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);
334 static inline GSList*
335 g_slist_append_mempool (MonoMemPool *mp, GSList *list, gpointer data)
340 new_list = mono_mempool_alloc (mp, sizeof (GSList));
341 new_list->data = data;
342 new_list->next = NULL;
348 last->next = new_list;
356 * mono_emit_unwind_op:
358 * Add an unwind op with the given parameters for the list of unwind ops stored in
362 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
364 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
371 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
375 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
377 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
380 res->has_context = context != NULL;
382 memcpy (&res->context, context, sizeof (MonoGenericContext));
388 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
390 return mono_jump_info_token_new2 (mp, image, token, NULL);
393 #define MONO_INIT_VARINFO(vi,id) do { \
394 (vi)->range.first_use.pos.bid = 0xffff; \
400 * mono_unlink_bblock:
402 * Unlink two basic blocks.
405 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
411 for (i = 0; i < from->out_count; ++i) {
412 if (to == from->out_bb [i]) {
419 for (i = 0; i < from->out_count; ++i) {
420 if (from->out_bb [i] != to)
421 from->out_bb [pos ++] = from->out_bb [i];
423 g_assert (pos == from->out_count - 1);
428 for (i = 0; i < to->in_count; ++i) {
429 if (from == to->in_bb [i]) {
436 for (i = 0; i < to->in_count; ++i) {
437 if (to->in_bb [i] != from)
438 to->in_bb [pos ++] = to->in_bb [i];
440 g_assert (pos == to->in_count - 1);
446 * mono_bblocks_linked:
448 * Return whenever BB1 and BB2 are linked in the CFG.
451 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
455 for (i = 0; i < bb1->out_count; ++i) {
456 if (bb1->out_bb [i] == bb2)
464 mono_find_spvar_for_region (MonoCompile *cfg, int region)
466 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
470 mono_find_exvar_for_offset (MonoCompile *cfg, int offset)
472 return g_hash_table_lookup (cfg->exvars, GINT_TO_POINTER (offset));
476 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
480 array [*dfn] = start;
481 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
482 for (i = 0; i < start->out_count; ++i) {
483 if (start->out_bb [i]->dfn)
486 start->out_bb [i]->dfn = *dfn;
487 start->out_bb [i]->df_parent = start;
488 array [*dfn] = start->out_bb [i];
489 df_visit (start->out_bb [i], dfn, array);
494 mono_reverse_branch_op (guint32 opcode)
496 static const int reverse_map [] = {
497 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
498 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
500 static const int reverse_fmap [] = {
501 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
502 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
504 static const int reverse_lmap [] = {
505 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
506 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
508 static const int reverse_imap [] = {
509 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
510 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
513 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
514 opcode = reverse_map [opcode - CEE_BEQ];
515 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
516 opcode = reverse_fmap [opcode - OP_FBEQ];
517 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
518 opcode = reverse_lmap [opcode - OP_LBEQ];
519 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
520 opcode = reverse_imap [opcode - OP_IBEQ];
522 g_assert_not_reached ();
528 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
531 return OP_STORE_MEMBASE_REG;
534 switch (type->type) {
537 case MONO_TYPE_BOOLEAN:
538 return OP_STOREI1_MEMBASE_REG;
542 return OP_STOREI2_MEMBASE_REG;
545 return OP_STOREI4_MEMBASE_REG;
549 case MONO_TYPE_FNPTR:
550 return OP_STORE_MEMBASE_REG;
551 case MONO_TYPE_CLASS:
552 case MONO_TYPE_STRING:
553 case MONO_TYPE_OBJECT:
554 case MONO_TYPE_SZARRAY:
555 case MONO_TYPE_ARRAY:
556 return OP_STORE_MEMBASE_REG;
559 return OP_STOREI8_MEMBASE_REG;
561 return OP_STORER4_MEMBASE_REG;
563 return OP_STORER8_MEMBASE_REG;
564 case MONO_TYPE_VALUETYPE:
565 if (type->data.klass->enumtype) {
566 type = type->data.klass->enum_basetype;
569 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
570 return OP_STOREX_MEMBASE;
571 return OP_STOREV_MEMBASE;
572 case MONO_TYPE_TYPEDBYREF:
573 return OP_STOREV_MEMBASE;
574 case MONO_TYPE_GENERICINST:
575 type = &type->data.generic_class->container_class->byval_arg;
579 /* FIXME: all the arguments must be references for now,
580 * later look inside cfg and see if the arg num is
583 g_assert (cfg->generic_sharing_context);
584 return OP_STORE_MEMBASE_REG;
586 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
592 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
595 return OP_LOAD_MEMBASE;
597 switch (mono_type_get_underlying_type (type)->type) {
599 return OP_LOADI1_MEMBASE;
601 case MONO_TYPE_BOOLEAN:
602 return OP_LOADU1_MEMBASE;
604 return OP_LOADI2_MEMBASE;
607 return OP_LOADU2_MEMBASE;
609 return OP_LOADI4_MEMBASE;
611 return OP_LOADU4_MEMBASE;
615 case MONO_TYPE_FNPTR:
616 return OP_LOAD_MEMBASE;
617 case MONO_TYPE_CLASS:
618 case MONO_TYPE_STRING:
619 case MONO_TYPE_OBJECT:
620 case MONO_TYPE_SZARRAY:
621 case MONO_TYPE_ARRAY:
622 return OP_LOAD_MEMBASE;
625 return OP_LOADI8_MEMBASE;
627 return OP_LOADR4_MEMBASE;
629 return OP_LOADR8_MEMBASE;
630 case MONO_TYPE_VALUETYPE:
631 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
632 return OP_LOADX_MEMBASE;
633 case MONO_TYPE_TYPEDBYREF:
634 return OP_LOADV_MEMBASE;
635 case MONO_TYPE_GENERICINST:
636 if (mono_type_generic_inst_is_valuetype (type))
637 return OP_LOADV_MEMBASE;
639 return OP_LOAD_MEMBASE;
643 /* FIXME: all the arguments must be references for now,
644 * later look inside cfg and see if the arg num is
647 g_assert (cfg->generic_sharing_context);
648 return OP_LOAD_MEMBASE;
650 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
656 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
658 if (cfg->generic_sharing_context && !type->byref) {
659 /* FIXME: all the arguments must be references for now,
660 * later look inside cfg and see if the arg num is
663 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
664 return CEE_LDIND_REF;
666 return mono_type_to_ldind (type);
670 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
672 if (cfg->generic_sharing_context && !type->byref) {
673 /* FIXME: all the arguments must be references for now,
674 * later look inside cfg and see if the arg num is
677 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
678 return CEE_STIND_REF;
680 return mono_type_to_stind (type);
684 mono_op_imm_to_op (int opcode)
688 #if SIZEOF_VOID_P == 4
704 #if SIZEOF_VOID_P == 4
742 #if SIZEOF_VOID_P == 4
748 #if SIZEOF_VOID_P == 4
767 case OP_ICOMPARE_IMM:
769 case OP_LOCALLOC_IMM:
772 printf ("%s\n", mono_inst_name (opcode));
773 g_assert_not_reached ();
779 * mono_decompose_op_imm:
781 * Replace the OP_.._IMM INS with its non IMM variant.
784 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
788 MONO_INST_NEW (cfg, temp, OP_ICONST);
789 temp->inst_c0 = ins->inst_imm;
790 temp->dreg = mono_alloc_ireg (cfg);
791 mono_bblock_insert_before_ins (bb, ins, temp);
792 ins->opcode = mono_op_imm_to_op (ins->opcode);
793 if (ins->opcode == OP_LOCALLOC)
794 ins->sreg1 = temp->dreg;
796 ins->sreg2 = temp->dreg;
798 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
802 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
804 if (vreg >= cfg->vreg_to_inst_len) {
805 MonoInst **tmp = cfg->vreg_to_inst;
806 int size = cfg->vreg_to_inst_len;
808 while (vreg >= cfg->vreg_to_inst_len)
809 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
810 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
812 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
814 cfg->vreg_to_inst [vreg] = inst;
817 #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)))
818 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
821 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
824 int num = cfg->num_varinfo;
827 if ((num + 1) >= cfg->varinfo_count) {
828 int orig_count = cfg->varinfo_count;
829 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
830 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
831 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
832 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
835 mono_jit_stats.allocate_var++;
837 MONO_INST_NEW (cfg, inst, opcode);
839 inst->inst_vtype = type;
840 inst->klass = mono_class_from_mono_type (type);
841 type_to_eval_stack_type (cfg, type, inst);
842 /* if set to 1 the variable is native */
843 inst->backend.is_pinvoke = 0;
846 cfg->varinfo [num] = inst;
848 MONO_INIT_VARINFO (&cfg->vars [num], num);
851 set_vreg_to_inst (cfg, vreg, inst);
853 #if SIZEOF_VOID_P == 4
854 #ifdef MONO_ARCH_SOFT_FLOAT
855 regpair = mono_type_is_long (type) || mono_type_is_float (type);
857 regpair = mono_type_is_long (type);
867 * These two cannot be allocated using create_var_for_vreg since that would
868 * put it into the cfg->varinfo array, confusing many parts of the JIT.
872 * Set flags to VOLATILE so SSA skips it.
875 if (cfg->verbose_level >= 4) {
876 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
879 #ifdef MONO_ARCH_SOFT_FLOAT
880 if (cfg->opt & MONO_OPT_SSA) {
881 if (mono_type_is_float (type))
882 inst->flags = MONO_INST_VOLATILE;
886 /* Allocate a dummy MonoInst for the first vreg */
887 MONO_INST_NEW (cfg, tree, OP_LOCAL);
888 tree->dreg = inst->dreg + 1;
889 if (cfg->opt & MONO_OPT_SSA)
890 tree->flags = MONO_INST_VOLATILE;
892 tree->type = STACK_I4;
893 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
894 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
896 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
898 /* Allocate a dummy MonoInst for the second vreg */
899 MONO_INST_NEW (cfg, tree, OP_LOCAL);
900 tree->dreg = inst->dreg + 2;
901 if (cfg->opt & MONO_OPT_SSA)
902 tree->flags = MONO_INST_VOLATILE;
904 tree->type = STACK_I4;
905 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
906 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
908 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
912 if (cfg->verbose_level > 2)
913 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
918 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
922 if (mono_type_is_long (type))
923 dreg = mono_alloc_dreg (cfg, STACK_I8);
924 #ifdef MONO_ARCH_SOFT_FLOAT
925 else if (mono_type_is_float (type))
926 dreg = mono_alloc_dreg (cfg, STACK_R8);
929 /* All the others are unified */
930 dreg = mono_alloc_preg (cfg);
932 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
936 * Transform a MonoInst into a load from the variable of index var_index.
939 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
940 memset (dest, 0, sizeof (MonoInst));
941 dest->ssa_op = MONO_SSA_LOAD;
942 dest->inst_i0 = cfg->varinfo [var_index];
943 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
944 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
945 dest->klass = dest->inst_i0->klass;
949 type_from_stack_type (MonoInst *ins) {
951 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
952 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
953 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
954 case STACK_R8: return &mono_defaults.double_class->byval_arg;
957 * this if used to be commented without any specific reason, but
958 * it breaks #80235 when commented
961 return &ins->klass->this_arg;
963 return &mono_defaults.object_class->this_arg;
965 /* ins->klass may not be set for ldnull.
966 * Also, if we have a boxed valuetype, we want an object lass,
967 * not the valuetype class
969 if (ins->klass && !ins->klass->valuetype)
970 return &ins->klass->byval_arg;
971 return &mono_defaults.object_class->byval_arg;
972 case STACK_VTYPE: return &ins->klass->byval_arg;
974 g_error ("stack type %d to montype not handled\n", ins->type);
980 mono_type_from_stack_type (MonoInst *ins) {
981 return type_from_stack_type (ins);
985 * mono_add_ins_to_end:
987 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
990 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
995 MONO_ADD_INS (bb, inst);
999 switch (bb->last_ins->opcode) {
1013 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1016 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1017 /* Need to insert the ins before the compare */
1018 if (bb->code == bb->last_ins) {
1019 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1023 if (bb->code->next == bb->last_ins) {
1024 /* Only two instructions */
1025 opcode = bb->code->opcode;
1027 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)) {
1029 mono_bblock_insert_before_ins (bb, bb->code, inst);
1031 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1034 opcode = bb->last_ins->prev->opcode;
1036 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)) {
1038 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1040 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1045 MONO_ADD_INS (bb, inst);
1051 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1053 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1054 MonoJumpInfoBBTable *table;
1056 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1058 table->table_size = num_blocks;
1060 ji->ip.label = label;
1061 ji->type = MONO_PATCH_INFO_SWITCH;
1062 ji->data.table = table;
1063 ji->next = cfg->patch_info;
1064 cfg->patch_info = ji;
1067 static MonoMethodSignature *
1068 mono_get_array_new_va_signature (int arity)
1070 static GHashTable *sighash = NULL;
1071 MonoMethodSignature *res;
1076 sighash = g_hash_table_new (NULL, NULL);
1078 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1083 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1086 #ifdef MONO_ARCH_VARARG_ICALLS
1087 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1088 res->call_convention = MONO_CALL_VARARG;
1091 #ifdef PLATFORM_WIN32
1092 res->call_convention = MONO_CALL_C;
1095 res->params [0] = &mono_defaults.int_class->byval_arg;
1096 for (i = 0; i < arity; i++)
1097 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1099 res->ret = &mono_defaults.object_class->byval_arg;
1101 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1108 mono_get_array_new_va_icall (int rank)
1110 MonoMethodSignature *esig;
1111 char icall_name [256];
1113 MonoJitICallInfo *info;
1115 /* Need to register the icall so it gets an icall wrapper */
1116 sprintf (icall_name, "ves_array_new_va_%d", rank);
1119 info = mono_find_jit_icall_by_name (icall_name);
1121 esig = mono_get_array_new_va_signature (rank);
1122 name = g_strdup (icall_name);
1123 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1125 g_hash_table_insert (jit_icall_name_hash, name, name);
1133 mini_class_is_system_array (MonoClass *klass)
1135 if (klass->parent == mono_defaults.array_class)
1141 static MonoJitICallInfo **emul_opcode_map = NULL;
1144 mono_find_jit_opcode_emulation (int opcode)
1146 g_assert (opcode >= 0 && opcode <= OP_LAST);
1147 if (emul_opcode_map)
1148 return emul_opcode_map [opcode];
1154 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1156 MonoAssembly *assembly = method->klass->image->assembly;
1157 if (method->wrapper_type != MONO_WRAPPER_NONE)
1159 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1161 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1163 return mono_assembly_has_skip_verification (assembly);
1167 * mini_method_verify:
1169 * Verify the method using the new verfier.
1171 * Returns true if the method is invalid.
1174 mini_method_verify (MonoCompile *cfg, MonoMethod *method)
1177 gboolean is_fulltrust;
1178 MonoLoaderError *error;
1180 if (method->verification_success)
1183 is_fulltrust = mono_verifier_is_method_full_trust (method);
1185 if (!mono_verifier_is_enabled_for_method (method))
1188 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility);
1190 if ((error = mono_loader_get_last_error ())) {
1191 cfg->exception_type = error->exception_type;
1193 mono_free_verify_list (res);
1198 for (tmp = res; tmp; tmp = tmp->next) {
1199 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1200 if (info->info.status == MONO_VERIFY_ERROR) {
1201 cfg->exception_type = info->exception_type;
1202 cfg->exception_message = g_strdup (info->info.message);
1203 mono_free_verify_list (res);
1206 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && !is_fulltrust) {
1207 cfg->exception_type = info->exception_type;
1208 cfg->exception_message = g_strdup (info->info.message);
1209 mono_free_verify_list (res);
1213 mono_free_verify_list (res);
1215 method->verification_success = 1;
1220 create_helper_signature (void)
1222 helper_sig_domain_get = mono_create_icall_signature ("ptr");
1223 helper_sig_class_init_trampoline = mono_create_icall_signature ("void");
1224 helper_sig_generic_class_init_trampoline = mono_create_icall_signature ("void");
1225 helper_sig_rgctx_lazy_fetch_trampoline = mono_create_icall_signature ("ptr ptr");
1226 helper_sig_monitor_enter_exit_trampoline = mono_create_icall_signature ("void");
1229 static gconstpointer
1230 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1233 MonoMethod *wrapper;
1234 gconstpointer trampoline;
1235 MonoDomain *domain = mono_get_root_domain ();
1237 if (callinfo->wrapper) {
1238 return callinfo->wrapper;
1241 if (callinfo->trampoline)
1242 return callinfo->trampoline;
1245 * We use the lock on the root domain instead of the JIT lock to protect
1246 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1248 mono_domain_lock (domain);
1250 if (callinfo->trampoline) {
1251 mono_domain_unlock (domain);
1252 return callinfo->trampoline;
1255 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1256 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1260 trampoline = mono_compile_method (wrapper);
1262 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1263 mono_register_jit_icall_wrapper (callinfo, trampoline);
1265 callinfo->trampoline = trampoline;
1267 mono_domain_unlock (domain);
1269 return callinfo->trampoline;
1273 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1275 return mono_icall_get_wrapper_full (callinfo, FALSE);
1279 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1281 if (!domain_jit_info (domain)->dynamic_code_hash)
1282 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1283 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1286 static MonoJitDynamicMethodInfo*
1287 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1289 MonoJitDynamicMethodInfo *res;
1291 if (domain_jit_info (domain)->dynamic_code_hash)
1292 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1300 GList *active, *inactive;
1305 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1307 MonoMethodVar *v1 = (MonoMethodVar*)a;
1308 MonoMethodVar *v2 = (MonoMethodVar*)b;
1312 else if (v1->interval->range && v2->interval->range)
1313 return v1->interval->range->from - v2->interval->range->from;
1314 else if (v1->interval->range)
1323 #define LSCAN_DEBUG(a) do { a; } while (0)
1325 #define LSCAN_DEBUG(a)
1329 mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1331 int i, slot, offset, size;
1336 GList *vars = NULL, *l, *unhandled;
1337 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1341 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1343 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1344 vtype_stack_slots = NULL;
1347 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1348 for (i = 0; i < cfg->num_varinfo; ++i)
1351 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1352 inst = cfg->varinfo [i];
1353 vmv = MONO_VARINFO (cfg, i);
1355 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1358 vars = g_list_prepend (vars, vmv);
1361 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1366 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1367 MonoMethodVar *current = unhandled->data;
1369 if (current->interval->range) {
1370 g_assert (current->interval->range->from >= i);
1371 i = current->interval->range->from;
1378 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1379 MonoMethodVar *current = unhandled->data;
1382 inst = cfg->varinfo [vmv->idx];
1384 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1385 * pinvoke wrappers when they call functions returning structures */
1386 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF)
1387 size = mono_class_native_size (inst->inst_vtype->data.klass, &align);
1391 size = mono_type_size (inst->inst_vtype, &ialign);
1395 t = mono_type_get_underlying_type (inst->inst_vtype);
1397 case MONO_TYPE_GENERICINST:
1398 if (!mono_type_generic_inst_is_valuetype (t)) {
1399 slot_info = &scalar_stack_slots [t->type];
1403 case MONO_TYPE_VALUETYPE:
1404 if (!vtype_stack_slots)
1405 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1406 for (i = 0; i < nvtypes; ++i)
1407 if (t->data.klass == vtype_stack_slots [i].vtype)
1410 slot_info = &vtype_stack_slots [i];
1412 g_assert (nvtypes < 256);
1413 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1414 slot_info = &vtype_stack_slots [nvtypes];
1418 case MONO_TYPE_CLASS:
1419 case MONO_TYPE_OBJECT:
1420 case MONO_TYPE_ARRAY:
1421 case MONO_TYPE_SZARRAY:
1422 case MONO_TYPE_STRING:
1426 #if SIZEOF_VOID_P == 4
1430 /* Share non-float stack slots of the same size */
1431 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1435 slot_info = &scalar_stack_slots [t->type];
1439 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1443 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1445 if (!current->interval->range) {
1446 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1450 inst->flags |= MONO_INST_IS_DEAD;
1455 pos = current->interval->range->from;
1457 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1458 if (current->interval->range)
1459 LSCAN_DEBUG (mono_linterval_print (current->interval));
1460 LSCAN_DEBUG (printf ("\n"));
1462 /* Check for intervals in active which expired or inactive */
1464 /* FIXME: Optimize this */
1467 for (l = slot_info->active; l != NULL; l = l->next) {
1468 MonoMethodVar *v = (MonoMethodVar*)l->data;
1470 if (v->interval->last_range->to < pos) {
1471 slot_info->active = g_list_delete_link (slot_info->active, l);
1472 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1473 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1477 else if (!mono_linterval_covers (v->interval, pos)) {
1478 slot_info->inactive = g_list_append (slot_info->inactive, v);
1479 slot_info->active = g_list_delete_link (slot_info->active, l);
1480 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1487 /* Check for intervals in inactive which expired or active */
1489 /* FIXME: Optimize this */
1492 for (l = slot_info->inactive; l != NULL; l = l->next) {
1493 MonoMethodVar *v = (MonoMethodVar*)l->data;
1495 if (v->interval->last_range->to < pos) {
1496 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1497 // FIXME: Enabling this seems to cause impossible to debug crashes
1498 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1499 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1503 else if (mono_linterval_covers (v->interval, pos)) {
1504 slot_info->active = g_list_append (slot_info->active, v);
1505 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1506 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1514 * This also handles the case when the variable is used in an
1515 * exception region, as liveness info is not computed there.
1518 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1521 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1522 if (slot_info->slots) {
1523 slot = GPOINTER_TO_INT (slot_info->slots->data);
1525 slot_info->slots = slot_info->slots->next;
1528 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1530 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1536 static int count = 0;
1539 if (count == atoi (getenv ("COUNT3")))
1540 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1541 if (count > atoi (getenv ("COUNT3")))
1544 mono_print_ins (inst);
1549 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1551 if (slot == 0xffffff) {
1553 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1554 * efficient copying (and to work around the fact that OP_MEMCPY
1555 * and OP_MEMSET ignores alignment).
1557 if (MONO_TYPE_ISSTRUCT (t))
1558 align = MAX (sizeof (gpointer), mono_class_min_align (mono_class_from_mono_type (t)));
1562 offset += align - 1;
1563 offset &= ~(align - 1);
1567 offset += align - 1;
1568 offset &= ~(align - 1);
1573 if (*stack_align == 0)
1574 *stack_align = align;
1577 offsets [vmv->idx] = slot;
1580 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1581 if (scalar_stack_slots [i].active)
1582 g_list_free (scalar_stack_slots [i].active);
1584 for (i = 0; i < nvtypes; ++i) {
1585 if (vtype_stack_slots [i].active)
1586 g_list_free (vtype_stack_slots [i].active);
1589 mono_jit_stats.locals_stack_size += offset;
1591 *stack_size = offset;
1596 * mono_allocate_stack_slots_full:
1598 * Allocate stack slots for all non register allocated variables using a
1599 * linear scan algorithm.
1600 * Returns: an array of stack offsets.
1601 * STACK_SIZE is set to the amount of stack space needed.
1602 * STACK_ALIGN is set to the alignment needed by the locals area.
1605 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1607 int i, slot, offset, size;
1612 GList *vars = NULL, *l;
1613 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1617 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1618 return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
1620 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1621 vtype_stack_slots = NULL;
1624 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1625 for (i = 0; i < cfg->num_varinfo; ++i)
1628 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1629 inst = cfg->varinfo [i];
1630 vmv = MONO_VARINFO (cfg, i);
1632 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1635 vars = g_list_prepend (vars, vmv);
1638 vars = mono_varlist_sort (cfg, vars, 0);
1640 *stack_align = sizeof (gpointer);
1641 for (l = vars; l; l = l->next) {
1643 inst = cfg->varinfo [vmv->idx];
1645 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1646 * pinvoke wrappers when they call functions returning structures */
1647 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF)
1648 size = mono_class_native_size (inst->inst_vtype->data.klass, &align);
1652 size = mono_type_size (inst->inst_vtype, &ialign);
1656 t = mono_type_get_underlying_type (inst->inst_vtype);
1658 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1661 case MONO_TYPE_GENERICINST:
1662 if (!mono_type_generic_inst_is_valuetype (t)) {
1663 slot_info = &scalar_stack_slots [t->type];
1667 case MONO_TYPE_VALUETYPE:
1668 if (!vtype_stack_slots)
1669 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1670 for (i = 0; i < nvtypes; ++i)
1671 if (t->data.klass == vtype_stack_slots [i].vtype)
1674 slot_info = &vtype_stack_slots [i];
1676 g_assert (nvtypes < 256);
1677 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1678 slot_info = &vtype_stack_slots [nvtypes];
1682 case MONO_TYPE_CLASS:
1683 case MONO_TYPE_OBJECT:
1684 case MONO_TYPE_ARRAY:
1685 case MONO_TYPE_SZARRAY:
1686 case MONO_TYPE_STRING:
1690 #if SIZEOF_VOID_P == 4
1695 /* Share non-float stack slots of the same size */
1696 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1699 slot_info = &scalar_stack_slots [t->type];
1704 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1705 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1707 /* expire old intervals in active */
1708 while (slot_info->active) {
1709 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
1711 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
1714 //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);
1716 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
1717 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
1721 * This also handles the case when the variable is used in an
1722 * exception region, as liveness info is not computed there.
1725 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1728 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1729 if (slot_info->slots) {
1730 slot = GPOINTER_TO_INT (slot_info->slots->data);
1732 slot_info->slots = slot_info->slots->next;
1735 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1740 static int count = 0;
1744 if (count == atoi (getenv ("COUNT")))
1745 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1746 if (count > atoi (getenv ("COUNT")))
1749 mono_print_ins (inst);
1754 if (cfg->disable_reuse_stack_slots)
1757 if (slot == 0xffffff) {
1759 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1760 * efficient copying (and to work around the fact that OP_MEMCPY
1761 * and OP_MEMSET ignores alignment).
1763 if (MONO_TYPE_ISSTRUCT (t)) {
1764 align = MAX (sizeof (gpointer), mono_class_min_align (mono_class_from_mono_type (t)));
1766 * Align the size too so the code generated for passing vtypes in
1767 * registers doesn't overwrite random locals.
1769 size = (size + (align - 1)) & ~(align -1);
1774 offset += align - 1;
1775 offset &= ~(align - 1);
1779 offset += align - 1;
1780 offset &= ~(align - 1);
1785 *stack_align = MAX (*stack_align, align);
1788 offsets [vmv->idx] = slot;
1791 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1792 if (scalar_stack_slots [i].active)
1793 g_list_free (scalar_stack_slots [i].active);
1795 for (i = 0; i < nvtypes; ++i) {
1796 if (vtype_stack_slots [i].active)
1797 g_list_free (vtype_stack_slots [i].active);
1800 mono_jit_stats.locals_stack_size += offset;
1802 *stack_size = offset;
1807 mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align)
1809 return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align);
1815 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1817 g_assert_not_reached ();
1821 #endif /* DISABLE_JIT */
1824 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
1826 MonoJitICallInfo *info;
1827 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
1829 if (!emul_opcode_map)
1830 emul_opcode_map = g_new0 (MonoJitICallInfo*, OP_LAST + 1);
1832 g_assert (!sig->hasthis);
1833 g_assert (sig->param_count < 3);
1835 info = mono_register_jit_icall (func, name, sig, no_throw);
1837 emul_opcode_map [opcode] = info;
1841 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
1843 MonoMethodSignature *sig;
1846 sig = mono_create_icall_signature (sigstr);
1850 mono_register_jit_icall (func, name, sig, save);
1854 print_dfn (MonoCompile *cfg) {
1860 g_print ("IR code for method %s\n", mono_method_full_name (cfg->method, TRUE));
1862 for (i = 0; i < cfg->num_bblocks; ++i) {
1863 bb = cfg->bblocks [i];
1864 /*if (bb->cil_code) {
1865 char* code1, *code2;
1866 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
1867 if (bb->last_ins->cil_code)
1868 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
1870 code2 = g_strdup ("");
1872 code1 [strlen (code1) - 1] = 0;
1873 code = g_strdup_printf ("%s -> %s", code1, code2);
1877 code = g_strdup ("\n");
1878 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
1879 MONO_BB_FOR_EACH_INS (bb, c) {
1880 mono_print_ins_index (-1, c);
1883 g_print ("\tprev:");
1884 for (j = 0; j < bb->in_count; ++j) {
1885 g_print (" BB%d", bb->in_bb [j]->block_num);
1887 g_print ("\t\tsucc:");
1888 for (j = 0; j < bb->out_count; ++j) {
1889 g_print (" BB%d", bb->out_bb [j]->block_num);
1891 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
1894 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
1897 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
1899 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
1907 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
1909 MONO_ADD_INS (bb, inst);
1913 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
1917 bb->code = ins_to_insert;
1919 /* Link with next */
1920 ins_to_insert->next = ins;
1922 ins->prev = ins_to_insert;
1924 if (bb->last_ins == NULL)
1925 bb->last_ins = ins_to_insert;
1927 /* Link with next */
1928 ins_to_insert->next = ins->next;
1930 ins->next->prev = ins_to_insert;
1932 /* Link with previous */
1933 ins->next = ins_to_insert;
1934 ins_to_insert->prev = ins;
1936 if (bb->last_ins == ins)
1937 bb->last_ins = ins_to_insert;
1942 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
1947 bb->code = ins_to_insert;
1948 ins_to_insert->next = ins;
1949 if (bb->last_ins == NULL)
1950 bb->last_ins = ins_to_insert;
1952 /* Link with previous */
1954 ins->prev->next = ins_to_insert;
1955 ins_to_insert->prev = ins->prev;
1957 /* Link with next */
1958 ins->prev = ins_to_insert;
1959 ins_to_insert->next = ins;
1961 if (bb->code == ins)
1962 bb->code = ins_to_insert;
1967 * mono_verify_bblock:
1969 * Verify that the next and prev pointers are consistent inside the instructions in BB.
1972 mono_verify_bblock (MonoBasicBlock *bb)
1974 MonoInst *ins, *prev;
1977 for (ins = bb->code; ins; ins = ins->next) {
1978 g_assert (ins->prev == prev);
1982 g_assert (!bb->last_ins->next);
1988 * Perform consistency checks on the JIT data structures and the IR
1991 mono_verify_cfg (MonoCompile *cfg)
1995 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
1996 mono_verify_bblock (bb);
2000 mono_destroy_compile (MonoCompile *cfg)
2002 //mono_mempool_stats (cfg->mempool);
2003 mono_free_loop_info (cfg);
2005 mono_regstate_free (cfg->rs);
2007 g_hash_table_destroy (cfg->spvars);
2009 g_hash_table_destroy (cfg->exvars);
2010 mono_mempool_destroy (cfg->mempool);
2011 g_list_free (cfg->ldstr_list);
2012 g_hash_table_destroy (cfg->token_info_hash);
2013 if (cfg->abs_patches)
2014 g_hash_table_destroy (cfg->abs_patches);
2016 g_free (cfg->varinfo);
2018 g_free (cfg->exception_message);
2022 #ifdef HAVE_KW_THREAD
2023 static __thread gpointer mono_lmf_addr MONO_TLS_FAST;
2024 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2026 * When this is defined, the current lmf is stored in this tls variable instead of in
2029 static __thread gpointer mono_lmf MONO_TLS_FAST;
2034 mono_get_jit_tls_key (void)
2036 return mono_jit_tls_id;
2040 mono_get_jit_tls_offset (void)
2042 #ifdef HAVE_KW_THREAD
2044 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2052 mono_get_lmf_tls_offset (void)
2054 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2056 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2064 mono_get_lmf_addr_tls_offset (void)
2067 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2074 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2077 MonoJitTlsData *jit_tls;
2079 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2080 return jit_tls->lmf;
2082 g_assert_not_reached ();
2088 mono_get_lmf_addr (void)
2090 #ifdef HAVE_KW_THREAD
2091 return mono_lmf_addr;
2093 MonoJitTlsData *jit_tls;
2095 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2096 return &jit_tls->lmf;
2098 g_assert_not_reached ();
2103 /* Called by native->managed wrappers */
2105 mono_jit_thread_attach (MonoDomain *domain)
2107 #ifdef HAVE_KW_THREAD
2108 if (!mono_lmf_addr) {
2109 mono_thread_attach (domain);
2112 if (!TlsGetValue (mono_jit_tls_id))
2113 mono_thread_attach (domain);
2115 if (mono_domain_get () != domain)
2116 mono_domain_set (domain, TRUE);
2120 * mono_thread_abort:
2121 * @obj: exception object
2123 * abort the thread, print exception information and stack trace
2126 mono_thread_abort (MonoObject *obj)
2128 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2130 /* handle_remove should be eventually called for this thread, too
2133 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2134 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2135 mono_thread_exit ();
2137 exit (mono_environment_exitcode_get ());
2142 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2144 MonoJitTlsData *jit_tls;
2147 jit_tls = TlsGetValue (mono_jit_tls_id);
2151 jit_tls = g_new0 (MonoJitTlsData, 1);
2153 TlsSetValue (mono_jit_tls_id, jit_tls);
2155 #ifdef HAVE_KW_THREAD
2156 mono_jit_tls = jit_tls;
2159 jit_tls->abort_func = abort_func;
2160 jit_tls->end_of_stack = stack_start;
2162 lmf = g_new0 (MonoLMF, 1);
2163 #ifdef MONO_ARCH_INIT_TOP_LMF_ENTRY
2164 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2169 jit_tls->first_lmf = lmf;
2171 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2172 /* jit_tls->lmf is unused */
2174 mono_lmf_addr = &mono_lmf;
2176 #if defined(HAVE_KW_THREAD)
2177 mono_lmf_addr = &jit_tls->lmf;
2183 mono_arch_setup_jit_tls_data (jit_tls);
2184 mono_setup_altstack (jit_tls);
2190 mono_thread_start_cb (gsize tid, gpointer stack_start, gpointer func)
2193 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2194 thread = mono_thread_current ();
2195 mono_debugger_thread_created (tid, thread, jit_tls);
2197 thread->jit_data = jit_tls;
2200 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2203 mono_thread_abort_dummy (MonoObject *obj)
2205 if (mono_thread_attach_aborted_cb)
2206 mono_thread_attach_aborted_cb (obj);
2208 mono_thread_abort (obj);
2212 mono_thread_attach_cb (gsize tid, gpointer stack_start)
2215 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2216 thread = mono_thread_current ();
2217 mono_debugger_thread_created (tid, thread, (MonoJitTlsData *) jit_tls);
2219 thread->jit_data = jit_tls;
2220 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2221 setup_stat_profiler ();
2225 mini_thread_cleanup (MonoThread *thread)
2227 MonoJitTlsData *jit_tls = thread->jit_data;
2230 mono_debugger_thread_cleanup (jit_tls);
2231 mono_arch_free_jit_tls_data (jit_tls);
2233 mono_free_altstack (jit_tls);
2234 g_free (jit_tls->first_lmf);
2236 thread->jit_data = NULL;
2237 TlsSetValue (mono_jit_tls_id, NULL);
2242 mono_create_tls_get (MonoCompile *cfg, int offset)
2244 #ifdef MONO_ARCH_HAVE_TLS_GET
2250 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2251 ins->dreg = mono_alloc_preg (cfg);
2252 ins->inst_offset = offset;
2260 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2262 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2266 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2268 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2272 ji->data.target = target;
2273 ji->next = cfg->patch_info;
2275 cfg->patch_info = ji;
2279 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2281 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2285 ji->data.target = target;
2292 mono_remove_patch_info (MonoCompile *cfg, int ip)
2294 MonoJumpInfo **ji = &cfg->patch_info;
2297 if ((*ji)->ip.i == ip)
2300 ji = &((*ji)->next);
2305 * mono_patch_info_dup_mp:
2307 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2310 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2312 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2313 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2315 switch (patch_info->type) {
2316 case MONO_PATCH_INFO_RVA:
2317 case MONO_PATCH_INFO_LDSTR:
2318 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2319 case MONO_PATCH_INFO_LDTOKEN:
2320 case MONO_PATCH_INFO_DECLSEC:
2321 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2322 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2324 case MONO_PATCH_INFO_SWITCH:
2325 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2326 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2328 case MONO_PATCH_INFO_RGCTX_FETCH:
2329 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2330 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2331 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2341 mono_patch_info_hash (gconstpointer data)
2343 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2346 case MONO_PATCH_INFO_RVA:
2347 case MONO_PATCH_INFO_LDSTR:
2348 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2349 case MONO_PATCH_INFO_LDTOKEN:
2350 case MONO_PATCH_INFO_DECLSEC:
2351 return (ji->type << 8) | ji->data.token->token;
2352 case MONO_PATCH_INFO_VTABLE:
2353 case MONO_PATCH_INFO_CLASS:
2354 case MONO_PATCH_INFO_IID:
2355 case MONO_PATCH_INFO_ADJUSTED_IID:
2356 case MONO_PATCH_INFO_CLASS_INIT:
2357 case MONO_PATCH_INFO_METHODCONST:
2358 case MONO_PATCH_INFO_METHOD:
2359 case MONO_PATCH_INFO_METHOD_JUMP:
2360 case MONO_PATCH_INFO_IMAGE:
2361 case MONO_PATCH_INFO_INTERNAL_METHOD:
2362 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2363 case MONO_PATCH_INFO_FIELD:
2364 case MONO_PATCH_INFO_SFLDA:
2365 return (ji->type << 8) | (gssize)ji->data.target;
2367 return (ji->type << 8);
2372 * mono_patch_info_equal:
2374 * This might fail to recognize equivalent patches, i.e. floats, so its only
2375 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2379 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2381 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2382 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2384 if (ji1->type != ji2->type)
2387 switch (ji1->type) {
2388 case MONO_PATCH_INFO_RVA:
2389 case MONO_PATCH_INFO_LDSTR:
2390 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2391 case MONO_PATCH_INFO_LDTOKEN:
2392 case MONO_PATCH_INFO_DECLSEC:
2393 if ((ji1->data.token->image != ji2->data.token->image) ||
2394 (ji1->data.token->token != ji2->data.token->token) ||
2395 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2396 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2397 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2401 if (ji1->data.target != ji2->data.target)
2410 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2412 unsigned char *ip = patch_info->ip.i + code;
2413 gconstpointer target = NULL;
2415 switch (patch_info->type) {
2416 case MONO_PATCH_INFO_BB:
2417 g_assert (patch_info->data.bb->native_offset);
2418 target = patch_info->data.bb->native_offset + code;
2420 case MONO_PATCH_INFO_ABS:
2421 target = patch_info->data.target;
2423 case MONO_PATCH_INFO_LABEL:
2424 target = patch_info->data.inst->inst_c0 + code;
2426 case MONO_PATCH_INFO_IP:
2429 case MONO_PATCH_INFO_METHOD_REL:
2430 target = code + patch_info->data.offset;
2432 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2433 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2435 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2436 g_assert_not_reached ();
2438 target = mono_icall_get_wrapper (mi);
2441 case MONO_PATCH_INFO_METHOD_JUMP:
2442 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2444 case MONO_PATCH_INFO_METHOD:
2445 if (patch_info->data.method == method) {
2448 /* get the trampoline to the method from the domain */
2449 if (method && method->wrapper_type == MONO_WRAPPER_STATIC_RGCTX_INVOKE) {
2450 target = mono_create_jit_trampoline_in_domain (mono_domain_get (),
2451 patch_info->data.method);
2453 target = mono_create_jit_trampoline (patch_info->data.method);
2457 case MONO_PATCH_INFO_SWITCH: {
2458 gpointer *jump_table;
2461 if (method && method->dynamic) {
2462 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2464 mono_domain_lock (domain);
2466 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2468 jump_table = mono_code_manager_reserve (domain->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2469 mono_domain_unlock (domain);
2472 for (i = 0; i < patch_info->data.table->table_size; i++)
2473 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2474 target = jump_table;
2477 case MONO_PATCH_INFO_METHODCONST:
2478 case MONO_PATCH_INFO_CLASS:
2479 case MONO_PATCH_INFO_IMAGE:
2480 case MONO_PATCH_INFO_FIELD:
2481 target = patch_info->data.target;
2483 case MONO_PATCH_INFO_IID:
2484 mono_class_init (patch_info->data.klass);
2485 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
2487 case MONO_PATCH_INFO_ADJUSTED_IID:
2488 mono_class_init (patch_info->data.klass);
2489 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
2491 case MONO_PATCH_INFO_VTABLE:
2492 target = mono_class_vtable (domain, patch_info->data.klass);
2495 case MONO_PATCH_INFO_CLASS_INIT: {
2496 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
2499 target = mono_create_class_init_trampoline (vtable);
2502 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
2503 target = mono_create_delegate_trampoline (patch_info->data.klass);
2505 case MONO_PATCH_INFO_SFLDA: {
2506 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
2509 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
2510 /* Done by the generated code */
2514 mono_runtime_class_init (vtable);
2516 target = (char*)vtable->data + patch_info->data.field->offset;
2519 case MONO_PATCH_INFO_RVA: {
2520 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
2523 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
2524 target = mono_image_rva_map (patch_info->data.token->image, rva);
2527 case MONO_PATCH_INFO_R4:
2528 case MONO_PATCH_INFO_R8:
2529 target = patch_info->data.target;
2531 case MONO_PATCH_INFO_EXC_NAME:
2532 target = patch_info->data.name;
2534 case MONO_PATCH_INFO_LDSTR:
2536 mono_ldstr (domain, patch_info->data.token->image,
2537 mono_metadata_token_index (patch_info->data.token->token));
2539 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
2541 MonoClass *handle_class;
2543 handle = mono_ldtoken (patch_info->data.token->image,
2544 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
2545 mono_class_init (handle_class);
2546 mono_class_init (mono_class_from_mono_type (handle));
2549 mono_type_get_object (domain, handle);
2552 case MONO_PATCH_INFO_LDTOKEN: {
2554 MonoClass *handle_class;
2556 handle = mono_ldtoken (patch_info->data.token->image,
2557 patch_info->data.token->token, &handle_class, NULL);
2558 mono_class_init (handle_class);
2563 case MONO_PATCH_INFO_DECLSEC:
2564 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
2566 case MONO_PATCH_INFO_ICALL_ADDR:
2567 target = mono_lookup_internal_call (patch_info->data.method);
2568 /* run_cctors == 0 -> AOT */
2569 if (!target && run_cctors)
2570 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
2572 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
2573 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2575 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
2576 g_assert_not_reached ();
2581 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
2582 target = mono_thread_interruption_request_flag ();
2584 case MONO_PATCH_INFO_METHOD_RGCTX:
2585 target = mono_method_lookup_rgctx (mono_class_vtable (domain, patch_info->data.method->klass), mini_method_get_context (patch_info->data.method)->method_inst);
2587 case MONO_PATCH_INFO_BB_OVF:
2588 case MONO_PATCH_INFO_EXC_OVF:
2589 case MONO_PATCH_INFO_GOT_OFFSET:
2590 case MONO_PATCH_INFO_NONE:
2592 case MONO_PATCH_INFO_RGCTX_FETCH: {
2593 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
2596 switch (entry->data->type) {
2597 case MONO_PATCH_INFO_CLASS:
2598 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));
2600 case MONO_PATCH_INFO_METHOD:
2601 case MONO_PATCH_INFO_METHODCONST:
2602 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));
2604 case MONO_PATCH_INFO_FIELD:
2605 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));
2608 g_assert_not_reached ();
2612 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
2615 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
2616 target = mono_create_generic_class_init_trampoline ();
2618 case MONO_PATCH_INFO_MONITOR_ENTER:
2619 target = mono_create_monitor_enter_trampoline ();
2621 case MONO_PATCH_INFO_MONITOR_EXIT:
2622 target = mono_create_monitor_exit_trampoline ();
2625 g_assert_not_reached ();
2628 return (gpointer)target;
2632 mono_compile_create_vars (MonoCompile *cfg)
2634 MonoMethodSignature *sig;
2635 MonoMethodHeader *header;
2638 header = mono_method_get_header (cfg->method);
2640 sig = mono_method_signature (cfg->method);
2642 if (!MONO_TYPE_IS_VOID (sig->ret)) {
2643 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
2644 /* Inhibit optimizations */
2645 cfg->ret->flags |= MONO_INST_VOLATILE;
2647 if (cfg->verbose_level > 2)
2648 g_print ("creating vars\n");
2650 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
2653 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
2655 for (i = 0; i < sig->param_count; ++i) {
2656 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
2659 if (cfg->verbose_level > 2) {
2661 printf ("\treturn : ");
2662 mono_print_ins (cfg->ret);
2666 printf ("\tthis: ");
2667 mono_print_ins (cfg->args [0]);
2670 for (i = 0; i < sig->param_count; ++i) {
2671 printf ("\targ [%d]: ", i);
2672 mono_print_ins (cfg->args [i + sig->hasthis]);
2676 cfg->locals_start = cfg->num_varinfo;
2677 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
2679 if (cfg->verbose_level > 2)
2680 g_print ("creating locals\n");
2682 for (i = 0; i < header->num_locals; ++i)
2683 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
2685 if (cfg->verbose_level > 2)
2686 g_print ("locals done\n");
2688 mono_arch_create_vars (cfg);
2692 mono_print_code (MonoCompile *cfg, const char* msg)
2696 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2697 mono_print_bb (bb, msg);
2703 * mono_normalize_opcodes:
2705 * Replace CEE_ and OP_ opcodes with the corresponding OP_I or OP_L opcodes.
2708 static gint16 *remap_table;
2710 #if SIZEOF_VOID_P == 8
2711 #define REMAP_OPCODE(opcode) OP_L ## opcode
2713 #define REMAP_OPCODE(opcode) OP_I ## opcode
2716 static G_GNUC_UNUSED void
2717 mono_normalize_opcodes (MonoCompile *cfg, MonoBasicBlock *bb)
2722 remap_table = g_new0 (gint16, OP_LAST);
2724 #if SIZEOF_VOID_P == 8
2725 remap_table [CEE_CONV_U8] = OP_ZEXT_I4;
2726 remap_table [CEE_CONV_U] = OP_ZEXT_I4;
2727 remap_table [CEE_CONV_I8] = OP_SEXT_I4;
2728 remap_table [CEE_CONV_I] = OP_SEXT_I4;
2729 remap_table [CEE_CONV_OVF_U4] = OP_LCONV_TO_OVF_U4;
2730 remap_table [CEE_CONV_OVF_I4_UN] = OP_LCONV_TO_OVF_I4_UN;
2733 remap_table [CEE_CONV_R4] = OP_ICONV_TO_R4;
2734 remap_table [CEE_CONV_R8] = OP_ICONV_TO_R8;
2735 remap_table [CEE_CONV_I4] = OP_MOVE;
2736 remap_table [CEE_CONV_U4] = OP_MOVE;
2737 remap_table [CEE_CONV_I1] = REMAP_OPCODE (CONV_TO_I1);
2738 remap_table [CEE_CONV_I2] = REMAP_OPCODE (CONV_TO_I2);
2739 remap_table [CEE_CONV_U1] = REMAP_OPCODE (CONV_TO_U1);
2740 remap_table [CEE_CONV_U2] = REMAP_OPCODE (CONV_TO_U2);
2741 remap_table [CEE_CONV_R_UN] = REMAP_OPCODE (CONV_TO_R_UN);
2742 remap_table [CEE_ADD] = REMAP_OPCODE (ADD);
2743 remap_table [CEE_SUB] = REMAP_OPCODE (SUB);
2744 remap_table [CEE_MUL] = REMAP_OPCODE (MUL);
2745 remap_table [CEE_DIV] = REMAP_OPCODE (DIV);
2746 remap_table [CEE_REM] = REMAP_OPCODE (REM);
2747 remap_table [CEE_DIV_UN] = REMAP_OPCODE (DIV_UN);
2748 remap_table [CEE_REM_UN] = REMAP_OPCODE (REM_UN);
2749 remap_table [CEE_AND] = REMAP_OPCODE (AND);
2750 remap_table [CEE_OR] = REMAP_OPCODE (OR);
2751 remap_table [CEE_XOR] = REMAP_OPCODE (XOR);
2752 remap_table [CEE_SHL] = REMAP_OPCODE (SHL);
2753 remap_table [CEE_SHR] = REMAP_OPCODE (SHR);
2754 remap_table [CEE_SHR_UN] = REMAP_OPCODE (SHR_UN);
2755 remap_table [CEE_NOT] = REMAP_OPCODE (NOT);
2756 remap_table [CEE_NEG] = REMAP_OPCODE (NEG);
2757 remap_table [CEE_CALL] = OP_CALL;
2758 remap_table [CEE_BEQ] = REMAP_OPCODE (BEQ);
2759 remap_table [CEE_BNE_UN] = REMAP_OPCODE (BNE_UN);
2760 remap_table [CEE_BLT] = REMAP_OPCODE (BLT);
2761 remap_table [CEE_BLT_UN] = REMAP_OPCODE (BLT_UN);
2762 remap_table [CEE_BGT] = REMAP_OPCODE (BGT);
2763 remap_table [CEE_BGT_UN] = REMAP_OPCODE (BGT_UN);
2764 remap_table [CEE_BGE] = REMAP_OPCODE (BGE);
2765 remap_table [CEE_BGE_UN] = REMAP_OPCODE (BGE_UN);
2766 remap_table [CEE_BLE] = REMAP_OPCODE (BLE);
2767 remap_table [CEE_BLE_UN] = REMAP_OPCODE (BLE_UN);
2768 remap_table [CEE_ADD_OVF] = REMAP_OPCODE (ADD_OVF);
2769 remap_table [CEE_ADD_OVF_UN] = REMAP_OPCODE (ADD_OVF_UN);
2770 remap_table [CEE_SUB_OVF] = REMAP_OPCODE (SUB_OVF);
2771 remap_table [CEE_SUB_OVF_UN] = REMAP_OPCODE (SUB_OVF_UN);
2772 remap_table [CEE_MUL_OVF] = REMAP_OPCODE (MUL_OVF);
2773 remap_table [CEE_MUL_OVF_UN] = REMAP_OPCODE (MUL_OVF_UN);
2776 MONO_BB_FOR_EACH_INS (bb, ins) {
2777 int remapped = remap_table [ins->opcode];
2779 ins->opcode = remapped;
2784 mono_codegen (MonoCompile *cfg)
2786 MonoJumpInfo *patch_info;
2788 int i, max_epilog_size;
2791 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
2792 cfg->spill_count = 0;
2793 /* we reuse dfn here */
2794 /* bb->dfn = bb_count++; */
2796 mono_arch_lowering_pass (cfg, bb);
2798 if (cfg->opt & MONO_OPT_PEEPHOLE)
2799 mono_arch_peephole_pass_1 (cfg, bb);
2802 mono_local_regalloc (cfg, bb);
2804 if (cfg->opt & MONO_OPT_PEEPHOLE)
2805 mono_arch_peephole_pass_2 (cfg, bb);
2808 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
2809 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
2811 code = mono_arch_emit_prolog (cfg);
2813 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
2814 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
2816 cfg->code_len = code - cfg->native_code;
2817 cfg->prolog_end = cfg->code_len;
2819 mono_debug_open_method (cfg);
2821 /* emit code all basic blocks */
2822 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
2823 bb->native_offset = cfg->code_len;
2824 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
2825 mono_arch_output_basic_block (cfg, bb);
2827 if (bb == cfg->bb_exit) {
2828 cfg->epilog_begin = cfg->code_len;
2830 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
2831 code = cfg->native_code + cfg->code_len;
2832 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
2833 cfg->code_len = code - cfg->native_code;
2834 g_assert (cfg->code_len < cfg->code_size);
2837 mono_arch_emit_epilog (cfg);
2841 mono_arch_emit_exceptions (cfg);
2843 max_epilog_size = 0;
2845 code = cfg->native_code + cfg->code_len;
2847 /* we always allocate code in cfg->domain->code_mp to increase locality */
2848 cfg->code_size = cfg->code_len + max_epilog_size;
2849 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
2851 if (cfg->method->dynamic) {
2852 guint unwindlen = 0;
2853 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
2854 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
2856 /* Allocate the code into a separate memory pool so it can be freed */
2857 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
2858 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
2859 mono_domain_lock (cfg->domain);
2860 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
2861 mono_domain_unlock (cfg->domain);
2863 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
2865 guint unwindlen = 0;
2866 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
2867 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
2869 mono_domain_lock (cfg->domain);
2870 code = mono_code_manager_reserve (cfg->domain->code_mp, cfg->code_size + unwindlen);
2871 mono_domain_unlock (cfg->domain);
2874 memcpy (code, cfg->native_code, cfg->code_len);
2875 g_free (cfg->native_code);
2876 cfg->native_code = code;
2877 code = cfg->native_code + cfg->code_len;
2879 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
2880 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
2881 switch (patch_info->type) {
2882 case MONO_PATCH_INFO_ABS: {
2883 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
2886 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
2890 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
2891 // FIXME: CLEAN UP THIS MESS.
2892 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
2893 strstr (cfg->method->name, info->name)) {
2895 * This is an icall wrapper, and this is a call to the
2898 if (cfg->compile_aot) {
2899 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
2900 patch_info->data.name = info->name;
2903 /* for these array methods we currently register the same function pointer
2904 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
2905 * will return the incorrect one depending on the order they are registered.
2906 * See tests/test-arr.cs
2908 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
2909 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
2910 patch_info->data.name = info->name;
2915 if (patch_info->type == MONO_PATCH_INFO_ABS) {
2916 MonoClass *klass = mono_find_delegate_trampoline_by_addr (patch_info->data.target);
2918 patch_info->type = MONO_PATCH_INFO_DELEGATE_TRAMPOLINE;
2919 patch_info->data.klass = klass;
2923 if (patch_info->type == MONO_PATCH_INFO_ABS) {
2924 if (cfg->abs_patches) {
2925 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
2927 patch_info->type = abs_ji->type;
2928 patch_info->data.target = abs_ji->data.target;
2935 case MONO_PATCH_INFO_SWITCH: {
2937 if (cfg->method->dynamic) {
2938 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2940 mono_domain_lock (cfg->domain);
2941 table = mono_code_manager_reserve (cfg->domain->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2942 mono_domain_unlock (cfg->domain);
2945 for (i = 0; i < patch_info->data.table->table_size; i++) {
2946 /* Might be NULL if the switch is eliminated */
2947 if (patch_info->data.table->table [i]) {
2948 g_assert (patch_info->data.table->table [i]->native_offset);
2949 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
2954 patch_info->data.table->table = (MonoBasicBlock**)table;
2957 case MONO_PATCH_INFO_METHOD_JUMP: {
2959 MonoDomain *domain = cfg->domain;
2960 unsigned char *ip = cfg->native_code + patch_info->ip.i;
2962 mono_domain_lock (domain);
2963 if (!domain_jit_info (domain)->jump_target_hash)
2964 domain_jit_info (domain)->jump_target_hash = g_hash_table_new (NULL, NULL);
2965 list = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
2966 list = g_slist_prepend (list, ip);
2967 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, list);
2968 mono_domain_unlock (domain);
2977 #ifdef VALGRIND_JIT_REGISTER_MAP
2978 if (valgrind_register){
2979 char* nm = mono_method_full_name (cfg->method, TRUE);
2980 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
2985 if (cfg->verbose_level > 0) {
2986 char* nm = mono_method_full_name (cfg->method, TRUE);
2987 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
2989 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
2994 gboolean is_generic = FALSE;
2996 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
2997 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3001 if (cfg->generic_sharing_context)
3002 g_assert (is_generic);
3005 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3006 mono_arch_save_unwind_info (cfg);
3009 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->run_cctors);
3011 if (cfg->method->dynamic) {
3012 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3014 mono_domain_lock (cfg->domain);
3015 mono_code_manager_commit (cfg->domain->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3016 mono_domain_unlock (cfg->domain);
3019 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3021 mono_debug_close_method (cfg);
3022 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3023 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3027 static MonoGenericInst*
3028 get_object_generic_inst (int type_argc)
3030 MonoType **type_argv;
3033 type_argv = alloca (sizeof (MonoType*) * type_argc);
3035 for (i = 0; i < type_argc; ++i)
3036 type_argv [i] = &mono_defaults.object_class->byval_arg;
3038 return mono_metadata_get_generic_inst (type_argc, type_argv);
3042 compute_reachable (MonoBasicBlock *bb)
3046 if (!(bb->flags & BB_VISITED)) {
3047 bb->flags |= BB_VISITED;
3048 for (i = 0; i < bb->out_count; ++i)
3049 compute_reachable (bb->out_bb [i]);
3054 * mini_method_compile:
3055 * @method: the method to compile
3056 * @opts: the optimization flags to use
3057 * @domain: the domain where the method will be compiled in
3058 * @run_cctors: whether we should run type ctors if possible
3059 * @compile_aot: whether this is an AOT compilation
3060 * @parts: debug flag
3062 * Returns: a MonoCompile* pointer. Caller must check the exception_type
3063 * field in the returned struct to see if compilation succeded.
3066 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
3068 MonoMethodHeader *header;
3072 int dfn, i, code_size_ratio;
3073 gboolean deadce_has_run = FALSE;
3074 gboolean try_generic_shared;
3075 MonoMethod *method_to_compile, *method_to_register;
3076 int generic_info_size;
3078 mono_jit_stats.methods_compiled++;
3079 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
3080 mono_profiler_method_jit (method);
3081 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
3082 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
3085 /* We are passed the original generic method definition */
3086 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3087 (opts & MONO_OPT_GSHARED) && (method->is_generic || method->klass->generic_container);
3089 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3090 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
3092 if (opts & MONO_OPT_GSHARED) {
3093 if (try_generic_shared)
3094 mono_stats.generics_sharable_methods++;
3095 else if (mono_method_is_generic_impl (method))
3096 mono_stats.generics_unsharable_methods++;
3100 if (try_generic_shared) {
3101 MonoMethod *declaring_method;
3102 MonoGenericContext *shared_context;
3105 declaring_method = method;
3107 declaring_method = mono_method_get_declaring_generic_method (method);
3108 if (method->klass->generic_class)
3109 g_assert (method->klass->generic_class->container_class == declaring_method->klass);
3111 g_assert (method->klass == declaring_method->klass);
3114 if (declaring_method->is_generic)
3115 shared_context = &(mono_method_get_generic_container (declaring_method)->context);
3117 shared_context = &declaring_method->klass->generic_container->context;
3119 method_to_compile = mono_class_inflate_generic_method (declaring_method, shared_context);
3120 g_assert (method_to_compile);
3122 method_to_compile = method;
3125 cfg = g_new0 (MonoCompile, 1);
3126 cfg->method = method_to_compile;
3127 cfg->mempool = mono_mempool_new ();
3129 cfg->prof_options = mono_profiler_get_events ();
3130 cfg->run_cctors = run_cctors;
3131 cfg->domain = domain;
3132 cfg->verbose_level = mini_verbose;
3133 cfg->compile_aot = compile_aot;
3134 cfg->skip_visibility = method->skip_visibility;
3135 cfg->orig_method = method;
3136 if (try_generic_shared)
3137 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
3138 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
3140 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
3141 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
3145 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
3146 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
3147 cfg->disable_reuse_registers = TRUE;
3148 cfg->disable_reuse_stack_slots = TRUE;
3150 * This decreases the change the debugger will read registers/stack slots which are
3151 * not yet initialized.
3153 cfg->disable_initlocals_opt = TRUE;
3155 /* Temporarily disable this when running in the debugger until we have support
3156 * for this in the debugger. */
3157 cfg->disable_omit_fp = TRUE;
3159 /* The debugger needs all locals to be on the stack or in a global register */
3160 cfg->disable_vreg_to_lvreg = TRUE;
3162 // cfg->opt |= MONO_OPT_SHARED;
3163 cfg->opt &= ~MONO_OPT_INLINE;
3164 cfg->opt &= ~MONO_OPT_COPYPROP;
3165 cfg->opt &= ~MONO_OPT_CONSPROP;
3166 cfg->opt &= ~MONO_OPT_GSHARED;
3169 header = mono_method_get_header (method_to_compile);
3171 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
3172 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
3173 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3174 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3175 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
3176 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
3180 if (getenv ("MONO_VERBOSE_METHOD")) {
3181 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
3182 cfg->verbose_level = 4;
3185 ip = (guint8 *)header->code;
3187 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
3189 if (cfg->verbose_level > 2) {
3190 if (cfg->generic_sharing_context)
3191 g_print ("converting shared method %s\n", mono_method_full_name (method, TRUE));
3193 g_print ("converting method %s\n", mono_method_full_name (method, TRUE));
3196 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
3197 cfg->opt |= MONO_OPT_SSA;
3200 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")))
3201 cfg->globalra = TRUE;
3204 //cfg->globalra = TRUE;
3206 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
3207 // cfg->globalra = TRUE;
3210 static int count = 0;
3214 if (getenv ("COUNT2")) {
3215 cfg->globalra = TRUE;
3216 if (count == atoi (getenv ("COUNT2")))
3217 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
3218 if (count > atoi (getenv ("COUNT2")))
3219 cfg->globalra = FALSE;
3224 if (header->clauses)
3225 cfg->globalra = FALSE;
3227 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
3228 /* The code in the prolog clobbers caller saved registers */
3229 cfg->globalra = FALSE;
3231 // FIXME: Disable globalra in case of tracing/profiling
3233 if (cfg->method->save_lmf)
3234 /* The LMF saving code might clobber caller saved registers */
3235 cfg->globalra = FALSE;
3238 if (!strcmp (cfg->method->name, "CompareInternal"))
3239 cfg->globalra = FALSE;
3241 cfg->rs = mono_regstate_new ();
3243 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
3244 cfg->next_vreg = cfg->rs->next_vreg;
3246 /* FIXME: Fix SSA to handle branches inside bblocks */
3247 if (cfg->opt & MONO_OPT_SSA)
3248 cfg->enable_extended_bblocks = FALSE;
3251 * FIXME: This confuses liveness analysis because variables which are assigned after
3252 * a branch inside a bblock become part of the kill set, even though the assignment
3253 * might not get executed. This causes the optimize_initlocals pass to delete some
3254 * assignments which are needed.
3255 * Also, the mono_if_conversion pass needs to be modified to recognize the code
3258 //cfg->enable_extended_bblocks = TRUE;
3261 * create MonoInst* which represents arguments and local variables
3263 mono_compile_create_vars (cfg);
3265 /* SSAPRE is not supported on linear IR */
3266 cfg->opt &= ~MONO_OPT_SSAPRE;
3268 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
3271 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
3273 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3274 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3277 mono_destroy_compile (cfg);
3278 try_generic_shared = FALSE;
3279 goto restart_compile;
3281 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
3283 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3284 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3285 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
3286 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
3287 /* cfg contains the details of the failure, so let the caller cleanup */
3291 mono_jit_stats.basic_blocks += cfg->num_bblocks;
3292 mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks);
3294 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
3296 mono_decompose_long_opts (cfg);
3298 /* Should be done before branch opts */
3299 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
3300 mono_local_cprop (cfg);
3302 if (cfg->opt & MONO_OPT_BRANCH)
3303 mono_optimize_branches (cfg);
3305 /* This must be done _before_ global reg alloc and _after_ decompose */
3306 mono_handle_global_vregs (cfg);
3307 mono_local_deadce (cfg);
3308 mono_if_conversion (cfg);
3310 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
3311 mono_remove_critical_edges (cfg);
3313 /* Depth-first ordering on basic blocks */
3314 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
3317 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
3318 if (cfg->num_bblocks != dfn + 1) {
3321 cfg->num_bblocks = dfn + 1;
3323 /* remove unreachable code, because the code in them may be
3324 * inconsistent (access to dead variables for example) */
3325 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3326 bb->flags &= ~BB_VISITED;
3327 compute_reachable (cfg->bb_entry);
3328 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3329 if (bb->flags & BB_EXCEPTION_HANDLER)
3330 compute_reachable (bb);
3331 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3332 if (!(bb->flags & BB_VISITED)) {
3333 if (cfg->verbose_level > 1)
3334 g_print ("found unreachable code in BB%d\n", bb->block_num);
3335 bb->code = bb->last_ins = NULL;
3338 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3339 bb->flags &= ~BB_VISITED;
3342 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
3344 * we disable some optimizations if there are too many variables
3345 * because JIT time may become too expensive. The actual number needs
3346 * to be tweaked and eventually the non-linear algorithms should be fixed.
3348 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
3349 cfg->disable_ssa = TRUE;
3352 if (cfg->opt & MONO_OPT_LOOP) {
3353 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
3354 mono_compute_natural_loops (cfg);
3357 /* after method_to_ir */
3359 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3360 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3364 //#define DEBUGSSA "logic_run"
3365 #define DEBUGSSA_CLASS "Tests"
3368 if (!header->num_clauses && !cfg->disable_ssa) {
3369 mono_local_cprop (cfg);
3372 mono_ssa_compute (cfg);
3376 if (cfg->opt & MONO_OPT_SSA) {
3377 if (!(cfg->comp_done & MONO_COMP_SSA) && !header->num_clauses && !cfg->disable_ssa) {
3379 mono_ssa_compute (cfg);
3382 if (cfg->verbose_level >= 2) {
3389 /* after SSA translation */
3391 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3392 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3396 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
3397 if (cfg->comp_done & MONO_COMP_SSA) {
3399 mono_ssa_cprop (cfg);
3405 if (cfg->comp_done & MONO_COMP_SSA) {
3406 //mono_ssa_strength_reduction (cfg);
3408 if (cfg->opt & MONO_OPT_SSAPRE) {
3409 mono_perform_ssapre (cfg);
3410 //mono_local_cprop (cfg);
3413 if (cfg->opt & MONO_OPT_DEADCE) {
3414 mono_ssa_deadce (cfg);
3415 deadce_has_run = TRUE;
3418 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
3419 mono_perform_abc_removal (cfg);
3421 mono_ssa_remove (cfg);
3422 mono_local_cprop (cfg);
3423 mono_handle_global_vregs (cfg);
3424 mono_local_deadce (cfg);
3426 if (cfg->opt & MONO_OPT_BRANCH) {
3429 mono_optimize_branches (cfg);
3431 /* Have to recompute cfg->bblocks and bb->dfn */
3432 if (cfg->globalra) {
3433 mono_remove_critical_edges (cfg);
3435 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3438 /* Depth-first ordering on basic blocks */
3439 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
3442 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
3443 cfg->num_bblocks = dfn + 1;
3449 /* after SSA removal */
3451 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3452 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3456 #ifdef MONO_ARCH_SOFT_FLOAT
3457 mono_decompose_soft_float (cfg);
3459 mono_decompose_vtype_opts (cfg);
3460 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
3461 mono_decompose_array_access_opts (cfg);
3466 g_assert (cfg->got_var_allocated);
3469 * Allways allocate the GOT var to a register, because keeping it
3470 * in memory will increase the number of live temporaries in some
3471 * code created by inssel.brg, leading to the well known spills+
3472 * branches problem. Testcase: mcs crash in
3473 * System.MonoCustomAttrs:GetCustomAttributes.
3475 regs = mono_arch_get_global_int_regs (cfg);
3477 cfg->got_var->opcode = OP_REGVAR;
3478 cfg->got_var->dreg = GPOINTER_TO_INT (regs->data);
3479 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
3484 /* todo: remove code when we have verified that the liveness for try/catch blocks
3488 * Currently, this can't be commented out since exception blocks are not
3489 * processed during liveness analysis.
3491 mono_liveness_handle_exception_clauses (cfg);
3493 if (cfg->globalra) {
3496 /* Have to do this before regalloc since it can create vregs */
3497 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3498 mono_arch_lowering_pass (cfg, bb);
3500 mono_global_regalloc (cfg);
3503 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
3506 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
3507 cfg->comp_done &= ~MONO_COMP_LIVENESS;
3508 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
3509 mono_analyze_liveness (cfg);
3511 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
3512 regs = mono_arch_get_global_int_regs (cfg);
3514 regs = g_list_delete_link (regs, regs);
3515 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
3519 //mono_print_code (cfg);
3523 /* variables are allocated after decompose, since decompose could create temps */
3525 mono_arch_allocate_vars (cfg);
3529 gboolean need_local_opts;
3531 if (!cfg->globalra) {
3532 mono_spill_global_vars (cfg, &need_local_opts);
3534 if (need_local_opts || cfg->compile_aot) {
3535 /* To optimize code created by spill_global_vars */
3536 mono_local_cprop (cfg);
3537 mono_local_deadce (cfg);
3541 /* Add branches between non-consecutive bblocks */
3542 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3543 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
3544 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
3545 /* we are careful when inverting, since bugs like #59580
3546 * could show up when dealing with NaNs.
3548 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
3549 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
3550 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
3551 bb->last_ins->inst_false_bb = tmp;
3553 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
3555 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
3556 inst->opcode = OP_BR;
3557 inst->inst_target_bb = bb->last_ins->inst_false_bb;
3558 mono_bblock_add_inst (bb, inst);
3563 if (cfg->verbose_level >= 4 && !cfg->globalra) {
3564 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3565 MonoInst *tree = bb->code;
3566 g_print ("DUMP BLOCK %d:\n", bb->block_num);
3569 for (; tree; tree = tree->next) {
3570 mono_print_ins_index (-1, tree);
3576 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3577 bb->max_vreg = cfg->next_vreg;
3582 if (cfg->verbose_level >= 2) {
3583 char *id = mono_method_full_name (cfg->method, FALSE);
3584 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
3588 if (cfg->generic_sharing_context)
3589 generic_info_size = sizeof (MonoGenericJitInfo);
3591 generic_info_size = 0;
3593 if (cfg->method->dynamic) {
3594 jinfo = g_malloc0 (sizeof (MonoJitInfo) + (header->num_clauses * sizeof (MonoJitExceptionInfo)) +
3597 /* we access cfg->domain->mp */
3598 mono_domain_lock (cfg->domain);
3599 jinfo = mono_domain_alloc0 (cfg->domain, sizeof (MonoJitInfo) +
3600 (header->num_clauses * sizeof (MonoJitExceptionInfo)) +
3602 mono_domain_unlock (cfg->domain);
3605 if (cfg->generic_sharing_context) {
3606 MonoGenericContext object_context;
3608 g_assert (!method_to_compile->klass->generic_class);
3609 if (method_to_compile->klass->generic_container) {
3610 int type_argc = method_to_compile->klass->generic_container->type_argc;
3612 object_context.class_inst = get_object_generic_inst (type_argc);
3614 object_context.class_inst = NULL;
3617 if (mini_method_get_context (method_to_compile)->method_inst) {
3618 int type_argc = mini_method_get_context (method_to_compile)->method_inst->type_argc;
3620 object_context.method_inst = get_object_generic_inst (type_argc);
3622 object_context.method_inst = NULL;
3625 g_assert (object_context.class_inst || object_context.method_inst);
3627 method_to_register = mono_class_inflate_generic_method (method_to_compile, &object_context);
3629 g_assert (method == method_to_compile);
3630 method_to_register = method;
3633 jinfo->method = method_to_register;
3634 jinfo->code_start = cfg->native_code;
3635 jinfo->code_size = cfg->code_len;
3636 jinfo->used_regs = cfg->used_int_regs;
3637 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3638 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3639 jinfo->num_clauses = header->num_clauses;
3641 if (cfg->generic_sharing_context) {
3643 MonoGenericJitInfo *gi;
3645 jinfo->has_generic_jit_info = 1;
3647 gi = mono_jit_info_get_generic_jit_info (jinfo);
3650 gi->generic_sharing_context = cfg->generic_sharing_context;
3653 * Non-generic static methods only get a "this" info
3654 * if they use the rgctx variable (which they are
3655 * forced to if they have any open catch clauses).
3657 if (cfg->rgctx_var ||
3658 (!(method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) &&
3659 !mini_method_get_context (method_to_compile)->method_inst &&
3660 !method_to_compile->klass->valuetype)) {
3663 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3664 mini_method_get_context (method_to_compile)->method_inst ||
3665 method_to_compile->klass->valuetype) {
3666 inst = cfg->rgctx_var;
3667 g_assert (inst->opcode == OP_REGOFFSET);
3669 inst = cfg->args [0];
3672 if (inst->opcode == OP_REGVAR) {
3673 gi->this_in_reg = 1;
3674 gi->this_reg = inst->dreg;
3676 //g_print ("this in reg %d\n", inst->dreg);
3678 g_assert (inst->opcode == OP_REGOFFSET);
3680 g_assert (inst->inst_basereg == X86_EBP);
3681 #elif defined(__x86_64__)
3682 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3684 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3686 gi->this_in_reg = 0;
3687 gi->this_reg = inst->inst_basereg;
3688 gi->this_offset = inst->inst_offset;
3690 //g_print ("this at offset %d from reg %d\n", gi->this_offset, gi->this_reg);
3697 if (header->num_clauses) {
3700 for (i = 0; i < header->num_clauses; i++) {
3701 MonoExceptionClause *ec = &header->clauses [i];
3702 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3703 MonoBasicBlock *tblock;
3706 ei->flags = ec->flags;
3708 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3709 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3711 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3712 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3714 ei->data.filter = cfg->native_code + tblock->native_offset;
3716 ei->data.catch_class = ec->data.catch_class;
3719 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3721 ei->try_start = cfg->native_code + tblock->native_offset;
3722 g_assert (tblock->native_offset);
3723 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3725 ei->try_end = cfg->native_code + tblock->native_offset;
3726 g_assert (tblock->native_offset);
3727 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3729 ei->handler_start = cfg->native_code + tblock->native_offset;
3733 cfg->jit_info = jinfo;
3734 #if defined(__arm__)
3735 mono_arch_fixup_jinfo (cfg);
3738 if (!cfg->compile_aot) {
3739 mono_domain_lock (cfg->domain);
3740 mono_jit_info_table_add (cfg->domain, jinfo);
3742 if (cfg->method->dynamic)
3743 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = jinfo;
3744 mono_domain_unlock (cfg->domain);
3747 /* collect statistics */
3748 mono_perfcounters->jit_methods++;
3749 mono_perfcounters->jit_bytes += header->code_size;
3750 mono_jit_stats.allocated_code_size += cfg->code_len;
3751 code_size_ratio = cfg->code_len;
3752 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
3753 mono_jit_stats.biggest_method_size = code_size_ratio;
3754 g_free (mono_jit_stats.biggest_method);
3755 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
3757 code_size_ratio = (code_size_ratio * 100) / mono_method_get_header (method)->code_size;
3758 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
3759 mono_jit_stats.max_code_size_ratio = code_size_ratio;
3760 g_free (mono_jit_stats.max_ratio_method);
3761 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
3763 mono_jit_stats.native_code_size += cfg->code_len;
3765 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3766 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3767 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
3768 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
3776 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
3778 g_assert_not_reached ();
3782 #endif /* DISABLE_JIT */
3785 lookup_generic_method (MonoDomain *domain, MonoMethod *method)
3787 MonoMethod *open_method;
3789 if (!mono_method_is_generic_sharable_impl (method, FALSE))
3792 open_method = mono_method_get_declaring_generic_method (method);
3794 return mono_domain_lookup_shared_generic (domain, open_method);
3798 * LOCKING: Assumes domain->jit_code_hash_lock is held.
3801 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
3803 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
3808 return lookup_generic_method (domain, method);
3812 lookup_method (MonoDomain *domain, MonoMethod *method)
3816 mono_domain_jit_code_hash_lock (domain);
3817 info = lookup_method_inner (domain, method);
3818 mono_domain_jit_code_hash_unlock (domain);
3824 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt)
3827 gpointer code = NULL;
3831 #ifdef MONO_USE_AOT_COMPILER
3832 if ((opt & MONO_OPT_AOT) && !(mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)) {
3833 MonoDomain *domain = mono_domain_get ();
3835 mono_class_init (method->klass);
3837 mono_domain_lock (domain);
3838 if ((code = mono_aot_get_method (domain, method))) {
3839 mono_domain_unlock (domain);
3840 vtable = mono_class_vtable (domain, method->klass);
3842 mono_runtime_class_init (vtable);
3846 mono_domain_unlock (domain);
3850 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
3851 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
3853 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
3855 if (!piinfo->addr) {
3856 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
3857 piinfo->addr = mono_lookup_internal_call (method);
3858 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
3859 #ifdef PLATFORM_WIN32
3860 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);
3862 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);
3865 mono_lookup_pinvoke_call (method, NULL, NULL);
3867 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
3868 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
3870 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
3871 //mono_debug_add_wrapper (method, nm);
3872 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
3873 const char *name = method->name;
3876 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
3877 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
3878 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
3881 * We need to make sure this wrapper
3882 * is compiled because it might end up
3883 * in an (M)RGCTX if generic sharing
3884 * is enabled, and would be called
3885 * indirectly. If it were a
3886 * trampoline we'd try to patch that
3887 * indirect call, which is not
3890 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
3891 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
3892 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
3893 return mono_create_delegate_trampoline (method->klass);
3895 nm = mono_marshal_get_delegate_invoke (method, NULL);
3896 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
3898 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
3899 nm = mono_marshal_get_delegate_begin_invoke (method);
3900 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
3901 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
3902 nm = mono_marshal_get_delegate_end_invoke (method);
3903 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
3910 g_error ("Attempting to JIT compile method '%s' while running with --aot-only.\n", mono_method_full_name (method, TRUE));
3912 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
3914 switch (cfg->exception_type) {
3915 case MONO_EXCEPTION_NONE:
3917 case MONO_EXCEPTION_TYPE_LOAD:
3918 case MONO_EXCEPTION_MISSING_FIELD:
3919 case MONO_EXCEPTION_MISSING_METHOD:
3920 case MONO_EXCEPTION_FILE_NOT_FOUND:
3921 case MONO_EXCEPTION_BAD_IMAGE: {
3922 /* Throw a type load exception if needed */
3923 MonoLoaderError *error = mono_loader_get_last_error ();
3927 ex = mono_loader_error_prepare_exception (error);
3929 if (cfg->exception_ptr) {
3930 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
3932 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
3933 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
3934 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
3935 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
3936 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
3937 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
3938 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
3939 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
3940 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
3941 ex = mono_get_exception_bad_image_format (cfg->exception_message);
3943 g_assert_not_reached ();
3946 mono_destroy_compile (cfg);
3947 mono_raise_exception (ex);
3950 case MONO_EXCEPTION_INVALID_PROGRAM: {
3951 MonoException *ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
3952 mono_destroy_compile (cfg);
3953 mono_raise_exception (ex);
3956 case MONO_EXCEPTION_UNVERIFIABLE_IL: {
3957 MonoException *ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
3958 mono_destroy_compile (cfg);
3959 mono_raise_exception (ex);
3962 case MONO_EXCEPTION_METHOD_ACCESS: {
3963 MonoException *ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
3964 mono_destroy_compile (cfg);
3965 mono_raise_exception (ex);
3968 case MONO_EXCEPTION_FIELD_ACCESS: {
3969 MonoException *ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
3970 mono_destroy_compile (cfg);
3971 mono_raise_exception (ex);
3974 /* this can only be set if the security manager is active */
3975 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
3976 MonoSecurityManager* secman = mono_security_manager_get_methods ();
3977 MonoObject *exc = NULL;
3980 args [0] = &cfg->exception_data;
3982 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
3984 mono_destroy_compile (cfg);
3987 mono_raise_exception ((MonoException*)exc);
3989 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
3990 MonoException *exp = cfg->exception_ptr;
3991 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
3992 mono_destroy_compile (cfg);
3993 mono_raise_exception (exp);
3997 g_assert_not_reached ();
4000 mono_domain_lock (target_domain);
4002 /* Check if some other thread already did the job. In this case, we can
4003 discard the code this thread generated. */
4005 mono_domain_jit_code_hash_lock (target_domain);
4007 info = lookup_method_inner (target_domain, method);
4009 /* We can't use a domain specific method in another domain */
4010 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
4011 code = info->code_start;
4012 // printf("Discarding code for method %s\n", method->name);
4017 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
4018 mono_domain_jit_code_hash_unlock (target_domain);
4019 code = cfg->native_code;
4021 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE)) {
4022 /* g_print ("inserting method %s.%s.%s\n", method->klass->name_space, method->klass->name, method->name); */
4023 mono_domain_register_shared_generic (target_domain,
4024 mono_method_get_declaring_generic_method (method), cfg->jit_info);
4025 mono_stats.generics_shared_methods++;
4028 mono_domain_jit_code_hash_unlock (target_domain);
4031 mono_destroy_compile (cfg);
4033 if (domain_jit_info (target_domain)->jump_target_hash) {
4034 MonoJumpInfo patch_info;
4036 list = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
4038 patch_info.next = NULL;
4039 patch_info.ip.i = 0;
4040 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
4041 patch_info.data.method = method;
4042 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
4044 for (tmp = list; tmp; tmp = tmp->next)
4045 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, TRUE);
4046 g_slist_free (list);
4049 mono_domain_unlock (target_domain);
4051 vtable = mono_class_vtable (target_domain, method->klass);
4054 exc = mono_class_get_exception_for_failure (method->klass);
4056 mono_raise_exception (exc);
4058 mono_runtime_class_init (vtable);
4063 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt)
4065 MonoDomain *target_domain, *domain = mono_domain_get ();
4068 MonoJitICallInfo *callinfo = NULL;
4071 * ICALL wrappers are handled specially, since there is only one copy of them
4072 * shared by all appdomains.
4074 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
4075 const char *icall_name;
4077 icall_name = method->name + strlen ("__icall_wrapper_");
4078 g_assert (icall_name);
4079 callinfo = mono_find_jit_icall_by_name (icall_name);
4080 g_assert (callinfo);
4082 /* Must be domain neutral since there is only one copy */
4083 opt |= MONO_OPT_SHARED;
4086 if (opt & MONO_OPT_SHARED)
4087 target_domain = mono_get_root_domain ();
4089 target_domain = domain;
4091 info = lookup_method (target_domain, method);
4093 /* We can't use a domain specific method in another domain */
4094 if (! ((domain != target_domain) && !info->domain_neutral)) {
4097 mono_jit_stats.methods_lookups++;
4098 vtable = mono_class_vtable (domain, method->klass);
4099 mono_runtime_class_init (vtable);
4100 return mono_create_ftnptr (target_domain, info->code_start);
4104 p = mono_create_ftnptr (target_domain, mono_jit_compile_method_inner (method, target_domain, opt));
4108 if (!callinfo->wrapper) {
4109 callinfo->wrapper = p;
4110 mono_register_jit_icall_wrapper (callinfo, p);
4111 mono_debug_add_icall_wrapper (method, callinfo);
4120 mono_jit_compile_method (MonoMethod *method)
4122 return mono_jit_compile_method_with_opt (method, default_opt);
4125 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4127 invalidated_delegate_trampoline (char *desc)
4129 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
4130 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
4136 * mono_jit_free_method:
4138 * Free all memory allocated by the JIT for METHOD.
4141 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
4143 MonoJitDynamicMethodInfo *ji;
4144 gboolean destroy = TRUE;
4146 g_assert (method->dynamic);
4148 mono_domain_lock (domain);
4149 ji = mono_dynamic_code_hash_lookup (domain, method);
4150 mono_domain_unlock (domain);
4154 mono_domain_lock (domain);
4155 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
4156 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
4157 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
4158 mono_domain_unlock (domain);
4160 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4161 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
4163 * Instead of freeing the code, change it to call an error routine
4164 * so people can fix their code.
4166 char *type = mono_type_full_name (&method->klass->byval_arg);
4167 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
4170 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
4176 * This needs to be done before freeing code_mp, since the code address is the
4177 * key in the table, so if we free the code_mp first, another thread can grab the
4178 * same code address and replace our entry in the table.
4180 mono_jit_info_table_remove (domain, ji->ji);
4183 mono_code_manager_destroy (ji->code_mp);
4188 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
4190 MonoDomain *target_domain;
4193 if (default_opt & MONO_OPT_SHARED)
4194 target_domain = mono_get_root_domain ();
4196 target_domain = domain;
4198 info = lookup_method (target_domain, method);
4200 /* We can't use a domain specific method in another domain */
4201 if (! ((domain != target_domain) && !info->domain_neutral)) {
4202 mono_jit_stats.methods_lookups++;
4203 return info->code_start;
4211 * mono_jit_runtime_invoke:
4212 * @method: the method to invoke
4213 * @obj: this pointer
4214 * @params: array of parameter values.
4215 * @exc: used to catch exceptions objects
4218 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
4220 MonoMethod *to_compile;
4222 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
4223 void* compiled_method;
4226 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
4227 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
4231 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
4232 to_compile = mono_marshal_get_static_rgctx_invoke (method);
4234 to_compile = method;
4236 invoke = mono_marshal_get_runtime_invoke (method);
4237 runtime_invoke = mono_jit_compile_method (invoke);
4239 /* We need this here becuase mono_marshal_get_runtime_invoke can be place
4240 * the helper method in System.Object and not the target class
4242 vtable = mono_class_vtable (mono_domain_get (), method->klass);
4244 mono_runtime_class_init (vtable);
4246 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4247 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4249 * Array Get/Set/Address methods. The JIT implements them using inline code
4250 * inside the runtime invoke wrappers, so no need to compile them.
4252 compiled_method = NULL;
4254 compiled_method = mono_jit_compile_method (to_compile);
4256 return runtime_invoke (obj, params, exc, compiled_method);
4259 #ifdef MONO_GET_CONTEXT
4260 #define GET_CONTEXT MONO_GET_CONTEXT
4264 #ifdef PLATFORM_WIN32
4265 #define GET_CONTEXT \
4266 struct sigcontext *ctx = (struct sigcontext*)_dummy;
4268 #ifdef MONO_ARCH_USE_SIGACTION
4269 #define GET_CONTEXT \
4270 void *ctx = context;
4271 #elif defined(__sparc__)
4272 #define GET_CONTEXT \
4275 #define GET_CONTEXT \
4276 void **_p = (void **)&_dummy; \
4277 struct sigcontext *ctx = (struct sigcontext *)++_p;
4282 #ifdef MONO_ARCH_USE_SIGACTION
4283 #define SIG_HANDLER_SIGNATURE(ftn) ftn (int _dummy, siginfo_t *info, void *context)
4284 #elif defined(__sparc__)
4285 #define SIG_HANDLER_SIGNATURE(ftn) ftn (int _dummy, void *sigctx)
4287 #define SIG_HANDLER_SIGNATURE(ftn) ftn (int _dummy)
4291 SIG_HANDLER_SIGNATURE (sigfpe_signal_handler)
4293 MonoException *exc = NULL;
4294 #ifndef MONO_ARCH_USE_SIGACTION
4299 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
4300 if (mono_arch_is_int_overflow (ctx, info))
4301 exc = mono_get_exception_arithmetic ();
4303 exc = mono_get_exception_divide_by_zero ();
4305 exc = mono_get_exception_divide_by_zero ();
4308 mono_arch_handle_exception (ctx, exc, FALSE);
4312 SIG_HANDLER_SIGNATURE (sigill_signal_handler)
4317 exc = mono_get_exception_execution_engine ("SIGILL");
4319 mono_arch_handle_exception (ctx, exc, FALSE);
4323 SIG_HANDLER_SIGNATURE (sigsegv_signal_handler)
4325 #ifndef MONO_ARCH_SIGSEGV_ON_ALTSTACK
4326 MonoException *exc = NULL;
4329 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
4333 /* The thread might no be registered with the runtime */
4334 if (!mono_domain_get () || !jit_tls)
4335 mono_handle_native_sigsegv (SIGSEGV, ctx);
4337 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
4339 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
4340 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
4343 /* The hard-guard page has been hit: there is not much we can do anymore
4344 * Print a hopefully clear message and abort.
4346 if (jit_tls->stack_size &&
4347 ABS ((guint8*)info->si_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 32768) {
4349 /* we don't do much now, but we can warn the user with a useful message */
4350 fprintf (stderr, "Stack overflow: IP: %p, fault addr: %p\n", mono_arch_ip_from_context (ctx), (gpointer)info->si_addr);
4351 if (ji && ji->method)
4352 method = mono_method_full_name (ji->method, TRUE);
4354 method = "Unmanaged";
4355 fprintf (stderr, "At %s\n", method);
4358 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
4363 mono_handle_native_sigsegv (SIGSEGV, ctx);
4366 mono_arch_handle_exception (ctx, exc, FALSE);
4370 #ifndef PLATFORM_WIN32
4373 SIG_HANDLER_SIGNATURE (sigabrt_signal_handler)
4378 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context(ctx));
4380 mono_handle_native_sigsegv (SIGABRT, ctx);
4385 SIG_HANDLER_SIGNATURE (sigusr1_signal_handler)
4387 gboolean running_managed;
4389 MonoThread *thread = mono_thread_current ();
4394 if (thread->thread_dump_requested) {
4395 thread->thread_dump_requested = FALSE;
4397 mono_print_thread_dump (ctx);
4402 * This is an async signal, so the code below must not call anything which
4403 * is not async safe. That includes the pthread locking functions. If we
4404 * know that we interrupted managed code, then locking is safe.
4406 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context(ctx));
4407 running_managed = ji != NULL;
4409 exc = mono_thread_request_interruption (running_managed);
4412 mono_arch_handle_exception (ctx, exc, FALSE);
4415 #if defined(__i386__) || defined(__x86_64__)
4416 #define FULL_STAT_PROFILER_BACKTRACE 1
4417 #define CURRENT_FRAME_GET_BASE_POINTER(f) (* (gpointer*)(f))
4418 #define CURRENT_FRAME_GET_RETURN_ADDRESS(f) (* (((gpointer*)(f)) + 1))
4419 #if MONO_ARCH_STACK_GROWS_UP
4420 #define IS_BEFORE_ON_STACK <
4421 #define IS_AFTER_ON_STACK >
4423 #define IS_BEFORE_ON_STACK >
4424 #define IS_AFTER_ON_STACK <
4427 #define FULL_STAT_PROFILER_BACKTRACE 0
4430 #if defined(__ia64__) || defined(__sparc__) || defined(sparc) || defined(__s390__) || defined(s390)
4433 SIG_HANDLER_SIGNATURE (sigprof_signal_handler)
4441 SIG_HANDLER_SIGNATURE (sigprof_signal_handler)
4443 int call_chain_depth = mono_profiler_stat_get_call_chain_depth ();
4446 if (call_chain_depth == 0) {
4447 mono_profiler_stat_hit (mono_arch_ip_from_context (ctx), ctx);
4449 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
4450 int current_frame_index = 1;
4451 MonoContext mono_context;
4452 #if FULL_STAT_PROFILER_BACKTRACE
4453 guchar *current_frame;
4454 guchar *stack_bottom;
4459 guchar *ips [call_chain_depth + 1];
4461 mono_arch_sigctx_to_monoctx (ctx, &mono_context);
4462 ips [0] = MONO_CONTEXT_GET_IP (&mono_context);
4464 if (jit_tls != NULL) {
4465 #if FULL_STAT_PROFILER_BACKTRACE
4466 stack_bottom = jit_tls->end_of_stack;
4467 stack_top = MONO_CONTEXT_GET_SP (&mono_context);
4468 current_frame = MONO_CONTEXT_GET_BP (&mono_context);
4470 while ((current_frame_index <= call_chain_depth) &&
4471 (stack_bottom IS_BEFORE_ON_STACK (guchar*) current_frame) &&
4472 ((guchar*) current_frame IS_BEFORE_ON_STACK stack_top)) {
4473 ips [current_frame_index] = CURRENT_FRAME_GET_RETURN_ADDRESS (current_frame);
4474 current_frame_index ++;
4475 stack_top = current_frame;
4476 current_frame = CURRENT_FRAME_GET_BASE_POINTER (current_frame);
4479 domain = mono_domain_get ();
4480 if (domain != NULL) {
4481 MonoLMF *lmf = NULL;
4484 MonoContext new_mono_context;
4486 ji = mono_find_jit_info (domain, jit_tls, &res, NULL, &mono_context,
4487 &new_mono_context, NULL, &lmf, &native_offset, NULL);
4488 while ((ji != NULL) && (current_frame_index <= call_chain_depth)) {
4489 ips [current_frame_index] = MONO_CONTEXT_GET_IP (&new_mono_context);
4490 current_frame_index ++;
4491 mono_context = new_mono_context;
4492 ji = mono_find_jit_info (domain, jit_tls, &res, NULL, &mono_context,
4493 &new_mono_context, NULL, &lmf, &native_offset, NULL);
4500 mono_profiler_stat_call_chain (current_frame_index, & ips [0], ctx);
4507 SIG_HANDLER_SIGNATURE (sigquit_signal_handler)
4513 /* We use this signal to start the attach agent too */
4514 res = mono_attach_start ();
4518 printf ("Full thread dump:\n");
4520 mono_threads_request_thread_dump ();
4523 * print_thread_dump () skips the current thread, since sending a signal
4524 * to it would invoke the signal handler below the sigquit signal handler,
4525 * and signal handlers don't create an lmf, so the stack walk could not
4528 mono_print_thread_dump (ctx);
4532 SIG_HANDLER_SIGNATURE (sigusr2_signal_handler)
4534 gboolean enabled = mono_trace_is_enabled ();
4536 mono_trace_enable (!enabled);
4542 SIG_HANDLER_SIGNATURE (sigint_signal_handler)
4547 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
4549 mono_arch_handle_exception (ctx, exc, FALSE);
4552 #ifdef PLATFORM_MACOSX
4555 * This code disables the CrashReporter of MacOS X by installing
4556 * a dummy Mach exception handler.
4560 * http://darwinsource.opendarwin.org/10.4.3/xnu-792.6.22/osfmk/man/exc_server.html
4564 exc_server (mach_msg_header_t *request_msg,
4565 mach_msg_header_t *reply_msg);
4568 * The exception message
4571 mach_msg_base_t msg; /* common mach message header */
4572 char payload [1024]; /* opaque */
4573 } mach_exception_msg_t;
4575 /* The exception port */
4576 static mach_port_t mach_exception_port = VM_MAP_NULL;
4579 * Implicitly called by exc_server. Must be public.
4581 * http://darwinsource.opendarwin.org/10.4.3/xnu-792.6.22/osfmk/man/catch_exception_raise.html
4584 catch_exception_raise (
4585 mach_port_t exception_port,
4588 exception_type_t exception,
4589 exception_data_t code,
4590 mach_msg_type_number_t code_count)
4592 /* consume the exception */
4593 return KERN_FAILURE;
4597 * Exception thread handler.
4601 mach_exception_thread (void *arg)
4604 mach_exception_msg_t request;
4605 mach_exception_msg_t reply;
4606 mach_msg_return_t result;
4608 /* receive from "mach_exception_port" */
4609 result = mach_msg (&request.msg.header,
4610 MACH_RCV_MSG | MACH_RCV_LARGE,
4613 mach_exception_port,
4614 MACH_MSG_TIMEOUT_NONE,
4617 g_assert (result == MACH_MSG_SUCCESS);
4619 /* dispatch to catch_exception_raise () */
4620 exc_server (&request.msg.header, &reply.msg.header);
4622 /* send back to sender */
4623 result = mach_msg (&reply.msg.header,
4625 reply.msg.header.msgh_size,
4628 MACH_MSG_TIMEOUT_NONE,
4631 g_assert (result == MACH_MSG_SUCCESS);
4637 macosx_register_exception_handler ()
4640 pthread_attr_t attr;
4643 if (mach_exception_port != VM_MAP_NULL)
4646 task = mach_task_self ();
4648 /* create the "mach_exception_port" with send & receive rights */
4649 g_assert (mach_port_allocate (task, MACH_PORT_RIGHT_RECEIVE,
4650 &mach_exception_port) == KERN_SUCCESS);
4651 g_assert (mach_port_insert_right (task, mach_exception_port, mach_exception_port,
4652 MACH_MSG_TYPE_MAKE_SEND) == KERN_SUCCESS);
4654 /* create the exception handler thread */
4655 g_assert (!pthread_attr_init (&attr));
4656 g_assert (!pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED));
4657 g_assert (!pthread_create (&thread, &attr, mach_exception_thread, NULL));
4658 pthread_attr_destroy (&attr);
4661 * register "mach_exception_port" as a receiver for the
4662 * EXC_BAD_ACCESS exception
4664 * http://darwinsource.opendarwin.org/10.4.3/xnu-792.6.22/osfmk/man/task_set_exception_ports.html
4666 g_assert (task_set_exception_ports (task, EXC_MASK_BAD_ACCESS,
4667 mach_exception_port,
4669 MACHINE_THREAD_STATE) == KERN_SUCCESS);
4673 #ifndef PLATFORM_WIN32
4675 add_signal_handler (int signo, gpointer handler)
4677 struct sigaction sa;
4679 #ifdef MONO_ARCH_USE_SIGACTION
4680 sa.sa_sigaction = handler;
4681 sigemptyset (&sa.sa_mask);
4682 sa.sa_flags = SA_SIGINFO;
4683 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
4684 if (signo == SIGSEGV)
4685 sa.sa_flags |= SA_ONSTACK;
4688 sa.sa_handler = handler;
4689 sigemptyset (&sa.sa_mask);
4692 g_assert (sigaction (signo, &sa, NULL) != -1);
4696 remove_signal_handler (int signo)
4698 struct sigaction sa;
4700 sa.sa_handler = SIG_DFL;
4701 sigemptyset (&sa.sa_mask);
4704 sigaction (signo, &sa, NULL);
4709 mono_runtime_install_handlers (void)
4711 #ifdef PLATFORM_WIN32
4713 win32_seh_set_handler(SIGFPE, sigfpe_signal_handler);
4714 win32_seh_set_handler(SIGILL, sigill_signal_handler);
4715 win32_seh_set_handler(SIGSEGV, sigsegv_signal_handler);
4716 if (debug_options.handle_sigint)
4717 win32_seh_set_handler(SIGINT, sigint_signal_handler);
4719 #else /* !PLATFORM_WIN32 */
4721 sigset_t signal_set;
4723 #if defined(PLATFORM_MACOSX) && !defined(__arm__)
4724 macosx_register_exception_handler ();
4727 if (debug_options.handle_sigint)
4728 add_signal_handler (SIGINT, sigint_signal_handler);
4730 add_signal_handler (SIGFPE, sigfpe_signal_handler);
4731 add_signal_handler (SIGQUIT, sigquit_signal_handler);
4732 add_signal_handler (SIGILL, sigill_signal_handler);
4733 add_signal_handler (SIGBUS, sigsegv_signal_handler);
4734 if (mono_jit_trace_calls != NULL)
4735 add_signal_handler (SIGUSR2, sigusr2_signal_handler);
4737 add_signal_handler (mono_thread_get_abort_signal (), sigusr1_signal_handler);
4738 /* it seems to have become a common bug for some programs that run as parents
4739 * of many processes to block signal delivery for real time signals.
4740 * We try to detect and work around their breakage here.
4742 sigemptyset (&signal_set);
4743 sigaddset (&signal_set, mono_thread_get_abort_signal ());
4744 sigprocmask (SIG_UNBLOCK, &signal_set, NULL);
4746 signal (SIGPIPE, SIG_IGN);
4748 add_signal_handler (SIGABRT, sigabrt_signal_handler);
4751 add_signal_handler (SIGSEGV, sigsegv_signal_handler);
4752 #endif /* PLATFORM_WIN32 */
4756 mono_runtime_cleanup_handlers (void)
4758 #ifdef PLATFORM_WIN32
4759 win32_seh_cleanup();
4761 if (debug_options.handle_sigint)
4762 remove_signal_handler (SIGINT);
4764 remove_signal_handler (SIGFPE);
4765 remove_signal_handler (SIGQUIT);
4766 remove_signal_handler (SIGILL);
4767 remove_signal_handler (SIGBUS);
4768 if (mono_jit_trace_calls != NULL)
4769 remove_signal_handler (SIGUSR2);
4771 remove_signal_handler (mono_thread_get_abort_signal ());
4773 remove_signal_handler (SIGABRT);
4775 remove_signal_handler (SIGSEGV);
4776 #endif /* PLATFORM_WIN32 */
4780 #ifdef HAVE_LINUX_RTC_H
4781 #include <linux/rtc.h>
4782 #include <sys/ioctl.h>
4784 static int rtc_fd = -1;
4787 enable_rtc_timer (gboolean enable)
4790 flags = fcntl (rtc_fd, F_GETFL);
4792 perror ("getflags");
4799 if (fcntl (rtc_fd, F_SETFL, flags) == -1) {
4800 perror ("setflags");
4807 #ifdef PLATFORM_WIN32
4808 static HANDLE win32_main_thread;
4809 static MMRESULT win32_timer;
4811 static void CALLBACK
4812 win32_time_proc (UINT uID, UINT uMsg, DWORD dwUser, DWORD dw1, DWORD dw2)
4816 context.ContextFlags = CONTEXT_CONTROL;
4817 if (GetThreadContext (win32_main_thread, &context)) {
4819 mono_profiler_stat_hit ((guchar *) context.Rip, &context);
4821 mono_profiler_stat_hit ((guchar *) context.Eip, &context);
4828 setup_stat_profiler (void)
4831 struct itimerval itval;
4832 static int inited = 0;
4833 #ifdef HAVE_LINUX_RTC_H
4834 const char *rtc_freq;
4835 if (!inited && (rtc_freq = g_getenv ("MONO_RTC"))) {
4839 freq = atoi (rtc_freq);
4842 rtc_fd = open ("/dev/rtc", O_RDONLY);
4844 perror ("open /dev/rtc");
4847 add_signal_handler (SIGPROF, sigprof_signal_handler);
4848 if (ioctl (rtc_fd, RTC_IRQP_SET, freq) == -1) {
4849 perror ("set rtc freq");
4852 if (ioctl (rtc_fd, RTC_PIE_ON, 0) == -1) {
4853 perror ("start rtc");
4856 if (fcntl (rtc_fd, F_SETSIG, SIGPROF) == -1) {
4860 if (fcntl (rtc_fd, F_SETOWN, getpid ()) == -1) {
4864 enable_rtc_timer (TRUE);
4871 itval.it_interval.tv_usec = 999;
4872 itval.it_interval.tv_sec = 0;
4873 itval.it_value = itval.it_interval;
4874 setitimer (ITIMER_PROF, &itval, NULL);
4878 add_signal_handler (SIGPROF, sigprof_signal_handler);
4879 #elif defined (PLATFORM_WIN32)
4880 static int inited = 0;
4887 if (timeGetDevCaps (&timecaps, sizeof (timecaps)) != TIMERR_NOERROR)
4890 if ((win32_main_thread = OpenThread (READ_CONTROL | THREAD_GET_CONTEXT, FALSE, GetCurrentThreadId ())) == NULL)
4893 if (timeBeginPeriod (1) != TIMERR_NOERROR)
4896 if ((win32_timer = timeSetEvent (1, 0, win32_time_proc, 0, TIME_PERIODIC)) == 0) {
4903 /* mono_jit_create_remoting_trampoline:
4904 * @method: pointer to the method info
4906 * Creates a trampoline which calls the remoting functions. This
4907 * is used in the vtable of transparent proxies.
4909 * Returns: a pointer to the newly created code
4912 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
4915 guint8 *addr = NULL;
4917 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
4918 return mono_arch_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
4922 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
4923 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
4924 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
4925 addr = mono_compile_method (nm);
4927 addr = mono_compile_method (method);
4929 return mono_get_addr_from_ftnptr (addr);
4932 #ifdef MONO_ARCH_HAVE_IMT
4934 mini_get_imt_trampoline (void)
4936 static gpointer tramp = NULL;
4938 tramp = mono_create_specific_trampoline (MONO_FAKE_IMT_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
4943 #ifdef MONO_ARCH_COMMON_VTABLE_TRAMPOLINE
4945 mini_get_vtable_trampoline (void)
4947 static gpointer tramp = NULL;
4949 tramp = mono_create_specific_trampoline (MONO_FAKE_VTABLE_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
4955 mini_parse_debug_options (void)
4957 char *options = getenv ("MONO_DEBUG");
4958 gchar **args, **ptr;
4963 args = g_strsplit (options, ",", -1);
4965 for (ptr = args; ptr && *ptr; ptr++) {
4966 const char *arg = *ptr;
4968 if (!strcmp (arg, "handle-sigint"))
4969 debug_options.handle_sigint = TRUE;
4970 else if (!strcmp (arg, "keep-delegates"))
4971 debug_options.keep_delegates = TRUE;
4972 else if (!strcmp (arg, "collect-pagefault-stats"))
4973 debug_options.collect_pagefault_stats = TRUE;
4974 else if (!strcmp (arg, "break-on-unverified"))
4975 debug_options.break_on_unverified = TRUE;
4976 else if (!strcmp (arg, "no-gdb-backtrace"))
4977 debug_options.no_gdb_backtrace = TRUE;
4978 else if (!strcmp (arg, "dont-free-domains"))
4979 mono_dont_free_domains = TRUE;
4981 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
4982 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains'\n");
4991 mini_get_debug_options (void)
4993 return &debug_options;
4997 mini_create_jit_domain_info (MonoDomain *domain)
4999 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
5001 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5002 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5003 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5004 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5006 domain->runtime_info = info;
5010 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
5012 g_slist_free (value);
5016 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
5018 MonoJitDynamicMethodInfo *di = value;
5019 mono_code_manager_destroy (di->code_mp);
5024 mini_free_jit_domain_info (MonoDomain *domain)
5026 MonoJitDomainInfo *info = domain_jit_info (domain);
5028 if (info->jump_target_hash) {
5029 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
5030 g_hash_table_destroy (info->jump_target_hash);
5032 if (info->jump_target_got_slot_hash) {
5033 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
5034 g_hash_table_destroy (info->jump_target_got_slot_hash);
5036 if (info->dynamic_code_hash) {
5037 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
5038 g_hash_table_destroy (info->dynamic_code_hash);
5040 if (info->method_code_hash)
5041 g_hash_table_destroy (info->method_code_hash);
5042 g_hash_table_destroy (info->class_init_trampoline_hash);
5043 g_hash_table_destroy (info->jump_trampoline_hash);
5044 g_hash_table_destroy (info->jit_trampoline_hash);
5045 g_hash_table_destroy (info->delegate_trampoline_hash);
5047 g_free (domain->runtime_info);
5048 domain->runtime_info = NULL;
5052 mini_init (const char *filename, const char *runtime_version)
5056 MONO_PROBE_VES_INIT_BEGIN ();
5059 if (access ("/proc/self/maps", F_OK) != 0) {
5060 g_print ("Mono requires /proc to be mounted.\n");
5065 /* Happens when using the embedding interface */
5066 if (!default_opt_set)
5067 default_opt = mono_parse_default_optimizations (NULL);
5069 InitializeCriticalSection (&jit_mutex);
5071 if (!global_codeman)
5072 global_codeman = mono_code_manager_new ();
5073 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
5075 mono_arch_cpu_init ();
5079 mono_trampolines_init ();
5081 if (!g_thread_supported ())
5082 g_thread_init (NULL);
5084 if (getenv ("MONO_DEBUG") != NULL)
5085 mini_parse_debug_options ();
5087 mono_gc_base_init ();
5089 mono_jit_tls_id = TlsAlloc ();
5090 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
5092 if (default_opt & MONO_OPT_AOT)
5095 mono_runtime_install_handlers ();
5096 mono_threads_install_cleanup (mini_thread_cleanup);
5098 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
5099 // This is experimental code so provide an env var to switch it off
5100 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
5101 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
5103 check_for_pending_exc = FALSE;
5104 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
5108 #define JIT_TRAMPOLINES_WORK
5109 #ifdef JIT_TRAMPOLINES_WORK
5110 mono_install_compile_method (mono_jit_compile_method);
5111 mono_install_free_method (mono_jit_free_method);
5112 mono_install_trampoline (mono_create_jit_trampoline);
5113 mono_install_jump_trampoline (mono_create_jump_trampoline);
5114 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
5115 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
5116 mono_install_create_domain_hook (mini_create_jit_domain_info);
5117 mono_install_free_domain_hook (mini_free_jit_domain_info);
5119 #define JIT_INVOKE_WORKS
5120 #ifdef JIT_INVOKE_WORKS
5121 mono_install_runtime_invoke (mono_jit_runtime_invoke);
5123 mono_install_stack_walk (mono_jit_walk_stack);
5124 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
5125 mono_install_get_class_from_name (mono_aot_get_class_from_name);
5126 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
5128 if (runtime_version)
5129 domain = mono_init_version (filename, runtime_version);
5131 domain = mono_init_from_assembly (filename, filename);
5133 if (mono_aot_only) {
5134 /* The IMT tables are very dynamic thus they are hard to AOT */
5135 mono_use_imt = FALSE;
5136 /* This helps catch code allocation requests */
5137 mono_code_manager_set_read_only (domain->code_mp);
5140 #ifdef MONO_ARCH_HAVE_IMT
5142 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
5143 mono_install_imt_trampoline (mini_get_imt_trampoline ());
5144 #if MONO_ARCH_COMMON_VTABLE_TRAMPOLINE
5145 mono_install_vtable_trampoline (mini_get_vtable_trampoline ());
5150 /* This must come after mono_init () in the aot-only case */
5151 mono_exceptions_init ();
5152 mono_install_handler (mono_get_throw_exception ());
5156 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
5157 ves_icall_get_frame_info);
5158 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
5159 ves_icall_get_trace);
5160 mono_add_internal_call ("System.Exception::get_trace",
5161 ves_icall_System_Exception_get_trace);
5162 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
5163 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
5164 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
5165 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
5166 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
5167 mono_runtime_install_handlers);
5170 create_helper_signature ();
5172 #define JIT_CALLS_WORK
5173 #ifdef JIT_CALLS_WORK
5174 /* Needs to be called here since register_jit_icall depends on it */
5175 mono_marshal_init ();
5177 mono_arch_register_lowlevel_calls ();
5178 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
5179 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
5180 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
5181 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
5182 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
5183 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
5184 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
5186 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
5187 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
5188 register_icall (mono_get_throw_exception_by_name (), "mono_arch_throw_exception_by_name", "void ptr", TRUE);
5189 #if MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION
5190 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
5193 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
5194 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
5195 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
5196 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
5197 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
5200 * NOTE, NOTE, NOTE, NOTE:
5201 * when adding emulation for some opcodes, remember to also add a dummy
5202 * rule to the burg files, because we need the arity information to be correct.
5204 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
5205 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
5206 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
5207 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
5208 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
5209 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
5210 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
5211 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
5214 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
5215 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
5216 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
5217 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
5220 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
5221 mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE);
5222 mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5223 mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE);
5224 mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5225 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
5226 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5227 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
5228 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5231 #ifdef MONO_ARCH_EMULATE_MUL_DIV
5232 mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5233 mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5234 mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE);
5235 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
5236 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5237 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5239 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
5240 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
5243 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
5244 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
5245 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
5246 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
5248 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
5249 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
5251 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
5252 mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5253 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5255 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
5256 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
5258 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
5259 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
5261 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
5262 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
5264 #ifdef MONO_ARCH_EMULATE_FREM
5265 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
5268 #ifdef MONO_ARCH_SOFT_FLOAT
5269 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
5270 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
5271 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
5272 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
5273 mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE);
5274 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
5275 mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE);
5276 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
5277 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
5278 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
5279 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
5280 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
5281 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
5282 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
5284 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
5285 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
5286 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
5287 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
5288 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
5289 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
5290 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
5291 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
5292 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
5293 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
5295 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
5296 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
5297 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
5298 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
5299 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
5301 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
5302 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
5303 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
5306 #if SIZEOF_VOID_P == 4
5307 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
5310 /* other jit icalls */
5311 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
5312 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
5313 "ptr ptr ptr", FALSE);
5314 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
5315 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
5316 "ptr ptr ptr ptr", FALSE);
5317 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
5318 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
5319 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
5320 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
5321 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
5322 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
5323 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
5324 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
5325 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
5326 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
5327 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
5328 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
5329 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
5330 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
5331 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
5332 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
5333 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
5334 register_icall (mono_break, "mono_break", NULL, TRUE);
5335 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
5336 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
5337 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
5338 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
5339 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
5342 mono_generic_sharing_init ();
5344 #ifdef MONO_ARCH_SIMD_INTRINSICS
5345 mono_simd_intrinsics_init ();
5348 if (mono_compile_aot)
5350 * Avoid running managed code when AOT compiling, since the platform
5351 * might only support aot-only execution.
5353 mono_runtime_set_no_exec (TRUE);
5355 #define JIT_RUNTIME_WORKS
5356 #ifdef JIT_RUNTIME_WORKS
5357 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
5358 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
5359 mono_thread_attach (domain);
5362 mono_profiler_runtime_initialized ();
5364 MONO_PROBE_VES_INIT_END ();
5369 MonoJitStats mono_jit_stats = {0};
5372 print_jit_stats (void)
5374 if (mono_jit_stats.enabled) {
5375 g_print ("Mono Jit statistics\n");
5376 g_print ("Compiled methods: %ld\n", mono_jit_stats.methods_compiled);
5377 g_print ("Methods from AOT: %ld\n", mono_jit_stats.methods_aot);
5378 g_print ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups);
5379 g_print ("Method trampolines: %ld\n", mono_jit_stats.method_trampolines);
5380 g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks);
5381 g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks);
5382 g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var);
5383 g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size);
5384 g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size);
5385 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
5386 mono_jit_stats.max_ratio_method);
5387 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
5388 mono_jit_stats.biggest_method);
5389 g_print ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs);
5390 g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size);
5391 g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods);
5392 g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods);
5393 g_print ("Regvars: %ld\n", mono_jit_stats.regvars);
5394 g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size);
5396 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
5397 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
5398 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
5399 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
5400 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
5401 g_print ("Methods: %ld\n", mono_stats.method_count);
5402 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
5403 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
5404 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
5406 g_print ("\nGeneric instances: %ld\n", mono_stats.generic_instance_count);
5407 g_print ("Initialized classes: %ld\n", mono_stats.generic_class_count);
5408 g_print ("Inflated methods: %ld / %ld\n", mono_stats.inflated_method_count_2,
5409 mono_stats.inflated_method_count);
5410 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
5411 g_print ("Generics metadata size: %ld\n", mono_stats.generics_metadata_size);
5412 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
5414 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
5415 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
5416 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
5418 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
5419 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
5420 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
5422 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
5423 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
5424 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
5425 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
5426 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
5427 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
5428 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
5429 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
5431 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
5432 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
5433 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
5435 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
5437 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
5438 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
5439 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
5440 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
5442 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
5443 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
5444 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
5445 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
5446 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
5447 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
5448 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
5451 g_free (mono_jit_stats.max_ratio_method);
5452 mono_jit_stats.max_ratio_method = NULL;
5453 g_free (mono_jit_stats.biggest_method);
5454 mono_jit_stats.biggest_method = NULL;
5459 mini_cleanup (MonoDomain *domain)
5461 #ifdef HAVE_LINUX_RTC_H
5463 enable_rtc_timer (FALSE);
5467 * mono_runtime_cleanup() and mono_domain_finalize () need to
5468 * be called early since they need the execution engine still
5469 * fully working (mono_domain_finalize may invoke managed finalizers
5470 * and mono_runtime_cleanup will wait for other threads to finish).
5472 mono_domain_finalize (domain, 2000);
5474 /* This accesses metadata so needs to be called before runtime shutdown */
5477 mono_runtime_cleanup (domain);
5479 mono_profiler_shutdown ();
5481 mono_icall_cleanup ();
5483 mono_runtime_cleanup_handlers ();
5485 mono_domain_free (domain, TRUE);
5487 mono_debugger_cleanup ();
5489 mono_trampolines_cleanup ();
5491 if (!mono_dont_free_global_codeman)
5492 mono_code_manager_destroy (global_codeman);
5493 g_hash_table_destroy (jit_icall_name_hash);
5494 g_free (emul_opcode_map);
5496 mono_arch_cleanup ();
5500 mono_trace_cleanup ();
5502 mono_counters_dump (-1, stdout);
5504 if (mono_inject_async_exc_method)
5505 mono_method_desc_free (mono_inject_async_exc_method);
5507 TlsFree(mono_jit_tls_id);
5509 DeleteCriticalSection (&jit_mutex);
5511 DeleteCriticalSection (&mono_delegate_section);
5515 mono_set_defaults (int verbose_level, guint32 opts)
5517 mini_verbose = verbose_level;
5519 default_opt_set = TRUE;
5523 * mono_get_runtime_build_info:
5525 * Return the runtime version + build date in string format.
5526 * The returned string is owned by the caller.
5529 mono_get_runtime_build_info (void)
5531 if (mono_build_date)
5532 return g_strdup_printf ("%s %s", FULL_VERSION, mono_build_date);
5534 return g_strdup_printf ("%s", FULL_VERSION);
5538 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
5540 GHashTable *assemblies = (GHashTable*)user_data;
5541 MonoImage *image = mono_assembly_get_image (ass);
5542 MonoMethod *method, *invoke;
5545 if (g_hash_table_lookup (assemblies, ass))
5548 g_hash_table_insert (assemblies, ass, ass);
5550 if (mini_verbose > 0)
5551 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
5553 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
5554 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
5555 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
5559 if (mini_verbose > 1) {
5560 char * desc = mono_method_full_name (method, TRUE);
5561 g_print ("Compiling %d %s\n", count, desc);
5564 mono_compile_method (method);
5565 if (strcmp (method->name, "Finalize") == 0) {
5566 invoke = mono_marshal_get_runtime_invoke (method);
5567 mono_compile_method (invoke);
5569 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
5570 invoke = mono_marshal_get_remoting_invoke_with_check (method);
5571 mono_compile_method (invoke);
5575 /* Load and precompile referenced assemblies as well */
5576 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
5577 mono_assembly_load_reference (image, i);
5578 if (image->references [i])
5579 mono_precompile_assembly (image->references [i], assemblies);
5583 void mono_precompile_assemblies ()
5585 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
5587 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
5589 g_hash_table_destroy (assemblies);