2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * (C) 2002 Ximian, Inc.
20 #ifdef HAVE_SYS_TIME_H
24 #include <mono/utils/memcheck.h>
26 #include <mono/metadata/assembly.h>
27 #include <mono/metadata/loader.h>
28 #include <mono/metadata/tabledefs.h>
29 #include <mono/metadata/class.h>
30 #include <mono/metadata/object.h>
31 #include <mono/metadata/tokentype.h>
32 #include <mono/metadata/tabledefs.h>
33 #include <mono/metadata/threads.h>
34 #include <mono/metadata/appdomain.h>
35 #include <mono/metadata/debug-helpers.h>
36 #include <mono/io-layer/io-layer.h>
37 #include "mono/metadata/profiler.h"
38 #include <mono/metadata/profiler-private.h>
39 #include <mono/metadata/mono-config.h>
40 #include <mono/metadata/environment.h>
41 #include <mono/metadata/mono-debug.h>
42 #include <mono/metadata/gc-internal.h>
43 #include <mono/metadata/threads-types.h>
44 #include <mono/metadata/verify.h>
45 #include <mono/metadata/verify-internals.h>
46 #include <mono/metadata/mempool-internals.h>
47 #include <mono/metadata/attach.h>
48 #include <mono/utils/mono-math.h>
49 #include <mono/utils/mono-compiler.h>
50 #include <mono/utils/mono-counters.h>
51 #include <mono/utils/mono-logger-internal.h>
52 #include <mono/utils/mono-mmap.h>
53 #include <mono/utils/dtrace.h>
62 #include "jit-icalls.h"
64 #include "debug-mini.h"
66 #include "debugger-agent.h"
68 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
70 /* helper methods signature */
71 /* FIXME: Make these static again */
72 MonoMethodSignature *helper_sig_class_init_trampoline = NULL;
73 MonoMethodSignature *helper_sig_domain_get = NULL;
74 MonoMethodSignature *helper_sig_generic_class_init_trampoline = NULL;
75 MonoMethodSignature *helper_sig_rgctx_lazy_fetch_trampoline = NULL;
76 MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline = NULL;
77 MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline_llvm = NULL;
79 static guint32 default_opt = 0;
80 static gboolean default_opt_set = FALSE;
82 guint32 mono_jit_tls_id = -1;
85 static __thread gpointer mono_jit_tls MONO_TLS_FAST;
88 MonoTraceSpec *mono_jit_trace_calls = NULL;
89 gboolean mono_break_on_exc = FALSE;
90 gboolean mono_compile_aot = FALSE;
91 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
92 gboolean mono_aot_only = FALSE;
93 /* Whenever to use IMT */
94 #ifdef MONO_ARCH_HAVE_IMT
95 gboolean mono_use_imt = TRUE;
97 gboolean mono_use_imt = FALSE;
99 MonoMethodDesc *mono_inject_async_exc_method = NULL;
100 int mono_inject_async_exc_pos;
101 MonoMethodDesc *mono_break_at_bb_method = NULL;
102 int mono_break_at_bb_bb_num;
103 gboolean mono_do_x86_stack_align = TRUE;
104 const char *mono_build_date;
105 gboolean mono_do_signal_chaining;
106 static gboolean mono_using_xdebug;
107 static int mini_verbose = 0;
111 static int methods_with_llvm, methods_without_llvm;
115 * This flag controls whenever the runtime uses LLVM compiled code.
116 * Enabling this causes different/slower code paths to be used, which is why it
118 * Changes when this flag is set include:
119 * - a per method vtable trampoline is used to handle virtual calls, instead of only
121 * - fast generic virtual calls are not supported.
123 gboolean mono_use_llvm = FALSE;
125 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
126 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
127 static CRITICAL_SECTION jit_mutex;
129 static MonoCodeManager *global_codeman = NULL;
131 static GHashTable *jit_icall_name_hash = NULL;
133 static MonoDebugOptions debug_options;
135 #ifdef VALGRIND_JIT_REGISTER_MAP
136 static int valgrind_register = 0;
140 * Table written to by the debugger with a 1-based index into the
141 * mono_breakpoint_info table, which contains changes made to
142 * the JIT instructions by the debugger.
145 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
147 /* Whenever to check for pending exceptions in managed-to-native wrappers */
148 gboolean check_for_pending_exc = TRUE;
150 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
151 gboolean disable_vtypes_in_regs = FALSE;
153 gboolean mono_dont_free_global_codeman;
156 mono_running_on_valgrind (void)
158 if (RUNNING_ON_VALGRIND){
159 #ifdef VALGRIND_JIT_REGISTER_MAP
160 valgrind_register = TRUE;
168 MonoExceptionClause *clause;
169 MonoBasicBlock *basic_block;
179 find_tramp (gpointer key, gpointer value, gpointer user_data)
181 FindTrampUserData *ud = (FindTrampUserData*)user_data;
184 ud->method = (MonoMethod*)key;
188 G_GNUC_UNUSED static char*
189 get_method_from_ip (void *ip)
194 MonoDomain *domain = mono_domain_get ();
195 MonoDebugSourceLocation *location;
196 FindTrampUserData user_data;
198 ji = mono_jit_info_table_find (domain, ip);
201 user_data.method = NULL;
202 mono_domain_lock (domain);
203 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
204 mono_domain_unlock (domain);
205 if (user_data.method) {
206 char *mname = mono_method_full_name (user_data.method, TRUE);
207 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
214 method = mono_method_full_name (ji->method, TRUE);
215 /* FIXME: unused ? */
216 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
218 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);
220 mono_debug_free_source_location (location);
228 * @ip: an instruction pointer address
230 * This method is used from a debugger to get the name of the
231 * method at address @ip. This routine is typically invoked from
232 * a debugger like this:
234 * (gdb) print mono_pmip ($pc)
236 * Returns: the name of the method at address @ip.
241 return get_method_from_ip (ip);
245 * mono_print_method_from_ip
246 * @ip: an instruction pointer address
248 * This method is used from a debugger to get the name of the
249 * method at address @ip.
251 * This prints the name of the method at address @ip in the standard
252 * output. Unlike mono_pmip which returns a string, this routine
253 * prints the value on the standard output.
256 mono_print_method_from_ip (void *ip)
260 MonoDebugSourceLocation *source;
261 MonoDomain *domain = mono_domain_get ();
262 MonoDomain *target_domain = mono_domain_get ();
263 FindTrampUserData user_data;
265 ji = mini_jit_info_table_find (domain, ip, &target_domain);
268 user_data.method = NULL;
269 mono_domain_lock (domain);
270 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
271 mono_domain_unlock (domain);
272 if (user_data.method) {
273 char *mname = mono_method_full_name (user_data.method, TRUE);
274 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
278 g_print ("No method at %p\n", ip);
281 method = mono_method_full_name (ji->method, TRUE);
282 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
284 g_print ("IP %p at offset 0x%x of method %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
287 g_print ("%s:%d\n", source->source_file, source->row);
289 mono_debug_free_source_location (source);
294 * mono_method_same_domain:
296 * Determine whenever two compiled methods are in the same domain, thus
297 * the address of the callee can be embedded in the caller.
299 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
301 if (!caller || !callee)
305 * If the call was made from domain-neutral to domain-specific
306 * code, we can't patch the call site.
308 if (caller->domain_neutral && !callee->domain_neutral)
311 if ((caller->method->klass == mono_defaults.appdomain_class) &&
312 (strstr (caller->method->name, "InvokeInDomain"))) {
313 /* The InvokeInDomain methods change the current appdomain */
321 * mono_global_codeman_reserve:
323 * Allocate code memory from the global code manager.
325 void *mono_global_codeman_reserve (int size)
330 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
332 if (!global_codeman) {
333 /* This can happen during startup */
334 global_codeman = mono_code_manager_new ();
335 return mono_code_manager_reserve (global_codeman, size);
339 ptr = mono_code_manager_reserve (global_codeman, size);
346 * mono_create_unwind_op:
348 * Create an unwind op with the given parameters.
351 mono_create_unwind_op (int when, int tag, int reg, int val)
353 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
364 * mono_emit_unwind_op:
366 * Add an unwind op with the given parameters for the list of unwind ops stored in
370 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
372 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
379 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
383 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
385 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
388 res->has_context = context != NULL;
390 memcpy (&res->context, context, sizeof (MonoGenericContext));
396 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
398 return mono_jump_info_token_new2 (mp, image, token, NULL);
401 #define MONO_INIT_VARINFO(vi,id) do { \
402 (vi)->range.first_use.pos.bid = 0xffff; \
408 * mono_unlink_bblock:
410 * Unlink two basic blocks.
413 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
419 for (i = 0; i < from->out_count; ++i) {
420 if (to == from->out_bb [i]) {
427 for (i = 0; i < from->out_count; ++i) {
428 if (from->out_bb [i] != to)
429 from->out_bb [pos ++] = from->out_bb [i];
431 g_assert (pos == from->out_count - 1);
436 for (i = 0; i < to->in_count; ++i) {
437 if (from == to->in_bb [i]) {
444 for (i = 0; i < to->in_count; ++i) {
445 if (to->in_bb [i] != from)
446 to->in_bb [pos ++] = to->in_bb [i];
448 g_assert (pos == to->in_count - 1);
454 * mono_bblocks_linked:
456 * Return whenever BB1 and BB2 are linked in the CFG.
459 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
463 for (i = 0; i < bb1->out_count; ++i) {
464 if (bb1->out_bb [i] == bb2)
472 mono_find_block_region_notry (MonoCompile *cfg, int offset)
474 MonoMethodHeader *header = cfg->header;
475 MonoExceptionClause *clause;
478 for (i = 0; i < header->num_clauses; ++i) {
479 clause = &header->clauses [i];
480 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
481 (offset < (clause->handler_offset)))
482 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
484 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
485 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
486 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
487 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
488 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
490 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
498 * mono_get_block_region_notry:
500 * Return the region corresponding to REGION, ignoring try clauses nested inside
504 mono_get_block_region_notry (MonoCompile *cfg, int region)
506 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
507 MonoMethodHeader *header = cfg->header;
510 * This can happen if a try clause is nested inside a finally clause.
512 int clause_index = (region >> 8) - 1;
513 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
515 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
522 mono_find_spvar_for_region (MonoCompile *cfg, int region)
524 region = mono_get_block_region_notry (cfg, region);
526 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
530 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
534 array [*dfn] = start;
535 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
536 for (i = 0; i < start->out_count; ++i) {
537 if (start->out_bb [i]->dfn)
540 start->out_bb [i]->dfn = *dfn;
541 start->out_bb [i]->df_parent = start;
542 array [*dfn] = start->out_bb [i];
543 df_visit (start->out_bb [i], dfn, array);
548 mono_reverse_branch_op (guint32 opcode)
550 static const int reverse_map [] = {
551 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
552 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
554 static const int reverse_fmap [] = {
555 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
556 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
558 static const int reverse_lmap [] = {
559 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
560 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
562 static const int reverse_imap [] = {
563 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
564 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
567 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
568 opcode = reverse_map [opcode - CEE_BEQ];
569 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
570 opcode = reverse_fmap [opcode - OP_FBEQ];
571 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
572 opcode = reverse_lmap [opcode - OP_LBEQ];
573 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
574 opcode = reverse_imap [opcode - OP_IBEQ];
576 g_assert_not_reached ();
582 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
585 return OP_STORE_MEMBASE_REG;
588 switch (type->type) {
591 case MONO_TYPE_BOOLEAN:
592 return OP_STOREI1_MEMBASE_REG;
596 return OP_STOREI2_MEMBASE_REG;
599 return OP_STOREI4_MEMBASE_REG;
603 case MONO_TYPE_FNPTR:
604 return OP_STORE_MEMBASE_REG;
605 case MONO_TYPE_CLASS:
606 case MONO_TYPE_STRING:
607 case MONO_TYPE_OBJECT:
608 case MONO_TYPE_SZARRAY:
609 case MONO_TYPE_ARRAY:
610 return OP_STORE_MEMBASE_REG;
613 return OP_STOREI8_MEMBASE_REG;
615 return OP_STORER4_MEMBASE_REG;
617 return OP_STORER8_MEMBASE_REG;
618 case MONO_TYPE_VALUETYPE:
619 if (type->data.klass->enumtype) {
620 type = mono_class_enum_basetype (type->data.klass);
623 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
624 return OP_STOREX_MEMBASE;
625 return OP_STOREV_MEMBASE;
626 case MONO_TYPE_TYPEDBYREF:
627 return OP_STOREV_MEMBASE;
628 case MONO_TYPE_GENERICINST:
629 type = &type->data.generic_class->container_class->byval_arg;
633 /* FIXME: all the arguments must be references for now,
634 * later look inside cfg and see if the arg num is
637 g_assert (cfg->generic_sharing_context);
638 return OP_STORE_MEMBASE_REG;
640 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
646 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
649 return OP_LOAD_MEMBASE;
651 type = mono_type_get_underlying_type (type);
653 switch (type->type) {
655 return OP_LOADI1_MEMBASE;
657 case MONO_TYPE_BOOLEAN:
658 return OP_LOADU1_MEMBASE;
660 return OP_LOADI2_MEMBASE;
663 return OP_LOADU2_MEMBASE;
665 return OP_LOADI4_MEMBASE;
667 return OP_LOADU4_MEMBASE;
671 case MONO_TYPE_FNPTR:
672 return OP_LOAD_MEMBASE;
673 case MONO_TYPE_CLASS:
674 case MONO_TYPE_STRING:
675 case MONO_TYPE_OBJECT:
676 case MONO_TYPE_SZARRAY:
677 case MONO_TYPE_ARRAY:
678 return OP_LOAD_MEMBASE;
681 return OP_LOADI8_MEMBASE;
683 return OP_LOADR4_MEMBASE;
685 return OP_LOADR8_MEMBASE;
686 case MONO_TYPE_VALUETYPE:
687 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
688 return OP_LOADX_MEMBASE;
689 case MONO_TYPE_TYPEDBYREF:
690 return OP_LOADV_MEMBASE;
691 case MONO_TYPE_GENERICINST:
692 if (mono_type_generic_inst_is_valuetype (type))
693 return OP_LOADV_MEMBASE;
695 return OP_LOAD_MEMBASE;
699 /* FIXME: all the arguments must be references for now,
700 * later look inside cfg and see if the arg num is
703 g_assert (cfg->generic_sharing_context);
704 return OP_LOAD_MEMBASE;
706 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
712 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
714 if (cfg->generic_sharing_context && !type->byref) {
715 /* FIXME: all the arguments must be references for now,
716 * later look inside cfg and see if the arg num is
719 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
720 return CEE_LDIND_REF;
722 return mono_type_to_ldind (type);
726 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
728 if (cfg->generic_sharing_context && !type->byref) {
729 /* FIXME: all the arguments must be references for now,
730 * later look inside cfg and see if the arg num is
733 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
734 return CEE_STIND_REF;
736 return mono_type_to_stind (type);
740 mono_op_imm_to_op (int opcode)
744 #if SIZEOF_REGISTER == 4
760 #if SIZEOF_REGISTER == 4
766 #if SIZEOF_REGISTER == 4
772 #if SIZEOF_REGISTER == 4
810 #if SIZEOF_REGISTER == 4
816 #if SIZEOF_REGISTER == 4
835 case OP_ICOMPARE_IMM:
837 case OP_LOCALLOC_IMM:
840 printf ("%s\n", mono_inst_name (opcode));
841 g_assert_not_reached ();
847 * mono_decompose_op_imm:
849 * Replace the OP_.._IMM INS with its non IMM variant.
852 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
856 MONO_INST_NEW (cfg, temp, OP_ICONST);
857 temp->inst_c0 = ins->inst_imm;
858 temp->dreg = mono_alloc_ireg (cfg);
859 mono_bblock_insert_before_ins (bb, ins, temp);
860 ins->opcode = mono_op_imm_to_op (ins->opcode);
861 if (ins->opcode == OP_LOCALLOC)
862 ins->sreg1 = temp->dreg;
864 ins->sreg2 = temp->dreg;
866 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
870 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
872 if (vreg >= cfg->vreg_to_inst_len) {
873 MonoInst **tmp = cfg->vreg_to_inst;
874 int size = cfg->vreg_to_inst_len;
876 while (vreg >= cfg->vreg_to_inst_len)
877 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
878 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
880 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
882 cfg->vreg_to_inst [vreg] = inst;
885 #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)))
886 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
891 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
899 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
902 int num = cfg->num_varinfo;
905 if ((num + 1) >= cfg->varinfo_count) {
906 int orig_count = cfg->varinfo_count;
907 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
908 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
909 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
910 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
913 mono_jit_stats.allocate_var++;
915 MONO_INST_NEW (cfg, inst, opcode);
917 inst->inst_vtype = type;
918 inst->klass = mono_class_from_mono_type (type);
919 type_to_eval_stack_type (cfg, type, inst);
920 /* if set to 1 the variable is native */
921 inst->backend.is_pinvoke = 0;
924 cfg->varinfo [num] = inst;
926 MONO_INIT_VARINFO (&cfg->vars [num], num);
927 MONO_VARINFO (cfg, num)->vreg = vreg;
930 set_vreg_to_inst (cfg, vreg, inst);
932 #if SIZEOF_REGISTER == 4
933 #ifdef MONO_ARCH_SOFT_FLOAT
934 regpair = mono_type_is_long (type) || mono_type_is_float (type);
936 regpair = mono_type_is_long (type);
946 * These two cannot be allocated using create_var_for_vreg since that would
947 * put it into the cfg->varinfo array, confusing many parts of the JIT.
951 * Set flags to VOLATILE so SSA skips it.
954 if (cfg->verbose_level >= 4) {
955 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
958 #ifdef MONO_ARCH_SOFT_FLOAT
959 if (cfg->opt & MONO_OPT_SSA) {
960 if (mono_type_is_float (type))
961 inst->flags = MONO_INST_VOLATILE;
965 /* Allocate a dummy MonoInst for the first vreg */
966 MONO_INST_NEW (cfg, tree, OP_LOCAL);
967 tree->dreg = inst->dreg + 1;
968 if (cfg->opt & MONO_OPT_SSA)
969 tree->flags = MONO_INST_VOLATILE;
971 tree->type = STACK_I4;
972 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
973 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
975 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
977 /* Allocate a dummy MonoInst for the second vreg */
978 MONO_INST_NEW (cfg, tree, OP_LOCAL);
979 tree->dreg = inst->dreg + 2;
980 if (cfg->opt & MONO_OPT_SSA)
981 tree->flags = MONO_INST_VOLATILE;
983 tree->type = STACK_I4;
984 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
985 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
987 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
991 if (cfg->verbose_level > 2)
992 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
997 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1001 if (mono_type_is_long (type))
1002 dreg = mono_alloc_dreg (cfg, STACK_I8);
1003 #ifdef MONO_ARCH_SOFT_FLOAT
1004 else if (mono_type_is_float (type))
1005 dreg = mono_alloc_dreg (cfg, STACK_R8);
1008 /* All the others are unified */
1009 dreg = mono_alloc_preg (cfg);
1011 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1015 * Transform a MonoInst into a load from the variable of index var_index.
1018 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1019 memset (dest, 0, sizeof (MonoInst));
1020 dest->inst_i0 = cfg->varinfo [var_index];
1021 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1022 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1023 dest->klass = dest->inst_i0->klass;
1029 type_from_stack_type (MonoInst *ins) {
1030 switch (ins->type) {
1031 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1032 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1033 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1034 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1037 * this if used to be commented without any specific reason, but
1038 * it breaks #80235 when commented
1041 return &ins->klass->this_arg;
1043 return &mono_defaults.object_class->this_arg;
1045 /* ins->klass may not be set for ldnull.
1046 * Also, if we have a boxed valuetype, we want an object lass,
1047 * not the valuetype class
1049 if (ins->klass && !ins->klass->valuetype)
1050 return &ins->klass->byval_arg;
1051 return &mono_defaults.object_class->byval_arg;
1052 case STACK_VTYPE: return &ins->klass->byval_arg;
1054 g_error ("stack type %d to montype not handled\n", ins->type);
1060 mono_type_from_stack_type (MonoInst *ins) {
1061 return type_from_stack_type (ins);
1065 * mono_add_ins_to_end:
1067 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1070 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1075 MONO_ADD_INS (bb, inst);
1079 switch (bb->last_ins->opcode) {
1093 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1096 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1097 /* Need to insert the ins before the compare */
1098 if (bb->code == bb->last_ins) {
1099 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1103 if (bb->code->next == bb->last_ins) {
1104 /* Only two instructions */
1105 opcode = bb->code->opcode;
1107 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)) {
1109 mono_bblock_insert_before_ins (bb, bb->code, inst);
1111 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1114 opcode = bb->last_ins->prev->opcode;
1116 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)) {
1118 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1120 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1125 MONO_ADD_INS (bb, inst);
1131 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1133 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1134 MonoJumpInfoBBTable *table;
1136 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1138 table->table_size = num_blocks;
1140 ji->ip.label = label;
1141 ji->type = MONO_PATCH_INFO_SWITCH;
1142 ji->data.table = table;
1143 ji->next = cfg->patch_info;
1144 cfg->patch_info = ji;
1147 static MonoMethodSignature *
1148 mono_get_array_new_va_signature (int arity)
1150 static GHashTable *sighash = NULL;
1151 MonoMethodSignature *res;
1156 sighash = g_hash_table_new (NULL, NULL);
1158 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1163 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1166 #ifdef MONO_ARCH_VARARG_ICALLS
1167 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1168 res->call_convention = MONO_CALL_VARARG;
1172 res->call_convention = MONO_CALL_C;
1175 res->params [0] = &mono_defaults.int_class->byval_arg;
1176 for (i = 0; i < arity; i++)
1177 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1179 res->ret = &mono_defaults.object_class->byval_arg;
1181 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1188 mono_get_array_new_va_icall (int rank)
1190 MonoMethodSignature *esig;
1191 char icall_name [256];
1193 MonoJitICallInfo *info;
1195 /* Need to register the icall so it gets an icall wrapper */
1196 sprintf (icall_name, "ves_array_new_va_%d", rank);
1199 info = mono_find_jit_icall_by_name (icall_name);
1201 esig = mono_get_array_new_va_signature (rank);
1202 name = g_strdup (icall_name);
1203 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1205 g_hash_table_insert (jit_icall_name_hash, name, name);
1213 mini_class_is_system_array (MonoClass *klass)
1215 if (klass->parent == mono_defaults.array_class)
1222 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1224 MonoAssembly *assembly = method->klass->image->assembly;
1225 if (method->wrapper_type != MONO_WRAPPER_NONE)
1227 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1229 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1231 return mono_assembly_has_skip_verification (assembly);
1235 * mini_method_verify:
1237 * Verify the method using the new verfier.
1239 * Returns true if the method is invalid.
1242 mini_method_verify (MonoCompile *cfg, MonoMethod *method)
1245 gboolean is_fulltrust;
1246 MonoLoaderError *error;
1248 if (method->verification_success)
1251 is_fulltrust = mono_verifier_is_method_full_trust (method);
1253 if (!mono_verifier_is_enabled_for_method (method))
1256 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility);
1258 if ((error = mono_loader_get_last_error ())) {
1259 cfg->exception_type = error->exception_type;
1261 mono_free_verify_list (res);
1266 for (tmp = res; tmp; tmp = tmp->next) {
1267 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1268 if (info->info.status == MONO_VERIFY_ERROR) {
1269 char *method_name = mono_method_full_name (method, TRUE);
1270 cfg->exception_type = info->exception_type;
1271 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1272 mono_free_verify_list (res);
1273 g_free (method_name);
1276 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1277 char *method_name = mono_method_full_name (method, TRUE);
1278 cfg->exception_type = info->exception_type;
1279 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1280 mono_free_verify_list (res);
1281 g_free (method_name);
1285 mono_free_verify_list (res);
1287 method->verification_success = 1;
1291 /*Returns true is something went wrong*/
1293 mono_compile_is_broken (MonoCompile *cfg)
1295 MonoMethod *method = cfg->method;
1296 MonoMethod *method_definition = method;
1297 gboolean dont_verify = mini_assembly_can_skip_verification (cfg->domain, method);
1298 dont_verify |= method->klass->image->assembly->corlib_internal;
1300 while (method_definition->is_inflated) {
1301 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1302 method_definition = imethod->declaring;
1305 return !dont_verify && mini_method_verify (cfg, method_definition);
1309 create_helper_signature (void)
1311 helper_sig_domain_get = mono_create_icall_signature ("ptr");
1312 helper_sig_class_init_trampoline = mono_create_icall_signature ("void");
1313 helper_sig_generic_class_init_trampoline = mono_create_icall_signature ("void");
1314 helper_sig_rgctx_lazy_fetch_trampoline = mono_create_icall_signature ("ptr ptr");
1315 helper_sig_monitor_enter_exit_trampoline = mono_create_icall_signature ("void");
1316 helper_sig_monitor_enter_exit_trampoline_llvm = mono_create_icall_signature ("void object");
1319 static gconstpointer
1320 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1323 MonoMethod *wrapper;
1324 gconstpointer trampoline;
1325 MonoDomain *domain = mono_get_root_domain ();
1327 if (callinfo->wrapper) {
1328 return callinfo->wrapper;
1331 if (callinfo->trampoline)
1332 return callinfo->trampoline;
1335 * We use the lock on the root domain instead of the JIT lock to protect
1336 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1338 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1339 mono_domain_lock (domain);
1341 if (callinfo->trampoline) {
1342 mono_domain_unlock (domain);
1343 mono_loader_unlock ();
1344 return callinfo->trampoline;
1347 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1348 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1352 trampoline = mono_compile_method (wrapper);
1354 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1355 mono_register_jit_icall_wrapper (callinfo, trampoline);
1357 callinfo->trampoline = trampoline;
1359 mono_domain_unlock (domain);
1360 mono_loader_unlock ();
1362 return callinfo->trampoline;
1366 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1368 return mono_icall_get_wrapper_full (callinfo, FALSE);
1372 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1374 if (!domain_jit_info (domain)->dynamic_code_hash)
1375 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1376 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1379 static MonoJitDynamicMethodInfo*
1380 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1382 MonoJitDynamicMethodInfo *res;
1384 if (domain_jit_info (domain)->dynamic_code_hash)
1385 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1393 GList *active, *inactive;
1398 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1400 MonoMethodVar *v1 = (MonoMethodVar*)a;
1401 MonoMethodVar *v2 = (MonoMethodVar*)b;
1405 else if (v1->interval->range && v2->interval->range)
1406 return v1->interval->range->from - v2->interval->range->from;
1407 else if (v1->interval->range)
1416 #define LSCAN_DEBUG(a) do { a; } while (0)
1418 #define LSCAN_DEBUG(a)
1422 mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1424 int i, slot, offset, size;
1429 GList *vars = NULL, *l, *unhandled;
1430 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1433 gboolean reuse_slot;
1435 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1437 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1438 vtype_stack_slots = NULL;
1441 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1442 for (i = 0; i < cfg->num_varinfo; ++i)
1445 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1446 inst = cfg->varinfo [i];
1447 vmv = MONO_VARINFO (cfg, i);
1449 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1452 vars = g_list_prepend (vars, vmv);
1455 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1460 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1461 MonoMethodVar *current = unhandled->data;
1463 if (current->interval->range) {
1464 g_assert (current->interval->range->from >= i);
1465 i = current->interval->range->from;
1472 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1473 MonoMethodVar *current = unhandled->data;
1476 inst = cfg->varinfo [vmv->idx];
1478 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1479 * pinvoke wrappers when they call functions returning structures */
1480 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1481 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1486 size = mono_type_size (inst->inst_vtype, &ialign);
1489 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1494 if (cfg->disable_reuse_stack_slots)
1497 t = mono_type_get_underlying_type (inst->inst_vtype);
1499 case MONO_TYPE_GENERICINST:
1500 if (!mono_type_generic_inst_is_valuetype (t)) {
1501 slot_info = &scalar_stack_slots [t->type];
1505 case MONO_TYPE_VALUETYPE:
1506 if (!vtype_stack_slots)
1507 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1508 for (i = 0; i < nvtypes; ++i)
1509 if (t->data.klass == vtype_stack_slots [i].vtype)
1512 slot_info = &vtype_stack_slots [i];
1514 g_assert (nvtypes < 256);
1515 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1516 slot_info = &vtype_stack_slots [nvtypes];
1519 if (cfg->disable_reuse_ref_stack_slots)
1526 #if SIZEOF_REGISTER == 4
1532 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1538 case MONO_TYPE_CLASS:
1539 case MONO_TYPE_OBJECT:
1540 case MONO_TYPE_ARRAY:
1541 case MONO_TYPE_SZARRAY:
1542 case MONO_TYPE_STRING:
1543 /* Share non-float stack slots of the same size */
1544 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1545 if (cfg->disable_reuse_ref_stack_slots)
1550 slot_info = &scalar_stack_slots [t->type];
1554 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1558 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1560 if (!current->interval->range) {
1561 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1565 inst->flags |= MONO_INST_IS_DEAD;
1570 pos = current->interval->range->from;
1572 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1573 if (current->interval->range)
1574 LSCAN_DEBUG (mono_linterval_print (current->interval));
1575 LSCAN_DEBUG (printf ("\n"));
1577 /* Check for intervals in active which expired or inactive */
1579 /* FIXME: Optimize this */
1582 for (l = slot_info->active; l != NULL; l = l->next) {
1583 MonoMethodVar *v = (MonoMethodVar*)l->data;
1585 if (v->interval->last_range->to < pos) {
1586 slot_info->active = g_list_delete_link (slot_info->active, l);
1587 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1588 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1592 else if (!mono_linterval_covers (v->interval, pos)) {
1593 slot_info->inactive = g_list_append (slot_info->inactive, v);
1594 slot_info->active = g_list_delete_link (slot_info->active, l);
1595 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1602 /* Check for intervals in inactive which expired or active */
1604 /* FIXME: Optimize this */
1607 for (l = slot_info->inactive; l != NULL; l = l->next) {
1608 MonoMethodVar *v = (MonoMethodVar*)l->data;
1610 if (v->interval->last_range->to < pos) {
1611 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1612 // FIXME: Enabling this seems to cause impossible to debug crashes
1613 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1614 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1618 else if (mono_linterval_covers (v->interval, pos)) {
1619 slot_info->active = g_list_append (slot_info->active, v);
1620 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1621 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1629 * This also handles the case when the variable is used in an
1630 * exception region, as liveness info is not computed there.
1633 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1636 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1637 if (slot_info->slots) {
1638 slot = GPOINTER_TO_INT (slot_info->slots->data);
1640 slot_info->slots = slot_info->slots->next;
1643 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1645 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1651 static int count = 0;
1654 if (count == atoi (getenv ("COUNT3")))
1655 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1656 if (count > atoi (getenv ("COUNT3")))
1659 mono_print_ins (inst);
1664 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1669 if (slot == 0xffffff) {
1671 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1672 * efficient copying (and to work around the fact that OP_MEMCPY
1673 * and OP_MEMSET ignores alignment).
1675 if (MONO_TYPE_ISSTRUCT (t)) {
1676 align = MAX (align, sizeof (gpointer));
1677 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1682 offset += align - 1;
1683 offset &= ~(align - 1);
1687 offset += align - 1;
1688 offset &= ~(align - 1);
1693 if (*stack_align == 0)
1694 *stack_align = align;
1697 offsets [vmv->idx] = slot;
1700 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1701 if (scalar_stack_slots [i].active)
1702 g_list_free (scalar_stack_slots [i].active);
1704 for (i = 0; i < nvtypes; ++i) {
1705 if (vtype_stack_slots [i].active)
1706 g_list_free (vtype_stack_slots [i].active);
1709 mono_jit_stats.locals_stack_size += offset;
1711 *stack_size = offset;
1716 * mono_allocate_stack_slots_full:
1718 * Allocate stack slots for all non register allocated variables using a
1719 * linear scan algorithm.
1720 * Returns: an array of stack offsets.
1721 * STACK_SIZE is set to the amount of stack space needed.
1722 * STACK_ALIGN is set to the alignment needed by the locals area.
1725 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1727 int i, slot, offset, size;
1732 GList *vars = NULL, *l;
1733 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1736 gboolean reuse_slot;
1738 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1739 return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
1741 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1742 vtype_stack_slots = NULL;
1745 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1746 for (i = 0; i < cfg->num_varinfo; ++i)
1749 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1750 inst = cfg->varinfo [i];
1751 vmv = MONO_VARINFO (cfg, i);
1753 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1756 vars = g_list_prepend (vars, vmv);
1759 vars = mono_varlist_sort (cfg, vars, 0);
1761 *stack_align = sizeof (gpointer);
1762 for (l = vars; l; l = l->next) {
1764 inst = cfg->varinfo [vmv->idx];
1766 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1767 * pinvoke wrappers when they call functions returning structures */
1768 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1769 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1773 size = mono_type_size (inst->inst_vtype, &ialign);
1776 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1781 if (cfg->disable_reuse_stack_slots)
1784 t = mono_type_get_underlying_type (inst->inst_vtype);
1786 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1789 case MONO_TYPE_GENERICINST:
1790 if (!mono_type_generic_inst_is_valuetype (t)) {
1791 slot_info = &scalar_stack_slots [t->type];
1795 case MONO_TYPE_VALUETYPE:
1796 if (!vtype_stack_slots)
1797 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1798 for (i = 0; i < nvtypes; ++i)
1799 if (t->data.klass == vtype_stack_slots [i].vtype)
1802 slot_info = &vtype_stack_slots [i];
1804 g_assert (nvtypes < 256);
1805 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1806 slot_info = &vtype_stack_slots [nvtypes];
1809 if (cfg->disable_reuse_ref_stack_slots)
1816 #if SIZEOF_REGISTER == 4
1822 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1828 case MONO_TYPE_CLASS:
1829 case MONO_TYPE_OBJECT:
1830 case MONO_TYPE_ARRAY:
1831 case MONO_TYPE_SZARRAY:
1832 case MONO_TYPE_STRING:
1833 /* Share non-float stack slots of the same size */
1834 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1835 if (cfg->disable_reuse_ref_stack_slots)
1840 slot_info = &scalar_stack_slots [t->type];
1845 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1846 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1848 /* expire old intervals in active */
1849 while (slot_info->active) {
1850 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
1852 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
1855 //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);
1857 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
1858 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
1862 * This also handles the case when the variable is used in an
1863 * exception region, as liveness info is not computed there.
1866 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1869 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1870 if (slot_info->slots) {
1871 slot = GPOINTER_TO_INT (slot_info->slots->data);
1873 slot_info->slots = slot_info->slots->next;
1876 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1881 static int count = 0;
1885 if (count == atoi (getenv ("COUNT")))
1886 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1887 if (count > atoi (getenv ("COUNT")))
1890 mono_print_ins (inst);
1898 if (slot == 0xffffff) {
1900 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1901 * efficient copying (and to work around the fact that OP_MEMCPY
1902 * and OP_MEMSET ignores alignment).
1904 if (MONO_TYPE_ISSTRUCT (t)) {
1905 align = MAX (align, sizeof (gpointer));
1906 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1908 * Align the size too so the code generated for passing vtypes in
1909 * registers doesn't overwrite random locals.
1911 size = (size + (align - 1)) & ~(align -1);
1916 offset += align - 1;
1917 offset &= ~(align - 1);
1921 offset += align - 1;
1922 offset &= ~(align - 1);
1927 *stack_align = MAX (*stack_align, align);
1930 offsets [vmv->idx] = slot;
1933 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1934 if (scalar_stack_slots [i].active)
1935 g_list_free (scalar_stack_slots [i].active);
1937 for (i = 0; i < nvtypes; ++i) {
1938 if (vtype_stack_slots [i].active)
1939 g_list_free (vtype_stack_slots [i].active);
1942 mono_jit_stats.locals_stack_size += offset;
1944 *stack_size = offset;
1951 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1953 g_assert_not_reached ();
1957 #endif /* DISABLE_JIT */
1960 mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align)
1962 return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align);
1965 #define EMUL_HIT_SHIFT 3
1966 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
1967 /* small hit bitmap cache */
1968 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
1969 static short emul_opcode_num = 0;
1970 static short emul_opcode_alloced = 0;
1971 static short *emul_opcode_opcodes = NULL;
1972 static MonoJitICallInfo **emul_opcode_map = NULL;
1975 mono_find_jit_opcode_emulation (int opcode)
1977 g_assert (opcode >= 0 && opcode <= OP_LAST);
1978 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
1980 for (i = 0; i < emul_opcode_num; ++i) {
1981 if (emul_opcode_opcodes [i] == opcode)
1982 return emul_opcode_map [i];
1989 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
1991 MonoJitICallInfo *info;
1992 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
1994 g_assert (!sig->hasthis);
1995 g_assert (sig->param_count < 3);
1997 info = mono_register_jit_icall (func, name, sig, no_throw);
1999 if (emul_opcode_num >= emul_opcode_alloced) {
2000 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2001 emul_opcode_alloced += incr;
2002 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2003 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2005 emul_opcode_map [emul_opcode_num] = info;
2006 emul_opcode_opcodes [emul_opcode_num] = opcode;
2008 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2012 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2014 MonoMethodSignature *sig;
2017 sig = mono_create_icall_signature (sigstr);
2021 mono_register_jit_icall (func, name, sig, save);
2025 print_dfn (MonoCompile *cfg) {
2031 g_print ("IR code for method %s\n", mono_method_full_name (cfg->method, TRUE));
2033 for (i = 0; i < cfg->num_bblocks; ++i) {
2034 bb = cfg->bblocks [i];
2035 /*if (bb->cil_code) {
2036 char* code1, *code2;
2037 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2038 if (bb->last_ins->cil_code)
2039 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2041 code2 = g_strdup ("");
2043 code1 [strlen (code1) - 1] = 0;
2044 code = g_strdup_printf ("%s -> %s", code1, code2);
2048 code = g_strdup ("\n");
2049 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2050 MONO_BB_FOR_EACH_INS (bb, c) {
2051 mono_print_ins_index (-1, c);
2054 g_print ("\tprev:");
2055 for (j = 0; j < bb->in_count; ++j) {
2056 g_print (" BB%d", bb->in_bb [j]->block_num);
2058 g_print ("\t\tsucc:");
2059 for (j = 0; j < bb->out_count; ++j) {
2060 g_print (" BB%d", bb->out_bb [j]->block_num);
2062 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2065 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2068 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2070 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2078 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2080 MONO_ADD_INS (bb, inst);
2084 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2088 bb->code = ins_to_insert;
2090 /* Link with next */
2091 ins_to_insert->next = ins;
2093 ins->prev = ins_to_insert;
2095 if (bb->last_ins == NULL)
2096 bb->last_ins = ins_to_insert;
2098 /* Link with next */
2099 ins_to_insert->next = ins->next;
2101 ins->next->prev = ins_to_insert;
2103 /* Link with previous */
2104 ins->next = ins_to_insert;
2105 ins_to_insert->prev = ins;
2107 if (bb->last_ins == ins)
2108 bb->last_ins = ins_to_insert;
2113 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2117 bb->code = ins_to_insert;
2118 ins_to_insert->next = ins;
2119 if (bb->last_ins == NULL)
2120 bb->last_ins = ins_to_insert;
2122 /* Link with previous */
2124 ins->prev->next = ins_to_insert;
2125 ins_to_insert->prev = ins->prev;
2127 /* Link with next */
2128 ins->prev = ins_to_insert;
2129 ins_to_insert->next = ins;
2131 if (bb->code == ins)
2132 bb->code = ins_to_insert;
2137 * mono_verify_bblock:
2139 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2142 mono_verify_bblock (MonoBasicBlock *bb)
2144 MonoInst *ins, *prev;
2147 for (ins = bb->code; ins; ins = ins->next) {
2148 g_assert (ins->prev == prev);
2152 g_assert (!bb->last_ins->next);
2158 * Perform consistency checks on the JIT data structures and the IR
2161 mono_verify_cfg (MonoCompile *cfg)
2165 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2166 mono_verify_bblock (bb);
2170 mono_destroy_compile (MonoCompile *cfg)
2173 mono_metadata_free_mh (cfg->header);
2174 //mono_mempool_stats (cfg->mempool);
2175 mono_free_loop_info (cfg);
2177 mono_regstate_free (cfg->rs);
2179 g_hash_table_destroy (cfg->spvars);
2181 g_hash_table_destroy (cfg->exvars);
2182 mono_mempool_destroy (cfg->mempool);
2183 g_list_free (cfg->ldstr_list);
2184 g_hash_table_destroy (cfg->token_info_hash);
2185 if (cfg->abs_patches)
2186 g_hash_table_destroy (cfg->abs_patches);
2188 g_free (cfg->varinfo);
2190 g_free (cfg->exception_message);
2194 #ifdef HAVE_KW_THREAD
2195 static __thread gpointer mono_lmf_addr MONO_TLS_FAST;
2196 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2198 * When this is defined, the current lmf is stored in this tls variable instead of in
2201 static __thread gpointer mono_lmf MONO_TLS_FAST;
2206 mono_get_jit_tls_key (void)
2208 return mono_jit_tls_id;
2212 mono_get_jit_tls_offset (void)
2214 #ifdef HAVE_KW_THREAD
2216 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2224 mono_get_lmf_tls_offset (void)
2226 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2228 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2236 mono_get_lmf_addr_tls_offset (void)
2239 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2246 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2249 MonoJitTlsData *jit_tls;
2251 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2252 return jit_tls->lmf;
2254 g_assert_not_reached ();
2260 mono_get_lmf_addr (void)
2262 #ifdef HAVE_KW_THREAD
2263 return mono_lmf_addr;
2265 MonoJitTlsData *jit_tls;
2267 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2268 return &jit_tls->lmf;
2271 * When resolving the call to mono_jit_thread_attach full-aot will look
2272 * in the plt, which causes a call into the generic trampoline, which in turn
2273 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2274 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2275 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2278 mono_jit_thread_attach (NULL);
2280 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2281 return &jit_tls->lmf;
2283 g_assert_not_reached ();
2289 mono_set_lmf (MonoLMF *lmf)
2291 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2295 (*mono_get_lmf_addr ()) = lmf;
2298 /* Called by native->managed wrappers */
2300 mono_jit_thread_attach (MonoDomain *domain)
2304 * Happens when called from AOTed code which is only used in the root
2307 domain = mono_get_root_domain ();
2309 #ifdef HAVE_KW_THREAD
2310 if (!mono_lmf_addr) {
2311 mono_thread_attach (domain);
2314 if (!TlsGetValue (mono_jit_tls_id))
2315 mono_thread_attach (domain);
2317 if (mono_domain_get () != domain)
2318 mono_domain_set (domain, TRUE);
2322 * mono_thread_abort:
2323 * @obj: exception object
2325 * abort the thread, print exception information and stack trace
2328 mono_thread_abort (MonoObject *obj)
2330 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2332 /* handle_remove should be eventually called for this thread, too
2335 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2336 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2337 mono_thread_exit ();
2339 exit (mono_environment_exitcode_get ());
2344 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2346 MonoJitTlsData *jit_tls;
2349 jit_tls = TlsGetValue (mono_jit_tls_id);
2353 jit_tls = g_new0 (MonoJitTlsData, 1);
2355 TlsSetValue (mono_jit_tls_id, jit_tls);
2357 #ifdef HAVE_KW_THREAD
2358 mono_jit_tls = jit_tls;
2361 jit_tls->abort_func = abort_func;
2362 jit_tls->end_of_stack = stack_start;
2364 lmf = g_new0 (MonoLMF, 1);
2365 #ifdef MONO_ARCH_INIT_TOP_LMF_ENTRY
2366 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2371 jit_tls->first_lmf = lmf;
2373 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2374 /* jit_tls->lmf is unused */
2376 mono_lmf_addr = &mono_lmf;
2378 #if defined(HAVE_KW_THREAD)
2379 mono_lmf_addr = &jit_tls->lmf;
2385 mono_arch_setup_jit_tls_data (jit_tls);
2386 mono_setup_altstack (jit_tls);
2392 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2394 MonoInternalThread *thread;
2395 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2396 thread = mono_thread_internal_current ();
2397 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2399 thread->jit_data = jit_tls;
2402 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2405 mono_thread_abort_dummy (MonoObject *obj)
2407 if (mono_thread_attach_aborted_cb)
2408 mono_thread_attach_aborted_cb (obj);
2410 mono_thread_abort (obj);
2414 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2416 MonoInternalThread *thread;
2417 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2418 thread = mono_thread_internal_current ();
2419 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2421 thread->jit_data = jit_tls;
2422 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2423 mono_runtime_setup_stat_profiler ();
2427 mini_thread_cleanup (MonoThread *thread)
2429 MonoInternalThread *internal = thread->internal_thread;
2430 MonoJitTlsData *jit_tls = internal->jit_data;
2433 mono_debugger_thread_cleanup (jit_tls);
2434 mono_arch_free_jit_tls_data (jit_tls);
2436 mono_free_altstack (jit_tls);
2437 g_free (jit_tls->first_lmf);
2439 internal->jit_data = NULL;
2441 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2442 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2443 * not a trivial thing.
2445 * The current offender is mono_thread_manage which cleanup threads from the outside.
2447 if (internal == mono_thread_internal_current ()) {
2448 TlsSetValue (mono_jit_tls_id, NULL);
2450 #ifdef HAVE_KW_THREAD
2451 mono_jit_tls = NULL;
2452 mono_lmf_addr = NULL;
2453 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2462 mono_create_tls_get (MonoCompile *cfg, int offset)
2464 #ifdef MONO_ARCH_HAVE_TLS_GET
2465 if (MONO_ARCH_HAVE_TLS_GET) {
2471 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2472 ins->dreg = mono_alloc_preg (cfg);
2473 ins->inst_offset = offset;
2481 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2483 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2487 mono_get_domain_intrinsic (MonoCompile* cfg)
2489 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2493 mono_get_thread_intrinsic (MonoCompile* cfg)
2495 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2499 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2501 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2505 ji->data.target = target;
2506 ji->next = cfg->patch_info;
2508 cfg->patch_info = ji;
2512 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2514 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2518 ji->data.target = target;
2525 mono_remove_patch_info (MonoCompile *cfg, int ip)
2527 MonoJumpInfo **ji = &cfg->patch_info;
2530 if ((*ji)->ip.i == ip)
2533 ji = &((*ji)->next);
2538 * mono_patch_info_dup_mp:
2540 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2543 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2545 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2546 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2548 switch (patch_info->type) {
2549 case MONO_PATCH_INFO_RVA:
2550 case MONO_PATCH_INFO_LDSTR:
2551 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2552 case MONO_PATCH_INFO_LDTOKEN:
2553 case MONO_PATCH_INFO_DECLSEC:
2554 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2555 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2557 case MONO_PATCH_INFO_SWITCH:
2558 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2559 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2560 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2561 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2563 case MONO_PATCH_INFO_RGCTX_FETCH:
2564 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2565 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2566 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2576 mono_patch_info_hash (gconstpointer data)
2578 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2581 case MONO_PATCH_INFO_RVA:
2582 case MONO_PATCH_INFO_LDSTR:
2583 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2584 case MONO_PATCH_INFO_LDTOKEN:
2585 case MONO_PATCH_INFO_DECLSEC:
2586 return (ji->type << 8) | ji->data.token->token;
2587 case MONO_PATCH_INFO_INTERNAL_METHOD:
2588 return (ji->type << 8) | g_str_hash (ji->data.name);
2589 case MONO_PATCH_INFO_VTABLE:
2590 case MONO_PATCH_INFO_CLASS:
2591 case MONO_PATCH_INFO_IID:
2592 case MONO_PATCH_INFO_ADJUSTED_IID:
2593 case MONO_PATCH_INFO_CLASS_INIT:
2594 case MONO_PATCH_INFO_METHODCONST:
2595 case MONO_PATCH_INFO_METHOD:
2596 case MONO_PATCH_INFO_METHOD_JUMP:
2597 case MONO_PATCH_INFO_IMAGE:
2598 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2599 case MONO_PATCH_INFO_FIELD:
2600 case MONO_PATCH_INFO_SFLDA:
2601 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2602 return (ji->type << 8) | (gssize)ji->data.target;
2604 return (ji->type << 8);
2609 * mono_patch_info_equal:
2611 * This might fail to recognize equivalent patches, i.e. floats, so its only
2612 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2616 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2618 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2619 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2621 if (ji1->type != ji2->type)
2624 switch (ji1->type) {
2625 case MONO_PATCH_INFO_RVA:
2626 case MONO_PATCH_INFO_LDSTR:
2627 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2628 case MONO_PATCH_INFO_LDTOKEN:
2629 case MONO_PATCH_INFO_DECLSEC:
2630 if ((ji1->data.token->image != ji2->data.token->image) ||
2631 (ji1->data.token->token != ji2->data.token->token) ||
2632 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2633 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2634 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2637 case MONO_PATCH_INFO_INTERNAL_METHOD:
2638 return g_str_equal (ji1->data.name, ji2->data.name);
2640 case MONO_PATCH_INFO_RGCTX_FETCH: {
2641 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2642 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2644 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);
2647 if (ji1->data.target != ji2->data.target)
2656 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2658 unsigned char *ip = patch_info->ip.i + code;
2659 gconstpointer target = NULL;
2661 switch (patch_info->type) {
2662 case MONO_PATCH_INFO_BB:
2664 * FIXME: This could be hit for methods without a prolog. Should use -1
2665 * but too much code depends on a 0 initial value.
2667 //g_assert (patch_info->data.bb->native_offset);
2668 target = patch_info->data.bb->native_offset + code;
2670 case MONO_PATCH_INFO_ABS:
2671 target = patch_info->data.target;
2673 case MONO_PATCH_INFO_LABEL:
2674 target = patch_info->data.inst->inst_c0 + code;
2676 case MONO_PATCH_INFO_IP:
2679 case MONO_PATCH_INFO_METHOD_REL:
2680 target = code + patch_info->data.offset;
2682 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2683 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2685 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2686 g_assert_not_reached ();
2688 target = mono_icall_get_wrapper (mi);
2691 case MONO_PATCH_INFO_METHOD_JUMP:
2692 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2694 case MONO_PATCH_INFO_METHOD:
2695 if (patch_info->data.method == method) {
2698 /* get the trampoline to the method from the domain */
2699 target = mono_create_jit_trampoline (patch_info->data.method);
2702 case MONO_PATCH_INFO_SWITCH: {
2703 gpointer *jump_table;
2706 if (method && method->dynamic) {
2707 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2709 if (mono_aot_only) {
2710 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2712 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2716 for (i = 0; i < patch_info->data.table->table_size; i++)
2717 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2718 target = jump_table;
2721 case MONO_PATCH_INFO_METHODCONST:
2722 case MONO_PATCH_INFO_CLASS:
2723 case MONO_PATCH_INFO_IMAGE:
2724 case MONO_PATCH_INFO_FIELD:
2725 target = patch_info->data.target;
2727 case MONO_PATCH_INFO_IID:
2728 mono_class_init (patch_info->data.klass);
2729 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
2731 case MONO_PATCH_INFO_ADJUSTED_IID:
2732 mono_class_init (patch_info->data.klass);
2733 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
2735 case MONO_PATCH_INFO_VTABLE:
2736 target = mono_class_vtable (domain, patch_info->data.klass);
2739 case MONO_PATCH_INFO_CLASS_INIT: {
2740 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
2743 target = mono_create_class_init_trampoline (vtable);
2746 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
2747 target = mono_create_delegate_trampoline (patch_info->data.klass);
2749 case MONO_PATCH_INFO_SFLDA: {
2750 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
2752 if (mono_class_field_is_special_static (patch_info->data.field)) {
2753 gpointer addr = NULL;
2755 mono_domain_lock (domain);
2756 if (domain->special_static_fields)
2757 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
2758 mono_domain_unlock (domain);
2764 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
2765 /* Done by the generated code */
2769 mono_runtime_class_init (vtable);
2771 target = (char*)vtable->data + patch_info->data.field->offset;
2774 case MONO_PATCH_INFO_RVA: {
2775 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
2778 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
2779 target = mono_image_rva_map (patch_info->data.token->image, rva);
2782 case MONO_PATCH_INFO_R4:
2783 case MONO_PATCH_INFO_R8:
2784 target = patch_info->data.target;
2786 case MONO_PATCH_INFO_EXC_NAME:
2787 target = patch_info->data.name;
2789 case MONO_PATCH_INFO_LDSTR:
2791 mono_ldstr (domain, patch_info->data.token->image,
2792 mono_metadata_token_index (patch_info->data.token->token));
2794 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
2796 MonoClass *handle_class;
2798 handle = mono_ldtoken (patch_info->data.token->image,
2799 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
2800 mono_class_init (handle_class);
2801 mono_class_init (mono_class_from_mono_type (handle));
2804 mono_type_get_object (domain, handle);
2807 case MONO_PATCH_INFO_LDTOKEN: {
2809 MonoClass *handle_class;
2811 handle = mono_ldtoken (patch_info->data.token->image,
2812 patch_info->data.token->token, &handle_class, NULL);
2813 mono_class_init (handle_class);
2818 case MONO_PATCH_INFO_DECLSEC:
2819 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
2821 case MONO_PATCH_INFO_ICALL_ADDR:
2822 /* run_cctors == 0 -> AOT */
2823 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
2825 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
2827 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));
2832 target = mono_lookup_internal_call (patch_info->data.method);
2834 if (!target && run_cctors)
2835 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
2838 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
2839 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2841 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
2842 g_assert_not_reached ();
2847 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
2848 target = mono_thread_interruption_request_flag ();
2850 case MONO_PATCH_INFO_METHOD_RGCTX: {
2851 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
2854 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
2857 case MONO_PATCH_INFO_BB_OVF:
2858 case MONO_PATCH_INFO_EXC_OVF:
2859 case MONO_PATCH_INFO_GOT_OFFSET:
2860 case MONO_PATCH_INFO_NONE:
2862 case MONO_PATCH_INFO_RGCTX_FETCH: {
2863 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
2866 switch (entry->data->type) {
2867 case MONO_PATCH_INFO_CLASS:
2868 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));
2870 case MONO_PATCH_INFO_METHOD:
2871 case MONO_PATCH_INFO_METHODCONST:
2872 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));
2874 case MONO_PATCH_INFO_FIELD:
2875 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));
2878 g_assert_not_reached ();
2882 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
2885 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
2886 target = mono_create_generic_class_init_trampoline ();
2888 case MONO_PATCH_INFO_MONITOR_ENTER:
2889 target = mono_create_monitor_enter_trampoline ();
2891 case MONO_PATCH_INFO_MONITOR_EXIT:
2892 target = mono_create_monitor_exit_trampoline ();
2894 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
2895 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2897 /* AOT, not needed */
2900 target = mono_arch_get_seq_point_info (domain, code);
2903 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
2904 #ifdef MONO_ARCH_LLVM_SUPPORTED
2905 g_assert (mono_use_llvm);
2906 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
2908 g_assert_not_reached ();
2912 g_assert_not_reached ();
2915 return (gpointer)target;
2919 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
2921 ins->inst_offset = native_offset;
2922 g_ptr_array_add (cfg->seq_points, ins);
2923 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
2924 bb->last_seq_point = ins;
2930 mono_compile_create_vars (MonoCompile *cfg)
2932 MonoMethodSignature *sig;
2933 MonoMethodHeader *header;
2936 header = cfg->header;
2938 sig = mono_method_signature (cfg->method);
2940 if (!MONO_TYPE_IS_VOID (sig->ret)) {
2941 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
2942 /* Inhibit optimizations */
2943 cfg->ret->flags |= MONO_INST_VOLATILE;
2945 if (cfg->verbose_level > 2)
2946 g_print ("creating vars\n");
2948 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
2951 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
2953 for (i = 0; i < sig->param_count; ++i) {
2954 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
2957 if (cfg->verbose_level > 2) {
2959 printf ("\treturn : ");
2960 mono_print_ins (cfg->ret);
2964 printf ("\tthis: ");
2965 mono_print_ins (cfg->args [0]);
2968 for (i = 0; i < sig->param_count; ++i) {
2969 printf ("\targ [%d]: ", i);
2970 mono_print_ins (cfg->args [i + sig->hasthis]);
2974 cfg->locals_start = cfg->num_varinfo;
2975 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
2977 if (cfg->verbose_level > 2)
2978 g_print ("creating locals\n");
2980 for (i = 0; i < header->num_locals; ++i)
2981 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
2983 if (cfg->verbose_level > 2)
2984 g_print ("locals done\n");
2986 mono_arch_create_vars (cfg);
2989 #endif /* #ifndef DISABLE_JIT */
2992 mono_print_code (MonoCompile *cfg, const char* msg)
2996 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2997 mono_print_bb (bb, msg);
3003 mono_postprocess_patches (MonoCompile *cfg)
3005 MonoJumpInfo *patch_info;
3008 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3009 switch (patch_info->type) {
3010 case MONO_PATCH_INFO_ABS: {
3011 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3014 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3018 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3019 // FIXME: CLEAN UP THIS MESS.
3020 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
3021 strstr (cfg->method->name, info->name)) {
3023 * This is an icall wrapper, and this is a call to the
3026 if (cfg->compile_aot) {
3027 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
3028 patch_info->data.name = info->name;
3031 /* for these array methods we currently register the same function pointer
3032 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3033 * will return the incorrect one depending on the order they are registered.
3034 * See tests/test-arr.cs
3036 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3037 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3038 patch_info->data.name = info->name;
3043 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3044 if (cfg->abs_patches) {
3045 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3047 patch_info->type = abs_ji->type;
3048 patch_info->data.target = abs_ji->data.target;
3055 case MONO_PATCH_INFO_SWITCH: {
3057 if (cfg->method->dynamic) {
3058 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3060 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3063 for (i = 0; i < patch_info->data.table->table_size; i++) {
3064 /* Might be NULL if the switch is eliminated */
3065 if (patch_info->data.table->table [i]) {
3066 g_assert (patch_info->data.table->table [i]->native_offset);
3067 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3072 patch_info->data.table->table = (MonoBasicBlock**)table;
3075 case MONO_PATCH_INFO_METHOD_JUMP: {
3077 MonoDomain *domain = cfg->domain;
3078 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3080 mono_domain_lock (domain);
3081 if (!domain_jit_info (domain)->jump_target_hash)
3082 domain_jit_info (domain)->jump_target_hash = g_hash_table_new (NULL, NULL);
3083 list = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3084 list = g_slist_prepend (list, ip);
3085 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, list);
3086 mono_domain_unlock (domain);
3097 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3100 MonoBasicBlock *in_bb;
3102 for (i = 0; i < bb->in_count; ++i) {
3103 in_bb = bb->in_bb [i];
3105 if (in_bb->last_seq_point) {
3106 next [in_bb->last_seq_point->backend.size] = g_slist_append (next [in_bb->last_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3108 /* Have to look at its predecessors */
3110 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3116 mono_save_seq_point_info (MonoCompile *cfg)
3119 GSList *bb_seq_points, *l;
3121 MonoDomain *domain = cfg->domain;
3123 MonoSeqPointInfo *info;
3126 if (!cfg->seq_points)
3129 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3130 info->len = cfg->seq_points->len;
3131 for (i = 0; i < cfg->seq_points->len; ++i) {
3132 SeqPoint *sp = &info->seq_points [i];
3133 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3135 sp->il_offset = ins->inst_imm;
3136 sp->native_offset = ins->inst_offset;
3139 ins->backend.size = i;
3143 * For each sequence point, compute the list of sequence points immediately
3144 * following it, this is needed to implement 'step over' in the debugger agent.
3146 next = g_new0 (GSList*, cfg->seq_points->len);
3147 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3148 bb_seq_points = g_slist_reverse (bb->seq_points);
3150 for (l = bb_seq_points; l; l = l->next) {
3151 MonoInst *ins = l->data;
3153 if (!(ins->flags & MONO_INST_SINGLE_STEP_LOC))
3157 /* Link with the previous seq point in the same bb */
3158 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3160 /* Link with the last bb in the previous bblocks */
3161 collect_pred_seq_points (bb, ins, next, 0);
3168 if (cfg->verbose_level > 2) {
3169 printf ("\nSEQ POINT MAP: \n");
3172 for (i = 0; i < cfg->seq_points->len; ++i) {
3173 SeqPoint *sp = &info->seq_points [i];
3177 sp->next_len = g_slist_length (next [i]);
3178 sp->next = g_new (int, sp->next_len);
3180 if (cfg->verbose_level > 2 && next [i]) {
3181 printf ("\t0x%x ->", sp->il_offset);
3182 for (l = next [i]; l; l = l->next) {
3183 next_index = GPOINTER_TO_UINT (l->data);
3184 printf (" 0x%x", info->seq_points [next_index].il_offset);
3188 for (l = next [i]; l; l = l->next) {
3189 next_index = GPOINTER_TO_UINT (l->data);
3190 sp->next [j ++] = next_index;
3192 g_slist_free (next [i]);
3196 cfg->seq_point_info = info;
3198 // FIXME: dynamic methods
3199 mono_domain_lock (domain);
3200 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3201 mono_domain_unlock (domain);
3203 g_ptr_array_free (cfg->seq_points, TRUE);
3204 cfg->seq_points = NULL;
3208 mono_codegen (MonoCompile *cfg)
3211 int max_epilog_size;
3214 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3215 cfg->spill_count = 0;
3216 /* we reuse dfn here */
3217 /* bb->dfn = bb_count++; */
3219 mono_arch_lowering_pass (cfg, bb);
3221 if (cfg->opt & MONO_OPT_PEEPHOLE)
3222 mono_arch_peephole_pass_1 (cfg, bb);
3225 mono_local_regalloc (cfg, bb);
3227 if (cfg->opt & MONO_OPT_PEEPHOLE)
3228 mono_arch_peephole_pass_2 (cfg, bb);
3231 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3232 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3234 code = mono_arch_emit_prolog (cfg);
3236 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3237 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3239 cfg->code_len = code - cfg->native_code;
3240 cfg->prolog_end = cfg->code_len;
3242 mono_debug_open_method (cfg);
3244 /* emit code all basic blocks */
3245 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3246 bb->native_offset = cfg->code_len;
3247 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3248 mono_arch_output_basic_block (cfg, bb);
3249 bb->native_length = cfg->code_len - bb->native_offset;
3251 if (bb == cfg->bb_exit) {
3252 cfg->epilog_begin = cfg->code_len;
3254 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3255 code = cfg->native_code + cfg->code_len;
3256 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3257 cfg->code_len = code - cfg->native_code;
3258 g_assert (cfg->code_len < cfg->code_size);
3261 mono_arch_emit_epilog (cfg);
3265 mono_arch_emit_exceptions (cfg);
3267 max_epilog_size = 0;
3269 code = cfg->native_code + cfg->code_len;
3271 /* we always allocate code in cfg->domain->code_mp to increase locality */
3272 cfg->code_size = cfg->code_len + max_epilog_size;
3273 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3275 if (cfg->method->dynamic) {
3276 guint unwindlen = 0;
3277 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3278 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3280 /* Allocate the code into a separate memory pool so it can be freed */
3281 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3282 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3283 mono_domain_lock (cfg->domain);
3284 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3285 mono_domain_unlock (cfg->domain);
3287 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3289 guint unwindlen = 0;
3290 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3291 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3293 code = mono_domain_code_reserve (cfg->domain, cfg->code_size + unwindlen);
3296 memcpy (code, cfg->native_code, cfg->code_len);
3297 g_free (cfg->native_code);
3298 cfg->native_code = code;
3299 code = cfg->native_code + cfg->code_len;
3301 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3302 mono_postprocess_patches (cfg);
3304 #ifdef VALGRIND_JIT_REGISTER_MAP
3305 if (valgrind_register){
3306 char* nm = mono_method_full_name (cfg->method, TRUE);
3307 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3312 if (cfg->verbose_level > 0) {
3313 char* nm = mono_method_full_name (cfg->method, TRUE);
3314 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3316 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3321 gboolean is_generic = FALSE;
3323 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3324 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3328 if (cfg->generic_sharing_context)
3329 g_assert (is_generic);
3332 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3333 mono_arch_save_unwind_info (cfg);
3336 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->run_cctors);
3338 if (cfg->method->dynamic) {
3339 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3341 mono_domain_code_commit (cfg->domain, cfg->native_code, cfg->code_size, cfg->code_len);
3343 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3345 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3347 mono_debug_close_method (cfg);
3349 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3350 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3355 compute_reachable (MonoBasicBlock *bb)
3359 if (!(bb->flags & BB_VISITED)) {
3360 bb->flags |= BB_VISITED;
3361 for (i = 0; i < bb->out_count; ++i)
3362 compute_reachable (bb->out_bb [i]);
3367 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3370 MonoMethodHeader *header;
3373 int generic_info_size;
3374 int holes_size = 0, num_holes = 0;
3376 g_assert (method_to_compile == cfg->method);
3377 header = cfg->header;
3379 if (cfg->generic_sharing_context)
3380 generic_info_size = sizeof (MonoGenericJitInfo);
3382 generic_info_size = 0;
3384 if (cfg->try_block_holes) {
3385 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3386 TryBlockHole *hole = tmp->data;
3387 MonoExceptionClause *ec = hole->clause;
3388 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
3389 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3390 g_assert (clause_last_bb);
3392 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3393 if (clause_last_bb->native_offset != hole_end)
3397 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
3398 if (G_UNLIKELY (cfg->verbose_level >= 4))
3399 printf ("Number of try block holes %d\n", num_holes);
3402 if (COMPILE_LLVM (cfg))
3403 num_clauses = cfg->llvm_ex_info_len;
3405 num_clauses = header->num_clauses;
3407 if (cfg->method->dynamic) {
3408 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
3409 generic_info_size + holes_size);
3411 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3412 (num_clauses * sizeof (MonoJitExceptionInfo)) +
3413 generic_info_size + holes_size);
3416 jinfo->method = cfg->method_to_register;
3417 jinfo->code_start = cfg->native_code;
3418 jinfo->code_size = cfg->code_len;
3419 jinfo->used_regs = cfg->used_int_regs;
3420 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3421 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3422 jinfo->num_clauses = num_clauses;
3423 if (COMPILE_LLVM (cfg))
3424 jinfo->from_llvm = TRUE;
3426 if (cfg->generic_sharing_context) {
3428 MonoGenericJitInfo *gi;
3430 jinfo->has_generic_jit_info = 1;
3432 gi = mono_jit_info_get_generic_jit_info (jinfo);
3435 gi->generic_sharing_context = cfg->generic_sharing_context;
3437 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3438 mini_method_get_context (method_to_compile)->method_inst ||
3439 method_to_compile->klass->valuetype) {
3440 g_assert (cfg->rgctx_var);
3445 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3446 mini_method_get_context (method_to_compile)->method_inst ||
3447 method_to_compile->klass->valuetype) {
3448 inst = cfg->rgctx_var;
3449 g_assert (inst->opcode == OP_REGOFFSET);
3451 inst = cfg->args [0];
3454 if (inst->opcode == OP_REGVAR) {
3455 gi->this_in_reg = 1;
3456 gi->this_reg = inst->dreg;
3458 g_assert (inst->opcode == OP_REGOFFSET);
3460 g_assert (inst->inst_basereg == X86_EBP);
3461 #elif defined(TARGET_AMD64)
3462 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3464 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3466 gi->this_in_reg = 0;
3467 gi->this_reg = inst->inst_basereg;
3468 gi->this_offset = inst->inst_offset;
3473 MonoTryBlockHoleTableJitInfo *table;
3476 jinfo->has_try_block_holes = 1;
3477 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
3478 table->num_holes = (guint16)num_holes;
3480 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3481 guint32 start_bb_offset;
3482 MonoTryBlockHoleJitInfo *hole;
3483 TryBlockHole *hole_data = tmp->data;
3484 MonoExceptionClause *ec = hole_data->clause;
3485 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
3486 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3487 g_assert (clause_last_bb);
3489 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3490 if (clause_last_bb->native_offset == hole_end)
3493 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
3494 hole = &table->holes [i++];
3495 hole->clause = hole_data->clause - &header->clauses [0];
3496 hole->offset = (guint32)hole_data->start_offset;
3497 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
3499 if (G_UNLIKELY (cfg->verbose_level >= 4))
3500 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
3502 g_assert (i == num_holes);
3505 if (COMPILE_LLVM (cfg)) {
3507 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
3508 } else if (header->num_clauses) {
3511 for (i = 0; i < header->num_clauses; i++) {
3512 MonoExceptionClause *ec = &header->clauses [i];
3513 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3514 MonoBasicBlock *tblock;
3517 ei->flags = ec->flags;
3519 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3520 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3522 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3523 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3525 ei->data.filter = cfg->native_code + tblock->native_offset;
3527 ei->data.catch_class = ec->data.catch_class;
3530 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3532 ei->try_start = cfg->native_code + tblock->native_offset;
3533 g_assert (tblock->native_offset);
3534 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3536 ei->try_end = cfg->native_code + tblock->native_offset;
3537 g_assert (tblock->native_offset);
3538 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3540 ei->handler_start = cfg->native_code + tblock->native_offset;
3542 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3543 TryBlockHole *hole = tmp->data;
3544 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
3545 if (hole->clause == ec && hole_end == ei->try_end) {
3546 if (G_UNLIKELY (cfg->verbose_level >= 4))
3547 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
3549 ei->try_end = cfg->native_code + hole->start_offset;
3554 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
3556 if (ec->handler_offset + ec->handler_len < header->code_size) {
3557 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
3559 end_offset = tblock->native_offset;
3561 end_offset = cfg->epilog_begin;
3563 ei->data.handler_end = cfg->native_code + end_offset;
3567 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
3568 for (i = 0; i < jinfo->num_clauses; i++) {
3569 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3570 int start = (guint8*)ei->try_start - cfg->native_code;
3571 int end = (guint8*)ei->try_end - cfg->native_code;
3572 int handler = (guint8*)ei->handler_start - cfg->native_code;
3574 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
3581 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
3582 * using it during runtime, hence the define.
3584 #ifdef MONO_ARCH_HAVE_XP_UNWIND
3585 if (cfg->encoded_unwind_ops) {
3586 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
3587 g_free (cfg->encoded_unwind_ops);
3588 } else if (cfg->unwind_ops) {
3590 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
3592 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
3593 g_free (unwind_info);
3602 * mini_get_shared_method:
3604 * Return the method which is actually compiled/registered when doing generic sharing.
3607 mini_get_shared_method (MonoMethod *method)
3609 MonoGenericContext shared_context;
3610 MonoMethod *declaring_method, *res;
3612 gboolean partial = FALSE;
3614 if (method->is_generic || method->klass->generic_container)
3615 declaring_method = method;
3617 declaring_method = mono_method_get_declaring_generic_method (method);
3619 if (declaring_method->is_generic)
3620 shared_context = mono_method_get_generic_container (declaring_method)->context;
3622 shared_context = declaring_method->klass->generic_container->context;
3624 /* Handle partial sharing */
3625 if (method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE)) {
3626 MonoGenericContext *context = mono_method_get_context (method);
3627 MonoGenericInst *inst;
3628 MonoType **type_argv;
3631 * Create the shared context by replacing the ref type arguments with
3632 * type parameters, and keeping the rest.
3635 inst = context->class_inst;
3637 type_argv = g_new0 (MonoType*, inst->type_argc);
3638 for (i = 0; i < inst->type_argc; ++i) {
3639 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
3640 type_argv [i] = shared_context.class_inst->type_argv [i];
3642 type_argv [i] = inst->type_argv [i];
3645 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
3649 inst = context->method_inst;
3651 type_argv = g_new0 (MonoType*, inst->type_argc);
3652 for (i = 0; i < inst->type_argc; ++i) {
3653 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
3654 type_argv [i] = shared_context.method_inst->type_argv [i];
3656 type_argv [i] = inst->type_argv [i];
3659 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
3664 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
3666 /* The result should be an inflated method whose parent is not inflated */
3667 g_assert (!res->klass->is_inflated);
3674 * mini_method_compile:
3675 * @method: the method to compile
3676 * @opts: the optimization flags to use
3677 * @domain: the domain where the method will be compiled in
3678 * @run_cctors: whether we should run type ctors if possible
3679 * @compile_aot: whether this is an AOT compilation
3680 * @parts: debug flag
3682 * Returns: a MonoCompile* pointer. Caller must check the exception_type
3683 * field in the returned struct to see if compilation succeded.
3686 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
3688 MonoMethodHeader *header;
3689 MonoMethodSignature *sig;
3693 int dfn, i, code_size_ratio;
3694 gboolean deadce_has_run = FALSE;
3695 gboolean try_generic_shared, try_llvm;
3696 MonoMethod *method_to_compile, *method_to_register;
3698 mono_jit_stats.methods_compiled++;
3699 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
3700 mono_profiler_method_jit (method);
3701 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
3702 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
3706 * We might get passed the original generic method definition or
3707 * instances with type parameters.
3708 * FIXME: Remove the method->klass->generic_class limitation.
3710 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3711 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl (method, TRUE)));
3713 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3714 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
3716 if (opts & MONO_OPT_GSHARED) {
3717 if (try_generic_shared)
3718 mono_stats.generics_sharable_methods++;
3719 else if (mono_method_is_generic_impl (method))
3720 mono_stats.generics_unsharable_methods++;
3730 if (try_generic_shared) {
3731 method_to_compile = mini_get_shared_method (method);
3732 g_assert (method_to_compile);
3734 method_to_compile = method;
3737 cfg = g_new0 (MonoCompile, 1);
3738 cfg->method = method_to_compile;
3739 cfg->header = mono_method_get_header (cfg->method);
3740 cfg->mempool = mono_mempool_new ();
3742 cfg->prof_options = mono_profiler_get_events ();
3743 cfg->run_cctors = run_cctors;
3744 cfg->domain = domain;
3745 cfg->verbose_level = mini_verbose;
3746 cfg->compile_aot = compile_aot;
3747 cfg->skip_visibility = method->skip_visibility;
3748 cfg->orig_method = method;
3749 cfg->gen_seq_points = debug_options.gen_seq_points;
3750 cfg->explicit_null_checks = debug_options.explicit_null_checks;
3751 if (try_generic_shared)
3752 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
3753 cfg->compile_llvm = try_llvm;
3754 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
3756 if (cfg->gen_seq_points)
3757 cfg->seq_points = g_ptr_array_new ();
3759 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
3760 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
3764 if (cfg->generic_sharing_context) {
3765 method_to_register = method_to_compile;
3767 g_assert (method == method_to_compile);
3768 method_to_register = method;
3770 cfg->method_to_register = method_to_register;
3772 if (cfg->compile_llvm) {
3773 /* No way to obtain the location info for 'this' */
3774 if (try_generic_shared) {
3775 cfg->exception_message = g_strdup ("gshared");
3776 cfg->disable_llvm = TRUE;
3779 if (cfg->method->save_lmf) {
3780 cfg->exception_message = g_strdup ("lmf");
3781 cfg->disable_llvm = TRUE;
3785 if (cfg->method->dynamic) {
3786 cfg->exception_message = g_strdup ("dynamic.");
3787 cfg->disable_llvm = TRUE;
3791 mono_error_init (&err);
3792 sig = mono_method_signature_checked (cfg->method, &err);
3794 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
3795 cfg->exception_message = g_strdup (mono_error_get_message (&err));
3796 mono_error_cleanup (&err);
3797 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3798 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3802 header = cfg->header;
3804 MonoLoaderError *error;
3806 if ((error = mono_loader_get_last_error ())) {
3807 cfg->exception_type = error->exception_type;
3809 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
3810 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
3812 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3813 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3817 if (header->clauses) {
3819 * FIXME: LLLVM 2.6/SVN no longer seems to generate correct exception info
3822 cfg->exception_message = g_strdup ("clauses");
3823 cfg->disable_llvm = TRUE;
3828 static gboolean inited;
3831 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_with_llvm);
3832 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_without_llvm);
3837 * Check for methods which cannot be compiled by LLVM early, to avoid
3838 * the extra compilation pass.
3840 if (COMPILE_LLVM (cfg) && cfg->disable_llvm) {
3841 if (cfg->verbose_level >= 1) {
3842 //nm = mono_method_full_name (cfg->method, TRUE);
3843 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
3846 InterlockedIncrement (&methods_without_llvm);
3847 mono_destroy_compile (cfg);
3849 goto restart_compile;
3854 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
3855 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
3856 cfg->disable_reuse_registers = TRUE;
3857 cfg->disable_reuse_stack_slots = TRUE;
3859 * This decreases the change the debugger will read registers/stack slots which are
3860 * not yet initialized.
3862 cfg->disable_initlocals_opt = TRUE;
3864 cfg->extend_live_ranges = TRUE;
3866 /* Temporarily disable this when running in the debugger until we have support
3867 * for this in the debugger. */
3868 cfg->disable_omit_fp = TRUE;
3870 /* The debugger needs all locals to be on the stack or in a global register */
3871 cfg->disable_vreg_to_lvreg = TRUE;
3873 /* Don't remove unused variables when running inside the debugger since the user
3874 * may still want to view them. */
3875 cfg->disable_deadce_vars = TRUE;
3877 // cfg->opt |= MONO_OPT_SHARED;
3878 cfg->opt &= ~MONO_OPT_DEADCE;
3879 cfg->opt &= ~MONO_OPT_INLINE;
3880 cfg->opt &= ~MONO_OPT_COPYPROP;
3881 cfg->opt &= ~MONO_OPT_CONSPROP;
3882 cfg->opt &= ~MONO_OPT_GSHARED;
3884 /* This is needed for the soft debugger, which doesn't like code after the epilog */
3885 cfg->disable_out_of_line_bblocks = TRUE;
3888 if (mono_using_xdebug) {
3890 * Make each variable use its own register/stack slot and extend
3891 * their liveness to cover the whole method, making them displayable
3892 * in gdb even after they are dead.
3894 cfg->disable_reuse_registers = TRUE;
3895 cfg->disable_reuse_stack_slots = TRUE;
3896 cfg->extend_live_ranges = TRUE;
3897 cfg->compute_precise_live_ranges = TRUE;
3900 mini_gc_init_gc_map (cfg);
3902 if (COMPILE_LLVM (cfg)) {
3903 cfg->opt |= MONO_OPT_ABCREM;
3906 if (getenv ("MONO_VERBOSE_METHOD")) {
3907 char *name = getenv ("MONO_VERBOSE_METHOD");
3909 if ((strchr (name, '.') > name) || strchr (name, ':')) {
3910 MonoMethodDesc *desc;
3912 desc = mono_method_desc_new (name, TRUE);
3913 if (mono_method_desc_full_match (desc, cfg->method)) {
3914 cfg->verbose_level = 4;
3916 mono_method_desc_free (desc);
3918 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
3919 cfg->verbose_level = 4;
3923 ip = (guint8 *)header->code;
3925 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
3927 if (cfg->verbose_level > 0) {
3928 if (COMPILE_LLVM (cfg))
3929 g_print ("converting llvm method %s\n", mono_method_full_name (method, TRUE));
3930 else if (cfg->generic_sharing_context)
3931 g_print ("converting shared method %s\n", mono_method_full_name (method_to_compile, TRUE));
3933 g_print ("converting method %s\n", mono_method_full_name (method, TRUE));
3936 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
3937 cfg->opt |= MONO_OPT_SSA;
3940 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")))
3941 cfg->globalra = TRUE;
3944 //cfg->globalra = TRUE;
3946 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
3947 // cfg->globalra = TRUE;
3950 static int count = 0;
3954 if (getenv ("COUNT2")) {
3955 cfg->globalra = TRUE;
3956 if (count == atoi (getenv ("COUNT2")))
3957 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
3958 if (count > atoi (getenv ("COUNT2")))
3959 cfg->globalra = FALSE;
3964 if (header->clauses)
3965 cfg->globalra = FALSE;
3967 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
3968 /* The code in the prolog clobbers caller saved registers */
3969 cfg->globalra = FALSE;
3971 // FIXME: Disable globalra in case of tracing/profiling
3973 if (cfg->method->save_lmf)
3974 /* The LMF saving code might clobber caller saved registers */
3975 cfg->globalra = FALSE;
3977 if (header->code_size > 5000)
3979 /* Too large bblocks could overflow the ins positions */
3980 cfg->globalra = FALSE;
3982 cfg->rs = mono_regstate_new ();
3984 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
3985 cfg->next_vreg = cfg->rs->next_vreg;
3987 /* FIXME: Fix SSA to handle branches inside bblocks */
3988 if (cfg->opt & MONO_OPT_SSA)
3989 cfg->enable_extended_bblocks = FALSE;
3992 * FIXME: This confuses liveness analysis because variables which are assigned after
3993 * a branch inside a bblock become part of the kill set, even though the assignment
3994 * might not get executed. This causes the optimize_initlocals pass to delete some
3995 * assignments which are needed.
3996 * Also, the mono_if_conversion pass needs to be modified to recognize the code
3999 //cfg->enable_extended_bblocks = TRUE;
4001 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4002 if (mono_compile_is_broken (cfg))
4006 * create MonoInst* which represents arguments and local variables
4008 mono_compile_create_vars (cfg);
4010 /* SSAPRE is not supported on linear IR */
4011 cfg->opt &= ~MONO_OPT_SSAPRE;
4013 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4016 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4018 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4019 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4022 mono_destroy_compile (cfg);
4023 try_generic_shared = FALSE;
4024 goto restart_compile;
4026 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4028 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4029 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4030 /* cfg contains the details of the failure, so let the caller cleanup */
4034 mono_jit_stats.basic_blocks += cfg->num_bblocks;
4035 mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks);
4037 if (COMPILE_LLVM (cfg)) {
4040 /* The IR has to be in SSA form for LLVM */
4041 cfg->opt |= MONO_OPT_SSA;
4045 // Allow SSA on the result value
4046 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4048 // Add an explicit return instruction referencing the return value
4049 MONO_INST_NEW (cfg, ins, OP_SETRET);
4050 ins->sreg1 = cfg->ret->dreg;
4052 MONO_ADD_INS (cfg->bb_exit, ins);
4055 cfg->opt &= ~MONO_OPT_LINEARS;
4058 cfg->opt &= ~MONO_OPT_BRANCH;
4061 /* todo: remove code when we have verified that the liveness for try/catch blocks
4065 * Currently, this can't be commented out since exception blocks are not
4066 * processed during liveness analysis.
4067 * It is also needed, because otherwise the local optimization passes would
4068 * delete assignments in cases like this:
4070 * <something which throws>
4072 * This also allows SSA to be run on methods containing exception clauses, since
4073 * SSA will ignore variables marked VOLATILE.
4075 mono_liveness_handle_exception_clauses (cfg);
4077 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4079 if (!COMPILE_LLVM (cfg))
4080 mono_decompose_long_opts (cfg);
4082 /* Should be done before branch opts */
4083 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4084 mono_local_cprop (cfg);
4086 if (cfg->opt & MONO_OPT_BRANCH)
4087 mono_optimize_branches (cfg);
4089 /* This must be done _before_ global reg alloc and _after_ decompose */
4090 mono_handle_global_vregs (cfg);
4091 if (cfg->opt & MONO_OPT_DEADCE)
4092 mono_local_deadce (cfg);
4093 /* Disable this for LLVM to make the IR easier to handle */
4094 if (!COMPILE_LLVM (cfg))
4095 mono_if_conversion (cfg);
4097 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4098 mono_remove_critical_edges (cfg);
4100 /* Depth-first ordering on basic blocks */
4101 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4103 cfg->max_block_num = cfg->num_bblocks;
4106 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4107 if (cfg->num_bblocks != dfn + 1) {
4110 cfg->num_bblocks = dfn + 1;
4112 /* remove unreachable code, because the code in them may be
4113 * inconsistent (access to dead variables for example) */
4114 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4115 bb->flags &= ~BB_VISITED;
4116 compute_reachable (cfg->bb_entry);
4117 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4118 if (bb->flags & BB_EXCEPTION_HANDLER)
4119 compute_reachable (bb);
4120 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4121 if (!(bb->flags & BB_VISITED)) {
4122 if (cfg->verbose_level > 1)
4123 g_print ("found unreachable code in BB%d\n", bb->block_num);
4124 bb->code = bb->last_ins = NULL;
4125 while (bb->out_count)
4126 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
4129 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4130 bb->flags &= ~BB_VISITED;
4133 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
4135 * we disable some optimizations if there are too many variables
4136 * because JIT time may become too expensive. The actual number needs
4137 * to be tweaked and eventually the non-linear algorithms should be fixed.
4139 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
4140 cfg->disable_ssa = TRUE;
4143 if (cfg->opt & MONO_OPT_LOOP) {
4144 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
4145 mono_compute_natural_loops (cfg);
4148 /* after method_to_ir */
4150 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4151 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4156 if (header->num_clauses)
4157 cfg->disable_ssa = TRUE;
4160 //#define DEBUGSSA "logic_run"
4161 #define DEBUGSSA_CLASS "Tests"
4164 if (!cfg->disable_ssa) {
4165 mono_local_cprop (cfg);
4168 mono_ssa_compute (cfg);
4172 if (cfg->opt & MONO_OPT_SSA) {
4173 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
4175 mono_ssa_compute (cfg);
4178 if (cfg->verbose_level >= 2) {
4185 /* after SSA translation */
4187 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4188 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4192 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
4193 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4195 mono_ssa_cprop (cfg);
4201 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4202 //mono_ssa_strength_reduction (cfg);
4204 if (cfg->opt & MONO_OPT_SSAPRE) {
4205 mono_perform_ssapre (cfg);
4206 //mono_local_cprop (cfg);
4209 if (cfg->opt & MONO_OPT_DEADCE) {
4210 mono_ssa_deadce (cfg);
4211 deadce_has_run = TRUE;
4214 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4215 mono_perform_abc_removal (cfg);
4217 mono_ssa_remove (cfg);
4218 mono_local_cprop (cfg);
4219 mono_handle_global_vregs (cfg);
4220 if (cfg->opt & MONO_OPT_DEADCE)
4221 mono_local_deadce (cfg);
4223 if (cfg->opt & MONO_OPT_BRANCH) {
4226 mono_optimize_branches (cfg);
4228 /* Have to recompute cfg->bblocks and bb->dfn */
4229 if (cfg->globalra) {
4230 mono_remove_critical_edges (cfg);
4232 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4235 /* Depth-first ordering on basic blocks */
4236 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4239 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4240 cfg->num_bblocks = dfn + 1;
4246 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
4247 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4248 mono_perform_abc_removal (cfg);
4251 /* after SSA removal */
4253 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4254 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4258 #ifdef MONO_ARCH_SOFT_FLOAT
4259 if (!COMPILE_LLVM (cfg))
4260 mono_decompose_soft_float (cfg);
4262 if (!COMPILE_LLVM (cfg))
4263 mono_decompose_vtype_opts (cfg);
4264 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4265 mono_decompose_array_access_opts (cfg);
4270 g_assert (cfg->got_var_allocated);
4273 * Allways allocate the GOT var to a register, because keeping it
4274 * in memory will increase the number of live temporaries in some
4275 * code created by inssel.brg, leading to the well known spills+
4276 * branches problem. Testcase: mcs crash in
4277 * System.MonoCustomAttrs:GetCustomAttributes.
4279 regs = mono_arch_get_global_int_regs (cfg);
4281 cfg->got_var->opcode = OP_REGVAR;
4282 cfg->got_var->dreg = GPOINTER_TO_INT (regs->data);
4283 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
4289 * Have to call this again to process variables added since the first call.
4291 mono_liveness_handle_exception_clauses (cfg);
4293 if (cfg->globalra) {
4296 /* Have to do this before regalloc since it can create vregs */
4297 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4298 mono_arch_lowering_pass (cfg, bb);
4300 mono_global_regalloc (cfg);
4303 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
4306 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
4307 cfg->comp_done &= ~MONO_COMP_LIVENESS;
4308 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
4309 mono_analyze_liveness (cfg);
4311 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
4312 regs = mono_arch_get_global_int_regs (cfg);
4314 regs = g_list_delete_link (regs, regs);
4315 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
4319 //mono_print_code (cfg, "");
4323 /* variables are allocated after decompose, since decompose could create temps */
4324 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4325 mono_arch_allocate_vars (cfg);
4326 if (cfg->exception_type)
4332 gboolean need_local_opts;
4334 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4335 mono_spill_global_vars (cfg, &need_local_opts);
4337 if (need_local_opts || cfg->compile_aot) {
4338 /* To optimize code created by spill_global_vars */
4339 mono_local_cprop (cfg);
4340 if (cfg->opt & MONO_OPT_DEADCE)
4341 mono_local_deadce (cfg);
4345 /* Add branches between non-consecutive bblocks */
4346 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4347 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
4348 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
4349 /* we are careful when inverting, since bugs like #59580
4350 * could show up when dealing with NaNs.
4352 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
4353 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
4354 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
4355 bb->last_ins->inst_false_bb = tmp;
4357 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
4359 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
4360 inst->opcode = OP_BR;
4361 inst->inst_target_bb = bb->last_ins->inst_false_bb;
4362 mono_bblock_add_inst (bb, inst);
4367 if (cfg->verbose_level >= 4 && !cfg->globalra) {
4368 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4369 MonoInst *tree = bb->code;
4370 g_print ("DUMP BLOCK %d:\n", bb->block_num);
4373 for (; tree; tree = tree->next) {
4374 mono_print_ins_index (-1, tree);
4380 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4381 bb->max_vreg = cfg->next_vreg;
4385 if (COMPILE_LLVM (cfg)) {
4389 /* The IR has to be in SSA form for LLVM */
4390 if (!(cfg->comp_done & MONO_COMP_SSA)) {
4391 cfg->exception_message = g_strdup ("SSA disabled.");
4392 cfg->disable_llvm = TRUE;
4395 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4396 mono_decompose_array_access_opts (cfg);
4398 if (!cfg->disable_llvm)
4399 mono_llvm_emit_method (cfg);
4400 if (cfg->disable_llvm) {
4401 if (cfg->verbose_level >= 1) {
4402 //nm = mono_method_full_name (cfg->method, TRUE);
4403 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4406 InterlockedIncrement (&methods_without_llvm);
4407 mono_destroy_compile (cfg);
4409 goto restart_compile;
4412 InterlockedIncrement (&methods_with_llvm);
4414 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
4415 nm = mono_method_full_name (cfg->method, TRUE);
4416 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
4418 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4426 if (cfg->verbose_level >= 2) {
4427 char *id = mono_method_full_name (cfg->method, FALSE);
4428 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
4432 cfg->jit_info = create_jit_info (cfg, method_to_compile);
4434 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
4435 if (cfg->extend_live_ranges) {
4436 /* Extend live ranges to cover the whole method */
4437 for (i = 0; i < cfg->num_varinfo; ++i)
4438 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
4442 mono_save_xdebug_info (cfg);
4444 mini_gc_create_gc_map (cfg);
4446 mono_save_seq_point_info (cfg);
4448 if (!cfg->compile_aot) {
4449 mono_domain_lock (cfg->domain);
4450 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
4452 if (cfg->method->dynamic)
4453 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
4454 mono_domain_unlock (cfg->domain);
4457 /* collect statistics */
4458 mono_perfcounters->jit_methods++;
4459 mono_perfcounters->jit_bytes += header->code_size;
4460 mono_jit_stats.allocated_code_size += cfg->code_len;
4461 code_size_ratio = cfg->code_len;
4462 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
4463 mono_jit_stats.biggest_method_size = code_size_ratio;
4464 g_free (mono_jit_stats.biggest_method);
4465 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4467 code_size_ratio = (code_size_ratio * 100) / header->code_size;
4468 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
4469 mono_jit_stats.max_code_size_ratio = code_size_ratio;
4470 g_free (mono_jit_stats.max_ratio_method);
4471 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4473 mono_jit_stats.native_code_size += cfg->code_len;
4475 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4476 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4484 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4486 g_assert_not_reached ();
4490 #endif /* DISABLE_JIT */
4493 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
4495 static gboolean inited = FALSE;
4496 static int lookups = 0;
4497 static int failed_lookups = 0;
4500 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
4501 if (ji && !ji->has_generic_jit_info)
4505 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
4506 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
4518 * LOCKING: Assumes domain->jit_code_hash_lock is held.
4521 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
4523 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
4528 if (!mono_method_is_generic_sharable_impl (method, FALSE))
4530 return mono_domain_lookup_shared_generic (domain, method);
4534 lookup_method (MonoDomain *domain, MonoMethod *method)
4538 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
4539 mono_domain_jit_code_hash_lock (domain);
4540 info = lookup_method_inner (domain, method);
4541 mono_domain_jit_code_hash_unlock (domain);
4542 mono_loader_unlock ();
4548 static FILE* perf_map_file = NULL;
4551 mono_enable_jit_map (void)
4553 if (!perf_map_file) {
4555 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
4557 perf_map_file = fopen (name, "w");
4562 mono_emit_jit_tramp (void *start, int size, const char *desc)
4565 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
4569 mono_emit_jit_map (MonoJitInfo *jinfo)
4571 if (perf_map_file) {
4572 char *name = mono_method_full_name (jinfo->method, TRUE);
4573 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
4580 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
4583 gpointer code = NULL;
4584 MonoJitInfo *jinfo, *info;
4586 MonoException *ex = NULL;
4587 guint32 prof_options;
4589 #ifdef MONO_USE_AOT_COMPILER
4590 if (opt & MONO_OPT_AOT) {
4591 MonoDomain *domain = mono_domain_get ();
4593 mono_class_init (method->klass);
4595 if ((code = mono_aot_get_method (domain, method))) {
4596 vtable = mono_class_vtable (domain, method->klass);
4598 mono_runtime_class_init (vtable);
4606 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
4607 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
4609 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
4611 if (!piinfo->addr) {
4612 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
4613 piinfo->addr = mono_lookup_internal_call (method);
4614 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
4616 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);
4618 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);
4621 mono_lookup_pinvoke_call (method, NULL, NULL);
4623 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
4624 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4626 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
4627 //mono_debug_add_wrapper (method, nm);
4628 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
4629 const char *name = method->name;
4632 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
4633 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
4634 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
4637 * We need to make sure this wrapper
4638 * is compiled because it might end up
4639 * in an (M)RGCTX if generic sharing
4640 * is enabled, and would be called
4641 * indirectly. If it were a
4642 * trampoline we'd try to patch that
4643 * indirect call, which is not
4646 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
4647 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
4648 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
4649 return mono_create_delegate_trampoline (method->klass);
4651 nm = mono_marshal_get_delegate_invoke (method, NULL);
4652 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4654 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
4655 nm = mono_marshal_get_delegate_begin_invoke (method);
4656 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4657 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
4658 nm = mono_marshal_get_delegate_end_invoke (method);
4659 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4666 if (mono_aot_only) {
4667 char *fullname = mono_method_full_name (method, TRUE);
4668 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
4670 *jit_ex = mono_get_exception_execution_engine (msg);
4677 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
4679 switch (cfg->exception_type) {
4680 case MONO_EXCEPTION_NONE:
4682 case MONO_EXCEPTION_TYPE_LOAD:
4683 case MONO_EXCEPTION_MISSING_FIELD:
4684 case MONO_EXCEPTION_MISSING_METHOD:
4685 case MONO_EXCEPTION_FILE_NOT_FOUND:
4686 case MONO_EXCEPTION_BAD_IMAGE: {
4687 /* Throw a type load exception if needed */
4688 MonoLoaderError *error = mono_loader_get_last_error ();
4691 ex = mono_loader_error_prepare_exception (error);
4693 if (cfg->exception_ptr) {
4694 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
4696 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
4697 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
4698 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
4699 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
4700 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
4701 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
4702 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
4703 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
4704 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
4705 ex = mono_get_exception_bad_image_format (cfg->exception_message);
4707 g_assert_not_reached ();
4712 case MONO_EXCEPTION_INVALID_PROGRAM:
4713 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
4715 case MONO_EXCEPTION_UNVERIFIABLE_IL:
4716 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
4718 case MONO_EXCEPTION_METHOD_ACCESS:
4719 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
4721 case MONO_EXCEPTION_FIELD_ACCESS:
4722 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
4724 /* this can only be set if the security manager is active */
4725 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
4726 MonoSecurityManager* secman = mono_security_manager_get_methods ();
4727 MonoObject *exc = NULL;
4730 args [0] = &cfg->exception_data;
4732 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
4734 ex = (MonoException*)exc;
4737 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
4738 MonoException *exp = cfg->exception_ptr;
4739 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
4745 g_assert_not_reached ();
4749 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
4750 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
4752 mono_destroy_compile (cfg);
4758 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
4759 mono_domain_lock (target_domain);
4761 /* Check if some other thread already did the job. In this case, we can
4762 discard the code this thread generated. */
4764 mono_domain_jit_code_hash_lock (target_domain);
4766 info = lookup_method_inner (target_domain, method);
4768 /* We can't use a domain specific method in another domain */
4769 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
4770 code = info->code_start;
4771 // printf("Discarding code for method %s\n", method->name);
4776 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
4777 mono_domain_jit_code_hash_unlock (target_domain);
4778 code = cfg->native_code;
4780 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
4781 mono_stats.generics_shared_methods++;
4783 mono_domain_jit_code_hash_unlock (target_domain);
4786 jinfo = cfg->jit_info;
4788 prof_options = cfg->prof_options;
4790 mono_destroy_compile (cfg);
4793 if (domain_jit_info (target_domain)->jump_target_hash) {
4794 MonoJumpInfo patch_info;
4796 list = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
4798 patch_info.next = NULL;
4799 patch_info.ip.i = 0;
4800 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
4801 patch_info.data.method = method;
4802 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
4804 for (tmp = list; tmp; tmp = tmp->next)
4805 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, TRUE);
4806 g_slist_free (list);
4809 mono_emit_jit_map (jinfo);
4811 mono_domain_unlock (target_domain);
4812 mono_loader_unlock ();
4814 vtable = mono_class_vtable (target_domain, method->klass);
4817 exc = mono_class_get_exception_for_failure (method->klass);
4819 mono_raise_exception (exc);
4822 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
4823 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
4824 if (mono_marshal_method_from_wrapper (method)) {
4825 /* Native func wrappers have no method */
4826 /* The profiler doesn't know about wrappers, so pass the original icall method */
4827 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
4830 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
4834 mono_runtime_class_init (vtable);
4839 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
4841 MonoDomain *target_domain, *domain = mono_domain_get ();
4844 MonoJitICallInfo *callinfo = NULL;
4847 * ICALL wrappers are handled specially, since there is only one copy of them
4848 * shared by all appdomains.
4850 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
4851 const char *icall_name;
4853 icall_name = method->name + strlen ("__icall_wrapper_");
4854 g_assert (icall_name);
4855 callinfo = mono_find_jit_icall_by_name (icall_name);
4856 g_assert (callinfo);
4858 /* Must be domain neutral since there is only one copy */
4859 opt |= MONO_OPT_SHARED;
4862 if (opt & MONO_OPT_SHARED)
4863 target_domain = mono_get_root_domain ();
4865 target_domain = domain;
4867 info = lookup_method (target_domain, method);
4869 /* We can't use a domain specific method in another domain */
4870 if (! ((domain != target_domain) && !info->domain_neutral)) {
4873 mono_jit_stats.methods_lookups++;
4874 vtable = mono_class_vtable (domain, method->klass);
4876 mono_runtime_class_init (vtable);
4877 return mono_create_ftnptr (target_domain, info->code_start);
4881 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
4885 p = mono_create_ftnptr (target_domain, code);
4889 if (!callinfo->wrapper) {
4890 callinfo->wrapper = p;
4891 mono_register_jit_icall_wrapper (callinfo, p);
4892 mono_debug_add_icall_wrapper (method, callinfo);
4901 mono_jit_compile_method (MonoMethod *method)
4903 MonoException *ex = NULL;
4906 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
4909 mono_raise_exception (ex);
4915 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4917 invalidated_delegate_trampoline (char *desc)
4919 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
4920 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
4926 * mono_jit_free_method:
4928 * Free all memory allocated by the JIT for METHOD.
4931 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
4933 MonoJitDynamicMethodInfo *ji;
4934 gboolean destroy = TRUE;
4936 g_assert (method->dynamic);
4938 mono_domain_lock (domain);
4939 ji = mono_dynamic_code_hash_lookup (domain, method);
4940 mono_domain_unlock (domain);
4944 mono_domain_lock (domain);
4945 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
4946 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
4947 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
4948 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
4949 mono_domain_unlock (domain);
4951 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4952 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
4954 * Instead of freeing the code, change it to call an error routine
4955 * so people can fix their code.
4957 char *type = mono_type_full_name (&method->klass->byval_arg);
4958 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
4961 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
4967 * This needs to be done before freeing code_mp, since the code address is the
4968 * key in the table, so if we free the code_mp first, another thread can grab the
4969 * same code address and replace our entry in the table.
4971 mono_jit_info_table_remove (domain, ji->ji);
4974 mono_code_manager_destroy (ji->code_mp);
4979 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
4981 MonoDomain *target_domain;
4984 if (default_opt & MONO_OPT_SHARED)
4985 target_domain = mono_get_root_domain ();
4987 target_domain = domain;
4989 info = lookup_method (target_domain, method);
4991 /* We can't use a domain specific method in another domain */
4992 if (! ((domain != target_domain) && !info->domain_neutral)) {
4993 mono_jit_stats.methods_lookups++;
4996 return info->code_start;
5006 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
5008 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
5013 gpointer compiled_method;
5014 gpointer runtime_invoke;
5016 MonoDynCallInfo *dyn_call_info;
5017 MonoClass *ret_box_class;
5018 } RuntimeInvokeInfo;
5021 * mono_jit_runtime_invoke:
5022 * @method: the method to invoke
5023 * @obj: this pointer
5024 * @params: array of parameter values.
5025 * @exc: used to catch exceptions objects
5028 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
5031 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
5032 MonoDomain *domain = mono_domain_get ();
5033 MonoJitDomainInfo *domain_info;
5034 RuntimeInvokeInfo *info, *info2;
5036 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
5037 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
5041 domain_info = domain_jit_info (domain);
5043 mono_domain_lock (domain);
5044 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5045 mono_domain_unlock (domain);
5048 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
5050 * This might be redundant since mono_class_vtable () already does this,
5051 * but keep it just in case for moonlight.
5053 mono_class_setup_vtable (method->klass);
5054 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
5056 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
5058 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
5063 info = g_new0 (RuntimeInvokeInfo, 1);
5065 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5066 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
5067 g_assert (info->vtable);
5069 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5070 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5072 * Array Get/Set/Address methods. The JIT implements them using inline code
5073 * inside the runtime invoke wrappers, so no need to compile them.
5075 info->compiled_method = NULL;
5077 MonoException *jit_ex = NULL;
5079 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
5080 if (!info->compiled_method) {
5084 *exc = (MonoObject*)jit_ex;
5087 mono_raise_exception (jit_ex);
5091 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
5092 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
5096 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
5097 * in full-aot mode, so we use a slower, but more generic wrapper if
5098 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
5100 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5101 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
5102 MonoMethodSignature *sig = mono_method_signature (method);
5103 gboolean supported = TRUE;
5106 if (method->string_ctor)
5107 sig = mono_marshal_get_string_ctor_signature (method);
5109 for (i = 0; i < sig->param_count; ++i) {
5110 MonoType *t = sig->params [i];
5112 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
5116 if (method->klass->contextbound || !info->compiled_method)
5120 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
5122 if (info->dyn_call_info) {
5123 switch (sig->ret->type) {
5124 case MONO_TYPE_VOID:
5136 case MONO_TYPE_BOOLEAN:
5137 case MONO_TYPE_CHAR:
5140 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5143 info->ret_box_class = mono_defaults.int_class;
5145 case MONO_TYPE_STRING:
5146 case MONO_TYPE_CLASS:
5147 case MONO_TYPE_ARRAY:
5148 case MONO_TYPE_SZARRAY:
5149 case MONO_TYPE_OBJECT:
5151 case MONO_TYPE_GENERICINST:
5152 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
5153 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5155 case MONO_TYPE_VALUETYPE:
5156 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5159 g_assert_not_reached ();
5166 if (!info->dyn_call_info)
5167 info->runtime_invoke = mono_jit_compile_method (invoke);
5169 mono_domain_lock (domain);
5170 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5175 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
5177 mono_domain_unlock (domain);
5180 runtime_invoke = info->runtime_invoke;
5183 * We need this here because mono_marshal_get_runtime_invoke can place
5184 * the helper method in System.Object and not the target class.
5186 mono_runtime_class_init (info->vtable);
5188 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5189 if (info->dyn_call_info) {
5190 MonoMethodSignature *sig = mono_method_signature (method);
5192 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
5195 guint8 retval [128];
5197 if (!dyn_runtime_invoke) {
5198 invoke = mono_marshal_get_runtime_invoke_dynamic ();
5199 dyn_runtime_invoke = mono_jit_compile_method (invoke);
5202 /* Convert the arguments to the format expected by start_dyn_call () */
5203 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
5206 args [pindex ++] = &obj;
5207 for (i = 0; i < sig->param_count; ++i) {
5208 MonoType *t = sig->params [i];
5211 args [pindex ++] = ¶ms [i];
5212 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
5213 args [pindex ++] = ¶ms [i];
5215 args [pindex ++] = params [i];
5219 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
5221 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
5223 dyn_runtime_invoke (buf, exc, info->compiled_method);
5225 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
5227 if (info->ret_box_class)
5228 return mono_value_box (domain, info->ret_box_class, retval);
5230 return *(MonoObject**)retval;
5234 return runtime_invoke (obj, params, exc, info->compiled_method);
5238 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
5240 MonoException *exc = NULL;
5242 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
5247 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5249 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
5250 if (mono_arch_is_int_overflow (ctx, info))
5251 exc = mono_get_exception_arithmetic ();
5253 exc = mono_get_exception_divide_by_zero ();
5255 exc = mono_get_exception_divide_by_zero ();
5259 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5262 mono_handle_native_sigsegv (SIGSEGV, ctx);
5265 mono_arch_handle_exception (ctx, exc, FALSE);
5269 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
5274 exc = mono_get_exception_execution_engine ("SIGILL");
5276 mono_arch_handle_exception (ctx, exc, FALSE);
5279 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
5280 #define HAVE_SIG_INFO
5284 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
5287 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
5291 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
5292 if (mono_arch_is_single_step_event (info, ctx)) {
5293 mono_debugger_agent_single_step_event (ctx);
5295 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
5296 mono_debugger_agent_breakpoint_hit (ctx);
5301 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
5302 if (mono_aot_is_pagefault (info->si_addr)) {
5303 mono_aot_handle_pagefault (info->si_addr);
5308 /* The thread might no be registered with the runtime */
5309 if (!mono_domain_get () || !jit_tls) {
5310 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5312 mono_handle_native_sigsegv (SIGSEGV, ctx);
5315 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5317 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
5318 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
5321 /* The hard-guard page has been hit: there is not much we can do anymore
5322 * Print a hopefully clear message and abort.
5324 if (jit_tls->stack_size &&
5325 ABS ((guint8*)info->si_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 32768) {
5327 /* we don't do much now, but we can warn the user with a useful message */
5328 fprintf (stderr, "Stack overflow: IP: %p, fault addr: %p\n", mono_arch_ip_from_context (ctx), (gpointer)info->si_addr);
5329 if (ji && ji->method)
5330 method = mono_method_full_name (ji->method, TRUE);
5332 method = "Unmanaged";
5333 fprintf (stderr, "At %s\n", method);
5336 /* The original handler might not like that it is executed on an altstack... */
5337 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
5340 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
5345 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5348 mono_handle_native_sigsegv (SIGSEGV, ctx);
5351 mono_arch_handle_exception (ctx, NULL, FALSE);
5356 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
5361 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
5363 mono_arch_handle_exception (ctx, exc, FALSE);
5366 /* mono_jit_create_remoting_trampoline:
5367 * @method: pointer to the method info
5369 * Creates a trampoline which calls the remoting functions. This
5370 * is used in the vtable of transparent proxies.
5372 * Returns: a pointer to the newly created code
5375 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
5378 guint8 *addr = NULL;
5380 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
5381 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
5385 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
5386 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
5387 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
5388 addr = mono_compile_method (nm);
5390 addr = mono_compile_method (method);
5392 return mono_get_addr_from_ftnptr (addr);
5395 #ifdef MONO_ARCH_HAVE_IMT
5396 static G_GNUC_UNUSED gpointer
5397 mini_get_imt_trampoline (void)
5399 static gpointer tramp = NULL;
5401 tramp = mono_create_specific_trampoline (MONO_FAKE_IMT_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
5407 mini_get_vtable_trampoline (int slot_index)
5409 static gpointer tramp = NULL;
5412 tramp = mono_create_specific_trampoline (MONO_FAKE_VTABLE_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
5417 mini_parse_debug_options (void)
5419 char *options = getenv ("MONO_DEBUG");
5420 gchar **args, **ptr;
5425 args = g_strsplit (options, ",", -1);
5427 for (ptr = args; ptr && *ptr; ptr++) {
5428 const char *arg = *ptr;
5430 if (!strcmp (arg, "handle-sigint"))
5431 debug_options.handle_sigint = TRUE;
5432 else if (!strcmp (arg, "keep-delegates"))
5433 debug_options.keep_delegates = TRUE;
5434 else if (!strcmp (arg, "collect-pagefault-stats"))
5435 debug_options.collect_pagefault_stats = TRUE;
5436 else if (!strcmp (arg, "break-on-unverified"))
5437 debug_options.break_on_unverified = TRUE;
5438 else if (!strcmp (arg, "no-gdb-backtrace"))
5439 debug_options.no_gdb_backtrace = TRUE;
5440 else if (!strcmp (arg, "suspend-on-sigsegv"))
5441 debug_options.suspend_on_sigsegv = TRUE;
5442 else if (!strcmp (arg, "dont-free-domains"))
5443 mono_dont_free_domains = TRUE;
5444 else if (!strcmp (arg, "dyn-runtime-invoke"))
5445 debug_options.dyn_runtime_invoke = TRUE;
5446 else if (!strcmp (arg, "gdb"))
5447 debug_options.gdb = TRUE;
5448 else if (!strcmp (arg, "explicit-null-checks"))
5449 debug_options.explicit_null_checks = TRUE;
5450 else if (!strcmp (arg, "gen-seq-points"))
5451 debug_options.gen_seq_points = TRUE;
5452 else if (!strcmp (arg, "init-stacks"))
5453 debug_options.init_stacks = TRUE;
5455 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
5456 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks'\n");
5465 mini_get_debug_options (void)
5467 return &debug_options;
5471 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
5476 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
5482 #elif defined(__ppc64__) || defined(__powerpc64__)
5485 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
5498 mini_get_addr_from_ftnptr (gpointer descr)
5500 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
5501 return *(gpointer*)descr;
5507 static void runtime_invoke_info_free (gpointer value);
5510 mini_create_jit_domain_info (MonoDomain *domain)
5512 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
5514 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5515 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5516 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5517 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5518 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5519 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
5520 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
5521 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
5523 domain->runtime_info = info;
5527 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
5529 g_slist_free (value);
5533 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
5535 MonoJitDynamicMethodInfo *di = value;
5536 mono_code_manager_destroy (di->code_mp);
5541 runtime_invoke_info_free (gpointer value)
5543 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
5545 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5546 if (info->dyn_call_info)
5547 mono_arch_dyn_call_free (info->dyn_call_info);
5553 mini_free_jit_domain_info (MonoDomain *domain)
5555 MonoJitDomainInfo *info = domain_jit_info (domain);
5557 if (info->jump_target_hash) {
5558 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
5559 g_hash_table_destroy (info->jump_target_hash);
5561 if (info->jump_target_got_slot_hash) {
5562 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
5563 g_hash_table_destroy (info->jump_target_got_slot_hash);
5565 if (info->dynamic_code_hash) {
5566 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
5567 g_hash_table_destroy (info->dynamic_code_hash);
5569 if (info->method_code_hash)
5570 g_hash_table_destroy (info->method_code_hash);
5571 g_hash_table_destroy (info->class_init_trampoline_hash);
5572 g_hash_table_destroy (info->jump_trampoline_hash);
5573 g_hash_table_destroy (info->jit_trampoline_hash);
5574 g_hash_table_destroy (info->delegate_trampoline_hash);
5575 if (info->static_rgctx_trampoline_hash)
5576 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
5577 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
5578 g_hash_table_destroy (info->runtime_invoke_hash);
5579 g_hash_table_destroy (info->seq_points);
5580 g_hash_table_destroy (info->arch_seq_points);
5582 if (info->agent_info)
5583 mono_debugger_agent_free_domain_info (domain);
5585 g_free (domain->runtime_info);
5586 domain->runtime_info = NULL;
5590 mini_init (const char *filename, const char *runtime_version)
5593 MonoRuntimeCallbacks callbacks;
5595 MONO_PROBE_VES_INIT_BEGIN ();
5598 if (access ("/proc/self/maps", F_OK) != 0) {
5599 g_print ("Mono requires /proc to be mounted.\n");
5604 /* Happens when using the embedding interface */
5605 if (!default_opt_set)
5606 default_opt = mono_parse_default_optimizations (NULL);
5608 InitializeCriticalSection (&jit_mutex);
5610 #ifdef MONO_DEBUGGER_SUPPORTED
5611 if (mini_debug_running_inside_mdb ())
5612 mini_debugger_init ();
5615 #ifdef MONO_ARCH_HAVE_TLS_GET
5616 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
5618 mono_runtime_set_has_tls_get (FALSE);
5621 if (!global_codeman)
5622 global_codeman = mono_code_manager_new ();
5623 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
5625 memset (&callbacks, 0, sizeof (callbacks));
5626 callbacks.create_ftnptr = mini_create_ftnptr;
5627 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
5628 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
5630 #ifdef MONO_ARCH_HAVE_IMT
5632 if (!mono_use_llvm) {
5633 /* LLVM needs a per-method vtable trampoline */
5634 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
5639 mono_install_callbacks (&callbacks);
5641 mono_arch_cpu_init ();
5645 mono_unwind_init ();
5649 if (getenv ("MONO_DEBUG") != NULL)
5650 mini_parse_debug_options ();
5652 if (getenv ("MONO_XDEBUG")) {
5653 char *xdebug_opts = getenv ("MONO_XDEBUG");
5654 mono_xdebug_init (xdebug_opts);
5655 /* So methods for multiple domains don't have the same address */
5656 mono_dont_free_domains = TRUE;
5657 mono_using_xdebug = TRUE;
5658 } else if (mini_get_debug_options ()->gdb) {
5659 mono_xdebug_init ((char*)"gdb");
5660 mono_dont_free_domains = TRUE;
5661 mono_using_xdebug = TRUE;
5668 mono_trampolines_init ();
5670 if (!g_thread_supported ())
5671 g_thread_init (NULL);
5673 mono_jit_tls_id = TlsAlloc ();
5674 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
5676 if (default_opt & MONO_OPT_AOT)
5679 mono_debugger_agent_init ();
5681 #ifdef MONO_ARCH_GSHARED_SUPPORTED
5682 mono_set_generic_sharing_supported (TRUE);
5685 #ifndef MONO_CROSS_COMPILE
5686 mono_runtime_install_handlers ();
5688 mono_threads_install_cleanup (mini_thread_cleanup);
5690 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
5691 // This is experimental code so provide an env var to switch it off
5692 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
5693 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
5695 check_for_pending_exc = FALSE;
5696 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
5700 #define JIT_TRAMPOLINES_WORK
5701 #ifdef JIT_TRAMPOLINES_WORK
5702 mono_install_compile_method (mono_jit_compile_method);
5703 mono_install_free_method (mono_jit_free_method);
5704 #ifdef MONO_ARCH_LLVM_SUPPORTED
5706 /* The runtime currently only uses this for filling out vtables */
5707 mono_install_trampoline (mono_create_llvm_vcall_trampoline);
5709 mono_install_trampoline (mono_create_jit_trampoline);
5711 mono_install_trampoline (mono_create_jit_trampoline);
5713 mono_install_jump_trampoline (mono_create_jump_trampoline);
5714 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
5715 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
5716 mono_install_create_domain_hook (mini_create_jit_domain_info);
5717 mono_install_free_domain_hook (mini_free_jit_domain_info);
5719 #define JIT_INVOKE_WORKS
5720 #ifdef JIT_INVOKE_WORKS
5721 mono_install_runtime_invoke (mono_jit_runtime_invoke);
5723 mono_install_stack_walk (mono_jit_walk_stack);
5724 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
5725 mono_install_get_class_from_name (mono_aot_get_class_from_name);
5726 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
5728 if (debug_options.collect_pagefault_stats) {
5729 mono_aot_set_make_unreadable (TRUE);
5732 if (runtime_version)
5733 domain = mono_init_version (filename, runtime_version);
5735 domain = mono_init_from_assembly (filename, filename);
5737 if (mono_aot_only) {
5738 /* This helps catch code allocation requests */
5739 mono_code_manager_set_read_only (domain->code_mp);
5742 #ifdef MONO_ARCH_HAVE_IMT
5745 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
5747 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
5748 if (!mono_use_llvm) {
5750 * The imt code in mono_magic_trampoline () can't handle LLVM code. By disabling
5751 * this, we force iface calls to go through the llvm vcall trampoline.
5753 mono_install_imt_trampoline (mini_get_imt_trampoline ());
5758 /* This must come after mono_init () in the aot-only case */
5759 mono_exceptions_init ();
5760 mono_install_handler (mono_get_throw_exception ());
5764 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
5765 ves_icall_get_frame_info);
5766 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
5767 ves_icall_get_trace);
5768 mono_add_internal_call ("System.Exception::get_trace",
5769 ves_icall_System_Exception_get_trace);
5770 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
5771 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
5772 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
5773 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
5774 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
5775 mono_runtime_install_handlers);
5778 create_helper_signature ();
5780 #define JIT_CALLS_WORK
5781 #ifdef JIT_CALLS_WORK
5782 /* Needs to be called here since register_jit_icall depends on it */
5783 mono_marshal_init ();
5785 mono_arch_register_lowlevel_calls ();
5786 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
5787 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
5788 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
5789 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
5790 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
5791 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
5792 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
5794 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
5795 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
5796 #ifdef MONO_ARCH_HAVE_THROW_EXCEPTION_BY_NAME
5797 register_icall (mono_get_throw_exception_by_name (), "mono_arch_throw_exception_by_name", "void ptr", TRUE);
5799 #if MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION
5800 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
5803 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
5804 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
5805 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
5806 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
5807 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
5810 * NOTE, NOTE, NOTE, NOTE:
5811 * when adding emulation for some opcodes, remember to also add a dummy
5812 * rule to the burg files, because we need the arity information to be correct.
5814 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
5815 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
5816 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
5817 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
5818 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
5819 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
5820 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
5821 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
5824 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
5825 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
5826 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
5827 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
5830 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
5831 mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE);
5832 mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5833 mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE);
5834 mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5835 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
5836 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5837 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
5838 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5841 #ifdef MONO_ARCH_EMULATE_MUL_DIV
5842 mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE);
5843 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
5846 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
5847 mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5848 mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5849 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5850 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5853 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
5854 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
5857 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
5858 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
5859 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
5860 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
5862 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
5863 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
5865 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
5866 mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5867 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5869 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
5870 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
5872 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
5873 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
5875 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
5876 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
5878 #ifdef MONO_ARCH_EMULATE_FREM
5879 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
5882 #ifdef MONO_ARCH_SOFT_FLOAT
5883 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
5884 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
5885 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
5886 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
5887 mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE);
5888 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
5889 mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE);
5890 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
5891 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
5892 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
5893 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
5894 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
5895 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
5896 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
5897 #if SIZEOF_VOID_P == 4
5898 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
5901 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
5902 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
5903 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
5904 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
5905 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
5906 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
5907 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
5908 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
5909 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
5910 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
5912 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
5913 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
5914 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
5915 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
5916 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
5918 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
5919 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
5920 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
5921 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
5924 #ifdef COMPRESSED_INTERFACE_BITMAP
5925 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
5928 #if SIZEOF_REGISTER == 4
5929 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
5932 /* other jit icalls */
5933 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
5934 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
5935 "ptr ptr ptr", FALSE);
5936 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
5937 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
5938 "ptr ptr ptr ptr", FALSE);
5939 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
5940 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
5941 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
5942 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
5943 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
5944 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
5945 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
5946 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
5947 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
5948 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
5949 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
5950 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
5951 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
5952 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
5953 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
5954 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
5955 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
5956 register_icall (mono_break, "mono_break", NULL, TRUE);
5957 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
5958 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
5959 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
5960 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
5961 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
5962 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
5963 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
5966 mono_generic_sharing_init ();
5968 #ifdef MONO_ARCH_SIMD_INTRINSICS
5969 mono_simd_intrinsics_init ();
5972 #if MONO_SUPPORT_TASKLETS
5973 mono_tasklets_init ();
5976 if (mono_compile_aot)
5978 * Avoid running managed code when AOT compiling, since the platform
5979 * might only support aot-only execution.
5981 mono_runtime_set_no_exec (TRUE);
5983 #define JIT_RUNTIME_WORKS
5984 #ifdef JIT_RUNTIME_WORKS
5985 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
5986 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
5987 mono_thread_attach (domain);
5990 mono_profiler_runtime_initialized ();
5992 MONO_PROBE_VES_INIT_END ();
5997 MonoJitStats mono_jit_stats = {0};
6000 print_jit_stats (void)
6002 if (mono_jit_stats.enabled) {
6003 g_print ("Mono Jit statistics\n");
6004 g_print ("Compiled methods: %ld\n", mono_jit_stats.methods_compiled);
6005 g_print ("Methods from AOT: %ld\n", mono_jit_stats.methods_aot);
6006 g_print ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups);
6007 g_print ("Method trampolines: %ld\n", mono_jit_stats.method_trampolines);
6008 g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks);
6009 g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks);
6010 g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var);
6011 g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size);
6012 g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size);
6013 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
6014 mono_jit_stats.max_ratio_method);
6015 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
6016 mono_jit_stats.biggest_method);
6017 g_print ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs);
6018 g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size);
6019 g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods);
6020 g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods);
6021 g_print ("Regvars: %ld\n", mono_jit_stats.regvars);
6022 g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size);
6024 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
6025 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
6026 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
6027 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
6028 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
6029 g_print ("Methods: %ld\n", mono_stats.method_count);
6030 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
6031 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
6032 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
6034 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
6035 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
6036 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
6038 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
6039 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
6040 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
6042 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
6043 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
6044 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
6046 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
6047 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
6048 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
6049 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
6050 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
6051 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
6052 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
6053 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
6055 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
6056 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
6057 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
6059 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
6061 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
6063 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
6065 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
6067 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
6068 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
6069 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
6070 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
6071 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
6072 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
6073 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
6074 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
6077 g_free (mono_jit_stats.max_ratio_method);
6078 mono_jit_stats.max_ratio_method = NULL;
6079 g_free (mono_jit_stats.biggest_method);
6080 mono_jit_stats.biggest_method = NULL;
6085 mini_cleanup (MonoDomain *domain)
6087 mono_runtime_shutdown_stat_profiler ();
6090 cominterop_release_all_rcws ();
6093 #ifndef MONO_CROSS_COMPILE
6095 * mono_runtime_cleanup() and mono_domain_finalize () need to
6096 * be called early since they need the execution engine still
6097 * fully working (mono_domain_finalize may invoke managed finalizers
6098 * and mono_runtime_cleanup will wait for other threads to finish).
6100 mono_domain_finalize (domain, 2000);
6103 /* This accesses metadata so needs to be called before runtime shutdown */
6106 mono_profiler_shutdown ();
6108 #ifndef MONO_CROSS_COMPILE
6109 mono_runtime_cleanup (domain);
6112 mono_icall_cleanup ();
6114 mono_runtime_cleanup_handlers ();
6116 mono_domain_free (domain, TRUE);
6118 mono_debugger_cleanup ();
6121 mono_llvm_cleanup ();
6124 mono_trampolines_cleanup ();
6126 mono_unwind_cleanup ();
6128 if (!mono_dont_free_global_codeman)
6129 mono_code_manager_destroy (global_codeman);
6130 g_hash_table_destroy (jit_icall_name_hash);
6131 g_free (emul_opcode_map);
6132 g_free (emul_opcode_opcodes);
6134 mono_arch_cleanup ();
6138 mono_trace_cleanup ();
6140 mono_counters_dump (-1, stdout);
6142 if (mono_inject_async_exc_method)
6143 mono_method_desc_free (mono_inject_async_exc_method);
6145 TlsFree(mono_jit_tls_id);
6147 DeleteCriticalSection (&jit_mutex);
6149 DeleteCriticalSection (&mono_delegate_section);
6153 mono_set_defaults (int verbose_level, guint32 opts)
6155 mini_verbose = verbose_level;
6157 default_opt_set = TRUE;
6161 mono_disable_optimizations (guint32 opts)
6163 default_opt &= ~opts;
6167 * mono_get_runtime_build_info:
6169 * Return the runtime version + build date in string format.
6170 * The returned string is owned by the caller.
6173 mono_get_runtime_build_info (void)
6175 if (mono_build_date)
6176 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
6178 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
6182 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
6184 GHashTable *assemblies = (GHashTable*)user_data;
6185 MonoImage *image = mono_assembly_get_image (ass);
6186 MonoMethod *method, *invoke;
6189 if (g_hash_table_lookup (assemblies, ass))
6192 g_hash_table_insert (assemblies, ass, ass);
6194 if (mini_verbose > 0)
6195 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
6197 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
6198 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
6199 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
6203 if (mini_verbose > 1) {
6204 char * desc = mono_method_full_name (method, TRUE);
6205 g_print ("Compiling %d %s\n", count, desc);
6208 mono_compile_method (method);
6209 if (strcmp (method->name, "Finalize") == 0) {
6210 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6211 mono_compile_method (invoke);
6213 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
6214 invoke = mono_marshal_get_remoting_invoke_with_check (method);
6215 mono_compile_method (invoke);
6219 /* Load and precompile referenced assemblies as well */
6220 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
6221 mono_assembly_load_reference (image, i);
6222 if (image->references [i])
6223 mono_precompile_assembly (image->references [i], assemblies);
6227 void mono_precompile_assemblies ()
6229 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
6231 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
6233 g_hash_table_destroy (assemblies);
6239 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
6240 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
6244 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
6246 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
6247 hole->clause = clause;
6248 hole->start_offset = start - cfg->native_code;
6249 hole->basic_block = bb;
6251 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);