2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * (C) 2002 Ximian, Inc.
20 #ifdef HAVE_SYS_TIME_H
24 #ifdef HAVE_VALGRIND_MEMCHECK_H
25 #include <valgrind/memcheck.h>
28 #include <mono/metadata/assembly.h>
29 #include <mono/metadata/loader.h>
30 #include <mono/metadata/tabledefs.h>
31 #include <mono/metadata/class.h>
32 #include <mono/metadata/object.h>
33 #include <mono/metadata/tokentype.h>
34 #include <mono/metadata/tabledefs.h>
35 #include <mono/metadata/threads.h>
36 #include <mono/metadata/appdomain.h>
37 #include <mono/metadata/debug-helpers.h>
38 #include <mono/io-layer/io-layer.h>
39 #include "mono/metadata/profiler.h"
40 #include <mono/metadata/profiler-private.h>
41 #include <mono/metadata/mono-config.h>
42 #include <mono/metadata/environment.h>
43 #include <mono/metadata/mono-debug.h>
44 #include <mono/metadata/gc-internal.h>
45 #include <mono/metadata/threads-types.h>
46 #include <mono/metadata/verify.h>
47 #include <mono/metadata/verify-internals.h>
48 #include <mono/metadata/mempool-internals.h>
49 #include <mono/metadata/attach.h>
50 #include <mono/utils/mono-math.h>
51 #include <mono/utils/mono-compiler.h>
52 #include <mono/utils/mono-counters.h>
53 #include <mono/utils/mono-logger.h>
54 #include <mono/utils/mono-mmap.h>
55 #include <mono/utils/dtrace.h>
64 #include "jit-icalls.h"
66 #include "debug-mini.h"
68 #include "debugger-agent.h"
70 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
72 /* helper methods signature */
73 /* FIXME: Make these static again */
74 MonoMethodSignature *helper_sig_class_init_trampoline = NULL;
75 MonoMethodSignature *helper_sig_domain_get = NULL;
76 MonoMethodSignature *helper_sig_generic_class_init_trampoline = NULL;
77 MonoMethodSignature *helper_sig_rgctx_lazy_fetch_trampoline = NULL;
78 MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline = 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
118 * defaults to FALSE if ENABLE_LLVM is not defined, i.e. the runtime is only capable of
119 * running AOT code compiled by LLVM.
120 * Changes when this flag is set include:
121 * - a per method vtable trampoline is used to handle virtual calls, instead of only
123 * - fast generic virtual calls are not supported.
126 gboolean mono_use_llvm = TRUE;
128 gboolean mono_use_llvm = FALSE;
131 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
132 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
133 static CRITICAL_SECTION jit_mutex;
135 static MonoCodeManager *global_codeman = NULL;
137 /* FIXME: Make this static again */
138 GHashTable *jit_icall_name_hash = NULL;
140 static MonoDebugOptions debug_options;
142 #ifdef VALGRIND_JIT_REGISTER_MAP
143 static int valgrind_register = 0;
147 * Table written to by the debugger with a 1-based index into the
148 * mono_breakpoint_info table, which contains changes made to
149 * the JIT instructions by the debugger.
152 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
154 /* Whenever to check for pending exceptions in managed-to-native wrappers */
155 gboolean check_for_pending_exc = TRUE;
157 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
158 gboolean disable_vtypes_in_regs = FALSE;
160 gboolean mono_dont_free_global_codeman;
163 mono_running_on_valgrind (void)
165 #ifdef HAVE_VALGRIND_MEMCHECK_H
166 if (RUNNING_ON_VALGRIND){
167 #ifdef VALGRIND_JIT_REGISTER_MAP
168 valgrind_register = TRUE;
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 FindTrampUserData user_data;
269 ji = mini_jit_info_table_find (domain, ip, &domain);
272 user_data.method = NULL;
273 mono_domain_lock (domain);
274 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
275 mono_domain_unlock (domain);
276 if (user_data.method) {
277 char *mname = mono_method_full_name (user_data.method, TRUE);
278 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
282 g_print ("No method at %p\n", ip);
285 method = mono_method_full_name (ji->method, TRUE);
286 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
288 g_print ("IP %p at offset 0x%x of method %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), method, ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
291 g_print ("%s:%d\n", source->source_file, source->row);
293 mono_debug_free_source_location (source);
298 * mono_method_same_domain:
300 * Determine whenever two compiled methods are in the same domain, thus
301 * the address of the callee can be embedded in the caller.
303 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
305 if (!caller || !callee)
309 * If the call was made from domain-neutral to domain-specific
310 * code, we can't patch the call site.
312 if (caller->domain_neutral && !callee->domain_neutral)
315 if ((caller->method->klass == mono_defaults.appdomain_class) &&
316 (strstr (caller->method->name, "InvokeInDomain"))) {
317 /* The InvokeInDomain methods change the current appdomain */
325 * mono_global_codeman_reserve:
327 * Allocate code memory from the global code manager.
329 void *mono_global_codeman_reserve (int size)
334 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
336 if (!global_codeman) {
337 /* This can happen during startup */
338 global_codeman = mono_code_manager_new ();
339 return mono_code_manager_reserve (global_codeman, size);
343 ptr = mono_code_manager_reserve (global_codeman, size);
350 * mono_create_unwind_op:
352 * Create an unwind op with the given parameters.
355 mono_create_unwind_op (int when, int tag, int reg, int val)
357 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
368 * mono_emit_unwind_op:
370 * Add an unwind op with the given parameters for the list of unwind ops stored in
374 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
376 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
383 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
387 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
389 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
392 res->has_context = context != NULL;
394 memcpy (&res->context, context, sizeof (MonoGenericContext));
400 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
402 return mono_jump_info_token_new2 (mp, image, token, NULL);
405 #define MONO_INIT_VARINFO(vi,id) do { \
406 (vi)->range.first_use.pos.bid = 0xffff; \
412 * mono_unlink_bblock:
414 * Unlink two basic blocks.
417 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
423 for (i = 0; i < from->out_count; ++i) {
424 if (to == from->out_bb [i]) {
431 for (i = 0; i < from->out_count; ++i) {
432 if (from->out_bb [i] != to)
433 from->out_bb [pos ++] = from->out_bb [i];
435 g_assert (pos == from->out_count - 1);
440 for (i = 0; i < to->in_count; ++i) {
441 if (from == to->in_bb [i]) {
448 for (i = 0; i < to->in_count; ++i) {
449 if (to->in_bb [i] != from)
450 to->in_bb [pos ++] = to->in_bb [i];
452 g_assert (pos == to->in_count - 1);
458 * mono_bblocks_linked:
460 * Return whenever BB1 and BB2 are linked in the CFG.
463 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
467 for (i = 0; i < bb1->out_count; ++i) {
468 if (bb1->out_bb [i] == bb2)
476 mono_find_block_region_notry (MonoCompile *cfg, int offset)
478 MonoMethod *method = cfg->method;
479 MonoMethodHeader *header = mono_method_get_header (method);
480 MonoExceptionClause *clause;
483 for (i = 0; i < header->num_clauses; ++i) {
484 clause = &header->clauses [i];
485 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
486 (offset < (clause->handler_offset)))
487 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
489 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
490 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
491 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
492 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
493 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
495 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
503 mono_find_spvar_for_region (MonoCompile *cfg, int region)
505 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
506 MonoMethodHeader *header = mono_method_get_header (cfg->method);
509 * This can happen if a try clause is nested inside a finally clause.
511 int clause_index = (region >> 8) - 1;
512 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
514 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
517 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
521 mono_find_exvar_for_offset (MonoCompile *cfg, int offset)
523 return g_hash_table_lookup (cfg->exvars, GINT_TO_POINTER (offset));
527 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
531 array [*dfn] = start;
532 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
533 for (i = 0; i < start->out_count; ++i) {
534 if (start->out_bb [i]->dfn)
537 start->out_bb [i]->dfn = *dfn;
538 start->out_bb [i]->df_parent = start;
539 array [*dfn] = start->out_bb [i];
540 df_visit (start->out_bb [i], dfn, array);
545 mono_reverse_branch_op (guint32 opcode)
547 static const int reverse_map [] = {
548 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
549 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
551 static const int reverse_fmap [] = {
552 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
553 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
555 static const int reverse_lmap [] = {
556 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
557 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
559 static const int reverse_imap [] = {
560 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
561 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
564 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
565 opcode = reverse_map [opcode - CEE_BEQ];
566 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
567 opcode = reverse_fmap [opcode - OP_FBEQ];
568 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
569 opcode = reverse_lmap [opcode - OP_LBEQ];
570 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
571 opcode = reverse_imap [opcode - OP_IBEQ];
573 g_assert_not_reached ();
579 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
582 return OP_STORE_MEMBASE_REG;
585 switch (type->type) {
588 case MONO_TYPE_BOOLEAN:
589 return OP_STOREI1_MEMBASE_REG;
593 return OP_STOREI2_MEMBASE_REG;
596 return OP_STOREI4_MEMBASE_REG;
600 case MONO_TYPE_FNPTR:
601 return OP_STORE_MEMBASE_REG;
602 case MONO_TYPE_CLASS:
603 case MONO_TYPE_STRING:
604 case MONO_TYPE_OBJECT:
605 case MONO_TYPE_SZARRAY:
606 case MONO_TYPE_ARRAY:
607 return OP_STORE_MEMBASE_REG;
610 return OP_STOREI8_MEMBASE_REG;
612 return OP_STORER4_MEMBASE_REG;
614 return OP_STORER8_MEMBASE_REG;
615 case MONO_TYPE_VALUETYPE:
616 if (type->data.klass->enumtype) {
617 type = mono_class_enum_basetype (type->data.klass);
620 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
621 return OP_STOREX_MEMBASE;
622 return OP_STOREV_MEMBASE;
623 case MONO_TYPE_TYPEDBYREF:
624 return OP_STOREV_MEMBASE;
625 case MONO_TYPE_GENERICINST:
626 type = &type->data.generic_class->container_class->byval_arg;
630 /* FIXME: all the arguments must be references for now,
631 * later look inside cfg and see if the arg num is
634 g_assert (cfg->generic_sharing_context);
635 return OP_STORE_MEMBASE_REG;
637 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
643 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
646 return OP_LOAD_MEMBASE;
648 switch (mono_type_get_underlying_type (type)->type) {
650 return OP_LOADI1_MEMBASE;
652 case MONO_TYPE_BOOLEAN:
653 return OP_LOADU1_MEMBASE;
655 return OP_LOADI2_MEMBASE;
658 return OP_LOADU2_MEMBASE;
660 return OP_LOADI4_MEMBASE;
662 return OP_LOADU4_MEMBASE;
666 case MONO_TYPE_FNPTR:
667 return OP_LOAD_MEMBASE;
668 case MONO_TYPE_CLASS:
669 case MONO_TYPE_STRING:
670 case MONO_TYPE_OBJECT:
671 case MONO_TYPE_SZARRAY:
672 case MONO_TYPE_ARRAY:
673 return OP_LOAD_MEMBASE;
676 return OP_LOADI8_MEMBASE;
678 return OP_LOADR4_MEMBASE;
680 return OP_LOADR8_MEMBASE;
681 case MONO_TYPE_VALUETYPE:
682 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
683 return OP_LOADX_MEMBASE;
684 case MONO_TYPE_TYPEDBYREF:
685 return OP_LOADV_MEMBASE;
686 case MONO_TYPE_GENERICINST:
687 if (mono_type_generic_inst_is_valuetype (type))
688 return OP_LOADV_MEMBASE;
690 return OP_LOAD_MEMBASE;
694 /* FIXME: all the arguments must be references for now,
695 * later look inside cfg and see if the arg num is
698 g_assert (cfg->generic_sharing_context);
699 return OP_LOAD_MEMBASE;
701 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
707 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
709 if (cfg->generic_sharing_context && !type->byref) {
710 /* FIXME: all the arguments must be references for now,
711 * later look inside cfg and see if the arg num is
714 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
715 return CEE_LDIND_REF;
717 return mono_type_to_ldind (type);
721 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
723 if (cfg->generic_sharing_context && !type->byref) {
724 /* FIXME: all the arguments must be references for now,
725 * later look inside cfg and see if the arg num is
728 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
729 return CEE_STIND_REF;
731 return mono_type_to_stind (type);
735 mono_op_imm_to_op (int opcode)
739 #if SIZEOF_REGISTER == 4
755 #if SIZEOF_REGISTER == 4
761 #if SIZEOF_REGISTER == 4
767 #if SIZEOF_REGISTER == 4
805 #if SIZEOF_REGISTER == 4
811 #if SIZEOF_REGISTER == 4
830 case OP_ICOMPARE_IMM:
832 case OP_LOCALLOC_IMM:
835 printf ("%s\n", mono_inst_name (opcode));
836 g_assert_not_reached ();
842 * mono_decompose_op_imm:
844 * Replace the OP_.._IMM INS with its non IMM variant.
847 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
851 MONO_INST_NEW (cfg, temp, OP_ICONST);
852 temp->inst_c0 = ins->inst_imm;
853 temp->dreg = mono_alloc_ireg (cfg);
854 mono_bblock_insert_before_ins (bb, ins, temp);
855 ins->opcode = mono_op_imm_to_op (ins->opcode);
856 if (ins->opcode == OP_LOCALLOC)
857 ins->sreg1 = temp->dreg;
859 ins->sreg2 = temp->dreg;
861 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
865 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
867 if (vreg >= cfg->vreg_to_inst_len) {
868 MonoInst **tmp = cfg->vreg_to_inst;
869 int size = cfg->vreg_to_inst_len;
871 while (vreg >= cfg->vreg_to_inst_len)
872 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
873 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
875 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
877 cfg->vreg_to_inst [vreg] = inst;
880 #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)))
881 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
886 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
894 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
897 int num = cfg->num_varinfo;
900 if ((num + 1) >= cfg->varinfo_count) {
901 int orig_count = cfg->varinfo_count;
902 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
903 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
904 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
905 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
908 mono_jit_stats.allocate_var++;
910 MONO_INST_NEW (cfg, inst, opcode);
912 inst->inst_vtype = type;
913 inst->klass = mono_class_from_mono_type (type);
914 type_to_eval_stack_type (cfg, type, inst);
915 /* if set to 1 the variable is native */
916 inst->backend.is_pinvoke = 0;
919 cfg->varinfo [num] = inst;
921 MONO_INIT_VARINFO (&cfg->vars [num], num);
922 MONO_VARINFO (cfg, num)->vreg = vreg;
925 set_vreg_to_inst (cfg, vreg, inst);
927 #if SIZEOF_REGISTER == 4
928 #ifdef MONO_ARCH_SOFT_FLOAT
929 regpair = mono_type_is_long (type) || mono_type_is_float (type);
931 regpair = mono_type_is_long (type);
941 * These two cannot be allocated using create_var_for_vreg since that would
942 * put it into the cfg->varinfo array, confusing many parts of the JIT.
946 * Set flags to VOLATILE so SSA skips it.
949 if (cfg->verbose_level >= 4) {
950 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
953 #ifdef MONO_ARCH_SOFT_FLOAT
954 if (cfg->opt & MONO_OPT_SSA) {
955 if (mono_type_is_float (type))
956 inst->flags = MONO_INST_VOLATILE;
960 /* Allocate a dummy MonoInst for the first vreg */
961 MONO_INST_NEW (cfg, tree, OP_LOCAL);
962 tree->dreg = inst->dreg + 1;
963 if (cfg->opt & MONO_OPT_SSA)
964 tree->flags = MONO_INST_VOLATILE;
966 tree->type = STACK_I4;
967 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
968 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
970 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
972 /* Allocate a dummy MonoInst for the second vreg */
973 MONO_INST_NEW (cfg, tree, OP_LOCAL);
974 tree->dreg = inst->dreg + 2;
975 if (cfg->opt & MONO_OPT_SSA)
976 tree->flags = MONO_INST_VOLATILE;
978 tree->type = STACK_I4;
979 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
980 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
982 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
986 if (cfg->verbose_level > 2)
987 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
992 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
996 if (mono_type_is_long (type))
997 dreg = mono_alloc_dreg (cfg, STACK_I8);
998 #ifdef MONO_ARCH_SOFT_FLOAT
999 else if (mono_type_is_float (type))
1000 dreg = mono_alloc_dreg (cfg, STACK_R8);
1003 /* All the others are unified */
1004 dreg = mono_alloc_preg (cfg);
1006 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1010 * Transform a MonoInst into a load from the variable of index var_index.
1013 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1014 memset (dest, 0, sizeof (MonoInst));
1015 dest->inst_i0 = cfg->varinfo [var_index];
1016 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1017 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1018 dest->klass = dest->inst_i0->klass;
1024 type_from_stack_type (MonoInst *ins) {
1025 switch (ins->type) {
1026 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1027 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1028 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1029 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1032 * this if used to be commented without any specific reason, but
1033 * it breaks #80235 when commented
1036 return &ins->klass->this_arg;
1038 return &mono_defaults.object_class->this_arg;
1040 /* ins->klass may not be set for ldnull.
1041 * Also, if we have a boxed valuetype, we want an object lass,
1042 * not the valuetype class
1044 if (ins->klass && !ins->klass->valuetype)
1045 return &ins->klass->byval_arg;
1046 return &mono_defaults.object_class->byval_arg;
1047 case STACK_VTYPE: return &ins->klass->byval_arg;
1049 g_error ("stack type %d to montype not handled\n", ins->type);
1055 mono_type_from_stack_type (MonoInst *ins) {
1056 return type_from_stack_type (ins);
1060 * mono_add_ins_to_end:
1062 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1065 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1070 MONO_ADD_INS (bb, inst);
1074 switch (bb->last_ins->opcode) {
1088 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1091 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1092 /* Need to insert the ins before the compare */
1093 if (bb->code == bb->last_ins) {
1094 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1098 if (bb->code->next == bb->last_ins) {
1099 /* Only two instructions */
1100 opcode = bb->code->opcode;
1102 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)) {
1104 mono_bblock_insert_before_ins (bb, bb->code, inst);
1106 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1109 opcode = bb->last_ins->prev->opcode;
1111 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)) {
1113 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1115 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1120 MONO_ADD_INS (bb, inst);
1126 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1128 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1129 MonoJumpInfoBBTable *table;
1131 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1133 table->table_size = num_blocks;
1135 ji->ip.label = label;
1136 ji->type = MONO_PATCH_INFO_SWITCH;
1137 ji->data.table = table;
1138 ji->next = cfg->patch_info;
1139 cfg->patch_info = ji;
1142 static MonoMethodSignature *
1143 mono_get_array_new_va_signature (int arity)
1145 static GHashTable *sighash = NULL;
1146 MonoMethodSignature *res;
1151 sighash = g_hash_table_new (NULL, NULL);
1153 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1158 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1161 #ifdef MONO_ARCH_VARARG_ICALLS
1162 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1163 res->call_convention = MONO_CALL_VARARG;
1167 res->call_convention = MONO_CALL_C;
1170 res->params [0] = &mono_defaults.int_class->byval_arg;
1171 for (i = 0; i < arity; i++)
1172 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1174 res->ret = &mono_defaults.object_class->byval_arg;
1176 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1183 mono_get_array_new_va_icall (int rank)
1185 MonoMethodSignature *esig;
1186 char icall_name [256];
1188 MonoJitICallInfo *info;
1190 /* Need to register the icall so it gets an icall wrapper */
1191 sprintf (icall_name, "ves_array_new_va_%d", rank);
1194 info = mono_find_jit_icall_by_name (icall_name);
1196 esig = mono_get_array_new_va_signature (rank);
1197 name = g_strdup (icall_name);
1198 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1200 g_hash_table_insert (jit_icall_name_hash, name, name);
1208 mini_class_is_system_array (MonoClass *klass)
1210 if (klass->parent == mono_defaults.array_class)
1216 static MonoJitICallInfo **emul_opcode_map = NULL;
1219 mono_find_jit_opcode_emulation (int opcode)
1221 g_assert (opcode >= 0 && opcode <= OP_LAST);
1222 if (emul_opcode_map)
1223 return emul_opcode_map [opcode];
1229 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1231 MonoAssembly *assembly = method->klass->image->assembly;
1232 if (method->wrapper_type != MONO_WRAPPER_NONE)
1234 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1236 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1238 return mono_assembly_has_skip_verification (assembly);
1242 * mini_method_verify:
1244 * Verify the method using the new verfier.
1246 * Returns true if the method is invalid.
1249 mini_method_verify (MonoCompile *cfg, MonoMethod *method)
1252 gboolean is_fulltrust;
1253 MonoLoaderError *error;
1255 if (method->verification_success)
1258 is_fulltrust = mono_verifier_is_method_full_trust (method);
1260 if (!mono_verifier_is_enabled_for_method (method))
1263 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility);
1265 if ((error = mono_loader_get_last_error ())) {
1266 cfg->exception_type = error->exception_type;
1268 mono_free_verify_list (res);
1273 for (tmp = res; tmp; tmp = tmp->next) {
1274 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1275 if (info->info.status == MONO_VERIFY_ERROR) {
1276 cfg->exception_type = info->exception_type;
1277 cfg->exception_message = g_strdup (info->info.message);
1278 mono_free_verify_list (res);
1281 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1282 cfg->exception_type = info->exception_type;
1283 cfg->exception_message = g_strdup (info->info.message);
1284 mono_free_verify_list (res);
1288 mono_free_verify_list (res);
1290 method->verification_success = 1;
1295 create_helper_signature (void)
1297 helper_sig_domain_get = mono_create_icall_signature ("ptr");
1298 helper_sig_class_init_trampoline = mono_create_icall_signature ("void");
1299 helper_sig_generic_class_init_trampoline = mono_create_icall_signature ("void");
1300 helper_sig_rgctx_lazy_fetch_trampoline = mono_create_icall_signature ("ptr ptr");
1301 helper_sig_monitor_enter_exit_trampoline = mono_create_icall_signature ("void");
1304 static gconstpointer
1305 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1308 MonoMethod *wrapper;
1309 gconstpointer trampoline;
1310 MonoDomain *domain = mono_get_root_domain ();
1312 if (callinfo->wrapper) {
1313 return callinfo->wrapper;
1316 if (callinfo->trampoline)
1317 return callinfo->trampoline;
1320 * We use the lock on the root domain instead of the JIT lock to protect
1321 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1323 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1324 mono_domain_lock (domain);
1326 if (callinfo->trampoline) {
1327 mono_domain_unlock (domain);
1328 mono_loader_unlock ();
1329 return callinfo->trampoline;
1332 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1333 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1337 trampoline = mono_compile_method (wrapper);
1339 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1340 mono_register_jit_icall_wrapper (callinfo, trampoline);
1342 callinfo->trampoline = trampoline;
1344 mono_domain_unlock (domain);
1345 mono_loader_unlock ();
1347 return callinfo->trampoline;
1351 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1353 return mono_icall_get_wrapper_full (callinfo, FALSE);
1357 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1359 if (!domain_jit_info (domain)->dynamic_code_hash)
1360 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1361 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1364 static MonoJitDynamicMethodInfo*
1365 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1367 MonoJitDynamicMethodInfo *res;
1369 if (domain_jit_info (domain)->dynamic_code_hash)
1370 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1378 GList *active, *inactive;
1383 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1385 MonoMethodVar *v1 = (MonoMethodVar*)a;
1386 MonoMethodVar *v2 = (MonoMethodVar*)b;
1390 else if (v1->interval->range && v2->interval->range)
1391 return v1->interval->range->from - v2->interval->range->from;
1392 else if (v1->interval->range)
1401 #define LSCAN_DEBUG(a) do { a; } while (0)
1403 #define LSCAN_DEBUG(a)
1407 mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1409 int i, slot, offset, size;
1414 GList *vars = NULL, *l, *unhandled;
1415 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1419 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1421 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1422 vtype_stack_slots = NULL;
1425 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1426 for (i = 0; i < cfg->num_varinfo; ++i)
1429 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1430 inst = cfg->varinfo [i];
1431 vmv = MONO_VARINFO (cfg, i);
1433 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1436 vars = g_list_prepend (vars, vmv);
1439 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1444 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1445 MonoMethodVar *current = unhandled->data;
1447 if (current->interval->range) {
1448 g_assert (current->interval->range->from >= i);
1449 i = current->interval->range->from;
1456 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1457 MonoMethodVar *current = unhandled->data;
1460 inst = cfg->varinfo [vmv->idx];
1462 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1463 * pinvoke wrappers when they call functions returning structures */
1464 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1465 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1470 size = mono_type_size (inst->inst_vtype, &ialign);
1474 t = mono_type_get_underlying_type (inst->inst_vtype);
1476 case MONO_TYPE_GENERICINST:
1477 if (!mono_type_generic_inst_is_valuetype (t)) {
1478 slot_info = &scalar_stack_slots [t->type];
1482 case MONO_TYPE_VALUETYPE:
1483 if (!vtype_stack_slots)
1484 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1485 for (i = 0; i < nvtypes; ++i)
1486 if (t->data.klass == vtype_stack_slots [i].vtype)
1489 slot_info = &vtype_stack_slots [i];
1491 g_assert (nvtypes < 256);
1492 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1493 slot_info = &vtype_stack_slots [nvtypes];
1501 #if SIZEOF_REGISTER == 4
1507 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1513 case MONO_TYPE_CLASS:
1514 case MONO_TYPE_OBJECT:
1515 case MONO_TYPE_ARRAY:
1516 case MONO_TYPE_SZARRAY:
1517 case MONO_TYPE_STRING:
1518 /* Share non-float stack slots of the same size */
1519 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1523 slot_info = &scalar_stack_slots [t->type];
1527 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1531 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1533 if (!current->interval->range) {
1534 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1538 inst->flags |= MONO_INST_IS_DEAD;
1543 pos = current->interval->range->from;
1545 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1546 if (current->interval->range)
1547 LSCAN_DEBUG (mono_linterval_print (current->interval));
1548 LSCAN_DEBUG (printf ("\n"));
1550 /* Check for intervals in active which expired or inactive */
1552 /* FIXME: Optimize this */
1555 for (l = slot_info->active; l != NULL; l = l->next) {
1556 MonoMethodVar *v = (MonoMethodVar*)l->data;
1558 if (v->interval->last_range->to < pos) {
1559 slot_info->active = g_list_delete_link (slot_info->active, l);
1560 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1561 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1565 else if (!mono_linterval_covers (v->interval, pos)) {
1566 slot_info->inactive = g_list_append (slot_info->inactive, v);
1567 slot_info->active = g_list_delete_link (slot_info->active, l);
1568 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1575 /* Check for intervals in inactive which expired or active */
1577 /* FIXME: Optimize this */
1580 for (l = slot_info->inactive; l != NULL; l = l->next) {
1581 MonoMethodVar *v = (MonoMethodVar*)l->data;
1583 if (v->interval->last_range->to < pos) {
1584 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1585 // FIXME: Enabling this seems to cause impossible to debug crashes
1586 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1587 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1591 else if (mono_linterval_covers (v->interval, pos)) {
1592 slot_info->active = g_list_append (slot_info->active, v);
1593 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1594 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1602 * This also handles the case when the variable is used in an
1603 * exception region, as liveness info is not computed there.
1606 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1609 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1610 if (slot_info->slots) {
1611 slot = GPOINTER_TO_INT (slot_info->slots->data);
1613 slot_info->slots = slot_info->slots->next;
1616 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1618 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1624 static int count = 0;
1627 if (count == atoi (getenv ("COUNT3")))
1628 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1629 if (count > atoi (getenv ("COUNT3")))
1632 mono_print_ins (inst);
1637 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1639 if (slot == 0xffffff) {
1641 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1642 * efficient copying (and to work around the fact that OP_MEMCPY
1643 * and OP_MEMSET ignores alignment).
1645 if (MONO_TYPE_ISSTRUCT (t))
1646 align = MAX (sizeof (gpointer), mono_class_min_align (mono_class_from_mono_type (t)));
1650 offset += align - 1;
1651 offset &= ~(align - 1);
1655 offset += align - 1;
1656 offset &= ~(align - 1);
1661 if (*stack_align == 0)
1662 *stack_align = align;
1665 offsets [vmv->idx] = slot;
1668 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1669 if (scalar_stack_slots [i].active)
1670 g_list_free (scalar_stack_slots [i].active);
1672 for (i = 0; i < nvtypes; ++i) {
1673 if (vtype_stack_slots [i].active)
1674 g_list_free (vtype_stack_slots [i].active);
1677 mono_jit_stats.locals_stack_size += offset;
1679 *stack_size = offset;
1684 * mono_allocate_stack_slots_full:
1686 * Allocate stack slots for all non register allocated variables using a
1687 * linear scan algorithm.
1688 * Returns: an array of stack offsets.
1689 * STACK_SIZE is set to the amount of stack space needed.
1690 * STACK_ALIGN is set to the alignment needed by the locals area.
1693 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1695 int i, slot, offset, size;
1700 GList *vars = NULL, *l;
1701 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1705 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1706 return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
1708 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1709 vtype_stack_slots = NULL;
1712 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1713 for (i = 0; i < cfg->num_varinfo; ++i)
1716 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1717 inst = cfg->varinfo [i];
1718 vmv = MONO_VARINFO (cfg, i);
1720 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1723 vars = g_list_prepend (vars, vmv);
1726 vars = mono_varlist_sort (cfg, vars, 0);
1728 *stack_align = sizeof (gpointer);
1729 for (l = vars; l; l = l->next) {
1731 inst = cfg->varinfo [vmv->idx];
1733 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1734 * pinvoke wrappers when they call functions returning structures */
1735 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1736 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1740 size = mono_type_size (inst->inst_vtype, &ialign);
1744 t = mono_type_get_underlying_type (inst->inst_vtype);
1746 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1749 case MONO_TYPE_GENERICINST:
1750 if (!mono_type_generic_inst_is_valuetype (t)) {
1751 slot_info = &scalar_stack_slots [t->type];
1755 case MONO_TYPE_VALUETYPE:
1756 if (!vtype_stack_slots)
1757 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1758 for (i = 0; i < nvtypes; ++i)
1759 if (t->data.klass == vtype_stack_slots [i].vtype)
1762 slot_info = &vtype_stack_slots [i];
1764 g_assert (nvtypes < 256);
1765 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1766 slot_info = &vtype_stack_slots [nvtypes];
1774 #if SIZEOF_REGISTER == 4
1780 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1786 case MONO_TYPE_CLASS:
1787 case MONO_TYPE_OBJECT:
1788 case MONO_TYPE_ARRAY:
1789 case MONO_TYPE_SZARRAY:
1790 case MONO_TYPE_STRING:
1791 /* Share non-float stack slots of the same size */
1792 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1796 slot_info = &scalar_stack_slots [t->type];
1801 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1802 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1804 /* expire old intervals in active */
1805 while (slot_info->active) {
1806 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
1808 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
1811 //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);
1813 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
1814 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
1818 * This also handles the case when the variable is used in an
1819 * exception region, as liveness info is not computed there.
1822 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1825 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1826 if (slot_info->slots) {
1827 slot = GPOINTER_TO_INT (slot_info->slots->data);
1829 slot_info->slots = slot_info->slots->next;
1832 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1837 static int count = 0;
1841 if (count == atoi (getenv ("COUNT")))
1842 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1843 if (count > atoi (getenv ("COUNT")))
1846 mono_print_ins (inst);
1851 if (cfg->disable_reuse_stack_slots)
1854 if (slot == 0xffffff) {
1856 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1857 * efficient copying (and to work around the fact that OP_MEMCPY
1858 * and OP_MEMSET ignores alignment).
1860 if (MONO_TYPE_ISSTRUCT (t)) {
1861 align = MAX (sizeof (gpointer), mono_class_min_align (mono_class_from_mono_type (t)));
1863 * Align the size too so the code generated for passing vtypes in
1864 * registers doesn't overwrite random locals.
1866 size = (size + (align - 1)) & ~(align -1);
1871 offset += align - 1;
1872 offset &= ~(align - 1);
1876 offset += align - 1;
1877 offset &= ~(align - 1);
1882 *stack_align = MAX (*stack_align, align);
1885 offsets [vmv->idx] = slot;
1888 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1889 if (scalar_stack_slots [i].active)
1890 g_list_free (scalar_stack_slots [i].active);
1892 for (i = 0; i < nvtypes; ++i) {
1893 if (vtype_stack_slots [i].active)
1894 g_list_free (vtype_stack_slots [i].active);
1897 mono_jit_stats.locals_stack_size += offset;
1899 *stack_size = offset;
1906 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1908 g_assert_not_reached ();
1912 #endif /* DISABLE_JIT */
1915 mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align)
1917 return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align);
1921 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
1923 MonoJitICallInfo *info;
1924 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
1926 if (!emul_opcode_map)
1927 emul_opcode_map = g_new0 (MonoJitICallInfo*, OP_LAST + 1);
1929 g_assert (!sig->hasthis);
1930 g_assert (sig->param_count < 3);
1932 info = mono_register_jit_icall (func, name, sig, no_throw);
1934 emul_opcode_map [opcode] = info;
1938 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
1940 MonoMethodSignature *sig;
1943 sig = mono_create_icall_signature (sigstr);
1947 mono_register_jit_icall (func, name, sig, save);
1951 print_dfn (MonoCompile *cfg) {
1957 g_print ("IR code for method %s\n", mono_method_full_name (cfg->method, TRUE));
1959 for (i = 0; i < cfg->num_bblocks; ++i) {
1960 bb = cfg->bblocks [i];
1961 /*if (bb->cil_code) {
1962 char* code1, *code2;
1963 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
1964 if (bb->last_ins->cil_code)
1965 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
1967 code2 = g_strdup ("");
1969 code1 [strlen (code1) - 1] = 0;
1970 code = g_strdup_printf ("%s -> %s", code1, code2);
1974 code = g_strdup ("\n");
1975 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
1976 MONO_BB_FOR_EACH_INS (bb, c) {
1977 mono_print_ins_index (-1, c);
1980 g_print ("\tprev:");
1981 for (j = 0; j < bb->in_count; ++j) {
1982 g_print (" BB%d", bb->in_bb [j]->block_num);
1984 g_print ("\t\tsucc:");
1985 for (j = 0; j < bb->out_count; ++j) {
1986 g_print (" BB%d", bb->out_bb [j]->block_num);
1988 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
1991 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
1994 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
1996 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2004 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2006 MONO_ADD_INS (bb, inst);
2010 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2014 bb->code = ins_to_insert;
2016 /* Link with next */
2017 ins_to_insert->next = ins;
2019 ins->prev = ins_to_insert;
2021 if (bb->last_ins == NULL)
2022 bb->last_ins = ins_to_insert;
2024 /* Link with next */
2025 ins_to_insert->next = ins->next;
2027 ins->next->prev = ins_to_insert;
2029 /* Link with previous */
2030 ins->next = ins_to_insert;
2031 ins_to_insert->prev = ins;
2033 if (bb->last_ins == ins)
2034 bb->last_ins = ins_to_insert;
2039 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2043 bb->code = ins_to_insert;
2044 ins_to_insert->next = ins;
2045 if (bb->last_ins == NULL)
2046 bb->last_ins = ins_to_insert;
2048 /* Link with previous */
2050 ins->prev->next = ins_to_insert;
2051 ins_to_insert->prev = ins->prev;
2053 /* Link with next */
2054 ins->prev = ins_to_insert;
2055 ins_to_insert->next = ins;
2057 if (bb->code == ins)
2058 bb->code = ins_to_insert;
2063 * mono_verify_bblock:
2065 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2068 mono_verify_bblock (MonoBasicBlock *bb)
2070 MonoInst *ins, *prev;
2073 for (ins = bb->code; ins; ins = ins->next) {
2074 g_assert (ins->prev == prev);
2078 g_assert (!bb->last_ins->next);
2084 * Perform consistency checks on the JIT data structures and the IR
2087 mono_verify_cfg (MonoCompile *cfg)
2091 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2092 mono_verify_bblock (bb);
2096 mono_destroy_compile (MonoCompile *cfg)
2098 //mono_mempool_stats (cfg->mempool);
2099 mono_free_loop_info (cfg);
2101 mono_regstate_free (cfg->rs);
2103 g_hash_table_destroy (cfg->spvars);
2105 g_hash_table_destroy (cfg->exvars);
2106 mono_mempool_destroy (cfg->mempool);
2107 g_list_free (cfg->ldstr_list);
2108 g_hash_table_destroy (cfg->token_info_hash);
2109 if (cfg->abs_patches)
2110 g_hash_table_destroy (cfg->abs_patches);
2112 g_free (cfg->varinfo);
2114 g_free (cfg->exception_message);
2118 #ifdef HAVE_KW_THREAD
2119 static __thread gpointer mono_lmf_addr MONO_TLS_FAST;
2120 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2122 * When this is defined, the current lmf is stored in this tls variable instead of in
2125 static __thread gpointer mono_lmf MONO_TLS_FAST;
2130 mono_get_jit_tls_key (void)
2132 return mono_jit_tls_id;
2136 mono_get_jit_tls_offset (void)
2138 #ifdef HAVE_KW_THREAD
2140 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2148 mono_get_lmf_tls_offset (void)
2150 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2152 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2160 mono_get_lmf_addr_tls_offset (void)
2163 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2170 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2173 MonoJitTlsData *jit_tls;
2175 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2176 return jit_tls->lmf;
2178 g_assert_not_reached ();
2184 mono_get_lmf_addr (void)
2186 #ifdef HAVE_KW_THREAD
2187 return mono_lmf_addr;
2189 MonoJitTlsData *jit_tls;
2191 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2192 return &jit_tls->lmf;
2195 * When resolving the call to mono_jit_thread_attach full-aot will look
2196 * in the plt, which causes a call into the generic trampoline, which in turn
2197 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2198 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2199 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2202 mono_jit_thread_attach (NULL);
2204 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2205 return &jit_tls->lmf;
2207 g_assert_not_reached ();
2213 mono_set_lmf (MonoLMF *lmf)
2215 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2219 (*mono_get_lmf_addr ()) = lmf;
2222 /* Called by native->managed wrappers */
2224 mono_jit_thread_attach (MonoDomain *domain)
2228 * Happens when called from AOTed code which is only used in the root
2231 domain = mono_get_root_domain ();
2233 #ifdef HAVE_KW_THREAD
2234 if (!mono_lmf_addr) {
2235 mono_thread_attach (domain);
2238 if (!TlsGetValue (mono_jit_tls_id))
2239 mono_thread_attach (domain);
2241 if (mono_domain_get () != domain)
2242 mono_domain_set (domain, TRUE);
2246 * mono_thread_abort:
2247 * @obj: exception object
2249 * abort the thread, print exception information and stack trace
2252 mono_thread_abort (MonoObject *obj)
2254 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2256 /* handle_remove should be eventually called for this thread, too
2259 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2260 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2261 mono_thread_exit ();
2263 exit (mono_environment_exitcode_get ());
2268 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2270 MonoJitTlsData *jit_tls;
2273 jit_tls = TlsGetValue (mono_jit_tls_id);
2277 jit_tls = g_new0 (MonoJitTlsData, 1);
2279 TlsSetValue (mono_jit_tls_id, jit_tls);
2281 #ifdef HAVE_KW_THREAD
2282 mono_jit_tls = jit_tls;
2285 jit_tls->abort_func = abort_func;
2286 jit_tls->end_of_stack = stack_start;
2288 lmf = g_new0 (MonoLMF, 1);
2289 #ifdef MONO_ARCH_INIT_TOP_LMF_ENTRY
2290 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2295 jit_tls->first_lmf = lmf;
2297 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2298 /* jit_tls->lmf is unused */
2300 mono_lmf_addr = &mono_lmf;
2302 #if defined(HAVE_KW_THREAD)
2303 mono_lmf_addr = &jit_tls->lmf;
2309 mono_arch_setup_jit_tls_data (jit_tls);
2310 mono_setup_altstack (jit_tls);
2316 mono_thread_start_cb (gsize tid, gpointer stack_start, gpointer func)
2318 MonoInternalThread *thread;
2319 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2320 thread = mono_thread_internal_current ();
2321 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2323 thread->jit_data = jit_tls;
2326 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2329 mono_thread_abort_dummy (MonoObject *obj)
2331 if (mono_thread_attach_aborted_cb)
2332 mono_thread_attach_aborted_cb (obj);
2334 mono_thread_abort (obj);
2338 mono_thread_attach_cb (gsize tid, gpointer stack_start)
2340 MonoInternalThread *thread;
2341 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2342 thread = mono_thread_internal_current ();
2343 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2345 thread->jit_data = jit_tls;
2346 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2347 mono_runtime_setup_stat_profiler ();
2351 mini_thread_cleanup (MonoThread *thread)
2353 MonoInternalThread *internal = thread->internal_thread;
2354 MonoJitTlsData *jit_tls = internal->jit_data;
2357 mono_debugger_thread_cleanup (jit_tls);
2358 mono_arch_free_jit_tls_data (jit_tls);
2360 mono_free_altstack (jit_tls);
2361 g_free (jit_tls->first_lmf);
2363 internal->jit_data = NULL;
2365 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2366 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2367 * not a trivial thing.
2369 * The current offender is mono_thread_manage which cleanup threads from the outside.
2371 if (internal == mono_thread_internal_current ()) {
2372 TlsSetValue (mono_jit_tls_id, NULL);
2374 #ifdef HAVE_KW_THREAD
2375 mono_jit_tls = NULL;
2376 mono_lmf_addr = NULL;
2377 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2386 mono_create_tls_get (MonoCompile *cfg, int offset)
2388 #ifdef MONO_ARCH_HAVE_TLS_GET
2394 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2395 ins->dreg = mono_alloc_preg (cfg);
2396 ins->inst_offset = offset;
2404 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2406 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2410 mono_get_domain_intrinsic (MonoCompile* cfg)
2412 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2416 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2418 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2422 ji->data.target = target;
2423 ji->next = cfg->patch_info;
2425 cfg->patch_info = ji;
2429 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2431 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2435 ji->data.target = target;
2442 mono_remove_patch_info (MonoCompile *cfg, int ip)
2444 MonoJumpInfo **ji = &cfg->patch_info;
2447 if ((*ji)->ip.i == ip)
2450 ji = &((*ji)->next);
2455 * mono_patch_info_dup_mp:
2457 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2460 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2462 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2463 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2465 switch (patch_info->type) {
2466 case MONO_PATCH_INFO_RVA:
2467 case MONO_PATCH_INFO_LDSTR:
2468 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2469 case MONO_PATCH_INFO_LDTOKEN:
2470 case MONO_PATCH_INFO_DECLSEC:
2471 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2472 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2474 case MONO_PATCH_INFO_SWITCH:
2475 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2476 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2477 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2478 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2480 case MONO_PATCH_INFO_RGCTX_FETCH:
2481 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2482 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2483 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2493 mono_patch_info_hash (gconstpointer data)
2495 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2498 case MONO_PATCH_INFO_RVA:
2499 case MONO_PATCH_INFO_LDSTR:
2500 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2501 case MONO_PATCH_INFO_LDTOKEN:
2502 case MONO_PATCH_INFO_DECLSEC:
2503 return (ji->type << 8) | ji->data.token->token;
2504 case MONO_PATCH_INFO_INTERNAL_METHOD:
2505 return (ji->type << 8) | g_str_hash (ji->data.name);
2506 case MONO_PATCH_INFO_VTABLE:
2507 case MONO_PATCH_INFO_CLASS:
2508 case MONO_PATCH_INFO_IID:
2509 case MONO_PATCH_INFO_ADJUSTED_IID:
2510 case MONO_PATCH_INFO_CLASS_INIT:
2511 case MONO_PATCH_INFO_METHODCONST:
2512 case MONO_PATCH_INFO_METHOD:
2513 case MONO_PATCH_INFO_METHOD_JUMP:
2514 case MONO_PATCH_INFO_IMAGE:
2515 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2516 case MONO_PATCH_INFO_FIELD:
2517 case MONO_PATCH_INFO_SFLDA:
2518 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2519 return (ji->type << 8) | (gssize)ji->data.target;
2521 return (ji->type << 8);
2526 * mono_patch_info_equal:
2528 * This might fail to recognize equivalent patches, i.e. floats, so its only
2529 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2533 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2535 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2536 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2538 if (ji1->type != ji2->type)
2541 switch (ji1->type) {
2542 case MONO_PATCH_INFO_RVA:
2543 case MONO_PATCH_INFO_LDSTR:
2544 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2545 case MONO_PATCH_INFO_LDTOKEN:
2546 case MONO_PATCH_INFO_DECLSEC:
2547 if ((ji1->data.token->image != ji2->data.token->image) ||
2548 (ji1->data.token->token != ji2->data.token->token) ||
2549 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2550 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2551 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2554 case MONO_PATCH_INFO_INTERNAL_METHOD:
2555 return g_str_equal (ji1->data.name, ji2->data.name);
2557 case MONO_PATCH_INFO_RGCTX_FETCH: {
2558 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2559 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2561 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);
2564 if (ji1->data.target != ji2->data.target)
2573 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2575 unsigned char *ip = patch_info->ip.i + code;
2576 gconstpointer target = NULL;
2578 switch (patch_info->type) {
2579 case MONO_PATCH_INFO_BB:
2580 g_assert (patch_info->data.bb->native_offset);
2581 target = patch_info->data.bb->native_offset + code;
2583 case MONO_PATCH_INFO_ABS:
2584 target = patch_info->data.target;
2586 case MONO_PATCH_INFO_LABEL:
2587 target = patch_info->data.inst->inst_c0 + code;
2589 case MONO_PATCH_INFO_IP:
2592 case MONO_PATCH_INFO_METHOD_REL:
2593 target = code + patch_info->data.offset;
2595 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2596 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2598 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2599 g_assert_not_reached ();
2601 target = mono_icall_get_wrapper (mi);
2604 case MONO_PATCH_INFO_METHOD_JUMP:
2605 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2607 case MONO_PATCH_INFO_METHOD:
2608 if (patch_info->data.method == method) {
2611 /* get the trampoline to the method from the domain */
2612 target = mono_create_jit_trampoline (patch_info->data.method);
2615 case MONO_PATCH_INFO_SWITCH: {
2616 gpointer *jump_table;
2619 if (method && method->dynamic) {
2620 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2622 if (mono_aot_only) {
2623 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2625 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2629 for (i = 0; i < patch_info->data.table->table_size; i++)
2630 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2631 target = jump_table;
2634 case MONO_PATCH_INFO_METHODCONST:
2635 case MONO_PATCH_INFO_CLASS:
2636 case MONO_PATCH_INFO_IMAGE:
2637 case MONO_PATCH_INFO_FIELD:
2638 target = patch_info->data.target;
2640 case MONO_PATCH_INFO_IID:
2641 mono_class_init (patch_info->data.klass);
2642 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
2644 case MONO_PATCH_INFO_ADJUSTED_IID:
2645 mono_class_init (patch_info->data.klass);
2646 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
2648 case MONO_PATCH_INFO_VTABLE:
2649 target = mono_class_vtable (domain, patch_info->data.klass);
2652 case MONO_PATCH_INFO_CLASS_INIT: {
2653 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
2656 target = mono_create_class_init_trampoline (vtable);
2659 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
2660 target = mono_create_delegate_trampoline (patch_info->data.klass);
2662 case MONO_PATCH_INFO_SFLDA: {
2663 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
2666 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
2667 /* Done by the generated code */
2671 mono_runtime_class_init (vtable);
2673 target = (char*)vtable->data + patch_info->data.field->offset;
2676 case MONO_PATCH_INFO_RVA: {
2677 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
2680 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
2681 target = mono_image_rva_map (patch_info->data.token->image, rva);
2684 case MONO_PATCH_INFO_R4:
2685 case MONO_PATCH_INFO_R8:
2686 target = patch_info->data.target;
2688 case MONO_PATCH_INFO_EXC_NAME:
2689 target = patch_info->data.name;
2691 case MONO_PATCH_INFO_LDSTR:
2693 mono_ldstr (domain, patch_info->data.token->image,
2694 mono_metadata_token_index (patch_info->data.token->token));
2696 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
2698 MonoClass *handle_class;
2700 handle = mono_ldtoken (patch_info->data.token->image,
2701 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
2702 mono_class_init (handle_class);
2703 mono_class_init (mono_class_from_mono_type (handle));
2706 mono_type_get_object (domain, handle);
2709 case MONO_PATCH_INFO_LDTOKEN: {
2711 MonoClass *handle_class;
2713 handle = mono_ldtoken (patch_info->data.token->image,
2714 patch_info->data.token->token, &handle_class, NULL);
2715 mono_class_init (handle_class);
2720 case MONO_PATCH_INFO_DECLSEC:
2721 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
2723 case MONO_PATCH_INFO_ICALL_ADDR:
2724 /* run_cctors == 0 -> AOT */
2725 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
2727 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
2729 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));
2734 target = mono_lookup_internal_call (patch_info->data.method);
2736 if (!target && run_cctors)
2737 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
2740 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
2741 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2743 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
2744 g_assert_not_reached ();
2749 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
2750 target = mono_thread_interruption_request_flag ();
2752 case MONO_PATCH_INFO_METHOD_RGCTX: {
2753 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
2756 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
2759 case MONO_PATCH_INFO_BB_OVF:
2760 case MONO_PATCH_INFO_EXC_OVF:
2761 case MONO_PATCH_INFO_GOT_OFFSET:
2762 case MONO_PATCH_INFO_NONE:
2764 case MONO_PATCH_INFO_RGCTX_FETCH: {
2765 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
2768 switch (entry->data->type) {
2769 case MONO_PATCH_INFO_CLASS:
2770 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));
2772 case MONO_PATCH_INFO_METHOD:
2773 case MONO_PATCH_INFO_METHODCONST:
2774 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));
2776 case MONO_PATCH_INFO_FIELD:
2777 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));
2780 g_assert_not_reached ();
2784 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
2787 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
2788 target = mono_create_generic_class_init_trampoline ();
2790 case MONO_PATCH_INFO_MONITOR_ENTER:
2791 target = mono_create_monitor_enter_trampoline ();
2793 case MONO_PATCH_INFO_MONITOR_EXIT:
2794 target = mono_create_monitor_exit_trampoline ();
2796 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
2797 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2799 /* AOT, not needed */
2802 target = mono_arch_get_seq_point_info (domain, code);
2805 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
2806 #ifdef MONO_ARCH_LLVM_SUPPORTED
2807 g_assert (mono_use_llvm);
2808 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
2810 g_assert_not_reached ();
2814 g_assert_not_reached ();
2817 return (gpointer)target;
2821 mono_compile_create_vars (MonoCompile *cfg)
2823 MonoMethodSignature *sig;
2824 MonoMethodHeader *header;
2827 header = mono_method_get_header (cfg->method);
2829 sig = mono_method_signature (cfg->method);
2831 if (!MONO_TYPE_IS_VOID (sig->ret)) {
2832 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
2833 /* Inhibit optimizations */
2834 cfg->ret->flags |= MONO_INST_VOLATILE;
2836 if (cfg->verbose_level > 2)
2837 g_print ("creating vars\n");
2839 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
2842 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
2844 for (i = 0; i < sig->param_count; ++i) {
2845 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
2848 if (cfg->verbose_level > 2) {
2850 printf ("\treturn : ");
2851 mono_print_ins (cfg->ret);
2855 printf ("\tthis: ");
2856 mono_print_ins (cfg->args [0]);
2859 for (i = 0; i < sig->param_count; ++i) {
2860 printf ("\targ [%d]: ", i);
2861 mono_print_ins (cfg->args [i + sig->hasthis]);
2865 cfg->locals_start = cfg->num_varinfo;
2866 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
2868 if (cfg->verbose_level > 2)
2869 g_print ("creating locals\n");
2871 for (i = 0; i < header->num_locals; ++i)
2872 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
2874 if (cfg->verbose_level > 2)
2875 g_print ("locals done\n");
2877 mono_arch_create_vars (cfg);
2881 mono_print_code (MonoCompile *cfg, const char* msg)
2885 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2886 mono_print_bb (bb, msg);
2892 mono_postprocess_patches (MonoCompile *cfg)
2894 MonoJumpInfo *patch_info;
2897 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
2898 switch (patch_info->type) {
2899 case MONO_PATCH_INFO_ABS: {
2900 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
2903 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
2907 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
2908 // FIXME: CLEAN UP THIS MESS.
2909 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
2910 strstr (cfg->method->name, info->name)) {
2912 * This is an icall wrapper, and this is a call to the
2915 if (cfg->compile_aot) {
2916 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
2917 patch_info->data.name = info->name;
2920 /* for these array methods we currently register the same function pointer
2921 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
2922 * will return the incorrect one depending on the order they are registered.
2923 * See tests/test-arr.cs
2925 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
2926 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
2927 patch_info->data.name = info->name;
2932 if (patch_info->type == MONO_PATCH_INFO_ABS) {
2933 if (cfg->abs_patches) {
2934 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
2936 patch_info->type = abs_ji->type;
2937 patch_info->data.target = abs_ji->data.target;
2944 case MONO_PATCH_INFO_SWITCH: {
2946 if (cfg->method->dynamic) {
2947 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2949 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
2952 for (i = 0; i < patch_info->data.table->table_size; i++) {
2953 /* Might be NULL if the switch is eliminated */
2954 if (patch_info->data.table->table [i]) {
2955 g_assert (patch_info->data.table->table [i]->native_offset);
2956 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
2961 patch_info->data.table->table = (MonoBasicBlock**)table;
2964 case MONO_PATCH_INFO_METHOD_JUMP: {
2966 MonoDomain *domain = cfg->domain;
2967 unsigned char *ip = cfg->native_code + patch_info->ip.i;
2969 mono_domain_lock (domain);
2970 if (!domain_jit_info (domain)->jump_target_hash)
2971 domain_jit_info (domain)->jump_target_hash = g_hash_table_new (NULL, NULL);
2972 list = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
2973 list = g_slist_prepend (list, ip);
2974 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, list);
2975 mono_domain_unlock (domain);
2986 mono_codegen (MonoCompile *cfg)
2989 int max_epilog_size;
2992 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
2993 cfg->spill_count = 0;
2994 /* we reuse dfn here */
2995 /* bb->dfn = bb_count++; */
2997 mono_arch_lowering_pass (cfg, bb);
2999 if (cfg->opt & MONO_OPT_PEEPHOLE)
3000 mono_arch_peephole_pass_1 (cfg, bb);
3003 mono_local_regalloc (cfg, bb);
3005 if (cfg->opt & MONO_OPT_PEEPHOLE)
3006 mono_arch_peephole_pass_2 (cfg, bb);
3009 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3010 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3012 code = mono_arch_emit_prolog (cfg);
3014 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3015 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3017 cfg->code_len = code - cfg->native_code;
3018 cfg->prolog_end = cfg->code_len;
3020 mono_debug_open_method (cfg);
3022 /* emit code all basic blocks */
3023 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3024 bb->native_offset = cfg->code_len;
3025 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3026 mono_arch_output_basic_block (cfg, bb);
3028 if (bb == cfg->bb_exit) {
3029 cfg->epilog_begin = cfg->code_len;
3031 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3032 code = cfg->native_code + cfg->code_len;
3033 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3034 cfg->code_len = code - cfg->native_code;
3035 g_assert (cfg->code_len < cfg->code_size);
3038 mono_arch_emit_epilog (cfg);
3042 mono_arch_emit_exceptions (cfg);
3044 max_epilog_size = 0;
3046 code = cfg->native_code + cfg->code_len;
3048 /* we always allocate code in cfg->domain->code_mp to increase locality */
3049 cfg->code_size = cfg->code_len + max_epilog_size;
3050 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3052 if (cfg->method->dynamic) {
3053 guint unwindlen = 0;
3054 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3055 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3057 /* Allocate the code into a separate memory pool so it can be freed */
3058 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3059 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3060 mono_domain_lock (cfg->domain);
3061 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3062 mono_domain_unlock (cfg->domain);
3064 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3066 guint unwindlen = 0;
3067 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3068 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3070 code = mono_domain_code_reserve (cfg->domain, cfg->code_size + unwindlen);
3073 memcpy (code, cfg->native_code, cfg->code_len);
3074 g_free (cfg->native_code);
3075 cfg->native_code = code;
3076 code = cfg->native_code + cfg->code_len;
3078 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3079 mono_postprocess_patches (cfg);
3081 #ifdef VALGRIND_JIT_REGISTER_MAP
3082 if (valgrind_register){
3083 char* nm = mono_method_full_name (cfg->method, TRUE);
3084 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3089 if (cfg->verbose_level > 0) {
3090 char* nm = mono_method_full_name (cfg->method, TRUE);
3091 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3093 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3098 gboolean is_generic = FALSE;
3100 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3101 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3105 if (cfg->generic_sharing_context)
3106 g_assert (is_generic);
3109 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3110 mono_arch_save_unwind_info (cfg);
3113 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->run_cctors);
3115 if (cfg->method->dynamic) {
3116 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3118 mono_domain_code_commit (cfg->domain, cfg->native_code, cfg->code_size, cfg->code_len);
3120 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3122 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3124 mono_debug_close_method (cfg);
3126 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3127 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3132 compute_reachable (MonoBasicBlock *bb)
3136 if (!(bb->flags & BB_VISITED)) {
3137 bb->flags |= BB_VISITED;
3138 for (i = 0; i < bb->out_count; ++i)
3139 compute_reachable (bb->out_bb [i]);
3144 * mini_method_compile:
3145 * @method: the method to compile
3146 * @opts: the optimization flags to use
3147 * @domain: the domain where the method will be compiled in
3148 * @run_cctors: whether we should run type ctors if possible
3149 * @compile_aot: whether this is an AOT compilation
3150 * @parts: debug flag
3152 * Returns: a MonoCompile* pointer. Caller must check the exception_type
3153 * field in the returned struct to see if compilation succeded.
3156 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
3158 MonoMethodHeader *header;
3162 int dfn, i, code_size_ratio;
3163 gboolean deadce_has_run = FALSE;
3164 gboolean try_generic_shared, try_llvm;
3165 MonoMethod *method_to_compile, *method_to_register;
3166 int generic_info_size;
3168 mono_jit_stats.methods_compiled++;
3169 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
3170 mono_profiler_method_jit (method);
3171 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
3172 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
3175 /* We are passed the original generic method definition */
3176 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3177 (opts & MONO_OPT_GSHARED) && (method->is_generic || method->klass->generic_container);
3179 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3180 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
3182 if (opts & MONO_OPT_GSHARED) {
3183 if (try_generic_shared)
3184 mono_stats.generics_sharable_methods++;
3185 else if (mono_method_is_generic_impl (method))
3186 mono_stats.generics_unsharable_methods++;
3196 if (try_generic_shared) {
3197 MonoMethod *declaring_method;
3198 MonoGenericContext *shared_context;
3201 declaring_method = method;
3203 declaring_method = mono_method_get_declaring_generic_method (method);
3204 if (method->klass->generic_class)
3205 g_assert (method->klass->generic_class->container_class == declaring_method->klass);
3207 g_assert (method->klass == declaring_method->klass);
3210 if (declaring_method->is_generic)
3211 shared_context = &(mono_method_get_generic_container (declaring_method)->context);
3213 shared_context = &declaring_method->klass->generic_container->context;
3215 method_to_compile = mono_class_inflate_generic_method (declaring_method, shared_context);
3216 g_assert (method_to_compile);
3218 method_to_compile = method;
3221 cfg = g_new0 (MonoCompile, 1);
3222 cfg->method = method_to_compile;
3223 cfg->mempool = mono_mempool_new ();
3225 cfg->prof_options = mono_profiler_get_events ();
3226 cfg->run_cctors = run_cctors;
3227 cfg->domain = domain;
3228 cfg->verbose_level = mini_verbose;
3229 cfg->compile_aot = compile_aot;
3230 cfg->skip_visibility = method->skip_visibility;
3231 cfg->orig_method = method;
3232 cfg->gen_seq_points = debug_options.gen_seq_points;
3233 cfg->explicit_null_checks = debug_options.explicit_null_checks;
3234 if (try_generic_shared)
3235 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
3236 cfg->compile_llvm = try_llvm;
3237 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
3239 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
3240 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
3244 if (cfg->generic_sharing_context) {
3245 MonoGenericContext object_context = mono_method_construct_object_context (method_to_compile);
3247 method_to_register = mono_class_inflate_generic_method (method_to_compile, &object_context);
3249 g_assert (method == method_to_compile);
3250 method_to_register = method;
3252 cfg->method_to_register = method_to_register;
3254 /* No way to obtain the location info for 'this' */
3255 if (try_generic_shared) {
3256 cfg->exception_message = g_strdup ("gshared");
3257 cfg->disable_llvm = TRUE;
3260 if (cfg->method->save_lmf) {
3261 cfg->exception_message = g_strdup ("lmf");
3262 cfg->disable_llvm = TRUE;
3265 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
3266 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
3267 cfg->disable_reuse_registers = TRUE;
3268 cfg->disable_reuse_stack_slots = TRUE;
3270 * This decreases the change the debugger will read registers/stack slots which are
3271 * not yet initialized.
3273 cfg->disable_initlocals_opt = TRUE;
3275 cfg->extend_live_ranges = TRUE;
3277 /* Temporarily disable this when running in the debugger until we have support
3278 * for this in the debugger. */
3279 cfg->disable_omit_fp = TRUE;
3281 /* The debugger needs all locals to be on the stack or in a global register */
3282 cfg->disable_vreg_to_lvreg = TRUE;
3284 /* Don't remove unused variables when running inside the debugger since the user
3285 * may still want to view them. */
3286 cfg->disable_deadce_vars = TRUE;
3288 // cfg->opt |= MONO_OPT_SHARED;
3289 cfg->opt &= ~MONO_OPT_DEADCE;
3290 cfg->opt &= ~MONO_OPT_INLINE;
3291 cfg->opt &= ~MONO_OPT_COPYPROP;
3292 cfg->opt &= ~MONO_OPT_CONSPROP;
3293 cfg->opt &= ~MONO_OPT_GSHARED;
3296 if (mono_using_xdebug) {
3298 * Make each variable use its own register/stack slot and extend
3299 * their liveness to cover the whole method, making them displayable
3300 * in gdb even after they are dead.
3302 cfg->disable_reuse_registers = TRUE;
3303 cfg->disable_reuse_stack_slots = TRUE;
3304 cfg->extend_live_ranges = TRUE;
3307 if (COMPILE_LLVM (cfg)) {
3308 cfg->opt |= MONO_OPT_ABCREM;
3311 header = mono_method_get_header (method_to_compile);
3313 MonoLoaderError *error;
3315 if ((error = mono_loader_get_last_error ())) {
3316 cfg->exception_type = error->exception_type;
3318 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
3319 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
3321 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3322 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3326 if (getenv ("MONO_VERBOSE_METHOD")) {
3327 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
3328 cfg->verbose_level = 4;
3331 ip = (guint8 *)header->code;
3333 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
3335 if (cfg->verbose_level > 0) {
3336 if (COMPILE_LLVM (cfg))
3337 g_print ("converting llvm method %s\n", mono_method_full_name (method, TRUE));
3338 else if (cfg->generic_sharing_context)
3339 g_print ("converting shared method %s\n", mono_method_full_name (method, TRUE));
3341 g_print ("converting method %s\n", mono_method_full_name (method, TRUE));
3344 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
3345 cfg->opt |= MONO_OPT_SSA;
3348 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")))
3349 cfg->globalra = TRUE;
3352 //cfg->globalra = TRUE;
3354 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
3355 // cfg->globalra = TRUE;
3358 static int count = 0;
3362 if (getenv ("COUNT2")) {
3363 cfg->globalra = TRUE;
3364 if (count == atoi (getenv ("COUNT2")))
3365 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
3366 if (count > atoi (getenv ("COUNT2")))
3367 cfg->globalra = FALSE;
3372 if (header->clauses)
3373 cfg->globalra = FALSE;
3375 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
3376 /* The code in the prolog clobbers caller saved registers */
3377 cfg->globalra = FALSE;
3379 // FIXME: Disable globalra in case of tracing/profiling
3381 if (cfg->method->save_lmf)
3382 /* The LMF saving code might clobber caller saved registers */
3383 cfg->globalra = FALSE;
3385 if (header->code_size > 5000)
3387 /* Too large bblocks could overflow the ins positions */
3388 cfg->globalra = FALSE;
3390 cfg->rs = mono_regstate_new ();
3392 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
3393 cfg->next_vreg = cfg->rs->next_vreg;
3395 /* FIXME: Fix SSA to handle branches inside bblocks */
3396 if (cfg->opt & MONO_OPT_SSA)
3397 cfg->enable_extended_bblocks = FALSE;
3400 * FIXME: This confuses liveness analysis because variables which are assigned after
3401 * a branch inside a bblock become part of the kill set, even though the assignment
3402 * might not get executed. This causes the optimize_initlocals pass to delete some
3403 * assignments which are needed.
3404 * Also, the mono_if_conversion pass needs to be modified to recognize the code
3407 //cfg->enable_extended_bblocks = TRUE;
3410 * create MonoInst* which represents arguments and local variables
3412 mono_compile_create_vars (cfg);
3414 /* SSAPRE is not supported on linear IR */
3415 cfg->opt &= ~MONO_OPT_SSAPRE;
3417 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
3420 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
3422 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3423 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3426 mono_destroy_compile (cfg);
3427 try_generic_shared = FALSE;
3428 goto restart_compile;
3430 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
3432 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3433 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3434 /* cfg contains the details of the failure, so let the caller cleanup */
3438 mono_jit_stats.basic_blocks += cfg->num_bblocks;
3439 mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks);
3441 if (COMPILE_LLVM (cfg)) {
3444 /* The IR has to be in SSA form for LLVM */
3445 cfg->opt |= MONO_OPT_SSA;
3449 // Allow SSA on the result value
3450 cfg->ret->flags &= ~MONO_INST_VOLATILE;
3452 // Add an explicit return instruction referencing the return value
3453 MONO_INST_NEW (cfg, ins, OP_SETRET);
3454 ins->sreg1 = cfg->ret->dreg;
3456 MONO_ADD_INS (cfg->bb_exit, ins);
3459 cfg->opt &= ~MONO_OPT_LINEARS;
3462 cfg->opt &= ~MONO_OPT_BRANCH;
3465 /* todo: remove code when we have verified that the liveness for try/catch blocks
3469 * Currently, this can't be commented out since exception blocks are not
3470 * processed during liveness analysis.
3471 * It is also needed, because otherwise the local optimization passes would
3472 * delete assignments in cases like this:
3474 * <something which throws>
3477 mono_liveness_handle_exception_clauses (cfg);
3479 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
3481 if (!COMPILE_LLVM (cfg))
3482 mono_decompose_long_opts (cfg);
3484 /* Should be done before branch opts */
3485 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
3486 mono_local_cprop (cfg);
3488 if (cfg->opt & MONO_OPT_BRANCH)
3489 mono_optimize_branches (cfg);
3491 /* This must be done _before_ global reg alloc and _after_ decompose */
3492 mono_handle_global_vregs (cfg);
3493 if (cfg->opt & MONO_OPT_DEADCE)
3494 mono_local_deadce (cfg);
3495 /* Disable this for LLVM to make the IR easier to handle */
3496 if (!COMPILE_LLVM (cfg))
3497 mono_if_conversion (cfg);
3499 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
3500 mono_remove_critical_edges (cfg);
3502 /* Depth-first ordering on basic blocks */
3503 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
3505 cfg->max_block_num = cfg->num_bblocks;
3508 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
3509 if (cfg->num_bblocks != dfn + 1) {
3512 cfg->num_bblocks = dfn + 1;
3514 /* remove unreachable code, because the code in them may be
3515 * inconsistent (access to dead variables for example) */
3516 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3517 bb->flags &= ~BB_VISITED;
3518 compute_reachable (cfg->bb_entry);
3519 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3520 if (bb->flags & BB_EXCEPTION_HANDLER)
3521 compute_reachable (bb);
3522 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3523 if (!(bb->flags & BB_VISITED)) {
3524 if (cfg->verbose_level > 1)
3525 g_print ("found unreachable code in BB%d\n", bb->block_num);
3526 bb->code = bb->last_ins = NULL;
3529 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3530 bb->flags &= ~BB_VISITED;
3533 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
3535 * we disable some optimizations if there are too many variables
3536 * because JIT time may become too expensive. The actual number needs
3537 * to be tweaked and eventually the non-linear algorithms should be fixed.
3539 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
3540 cfg->disable_ssa = TRUE;
3543 if (cfg->opt & MONO_OPT_LOOP) {
3544 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
3545 mono_compute_natural_loops (cfg);
3548 /* after method_to_ir */
3550 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3551 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3555 //#define DEBUGSSA "logic_run"
3556 #define DEBUGSSA_CLASS "Tests"
3559 if (!header->num_clauses && !cfg->disable_ssa) {
3560 mono_local_cprop (cfg);
3563 mono_ssa_compute (cfg);
3567 if (cfg->opt & MONO_OPT_SSA) {
3568 if (!(cfg->comp_done & MONO_COMP_SSA) && !header->num_clauses && !cfg->disable_ssa) {
3570 mono_ssa_compute (cfg);
3573 if (cfg->verbose_level >= 2) {
3580 /* after SSA translation */
3582 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3583 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3587 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
3588 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
3590 mono_ssa_cprop (cfg);
3596 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
3597 //mono_ssa_strength_reduction (cfg);
3599 if (cfg->opt & MONO_OPT_SSAPRE) {
3600 mono_perform_ssapre (cfg);
3601 //mono_local_cprop (cfg);
3604 if (cfg->opt & MONO_OPT_DEADCE) {
3605 mono_ssa_deadce (cfg);
3606 deadce_has_run = TRUE;
3609 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
3610 mono_perform_abc_removal (cfg);
3612 mono_ssa_remove (cfg);
3613 mono_local_cprop (cfg);
3614 mono_handle_global_vregs (cfg);
3615 if (cfg->opt & MONO_OPT_DEADCE)
3616 mono_local_deadce (cfg);
3618 if (cfg->opt & MONO_OPT_BRANCH) {
3621 mono_optimize_branches (cfg);
3623 /* Have to recompute cfg->bblocks and bb->dfn */
3624 if (cfg->globalra) {
3625 mono_remove_critical_edges (cfg);
3627 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3630 /* Depth-first ordering on basic blocks */
3631 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
3634 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
3635 cfg->num_bblocks = dfn + 1;
3641 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
3642 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
3643 mono_perform_abc_removal (cfg);
3646 /* after SSA removal */
3648 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3649 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3653 #ifdef MONO_ARCH_SOFT_FLOAT
3654 if (!COMPILE_LLVM (cfg))
3655 mono_decompose_soft_float (cfg);
3657 if (!COMPILE_LLVM (cfg))
3658 mono_decompose_vtype_opts (cfg);
3659 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
3660 mono_decompose_array_access_opts (cfg);
3665 g_assert (cfg->got_var_allocated);
3668 * Allways allocate the GOT var to a register, because keeping it
3669 * in memory will increase the number of live temporaries in some
3670 * code created by inssel.brg, leading to the well known spills+
3671 * branches problem. Testcase: mcs crash in
3672 * System.MonoCustomAttrs:GetCustomAttributes.
3674 regs = mono_arch_get_global_int_regs (cfg);
3676 cfg->got_var->opcode = OP_REGVAR;
3677 cfg->got_var->dreg = GPOINTER_TO_INT (regs->data);
3678 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
3683 if (cfg->globalra) {
3686 /* Have to do this before regalloc since it can create vregs */
3687 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3688 mono_arch_lowering_pass (cfg, bb);
3690 mono_global_regalloc (cfg);
3693 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
3696 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
3697 cfg->comp_done &= ~MONO_COMP_LIVENESS;
3698 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
3699 mono_analyze_liveness (cfg);
3701 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
3702 regs = mono_arch_get_global_int_regs (cfg);
3704 regs = g_list_delete_link (regs, regs);
3705 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
3709 //mono_print_code (cfg, "");
3713 /* variables are allocated after decompose, since decompose could create temps */
3714 if (!cfg->globalra && !COMPILE_LLVM (cfg))
3715 mono_arch_allocate_vars (cfg);
3719 gboolean need_local_opts;
3721 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
3722 mono_spill_global_vars (cfg, &need_local_opts);
3724 if (need_local_opts || cfg->compile_aot) {
3725 /* To optimize code created by spill_global_vars */
3726 mono_local_cprop (cfg);
3727 if (cfg->opt & MONO_OPT_DEADCE)
3728 mono_local_deadce (cfg);
3732 /* Add branches between non-consecutive bblocks */
3733 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3734 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
3735 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
3736 /* we are careful when inverting, since bugs like #59580
3737 * could show up when dealing with NaNs.
3739 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
3740 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
3741 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
3742 bb->last_ins->inst_false_bb = tmp;
3744 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
3746 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
3747 inst->opcode = OP_BR;
3748 inst->inst_target_bb = bb->last_ins->inst_false_bb;
3749 mono_bblock_add_inst (bb, inst);
3754 if (cfg->verbose_level >= 4 && !cfg->globalra) {
3755 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3756 MonoInst *tree = bb->code;
3757 g_print ("DUMP BLOCK %d:\n", bb->block_num);
3760 for (; tree; tree = tree->next) {
3761 mono_print_ins_index (-1, tree);
3767 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3768 bb->max_vreg = cfg->next_vreg;
3772 if (COMPILE_LLVM (cfg)) {
3775 static gboolean inited;
3778 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_with_llvm);
3779 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_without_llvm);
3783 /* The IR has to be in SSA form for LLVM */
3784 if (!(cfg->comp_done & MONO_COMP_SSA)) {
3785 cfg->exception_message = g_strdup ("SSA disabled.");
3786 cfg->disable_llvm = TRUE;
3790 if (cfg->method->dynamic) {
3791 cfg->exception_message = g_strdup ("dynamic.");
3792 cfg->disable_llvm = TRUE;
3795 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
3796 mono_decompose_array_access_opts (cfg);
3798 if (!cfg->disable_llvm)
3799 mono_llvm_emit_method (cfg);
3800 if (cfg->disable_llvm) {
3801 if (cfg->verbose_level >= 1) {
3802 //nm = mono_method_full_name (cfg->method, TRUE);
3803 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
3806 InterlockedIncrement (&methods_without_llvm);
3807 mono_destroy_compile (cfg);
3809 goto restart_compile;
3812 InterlockedIncrement (&methods_with_llvm);
3814 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
3815 nm = mono_method_full_name (cfg->method, TRUE);
3816 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
3818 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3826 if (cfg->verbose_level >= 2) {
3827 char *id = mono_method_full_name (cfg->method, FALSE);
3828 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
3832 if (cfg->generic_sharing_context)
3833 generic_info_size = sizeof (MonoGenericJitInfo);
3835 generic_info_size = 0;
3837 if (cfg->method->dynamic) {
3838 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (header->num_clauses * sizeof (MonoJitExceptionInfo)) +
3841 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3842 (header->num_clauses * sizeof (MonoJitExceptionInfo)) +
3846 jinfo->method = method_to_register;
3847 jinfo->code_start = cfg->native_code;
3848 jinfo->code_size = cfg->code_len;
3849 jinfo->used_regs = cfg->used_int_regs;
3850 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3851 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3852 jinfo->num_clauses = header->num_clauses;
3853 if (COMPILE_LLVM (cfg))
3854 jinfo->from_llvm = TRUE;
3856 if (cfg->generic_sharing_context) {
3858 MonoGenericJitInfo *gi;
3860 jinfo->has_generic_jit_info = 1;
3862 gi = mono_jit_info_get_generic_jit_info (jinfo);
3865 gi->generic_sharing_context = cfg->generic_sharing_context;
3867 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3868 mini_method_get_context (method_to_compile)->method_inst ||
3869 method_to_compile->klass->valuetype) {
3870 g_assert (cfg->rgctx_var);
3875 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3876 mini_method_get_context (method_to_compile)->method_inst ||
3877 method_to_compile->klass->valuetype) {
3878 inst = cfg->rgctx_var;
3879 g_assert (inst->opcode == OP_REGOFFSET);
3881 inst = cfg->args [0];
3884 if (inst->opcode == OP_REGVAR) {
3885 gi->this_in_reg = 1;
3886 gi->this_reg = inst->dreg;
3888 g_assert (inst->opcode == OP_REGOFFSET);
3890 g_assert (inst->inst_basereg == X86_EBP);
3891 #elif defined(TARGET_AMD64)
3892 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3894 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3896 gi->this_in_reg = 0;
3897 gi->this_reg = inst->inst_basereg;
3898 gi->this_offset = inst->inst_offset;
3902 if (header->num_clauses) {
3905 for (i = 0; i < header->num_clauses; i++) {
3906 MonoExceptionClause *ec = &header->clauses [i];
3907 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3908 MonoBasicBlock *tblock;
3911 ei->flags = ec->flags;
3913 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3914 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3916 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3917 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3919 ei->data.filter = cfg->native_code + tblock->native_offset;
3921 ei->data.catch_class = ec->data.catch_class;
3924 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3926 ei->try_start = cfg->native_code + tblock->native_offset;
3927 g_assert (tblock->native_offset);
3928 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3930 ei->try_end = cfg->native_code + tblock->native_offset;
3931 g_assert (tblock->native_offset);
3932 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3934 ei->handler_start = cfg->native_code + tblock->native_offset;
3939 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
3940 * using it during runtime, hence the define.
3942 #ifdef MONO_ARCH_HAVE_XP_UNWIND
3943 if (cfg->encoded_unwind_ops) {
3944 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
3945 g_free (cfg->encoded_unwind_ops);
3946 } else if (cfg->unwind_ops) {
3948 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
3950 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
3951 g_free (unwind_info);
3955 cfg->jit_info = jinfo;
3957 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
3958 if (cfg->extend_live_ranges) {
3959 /* Extend live ranges to cover the whole method */
3960 for (i = 0; i < cfg->num_varinfo; ++i)
3961 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
3965 mono_save_xdebug_info (cfg);
3967 mini_gc_create_gc_map (cfg);
3969 if (cfg->seq_points) {
3970 // FIXME: dynamic methods
3971 mono_domain_lock (domain);
3972 g_hash_table_insert (domain_jit_info (domain)->seq_points, method_to_register, cfg->seq_points);
3973 mono_domain_unlock (domain);
3976 if (!cfg->compile_aot) {
3977 mono_domain_lock (cfg->domain);
3978 mono_jit_info_table_add (cfg->domain, jinfo);
3980 if (cfg->method->dynamic)
3981 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = jinfo;
3982 mono_domain_unlock (cfg->domain);
3985 /* collect statistics */
3986 mono_perfcounters->jit_methods++;
3987 mono_perfcounters->jit_bytes += header->code_size;
3988 mono_jit_stats.allocated_code_size += cfg->code_len;
3989 code_size_ratio = cfg->code_len;
3990 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
3991 mono_jit_stats.biggest_method_size = code_size_ratio;
3992 g_free (mono_jit_stats.biggest_method);
3993 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
3995 code_size_ratio = (code_size_ratio * 100) / mono_method_get_header (method)->code_size;
3996 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
3997 mono_jit_stats.max_code_size_ratio = code_size_ratio;
3998 g_free (mono_jit_stats.max_ratio_method);
3999 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4001 mono_jit_stats.native_code_size += cfg->code_len;
4003 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4004 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4012 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4014 g_assert_not_reached ();
4018 #endif /* DISABLE_JIT */
4021 lookup_generic_method (MonoDomain *domain, MonoMethod *method)
4023 MonoMethod *open_method;
4025 if (!mono_method_is_generic_sharable_impl (method, FALSE))
4028 open_method = mono_method_get_declaring_generic_method (method);
4030 return mono_domain_lookup_shared_generic (domain, open_method);
4034 * LOCKING: Assumes domain->jit_code_hash_lock is held.
4037 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
4039 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
4044 return lookup_generic_method (domain, method);
4048 lookup_method (MonoDomain *domain, MonoMethod *method)
4052 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
4053 mono_domain_jit_code_hash_lock (domain);
4054 info = lookup_method_inner (domain, method);
4055 mono_domain_jit_code_hash_unlock (domain);
4056 mono_loader_unlock ();
4062 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
4065 gpointer code = NULL;
4066 MonoJitInfo *jinfo, *info;
4068 MonoException *ex = NULL;
4069 guint32 prof_options;
4071 #ifdef MONO_USE_AOT_COMPILER
4072 if (opt & MONO_OPT_AOT) {
4073 MonoDomain *domain = mono_domain_get ();
4075 mono_class_init (method->klass);
4077 if ((code = mono_aot_get_method (domain, method))) {
4078 vtable = mono_class_vtable (domain, method->klass);
4080 mono_runtime_class_init (vtable);
4087 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
4088 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
4090 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
4092 if (!piinfo->addr) {
4093 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
4094 piinfo->addr = mono_lookup_internal_call (method);
4095 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
4097 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);
4099 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);
4102 mono_lookup_pinvoke_call (method, NULL, NULL);
4104 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
4105 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4107 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
4108 //mono_debug_add_wrapper (method, nm);
4109 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
4110 const char *name = method->name;
4113 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
4114 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
4115 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
4118 * We need to make sure this wrapper
4119 * is compiled because it might end up
4120 * in an (M)RGCTX if generic sharing
4121 * is enabled, and would be called
4122 * indirectly. If it were a
4123 * trampoline we'd try to patch that
4124 * indirect call, which is not
4127 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
4128 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
4129 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
4130 return mono_create_delegate_trampoline (method->klass);
4132 nm = mono_marshal_get_delegate_invoke (method, NULL);
4133 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4135 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
4136 nm = mono_marshal_get_delegate_begin_invoke (method);
4137 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4138 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
4139 nm = mono_marshal_get_delegate_end_invoke (method);
4140 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4146 if (mono_aot_only) {
4147 char *fullname = mono_method_full_name (method, TRUE);
4148 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
4150 *jit_ex = mono_get_exception_execution_engine (msg);
4157 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
4159 switch (cfg->exception_type) {
4160 case MONO_EXCEPTION_NONE:
4162 case MONO_EXCEPTION_TYPE_LOAD:
4163 case MONO_EXCEPTION_MISSING_FIELD:
4164 case MONO_EXCEPTION_MISSING_METHOD:
4165 case MONO_EXCEPTION_FILE_NOT_FOUND:
4166 case MONO_EXCEPTION_BAD_IMAGE: {
4167 /* Throw a type load exception if needed */
4168 MonoLoaderError *error = mono_loader_get_last_error ();
4171 ex = mono_loader_error_prepare_exception (error);
4173 if (cfg->exception_ptr) {
4174 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
4176 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
4177 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
4178 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
4179 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
4180 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
4181 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
4182 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
4183 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
4184 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
4185 ex = mono_get_exception_bad_image_format (cfg->exception_message);
4187 g_assert_not_reached ();
4192 case MONO_EXCEPTION_INVALID_PROGRAM:
4193 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
4195 case MONO_EXCEPTION_UNVERIFIABLE_IL:
4196 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
4198 case MONO_EXCEPTION_METHOD_ACCESS:
4199 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
4201 case MONO_EXCEPTION_FIELD_ACCESS:
4202 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
4204 /* this can only be set if the security manager is active */
4205 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
4206 MonoSecurityManager* secman = mono_security_manager_get_methods ();
4207 MonoObject *exc = NULL;
4210 args [0] = &cfg->exception_data;
4212 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
4214 ex = (MonoException*)exc;
4217 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
4218 MonoException *exp = cfg->exception_ptr;
4219 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
4225 g_assert_not_reached ();
4229 mono_destroy_compile (cfg);
4232 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
4233 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
4238 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
4239 mono_domain_lock (target_domain);
4241 /* Check if some other thread already did the job. In this case, we can
4242 discard the code this thread generated. */
4244 mono_domain_jit_code_hash_lock (target_domain);
4246 info = lookup_method_inner (target_domain, method);
4248 /* We can't use a domain specific method in another domain */
4249 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
4250 code = info->code_start;
4251 // printf("Discarding code for method %s\n", method->name);
4256 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
4257 mono_domain_jit_code_hash_unlock (target_domain);
4258 code = cfg->native_code;
4260 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
4261 mono_stats.generics_shared_methods++;
4263 mono_domain_jit_code_hash_unlock (target_domain);
4266 jinfo = cfg->jit_info;
4268 prof_options = cfg->prof_options;
4270 mono_destroy_compile (cfg);
4272 if (domain_jit_info (target_domain)->jump_target_hash) {
4273 MonoJumpInfo patch_info;
4275 list = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
4277 patch_info.next = NULL;
4278 patch_info.ip.i = 0;
4279 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
4280 patch_info.data.method = method;
4281 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
4283 for (tmp = list; tmp; tmp = tmp->next)
4284 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, TRUE);
4285 g_slist_free (list);
4288 mono_domain_unlock (target_domain);
4289 mono_loader_unlock ();
4291 vtable = mono_class_vtable (target_domain, method->klass);
4294 exc = mono_class_get_exception_for_failure (method->klass);
4296 mono_raise_exception (exc);
4299 if (prof_options & MONO_PROFILE_JIT_COMPILATION)
4300 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
4302 mono_runtime_class_init (vtable);
4307 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
4309 MonoDomain *target_domain, *domain = mono_domain_get ();
4312 MonoJitICallInfo *callinfo = NULL;
4315 * ICALL wrappers are handled specially, since there is only one copy of them
4316 * shared by all appdomains.
4318 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
4319 const char *icall_name;
4321 icall_name = method->name + strlen ("__icall_wrapper_");
4322 g_assert (icall_name);
4323 callinfo = mono_find_jit_icall_by_name (icall_name);
4324 g_assert (callinfo);
4326 /* Must be domain neutral since there is only one copy */
4327 opt |= MONO_OPT_SHARED;
4330 if (opt & MONO_OPT_SHARED)
4331 target_domain = mono_get_root_domain ();
4333 target_domain = domain;
4335 info = lookup_method (target_domain, method);
4337 /* We can't use a domain specific method in another domain */
4338 if (! ((domain != target_domain) && !info->domain_neutral)) {
4341 mono_jit_stats.methods_lookups++;
4342 vtable = mono_class_vtable (domain, method->klass);
4344 mono_runtime_class_init (vtable);
4345 return mono_create_ftnptr (target_domain, info->code_start);
4349 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
4353 p = mono_create_ftnptr (target_domain, code);
4357 if (!callinfo->wrapper) {
4358 callinfo->wrapper = p;
4359 mono_register_jit_icall_wrapper (callinfo, p);
4360 mono_debug_add_icall_wrapper (method, callinfo);
4369 mono_jit_compile_method (MonoMethod *method)
4371 MonoException *ex = NULL;
4374 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
4377 mono_raise_exception (ex);
4383 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4385 invalidated_delegate_trampoline (char *desc)
4387 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
4388 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
4394 * mono_jit_free_method:
4396 * Free all memory allocated by the JIT for METHOD.
4399 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
4401 MonoJitDynamicMethodInfo *ji;
4402 gboolean destroy = TRUE;
4404 g_assert (method->dynamic);
4406 mono_domain_lock (domain);
4407 ji = mono_dynamic_code_hash_lookup (domain, method);
4408 mono_domain_unlock (domain);
4412 mono_domain_lock (domain);
4413 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
4414 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
4415 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
4416 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
4417 mono_domain_unlock (domain);
4419 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4420 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
4422 * Instead of freeing the code, change it to call an error routine
4423 * so people can fix their code.
4425 char *type = mono_type_full_name (&method->klass->byval_arg);
4426 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
4429 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
4435 * This needs to be done before freeing code_mp, since the code address is the
4436 * key in the table, so if we free the code_mp first, another thread can grab the
4437 * same code address and replace our entry in the table.
4439 mono_jit_info_table_remove (domain, ji->ji);
4442 mono_code_manager_destroy (ji->code_mp);
4447 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
4449 MonoDomain *target_domain;
4452 if (default_opt & MONO_OPT_SHARED)
4453 target_domain = mono_get_root_domain ();
4455 target_domain = domain;
4457 info = lookup_method (target_domain, method);
4459 /* We can't use a domain specific method in another domain */
4460 if (! ((domain != target_domain) && !info->domain_neutral)) {
4461 mono_jit_stats.methods_lookups++;
4464 return info->code_start;
4474 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
4476 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
4481 gpointer compiled_method;
4482 gpointer runtime_invoke;
4484 MonoDynCallInfo *dyn_call_info;
4485 MonoClass *ret_box_class;
4486 } RuntimeInvokeInfo;
4489 * mono_jit_runtime_invoke:
4490 * @method: the method to invoke
4491 * @obj: this pointer
4492 * @params: array of parameter values.
4493 * @exc: used to catch exceptions objects
4496 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
4499 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
4500 MonoDomain *domain = mono_domain_get ();
4501 MonoJitDomainInfo *domain_info;
4502 RuntimeInvokeInfo *info, *info2;
4504 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
4505 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
4509 domain_info = domain_jit_info (domain);
4511 mono_domain_lock (domain);
4512 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
4513 mono_domain_unlock (domain);
4516 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
4518 * This might be redundant since mono_class_vtable () already does this,
4519 * but keep it just in case for moonlight.
4521 mono_class_setup_vtable (method->klass);
4522 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
4524 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
4526 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
4531 info = g_new0 (RuntimeInvokeInfo, 1);
4533 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
4534 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
4535 g_assert (info->vtable);
4537 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4538 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4540 * Array Get/Set/Address methods. The JIT implements them using inline code
4541 * inside the runtime invoke wrappers, so no need to compile them.
4543 info->compiled_method = NULL;
4545 MonoException *jit_ex = NULL;
4547 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
4548 if (!info->compiled_method) {
4552 *exc = (MonoObject*)jit_ex;
4555 mono_raise_exception (jit_ex);
4559 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
4560 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
4564 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
4565 * in full-aot mode, so we use a slower, but more generic wrapper if
4566 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
4568 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
4569 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
4570 MonoMethodSignature *sig = mono_method_signature (method);
4571 gboolean supported = TRUE;
4574 if (method->string_ctor)
4575 sig = mono_marshal_get_string_ctor_signature (method);
4577 for (i = 0; i < sig->param_count; ++i) {
4578 MonoType *t = sig->params [i];
4580 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4584 if (method->klass->contextbound || !info->compiled_method)
4588 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
4590 if (info->dyn_call_info) {
4591 switch (sig->ret->type) {
4592 case MONO_TYPE_VOID:
4604 case MONO_TYPE_BOOLEAN:
4605 case MONO_TYPE_CHAR:
4608 info->ret_box_class = mono_class_from_mono_type (sig->ret);
4611 info->ret_box_class = mono_defaults.int_class;
4613 case MONO_TYPE_STRING:
4614 case MONO_TYPE_CLASS:
4615 case MONO_TYPE_ARRAY:
4616 case MONO_TYPE_SZARRAY:
4617 case MONO_TYPE_OBJECT:
4619 case MONO_TYPE_GENERICINST:
4620 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
4621 info->ret_box_class = mono_class_from_mono_type (sig->ret);
4623 case MONO_TYPE_VALUETYPE:
4624 info->ret_box_class = mono_class_from_mono_type (sig->ret);
4627 g_assert_not_reached ();
4634 if (!info->dyn_call_info)
4635 info->runtime_invoke = mono_jit_compile_method (invoke);
4637 mono_domain_lock (domain);
4638 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
4643 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
4645 mono_domain_unlock (domain);
4648 runtime_invoke = info->runtime_invoke;
4651 * We need this here because mono_marshal_get_runtime_invoke can place
4652 * the helper method in System.Object and not the target class.
4654 mono_runtime_class_init (info->vtable);
4656 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
4657 if (info->dyn_call_info) {
4658 MonoMethodSignature *sig = mono_method_signature (method);
4660 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
4663 guint8 retval [128];
4665 if (!dyn_runtime_invoke) {
4666 invoke = mono_marshal_get_runtime_invoke_dynamic ();
4667 dyn_runtime_invoke = mono_jit_compile_method (invoke);
4670 /* Convert the arguments to the format expected by start_dyn_call () */
4671 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
4674 args [pindex ++] = &obj;
4675 for (i = 0; i < sig->param_count; ++i) {
4676 MonoType *t = sig->params [i];
4679 args [pindex ++] = ¶ms [i];
4680 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
4681 args [pindex ++] = ¶ms [i];
4683 args [pindex ++] = params [i];
4687 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
4689 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
4691 dyn_runtime_invoke (buf, exc, info->compiled_method);
4693 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
4695 if (info->ret_box_class)
4696 return mono_value_box (domain, info->ret_box_class, retval);
4698 return *(MonoObject**)retval;
4702 return runtime_invoke (obj, params, exc, info->compiled_method);
4706 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
4708 MonoException *exc = NULL;
4710 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
4715 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
4717 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
4718 if (mono_arch_is_int_overflow (ctx, info))
4719 exc = mono_get_exception_arithmetic ();
4721 exc = mono_get_exception_divide_by_zero ();
4723 exc = mono_get_exception_divide_by_zero ();
4727 if (mono_chain_signal (SIG_HANDLER_PARAMS))
4730 mono_handle_native_sigsegv (SIGSEGV, ctx);
4733 mono_arch_handle_exception (ctx, exc, FALSE);
4737 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
4742 exc = mono_get_exception_execution_engine ("SIGILL");
4744 mono_arch_handle_exception (ctx, exc, FALSE);
4748 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
4750 #ifndef MONO_ARCH_SIGSEGV_ON_ALTSTACK
4751 MonoException *exc = NULL;
4754 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
4758 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4759 if (mono_arch_is_single_step_event (info, ctx)) {
4760 mono_debugger_agent_single_step_event (ctx);
4762 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
4763 mono_debugger_agent_breakpoint_hit (ctx);
4768 /* The thread might no be registered with the runtime */
4769 if (!mono_domain_get () || !jit_tls) {
4770 if (mono_chain_signal (SIG_HANDLER_PARAMS))
4772 mono_handle_native_sigsegv (SIGSEGV, ctx);
4775 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
4777 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
4778 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
4781 /* The hard-guard page has been hit: there is not much we can do anymore
4782 * Print a hopefully clear message and abort.
4784 if (jit_tls->stack_size &&
4785 ABS ((guint8*)info->si_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 32768) {
4787 /* we don't do much now, but we can warn the user with a useful message */
4788 fprintf (stderr, "Stack overflow: IP: %p, fault addr: %p\n", mono_arch_ip_from_context (ctx), (gpointer)info->si_addr);
4789 if (ji && ji->method)
4790 method = mono_method_full_name (ji->method, TRUE);
4792 method = "Unmanaged";
4793 fprintf (stderr, "At %s\n", method);
4796 /* The original handler might not like that it is executed on an altstack... */
4797 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
4800 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
4805 if (mono_chain_signal (SIG_HANDLER_PARAMS))
4808 mono_handle_native_sigsegv (SIGSEGV, ctx);
4811 mono_arch_handle_exception (ctx, exc, FALSE);
4816 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
4821 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
4823 mono_arch_handle_exception (ctx, exc, FALSE);
4826 /* mono_jit_create_remoting_trampoline:
4827 * @method: pointer to the method info
4829 * Creates a trampoline which calls the remoting functions. This
4830 * is used in the vtable of transparent proxies.
4832 * Returns: a pointer to the newly created code
4835 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
4838 guint8 *addr = NULL;
4840 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
4841 return mono_arch_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
4845 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
4846 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
4847 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
4848 addr = mono_compile_method (nm);
4850 addr = mono_compile_method (method);
4852 return mono_get_addr_from_ftnptr (addr);
4855 #ifdef MONO_ARCH_HAVE_IMT
4856 static G_GNUC_UNUSED gpointer
4857 mini_get_imt_trampoline (void)
4859 static gpointer tramp = NULL;
4861 tramp = mono_create_specific_trampoline (MONO_FAKE_IMT_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
4867 mini_get_vtable_trampoline (void)
4869 static gpointer tramp = NULL;
4871 tramp = mono_create_specific_trampoline (MONO_FAKE_VTABLE_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
4876 mini_parse_debug_options (void)
4878 char *options = getenv ("MONO_DEBUG");
4879 gchar **args, **ptr;
4884 args = g_strsplit (options, ",", -1);
4886 for (ptr = args; ptr && *ptr; ptr++) {
4887 const char *arg = *ptr;
4889 if (!strcmp (arg, "handle-sigint"))
4890 debug_options.handle_sigint = TRUE;
4891 else if (!strcmp (arg, "keep-delegates"))
4892 debug_options.keep_delegates = TRUE;
4893 else if (!strcmp (arg, "collect-pagefault-stats"))
4894 debug_options.collect_pagefault_stats = TRUE;
4895 else if (!strcmp (arg, "break-on-unverified"))
4896 debug_options.break_on_unverified = TRUE;
4897 else if (!strcmp (arg, "no-gdb-backtrace"))
4898 debug_options.no_gdb_backtrace = TRUE;
4899 else if (!strcmp (arg, "suspend-on-sigsegv"))
4900 debug_options.suspend_on_sigsegv = TRUE;
4901 else if (!strcmp (arg, "dont-free-domains"))
4902 mono_dont_free_domains = TRUE;
4903 else if (!strcmp (arg, "dyn-runtime-invoke"))
4904 debug_options.dyn_runtime_invoke = TRUE;
4905 else if (!strcmp (arg, "gdb"))
4906 debug_options.gdb = TRUE;
4907 else if (!strcmp (arg, "explicit-null-checks"))
4908 debug_options.explicit_null_checks = TRUE;
4910 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
4911 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'\n");
4920 mini_get_debug_options (void)
4922 return &debug_options;
4926 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
4931 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
4937 #elif defined(__ppc64__) || defined(__powerpc64__)
4940 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
4953 mini_get_addr_from_ftnptr (gpointer descr)
4955 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
4956 return *(gpointer*)descr;
4962 static void runtime_invoke_info_free (gpointer value);
4965 mini_create_jit_domain_info (MonoDomain *domain)
4967 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
4969 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4970 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4971 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4972 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4973 info->static_rgctx_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4974 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4975 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
4976 info->seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
4977 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
4979 domain->runtime_info = info;
4983 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
4985 g_slist_free (value);
4989 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
4991 MonoJitDynamicMethodInfo *di = value;
4992 mono_code_manager_destroy (di->code_mp);
4997 runtime_invoke_info_free (gpointer value)
4999 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
5001 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5002 if (info->dyn_call_info)
5003 mono_arch_dyn_call_free (info->dyn_call_info);
5009 mini_free_jit_domain_info (MonoDomain *domain)
5011 MonoJitDomainInfo *info = domain_jit_info (domain);
5013 if (info->jump_target_hash) {
5014 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
5015 g_hash_table_destroy (info->jump_target_hash);
5017 if (info->jump_target_got_slot_hash) {
5018 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
5019 g_hash_table_destroy (info->jump_target_got_slot_hash);
5021 if (info->dynamic_code_hash) {
5022 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
5023 g_hash_table_destroy (info->dynamic_code_hash);
5025 if (info->method_code_hash)
5026 g_hash_table_destroy (info->method_code_hash);
5027 g_hash_table_destroy (info->class_init_trampoline_hash);
5028 g_hash_table_destroy (info->jump_trampoline_hash);
5029 g_hash_table_destroy (info->jit_trampoline_hash);
5030 g_hash_table_destroy (info->delegate_trampoline_hash);
5031 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
5032 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
5033 g_hash_table_destroy (info->runtime_invoke_hash);
5035 if (info->agent_info)
5036 mono_debugger_agent_free_domain_info (domain);
5038 g_free (domain->runtime_info);
5039 domain->runtime_info = NULL;
5043 mini_init (const char *filename, const char *runtime_version)
5046 MonoRuntimeCallbacks callbacks;
5048 MONO_PROBE_VES_INIT_BEGIN ();
5051 if (access ("/proc/self/maps", F_OK) != 0) {
5052 g_print ("Mono requires /proc to be mounted.\n");
5057 /* Happens when using the embedding interface */
5058 if (!default_opt_set)
5059 default_opt = mono_parse_default_optimizations (NULL);
5061 InitializeCriticalSection (&jit_mutex);
5063 #ifdef MONO_DEBUGGER_SUPPORTED
5064 if (mini_debug_running_inside_mdb ())
5065 mini_debugger_init ();
5068 #ifdef MONO_ARCH_HAVE_TLS_GET
5069 mono_runtime_set_has_tls_get (TRUE);
5071 mono_runtime_set_has_tls_get (FALSE);
5074 if (!global_codeman)
5075 global_codeman = mono_code_manager_new ();
5076 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
5078 memset (&callbacks, 0, sizeof (callbacks));
5079 callbacks.create_ftnptr = mini_create_ftnptr;
5080 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
5081 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
5083 mono_install_callbacks (&callbacks);
5085 mono_arch_cpu_init ();
5089 mono_unwind_init ();
5093 if (getenv ("MONO_DEBUG") != NULL)
5094 mini_parse_debug_options ();
5096 if (getenv ("MONO_XDEBUG")) {
5097 char *xdebug_opts = getenv ("MONO_XDEBUG");
5098 mono_xdebug_init (xdebug_opts);
5099 /* So methods for multiple domains don't have the same address */
5100 mono_dont_free_domains = TRUE;
5101 mono_using_xdebug = TRUE;
5102 } else if (mini_get_debug_options ()->gdb) {
5103 mono_xdebug_init ((char*)"gdb");
5104 mono_dont_free_domains = TRUE;
5105 mono_using_xdebug = TRUE;
5112 mono_trampolines_init ();
5114 if (!g_thread_supported ())
5115 g_thread_init (NULL);
5117 mono_gc_base_init ();
5119 mono_jit_tls_id = TlsAlloc ();
5120 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
5122 if (default_opt & MONO_OPT_AOT)
5125 mono_debugger_agent_init ();
5127 #ifdef MONO_ARCH_GSHARED_SUPPORTED
5128 mono_set_generic_sharing_supported (TRUE);
5131 #ifndef MONO_CROSS_COMPILE
5132 mono_runtime_install_handlers ();
5134 mono_threads_install_cleanup (mini_thread_cleanup);
5136 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
5137 // This is experimental code so provide an env var to switch it off
5138 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
5139 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
5141 check_for_pending_exc = FALSE;
5142 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
5146 #define JIT_TRAMPOLINES_WORK
5147 #ifdef JIT_TRAMPOLINES_WORK
5148 mono_install_compile_method (mono_jit_compile_method);
5149 mono_install_free_method (mono_jit_free_method);
5150 #ifdef MONO_ARCH_LLVM_SUPPORTED
5152 /* The runtime currently only uses this for filling out vtables */
5153 mono_install_trampoline (mono_create_llvm_vcall_trampoline);
5155 mono_install_trampoline (mono_create_jit_trampoline);
5157 mono_install_trampoline (mono_create_jit_trampoline);
5159 mono_install_jump_trampoline (mono_create_jump_trampoline);
5160 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
5161 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
5162 mono_install_create_domain_hook (mini_create_jit_domain_info);
5163 mono_install_free_domain_hook (mini_free_jit_domain_info);
5165 #define JIT_INVOKE_WORKS
5166 #ifdef JIT_INVOKE_WORKS
5167 mono_install_runtime_invoke (mono_jit_runtime_invoke);
5169 mono_install_stack_walk (mono_jit_walk_stack);
5170 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
5171 mono_install_get_class_from_name (mono_aot_get_class_from_name);
5172 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
5174 if (runtime_version)
5175 domain = mono_init_version (filename, runtime_version);
5177 domain = mono_init_from_assembly (filename, filename);
5179 if (mono_aot_only) {
5180 /* This helps catch code allocation requests */
5181 mono_code_manager_set_read_only (domain->code_mp);
5184 #ifdef MONO_ARCH_HAVE_IMT
5187 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
5189 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
5190 if (!mono_use_llvm) {
5191 /* LLVM needs a per-method vtable trampoline */
5192 mono_install_vtable_trampoline (mini_get_vtable_trampoline ());
5194 * The imt code in mono_magic_trampoline () can't handle LLVM code. By disabling
5195 * this, we force iface calls to go through the llvm vcall trampoline.
5197 mono_install_imt_trampoline (mini_get_imt_trampoline ());
5202 /* This must come after mono_init () in the aot-only case */
5203 mono_exceptions_init ();
5204 mono_install_handler (mono_get_throw_exception ());
5208 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
5209 ves_icall_get_frame_info);
5210 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
5211 ves_icall_get_trace);
5212 mono_add_internal_call ("System.Exception::get_trace",
5213 ves_icall_System_Exception_get_trace);
5214 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
5215 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
5216 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
5217 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
5218 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
5219 mono_runtime_install_handlers);
5222 create_helper_signature ();
5224 #define JIT_CALLS_WORK
5225 #ifdef JIT_CALLS_WORK
5226 /* Needs to be called here since register_jit_icall depends on it */
5227 mono_marshal_init ();
5229 mono_arch_register_lowlevel_calls ();
5230 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
5231 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
5232 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
5233 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
5234 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
5235 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
5236 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
5238 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
5239 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
5240 register_icall (mono_get_throw_exception_by_name (), "mono_arch_throw_exception_by_name", "void ptr", TRUE);
5241 #if MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION
5242 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
5245 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
5246 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
5247 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
5248 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
5249 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
5252 * NOTE, NOTE, NOTE, NOTE:
5253 * when adding emulation for some opcodes, remember to also add a dummy
5254 * rule to the burg files, because we need the arity information to be correct.
5256 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
5257 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
5258 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
5259 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
5260 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
5261 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
5262 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
5263 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
5266 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
5267 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
5268 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
5269 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
5272 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
5273 mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE);
5274 mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5275 mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE);
5276 mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5277 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
5278 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5279 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
5280 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5283 #ifdef MONO_ARCH_EMULATE_MUL_DIV
5284 mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE);
5285 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
5288 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
5289 mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5290 mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5291 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5292 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5295 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
5296 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
5299 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
5300 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
5301 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
5302 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
5304 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
5305 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
5307 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
5308 mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5309 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5311 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
5312 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
5314 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
5315 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
5317 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
5318 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
5320 #ifdef MONO_ARCH_EMULATE_FREM
5321 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
5324 #ifdef MONO_ARCH_SOFT_FLOAT
5325 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
5326 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
5327 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
5328 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
5329 mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE);
5330 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
5331 mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE);
5332 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
5333 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
5334 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
5335 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
5336 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
5337 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
5338 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
5339 #if SIZEOF_VOID_P == 4
5340 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
5343 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
5344 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
5345 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
5346 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
5347 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
5348 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
5349 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
5350 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
5351 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
5352 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
5354 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
5355 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
5356 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
5357 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
5358 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
5360 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
5361 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
5362 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
5363 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
5366 #if SIZEOF_REGISTER == 4
5367 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
5370 /* other jit icalls */
5371 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
5372 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
5373 "ptr ptr ptr", FALSE);
5374 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
5375 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
5376 "ptr ptr ptr ptr", FALSE);
5377 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
5378 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
5379 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
5380 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
5381 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
5382 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
5383 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
5384 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
5385 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
5386 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
5387 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
5388 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
5389 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
5390 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
5391 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
5392 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
5393 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
5394 register_icall (mono_break, "mono_break", NULL, TRUE);
5395 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
5396 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
5397 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
5398 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
5399 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
5402 mono_generic_sharing_init ();
5404 #ifdef MONO_ARCH_SIMD_INTRINSICS
5405 mono_simd_intrinsics_init ();
5408 #if MONO_SUPPORT_TASKLETS
5409 mono_tasklets_init ();
5412 if (mono_compile_aot)
5414 * Avoid running managed code when AOT compiling, since the platform
5415 * might only support aot-only execution.
5417 mono_runtime_set_no_exec (TRUE);
5419 #define JIT_RUNTIME_WORKS
5420 #ifdef JIT_RUNTIME_WORKS
5421 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
5422 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
5423 mono_thread_attach (domain);
5426 mono_profiler_runtime_initialized ();
5428 MONO_PROBE_VES_INIT_END ();
5433 MonoJitStats mono_jit_stats = {0};
5436 print_jit_stats (void)
5438 if (mono_jit_stats.enabled) {
5439 g_print ("Mono Jit statistics\n");
5440 g_print ("Compiled methods: %ld\n", mono_jit_stats.methods_compiled);
5441 g_print ("Methods from AOT: %ld\n", mono_jit_stats.methods_aot);
5442 g_print ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups);
5443 g_print ("Method trampolines: %ld\n", mono_jit_stats.method_trampolines);
5444 g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks);
5445 g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks);
5446 g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var);
5447 g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size);
5448 g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size);
5449 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
5450 mono_jit_stats.max_ratio_method);
5451 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
5452 mono_jit_stats.biggest_method);
5453 g_print ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs);
5454 g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size);
5455 g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods);
5456 g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods);
5457 g_print ("Regvars: %ld\n", mono_jit_stats.regvars);
5458 g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size);
5460 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
5461 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
5462 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
5463 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
5464 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
5465 g_print ("Methods: %ld\n", mono_stats.method_count);
5466 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
5467 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
5468 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
5470 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
5471 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
5472 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
5474 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
5475 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
5476 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
5478 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
5479 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
5480 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
5482 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
5483 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
5484 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
5485 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
5486 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
5487 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
5488 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
5489 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
5491 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
5492 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
5493 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
5495 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
5497 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
5499 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
5501 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
5503 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
5504 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
5505 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
5506 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
5507 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
5508 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
5509 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
5510 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
5513 g_free (mono_jit_stats.max_ratio_method);
5514 mono_jit_stats.max_ratio_method = NULL;
5515 g_free (mono_jit_stats.biggest_method);
5516 mono_jit_stats.biggest_method = NULL;
5521 mini_cleanup (MonoDomain *domain)
5523 mono_runtime_shutdown_stat_profiler ();
5526 cominterop_release_all_rcws ();
5529 #ifndef MONO_CROSS_COMPILE
5531 * mono_runtime_cleanup() and mono_domain_finalize () need to
5532 * be called early since they need the execution engine still
5533 * fully working (mono_domain_finalize may invoke managed finalizers
5534 * and mono_runtime_cleanup will wait for other threads to finish).
5536 mono_domain_finalize (domain, 2000);
5539 /* This accesses metadata so needs to be called before runtime shutdown */
5542 mono_profiler_shutdown ();
5544 #ifndef MONO_CROSS_COMPILE
5545 mono_runtime_cleanup (domain);
5548 mono_icall_cleanup ();
5550 mono_runtime_cleanup_handlers ();
5552 mono_domain_free (domain, TRUE);
5554 mono_debugger_cleanup ();
5557 mono_llvm_cleanup ();
5560 mono_trampolines_cleanup ();
5562 mono_unwind_cleanup ();
5564 if (!mono_dont_free_global_codeman)
5565 mono_code_manager_destroy (global_codeman);
5566 g_hash_table_destroy (jit_icall_name_hash);
5567 g_free (emul_opcode_map);
5569 mono_arch_cleanup ();
5573 mono_trace_cleanup ();
5575 mono_counters_dump (-1, stdout);
5577 if (mono_inject_async_exc_method)
5578 mono_method_desc_free (mono_inject_async_exc_method);
5580 TlsFree(mono_jit_tls_id);
5582 DeleteCriticalSection (&jit_mutex);
5584 DeleteCriticalSection (&mono_delegate_section);
5588 mono_set_defaults (int verbose_level, guint32 opts)
5590 mini_verbose = verbose_level;
5592 default_opt_set = TRUE;
5596 mono_disable_optimizations (guint32 opts)
5598 default_opt &= ~opts;
5602 * mono_get_runtime_build_info:
5604 * Return the runtime version + build date in string format.
5605 * The returned string is owned by the caller.
5608 mono_get_runtime_build_info (void)
5610 if (mono_build_date)
5611 return g_strdup_printf ("%s %s", FULL_VERSION, mono_build_date);
5613 return g_strdup_printf ("%s", FULL_VERSION);
5617 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
5619 GHashTable *assemblies = (GHashTable*)user_data;
5620 MonoImage *image = mono_assembly_get_image (ass);
5621 MonoMethod *method, *invoke;
5624 if (g_hash_table_lookup (assemblies, ass))
5627 g_hash_table_insert (assemblies, ass, ass);
5629 if (mini_verbose > 0)
5630 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
5632 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
5633 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
5634 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
5638 if (mini_verbose > 1) {
5639 char * desc = mono_method_full_name (method, TRUE);
5640 g_print ("Compiling %d %s\n", count, desc);
5643 mono_compile_method (method);
5644 if (strcmp (method->name, "Finalize") == 0) {
5645 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5646 mono_compile_method (invoke);
5648 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
5649 invoke = mono_marshal_get_remoting_invoke_with_check (method);
5650 mono_compile_method (invoke);
5654 /* Load and precompile referenced assemblies as well */
5655 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
5656 mono_assembly_load_reference (image, i);
5657 if (image->references [i])
5658 mono_precompile_assembly (image->references [i], assemblies);
5662 void mono_precompile_assemblies ()
5664 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
5666 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
5668 g_hash_table_destroy (assemblies);
5672 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
5673 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);