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 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
117 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
118 static CRITICAL_SECTION jit_mutex;
120 static MonoCodeManager *global_codeman = NULL;
122 /* FIXME: Make this static again */
123 GHashTable *jit_icall_name_hash = NULL;
125 static MonoDebugOptions debug_options;
127 #ifdef VALGRIND_JIT_REGISTER_MAP
128 static int valgrind_register = 0;
132 * Table written to by the debugger with a 1-based index into the
133 * mono_breakpoint_info table, which contains changes made to
134 * the JIT instructions by the debugger.
137 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
139 /* Whenever to check for pending exceptions in managed-to-native wrappers */
140 gboolean check_for_pending_exc = TRUE;
142 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
143 gboolean disable_vtypes_in_regs = FALSE;
145 gboolean mono_dont_free_global_codeman;
148 mono_running_on_valgrind (void)
150 #ifdef HAVE_VALGRIND_MEMCHECK_H
151 if (RUNNING_ON_VALGRIND){
152 #ifdef VALGRIND_JIT_REGISTER_MAP
153 valgrind_register = TRUE;
169 find_tramp (gpointer key, gpointer value, gpointer user_data)
171 FindTrampUserData *ud = (FindTrampUserData*)user_data;
174 ud->method = (MonoMethod*)key;
178 G_GNUC_UNUSED static char*
179 get_method_from_ip (void *ip)
184 MonoDomain *domain = mono_domain_get ();
185 MonoDebugSourceLocation *location;
186 FindTrampUserData user_data;
188 ji = mono_jit_info_table_find (domain, ip);
191 user_data.method = NULL;
192 mono_domain_lock (domain);
193 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
194 mono_domain_unlock (domain);
195 if (user_data.method) {
196 char *mname = mono_method_full_name (user_data.method, TRUE);
197 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
204 method = mono_method_full_name (ji->method, TRUE);
205 /* FIXME: unused ? */
206 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
208 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);
210 mono_debug_free_source_location (location);
218 * @ip: an instruction pointer address
220 * This method is used from a debugger to get the name of the
221 * method at address @ip. This routine is typically invoked from
222 * a debugger like this:
224 * (gdb) print mono_pmip ($pc)
226 * Returns: the name of the method at address @ip.
231 return get_method_from_ip (ip);
235 * mono_print_method_from_ip
236 * @ip: an instruction pointer address
238 * This method is used from a debugger to get the name of the
239 * method at address @ip.
241 * This prints the name of the method at address @ip in the standard
242 * output. Unlike mono_pmip which returns a string, this routine
243 * prints the value on the standard output.
246 mono_print_method_from_ip (void *ip)
250 MonoDebugSourceLocation *source;
251 MonoDomain *domain = mono_domain_get ();
252 FindTrampUserData user_data;
254 ji = mono_jit_info_table_find (domain, ip);
257 user_data.method = NULL;
258 mono_domain_lock (domain);
259 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
260 mono_domain_unlock (domain);
261 if (user_data.method) {
262 char *mname = mono_method_full_name (user_data.method, TRUE);
263 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
267 g_print ("No method at %p\n", ip);
270 method = mono_method_full_name (ji->method, TRUE);
271 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
273 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);
276 g_print ("%s:%d\n", source->source_file, source->row);
278 mono_debug_free_source_location (source);
283 * mono_method_same_domain:
285 * Determine whenever two compiled methods are in the same domain, thus
286 * the address of the callee can be embedded in the caller.
288 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
290 if (!caller || !callee)
294 * If the call was made from domain-neutral to domain-specific
295 * code, we can't patch the call site.
297 if (caller->domain_neutral && !callee->domain_neutral)
300 if ((caller->method->klass == mono_defaults.appdomain_class) &&
301 (strstr (caller->method->name, "InvokeInDomain"))) {
302 /* The InvokeInDomain methods change the current appdomain */
310 * mono_global_codeman_reserve:
312 * Allocate code memory from the global code manager.
314 void *mono_global_codeman_reserve (int size)
319 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
321 if (!global_codeman) {
322 /* This can happen during startup */
323 global_codeman = mono_code_manager_new ();
324 return mono_code_manager_reserve (global_codeman, size);
328 ptr = mono_code_manager_reserve (global_codeman, size);
335 * mono_create_unwind_op:
337 * Create an unwind op with the given parameters.
340 mono_create_unwind_op (int when, int tag, int reg, int val)
342 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
353 * mono_emit_unwind_op:
355 * Add an unwind op with the given parameters for the list of unwind ops stored in
359 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
361 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
368 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
372 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
374 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
377 res->has_context = context != NULL;
379 memcpy (&res->context, context, sizeof (MonoGenericContext));
385 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
387 return mono_jump_info_token_new2 (mp, image, token, NULL);
390 #define MONO_INIT_VARINFO(vi,id) do { \
391 (vi)->range.first_use.pos.bid = 0xffff; \
397 * mono_unlink_bblock:
399 * Unlink two basic blocks.
402 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
408 for (i = 0; i < from->out_count; ++i) {
409 if (to == from->out_bb [i]) {
416 for (i = 0; i < from->out_count; ++i) {
417 if (from->out_bb [i] != to)
418 from->out_bb [pos ++] = from->out_bb [i];
420 g_assert (pos == from->out_count - 1);
425 for (i = 0; i < to->in_count; ++i) {
426 if (from == to->in_bb [i]) {
433 for (i = 0; i < to->in_count; ++i) {
434 if (to->in_bb [i] != from)
435 to->in_bb [pos ++] = to->in_bb [i];
437 g_assert (pos == to->in_count - 1);
443 * mono_bblocks_linked:
445 * Return whenever BB1 and BB2 are linked in the CFG.
448 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
452 for (i = 0; i < bb1->out_count; ++i) {
453 if (bb1->out_bb [i] == bb2)
461 mono_find_spvar_for_region (MonoCompile *cfg, int region)
463 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
467 mono_find_exvar_for_offset (MonoCompile *cfg, int offset)
469 return g_hash_table_lookup (cfg->exvars, GINT_TO_POINTER (offset));
473 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
477 array [*dfn] = start;
478 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
479 for (i = 0; i < start->out_count; ++i) {
480 if (start->out_bb [i]->dfn)
483 start->out_bb [i]->dfn = *dfn;
484 start->out_bb [i]->df_parent = start;
485 array [*dfn] = start->out_bb [i];
486 df_visit (start->out_bb [i], dfn, array);
491 mono_reverse_branch_op (guint32 opcode)
493 static const int reverse_map [] = {
494 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
495 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
497 static const int reverse_fmap [] = {
498 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
499 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
501 static const int reverse_lmap [] = {
502 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
503 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
505 static const int reverse_imap [] = {
506 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
507 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
510 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
511 opcode = reverse_map [opcode - CEE_BEQ];
512 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
513 opcode = reverse_fmap [opcode - OP_FBEQ];
514 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
515 opcode = reverse_lmap [opcode - OP_LBEQ];
516 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
517 opcode = reverse_imap [opcode - OP_IBEQ];
519 g_assert_not_reached ();
525 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
528 return OP_STORE_MEMBASE_REG;
531 switch (type->type) {
534 case MONO_TYPE_BOOLEAN:
535 return OP_STOREI1_MEMBASE_REG;
539 return OP_STOREI2_MEMBASE_REG;
542 return OP_STOREI4_MEMBASE_REG;
546 case MONO_TYPE_FNPTR:
547 return OP_STORE_MEMBASE_REG;
548 case MONO_TYPE_CLASS:
549 case MONO_TYPE_STRING:
550 case MONO_TYPE_OBJECT:
551 case MONO_TYPE_SZARRAY:
552 case MONO_TYPE_ARRAY:
553 return OP_STORE_MEMBASE_REG;
556 return OP_STOREI8_MEMBASE_REG;
558 return OP_STORER4_MEMBASE_REG;
560 return OP_STORER8_MEMBASE_REG;
561 case MONO_TYPE_VALUETYPE:
562 if (type->data.klass->enumtype) {
563 type = type->data.klass->enum_basetype;
566 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
567 return OP_STOREX_MEMBASE;
568 return OP_STOREV_MEMBASE;
569 case MONO_TYPE_TYPEDBYREF:
570 return OP_STOREV_MEMBASE;
571 case MONO_TYPE_GENERICINST:
572 type = &type->data.generic_class->container_class->byval_arg;
576 /* FIXME: all the arguments must be references for now,
577 * later look inside cfg and see if the arg num is
580 g_assert (cfg->generic_sharing_context);
581 return OP_STORE_MEMBASE_REG;
583 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
589 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
592 return OP_LOAD_MEMBASE;
594 switch (mono_type_get_underlying_type (type)->type) {
596 return OP_LOADI1_MEMBASE;
598 case MONO_TYPE_BOOLEAN:
599 return OP_LOADU1_MEMBASE;
601 return OP_LOADI2_MEMBASE;
604 return OP_LOADU2_MEMBASE;
606 return OP_LOADI4_MEMBASE;
608 return OP_LOADU4_MEMBASE;
612 case MONO_TYPE_FNPTR:
613 return OP_LOAD_MEMBASE;
614 case MONO_TYPE_CLASS:
615 case MONO_TYPE_STRING:
616 case MONO_TYPE_OBJECT:
617 case MONO_TYPE_SZARRAY:
618 case MONO_TYPE_ARRAY:
619 return OP_LOAD_MEMBASE;
622 return OP_LOADI8_MEMBASE;
624 return OP_LOADR4_MEMBASE;
626 return OP_LOADR8_MEMBASE;
627 case MONO_TYPE_VALUETYPE:
628 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
629 return OP_LOADX_MEMBASE;
630 case MONO_TYPE_TYPEDBYREF:
631 return OP_LOADV_MEMBASE;
632 case MONO_TYPE_GENERICINST:
633 if (mono_type_generic_inst_is_valuetype (type))
634 return OP_LOADV_MEMBASE;
636 return OP_LOAD_MEMBASE;
640 /* FIXME: all the arguments must be references for now,
641 * later look inside cfg and see if the arg num is
644 g_assert (cfg->generic_sharing_context);
645 return OP_LOAD_MEMBASE;
647 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
653 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
655 if (cfg->generic_sharing_context && !type->byref) {
656 /* FIXME: all the arguments must be references for now,
657 * later look inside cfg and see if the arg num is
660 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
661 return CEE_LDIND_REF;
663 return mono_type_to_ldind (type);
667 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
669 if (cfg->generic_sharing_context && !type->byref) {
670 /* FIXME: all the arguments must be references for now,
671 * later look inside cfg and see if the arg num is
674 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
675 return CEE_STIND_REF;
677 return mono_type_to_stind (type);
681 mono_op_imm_to_op (int opcode)
685 #if SIZEOF_REGISTER == 4
701 #if SIZEOF_REGISTER == 4
739 #if SIZEOF_REGISTER == 4
745 #if SIZEOF_REGISTER == 4
764 case OP_ICOMPARE_IMM:
766 case OP_LOCALLOC_IMM:
769 printf ("%s\n", mono_inst_name (opcode));
770 g_assert_not_reached ();
776 * mono_decompose_op_imm:
778 * Replace the OP_.._IMM INS with its non IMM variant.
781 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
785 MONO_INST_NEW (cfg, temp, OP_ICONST);
786 temp->inst_c0 = ins->inst_imm;
787 temp->dreg = mono_alloc_ireg (cfg);
788 mono_bblock_insert_before_ins (bb, ins, temp);
789 ins->opcode = mono_op_imm_to_op (ins->opcode);
790 if (ins->opcode == OP_LOCALLOC)
791 ins->sreg1 = temp->dreg;
793 ins->sreg2 = temp->dreg;
795 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
799 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
801 if (vreg >= cfg->vreg_to_inst_len) {
802 MonoInst **tmp = cfg->vreg_to_inst;
803 int size = cfg->vreg_to_inst_len;
805 while (vreg >= cfg->vreg_to_inst_len)
806 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
807 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
809 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
811 cfg->vreg_to_inst [vreg] = inst;
814 #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)))
815 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
818 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
821 int num = cfg->num_varinfo;
824 if ((num + 1) >= cfg->varinfo_count) {
825 int orig_count = cfg->varinfo_count;
826 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
827 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
828 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
829 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
832 mono_jit_stats.allocate_var++;
834 MONO_INST_NEW (cfg, inst, opcode);
836 inst->inst_vtype = type;
837 inst->klass = mono_class_from_mono_type (type);
838 type_to_eval_stack_type (cfg, type, inst);
839 /* if set to 1 the variable is native */
840 inst->backend.is_pinvoke = 0;
843 cfg->varinfo [num] = inst;
845 MONO_INIT_VARINFO (&cfg->vars [num], num);
848 set_vreg_to_inst (cfg, vreg, inst);
850 #if SIZEOF_REGISTER == 4
851 #ifdef MONO_ARCH_SOFT_FLOAT
852 regpair = mono_type_is_long (type) || mono_type_is_float (type);
854 regpair = mono_type_is_long (type);
864 * These two cannot be allocated using create_var_for_vreg since that would
865 * put it into the cfg->varinfo array, confusing many parts of the JIT.
869 * Set flags to VOLATILE so SSA skips it.
872 if (cfg->verbose_level >= 4) {
873 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
876 #ifdef MONO_ARCH_SOFT_FLOAT
877 if (cfg->opt & MONO_OPT_SSA) {
878 if (mono_type_is_float (type))
879 inst->flags = MONO_INST_VOLATILE;
883 /* Allocate a dummy MonoInst for the first vreg */
884 MONO_INST_NEW (cfg, tree, OP_LOCAL);
885 tree->dreg = inst->dreg + 1;
886 if (cfg->opt & MONO_OPT_SSA)
887 tree->flags = MONO_INST_VOLATILE;
889 tree->type = STACK_I4;
890 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
891 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
893 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
895 /* Allocate a dummy MonoInst for the second vreg */
896 MONO_INST_NEW (cfg, tree, OP_LOCAL);
897 tree->dreg = inst->dreg + 2;
898 if (cfg->opt & MONO_OPT_SSA)
899 tree->flags = MONO_INST_VOLATILE;
901 tree->type = STACK_I4;
902 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
903 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
905 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
909 if (cfg->verbose_level > 2)
910 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
915 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
919 if (mono_type_is_long (type))
920 dreg = mono_alloc_dreg (cfg, STACK_I8);
921 #ifdef MONO_ARCH_SOFT_FLOAT
922 else if (mono_type_is_float (type))
923 dreg = mono_alloc_dreg (cfg, STACK_R8);
926 /* All the others are unified */
927 dreg = mono_alloc_preg (cfg);
929 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
933 * Transform a MonoInst into a load from the variable of index var_index.
936 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
937 memset (dest, 0, sizeof (MonoInst));
938 dest->ssa_op = MONO_SSA_LOAD;
939 dest->inst_i0 = cfg->varinfo [var_index];
940 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
941 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
942 dest->klass = dest->inst_i0->klass;
946 type_from_stack_type (MonoInst *ins) {
948 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
949 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
950 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
951 case STACK_R8: return &mono_defaults.double_class->byval_arg;
954 * this if used to be commented without any specific reason, but
955 * it breaks #80235 when commented
958 return &ins->klass->this_arg;
960 return &mono_defaults.object_class->this_arg;
962 /* ins->klass may not be set for ldnull.
963 * Also, if we have a boxed valuetype, we want an object lass,
964 * not the valuetype class
966 if (ins->klass && !ins->klass->valuetype)
967 return &ins->klass->byval_arg;
968 return &mono_defaults.object_class->byval_arg;
969 case STACK_VTYPE: return &ins->klass->byval_arg;
971 g_error ("stack type %d to montype not handled\n", ins->type);
977 mono_type_from_stack_type (MonoInst *ins) {
978 return type_from_stack_type (ins);
982 * mono_add_ins_to_end:
984 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
987 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
992 MONO_ADD_INS (bb, inst);
996 switch (bb->last_ins->opcode) {
1010 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1013 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1014 /* Need to insert the ins before the compare */
1015 if (bb->code == bb->last_ins) {
1016 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1020 if (bb->code->next == bb->last_ins) {
1021 /* Only two instructions */
1022 opcode = bb->code->opcode;
1024 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)) {
1026 mono_bblock_insert_before_ins (bb, bb->code, inst);
1028 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1031 opcode = bb->last_ins->prev->opcode;
1033 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)) {
1035 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1037 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1042 MONO_ADD_INS (bb, inst);
1048 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1050 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1051 MonoJumpInfoBBTable *table;
1053 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1055 table->table_size = num_blocks;
1057 ji->ip.label = label;
1058 ji->type = MONO_PATCH_INFO_SWITCH;
1059 ji->data.table = table;
1060 ji->next = cfg->patch_info;
1061 cfg->patch_info = ji;
1064 static MonoMethodSignature *
1065 mono_get_array_new_va_signature (int arity)
1067 static GHashTable *sighash = NULL;
1068 MonoMethodSignature *res;
1073 sighash = g_hash_table_new (NULL, NULL);
1075 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1080 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1083 #ifdef MONO_ARCH_VARARG_ICALLS
1084 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1085 res->call_convention = MONO_CALL_VARARG;
1088 #ifdef PLATFORM_WIN32
1089 res->call_convention = MONO_CALL_C;
1092 res->params [0] = &mono_defaults.int_class->byval_arg;
1093 for (i = 0; i < arity; i++)
1094 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1096 res->ret = &mono_defaults.object_class->byval_arg;
1098 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1105 mono_get_array_new_va_icall (int rank)
1107 MonoMethodSignature *esig;
1108 char icall_name [256];
1110 MonoJitICallInfo *info;
1112 /* Need to register the icall so it gets an icall wrapper */
1113 sprintf (icall_name, "ves_array_new_va_%d", rank);
1116 info = mono_find_jit_icall_by_name (icall_name);
1118 esig = mono_get_array_new_va_signature (rank);
1119 name = g_strdup (icall_name);
1120 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1122 g_hash_table_insert (jit_icall_name_hash, name, name);
1130 mini_class_is_system_array (MonoClass *klass)
1132 if (klass->parent == mono_defaults.array_class)
1138 static MonoJitICallInfo **emul_opcode_map = NULL;
1141 mono_find_jit_opcode_emulation (int opcode)
1143 g_assert (opcode >= 0 && opcode <= OP_LAST);
1144 if (emul_opcode_map)
1145 return emul_opcode_map [opcode];
1151 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1153 MonoAssembly *assembly = method->klass->image->assembly;
1154 if (method->wrapper_type != MONO_WRAPPER_NONE)
1156 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1158 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1160 return mono_assembly_has_skip_verification (assembly);
1164 * mini_method_verify:
1166 * Verify the method using the new verfier.
1168 * Returns true if the method is invalid.
1171 mini_method_verify (MonoCompile *cfg, MonoMethod *method)
1174 gboolean is_fulltrust;
1175 MonoLoaderError *error;
1177 if (method->verification_success)
1180 is_fulltrust = mono_verifier_is_method_full_trust (method);
1182 if (!mono_verifier_is_enabled_for_method (method))
1185 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility);
1187 if ((error = mono_loader_get_last_error ())) {
1188 cfg->exception_type = error->exception_type;
1190 mono_free_verify_list (res);
1195 for (tmp = res; tmp; tmp = tmp->next) {
1196 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1197 if (info->info.status == MONO_VERIFY_ERROR) {
1198 cfg->exception_type = info->exception_type;
1199 cfg->exception_message = g_strdup (info->info.message);
1200 mono_free_verify_list (res);
1203 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && !is_fulltrust) {
1204 cfg->exception_type = info->exception_type;
1205 cfg->exception_message = g_strdup (info->info.message);
1206 mono_free_verify_list (res);
1210 mono_free_verify_list (res);
1212 method->verification_success = 1;
1217 create_helper_signature (void)
1219 helper_sig_domain_get = mono_create_icall_signature ("ptr");
1220 helper_sig_class_init_trampoline = mono_create_icall_signature ("void");
1221 helper_sig_generic_class_init_trampoline = mono_create_icall_signature ("void");
1222 helper_sig_rgctx_lazy_fetch_trampoline = mono_create_icall_signature ("ptr ptr");
1223 helper_sig_monitor_enter_exit_trampoline = mono_create_icall_signature ("void");
1226 static gconstpointer
1227 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1230 MonoMethod *wrapper;
1231 gconstpointer trampoline;
1232 MonoDomain *domain = mono_get_root_domain ();
1234 if (callinfo->wrapper) {
1235 return callinfo->wrapper;
1238 if (callinfo->trampoline)
1239 return callinfo->trampoline;
1242 * We use the lock on the root domain instead of the JIT lock to protect
1243 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1245 mono_domain_lock (domain);
1247 if (callinfo->trampoline) {
1248 mono_domain_unlock (domain);
1249 return callinfo->trampoline;
1252 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1253 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1257 trampoline = mono_compile_method (wrapper);
1259 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1260 mono_register_jit_icall_wrapper (callinfo, trampoline);
1262 callinfo->trampoline = trampoline;
1264 mono_domain_unlock (domain);
1266 return callinfo->trampoline;
1270 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1272 return mono_icall_get_wrapper_full (callinfo, FALSE);
1276 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1278 if (!domain_jit_info (domain)->dynamic_code_hash)
1279 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1280 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1283 static MonoJitDynamicMethodInfo*
1284 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1286 MonoJitDynamicMethodInfo *res;
1288 if (domain_jit_info (domain)->dynamic_code_hash)
1289 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1297 GList *active, *inactive;
1302 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1304 MonoMethodVar *v1 = (MonoMethodVar*)a;
1305 MonoMethodVar *v2 = (MonoMethodVar*)b;
1309 else if (v1->interval->range && v2->interval->range)
1310 return v1->interval->range->from - v2->interval->range->from;
1311 else if (v1->interval->range)
1320 #define LSCAN_DEBUG(a) do { a; } while (0)
1322 #define LSCAN_DEBUG(a)
1326 mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1328 int i, slot, offset, size;
1333 GList *vars = NULL, *l, *unhandled;
1334 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1338 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1340 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1341 vtype_stack_slots = NULL;
1344 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1345 for (i = 0; i < cfg->num_varinfo; ++i)
1348 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1349 inst = cfg->varinfo [i];
1350 vmv = MONO_VARINFO (cfg, i);
1352 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1355 vars = g_list_prepend (vars, vmv);
1358 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1363 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1364 MonoMethodVar *current = unhandled->data;
1366 if (current->interval->range) {
1367 g_assert (current->interval->range->from >= i);
1368 i = current->interval->range->from;
1375 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1376 MonoMethodVar *current = unhandled->data;
1379 inst = cfg->varinfo [vmv->idx];
1381 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1382 * pinvoke wrappers when they call functions returning structures */
1383 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1384 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1389 size = mono_type_size (inst->inst_vtype, &ialign);
1393 t = mono_type_get_underlying_type (inst->inst_vtype);
1395 case MONO_TYPE_GENERICINST:
1396 if (!mono_type_generic_inst_is_valuetype (t)) {
1397 slot_info = &scalar_stack_slots [t->type];
1401 case MONO_TYPE_VALUETYPE:
1402 if (!vtype_stack_slots)
1403 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1404 for (i = 0; i < nvtypes; ++i)
1405 if (t->data.klass == vtype_stack_slots [i].vtype)
1408 slot_info = &vtype_stack_slots [i];
1410 g_assert (nvtypes < 256);
1411 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1412 slot_info = &vtype_stack_slots [nvtypes];
1416 case MONO_TYPE_CLASS:
1417 case MONO_TYPE_OBJECT:
1418 case MONO_TYPE_ARRAY:
1419 case MONO_TYPE_SZARRAY:
1420 case MONO_TYPE_STRING:
1424 #if SIZEOF_REGISTER == 4
1428 /* Share non-float stack slots of the same size */
1429 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1433 slot_info = &scalar_stack_slots [t->type];
1437 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1441 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1443 if (!current->interval->range) {
1444 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1448 inst->flags |= MONO_INST_IS_DEAD;
1453 pos = current->interval->range->from;
1455 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1456 if (current->interval->range)
1457 LSCAN_DEBUG (mono_linterval_print (current->interval));
1458 LSCAN_DEBUG (printf ("\n"));
1460 /* Check for intervals in active which expired or inactive */
1462 /* FIXME: Optimize this */
1465 for (l = slot_info->active; l != NULL; l = l->next) {
1466 MonoMethodVar *v = (MonoMethodVar*)l->data;
1468 if (v->interval->last_range->to < pos) {
1469 slot_info->active = g_list_delete_link (slot_info->active, l);
1470 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1471 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1475 else if (!mono_linterval_covers (v->interval, pos)) {
1476 slot_info->inactive = g_list_append (slot_info->inactive, v);
1477 slot_info->active = g_list_delete_link (slot_info->active, l);
1478 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1485 /* Check for intervals in inactive which expired or active */
1487 /* FIXME: Optimize this */
1490 for (l = slot_info->inactive; l != NULL; l = l->next) {
1491 MonoMethodVar *v = (MonoMethodVar*)l->data;
1493 if (v->interval->last_range->to < pos) {
1494 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1495 // FIXME: Enabling this seems to cause impossible to debug crashes
1496 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1497 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1501 else if (mono_linterval_covers (v->interval, pos)) {
1502 slot_info->active = g_list_append (slot_info->active, v);
1503 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1504 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1512 * This also handles the case when the variable is used in an
1513 * exception region, as liveness info is not computed there.
1516 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1519 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1520 if (slot_info->slots) {
1521 slot = GPOINTER_TO_INT (slot_info->slots->data);
1523 slot_info->slots = slot_info->slots->next;
1526 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1528 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1534 static int count = 0;
1537 if (count == atoi (getenv ("COUNT3")))
1538 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1539 if (count > atoi (getenv ("COUNT3")))
1542 mono_print_ins (inst);
1547 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1549 if (slot == 0xffffff) {
1551 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1552 * efficient copying (and to work around the fact that OP_MEMCPY
1553 * and OP_MEMSET ignores alignment).
1555 if (MONO_TYPE_ISSTRUCT (t))
1556 align = MAX (sizeof (gpointer), mono_class_min_align (mono_class_from_mono_type (t)));
1560 offset += align - 1;
1561 offset &= ~(align - 1);
1565 offset += align - 1;
1566 offset &= ~(align - 1);
1571 if (*stack_align == 0)
1572 *stack_align = align;
1575 offsets [vmv->idx] = slot;
1578 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1579 if (scalar_stack_slots [i].active)
1580 g_list_free (scalar_stack_slots [i].active);
1582 for (i = 0; i < nvtypes; ++i) {
1583 if (vtype_stack_slots [i].active)
1584 g_list_free (vtype_stack_slots [i].active);
1587 mono_jit_stats.locals_stack_size += offset;
1589 *stack_size = offset;
1594 * mono_allocate_stack_slots_full:
1596 * Allocate stack slots for all non register allocated variables using a
1597 * linear scan algorithm.
1598 * Returns: an array of stack offsets.
1599 * STACK_SIZE is set to the amount of stack space needed.
1600 * STACK_ALIGN is set to the alignment needed by the locals area.
1603 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1605 int i, slot, offset, size;
1610 GList *vars = NULL, *l;
1611 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1615 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1616 return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
1618 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1619 vtype_stack_slots = NULL;
1622 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1623 for (i = 0; i < cfg->num_varinfo; ++i)
1626 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1627 inst = cfg->varinfo [i];
1628 vmv = MONO_VARINFO (cfg, i);
1630 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1633 vars = g_list_prepend (vars, vmv);
1636 vars = mono_varlist_sort (cfg, vars, 0);
1638 *stack_align = sizeof (gpointer);
1639 for (l = vars; l; l = l->next) {
1641 inst = cfg->varinfo [vmv->idx];
1643 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1644 * pinvoke wrappers when they call functions returning structures */
1645 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1646 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1650 size = mono_type_size (inst->inst_vtype, &ialign);
1654 t = mono_type_get_underlying_type (inst->inst_vtype);
1656 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1659 case MONO_TYPE_GENERICINST:
1660 if (!mono_type_generic_inst_is_valuetype (t)) {
1661 slot_info = &scalar_stack_slots [t->type];
1665 case MONO_TYPE_VALUETYPE:
1666 if (!vtype_stack_slots)
1667 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1668 for (i = 0; i < nvtypes; ++i)
1669 if (t->data.klass == vtype_stack_slots [i].vtype)
1672 slot_info = &vtype_stack_slots [i];
1674 g_assert (nvtypes < 256);
1675 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1676 slot_info = &vtype_stack_slots [nvtypes];
1680 case MONO_TYPE_CLASS:
1681 case MONO_TYPE_OBJECT:
1682 case MONO_TYPE_ARRAY:
1683 case MONO_TYPE_SZARRAY:
1684 case MONO_TYPE_STRING:
1688 #if SIZEOF_REGISTER == 4
1693 /* Share non-float stack slots of the same size */
1694 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1697 slot_info = &scalar_stack_slots [t->type];
1702 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1703 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1705 /* expire old intervals in active */
1706 while (slot_info->active) {
1707 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
1709 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
1712 //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);
1714 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
1715 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
1719 * This also handles the case when the variable is used in an
1720 * exception region, as liveness info is not computed there.
1723 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1726 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1727 if (slot_info->slots) {
1728 slot = GPOINTER_TO_INT (slot_info->slots->data);
1730 slot_info->slots = slot_info->slots->next;
1733 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1738 static int count = 0;
1742 if (count == atoi (getenv ("COUNT")))
1743 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1744 if (count > atoi (getenv ("COUNT")))
1747 mono_print_ins (inst);
1752 if (cfg->disable_reuse_stack_slots)
1755 if (slot == 0xffffff) {
1757 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1758 * efficient copying (and to work around the fact that OP_MEMCPY
1759 * and OP_MEMSET ignores alignment).
1761 if (MONO_TYPE_ISSTRUCT (t)) {
1762 align = MAX (sizeof (gpointer), mono_class_min_align (mono_class_from_mono_type (t)));
1764 * Align the size too so the code generated for passing vtypes in
1765 * registers doesn't overwrite random locals.
1767 size = (size + (align - 1)) & ~(align -1);
1772 offset += align - 1;
1773 offset &= ~(align - 1);
1777 offset += align - 1;
1778 offset &= ~(align - 1);
1783 *stack_align = MAX (*stack_align, align);
1786 offsets [vmv->idx] = slot;
1789 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1790 if (scalar_stack_slots [i].active)
1791 g_list_free (scalar_stack_slots [i].active);
1793 for (i = 0; i < nvtypes; ++i) {
1794 if (vtype_stack_slots [i].active)
1795 g_list_free (vtype_stack_slots [i].active);
1798 mono_jit_stats.locals_stack_size += offset;
1800 *stack_size = offset;
1805 mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align)
1807 return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align);
1813 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1815 g_assert_not_reached ();
1819 #endif /* DISABLE_JIT */
1822 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
1824 MonoJitICallInfo *info;
1825 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
1827 if (!emul_opcode_map)
1828 emul_opcode_map = g_new0 (MonoJitICallInfo*, OP_LAST + 1);
1830 g_assert (!sig->hasthis);
1831 g_assert (sig->param_count < 3);
1833 info = mono_register_jit_icall (func, name, sig, no_throw);
1835 emul_opcode_map [opcode] = info;
1839 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
1841 MonoMethodSignature *sig;
1844 sig = mono_create_icall_signature (sigstr);
1848 mono_register_jit_icall (func, name, sig, save);
1852 print_dfn (MonoCompile *cfg) {
1858 g_print ("IR code for method %s\n", mono_method_full_name (cfg->method, TRUE));
1860 for (i = 0; i < cfg->num_bblocks; ++i) {
1861 bb = cfg->bblocks [i];
1862 /*if (bb->cil_code) {
1863 char* code1, *code2;
1864 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
1865 if (bb->last_ins->cil_code)
1866 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
1868 code2 = g_strdup ("");
1870 code1 [strlen (code1) - 1] = 0;
1871 code = g_strdup_printf ("%s -> %s", code1, code2);
1875 code = g_strdup ("\n");
1876 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
1877 MONO_BB_FOR_EACH_INS (bb, c) {
1878 mono_print_ins_index (-1, c);
1881 g_print ("\tprev:");
1882 for (j = 0; j < bb->in_count; ++j) {
1883 g_print (" BB%d", bb->in_bb [j]->block_num);
1885 g_print ("\t\tsucc:");
1886 for (j = 0; j < bb->out_count; ++j) {
1887 g_print (" BB%d", bb->out_bb [j]->block_num);
1889 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
1892 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
1895 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
1897 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
1905 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
1907 MONO_ADD_INS (bb, inst);
1911 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
1915 bb->code = ins_to_insert;
1917 /* Link with next */
1918 ins_to_insert->next = ins;
1920 ins->prev = ins_to_insert;
1922 if (bb->last_ins == NULL)
1923 bb->last_ins = ins_to_insert;
1925 /* Link with next */
1926 ins_to_insert->next = ins->next;
1928 ins->next->prev = ins_to_insert;
1930 /* Link with previous */
1931 ins->next = ins_to_insert;
1932 ins_to_insert->prev = ins;
1934 if (bb->last_ins == ins)
1935 bb->last_ins = ins_to_insert;
1940 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
1944 bb->code = ins_to_insert;
1945 ins_to_insert->next = ins;
1946 if (bb->last_ins == NULL)
1947 bb->last_ins = ins_to_insert;
1949 /* Link with previous */
1951 ins->prev->next = ins_to_insert;
1952 ins_to_insert->prev = ins->prev;
1954 /* Link with next */
1955 ins->prev = ins_to_insert;
1956 ins_to_insert->next = ins;
1958 if (bb->code == ins)
1959 bb->code = ins_to_insert;
1964 * mono_verify_bblock:
1966 * Verify that the next and prev pointers are consistent inside the instructions in BB.
1969 mono_verify_bblock (MonoBasicBlock *bb)
1971 MonoInst *ins, *prev;
1974 for (ins = bb->code; ins; ins = ins->next) {
1975 g_assert (ins->prev == prev);
1979 g_assert (!bb->last_ins->next);
1985 * Perform consistency checks on the JIT data structures and the IR
1988 mono_verify_cfg (MonoCompile *cfg)
1992 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
1993 mono_verify_bblock (bb);
1997 mono_destroy_compile (MonoCompile *cfg)
1999 //mono_mempool_stats (cfg->mempool);
2000 mono_free_loop_info (cfg);
2002 mono_regstate_free (cfg->rs);
2004 g_hash_table_destroy (cfg->spvars);
2006 g_hash_table_destroy (cfg->exvars);
2007 mono_mempool_destroy (cfg->mempool);
2008 g_list_free (cfg->ldstr_list);
2009 g_hash_table_destroy (cfg->token_info_hash);
2010 if (cfg->abs_patches)
2011 g_hash_table_destroy (cfg->abs_patches);
2013 g_free (cfg->varinfo);
2015 g_free (cfg->exception_message);
2019 #ifdef HAVE_KW_THREAD
2020 static __thread gpointer mono_lmf_addr MONO_TLS_FAST;
2021 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2023 * When this is defined, the current lmf is stored in this tls variable instead of in
2026 static __thread gpointer mono_lmf MONO_TLS_FAST;
2031 mono_get_jit_tls_key (void)
2033 return mono_jit_tls_id;
2037 mono_get_jit_tls_offset (void)
2039 #ifdef HAVE_KW_THREAD
2041 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2049 mono_get_lmf_tls_offset (void)
2051 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2053 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2061 mono_get_lmf_addr_tls_offset (void)
2064 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2071 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2074 MonoJitTlsData *jit_tls;
2076 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2077 return jit_tls->lmf;
2079 g_assert_not_reached ();
2085 mono_get_lmf_addr (void)
2087 #ifdef HAVE_KW_THREAD
2088 return mono_lmf_addr;
2090 MonoJitTlsData *jit_tls;
2092 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2093 return &jit_tls->lmf;
2095 g_assert_not_reached ();
2100 /* Called by native->managed wrappers */
2102 mono_jit_thread_attach (MonoDomain *domain)
2104 #ifdef HAVE_KW_THREAD
2105 if (!mono_lmf_addr) {
2106 mono_thread_attach (domain);
2109 if (!TlsGetValue (mono_jit_tls_id))
2110 mono_thread_attach (domain);
2112 if (mono_domain_get () != domain)
2113 mono_domain_set (domain, TRUE);
2117 * mono_thread_abort:
2118 * @obj: exception object
2120 * abort the thread, print exception information and stack trace
2123 mono_thread_abort (MonoObject *obj)
2125 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2127 /* handle_remove should be eventually called for this thread, too
2130 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2131 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2132 mono_thread_exit ();
2134 exit (mono_environment_exitcode_get ());
2139 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2141 MonoJitTlsData *jit_tls;
2144 jit_tls = TlsGetValue (mono_jit_tls_id);
2148 jit_tls = g_new0 (MonoJitTlsData, 1);
2150 TlsSetValue (mono_jit_tls_id, jit_tls);
2152 #ifdef HAVE_KW_THREAD
2153 mono_jit_tls = jit_tls;
2156 jit_tls->abort_func = abort_func;
2157 jit_tls->end_of_stack = stack_start;
2159 lmf = g_new0 (MonoLMF, 1);
2160 #ifdef MONO_ARCH_INIT_TOP_LMF_ENTRY
2161 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2166 jit_tls->first_lmf = lmf;
2168 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2169 /* jit_tls->lmf is unused */
2171 mono_lmf_addr = &mono_lmf;
2173 #if defined(HAVE_KW_THREAD)
2174 mono_lmf_addr = &jit_tls->lmf;
2180 mono_arch_setup_jit_tls_data (jit_tls);
2181 mono_setup_altstack (jit_tls);
2187 mono_thread_start_cb (gsize tid, gpointer stack_start, gpointer func)
2190 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2191 thread = mono_thread_current ();
2192 mono_debugger_thread_created (tid, thread, jit_tls);
2194 thread->jit_data = jit_tls;
2197 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2200 mono_thread_abort_dummy (MonoObject *obj)
2202 if (mono_thread_attach_aborted_cb)
2203 mono_thread_attach_aborted_cb (obj);
2205 mono_thread_abort (obj);
2209 mono_thread_attach_cb (gsize tid, gpointer stack_start)
2212 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2213 thread = mono_thread_current ();
2214 mono_debugger_thread_created (tid, thread, (MonoJitTlsData *) jit_tls);
2216 thread->jit_data = jit_tls;
2217 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2218 setup_stat_profiler ();
2222 mini_thread_cleanup (MonoThread *thread)
2224 MonoJitTlsData *jit_tls = thread->jit_data;
2227 mono_debugger_thread_cleanup (jit_tls);
2228 mono_arch_free_jit_tls_data (jit_tls);
2230 mono_free_altstack (jit_tls);
2231 g_free (jit_tls->first_lmf);
2233 thread->jit_data = NULL;
2235 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2236 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2237 * not a trivial thing.
2239 * The current offender is mono_thread_manage which cleanup threads from the outside.
2241 if (thread == mono_thread_current ()) {
2242 TlsSetValue (mono_jit_tls_id, NULL);
2244 #ifdef HAVE_KW_THREAD
2245 mono_jit_tls = NULL;
2246 mono_lmf_addr = NULL;
2247 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2256 mono_create_tls_get (MonoCompile *cfg, int offset)
2258 #ifdef MONO_ARCH_HAVE_TLS_GET
2264 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2265 ins->dreg = mono_alloc_preg (cfg);
2266 ins->inst_offset = offset;
2274 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2276 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2280 mono_get_domain_intrinsic (MonoCompile* cfg)
2282 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2286 mono_get_thread_intrinsic (MonoCompile* cfg)
2288 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2292 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2294 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2298 ji->data.target = target;
2299 ji->next = cfg->patch_info;
2301 cfg->patch_info = ji;
2305 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2307 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2311 ji->data.target = target;
2318 mono_remove_patch_info (MonoCompile *cfg, int ip)
2320 MonoJumpInfo **ji = &cfg->patch_info;
2323 if ((*ji)->ip.i == ip)
2326 ji = &((*ji)->next);
2331 * mono_patch_info_dup_mp:
2333 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2336 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2338 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2339 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2341 switch (patch_info->type) {
2342 case MONO_PATCH_INFO_RVA:
2343 case MONO_PATCH_INFO_LDSTR:
2344 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2345 case MONO_PATCH_INFO_LDTOKEN:
2346 case MONO_PATCH_INFO_DECLSEC:
2347 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2348 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2350 case MONO_PATCH_INFO_SWITCH:
2351 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2352 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2354 case MONO_PATCH_INFO_RGCTX_FETCH:
2355 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2356 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2357 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2367 mono_patch_info_hash (gconstpointer data)
2369 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2372 case MONO_PATCH_INFO_RVA:
2373 case MONO_PATCH_INFO_LDSTR:
2374 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2375 case MONO_PATCH_INFO_LDTOKEN:
2376 case MONO_PATCH_INFO_DECLSEC:
2377 return (ji->type << 8) | ji->data.token->token;
2378 case MONO_PATCH_INFO_VTABLE:
2379 case MONO_PATCH_INFO_CLASS:
2380 case MONO_PATCH_INFO_IID:
2381 case MONO_PATCH_INFO_ADJUSTED_IID:
2382 case MONO_PATCH_INFO_CLASS_INIT:
2383 case MONO_PATCH_INFO_METHODCONST:
2384 case MONO_PATCH_INFO_METHOD:
2385 case MONO_PATCH_INFO_METHOD_JUMP:
2386 case MONO_PATCH_INFO_IMAGE:
2387 case MONO_PATCH_INFO_INTERNAL_METHOD:
2388 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2389 case MONO_PATCH_INFO_FIELD:
2390 case MONO_PATCH_INFO_SFLDA:
2391 return (ji->type << 8) | (gssize)ji->data.target;
2393 return (ji->type << 8);
2398 * mono_patch_info_equal:
2400 * This might fail to recognize equivalent patches, i.e. floats, so its only
2401 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2405 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2407 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2408 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2410 if (ji1->type != ji2->type)
2413 switch (ji1->type) {
2414 case MONO_PATCH_INFO_RVA:
2415 case MONO_PATCH_INFO_LDSTR:
2416 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2417 case MONO_PATCH_INFO_LDTOKEN:
2418 case MONO_PATCH_INFO_DECLSEC:
2419 if ((ji1->data.token->image != ji2->data.token->image) ||
2420 (ji1->data.token->token != ji2->data.token->token) ||
2421 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2422 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2423 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2427 if (ji1->data.target != ji2->data.target)
2436 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2438 unsigned char *ip = patch_info->ip.i + code;
2439 gconstpointer target = NULL;
2441 switch (patch_info->type) {
2442 case MONO_PATCH_INFO_BB:
2443 g_assert (patch_info->data.bb->native_offset);
2444 target = patch_info->data.bb->native_offset + code;
2446 case MONO_PATCH_INFO_ABS:
2447 target = patch_info->data.target;
2449 case MONO_PATCH_INFO_LABEL:
2450 target = patch_info->data.inst->inst_c0 + code;
2452 case MONO_PATCH_INFO_IP:
2455 case MONO_PATCH_INFO_METHOD_REL:
2456 target = code + patch_info->data.offset;
2458 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2459 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2461 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2462 g_assert_not_reached ();
2464 target = mono_icall_get_wrapper (mi);
2467 case MONO_PATCH_INFO_METHOD_JUMP:
2468 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2470 case MONO_PATCH_INFO_METHOD:
2471 if (patch_info->data.method == method) {
2474 /* get the trampoline to the method from the domain */
2475 if (method && method->wrapper_type == MONO_WRAPPER_STATIC_RGCTX_INVOKE) {
2476 target = mono_create_jit_trampoline_in_domain (mono_domain_get (),
2477 patch_info->data.method);
2479 target = mono_create_jit_trampoline (patch_info->data.method);
2483 case MONO_PATCH_INFO_SWITCH: {
2484 gpointer *jump_table;
2487 if (method && method->dynamic) {
2488 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2490 mono_domain_lock (domain);
2492 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2494 jump_table = mono_code_manager_reserve (domain->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2495 mono_domain_unlock (domain);
2498 for (i = 0; i < patch_info->data.table->table_size; i++)
2499 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2500 target = jump_table;
2503 case MONO_PATCH_INFO_METHODCONST:
2504 case MONO_PATCH_INFO_CLASS:
2505 case MONO_PATCH_INFO_IMAGE:
2506 case MONO_PATCH_INFO_FIELD:
2507 target = patch_info->data.target;
2509 case MONO_PATCH_INFO_IID:
2510 mono_class_init (patch_info->data.klass);
2511 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
2513 case MONO_PATCH_INFO_ADJUSTED_IID:
2514 mono_class_init (patch_info->data.klass);
2515 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
2517 case MONO_PATCH_INFO_VTABLE:
2518 target = mono_class_vtable (domain, patch_info->data.klass);
2521 case MONO_PATCH_INFO_CLASS_INIT: {
2522 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
2525 target = mono_create_class_init_trampoline (vtable);
2528 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
2529 target = mono_create_delegate_trampoline (patch_info->data.klass);
2531 case MONO_PATCH_INFO_SFLDA: {
2532 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
2535 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
2536 /* Done by the generated code */
2540 mono_runtime_class_init (vtable);
2542 target = (char*)vtable->data + patch_info->data.field->offset;
2545 case MONO_PATCH_INFO_RVA: {
2546 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
2549 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
2550 target = mono_image_rva_map (patch_info->data.token->image, rva);
2553 case MONO_PATCH_INFO_R4:
2554 case MONO_PATCH_INFO_R8:
2555 target = patch_info->data.target;
2557 case MONO_PATCH_INFO_EXC_NAME:
2558 target = patch_info->data.name;
2560 case MONO_PATCH_INFO_LDSTR:
2562 mono_ldstr (domain, patch_info->data.token->image,
2563 mono_metadata_token_index (patch_info->data.token->token));
2565 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
2567 MonoClass *handle_class;
2569 handle = mono_ldtoken (patch_info->data.token->image,
2570 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
2571 mono_class_init (handle_class);
2572 mono_class_init (mono_class_from_mono_type (handle));
2575 mono_type_get_object (domain, handle);
2578 case MONO_PATCH_INFO_LDTOKEN: {
2580 MonoClass *handle_class;
2582 handle = mono_ldtoken (patch_info->data.token->image,
2583 patch_info->data.token->token, &handle_class, NULL);
2584 mono_class_init (handle_class);
2589 case MONO_PATCH_INFO_DECLSEC:
2590 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
2592 case MONO_PATCH_INFO_ICALL_ADDR:
2593 /* run_cctors == 0 -> AOT */
2594 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
2596 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
2598 g_error ("Unable to resolve pinvoke method '%s' Re-run with MONO_LOG_LEVEL=debug for more information.\n", mono_method_full_name (patch_info->data.method, TRUE));
2603 target = mono_lookup_internal_call (patch_info->data.method);
2605 if (!target && run_cctors)
2606 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
2609 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
2610 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2612 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
2613 g_assert_not_reached ();
2618 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
2619 target = mono_thread_interruption_request_flag ();
2621 case MONO_PATCH_INFO_METHOD_RGCTX:
2622 target = mono_method_lookup_rgctx (mono_class_vtable (domain, patch_info->data.method->klass), mini_method_get_context (patch_info->data.method)->method_inst);
2624 case MONO_PATCH_INFO_BB_OVF:
2625 case MONO_PATCH_INFO_EXC_OVF:
2626 case MONO_PATCH_INFO_GOT_OFFSET:
2627 case MONO_PATCH_INFO_NONE:
2629 case MONO_PATCH_INFO_RGCTX_FETCH: {
2630 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
2633 switch (entry->data->type) {
2634 case MONO_PATCH_INFO_CLASS:
2635 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));
2637 case MONO_PATCH_INFO_METHOD:
2638 case MONO_PATCH_INFO_METHODCONST:
2639 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));
2641 case MONO_PATCH_INFO_FIELD:
2642 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));
2645 g_assert_not_reached ();
2649 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
2652 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
2653 target = mono_create_generic_class_init_trampoline ();
2655 case MONO_PATCH_INFO_MONITOR_ENTER:
2656 target = mono_create_monitor_enter_trampoline ();
2658 case MONO_PATCH_INFO_MONITOR_EXIT:
2659 target = mono_create_monitor_exit_trampoline ();
2662 g_assert_not_reached ();
2665 return (gpointer)target;
2669 mono_compile_create_vars (MonoCompile *cfg)
2671 MonoMethodSignature *sig;
2672 MonoMethodHeader *header;
2675 header = mono_method_get_header (cfg->method);
2677 sig = mono_method_signature (cfg->method);
2679 if (!MONO_TYPE_IS_VOID (sig->ret)) {
2680 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
2681 /* Inhibit optimizations */
2682 cfg->ret->flags |= MONO_INST_VOLATILE;
2684 if (cfg->verbose_level > 2)
2685 g_print ("creating vars\n");
2687 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
2690 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
2692 for (i = 0; i < sig->param_count; ++i) {
2693 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
2696 if (cfg->verbose_level > 2) {
2698 printf ("\treturn : ");
2699 mono_print_ins (cfg->ret);
2703 printf ("\tthis: ");
2704 mono_print_ins (cfg->args [0]);
2707 for (i = 0; i < sig->param_count; ++i) {
2708 printf ("\targ [%d]: ", i);
2709 mono_print_ins (cfg->args [i + sig->hasthis]);
2713 cfg->locals_start = cfg->num_varinfo;
2714 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
2716 if (cfg->verbose_level > 2)
2717 g_print ("creating locals\n");
2719 for (i = 0; i < header->num_locals; ++i)
2720 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
2722 if (cfg->verbose_level > 2)
2723 g_print ("locals done\n");
2725 mono_arch_create_vars (cfg);
2729 mono_print_code (MonoCompile *cfg, const char* msg)
2733 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2734 mono_print_bb (bb, msg);
2740 mono_codegen (MonoCompile *cfg)
2742 MonoJumpInfo *patch_info;
2744 int i, max_epilog_size;
2747 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
2748 cfg->spill_count = 0;
2749 /* we reuse dfn here */
2750 /* bb->dfn = bb_count++; */
2752 mono_arch_lowering_pass (cfg, bb);
2754 if (cfg->opt & MONO_OPT_PEEPHOLE)
2755 mono_arch_peephole_pass_1 (cfg, bb);
2758 mono_local_regalloc (cfg, bb);
2760 if (cfg->opt & MONO_OPT_PEEPHOLE)
2761 mono_arch_peephole_pass_2 (cfg, bb);
2764 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
2765 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
2767 code = mono_arch_emit_prolog (cfg);
2769 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
2770 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
2772 cfg->code_len = code - cfg->native_code;
2773 cfg->prolog_end = cfg->code_len;
2775 mono_debug_open_method (cfg);
2777 /* emit code all basic blocks */
2778 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
2779 bb->native_offset = cfg->code_len;
2780 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
2781 mono_arch_output_basic_block (cfg, bb);
2783 if (bb == cfg->bb_exit) {
2784 cfg->epilog_begin = cfg->code_len;
2786 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
2787 code = cfg->native_code + cfg->code_len;
2788 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
2789 cfg->code_len = code - cfg->native_code;
2790 g_assert (cfg->code_len < cfg->code_size);
2793 mono_arch_emit_epilog (cfg);
2797 mono_arch_emit_exceptions (cfg);
2799 max_epilog_size = 0;
2801 code = cfg->native_code + cfg->code_len;
2803 /* we always allocate code in cfg->domain->code_mp to increase locality */
2804 cfg->code_size = cfg->code_len + max_epilog_size;
2805 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
2807 if (cfg->method->dynamic) {
2808 guint unwindlen = 0;
2809 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
2810 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
2812 /* Allocate the code into a separate memory pool so it can be freed */
2813 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
2814 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
2815 mono_domain_lock (cfg->domain);
2816 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
2817 mono_domain_unlock (cfg->domain);
2819 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
2821 guint unwindlen = 0;
2822 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
2823 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
2825 mono_domain_lock (cfg->domain);
2826 code = mono_code_manager_reserve (cfg->domain->code_mp, cfg->code_size + unwindlen);
2827 mono_domain_unlock (cfg->domain);
2830 memcpy (code, cfg->native_code, cfg->code_len);
2831 g_free (cfg->native_code);
2832 cfg->native_code = code;
2833 code = cfg->native_code + cfg->code_len;
2835 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
2836 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
2837 switch (patch_info->type) {
2838 case MONO_PATCH_INFO_ABS: {
2839 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
2842 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
2846 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
2847 // FIXME: CLEAN UP THIS MESS.
2848 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
2849 strstr (cfg->method->name, info->name)) {
2851 * This is an icall wrapper, and this is a call to the
2854 if (cfg->compile_aot) {
2855 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
2856 patch_info->data.name = info->name;
2859 /* for these array methods we currently register the same function pointer
2860 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
2861 * will return the incorrect one depending on the order they are registered.
2862 * See tests/test-arr.cs
2864 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
2865 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
2866 patch_info->data.name = info->name;
2871 if (patch_info->type == MONO_PATCH_INFO_ABS) {
2872 if (cfg->abs_patches) {
2873 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
2875 patch_info->type = abs_ji->type;
2876 patch_info->data.target = abs_ji->data.target;
2883 case MONO_PATCH_INFO_SWITCH: {
2885 if (cfg->method->dynamic) {
2886 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2888 mono_domain_lock (cfg->domain);
2889 table = mono_code_manager_reserve (cfg->domain->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2890 mono_domain_unlock (cfg->domain);
2893 for (i = 0; i < patch_info->data.table->table_size; i++) {
2894 /* Might be NULL if the switch is eliminated */
2895 if (patch_info->data.table->table [i]) {
2896 g_assert (patch_info->data.table->table [i]->native_offset);
2897 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
2902 patch_info->data.table->table = (MonoBasicBlock**)table;
2905 case MONO_PATCH_INFO_METHOD_JUMP: {
2907 MonoDomain *domain = cfg->domain;
2908 unsigned char *ip = cfg->native_code + patch_info->ip.i;
2910 mono_domain_lock (domain);
2911 if (!domain_jit_info (domain)->jump_target_hash)
2912 domain_jit_info (domain)->jump_target_hash = g_hash_table_new (NULL, NULL);
2913 list = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
2914 list = g_slist_prepend (list, ip);
2915 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, list);
2916 mono_domain_unlock (domain);
2925 #ifdef VALGRIND_JIT_REGISTER_MAP
2926 if (valgrind_register){
2927 char* nm = mono_method_full_name (cfg->method, TRUE);
2928 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
2933 if (cfg->verbose_level > 0) {
2934 char* nm = mono_method_full_name (cfg->method, TRUE);
2935 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
2937 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
2942 gboolean is_generic = FALSE;
2944 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
2945 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
2949 if (cfg->generic_sharing_context)
2950 g_assert (is_generic);
2953 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
2954 mono_arch_save_unwind_info (cfg);
2957 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->run_cctors);
2959 if (cfg->method->dynamic) {
2960 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
2962 mono_domain_lock (cfg->domain);
2963 mono_code_manager_commit (cfg->domain->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
2964 mono_domain_unlock (cfg->domain);
2967 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
2969 mono_debug_close_method (cfg);
2970 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
2971 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
2975 static MonoGenericInst*
2976 get_object_generic_inst (int type_argc)
2978 MonoType **type_argv;
2981 type_argv = alloca (sizeof (MonoType*) * type_argc);
2983 for (i = 0; i < type_argc; ++i)
2984 type_argv [i] = &mono_defaults.object_class->byval_arg;
2986 return mono_metadata_get_generic_inst (type_argc, type_argv);
2990 compute_reachable (MonoBasicBlock *bb)
2994 if (!(bb->flags & BB_VISITED)) {
2995 bb->flags |= BB_VISITED;
2996 for (i = 0; i < bb->out_count; ++i)
2997 compute_reachable (bb->out_bb [i]);
3001 static MonoGenericContext
3002 construct_object_context_for_method (MonoMethod *method)
3004 MonoGenericContext object_context;
3006 g_assert (method->wrapper_type == MONO_WRAPPER_NONE);
3007 g_assert (!method->klass->generic_class);
3008 if (method->klass->generic_container) {
3009 int type_argc = method->klass->generic_container->type_argc;
3011 object_context.class_inst = get_object_generic_inst (type_argc);
3013 object_context.class_inst = NULL;
3016 if (mini_method_get_context (method)->method_inst) {
3017 int type_argc = mini_method_get_context (method)->method_inst->type_argc;
3019 object_context.method_inst = get_object_generic_inst (type_argc);
3021 object_context.method_inst = NULL;
3024 g_assert (object_context.class_inst || object_context.method_inst);
3026 return object_context;
3030 * mini_method_compile:
3031 * @method: the method to compile
3032 * @opts: the optimization flags to use
3033 * @domain: the domain where the method will be compiled in
3034 * @run_cctors: whether we should run type ctors if possible
3035 * @compile_aot: whether this is an AOT compilation
3036 * @parts: debug flag
3038 * Returns: a MonoCompile* pointer. Caller must check the exception_type
3039 * field in the returned struct to see if compilation succeded.
3042 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
3044 MonoMethodHeader *header;
3048 int dfn, i, code_size_ratio;
3049 gboolean deadce_has_run = FALSE;
3050 gboolean try_generic_shared;
3051 MonoMethod *method_to_compile, *method_to_register;
3052 int generic_info_size;
3054 mono_jit_stats.methods_compiled++;
3055 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
3056 mono_profiler_method_jit (method);
3057 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
3058 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
3061 /* We are passed the original generic method definition */
3062 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3063 (opts & MONO_OPT_GSHARED) && (method->is_generic || method->klass->generic_container);
3065 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3066 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
3068 if (opts & MONO_OPT_GSHARED) {
3069 if (try_generic_shared)
3070 mono_stats.generics_sharable_methods++;
3071 else if (mono_method_is_generic_impl (method))
3072 mono_stats.generics_unsharable_methods++;
3076 if (try_generic_shared) {
3077 MonoMethod *declaring_method;
3078 MonoGenericContext *shared_context;
3081 declaring_method = method;
3083 declaring_method = mono_method_get_declaring_generic_method (method);
3084 if (method->klass->generic_class)
3085 g_assert (method->klass->generic_class->container_class == declaring_method->klass);
3087 g_assert (method->klass == declaring_method->klass);
3090 if (declaring_method->is_generic)
3091 shared_context = &(mono_method_get_generic_container (declaring_method)->context);
3093 shared_context = &declaring_method->klass->generic_container->context;
3095 method_to_compile = mono_class_inflate_generic_method (declaring_method, shared_context);
3096 g_assert (method_to_compile);
3098 method_to_compile = method;
3101 cfg = g_new0 (MonoCompile, 1);
3102 cfg->method = method_to_compile;
3103 cfg->mempool = mono_mempool_new ();
3105 cfg->prof_options = mono_profiler_get_events ();
3106 cfg->run_cctors = run_cctors;
3107 cfg->domain = domain;
3108 cfg->verbose_level = mini_verbose;
3109 cfg->compile_aot = compile_aot;
3110 cfg->skip_visibility = method->skip_visibility;
3111 cfg->orig_method = method;
3112 if (try_generic_shared)
3113 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
3114 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
3116 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
3117 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
3121 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
3122 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
3123 cfg->disable_reuse_registers = TRUE;
3124 cfg->disable_reuse_stack_slots = TRUE;
3126 * This decreases the change the debugger will read registers/stack slots which are
3127 * not yet initialized.
3129 cfg->disable_initlocals_opt = TRUE;
3131 /* Temporarily disable this when running in the debugger until we have support
3132 * for this in the debugger. */
3133 cfg->disable_omit_fp = TRUE;
3135 /* The debugger needs all locals to be on the stack or in a global register */
3136 cfg->disable_vreg_to_lvreg = TRUE;
3138 /* Don't remove unused variables when running inside the debugger since the user
3139 * may still want to view them. */
3140 cfg->disable_deadce_vars = TRUE;
3142 // cfg->opt |= MONO_OPT_SHARED;
3143 cfg->opt &= ~MONO_OPT_DEADCE;
3144 cfg->opt &= ~MONO_OPT_INLINE;
3145 cfg->opt &= ~MONO_OPT_COPYPROP;
3146 cfg->opt &= ~MONO_OPT_CONSPROP;
3147 cfg->opt &= ~MONO_OPT_GSHARED;
3150 header = mono_method_get_header (method_to_compile);
3152 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
3153 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
3154 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3155 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3156 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
3157 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
3161 if (getenv ("MONO_VERBOSE_METHOD")) {
3162 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
3163 cfg->verbose_level = 4;
3166 ip = (guint8 *)header->code;
3168 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
3170 if (cfg->verbose_level > 2) {
3171 if (cfg->generic_sharing_context)
3172 g_print ("converting shared method %s\n", mono_method_full_name (method, TRUE));
3174 g_print ("converting method %s\n", mono_method_full_name (method, TRUE));
3177 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
3178 cfg->opt |= MONO_OPT_SSA;
3181 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")))
3182 cfg->globalra = TRUE;
3185 //cfg->globalra = TRUE;
3187 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
3188 // cfg->globalra = TRUE;
3191 static int count = 0;
3195 if (getenv ("COUNT2")) {
3196 cfg->globalra = TRUE;
3197 if (count == atoi (getenv ("COUNT2")))
3198 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
3199 if (count > atoi (getenv ("COUNT2")))
3200 cfg->globalra = FALSE;
3205 if (header->clauses)
3206 cfg->globalra = FALSE;
3208 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
3209 /* The code in the prolog clobbers caller saved registers */
3210 cfg->globalra = FALSE;
3212 // FIXME: Disable globalra in case of tracing/profiling
3214 if (cfg->method->save_lmf)
3215 /* The LMF saving code might clobber caller saved registers */
3216 cfg->globalra = FALSE;
3218 if (header->code_size > 5000)
3220 /* Too large bblocks could overflow the ins positions */
3221 cfg->globalra = FALSE;
3223 cfg->rs = mono_regstate_new ();
3225 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
3226 cfg->next_vreg = cfg->rs->next_vreg;
3228 /* FIXME: Fix SSA to handle branches inside bblocks */
3229 if (cfg->opt & MONO_OPT_SSA)
3230 cfg->enable_extended_bblocks = FALSE;
3233 * FIXME: This confuses liveness analysis because variables which are assigned after
3234 * a branch inside a bblock become part of the kill set, even though the assignment
3235 * might not get executed. This causes the optimize_initlocals pass to delete some
3236 * assignments which are needed.
3237 * Also, the mono_if_conversion pass needs to be modified to recognize the code
3240 //cfg->enable_extended_bblocks = TRUE;
3243 * create MonoInst* which represents arguments and local variables
3245 mono_compile_create_vars (cfg);
3247 /* SSAPRE is not supported on linear IR */
3248 cfg->opt &= ~MONO_OPT_SSAPRE;
3250 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
3253 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
3255 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3256 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3259 mono_destroy_compile (cfg);
3260 try_generic_shared = FALSE;
3261 goto restart_compile;
3263 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
3265 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3266 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3267 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
3268 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
3269 /* cfg contains the details of the failure, so let the caller cleanup */
3273 mono_jit_stats.basic_blocks += cfg->num_bblocks;
3274 mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks);
3276 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
3278 mono_decompose_long_opts (cfg);
3280 /* Should be done before branch opts */
3281 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
3282 mono_local_cprop (cfg);
3284 if (cfg->opt & MONO_OPT_BRANCH)
3285 mono_optimize_branches (cfg);
3287 /* This must be done _before_ global reg alloc and _after_ decompose */
3288 mono_handle_global_vregs (cfg);
3289 if (cfg->opt & MONO_OPT_DEADCE)
3290 mono_local_deadce (cfg);
3291 mono_if_conversion (cfg);
3293 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
3294 mono_remove_critical_edges (cfg);
3296 /* Depth-first ordering on basic blocks */
3297 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
3300 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
3301 if (cfg->num_bblocks != dfn + 1) {
3304 cfg->num_bblocks = dfn + 1;
3306 /* remove unreachable code, because the code in them may be
3307 * inconsistent (access to dead variables for example) */
3308 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3309 bb->flags &= ~BB_VISITED;
3310 compute_reachable (cfg->bb_entry);
3311 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3312 if (bb->flags & BB_EXCEPTION_HANDLER)
3313 compute_reachable (bb);
3314 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3315 if (!(bb->flags & BB_VISITED)) {
3316 if (cfg->verbose_level > 1)
3317 g_print ("found unreachable code in BB%d\n", bb->block_num);
3318 bb->code = bb->last_ins = NULL;
3321 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3322 bb->flags &= ~BB_VISITED;
3325 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
3327 * we disable some optimizations if there are too many variables
3328 * because JIT time may become too expensive. The actual number needs
3329 * to be tweaked and eventually the non-linear algorithms should be fixed.
3331 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
3332 cfg->disable_ssa = TRUE;
3335 if (cfg->opt & MONO_OPT_LOOP) {
3336 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
3337 mono_compute_natural_loops (cfg);
3340 /* after method_to_ir */
3342 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3343 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3347 //#define DEBUGSSA "logic_run"
3348 #define DEBUGSSA_CLASS "Tests"
3351 if (!header->num_clauses && !cfg->disable_ssa) {
3352 mono_local_cprop (cfg);
3355 mono_ssa_compute (cfg);
3359 if (cfg->opt & MONO_OPT_SSA) {
3360 if (!(cfg->comp_done & MONO_COMP_SSA) && !header->num_clauses && !cfg->disable_ssa) {
3362 mono_ssa_compute (cfg);
3365 if (cfg->verbose_level >= 2) {
3372 /* after SSA translation */
3374 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3375 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3379 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
3380 if (cfg->comp_done & MONO_COMP_SSA) {
3382 mono_ssa_cprop (cfg);
3388 if (cfg->comp_done & MONO_COMP_SSA) {
3389 //mono_ssa_strength_reduction (cfg);
3391 if (cfg->opt & MONO_OPT_SSAPRE) {
3392 mono_perform_ssapre (cfg);
3393 //mono_local_cprop (cfg);
3396 if (cfg->opt & MONO_OPT_DEADCE) {
3397 mono_ssa_deadce (cfg);
3398 deadce_has_run = TRUE;
3401 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
3402 mono_perform_abc_removal (cfg);
3404 mono_ssa_remove (cfg);
3405 mono_local_cprop (cfg);
3406 mono_handle_global_vregs (cfg);
3407 if (cfg->opt & MONO_OPT_DEADCE)
3408 mono_local_deadce (cfg);
3410 if (cfg->opt & MONO_OPT_BRANCH) {
3413 mono_optimize_branches (cfg);
3415 /* Have to recompute cfg->bblocks and bb->dfn */
3416 if (cfg->globalra) {
3417 mono_remove_critical_edges (cfg);
3419 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3422 /* Depth-first ordering on basic blocks */
3423 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
3426 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
3427 cfg->num_bblocks = dfn + 1;
3433 /* after SSA removal */
3435 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3436 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3440 #ifdef MONO_ARCH_SOFT_FLOAT
3441 mono_decompose_soft_float (cfg);
3443 mono_decompose_vtype_opts (cfg);
3444 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
3445 mono_decompose_array_access_opts (cfg);
3450 g_assert (cfg->got_var_allocated);
3453 * Allways allocate the GOT var to a register, because keeping it
3454 * in memory will increase the number of live temporaries in some
3455 * code created by inssel.brg, leading to the well known spills+
3456 * branches problem. Testcase: mcs crash in
3457 * System.MonoCustomAttrs:GetCustomAttributes.
3459 regs = mono_arch_get_global_int_regs (cfg);
3461 cfg->got_var->opcode = OP_REGVAR;
3462 cfg->got_var->dreg = GPOINTER_TO_INT (regs->data);
3463 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
3468 /* todo: remove code when we have verified that the liveness for try/catch blocks
3472 * Currently, this can't be commented out since exception blocks are not
3473 * processed during liveness analysis.
3475 mono_liveness_handle_exception_clauses (cfg);
3477 if (cfg->globalra) {
3480 /* Have to do this before regalloc since it can create vregs */
3481 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3482 mono_arch_lowering_pass (cfg, bb);
3484 mono_global_regalloc (cfg);
3487 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
3490 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
3491 cfg->comp_done &= ~MONO_COMP_LIVENESS;
3492 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
3493 mono_analyze_liveness (cfg);
3495 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
3496 regs = mono_arch_get_global_int_regs (cfg);
3498 regs = g_list_delete_link (regs, regs);
3499 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
3503 //mono_print_code (cfg);
3507 /* variables are allocated after decompose, since decompose could create temps */
3509 mono_arch_allocate_vars (cfg);
3513 gboolean need_local_opts;
3515 if (!cfg->globalra) {
3516 mono_spill_global_vars (cfg, &need_local_opts);
3518 if (need_local_opts || cfg->compile_aot) {
3519 /* To optimize code created by spill_global_vars */
3520 mono_local_cprop (cfg);
3521 if (cfg->opt & MONO_OPT_DEADCE)
3522 mono_local_deadce (cfg);
3526 /* Add branches between non-consecutive bblocks */
3527 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3528 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
3529 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
3530 /* we are careful when inverting, since bugs like #59580
3531 * could show up when dealing with NaNs.
3533 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
3534 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
3535 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
3536 bb->last_ins->inst_false_bb = tmp;
3538 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
3540 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
3541 inst->opcode = OP_BR;
3542 inst->inst_target_bb = bb->last_ins->inst_false_bb;
3543 mono_bblock_add_inst (bb, inst);
3548 if (cfg->verbose_level >= 4 && !cfg->globalra) {
3549 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3550 MonoInst *tree = bb->code;
3551 g_print ("DUMP BLOCK %d:\n", bb->block_num);
3554 for (; tree; tree = tree->next) {
3555 mono_print_ins_index (-1, tree);
3561 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3562 bb->max_vreg = cfg->next_vreg;
3567 if (cfg->verbose_level >= 2) {
3568 char *id = mono_method_full_name (cfg->method, FALSE);
3569 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
3573 if (cfg->generic_sharing_context)
3574 generic_info_size = sizeof (MonoGenericJitInfo);
3576 generic_info_size = 0;
3578 if (cfg->method->dynamic) {
3579 jinfo = g_malloc0 (sizeof (MonoJitInfo) + (header->num_clauses * sizeof (MonoJitExceptionInfo)) +
3582 /* we access cfg->domain->mp */
3583 mono_domain_lock (cfg->domain);
3584 jinfo = mono_domain_alloc0 (cfg->domain, sizeof (MonoJitInfo) +
3585 (header->num_clauses * sizeof (MonoJitExceptionInfo)) +
3587 mono_domain_unlock (cfg->domain);
3590 if (cfg->generic_sharing_context) {
3591 MonoGenericContext object_context = construct_object_context_for_method (method_to_compile);
3593 method_to_register = mono_class_inflate_generic_method (method_to_compile, &object_context);
3595 g_assert (method == method_to_compile);
3596 method_to_register = method;
3599 jinfo->method = method_to_register;
3600 jinfo->code_start = cfg->native_code;
3601 jinfo->code_size = cfg->code_len;
3602 jinfo->used_regs = cfg->used_int_regs;
3603 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3604 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3605 jinfo->num_clauses = header->num_clauses;
3607 if (cfg->generic_sharing_context) {
3609 MonoGenericJitInfo *gi;
3611 jinfo->has_generic_jit_info = 1;
3613 gi = mono_jit_info_get_generic_jit_info (jinfo);
3616 gi->generic_sharing_context = cfg->generic_sharing_context;
3619 * Non-generic static methods only get a "this" info
3620 * if they use the rgctx variable (which they are
3621 * forced to if they have any open catch clauses).
3623 if (cfg->rgctx_var ||
3624 (!(method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) &&
3625 !mini_method_get_context (method_to_compile)->method_inst &&
3626 !method_to_compile->klass->valuetype)) {
3629 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3630 mini_method_get_context (method_to_compile)->method_inst ||
3631 method_to_compile->klass->valuetype) {
3632 inst = cfg->rgctx_var;
3633 g_assert (inst->opcode == OP_REGOFFSET);
3635 inst = cfg->args [0];
3638 if (inst->opcode == OP_REGVAR) {
3639 gi->this_in_reg = 1;
3640 gi->this_reg = inst->dreg;
3642 //g_print ("this in reg %d\n", inst->dreg);
3644 g_assert (inst->opcode == OP_REGOFFSET);
3646 g_assert (inst->inst_basereg == X86_EBP);
3647 #elif defined(__x86_64__)
3648 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3650 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3652 gi->this_in_reg = 0;
3653 gi->this_reg = inst->inst_basereg;
3654 gi->this_offset = inst->inst_offset;
3656 //g_print ("this at offset %d from reg %d\n", gi->this_offset, gi->this_reg);
3663 if (header->num_clauses) {
3666 for (i = 0; i < header->num_clauses; i++) {
3667 MonoExceptionClause *ec = &header->clauses [i];
3668 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3669 MonoBasicBlock *tblock;
3672 ei->flags = ec->flags;
3674 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3675 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3677 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3678 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3680 ei->data.filter = cfg->native_code + tblock->native_offset;
3682 ei->data.catch_class = ec->data.catch_class;
3685 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3687 ei->try_start = cfg->native_code + tblock->native_offset;
3688 g_assert (tblock->native_offset);
3689 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3691 ei->try_end = cfg->native_code + tblock->native_offset;
3692 g_assert (tblock->native_offset);
3693 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3695 ei->handler_start = cfg->native_code + tblock->native_offset;
3699 if (cfg->unwind_ops) {
3701 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
3703 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
3704 g_free (unwind_info);
3707 cfg->jit_info = jinfo;
3708 #if defined(__arm__)
3709 mono_arch_fixup_jinfo (cfg);
3712 mono_save_xdebug_info (method_to_register, jinfo->code_start, jinfo->code_size, cfg->args, cfg->locals, cfg->unwind_ops);
3714 if (!cfg->compile_aot) {
3715 mono_domain_lock (cfg->domain);
3716 mono_jit_info_table_add (cfg->domain, jinfo);
3718 if (cfg->method->dynamic)
3719 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = jinfo;
3720 mono_domain_unlock (cfg->domain);
3723 /* collect statistics */
3724 mono_perfcounters->jit_methods++;
3725 mono_perfcounters->jit_bytes += header->code_size;
3726 mono_jit_stats.allocated_code_size += cfg->code_len;
3727 code_size_ratio = cfg->code_len;
3728 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
3729 mono_jit_stats.biggest_method_size = code_size_ratio;
3730 g_free (mono_jit_stats.biggest_method);
3731 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
3733 code_size_ratio = (code_size_ratio * 100) / mono_method_get_header (method)->code_size;
3734 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
3735 mono_jit_stats.max_code_size_ratio = code_size_ratio;
3736 g_free (mono_jit_stats.max_ratio_method);
3737 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
3739 mono_jit_stats.native_code_size += cfg->code_len;
3741 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3742 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3743 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
3744 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
3752 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
3754 g_assert_not_reached ();
3758 #endif /* DISABLE_JIT */
3761 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *open_method)
3763 static gboolean inited = FALSE;
3764 static int lookups = 0;
3765 static int failed_lookups = 0;
3767 MonoGenericContext object_context;
3768 MonoMethod *object_method;
3771 object_context = construct_object_context_for_method (open_method);
3772 object_method = mono_class_inflate_generic_method (open_method, &object_context);
3774 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, object_method);
3775 if (ji && !ji->has_generic_jit_info)
3779 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
3780 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
3792 lookup_generic_method (MonoDomain *domain, MonoMethod *method)
3794 MonoMethod *open_method;
3796 if (!mono_method_is_generic_sharable_impl (method, FALSE))
3799 open_method = mono_method_get_declaring_generic_method (method);
3801 return mono_domain_lookup_shared_generic (domain, open_method);
3805 * LOCKING: Assumes domain->jit_code_hash_lock is held.
3808 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
3810 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
3815 return lookup_generic_method (domain, method);
3819 lookup_method (MonoDomain *domain, MonoMethod *method)
3823 mono_domain_jit_code_hash_lock (domain);
3824 info = lookup_method_inner (domain, method);
3825 mono_domain_jit_code_hash_unlock (domain);
3831 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt)
3834 gpointer code = NULL;
3838 #ifdef MONO_USE_AOT_COMPILER
3839 if ((opt & MONO_OPT_AOT) && !(mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)) {
3840 MonoDomain *domain = mono_domain_get ();
3842 mono_class_init (method->klass);
3844 if ((code = mono_aot_get_method (domain, method))) {
3845 vtable = mono_class_vtable (domain, method->klass);
3847 mono_runtime_class_init (vtable);
3853 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
3854 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
3856 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
3858 if (!piinfo->addr) {
3859 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
3860 piinfo->addr = mono_lookup_internal_call (method);
3861 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
3862 #ifdef PLATFORM_WIN32
3863 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);
3865 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);
3868 mono_lookup_pinvoke_call (method, NULL, NULL);
3870 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
3871 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
3873 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
3874 //mono_debug_add_wrapper (method, nm);
3875 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
3876 const char *name = method->name;
3879 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
3880 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
3881 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
3884 * We need to make sure this wrapper
3885 * is compiled because it might end up
3886 * in an (M)RGCTX if generic sharing
3887 * is enabled, and would be called
3888 * indirectly. If it were a
3889 * trampoline we'd try to patch that
3890 * indirect call, which is not
3893 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
3894 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
3895 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
3896 return mono_create_delegate_trampoline (method->klass);
3898 nm = mono_marshal_get_delegate_invoke (method, NULL);
3899 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
3901 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
3902 nm = mono_marshal_get_delegate_begin_invoke (method);
3903 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
3904 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
3905 nm = mono_marshal_get_delegate_end_invoke (method);
3906 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
3913 g_error ("Attempting to JIT compile method '%s' while running with --aot-only.\n", mono_method_full_name (method, TRUE));
3915 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
3917 switch (cfg->exception_type) {
3918 case MONO_EXCEPTION_NONE:
3920 case MONO_EXCEPTION_TYPE_LOAD:
3921 case MONO_EXCEPTION_MISSING_FIELD:
3922 case MONO_EXCEPTION_MISSING_METHOD:
3923 case MONO_EXCEPTION_FILE_NOT_FOUND:
3924 case MONO_EXCEPTION_BAD_IMAGE: {
3925 /* Throw a type load exception if needed */
3926 MonoLoaderError *error = mono_loader_get_last_error ();
3930 ex = mono_loader_error_prepare_exception (error);
3932 if (cfg->exception_ptr) {
3933 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
3935 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
3936 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
3937 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
3938 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
3939 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
3940 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
3941 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
3942 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
3943 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
3944 ex = mono_get_exception_bad_image_format (cfg->exception_message);
3946 g_assert_not_reached ();
3949 mono_destroy_compile (cfg);
3950 mono_raise_exception (ex);
3953 case MONO_EXCEPTION_INVALID_PROGRAM: {
3954 MonoException *ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
3955 mono_destroy_compile (cfg);
3956 mono_raise_exception (ex);
3959 case MONO_EXCEPTION_UNVERIFIABLE_IL: {
3960 MonoException *ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
3961 mono_destroy_compile (cfg);
3962 mono_raise_exception (ex);
3965 case MONO_EXCEPTION_METHOD_ACCESS: {
3966 MonoException *ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
3967 mono_destroy_compile (cfg);
3968 mono_raise_exception (ex);
3971 case MONO_EXCEPTION_FIELD_ACCESS: {
3972 MonoException *ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
3973 mono_destroy_compile (cfg);
3974 mono_raise_exception (ex);
3977 /* this can only be set if the security manager is active */
3978 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
3979 MonoSecurityManager* secman = mono_security_manager_get_methods ();
3980 MonoObject *exc = NULL;
3983 args [0] = &cfg->exception_data;
3985 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
3987 mono_destroy_compile (cfg);
3990 mono_raise_exception ((MonoException*)exc);
3992 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
3993 MonoException *exp = cfg->exception_ptr;
3994 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
3995 mono_destroy_compile (cfg);
3996 mono_raise_exception (exp);
4000 g_assert_not_reached ();
4003 mono_domain_lock (target_domain);
4005 /* Check if some other thread already did the job. In this case, we can
4006 discard the code this thread generated. */
4008 mono_domain_jit_code_hash_lock (target_domain);
4010 info = lookup_method_inner (target_domain, method);
4012 /* We can't use a domain specific method in another domain */
4013 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
4014 code = info->code_start;
4015 // printf("Discarding code for method %s\n", method->name);
4020 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
4021 mono_domain_jit_code_hash_unlock (target_domain);
4022 code = cfg->native_code;
4024 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
4025 mono_stats.generics_shared_methods++;
4027 mono_domain_jit_code_hash_unlock (target_domain);
4030 mono_destroy_compile (cfg);
4032 if (domain_jit_info (target_domain)->jump_target_hash) {
4033 MonoJumpInfo patch_info;
4035 list = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
4037 patch_info.next = NULL;
4038 patch_info.ip.i = 0;
4039 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
4040 patch_info.data.method = method;
4041 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
4043 for (tmp = list; tmp; tmp = tmp->next)
4044 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, TRUE);
4045 g_slist_free (list);
4048 mono_domain_unlock (target_domain);
4050 vtable = mono_class_vtable (target_domain, method->klass);
4053 exc = mono_class_get_exception_for_failure (method->klass);
4055 mono_raise_exception (exc);
4057 mono_runtime_class_init (vtable);
4062 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt)
4064 MonoDomain *target_domain, *domain = mono_domain_get ();
4067 MonoJitICallInfo *callinfo = NULL;
4070 * ICALL wrappers are handled specially, since there is only one copy of them
4071 * shared by all appdomains.
4073 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
4074 const char *icall_name;
4076 icall_name = method->name + strlen ("__icall_wrapper_");
4077 g_assert (icall_name);
4078 callinfo = mono_find_jit_icall_by_name (icall_name);
4079 g_assert (callinfo);
4081 /* Must be domain neutral since there is only one copy */
4082 opt |= MONO_OPT_SHARED;
4085 if (opt & MONO_OPT_SHARED)
4086 target_domain = mono_get_root_domain ();
4088 target_domain = domain;
4090 info = lookup_method (target_domain, method);
4092 /* We can't use a domain specific method in another domain */
4093 if (! ((domain != target_domain) && !info->domain_neutral)) {
4096 mono_jit_stats.methods_lookups++;
4097 vtable = mono_class_vtable (domain, method->klass);
4098 mono_runtime_class_init (vtable);
4099 return mono_create_ftnptr (target_domain, info->code_start);
4103 p = mono_create_ftnptr (target_domain, mono_jit_compile_method_inner (method, target_domain, opt));
4107 if (!callinfo->wrapper) {
4108 callinfo->wrapper = p;
4109 mono_register_jit_icall_wrapper (callinfo, p);
4110 mono_debug_add_icall_wrapper (method, callinfo);
4119 mono_jit_compile_method (MonoMethod *method)
4121 return mono_jit_compile_method_with_opt (method, default_opt);
4124 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4126 invalidated_delegate_trampoline (char *desc)
4128 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
4129 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
4135 * mono_jit_free_method:
4137 * Free all memory allocated by the JIT for METHOD.
4140 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
4142 MonoJitDynamicMethodInfo *ji;
4143 gboolean destroy = TRUE;
4145 g_assert (method->dynamic);
4147 mono_domain_lock (domain);
4148 ji = mono_dynamic_code_hash_lookup (domain, method);
4149 mono_domain_unlock (domain);
4153 mono_domain_lock (domain);
4154 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
4155 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
4156 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
4157 mono_domain_unlock (domain);
4159 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4160 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
4162 * Instead of freeing the code, change it to call an error routine
4163 * so people can fix their code.
4165 char *type = mono_type_full_name (&method->klass->byval_arg);
4166 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
4169 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
4175 * This needs to be done before freeing code_mp, since the code address is the
4176 * key in the table, so if we free the code_mp first, another thread can grab the
4177 * same code address and replace our entry in the table.
4179 mono_jit_info_table_remove (domain, ji->ji);
4182 mono_code_manager_destroy (ji->code_mp);
4187 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
4189 MonoDomain *target_domain;
4192 if (default_opt & MONO_OPT_SHARED)
4193 target_domain = mono_get_root_domain ();
4195 target_domain = domain;
4197 info = lookup_method (target_domain, method);
4199 /* We can't use a domain specific method in another domain */
4200 if (! ((domain != target_domain) && !info->domain_neutral)) {
4201 mono_jit_stats.methods_lookups++;
4202 return info->code_start;
4210 * mono_jit_runtime_invoke:
4211 * @method: the method to invoke
4212 * @obj: this pointer
4213 * @params: array of parameter values.
4214 * @exc: used to catch exceptions objects
4217 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
4219 MonoMethod *to_compile;
4221 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
4222 void* compiled_method;
4225 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
4226 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
4230 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
4231 to_compile = mono_marshal_get_static_rgctx_invoke (method);
4233 to_compile = method;
4235 invoke = mono_marshal_get_runtime_invoke (method);
4236 runtime_invoke = mono_jit_compile_method (invoke);
4238 /* We need this here becuase mono_marshal_get_runtime_invoke can be place
4239 * the helper method in System.Object and not the target class
4241 vtable = mono_class_vtable (mono_domain_get (), method->klass);
4243 mono_runtime_class_init (vtable);
4245 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4246 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4248 * Array Get/Set/Address methods. The JIT implements them using inline code
4249 * inside the runtime invoke wrappers, so no need to compile them.
4251 compiled_method = NULL;
4253 compiled_method = mono_jit_compile_method (to_compile);
4255 return runtime_invoke (obj, params, exc, compiled_method);
4258 #ifdef MONO_GET_CONTEXT
4259 #define GET_CONTEXT MONO_GET_CONTEXT
4263 #ifdef PLATFORM_WIN32
4264 #define GET_CONTEXT \
4265 struct sigcontext *ctx = (struct sigcontext*)_dummy;
4267 #ifdef MONO_ARCH_USE_SIGACTION
4268 #define GET_CONTEXT \
4269 void *ctx = context;
4270 #elif defined(__sparc__)
4271 #define GET_CONTEXT \
4274 #define GET_CONTEXT \
4275 void **_p = (void **)&_dummy; \
4276 struct sigcontext *ctx = (struct sigcontext *)++_p;
4281 #ifdef MONO_ARCH_USE_SIGACTION
4282 #define SIG_HANDLER_SIGNATURE(ftn) ftn (int _dummy, siginfo_t *info, void *context)
4283 #elif defined(__sparc__)
4284 #define SIG_HANDLER_SIGNATURE(ftn) ftn (int _dummy, void *sigctx)
4286 #define SIG_HANDLER_SIGNATURE(ftn) ftn (int _dummy)
4290 SIG_HANDLER_SIGNATURE (sigfpe_signal_handler)
4292 MonoException *exc = NULL;
4293 #ifndef MONO_ARCH_USE_SIGACTION
4298 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
4299 if (mono_arch_is_int_overflow (ctx, info))
4300 exc = mono_get_exception_arithmetic ();
4302 exc = mono_get_exception_divide_by_zero ();
4304 exc = mono_get_exception_divide_by_zero ();
4307 mono_arch_handle_exception (ctx, exc, FALSE);
4311 SIG_HANDLER_SIGNATURE (sigill_signal_handler)
4316 exc = mono_get_exception_execution_engine ("SIGILL");
4318 mono_arch_handle_exception (ctx, exc, FALSE);
4322 SIG_HANDLER_SIGNATURE (sigsegv_signal_handler)
4324 #ifndef MONO_ARCH_SIGSEGV_ON_ALTSTACK
4325 MonoException *exc = NULL;
4328 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
4332 /* The thread might no be registered with the runtime */
4333 if (!mono_domain_get () || !jit_tls)
4334 mono_handle_native_sigsegv (SIGSEGV, ctx);
4336 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
4338 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
4339 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
4342 /* The hard-guard page has been hit: there is not much we can do anymore
4343 * Print a hopefully clear message and abort.
4345 if (jit_tls->stack_size &&
4346 ABS ((guint8*)info->si_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 32768) {
4348 /* we don't do much now, but we can warn the user with a useful message */
4349 fprintf (stderr, "Stack overflow: IP: %p, fault addr: %p\n", mono_arch_ip_from_context (ctx), (gpointer)info->si_addr);
4350 if (ji && ji->method)
4351 method = mono_method_full_name (ji->method, TRUE);
4353 method = "Unmanaged";
4354 fprintf (stderr, "At %s\n", method);
4357 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
4362 mono_handle_native_sigsegv (SIGSEGV, ctx);
4365 mono_arch_handle_exception (ctx, exc, FALSE);
4369 #ifndef PLATFORM_WIN32
4372 SIG_HANDLER_SIGNATURE (sigabrt_signal_handler)
4377 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context(ctx));
4379 mono_handle_native_sigsegv (SIGABRT, ctx);
4384 SIG_HANDLER_SIGNATURE (sigusr1_signal_handler)
4386 gboolean running_managed;
4388 MonoThread *thread = mono_thread_current ();
4389 MonoDomain *domain = mono_domain_get ();
4394 if (!thread || !domain)
4395 /* The thread might not have started up yet */
4396 /* FIXME: Specify the synchronization with start_wrapper () in threads.c */
4399 if (thread->thread_dump_requested) {
4400 thread->thread_dump_requested = FALSE;
4402 mono_print_thread_dump (ctx);
4407 * This is an async signal, so the code below must not call anything which
4408 * is not async safe. That includes the pthread locking functions. If we
4409 * know that we interrupted managed code, then locking is safe.
4411 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context(ctx));
4412 running_managed = ji != NULL;
4414 exc = mono_thread_request_interruption (running_managed);
4417 mono_arch_handle_exception (ctx, exc, FALSE);
4420 #if defined(__i386__) || defined(__x86_64__)
4421 #define FULL_STAT_PROFILER_BACKTRACE 1
4422 #define CURRENT_FRAME_GET_BASE_POINTER(f) (* (gpointer*)(f))
4423 #define CURRENT_FRAME_GET_RETURN_ADDRESS(f) (* (((gpointer*)(f)) + 1))
4424 #if MONO_ARCH_STACK_GROWS_UP
4425 #define IS_BEFORE_ON_STACK <
4426 #define IS_AFTER_ON_STACK >
4428 #define IS_BEFORE_ON_STACK >
4429 #define IS_AFTER_ON_STACK <
4432 #define FULL_STAT_PROFILER_BACKTRACE 0
4435 #if defined(__ia64__) || defined(__sparc__) || defined(sparc) || defined(__s390__) || defined(s390)
4438 SIG_HANDLER_SIGNATURE (sigprof_signal_handler)
4446 SIG_HANDLER_SIGNATURE (sigprof_signal_handler)
4448 int call_chain_depth = mono_profiler_stat_get_call_chain_depth ();
4451 if (call_chain_depth == 0) {
4452 mono_profiler_stat_hit (mono_arch_ip_from_context (ctx), ctx);
4454 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
4455 int current_frame_index = 1;
4456 MonoContext mono_context;
4457 #if FULL_STAT_PROFILER_BACKTRACE
4458 guchar *current_frame;
4459 guchar *stack_bottom;
4464 guchar *ips [call_chain_depth + 1];
4466 mono_arch_sigctx_to_monoctx (ctx, &mono_context);
4467 ips [0] = MONO_CONTEXT_GET_IP (&mono_context);
4469 if (jit_tls != NULL) {
4470 #if FULL_STAT_PROFILER_BACKTRACE
4471 stack_bottom = jit_tls->end_of_stack;
4472 stack_top = MONO_CONTEXT_GET_SP (&mono_context);
4473 current_frame = MONO_CONTEXT_GET_BP (&mono_context);
4475 while ((current_frame_index <= call_chain_depth) &&
4476 (stack_bottom IS_BEFORE_ON_STACK (guchar*) current_frame) &&
4477 ((guchar*) current_frame IS_BEFORE_ON_STACK stack_top)) {
4478 ips [current_frame_index] = CURRENT_FRAME_GET_RETURN_ADDRESS (current_frame);
4479 current_frame_index ++;
4480 stack_top = current_frame;
4481 current_frame = CURRENT_FRAME_GET_BASE_POINTER (current_frame);
4484 domain = mono_domain_get ();
4485 if (domain != NULL) {
4486 MonoLMF *lmf = NULL;
4489 MonoContext new_mono_context;
4491 ji = mono_find_jit_info (domain, jit_tls, &res, NULL, &mono_context,
4492 &new_mono_context, NULL, &lmf, &native_offset, NULL);
4493 while ((ji != NULL) && (current_frame_index <= call_chain_depth)) {
4494 ips [current_frame_index] = MONO_CONTEXT_GET_IP (&new_mono_context);
4495 current_frame_index ++;
4496 mono_context = new_mono_context;
4497 ji = mono_find_jit_info (domain, jit_tls, &res, NULL, &mono_context,
4498 &new_mono_context, NULL, &lmf, &native_offset, NULL);
4505 mono_profiler_stat_call_chain (current_frame_index, & ips [0], ctx);
4512 SIG_HANDLER_SIGNATURE (sigquit_signal_handler)
4518 /* We use this signal to start the attach agent too */
4519 res = mono_attach_start ();
4523 printf ("Full thread dump:\n");
4525 mono_threads_request_thread_dump ();
4528 * print_thread_dump () skips the current thread, since sending a signal
4529 * to it would invoke the signal handler below the sigquit signal handler,
4530 * and signal handlers don't create an lmf, so the stack walk could not
4533 mono_print_thread_dump (ctx);
4537 SIG_HANDLER_SIGNATURE (sigusr2_signal_handler)
4539 gboolean enabled = mono_trace_is_enabled ();
4541 mono_trace_enable (!enabled);
4547 SIG_HANDLER_SIGNATURE (sigint_signal_handler)
4552 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
4554 mono_arch_handle_exception (ctx, exc, FALSE);
4557 #ifdef PLATFORM_MACOSX
4560 * This code disables the CrashReporter of MacOS X by installing
4561 * a dummy Mach exception handler.
4565 * http://darwinsource.opendarwin.org/10.4.3/xnu-792.6.22/osfmk/man/exc_server.html
4569 exc_server (mach_msg_header_t *request_msg,
4570 mach_msg_header_t *reply_msg);
4573 * The exception message
4576 mach_msg_base_t msg; /* common mach message header */
4577 char payload [1024]; /* opaque */
4578 } mach_exception_msg_t;
4580 /* The exception port */
4581 static mach_port_t mach_exception_port = VM_MAP_NULL;
4584 * Implicitly called by exc_server. Must be public.
4586 * http://darwinsource.opendarwin.org/10.4.3/xnu-792.6.22/osfmk/man/catch_exception_raise.html
4589 catch_exception_raise (
4590 mach_port_t exception_port,
4593 exception_type_t exception,
4594 exception_data_t code,
4595 mach_msg_type_number_t code_count)
4597 /* consume the exception */
4598 return KERN_FAILURE;
4602 * Exception thread handler.
4606 mach_exception_thread (void *arg)
4609 mach_exception_msg_t request;
4610 mach_exception_msg_t reply;
4611 mach_msg_return_t result;
4613 /* receive from "mach_exception_port" */
4614 result = mach_msg (&request.msg.header,
4615 MACH_RCV_MSG | MACH_RCV_LARGE,
4618 mach_exception_port,
4619 MACH_MSG_TIMEOUT_NONE,
4622 g_assert (result == MACH_MSG_SUCCESS);
4624 /* dispatch to catch_exception_raise () */
4625 exc_server (&request.msg.header, &reply.msg.header);
4627 /* send back to sender */
4628 result = mach_msg (&reply.msg.header,
4630 reply.msg.header.msgh_size,
4633 MACH_MSG_TIMEOUT_NONE,
4636 g_assert (result == MACH_MSG_SUCCESS);
4642 macosx_register_exception_handler ()
4645 pthread_attr_t attr;
4648 if (mach_exception_port != VM_MAP_NULL)
4651 task = mach_task_self ();
4653 /* create the "mach_exception_port" with send & receive rights */
4654 g_assert (mach_port_allocate (task, MACH_PORT_RIGHT_RECEIVE,
4655 &mach_exception_port) == KERN_SUCCESS);
4656 g_assert (mach_port_insert_right (task, mach_exception_port, mach_exception_port,
4657 MACH_MSG_TYPE_MAKE_SEND) == KERN_SUCCESS);
4659 /* create the exception handler thread */
4660 g_assert (!pthread_attr_init (&attr));
4661 g_assert (!pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED));
4662 g_assert (!pthread_create (&thread, &attr, mach_exception_thread, NULL));
4663 pthread_attr_destroy (&attr);
4666 * register "mach_exception_port" as a receiver for the
4667 * EXC_BAD_ACCESS exception
4669 * http://darwinsource.opendarwin.org/10.4.3/xnu-792.6.22/osfmk/man/task_set_exception_ports.html
4671 g_assert (task_set_exception_ports (task, EXC_MASK_BAD_ACCESS,
4672 mach_exception_port,
4674 MACHINE_THREAD_STATE) == KERN_SUCCESS);
4678 #ifndef PLATFORM_WIN32
4680 add_signal_handler (int signo, gpointer handler)
4682 struct sigaction sa;
4684 #ifdef MONO_ARCH_USE_SIGACTION
4685 sa.sa_sigaction = handler;
4686 sigemptyset (&sa.sa_mask);
4687 sa.sa_flags = SA_SIGINFO;
4688 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
4689 if (signo == SIGSEGV)
4690 sa.sa_flags |= SA_ONSTACK;
4693 sa.sa_handler = handler;
4694 sigemptyset (&sa.sa_mask);
4697 g_assert (sigaction (signo, &sa, NULL) != -1);
4701 remove_signal_handler (int signo)
4703 struct sigaction sa;
4705 sa.sa_handler = SIG_DFL;
4706 sigemptyset (&sa.sa_mask);
4709 sigaction (signo, &sa, NULL);
4714 mono_runtime_install_handlers (void)
4716 #ifdef PLATFORM_WIN32
4718 win32_seh_set_handler(SIGFPE, sigfpe_signal_handler);
4719 win32_seh_set_handler(SIGILL, sigill_signal_handler);
4720 win32_seh_set_handler(SIGSEGV, sigsegv_signal_handler);
4721 if (debug_options.handle_sigint)
4722 win32_seh_set_handler(SIGINT, sigint_signal_handler);
4724 #else /* !PLATFORM_WIN32 */
4726 sigset_t signal_set;
4728 #if defined(PLATFORM_MACOSX) && !defined(__arm__)
4729 macosx_register_exception_handler ();
4732 if (debug_options.handle_sigint)
4733 add_signal_handler (SIGINT, sigint_signal_handler);
4735 add_signal_handler (SIGFPE, sigfpe_signal_handler);
4736 add_signal_handler (SIGQUIT, sigquit_signal_handler);
4737 add_signal_handler (SIGILL, sigill_signal_handler);
4738 add_signal_handler (SIGBUS, sigsegv_signal_handler);
4739 if (mono_jit_trace_calls != NULL)
4740 add_signal_handler (SIGUSR2, sigusr2_signal_handler);
4742 add_signal_handler (mono_thread_get_abort_signal (), sigusr1_signal_handler);
4743 /* it seems to have become a common bug for some programs that run as parents
4744 * of many processes to block signal delivery for real time signals.
4745 * We try to detect and work around their breakage here.
4747 sigemptyset (&signal_set);
4748 sigaddset (&signal_set, mono_thread_get_abort_signal ());
4749 sigprocmask (SIG_UNBLOCK, &signal_set, NULL);
4751 signal (SIGPIPE, SIG_IGN);
4753 add_signal_handler (SIGABRT, sigabrt_signal_handler);
4756 add_signal_handler (SIGSEGV, sigsegv_signal_handler);
4757 #endif /* PLATFORM_WIN32 */
4761 mono_runtime_cleanup_handlers (void)
4763 #ifdef PLATFORM_WIN32
4764 win32_seh_cleanup();
4766 if (debug_options.handle_sigint)
4767 remove_signal_handler (SIGINT);
4769 remove_signal_handler (SIGFPE);
4770 remove_signal_handler (SIGQUIT);
4771 remove_signal_handler (SIGILL);
4772 remove_signal_handler (SIGBUS);
4773 if (mono_jit_trace_calls != NULL)
4774 remove_signal_handler (SIGUSR2);
4776 remove_signal_handler (mono_thread_get_abort_signal ());
4778 remove_signal_handler (SIGABRT);
4780 remove_signal_handler (SIGSEGV);
4781 #endif /* PLATFORM_WIN32 */
4785 #ifdef HAVE_LINUX_RTC_H
4786 #include <linux/rtc.h>
4787 #include <sys/ioctl.h>
4789 static int rtc_fd = -1;
4792 enable_rtc_timer (gboolean enable)
4795 flags = fcntl (rtc_fd, F_GETFL);
4797 perror ("getflags");
4804 if (fcntl (rtc_fd, F_SETFL, flags) == -1) {
4805 perror ("setflags");
4812 #ifdef PLATFORM_WIN32
4813 static HANDLE win32_main_thread;
4814 static MMRESULT win32_timer;
4816 static void CALLBACK
4817 win32_time_proc (UINT uID, UINT uMsg, DWORD dwUser, DWORD dw1, DWORD dw2)
4821 context.ContextFlags = CONTEXT_CONTROL;
4822 if (GetThreadContext (win32_main_thread, &context)) {
4824 mono_profiler_stat_hit ((guchar *) context.Rip, &context);
4826 mono_profiler_stat_hit ((guchar *) context.Eip, &context);
4833 setup_stat_profiler (void)
4836 struct itimerval itval;
4837 static int inited = 0;
4838 #ifdef HAVE_LINUX_RTC_H
4839 const char *rtc_freq;
4840 if (!inited && (rtc_freq = g_getenv ("MONO_RTC"))) {
4844 freq = atoi (rtc_freq);
4847 rtc_fd = open ("/dev/rtc", O_RDONLY);
4849 perror ("open /dev/rtc");
4852 add_signal_handler (SIGPROF, sigprof_signal_handler);
4853 if (ioctl (rtc_fd, RTC_IRQP_SET, freq) == -1) {
4854 perror ("set rtc freq");
4857 if (ioctl (rtc_fd, RTC_PIE_ON, 0) == -1) {
4858 perror ("start rtc");
4861 if (fcntl (rtc_fd, F_SETSIG, SIGPROF) == -1) {
4865 if (fcntl (rtc_fd, F_SETOWN, getpid ()) == -1) {
4869 enable_rtc_timer (TRUE);
4876 itval.it_interval.tv_usec = 999;
4877 itval.it_interval.tv_sec = 0;
4878 itval.it_value = itval.it_interval;
4879 setitimer (ITIMER_PROF, &itval, NULL);
4883 add_signal_handler (SIGPROF, sigprof_signal_handler);
4884 #elif defined (PLATFORM_WIN32)
4885 static int inited = 0;
4892 if (timeGetDevCaps (&timecaps, sizeof (timecaps)) != TIMERR_NOERROR)
4895 if ((win32_main_thread = OpenThread (READ_CONTROL | THREAD_GET_CONTEXT, FALSE, GetCurrentThreadId ())) == NULL)
4898 if (timeBeginPeriod (1) != TIMERR_NOERROR)
4901 if ((win32_timer = timeSetEvent (1, 0, win32_time_proc, 0, TIME_PERIODIC)) == 0) {
4908 /* mono_jit_create_remoting_trampoline:
4909 * @method: pointer to the method info
4911 * Creates a trampoline which calls the remoting functions. This
4912 * is used in the vtable of transparent proxies.
4914 * Returns: a pointer to the newly created code
4917 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
4920 guint8 *addr = NULL;
4922 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
4923 return mono_arch_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
4927 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
4928 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
4929 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
4930 addr = mono_compile_method (nm);
4932 addr = mono_compile_method (method);
4934 return mono_get_addr_from_ftnptr (addr);
4937 #ifdef MONO_ARCH_HAVE_IMT
4939 mini_get_imt_trampoline (void)
4941 static gpointer tramp = NULL;
4943 tramp = mono_create_specific_trampoline (MONO_FAKE_IMT_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
4948 #ifdef MONO_ARCH_COMMON_VTABLE_TRAMPOLINE
4950 mini_get_vtable_trampoline (void)
4952 static gpointer tramp = NULL;
4954 tramp = mono_create_specific_trampoline (MONO_FAKE_VTABLE_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
4960 mini_parse_debug_options (void)
4962 char *options = getenv ("MONO_DEBUG");
4963 gchar **args, **ptr;
4968 args = g_strsplit (options, ",", -1);
4970 for (ptr = args; ptr && *ptr; ptr++) {
4971 const char *arg = *ptr;
4973 if (!strcmp (arg, "handle-sigint"))
4974 debug_options.handle_sigint = TRUE;
4975 else if (!strcmp (arg, "keep-delegates"))
4976 debug_options.keep_delegates = TRUE;
4977 else if (!strcmp (arg, "collect-pagefault-stats"))
4978 debug_options.collect_pagefault_stats = TRUE;
4979 else if (!strcmp (arg, "break-on-unverified"))
4980 debug_options.break_on_unverified = TRUE;
4981 else if (!strcmp (arg, "no-gdb-backtrace"))
4982 debug_options.no_gdb_backtrace = TRUE;
4983 else if (!strcmp (arg, "dont-free-domains"))
4984 mono_dont_free_domains = TRUE;
4986 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
4987 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains'\n");
4996 mini_get_debug_options (void)
4998 return &debug_options;
5002 mini_create_jit_domain_info (MonoDomain *domain)
5004 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
5006 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5007 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5008 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5009 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5011 domain->runtime_info = info;
5015 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
5017 g_slist_free (value);
5021 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
5023 MonoJitDynamicMethodInfo *di = value;
5024 mono_code_manager_destroy (di->code_mp);
5029 mini_free_jit_domain_info (MonoDomain *domain)
5031 MonoJitDomainInfo *info = domain_jit_info (domain);
5033 if (info->jump_target_hash) {
5034 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
5035 g_hash_table_destroy (info->jump_target_hash);
5037 if (info->jump_target_got_slot_hash) {
5038 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
5039 g_hash_table_destroy (info->jump_target_got_slot_hash);
5041 if (info->dynamic_code_hash) {
5042 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
5043 g_hash_table_destroy (info->dynamic_code_hash);
5045 if (info->method_code_hash)
5046 g_hash_table_destroy (info->method_code_hash);
5047 g_hash_table_destroy (info->class_init_trampoline_hash);
5048 g_hash_table_destroy (info->jump_trampoline_hash);
5049 g_hash_table_destroy (info->jit_trampoline_hash);
5050 g_hash_table_destroy (info->delegate_trampoline_hash);
5052 g_free (domain->runtime_info);
5053 domain->runtime_info = NULL;
5057 mini_init (const char *filename, const char *runtime_version)
5061 MONO_PROBE_VES_INIT_BEGIN ();
5064 if (access ("/proc/self/maps", F_OK) != 0) {
5065 g_print ("Mono requires /proc to be mounted.\n");
5070 /* Happens when using the embedding interface */
5071 if (!default_opt_set)
5072 default_opt = mono_parse_default_optimizations (NULL);
5074 InitializeCriticalSection (&jit_mutex);
5076 if (!global_codeman)
5077 global_codeman = mono_code_manager_new ();
5078 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
5080 mono_arch_cpu_init ();
5084 mono_unwind_init ();
5086 if (getenv ("MONO_XDEBUG")) {
5087 mono_xdebug_init ();
5088 /* So methods for multiple domains don't have the same address */
5089 mono_dont_free_domains = TRUE;
5092 mono_trampolines_init ();
5094 if (!g_thread_supported ())
5095 g_thread_init (NULL);
5097 if (getenv ("MONO_DEBUG") != NULL)
5098 mini_parse_debug_options ();
5100 mono_gc_base_init ();
5102 mono_jit_tls_id = TlsAlloc ();
5103 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
5105 if (default_opt & MONO_OPT_AOT)
5108 mono_runtime_install_handlers ();
5109 mono_threads_install_cleanup (mini_thread_cleanup);
5111 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
5112 // This is experimental code so provide an env var to switch it off
5113 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
5114 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
5116 check_for_pending_exc = FALSE;
5117 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
5121 #define JIT_TRAMPOLINES_WORK
5122 #ifdef JIT_TRAMPOLINES_WORK
5123 mono_install_compile_method (mono_jit_compile_method);
5124 mono_install_free_method (mono_jit_free_method);
5125 mono_install_trampoline (mono_create_jit_trampoline);
5126 mono_install_jump_trampoline (mono_create_jump_trampoline);
5127 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
5128 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
5129 mono_install_create_domain_hook (mini_create_jit_domain_info);
5130 mono_install_free_domain_hook (mini_free_jit_domain_info);
5132 #define JIT_INVOKE_WORKS
5133 #ifdef JIT_INVOKE_WORKS
5134 mono_install_runtime_invoke (mono_jit_runtime_invoke);
5136 mono_install_stack_walk (mono_jit_walk_stack);
5137 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
5138 mono_install_get_class_from_name (mono_aot_get_class_from_name);
5139 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
5141 if (runtime_version)
5142 domain = mono_init_version (filename, runtime_version);
5144 domain = mono_init_from_assembly (filename, filename);
5146 if (mono_aot_only) {
5147 /* The IMT tables are very dynamic thus they are hard to AOT */
5148 mono_use_imt = FALSE;
5149 /* This helps catch code allocation requests */
5150 mono_code_manager_set_read_only (domain->code_mp);
5153 #ifdef MONO_ARCH_HAVE_IMT
5155 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
5156 mono_install_imt_trampoline (mini_get_imt_trampoline ());
5157 #if MONO_ARCH_COMMON_VTABLE_TRAMPOLINE
5158 mono_install_vtable_trampoline (mini_get_vtable_trampoline ());
5163 /* This must come after mono_init () in the aot-only case */
5164 mono_exceptions_init ();
5165 mono_install_handler (mono_get_throw_exception ());
5169 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
5170 ves_icall_get_frame_info);
5171 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
5172 ves_icall_get_trace);
5173 mono_add_internal_call ("System.Exception::get_trace",
5174 ves_icall_System_Exception_get_trace);
5175 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
5176 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
5177 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
5178 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
5179 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
5180 mono_runtime_install_handlers);
5183 create_helper_signature ();
5185 #define JIT_CALLS_WORK
5186 #ifdef JIT_CALLS_WORK
5187 /* Needs to be called here since register_jit_icall depends on it */
5188 mono_marshal_init ();
5190 mono_arch_register_lowlevel_calls ();
5191 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
5192 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
5193 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
5194 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
5195 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
5196 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
5197 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
5199 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
5200 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
5201 register_icall (mono_get_throw_exception_by_name (), "mono_arch_throw_exception_by_name", "void ptr", TRUE);
5202 #if MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION
5203 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
5206 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
5207 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
5208 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
5209 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
5210 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
5213 * NOTE, NOTE, NOTE, NOTE:
5214 * when adding emulation for some opcodes, remember to also add a dummy
5215 * rule to the burg files, because we need the arity information to be correct.
5217 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
5218 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
5219 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
5220 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
5221 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
5222 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
5223 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
5224 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
5227 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
5228 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
5229 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
5230 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
5233 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
5234 mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE);
5235 mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5236 mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE);
5237 mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5238 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
5239 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5240 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
5241 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5244 #ifdef MONO_ARCH_EMULATE_MUL_DIV
5245 mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5246 mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5247 mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE);
5248 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
5249 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5250 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5252 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
5253 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
5256 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
5257 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
5258 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
5259 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
5261 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
5262 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
5264 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
5265 mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5266 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5268 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
5269 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
5271 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
5272 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
5274 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
5275 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
5277 #ifdef MONO_ARCH_EMULATE_FREM
5278 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
5281 #ifdef MONO_ARCH_SOFT_FLOAT
5282 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
5283 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
5284 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
5285 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
5286 mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE);
5287 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
5288 mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE);
5289 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
5290 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
5291 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
5292 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
5293 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
5294 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
5295 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
5297 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
5298 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
5299 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
5300 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
5301 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
5302 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
5303 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
5304 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
5305 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
5306 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
5308 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
5309 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
5310 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
5311 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
5312 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
5314 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
5315 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
5316 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
5319 #if SIZEOF_REGISTER == 4
5320 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
5323 /* other jit icalls */
5324 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
5325 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
5326 "ptr ptr ptr", FALSE);
5327 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
5328 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
5329 "ptr ptr ptr ptr", FALSE);
5330 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
5331 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
5332 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
5333 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
5334 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
5335 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
5336 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
5337 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
5338 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
5339 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
5340 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
5341 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
5342 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
5343 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
5344 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
5345 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
5346 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
5347 register_icall (mono_break, "mono_break", NULL, TRUE);
5348 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
5349 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
5350 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
5351 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
5352 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
5355 mono_generic_sharing_init ();
5357 #ifdef MONO_ARCH_SIMD_INTRINSICS
5358 mono_simd_intrinsics_init ();
5361 if (mono_compile_aot)
5363 * Avoid running managed code when AOT compiling, since the platform
5364 * might only support aot-only execution.
5366 mono_runtime_set_no_exec (TRUE);
5368 #define JIT_RUNTIME_WORKS
5369 #ifdef JIT_RUNTIME_WORKS
5370 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
5371 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
5372 mono_thread_attach (domain);
5375 mono_profiler_runtime_initialized ();
5377 MONO_PROBE_VES_INIT_END ();
5382 MonoJitStats mono_jit_stats = {0};
5385 print_jit_stats (void)
5387 if (mono_jit_stats.enabled) {
5388 g_print ("Mono Jit statistics\n");
5389 g_print ("Compiled methods: %ld\n", mono_jit_stats.methods_compiled);
5390 g_print ("Methods from AOT: %ld\n", mono_jit_stats.methods_aot);
5391 g_print ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups);
5392 g_print ("Method trampolines: %ld\n", mono_jit_stats.method_trampolines);
5393 g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks);
5394 g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks);
5395 g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var);
5396 g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size);
5397 g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size);
5398 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
5399 mono_jit_stats.max_ratio_method);
5400 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
5401 mono_jit_stats.biggest_method);
5402 g_print ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs);
5403 g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size);
5404 g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods);
5405 g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods);
5406 g_print ("Regvars: %ld\n", mono_jit_stats.regvars);
5407 g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size);
5409 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
5410 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
5411 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
5412 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
5413 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
5414 g_print ("Methods: %ld\n", mono_stats.method_count);
5415 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
5416 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
5417 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
5419 g_print ("\nGeneric instances: %ld\n", mono_stats.generic_instance_count);
5420 g_print ("Initialized classes: %ld\n", mono_stats.generic_class_count);
5421 g_print ("Inflated methods: %ld / %ld\n", mono_stats.inflated_method_count_2,
5422 mono_stats.inflated_method_count);
5423 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
5424 g_print ("Generics metadata size: %ld\n", mono_stats.generics_metadata_size);
5425 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
5427 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
5428 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
5429 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
5431 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
5432 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
5433 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
5435 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
5436 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
5437 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
5438 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
5439 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
5440 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
5441 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
5442 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
5444 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
5445 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
5446 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
5448 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
5450 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
5452 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
5454 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
5456 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
5457 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
5458 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
5459 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
5460 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
5461 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
5462 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
5463 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
5466 g_free (mono_jit_stats.max_ratio_method);
5467 mono_jit_stats.max_ratio_method = NULL;
5468 g_free (mono_jit_stats.biggest_method);
5469 mono_jit_stats.biggest_method = NULL;
5474 mini_cleanup (MonoDomain *domain)
5476 #ifdef HAVE_LINUX_RTC_H
5478 enable_rtc_timer (FALSE);
5482 cominterop_release_all_rcws ();
5486 * mono_runtime_cleanup() and mono_domain_finalize () need to
5487 * be called early since they need the execution engine still
5488 * fully working (mono_domain_finalize may invoke managed finalizers
5489 * and mono_runtime_cleanup will wait for other threads to finish).
5491 mono_domain_finalize (domain, 2000);
5493 /* This accesses metadata so needs to be called before runtime shutdown */
5496 mono_runtime_cleanup (domain);
5498 mono_profiler_shutdown ();
5500 mono_icall_cleanup ();
5502 mono_runtime_cleanup_handlers ();
5504 mono_domain_free (domain, TRUE);
5506 mono_debugger_cleanup ();
5508 mono_trampolines_cleanup ();
5510 mono_unwind_cleanup ();
5512 if (!mono_dont_free_global_codeman)
5513 mono_code_manager_destroy (global_codeman);
5514 g_hash_table_destroy (jit_icall_name_hash);
5515 g_free (emul_opcode_map);
5517 mono_arch_cleanup ();
5521 mono_trace_cleanup ();
5523 mono_counters_dump (-1, stdout);
5525 if (mono_inject_async_exc_method)
5526 mono_method_desc_free (mono_inject_async_exc_method);
5528 TlsFree(mono_jit_tls_id);
5530 DeleteCriticalSection (&jit_mutex);
5532 DeleteCriticalSection (&mono_delegate_section);
5536 mono_set_defaults (int verbose_level, guint32 opts)
5538 mini_verbose = verbose_level;
5540 default_opt_set = TRUE;
5544 * mono_get_runtime_build_info:
5546 * Return the runtime version + build date in string format.
5547 * The returned string is owned by the caller.
5550 mono_get_runtime_build_info (void)
5552 if (mono_build_date)
5553 return g_strdup_printf ("%s %s", FULL_VERSION, mono_build_date);
5555 return g_strdup_printf ("%s", FULL_VERSION);
5559 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
5561 GHashTable *assemblies = (GHashTable*)user_data;
5562 MonoImage *image = mono_assembly_get_image (ass);
5563 MonoMethod *method, *invoke;
5566 if (g_hash_table_lookup (assemblies, ass))
5569 g_hash_table_insert (assemblies, ass, ass);
5571 if (mini_verbose > 0)
5572 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
5574 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
5575 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
5576 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
5580 if (mini_verbose > 1) {
5581 char * desc = mono_method_full_name (method, TRUE);
5582 g_print ("Compiling %d %s\n", count, desc);
5585 mono_compile_method (method);
5586 if (strcmp (method->name, "Finalize") == 0) {
5587 invoke = mono_marshal_get_runtime_invoke (method);
5588 mono_compile_method (invoke);
5590 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
5591 invoke = mono_marshal_get_remoting_invoke_with_check (method);
5592 mono_compile_method (invoke);
5596 /* Load and precompile referenced assemblies as well */
5597 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
5598 mono_assembly_load_reference (image, i);
5599 if (image->references [i])
5600 mono_precompile_assembly (image->references [i], assemblies);
5604 void mono_precompile_assemblies ()
5606 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
5608 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
5610 g_hash_table_destroy (assemblies);