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 #include <mono/utils/memcheck.h>
26 #include <mono/metadata/assembly.h>
27 #include <mono/metadata/loader.h>
28 #include <mono/metadata/tabledefs.h>
29 #include <mono/metadata/class.h>
30 #include <mono/metadata/object.h>
31 #include <mono/metadata/tokentype.h>
32 #include <mono/metadata/tabledefs.h>
33 #include <mono/metadata/threads.h>
34 #include <mono/metadata/appdomain.h>
35 #include <mono/metadata/debug-helpers.h>
36 #include <mono/io-layer/io-layer.h>
37 #include "mono/metadata/profiler.h"
38 #include <mono/metadata/profiler-private.h>
39 #include <mono/metadata/mono-config.h>
40 #include <mono/metadata/environment.h>
41 #include <mono/metadata/mono-debug.h>
42 #include <mono/metadata/gc-internal.h>
43 #include <mono/metadata/threads-types.h>
44 #include <mono/metadata/verify.h>
45 #include <mono/metadata/verify-internals.h>
46 #include <mono/metadata/mempool-internals.h>
47 #include <mono/metadata/attach.h>
48 #include <mono/utils/mono-math.h>
49 #include <mono/utils/mono-compiler.h>
50 #include <mono/utils/mono-counters.h>
51 #include <mono/utils/mono-logger-internal.h>
52 #include <mono/utils/mono-mmap.h>
53 #include <mono/utils/dtrace.h>
62 #include "jit-icalls.h"
64 #include "debug-mini.h"
66 #include "debugger-agent.h"
68 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
70 /* helper methods signature */
71 /* FIXME: Make these static again */
72 MonoMethodSignature *helper_sig_class_init_trampoline = NULL;
73 MonoMethodSignature *helper_sig_domain_get = NULL;
74 MonoMethodSignature *helper_sig_generic_class_init_trampoline = NULL;
75 MonoMethodSignature *helper_sig_generic_class_init_trampoline_llvm = NULL;
76 MonoMethodSignature *helper_sig_rgctx_lazy_fetch_trampoline = NULL;
77 MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline = NULL;
78 MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline_llvm = NULL;
80 static guint32 default_opt = 0;
81 static gboolean default_opt_set = FALSE;
83 guint32 mono_jit_tls_id = -1;
86 static __thread gpointer mono_jit_tls MONO_TLS_FAST;
89 MonoTraceSpec *mono_jit_trace_calls = NULL;
90 gboolean mono_break_on_exc = FALSE;
91 gboolean mono_compile_aot = FALSE;
92 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
93 gboolean mono_aot_only = FALSE;
94 /* Whenever to use IMT */
95 #ifdef MONO_ARCH_HAVE_IMT
96 gboolean mono_use_imt = TRUE;
98 gboolean mono_use_imt = FALSE;
100 MonoMethodDesc *mono_inject_async_exc_method = NULL;
101 int mono_inject_async_exc_pos;
102 MonoMethodDesc *mono_break_at_bb_method = NULL;
103 int mono_break_at_bb_bb_num;
104 gboolean mono_do_x86_stack_align = TRUE;
105 const char *mono_build_date;
106 gboolean mono_do_signal_chaining;
107 static gboolean mono_using_xdebug;
108 static int mini_verbose = 0;
112 static int methods_with_llvm, methods_without_llvm;
116 * This flag controls whenever the runtime uses LLVM compiled code.
117 * Enabling this causes different/slower code paths to be used, which is why it
119 * Changes when this flag is set include:
120 * - a per method vtable trampoline is used to handle virtual calls, instead of only
122 * - fast generic virtual calls are not supported.
125 gboolean mono_use_llvm = TRUE;
127 gboolean mono_use_llvm = FALSE;
130 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
131 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
132 static CRITICAL_SECTION jit_mutex;
134 static MonoCodeManager *global_codeman = NULL;
136 static GHashTable *jit_icall_name_hash = NULL;
138 static MonoDebugOptions debug_options;
140 #ifdef VALGRIND_JIT_REGISTER_MAP
141 static int valgrind_register = 0;
145 * Table written to by the debugger with a 1-based index into the
146 * mono_breakpoint_info table, which contains changes made to
147 * the JIT instructions by the debugger.
150 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
152 /* Whenever to check for pending exceptions in managed-to-native wrappers */
153 gboolean check_for_pending_exc = TRUE;
155 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
156 gboolean disable_vtypes_in_regs = FALSE;
158 gboolean mono_dont_free_global_codeman;
161 mono_running_on_valgrind (void)
163 if (RUNNING_ON_VALGRIND){
164 #ifdef VALGRIND_JIT_REGISTER_MAP
165 valgrind_register = TRUE;
173 MonoExceptionClause *clause;
174 MonoBasicBlock *basic_block;
184 find_tramp (gpointer key, gpointer value, gpointer user_data)
186 FindTrampUserData *ud = (FindTrampUserData*)user_data;
189 ud->method = (MonoMethod*)key;
193 G_GNUC_UNUSED static char*
194 get_method_from_ip (void *ip)
199 MonoDomain *domain = mono_domain_get ();
200 MonoDebugSourceLocation *location;
201 FindTrampUserData user_data;
203 ji = mono_jit_info_table_find (domain, ip);
206 user_data.method = NULL;
207 mono_domain_lock (domain);
208 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
209 mono_domain_unlock (domain);
210 if (user_data.method) {
211 char *mname = mono_method_full_name (user_data.method, TRUE);
212 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
219 method = mono_method_full_name (ji->method, TRUE);
220 /* FIXME: unused ? */
221 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
223 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);
225 mono_debug_free_source_location (location);
233 * @ip: an instruction pointer address
235 * This method is used from a debugger to get the name of the
236 * method at address @ip. This routine is typically invoked from
237 * a debugger like this:
239 * (gdb) print mono_pmip ($pc)
241 * Returns: the name of the method at address @ip.
246 return get_method_from_ip (ip);
250 * mono_print_method_from_ip
251 * @ip: an instruction pointer address
253 * This method is used from a debugger to get the name of the
254 * method at address @ip.
256 * This prints the name of the method at address @ip in the standard
257 * output. Unlike mono_pmip which returns a string, this routine
258 * prints the value on the standard output.
261 mono_print_method_from_ip (void *ip)
265 MonoDebugSourceLocation *source;
266 MonoDomain *domain = mono_domain_get ();
267 MonoDomain *target_domain = mono_domain_get ();
268 FindTrampUserData user_data;
270 ji = mini_jit_info_table_find (domain, ip, &target_domain);
273 user_data.method = NULL;
274 mono_domain_lock (domain);
275 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
276 mono_domain_unlock (domain);
277 if (user_data.method) {
278 char *mname = mono_method_full_name (user_data.method, TRUE);
279 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
283 g_print ("No method at %p\n", ip);
286 method = mono_method_full_name (ji->method, TRUE);
287 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
289 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, target_domain, target_domain->friendly_name);
292 g_print ("%s:%d\n", source->source_file, source->row);
294 mono_debug_free_source_location (source);
299 * mono_method_same_domain:
301 * Determine whenever two compiled methods are in the same domain, thus
302 * the address of the callee can be embedded in the caller.
304 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
306 if (!caller || !callee)
310 * If the call was made from domain-neutral to domain-specific
311 * code, we can't patch the call site.
313 if (caller->domain_neutral && !callee->domain_neutral)
316 if ((caller->method->klass == mono_defaults.appdomain_class) &&
317 (strstr (caller->method->name, "InvokeInDomain"))) {
318 /* The InvokeInDomain methods change the current appdomain */
326 * mono_global_codeman_reserve:
328 * Allocate code memory from the global code manager.
330 void *mono_global_codeman_reserve (int size)
335 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
337 if (!global_codeman) {
338 /* This can happen during startup */
339 global_codeman = mono_code_manager_new ();
340 return mono_code_manager_reserve (global_codeman, size);
344 ptr = mono_code_manager_reserve (global_codeman, size);
351 * mono_create_unwind_op:
353 * Create an unwind op with the given parameters.
356 mono_create_unwind_op (int when, int tag, int reg, int val)
358 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
369 * mono_emit_unwind_op:
371 * Add an unwind op with the given parameters for the list of unwind ops stored in
375 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
377 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
384 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
388 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
390 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
393 res->has_context = context != NULL;
395 memcpy (&res->context, context, sizeof (MonoGenericContext));
401 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
403 return mono_jump_info_token_new2 (mp, image, token, NULL);
407 * mono_tramp_info_create:
409 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
410 * of NAME, JI, and UNWIND_OPS.
413 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
415 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
417 info->name = (char*)name;
419 info->code_size = code_size;
421 info->unwind_ops = unwind_ops;
427 mono_tramp_info_free (MonoTrampInfo *info)
431 // FIXME: ji + unwind_ops
434 #define MONO_INIT_VARINFO(vi,id) do { \
435 (vi)->range.first_use.pos.bid = 0xffff; \
441 * mono_unlink_bblock:
443 * Unlink two basic blocks.
446 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
452 for (i = 0; i < from->out_count; ++i) {
453 if (to == from->out_bb [i]) {
460 for (i = 0; i < from->out_count; ++i) {
461 if (from->out_bb [i] != to)
462 from->out_bb [pos ++] = from->out_bb [i];
464 g_assert (pos == from->out_count - 1);
469 for (i = 0; i < to->in_count; ++i) {
470 if (from == to->in_bb [i]) {
477 for (i = 0; i < to->in_count; ++i) {
478 if (to->in_bb [i] != from)
479 to->in_bb [pos ++] = to->in_bb [i];
481 g_assert (pos == to->in_count - 1);
487 * mono_bblocks_linked:
489 * Return whenever BB1 and BB2 are linked in the CFG.
492 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
496 for (i = 0; i < bb1->out_count; ++i) {
497 if (bb1->out_bb [i] == bb2)
505 mono_find_block_region_notry (MonoCompile *cfg, int offset)
507 MonoMethodHeader *header = cfg->header;
508 MonoExceptionClause *clause;
511 for (i = 0; i < header->num_clauses; ++i) {
512 clause = &header->clauses [i];
513 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
514 (offset < (clause->handler_offset)))
515 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
517 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
518 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
519 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
520 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
521 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
523 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
531 * mono_get_block_region_notry:
533 * Return the region corresponding to REGION, ignoring try clauses nested inside
537 mono_get_block_region_notry (MonoCompile *cfg, int region)
539 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
540 MonoMethodHeader *header = cfg->header;
543 * This can happen if a try clause is nested inside a finally clause.
545 int clause_index = (region >> 8) - 1;
546 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
548 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
555 mono_find_spvar_for_region (MonoCompile *cfg, int region)
557 region = mono_get_block_region_notry (cfg, region);
559 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
563 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
567 array [*dfn] = start;
568 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
569 for (i = 0; i < start->out_count; ++i) {
570 if (start->out_bb [i]->dfn)
573 start->out_bb [i]->dfn = *dfn;
574 start->out_bb [i]->df_parent = start;
575 array [*dfn] = start->out_bb [i];
576 df_visit (start->out_bb [i], dfn, array);
581 mono_reverse_branch_op (guint32 opcode)
583 static const int reverse_map [] = {
584 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
585 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
587 static const int reverse_fmap [] = {
588 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
589 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
591 static const int reverse_lmap [] = {
592 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
593 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
595 static const int reverse_imap [] = {
596 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
597 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
600 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
601 opcode = reverse_map [opcode - CEE_BEQ];
602 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
603 opcode = reverse_fmap [opcode - OP_FBEQ];
604 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
605 opcode = reverse_lmap [opcode - OP_LBEQ];
606 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
607 opcode = reverse_imap [opcode - OP_IBEQ];
609 g_assert_not_reached ();
615 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
618 return OP_STORE_MEMBASE_REG;
621 switch (type->type) {
624 case MONO_TYPE_BOOLEAN:
625 return OP_STOREI1_MEMBASE_REG;
629 return OP_STOREI2_MEMBASE_REG;
632 return OP_STOREI4_MEMBASE_REG;
636 case MONO_TYPE_FNPTR:
637 return OP_STORE_MEMBASE_REG;
638 case MONO_TYPE_CLASS:
639 case MONO_TYPE_STRING:
640 case MONO_TYPE_OBJECT:
641 case MONO_TYPE_SZARRAY:
642 case MONO_TYPE_ARRAY:
643 return OP_STORE_MEMBASE_REG;
646 return OP_STOREI8_MEMBASE_REG;
648 return OP_STORER4_MEMBASE_REG;
650 return OP_STORER8_MEMBASE_REG;
651 case MONO_TYPE_VALUETYPE:
652 if (type->data.klass->enumtype) {
653 type = mono_class_enum_basetype (type->data.klass);
656 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
657 return OP_STOREX_MEMBASE;
658 return OP_STOREV_MEMBASE;
659 case MONO_TYPE_TYPEDBYREF:
660 return OP_STOREV_MEMBASE;
661 case MONO_TYPE_GENERICINST:
662 type = &type->data.generic_class->container_class->byval_arg;
666 /* FIXME: all the arguments must be references for now,
667 * later look inside cfg and see if the arg num is
670 g_assert (cfg->generic_sharing_context);
671 return OP_STORE_MEMBASE_REG;
673 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
679 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
682 return OP_LOAD_MEMBASE;
684 type = mono_type_get_underlying_type (type);
686 switch (type->type) {
688 return OP_LOADI1_MEMBASE;
690 case MONO_TYPE_BOOLEAN:
691 return OP_LOADU1_MEMBASE;
693 return OP_LOADI2_MEMBASE;
696 return OP_LOADU2_MEMBASE;
698 return OP_LOADI4_MEMBASE;
700 return OP_LOADU4_MEMBASE;
704 case MONO_TYPE_FNPTR:
705 return OP_LOAD_MEMBASE;
706 case MONO_TYPE_CLASS:
707 case MONO_TYPE_STRING:
708 case MONO_TYPE_OBJECT:
709 case MONO_TYPE_SZARRAY:
710 case MONO_TYPE_ARRAY:
711 return OP_LOAD_MEMBASE;
714 return OP_LOADI8_MEMBASE;
716 return OP_LOADR4_MEMBASE;
718 return OP_LOADR8_MEMBASE;
719 case MONO_TYPE_VALUETYPE:
720 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
721 return OP_LOADX_MEMBASE;
722 case MONO_TYPE_TYPEDBYREF:
723 return OP_LOADV_MEMBASE;
724 case MONO_TYPE_GENERICINST:
725 if (mono_type_generic_inst_is_valuetype (type))
726 return OP_LOADV_MEMBASE;
728 return OP_LOAD_MEMBASE;
732 /* FIXME: all the arguments must be references for now,
733 * later look inside cfg and see if the arg num is
736 g_assert (cfg->generic_sharing_context);
737 return OP_LOAD_MEMBASE;
739 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
745 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
747 if (cfg->generic_sharing_context && !type->byref) {
748 /* FIXME: all the arguments must be references for now,
749 * later look inside cfg and see if the arg num is
752 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
753 return CEE_LDIND_REF;
755 return mono_type_to_ldind (type);
759 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
761 if (cfg->generic_sharing_context && !type->byref) {
762 /* FIXME: all the arguments must be references for now,
763 * later look inside cfg and see if the arg num is
766 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
767 return CEE_STIND_REF;
769 return mono_type_to_stind (type);
773 mono_op_imm_to_op (int opcode)
777 #if SIZEOF_REGISTER == 4
793 #if SIZEOF_REGISTER == 4
799 #if SIZEOF_REGISTER == 4
805 #if SIZEOF_REGISTER == 4
843 #if SIZEOF_REGISTER == 4
849 #if SIZEOF_REGISTER == 4
868 case OP_ICOMPARE_IMM:
870 case OP_LOCALLOC_IMM:
873 printf ("%s\n", mono_inst_name (opcode));
874 g_assert_not_reached ();
880 * mono_decompose_op_imm:
882 * Replace the OP_.._IMM INS with its non IMM variant.
885 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
889 MONO_INST_NEW (cfg, temp, OP_ICONST);
890 temp->inst_c0 = ins->inst_imm;
891 temp->dreg = mono_alloc_ireg (cfg);
892 mono_bblock_insert_before_ins (bb, ins, temp);
893 ins->opcode = mono_op_imm_to_op (ins->opcode);
894 if (ins->opcode == OP_LOCALLOC)
895 ins->sreg1 = temp->dreg;
897 ins->sreg2 = temp->dreg;
899 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
903 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
905 if (vreg >= cfg->vreg_to_inst_len) {
906 MonoInst **tmp = cfg->vreg_to_inst;
907 int size = cfg->vreg_to_inst_len;
909 while (vreg >= cfg->vreg_to_inst_len)
910 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
911 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
913 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
915 cfg->vreg_to_inst [vreg] = inst;
918 #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)))
919 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
924 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
932 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
935 int num = cfg->num_varinfo;
938 if ((num + 1) >= cfg->varinfo_count) {
939 int orig_count = cfg->varinfo_count;
940 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
941 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
942 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
943 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
946 mono_jit_stats.allocate_var++;
948 MONO_INST_NEW (cfg, inst, opcode);
950 inst->inst_vtype = type;
951 inst->klass = mono_class_from_mono_type (type);
952 type_to_eval_stack_type (cfg, type, inst);
953 /* if set to 1 the variable is native */
954 inst->backend.is_pinvoke = 0;
957 cfg->varinfo [num] = inst;
959 MONO_INIT_VARINFO (&cfg->vars [num], num);
960 MONO_VARINFO (cfg, num)->vreg = vreg;
963 set_vreg_to_inst (cfg, vreg, inst);
965 #if SIZEOF_REGISTER == 4
966 #ifdef MONO_ARCH_SOFT_FLOAT
967 regpair = mono_type_is_long (type) || mono_type_is_float (type);
969 regpair = mono_type_is_long (type);
979 * These two cannot be allocated using create_var_for_vreg since that would
980 * put it into the cfg->varinfo array, confusing many parts of the JIT.
984 * Set flags to VOLATILE so SSA skips it.
987 if (cfg->verbose_level >= 4) {
988 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
991 #ifdef MONO_ARCH_SOFT_FLOAT
992 if (cfg->opt & MONO_OPT_SSA) {
993 if (mono_type_is_float (type))
994 inst->flags = MONO_INST_VOLATILE;
998 /* Allocate a dummy MonoInst for the first vreg */
999 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1000 tree->dreg = inst->dreg + 1;
1001 if (cfg->opt & MONO_OPT_SSA)
1002 tree->flags = MONO_INST_VOLATILE;
1003 tree->inst_c0 = num;
1004 tree->type = STACK_I4;
1005 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1006 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1008 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1010 /* Allocate a dummy MonoInst for the second vreg */
1011 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1012 tree->dreg = inst->dreg + 2;
1013 if (cfg->opt & MONO_OPT_SSA)
1014 tree->flags = MONO_INST_VOLATILE;
1015 tree->inst_c0 = num;
1016 tree->type = STACK_I4;
1017 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1018 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1020 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1024 if (cfg->verbose_level > 2)
1025 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1030 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1034 if (mono_type_is_long (type))
1035 dreg = mono_alloc_dreg (cfg, STACK_I8);
1036 #ifdef MONO_ARCH_SOFT_FLOAT
1037 else if (mono_type_is_float (type))
1038 dreg = mono_alloc_dreg (cfg, STACK_R8);
1041 /* All the others are unified */
1042 dreg = mono_alloc_preg (cfg);
1044 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1048 * Transform a MonoInst into a load from the variable of index var_index.
1051 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1052 memset (dest, 0, sizeof (MonoInst));
1053 dest->inst_i0 = cfg->varinfo [var_index];
1054 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1055 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1056 dest->klass = dest->inst_i0->klass;
1062 type_from_stack_type (MonoInst *ins) {
1063 switch (ins->type) {
1064 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1065 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1066 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1067 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1070 * this if used to be commented without any specific reason, but
1071 * it breaks #80235 when commented
1074 return &ins->klass->this_arg;
1076 return &mono_defaults.object_class->this_arg;
1078 /* ins->klass may not be set for ldnull.
1079 * Also, if we have a boxed valuetype, we want an object lass,
1080 * not the valuetype class
1082 if (ins->klass && !ins->klass->valuetype)
1083 return &ins->klass->byval_arg;
1084 return &mono_defaults.object_class->byval_arg;
1085 case STACK_VTYPE: return &ins->klass->byval_arg;
1087 g_error ("stack type %d to montype not handled\n", ins->type);
1093 mono_type_from_stack_type (MonoInst *ins) {
1094 return type_from_stack_type (ins);
1098 * mono_add_ins_to_end:
1100 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1103 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1108 MONO_ADD_INS (bb, inst);
1112 switch (bb->last_ins->opcode) {
1126 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1129 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1130 /* Need to insert the ins before the compare */
1131 if (bb->code == bb->last_ins) {
1132 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1136 if (bb->code->next == bb->last_ins) {
1137 /* Only two instructions */
1138 opcode = bb->code->opcode;
1140 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)) {
1142 mono_bblock_insert_before_ins (bb, bb->code, inst);
1144 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1147 opcode = bb->last_ins->prev->opcode;
1149 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)) {
1151 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1153 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1158 MONO_ADD_INS (bb, inst);
1164 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1166 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1167 MonoJumpInfoBBTable *table;
1169 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1171 table->table_size = num_blocks;
1173 ji->ip.label = label;
1174 ji->type = MONO_PATCH_INFO_SWITCH;
1175 ji->data.table = table;
1176 ji->next = cfg->patch_info;
1177 cfg->patch_info = ji;
1180 static MonoMethodSignature *
1181 mono_get_array_new_va_signature (int arity)
1183 static GHashTable *sighash = NULL;
1184 MonoMethodSignature *res;
1189 sighash = g_hash_table_new (NULL, NULL);
1191 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1196 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1199 #ifdef MONO_ARCH_VARARG_ICALLS
1200 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1201 res->call_convention = MONO_CALL_VARARG;
1205 res->call_convention = MONO_CALL_C;
1208 res->params [0] = &mono_defaults.int_class->byval_arg;
1209 for (i = 0; i < arity; i++)
1210 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1212 res->ret = &mono_defaults.object_class->byval_arg;
1214 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1221 mono_get_array_new_va_icall (int rank)
1223 MonoMethodSignature *esig;
1224 char icall_name [256];
1226 MonoJitICallInfo *info;
1228 /* Need to register the icall so it gets an icall wrapper */
1229 sprintf (icall_name, "ves_array_new_va_%d", rank);
1232 info = mono_find_jit_icall_by_name (icall_name);
1234 esig = mono_get_array_new_va_signature (rank);
1235 name = g_strdup (icall_name);
1236 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1238 g_hash_table_insert (jit_icall_name_hash, name, name);
1246 mini_class_is_system_array (MonoClass *klass)
1248 if (klass->parent == mono_defaults.array_class)
1255 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1257 MonoAssembly *assembly = method->klass->image->assembly;
1258 if (method->wrapper_type != MONO_WRAPPER_NONE)
1260 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1262 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1264 return mono_assembly_has_skip_verification (assembly);
1268 * mini_method_verify:
1270 * Verify the method using the new verfier.
1272 * Returns true if the method is invalid.
1275 mini_method_verify (MonoCompile *cfg, MonoMethod *method)
1278 gboolean is_fulltrust;
1279 MonoLoaderError *error;
1281 if (method->verification_success)
1284 is_fulltrust = mono_verifier_is_method_full_trust (method);
1286 if (!mono_verifier_is_enabled_for_method (method))
1289 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility);
1291 if ((error = mono_loader_get_last_error ())) {
1292 cfg->exception_type = error->exception_type;
1294 mono_free_verify_list (res);
1299 for (tmp = res; tmp; tmp = tmp->next) {
1300 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1301 if (info->info.status == MONO_VERIFY_ERROR) {
1302 char *method_name = mono_method_full_name (method, TRUE);
1303 cfg->exception_type = info->exception_type;
1304 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1305 mono_free_verify_list (res);
1306 g_free (method_name);
1309 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1310 char *method_name = mono_method_full_name (method, TRUE);
1311 cfg->exception_type = info->exception_type;
1312 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1313 mono_free_verify_list (res);
1314 g_free (method_name);
1318 mono_free_verify_list (res);
1320 method->verification_success = 1;
1324 /*Returns true is something went wrong*/
1326 mono_compile_is_broken (MonoCompile *cfg)
1328 MonoMethod *method = cfg->method;
1329 MonoMethod *method_definition = method;
1330 gboolean dont_verify = mini_assembly_can_skip_verification (cfg->domain, method);
1331 dont_verify |= method->klass->image->assembly->corlib_internal;
1333 while (method_definition->is_inflated) {
1334 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1335 method_definition = imethod->declaring;
1338 return !dont_verify && mini_method_verify (cfg, method_definition);
1342 create_helper_signature (void)
1344 helper_sig_domain_get = mono_create_icall_signature ("ptr");
1345 helper_sig_class_init_trampoline = mono_create_icall_signature ("void");
1346 helper_sig_generic_class_init_trampoline = mono_create_icall_signature ("void");
1347 helper_sig_generic_class_init_trampoline_llvm = mono_create_icall_signature ("void ptr");
1348 helper_sig_rgctx_lazy_fetch_trampoline = mono_create_icall_signature ("ptr ptr");
1349 helper_sig_monitor_enter_exit_trampoline = mono_create_icall_signature ("void");
1350 helper_sig_monitor_enter_exit_trampoline_llvm = mono_create_icall_signature ("void object");
1353 static gconstpointer
1354 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1357 MonoMethod *wrapper;
1358 gconstpointer trampoline;
1359 MonoDomain *domain = mono_get_root_domain ();
1361 if (callinfo->wrapper) {
1362 return callinfo->wrapper;
1365 if (callinfo->trampoline)
1366 return callinfo->trampoline;
1369 * We use the lock on the root domain instead of the JIT lock to protect
1370 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1372 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1373 mono_domain_lock (domain);
1375 if (callinfo->trampoline) {
1376 mono_domain_unlock (domain);
1377 mono_loader_unlock ();
1378 return callinfo->trampoline;
1381 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1382 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1386 trampoline = mono_compile_method (wrapper);
1388 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1389 mono_register_jit_icall_wrapper (callinfo, trampoline);
1391 callinfo->trampoline = trampoline;
1393 mono_domain_unlock (domain);
1394 mono_loader_unlock ();
1396 return callinfo->trampoline;
1400 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1402 return mono_icall_get_wrapper_full (callinfo, FALSE);
1406 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1408 if (!domain_jit_info (domain)->dynamic_code_hash)
1409 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1410 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1413 static MonoJitDynamicMethodInfo*
1414 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1416 MonoJitDynamicMethodInfo *res;
1418 if (domain_jit_info (domain)->dynamic_code_hash)
1419 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1427 GList *active, *inactive;
1432 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1434 MonoMethodVar *v1 = (MonoMethodVar*)a;
1435 MonoMethodVar *v2 = (MonoMethodVar*)b;
1439 else if (v1->interval->range && v2->interval->range)
1440 return v1->interval->range->from - v2->interval->range->from;
1441 else if (v1->interval->range)
1450 #define LSCAN_DEBUG(a) do { a; } while (0)
1452 #define LSCAN_DEBUG(a)
1456 mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1458 int i, slot, offset, size;
1463 GList *vars = NULL, *l, *unhandled;
1464 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1467 gboolean reuse_slot;
1469 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1471 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1472 vtype_stack_slots = NULL;
1475 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1476 for (i = 0; i < cfg->num_varinfo; ++i)
1479 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1480 inst = cfg->varinfo [i];
1481 vmv = MONO_VARINFO (cfg, i);
1483 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1486 vars = g_list_prepend (vars, vmv);
1489 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1494 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1495 MonoMethodVar *current = unhandled->data;
1497 if (current->interval->range) {
1498 g_assert (current->interval->range->from >= i);
1499 i = current->interval->range->from;
1506 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1507 MonoMethodVar *current = unhandled->data;
1510 inst = cfg->varinfo [vmv->idx];
1512 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1513 * pinvoke wrappers when they call functions returning structures */
1514 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1515 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1520 size = mono_type_size (inst->inst_vtype, &ialign);
1523 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1528 if (cfg->disable_reuse_stack_slots)
1531 t = mono_type_get_underlying_type (inst->inst_vtype);
1533 case MONO_TYPE_GENERICINST:
1534 if (!mono_type_generic_inst_is_valuetype (t)) {
1535 slot_info = &scalar_stack_slots [t->type];
1539 case MONO_TYPE_VALUETYPE:
1540 if (!vtype_stack_slots)
1541 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1542 for (i = 0; i < nvtypes; ++i)
1543 if (t->data.klass == vtype_stack_slots [i].vtype)
1546 slot_info = &vtype_stack_slots [i];
1548 g_assert (nvtypes < 256);
1549 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1550 slot_info = &vtype_stack_slots [nvtypes];
1553 if (cfg->disable_reuse_ref_stack_slots)
1560 #if SIZEOF_REGISTER == 4
1566 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1572 case MONO_TYPE_CLASS:
1573 case MONO_TYPE_OBJECT:
1574 case MONO_TYPE_ARRAY:
1575 case MONO_TYPE_SZARRAY:
1576 case MONO_TYPE_STRING:
1577 /* Share non-float stack slots of the same size */
1578 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1579 if (cfg->disable_reuse_ref_stack_slots)
1584 slot_info = &scalar_stack_slots [t->type];
1588 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1592 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1594 if (!current->interval->range) {
1595 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1599 inst->flags |= MONO_INST_IS_DEAD;
1604 pos = current->interval->range->from;
1606 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1607 if (current->interval->range)
1608 LSCAN_DEBUG (mono_linterval_print (current->interval));
1609 LSCAN_DEBUG (printf ("\n"));
1611 /* Check for intervals in active which expired or inactive */
1613 /* FIXME: Optimize this */
1616 for (l = slot_info->active; l != NULL; l = l->next) {
1617 MonoMethodVar *v = (MonoMethodVar*)l->data;
1619 if (v->interval->last_range->to < pos) {
1620 slot_info->active = g_list_delete_link (slot_info->active, l);
1621 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1622 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1626 else if (!mono_linterval_covers (v->interval, pos)) {
1627 slot_info->inactive = g_list_append (slot_info->inactive, v);
1628 slot_info->active = g_list_delete_link (slot_info->active, l);
1629 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1636 /* Check for intervals in inactive which expired or active */
1638 /* FIXME: Optimize this */
1641 for (l = slot_info->inactive; l != NULL; l = l->next) {
1642 MonoMethodVar *v = (MonoMethodVar*)l->data;
1644 if (v->interval->last_range->to < pos) {
1645 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1646 // FIXME: Enabling this seems to cause impossible to debug crashes
1647 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1648 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1652 else if (mono_linterval_covers (v->interval, pos)) {
1653 slot_info->active = g_list_append (slot_info->active, v);
1654 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1655 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1663 * This also handles the case when the variable is used in an
1664 * exception region, as liveness info is not computed there.
1667 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1670 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1671 if (slot_info->slots) {
1672 slot = GPOINTER_TO_INT (slot_info->slots->data);
1674 slot_info->slots = slot_info->slots->next;
1677 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1679 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1685 static int count = 0;
1688 if (count == atoi (getenv ("COUNT3")))
1689 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1690 if (count > atoi (getenv ("COUNT3")))
1693 mono_print_ins (inst);
1698 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1703 if (slot == 0xffffff) {
1705 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1706 * efficient copying (and to work around the fact that OP_MEMCPY
1707 * and OP_MEMSET ignores alignment).
1709 if (MONO_TYPE_ISSTRUCT (t)) {
1710 align = MAX (align, sizeof (gpointer));
1711 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1716 offset += align - 1;
1717 offset &= ~(align - 1);
1721 offset += align - 1;
1722 offset &= ~(align - 1);
1727 if (*stack_align == 0)
1728 *stack_align = align;
1731 offsets [vmv->idx] = slot;
1734 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1735 if (scalar_stack_slots [i].active)
1736 g_list_free (scalar_stack_slots [i].active);
1738 for (i = 0; i < nvtypes; ++i) {
1739 if (vtype_stack_slots [i].active)
1740 g_list_free (vtype_stack_slots [i].active);
1743 mono_jit_stats.locals_stack_size += offset;
1745 *stack_size = offset;
1750 * mono_allocate_stack_slots_full:
1752 * Allocate stack slots for all non register allocated variables using a
1753 * linear scan algorithm.
1754 * Returns: an array of stack offsets.
1755 * STACK_SIZE is set to the amount of stack space needed.
1756 * STACK_ALIGN is set to the alignment needed by the locals area.
1759 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1761 int i, slot, offset, size;
1766 GList *vars = NULL, *l;
1767 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1770 gboolean reuse_slot;
1772 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1773 return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
1775 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1776 vtype_stack_slots = NULL;
1779 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1780 for (i = 0; i < cfg->num_varinfo; ++i)
1783 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1784 inst = cfg->varinfo [i];
1785 vmv = MONO_VARINFO (cfg, i);
1787 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1790 vars = g_list_prepend (vars, vmv);
1793 vars = mono_varlist_sort (cfg, vars, 0);
1795 *stack_align = sizeof (gpointer);
1796 for (l = vars; l; l = l->next) {
1798 inst = cfg->varinfo [vmv->idx];
1800 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1801 * pinvoke wrappers when they call functions returning structures */
1802 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1803 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1807 size = mono_type_size (inst->inst_vtype, &ialign);
1810 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1815 if (cfg->disable_reuse_stack_slots)
1818 t = mono_type_get_underlying_type (inst->inst_vtype);
1820 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1823 case MONO_TYPE_GENERICINST:
1824 if (!mono_type_generic_inst_is_valuetype (t)) {
1825 slot_info = &scalar_stack_slots [t->type];
1829 case MONO_TYPE_VALUETYPE:
1830 if (!vtype_stack_slots)
1831 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1832 for (i = 0; i < nvtypes; ++i)
1833 if (t->data.klass == vtype_stack_slots [i].vtype)
1836 slot_info = &vtype_stack_slots [i];
1838 g_assert (nvtypes < 256);
1839 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1840 slot_info = &vtype_stack_slots [nvtypes];
1843 if (cfg->disable_reuse_ref_stack_slots)
1850 #if SIZEOF_REGISTER == 4
1856 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1862 case MONO_TYPE_CLASS:
1863 case MONO_TYPE_OBJECT:
1864 case MONO_TYPE_ARRAY:
1865 case MONO_TYPE_SZARRAY:
1866 case MONO_TYPE_STRING:
1867 /* Share non-float stack slots of the same size */
1868 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1869 if (cfg->disable_reuse_ref_stack_slots)
1874 slot_info = &scalar_stack_slots [t->type];
1879 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1880 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1882 /* expire old intervals in active */
1883 while (slot_info->active) {
1884 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
1886 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
1889 //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);
1891 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
1892 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
1896 * This also handles the case when the variable is used in an
1897 * exception region, as liveness info is not computed there.
1900 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1903 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1904 if (slot_info->slots) {
1905 slot = GPOINTER_TO_INT (slot_info->slots->data);
1907 slot_info->slots = slot_info->slots->next;
1910 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1915 static int count = 0;
1919 if (count == atoi (getenv ("COUNT")))
1920 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1921 if (count > atoi (getenv ("COUNT")))
1924 mono_print_ins (inst);
1932 if (slot == 0xffffff) {
1934 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1935 * efficient copying (and to work around the fact that OP_MEMCPY
1936 * and OP_MEMSET ignores alignment).
1938 if (MONO_TYPE_ISSTRUCT (t)) {
1939 align = MAX (align, sizeof (gpointer));
1940 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1942 * Align the size too so the code generated for passing vtypes in
1943 * registers doesn't overwrite random locals.
1945 size = (size + (align - 1)) & ~(align -1);
1950 offset += align - 1;
1951 offset &= ~(align - 1);
1955 offset += align - 1;
1956 offset &= ~(align - 1);
1961 *stack_align = MAX (*stack_align, align);
1964 offsets [vmv->idx] = slot;
1967 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1968 if (scalar_stack_slots [i].active)
1969 g_list_free (scalar_stack_slots [i].active);
1971 for (i = 0; i < nvtypes; ++i) {
1972 if (vtype_stack_slots [i].active)
1973 g_list_free (vtype_stack_slots [i].active);
1976 mono_jit_stats.locals_stack_size += offset;
1978 *stack_size = offset;
1985 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1987 g_assert_not_reached ();
1991 #endif /* DISABLE_JIT */
1994 mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align)
1996 return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align);
1999 #define EMUL_HIT_SHIFT 3
2000 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2001 /* small hit bitmap cache */
2002 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2003 static short emul_opcode_num = 0;
2004 static short emul_opcode_alloced = 0;
2005 static short *emul_opcode_opcodes = NULL;
2006 static MonoJitICallInfo **emul_opcode_map = NULL;
2009 mono_find_jit_opcode_emulation (int opcode)
2011 g_assert (opcode >= 0 && opcode <= OP_LAST);
2012 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2014 for (i = 0; i < emul_opcode_num; ++i) {
2015 if (emul_opcode_opcodes [i] == opcode)
2016 return emul_opcode_map [i];
2023 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
2025 MonoJitICallInfo *info;
2026 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2028 g_assert (!sig->hasthis);
2029 g_assert (sig->param_count < 3);
2031 info = mono_register_jit_icall (func, name, sig, no_throw);
2033 if (emul_opcode_num >= emul_opcode_alloced) {
2034 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2035 emul_opcode_alloced += incr;
2036 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2037 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2039 emul_opcode_map [emul_opcode_num] = info;
2040 emul_opcode_opcodes [emul_opcode_num] = opcode;
2042 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2046 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2048 MonoMethodSignature *sig;
2051 sig = mono_create_icall_signature (sigstr);
2055 mono_register_jit_icall (func, name, sig, save);
2059 print_dfn (MonoCompile *cfg) {
2065 g_print ("IR code for method %s\n", mono_method_full_name (cfg->method, TRUE));
2067 for (i = 0; i < cfg->num_bblocks; ++i) {
2068 bb = cfg->bblocks [i];
2069 /*if (bb->cil_code) {
2070 char* code1, *code2;
2071 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2072 if (bb->last_ins->cil_code)
2073 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2075 code2 = g_strdup ("");
2077 code1 [strlen (code1) - 1] = 0;
2078 code = g_strdup_printf ("%s -> %s", code1, code2);
2082 code = g_strdup ("\n");
2083 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2084 MONO_BB_FOR_EACH_INS (bb, c) {
2085 mono_print_ins_index (-1, c);
2088 g_print ("\tprev:");
2089 for (j = 0; j < bb->in_count; ++j) {
2090 g_print (" BB%d", bb->in_bb [j]->block_num);
2092 g_print ("\t\tsucc:");
2093 for (j = 0; j < bb->out_count; ++j) {
2094 g_print (" BB%d", bb->out_bb [j]->block_num);
2096 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2099 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2102 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2104 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2112 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2114 MONO_ADD_INS (bb, inst);
2118 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2122 bb->code = ins_to_insert;
2124 /* Link with next */
2125 ins_to_insert->next = ins;
2127 ins->prev = ins_to_insert;
2129 if (bb->last_ins == NULL)
2130 bb->last_ins = ins_to_insert;
2132 /* Link with next */
2133 ins_to_insert->next = ins->next;
2135 ins->next->prev = ins_to_insert;
2137 /* Link with previous */
2138 ins->next = ins_to_insert;
2139 ins_to_insert->prev = ins;
2141 if (bb->last_ins == ins)
2142 bb->last_ins = ins_to_insert;
2147 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2151 bb->code = ins_to_insert;
2152 ins_to_insert->next = ins;
2153 if (bb->last_ins == NULL)
2154 bb->last_ins = ins_to_insert;
2156 /* Link with previous */
2158 ins->prev->next = ins_to_insert;
2159 ins_to_insert->prev = ins->prev;
2161 /* Link with next */
2162 ins->prev = ins_to_insert;
2163 ins_to_insert->next = ins;
2165 if (bb->code == ins)
2166 bb->code = ins_to_insert;
2171 * mono_verify_bblock:
2173 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2176 mono_verify_bblock (MonoBasicBlock *bb)
2178 MonoInst *ins, *prev;
2181 for (ins = bb->code; ins; ins = ins->next) {
2182 g_assert (ins->prev == prev);
2186 g_assert (!bb->last_ins->next);
2192 * Perform consistency checks on the JIT data structures and the IR
2195 mono_verify_cfg (MonoCompile *cfg)
2199 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2200 mono_verify_bblock (bb);
2204 mono_destroy_compile (MonoCompile *cfg)
2209 mono_metadata_free_mh (cfg->header);
2210 //mono_mempool_stats (cfg->mempool);
2211 mono_free_loop_info (cfg);
2213 mono_regstate_free (cfg->rs);
2215 g_hash_table_destroy (cfg->spvars);
2217 g_hash_table_destroy (cfg->exvars);
2218 for (l = cfg->headers_to_free; l; l = l->next)
2219 mono_metadata_free_mh (l->data);
2220 g_list_free (cfg->ldstr_list);
2221 g_hash_table_destroy (cfg->token_info_hash);
2222 if (cfg->abs_patches)
2223 g_hash_table_destroy (cfg->abs_patches);
2224 mono_mempool_destroy (cfg->mempool);
2226 g_free (cfg->varinfo);
2228 g_free (cfg->exception_message);
2232 #ifdef HAVE_KW_THREAD
2233 static __thread gpointer mono_lmf_addr MONO_TLS_FAST;
2234 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2236 * When this is defined, the current lmf is stored in this tls variable instead of in
2239 static __thread gpointer mono_lmf MONO_TLS_FAST;
2244 mono_get_jit_tls_key (void)
2246 return mono_jit_tls_id;
2250 mono_get_jit_tls_offset (void)
2252 #ifdef HAVE_KW_THREAD
2254 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2262 mono_get_lmf_tls_offset (void)
2264 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2266 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2274 mono_get_lmf_addr_tls_offset (void)
2277 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2284 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2287 MonoJitTlsData *jit_tls;
2289 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2290 return jit_tls->lmf;
2292 g_assert_not_reached ();
2298 mono_get_lmf_addr (void)
2300 #ifdef HAVE_KW_THREAD
2301 return mono_lmf_addr;
2303 MonoJitTlsData *jit_tls;
2305 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2306 return &jit_tls->lmf;
2309 * When resolving the call to mono_jit_thread_attach full-aot will look
2310 * in the plt, which causes a call into the generic trampoline, which in turn
2311 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2312 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2313 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2316 mono_jit_thread_attach (NULL);
2318 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2319 return &jit_tls->lmf;
2321 g_assert_not_reached ();
2327 mono_set_lmf (MonoLMF *lmf)
2329 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2333 (*mono_get_lmf_addr ()) = lmf;
2336 /* Called by native->managed wrappers */
2338 mono_jit_thread_attach (MonoDomain *domain)
2342 * Happens when called from AOTed code which is only used in the root
2345 domain = mono_get_root_domain ();
2347 #ifdef HAVE_KW_THREAD
2348 if (!mono_lmf_addr) {
2349 mono_thread_attach (domain);
2352 if (!TlsGetValue (mono_jit_tls_id))
2353 mono_thread_attach (domain);
2355 if (mono_domain_get () != domain)
2356 mono_domain_set (domain, TRUE);
2360 * mono_thread_abort:
2361 * @obj: exception object
2363 * abort the thread, print exception information and stack trace
2366 mono_thread_abort (MonoObject *obj)
2368 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2370 /* handle_remove should be eventually called for this thread, too
2373 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2374 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2375 mono_thread_exit ();
2377 exit (mono_environment_exitcode_get ());
2382 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2384 MonoJitTlsData *jit_tls;
2387 jit_tls = TlsGetValue (mono_jit_tls_id);
2391 jit_tls = g_new0 (MonoJitTlsData, 1);
2393 TlsSetValue (mono_jit_tls_id, jit_tls);
2395 #ifdef HAVE_KW_THREAD
2396 mono_jit_tls = jit_tls;
2399 jit_tls->abort_func = abort_func;
2400 jit_tls->end_of_stack = stack_start;
2402 lmf = g_new0 (MonoLMF, 1);
2403 #ifdef MONO_ARCH_INIT_TOP_LMF_ENTRY
2404 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2409 jit_tls->first_lmf = lmf;
2411 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2412 /* jit_tls->lmf is unused */
2414 mono_lmf_addr = &mono_lmf;
2416 #if defined(HAVE_KW_THREAD)
2417 mono_lmf_addr = &jit_tls->lmf;
2423 mono_arch_setup_jit_tls_data (jit_tls);
2424 mono_setup_altstack (jit_tls);
2430 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2432 MonoInternalThread *thread;
2433 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2434 thread = mono_thread_internal_current ();
2435 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2437 thread->jit_data = jit_tls;
2440 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2443 mono_thread_abort_dummy (MonoObject *obj)
2445 if (mono_thread_attach_aborted_cb)
2446 mono_thread_attach_aborted_cb (obj);
2448 mono_thread_abort (obj);
2452 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2454 MonoInternalThread *thread;
2455 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2456 thread = mono_thread_internal_current ();
2457 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2459 thread->jit_data = jit_tls;
2460 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2461 mono_runtime_setup_stat_profiler ();
2465 mini_thread_cleanup (MonoThread *thread)
2467 MonoInternalThread *internal = thread->internal_thread;
2468 MonoJitTlsData *jit_tls = internal->jit_data;
2471 mono_debugger_thread_cleanup (jit_tls);
2472 mono_arch_free_jit_tls_data (jit_tls);
2474 mono_free_altstack (jit_tls);
2475 g_free (jit_tls->first_lmf);
2477 internal->jit_data = NULL;
2479 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2480 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2481 * not a trivial thing.
2483 * The current offender is mono_thread_manage which cleanup threads from the outside.
2485 if (internal == mono_thread_internal_current ()) {
2486 TlsSetValue (mono_jit_tls_id, NULL);
2488 #ifdef HAVE_KW_THREAD
2489 mono_jit_tls = NULL;
2490 mono_lmf_addr = NULL;
2491 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2500 mono_create_tls_get (MonoCompile *cfg, int offset)
2502 #ifdef MONO_ARCH_HAVE_TLS_GET
2503 if (MONO_ARCH_HAVE_TLS_GET) {
2509 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2510 ins->dreg = mono_alloc_preg (cfg);
2511 ins->inst_offset = offset;
2519 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2521 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2525 mono_get_domain_intrinsic (MonoCompile* cfg)
2527 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2531 mono_get_thread_intrinsic (MonoCompile* cfg)
2533 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2537 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2539 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2543 ji->data.target = target;
2544 ji->next = cfg->patch_info;
2546 cfg->patch_info = ji;
2550 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2552 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2556 ji->data.target = target;
2563 mono_remove_patch_info (MonoCompile *cfg, int ip)
2565 MonoJumpInfo **ji = &cfg->patch_info;
2568 if ((*ji)->ip.i == ip)
2571 ji = &((*ji)->next);
2576 * mono_patch_info_dup_mp:
2578 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2581 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2583 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2584 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2586 switch (patch_info->type) {
2587 case MONO_PATCH_INFO_RVA:
2588 case MONO_PATCH_INFO_LDSTR:
2589 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2590 case MONO_PATCH_INFO_LDTOKEN:
2591 case MONO_PATCH_INFO_DECLSEC:
2592 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2593 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2595 case MONO_PATCH_INFO_SWITCH:
2596 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2597 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2598 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2599 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2601 case MONO_PATCH_INFO_RGCTX_FETCH:
2602 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2603 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2604 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2614 mono_patch_info_hash (gconstpointer data)
2616 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2619 case MONO_PATCH_INFO_RVA:
2620 case MONO_PATCH_INFO_LDSTR:
2621 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2622 case MONO_PATCH_INFO_LDTOKEN:
2623 case MONO_PATCH_INFO_DECLSEC:
2624 return (ji->type << 8) | ji->data.token->token;
2625 case MONO_PATCH_INFO_INTERNAL_METHOD:
2626 return (ji->type << 8) | g_str_hash (ji->data.name);
2627 case MONO_PATCH_INFO_VTABLE:
2628 case MONO_PATCH_INFO_CLASS:
2629 case MONO_PATCH_INFO_IID:
2630 case MONO_PATCH_INFO_ADJUSTED_IID:
2631 case MONO_PATCH_INFO_CLASS_INIT:
2632 case MONO_PATCH_INFO_METHODCONST:
2633 case MONO_PATCH_INFO_METHOD:
2634 case MONO_PATCH_INFO_METHOD_JUMP:
2635 case MONO_PATCH_INFO_IMAGE:
2636 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2637 case MONO_PATCH_INFO_FIELD:
2638 case MONO_PATCH_INFO_SFLDA:
2639 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2640 return (ji->type << 8) | (gssize)ji->data.target;
2642 return (ji->type << 8);
2647 * mono_patch_info_equal:
2649 * This might fail to recognize equivalent patches, i.e. floats, so its only
2650 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2654 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2656 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2657 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2659 if (ji1->type != ji2->type)
2662 switch (ji1->type) {
2663 case MONO_PATCH_INFO_RVA:
2664 case MONO_PATCH_INFO_LDSTR:
2665 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2666 case MONO_PATCH_INFO_LDTOKEN:
2667 case MONO_PATCH_INFO_DECLSEC:
2668 if ((ji1->data.token->image != ji2->data.token->image) ||
2669 (ji1->data.token->token != ji2->data.token->token) ||
2670 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2671 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2672 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2675 case MONO_PATCH_INFO_INTERNAL_METHOD:
2676 return g_str_equal (ji1->data.name, ji2->data.name);
2678 case MONO_PATCH_INFO_RGCTX_FETCH: {
2679 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2680 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2682 return e1->method == e2->method && e1->in_mrgctx == e2->in_mrgctx && e1->info_type == e2->info_type && mono_patch_info_equal (e1->data, e2->data);
2685 if (ji1->data.target != ji2->data.target)
2694 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2696 unsigned char *ip = patch_info->ip.i + code;
2697 gconstpointer target = NULL;
2699 switch (patch_info->type) {
2700 case MONO_PATCH_INFO_BB:
2702 * FIXME: This could be hit for methods without a prolog. Should use -1
2703 * but too much code depends on a 0 initial value.
2705 //g_assert (patch_info->data.bb->native_offset);
2706 target = patch_info->data.bb->native_offset + code;
2708 case MONO_PATCH_INFO_ABS:
2709 target = patch_info->data.target;
2711 case MONO_PATCH_INFO_LABEL:
2712 target = patch_info->data.inst->inst_c0 + code;
2714 case MONO_PATCH_INFO_IP:
2717 case MONO_PATCH_INFO_METHOD_REL:
2718 target = code + patch_info->data.offset;
2720 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2721 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2723 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2724 g_assert_not_reached ();
2726 target = mono_icall_get_wrapper (mi);
2729 case MONO_PATCH_INFO_METHOD_JUMP:
2730 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2732 case MONO_PATCH_INFO_METHOD:
2733 if (patch_info->data.method == method) {
2736 /* get the trampoline to the method from the domain */
2737 target = mono_create_jit_trampoline (patch_info->data.method);
2740 case MONO_PATCH_INFO_SWITCH: {
2741 gpointer *jump_table;
2744 if (method && method->dynamic) {
2745 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2747 if (mono_aot_only) {
2748 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2750 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2754 for (i = 0; i < patch_info->data.table->table_size; i++)
2755 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2756 target = jump_table;
2759 case MONO_PATCH_INFO_METHODCONST:
2760 case MONO_PATCH_INFO_CLASS:
2761 case MONO_PATCH_INFO_IMAGE:
2762 case MONO_PATCH_INFO_FIELD:
2763 target = patch_info->data.target;
2765 case MONO_PATCH_INFO_IID:
2766 mono_class_init (patch_info->data.klass);
2767 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
2769 case MONO_PATCH_INFO_ADJUSTED_IID:
2770 mono_class_init (patch_info->data.klass);
2771 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
2773 case MONO_PATCH_INFO_VTABLE:
2774 target = mono_class_vtable (domain, patch_info->data.klass);
2777 case MONO_PATCH_INFO_CLASS_INIT: {
2778 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
2781 target = mono_create_class_init_trampoline (vtable);
2784 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
2785 target = mono_create_delegate_trampoline (patch_info->data.klass);
2787 case MONO_PATCH_INFO_SFLDA: {
2788 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
2790 if (mono_class_field_is_special_static (patch_info->data.field)) {
2791 gpointer addr = NULL;
2793 mono_domain_lock (domain);
2794 if (domain->special_static_fields)
2795 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
2796 mono_domain_unlock (domain);
2802 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
2803 /* Done by the generated code */
2807 mono_runtime_class_init (vtable);
2809 target = (char*)vtable->data + patch_info->data.field->offset;
2812 case MONO_PATCH_INFO_RVA: {
2813 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
2816 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
2817 target = mono_image_rva_map (patch_info->data.token->image, rva);
2820 case MONO_PATCH_INFO_R4:
2821 case MONO_PATCH_INFO_R8:
2822 target = patch_info->data.target;
2824 case MONO_PATCH_INFO_EXC_NAME:
2825 target = patch_info->data.name;
2827 case MONO_PATCH_INFO_LDSTR:
2829 mono_ldstr (domain, patch_info->data.token->image,
2830 mono_metadata_token_index (patch_info->data.token->token));
2832 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
2834 MonoClass *handle_class;
2836 handle = mono_ldtoken (patch_info->data.token->image,
2837 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
2838 mono_class_init (handle_class);
2839 mono_class_init (mono_class_from_mono_type (handle));
2842 mono_type_get_object (domain, handle);
2845 case MONO_PATCH_INFO_LDTOKEN: {
2847 MonoClass *handle_class;
2849 handle = mono_ldtoken (patch_info->data.token->image,
2850 patch_info->data.token->token, &handle_class, NULL);
2851 mono_class_init (handle_class);
2856 case MONO_PATCH_INFO_DECLSEC:
2857 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
2859 case MONO_PATCH_INFO_ICALL_ADDR:
2860 /* run_cctors == 0 -> AOT */
2861 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
2863 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
2865 g_error ("Unable to resolve pinvoke method '%s' Re-run with MONO_LOG_LEVEL=debug for more information.\n", mono_method_full_name (patch_info->data.method, TRUE));
2870 target = mono_lookup_internal_call (patch_info->data.method);
2872 if (!target && run_cctors)
2873 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
2876 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
2877 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2879 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
2880 g_assert_not_reached ();
2885 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
2886 target = mono_thread_interruption_request_flag ();
2888 case MONO_PATCH_INFO_METHOD_RGCTX: {
2889 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
2892 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
2895 case MONO_PATCH_INFO_BB_OVF:
2896 case MONO_PATCH_INFO_EXC_OVF:
2897 case MONO_PATCH_INFO_GOT_OFFSET:
2898 case MONO_PATCH_INFO_NONE:
2900 case MONO_PATCH_INFO_RGCTX_FETCH: {
2901 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
2904 switch (entry->data->type) {
2905 case MONO_PATCH_INFO_CLASS:
2906 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));
2908 case MONO_PATCH_INFO_METHOD:
2909 case MONO_PATCH_INFO_METHODCONST:
2910 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));
2912 case MONO_PATCH_INFO_FIELD:
2913 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));
2916 g_assert_not_reached ();
2920 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
2923 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
2924 target = mono_create_generic_class_init_trampoline ();
2926 case MONO_PATCH_INFO_MONITOR_ENTER:
2927 target = mono_create_monitor_enter_trampoline ();
2929 case MONO_PATCH_INFO_MONITOR_EXIT:
2930 target = mono_create_monitor_exit_trampoline ();
2932 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
2933 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2935 /* AOT, not needed */
2938 target = mono_arch_get_seq_point_info (domain, code);
2941 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
2942 #ifdef MONO_ARCH_LLVM_SUPPORTED
2943 g_assert (mono_use_llvm);
2944 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
2946 g_assert_not_reached ();
2950 g_assert_not_reached ();
2953 return (gpointer)target;
2957 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
2959 ins->inst_offset = native_offset;
2960 g_ptr_array_add (cfg->seq_points, ins);
2961 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
2962 bb->last_seq_point = ins;
2968 mono_compile_create_vars (MonoCompile *cfg)
2970 MonoMethodSignature *sig;
2971 MonoMethodHeader *header;
2974 header = cfg->header;
2976 sig = mono_method_signature (cfg->method);
2978 if (!MONO_TYPE_IS_VOID (sig->ret)) {
2979 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
2980 /* Inhibit optimizations */
2981 cfg->ret->flags |= MONO_INST_VOLATILE;
2983 if (cfg->verbose_level > 2)
2984 g_print ("creating vars\n");
2986 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
2989 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
2991 for (i = 0; i < sig->param_count; ++i) {
2992 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
2995 if (cfg->verbose_level > 2) {
2997 printf ("\treturn : ");
2998 mono_print_ins (cfg->ret);
3002 printf ("\tthis: ");
3003 mono_print_ins (cfg->args [0]);
3006 for (i = 0; i < sig->param_count; ++i) {
3007 printf ("\targ [%d]: ", i);
3008 mono_print_ins (cfg->args [i + sig->hasthis]);
3012 cfg->locals_start = cfg->num_varinfo;
3013 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3015 if (cfg->verbose_level > 2)
3016 g_print ("creating locals\n");
3018 for (i = 0; i < header->num_locals; ++i)
3019 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3021 if (cfg->verbose_level > 2)
3022 g_print ("locals done\n");
3024 mono_arch_create_vars (cfg);
3027 #endif /* #ifndef DISABLE_JIT */
3030 mono_print_code (MonoCompile *cfg, const char* msg)
3034 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3035 mono_print_bb (bb, msg);
3041 mono_postprocess_patches (MonoCompile *cfg)
3043 MonoJumpInfo *patch_info;
3046 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3047 switch (patch_info->type) {
3048 case MONO_PATCH_INFO_ABS: {
3049 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3052 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3056 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3057 // FIXME: CLEAN UP THIS MESS.
3058 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
3059 strstr (cfg->method->name, info->name)) {
3061 * This is an icall wrapper, and this is a call to the
3064 if (cfg->compile_aot) {
3065 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
3066 patch_info->data.name = info->name;
3069 /* for these array methods we currently register the same function pointer
3070 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3071 * will return the incorrect one depending on the order they are registered.
3072 * See tests/test-arr.cs
3074 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3075 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3076 patch_info->data.name = info->name;
3081 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3082 if (cfg->abs_patches) {
3083 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3085 patch_info->type = abs_ji->type;
3086 patch_info->data.target = abs_ji->data.target;
3093 case MONO_PATCH_INFO_SWITCH: {
3095 if (cfg->method->dynamic) {
3096 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3098 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3101 for (i = 0; i < patch_info->data.table->table_size; i++) {
3102 /* Might be NULL if the switch is eliminated */
3103 if (patch_info->data.table->table [i]) {
3104 g_assert (patch_info->data.table->table [i]->native_offset);
3105 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3110 patch_info->data.table->table = (MonoBasicBlock**)table;
3113 case MONO_PATCH_INFO_METHOD_JUMP: {
3115 MonoDomain *domain = cfg->domain;
3116 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3118 mono_domain_lock (domain);
3119 if (!domain_jit_info (domain)->jump_target_hash)
3120 domain_jit_info (domain)->jump_target_hash = g_hash_table_new (NULL, NULL);
3121 list = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3122 list = g_slist_prepend (list, ip);
3123 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, list);
3124 mono_domain_unlock (domain);
3135 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3138 MonoBasicBlock *in_bb;
3140 for (i = 0; i < bb->in_count; ++i) {
3141 in_bb = bb->in_bb [i];
3143 if (in_bb->last_seq_point) {
3144 next [in_bb->last_seq_point->backend.size] = g_slist_append (next [in_bb->last_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3146 /* Have to look at its predecessors */
3148 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3154 mono_save_seq_point_info (MonoCompile *cfg)
3157 GSList *bb_seq_points, *l;
3159 MonoDomain *domain = cfg->domain;
3161 MonoSeqPointInfo *info;
3164 if (!cfg->seq_points)
3167 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3168 info->len = cfg->seq_points->len;
3169 for (i = 0; i < cfg->seq_points->len; ++i) {
3170 SeqPoint *sp = &info->seq_points [i];
3171 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3173 sp->il_offset = ins->inst_imm;
3174 sp->native_offset = ins->inst_offset;
3177 ins->backend.size = i;
3181 * For each sequence point, compute the list of sequence points immediately
3182 * following it, this is needed to implement 'step over' in the debugger agent.
3184 next = g_new0 (GSList*, cfg->seq_points->len);
3185 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3186 bb_seq_points = g_slist_reverse (bb->seq_points);
3188 for (l = bb_seq_points; l; l = l->next) {
3189 MonoInst *ins = l->data;
3191 if (!(ins->flags & MONO_INST_SINGLE_STEP_LOC))
3195 /* Link with the previous seq point in the same bb */
3196 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3198 /* Link with the last bb in the previous bblocks */
3199 collect_pred_seq_points (bb, ins, next, 0);
3206 if (cfg->verbose_level > 2) {
3207 printf ("\nSEQ POINT MAP: \n");
3210 for (i = 0; i < cfg->seq_points->len; ++i) {
3211 SeqPoint *sp = &info->seq_points [i];
3215 sp->next_len = g_slist_length (next [i]);
3216 sp->next = g_new (int, sp->next_len);
3218 if (cfg->verbose_level > 2 && next [i]) {
3219 printf ("\t0x%x ->", sp->il_offset);
3220 for (l = next [i]; l; l = l->next) {
3221 next_index = GPOINTER_TO_UINT (l->data);
3222 printf (" 0x%x", info->seq_points [next_index].il_offset);
3226 for (l = next [i]; l; l = l->next) {
3227 next_index = GPOINTER_TO_UINT (l->data);
3228 sp->next [j ++] = next_index;
3230 g_slist_free (next [i]);
3234 cfg->seq_point_info = info;
3236 // FIXME: dynamic methods
3237 mono_domain_lock (domain);
3238 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3239 mono_domain_unlock (domain);
3241 g_ptr_array_free (cfg->seq_points, TRUE);
3242 cfg->seq_points = NULL;
3246 mono_codegen (MonoCompile *cfg)
3249 int max_epilog_size;
3252 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3253 cfg->spill_count = 0;
3254 /* we reuse dfn here */
3255 /* bb->dfn = bb_count++; */
3257 mono_arch_lowering_pass (cfg, bb);
3259 if (cfg->opt & MONO_OPT_PEEPHOLE)
3260 mono_arch_peephole_pass_1 (cfg, bb);
3263 mono_local_regalloc (cfg, bb);
3265 if (cfg->opt & MONO_OPT_PEEPHOLE)
3266 mono_arch_peephole_pass_2 (cfg, bb);
3269 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3270 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3272 code = mono_arch_emit_prolog (cfg);
3274 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3275 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3277 cfg->code_len = code - cfg->native_code;
3278 cfg->prolog_end = cfg->code_len;
3280 mono_debug_open_method (cfg);
3282 /* emit code all basic blocks */
3283 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3284 bb->native_offset = cfg->code_len;
3285 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3286 mono_arch_output_basic_block (cfg, bb);
3287 bb->native_length = cfg->code_len - bb->native_offset;
3289 if (bb == cfg->bb_exit) {
3290 cfg->epilog_begin = cfg->code_len;
3292 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3293 code = cfg->native_code + cfg->code_len;
3294 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3295 cfg->code_len = code - cfg->native_code;
3296 g_assert (cfg->code_len < cfg->code_size);
3299 mono_arch_emit_epilog (cfg);
3303 mono_arch_emit_exceptions (cfg);
3305 max_epilog_size = 0;
3307 code = cfg->native_code + cfg->code_len;
3309 /* we always allocate code in cfg->domain->code_mp to increase locality */
3310 cfg->code_size = cfg->code_len + max_epilog_size;
3311 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3313 if (cfg->method->dynamic) {
3314 guint unwindlen = 0;
3315 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3316 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3318 /* Allocate the code into a separate memory pool so it can be freed */
3319 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3320 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3321 mono_domain_lock (cfg->domain);
3322 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3323 mono_domain_unlock (cfg->domain);
3325 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3327 guint unwindlen = 0;
3328 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3329 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3331 code = mono_domain_code_reserve (cfg->domain, cfg->code_size + unwindlen);
3334 memcpy (code, cfg->native_code, cfg->code_len);
3335 g_free (cfg->native_code);
3336 cfg->native_code = code;
3337 code = cfg->native_code + cfg->code_len;
3339 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3340 mono_postprocess_patches (cfg);
3342 #ifdef VALGRIND_JIT_REGISTER_MAP
3343 if (valgrind_register){
3344 char* nm = mono_method_full_name (cfg->method, TRUE);
3345 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3350 if (cfg->verbose_level > 0) {
3351 char* nm = mono_method_full_name (cfg->method, TRUE);
3352 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3354 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3359 gboolean is_generic = FALSE;
3361 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3362 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3366 if (cfg->generic_sharing_context)
3367 g_assert (is_generic);
3370 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3371 mono_arch_save_unwind_info (cfg);
3374 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->run_cctors);
3376 if (cfg->method->dynamic) {
3377 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3379 mono_domain_code_commit (cfg->domain, cfg->native_code, cfg->code_size, cfg->code_len);
3381 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3383 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3385 mono_debug_close_method (cfg);
3387 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3388 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3393 compute_reachable (MonoBasicBlock *bb)
3397 if (!(bb->flags & BB_VISITED)) {
3398 bb->flags |= BB_VISITED;
3399 for (i = 0; i < bb->out_count; ++i)
3400 compute_reachable (bb->out_bb [i]);
3405 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3408 MonoMethodHeader *header;
3411 int generic_info_size;
3412 int holes_size = 0, num_holes = 0;
3414 g_assert (method_to_compile == cfg->method);
3415 header = cfg->header;
3417 if (cfg->generic_sharing_context)
3418 generic_info_size = sizeof (MonoGenericJitInfo);
3420 generic_info_size = 0;
3422 if (cfg->try_block_holes) {
3423 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3424 TryBlockHole *hole = tmp->data;
3425 MonoExceptionClause *ec = hole->clause;
3426 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
3427 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3428 g_assert (clause_last_bb);
3430 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3431 if (clause_last_bb->native_offset != hole_end)
3435 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
3436 if (G_UNLIKELY (cfg->verbose_level >= 4))
3437 printf ("Number of try block holes %d\n", num_holes);
3440 if (COMPILE_LLVM (cfg))
3441 num_clauses = cfg->llvm_ex_info_len;
3443 num_clauses = header->num_clauses;
3445 if (cfg->method->dynamic) {
3446 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
3447 generic_info_size + holes_size);
3449 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3450 (num_clauses * sizeof (MonoJitExceptionInfo)) +
3451 generic_info_size + holes_size);
3454 jinfo->method = cfg->method_to_register;
3455 jinfo->code_start = cfg->native_code;
3456 jinfo->code_size = cfg->code_len;
3457 jinfo->used_regs = cfg->used_int_regs;
3458 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3459 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3460 jinfo->num_clauses = num_clauses;
3461 if (COMPILE_LLVM (cfg))
3462 jinfo->from_llvm = TRUE;
3464 if (cfg->generic_sharing_context) {
3466 MonoGenericJitInfo *gi;
3468 jinfo->has_generic_jit_info = 1;
3470 gi = mono_jit_info_get_generic_jit_info (jinfo);
3473 gi->generic_sharing_context = cfg->generic_sharing_context;
3475 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3476 mini_method_get_context (method_to_compile)->method_inst ||
3477 method_to_compile->klass->valuetype) {
3478 g_assert (cfg->rgctx_var);
3483 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3484 mini_method_get_context (method_to_compile)->method_inst ||
3485 method_to_compile->klass->valuetype) {
3486 inst = cfg->rgctx_var;
3487 if (!COMPILE_LLVM (cfg))
3488 g_assert (inst->opcode == OP_REGOFFSET);
3490 inst = cfg->args [0];
3493 if (COMPILE_LLVM (cfg)) {
3494 g_assert (cfg->llvm_this_reg != -1);
3495 gi->this_in_reg = 0;
3496 gi->this_reg = cfg->llvm_this_reg;
3497 gi->this_offset = cfg->llvm_this_offset;
3498 } else if (inst->opcode == OP_REGVAR) {
3499 gi->this_in_reg = 1;
3500 gi->this_reg = inst->dreg;
3502 g_assert (inst->opcode == OP_REGOFFSET);
3504 g_assert (inst->inst_basereg == X86_EBP);
3505 #elif defined(TARGET_AMD64)
3506 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3508 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3510 gi->this_in_reg = 0;
3511 gi->this_reg = inst->inst_basereg;
3512 gi->this_offset = inst->inst_offset;
3517 MonoTryBlockHoleTableJitInfo *table;
3520 jinfo->has_try_block_holes = 1;
3521 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
3522 table->num_holes = (guint16)num_holes;
3524 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3525 guint32 start_bb_offset;
3526 MonoTryBlockHoleJitInfo *hole;
3527 TryBlockHole *hole_data = tmp->data;
3528 MonoExceptionClause *ec = hole_data->clause;
3529 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
3530 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3531 g_assert (clause_last_bb);
3533 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3534 if (clause_last_bb->native_offset == hole_end)
3537 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
3538 hole = &table->holes [i++];
3539 hole->clause = hole_data->clause - &header->clauses [0];
3540 hole->offset = (guint32)hole_data->start_offset;
3541 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
3543 if (G_UNLIKELY (cfg->verbose_level >= 4))
3544 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
3546 g_assert (i == num_holes);
3549 if (COMPILE_LLVM (cfg)) {
3551 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
3552 } else if (header->num_clauses) {
3555 for (i = 0; i < header->num_clauses; i++) {
3556 MonoExceptionClause *ec = &header->clauses [i];
3557 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3558 MonoBasicBlock *tblock;
3561 ei->flags = ec->flags;
3563 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3564 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3566 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3567 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3569 ei->data.filter = cfg->native_code + tblock->native_offset;
3571 ei->data.catch_class = ec->data.catch_class;
3574 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3576 ei->try_start = cfg->native_code + tblock->native_offset;
3577 g_assert (tblock->native_offset);
3578 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3580 ei->try_end = cfg->native_code + tblock->native_offset;
3581 g_assert (tblock->native_offset);
3582 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3584 ei->handler_start = cfg->native_code + tblock->native_offset;
3586 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3587 TryBlockHole *hole = tmp->data;
3588 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
3589 if (hole->clause == ec && hole_end == ei->try_end) {
3590 if (G_UNLIKELY (cfg->verbose_level >= 4))
3591 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
3593 ei->try_end = cfg->native_code + hole->start_offset;
3598 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
3600 if (ec->handler_offset + ec->handler_len < header->code_size) {
3601 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
3603 end_offset = tblock->native_offset;
3605 end_offset = cfg->epilog_begin;
3607 ei->data.handler_end = cfg->native_code + end_offset;
3612 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
3614 for (i = 0; i < jinfo->num_clauses; i++) {
3615 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3616 int start = (guint8*)ei->try_start - cfg->native_code;
3617 int end = (guint8*)ei->try_end - cfg->native_code;
3618 int handler = (guint8*)ei->handler_start - cfg->native_code;
3620 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
3625 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
3626 * using it during runtime, hence the define.
3628 #ifdef MONO_ARCH_HAVE_XP_UNWIND
3629 if (cfg->encoded_unwind_ops) {
3630 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
3631 g_free (cfg->encoded_unwind_ops);
3632 } else if (cfg->unwind_ops) {
3634 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
3636 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
3637 g_free (unwind_info);
3646 * mini_get_shared_method:
3648 * Return the method which is actually compiled/registered when doing generic sharing.
3651 mini_get_shared_method (MonoMethod *method)
3653 MonoGenericContext shared_context;
3654 MonoMethod *declaring_method, *res;
3656 gboolean partial = FALSE;
3658 if (method->is_generic || method->klass->generic_container)
3659 declaring_method = method;
3661 declaring_method = mono_method_get_declaring_generic_method (method);
3663 if (declaring_method->is_generic)
3664 shared_context = mono_method_get_generic_container (declaring_method)->context;
3666 shared_context = declaring_method->klass->generic_container->context;
3668 /* Handle partial sharing */
3669 if (method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE)) {
3670 MonoGenericContext *context = mono_method_get_context (method);
3671 MonoGenericInst *inst;
3672 MonoType **type_argv;
3675 * Create the shared context by replacing the ref type arguments with
3676 * type parameters, and keeping the rest.
3679 inst = context->class_inst;
3681 type_argv = g_new0 (MonoType*, inst->type_argc);
3682 for (i = 0; i < inst->type_argc; ++i) {
3683 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
3684 type_argv [i] = shared_context.class_inst->type_argv [i];
3686 type_argv [i] = inst->type_argv [i];
3689 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
3693 inst = context->method_inst;
3695 type_argv = g_new0 (MonoType*, inst->type_argc);
3696 for (i = 0; i < inst->type_argc; ++i) {
3697 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
3698 type_argv [i] = shared_context.method_inst->type_argv [i];
3700 type_argv [i] = inst->type_argv [i];
3703 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
3708 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
3710 /* The result should be an inflated method whose parent is not inflated */
3711 g_assert (!res->klass->is_inflated);
3718 * mini_method_compile:
3719 * @method: the method to compile
3720 * @opts: the optimization flags to use
3721 * @domain: the domain where the method will be compiled in
3722 * @run_cctors: whether we should run type ctors if possible
3723 * @compile_aot: whether this is an AOT compilation
3724 * @parts: debug flag
3726 * Returns: a MonoCompile* pointer. Caller must check the exception_type
3727 * field in the returned struct to see if compilation succeded.
3730 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
3732 MonoMethodHeader *header;
3733 MonoMethodSignature *sig;
3737 int dfn, i, code_size_ratio;
3738 gboolean deadce_has_run = FALSE;
3739 gboolean try_generic_shared, try_llvm;
3740 MonoMethod *method_to_compile, *method_to_register;
3742 mono_jit_stats.methods_compiled++;
3743 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
3744 mono_profiler_method_jit (method);
3745 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
3746 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
3750 * We might get passed the original generic method definition or
3751 * instances with type parameters.
3752 * FIXME: Remove the method->klass->generic_class limitation.
3754 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3755 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl (method, TRUE)));
3757 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3758 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
3760 if (opts & MONO_OPT_GSHARED) {
3761 if (try_generic_shared)
3762 mono_stats.generics_sharable_methods++;
3763 else if (mono_method_is_generic_impl (method))
3764 mono_stats.generics_unsharable_methods++;
3774 if (try_generic_shared) {
3775 method_to_compile = mini_get_shared_method (method);
3776 g_assert (method_to_compile);
3778 method_to_compile = method;
3781 cfg = g_new0 (MonoCompile, 1);
3782 cfg->method = method_to_compile;
3783 cfg->header = mono_method_get_header (cfg->method);
3784 cfg->mempool = mono_mempool_new ();
3786 cfg->prof_options = mono_profiler_get_events ();
3787 cfg->run_cctors = run_cctors;
3788 cfg->domain = domain;
3789 cfg->verbose_level = mini_verbose;
3790 cfg->compile_aot = compile_aot;
3791 cfg->skip_visibility = method->skip_visibility;
3792 cfg->orig_method = method;
3793 cfg->gen_seq_points = debug_options.gen_seq_points;
3794 cfg->explicit_null_checks = debug_options.explicit_null_checks;
3795 if (try_generic_shared)
3796 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
3797 cfg->compile_llvm = try_llvm;
3798 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
3800 if (cfg->gen_seq_points)
3801 cfg->seq_points = g_ptr_array_new ();
3803 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
3804 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
3808 if (cfg->generic_sharing_context) {
3809 method_to_register = method_to_compile;
3811 g_assert (method == method_to_compile);
3812 method_to_register = method;
3814 cfg->method_to_register = method_to_register;
3816 mono_error_init (&err);
3817 sig = mono_method_signature_checked (cfg->method, &err);
3819 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
3820 cfg->exception_message = g_strdup (mono_error_get_message (&err));
3821 mono_error_cleanup (&err);
3822 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3823 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3827 header = cfg->header;
3829 MonoLoaderError *error;
3831 if ((error = mono_loader_get_last_error ())) {
3832 cfg->exception_type = error->exception_type;
3834 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
3835 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
3837 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3838 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3844 static gboolean inited;
3847 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_with_llvm);
3848 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_without_llvm);
3853 * Check for methods which cannot be compiled by LLVM early, to avoid
3854 * the extra compilation pass.
3856 if (COMPILE_LLVM (cfg)) {
3857 mono_llvm_check_method_supported (cfg);
3858 if (cfg->disable_llvm) {
3859 if (cfg->verbose_level >= 1) {
3860 //nm = mono_method_full_name (cfg->method, TRUE);
3861 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
3864 InterlockedIncrement (&methods_without_llvm);
3865 mono_destroy_compile (cfg);
3867 goto restart_compile;
3873 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
3874 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
3875 cfg->disable_reuse_registers = TRUE;
3876 cfg->disable_reuse_stack_slots = TRUE;
3878 * This decreases the change the debugger will read registers/stack slots which are
3879 * not yet initialized.
3881 cfg->disable_initlocals_opt = TRUE;
3883 cfg->extend_live_ranges = TRUE;
3885 /* Temporarily disable this when running in the debugger until we have support
3886 * for this in the debugger. */
3887 cfg->disable_omit_fp = TRUE;
3889 /* The debugger needs all locals to be on the stack or in a global register */
3890 cfg->disable_vreg_to_lvreg = TRUE;
3892 /* Don't remove unused variables when running inside the debugger since the user
3893 * may still want to view them. */
3894 cfg->disable_deadce_vars = TRUE;
3896 // cfg->opt |= MONO_OPT_SHARED;
3897 cfg->opt &= ~MONO_OPT_DEADCE;
3898 cfg->opt &= ~MONO_OPT_INLINE;
3899 cfg->opt &= ~MONO_OPT_COPYPROP;
3900 cfg->opt &= ~MONO_OPT_CONSPROP;
3901 cfg->opt &= ~MONO_OPT_GSHARED;
3903 /* This is needed for the soft debugger, which doesn't like code after the epilog */
3904 cfg->disable_out_of_line_bblocks = TRUE;
3907 if (mono_using_xdebug) {
3909 * Make each variable use its own register/stack slot and extend
3910 * their liveness to cover the whole method, making them displayable
3911 * in gdb even after they are dead.
3913 cfg->disable_reuse_registers = TRUE;
3914 cfg->disable_reuse_stack_slots = TRUE;
3915 cfg->extend_live_ranges = TRUE;
3916 cfg->compute_precise_live_ranges = TRUE;
3919 mini_gc_init_gc_map (cfg);
3921 if (COMPILE_LLVM (cfg)) {
3922 cfg->opt |= MONO_OPT_ABCREM;
3925 if (getenv ("MONO_VERBOSE_METHOD")) {
3926 char *name = getenv ("MONO_VERBOSE_METHOD");
3928 if ((strchr (name, '.') > name) || strchr (name, ':')) {
3929 MonoMethodDesc *desc;
3931 desc = mono_method_desc_new (name, TRUE);
3932 if (mono_method_desc_full_match (desc, cfg->method)) {
3933 cfg->verbose_level = 4;
3935 mono_method_desc_free (desc);
3937 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
3938 cfg->verbose_level = 4;
3942 ip = (guint8 *)header->code;
3944 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
3946 if (cfg->verbose_level > 0) {
3947 if (COMPILE_LLVM (cfg))
3948 g_print ("converting llvm method %s\n", mono_method_full_name (method, TRUE));
3949 else if (cfg->generic_sharing_context)
3950 g_print ("converting shared method %s\n", mono_method_full_name (method_to_compile, TRUE));
3952 g_print ("converting method %s\n", mono_method_full_name (method, TRUE));
3955 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
3956 cfg->opt |= MONO_OPT_SSA;
3959 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")))
3960 cfg->globalra = TRUE;
3963 //cfg->globalra = TRUE;
3965 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
3966 // cfg->globalra = TRUE;
3969 static int count = 0;
3973 if (getenv ("COUNT2")) {
3974 cfg->globalra = TRUE;
3975 if (count == atoi (getenv ("COUNT2")))
3976 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
3977 if (count > atoi (getenv ("COUNT2")))
3978 cfg->globalra = FALSE;
3983 if (header->clauses)
3984 cfg->globalra = FALSE;
3986 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
3987 /* The code in the prolog clobbers caller saved registers */
3988 cfg->globalra = FALSE;
3990 // FIXME: Disable globalra in case of tracing/profiling
3992 if (cfg->method->save_lmf)
3993 /* The LMF saving code might clobber caller saved registers */
3994 cfg->globalra = FALSE;
3996 if (header->code_size > 5000)
3998 /* Too large bblocks could overflow the ins positions */
3999 cfg->globalra = FALSE;
4001 cfg->rs = mono_regstate_new ();
4003 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4004 cfg->next_vreg = cfg->rs->next_vreg;
4006 /* FIXME: Fix SSA to handle branches inside bblocks */
4007 if (cfg->opt & MONO_OPT_SSA)
4008 cfg->enable_extended_bblocks = FALSE;
4011 * FIXME: This confuses liveness analysis because variables which are assigned after
4012 * a branch inside a bblock become part of the kill set, even though the assignment
4013 * might not get executed. This causes the optimize_initlocals pass to delete some
4014 * assignments which are needed.
4015 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4018 //cfg->enable_extended_bblocks = TRUE;
4020 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4021 if (mono_compile_is_broken (cfg))
4025 * create MonoInst* which represents arguments and local variables
4027 mono_compile_create_vars (cfg);
4029 /* SSAPRE is not supported on linear IR */
4030 cfg->opt &= ~MONO_OPT_SSAPRE;
4032 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4035 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4037 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4038 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4041 mono_destroy_compile (cfg);
4042 try_generic_shared = FALSE;
4043 goto restart_compile;
4045 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4047 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4048 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4049 /* cfg contains the details of the failure, so let the caller cleanup */
4053 mono_jit_stats.basic_blocks += cfg->num_bblocks;
4054 mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks);
4056 if (COMPILE_LLVM (cfg)) {
4059 /* The IR has to be in SSA form for LLVM */
4060 cfg->opt |= MONO_OPT_SSA;
4064 // Allow SSA on the result value
4065 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4067 // Add an explicit return instruction referencing the return value
4068 MONO_INST_NEW (cfg, ins, OP_SETRET);
4069 ins->sreg1 = cfg->ret->dreg;
4071 MONO_ADD_INS (cfg->bb_exit, ins);
4074 cfg->opt &= ~MONO_OPT_LINEARS;
4077 cfg->opt &= ~MONO_OPT_BRANCH;
4080 /* todo: remove code when we have verified that the liveness for try/catch blocks
4084 * Currently, this can't be commented out since exception blocks are not
4085 * processed during liveness analysis.
4086 * It is also needed, because otherwise the local optimization passes would
4087 * delete assignments in cases like this:
4089 * <something which throws>
4091 * This also allows SSA to be run on methods containing exception clauses, since
4092 * SSA will ignore variables marked VOLATILE.
4094 mono_liveness_handle_exception_clauses (cfg);
4096 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4098 if (!COMPILE_LLVM (cfg))
4099 mono_decompose_long_opts (cfg);
4101 /* Should be done before branch opts */
4102 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4103 mono_local_cprop (cfg);
4105 if (cfg->opt & MONO_OPT_BRANCH)
4106 mono_optimize_branches (cfg);
4108 /* This must be done _before_ global reg alloc and _after_ decompose */
4109 mono_handle_global_vregs (cfg);
4110 if (cfg->opt & MONO_OPT_DEADCE)
4111 mono_local_deadce (cfg);
4112 /* Disable this for LLVM to make the IR easier to handle */
4113 if (!COMPILE_LLVM (cfg))
4114 mono_if_conversion (cfg);
4116 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4117 mono_remove_critical_edges (cfg);
4119 /* Depth-first ordering on basic blocks */
4120 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4122 cfg->max_block_num = cfg->num_bblocks;
4125 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4126 if (cfg->num_bblocks != dfn + 1) {
4129 cfg->num_bblocks = dfn + 1;
4131 /* remove unreachable code, because the code in them may be
4132 * inconsistent (access to dead variables for example) */
4133 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4134 bb->flags &= ~BB_VISITED;
4135 compute_reachable (cfg->bb_entry);
4136 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4137 if (bb->flags & BB_EXCEPTION_HANDLER)
4138 compute_reachable (bb);
4139 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4140 if (!(bb->flags & BB_VISITED)) {
4141 if (cfg->verbose_level > 1)
4142 g_print ("found unreachable code in BB%d\n", bb->block_num);
4143 bb->code = bb->last_ins = NULL;
4144 while (bb->out_count)
4145 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
4148 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4149 bb->flags &= ~BB_VISITED;
4152 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
4154 * we disable some optimizations if there are too many variables
4155 * because JIT time may become too expensive. The actual number needs
4156 * to be tweaked and eventually the non-linear algorithms should be fixed.
4158 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
4159 cfg->disable_ssa = TRUE;
4162 if (cfg->opt & MONO_OPT_LOOP) {
4163 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
4164 mono_compute_natural_loops (cfg);
4167 /* after method_to_ir */
4169 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4170 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4175 if (header->num_clauses)
4176 cfg->disable_ssa = TRUE;
4179 //#define DEBUGSSA "logic_run"
4180 #define DEBUGSSA_CLASS "Tests"
4183 if (!cfg->disable_ssa) {
4184 mono_local_cprop (cfg);
4187 mono_ssa_compute (cfg);
4191 if (cfg->opt & MONO_OPT_SSA) {
4192 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
4194 mono_ssa_compute (cfg);
4197 if (cfg->verbose_level >= 2) {
4204 /* after SSA translation */
4206 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4207 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4211 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
4212 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4214 mono_ssa_cprop (cfg);
4220 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4221 //mono_ssa_strength_reduction (cfg);
4223 if (cfg->opt & MONO_OPT_SSAPRE) {
4224 mono_perform_ssapre (cfg);
4225 //mono_local_cprop (cfg);
4228 if (cfg->opt & MONO_OPT_DEADCE) {
4229 mono_ssa_deadce (cfg);
4230 deadce_has_run = TRUE;
4233 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4234 mono_perform_abc_removal (cfg);
4236 mono_ssa_remove (cfg);
4237 mono_local_cprop (cfg);
4238 mono_handle_global_vregs (cfg);
4239 if (cfg->opt & MONO_OPT_DEADCE)
4240 mono_local_deadce (cfg);
4242 if (cfg->opt & MONO_OPT_BRANCH) {
4245 mono_optimize_branches (cfg);
4247 /* Have to recompute cfg->bblocks and bb->dfn */
4248 if (cfg->globalra) {
4249 mono_remove_critical_edges (cfg);
4251 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4254 /* Depth-first ordering on basic blocks */
4255 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4258 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4259 cfg->num_bblocks = dfn + 1;
4265 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
4266 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4267 mono_perform_abc_removal (cfg);
4270 /* after SSA removal */
4272 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4273 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4277 #ifdef MONO_ARCH_SOFT_FLOAT
4278 if (!COMPILE_LLVM (cfg))
4279 mono_decompose_soft_float (cfg);
4281 if (!COMPILE_LLVM (cfg))
4282 mono_decompose_vtype_opts (cfg);
4283 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4284 mono_decompose_array_access_opts (cfg);
4287 #ifndef MONO_ARCH_GOT_REG
4292 g_assert (cfg->got_var_allocated);
4295 * Allways allocate the GOT var to a register, because keeping it
4296 * in memory will increase the number of live temporaries in some
4297 * code created by inssel.brg, leading to the well known spills+
4298 * branches problem. Testcase: mcs crash in
4299 * System.MonoCustomAttrs:GetCustomAttributes.
4301 #ifdef MONO_ARCH_GOT_REG
4302 got_reg = MONO_ARCH_GOT_REG;
4304 regs = mono_arch_get_global_int_regs (cfg);
4306 got_reg = GPOINTER_TO_INT (regs->data);
4309 cfg->got_var->opcode = OP_REGVAR;
4310 cfg->got_var->dreg = got_reg;
4311 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
4315 * Have to call this again to process variables added since the first call.
4317 mono_liveness_handle_exception_clauses (cfg);
4319 if (cfg->globalra) {
4322 /* Have to do this before regalloc since it can create vregs */
4323 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4324 mono_arch_lowering_pass (cfg, bb);
4326 mono_global_regalloc (cfg);
4329 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
4330 GList *vars, *regs, *l;
4332 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
4333 cfg->comp_done &= ~MONO_COMP_LIVENESS;
4334 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
4335 mono_analyze_liveness (cfg);
4337 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
4338 regs = mono_arch_get_global_int_regs (cfg);
4339 /* Remove the reg reserved for holding the GOT address */
4341 for (l = regs; l; l = l->next) {
4342 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
4343 regs = g_list_delete_link (regs, l);
4348 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
4352 //mono_print_code (cfg, "");
4356 /* variables are allocated after decompose, since decompose could create temps */
4357 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4358 mono_arch_allocate_vars (cfg);
4359 if (cfg->exception_type)
4365 gboolean need_local_opts;
4367 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4368 mono_spill_global_vars (cfg, &need_local_opts);
4370 if (need_local_opts || cfg->compile_aot) {
4371 /* To optimize code created by spill_global_vars */
4372 mono_local_cprop (cfg);
4373 if (cfg->opt & MONO_OPT_DEADCE)
4374 mono_local_deadce (cfg);
4378 /* Add branches between non-consecutive bblocks */
4379 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4380 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
4381 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
4382 /* we are careful when inverting, since bugs like #59580
4383 * could show up when dealing with NaNs.
4385 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
4386 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
4387 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
4388 bb->last_ins->inst_false_bb = tmp;
4390 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
4392 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
4393 inst->opcode = OP_BR;
4394 inst->inst_target_bb = bb->last_ins->inst_false_bb;
4395 mono_bblock_add_inst (bb, inst);
4400 if (cfg->verbose_level >= 4 && !cfg->globalra) {
4401 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4402 MonoInst *tree = bb->code;
4403 g_print ("DUMP BLOCK %d:\n", bb->block_num);
4406 for (; tree; tree = tree->next) {
4407 mono_print_ins_index (-1, tree);
4413 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4414 bb->max_vreg = cfg->next_vreg;
4418 if (COMPILE_LLVM (cfg)) {
4422 /* The IR has to be in SSA form for LLVM */
4423 if (!(cfg->comp_done & MONO_COMP_SSA)) {
4424 cfg->exception_message = g_strdup ("SSA disabled.");
4425 cfg->disable_llvm = TRUE;
4428 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4429 mono_decompose_array_access_opts (cfg);
4431 if (!cfg->disable_llvm)
4432 mono_llvm_emit_method (cfg);
4433 if (cfg->disable_llvm) {
4434 if (cfg->verbose_level >= 1) {
4435 //nm = mono_method_full_name (cfg->method, TRUE);
4436 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4439 InterlockedIncrement (&methods_without_llvm);
4440 mono_destroy_compile (cfg);
4442 goto restart_compile;
4445 InterlockedIncrement (&methods_with_llvm);
4447 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
4448 nm = mono_method_full_name (cfg->method, TRUE);
4449 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
4451 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4459 if (cfg->verbose_level >= 2) {
4460 char *id = mono_method_full_name (cfg->method, FALSE);
4461 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
4465 cfg->jit_info = create_jit_info (cfg, method_to_compile);
4467 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
4468 if (cfg->extend_live_ranges) {
4469 /* Extend live ranges to cover the whole method */
4470 for (i = 0; i < cfg->num_varinfo; ++i)
4471 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
4475 mono_save_xdebug_info (cfg);
4477 mini_gc_create_gc_map (cfg);
4479 mono_save_seq_point_info (cfg);
4481 if (!cfg->compile_aot) {
4482 mono_domain_lock (cfg->domain);
4483 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
4485 if (cfg->method->dynamic)
4486 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
4487 mono_domain_unlock (cfg->domain);
4490 /* collect statistics */
4491 mono_perfcounters->jit_methods++;
4492 mono_perfcounters->jit_bytes += header->code_size;
4493 mono_jit_stats.allocated_code_size += cfg->code_len;
4494 code_size_ratio = cfg->code_len;
4495 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
4496 mono_jit_stats.biggest_method_size = code_size_ratio;
4497 g_free (mono_jit_stats.biggest_method);
4498 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4500 code_size_ratio = (code_size_ratio * 100) / header->code_size;
4501 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
4502 mono_jit_stats.max_code_size_ratio = code_size_ratio;
4503 g_free (mono_jit_stats.max_ratio_method);
4504 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4506 mono_jit_stats.native_code_size += cfg->code_len;
4508 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4509 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4517 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4519 g_assert_not_reached ();
4523 #endif /* DISABLE_JIT */
4526 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
4528 static gboolean inited = FALSE;
4529 static int lookups = 0;
4530 static int failed_lookups = 0;
4533 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
4534 if (ji && !ji->has_generic_jit_info)
4538 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
4539 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
4551 * LOCKING: Assumes domain->jit_code_hash_lock is held.
4554 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
4556 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
4561 if (!mono_method_is_generic_sharable_impl (method, FALSE))
4563 return mono_domain_lookup_shared_generic (domain, method);
4567 lookup_method (MonoDomain *domain, MonoMethod *method)
4571 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
4572 mono_domain_jit_code_hash_lock (domain);
4573 info = lookup_method_inner (domain, method);
4574 mono_domain_jit_code_hash_unlock (domain);
4575 mono_loader_unlock ();
4581 static FILE* perf_map_file = NULL;
4584 mono_enable_jit_map (void)
4586 if (!perf_map_file) {
4588 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
4590 perf_map_file = fopen (name, "w");
4595 mono_emit_jit_tramp (void *start, int size, const char *desc)
4598 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
4602 mono_emit_jit_map (MonoJitInfo *jinfo)
4604 if (perf_map_file) {
4605 char *name = mono_method_full_name (jinfo->method, TRUE);
4606 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
4613 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
4616 gpointer code = NULL;
4617 MonoJitInfo *jinfo, *info;
4619 MonoException *ex = NULL;
4620 guint32 prof_options;
4622 #ifdef MONO_USE_AOT_COMPILER
4623 if (opt & MONO_OPT_AOT) {
4624 MonoDomain *domain = mono_domain_get ();
4626 mono_class_init (method->klass);
4628 if ((code = mono_aot_get_method (domain, method))) {
4629 vtable = mono_class_vtable (domain, method->klass);
4631 mono_runtime_class_init (vtable);
4638 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
4639 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
4641 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
4643 if (!piinfo->addr) {
4644 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
4645 piinfo->addr = mono_lookup_internal_call (method);
4646 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
4648 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);
4650 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);
4653 mono_lookup_pinvoke_call (method, NULL, NULL);
4655 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
4656 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4658 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
4659 //mono_debug_add_wrapper (method, nm);
4660 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
4661 const char *name = method->name;
4664 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
4665 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
4666 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
4669 * We need to make sure this wrapper
4670 * is compiled because it might end up
4671 * in an (M)RGCTX if generic sharing
4672 * is enabled, and would be called
4673 * indirectly. If it were a
4674 * trampoline we'd try to patch that
4675 * indirect call, which is not
4678 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
4679 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
4680 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
4681 return mono_create_delegate_trampoline (method->klass);
4683 nm = mono_marshal_get_delegate_invoke (method, NULL);
4684 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4686 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
4687 nm = mono_marshal_get_delegate_begin_invoke (method);
4688 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4689 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
4690 nm = mono_marshal_get_delegate_end_invoke (method);
4691 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4697 if (mono_aot_only) {
4698 char *fullname = mono_method_full_name (method, TRUE);
4699 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
4701 *jit_ex = mono_get_exception_execution_engine (msg);
4708 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
4710 switch (cfg->exception_type) {
4711 case MONO_EXCEPTION_NONE:
4713 case MONO_EXCEPTION_TYPE_LOAD:
4714 case MONO_EXCEPTION_MISSING_FIELD:
4715 case MONO_EXCEPTION_MISSING_METHOD:
4716 case MONO_EXCEPTION_FILE_NOT_FOUND:
4717 case MONO_EXCEPTION_BAD_IMAGE: {
4718 /* Throw a type load exception if needed */
4719 MonoLoaderError *error = mono_loader_get_last_error ();
4722 ex = mono_loader_error_prepare_exception (error);
4724 if (cfg->exception_ptr) {
4725 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
4727 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
4728 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
4729 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
4730 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
4731 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
4732 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
4733 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
4734 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
4735 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
4736 ex = mono_get_exception_bad_image_format (cfg->exception_message);
4738 g_assert_not_reached ();
4743 case MONO_EXCEPTION_INVALID_PROGRAM:
4744 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
4746 case MONO_EXCEPTION_UNVERIFIABLE_IL:
4747 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
4749 case MONO_EXCEPTION_METHOD_ACCESS:
4750 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
4752 case MONO_EXCEPTION_FIELD_ACCESS:
4753 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
4755 /* this can only be set if the security manager is active */
4756 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
4757 MonoSecurityManager* secman = mono_security_manager_get_methods ();
4758 MonoObject *exc = NULL;
4761 args [0] = &cfg->exception_data;
4763 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
4765 ex = (MonoException*)exc;
4768 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
4769 MonoException *exp = cfg->exception_ptr;
4770 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
4776 g_assert_not_reached ();
4780 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
4781 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
4783 mono_destroy_compile (cfg);
4789 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
4790 mono_domain_lock (target_domain);
4792 /* Check if some other thread already did the job. In this case, we can
4793 discard the code this thread generated. */
4795 mono_domain_jit_code_hash_lock (target_domain);
4797 info = lookup_method_inner (target_domain, method);
4799 /* We can't use a domain specific method in another domain */
4800 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
4801 code = info->code_start;
4802 // printf("Discarding code for method %s\n", method->name);
4807 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
4808 mono_domain_jit_code_hash_unlock (target_domain);
4809 code = cfg->native_code;
4811 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
4812 mono_stats.generics_shared_methods++;
4814 mono_domain_jit_code_hash_unlock (target_domain);
4817 jinfo = cfg->jit_info;
4819 prof_options = cfg->prof_options;
4821 mono_destroy_compile (cfg);
4824 if (domain_jit_info (target_domain)->jump_target_hash) {
4825 MonoJumpInfo patch_info;
4827 list = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
4829 patch_info.next = NULL;
4830 patch_info.ip.i = 0;
4831 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
4832 patch_info.data.method = method;
4833 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
4835 for (tmp = list; tmp; tmp = tmp->next)
4836 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, TRUE);
4837 g_slist_free (list);
4840 mono_emit_jit_map (jinfo);
4842 mono_domain_unlock (target_domain);
4843 mono_loader_unlock ();
4845 vtable = mono_class_vtable (target_domain, method->klass);
4847 ex = mono_class_get_exception_for_failure (method->klass);
4853 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
4854 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
4855 if (mono_marshal_method_from_wrapper (method)) {
4856 /* Native func wrappers have no method */
4857 /* The profiler doesn't know about wrappers, so pass the original icall method */
4858 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
4861 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
4865 ex = mono_runtime_class_init_full (vtable, FALSE);
4874 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
4876 MonoDomain *target_domain, *domain = mono_domain_get ();
4879 MonoJitICallInfo *callinfo = NULL;
4882 * ICALL wrappers are handled specially, since there is only one copy of them
4883 * shared by all appdomains.
4885 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
4886 const char *icall_name;
4888 icall_name = method->name + strlen ("__icall_wrapper_");
4889 g_assert (icall_name);
4890 callinfo = mono_find_jit_icall_by_name (icall_name);
4891 g_assert (callinfo);
4893 /* Must be domain neutral since there is only one copy */
4894 opt |= MONO_OPT_SHARED;
4897 if (opt & MONO_OPT_SHARED)
4898 target_domain = mono_get_root_domain ();
4900 target_domain = domain;
4902 info = lookup_method (target_domain, method);
4904 /* We can't use a domain specific method in another domain */
4905 if (! ((domain != target_domain) && !info->domain_neutral)) {
4908 mono_jit_stats.methods_lookups++;
4909 vtable = mono_class_vtable (domain, method->klass);
4911 mono_runtime_class_init (vtable);
4912 return mono_create_ftnptr (target_domain, info->code_start);
4916 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
4920 p = mono_create_ftnptr (target_domain, code);
4924 if (!callinfo->wrapper) {
4925 callinfo->wrapper = p;
4926 mono_register_jit_icall_wrapper (callinfo, p);
4927 mono_debug_add_icall_wrapper (method, callinfo);
4936 mono_jit_compile_method (MonoMethod *method)
4938 MonoException *ex = NULL;
4941 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
4944 mono_raise_exception (ex);
4950 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4952 invalidated_delegate_trampoline (char *desc)
4954 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
4955 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
4961 * mono_jit_free_method:
4963 * Free all memory allocated by the JIT for METHOD.
4966 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
4968 MonoJitDynamicMethodInfo *ji;
4969 gboolean destroy = TRUE;
4971 g_assert (method->dynamic);
4973 mono_domain_lock (domain);
4974 ji = mono_dynamic_code_hash_lookup (domain, method);
4975 mono_domain_unlock (domain);
4979 mono_domain_lock (domain);
4980 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
4981 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
4982 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
4983 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
4984 mono_domain_unlock (domain);
4986 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4987 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
4989 * Instead of freeing the code, change it to call an error routine
4990 * so people can fix their code.
4992 char *type = mono_type_full_name (&method->klass->byval_arg);
4993 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
4996 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
5002 * This needs to be done before freeing code_mp, since the code address is the
5003 * key in the table, so if we free the code_mp first, another thread can grab the
5004 * same code address and replace our entry in the table.
5006 mono_jit_info_table_remove (domain, ji->ji);
5009 mono_code_manager_destroy (ji->code_mp);
5014 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
5016 MonoDomain *target_domain;
5019 if (default_opt & MONO_OPT_SHARED)
5020 target_domain = mono_get_root_domain ();
5022 target_domain = domain;
5024 info = lookup_method (target_domain, method);
5026 /* We can't use a domain specific method in another domain */
5027 if (! ((domain != target_domain) && !info->domain_neutral)) {
5028 mono_jit_stats.methods_lookups++;
5031 return info->code_start;
5041 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
5043 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
5048 gpointer compiled_method;
5049 gpointer runtime_invoke;
5051 MonoDynCallInfo *dyn_call_info;
5052 MonoClass *ret_box_class;
5053 } RuntimeInvokeInfo;
5056 * mono_jit_runtime_invoke:
5057 * @method: the method to invoke
5058 * @obj: this pointer
5059 * @params: array of parameter values.
5060 * @exc: used to catch exceptions objects
5063 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
5066 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
5067 MonoDomain *domain = mono_domain_get ();
5068 MonoJitDomainInfo *domain_info;
5069 RuntimeInvokeInfo *info, *info2;
5071 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
5072 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
5076 domain_info = domain_jit_info (domain);
5078 mono_domain_lock (domain);
5079 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5080 mono_domain_unlock (domain);
5083 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
5085 * This might be redundant since mono_class_vtable () already does this,
5086 * but keep it just in case for moonlight.
5088 mono_class_setup_vtable (method->klass);
5089 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
5091 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
5093 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
5098 info = g_new0 (RuntimeInvokeInfo, 1);
5100 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5101 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
5102 g_assert (info->vtable);
5104 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5105 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5107 * Array Get/Set/Address methods. The JIT implements them using inline code
5108 * inside the runtime invoke wrappers, so no need to compile them.
5110 info->compiled_method = NULL;
5112 MonoException *jit_ex = NULL;
5114 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
5115 if (!info->compiled_method) {
5119 *exc = (MonoObject*)jit_ex;
5122 mono_raise_exception (jit_ex);
5126 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
5127 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
5131 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
5132 * in full-aot mode, so we use a slower, but more generic wrapper if
5133 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
5135 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5136 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
5137 MonoMethodSignature *sig = mono_method_signature (method);
5138 gboolean supported = TRUE;
5141 if (method->string_ctor)
5142 sig = mono_marshal_get_string_ctor_signature (method);
5144 for (i = 0; i < sig->param_count; ++i) {
5145 MonoType *t = sig->params [i];
5147 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
5151 if (method->klass->contextbound || !info->compiled_method)
5155 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
5157 if (info->dyn_call_info) {
5158 switch (sig->ret->type) {
5159 case MONO_TYPE_VOID:
5171 case MONO_TYPE_BOOLEAN:
5172 case MONO_TYPE_CHAR:
5175 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5178 info->ret_box_class = mono_defaults.int_class;
5180 case MONO_TYPE_STRING:
5181 case MONO_TYPE_CLASS:
5182 case MONO_TYPE_ARRAY:
5183 case MONO_TYPE_SZARRAY:
5184 case MONO_TYPE_OBJECT:
5186 case MONO_TYPE_GENERICINST:
5187 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
5188 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5190 case MONO_TYPE_VALUETYPE:
5191 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5194 g_assert_not_reached ();
5201 if (!info->dyn_call_info)
5202 info->runtime_invoke = mono_jit_compile_method (invoke);
5204 mono_domain_lock (domain);
5205 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5210 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
5212 mono_domain_unlock (domain);
5215 runtime_invoke = info->runtime_invoke;
5218 * We need this here because mono_marshal_get_runtime_invoke can place
5219 * the helper method in System.Object and not the target class.
5222 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
5226 mono_runtime_class_init (info->vtable);
5229 /* The wrappers expect this to be initialized to NULL */
5233 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5234 if (info->dyn_call_info) {
5235 MonoMethodSignature *sig = mono_method_signature (method);
5237 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
5240 guint8 retval [128];
5242 if (!dyn_runtime_invoke) {
5243 invoke = mono_marshal_get_runtime_invoke_dynamic ();
5244 dyn_runtime_invoke = mono_jit_compile_method (invoke);
5247 /* Convert the arguments to the format expected by start_dyn_call () */
5248 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
5251 args [pindex ++] = &obj;
5252 for (i = 0; i < sig->param_count; ++i) {
5253 MonoType *t = sig->params [i];
5256 args [pindex ++] = ¶ms [i];
5257 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
5258 args [pindex ++] = ¶ms [i];
5260 args [pindex ++] = params [i];
5264 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
5266 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
5268 dyn_runtime_invoke (buf, exc, info->compiled_method);
5270 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
5272 if (info->ret_box_class)
5273 return mono_value_box (domain, info->ret_box_class, retval);
5275 return *(MonoObject**)retval;
5279 return runtime_invoke (obj, params, exc, info->compiled_method);
5283 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
5285 MonoException *exc = NULL;
5287 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
5292 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5294 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
5295 if (mono_arch_is_int_overflow (ctx, info))
5296 exc = mono_get_exception_arithmetic ();
5298 exc = mono_get_exception_divide_by_zero ();
5300 exc = mono_get_exception_divide_by_zero ();
5304 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5307 mono_handle_native_sigsegv (SIGSEGV, ctx);
5310 mono_arch_handle_exception (ctx, exc, FALSE);
5314 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
5319 exc = mono_get_exception_execution_engine ("SIGILL");
5321 mono_arch_handle_exception (ctx, exc, FALSE);
5324 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
5325 #define HAVE_SIG_INFO
5329 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
5332 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
5336 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
5337 if (mono_arch_is_single_step_event (info, ctx)) {
5338 mono_debugger_agent_single_step_event (ctx);
5340 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
5341 mono_debugger_agent_breakpoint_hit (ctx);
5346 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
5347 if (mono_aot_is_pagefault (info->si_addr)) {
5348 mono_aot_handle_pagefault (info->si_addr);
5353 /* The thread might no be registered with the runtime */
5354 if (!mono_domain_get () || !jit_tls) {
5355 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5357 mono_handle_native_sigsegv (SIGSEGV, ctx);
5360 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5362 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
5363 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
5366 /* The hard-guard page has been hit: there is not much we can do anymore
5367 * Print a hopefully clear message and abort.
5369 if (jit_tls->stack_size &&
5370 ABS ((guint8*)info->si_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 32768) {
5372 /* we don't do much now, but we can warn the user with a useful message */
5373 fprintf (stderr, "Stack overflow: IP: %p, fault addr: %p\n", mono_arch_ip_from_context (ctx), (gpointer)info->si_addr);
5374 if (ji && ji->method)
5375 method = mono_method_full_name (ji->method, TRUE);
5377 method = "Unmanaged";
5378 fprintf (stderr, "At %s\n", method);
5381 /* The original handler might not like that it is executed on an altstack... */
5382 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
5385 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
5390 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5393 mono_handle_native_sigsegv (SIGSEGV, ctx);
5396 mono_arch_handle_exception (ctx, NULL, FALSE);
5401 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
5406 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
5408 mono_arch_handle_exception (ctx, exc, FALSE);
5411 /* mono_jit_create_remoting_trampoline:
5412 * @method: pointer to the method info
5414 * Creates a trampoline which calls the remoting functions. This
5415 * is used in the vtable of transparent proxies.
5417 * Returns: a pointer to the newly created code
5420 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
5423 guint8 *addr = NULL;
5425 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
5426 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
5430 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
5431 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
5432 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
5433 addr = mono_compile_method (nm);
5435 addr = mono_compile_method (method);
5437 return mono_get_addr_from_ftnptr (addr);
5440 #ifdef MONO_ARCH_HAVE_IMT
5441 static G_GNUC_UNUSED gpointer
5442 mini_get_imt_trampoline (void)
5444 static gpointer tramp = NULL;
5446 tramp = mono_create_specific_trampoline (MONO_FAKE_IMT_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
5452 mini_get_vtable_trampoline (int slot_index)
5454 static gpointer tramp = NULL;
5457 tramp = mono_create_specific_trampoline (MONO_FAKE_VTABLE_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
5462 mini_parse_debug_options (void)
5464 char *options = getenv ("MONO_DEBUG");
5465 gchar **args, **ptr;
5470 args = g_strsplit (options, ",", -1);
5472 for (ptr = args; ptr && *ptr; ptr++) {
5473 const char *arg = *ptr;
5475 if (!strcmp (arg, "handle-sigint"))
5476 debug_options.handle_sigint = TRUE;
5477 else if (!strcmp (arg, "keep-delegates"))
5478 debug_options.keep_delegates = TRUE;
5479 else if (!strcmp (arg, "collect-pagefault-stats"))
5480 debug_options.collect_pagefault_stats = TRUE;
5481 else if (!strcmp (arg, "break-on-unverified"))
5482 debug_options.break_on_unverified = TRUE;
5483 else if (!strcmp (arg, "no-gdb-backtrace"))
5484 debug_options.no_gdb_backtrace = TRUE;
5485 else if (!strcmp (arg, "suspend-on-sigsegv"))
5486 debug_options.suspend_on_sigsegv = TRUE;
5487 else if (!strcmp (arg, "dont-free-domains"))
5488 mono_dont_free_domains = TRUE;
5489 else if (!strcmp (arg, "dyn-runtime-invoke"))
5490 debug_options.dyn_runtime_invoke = TRUE;
5491 else if (!strcmp (arg, "gdb"))
5492 debug_options.gdb = TRUE;
5493 else if (!strcmp (arg, "explicit-null-checks"))
5494 debug_options.explicit_null_checks = TRUE;
5495 else if (!strcmp (arg, "gen-seq-points"))
5496 debug_options.gen_seq_points = TRUE;
5497 else if (!strcmp (arg, "init-stacks"))
5498 debug_options.init_stacks = TRUE;
5500 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
5501 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks'\n");
5510 mini_get_debug_options (void)
5512 return &debug_options;
5516 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
5521 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
5527 #elif defined(__ppc64__) || defined(__powerpc64__)
5530 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
5543 mini_get_addr_from_ftnptr (gpointer descr)
5545 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
5546 return *(gpointer*)descr;
5552 static void runtime_invoke_info_free (gpointer value);
5555 mini_create_jit_domain_info (MonoDomain *domain)
5557 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
5559 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5560 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5561 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5562 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5563 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5564 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
5565 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
5566 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
5568 domain->runtime_info = info;
5572 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
5574 g_slist_free (value);
5578 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
5580 MonoJitDynamicMethodInfo *di = value;
5581 mono_code_manager_destroy (di->code_mp);
5586 runtime_invoke_info_free (gpointer value)
5588 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
5590 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5591 if (info->dyn_call_info)
5592 mono_arch_dyn_call_free (info->dyn_call_info);
5598 mini_free_jit_domain_info (MonoDomain *domain)
5600 MonoJitDomainInfo *info = domain_jit_info (domain);
5602 if (info->jump_target_hash) {
5603 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
5604 g_hash_table_destroy (info->jump_target_hash);
5606 if (info->jump_target_got_slot_hash) {
5607 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
5608 g_hash_table_destroy (info->jump_target_got_slot_hash);
5610 if (info->dynamic_code_hash) {
5611 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
5612 g_hash_table_destroy (info->dynamic_code_hash);
5614 if (info->method_code_hash)
5615 g_hash_table_destroy (info->method_code_hash);
5616 g_hash_table_destroy (info->class_init_trampoline_hash);
5617 g_hash_table_destroy (info->jump_trampoline_hash);
5618 g_hash_table_destroy (info->jit_trampoline_hash);
5619 g_hash_table_destroy (info->delegate_trampoline_hash);
5620 if (info->static_rgctx_trampoline_hash)
5621 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
5622 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
5623 g_hash_table_destroy (info->runtime_invoke_hash);
5624 g_hash_table_destroy (info->seq_points);
5625 g_hash_table_destroy (info->arch_seq_points);
5627 if (info->agent_info)
5628 mono_debugger_agent_free_domain_info (domain);
5630 g_free (domain->runtime_info);
5631 domain->runtime_info = NULL;
5635 mini_init (const char *filename, const char *runtime_version)
5638 MonoRuntimeCallbacks callbacks;
5640 MONO_PROBE_VES_INIT_BEGIN ();
5643 if (access ("/proc/self/maps", F_OK) != 0) {
5644 g_print ("Mono requires /proc to be mounted.\n");
5649 /* Happens when using the embedding interface */
5650 if (!default_opt_set)
5651 default_opt = mono_parse_default_optimizations (NULL);
5653 InitializeCriticalSection (&jit_mutex);
5655 #ifdef MONO_DEBUGGER_SUPPORTED
5656 if (mini_debug_running_inside_mdb ())
5657 mini_debugger_init ();
5660 #ifdef MONO_ARCH_HAVE_TLS_GET
5661 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
5663 mono_runtime_set_has_tls_get (FALSE);
5666 if (!global_codeman)
5667 global_codeman = mono_code_manager_new ();
5668 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
5670 memset (&callbacks, 0, sizeof (callbacks));
5671 callbacks.create_ftnptr = mini_create_ftnptr;
5672 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
5673 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
5675 #ifdef MONO_ARCH_HAVE_IMT
5677 if (!mono_use_llvm) {
5678 /* LLVM needs a per-method vtable trampoline */
5679 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
5684 mono_install_callbacks (&callbacks);
5686 mono_arch_cpu_init ();
5690 mono_unwind_init ();
5694 if (getenv ("MONO_DEBUG") != NULL)
5695 mini_parse_debug_options ();
5697 if (getenv ("MONO_XDEBUG")) {
5698 char *xdebug_opts = getenv ("MONO_XDEBUG");
5699 mono_xdebug_init (xdebug_opts);
5700 /* So methods for multiple domains don't have the same address */
5701 mono_dont_free_domains = TRUE;
5702 mono_using_xdebug = TRUE;
5703 } else if (mini_get_debug_options ()->gdb) {
5704 mono_xdebug_init ((char*)"gdb");
5705 mono_dont_free_domains = TRUE;
5706 mono_using_xdebug = TRUE;
5713 mono_trampolines_init ();
5715 if (!g_thread_supported ())
5716 g_thread_init (NULL);
5718 mono_jit_tls_id = TlsAlloc ();
5719 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
5721 if (default_opt & MONO_OPT_AOT)
5724 mono_debugger_agent_init ();
5726 #ifdef MONO_ARCH_GSHARED_SUPPORTED
5727 mono_set_generic_sharing_supported (TRUE);
5730 #ifndef MONO_CROSS_COMPILE
5731 mono_runtime_install_handlers ();
5733 mono_threads_install_cleanup (mini_thread_cleanup);
5735 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
5736 // This is experimental code so provide an env var to switch it off
5737 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
5738 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
5740 check_for_pending_exc = FALSE;
5741 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
5745 #define JIT_TRAMPOLINES_WORK
5746 #ifdef JIT_TRAMPOLINES_WORK
5747 mono_install_compile_method (mono_jit_compile_method);
5748 mono_install_free_method (mono_jit_free_method);
5749 #ifdef MONO_ARCH_LLVM_SUPPORTED
5751 /* The runtime currently only uses this for filling out vtables */
5752 mono_install_trampoline (mono_create_llvm_vcall_trampoline);
5754 mono_install_trampoline (mono_create_jit_trampoline);
5756 mono_install_trampoline (mono_create_jit_trampoline);
5758 mono_install_jump_trampoline (mono_create_jump_trampoline);
5759 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
5760 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
5761 mono_install_create_domain_hook (mini_create_jit_domain_info);
5762 mono_install_free_domain_hook (mini_free_jit_domain_info);
5764 #define JIT_INVOKE_WORKS
5765 #ifdef JIT_INVOKE_WORKS
5766 mono_install_runtime_invoke (mono_jit_runtime_invoke);
5768 mono_install_stack_walk (mono_jit_walk_stack);
5769 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
5770 mono_install_get_class_from_name (mono_aot_get_class_from_name);
5771 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
5773 if (debug_options.collect_pagefault_stats) {
5774 mono_aot_set_make_unreadable (TRUE);
5777 if (runtime_version)
5778 domain = mono_init_version (filename, runtime_version);
5780 domain = mono_init_from_assembly (filename, filename);
5782 if (mono_aot_only) {
5783 /* This helps catch code allocation requests */
5784 mono_code_manager_set_read_only (domain->code_mp);
5787 #ifdef MONO_ARCH_HAVE_IMT
5790 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
5792 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
5793 if (!mono_use_llvm) {
5795 * The imt code in mono_magic_trampoline () can't handle LLVM code. By disabling
5796 * this, we force iface calls to go through the llvm vcall trampoline.
5798 mono_install_imt_trampoline (mini_get_imt_trampoline ());
5803 /* This must come after mono_init () in the aot-only case */
5804 mono_exceptions_init ();
5805 mono_install_handler (mono_get_throw_exception ());
5809 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
5810 ves_icall_get_frame_info);
5811 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
5812 ves_icall_get_trace);
5813 mono_add_internal_call ("System.Exception::get_trace",
5814 ves_icall_System_Exception_get_trace);
5815 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
5816 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
5817 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
5818 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
5819 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
5820 mono_runtime_install_handlers);
5823 create_helper_signature ();
5825 #define JIT_CALLS_WORK
5826 #ifdef JIT_CALLS_WORK
5827 /* Needs to be called here since register_jit_icall depends on it */
5828 mono_marshal_init ();
5830 mono_arch_register_lowlevel_calls ();
5831 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
5832 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
5833 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
5834 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
5835 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
5836 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
5837 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
5839 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
5840 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
5841 #ifdef MONO_ARCH_HAVE_THROW_EXCEPTION_BY_NAME
5842 register_icall (mono_get_throw_exception_by_name (), "mono_arch_throw_exception_by_name", "void ptr", TRUE);
5844 #if MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION
5845 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
5848 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
5849 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
5850 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
5851 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
5852 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
5855 * NOTE, NOTE, NOTE, NOTE:
5856 * when adding emulation for some opcodes, remember to also add a dummy
5857 * rule to the burg files, because we need the arity information to be correct.
5859 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
5860 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
5861 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
5862 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
5863 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
5864 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
5865 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
5866 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
5869 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
5870 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
5871 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
5872 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
5875 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
5876 mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE);
5877 mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5878 mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE);
5879 mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5880 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
5881 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5882 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
5883 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5886 #ifdef MONO_ARCH_EMULATE_MUL_DIV
5887 mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE);
5888 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
5891 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
5892 mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5893 mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5894 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5895 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5898 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
5899 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
5902 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
5903 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
5904 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
5905 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
5907 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
5908 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
5910 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
5911 mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5912 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5914 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
5915 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
5917 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
5918 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
5920 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
5921 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
5923 #ifdef MONO_ARCH_EMULATE_FREM
5924 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
5927 #ifdef MONO_ARCH_SOFT_FLOAT
5928 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
5929 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
5930 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
5931 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
5932 mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE);
5933 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
5934 mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE);
5935 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
5936 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
5937 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
5938 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
5939 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
5940 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
5941 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
5942 #if SIZEOF_VOID_P == 4
5943 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
5946 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
5947 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
5948 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
5949 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
5950 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
5951 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
5952 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
5953 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
5954 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
5955 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
5957 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
5958 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
5959 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
5960 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
5961 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
5963 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
5964 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
5965 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
5966 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
5969 #ifdef COMPRESSED_INTERFACE_BITMAP
5970 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
5973 #if SIZEOF_REGISTER == 4
5974 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
5977 /* other jit icalls */
5978 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
5979 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
5980 "ptr ptr ptr", FALSE);
5981 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
5982 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
5983 "ptr ptr ptr ptr", FALSE);
5984 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
5985 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
5986 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
5987 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
5988 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
5989 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
5990 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
5991 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
5992 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
5993 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
5994 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
5995 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
5996 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
5997 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
5998 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
5999 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
6000 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
6001 register_icall (mono_break, "mono_break", NULL, TRUE);
6002 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
6003 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
6004 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
6005 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
6006 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
6007 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
6008 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
6009 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
6012 mono_generic_sharing_init ();
6014 #ifdef MONO_ARCH_SIMD_INTRINSICS
6015 mono_simd_intrinsics_init ();
6018 #if MONO_SUPPORT_TASKLETS
6019 mono_tasklets_init ();
6022 if (mono_compile_aot)
6024 * Avoid running managed code when AOT compiling, since the platform
6025 * might only support aot-only execution.
6027 mono_runtime_set_no_exec (TRUE);
6029 #define JIT_RUNTIME_WORKS
6030 #ifdef JIT_RUNTIME_WORKS
6031 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
6032 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
6033 mono_thread_attach (domain);
6036 mono_profiler_runtime_initialized ();
6038 MONO_PROBE_VES_INIT_END ();
6043 MonoJitStats mono_jit_stats = {0};
6046 print_jit_stats (void)
6048 if (mono_jit_stats.enabled) {
6049 g_print ("Mono Jit statistics\n");
6050 g_print ("Compiled methods: %ld\n", mono_jit_stats.methods_compiled);
6051 g_print ("Methods from AOT: %ld\n", mono_jit_stats.methods_aot);
6052 g_print ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups);
6053 g_print ("Method trampolines: %ld\n", mono_jit_stats.method_trampolines);
6054 g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks);
6055 g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks);
6056 g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var);
6057 g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size);
6058 g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size);
6059 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
6060 mono_jit_stats.max_ratio_method);
6061 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
6062 mono_jit_stats.biggest_method);
6063 g_print ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs);
6064 g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size);
6065 g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods);
6066 g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods);
6067 g_print ("Regvars: %ld\n", mono_jit_stats.regvars);
6068 g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size);
6070 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
6071 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
6072 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
6073 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
6074 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
6075 g_print ("Methods: %ld\n", mono_stats.method_count);
6076 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
6077 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
6078 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
6080 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
6081 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
6082 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
6084 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
6085 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
6086 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
6088 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
6089 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
6090 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
6092 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
6093 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
6094 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
6095 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
6096 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
6097 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
6098 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
6099 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
6101 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
6102 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
6103 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
6105 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
6107 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
6109 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
6111 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
6113 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
6114 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
6115 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
6116 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
6117 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
6118 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
6119 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
6120 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
6123 g_free (mono_jit_stats.max_ratio_method);
6124 mono_jit_stats.max_ratio_method = NULL;
6125 g_free (mono_jit_stats.biggest_method);
6126 mono_jit_stats.biggest_method = NULL;
6131 mini_cleanup (MonoDomain *domain)
6133 mono_runtime_shutdown_stat_profiler ();
6136 cominterop_release_all_rcws ();
6139 #ifndef MONO_CROSS_COMPILE
6141 * mono_runtime_cleanup() and mono_domain_finalize () need to
6142 * be called early since they need the execution engine still
6143 * fully working (mono_domain_finalize may invoke managed finalizers
6144 * and mono_runtime_cleanup will wait for other threads to finish).
6146 mono_domain_finalize (domain, 2000);
6149 /* This accesses metadata so needs to be called before runtime shutdown */
6152 mono_profiler_shutdown ();
6154 #ifndef MONO_CROSS_COMPILE
6155 mono_runtime_cleanup (domain);
6158 mono_icall_cleanup ();
6160 mono_runtime_cleanup_handlers ();
6162 mono_domain_free (domain, TRUE);
6164 mono_debugger_cleanup ();
6167 mono_llvm_cleanup ();
6170 mono_trampolines_cleanup ();
6172 mono_unwind_cleanup ();
6174 if (!mono_dont_free_global_codeman)
6175 mono_code_manager_destroy (global_codeman);
6176 g_hash_table_destroy (jit_icall_name_hash);
6177 g_free (emul_opcode_map);
6178 g_free (emul_opcode_opcodes);
6180 mono_arch_cleanup ();
6184 mono_trace_cleanup ();
6186 mono_counters_dump (-1, stdout);
6188 if (mono_inject_async_exc_method)
6189 mono_method_desc_free (mono_inject_async_exc_method);
6191 TlsFree(mono_jit_tls_id);
6193 DeleteCriticalSection (&jit_mutex);
6195 DeleteCriticalSection (&mono_delegate_section);
6199 mono_set_defaults (int verbose_level, guint32 opts)
6201 mini_verbose = verbose_level;
6203 default_opt_set = TRUE;
6207 mono_disable_optimizations (guint32 opts)
6209 default_opt &= ~opts;
6213 * mono_get_runtime_build_info:
6215 * Return the runtime version + build date in string format.
6216 * The returned string is owned by the caller.
6219 mono_get_runtime_build_info (void)
6221 if (mono_build_date)
6222 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
6224 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
6228 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
6230 GHashTable *assemblies = (GHashTable*)user_data;
6231 MonoImage *image = mono_assembly_get_image (ass);
6232 MonoMethod *method, *invoke;
6235 if (g_hash_table_lookup (assemblies, ass))
6238 g_hash_table_insert (assemblies, ass, ass);
6240 if (mini_verbose > 0)
6241 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
6243 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
6244 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
6245 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
6249 if (mini_verbose > 1) {
6250 char * desc = mono_method_full_name (method, TRUE);
6251 g_print ("Compiling %d %s\n", count, desc);
6254 mono_compile_method (method);
6255 if (strcmp (method->name, "Finalize") == 0) {
6256 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6257 mono_compile_method (invoke);
6259 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
6260 invoke = mono_marshal_get_remoting_invoke_with_check (method);
6261 mono_compile_method (invoke);
6265 /* Load and precompile referenced assemblies as well */
6266 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
6267 mono_assembly_load_reference (image, i);
6268 if (image->references [i])
6269 mono_precompile_assembly (image->references [i], assemblies);
6273 void mono_precompile_assemblies ()
6275 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
6277 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
6279 g_hash_table_destroy (assemblies);
6285 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
6286 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
6290 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
6292 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
6293 hole->clause = clause;
6294 hole->start_offset = start - cfg->native_code;
6295 hole->basic_block = bb;
6297 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);