2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Copyright 2003-2010 Novell, Inc.
10 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
11 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
22 #ifdef HAVE_SYS_TIME_H
26 #include <mono/utils/memcheck.h>
28 #include <mono/metadata/assembly.h>
29 #include <mono/metadata/loader.h>
30 #include <mono/metadata/tabledefs.h>
31 #include <mono/metadata/class.h>
32 #include <mono/metadata/object.h>
33 #include <mono/metadata/tokentype.h>
34 #include <mono/metadata/tabledefs.h>
35 #include <mono/metadata/threads.h>
36 #include <mono/metadata/appdomain.h>
37 #include <mono/metadata/debug-helpers.h>
38 #include "mono/metadata/profiler.h"
39 #include <mono/metadata/profiler-private.h>
40 #include <mono/metadata/mono-config.h>
41 #include <mono/metadata/environment.h>
42 #include <mono/metadata/mono-debug.h>
43 #include <mono/metadata/gc-internals.h>
44 #include <mono/metadata/threads-types.h>
45 #include <mono/metadata/verify.h>
46 #include <mono/metadata/verify-internals.h>
47 #include <mono/metadata/mempool-internals.h>
48 #include <mono/metadata/attach.h>
49 #include <mono/metadata/runtime.h>
50 #include <mono/utils/mono-math.h>
51 #include <mono/utils/mono-compiler.h>
52 #include <mono/utils/mono-counters.h>
53 #include <mono/utils/mono-error-internals.h>
54 #include <mono/utils/mono-logger-internals.h>
55 #include <mono/utils/mono-mmap.h>
56 #include <mono/utils/mono-path.h>
57 #include <mono/utils/mono-tls.h>
58 #include <mono/utils/mono-hwcap.h>
59 #include <mono/utils/dtrace.h>
60 #include <mono/utils/mono-threads.h>
61 #include <mono/io-layer/io-layer.h>
64 #include "seq-points.h"
72 #include "jit-icalls.h"
75 #include "debugger-agent.h"
76 #include "llvm-runtime.h"
77 #include "mini-llvm.h"
79 MonoTraceSpec *mono_jit_trace_calls;
80 MonoMethodDesc *mono_inject_async_exc_method;
81 int mono_inject_async_exc_pos;
82 MonoMethodDesc *mono_break_at_bb_method;
83 int mono_break_at_bb_bb_num;
84 gboolean mono_do_x86_stack_align = TRUE;
85 gboolean mono_using_xdebug;
87 #define mono_jit_lock() mono_os_mutex_lock (&jit_mutex)
88 #define mono_jit_unlock() mono_os_mutex_unlock (&jit_mutex)
89 static mono_mutex_t jit_mutex;
91 MonoBackend *current_backend;
96 mono_realloc_native_code (MonoCompile *cfg)
98 return g_realloc (cfg->native_code, cfg->code_size);
102 MonoExceptionClause *clause;
103 MonoBasicBlock *basic_block;
108 * mono_emit_unwind_op:
110 * Add an unwind op with the given parameters for the list of unwind ops stored in
114 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
116 MonoUnwindOp *op = (MonoUnwindOp *)mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
123 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
124 if (cfg->verbose_level > 1) {
127 printf ("CFA: [%x] def_cfa: %s+0x%x\n", when, mono_arch_regname (reg), val);
129 case DW_CFA_def_cfa_register:
130 printf ("CFA: [%x] def_cfa_reg: %s\n", when, mono_arch_regname (reg));
132 case DW_CFA_def_cfa_offset:
133 printf ("CFA: [%x] def_cfa_offset: 0x%x\n", when, val);
136 printf ("CFA: [%x] offset: %s at cfa-0x%x\n", when, mono_arch_regname (reg), -val);
142 #define MONO_INIT_VARINFO(vi,id) do { \
143 (vi)->range.first_use.pos.bid = 0xffff; \
149 * mono_unlink_bblock:
151 * Unlink two basic blocks.
154 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
160 for (i = 0; i < from->out_count; ++i) {
161 if (to == from->out_bb [i]) {
168 for (i = 0; i < from->out_count; ++i) {
169 if (from->out_bb [i] != to)
170 from->out_bb [pos ++] = from->out_bb [i];
172 g_assert (pos == from->out_count - 1);
177 for (i = 0; i < to->in_count; ++i) {
178 if (from == to->in_bb [i]) {
185 for (i = 0; i < to->in_count; ++i) {
186 if (to->in_bb [i] != from)
187 to->in_bb [pos ++] = to->in_bb [i];
189 g_assert (pos == to->in_count - 1);
195 * mono_bblocks_linked:
197 * Return whenever BB1 and BB2 are linked in the CFG.
200 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
204 for (i = 0; i < bb1->out_count; ++i) {
205 if (bb1->out_bb [i] == bb2)
213 mono_find_block_region_notry (MonoCompile *cfg, int offset)
215 MonoMethodHeader *header = cfg->header;
216 MonoExceptionClause *clause;
219 for (i = 0; i < header->num_clauses; ++i) {
220 clause = &header->clauses [i];
221 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
222 (offset < (clause->handler_offset)))
223 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
225 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
226 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
227 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
228 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
229 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
231 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
239 * mono_get_block_region_notry:
241 * Return the region corresponding to REGION, ignoring try clauses nested inside
245 mono_get_block_region_notry (MonoCompile *cfg, int region)
247 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
248 MonoMethodHeader *header = cfg->header;
251 * This can happen if a try clause is nested inside a finally clause.
253 int clause_index = (region >> 8) - 1;
254 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
256 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
263 mono_find_spvar_for_region (MonoCompile *cfg, int region)
265 region = mono_get_block_region_notry (cfg, region);
267 return (MonoInst *)g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
271 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
275 array [*dfn] = start;
276 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
277 for (i = 0; i < start->out_count; ++i) {
278 if (start->out_bb [i]->dfn)
281 start->out_bb [i]->dfn = *dfn;
282 start->out_bb [i]->df_parent = start;
283 array [*dfn] = start->out_bb [i];
284 df_visit (start->out_bb [i], dfn, array);
289 mono_reverse_branch_op (guint32 opcode)
291 static const int reverse_map [] = {
292 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
293 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
295 static const int reverse_fmap [] = {
296 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
297 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
299 static const int reverse_lmap [] = {
300 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
301 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
303 static const int reverse_imap [] = {
304 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
305 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
308 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
309 opcode = reverse_map [opcode - CEE_BEQ];
310 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
311 opcode = reverse_fmap [opcode - OP_FBEQ];
312 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
313 opcode = reverse_lmap [opcode - OP_LBEQ];
314 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
315 opcode = reverse_imap [opcode - OP_IBEQ];
317 g_assert_not_reached ();
323 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
325 type = mini_get_underlying_type (type);
328 switch (type->type) {
331 return OP_STOREI1_MEMBASE_REG;
334 return OP_STOREI2_MEMBASE_REG;
337 return OP_STOREI4_MEMBASE_REG;
341 case MONO_TYPE_FNPTR:
342 return OP_STORE_MEMBASE_REG;
343 case MONO_TYPE_CLASS:
344 case MONO_TYPE_STRING:
345 case MONO_TYPE_OBJECT:
346 case MONO_TYPE_SZARRAY:
347 case MONO_TYPE_ARRAY:
348 return OP_STORE_MEMBASE_REG;
351 return OP_STOREI8_MEMBASE_REG;
353 return OP_STORER4_MEMBASE_REG;
355 return OP_STORER8_MEMBASE_REG;
356 case MONO_TYPE_VALUETYPE:
357 if (type->data.klass->enumtype) {
358 type = mono_class_enum_basetype (type->data.klass);
361 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
362 return OP_STOREX_MEMBASE;
363 return OP_STOREV_MEMBASE;
364 case MONO_TYPE_TYPEDBYREF:
365 return OP_STOREV_MEMBASE;
366 case MONO_TYPE_GENERICINST:
367 type = &type->data.generic_class->container_class->byval_arg;
371 g_assert (mini_type_var_is_vt (type));
372 return OP_STOREV_MEMBASE;
374 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
380 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
382 type = mini_get_underlying_type (type);
384 switch (type->type) {
386 return OP_LOADI1_MEMBASE;
388 return OP_LOADU1_MEMBASE;
390 return OP_LOADI2_MEMBASE;
392 return OP_LOADU2_MEMBASE;
394 return OP_LOADI4_MEMBASE;
396 return OP_LOADU4_MEMBASE;
400 case MONO_TYPE_FNPTR:
401 return OP_LOAD_MEMBASE;
402 case MONO_TYPE_CLASS:
403 case MONO_TYPE_STRING:
404 case MONO_TYPE_OBJECT:
405 case MONO_TYPE_SZARRAY:
406 case MONO_TYPE_ARRAY:
407 return OP_LOAD_MEMBASE;
410 return OP_LOADI8_MEMBASE;
412 return OP_LOADR4_MEMBASE;
414 return OP_LOADR8_MEMBASE;
415 case MONO_TYPE_VALUETYPE:
416 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
417 return OP_LOADX_MEMBASE;
418 case MONO_TYPE_TYPEDBYREF:
419 return OP_LOADV_MEMBASE;
420 case MONO_TYPE_GENERICINST:
421 if (mono_type_generic_inst_is_valuetype (type))
422 return OP_LOADV_MEMBASE;
424 return OP_LOAD_MEMBASE;
428 g_assert (cfg->gshared);
429 g_assert (mini_type_var_is_vt (type));
430 return OP_LOADV_MEMBASE;
432 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
438 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
440 type = mini_get_underlying_type (type);
441 if (cfg->gshared && !type->byref && (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)) {
442 g_assert (mini_type_var_is_vt (type));
445 return mono_type_to_stind (type);
449 mono_op_imm_to_op (int opcode)
453 #if SIZEOF_REGISTER == 4
471 #if SIZEOF_REGISTER == 4
477 #if SIZEOF_REGISTER == 4
483 #if SIZEOF_REGISTER == 4
529 #if SIZEOF_REGISTER == 4
535 #if SIZEOF_REGISTER == 4
554 case OP_ICOMPARE_IMM:
556 case OP_LOCALLOC_IMM:
564 * mono_decompose_op_imm:
566 * Replace the OP_.._IMM INS with its non IMM variant.
569 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
571 int opcode2 = mono_op_imm_to_op (ins->opcode);
574 const char *spec = INS_INFO (ins->opcode);
576 if (spec [MONO_INST_SRC2] == 'l') {
577 dreg = mono_alloc_lreg (cfg);
579 /* Load the 64bit constant using decomposed ops */
580 MONO_INST_NEW (cfg, temp, OP_ICONST);
581 temp->inst_c0 = ins->inst_ls_word;
582 temp->dreg = MONO_LVREG_LS (dreg);
583 mono_bblock_insert_before_ins (bb, ins, temp);
585 MONO_INST_NEW (cfg, temp, OP_ICONST);
586 temp->inst_c0 = ins->inst_ms_word;
587 temp->dreg = MONO_LVREG_MS (dreg);
589 dreg = mono_alloc_ireg (cfg);
591 MONO_INST_NEW (cfg, temp, OP_ICONST);
592 temp->inst_c0 = ins->inst_imm;
596 mono_bblock_insert_before_ins (bb, ins, temp);
599 g_error ("mono_op_imm_to_op failed for %s\n", mono_inst_name (ins->opcode));
600 ins->opcode = opcode2;
602 if (ins->opcode == OP_LOCALLOC)
607 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
611 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
613 if (vreg >= cfg->vreg_to_inst_len) {
614 MonoInst **tmp = cfg->vreg_to_inst;
615 int size = cfg->vreg_to_inst_len;
617 while (vreg >= cfg->vreg_to_inst_len)
618 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
619 cfg->vreg_to_inst = (MonoInst **)mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
621 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
623 cfg->vreg_to_inst [vreg] = inst;
626 #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)))
627 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
630 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
633 int num = cfg->num_varinfo;
636 type = mini_get_underlying_type (type);
638 if ((num + 1) >= cfg->varinfo_count) {
639 int orig_count = cfg->varinfo_count;
640 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 32;
641 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
642 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
643 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
646 cfg->stat_allocate_var++;
648 MONO_INST_NEW (cfg, inst, opcode);
650 inst->inst_vtype = type;
651 inst->klass = mono_class_from_mono_type (type);
652 type_to_eval_stack_type (cfg, type, inst);
653 /* if set to 1 the variable is native */
654 inst->backend.is_pinvoke = 0;
657 if (mono_class_has_failure (inst->klass))
658 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
660 if (cfg->compute_gc_maps) {
662 mono_mark_vreg_as_mp (cfg, vreg);
664 if ((MONO_TYPE_ISSTRUCT (type) && inst->klass->has_references) || mini_type_is_reference (type)) {
665 inst->flags |= MONO_INST_GC_TRACK;
666 mono_mark_vreg_as_ref (cfg, vreg);
671 cfg->varinfo [num] = inst;
673 MONO_INIT_VARINFO (&cfg->vars [num], num);
674 MONO_VARINFO (cfg, num)->vreg = vreg;
677 set_vreg_to_inst (cfg, vreg, inst);
679 #if SIZEOF_REGISTER == 4
680 if (mono_arch_is_soft_float ()) {
681 regpair = mono_type_is_long (type) || mono_type_is_float (type);
683 regpair = mono_type_is_long (type);
693 * These two cannot be allocated using create_var_for_vreg since that would
694 * put it into the cfg->varinfo array, confusing many parts of the JIT.
698 * Set flags to VOLATILE so SSA skips it.
701 if (cfg->verbose_level >= 4) {
702 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, MONO_LVREG_LS (inst->dreg), MONO_LVREG_MS (inst->dreg));
705 if (mono_arch_is_soft_float () && cfg->opt & MONO_OPT_SSA) {
706 if (mono_type_is_float (type))
707 inst->flags = MONO_INST_VOLATILE;
710 /* Allocate a dummy MonoInst for the first vreg */
711 MONO_INST_NEW (cfg, tree, OP_LOCAL);
712 tree->dreg = MONO_LVREG_LS (inst->dreg);
713 if (cfg->opt & MONO_OPT_SSA)
714 tree->flags = MONO_INST_VOLATILE;
716 tree->type = STACK_I4;
717 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
718 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
720 set_vreg_to_inst (cfg, MONO_LVREG_LS (inst->dreg), tree);
722 /* Allocate a dummy MonoInst for the second vreg */
723 MONO_INST_NEW (cfg, tree, OP_LOCAL);
724 tree->dreg = MONO_LVREG_MS (inst->dreg);
725 if (cfg->opt & MONO_OPT_SSA)
726 tree->flags = MONO_INST_VOLATILE;
728 tree->type = STACK_I4;
729 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
730 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
732 set_vreg_to_inst (cfg, MONO_LVREG_MS (inst->dreg), tree);
736 if (cfg->verbose_level > 2)
737 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
742 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
745 type = mini_get_underlying_type (type);
747 if (mono_type_is_long (type))
748 dreg = mono_alloc_dreg (cfg, STACK_I8);
749 else if (mono_arch_is_soft_float () && mono_type_is_float (type))
750 dreg = mono_alloc_dreg (cfg, STACK_R8);
752 /* All the others are unified */
753 dreg = mono_alloc_preg (cfg);
755 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
759 mini_get_int_to_float_spill_area (MonoCompile *cfg)
762 if (!cfg->iconv_raw_var) {
763 cfg->iconv_raw_var = mono_compile_create_var (cfg, &mono_defaults.int32_class->byval_arg, OP_LOCAL);
764 cfg->iconv_raw_var->flags |= MONO_INST_VOLATILE; /*FIXME, use the don't regalloc flag*/
766 return cfg->iconv_raw_var;
773 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
775 if (vreg >= cfg->vreg_is_ref_len) {
776 gboolean *tmp = cfg->vreg_is_ref;
777 int size = cfg->vreg_is_ref_len;
779 while (vreg >= cfg->vreg_is_ref_len)
780 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
781 cfg->vreg_is_ref = (gboolean *)mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
783 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
785 cfg->vreg_is_ref [vreg] = TRUE;
789 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
791 if (vreg >= cfg->vreg_is_mp_len) {
792 gboolean *tmp = cfg->vreg_is_mp;
793 int size = cfg->vreg_is_mp_len;
795 while (vreg >= cfg->vreg_is_mp_len)
796 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
797 cfg->vreg_is_mp = (gboolean *)mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
799 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
801 cfg->vreg_is_mp [vreg] = TRUE;
805 type_from_stack_type (MonoInst *ins)
808 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
809 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
810 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
811 case STACK_R8: return &mono_defaults.double_class->byval_arg;
814 * this if used to be commented without any specific reason, but
815 * it breaks #80235 when commented
818 return &ins->klass->this_arg;
820 return &mono_defaults.object_class->this_arg;
822 /* ins->klass may not be set for ldnull.
823 * Also, if we have a boxed valuetype, we want an object lass,
824 * not the valuetype class
826 if (ins->klass && !ins->klass->valuetype)
827 return &ins->klass->byval_arg;
828 return &mono_defaults.object_class->byval_arg;
829 case STACK_VTYPE: return &ins->klass->byval_arg;
831 g_error ("stack type %d to montype not handled\n", ins->type);
837 mono_type_from_stack_type (MonoInst *ins)
839 return type_from_stack_type (ins);
843 * mono_add_ins_to_end:
845 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
848 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
853 MONO_ADD_INS (bb, inst);
857 switch (bb->last_ins->opcode) {
871 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
874 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
875 /* Need to insert the ins before the compare */
876 if (bb->code == bb->last_ins) {
877 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
881 if (bb->code->next == bb->last_ins) {
882 /* Only two instructions */
883 opcode = bb->code->opcode;
885 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) || (opcode == OP_RCOMPARE)) {
887 mono_bblock_insert_before_ins (bb, bb->code, inst);
889 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
892 opcode = bb->last_ins->prev->opcode;
894 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) || (opcode == OP_RCOMPARE)) {
896 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
898 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
903 MONO_ADD_INS (bb, inst);
909 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
911 MonoJumpInfo *ji = (MonoJumpInfo *)mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
912 MonoJumpInfoBBTable *table;
914 table = (MonoJumpInfoBBTable *)mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
916 table->table_size = num_blocks;
918 ji->ip.label = label;
919 ji->type = MONO_PATCH_INFO_SWITCH;
920 ji->data.table = table;
921 ji->next = cfg->patch_info;
922 cfg->patch_info = ji;
925 static MonoMethodSignature *
926 mono_get_array_new_va_signature (int arity)
928 static GHashTable *sighash;
929 MonoMethodSignature *res;
934 sighash = g_hash_table_new (NULL, NULL);
936 else if ((res = (MonoMethodSignature *)g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
941 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
944 if (ARCH_VARARG_ICALLS)
945 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
946 res->call_convention = MONO_CALL_VARARG;
949 res->call_convention = MONO_CALL_C;
952 res->params [0] = &mono_defaults.int_class->byval_arg;
953 for (i = 0; i < arity; i++)
954 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
956 res->ret = &mono_defaults.object_class->byval_arg;
958 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
965 mono_get_array_new_va_icall (int rank)
967 MonoMethodSignature *esig;
968 char icall_name [256];
970 MonoJitICallInfo *info;
972 /* Need to register the icall so it gets an icall wrapper */
973 sprintf (icall_name, "ves_array_new_va_%d", rank);
976 info = mono_find_jit_icall_by_name (icall_name);
978 esig = mono_get_array_new_va_signature (rank);
979 name = g_strdup (icall_name);
980 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
988 mini_class_is_system_array (MonoClass *klass)
990 if (klass->parent == mono_defaults.array_class)
997 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
999 MonoAssembly *assembly = method->klass->image->assembly;
1000 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1002 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1004 return mono_assembly_has_skip_verification (assembly);
1008 * mini_method_verify:
1010 * Verify the method using the verfier.
1012 * Returns true if the method is invalid.
1015 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1018 gboolean is_fulltrust;
1020 if (method->verification_success)
1023 if (!mono_verifier_is_enabled_for_method (method))
1026 /*skip verification implies the assembly must be */
1027 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1029 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1032 for (tmp = res; tmp; tmp = tmp->next) {
1033 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1034 if (info->info.status == MONO_VERIFY_ERROR) {
1036 char *method_name = mono_method_full_name (method, TRUE);
1037 cfg->exception_type = info->exception_type;
1038 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1039 g_free (method_name);
1041 mono_free_verify_list (res);
1044 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1046 char *method_name = mono_method_full_name (method, TRUE);
1047 char *msg = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1049 if (info->exception_type == MONO_EXCEPTION_METHOD_ACCESS)
1050 mono_error_set_generic_error (&cfg->error, "System", "MethodAccessException", "%s", msg);
1051 else if (info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)
1052 mono_error_set_generic_error (&cfg->error, "System", "FieldAccessException", "%s", msg);
1053 else if (info->exception_type == MONO_EXCEPTION_UNVERIFIABLE_IL)
1054 mono_error_set_generic_error (&cfg->error, "System.Security", "VerificationException", msg);
1055 if (!mono_error_ok (&cfg->error)) {
1056 mono_cfg_set_exception (cfg, MONO_EXCEPTION_MONO_ERROR);
1059 cfg->exception_type = info->exception_type;
1060 cfg->exception_message = msg;
1062 g_free (method_name);
1064 mono_free_verify_list (res);
1068 mono_free_verify_list (res);
1070 method->verification_success = 1;
1074 /*Returns true if something went wrong*/
1076 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1078 MonoMethod *method_definition = method;
1079 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1081 while (method_definition->is_inflated) {
1082 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1083 method_definition = imethod->declaring;
1086 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1090 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1092 if (!domain_jit_info (domain)->dynamic_code_hash)
1093 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1094 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1097 static MonoJitDynamicMethodInfo*
1098 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1100 MonoJitDynamicMethodInfo *res;
1102 if (domain_jit_info (domain)->dynamic_code_hash)
1103 res = (MonoJitDynamicMethodInfo *)g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1111 GList *active, *inactive;
1116 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1118 MonoMethodVar *v1 = (MonoMethodVar*)a;
1119 MonoMethodVar *v2 = (MonoMethodVar*)b;
1123 else if (v1->interval->range && v2->interval->range)
1124 return v1->interval->range->from - v2->interval->range->from;
1125 else if (v1->interval->range)
1132 #define LSCAN_DEBUG(a) do { a; } while (0)
1134 #define LSCAN_DEBUG(a)
1138 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1140 int i, slot, offset, size;
1145 GList *vars = NULL, *l, *unhandled;
1146 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1149 gboolean reuse_slot;
1151 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1153 scalar_stack_slots = (StackSlotInfo *)mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1154 vtype_stack_slots = NULL;
1157 offsets = (gint32 *)mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1158 for (i = 0; i < cfg->num_varinfo; ++i)
1161 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1162 inst = cfg->varinfo [i];
1163 vmv = MONO_VARINFO (cfg, i);
1165 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1168 vars = g_list_prepend (vars, vmv);
1171 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1176 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1177 MonoMethodVar *current = unhandled->data;
1179 if (current->interval->range) {
1180 g_assert (current->interval->range->from >= i);
1181 i = current->interval->range->from;
1188 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1189 MonoMethodVar *current = (MonoMethodVar *)unhandled->data;
1192 inst = cfg->varinfo [vmv->idx];
1194 t = mono_type_get_underlying_type (inst->inst_vtype);
1195 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (t))
1198 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1199 * pinvoke wrappers when they call functions returning structures */
1200 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1201 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1206 size = mini_type_stack_size (t, &ialign);
1209 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1214 if (cfg->disable_reuse_stack_slots)
1217 t = mini_get_underlying_type (t);
1219 case MONO_TYPE_GENERICINST:
1220 if (!mono_type_generic_inst_is_valuetype (t)) {
1221 slot_info = &scalar_stack_slots [t->type];
1225 case MONO_TYPE_VALUETYPE:
1226 if (!vtype_stack_slots)
1227 vtype_stack_slots = (StackSlotInfo *)mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1228 for (i = 0; i < nvtypes; ++i)
1229 if (t->data.klass == vtype_stack_slots [i].vtype)
1232 slot_info = &vtype_stack_slots [i];
1234 g_assert (nvtypes < 256);
1235 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1236 slot_info = &vtype_stack_slots [nvtypes];
1239 if (cfg->disable_reuse_ref_stack_slots)
1246 #if SIZEOF_VOID_P == 4
1251 if (cfg->disable_ref_noref_stack_slot_share) {
1252 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1257 case MONO_TYPE_CLASS:
1258 case MONO_TYPE_OBJECT:
1259 case MONO_TYPE_ARRAY:
1260 case MONO_TYPE_SZARRAY:
1261 case MONO_TYPE_STRING:
1262 /* Share non-float stack slots of the same size */
1263 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1264 if (cfg->disable_reuse_ref_stack_slots)
1269 slot_info = &scalar_stack_slots [t->type];
1273 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1277 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1279 if (!current->interval->range) {
1280 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1284 inst->flags |= MONO_INST_IS_DEAD;
1289 pos = current->interval->range->from;
1291 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1292 if (current->interval->range)
1293 LSCAN_DEBUG (mono_linterval_print (current->interval));
1294 LSCAN_DEBUG (printf ("\n"));
1296 /* Check for intervals in active which expired or inactive */
1298 /* FIXME: Optimize this */
1301 for (l = slot_info->active; l != NULL; l = l->next) {
1302 MonoMethodVar *v = (MonoMethodVar*)l->data;
1304 if (v->interval->last_range->to < pos) {
1305 slot_info->active = g_list_delete_link (slot_info->active, l);
1306 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1307 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1311 else if (!mono_linterval_covers (v->interval, pos)) {
1312 slot_info->inactive = g_list_append (slot_info->inactive, v);
1313 slot_info->active = g_list_delete_link (slot_info->active, l);
1314 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1321 /* Check for intervals in inactive which expired or active */
1323 /* FIXME: Optimize this */
1326 for (l = slot_info->inactive; l != NULL; l = l->next) {
1327 MonoMethodVar *v = (MonoMethodVar*)l->data;
1329 if (v->interval->last_range->to < pos) {
1330 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1331 // FIXME: Enabling this seems to cause impossible to debug crashes
1332 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1333 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1337 else if (mono_linterval_covers (v->interval, pos)) {
1338 slot_info->active = g_list_append (slot_info->active, v);
1339 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1340 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1348 * This also handles the case when the variable is used in an
1349 * exception region, as liveness info is not computed there.
1352 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1355 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1356 if (slot_info->slots) {
1357 slot = GPOINTER_TO_INT (slot_info->slots->data);
1359 slot_info->slots = slot_info->slots->next;
1362 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1364 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1370 static int count = 0;
1373 if (count == atoi (g_getenv ("COUNT3")))
1374 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1375 if (count > atoi (g_getenv ("COUNT3")))
1378 mono_print_ins (inst);
1383 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1385 if (inst->flags & MONO_INST_LMF) {
1386 size = sizeof (MonoLMF);
1387 align = sizeof (mgreg_t);
1394 if (slot == 0xffffff) {
1396 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1397 * efficient copying (and to work around the fact that OP_MEMCPY
1398 * and OP_MEMSET ignores alignment).
1400 if (MONO_TYPE_ISSTRUCT (t)) {
1401 align = MAX (align, sizeof (gpointer));
1402 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1407 offset += align - 1;
1408 offset &= ~(align - 1);
1412 offset += align - 1;
1413 offset &= ~(align - 1);
1418 if (*stack_align == 0)
1419 *stack_align = align;
1422 offsets [vmv->idx] = slot;
1425 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1426 if (scalar_stack_slots [i].active)
1427 g_list_free (scalar_stack_slots [i].active);
1429 for (i = 0; i < nvtypes; ++i) {
1430 if (vtype_stack_slots [i].active)
1431 g_list_free (vtype_stack_slots [i].active);
1434 cfg->stat_locals_stack_size += offset;
1436 *stack_size = offset;
1441 * mono_allocate_stack_slots:
1443 * Allocate stack slots for all non register allocated variables using a
1444 * linear scan algorithm.
1445 * Returns: an array of stack offsets.
1446 * STACK_SIZE is set to the amount of stack space needed.
1447 * STACK_ALIGN is set to the alignment needed by the locals area.
1450 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1452 int i, slot, offset, size;
1457 GList *vars = NULL, *l;
1458 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1461 gboolean reuse_slot;
1463 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1464 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
1466 scalar_stack_slots = (StackSlotInfo *)mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1467 vtype_stack_slots = NULL;
1470 offsets = (gint32 *)mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1471 for (i = 0; i < cfg->num_varinfo; ++i)
1474 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1475 inst = cfg->varinfo [i];
1476 vmv = MONO_VARINFO (cfg, i);
1478 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1481 vars = g_list_prepend (vars, vmv);
1484 vars = mono_varlist_sort (cfg, vars, 0);
1486 *stack_align = sizeof(mgreg_t);
1487 for (l = vars; l; l = l->next) {
1488 vmv = (MonoMethodVar *)l->data;
1489 inst = cfg->varinfo [vmv->idx];
1491 t = mono_type_get_underlying_type (inst->inst_vtype);
1492 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (t))
1495 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1496 * pinvoke wrappers when they call functions returning structures */
1497 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1498 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1502 size = mini_type_stack_size (t, &ialign);
1505 if (mono_class_has_failure (mono_class_from_mono_type (t)))
1506 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1508 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1513 if (cfg->disable_reuse_stack_slots)
1516 t = mini_get_underlying_type (t);
1518 case MONO_TYPE_GENERICINST:
1519 if (!mono_type_generic_inst_is_valuetype (t)) {
1520 slot_info = &scalar_stack_slots [t->type];
1524 case MONO_TYPE_VALUETYPE:
1525 if (!vtype_stack_slots)
1526 vtype_stack_slots = (StackSlotInfo *)mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1527 for (i = 0; i < nvtypes; ++i)
1528 if (t->data.klass == vtype_stack_slots [i].vtype)
1531 slot_info = &vtype_stack_slots [i];
1533 g_assert (nvtypes < 256);
1534 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1535 slot_info = &vtype_stack_slots [nvtypes];
1538 if (cfg->disable_reuse_ref_stack_slots)
1545 #if SIZEOF_VOID_P == 4
1550 if (cfg->disable_ref_noref_stack_slot_share) {
1551 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1556 case MONO_TYPE_CLASS:
1557 case MONO_TYPE_OBJECT:
1558 case MONO_TYPE_ARRAY:
1559 case MONO_TYPE_SZARRAY:
1560 case MONO_TYPE_STRING:
1561 /* Share non-float stack slots of the same size */
1562 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1563 if (cfg->disable_reuse_ref_stack_slots)
1567 case MONO_TYPE_MVAR:
1568 slot_info = &scalar_stack_slots [t->type];
1571 slot_info = &scalar_stack_slots [t->type];
1576 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1577 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1579 /* expire old intervals in active */
1580 while (slot_info->active) {
1581 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
1583 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
1586 //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);
1588 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
1589 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
1593 * This also handles the case when the variable is used in an
1594 * exception region, as liveness info is not computed there.
1597 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1600 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1601 if (slot_info->slots) {
1602 slot = GPOINTER_TO_INT (slot_info->slots->data);
1604 slot_info->slots = slot_info->slots->next;
1607 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1612 static int count = 0;
1616 if (count == atoi (g_getenv ("COUNT")))
1617 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1618 if (count > atoi (g_getenv ("COUNT")))
1621 mono_print_ins (inst);
1626 if (inst->flags & MONO_INST_LMF) {
1628 * This variable represents a MonoLMF structure, which has no corresponding
1629 * CLR type, so hard-code its size/alignment.
1631 size = sizeof (MonoLMF);
1632 align = sizeof (mgreg_t);
1639 if (slot == 0xffffff) {
1641 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1642 * efficient copying (and to work around the fact that OP_MEMCPY
1643 * and OP_MEMSET ignores alignment).
1645 if (MONO_TYPE_ISSTRUCT (t)) {
1646 align = MAX (align, sizeof (gpointer));
1647 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1649 * Align the size too so the code generated for passing vtypes in
1650 * registers doesn't overwrite random locals.
1652 size = (size + (align - 1)) & ~(align -1);
1657 offset += align - 1;
1658 offset &= ~(align - 1);
1662 offset += align - 1;
1663 offset &= ~(align - 1);
1668 *stack_align = MAX (*stack_align, align);
1671 offsets [vmv->idx] = slot;
1674 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1675 if (scalar_stack_slots [i].active)
1676 g_list_free (scalar_stack_slots [i].active);
1678 for (i = 0; i < nvtypes; ++i) {
1679 if (vtype_stack_slots [i].active)
1680 g_list_free (vtype_stack_slots [i].active);
1683 cfg->stat_locals_stack_size += offset;
1685 *stack_size = offset;
1689 #define EMUL_HIT_SHIFT 3
1690 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
1691 /* small hit bitmap cache */
1692 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
1693 static short emul_opcode_num = 0;
1694 static short emul_opcode_alloced = 0;
1695 static short *emul_opcode_opcodes;
1696 static MonoJitICallInfo **emul_opcode_map;
1699 mono_find_jit_opcode_emulation (int opcode)
1701 g_assert (opcode >= 0 && opcode <= OP_LAST);
1702 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
1704 for (i = 0; i < emul_opcode_num; ++i) {
1705 if (emul_opcode_opcodes [i] == opcode)
1706 return emul_opcode_map [i];
1713 mini_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
1715 MonoJitICallInfo *info;
1716 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
1718 g_assert (!sig->hasthis);
1719 g_assert (sig->param_count < 3);
1721 /* Opcode emulation functions are assumed to don't call mono_raise_exception () */
1722 info = mono_register_jit_icall_full (func, name, sig, no_throw, TRUE, symbol);
1724 if (emul_opcode_num >= emul_opcode_alloced) {
1725 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
1726 emul_opcode_alloced += incr;
1727 emul_opcode_map = (MonoJitICallInfo **)g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
1728 emul_opcode_opcodes = (short *)g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
1730 emul_opcode_map [emul_opcode_num] = info;
1731 emul_opcode_opcodes [emul_opcode_num] = opcode;
1733 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
1737 print_dfn (MonoCompile *cfg)
1745 char *method_name = mono_method_full_name (cfg->method, TRUE);
1746 g_print ("IR code for method %s\n", method_name);
1747 g_free (method_name);
1750 for (i = 0; i < cfg->num_bblocks; ++i) {
1751 bb = cfg->bblocks [i];
1752 /*if (bb->cil_code) {
1753 char* code1, *code2;
1754 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
1755 if (bb->last_ins->cil_code)
1756 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
1758 code2 = g_strdup ("");
1760 code1 [strlen (code1) - 1] = 0;
1761 code = g_strdup_printf ("%s -> %s", code1, code2);
1765 code = g_strdup ("\n");
1766 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
1767 MONO_BB_FOR_EACH_INS (bb, c) {
1768 mono_print_ins_index (-1, c);
1771 g_print ("\tprev:");
1772 for (j = 0; j < bb->in_count; ++j) {
1773 g_print (" BB%d", bb->in_bb [j]->block_num);
1775 g_print ("\t\tsucc:");
1776 for (j = 0; j < bb->out_count; ++j) {
1777 g_print (" BB%d", bb->out_bb [j]->block_num);
1779 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
1782 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
1785 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
1787 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
1795 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
1797 MONO_ADD_INS (bb, inst);
1801 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
1805 bb->code = ins_to_insert;
1807 /* Link with next */
1808 ins_to_insert->next = ins;
1810 ins->prev = ins_to_insert;
1812 if (bb->last_ins == NULL)
1813 bb->last_ins = ins_to_insert;
1815 /* Link with next */
1816 ins_to_insert->next = ins->next;
1818 ins->next->prev = ins_to_insert;
1820 /* Link with previous */
1821 ins->next = ins_to_insert;
1822 ins_to_insert->prev = ins;
1824 if (bb->last_ins == ins)
1825 bb->last_ins = ins_to_insert;
1830 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
1835 ins->prev = ins_to_insert;
1836 bb->code = ins_to_insert;
1837 ins_to_insert->next = ins;
1838 if (bb->last_ins == NULL)
1839 bb->last_ins = ins_to_insert;
1841 /* Link with previous */
1843 ins->prev->next = ins_to_insert;
1844 ins_to_insert->prev = ins->prev;
1846 /* Link with next */
1847 ins->prev = ins_to_insert;
1848 ins_to_insert->next = ins;
1850 if (bb->code == ins)
1851 bb->code = ins_to_insert;
1856 * mono_verify_bblock:
1858 * Verify that the next and prev pointers are consistent inside the instructions in BB.
1861 mono_verify_bblock (MonoBasicBlock *bb)
1863 MonoInst *ins, *prev;
1866 for (ins = bb->code; ins; ins = ins->next) {
1867 g_assert (ins->prev == prev);
1871 g_assert (!bb->last_ins->next);
1877 * Perform consistency checks on the JIT data structures and the IR
1880 mono_verify_cfg (MonoCompile *cfg)
1884 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
1885 mono_verify_bblock (bb);
1889 mono_destroy_compile (MonoCompile *cfg)
1894 mono_metadata_free_mh (cfg->header);
1895 //mono_mempool_stats (cfg->mempool);
1896 mono_free_loop_info (cfg);
1898 mono_regstate_free (cfg->rs);
1900 g_hash_table_destroy (cfg->spvars);
1902 g_hash_table_destroy (cfg->exvars);
1903 for (l = cfg->headers_to_free; l; l = l->next)
1904 mono_metadata_free_mh ((MonoMethodHeader *)l->data);
1905 g_list_free (cfg->ldstr_list);
1906 g_hash_table_destroy (cfg->token_info_hash);
1907 if (cfg->abs_patches)
1908 g_hash_table_destroy (cfg->abs_patches);
1909 mono_mempool_destroy (cfg->mempool);
1911 mono_debug_free_method (cfg);
1913 g_free (cfg->varinfo);
1915 g_free (cfg->exception_message);
1920 mono_create_tls_get_offset (MonoCompile *cfg, int offset)
1924 if (!cfg->backend->have_tls_get)
1930 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
1931 ins->dreg = mono_alloc_preg (cfg);
1932 ins->inst_offset = offset;
1937 mini_tls_get_supported (MonoCompile *cfg, MonoTlsKey key)
1939 if (!cfg->backend->have_tls_get)
1942 if (cfg->compile_aot)
1943 return cfg->backend->have_tls_get_reg;
1945 return mini_get_tls_offset (key) != -1;
1949 mono_create_tls_get (MonoCompile *cfg, MonoTlsKey key)
1951 if (!cfg->backend->have_tls_get)
1955 * TLS offsets might be different at AOT time, so load them from a GOT slot and
1956 * use a different opcode.
1958 if (cfg->compile_aot) {
1959 if (cfg->backend->have_tls_get_reg) {
1962 EMIT_NEW_TLS_OFFSETCONST (cfg, c, key);
1963 MONO_INST_NEW (cfg, ins, OP_TLS_GET_REG);
1964 ins->dreg = mono_alloc_preg (cfg);
1965 ins->sreg1 = c->dreg;
1972 return mono_create_tls_get_offset (cfg, mini_get_tls_offset (key));
1976 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
1978 return mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
1982 mono_get_domain_intrinsic (MonoCompile* cfg)
1984 return mono_create_tls_get (cfg, TLS_KEY_DOMAIN);
1988 mono_get_thread_intrinsic (MonoCompile* cfg)
1990 return mono_create_tls_get (cfg, TLS_KEY_THREAD);
1994 mono_get_lmf_intrinsic (MonoCompile* cfg)
1996 return mono_create_tls_get (cfg, TLS_KEY_LMF);
2000 mono_get_lmf_addr_intrinsic (MonoCompile* cfg)
2002 return mono_create_tls_get (cfg, TLS_KEY_LMF_ADDR);
2006 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2008 MonoJumpInfo *ji = (MonoJumpInfo *)mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
2012 ji->data.target = target;
2013 ji->next = cfg->patch_info;
2015 cfg->patch_info = ji;
2019 mono_add_patch_info_rel (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target, int relocation)
2021 MonoJumpInfo *ji = (MonoJumpInfo *)mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
2025 ji->relocation = relocation;
2026 ji->data.target = target;
2027 ji->next = cfg->patch_info;
2029 cfg->patch_info = ji;
2033 mono_remove_patch_info (MonoCompile *cfg, int ip)
2035 MonoJumpInfo **ji = &cfg->patch_info;
2038 if ((*ji)->ip.i == ip)
2041 ji = &((*ji)->next);
2046 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
2048 ins->inst_offset = native_offset;
2049 g_ptr_array_add (cfg->seq_points, ins);
2051 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
2052 bb->last_seq_point = ins;
2057 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
2059 MonoDwarfLocListEntry *entry = (MonoDwarfLocListEntry *)mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
2062 g_assert (offset == 0);
2064 entry->is_reg = is_reg;
2066 entry->offset = offset;
2070 if (var == cfg->args [0])
2071 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
2072 else if (var == cfg->rgctx_var)
2073 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
2077 mono_compile_create_vars (MonoCompile *cfg)
2079 MonoMethodSignature *sig;
2080 MonoMethodHeader *header;
2083 header = cfg->header;
2085 sig = mono_method_signature (cfg->method);
2087 if (!MONO_TYPE_IS_VOID (sig->ret)) {
2088 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
2089 /* Inhibit optimizations */
2090 cfg->ret->flags |= MONO_INST_VOLATILE;
2092 if (cfg->verbose_level > 2)
2093 g_print ("creating vars\n");
2095 cfg->args = (MonoInst **)mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
2098 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
2100 for (i = 0; i < sig->param_count; ++i) {
2101 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
2104 if (cfg->verbose_level > 2) {
2106 printf ("\treturn : ");
2107 mono_print_ins (cfg->ret);
2111 printf ("\tthis: ");
2112 mono_print_ins (cfg->args [0]);
2115 for (i = 0; i < sig->param_count; ++i) {
2116 printf ("\targ [%d]: ", i);
2117 mono_print_ins (cfg->args [i + sig->hasthis]);
2121 cfg->locals_start = cfg->num_varinfo;
2122 cfg->locals = (MonoInst **)mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
2124 if (cfg->verbose_level > 2)
2125 g_print ("creating locals\n");
2127 for (i = 0; i < header->num_locals; ++i)
2128 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
2130 if (cfg->verbose_level > 2)
2131 g_print ("locals done\n");
2134 if (COMPILE_LLVM (cfg))
2135 mono_llvm_create_vars (cfg);
2137 mono_arch_create_vars (cfg);
2139 mono_arch_create_vars (cfg);
2142 if (cfg->method->save_lmf && cfg->create_lmf_var) {
2143 MonoInst *lmf_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
2144 lmf_var->flags |= MONO_INST_VOLATILE;
2145 lmf_var->flags |= MONO_INST_LMF;
2146 cfg->lmf_var = lmf_var;
2151 mono_print_code (MonoCompile *cfg, const char* msg)
2155 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2156 mono_print_bb (bb, msg);
2160 mono_postprocess_patches (MonoCompile *cfg)
2162 MonoJumpInfo *patch_info;
2165 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
2166 switch (patch_info->type) {
2167 case MONO_PATCH_INFO_ABS: {
2168 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
2171 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
2175 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
2176 /* for these array methods we currently register the same function pointer
2177 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
2178 * will return the incorrect one depending on the order they are registered.
2179 * See tests/test-arr.cs
2181 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
2182 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
2183 patch_info->data.name = info->name;
2187 if (patch_info->type == MONO_PATCH_INFO_ABS) {
2188 if (cfg->abs_patches) {
2189 MonoJumpInfo *abs_ji = (MonoJumpInfo *)g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
2191 patch_info->type = abs_ji->type;
2192 patch_info->data.target = abs_ji->data.target;
2199 case MONO_PATCH_INFO_SWITCH: {
2201 #if defined(__native_client__) && defined(__native_client_codegen__)
2202 /* This memory will leak. */
2203 /* TODO: can we free this when */
2204 /* making the final jump table? */
2205 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
2207 if (cfg->method->dynamic) {
2208 table = (void **)mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2210 table = (void **)mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
2214 for (i = 0; i < patch_info->data.table->table_size; i++) {
2215 /* Might be NULL if the switch is eliminated */
2216 if (patch_info->data.table->table [i]) {
2217 g_assert (patch_info->data.table->table [i]->native_offset);
2218 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
2223 patch_info->data.table->table = (MonoBasicBlock**)table;
2226 case MONO_PATCH_INFO_METHOD_JUMP: {
2227 MonoJumpList *jlist;
2228 MonoDomain *domain = cfg->domain;
2229 unsigned char *ip = cfg->native_code + patch_info->ip.i;
2231 mono_domain_lock (domain);
2232 jlist = (MonoJumpList *)g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
2234 jlist = (MonoJumpList *)mono_domain_alloc0 (domain, sizeof (MonoJumpList));
2235 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
2237 jlist->list = g_slist_prepend (jlist->list, ip);
2238 mono_domain_unlock (domain);
2249 mono_codegen (MonoCompile *cfg)
2252 int max_epilog_size;
2254 MonoDomain *code_domain;
2255 guint unwindlen = 0;
2257 if (mono_using_xdebug)
2259 * Recent gdb versions have trouble processing symbol files containing
2260 * overlapping address ranges, so allocate all code from the code manager
2261 * of the root domain. (#666152).
2263 code_domain = mono_get_root_domain ();
2265 code_domain = cfg->domain;
2267 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
2268 cfg->spill_count = 0;
2269 /* we reuse dfn here */
2270 /* bb->dfn = bb_count++; */
2272 mono_arch_lowering_pass (cfg, bb);
2274 if (cfg->opt & MONO_OPT_PEEPHOLE)
2275 mono_arch_peephole_pass_1 (cfg, bb);
2277 mono_local_regalloc (cfg, bb);
2279 if (cfg->opt & MONO_OPT_PEEPHOLE)
2280 mono_arch_peephole_pass_2 (cfg, bb);
2282 if (cfg->gen_seq_points && !cfg->gen_sdb_seq_points)
2283 mono_bb_deduplicate_op_il_seq_points (cfg, bb);
2286 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
2287 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
2289 code = mono_arch_emit_prolog (cfg);
2291 cfg->code_len = code - cfg->native_code;
2292 cfg->prolog_end = cfg->code_len;
2293 cfg->cfa_reg = cfg->cur_cfa_reg;
2294 cfg->cfa_offset = cfg->cur_cfa_offset;
2296 mono_debug_open_method (cfg);
2298 /* emit code all basic blocks */
2299 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
2300 bb->native_offset = cfg->code_len;
2301 bb->real_native_offset = cfg->code_len;
2302 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
2303 mono_arch_output_basic_block (cfg, bb);
2304 bb->native_length = cfg->code_len - bb->native_offset;
2306 if (bb == cfg->bb_exit) {
2307 cfg->epilog_begin = cfg->code_len;
2308 mono_arch_emit_epilog (cfg);
2309 cfg->epilog_end = cfg->code_len;
2313 mono_arch_emit_exceptions (cfg);
2315 max_epilog_size = 0;
2317 /* we always allocate code in cfg->domain->code_mp to increase locality */
2318 cfg->code_size = cfg->code_len + max_epilog_size;
2320 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
2322 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
2323 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
2326 if (cfg->method->dynamic) {
2327 /* Allocate the code into a separate memory pool so it can be freed */
2328 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
2329 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
2330 mono_domain_lock (cfg->domain);
2331 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
2332 mono_domain_unlock (cfg->domain);
2334 if (mono_using_xdebug)
2335 /* See the comment for cfg->code_domain */
2336 code = (guint8 *)mono_domain_code_reserve (code_domain, cfg->code_size + cfg->thunk_area + unwindlen);
2338 code = (guint8 *)mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + cfg->thunk_area + unwindlen);
2340 code = (guint8 *)mono_domain_code_reserve (code_domain, cfg->code_size + cfg->thunk_area + unwindlen);
2343 if (cfg->thunk_area) {
2344 cfg->thunks_offset = cfg->code_size + unwindlen;
2345 cfg->thunks = code + cfg->thunks_offset;
2346 memset (cfg->thunks, 0, cfg->thunk_area);
2350 memcpy (code, cfg->native_code, cfg->code_len);
2351 g_free (cfg->native_code);
2352 cfg->native_code = code;
2353 code = cfg->native_code + cfg->code_len;
2355 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
2356 mono_postprocess_patches (cfg);
2358 #ifdef VALGRIND_JIT_REGISTER_MAP
2359 if (valgrind_register){
2360 char* nm = mono_method_full_name (cfg->method, TRUE);
2361 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
2366 if (cfg->verbose_level > 0) {
2367 char* nm = mono_method_get_full_name (cfg->method);
2368 char *opt_descr = mono_opt_descr (cfg->opt);
2369 g_print ("Method %s emitted at %p to %p (code length %d) [%s] with opts %s\n",
2371 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name,
2378 gboolean is_generic = FALSE;
2380 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
2381 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
2386 g_assert (is_generic);
2389 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
2390 mono_arch_save_unwind_info (cfg);
2393 #ifdef MONO_ARCH_HAVE_PATCH_CODE_NEW
2398 for (ji = cfg->patch_info; ji; ji = ji->next) {
2399 if (cfg->compile_aot) {
2401 case MONO_PATCH_INFO_BB:
2402 case MONO_PATCH_INFO_LABEL:
2405 /* No need to patch these */
2410 if (ji->type == MONO_PATCH_INFO_NONE)
2413 target = mono_resolve_patch_target (cfg->method, cfg->domain, cfg->native_code, ji, cfg->run_cctors, &cfg->error);
2414 if (!mono_error_ok (&cfg->error)) {
2415 mono_cfg_set_exception (cfg, MONO_EXCEPTION_MONO_ERROR);
2418 mono_arch_patch_code_new (cfg, cfg->domain, cfg->native_code, ji, target);
2422 mono_arch_patch_code (cfg, cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->run_cctors, &cfg->error);
2423 if (!is_ok (&cfg->error)) {
2424 mono_cfg_set_exception (cfg, MONO_EXCEPTION_MONO_ERROR);
2429 if (cfg->method->dynamic) {
2430 if (mono_using_xdebug)
2431 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
2433 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
2435 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
2437 #if defined(__native_client_codegen__) && defined(__native_client__)
2438 cfg->native_code = code_dest;
2440 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
2442 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
2444 mono_debug_close_method (cfg);
2446 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
2447 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
2452 compute_reachable (MonoBasicBlock *bb)
2456 if (!(bb->flags & BB_VISITED)) {
2457 bb->flags |= BB_VISITED;
2458 for (i = 0; i < bb->out_count; ++i)
2459 compute_reachable (bb->out_bb [i]);
2463 static void mono_bb_ordering (MonoCompile *cfg)
2466 /* Depth-first ordering on basic blocks */
2467 cfg->bblocks = (MonoBasicBlock **)mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
2469 cfg->max_block_num = cfg->num_bblocks;
2471 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
2472 if (cfg->num_bblocks != dfn + 1) {
2475 cfg->num_bblocks = dfn + 1;
2477 /* remove unreachable code, because the code in them may be
2478 * inconsistent (access to dead variables for example) */
2479 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2480 bb->flags &= ~BB_VISITED;
2481 compute_reachable (cfg->bb_entry);
2482 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2483 if (bb->flags & BB_EXCEPTION_HANDLER)
2484 compute_reachable (bb);
2485 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
2486 if (!(bb->flags & BB_VISITED)) {
2487 if (cfg->verbose_level > 1)
2488 g_print ("found unreachable code in BB%d\n", bb->block_num);
2489 bb->code = bb->last_ins = NULL;
2490 while (bb->out_count)
2491 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
2494 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2495 bb->flags &= ~BB_VISITED;
2500 mono_handle_out_of_line_bblock (MonoCompile *cfg)
2503 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
2504 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
2506 MONO_INST_NEW (cfg, ins, OP_BR);
2507 MONO_ADD_INS (bb, ins);
2508 ins->inst_target_bb = bb->next_bb;
2514 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
2517 MonoMethodHeader *header;
2519 MonoJitInfoFlags flags = JIT_INFO_NONE;
2520 int num_clauses, num_holes = 0;
2521 guint32 stack_size = 0;
2523 g_assert (method_to_compile == cfg->method);
2524 header = cfg->header;
2527 flags = (MonoJitInfoFlags)(flags | JIT_INFO_HAS_GENERIC_JIT_INFO);
2529 if (cfg->arch_eh_jit_info) {
2530 MonoJitArgumentInfo *arg_info;
2531 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
2534 * This cannot be computed during stack walking, as
2535 * mono_arch_get_argument_info () is not signal safe.
2537 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
2538 stack_size = mono_arch_get_argument_info (sig, sig->param_count, arg_info);
2541 flags = (MonoJitInfoFlags)(flags | JIT_INFO_HAS_ARCH_EH_INFO);
2544 if (cfg->has_unwind_info_for_epilog && !(flags & JIT_INFO_HAS_ARCH_EH_INFO))
2545 flags = (MonoJitInfoFlags)(flags | JIT_INFO_HAS_ARCH_EH_INFO);
2547 if (cfg->thunk_area)
2548 flags = (MonoJitInfoFlags)(flags | JIT_INFO_HAS_THUNK_INFO);
2550 if (cfg->try_block_holes) {
2551 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
2552 TryBlockHole *hole = (TryBlockHole *)tmp->data;
2553 MonoExceptionClause *ec = hole->clause;
2554 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
2555 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
2556 g_assert (clause_last_bb);
2558 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
2559 if (clause_last_bb->native_offset != hole_end)
2563 flags = (MonoJitInfoFlags)(flags | JIT_INFO_HAS_TRY_BLOCK_HOLES);
2564 if (G_UNLIKELY (cfg->verbose_level >= 4))
2565 printf ("Number of try block holes %d\n", num_holes);
2568 if (COMPILE_LLVM (cfg))
2569 num_clauses = cfg->llvm_ex_info_len;
2571 num_clauses = header->num_clauses;
2573 if (cfg->method->dynamic)
2574 jinfo = (MonoJitInfo *)g_malloc0 (mono_jit_info_size (flags, num_clauses, num_holes));
2576 jinfo = (MonoJitInfo *)mono_domain_alloc0 (cfg->domain, mono_jit_info_size (flags, num_clauses, num_holes));
2577 mono_jit_info_init (jinfo, cfg->method_to_register, cfg->native_code, cfg->code_len, flags, num_clauses, num_holes);
2578 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
2580 if (COMPILE_LLVM (cfg))
2581 jinfo->from_llvm = TRUE;
2585 MonoGenericJitInfo *gi;
2586 GSList *loclist = NULL;
2588 gi = mono_jit_info_get_generic_jit_info (jinfo);
2591 if (cfg->method->dynamic)
2592 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
2594 gi->generic_sharing_context = (MonoGenericSharingContext *)mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
2595 mini_init_gsctx (cfg->method->dynamic ? NULL : cfg->domain, NULL, cfg->gsctx_context, gi->generic_sharing_context);
2597 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
2598 mini_method_get_context (method_to_compile)->method_inst ||
2599 method_to_compile->klass->valuetype) {
2600 g_assert (cfg->rgctx_var);
2605 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
2606 mini_method_get_context (method_to_compile)->method_inst ||
2607 method_to_compile->klass->valuetype) {
2608 inst = cfg->rgctx_var;
2609 if (!COMPILE_LLVM (cfg))
2610 g_assert (inst->opcode == OP_REGOFFSET);
2611 loclist = cfg->rgctx_loclist;
2613 inst = cfg->args [0];
2614 loclist = cfg->this_loclist;
2618 /* Needed to handle async exceptions */
2622 gi->nlocs = g_slist_length (loclist);
2623 if (cfg->method->dynamic)
2624 gi->locations = (MonoDwarfLocListEntry *)g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
2626 gi->locations = (MonoDwarfLocListEntry *)mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
2628 for (l = loclist; l; l = l->next) {
2629 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
2634 if (COMPILE_LLVM (cfg)) {
2635 g_assert (cfg->llvm_this_reg != -1);
2636 gi->this_in_reg = 0;
2637 gi->this_reg = cfg->llvm_this_reg;
2638 gi->this_offset = cfg->llvm_this_offset;
2639 } else if (inst->opcode == OP_REGVAR) {
2640 gi->this_in_reg = 1;
2641 gi->this_reg = inst->dreg;
2643 g_assert (inst->opcode == OP_REGOFFSET);
2645 g_assert (inst->inst_basereg == X86_EBP);
2646 #elif defined(TARGET_AMD64)
2647 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
2649 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
2651 gi->this_in_reg = 0;
2652 gi->this_reg = inst->inst_basereg;
2653 gi->this_offset = inst->inst_offset;
2658 MonoTryBlockHoleTableJitInfo *table;
2661 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
2662 table->num_holes = (guint16)num_holes;
2664 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
2665 guint32 start_bb_offset;
2666 MonoTryBlockHoleJitInfo *hole;
2667 TryBlockHole *hole_data = (TryBlockHole *)tmp->data;
2668 MonoExceptionClause *ec = hole_data->clause;
2669 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
2670 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
2671 g_assert (clause_last_bb);
2673 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
2674 if (clause_last_bb->native_offset == hole_end)
2677 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
2678 hole = &table->holes [i++];
2679 hole->clause = hole_data->clause - &header->clauses [0];
2680 hole->offset = (guint32)hole_data->start_offset;
2681 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
2683 if (G_UNLIKELY (cfg->verbose_level >= 4))
2684 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
2686 g_assert (i == num_holes);
2689 if (jinfo->has_arch_eh_info) {
2690 MonoArchEHJitInfo *info;
2692 info = mono_jit_info_get_arch_eh_info (jinfo);
2694 info->stack_size = stack_size;
2697 if (cfg->thunk_area) {
2698 MonoThunkJitInfo *info;
2700 info = mono_jit_info_get_thunk_info (jinfo);
2701 info->thunks_offset = cfg->thunks_offset;
2702 info->thunks_size = cfg->thunk_area;
2705 if (COMPILE_LLVM (cfg)) {
2707 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
2708 } else if (header->num_clauses) {
2711 for (i = 0; i < header->num_clauses; i++) {
2712 MonoExceptionClause *ec = &header->clauses [i];
2713 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
2714 MonoBasicBlock *tblock;
2715 MonoInst *exvar, *spvar;
2717 ei->flags = ec->flags;
2719 if (G_UNLIKELY (cfg->verbose_level >= 4))
2720 printf ("IL clause: try 0x%x-0x%x handler 0x%x-0x%x filter 0x%x\n", ec->try_offset, ec->try_offset + ec->try_len, ec->handler_offset, ec->handler_offset + ec->handler_len, ec->flags == MONO_EXCEPTION_CLAUSE_FILTER ? ec->data.filter_offset : 0);
2723 * The spvars are needed by mono_arch_install_handler_block_guard ().
2725 if (ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
2728 region = ((i + 1) << 8) | MONO_REGION_FINALLY | ec->flags;
2729 spvar = mono_find_spvar_for_region (cfg, region);
2731 ei->exvar_offset = spvar->inst_offset;
2733 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
2734 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
2737 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
2738 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
2740 ei->data.filter = cfg->native_code + tblock->native_offset;
2742 ei->data.catch_class = ec->data.catch_class;
2745 tblock = cfg->cil_offset_to_bb [ec->try_offset];
2747 g_assert (tblock->native_offset);
2748 ei->try_start = cfg->native_code + tblock->native_offset;
2749 if (tblock->extend_try_block) {
2751 * Extend the try block backwards to include parts of the previous call
2754 ei->try_start = (guint8*)ei->try_start - cfg->backend->monitor_enter_adjustment;
2756 if (ec->try_offset + ec->try_len < header->code_size)
2757 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
2759 tblock = cfg->bb_exit;
2760 if (G_UNLIKELY (cfg->verbose_level >= 4))
2761 printf ("looking for end of try [%d, %d] -> %p (code size %d)\n", ec->try_offset, ec->try_len, tblock, header->code_size);
2763 if (!tblock->native_offset) {
2765 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
2766 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
2767 if (bb && bb->native_offset) {
2773 ei->try_end = cfg->native_code + tblock->native_offset;
2774 g_assert (tblock->native_offset);
2775 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
2777 ei->handler_start = cfg->native_code + tblock->native_offset;
2779 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
2780 TryBlockHole *hole = (TryBlockHole *)tmp->data;
2781 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
2782 if (hole->clause == ec && hole_end == ei->try_end) {
2783 if (G_UNLIKELY (cfg->verbose_level >= 4))
2784 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
2786 ei->try_end = cfg->native_code + hole->start_offset;
2791 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
2793 if (ec->handler_offset + ec->handler_len < header->code_size) {
2794 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
2795 if (tblock->native_offset) {
2796 end_offset = tblock->native_offset;
2800 for (j = ec->handler_offset + ec->handler_len, end = ec->handler_offset; j >= end; --j) {
2801 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
2802 if (bb && bb->native_offset) {
2807 end_offset = tblock->native_offset + tblock->native_length;
2810 end_offset = cfg->epilog_begin;
2812 ei->data.handler_end = cfg->native_code + end_offset;
2817 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
2819 for (i = 0; i < jinfo->num_clauses; i++) {
2820 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
2821 int start = (guint8*)ei->try_start - cfg->native_code;
2822 int end = (guint8*)ei->try_end - cfg->native_code;
2823 int handler = (guint8*)ei->handler_start - cfg->native_code;
2824 int handler_end = (guint8*)ei->data.handler_end - cfg->native_code;
2826 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x-%x\n", i, ei->flags, start, end, handler, handler_end);
2830 if (cfg->encoded_unwind_ops) {
2831 /* Generated by LLVM */
2832 jinfo->unwind_info = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
2833 g_free (cfg->encoded_unwind_ops);
2834 } else if (cfg->unwind_ops) {
2836 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
2837 guint32 unwind_desc;
2839 unwind_desc = mono_cache_unwind_info (unwind_info, info_len);
2841 if (cfg->has_unwind_info_for_epilog) {
2842 MonoArchEHJitInfo *info;
2844 info = mono_jit_info_get_arch_eh_info (jinfo);
2846 info->epilog_size = cfg->code_len - cfg->epilog_begin;
2848 jinfo->unwind_info = unwind_desc;
2849 g_free (unwind_info);
2851 jinfo->unwind_info = cfg->used_int_regs;
2857 /* Return whenever METHOD is a gsharedvt method */
2859 is_gsharedvt_method (MonoMethod *method)
2861 MonoGenericContext *context;
2862 MonoGenericInst *inst;
2865 if (!method->is_inflated)
2867 context = mono_method_get_context (method);
2868 inst = context->class_inst;
2870 for (i = 0; i < inst->type_argc; ++i)
2871 if (mini_is_gsharedvt_gparam (inst->type_argv [i]))
2874 inst = context->method_inst;
2876 for (i = 0; i < inst->type_argc; ++i)
2877 if (mini_is_gsharedvt_gparam (inst->type_argv [i]))
2884 is_open_method (MonoMethod *method)
2886 MonoGenericContext *context;
2888 if (!method->is_inflated)
2890 context = mono_method_get_context (method);
2891 if (context->class_inst && context->class_inst->is_open)
2893 if (context->method_inst && context->method_inst->is_open)
2899 mono_create_gc_safepoint (MonoCompile *cfg, MonoBasicBlock *bblock)
2901 MonoInst *poll_addr, *ins;
2903 if (cfg->disable_gc_safe_points)
2906 if (cfg->verbose_level > 1)
2907 printf ("ADDING SAFE POINT TO BB %d\n", bblock->block_num);
2909 #if defined(__native_client_codegen__)
2910 NEW_AOTCONST (cfg, poll_addr, MONO_PATCH_INFO_GC_SAFE_POINT_FLAG, (gpointer)&__nacl_thread_suspension_needed);
2912 g_assert (mono_threads_is_coop_enabled ());
2913 NEW_AOTCONST (cfg, poll_addr, MONO_PATCH_INFO_GC_SAFE_POINT_FLAG, (gpointer)&mono_polling_required);
2916 MONO_INST_NEW (cfg, ins, OP_GC_SAFE_POINT);
2917 ins->sreg1 = poll_addr->dreg;
2919 if (bblock->flags & BB_EXCEPTION_HANDLER) {
2920 MonoInst *eh_op = bblock->code;
2922 if (eh_op && eh_op->opcode != OP_START_HANDLER && eh_op->opcode != OP_GET_EX_OBJ) {
2925 MonoInst *next_eh_op = eh_op ? eh_op->next : NULL;
2926 // skip all EH relateds ops
2927 while (next_eh_op && (next_eh_op->opcode == OP_START_HANDLER || next_eh_op->opcode == OP_GET_EX_OBJ)) {
2929 next_eh_op = eh_op->next;
2933 mono_bblock_insert_after_ins (bblock, eh_op, poll_addr);
2934 mono_bblock_insert_after_ins (bblock, poll_addr, ins);
2935 } else if (bblock == cfg->bb_entry) {
2936 mono_bblock_insert_after_ins (bblock, bblock->last_ins, poll_addr);
2937 mono_bblock_insert_after_ins (bblock, poll_addr, ins);
2940 mono_bblock_insert_before_ins (bblock, NULL, poll_addr);
2941 mono_bblock_insert_after_ins (bblock, poll_addr, ins);
2946 This code inserts safepoints into managed code at important code paths.
2949 -the first basic block
2950 -landing BB for exception handlers
2955 mono_insert_safepoints (MonoCompile *cfg)
2959 #if !defined(__native_client_codegen__)
2960 if (!mono_threads_is_coop_enabled ())
2964 if (cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
2965 WrapperInfo *info = mono_marshal_get_wrapper_info (cfg->method);
2966 #if defined(__native_client__) || defined(__native_client_codegen__)
2967 gpointer poll_func = &mono_nacl_gc;
2969 g_assert (mono_threads_is_coop_enabled ());
2970 gpointer poll_func = &mono_threads_state_poll;
2973 if (info && info->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER && info->d.icall.func == poll_func) {
2974 if (cfg->verbose_level > 1)
2975 printf ("SKIPPING SAFEPOINTS for the polling function icall\n");
2980 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
2981 if (cfg->verbose_level > 1)
2982 printf ("SKIPPING SAFEPOINTS for native-to-managed wrappers.\n");
2986 if (cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
2987 WrapperInfo *info = mono_marshal_get_wrapper_info (cfg->method);
2989 if (info && info->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER &&
2990 (info->d.icall.func == mono_thread_interruption_checkpoint ||
2991 info->d.icall.func == mono_threads_exit_gc_safe_region_unbalanced)) {
2992 /* These wrappers are called from the wrapper for the polling function, leading to potential stack overflow */
2993 if (cfg->verbose_level > 1)
2994 printf ("SKIPPING SAFEPOINTS for wrapper %s\n", cfg->method->name);
2999 if (cfg->verbose_level > 1)
3000 printf ("INSERTING SAFEPOINTS\n");
3001 if (cfg->verbose_level > 2)
3002 mono_print_code (cfg, "BEFORE SAFEPOINTS");
3004 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3005 if (bb->loop_body_start || bb == cfg->bb_entry || bb->flags & BB_EXCEPTION_HANDLER)
3006 mono_create_gc_safepoint (cfg, bb);
3009 if (cfg->verbose_level > 2)
3010 mono_print_code (cfg, "AFTER SAFEPOINTS");
3016 mono_insert_branches_between_bblocks (MonoCompile *cfg)
3020 /* Add branches between non-consecutive bblocks */
3021 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3022 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
3023 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
3024 /* we are careful when inverting, since bugs like #59580
3025 * could show up when dealing with NaNs.
3027 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
3028 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
3029 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
3030 bb->last_ins->inst_false_bb = tmp;
3032 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
3034 MonoInst *inst = (MonoInst *)mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
3035 inst->opcode = OP_BR;
3036 inst->inst_target_bb = bb->last_ins->inst_false_bb;
3037 mono_bblock_add_inst (bb, inst);
3042 if (cfg->verbose_level >= 4) {
3043 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3044 MonoInst *tree = bb->code;
3045 g_print ("DUMP BLOCK %d:\n", bb->block_num);
3048 for (; tree; tree = tree->next) {
3049 mono_print_ins_index (-1, tree);
3055 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3056 bb->max_vreg = cfg->next_vreg;
3061 init_backend (MonoBackend *backend)
3063 #ifdef MONO_ARCH_NEED_GOT_VAR
3064 backend->need_got_var = 1;
3066 #ifdef MONO_ARCH_HAVE_CARD_TABLE_WBARRIER
3067 backend->have_card_table_wb = 1;
3069 #ifdef MONO_ARCH_HAVE_OP_GENERIC_CLASS_INIT
3070 backend->have_op_generic_class_init = 1;
3072 #ifdef MONO_ARCH_EMULATE_MUL_DIV
3073 backend->emulate_mul_div = 1;
3075 #ifdef MONO_ARCH_EMULATE_DIV
3076 backend->emulate_div = 1;
3078 #if !defined(MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS)
3079 backend->emulate_long_shift_opts = 1;
3081 #ifdef MONO_ARCH_HAVE_OBJC_GET_SELECTOR
3082 backend->have_objc_get_selector = 1;
3084 #ifdef MONO_ARCH_HAVE_GENERALIZED_IMT_THUNK
3085 backend->have_generalized_imt_thunk = 1;
3087 #ifdef MONO_ARCH_GSHARED_SUPPORTED
3088 backend->gshared_supported = 1;
3090 if (MONO_ARCH_HAVE_TLS_GET)
3091 backend->have_tls_get = 1;
3092 #ifdef MONO_ARCH_HAVE_TLS_GET_REG
3093 backend->have_tls_get_reg = 1;
3095 if (MONO_ARCH_USE_FPSTACK)
3096 backend->use_fpstack = 1;
3097 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
3098 backend->have_liverange_ops = 1;
3100 #ifdef MONO_ARCH_HAVE_OP_TAIL_CALL
3101 backend->have_op_tail_call = 1;
3103 #ifndef MONO_ARCH_MONITOR_ENTER_ADJUSTMENT
3104 backend->monitor_enter_adjustment = 1;
3106 backend->monitor_enter_adjustment = MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
3108 #if defined(__mono_ilp32__)
3111 #ifdef MONO_ARCH_HAVE_DUMMY_INIT
3112 backend->have_dummy_init = 1;
3114 #ifdef MONO_ARCH_NEED_DIV_CHECK
3115 backend->need_div_check = 1;
3117 #ifdef NO_UNALIGNED_ACCESS
3118 backend->no_unaligned_access = 1;
3120 #ifdef MONO_ARCH_DYN_CALL_PARAM_AREA
3121 backend->dyn_call_param_area = MONO_ARCH_DYN_CALL_PARAM_AREA;
3126 * mini_method_compile:
3127 * @method: the method to compile
3128 * @opts: the optimization flags to use
3129 * @domain: the domain where the method will be compiled in
3130 * @flags: compilation flags
3131 * @parts: debug flag
3133 * Returns: a MonoCompile* pointer. Caller must check the exception_type
3134 * field in the returned struct to see if compilation succeded.
3137 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts, int aot_method_index)
3139 MonoMethodHeader *header;
3140 MonoMethodSignature *sig;
3143 int i, code_size_ratio;
3144 gboolean try_generic_shared, try_llvm = FALSE;
3145 MonoMethod *method_to_compile, *method_to_register;
3146 gboolean method_is_gshared = FALSE;
3147 gboolean run_cctors = (flags & JIT_FLAG_RUN_CCTORS) ? 1 : 0;
3148 gboolean compile_aot = (flags & JIT_FLAG_AOT) ? 1 : 0;
3149 gboolean full_aot = (flags & JIT_FLAG_FULL_AOT) ? 1 : 0;
3150 gboolean disable_direct_icalls = (flags & JIT_FLAG_NO_DIRECT_ICALLS) ? 1 : 0;
3151 gboolean gsharedvt_method = FALSE;
3153 gboolean llvm = (flags & JIT_FLAG_LLVM) ? 1 : 0;
3155 static gboolean verbose_method_inited;
3156 static const char *verbose_method_name;
3158 InterlockedIncrement (&mono_jit_stats.methods_compiled);
3159 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
3160 mono_profiler_method_jit (method);
3161 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
3162 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
3164 gsharedvt_method = is_gsharedvt_method (method);
3167 * In AOT mode, method can be the following:
3168 * - a gsharedvt method.
3169 * - a method inflated with type parameters. This is for ref/partial sharing.
3170 * - a method inflated with concrete types.
3173 if (is_open_method (method)) {
3174 try_generic_shared = TRUE;
3175 method_is_gshared = TRUE;
3177 try_generic_shared = FALSE;
3179 g_assert (opts & MONO_OPT_GSHARED);
3181 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3182 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE);
3183 if (mini_is_gsharedvt_sharable_method (method)) {
3185 if (!mono_debug_count ())
3186 try_generic_shared = FALSE;
3192 if (try_generic_shared && !mono_debug_count ())
3193 try_generic_shared = FALSE;
3196 if (opts & MONO_OPT_GSHARED) {
3197 if (try_generic_shared)
3198 mono_stats.generics_sharable_methods++;
3199 else if (mono_method_is_generic_impl (method))
3200 mono_stats.generics_unsharable_methods++;
3204 try_llvm = mono_use_llvm || llvm;
3208 if (method_is_gshared) {
3209 method_to_compile = method;
3211 if (try_generic_shared) {
3212 method_to_compile = mini_get_shared_method (method);
3213 g_assert (method_to_compile);
3215 method_to_compile = method;
3219 cfg = g_new0 (MonoCompile, 1);
3220 cfg->method = method_to_compile;
3221 cfg->mempool = mono_mempool_new ();
3223 cfg->prof_options = mono_profiler_get_events ();
3224 cfg->run_cctors = run_cctors;
3225 cfg->domain = domain;
3226 cfg->verbose_level = mini_verbose;
3227 cfg->compile_aot = compile_aot;
3228 cfg->full_aot = full_aot;
3229 cfg->disable_omit_fp = debug_options.disable_omit_fp;
3230 cfg->skip_visibility = method->skip_visibility;
3231 cfg->orig_method = method;
3232 cfg->gen_seq_points = debug_options.gen_seq_points_compact_data || debug_options.gen_sdb_seq_points;
3233 cfg->gen_sdb_seq_points = debug_options.gen_sdb_seq_points;
3234 cfg->llvm_only = (flags & JIT_FLAG_LLVM_ONLY) != 0;
3235 cfg->backend = current_backend;
3237 #ifdef PLATFORM_ANDROID
3238 if (cfg->method->wrapper_type != MONO_WRAPPER_NONE) {
3239 /* FIXME: Why is this needed */
3240 cfg->gen_seq_points = FALSE;
3241 cfg->gen_sdb_seq_points = FALSE;
3244 /* coop / nacl requires loop detection to happen */
3245 #if defined(__native_client_codegen__)
3246 cfg->opt |= MONO_OPT_LOOP;
3248 if (mono_threads_is_coop_enabled ())
3249 cfg->opt |= MONO_OPT_LOOP;
3251 cfg->explicit_null_checks = debug_options.explicit_null_checks || (flags & JIT_FLAG_EXPLICIT_NULL_CHECKS);
3252 cfg->soft_breakpoints = debug_options.soft_breakpoints;
3253 cfg->check_pinvoke_callconv = debug_options.check_pinvoke_callconv;
3254 cfg->disable_direct_icalls = disable_direct_icalls;
3255 if (try_generic_shared)
3256 cfg->gshared = TRUE;
3257 cfg->compile_llvm = try_llvm;
3258 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
3259 if (cfg->compile_aot)
3260 cfg->method_index = aot_method_index;
3263 if (!mono_debug_count ())
3264 cfg->opt &= ~MONO_OPT_FLOAT32;
3267 cfg->opt &= ~MONO_OPT_SIMD;
3268 cfg->r4fp = (cfg->opt & MONO_OPT_FLOAT32) ? 1 : 0;
3269 cfg->r4_stack_type = cfg->r4fp ? STACK_R4 : STACK_R8;
3271 if (cfg->gen_seq_points)
3272 cfg->seq_points = g_ptr_array_new ();
3273 mono_error_init (&cfg->error);
3275 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
3276 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
3280 if (cfg->gshared && (gsharedvt_method || mini_is_gsharedvt_sharable_method (method))) {
3281 MonoMethodInflated *inflated;
3282 MonoGenericContext *context;
3284 if (gsharedvt_method) {
3285 g_assert (method->is_inflated);
3286 inflated = (MonoMethodInflated*)method;
3287 context = &inflated->context;
3289 /* We are compiling a gsharedvt method directly */
3290 g_assert (compile_aot);
3292 g_assert (method_to_compile->is_inflated);
3293 inflated = (MonoMethodInflated*)method_to_compile;
3294 context = &inflated->context;
3297 mini_init_gsctx (NULL, cfg->mempool, context, &cfg->gsctx);
3298 cfg->gsctx_context = context;
3300 cfg->gsharedvt = TRUE;
3301 if (!cfg->llvm_only) {
3302 cfg->disable_llvm = TRUE;
3303 cfg->exception_message = g_strdup ("gsharedvt");
3308 method_to_register = method_to_compile;
3310 g_assert (method == method_to_compile);
3311 method_to_register = method;
3313 cfg->method_to_register = method_to_register;
3315 mono_error_init (&err);
3316 sig = mono_method_signature_checked (cfg->method, &err);
3318 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
3319 cfg->exception_message = g_strdup (mono_error_get_message (&err));
3320 mono_error_cleanup (&err);
3321 if (MONO_METHOD_COMPILE_END_ENABLED ())
3322 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3326 header = cfg->header = mono_method_get_header_checked (cfg->method, &cfg->error);
3328 mono_cfg_set_exception (cfg, MONO_EXCEPTION_MONO_ERROR);
3329 if (MONO_METHOD_COMPILE_END_ENABLED ())
3330 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3336 static gboolean inited;
3342 * Check for methods which cannot be compiled by LLVM early, to avoid
3343 * the extra compilation pass.
3345 if (COMPILE_LLVM (cfg)) {
3346 mono_llvm_check_method_supported (cfg);
3347 if (cfg->disable_llvm) {
3348 if (cfg->verbose_level >= (cfg->llvm_only ? 0 : 1)) {
3349 //nm = mono_method_full_name (cfg->method, TRUE);
3350 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
3353 if (cfg->llvm_only) {
3354 cfg->disable_aot = TRUE;
3357 mono_destroy_compile (cfg);
3359 goto restart_compile;
3365 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
3366 if (debug_options.mdb_optimizations) {
3367 cfg->disable_reuse_registers = TRUE;
3368 cfg->disable_reuse_stack_slots = TRUE;
3370 * This decreases the change the debugger will read registers/stack slots which are
3371 * not yet initialized.
3373 cfg->disable_initlocals_opt = TRUE;
3375 cfg->extend_live_ranges = TRUE;
3377 /* The debugger needs all locals to be on the stack or in a global register */
3378 cfg->disable_vreg_to_lvreg = TRUE;
3380 /* Don't remove unused variables when running inside the debugger since the user
3381 * may still want to view them. */
3382 cfg->disable_deadce_vars = TRUE;
3384 cfg->opt &= ~MONO_OPT_DEADCE;
3385 cfg->opt &= ~MONO_OPT_INLINE;
3386 cfg->opt &= ~MONO_OPT_COPYPROP;
3387 cfg->opt &= ~MONO_OPT_CONSPROP;
3389 /* This is needed for the soft debugger, which doesn't like code after the epilog */
3390 cfg->disable_out_of_line_bblocks = TRUE;
3393 if (mono_using_xdebug) {
3395 * Make each variable use its own register/stack slot and extend
3396 * their liveness to cover the whole method, making them displayable
3397 * in gdb even after they are dead.
3399 cfg->disable_reuse_registers = TRUE;
3400 cfg->disable_reuse_stack_slots = TRUE;
3401 cfg->extend_live_ranges = TRUE;
3402 cfg->compute_precise_live_ranges = TRUE;
3405 mini_gc_init_cfg (cfg);
3407 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
3408 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
3410 /* These wrappers are using linkonce linkage, so they can't access GOT slots */
3411 if ((info && (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG))) {
3412 cfg->disable_gc_safe_points = TRUE;
3413 /* This is safe, these wrappers only store to the stack */
3414 cfg->gen_write_barriers = FALSE;
3418 if (COMPILE_LLVM (cfg)) {
3419 cfg->opt |= MONO_OPT_ABCREM;
3422 if (!verbose_method_inited) {
3423 verbose_method_name = g_getenv ("MONO_VERBOSE_METHOD");
3424 verbose_method_inited = TRUE;
3426 if (verbose_method_name) {
3427 const char *name = verbose_method_name;
3429 if ((strchr (name, '.') > name) || strchr (name, ':')) {
3430 MonoMethodDesc *desc;
3432 desc = mono_method_desc_new (name, TRUE);
3433 if (mono_method_desc_full_match (desc, cfg->method)) {
3434 cfg->verbose_level = 4;
3436 mono_method_desc_free (desc);
3438 if (strcmp (cfg->method->name, name) == 0)
3439 cfg->verbose_level = 4;
3443 cfg->intvars = (guint16 *)mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
3445 if (cfg->verbose_level > 0) {
3448 method_name = mono_method_get_full_name (method);
3449 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->gshared && !cfg->gsharedvt) ? "gshared " : "", method_name);
3451 if (COMPILE_LLVM (cfg))
3452 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
3453 else if (cfg->gsharedvt)
3454 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
3455 else if (cfg->gshared)
3456 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
3458 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
3460 g_free (method_name);
3463 if (cfg->opt & MONO_OPT_ABCREM)
3464 cfg->opt |= MONO_OPT_SSA;
3466 cfg->rs = mono_regstate_new ();
3467 cfg->next_vreg = cfg->rs->next_vreg;
3469 /* FIXME: Fix SSA to handle branches inside bblocks */
3470 if (cfg->opt & MONO_OPT_SSA)
3471 cfg->enable_extended_bblocks = FALSE;
3474 * FIXME: This confuses liveness analysis because variables which are assigned after
3475 * a branch inside a bblock become part of the kill set, even though the assignment
3476 * might not get executed. This causes the optimize_initlocals pass to delete some
3477 * assignments which are needed.
3478 * Also, the mono_if_conversion pass needs to be modified to recognize the code
3481 //cfg->enable_extended_bblocks = TRUE;
3483 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
3484 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
3485 if (mini_get_debug_options ()->break_on_unverified)
3491 * create MonoInst* which represents arguments and local variables
3493 mono_compile_create_vars (cfg);
3495 mono_cfg_dump_create_context (cfg);
3496 mono_cfg_dump_begin_group (cfg);
3498 MONO_TIME_TRACK (mono_jit_stats.jit_method_to_ir, i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, 0, FALSE));
3499 mono_cfg_dump_ir (cfg, "method-to-ir");
3502 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
3504 if (MONO_METHOD_COMPILE_END_ENABLED ())
3505 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3508 mono_destroy_compile (cfg);
3509 try_generic_shared = FALSE;
3510 goto restart_compile;
3512 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
3514 if (MONO_METHOD_COMPILE_END_ENABLED ())
3515 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3516 /* cfg contains the details of the failure, so let the caller cleanup */
3520 cfg->stat_basic_blocks += cfg->num_bblocks;
3522 if (COMPILE_LLVM (cfg)) {
3525 /* The IR has to be in SSA form for LLVM */
3526 cfg->opt |= MONO_OPT_SSA;
3530 // Allow SSA on the result value
3531 cfg->ret->flags &= ~MONO_INST_VOLATILE;
3533 // Add an explicit return instruction referencing the return value
3534 MONO_INST_NEW (cfg, ins, OP_SETRET);
3535 ins->sreg1 = cfg->ret->dreg;
3537 MONO_ADD_INS (cfg->bb_exit, ins);
3540 cfg->opt &= ~MONO_OPT_LINEARS;
3543 cfg->opt &= ~MONO_OPT_BRANCH;
3546 /* todo: remove code when we have verified that the liveness for try/catch blocks
3550 * Currently, this can't be commented out since exception blocks are not
3551 * processed during liveness analysis.
3552 * It is also needed, because otherwise the local optimization passes would
3553 * delete assignments in cases like this:
3555 * <something which throws>
3557 * This also allows SSA to be run on methods containing exception clauses, since
3558 * SSA will ignore variables marked VOLATILE.
3560 MONO_TIME_TRACK (mono_jit_stats.jit_liveness_handle_exception_clauses, mono_liveness_handle_exception_clauses (cfg));
3561 mono_cfg_dump_ir (cfg, "liveness_handle_exception_clauses");
3563 MONO_TIME_TRACK (mono_jit_stats.jit_handle_out_of_line_bblock, mono_handle_out_of_line_bblock (cfg));
3564 mono_cfg_dump_ir (cfg, "handle_out_of_line_bblock");
3566 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
3568 if (!COMPILE_LLVM (cfg)) {
3569 MONO_TIME_TRACK (mono_jit_stats.jit_decompose_long_opts, mono_decompose_long_opts (cfg));
3570 mono_cfg_dump_ir (cfg, "decompose_long_opts");
3573 /* Should be done before branch opts */
3574 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP)) {
3575 MONO_TIME_TRACK (mono_jit_stats.jit_local_cprop, mono_local_cprop (cfg));
3576 mono_cfg_dump_ir (cfg, "local_cprop");
3580 * Should be done after cprop which can do strength reduction on
3581 * some of these ops, after propagating immediates.
3583 if (cfg->has_emulated_ops) {
3584 MONO_TIME_TRACK (mono_jit_stats.jit_local_emulate_ops, mono_local_emulate_ops (cfg));
3585 mono_cfg_dump_ir (cfg, "local_emulate_ops");
3588 if (cfg->opt & MONO_OPT_BRANCH) {
3589 MONO_TIME_TRACK (mono_jit_stats.jit_optimize_branches, mono_optimize_branches (cfg));
3590 mono_cfg_dump_ir (cfg, "optimize_branches");
3593 /* This must be done _before_ global reg alloc and _after_ decompose */
3594 MONO_TIME_TRACK (mono_jit_stats.jit_handle_global_vregs, mono_handle_global_vregs (cfg));
3595 mono_cfg_dump_ir (cfg, "handle_global_vregs");
3596 if (cfg->opt & MONO_OPT_DEADCE) {
3597 MONO_TIME_TRACK (mono_jit_stats.jit_local_deadce, mono_local_deadce (cfg));
3598 mono_cfg_dump_ir (cfg, "local_deadce");
3600 if (cfg->opt & MONO_OPT_ALIAS_ANALYSIS) {
3601 MONO_TIME_TRACK (mono_jit_stats.jit_local_alias_analysis, mono_local_alias_analysis (cfg));
3602 mono_cfg_dump_ir (cfg, "local_alias_analysis");
3604 /* Disable this for LLVM to make the IR easier to handle */
3605 if (!COMPILE_LLVM (cfg)) {
3606 MONO_TIME_TRACK (mono_jit_stats.jit_if_conversion, mono_if_conversion (cfg));
3607 mono_cfg_dump_ir (cfg, "if_conversion");
3610 mono_threads_safepoint ();
3612 MONO_TIME_TRACK (mono_jit_stats.jit_bb_ordering, mono_bb_ordering (cfg));
3613 mono_cfg_dump_ir (cfg, "bb_ordering");
3615 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
3617 * we disable some optimizations if there are too many variables
3618 * because JIT time may become too expensive. The actual number needs
3619 * to be tweaked and eventually the non-linear algorithms should be fixed.
3621 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
3622 cfg->disable_ssa = TRUE;
3625 if (cfg->opt & MONO_OPT_LOOP) {
3626 MONO_TIME_TRACK (mono_jit_stats.jit_compile_dominator_info, mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM));
3627 MONO_TIME_TRACK (mono_jit_stats.jit_compute_natural_loops, mono_compute_natural_loops (cfg));
3630 MONO_TIME_TRACK (mono_jit_stats.jit_insert_safepoints, mono_insert_safepoints (cfg));
3631 mono_cfg_dump_ir (cfg, "insert_safepoints");
3633 /* after method_to_ir */
3635 if (MONO_METHOD_COMPILE_END_ENABLED ())
3636 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3641 if (header->num_clauses)
3642 cfg->disable_ssa = TRUE;
3645 //#define DEBUGSSA "logic_run"
3646 //#define DEBUGSSA_CLASS "Tests"
3649 if (!cfg->disable_ssa) {
3650 mono_local_cprop (cfg);
3653 mono_ssa_compute (cfg);
3657 if (cfg->opt & MONO_OPT_SSA) {
3658 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
3660 MONO_TIME_TRACK (mono_jit_stats.jit_ssa_compute, mono_ssa_compute (cfg));
3661 mono_cfg_dump_ir (cfg, "ssa_compute");
3664 if (cfg->verbose_level >= 2) {
3671 /* after SSA translation */
3673 if (MONO_METHOD_COMPILE_END_ENABLED ())
3674 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3678 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
3679 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
3681 MONO_TIME_TRACK (mono_jit_stats.jit_ssa_cprop, mono_ssa_cprop (cfg));
3682 mono_cfg_dump_ir (cfg, "ssa_cprop");
3688 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
3689 //mono_ssa_strength_reduction (cfg);
3691 if (cfg->opt & MONO_OPT_DEADCE) {
3692 MONO_TIME_TRACK (mono_jit_stats.jit_ssa_deadce, mono_ssa_deadce (cfg));
3693 mono_cfg_dump_ir (cfg, "ssa_deadce");
3696 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM)) {
3697 MONO_TIME_TRACK (mono_jit_stats.jit_perform_abc_removal, mono_perform_abc_removal (cfg));
3698 mono_cfg_dump_ir (cfg, "perform_abc_removal");
3701 MONO_TIME_TRACK (mono_jit_stats.jit_ssa_remove, mono_ssa_remove (cfg));
3702 mono_cfg_dump_ir (cfg, "ssa_remove");
3703 MONO_TIME_TRACK (mono_jit_stats.jit_local_cprop2, mono_local_cprop (cfg));
3704 mono_cfg_dump_ir (cfg, "local_cprop2");
3705 MONO_TIME_TRACK (mono_jit_stats.jit_handle_global_vregs2, mono_handle_global_vregs (cfg));
3706 mono_cfg_dump_ir (cfg, "handle_global_vregs2");
3707 if (cfg->opt & MONO_OPT_DEADCE) {
3708 MONO_TIME_TRACK (mono_jit_stats.jit_local_deadce2, mono_local_deadce (cfg));
3709 mono_cfg_dump_ir (cfg, "local_deadce2");
3712 if (cfg->opt & MONO_OPT_BRANCH) {
3713 MONO_TIME_TRACK (mono_jit_stats.jit_optimize_branches2, mono_optimize_branches (cfg));
3714 mono_cfg_dump_ir (cfg, "optimize_branches2");
3719 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
3720 mono_ssa_loop_invariant_code_motion (cfg);
3721 mono_cfg_dump_ir (cfg, "loop_invariant_code_motion");
3722 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
3723 if (cfg->opt & MONO_OPT_ABCREM) {
3724 mono_perform_abc_removal (cfg);
3725 mono_cfg_dump_ir (cfg, "abc_removal");
3729 /* after SSA removal */
3731 if (MONO_METHOD_COMPILE_END_ENABLED ())
3732 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3736 if (cfg->llvm_only && cfg->gsharedvt)
3737 mono_ssa_remove_gsharedvt (cfg);
3739 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
3740 if (COMPILE_SOFT_FLOAT (cfg))
3741 mono_decompose_soft_float (cfg);
3743 MONO_TIME_TRACK (mono_jit_stats.jit_decompose_vtype_opts, mono_decompose_vtype_opts (cfg));
3744 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS) {
3745 MONO_TIME_TRACK (mono_jit_stats.jit_decompose_array_access_opts, mono_decompose_array_access_opts (cfg));
3746 mono_cfg_dump_ir (cfg, "decompose_array_access_opts");
3750 #ifndef MONO_ARCH_GOT_REG
3755 g_assert (cfg->got_var_allocated);
3758 * Allways allocate the GOT var to a register, because keeping it
3759 * in memory will increase the number of live temporaries in some
3760 * code created by inssel.brg, leading to the well known spills+
3761 * branches problem. Testcase: mcs crash in
3762 * System.MonoCustomAttrs:GetCustomAttributes.
3764 #ifdef MONO_ARCH_GOT_REG
3765 got_reg = MONO_ARCH_GOT_REG;
3767 regs = mono_arch_get_global_int_regs (cfg);
3769 got_reg = GPOINTER_TO_INT (regs->data);
3772 cfg->got_var->opcode = OP_REGVAR;
3773 cfg->got_var->dreg = got_reg;
3774 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
3778 * Have to call this again to process variables added since the first call.
3780 MONO_TIME_TRACK(mono_jit_stats.jit_liveness_handle_exception_clauses2, mono_liveness_handle_exception_clauses (cfg));
3782 if (cfg->opt & MONO_OPT_LINEARS) {
3783 GList *vars, *regs, *l;
3785 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
3786 cfg->comp_done &= ~MONO_COMP_LIVENESS;
3787 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
3788 MONO_TIME_TRACK (mono_jit_stats.jit_analyze_liveness, mono_analyze_liveness (cfg));
3790 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
3791 regs = mono_arch_get_global_int_regs (cfg);
3792 /* Remove the reg reserved for holding the GOT address */
3794 for (l = regs; l; l = l->next) {
3795 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
3796 regs = g_list_delete_link (regs, l);
3801 MONO_TIME_TRACK (mono_jit_stats.jit_linear_scan, mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs));
3802 mono_cfg_dump_ir (cfg, "linear_scan");
3806 //mono_print_code (cfg, "");
3810 /* variables are allocated after decompose, since decompose could create temps */
3811 if (!COMPILE_LLVM (cfg)) {
3812 MONO_TIME_TRACK (mono_jit_stats.jit_arch_allocate_vars, mono_arch_allocate_vars (cfg));
3813 mono_cfg_dump_ir (cfg, "arch_allocate_vars");
3814 if (cfg->exception_type)
3819 mono_allocate_gsharedvt_vars (cfg);
3821 if (!COMPILE_LLVM (cfg)) {
3822 gboolean need_local_opts;
3823 MONO_TIME_TRACK (mono_jit_stats.jit_spill_global_vars, mono_spill_global_vars (cfg, &need_local_opts));
3824 mono_cfg_dump_ir (cfg, "spill_global_vars");
3826 if (need_local_opts || cfg->compile_aot) {
3827 /* To optimize code created by spill_global_vars */
3828 MONO_TIME_TRACK (mono_jit_stats.jit_local_cprop3, mono_local_cprop (cfg));
3829 if (cfg->opt & MONO_OPT_DEADCE)
3830 MONO_TIME_TRACK (mono_jit_stats.jit_local_deadce3, mono_local_deadce (cfg));
3831 mono_cfg_dump_ir (cfg, "needs_local_opts");
3835 mono_insert_branches_between_bblocks (cfg);
3837 if (COMPILE_LLVM (cfg)) {
3841 /* The IR has to be in SSA form for LLVM */
3842 if (!(cfg->comp_done & MONO_COMP_SSA)) {
3843 cfg->exception_message = g_strdup ("SSA disabled.");
3844 cfg->disable_llvm = TRUE;
3847 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
3848 mono_decompose_array_access_opts (cfg);
3850 if (!cfg->disable_llvm)
3851 mono_llvm_emit_method (cfg);
3852 if (cfg->disable_llvm) {
3853 if (cfg->verbose_level >= (cfg->llvm_only ? 0 : 1)) {
3854 //nm = mono_method_full_name (cfg->method, TRUE);
3855 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
3858 if (cfg->llvm_only) {
3859 cfg->disable_aot = TRUE;
3862 mono_destroy_compile (cfg);
3864 goto restart_compile;
3867 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
3868 nm = mono_method_full_name (cfg->method, TRUE);
3869 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
3871 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3876 MONO_TIME_TRACK (mono_jit_stats.jit_codegen, mono_codegen (cfg));
3877 mono_cfg_dump_ir (cfg, "codegen");
3878 if (cfg->exception_type)
3882 if (COMPILE_LLVM (cfg))
3883 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
3885 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
3887 MONO_TIME_TRACK (mono_jit_stats.jit_create_jit_info, cfg->jit_info = create_jit_info (cfg, method_to_compile));
3889 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
3890 if (cfg->extend_live_ranges) {
3891 /* Extend live ranges to cover the whole method */
3892 for (i = 0; i < cfg->num_varinfo; ++i)
3893 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
3897 if (!cfg->compile_aot)
3898 mono_save_xdebug_info (cfg);
3900 MONO_TIME_TRACK (mono_jit_stats.jit_gc_create_gc_map, mini_gc_create_gc_map (cfg));
3902 MONO_TIME_TRACK (mono_jit_stats.jit_save_seq_point_info, mono_save_seq_point_info (cfg));
3904 if (cfg->verbose_level >= 2) {
3905 char *id = mono_method_full_name (cfg->method, FALSE);
3906 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
3910 if (!cfg->compile_aot) {
3911 mono_domain_lock (cfg->domain);
3912 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
3914 if (cfg->method->dynamic)
3915 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
3916 mono_domain_unlock (cfg->domain);
3921 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
3924 /* collect statistics */
3925 #ifndef DISABLE_PERFCOUNTERS
3926 mono_perfcounters->jit_methods++;
3927 mono_perfcounters->jit_bytes += header->code_size;
3929 mono_jit_stats.allocated_code_size += cfg->code_len;
3930 code_size_ratio = cfg->code_len;
3931 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
3932 mono_jit_stats.biggest_method_size = code_size_ratio;
3933 g_free (mono_jit_stats.biggest_method);
3934 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
3936 code_size_ratio = (code_size_ratio * 100) / header->code_size;
3937 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
3938 mono_jit_stats.max_code_size_ratio = code_size_ratio;
3939 g_free (mono_jit_stats.max_ratio_method);
3940 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
3942 mono_jit_stats.native_code_size += cfg->code_len;
3944 if (MONO_METHOD_COMPILE_END_ENABLED ())
3945 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3947 mono_cfg_dump_close_group (cfg);
3953 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments)
3955 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
3959 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
3961 TryBlockHole *hole = (TryBlockHole *)mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
3962 hole->clause = clause;
3963 hole->start_offset = start - cfg->native_code;
3964 hole->basic_block = bb;
3966 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
3970 mono_cfg_set_exception (MonoCompile *cfg, int type)
3972 cfg->exception_type = type;
3975 /* Assumes ownership of the MSG argument */
3977 mono_cfg_set_exception_invalid_program (MonoCompile *cfg, char *msg)
3979 mono_cfg_set_exception (cfg, MONO_EXCEPTION_MONO_ERROR);
3980 mono_error_set_generic_error (&cfg->error, "System", "InvalidProgramException", msg);
3983 #endif /* DISABLE_JIT */
3986 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
3988 MonoDomain *domain = mono_get_root_domain ();
3993 if (info->uw_info) {
3994 uw_info = info->uw_info;
3995 info_len = info->uw_info_len;
3997 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4000 jinfo = (MonoJitInfo *)mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4001 jinfo->d.method = wrapper;
4002 jinfo->code_start = info->code;
4003 jinfo->code_size = info->code_size;
4004 jinfo->unwind_info = mono_cache_unwind_info (uw_info, info_len);
4012 GTimer *mono_time_track_start ()
4014 return g_timer_new ();
4017 void mono_time_track_end (double *time, GTimer *timer)
4019 g_timer_stop (timer);
4020 *time += g_timer_elapsed (timer, NULL);
4021 g_timer_destroy (timer);
4024 void mono_update_jit_stats (MonoCompile *cfg)
4026 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
4027 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
4028 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
4029 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
4030 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
4031 mono_jit_stats.regvars += cfg->stat_n_regvars;
4032 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
4033 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
4034 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
4038 * mono_jit_compile_method_inner:
4040 * Main entry point for the JIT.
4043 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoError *error)
4046 gpointer code = NULL;
4047 MonoJitInfo *jinfo, *info;
4049 MonoException *ex = NULL;
4050 guint32 prof_options;
4052 MonoMethod *prof_method, *shared;
4054 mono_error_init (error);
4056 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
4057 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
4059 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
4061 if (!piinfo->addr) {
4062 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
4063 piinfo->addr = mono_lookup_internal_call (method);
4064 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
4066 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);
4068 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);
4071 mono_lookup_pinvoke_call (method, NULL, NULL);
4073 nm = mono_marshal_get_native_wrapper (method, TRUE, mono_aot_only);
4074 gpointer compiled_method = mono_compile_method_checked (nm, error);
4075 return_val_if_nok (error, NULL);
4076 code = mono_get_addr_from_ftnptr (compiled_method);
4077 jinfo = mono_jit_info_table_find (target_domain, (char *)code);
4079 jinfo = mono_jit_info_table_find (mono_domain_get (), (char *)code);
4081 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
4083 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
4084 const char *name = method->name;
4085 char *full_name, *msg;
4088 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
4089 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
4090 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("ves_icall_mono_delegate_ctor");
4093 * We need to make sure this wrapper
4094 * is compiled because it might end up
4095 * in an (M)RGCTX if generic sharing
4096 * is enabled, and would be called
4097 * indirectly. If it were a
4098 * trampoline we'd try to patch that
4099 * indirect call, which is not
4102 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
4103 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
4104 if (mono_llvm_only) {
4105 nm = mono_marshal_get_delegate_invoke (method, NULL);
4106 gpointer compiled_ptr = mono_compile_method_checked (nm, error);
4107 mono_error_assert_ok (error);
4108 return mono_get_addr_from_ftnptr (compiled_ptr);
4110 return mono_create_delegate_trampoline (target_domain, method->klass);
4111 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
4112 nm = mono_marshal_get_delegate_begin_invoke (method);
4113 gpointer compiled_ptr = mono_compile_method_checked (nm, error);
4114 mono_error_assert_ok (error);
4115 return mono_get_addr_from_ftnptr (compiled_ptr);
4116 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
4117 nm = mono_marshal_get_delegate_end_invoke (method);
4118 gpointer compiled_ptr = mono_compile_method_checked (nm, error);
4119 mono_error_assert_ok (error);
4120 return mono_get_addr_from_ftnptr (compiled_ptr);
4124 full_name = mono_method_full_name (method, TRUE);
4125 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
4126 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
4127 mono_error_set_exception_instance (error, ex);
4133 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
4134 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
4136 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
4137 static MonoTrampInfo *in_tinfo, *out_tinfo;
4138 MonoTrampInfo *tinfo;
4140 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
4142 if (is_in && in_tinfo)
4143 return in_tinfo->code;
4144 else if (!is_in && out_tinfo)
4145 return out_tinfo->code;
4148 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
4150 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
4153 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
4155 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
4156 jinfo = create_jit_info_for_trampoline (method, tinfo);
4157 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
4166 if (mono_aot_only) {
4167 char *fullname = mono_method_full_name (method, TRUE);
4168 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only. See http://docs.xamarin.com/ios/about/limitations for more information.\n", fullname);
4170 ex = mono_get_exception_execution_engine (msg);
4171 mono_error_set_exception_instance (error, ex);
4178 jit_timer = mono_time_track_start ();
4179 cfg = mini_method_compile (method, opt, target_domain, JIT_FLAG_RUN_CCTORS, 0, -1);
4180 mono_time_track_end (&mono_jit_stats.jit_time, jit_timer);
4182 prof_method = cfg->method;
4184 switch (cfg->exception_type) {
4185 case MONO_EXCEPTION_NONE:
4187 case MONO_EXCEPTION_TYPE_LOAD:
4188 case MONO_EXCEPTION_MISSING_FIELD:
4189 case MONO_EXCEPTION_MISSING_METHOD:
4190 case MONO_EXCEPTION_FILE_NOT_FOUND:
4191 case MONO_EXCEPTION_BAD_IMAGE:
4192 case MONO_EXCEPTION_INVALID_PROGRAM: {
4193 /* Throw a type load exception if needed */
4194 if (cfg->exception_ptr) {
4195 ex = mono_class_get_exception_for_failure ((MonoClass *)cfg->exception_ptr);
4197 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
4198 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
4199 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
4200 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
4201 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
4202 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
4203 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
4204 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.IO", "FileNotFoundException", cfg->exception_message);
4205 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
4206 ex = mono_get_exception_bad_image_format (cfg->exception_message);
4207 else if (cfg->exception_type == MONO_EXCEPTION_INVALID_PROGRAM)
4208 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
4210 g_assert_not_reached ();
4214 case MONO_EXCEPTION_MONO_ERROR:
4215 // FIXME: MonoError has no copy ctor
4216 g_assert (!mono_error_ok (&cfg->error));
4217 ex = mono_error_convert_to_exception (&cfg->error);
4220 g_assert_not_reached ();
4224 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
4225 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
4227 mono_destroy_compile (cfg);
4228 mono_error_set_exception_instance (error, ex);
4233 if (mono_method_is_generic_sharable (method, FALSE))
4234 shared = mini_get_shared_method (method);
4238 mono_domain_lock (target_domain);
4240 /* Check if some other thread already did the job. In this case, we can
4241 discard the code this thread generated. */
4243 info = mini_lookup_method (target_domain, method, shared);
4245 /* We can't use a domain specific method in another domain */
4246 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
4247 code = info->code_start;
4248 // printf("Discarding code for method %s\n", method->name);
4252 /* The lookup + insert is atomic since this is done inside the domain lock */
4253 mono_domain_jit_code_hash_lock (target_domain);
4254 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->d.method, cfg->jit_info);
4255 mono_domain_jit_code_hash_unlock (target_domain);
4257 code = cfg->native_code;
4259 if (cfg->gshared && mono_method_is_generic_sharable (method, FALSE))
4260 mono_stats.generics_shared_methods++;
4262 mono_stats.gsharedvt_methods++;
4265 jinfo = cfg->jit_info;
4267 prof_options = cfg->prof_options;
4270 * Update global stats while holding a lock, instead of doing many
4271 * InterlockedIncrement operations during JITting.
4273 mono_update_jit_stats (cfg);
4275 mono_destroy_compile (cfg);
4278 if (domain_jit_info (target_domain)->jump_target_hash) {
4279 MonoJumpInfo patch_info;
4280 MonoJumpList *jlist;
4282 jlist = (MonoJumpList *)g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
4284 patch_info.next = NULL;
4285 patch_info.ip.i = 0;
4286 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
4287 patch_info.data.method = method;
4288 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
4290 #ifdef MONO_ARCH_HAVE_PATCH_CODE_NEW
4291 for (tmp = jlist->list; tmp; tmp = tmp->next) {
4292 gpointer target = mono_resolve_patch_target (NULL, target_domain, (guint8 *)tmp->data, &patch_info, TRUE, error);
4293 if (!mono_error_ok (error))
4295 mono_arch_patch_code_new (NULL, target_domain, (guint8 *)tmp->data, &patch_info, target);
4298 for (tmp = jlist->list; tmp; tmp = tmp->next) {
4299 mono_arch_patch_code (NULL, NULL, target_domain, tmp->data, &patch_info, TRUE, error);
4307 /* Update llvm callees */
4308 if (domain_jit_info (target_domain)->llvm_jit_callees) {
4309 GSList *callees = g_hash_table_lookup (domain_jit_info (target_domain)->llvm_jit_callees, method);
4312 for (l = callees; l; l = l->next) {
4313 gpointer *addr = (gpointer*)l->data;
4319 mono_emit_jit_map (jinfo);
4321 mono_domain_unlock (target_domain);
4323 if (!mono_error_ok (error))
4326 vtable = mono_class_vtable (target_domain, method->klass);
4328 ex = mono_class_get_exception_for_failure (method->klass);
4330 mono_error_set_exception_instance (error, ex);
4334 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
4335 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
4336 if (mono_marshal_method_from_wrapper (method)) {
4337 /* Native func wrappers have no method */
4338 /* The profiler doesn't know about wrappers, so pass the original icall method */
4339 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
4342 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
4343 if (prof_method != method) {
4344 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
4348 if (!mono_runtime_class_init_full (vtable, error))
4354 * mini_get_underlying_type:
4356 * Return the type the JIT will use during compilation.
4357 * Handles: byref, enums, native types, generic sharing.
4358 * For gsharedvt types, it will return the original VAR/MVAR.
4361 mini_get_underlying_type (MonoType *type)
4363 return mini_type_get_underlying_type (type);
4367 mini_jit_init (void)
4369 mono_os_mutex_init_recursive (&jit_mutex);
4371 current_backend = g_new0 (MonoBackend, 1);
4372 init_backend (current_backend);
4377 mini_jit_cleanup (void)
4380 g_free (emul_opcode_map);
4381 g_free (emul_opcode_opcodes);
4387 mono_llvm_emit_aot_file_info (MonoAotFileInfo *info, gboolean has_jitted_code)
4389 g_assert_not_reached ();
4392 void mono_llvm_emit_aot_data (const char *symbol, guint8 *data, int data_len)
4394 g_assert_not_reached ();
4399 #if !defined(ENABLE_LLVM_RUNTIME) && !defined(ENABLE_LLVM)
4402 mono_llvm_cpp_throw_exception (void)
4404 g_assert_not_reached ();
4412 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts, int aot_method_index)
4414 g_assert_not_reached ();
4419 mono_destroy_compile (MonoCompile *cfg)
4421 g_assert_not_reached ();
4425 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
4427 g_assert_not_reached ();
4430 #endif /* DISABLE_JIT */