2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * (C) 2002 Ximian, Inc.
20 #ifdef HAVE_SYS_TIME_H
24 #ifdef PLATFORM_MACOSX
25 #include <mach/mach.h>
26 #include <mach/mach_error.h>
27 #include <mach/exception.h>
28 #include <mach/task.h>
32 #ifdef HAVE_VALGRIND_MEMCHECK_H
33 #include <valgrind/memcheck.h>
36 #include <mono/metadata/assembly.h>
37 #include <mono/metadata/loader.h>
38 #include <mono/metadata/tabledefs.h>
39 #include <mono/metadata/class.h>
40 #include <mono/metadata/object.h>
41 #include <mono/metadata/tokentype.h>
42 #include <mono/metadata/tabledefs.h>
43 #include <mono/metadata/threads.h>
44 #include <mono/metadata/appdomain.h>
45 #include <mono/metadata/debug-helpers.h>
46 #include <mono/io-layer/io-layer.h>
47 #include "mono/metadata/profiler.h"
48 #include <mono/metadata/profiler-private.h>
49 #include <mono/metadata/mono-config.h>
50 #include <mono/metadata/environment.h>
51 #include <mono/metadata/mono-debug.h>
52 #include <mono/metadata/gc-internal.h>
53 #include <mono/metadata/threads-types.h>
54 #include <mono/metadata/verify.h>
55 #include <mono/metadata/verify-internals.h>
56 #include <mono/metadata/mempool-internals.h>
57 #include <mono/metadata/attach.h>
58 #include <mono/utils/mono-math.h>
59 #include <mono/utils/mono-compiler.h>
60 #include <mono/utils/mono-counters.h>
61 #include <mono/utils/mono-logger.h>
62 #include <mono/utils/mono-mmap.h>
63 #include <mono/utils/dtrace.h>
71 #include "jit-icalls.h"
73 #include "debug-mini.h"
75 static void setup_stat_profiler (void);
76 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt);
77 static gpointer mono_jit_compile_method (MonoMethod *method);
79 /* helper methods signature */
80 /* FIXME: Make these static again */
81 MonoMethodSignature *helper_sig_class_init_trampoline = NULL;
82 MonoMethodSignature *helper_sig_domain_get = NULL;
83 MonoMethodSignature *helper_sig_generic_class_init_trampoline = NULL;
84 MonoMethodSignature *helper_sig_rgctx_lazy_fetch_trampoline = NULL;
85 MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline = NULL;
87 static guint32 default_opt = 0;
88 static gboolean default_opt_set = FALSE;
90 guint32 mono_jit_tls_id = -1;
93 static __thread gpointer mono_jit_tls MONO_TLS_FAST;
96 MonoTraceSpec *mono_jit_trace_calls = NULL;
97 gboolean mono_break_on_exc = FALSE;
98 gboolean mono_compile_aot = FALSE;
99 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
100 gboolean mono_aot_only = FALSE;
101 /* Whenever to use IMT */
102 #ifdef MONO_ARCH_HAVE_IMT
103 gboolean mono_use_imt = TRUE;
105 gboolean mono_use_imt = FALSE;
107 MonoMethodDesc *mono_inject_async_exc_method = NULL;
108 int mono_inject_async_exc_pos;
109 MonoMethodDesc *mono_break_at_bb_method = NULL;
110 int mono_break_at_bb_bb_num;
111 gboolean mono_do_x86_stack_align = TRUE;
112 const char *mono_build_date;
114 static int mini_verbose = 0;
116 /* Enable xdebug mode. See aot-compiler.c for documentation */
117 static gboolean enable_xdebug = FALSE;
119 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
120 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
121 static CRITICAL_SECTION jit_mutex;
123 static MonoCodeManager *global_codeman = NULL;
125 /* FIXME: Make this static again */
126 GHashTable *jit_icall_name_hash = NULL;
128 static MonoDebugOptions debug_options;
130 #ifdef VALGRIND_JIT_REGISTER_MAP
131 static int valgrind_register = 0;
135 * Table written to by the debugger with a 1-based index into the
136 * mono_breakpoint_info table, which contains changes made to
137 * the JIT instructions by the debugger.
140 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
142 /* Whenever to check for pending exceptions in managed-to-native wrappers */
143 gboolean check_for_pending_exc = TRUE;
145 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
146 gboolean disable_vtypes_in_regs = FALSE;
148 gboolean mono_dont_free_global_codeman;
151 mono_running_on_valgrind (void)
153 #ifdef HAVE_VALGRIND_MEMCHECK_H
154 if (RUNNING_ON_VALGRIND){
155 #ifdef VALGRIND_JIT_REGISTER_MAP
156 valgrind_register = TRUE;
172 find_tramp (gpointer key, gpointer value, gpointer user_data)
174 FindTrampUserData *ud = (FindTrampUserData*)user_data;
177 ud->method = (MonoMethod*)key;
181 G_GNUC_UNUSED static char*
182 get_method_from_ip (void *ip)
187 MonoDomain *domain = mono_domain_get ();
188 MonoDebugSourceLocation *location;
189 FindTrampUserData user_data;
191 ji = mono_jit_info_table_find (domain, ip);
194 user_data.method = NULL;
195 mono_domain_lock (domain);
196 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
197 mono_domain_unlock (domain);
198 if (user_data.method) {
199 char *mname = mono_method_full_name (user_data.method, TRUE);
200 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
207 method = mono_method_full_name (ji->method, TRUE);
208 /* FIXME: unused ? */
209 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
211 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);
213 mono_debug_free_source_location (location);
221 * @ip: an instruction pointer address
223 * This method is used from a debugger to get the name of the
224 * method at address @ip. This routine is typically invoked from
225 * a debugger like this:
227 * (gdb) print mono_pmip ($pc)
229 * Returns: the name of the method at address @ip.
234 return get_method_from_ip (ip);
238 * mono_print_method_from_ip
239 * @ip: an instruction pointer address
241 * This method is used from a debugger to get the name of the
242 * method at address @ip.
244 * This prints the name of the method at address @ip in the standard
245 * output. Unlike mono_pmip which returns a string, this routine
246 * prints the value on the standard output.
249 mono_print_method_from_ip (void *ip)
253 MonoDebugSourceLocation *source;
254 MonoDomain *domain = mono_domain_get ();
255 FindTrampUserData user_data;
257 ji = mono_jit_info_table_find (domain, ip);
260 user_data.method = NULL;
261 mono_domain_lock (domain);
262 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
263 mono_domain_unlock (domain);
264 if (user_data.method) {
265 char *mname = mono_method_full_name (user_data.method, TRUE);
266 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
270 g_print ("No method at %p\n", ip);
273 method = mono_method_full_name (ji->method, TRUE);
274 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
276 g_print ("IP %p at offset 0x%x of method %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), method, ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
279 g_print ("%s:%d\n", source->source_file, source->row);
281 mono_debug_free_source_location (source);
286 * mono_method_same_domain:
288 * Determine whenever two compiled methods are in the same domain, thus
289 * the address of the callee can be embedded in the caller.
291 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
293 if (!caller || !callee)
297 * If the call was made from domain-neutral to domain-specific
298 * code, we can't patch the call site.
300 if (caller->domain_neutral && !callee->domain_neutral)
303 if ((caller->method->klass == mono_defaults.appdomain_class) &&
304 (strstr (caller->method->name, "InvokeInDomain"))) {
305 /* The InvokeInDomain methods change the current appdomain */
313 * mono_global_codeman_reserve:
315 * Allocate code memory from the global code manager.
317 void *mono_global_codeman_reserve (int size)
322 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
324 if (!global_codeman) {
325 /* This can happen during startup */
326 global_codeman = mono_code_manager_new ();
327 return mono_code_manager_reserve (global_codeman, size);
331 ptr = mono_code_manager_reserve (global_codeman, size);
338 * mono_emit_unwind_op:
340 * Add an unwind op with the given parameters for the list of unwind ops stored in
344 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
346 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
353 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
357 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
359 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
362 res->has_context = context != NULL;
364 memcpy (&res->context, context, sizeof (MonoGenericContext));
370 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
372 return mono_jump_info_token_new2 (mp, image, token, NULL);
375 #define MONO_INIT_VARINFO(vi,id) do { \
376 (vi)->range.first_use.pos.bid = 0xffff; \
382 * mono_unlink_bblock:
384 * Unlink two basic blocks.
387 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
393 for (i = 0; i < from->out_count; ++i) {
394 if (to == from->out_bb [i]) {
401 for (i = 0; i < from->out_count; ++i) {
402 if (from->out_bb [i] != to)
403 from->out_bb [pos ++] = from->out_bb [i];
405 g_assert (pos == from->out_count - 1);
410 for (i = 0; i < to->in_count; ++i) {
411 if (from == to->in_bb [i]) {
418 for (i = 0; i < to->in_count; ++i) {
419 if (to->in_bb [i] != from)
420 to->in_bb [pos ++] = to->in_bb [i];
422 g_assert (pos == to->in_count - 1);
428 * mono_bblocks_linked:
430 * Return whenever BB1 and BB2 are linked in the CFG.
433 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
437 for (i = 0; i < bb1->out_count; ++i) {
438 if (bb1->out_bb [i] == bb2)
446 mono_find_spvar_for_region (MonoCompile *cfg, int region)
448 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
452 mono_find_exvar_for_offset (MonoCompile *cfg, int offset)
454 return g_hash_table_lookup (cfg->exvars, GINT_TO_POINTER (offset));
458 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
462 array [*dfn] = start;
463 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
464 for (i = 0; i < start->out_count; ++i) {
465 if (start->out_bb [i]->dfn)
468 start->out_bb [i]->dfn = *dfn;
469 start->out_bb [i]->df_parent = start;
470 array [*dfn] = start->out_bb [i];
471 df_visit (start->out_bb [i], dfn, array);
476 mono_reverse_branch_op (guint32 opcode)
478 static const int reverse_map [] = {
479 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
480 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
482 static const int reverse_fmap [] = {
483 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
484 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
486 static const int reverse_lmap [] = {
487 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
488 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
490 static const int reverse_imap [] = {
491 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
492 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
495 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
496 opcode = reverse_map [opcode - CEE_BEQ];
497 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
498 opcode = reverse_fmap [opcode - OP_FBEQ];
499 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
500 opcode = reverse_lmap [opcode - OP_LBEQ];
501 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
502 opcode = reverse_imap [opcode - OP_IBEQ];
504 g_assert_not_reached ();
510 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
513 return OP_STORE_MEMBASE_REG;
516 switch (type->type) {
519 case MONO_TYPE_BOOLEAN:
520 return OP_STOREI1_MEMBASE_REG;
524 return OP_STOREI2_MEMBASE_REG;
527 return OP_STOREI4_MEMBASE_REG;
531 case MONO_TYPE_FNPTR:
532 return OP_STORE_MEMBASE_REG;
533 case MONO_TYPE_CLASS:
534 case MONO_TYPE_STRING:
535 case MONO_TYPE_OBJECT:
536 case MONO_TYPE_SZARRAY:
537 case MONO_TYPE_ARRAY:
538 return OP_STORE_MEMBASE_REG;
541 return OP_STOREI8_MEMBASE_REG;
543 return OP_STORER4_MEMBASE_REG;
545 return OP_STORER8_MEMBASE_REG;
546 case MONO_TYPE_VALUETYPE:
547 if (type->data.klass->enumtype) {
548 type = type->data.klass->enum_basetype;
551 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
552 return OP_STOREX_MEMBASE;
553 return OP_STOREV_MEMBASE;
554 case MONO_TYPE_TYPEDBYREF:
555 return OP_STOREV_MEMBASE;
556 case MONO_TYPE_GENERICINST:
557 type = &type->data.generic_class->container_class->byval_arg;
561 /* FIXME: all the arguments must be references for now,
562 * later look inside cfg and see if the arg num is
565 g_assert (cfg->generic_sharing_context);
566 return OP_STORE_MEMBASE_REG;
568 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
574 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
577 return OP_LOAD_MEMBASE;
579 switch (mono_type_get_underlying_type (type)->type) {
581 return OP_LOADI1_MEMBASE;
583 case MONO_TYPE_BOOLEAN:
584 return OP_LOADU1_MEMBASE;
586 return OP_LOADI2_MEMBASE;
589 return OP_LOADU2_MEMBASE;
591 return OP_LOADI4_MEMBASE;
593 return OP_LOADU4_MEMBASE;
597 case MONO_TYPE_FNPTR:
598 return OP_LOAD_MEMBASE;
599 case MONO_TYPE_CLASS:
600 case MONO_TYPE_STRING:
601 case MONO_TYPE_OBJECT:
602 case MONO_TYPE_SZARRAY:
603 case MONO_TYPE_ARRAY:
604 return OP_LOAD_MEMBASE;
607 return OP_LOADI8_MEMBASE;
609 return OP_LOADR4_MEMBASE;
611 return OP_LOADR8_MEMBASE;
612 case MONO_TYPE_VALUETYPE:
613 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
614 return OP_LOADX_MEMBASE;
615 case MONO_TYPE_TYPEDBYREF:
616 return OP_LOADV_MEMBASE;
617 case MONO_TYPE_GENERICINST:
618 if (mono_type_generic_inst_is_valuetype (type))
619 return OP_LOADV_MEMBASE;
621 return OP_LOAD_MEMBASE;
625 /* FIXME: all the arguments must be references for now,
626 * later look inside cfg and see if the arg num is
629 g_assert (cfg->generic_sharing_context);
630 return OP_LOAD_MEMBASE;
632 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
638 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
640 if (cfg->generic_sharing_context && !type->byref) {
641 /* FIXME: all the arguments must be references for now,
642 * later look inside cfg and see if the arg num is
645 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
646 return CEE_LDIND_REF;
648 return mono_type_to_ldind (type);
652 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
654 if (cfg->generic_sharing_context && !type->byref) {
655 /* FIXME: all the arguments must be references for now,
656 * later look inside cfg and see if the arg num is
659 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
660 return CEE_STIND_REF;
662 return mono_type_to_stind (type);
666 mono_op_imm_to_op (int opcode)
670 #if SIZEOF_VOID_P == 4
686 #if SIZEOF_VOID_P == 4
724 #if SIZEOF_VOID_P == 4
730 #if SIZEOF_VOID_P == 4
749 case OP_ICOMPARE_IMM:
751 case OP_LOCALLOC_IMM:
754 printf ("%s\n", mono_inst_name (opcode));
755 g_assert_not_reached ();
761 * mono_decompose_op_imm:
763 * Replace the OP_.._IMM INS with its non IMM variant.
766 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
770 MONO_INST_NEW (cfg, temp, OP_ICONST);
771 temp->inst_c0 = ins->inst_imm;
772 temp->dreg = mono_alloc_ireg (cfg);
773 mono_bblock_insert_before_ins (bb, ins, temp);
774 ins->opcode = mono_op_imm_to_op (ins->opcode);
775 if (ins->opcode == OP_LOCALLOC)
776 ins->sreg1 = temp->dreg;
778 ins->sreg2 = temp->dreg;
780 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
784 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
786 if (vreg >= cfg->vreg_to_inst_len) {
787 MonoInst **tmp = cfg->vreg_to_inst;
788 int size = cfg->vreg_to_inst_len;
790 while (vreg >= cfg->vreg_to_inst_len)
791 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
792 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
794 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
796 cfg->vreg_to_inst [vreg] = inst;
799 #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)))
800 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
803 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
806 int num = cfg->num_varinfo;
809 if ((num + 1) >= cfg->varinfo_count) {
810 int orig_count = cfg->varinfo_count;
811 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
812 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
813 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
814 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
817 mono_jit_stats.allocate_var++;
819 MONO_INST_NEW (cfg, inst, opcode);
821 inst->inst_vtype = type;
822 inst->klass = mono_class_from_mono_type (type);
823 type_to_eval_stack_type (cfg, type, inst);
824 /* if set to 1 the variable is native */
825 inst->backend.is_pinvoke = 0;
828 cfg->varinfo [num] = inst;
830 MONO_INIT_VARINFO (&cfg->vars [num], num);
833 set_vreg_to_inst (cfg, vreg, inst);
835 #if SIZEOF_VOID_P == 4
836 #ifdef MONO_ARCH_SOFT_FLOAT
837 regpair = mono_type_is_long (type) || mono_type_is_float (type);
839 regpair = mono_type_is_long (type);
849 * These two cannot be allocated using create_var_for_vreg since that would
850 * put it into the cfg->varinfo array, confusing many parts of the JIT.
854 * Set flags to VOLATILE so SSA skips it.
857 if (cfg->verbose_level >= 4) {
858 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
861 #ifdef MONO_ARCH_SOFT_FLOAT
862 if (cfg->opt & MONO_OPT_SSA) {
863 if (mono_type_is_float (type))
864 inst->flags = MONO_INST_VOLATILE;
868 /* Allocate a dummy MonoInst for the first vreg */
869 MONO_INST_NEW (cfg, tree, OP_LOCAL);
870 tree->dreg = inst->dreg + 1;
871 if (cfg->opt & MONO_OPT_SSA)
872 tree->flags = MONO_INST_VOLATILE;
874 tree->type = STACK_I4;
875 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
876 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
878 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
880 /* Allocate a dummy MonoInst for the second vreg */
881 MONO_INST_NEW (cfg, tree, OP_LOCAL);
882 tree->dreg = inst->dreg + 2;
883 if (cfg->opt & MONO_OPT_SSA)
884 tree->flags = MONO_INST_VOLATILE;
886 tree->type = STACK_I4;
887 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
888 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
890 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
894 if (cfg->verbose_level > 2)
895 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
900 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
904 if (mono_type_is_long (type))
905 dreg = mono_alloc_dreg (cfg, STACK_I8);
906 #ifdef MONO_ARCH_SOFT_FLOAT
907 else if (mono_type_is_float (type))
908 dreg = mono_alloc_dreg (cfg, STACK_R8);
911 /* All the others are unified */
912 dreg = mono_alloc_preg (cfg);
914 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
918 * Transform a MonoInst into a load from the variable of index var_index.
921 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
922 memset (dest, 0, sizeof (MonoInst));
923 dest->ssa_op = MONO_SSA_LOAD;
924 dest->inst_i0 = cfg->varinfo [var_index];
925 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
926 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
927 dest->klass = dest->inst_i0->klass;
931 type_from_stack_type (MonoInst *ins) {
933 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
934 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
935 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
936 case STACK_R8: return &mono_defaults.double_class->byval_arg;
939 * this if used to be commented without any specific reason, but
940 * it breaks #80235 when commented
943 return &ins->klass->this_arg;
945 return &mono_defaults.object_class->this_arg;
947 /* ins->klass may not be set for ldnull.
948 * Also, if we have a boxed valuetype, we want an object lass,
949 * not the valuetype class
951 if (ins->klass && !ins->klass->valuetype)
952 return &ins->klass->byval_arg;
953 return &mono_defaults.object_class->byval_arg;
954 case STACK_VTYPE: return &ins->klass->byval_arg;
956 g_error ("stack type %d to montype not handled\n", ins->type);
962 mono_type_from_stack_type (MonoInst *ins) {
963 return type_from_stack_type (ins);
967 * mono_add_ins_to_end:
969 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
972 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
977 MONO_ADD_INS (bb, inst);
981 switch (bb->last_ins->opcode) {
995 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
998 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
999 /* Need to insert the ins before the compare */
1000 if (bb->code == bb->last_ins) {
1001 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1005 if (bb->code->next == bb->last_ins) {
1006 /* Only two instructions */
1007 opcode = bb->code->opcode;
1009 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)) {
1011 mono_bblock_insert_before_ins (bb, bb->code, inst);
1013 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1016 opcode = bb->last_ins->prev->opcode;
1018 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)) {
1020 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1022 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1027 MONO_ADD_INS (bb, inst);
1033 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1035 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1036 MonoJumpInfoBBTable *table;
1038 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1040 table->table_size = num_blocks;
1042 ji->ip.label = label;
1043 ji->type = MONO_PATCH_INFO_SWITCH;
1044 ji->data.table = table;
1045 ji->next = cfg->patch_info;
1046 cfg->patch_info = ji;
1049 static MonoMethodSignature *
1050 mono_get_array_new_va_signature (int arity)
1052 static GHashTable *sighash = NULL;
1053 MonoMethodSignature *res;
1058 sighash = g_hash_table_new (NULL, NULL);
1060 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1065 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1068 #ifdef MONO_ARCH_VARARG_ICALLS
1069 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1070 res->call_convention = MONO_CALL_VARARG;
1073 #ifdef PLATFORM_WIN32
1074 res->call_convention = MONO_CALL_C;
1077 res->params [0] = &mono_defaults.int_class->byval_arg;
1078 for (i = 0; i < arity; i++)
1079 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1081 res->ret = &mono_defaults.object_class->byval_arg;
1083 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1090 mono_get_array_new_va_icall (int rank)
1092 MonoMethodSignature *esig;
1093 char icall_name [256];
1095 MonoJitICallInfo *info;
1097 /* Need to register the icall so it gets an icall wrapper */
1098 sprintf (icall_name, "ves_array_new_va_%d", rank);
1101 info = mono_find_jit_icall_by_name (icall_name);
1103 esig = mono_get_array_new_va_signature (rank);
1104 name = g_strdup (icall_name);
1105 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1107 g_hash_table_insert (jit_icall_name_hash, name, name);
1115 mini_class_is_system_array (MonoClass *klass)
1117 if (klass->parent == mono_defaults.array_class)
1123 static MonoJitICallInfo **emul_opcode_map = NULL;
1126 mono_find_jit_opcode_emulation (int opcode)
1128 g_assert (opcode >= 0 && opcode <= OP_LAST);
1129 if (emul_opcode_map)
1130 return emul_opcode_map [opcode];
1136 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1138 MonoAssembly *assembly = method->klass->image->assembly;
1139 if (method->wrapper_type != MONO_WRAPPER_NONE)
1141 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1143 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1145 return mono_assembly_has_skip_verification (assembly);
1149 * mini_method_verify:
1151 * Verify the method using the new verfier.
1153 * Returns true if the method is invalid.
1156 mini_method_verify (MonoCompile *cfg, MonoMethod *method)
1159 gboolean is_fulltrust;
1160 MonoLoaderError *error;
1162 if (method->verification_success)
1165 is_fulltrust = mono_verifier_is_method_full_trust (method);
1167 if (!mono_verifier_is_enabled_for_method (method))
1170 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility);
1172 if ((error = mono_loader_get_last_error ())) {
1173 cfg->exception_type = error->exception_type;
1175 mono_free_verify_list (res);
1180 for (tmp = res; tmp; tmp = tmp->next) {
1181 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1182 if (info->info.status == MONO_VERIFY_ERROR) {
1183 cfg->exception_type = info->exception_type;
1184 cfg->exception_message = g_strdup (info->info.message);
1185 mono_free_verify_list (res);
1188 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && !is_fulltrust) {
1189 cfg->exception_type = info->exception_type;
1190 cfg->exception_message = g_strdup (info->info.message);
1191 mono_free_verify_list (res);
1195 mono_free_verify_list (res);
1197 method->verification_success = 1;
1202 create_helper_signature (void)
1204 helper_sig_domain_get = mono_create_icall_signature ("ptr");
1205 helper_sig_class_init_trampoline = mono_create_icall_signature ("void");
1206 helper_sig_generic_class_init_trampoline = mono_create_icall_signature ("void");
1207 helper_sig_rgctx_lazy_fetch_trampoline = mono_create_icall_signature ("ptr ptr");
1208 helper_sig_monitor_enter_exit_trampoline = mono_create_icall_signature ("void");
1211 static gconstpointer
1212 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1215 MonoMethod *wrapper;
1216 gconstpointer trampoline;
1217 MonoDomain *domain = mono_get_root_domain ();
1219 if (callinfo->wrapper) {
1220 return callinfo->wrapper;
1223 if (callinfo->trampoline)
1224 return callinfo->trampoline;
1227 * We use the lock on the root domain instead of the JIT lock to protect
1228 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1230 mono_domain_lock (domain);
1232 if (callinfo->trampoline) {
1233 mono_domain_unlock (domain);
1234 return callinfo->trampoline;
1237 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1238 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1242 trampoline = mono_compile_method (wrapper);
1244 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1245 mono_register_jit_icall_wrapper (callinfo, trampoline);
1247 callinfo->trampoline = trampoline;
1249 mono_domain_unlock (domain);
1251 return callinfo->trampoline;
1255 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1257 return mono_icall_get_wrapper_full (callinfo, FALSE);
1261 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1263 if (!domain_jit_info (domain)->dynamic_code_hash)
1264 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1265 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1268 static MonoJitDynamicMethodInfo*
1269 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1271 MonoJitDynamicMethodInfo *res;
1273 if (domain_jit_info (domain)->dynamic_code_hash)
1274 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1282 GList *active, *inactive;
1287 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1289 MonoMethodVar *v1 = (MonoMethodVar*)a;
1290 MonoMethodVar *v2 = (MonoMethodVar*)b;
1294 else if (v1->interval->range && v2->interval->range)
1295 return v1->interval->range->from - v2->interval->range->from;
1296 else if (v1->interval->range)
1305 #define LSCAN_DEBUG(a) do { a; } while (0)
1307 #define LSCAN_DEBUG(a)
1311 mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1313 int i, slot, offset, size;
1318 GList *vars = NULL, *l, *unhandled;
1319 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1323 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1325 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1326 vtype_stack_slots = NULL;
1329 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1330 for (i = 0; i < cfg->num_varinfo; ++i)
1333 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1334 inst = cfg->varinfo [i];
1335 vmv = MONO_VARINFO (cfg, i);
1337 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1340 vars = g_list_prepend (vars, vmv);
1343 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1348 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1349 MonoMethodVar *current = unhandled->data;
1351 if (current->interval->range) {
1352 g_assert (current->interval->range->from >= i);
1353 i = current->interval->range->from;
1360 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1361 MonoMethodVar *current = unhandled->data;
1364 inst = cfg->varinfo [vmv->idx];
1366 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1367 * pinvoke wrappers when they call functions returning structures */
1368 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF)
1369 size = mono_class_native_size (inst->inst_vtype->data.klass, &align);
1373 size = mono_type_size (inst->inst_vtype, &ialign);
1377 t = mono_type_get_underlying_type (inst->inst_vtype);
1379 case MONO_TYPE_GENERICINST:
1380 if (!mono_type_generic_inst_is_valuetype (t)) {
1381 slot_info = &scalar_stack_slots [t->type];
1385 case MONO_TYPE_VALUETYPE:
1386 if (!vtype_stack_slots)
1387 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1388 for (i = 0; i < nvtypes; ++i)
1389 if (t->data.klass == vtype_stack_slots [i].vtype)
1392 slot_info = &vtype_stack_slots [i];
1394 g_assert (nvtypes < 256);
1395 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1396 slot_info = &vtype_stack_slots [nvtypes];
1400 case MONO_TYPE_CLASS:
1401 case MONO_TYPE_OBJECT:
1402 case MONO_TYPE_ARRAY:
1403 case MONO_TYPE_SZARRAY:
1404 case MONO_TYPE_STRING:
1408 #if SIZEOF_VOID_P == 4
1412 /* Share non-float stack slots of the same size */
1413 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1417 slot_info = &scalar_stack_slots [t->type];
1421 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1425 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1427 if (!current->interval->range) {
1428 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1432 inst->flags |= MONO_INST_IS_DEAD;
1437 pos = current->interval->range->from;
1439 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1440 if (current->interval->range)
1441 LSCAN_DEBUG (mono_linterval_print (current->interval));
1442 LSCAN_DEBUG (printf ("\n"));
1444 /* Check for intervals in active which expired or inactive */
1446 /* FIXME: Optimize this */
1449 for (l = slot_info->active; l != NULL; l = l->next) {
1450 MonoMethodVar *v = (MonoMethodVar*)l->data;
1452 if (v->interval->last_range->to < pos) {
1453 slot_info->active = g_list_delete_link (slot_info->active, l);
1454 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1455 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1459 else if (!mono_linterval_covers (v->interval, pos)) {
1460 slot_info->inactive = g_list_append (slot_info->inactive, v);
1461 slot_info->active = g_list_delete_link (slot_info->active, l);
1462 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1469 /* Check for intervals in inactive which expired or active */
1471 /* FIXME: Optimize this */
1474 for (l = slot_info->inactive; l != NULL; l = l->next) {
1475 MonoMethodVar *v = (MonoMethodVar*)l->data;
1477 if (v->interval->last_range->to < pos) {
1478 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1479 // FIXME: Enabling this seems to cause impossible to debug crashes
1480 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1481 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1485 else if (mono_linterval_covers (v->interval, pos)) {
1486 slot_info->active = g_list_append (slot_info->active, v);
1487 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1488 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1496 * This also handles the case when the variable is used in an
1497 * exception region, as liveness info is not computed there.
1500 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1503 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1504 if (slot_info->slots) {
1505 slot = GPOINTER_TO_INT (slot_info->slots->data);
1507 slot_info->slots = slot_info->slots->next;
1510 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1512 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1518 static int count = 0;
1521 if (count == atoi (getenv ("COUNT3")))
1522 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1523 if (count > atoi (getenv ("COUNT3")))
1526 mono_print_ins (inst);
1531 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1533 if (slot == 0xffffff) {
1535 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1536 * efficient copying (and to work around the fact that OP_MEMCPY
1537 * and OP_MEMSET ignores alignment).
1539 if (MONO_TYPE_ISSTRUCT (t))
1540 align = MAX (sizeof (gpointer), mono_class_min_align (mono_class_from_mono_type (t)));
1544 offset += align - 1;
1545 offset &= ~(align - 1);
1549 offset += align - 1;
1550 offset &= ~(align - 1);
1555 if (*stack_align == 0)
1556 *stack_align = align;
1559 offsets [vmv->idx] = slot;
1562 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1563 if (scalar_stack_slots [i].active)
1564 g_list_free (scalar_stack_slots [i].active);
1566 for (i = 0; i < nvtypes; ++i) {
1567 if (vtype_stack_slots [i].active)
1568 g_list_free (vtype_stack_slots [i].active);
1571 mono_jit_stats.locals_stack_size += offset;
1573 *stack_size = offset;
1578 * mono_allocate_stack_slots_full:
1580 * Allocate stack slots for all non register allocated variables using a
1581 * linear scan algorithm.
1582 * Returns: an array of stack offsets.
1583 * STACK_SIZE is set to the amount of stack space needed.
1584 * STACK_ALIGN is set to the alignment needed by the locals area.
1587 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1589 int i, slot, offset, size;
1594 GList *vars = NULL, *l;
1595 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1599 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1600 return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
1602 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1603 vtype_stack_slots = NULL;
1606 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1607 for (i = 0; i < cfg->num_varinfo; ++i)
1610 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1611 inst = cfg->varinfo [i];
1612 vmv = MONO_VARINFO (cfg, i);
1614 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1617 vars = g_list_prepend (vars, vmv);
1620 vars = mono_varlist_sort (cfg, vars, 0);
1622 *stack_align = sizeof (gpointer);
1623 for (l = vars; l; l = l->next) {
1625 inst = cfg->varinfo [vmv->idx];
1627 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1628 * pinvoke wrappers when they call functions returning structures */
1629 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF)
1630 size = mono_class_native_size (inst->inst_vtype->data.klass, &align);
1634 size = mono_type_size (inst->inst_vtype, &ialign);
1638 t = mono_type_get_underlying_type (inst->inst_vtype);
1640 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1643 case MONO_TYPE_GENERICINST:
1644 if (!mono_type_generic_inst_is_valuetype (t)) {
1645 slot_info = &scalar_stack_slots [t->type];
1649 case MONO_TYPE_VALUETYPE:
1650 if (!vtype_stack_slots)
1651 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1652 for (i = 0; i < nvtypes; ++i)
1653 if (t->data.klass == vtype_stack_slots [i].vtype)
1656 slot_info = &vtype_stack_slots [i];
1658 g_assert (nvtypes < 256);
1659 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1660 slot_info = &vtype_stack_slots [nvtypes];
1664 case MONO_TYPE_CLASS:
1665 case MONO_TYPE_OBJECT:
1666 case MONO_TYPE_ARRAY:
1667 case MONO_TYPE_SZARRAY:
1668 case MONO_TYPE_STRING:
1672 #if SIZEOF_VOID_P == 4
1677 /* Share non-float stack slots of the same size */
1678 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1681 slot_info = &scalar_stack_slots [t->type];
1686 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1687 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1689 /* expire old intervals in active */
1690 while (slot_info->active) {
1691 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
1693 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
1696 //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);
1698 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
1699 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
1703 * This also handles the case when the variable is used in an
1704 * exception region, as liveness info is not computed there.
1707 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1710 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1711 if (slot_info->slots) {
1712 slot = GPOINTER_TO_INT (slot_info->slots->data);
1714 slot_info->slots = slot_info->slots->next;
1717 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1722 static int count = 0;
1726 if (count == atoi (getenv ("COUNT")))
1727 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1728 if (count > atoi (getenv ("COUNT")))
1731 mono_print_ins (inst);
1736 if (cfg->disable_reuse_stack_slots)
1739 if (slot == 0xffffff) {
1741 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1742 * efficient copying (and to work around the fact that OP_MEMCPY
1743 * and OP_MEMSET ignores alignment).
1745 if (MONO_TYPE_ISSTRUCT (t)) {
1746 align = MAX (sizeof (gpointer), mono_class_min_align (mono_class_from_mono_type (t)));
1748 * Align the size too so the code generated for passing vtypes in
1749 * registers doesn't overwrite random locals.
1751 size = (size + (align - 1)) & ~(align -1);
1756 offset += align - 1;
1757 offset &= ~(align - 1);
1761 offset += align - 1;
1762 offset &= ~(align - 1);
1767 *stack_align = MAX (*stack_align, align);
1770 offsets [vmv->idx] = slot;
1773 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1774 if (scalar_stack_slots [i].active)
1775 g_list_free (scalar_stack_slots [i].active);
1777 for (i = 0; i < nvtypes; ++i) {
1778 if (vtype_stack_slots [i].active)
1779 g_list_free (vtype_stack_slots [i].active);
1782 mono_jit_stats.locals_stack_size += offset;
1784 *stack_size = offset;
1789 mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align)
1791 return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align);
1797 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1799 g_assert_not_reached ();
1803 #endif /* DISABLE_JIT */
1806 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
1808 MonoJitICallInfo *info;
1809 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
1811 if (!emul_opcode_map)
1812 emul_opcode_map = g_new0 (MonoJitICallInfo*, OP_LAST + 1);
1814 g_assert (!sig->hasthis);
1815 g_assert (sig->param_count < 3);
1817 info = mono_register_jit_icall (func, name, sig, no_throw);
1819 emul_opcode_map [opcode] = info;
1823 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
1825 MonoMethodSignature *sig;
1828 sig = mono_create_icall_signature (sigstr);
1832 mono_register_jit_icall (func, name, sig, save);
1836 print_dfn (MonoCompile *cfg) {
1842 g_print ("IR code for method %s\n", mono_method_full_name (cfg->method, TRUE));
1844 for (i = 0; i < cfg->num_bblocks; ++i) {
1845 bb = cfg->bblocks [i];
1846 /*if (bb->cil_code) {
1847 char* code1, *code2;
1848 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
1849 if (bb->last_ins->cil_code)
1850 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
1852 code2 = g_strdup ("");
1854 code1 [strlen (code1) - 1] = 0;
1855 code = g_strdup_printf ("%s -> %s", code1, code2);
1859 code = g_strdup ("\n");
1860 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
1861 MONO_BB_FOR_EACH_INS (bb, c) {
1862 mono_print_ins_index (-1, c);
1865 g_print ("\tprev:");
1866 for (j = 0; j < bb->in_count; ++j) {
1867 g_print (" BB%d", bb->in_bb [j]->block_num);
1869 g_print ("\t\tsucc:");
1870 for (j = 0; j < bb->out_count; ++j) {
1871 g_print (" BB%d", bb->out_bb [j]->block_num);
1873 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
1876 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
1879 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
1881 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
1889 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
1891 MONO_ADD_INS (bb, inst);
1895 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
1899 bb->code = ins_to_insert;
1901 /* Link with next */
1902 ins_to_insert->next = ins;
1904 ins->prev = ins_to_insert;
1906 if (bb->last_ins == NULL)
1907 bb->last_ins = ins_to_insert;
1909 /* Link with next */
1910 ins_to_insert->next = ins->next;
1912 ins->next->prev = ins_to_insert;
1914 /* Link with previous */
1915 ins->next = ins_to_insert;
1916 ins_to_insert->prev = ins;
1918 if (bb->last_ins == ins)
1919 bb->last_ins = ins_to_insert;
1924 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
1928 bb->code = ins_to_insert;
1929 ins_to_insert->next = ins;
1930 if (bb->last_ins == NULL)
1931 bb->last_ins = ins_to_insert;
1933 /* Link with previous */
1935 ins->prev->next = ins_to_insert;
1936 ins_to_insert->prev = ins->prev;
1938 /* Link with next */
1939 ins->prev = ins_to_insert;
1940 ins_to_insert->next = ins;
1942 if (bb->code == ins)
1943 bb->code = ins_to_insert;
1948 * mono_verify_bblock:
1950 * Verify that the next and prev pointers are consistent inside the instructions in BB.
1953 mono_verify_bblock (MonoBasicBlock *bb)
1955 MonoInst *ins, *prev;
1958 for (ins = bb->code; ins; ins = ins->next) {
1959 g_assert (ins->prev == prev);
1963 g_assert (!bb->last_ins->next);
1969 * Perform consistency checks on the JIT data structures and the IR
1972 mono_verify_cfg (MonoCompile *cfg)
1976 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
1977 mono_verify_bblock (bb);
1981 mono_destroy_compile (MonoCompile *cfg)
1983 //mono_mempool_stats (cfg->mempool);
1984 mono_free_loop_info (cfg);
1986 mono_regstate_free (cfg->rs);
1988 g_hash_table_destroy (cfg->spvars);
1990 g_hash_table_destroy (cfg->exvars);
1991 mono_mempool_destroy (cfg->mempool);
1992 g_list_free (cfg->ldstr_list);
1993 g_hash_table_destroy (cfg->token_info_hash);
1994 if (cfg->abs_patches)
1995 g_hash_table_destroy (cfg->abs_patches);
1997 g_free (cfg->varinfo);
1999 g_free (cfg->exception_message);
2003 #ifdef HAVE_KW_THREAD
2004 static __thread gpointer mono_lmf_addr MONO_TLS_FAST;
2005 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2007 * When this is defined, the current lmf is stored in this tls variable instead of in
2010 static __thread gpointer mono_lmf MONO_TLS_FAST;
2015 mono_get_jit_tls_key (void)
2017 return mono_jit_tls_id;
2021 mono_get_jit_tls_offset (void)
2023 #ifdef HAVE_KW_THREAD
2025 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2033 mono_get_lmf_tls_offset (void)
2035 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2037 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2045 mono_get_lmf_addr_tls_offset (void)
2048 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2055 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2058 MonoJitTlsData *jit_tls;
2060 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2061 return jit_tls->lmf;
2063 g_assert_not_reached ();
2069 mono_get_lmf_addr (void)
2071 #ifdef HAVE_KW_THREAD
2072 return mono_lmf_addr;
2074 MonoJitTlsData *jit_tls;
2076 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2077 return &jit_tls->lmf;
2079 g_assert_not_reached ();
2084 /* Called by native->managed wrappers */
2086 mono_jit_thread_attach (MonoDomain *domain)
2088 #ifdef HAVE_KW_THREAD
2089 if (!mono_lmf_addr) {
2090 mono_thread_attach (domain);
2093 if (!TlsGetValue (mono_jit_tls_id))
2094 mono_thread_attach (domain);
2096 if (mono_domain_get () != domain)
2097 mono_domain_set (domain, TRUE);
2101 * mono_thread_abort:
2102 * @obj: exception object
2104 * abort the thread, print exception information and stack trace
2107 mono_thread_abort (MonoObject *obj)
2109 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2111 /* handle_remove should be eventually called for this thread, too
2114 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2115 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2116 mono_thread_exit ();
2118 exit (mono_environment_exitcode_get ());
2123 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2125 MonoJitTlsData *jit_tls;
2128 jit_tls = TlsGetValue (mono_jit_tls_id);
2132 jit_tls = g_new0 (MonoJitTlsData, 1);
2134 TlsSetValue (mono_jit_tls_id, jit_tls);
2136 #ifdef HAVE_KW_THREAD
2137 mono_jit_tls = jit_tls;
2140 jit_tls->abort_func = abort_func;
2141 jit_tls->end_of_stack = stack_start;
2143 lmf = g_new0 (MonoLMF, 1);
2144 #ifdef MONO_ARCH_INIT_TOP_LMF_ENTRY
2145 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2150 jit_tls->first_lmf = lmf;
2152 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2153 /* jit_tls->lmf is unused */
2155 mono_lmf_addr = &mono_lmf;
2157 #if defined(HAVE_KW_THREAD)
2158 mono_lmf_addr = &jit_tls->lmf;
2164 mono_arch_setup_jit_tls_data (jit_tls);
2165 mono_setup_altstack (jit_tls);
2171 mono_thread_start_cb (gsize tid, gpointer stack_start, gpointer func)
2174 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2175 thread = mono_thread_current ();
2176 mono_debugger_thread_created (tid, thread, jit_tls);
2178 thread->jit_data = jit_tls;
2181 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2184 mono_thread_abort_dummy (MonoObject *obj)
2186 if (mono_thread_attach_aborted_cb)
2187 mono_thread_attach_aborted_cb (obj);
2189 mono_thread_abort (obj);
2193 mono_thread_attach_cb (gsize tid, gpointer stack_start)
2196 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2197 thread = mono_thread_current ();
2198 mono_debugger_thread_created (tid, thread, (MonoJitTlsData *) jit_tls);
2200 thread->jit_data = jit_tls;
2201 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2202 setup_stat_profiler ();
2206 mini_thread_cleanup (MonoThread *thread)
2208 MonoJitTlsData *jit_tls = thread->jit_data;
2211 mono_debugger_thread_cleanup (jit_tls);
2212 mono_arch_free_jit_tls_data (jit_tls);
2214 mono_free_altstack (jit_tls);
2215 g_free (jit_tls->first_lmf);
2217 thread->jit_data = NULL;
2218 TlsSetValue (mono_jit_tls_id, NULL);
2223 mono_create_tls_get (MonoCompile *cfg, int offset)
2225 #ifdef MONO_ARCH_HAVE_TLS_GET
2231 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2232 ins->dreg = mono_alloc_preg (cfg);
2233 ins->inst_offset = offset;
2241 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2243 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2247 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2249 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2253 ji->data.target = target;
2254 ji->next = cfg->patch_info;
2256 cfg->patch_info = ji;
2260 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2262 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2266 ji->data.target = target;
2273 mono_remove_patch_info (MonoCompile *cfg, int ip)
2275 MonoJumpInfo **ji = &cfg->patch_info;
2278 if ((*ji)->ip.i == ip)
2281 ji = &((*ji)->next);
2286 * mono_patch_info_dup_mp:
2288 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2291 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2293 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2294 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2296 switch (patch_info->type) {
2297 case MONO_PATCH_INFO_RVA:
2298 case MONO_PATCH_INFO_LDSTR:
2299 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2300 case MONO_PATCH_INFO_LDTOKEN:
2301 case MONO_PATCH_INFO_DECLSEC:
2302 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2303 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2305 case MONO_PATCH_INFO_SWITCH:
2306 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2307 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2309 case MONO_PATCH_INFO_RGCTX_FETCH:
2310 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2311 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2312 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2322 mono_patch_info_hash (gconstpointer data)
2324 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2327 case MONO_PATCH_INFO_RVA:
2328 case MONO_PATCH_INFO_LDSTR:
2329 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2330 case MONO_PATCH_INFO_LDTOKEN:
2331 case MONO_PATCH_INFO_DECLSEC:
2332 return (ji->type << 8) | ji->data.token->token;
2333 case MONO_PATCH_INFO_VTABLE:
2334 case MONO_PATCH_INFO_CLASS:
2335 case MONO_PATCH_INFO_IID:
2336 case MONO_PATCH_INFO_ADJUSTED_IID:
2337 case MONO_PATCH_INFO_CLASS_INIT:
2338 case MONO_PATCH_INFO_METHODCONST:
2339 case MONO_PATCH_INFO_METHOD:
2340 case MONO_PATCH_INFO_METHOD_JUMP:
2341 case MONO_PATCH_INFO_IMAGE:
2342 case MONO_PATCH_INFO_INTERNAL_METHOD:
2343 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2344 case MONO_PATCH_INFO_FIELD:
2345 case MONO_PATCH_INFO_SFLDA:
2346 return (ji->type << 8) | (gssize)ji->data.target;
2348 return (ji->type << 8);
2353 * mono_patch_info_equal:
2355 * This might fail to recognize equivalent patches, i.e. floats, so its only
2356 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2360 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2362 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2363 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2365 if (ji1->type != ji2->type)
2368 switch (ji1->type) {
2369 case MONO_PATCH_INFO_RVA:
2370 case MONO_PATCH_INFO_LDSTR:
2371 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2372 case MONO_PATCH_INFO_LDTOKEN:
2373 case MONO_PATCH_INFO_DECLSEC:
2374 if ((ji1->data.token->image != ji2->data.token->image) ||
2375 (ji1->data.token->token != ji2->data.token->token) ||
2376 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2377 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2378 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2382 if (ji1->data.target != ji2->data.target)
2391 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2393 unsigned char *ip = patch_info->ip.i + code;
2394 gconstpointer target = NULL;
2396 switch (patch_info->type) {
2397 case MONO_PATCH_INFO_BB:
2398 g_assert (patch_info->data.bb->native_offset);
2399 target = patch_info->data.bb->native_offset + code;
2401 case MONO_PATCH_INFO_ABS:
2402 target = patch_info->data.target;
2404 case MONO_PATCH_INFO_LABEL:
2405 target = patch_info->data.inst->inst_c0 + code;
2407 case MONO_PATCH_INFO_IP:
2410 case MONO_PATCH_INFO_METHOD_REL:
2411 target = code + patch_info->data.offset;
2413 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2414 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2416 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2417 g_assert_not_reached ();
2419 target = mono_icall_get_wrapper (mi);
2422 case MONO_PATCH_INFO_METHOD_JUMP:
2423 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2425 case MONO_PATCH_INFO_METHOD:
2426 if (patch_info->data.method == method) {
2429 /* get the trampoline to the method from the domain */
2430 if (method && method->wrapper_type == MONO_WRAPPER_STATIC_RGCTX_INVOKE) {
2431 target = mono_create_jit_trampoline_in_domain (mono_domain_get (),
2432 patch_info->data.method);
2434 target = mono_create_jit_trampoline (patch_info->data.method);
2438 case MONO_PATCH_INFO_SWITCH: {
2439 gpointer *jump_table;
2442 if (method && method->dynamic) {
2443 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2445 mono_domain_lock (domain);
2447 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2449 jump_table = mono_code_manager_reserve (domain->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2450 mono_domain_unlock (domain);
2453 for (i = 0; i < patch_info->data.table->table_size; i++)
2454 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2455 target = jump_table;
2458 case MONO_PATCH_INFO_METHODCONST:
2459 case MONO_PATCH_INFO_CLASS:
2460 case MONO_PATCH_INFO_IMAGE:
2461 case MONO_PATCH_INFO_FIELD:
2462 target = patch_info->data.target;
2464 case MONO_PATCH_INFO_IID:
2465 mono_class_init (patch_info->data.klass);
2466 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
2468 case MONO_PATCH_INFO_ADJUSTED_IID:
2469 mono_class_init (patch_info->data.klass);
2470 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
2472 case MONO_PATCH_INFO_VTABLE:
2473 target = mono_class_vtable (domain, patch_info->data.klass);
2476 case MONO_PATCH_INFO_CLASS_INIT: {
2477 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
2480 target = mono_create_class_init_trampoline (vtable);
2483 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
2484 target = mono_create_delegate_trampoline (patch_info->data.klass);
2486 case MONO_PATCH_INFO_SFLDA: {
2487 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
2490 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
2491 /* Done by the generated code */
2495 mono_runtime_class_init (vtable);
2497 target = (char*)vtable->data + patch_info->data.field->offset;
2500 case MONO_PATCH_INFO_RVA: {
2501 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
2504 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
2505 target = mono_image_rva_map (patch_info->data.token->image, rva);
2508 case MONO_PATCH_INFO_R4:
2509 case MONO_PATCH_INFO_R8:
2510 target = patch_info->data.target;
2512 case MONO_PATCH_INFO_EXC_NAME:
2513 target = patch_info->data.name;
2515 case MONO_PATCH_INFO_LDSTR:
2517 mono_ldstr (domain, patch_info->data.token->image,
2518 mono_metadata_token_index (patch_info->data.token->token));
2520 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
2522 MonoClass *handle_class;
2524 handle = mono_ldtoken (patch_info->data.token->image,
2525 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
2526 mono_class_init (handle_class);
2527 mono_class_init (mono_class_from_mono_type (handle));
2530 mono_type_get_object (domain, handle);
2533 case MONO_PATCH_INFO_LDTOKEN: {
2535 MonoClass *handle_class;
2537 handle = mono_ldtoken (patch_info->data.token->image,
2538 patch_info->data.token->token, &handle_class, NULL);
2539 mono_class_init (handle_class);
2544 case MONO_PATCH_INFO_DECLSEC:
2545 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
2547 case MONO_PATCH_INFO_ICALL_ADDR:
2548 target = mono_lookup_internal_call (patch_info->data.method);
2549 /* run_cctors == 0 -> AOT */
2550 if (!target && run_cctors)
2551 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
2553 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
2554 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2556 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
2557 g_assert_not_reached ();
2562 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
2563 target = mono_thread_interruption_request_flag ();
2565 case MONO_PATCH_INFO_METHOD_RGCTX:
2566 target = mono_method_lookup_rgctx (mono_class_vtable (domain, patch_info->data.method->klass), mini_method_get_context (patch_info->data.method)->method_inst);
2568 case MONO_PATCH_INFO_BB_OVF:
2569 case MONO_PATCH_INFO_EXC_OVF:
2570 case MONO_PATCH_INFO_GOT_OFFSET:
2571 case MONO_PATCH_INFO_NONE:
2573 case MONO_PATCH_INFO_RGCTX_FETCH: {
2574 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
2577 switch (entry->data->type) {
2578 case MONO_PATCH_INFO_CLASS:
2579 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method));
2581 case MONO_PATCH_INFO_METHOD:
2582 case MONO_PATCH_INFO_METHODCONST:
2583 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method));
2585 case MONO_PATCH_INFO_FIELD:
2586 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method));
2589 g_assert_not_reached ();
2593 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
2596 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
2597 target = mono_create_generic_class_init_trampoline ();
2599 case MONO_PATCH_INFO_MONITOR_ENTER:
2600 target = mono_create_monitor_enter_trampoline ();
2602 case MONO_PATCH_INFO_MONITOR_EXIT:
2603 target = mono_create_monitor_exit_trampoline ();
2606 g_assert_not_reached ();
2609 return (gpointer)target;
2613 mono_compile_create_vars (MonoCompile *cfg)
2615 MonoMethodSignature *sig;
2616 MonoMethodHeader *header;
2619 header = mono_method_get_header (cfg->method);
2621 sig = mono_method_signature (cfg->method);
2623 if (!MONO_TYPE_IS_VOID (sig->ret)) {
2624 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
2625 /* Inhibit optimizations */
2626 cfg->ret->flags |= MONO_INST_VOLATILE;
2628 if (cfg->verbose_level > 2)
2629 g_print ("creating vars\n");
2631 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
2634 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
2636 for (i = 0; i < sig->param_count; ++i) {
2637 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
2640 if (cfg->verbose_level > 2) {
2642 printf ("\treturn : ");
2643 mono_print_ins (cfg->ret);
2647 printf ("\tthis: ");
2648 mono_print_ins (cfg->args [0]);
2651 for (i = 0; i < sig->param_count; ++i) {
2652 printf ("\targ [%d]: ", i);
2653 mono_print_ins (cfg->args [i + sig->hasthis]);
2657 cfg->locals_start = cfg->num_varinfo;
2658 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
2660 if (cfg->verbose_level > 2)
2661 g_print ("creating locals\n");
2663 for (i = 0; i < header->num_locals; ++i)
2664 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
2666 if (cfg->verbose_level > 2)
2667 g_print ("locals done\n");
2669 mono_arch_create_vars (cfg);
2673 mono_print_code (MonoCompile *cfg, const char* msg)
2677 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2678 mono_print_bb (bb, msg);
2684 mono_codegen (MonoCompile *cfg)
2686 MonoJumpInfo *patch_info;
2688 int i, max_epilog_size;
2691 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
2692 cfg->spill_count = 0;
2693 /* we reuse dfn here */
2694 /* bb->dfn = bb_count++; */
2696 mono_arch_lowering_pass (cfg, bb);
2698 if (cfg->opt & MONO_OPT_PEEPHOLE)
2699 mono_arch_peephole_pass_1 (cfg, bb);
2702 mono_local_regalloc (cfg, bb);
2704 if (cfg->opt & MONO_OPT_PEEPHOLE)
2705 mono_arch_peephole_pass_2 (cfg, bb);
2708 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
2709 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
2711 code = mono_arch_emit_prolog (cfg);
2713 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
2714 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
2716 cfg->code_len = code - cfg->native_code;
2717 cfg->prolog_end = cfg->code_len;
2719 mono_debug_open_method (cfg);
2721 /* emit code all basic blocks */
2722 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
2723 bb->native_offset = cfg->code_len;
2724 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
2725 mono_arch_output_basic_block (cfg, bb);
2727 if (bb == cfg->bb_exit) {
2728 cfg->epilog_begin = cfg->code_len;
2730 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
2731 code = cfg->native_code + cfg->code_len;
2732 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
2733 cfg->code_len = code - cfg->native_code;
2734 g_assert (cfg->code_len < cfg->code_size);
2737 mono_arch_emit_epilog (cfg);
2741 mono_arch_emit_exceptions (cfg);
2743 max_epilog_size = 0;
2745 code = cfg->native_code + cfg->code_len;
2747 /* we always allocate code in cfg->domain->code_mp to increase locality */
2748 cfg->code_size = cfg->code_len + max_epilog_size;
2749 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
2751 if (cfg->method->dynamic) {
2752 guint unwindlen = 0;
2753 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
2754 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
2756 /* Allocate the code into a separate memory pool so it can be freed */
2757 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
2758 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
2759 mono_domain_lock (cfg->domain);
2760 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
2761 mono_domain_unlock (cfg->domain);
2763 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
2765 guint unwindlen = 0;
2766 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
2767 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
2769 mono_domain_lock (cfg->domain);
2770 code = mono_code_manager_reserve (cfg->domain->code_mp, cfg->code_size + unwindlen);
2771 mono_domain_unlock (cfg->domain);
2774 memcpy (code, cfg->native_code, cfg->code_len);
2775 g_free (cfg->native_code);
2776 cfg->native_code = code;
2777 code = cfg->native_code + cfg->code_len;
2779 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
2780 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
2781 switch (patch_info->type) {
2782 case MONO_PATCH_INFO_ABS: {
2783 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
2786 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
2790 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
2791 // FIXME: CLEAN UP THIS MESS.
2792 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
2793 strstr (cfg->method->name, info->name)) {
2795 * This is an icall wrapper, and this is a call to the
2798 if (cfg->compile_aot) {
2799 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
2800 patch_info->data.name = info->name;
2803 /* for these array methods we currently register the same function pointer
2804 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
2805 * will return the incorrect one depending on the order they are registered.
2806 * See tests/test-arr.cs
2808 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
2809 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
2810 patch_info->data.name = info->name;
2815 if (patch_info->type == MONO_PATCH_INFO_ABS) {
2816 if (cfg->abs_patches) {
2817 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
2819 patch_info->type = abs_ji->type;
2820 patch_info->data.target = abs_ji->data.target;
2827 case MONO_PATCH_INFO_SWITCH: {
2829 if (cfg->method->dynamic) {
2830 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2832 mono_domain_lock (cfg->domain);
2833 table = mono_code_manager_reserve (cfg->domain->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2834 mono_domain_unlock (cfg->domain);
2837 for (i = 0; i < patch_info->data.table->table_size; i++) {
2838 /* Might be NULL if the switch is eliminated */
2839 if (patch_info->data.table->table [i]) {
2840 g_assert (patch_info->data.table->table [i]->native_offset);
2841 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
2846 patch_info->data.table->table = (MonoBasicBlock**)table;
2849 case MONO_PATCH_INFO_METHOD_JUMP: {
2851 MonoDomain *domain = cfg->domain;
2852 unsigned char *ip = cfg->native_code + patch_info->ip.i;
2854 mono_domain_lock (domain);
2855 if (!domain_jit_info (domain)->jump_target_hash)
2856 domain_jit_info (domain)->jump_target_hash = g_hash_table_new (NULL, NULL);
2857 list = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
2858 list = g_slist_prepend (list, ip);
2859 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, list);
2860 mono_domain_unlock (domain);
2869 #ifdef VALGRIND_JIT_REGISTER_MAP
2870 if (valgrind_register){
2871 char* nm = mono_method_full_name (cfg->method, TRUE);
2872 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
2877 if (cfg->verbose_level > 0) {
2878 char* nm = mono_method_full_name (cfg->method, TRUE);
2879 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
2881 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
2886 gboolean is_generic = FALSE;
2888 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
2889 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
2893 if (cfg->generic_sharing_context)
2894 g_assert (is_generic);
2897 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
2898 mono_arch_save_unwind_info (cfg);
2901 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->run_cctors);
2903 if (cfg->method->dynamic) {
2904 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
2906 mono_domain_lock (cfg->domain);
2907 mono_code_manager_commit (cfg->domain->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
2908 mono_domain_unlock (cfg->domain);
2911 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
2913 mono_debug_close_method (cfg);
2914 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
2915 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
2919 static MonoGenericInst*
2920 get_object_generic_inst (int type_argc)
2922 MonoType **type_argv;
2925 type_argv = alloca (sizeof (MonoType*) * type_argc);
2927 for (i = 0; i < type_argc; ++i)
2928 type_argv [i] = &mono_defaults.object_class->byval_arg;
2930 return mono_metadata_get_generic_inst (type_argc, type_argv);
2934 compute_reachable (MonoBasicBlock *bb)
2938 if (!(bb->flags & BB_VISITED)) {
2939 bb->flags |= BB_VISITED;
2940 for (i = 0; i < bb->out_count; ++i)
2941 compute_reachable (bb->out_bb [i]);
2946 * mini_method_compile:
2947 * @method: the method to compile
2948 * @opts: the optimization flags to use
2949 * @domain: the domain where the method will be compiled in
2950 * @run_cctors: whether we should run type ctors if possible
2951 * @compile_aot: whether this is an AOT compilation
2952 * @parts: debug flag
2954 * Returns: a MonoCompile* pointer. Caller must check the exception_type
2955 * field in the returned struct to see if compilation succeded.
2958 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
2960 MonoMethodHeader *header;
2964 int dfn, i, code_size_ratio;
2965 gboolean deadce_has_run = FALSE;
2966 gboolean try_generic_shared;
2967 MonoMethod *method_to_compile, *method_to_register;
2968 int generic_info_size;
2970 mono_jit_stats.methods_compiled++;
2971 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
2972 mono_profiler_method_jit (method);
2973 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
2974 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
2977 /* We are passed the original generic method definition */
2978 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
2979 (opts & MONO_OPT_GSHARED) && (method->is_generic || method->klass->generic_container);
2981 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
2982 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
2984 if (opts & MONO_OPT_GSHARED) {
2985 if (try_generic_shared)
2986 mono_stats.generics_sharable_methods++;
2987 else if (mono_method_is_generic_impl (method))
2988 mono_stats.generics_unsharable_methods++;
2992 if (try_generic_shared) {
2993 MonoMethod *declaring_method;
2994 MonoGenericContext *shared_context;
2997 declaring_method = method;
2999 declaring_method = mono_method_get_declaring_generic_method (method);
3000 if (method->klass->generic_class)
3001 g_assert (method->klass->generic_class->container_class == declaring_method->klass);
3003 g_assert (method->klass == declaring_method->klass);
3006 if (declaring_method->is_generic)
3007 shared_context = &(mono_method_get_generic_container (declaring_method)->context);
3009 shared_context = &declaring_method->klass->generic_container->context;
3011 method_to_compile = mono_class_inflate_generic_method (declaring_method, shared_context);
3012 g_assert (method_to_compile);
3014 method_to_compile = method;
3017 cfg = g_new0 (MonoCompile, 1);
3018 cfg->method = method_to_compile;
3019 cfg->mempool = mono_mempool_new ();
3021 cfg->prof_options = mono_profiler_get_events ();
3022 cfg->run_cctors = run_cctors;
3023 cfg->domain = domain;
3024 cfg->verbose_level = mini_verbose;
3025 cfg->compile_aot = compile_aot;
3026 cfg->skip_visibility = method->skip_visibility;
3027 cfg->orig_method = method;
3028 if (try_generic_shared)
3029 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
3030 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
3032 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
3033 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
3037 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
3038 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
3039 cfg->disable_reuse_registers = TRUE;
3040 cfg->disable_reuse_stack_slots = TRUE;
3042 * This decreases the change the debugger will read registers/stack slots which are
3043 * not yet initialized.
3045 cfg->disable_initlocals_opt = TRUE;
3047 /* Temporarily disable this when running in the debugger until we have support
3048 * for this in the debugger. */
3049 cfg->disable_omit_fp = TRUE;
3051 /* The debugger needs all locals to be on the stack or in a global register */
3052 cfg->disable_vreg_to_lvreg = TRUE;
3054 // cfg->opt |= MONO_OPT_SHARED;
3055 cfg->opt &= ~MONO_OPT_INLINE;
3056 cfg->opt &= ~MONO_OPT_COPYPROP;
3057 cfg->opt &= ~MONO_OPT_CONSPROP;
3058 cfg->opt &= ~MONO_OPT_GSHARED;
3061 header = mono_method_get_header (method_to_compile);
3063 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
3064 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
3065 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3066 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3067 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
3068 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
3072 if (getenv ("MONO_VERBOSE_METHOD")) {
3073 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
3074 cfg->verbose_level = 4;
3077 ip = (guint8 *)header->code;
3079 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
3081 if (cfg->verbose_level > 2) {
3082 if (cfg->generic_sharing_context)
3083 g_print ("converting shared method %s\n", mono_method_full_name (method, TRUE));
3085 g_print ("converting method %s\n", mono_method_full_name (method, TRUE));
3088 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
3089 cfg->opt |= MONO_OPT_SSA;
3092 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")))
3093 cfg->globalra = TRUE;
3096 //cfg->globalra = TRUE;
3098 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
3099 // cfg->globalra = TRUE;
3102 static int count = 0;
3106 if (getenv ("COUNT2")) {
3107 cfg->globalra = TRUE;
3108 if (count == atoi (getenv ("COUNT2")))
3109 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
3110 if (count > atoi (getenv ("COUNT2")))
3111 cfg->globalra = FALSE;
3116 if (header->clauses)
3117 cfg->globalra = FALSE;
3119 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
3120 /* The code in the prolog clobbers caller saved registers */
3121 cfg->globalra = FALSE;
3123 // FIXME: Disable globalra in case of tracing/profiling
3125 if (cfg->method->save_lmf)
3126 /* The LMF saving code might clobber caller saved registers */
3127 cfg->globalra = FALSE;
3129 if (header->code_size > 5000)
3131 /* Too large bblocks could overflow the ins positions */
3132 cfg->globalra = FALSE;
3134 cfg->rs = mono_regstate_new ();
3136 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
3137 cfg->next_vreg = cfg->rs->next_vreg;
3139 /* FIXME: Fix SSA to handle branches inside bblocks */
3140 if (cfg->opt & MONO_OPT_SSA)
3141 cfg->enable_extended_bblocks = FALSE;
3144 * FIXME: This confuses liveness analysis because variables which are assigned after
3145 * a branch inside a bblock become part of the kill set, even though the assignment
3146 * might not get executed. This causes the optimize_initlocals pass to delete some
3147 * assignments which are needed.
3148 * Also, the mono_if_conversion pass needs to be modified to recognize the code
3151 //cfg->enable_extended_bblocks = TRUE;
3154 * create MonoInst* which represents arguments and local variables
3156 mono_compile_create_vars (cfg);
3158 /* SSAPRE is not supported on linear IR */
3159 cfg->opt &= ~MONO_OPT_SSAPRE;
3161 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
3164 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
3166 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3167 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3170 mono_destroy_compile (cfg);
3171 try_generic_shared = FALSE;
3172 goto restart_compile;
3174 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
3176 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3177 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3178 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
3179 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
3180 /* cfg contains the details of the failure, so let the caller cleanup */
3184 mono_jit_stats.basic_blocks += cfg->num_bblocks;
3185 mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks);
3187 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
3189 mono_decompose_long_opts (cfg);
3191 /* Should be done before branch opts */
3192 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
3193 mono_local_cprop (cfg);
3195 if (cfg->opt & MONO_OPT_BRANCH)
3196 mono_optimize_branches (cfg);
3198 /* This must be done _before_ global reg alloc and _after_ decompose */
3199 mono_handle_global_vregs (cfg);
3200 mono_local_deadce (cfg);
3201 mono_if_conversion (cfg);
3203 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
3204 mono_remove_critical_edges (cfg);
3206 /* Depth-first ordering on basic blocks */
3207 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
3210 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
3211 if (cfg->num_bblocks != dfn + 1) {
3214 cfg->num_bblocks = dfn + 1;
3216 /* remove unreachable code, because the code in them may be
3217 * inconsistent (access to dead variables for example) */
3218 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3219 bb->flags &= ~BB_VISITED;
3220 compute_reachable (cfg->bb_entry);
3221 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3222 if (bb->flags & BB_EXCEPTION_HANDLER)
3223 compute_reachable (bb);
3224 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3225 if (!(bb->flags & BB_VISITED)) {
3226 if (cfg->verbose_level > 1)
3227 g_print ("found unreachable code in BB%d\n", bb->block_num);
3228 bb->code = bb->last_ins = NULL;
3231 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3232 bb->flags &= ~BB_VISITED;
3235 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
3237 * we disable some optimizations if there are too many variables
3238 * because JIT time may become too expensive. The actual number needs
3239 * to be tweaked and eventually the non-linear algorithms should be fixed.
3241 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
3242 cfg->disable_ssa = TRUE;
3245 if (cfg->opt & MONO_OPT_LOOP) {
3246 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
3247 mono_compute_natural_loops (cfg);
3250 /* after method_to_ir */
3252 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3253 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3257 //#define DEBUGSSA "logic_run"
3258 #define DEBUGSSA_CLASS "Tests"
3261 if (!header->num_clauses && !cfg->disable_ssa) {
3262 mono_local_cprop (cfg);
3265 mono_ssa_compute (cfg);
3269 if (cfg->opt & MONO_OPT_SSA) {
3270 if (!(cfg->comp_done & MONO_COMP_SSA) && !header->num_clauses && !cfg->disable_ssa) {
3272 mono_ssa_compute (cfg);
3275 if (cfg->verbose_level >= 2) {
3282 /* after SSA translation */
3284 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3285 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3289 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
3290 if (cfg->comp_done & MONO_COMP_SSA) {
3292 mono_ssa_cprop (cfg);
3298 if (cfg->comp_done & MONO_COMP_SSA) {
3299 //mono_ssa_strength_reduction (cfg);
3301 if (cfg->opt & MONO_OPT_SSAPRE) {
3302 mono_perform_ssapre (cfg);
3303 //mono_local_cprop (cfg);
3306 if (cfg->opt & MONO_OPT_DEADCE) {
3307 mono_ssa_deadce (cfg);
3308 deadce_has_run = TRUE;
3311 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
3312 mono_perform_abc_removal (cfg);
3314 mono_ssa_remove (cfg);
3315 mono_local_cprop (cfg);
3316 mono_handle_global_vregs (cfg);
3317 mono_local_deadce (cfg);
3319 if (cfg->opt & MONO_OPT_BRANCH) {
3322 mono_optimize_branches (cfg);
3324 /* Have to recompute cfg->bblocks and bb->dfn */
3325 if (cfg->globalra) {
3326 mono_remove_critical_edges (cfg);
3328 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3331 /* Depth-first ordering on basic blocks */
3332 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
3335 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
3336 cfg->num_bblocks = dfn + 1;
3342 /* after SSA removal */
3344 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3345 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3349 #ifdef MONO_ARCH_SOFT_FLOAT
3350 mono_decompose_soft_float (cfg);
3352 mono_decompose_vtype_opts (cfg);
3353 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
3354 mono_decompose_array_access_opts (cfg);
3359 g_assert (cfg->got_var_allocated);
3362 * Allways allocate the GOT var to a register, because keeping it
3363 * in memory will increase the number of live temporaries in some
3364 * code created by inssel.brg, leading to the well known spills+
3365 * branches problem. Testcase: mcs crash in
3366 * System.MonoCustomAttrs:GetCustomAttributes.
3368 regs = mono_arch_get_global_int_regs (cfg);
3370 cfg->got_var->opcode = OP_REGVAR;
3371 cfg->got_var->dreg = GPOINTER_TO_INT (regs->data);
3372 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
3377 /* todo: remove code when we have verified that the liveness for try/catch blocks
3381 * Currently, this can't be commented out since exception blocks are not
3382 * processed during liveness analysis.
3384 mono_liveness_handle_exception_clauses (cfg);
3386 if (cfg->globalra) {
3389 /* Have to do this before regalloc since it can create vregs */
3390 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3391 mono_arch_lowering_pass (cfg, bb);
3393 mono_global_regalloc (cfg);
3396 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
3399 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
3400 cfg->comp_done &= ~MONO_COMP_LIVENESS;
3401 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
3402 mono_analyze_liveness (cfg);
3404 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
3405 regs = mono_arch_get_global_int_regs (cfg);
3407 regs = g_list_delete_link (regs, regs);
3408 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
3412 //mono_print_code (cfg);
3416 /* variables are allocated after decompose, since decompose could create temps */
3418 mono_arch_allocate_vars (cfg);
3422 gboolean need_local_opts;
3424 if (!cfg->globalra) {
3425 mono_spill_global_vars (cfg, &need_local_opts);
3427 if (need_local_opts || cfg->compile_aot) {
3428 /* To optimize code created by spill_global_vars */
3429 mono_local_cprop (cfg);
3430 mono_local_deadce (cfg);
3434 /* Add branches between non-consecutive bblocks */
3435 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3436 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
3437 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
3438 /* we are careful when inverting, since bugs like #59580
3439 * could show up when dealing with NaNs.
3441 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
3442 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
3443 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
3444 bb->last_ins->inst_false_bb = tmp;
3446 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
3448 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
3449 inst->opcode = OP_BR;
3450 inst->inst_target_bb = bb->last_ins->inst_false_bb;
3451 mono_bblock_add_inst (bb, inst);
3456 if (cfg->verbose_level >= 4 && !cfg->globalra) {
3457 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3458 MonoInst *tree = bb->code;
3459 g_print ("DUMP BLOCK %d:\n", bb->block_num);
3462 for (; tree; tree = tree->next) {
3463 mono_print_ins_index (-1, tree);
3469 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3470 bb->max_vreg = cfg->next_vreg;
3475 if (cfg->verbose_level >= 2) {
3476 char *id = mono_method_full_name (cfg->method, FALSE);
3477 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
3481 if (cfg->generic_sharing_context)
3482 generic_info_size = sizeof (MonoGenericJitInfo);
3484 generic_info_size = 0;
3486 if (cfg->method->dynamic) {
3487 jinfo = g_malloc0 (sizeof (MonoJitInfo) + (header->num_clauses * sizeof (MonoJitExceptionInfo)) +
3490 /* we access cfg->domain->mp */
3491 mono_domain_lock (cfg->domain);
3492 jinfo = mono_domain_alloc0 (cfg->domain, sizeof (MonoJitInfo) +
3493 (header->num_clauses * sizeof (MonoJitExceptionInfo)) +
3495 mono_domain_unlock (cfg->domain);
3498 if (cfg->generic_sharing_context) {
3499 MonoGenericContext object_context;
3501 g_assert (!method_to_compile->klass->generic_class);
3502 if (method_to_compile->klass->generic_container) {
3503 int type_argc = method_to_compile->klass->generic_container->type_argc;
3505 object_context.class_inst = get_object_generic_inst (type_argc);
3507 object_context.class_inst = NULL;
3510 if (mini_method_get_context (method_to_compile)->method_inst) {
3511 int type_argc = mini_method_get_context (method_to_compile)->method_inst->type_argc;
3513 object_context.method_inst = get_object_generic_inst (type_argc);
3515 object_context.method_inst = NULL;
3518 g_assert (object_context.class_inst || object_context.method_inst);
3520 method_to_register = mono_class_inflate_generic_method (method_to_compile, &object_context);
3522 g_assert (method == method_to_compile);
3523 method_to_register = method;
3526 jinfo->method = method_to_register;
3527 jinfo->code_start = cfg->native_code;
3528 jinfo->code_size = cfg->code_len;
3529 jinfo->used_regs = cfg->used_int_regs;
3530 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3531 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3532 jinfo->num_clauses = header->num_clauses;
3534 if (cfg->generic_sharing_context) {
3536 MonoGenericJitInfo *gi;
3538 jinfo->has_generic_jit_info = 1;
3540 gi = mono_jit_info_get_generic_jit_info (jinfo);
3543 gi->generic_sharing_context = cfg->generic_sharing_context;
3546 * Non-generic static methods only get a "this" info
3547 * if they use the rgctx variable (which they are
3548 * forced to if they have any open catch clauses).
3550 if (cfg->rgctx_var ||
3551 (!(method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) &&
3552 !mini_method_get_context (method_to_compile)->method_inst &&
3553 !method_to_compile->klass->valuetype)) {
3556 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3557 mini_method_get_context (method_to_compile)->method_inst ||
3558 method_to_compile->klass->valuetype) {
3559 inst = cfg->rgctx_var;
3560 g_assert (inst->opcode == OP_REGOFFSET);
3562 inst = cfg->args [0];
3565 if (inst->opcode == OP_REGVAR) {
3566 gi->this_in_reg = 1;
3567 gi->this_reg = inst->dreg;
3569 //g_print ("this in reg %d\n", inst->dreg);
3571 g_assert (inst->opcode == OP_REGOFFSET);
3573 g_assert (inst->inst_basereg == X86_EBP);
3574 #elif defined(__x86_64__)
3575 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3577 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3579 gi->this_in_reg = 0;
3580 gi->this_reg = inst->inst_basereg;
3581 gi->this_offset = inst->inst_offset;
3583 //g_print ("this at offset %d from reg %d\n", gi->this_offset, gi->this_reg);
3590 if (header->num_clauses) {
3593 for (i = 0; i < header->num_clauses; i++) {
3594 MonoExceptionClause *ec = &header->clauses [i];
3595 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3596 MonoBasicBlock *tblock;
3599 ei->flags = ec->flags;
3601 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3602 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3604 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3605 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3607 ei->data.filter = cfg->native_code + tblock->native_offset;
3609 ei->data.catch_class = ec->data.catch_class;
3612 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3614 ei->try_start = cfg->native_code + tblock->native_offset;
3615 g_assert (tblock->native_offset);
3616 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3618 ei->try_end = cfg->native_code + tblock->native_offset;
3619 g_assert (tblock->native_offset);
3620 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3622 ei->handler_start = cfg->native_code + tblock->native_offset;
3626 cfg->jit_info = jinfo;
3627 #if defined(__arm__)
3628 mono_arch_fixup_jinfo (cfg);
3631 if (enable_xdebug) {
3633 mono_save_xdebug_info (method_to_register, jinfo->code_start, jinfo->code_size, cfg->args, cfg->unwind_ops);
3637 if (!cfg->compile_aot) {
3638 mono_domain_lock (cfg->domain);
3639 mono_jit_info_table_add (cfg->domain, jinfo);
3641 if (cfg->method->dynamic)
3642 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = jinfo;
3643 mono_domain_unlock (cfg->domain);
3646 /* collect statistics */
3647 mono_perfcounters->jit_methods++;
3648 mono_perfcounters->jit_bytes += header->code_size;
3649 mono_jit_stats.allocated_code_size += cfg->code_len;
3650 code_size_ratio = cfg->code_len;
3651 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
3652 mono_jit_stats.biggest_method_size = code_size_ratio;
3653 g_free (mono_jit_stats.biggest_method);
3654 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
3656 code_size_ratio = (code_size_ratio * 100) / mono_method_get_header (method)->code_size;
3657 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
3658 mono_jit_stats.max_code_size_ratio = code_size_ratio;
3659 g_free (mono_jit_stats.max_ratio_method);
3660 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
3662 mono_jit_stats.native_code_size += cfg->code_len;
3664 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3665 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3666 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
3667 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
3675 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
3677 g_assert_not_reached ();
3681 #endif /* DISABLE_JIT */
3684 lookup_generic_method (MonoDomain *domain, MonoMethod *method)
3686 MonoMethod *open_method;
3688 if (!mono_method_is_generic_sharable_impl (method, FALSE))
3691 open_method = mono_method_get_declaring_generic_method (method);
3693 return mono_domain_lookup_shared_generic (domain, open_method);
3697 * LOCKING: Assumes domain->jit_code_hash_lock is held.
3700 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
3702 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
3707 return lookup_generic_method (domain, method);
3711 lookup_method (MonoDomain *domain, MonoMethod *method)
3715 mono_domain_jit_code_hash_lock (domain);
3716 info = lookup_method_inner (domain, method);
3717 mono_domain_jit_code_hash_unlock (domain);
3723 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt)
3726 gpointer code = NULL;
3730 #ifdef MONO_USE_AOT_COMPILER
3731 if ((opt & MONO_OPT_AOT) && !(mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)) {
3732 MonoDomain *domain = mono_domain_get ();
3734 mono_class_init (method->klass);
3736 mono_domain_lock (domain);
3737 if ((code = mono_aot_get_method (domain, method))) {
3738 mono_domain_unlock (domain);
3739 vtable = mono_class_vtable (domain, method->klass);
3741 mono_runtime_class_init (vtable);
3745 mono_domain_unlock (domain);
3749 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
3750 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
3752 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
3754 if (!piinfo->addr) {
3755 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
3756 piinfo->addr = mono_lookup_internal_call (method);
3757 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
3758 #ifdef PLATFORM_WIN32
3759 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);
3761 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);
3764 mono_lookup_pinvoke_call (method, NULL, NULL);
3766 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
3767 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
3769 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
3770 //mono_debug_add_wrapper (method, nm);
3771 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
3772 const char *name = method->name;
3775 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
3776 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
3777 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
3780 * We need to make sure this wrapper
3781 * is compiled because it might end up
3782 * in an (M)RGCTX if generic sharing
3783 * is enabled, and would be called
3784 * indirectly. If it were a
3785 * trampoline we'd try to patch that
3786 * indirect call, which is not
3789 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
3790 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
3791 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
3792 return mono_create_delegate_trampoline (method->klass);
3794 nm = mono_marshal_get_delegate_invoke (method, NULL);
3795 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
3797 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
3798 nm = mono_marshal_get_delegate_begin_invoke (method);
3799 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
3800 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
3801 nm = mono_marshal_get_delegate_end_invoke (method);
3802 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
3809 g_error ("Attempting to JIT compile method '%s' while running with --aot-only.\n", mono_method_full_name (method, TRUE));
3811 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
3813 switch (cfg->exception_type) {
3814 case MONO_EXCEPTION_NONE:
3816 case MONO_EXCEPTION_TYPE_LOAD:
3817 case MONO_EXCEPTION_MISSING_FIELD:
3818 case MONO_EXCEPTION_MISSING_METHOD:
3819 case MONO_EXCEPTION_FILE_NOT_FOUND:
3820 case MONO_EXCEPTION_BAD_IMAGE: {
3821 /* Throw a type load exception if needed */
3822 MonoLoaderError *error = mono_loader_get_last_error ();
3826 ex = mono_loader_error_prepare_exception (error);
3828 if (cfg->exception_ptr) {
3829 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
3831 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
3832 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
3833 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
3834 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
3835 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
3836 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
3837 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
3838 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
3839 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
3840 ex = mono_get_exception_bad_image_format (cfg->exception_message);
3842 g_assert_not_reached ();
3845 mono_destroy_compile (cfg);
3846 mono_raise_exception (ex);
3849 case MONO_EXCEPTION_INVALID_PROGRAM: {
3850 MonoException *ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
3851 mono_destroy_compile (cfg);
3852 mono_raise_exception (ex);
3855 case MONO_EXCEPTION_UNVERIFIABLE_IL: {
3856 MonoException *ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
3857 mono_destroy_compile (cfg);
3858 mono_raise_exception (ex);
3861 case MONO_EXCEPTION_METHOD_ACCESS: {
3862 MonoException *ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
3863 mono_destroy_compile (cfg);
3864 mono_raise_exception (ex);
3867 case MONO_EXCEPTION_FIELD_ACCESS: {
3868 MonoException *ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
3869 mono_destroy_compile (cfg);
3870 mono_raise_exception (ex);
3873 /* this can only be set if the security manager is active */
3874 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
3875 MonoSecurityManager* secman = mono_security_manager_get_methods ();
3876 MonoObject *exc = NULL;
3879 args [0] = &cfg->exception_data;
3881 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
3883 mono_destroy_compile (cfg);
3886 mono_raise_exception ((MonoException*)exc);
3888 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
3889 MonoException *exp = cfg->exception_ptr;
3890 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
3891 mono_destroy_compile (cfg);
3892 mono_raise_exception (exp);
3896 g_assert_not_reached ();
3899 mono_domain_lock (target_domain);
3901 /* Check if some other thread already did the job. In this case, we can
3902 discard the code this thread generated. */
3904 mono_domain_jit_code_hash_lock (target_domain);
3906 info = lookup_method_inner (target_domain, method);
3908 /* We can't use a domain specific method in another domain */
3909 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
3910 code = info->code_start;
3911 // printf("Discarding code for method %s\n", method->name);
3916 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
3917 mono_domain_jit_code_hash_unlock (target_domain);
3918 code = cfg->native_code;
3920 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE)) {
3921 /* g_print ("inserting method %s.%s.%s\n", method->klass->name_space, method->klass->name, method->name); */
3922 mono_domain_register_shared_generic (target_domain,
3923 mono_method_get_declaring_generic_method (method), cfg->jit_info);
3924 mono_stats.generics_shared_methods++;
3927 mono_domain_jit_code_hash_unlock (target_domain);
3930 mono_destroy_compile (cfg);
3932 if (domain_jit_info (target_domain)->jump_target_hash) {
3933 MonoJumpInfo patch_info;
3935 list = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
3937 patch_info.next = NULL;
3938 patch_info.ip.i = 0;
3939 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
3940 patch_info.data.method = method;
3941 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
3943 for (tmp = list; tmp; tmp = tmp->next)
3944 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, TRUE);
3945 g_slist_free (list);
3948 mono_domain_unlock (target_domain);
3950 vtable = mono_class_vtable (target_domain, method->klass);
3953 exc = mono_class_get_exception_for_failure (method->klass);
3955 mono_raise_exception (exc);
3957 mono_runtime_class_init (vtable);
3962 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt)
3964 MonoDomain *target_domain, *domain = mono_domain_get ();
3967 MonoJitICallInfo *callinfo = NULL;
3970 * ICALL wrappers are handled specially, since there is only one copy of them
3971 * shared by all appdomains.
3973 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
3974 const char *icall_name;
3976 icall_name = method->name + strlen ("__icall_wrapper_");
3977 g_assert (icall_name);
3978 callinfo = mono_find_jit_icall_by_name (icall_name);
3979 g_assert (callinfo);
3981 /* Must be domain neutral since there is only one copy */
3982 opt |= MONO_OPT_SHARED;
3985 if (opt & MONO_OPT_SHARED)
3986 target_domain = mono_get_root_domain ();
3988 target_domain = domain;
3990 info = lookup_method (target_domain, method);
3992 /* We can't use a domain specific method in another domain */
3993 if (! ((domain != target_domain) && !info->domain_neutral)) {
3996 mono_jit_stats.methods_lookups++;
3997 vtable = mono_class_vtable (domain, method->klass);
3998 mono_runtime_class_init (vtable);
3999 return mono_create_ftnptr (target_domain, info->code_start);
4003 p = mono_create_ftnptr (target_domain, mono_jit_compile_method_inner (method, target_domain, opt));
4007 if (!callinfo->wrapper) {
4008 callinfo->wrapper = p;
4009 mono_register_jit_icall_wrapper (callinfo, p);
4010 mono_debug_add_icall_wrapper (method, callinfo);
4019 mono_jit_compile_method (MonoMethod *method)
4021 return mono_jit_compile_method_with_opt (method, default_opt);
4024 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4026 invalidated_delegate_trampoline (char *desc)
4028 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
4029 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
4035 * mono_jit_free_method:
4037 * Free all memory allocated by the JIT for METHOD.
4040 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
4042 MonoJitDynamicMethodInfo *ji;
4043 gboolean destroy = TRUE;
4045 g_assert (method->dynamic);
4047 mono_domain_lock (domain);
4048 ji = mono_dynamic_code_hash_lookup (domain, method);
4049 mono_domain_unlock (domain);
4053 mono_domain_lock (domain);
4054 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
4055 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
4056 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
4057 mono_domain_unlock (domain);
4059 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4060 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
4062 * Instead of freeing the code, change it to call an error routine
4063 * so people can fix their code.
4065 char *type = mono_type_full_name (&method->klass->byval_arg);
4066 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
4069 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
4075 * This needs to be done before freeing code_mp, since the code address is the
4076 * key in the table, so if we free the code_mp first, another thread can grab the
4077 * same code address and replace our entry in the table.
4079 mono_jit_info_table_remove (domain, ji->ji);
4082 mono_code_manager_destroy (ji->code_mp);
4087 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
4089 MonoDomain *target_domain;
4092 if (default_opt & MONO_OPT_SHARED)
4093 target_domain = mono_get_root_domain ();
4095 target_domain = domain;
4097 info = lookup_method (target_domain, method);
4099 /* We can't use a domain specific method in another domain */
4100 if (! ((domain != target_domain) && !info->domain_neutral)) {
4101 mono_jit_stats.methods_lookups++;
4102 return info->code_start;
4110 * mono_jit_runtime_invoke:
4111 * @method: the method to invoke
4112 * @obj: this pointer
4113 * @params: array of parameter values.
4114 * @exc: used to catch exceptions objects
4117 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
4119 MonoMethod *to_compile;
4121 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
4122 void* compiled_method;
4125 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
4126 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
4130 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
4131 to_compile = mono_marshal_get_static_rgctx_invoke (method);
4133 to_compile = method;
4135 invoke = mono_marshal_get_runtime_invoke (method);
4136 runtime_invoke = mono_jit_compile_method (invoke);
4138 /* We need this here becuase mono_marshal_get_runtime_invoke can be place
4139 * the helper method in System.Object and not the target class
4141 vtable = mono_class_vtable (mono_domain_get (), method->klass);
4143 mono_runtime_class_init (vtable);
4145 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4146 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4148 * Array Get/Set/Address methods. The JIT implements them using inline code
4149 * inside the runtime invoke wrappers, so no need to compile them.
4151 compiled_method = NULL;
4153 compiled_method = mono_jit_compile_method (to_compile);
4155 return runtime_invoke (obj, params, exc, compiled_method);
4158 #ifdef MONO_GET_CONTEXT
4159 #define GET_CONTEXT MONO_GET_CONTEXT
4163 #ifdef PLATFORM_WIN32
4164 #define GET_CONTEXT \
4165 struct sigcontext *ctx = (struct sigcontext*)_dummy;
4167 #ifdef MONO_ARCH_USE_SIGACTION
4168 #define GET_CONTEXT \
4169 void *ctx = context;
4170 #elif defined(__sparc__)
4171 #define GET_CONTEXT \
4174 #define GET_CONTEXT \
4175 void **_p = (void **)&_dummy; \
4176 struct sigcontext *ctx = (struct sigcontext *)++_p;
4181 #ifdef MONO_ARCH_USE_SIGACTION
4182 #define SIG_HANDLER_SIGNATURE(ftn) ftn (int _dummy, siginfo_t *info, void *context)
4183 #elif defined(__sparc__)
4184 #define SIG_HANDLER_SIGNATURE(ftn) ftn (int _dummy, void *sigctx)
4186 #define SIG_HANDLER_SIGNATURE(ftn) ftn (int _dummy)
4190 SIG_HANDLER_SIGNATURE (sigfpe_signal_handler)
4192 MonoException *exc = NULL;
4193 #ifndef MONO_ARCH_USE_SIGACTION
4198 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
4199 if (mono_arch_is_int_overflow (ctx, info))
4200 exc = mono_get_exception_arithmetic ();
4202 exc = mono_get_exception_divide_by_zero ();
4204 exc = mono_get_exception_divide_by_zero ();
4207 mono_arch_handle_exception (ctx, exc, FALSE);
4211 SIG_HANDLER_SIGNATURE (sigill_signal_handler)
4216 exc = mono_get_exception_execution_engine ("SIGILL");
4218 mono_arch_handle_exception (ctx, exc, FALSE);
4222 SIG_HANDLER_SIGNATURE (sigsegv_signal_handler)
4224 #ifndef MONO_ARCH_SIGSEGV_ON_ALTSTACK
4225 MonoException *exc = NULL;
4228 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
4232 /* The thread might no be registered with the runtime */
4233 if (!mono_domain_get () || !jit_tls)
4234 mono_handle_native_sigsegv (SIGSEGV, ctx);
4236 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
4238 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
4239 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
4242 /* The hard-guard page has been hit: there is not much we can do anymore
4243 * Print a hopefully clear message and abort.
4245 if (jit_tls->stack_size &&
4246 ABS ((guint8*)info->si_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 32768) {
4248 /* we don't do much now, but we can warn the user with a useful message */
4249 fprintf (stderr, "Stack overflow: IP: %p, fault addr: %p\n", mono_arch_ip_from_context (ctx), (gpointer)info->si_addr);
4250 if (ji && ji->method)
4251 method = mono_method_full_name (ji->method, TRUE);
4253 method = "Unmanaged";
4254 fprintf (stderr, "At %s\n", method);
4257 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
4262 mono_handle_native_sigsegv (SIGSEGV, ctx);
4265 mono_arch_handle_exception (ctx, exc, FALSE);
4269 #ifndef PLATFORM_WIN32
4272 SIG_HANDLER_SIGNATURE (sigabrt_signal_handler)
4277 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context(ctx));
4279 mono_handle_native_sigsegv (SIGABRT, ctx);
4284 SIG_HANDLER_SIGNATURE (sigusr1_signal_handler)
4286 gboolean running_managed;
4288 MonoThread *thread = mono_thread_current ();
4293 if (thread->thread_dump_requested) {
4294 thread->thread_dump_requested = FALSE;
4296 mono_print_thread_dump (ctx);
4301 * This is an async signal, so the code below must not call anything which
4302 * is not async safe. That includes the pthread locking functions. If we
4303 * know that we interrupted managed code, then locking is safe.
4305 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context(ctx));
4306 running_managed = ji != NULL;
4308 exc = mono_thread_request_interruption (running_managed);
4311 mono_arch_handle_exception (ctx, exc, FALSE);
4314 #if defined(__i386__) || defined(__x86_64__)
4315 #define FULL_STAT_PROFILER_BACKTRACE 1
4316 #define CURRENT_FRAME_GET_BASE_POINTER(f) (* (gpointer*)(f))
4317 #define CURRENT_FRAME_GET_RETURN_ADDRESS(f) (* (((gpointer*)(f)) + 1))
4318 #if MONO_ARCH_STACK_GROWS_UP
4319 #define IS_BEFORE_ON_STACK <
4320 #define IS_AFTER_ON_STACK >
4322 #define IS_BEFORE_ON_STACK >
4323 #define IS_AFTER_ON_STACK <
4326 #define FULL_STAT_PROFILER_BACKTRACE 0
4329 #if defined(__ia64__) || defined(__sparc__) || defined(sparc) || defined(__s390__) || defined(s390)
4332 SIG_HANDLER_SIGNATURE (sigprof_signal_handler)
4340 SIG_HANDLER_SIGNATURE (sigprof_signal_handler)
4342 int call_chain_depth = mono_profiler_stat_get_call_chain_depth ();
4345 if (call_chain_depth == 0) {
4346 mono_profiler_stat_hit (mono_arch_ip_from_context (ctx), ctx);
4348 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
4349 int current_frame_index = 1;
4350 MonoContext mono_context;
4351 #if FULL_STAT_PROFILER_BACKTRACE
4352 guchar *current_frame;
4353 guchar *stack_bottom;
4358 guchar *ips [call_chain_depth + 1];
4360 mono_arch_sigctx_to_monoctx (ctx, &mono_context);
4361 ips [0] = MONO_CONTEXT_GET_IP (&mono_context);
4363 if (jit_tls != NULL) {
4364 #if FULL_STAT_PROFILER_BACKTRACE
4365 stack_bottom = jit_tls->end_of_stack;
4366 stack_top = MONO_CONTEXT_GET_SP (&mono_context);
4367 current_frame = MONO_CONTEXT_GET_BP (&mono_context);
4369 while ((current_frame_index <= call_chain_depth) &&
4370 (stack_bottom IS_BEFORE_ON_STACK (guchar*) current_frame) &&
4371 ((guchar*) current_frame IS_BEFORE_ON_STACK stack_top)) {
4372 ips [current_frame_index] = CURRENT_FRAME_GET_RETURN_ADDRESS (current_frame);
4373 current_frame_index ++;
4374 stack_top = current_frame;
4375 current_frame = CURRENT_FRAME_GET_BASE_POINTER (current_frame);
4378 domain = mono_domain_get ();
4379 if (domain != NULL) {
4380 MonoLMF *lmf = NULL;
4383 MonoContext new_mono_context;
4385 ji = mono_find_jit_info (domain, jit_tls, &res, NULL, &mono_context,
4386 &new_mono_context, NULL, &lmf, &native_offset, NULL);
4387 while ((ji != NULL) && (current_frame_index <= call_chain_depth)) {
4388 ips [current_frame_index] = MONO_CONTEXT_GET_IP (&new_mono_context);
4389 current_frame_index ++;
4390 mono_context = new_mono_context;
4391 ji = mono_find_jit_info (domain, jit_tls, &res, NULL, &mono_context,
4392 &new_mono_context, NULL, &lmf, &native_offset, NULL);
4399 mono_profiler_stat_call_chain (current_frame_index, & ips [0], ctx);
4406 SIG_HANDLER_SIGNATURE (sigquit_signal_handler)
4412 /* We use this signal to start the attach agent too */
4413 res = mono_attach_start ();
4417 printf ("Full thread dump:\n");
4419 mono_threads_request_thread_dump ();
4422 * print_thread_dump () skips the current thread, since sending a signal
4423 * to it would invoke the signal handler below the sigquit signal handler,
4424 * and signal handlers don't create an lmf, so the stack walk could not
4427 mono_print_thread_dump (ctx);
4431 SIG_HANDLER_SIGNATURE (sigusr2_signal_handler)
4433 gboolean enabled = mono_trace_is_enabled ();
4435 mono_trace_enable (!enabled);
4441 SIG_HANDLER_SIGNATURE (sigint_signal_handler)
4446 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
4448 mono_arch_handle_exception (ctx, exc, FALSE);
4451 #ifdef PLATFORM_MACOSX
4454 * This code disables the CrashReporter of MacOS X by installing
4455 * a dummy Mach exception handler.
4459 * http://darwinsource.opendarwin.org/10.4.3/xnu-792.6.22/osfmk/man/exc_server.html
4463 exc_server (mach_msg_header_t *request_msg,
4464 mach_msg_header_t *reply_msg);
4467 * The exception message
4470 mach_msg_base_t msg; /* common mach message header */
4471 char payload [1024]; /* opaque */
4472 } mach_exception_msg_t;
4474 /* The exception port */
4475 static mach_port_t mach_exception_port = VM_MAP_NULL;
4478 * Implicitly called by exc_server. Must be public.
4480 * http://darwinsource.opendarwin.org/10.4.3/xnu-792.6.22/osfmk/man/catch_exception_raise.html
4483 catch_exception_raise (
4484 mach_port_t exception_port,
4487 exception_type_t exception,
4488 exception_data_t code,
4489 mach_msg_type_number_t code_count)
4491 /* consume the exception */
4492 return KERN_FAILURE;
4496 * Exception thread handler.
4500 mach_exception_thread (void *arg)
4503 mach_exception_msg_t request;
4504 mach_exception_msg_t reply;
4505 mach_msg_return_t result;
4507 /* receive from "mach_exception_port" */
4508 result = mach_msg (&request.msg.header,
4509 MACH_RCV_MSG | MACH_RCV_LARGE,
4512 mach_exception_port,
4513 MACH_MSG_TIMEOUT_NONE,
4516 g_assert (result == MACH_MSG_SUCCESS);
4518 /* dispatch to catch_exception_raise () */
4519 exc_server (&request.msg.header, &reply.msg.header);
4521 /* send back to sender */
4522 result = mach_msg (&reply.msg.header,
4524 reply.msg.header.msgh_size,
4527 MACH_MSG_TIMEOUT_NONE,
4530 g_assert (result == MACH_MSG_SUCCESS);
4536 macosx_register_exception_handler ()
4539 pthread_attr_t attr;
4542 if (mach_exception_port != VM_MAP_NULL)
4545 task = mach_task_self ();
4547 /* create the "mach_exception_port" with send & receive rights */
4548 g_assert (mach_port_allocate (task, MACH_PORT_RIGHT_RECEIVE,
4549 &mach_exception_port) == KERN_SUCCESS);
4550 g_assert (mach_port_insert_right (task, mach_exception_port, mach_exception_port,
4551 MACH_MSG_TYPE_MAKE_SEND) == KERN_SUCCESS);
4553 /* create the exception handler thread */
4554 g_assert (!pthread_attr_init (&attr));
4555 g_assert (!pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED));
4556 g_assert (!pthread_create (&thread, &attr, mach_exception_thread, NULL));
4557 pthread_attr_destroy (&attr);
4560 * register "mach_exception_port" as a receiver for the
4561 * EXC_BAD_ACCESS exception
4563 * http://darwinsource.opendarwin.org/10.4.3/xnu-792.6.22/osfmk/man/task_set_exception_ports.html
4565 g_assert (task_set_exception_ports (task, EXC_MASK_BAD_ACCESS,
4566 mach_exception_port,
4568 MACHINE_THREAD_STATE) == KERN_SUCCESS);
4572 #ifndef PLATFORM_WIN32
4574 add_signal_handler (int signo, gpointer handler)
4576 struct sigaction sa;
4578 #ifdef MONO_ARCH_USE_SIGACTION
4579 sa.sa_sigaction = handler;
4580 sigemptyset (&sa.sa_mask);
4581 sa.sa_flags = SA_SIGINFO;
4582 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
4583 if (signo == SIGSEGV)
4584 sa.sa_flags |= SA_ONSTACK;
4587 sa.sa_handler = handler;
4588 sigemptyset (&sa.sa_mask);
4591 g_assert (sigaction (signo, &sa, NULL) != -1);
4595 remove_signal_handler (int signo)
4597 struct sigaction sa;
4599 sa.sa_handler = SIG_DFL;
4600 sigemptyset (&sa.sa_mask);
4603 sigaction (signo, &sa, NULL);
4608 mono_runtime_install_handlers (void)
4610 #ifdef PLATFORM_WIN32
4612 win32_seh_set_handler(SIGFPE, sigfpe_signal_handler);
4613 win32_seh_set_handler(SIGILL, sigill_signal_handler);
4614 win32_seh_set_handler(SIGSEGV, sigsegv_signal_handler);
4615 if (debug_options.handle_sigint)
4616 win32_seh_set_handler(SIGINT, sigint_signal_handler);
4618 #else /* !PLATFORM_WIN32 */
4620 sigset_t signal_set;
4622 #if defined(PLATFORM_MACOSX) && !defined(__arm__)
4623 macosx_register_exception_handler ();
4626 if (debug_options.handle_sigint)
4627 add_signal_handler (SIGINT, sigint_signal_handler);
4629 add_signal_handler (SIGFPE, sigfpe_signal_handler);
4630 add_signal_handler (SIGQUIT, sigquit_signal_handler);
4631 add_signal_handler (SIGILL, sigill_signal_handler);
4632 add_signal_handler (SIGBUS, sigsegv_signal_handler);
4633 if (mono_jit_trace_calls != NULL)
4634 add_signal_handler (SIGUSR2, sigusr2_signal_handler);
4636 add_signal_handler (mono_thread_get_abort_signal (), sigusr1_signal_handler);
4637 /* it seems to have become a common bug for some programs that run as parents
4638 * of many processes to block signal delivery for real time signals.
4639 * We try to detect and work around their breakage here.
4641 sigemptyset (&signal_set);
4642 sigaddset (&signal_set, mono_thread_get_abort_signal ());
4643 sigprocmask (SIG_UNBLOCK, &signal_set, NULL);
4645 signal (SIGPIPE, SIG_IGN);
4647 add_signal_handler (SIGABRT, sigabrt_signal_handler);
4650 add_signal_handler (SIGSEGV, sigsegv_signal_handler);
4651 #endif /* PLATFORM_WIN32 */
4655 mono_runtime_cleanup_handlers (void)
4657 #ifdef PLATFORM_WIN32
4658 win32_seh_cleanup();
4660 if (debug_options.handle_sigint)
4661 remove_signal_handler (SIGINT);
4663 remove_signal_handler (SIGFPE);
4664 remove_signal_handler (SIGQUIT);
4665 remove_signal_handler (SIGILL);
4666 remove_signal_handler (SIGBUS);
4667 if (mono_jit_trace_calls != NULL)
4668 remove_signal_handler (SIGUSR2);
4670 remove_signal_handler (mono_thread_get_abort_signal ());
4672 remove_signal_handler (SIGABRT);
4674 remove_signal_handler (SIGSEGV);
4675 #endif /* PLATFORM_WIN32 */
4679 #ifdef HAVE_LINUX_RTC_H
4680 #include <linux/rtc.h>
4681 #include <sys/ioctl.h>
4683 static int rtc_fd = -1;
4686 enable_rtc_timer (gboolean enable)
4689 flags = fcntl (rtc_fd, F_GETFL);
4691 perror ("getflags");
4698 if (fcntl (rtc_fd, F_SETFL, flags) == -1) {
4699 perror ("setflags");
4706 #ifdef PLATFORM_WIN32
4707 static HANDLE win32_main_thread;
4708 static MMRESULT win32_timer;
4710 static void CALLBACK
4711 win32_time_proc (UINT uID, UINT uMsg, DWORD dwUser, DWORD dw1, DWORD dw2)
4715 context.ContextFlags = CONTEXT_CONTROL;
4716 if (GetThreadContext (win32_main_thread, &context)) {
4718 mono_profiler_stat_hit ((guchar *) context.Rip, &context);
4720 mono_profiler_stat_hit ((guchar *) context.Eip, &context);
4727 setup_stat_profiler (void)
4730 struct itimerval itval;
4731 static int inited = 0;
4732 #ifdef HAVE_LINUX_RTC_H
4733 const char *rtc_freq;
4734 if (!inited && (rtc_freq = g_getenv ("MONO_RTC"))) {
4738 freq = atoi (rtc_freq);
4741 rtc_fd = open ("/dev/rtc", O_RDONLY);
4743 perror ("open /dev/rtc");
4746 add_signal_handler (SIGPROF, sigprof_signal_handler);
4747 if (ioctl (rtc_fd, RTC_IRQP_SET, freq) == -1) {
4748 perror ("set rtc freq");
4751 if (ioctl (rtc_fd, RTC_PIE_ON, 0) == -1) {
4752 perror ("start rtc");
4755 if (fcntl (rtc_fd, F_SETSIG, SIGPROF) == -1) {
4759 if (fcntl (rtc_fd, F_SETOWN, getpid ()) == -1) {
4763 enable_rtc_timer (TRUE);
4770 itval.it_interval.tv_usec = 999;
4771 itval.it_interval.tv_sec = 0;
4772 itval.it_value = itval.it_interval;
4773 setitimer (ITIMER_PROF, &itval, NULL);
4777 add_signal_handler (SIGPROF, sigprof_signal_handler);
4778 #elif defined (PLATFORM_WIN32)
4779 static int inited = 0;
4786 if (timeGetDevCaps (&timecaps, sizeof (timecaps)) != TIMERR_NOERROR)
4789 if ((win32_main_thread = OpenThread (READ_CONTROL | THREAD_GET_CONTEXT, FALSE, GetCurrentThreadId ())) == NULL)
4792 if (timeBeginPeriod (1) != TIMERR_NOERROR)
4795 if ((win32_timer = timeSetEvent (1, 0, win32_time_proc, 0, TIME_PERIODIC)) == 0) {
4802 /* mono_jit_create_remoting_trampoline:
4803 * @method: pointer to the method info
4805 * Creates a trampoline which calls the remoting functions. This
4806 * is used in the vtable of transparent proxies.
4808 * Returns: a pointer to the newly created code
4811 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
4814 guint8 *addr = NULL;
4816 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
4817 return mono_arch_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
4821 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
4822 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
4823 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
4824 addr = mono_compile_method (nm);
4826 addr = mono_compile_method (method);
4828 return mono_get_addr_from_ftnptr (addr);
4831 #ifdef MONO_ARCH_HAVE_IMT
4833 mini_get_imt_trampoline (void)
4835 static gpointer tramp = NULL;
4837 tramp = mono_create_specific_trampoline (MONO_FAKE_IMT_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
4842 #ifdef MONO_ARCH_COMMON_VTABLE_TRAMPOLINE
4844 mini_get_vtable_trampoline (void)
4846 static gpointer tramp = NULL;
4848 tramp = mono_create_specific_trampoline (MONO_FAKE_VTABLE_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
4854 mini_parse_debug_options (void)
4856 char *options = getenv ("MONO_DEBUG");
4857 gchar **args, **ptr;
4862 args = g_strsplit (options, ",", -1);
4864 for (ptr = args; ptr && *ptr; ptr++) {
4865 const char *arg = *ptr;
4867 if (!strcmp (arg, "handle-sigint"))
4868 debug_options.handle_sigint = TRUE;
4869 else if (!strcmp (arg, "keep-delegates"))
4870 debug_options.keep_delegates = TRUE;
4871 else if (!strcmp (arg, "collect-pagefault-stats"))
4872 debug_options.collect_pagefault_stats = TRUE;
4873 else if (!strcmp (arg, "break-on-unverified"))
4874 debug_options.break_on_unverified = TRUE;
4875 else if (!strcmp (arg, "no-gdb-backtrace"))
4876 debug_options.no_gdb_backtrace = TRUE;
4877 else if (!strcmp (arg, "dont-free-domains"))
4878 mono_dont_free_domains = TRUE;
4880 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
4881 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains'\n");
4890 mini_get_debug_options (void)
4892 return &debug_options;
4896 mini_create_jit_domain_info (MonoDomain *domain)
4898 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
4900 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4901 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4902 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4903 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4905 domain->runtime_info = info;
4909 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
4911 g_slist_free (value);
4915 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
4917 MonoJitDynamicMethodInfo *di = value;
4918 mono_code_manager_destroy (di->code_mp);
4923 mini_free_jit_domain_info (MonoDomain *domain)
4925 MonoJitDomainInfo *info = domain_jit_info (domain);
4927 if (info->jump_target_hash) {
4928 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
4929 g_hash_table_destroy (info->jump_target_hash);
4931 if (info->jump_target_got_slot_hash) {
4932 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
4933 g_hash_table_destroy (info->jump_target_got_slot_hash);
4935 if (info->dynamic_code_hash) {
4936 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
4937 g_hash_table_destroy (info->dynamic_code_hash);
4939 if (info->method_code_hash)
4940 g_hash_table_destroy (info->method_code_hash);
4941 g_hash_table_destroy (info->class_init_trampoline_hash);
4942 g_hash_table_destroy (info->jump_trampoline_hash);
4943 g_hash_table_destroy (info->jit_trampoline_hash);
4944 g_hash_table_destroy (info->delegate_trampoline_hash);
4946 g_free (domain->runtime_info);
4947 domain->runtime_info = NULL;
4951 mini_init (const char *filename, const char *runtime_version)
4955 MONO_PROBE_VES_INIT_BEGIN ();
4958 if (access ("/proc/self/maps", F_OK) != 0) {
4959 g_print ("Mono requires /proc to be mounted.\n");
4964 /* Happens when using the embedding interface */
4965 if (!default_opt_set)
4966 default_opt = mono_parse_default_optimizations (NULL);
4968 InitializeCriticalSection (&jit_mutex);
4970 if (!global_codeman)
4971 global_codeman = mono_code_manager_new ();
4972 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
4974 mono_arch_cpu_init ();
4978 mono_trampolines_init ();
4980 if (!g_thread_supported ())
4981 g_thread_init (NULL);
4983 if (getenv ("MONO_DEBUG") != NULL)
4984 mini_parse_debug_options ();
4986 mono_gc_base_init ();
4988 mono_jit_tls_id = TlsAlloc ();
4989 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
4991 if (default_opt & MONO_OPT_AOT)
4994 mono_runtime_install_handlers ();
4995 mono_threads_install_cleanup (mini_thread_cleanup);
4997 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
4998 // This is experimental code so provide an env var to switch it off
4999 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
5000 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
5002 check_for_pending_exc = FALSE;
5003 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
5007 if (getenv ("MONO_XDEBUG"))
5008 enable_xdebug = TRUE;
5010 #define JIT_TRAMPOLINES_WORK
5011 #ifdef JIT_TRAMPOLINES_WORK
5012 mono_install_compile_method (mono_jit_compile_method);
5013 mono_install_free_method (mono_jit_free_method);
5014 mono_install_trampoline (mono_create_jit_trampoline);
5015 mono_install_jump_trampoline (mono_create_jump_trampoline);
5016 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
5017 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
5018 mono_install_create_domain_hook (mini_create_jit_domain_info);
5019 mono_install_free_domain_hook (mini_free_jit_domain_info);
5021 #define JIT_INVOKE_WORKS
5022 #ifdef JIT_INVOKE_WORKS
5023 mono_install_runtime_invoke (mono_jit_runtime_invoke);
5025 mono_install_stack_walk (mono_jit_walk_stack);
5026 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
5027 mono_install_get_class_from_name (mono_aot_get_class_from_name);
5028 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
5030 if (runtime_version)
5031 domain = mono_init_version (filename, runtime_version);
5033 domain = mono_init_from_assembly (filename, filename);
5035 if (mono_aot_only) {
5036 /* The IMT tables are very dynamic thus they are hard to AOT */
5037 mono_use_imt = FALSE;
5038 /* This helps catch code allocation requests */
5039 mono_code_manager_set_read_only (domain->code_mp);
5042 #ifdef MONO_ARCH_HAVE_IMT
5044 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
5045 mono_install_imt_trampoline (mini_get_imt_trampoline ());
5046 #if MONO_ARCH_COMMON_VTABLE_TRAMPOLINE
5047 mono_install_vtable_trampoline (mini_get_vtable_trampoline ());
5052 /* This must come after mono_init () in the aot-only case */
5053 mono_exceptions_init ();
5054 mono_install_handler (mono_get_throw_exception ());
5058 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
5059 ves_icall_get_frame_info);
5060 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
5061 ves_icall_get_trace);
5062 mono_add_internal_call ("System.Exception::get_trace",
5063 ves_icall_System_Exception_get_trace);
5064 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
5065 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
5066 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
5067 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
5068 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
5069 mono_runtime_install_handlers);
5072 create_helper_signature ();
5074 #define JIT_CALLS_WORK
5075 #ifdef JIT_CALLS_WORK
5076 /* Needs to be called here since register_jit_icall depends on it */
5077 mono_marshal_init ();
5079 mono_arch_register_lowlevel_calls ();
5080 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
5081 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
5082 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
5083 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
5084 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
5085 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
5086 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
5088 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
5089 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
5090 register_icall (mono_get_throw_exception_by_name (), "mono_arch_throw_exception_by_name", "void ptr", TRUE);
5091 #if MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION
5092 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
5095 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
5096 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
5097 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
5098 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
5099 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
5102 * NOTE, NOTE, NOTE, NOTE:
5103 * when adding emulation for some opcodes, remember to also add a dummy
5104 * rule to the burg files, because we need the arity information to be correct.
5106 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
5107 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
5108 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
5109 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
5110 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
5111 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
5112 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
5113 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
5116 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
5117 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
5118 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
5119 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
5122 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
5123 mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE);
5124 mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5125 mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE);
5126 mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5127 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
5128 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5129 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
5130 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5133 #ifdef MONO_ARCH_EMULATE_MUL_DIV
5134 mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5135 mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5136 mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE);
5137 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
5138 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5139 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5141 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
5142 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
5145 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
5146 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
5147 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
5148 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
5150 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
5151 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
5153 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
5154 mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5155 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5157 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
5158 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
5160 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
5161 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
5163 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
5164 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
5166 #ifdef MONO_ARCH_EMULATE_FREM
5167 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
5170 #ifdef MONO_ARCH_SOFT_FLOAT
5171 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
5172 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
5173 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
5174 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
5175 mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE);
5176 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
5177 mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE);
5178 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
5179 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
5180 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
5181 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
5182 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
5183 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
5184 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
5186 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
5187 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
5188 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
5189 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
5190 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
5191 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
5192 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
5193 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
5194 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
5195 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
5197 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
5198 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
5199 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
5200 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
5201 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
5203 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
5204 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
5205 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
5208 #if SIZEOF_VOID_P == 4
5209 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
5212 /* other jit icalls */
5213 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
5214 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
5215 "ptr ptr ptr", FALSE);
5216 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
5217 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
5218 "ptr ptr ptr ptr", FALSE);
5219 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
5220 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
5221 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
5222 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
5223 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
5224 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
5225 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
5226 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
5227 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
5228 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
5229 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
5230 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
5231 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
5232 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
5233 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
5234 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
5235 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
5236 register_icall (mono_break, "mono_break", NULL, TRUE);
5237 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
5238 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
5239 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
5240 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
5241 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
5244 mono_generic_sharing_init ();
5246 #ifdef MONO_ARCH_SIMD_INTRINSICS
5247 mono_simd_intrinsics_init ();
5250 if (mono_compile_aot)
5252 * Avoid running managed code when AOT compiling, since the platform
5253 * might only support aot-only execution.
5255 mono_runtime_set_no_exec (TRUE);
5257 #define JIT_RUNTIME_WORKS
5258 #ifdef JIT_RUNTIME_WORKS
5259 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
5260 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
5261 mono_thread_attach (domain);
5264 mono_profiler_runtime_initialized ();
5266 MONO_PROBE_VES_INIT_END ();
5271 MonoJitStats mono_jit_stats = {0};
5274 print_jit_stats (void)
5276 if (mono_jit_stats.enabled) {
5277 g_print ("Mono Jit statistics\n");
5278 g_print ("Compiled methods: %ld\n", mono_jit_stats.methods_compiled);
5279 g_print ("Methods from AOT: %ld\n", mono_jit_stats.methods_aot);
5280 g_print ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups);
5281 g_print ("Method trampolines: %ld\n", mono_jit_stats.method_trampolines);
5282 g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks);
5283 g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks);
5284 g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var);
5285 g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size);
5286 g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size);
5287 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
5288 mono_jit_stats.max_ratio_method);
5289 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
5290 mono_jit_stats.biggest_method);
5291 g_print ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs);
5292 g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size);
5293 g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods);
5294 g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods);
5295 g_print ("Regvars: %ld\n", mono_jit_stats.regvars);
5296 g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size);
5298 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
5299 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
5300 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
5301 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
5302 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
5303 g_print ("Methods: %ld\n", mono_stats.method_count);
5304 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
5305 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
5306 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
5308 g_print ("\nGeneric instances: %ld\n", mono_stats.generic_instance_count);
5309 g_print ("Initialized classes: %ld\n", mono_stats.generic_class_count);
5310 g_print ("Inflated methods: %ld / %ld\n", mono_stats.inflated_method_count_2,
5311 mono_stats.inflated_method_count);
5312 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
5313 g_print ("Generics metadata size: %ld\n", mono_stats.generics_metadata_size);
5314 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
5316 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
5317 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
5318 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
5320 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
5321 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
5322 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
5324 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
5325 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
5326 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
5327 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
5328 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
5329 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
5330 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
5331 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
5333 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
5334 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
5335 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
5337 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
5339 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
5340 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
5341 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
5342 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
5344 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
5345 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
5346 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
5347 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
5348 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
5349 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
5350 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
5353 g_free (mono_jit_stats.max_ratio_method);
5354 mono_jit_stats.max_ratio_method = NULL;
5355 g_free (mono_jit_stats.biggest_method);
5356 mono_jit_stats.biggest_method = NULL;
5361 mini_cleanup (MonoDomain *domain)
5363 #ifdef HAVE_LINUX_RTC_H
5365 enable_rtc_timer (FALSE);
5369 * mono_runtime_cleanup() and mono_domain_finalize () need to
5370 * be called early since they need the execution engine still
5371 * fully working (mono_domain_finalize may invoke managed finalizers
5372 * and mono_runtime_cleanup will wait for other threads to finish).
5374 mono_domain_finalize (domain, 2000);
5376 /* This accesses metadata so needs to be called before runtime shutdown */
5379 mono_runtime_cleanup (domain);
5381 mono_profiler_shutdown ();
5383 mono_icall_cleanup ();
5385 mono_runtime_cleanup_handlers ();
5387 mono_domain_free (domain, TRUE);
5389 mono_debugger_cleanup ();
5391 mono_trampolines_cleanup ();
5393 if (!mono_dont_free_global_codeman)
5394 mono_code_manager_destroy (global_codeman);
5395 g_hash_table_destroy (jit_icall_name_hash);
5396 g_free (emul_opcode_map);
5398 mono_arch_cleanup ();
5402 mono_trace_cleanup ();
5404 mono_counters_dump (-1, stdout);
5406 if (mono_inject_async_exc_method)
5407 mono_method_desc_free (mono_inject_async_exc_method);
5409 TlsFree(mono_jit_tls_id);
5411 DeleteCriticalSection (&jit_mutex);
5413 DeleteCriticalSection (&mono_delegate_section);
5417 mono_set_defaults (int verbose_level, guint32 opts)
5419 mini_verbose = verbose_level;
5421 default_opt_set = TRUE;
5425 * mono_get_runtime_build_info:
5427 * Return the runtime version + build date in string format.
5428 * The returned string is owned by the caller.
5431 mono_get_runtime_build_info (void)
5433 if (mono_build_date)
5434 return g_strdup_printf ("%s %s", FULL_VERSION, mono_build_date);
5436 return g_strdup_printf ("%s", FULL_VERSION);
5440 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
5442 GHashTable *assemblies = (GHashTable*)user_data;
5443 MonoImage *image = mono_assembly_get_image (ass);
5444 MonoMethod *method, *invoke;
5447 if (g_hash_table_lookup (assemblies, ass))
5450 g_hash_table_insert (assemblies, ass, ass);
5452 if (mini_verbose > 0)
5453 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
5455 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
5456 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
5457 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
5461 if (mini_verbose > 1) {
5462 char * desc = mono_method_full_name (method, TRUE);
5463 g_print ("Compiling %d %s\n", count, desc);
5466 mono_compile_method (method);
5467 if (strcmp (method->name, "Finalize") == 0) {
5468 invoke = mono_marshal_get_runtime_invoke (method);
5469 mono_compile_method (invoke);
5471 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
5472 invoke = mono_marshal_get_remoting_invoke_with_check (method);
5473 mono_compile_method (invoke);
5477 /* Load and precompile referenced assemblies as well */
5478 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
5479 mono_assembly_load_reference (image, i);
5480 if (image->references [i])
5481 mono_precompile_assembly (image->references [i], assemblies);
5485 void mono_precompile_assemblies ()
5487 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
5489 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
5491 g_hash_table_destroy (assemblies);