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)
13 #define MONO_LLVM_IN_MINI 1
23 #ifdef HAVE_SYS_TIME_H
27 #include <mono/utils/memcheck.h>
29 #include <mono/metadata/assembly.h>
30 #include <mono/metadata/loader.h>
31 #include <mono/metadata/tabledefs.h>
32 #include <mono/metadata/class.h>
33 #include <mono/metadata/object.h>
34 #include <mono/metadata/tokentype.h>
35 #include <mono/metadata/tabledefs.h>
36 #include <mono/metadata/threads.h>
37 #include <mono/metadata/appdomain.h>
38 #include <mono/metadata/debug-helpers.h>
39 #include <mono/io-layer/io-layer.h>
40 #include "mono/metadata/profiler.h"
41 #include <mono/metadata/profiler-private.h>
42 #include <mono/metadata/mono-config.h>
43 #include <mono/metadata/environment.h>
44 #include <mono/metadata/mono-debug.h>
45 #include <mono/metadata/gc-internal.h>
46 #include <mono/metadata/threads-types.h>
47 #include <mono/metadata/verify.h>
48 #include <mono/metadata/verify-internals.h>
49 #include <mono/metadata/mempool-internals.h>
50 #include <mono/metadata/attach.h>
51 #include <mono/metadata/runtime.h>
52 #include <mono/utils/mono-math.h>
53 #include <mono/utils/mono-compiler.h>
54 #include <mono/utils/mono-counters.h>
55 #include <mono/utils/mono-logger-internal.h>
56 #include <mono/utils/mono-mmap.h>
57 #include <mono/utils/mono-tls.h>
58 #include <mono/utils/dtrace.h>
61 #include "mini-llvm.h"
68 #include "jit-icalls.h"
70 #include "debug-mini.h"
72 #include "debugger-agent.h"
74 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
77 static guint32 default_opt = 0;
78 static gboolean default_opt_set = FALSE;
80 MonoNativeTlsKey mono_jit_tls_id;
82 #ifdef MONO_HAVE_FAST_TLS
83 MONO_FAST_TLS_DECLARE(mono_jit_tls);
86 #ifndef MONO_ARCH_MONITOR_ENTER_ADJUSTMENT
87 #define MONO_ARCH_MONITOR_ENTER_ADJUSTMENT 1
90 MonoTraceSpec *mono_jit_trace_calls = NULL;
91 gboolean mono_compile_aot = FALSE;
92 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
93 gboolean mono_aot_only = FALSE;
94 /* Whenever to use IMT */
95 #ifdef MONO_ARCH_HAVE_IMT
96 gboolean mono_use_imt = TRUE;
98 gboolean mono_use_imt = FALSE;
100 MonoMethodDesc *mono_inject_async_exc_method = NULL;
101 int mono_inject_async_exc_pos;
102 MonoMethodDesc *mono_break_at_bb_method = NULL;
103 int mono_break_at_bb_bb_num;
104 gboolean mono_do_x86_stack_align = TRUE;
105 const char *mono_build_date;
106 gboolean mono_do_signal_chaining;
107 static gboolean mono_using_xdebug;
108 static int mini_verbose = 0;
111 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
112 * it can load AOT code compiled by LLVM.
114 gboolean mono_use_llvm = FALSE;
116 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
117 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
118 static CRITICAL_SECTION jit_mutex;
120 static MonoCodeManager *global_codeman = NULL;
122 static GHashTable *jit_icall_name_hash = NULL;
124 static MonoDebugOptions debug_options;
126 #ifdef VALGRIND_JIT_REGISTER_MAP
127 static int valgrind_register = 0;
131 * Table written to by the debugger with a 1-based index into the
132 * mono_breakpoint_info table, which contains changes made to
133 * the JIT instructions by the debugger.
136 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
138 /* Whenever to check for pending exceptions in managed-to-native wrappers */
139 gboolean check_for_pending_exc = TRUE;
141 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
142 gboolean disable_vtypes_in_regs = FALSE;
144 gboolean mono_dont_free_global_codeman;
147 mono_realloc_native_code (MonoCompile *cfg)
149 #if defined(__default_codegen__)
150 return g_realloc (cfg->native_code, cfg->code_size);
151 #elif defined(__native_client_codegen__)
153 gpointer native_code;
154 guint alignment_check;
156 /* Save the old alignment offset so we can re-align after the realloc. */
157 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
159 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
160 cfg->code_size + kNaClAlignment );
162 /* Align native_code to next nearest kNaClAlignment byte. */
163 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
164 native_code = (guint)native_code & ~kNaClAlignmentMask;
166 /* Shift the data to be 32-byte aligned again. */
167 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
169 alignment_check = (guint)native_code & kNaClAlignmentMask;
170 g_assert (alignment_check == 0);
173 g_assert_not_reached ();
174 return cfg->native_code;
178 #ifdef __native_client_codegen__
180 /* Prevent instructions from straddling a 32-byte alignment boundary. */
181 /* Instructions longer than 32 bytes must be aligned internally. */
182 /* IN: pcode, instlen */
184 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
187 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
189 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
190 g_assert_not_reached();
191 } else if (instlen > space_in_block) {
192 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
196 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
197 /* IN: start pointer to start of call sequence */
198 /* IN: pcode pointer to end of call sequence (current "IP") */
199 /* OUT: start pointer to the start of the call sequence after padding */
200 /* OUT: pcode pointer to the end of the call sequence after padding */
201 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
202 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
203 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
206 const size_t length = (size_t)((*pcode)-(*start));
207 g_assert(length < MAX_NACL_CALL_LENGTH);
209 memcpy(copy_of_call, *start, length);
210 temp = mono_nacl_pad_call(*start, (guint8)length);
211 memcpy(temp, copy_of_call, length);
213 (*pcode) = temp + length;
216 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
217 /* code pointer to buffer for emitting code */
218 /* ilength length of call instruction */
219 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
220 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
221 int padding = freeSpaceInBlock - ilength;
224 /* There isn't enough space in this block for the instruction. */
225 /* Fill this block and start a new one. */
226 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
227 freeSpaceInBlock = kNaClAlignment;
228 padding = freeSpaceInBlock - ilength;
230 g_assert(ilength > 0);
231 g_assert(padding >= 0);
232 g_assert(padding < kNaClAlignment);
233 if (0 == padding) return code;
234 return mono_arch_nacl_pad(code, padding);
237 guint8 *mono_nacl_align(guint8 *code) {
238 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
239 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
243 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
245 MonoJumpInfo *patch_info;
246 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
247 unsigned char *ip = patch_info->ip.i + code;
248 ip = mono_arch_nacl_skip_nops(ip);
249 patch_info->ip.i = ip - code;
252 #endif /* __native_client_codegen__ */
255 mono_running_on_valgrind (void)
257 if (RUNNING_ON_VALGRIND){
258 #ifdef VALGRIND_JIT_REGISTER_MAP
259 valgrind_register = TRUE;
267 MonoExceptionClause *clause;
268 MonoBasicBlock *basic_block;
278 find_tramp (gpointer key, gpointer value, gpointer user_data)
280 FindTrampUserData *ud = (FindTrampUserData*)user_data;
283 ud->method = (MonoMethod*)key;
287 G_GNUC_UNUSED static char*
288 get_method_from_ip (void *ip)
293 MonoDomain *domain = mono_domain_get ();
294 MonoDebugSourceLocation *location;
295 FindTrampUserData user_data;
298 domain = mono_get_root_domain ();
300 ji = mono_jit_info_table_find (domain, ip);
303 user_data.method = NULL;
304 mono_domain_lock (domain);
305 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
306 mono_domain_unlock (domain);
307 if (user_data.method) {
308 char *mname = mono_method_full_name (user_data.method, TRUE);
309 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
316 method = mono_method_full_name (ji->method, TRUE);
317 /* FIXME: unused ? */
318 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
320 res = g_strdup_printf (" %s + 0x%x (%p %p) [%p - %s]", method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
322 mono_debug_free_source_location (location);
330 * @ip: an instruction pointer address
332 * This method is used from a debugger to get the name of the
333 * method at address @ip. This routine is typically invoked from
334 * a debugger like this:
336 * (gdb) print mono_pmip ($pc)
338 * Returns: the name of the method at address @ip.
343 return get_method_from_ip (ip);
347 * mono_print_method_from_ip
348 * @ip: an instruction pointer address
350 * This method is used from a debugger to get the name of the
351 * method at address @ip.
353 * This prints the name of the method at address @ip in the standard
354 * output. Unlike mono_pmip which returns a string, this routine
355 * prints the value on the standard output.
358 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
359 __attribute__((used))
362 mono_print_method_from_ip (void *ip)
366 MonoDebugSourceLocation *source;
367 MonoDomain *domain = mono_domain_get ();
368 MonoDomain *target_domain = mono_domain_get ();
369 FindTrampUserData user_data;
371 ji = mini_jit_info_table_find (domain, ip, &target_domain);
374 user_data.method = NULL;
375 mono_domain_lock (domain);
376 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
377 mono_domain_unlock (domain);
378 if (user_data.method) {
379 char *mname = mono_method_full_name (user_data.method, TRUE);
380 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
384 g_print ("No method at %p\n", ip);
388 method = mono_method_full_name (ji->method, TRUE);
389 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
391 g_print ("IP %p at offset 0x%x of method %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
394 g_print ("%s:%d\n", source->source_file, source->row);
397 mono_debug_free_source_location (source);
402 * mono_method_same_domain:
404 * Determine whenever two compiled methods are in the same domain, thus
405 * the address of the callee can be embedded in the caller.
407 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
409 if (!caller || !callee)
413 * If the call was made from domain-neutral to domain-specific
414 * code, we can't patch the call site.
416 if (caller->domain_neutral && !callee->domain_neutral)
419 if ((caller->method->klass == mono_defaults.appdomain_class) &&
420 (strstr (caller->method->name, "InvokeInDomain"))) {
421 /* The InvokeInDomain methods change the current appdomain */
429 * mono_global_codeman_reserve:
431 * Allocate code memory from the global code manager.
433 void *mono_global_codeman_reserve (int size)
438 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
440 if (!global_codeman) {
441 /* This can happen during startup */
442 global_codeman = mono_code_manager_new ();
443 return mono_code_manager_reserve (global_codeman, size);
447 ptr = mono_code_manager_reserve (global_codeman, size);
453 #if defined(__native_client_codegen__) && defined(__native_client__)
454 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
455 * which we are generating code, return a pointer to the destination in the
456 * dynamic code segment into which the code will be copied when
457 * mono_global_codeman_commit is called.
458 * LOCKING: Acquires the jit lock.
461 nacl_global_codeman_get_dest (void *data)
465 dest = nacl_code_manager_get_code_dest (global_codeman, data);
471 mono_global_codeman_commit (void *data, int size, int newsize)
474 mono_code_manager_commit (global_codeman, data, size, newsize);
479 * Convenience function which calls mono_global_codeman_commit to validate and
480 * copy the code. The caller sets *buf_base and *buf_size to the start and size
481 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
482 * the byte after the last instruction byte. On return, *buf_base will point to
483 * the start of the copied in the code segment, and *code_end will point after
484 * the end of the copied code.
487 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
489 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
490 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
491 *code_end = tmp + (*code_end - *buf_base);
495 /* no-op versions of Native Client functions */
497 nacl_global_codeman_get_dest (void *data)
503 mono_global_codeman_commit (void *data, int size, int newsize)
508 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
512 #endif /* __native_client__ */
515 * mono_create_unwind_op:
517 * Create an unwind op with the given parameters.
520 mono_create_unwind_op (int when, int tag, int reg, int val)
522 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
533 * mono_emit_unwind_op:
535 * Add an unwind op with the given parameters for the list of unwind ops stored in
539 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
541 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
548 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
552 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
554 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
557 res->has_context = context != NULL;
559 memcpy (&res->context, context, sizeof (MonoGenericContext));
565 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
567 return mono_jump_info_token_new2 (mp, image, token, NULL);
571 * mono_tramp_info_create:
573 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
574 * of NAME, JI, and UNWIND_OPS.
577 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
579 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
581 info->name = (char*)name;
583 info->code_size = code_size;
585 info->unwind_ops = unwind_ops;
591 mono_tramp_info_free (MonoTrampInfo *info)
598 for (l = info->unwind_ops; l; l = l->next)
600 g_slist_free (info->unwind_ops);
604 #define MONO_INIT_VARINFO(vi,id) do { \
605 (vi)->range.first_use.pos.bid = 0xffff; \
611 * mono_unlink_bblock:
613 * Unlink two basic blocks.
616 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
622 for (i = 0; i < from->out_count; ++i) {
623 if (to == from->out_bb [i]) {
630 for (i = 0; i < from->out_count; ++i) {
631 if (from->out_bb [i] != to)
632 from->out_bb [pos ++] = from->out_bb [i];
634 g_assert (pos == from->out_count - 1);
639 for (i = 0; i < to->in_count; ++i) {
640 if (from == to->in_bb [i]) {
647 for (i = 0; i < to->in_count; ++i) {
648 if (to->in_bb [i] != from)
649 to->in_bb [pos ++] = to->in_bb [i];
651 g_assert (pos == to->in_count - 1);
657 * mono_bblocks_linked:
659 * Return whenever BB1 and BB2 are linked in the CFG.
662 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
666 for (i = 0; i < bb1->out_count; ++i) {
667 if (bb1->out_bb [i] == bb2)
675 mono_find_block_region_notry (MonoCompile *cfg, int offset)
677 MonoMethodHeader *header = cfg->header;
678 MonoExceptionClause *clause;
681 for (i = 0; i < header->num_clauses; ++i) {
682 clause = &header->clauses [i];
683 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
684 (offset < (clause->handler_offset)))
685 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
687 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
688 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
689 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
690 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
691 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
693 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
701 * mono_get_block_region_notry:
703 * Return the region corresponding to REGION, ignoring try clauses nested inside
707 mono_get_block_region_notry (MonoCompile *cfg, int region)
709 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
710 MonoMethodHeader *header = cfg->header;
713 * This can happen if a try clause is nested inside a finally clause.
715 int clause_index = (region >> 8) - 1;
716 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
718 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
725 mono_find_spvar_for_region (MonoCompile *cfg, int region)
727 region = mono_get_block_region_notry (cfg, region);
729 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
733 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
737 array [*dfn] = start;
738 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
739 for (i = 0; i < start->out_count; ++i) {
740 if (start->out_bb [i]->dfn)
743 start->out_bb [i]->dfn = *dfn;
744 start->out_bb [i]->df_parent = start;
745 array [*dfn] = start->out_bb [i];
746 df_visit (start->out_bb [i], dfn, array);
751 mono_reverse_branch_op (guint32 opcode)
753 static const int reverse_map [] = {
754 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
755 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
757 static const int reverse_fmap [] = {
758 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
759 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
761 static const int reverse_lmap [] = {
762 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
763 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
765 static const int reverse_imap [] = {
766 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
767 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
770 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
771 opcode = reverse_map [opcode - CEE_BEQ];
772 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
773 opcode = reverse_fmap [opcode - OP_FBEQ];
774 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
775 opcode = reverse_lmap [opcode - OP_LBEQ];
776 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
777 opcode = reverse_imap [opcode - OP_IBEQ];
779 g_assert_not_reached ();
785 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
788 return OP_STORE_MEMBASE_REG;
791 switch (type->type) {
794 case MONO_TYPE_BOOLEAN:
795 return OP_STOREI1_MEMBASE_REG;
799 return OP_STOREI2_MEMBASE_REG;
802 return OP_STOREI4_MEMBASE_REG;
806 case MONO_TYPE_FNPTR:
807 return OP_STORE_MEMBASE_REG;
808 case MONO_TYPE_CLASS:
809 case MONO_TYPE_STRING:
810 case MONO_TYPE_OBJECT:
811 case MONO_TYPE_SZARRAY:
812 case MONO_TYPE_ARRAY:
813 return OP_STORE_MEMBASE_REG;
816 return OP_STOREI8_MEMBASE_REG;
818 return OP_STORER4_MEMBASE_REG;
820 return OP_STORER8_MEMBASE_REG;
821 case MONO_TYPE_VALUETYPE:
822 if (type->data.klass->enumtype) {
823 type = mono_class_enum_basetype (type->data.klass);
826 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
827 return OP_STOREX_MEMBASE;
828 return OP_STOREV_MEMBASE;
829 case MONO_TYPE_TYPEDBYREF:
830 return OP_STOREV_MEMBASE;
831 case MONO_TYPE_GENERICINST:
832 type = &type->data.generic_class->container_class->byval_arg;
836 /* FIXME: all the arguments must be references for now,
837 * later look inside cfg and see if the arg num is
840 g_assert (cfg->generic_sharing_context);
841 return OP_STORE_MEMBASE_REG;
843 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
849 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
852 return OP_LOAD_MEMBASE;
854 type = mono_type_get_underlying_type (type);
856 switch (type->type) {
858 return OP_LOADI1_MEMBASE;
860 case MONO_TYPE_BOOLEAN:
861 return OP_LOADU1_MEMBASE;
863 return OP_LOADI2_MEMBASE;
866 return OP_LOADU2_MEMBASE;
868 return OP_LOADI4_MEMBASE;
870 return OP_LOADU4_MEMBASE;
874 case MONO_TYPE_FNPTR:
875 return OP_LOAD_MEMBASE;
876 case MONO_TYPE_CLASS:
877 case MONO_TYPE_STRING:
878 case MONO_TYPE_OBJECT:
879 case MONO_TYPE_SZARRAY:
880 case MONO_TYPE_ARRAY:
881 return OP_LOAD_MEMBASE;
884 return OP_LOADI8_MEMBASE;
886 return OP_LOADR4_MEMBASE;
888 return OP_LOADR8_MEMBASE;
889 case MONO_TYPE_VALUETYPE:
890 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
891 return OP_LOADX_MEMBASE;
892 case MONO_TYPE_TYPEDBYREF:
893 return OP_LOADV_MEMBASE;
894 case MONO_TYPE_GENERICINST:
895 if (mono_type_generic_inst_is_valuetype (type))
896 return OP_LOADV_MEMBASE;
898 return OP_LOAD_MEMBASE;
902 /* FIXME: all the arguments must be references for now,
903 * later look inside cfg and see if the arg num is
906 g_assert (cfg->generic_sharing_context);
907 return OP_LOAD_MEMBASE;
909 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
915 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
917 if (cfg->generic_sharing_context && !type->byref) {
918 /* FIXME: all the arguments must be references for now,
919 * later look inside cfg and see if the arg num is
922 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
923 return CEE_LDIND_REF;
925 return mono_type_to_ldind (type);
929 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
931 if (cfg->generic_sharing_context && !type->byref) {
932 /* FIXME: all the arguments must be references for now,
933 * later look inside cfg and see if the arg num is
936 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
937 return CEE_STIND_REF;
939 return mono_type_to_stind (type);
943 mono_op_imm_to_op (int opcode)
947 #if SIZEOF_REGISTER == 4
963 #if SIZEOF_REGISTER == 4
969 #if SIZEOF_REGISTER == 4
975 #if SIZEOF_REGISTER == 4
1000 case OP_ISHR_UN_IMM:
1002 case OP_LSHR_UN_IMM:
1006 case OP_IDIV_UN_IMM:
1008 case OP_IREM_UN_IMM:
1013 #if SIZEOF_REGISTER == 4
1019 #if SIZEOF_REGISTER == 4
1036 case OP_COMPARE_IMM:
1038 case OP_ICOMPARE_IMM:
1040 case OP_LOCALLOC_IMM:
1043 printf ("%s\n", mono_inst_name (opcode));
1044 g_assert_not_reached ();
1050 * mono_decompose_op_imm:
1052 * Replace the OP_.._IMM INS with its non IMM variant.
1055 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1059 MONO_INST_NEW (cfg, temp, OP_ICONST);
1060 temp->inst_c0 = ins->inst_imm;
1061 temp->dreg = mono_alloc_ireg (cfg);
1062 mono_bblock_insert_before_ins (bb, ins, temp);
1063 ins->opcode = mono_op_imm_to_op (ins->opcode);
1064 if (ins->opcode == OP_LOCALLOC)
1065 ins->sreg1 = temp->dreg;
1067 ins->sreg2 = temp->dreg;
1069 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1073 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1075 if (vreg >= cfg->vreg_to_inst_len) {
1076 MonoInst **tmp = cfg->vreg_to_inst;
1077 int size = cfg->vreg_to_inst_len;
1079 while (vreg >= cfg->vreg_to_inst_len)
1080 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1081 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1083 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1085 cfg->vreg_to_inst [vreg] = inst;
1088 #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)))
1089 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1094 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1102 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1105 int num = cfg->num_varinfo;
1108 if ((num + 1) >= cfg->varinfo_count) {
1109 int orig_count = cfg->varinfo_count;
1110 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1111 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1112 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1113 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1116 cfg->stat_allocate_var++;
1118 MONO_INST_NEW (cfg, inst, opcode);
1119 inst->inst_c0 = num;
1120 inst->inst_vtype = type;
1121 inst->klass = mono_class_from_mono_type (type);
1122 type_to_eval_stack_type (cfg, type, inst);
1123 /* if set to 1 the variable is native */
1124 inst->backend.is_pinvoke = 0;
1127 if (cfg->compute_gc_maps) {
1129 mono_mark_vreg_as_mp (cfg, vreg);
1131 MonoType *t = mini_type_get_underlying_type (NULL, type);
1132 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1133 inst->flags |= MONO_INST_GC_TRACK;
1134 mono_mark_vreg_as_ref (cfg, vreg);
1139 cfg->varinfo [num] = inst;
1141 MONO_INIT_VARINFO (&cfg->vars [num], num);
1142 MONO_VARINFO (cfg, num)->vreg = vreg;
1145 set_vreg_to_inst (cfg, vreg, inst);
1147 #if SIZEOF_REGISTER == 4
1148 #ifdef MONO_ARCH_SOFT_FLOAT
1149 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1151 regpair = mono_type_is_long (type);
1161 * These two cannot be allocated using create_var_for_vreg since that would
1162 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1166 * Set flags to VOLATILE so SSA skips it.
1169 if (cfg->verbose_level >= 4) {
1170 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1173 #ifdef MONO_ARCH_SOFT_FLOAT
1174 if (cfg->opt & MONO_OPT_SSA) {
1175 if (mono_type_is_float (type))
1176 inst->flags = MONO_INST_VOLATILE;
1180 /* Allocate a dummy MonoInst for the first vreg */
1181 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1182 tree->dreg = inst->dreg + 1;
1183 if (cfg->opt & MONO_OPT_SSA)
1184 tree->flags = MONO_INST_VOLATILE;
1185 tree->inst_c0 = num;
1186 tree->type = STACK_I4;
1187 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1188 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1190 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1192 /* Allocate a dummy MonoInst for the second vreg */
1193 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1194 tree->dreg = inst->dreg + 2;
1195 if (cfg->opt & MONO_OPT_SSA)
1196 tree->flags = MONO_INST_VOLATILE;
1197 tree->inst_c0 = num;
1198 tree->type = STACK_I4;
1199 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1200 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1202 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1206 if (cfg->verbose_level > 2)
1207 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1212 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1216 if (mono_type_is_long (type))
1217 dreg = mono_alloc_dreg (cfg, STACK_I8);
1218 #ifdef MONO_ARCH_SOFT_FLOAT
1219 else if (mono_type_is_float (type))
1220 dreg = mono_alloc_dreg (cfg, STACK_R8);
1223 /* All the others are unified */
1224 dreg = mono_alloc_preg (cfg);
1226 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1230 * Transform a MonoInst into a load from the variable of index var_index.
1233 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1234 memset (dest, 0, sizeof (MonoInst));
1235 dest->inst_i0 = cfg->varinfo [var_index];
1236 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1237 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1238 dest->klass = dest->inst_i0->klass;
1244 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1246 if (vreg >= cfg->vreg_is_ref_len) {
1247 gboolean *tmp = cfg->vreg_is_ref;
1248 int size = cfg->vreg_is_ref_len;
1250 while (vreg >= cfg->vreg_is_ref_len)
1251 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1252 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1254 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1256 cfg->vreg_is_ref [vreg] = TRUE;
1260 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1262 if (vreg >= cfg->vreg_is_mp_len) {
1263 gboolean *tmp = cfg->vreg_is_mp;
1264 int size = cfg->vreg_is_mp_len;
1266 while (vreg >= cfg->vreg_is_mp_len)
1267 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1268 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1270 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1272 cfg->vreg_is_mp [vreg] = TRUE;
1276 type_from_stack_type (MonoInst *ins) {
1277 switch (ins->type) {
1278 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1279 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1280 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1281 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1284 * this if used to be commented without any specific reason, but
1285 * it breaks #80235 when commented
1288 return &ins->klass->this_arg;
1290 return &mono_defaults.object_class->this_arg;
1292 /* ins->klass may not be set for ldnull.
1293 * Also, if we have a boxed valuetype, we want an object lass,
1294 * not the valuetype class
1296 if (ins->klass && !ins->klass->valuetype)
1297 return &ins->klass->byval_arg;
1298 return &mono_defaults.object_class->byval_arg;
1299 case STACK_VTYPE: return &ins->klass->byval_arg;
1301 g_error ("stack type %d to montype not handled\n", ins->type);
1307 mono_type_from_stack_type (MonoInst *ins) {
1308 return type_from_stack_type (ins);
1312 * mono_add_ins_to_end:
1314 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1317 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1322 MONO_ADD_INS (bb, inst);
1326 switch (bb->last_ins->opcode) {
1340 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1343 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1344 /* Need to insert the ins before the compare */
1345 if (bb->code == bb->last_ins) {
1346 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1350 if (bb->code->next == bb->last_ins) {
1351 /* Only two instructions */
1352 opcode = bb->code->opcode;
1354 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)) {
1356 mono_bblock_insert_before_ins (bb, bb->code, inst);
1358 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1361 opcode = bb->last_ins->prev->opcode;
1363 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)) {
1365 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1367 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1372 MONO_ADD_INS (bb, inst);
1378 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1380 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1381 MonoJumpInfoBBTable *table;
1383 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1385 table->table_size = num_blocks;
1387 ji->ip.label = label;
1388 ji->type = MONO_PATCH_INFO_SWITCH;
1389 ji->data.table = table;
1390 ji->next = cfg->patch_info;
1391 cfg->patch_info = ji;
1394 static MonoMethodSignature *
1395 mono_get_array_new_va_signature (int arity)
1397 static GHashTable *sighash = NULL;
1398 MonoMethodSignature *res;
1403 sighash = g_hash_table_new (NULL, NULL);
1405 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1410 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1413 #ifdef MONO_ARCH_VARARG_ICALLS
1414 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1415 res->call_convention = MONO_CALL_VARARG;
1419 res->call_convention = MONO_CALL_C;
1422 res->params [0] = &mono_defaults.int_class->byval_arg;
1423 for (i = 0; i < arity; i++)
1424 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1426 res->ret = &mono_defaults.object_class->byval_arg;
1428 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1435 mono_get_array_new_va_icall (int rank)
1437 MonoMethodSignature *esig;
1438 char icall_name [256];
1440 MonoJitICallInfo *info;
1442 /* Need to register the icall so it gets an icall wrapper */
1443 sprintf (icall_name, "ves_array_new_va_%d", rank);
1446 info = mono_find_jit_icall_by_name (icall_name);
1448 esig = mono_get_array_new_va_signature (rank);
1449 name = g_strdup (icall_name);
1450 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1452 g_hash_table_insert (jit_icall_name_hash, name, name);
1460 mini_class_is_system_array (MonoClass *klass)
1462 if (klass->parent == mono_defaults.array_class)
1469 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1471 MonoAssembly *assembly = method->klass->image->assembly;
1472 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1474 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1476 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1478 return mono_assembly_has_skip_verification (assembly);
1482 * mini_method_verify:
1484 * Verify the method using the new verfier.
1486 * Returns true if the method is invalid.
1489 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1492 gboolean is_fulltrust;
1493 MonoLoaderError *error;
1495 if (method->verification_success)
1498 if (!mono_verifier_is_enabled_for_method (method))
1501 /*skip verification implies the assembly must be */
1502 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1504 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1506 if ((error = mono_loader_get_last_error ())) {
1508 cfg->exception_type = error->exception_type;
1510 mono_loader_clear_error ();
1512 mono_free_verify_list (res);
1517 for (tmp = res; tmp; tmp = tmp->next) {
1518 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1519 if (info->info.status == MONO_VERIFY_ERROR) {
1521 char *method_name = mono_method_full_name (method, TRUE);
1522 cfg->exception_type = info->exception_type;
1523 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1524 g_free (method_name);
1526 mono_free_verify_list (res);
1529 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1531 char *method_name = mono_method_full_name (method, TRUE);
1532 cfg->exception_type = info->exception_type;
1533 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1534 g_free (method_name);
1536 mono_free_verify_list (res);
1540 mono_free_verify_list (res);
1542 method->verification_success = 1;
1546 /*Returns true if something went wrong*/
1548 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1550 MonoMethod *method_definition = method;
1551 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1553 while (method_definition->is_inflated) {
1554 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1555 method_definition = imethod->declaring;
1558 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1561 static gconstpointer
1562 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1565 MonoMethod *wrapper;
1566 gconstpointer trampoline;
1567 MonoDomain *domain = mono_get_root_domain ();
1569 if (callinfo->wrapper) {
1570 return callinfo->wrapper;
1573 if (callinfo->trampoline)
1574 return callinfo->trampoline;
1577 * We use the lock on the root domain instead of the JIT lock to protect
1578 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1580 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1581 mono_domain_lock (domain);
1583 if (callinfo->trampoline) {
1584 mono_domain_unlock (domain);
1585 mono_loader_unlock ();
1586 return callinfo->trampoline;
1589 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1590 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1594 trampoline = mono_compile_method (wrapper);
1596 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1597 mono_register_jit_icall_wrapper (callinfo, trampoline);
1599 callinfo->trampoline = trampoline;
1601 mono_domain_unlock (domain);
1602 mono_loader_unlock ();
1604 return callinfo->trampoline;
1608 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1610 return mono_icall_get_wrapper_full (callinfo, FALSE);
1614 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1616 if (!domain_jit_info (domain)->dynamic_code_hash)
1617 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1618 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1621 static MonoJitDynamicMethodInfo*
1622 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1624 MonoJitDynamicMethodInfo *res;
1626 if (domain_jit_info (domain)->dynamic_code_hash)
1627 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1635 GList *active, *inactive;
1640 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1642 MonoMethodVar *v1 = (MonoMethodVar*)a;
1643 MonoMethodVar *v2 = (MonoMethodVar*)b;
1647 else if (v1->interval->range && v2->interval->range)
1648 return v1->interval->range->from - v2->interval->range->from;
1649 else if (v1->interval->range)
1658 #define LSCAN_DEBUG(a) do { a; } while (0)
1660 #define LSCAN_DEBUG(a)
1664 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1666 int i, slot, offset, size;
1671 GList *vars = NULL, *l, *unhandled;
1672 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1675 gboolean reuse_slot;
1677 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1679 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1680 vtype_stack_slots = NULL;
1683 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1684 for (i = 0; i < cfg->num_varinfo; ++i)
1687 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1688 inst = cfg->varinfo [i];
1689 vmv = MONO_VARINFO (cfg, i);
1691 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1694 vars = g_list_prepend (vars, vmv);
1697 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1702 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1703 MonoMethodVar *current = unhandled->data;
1705 if (current->interval->range) {
1706 g_assert (current->interval->range->from >= i);
1707 i = current->interval->range->from;
1714 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1715 MonoMethodVar *current = unhandled->data;
1718 inst = cfg->varinfo [vmv->idx];
1720 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1721 * pinvoke wrappers when they call functions returning structures */
1722 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1723 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1728 size = mono_type_size (inst->inst_vtype, &ialign);
1731 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1736 if (cfg->disable_reuse_stack_slots)
1739 t = mono_type_get_underlying_type (inst->inst_vtype);
1741 case MONO_TYPE_GENERICINST:
1742 if (!mono_type_generic_inst_is_valuetype (t)) {
1743 slot_info = &scalar_stack_slots [t->type];
1747 case MONO_TYPE_VALUETYPE:
1748 if (!vtype_stack_slots)
1749 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1750 for (i = 0; i < nvtypes; ++i)
1751 if (t->data.klass == vtype_stack_slots [i].vtype)
1754 slot_info = &vtype_stack_slots [i];
1756 g_assert (nvtypes < 256);
1757 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1758 slot_info = &vtype_stack_slots [nvtypes];
1761 if (cfg->disable_reuse_ref_stack_slots)
1768 #if SIZEOF_VOID_P == 4
1773 if (cfg->disable_ref_noref_stack_slot_share) {
1774 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1779 case MONO_TYPE_CLASS:
1780 case MONO_TYPE_OBJECT:
1781 case MONO_TYPE_ARRAY:
1782 case MONO_TYPE_SZARRAY:
1783 case MONO_TYPE_STRING:
1784 /* Share non-float stack slots of the same size */
1785 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1786 if (cfg->disable_reuse_ref_stack_slots)
1791 slot_info = &scalar_stack_slots [t->type];
1795 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1799 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1801 if (!current->interval->range) {
1802 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1806 inst->flags |= MONO_INST_IS_DEAD;
1811 pos = current->interval->range->from;
1813 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1814 if (current->interval->range)
1815 LSCAN_DEBUG (mono_linterval_print (current->interval));
1816 LSCAN_DEBUG (printf ("\n"));
1818 /* Check for intervals in active which expired or inactive */
1820 /* FIXME: Optimize this */
1823 for (l = slot_info->active; l != NULL; l = l->next) {
1824 MonoMethodVar *v = (MonoMethodVar*)l->data;
1826 if (v->interval->last_range->to < pos) {
1827 slot_info->active = g_list_delete_link (slot_info->active, l);
1828 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1829 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1833 else if (!mono_linterval_covers (v->interval, pos)) {
1834 slot_info->inactive = g_list_append (slot_info->inactive, v);
1835 slot_info->active = g_list_delete_link (slot_info->active, l);
1836 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1843 /* Check for intervals in inactive which expired or active */
1845 /* FIXME: Optimize this */
1848 for (l = slot_info->inactive; l != NULL; l = l->next) {
1849 MonoMethodVar *v = (MonoMethodVar*)l->data;
1851 if (v->interval->last_range->to < pos) {
1852 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1853 // FIXME: Enabling this seems to cause impossible to debug crashes
1854 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1855 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1859 else if (mono_linterval_covers (v->interval, pos)) {
1860 slot_info->active = g_list_append (slot_info->active, v);
1861 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1862 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1870 * This also handles the case when the variable is used in an
1871 * exception region, as liveness info is not computed there.
1874 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1877 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1878 if (slot_info->slots) {
1879 slot = GPOINTER_TO_INT (slot_info->slots->data);
1881 slot_info->slots = slot_info->slots->next;
1884 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1886 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1892 static int count = 0;
1895 if (count == atoi (getenv ("COUNT3")))
1896 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1897 if (count > atoi (getenv ("COUNT3")))
1900 mono_print_ins (inst);
1905 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1907 if (inst->flags & MONO_INST_LMF) {
1908 size = sizeof (MonoLMF);
1909 align = sizeof (mgreg_t);
1916 if (slot == 0xffffff) {
1918 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1919 * efficient copying (and to work around the fact that OP_MEMCPY
1920 * and OP_MEMSET ignores alignment).
1922 if (MONO_TYPE_ISSTRUCT (t)) {
1923 align = MAX (align, sizeof (gpointer));
1924 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1929 offset += align - 1;
1930 offset &= ~(align - 1);
1934 offset += align - 1;
1935 offset &= ~(align - 1);
1940 if (*stack_align == 0)
1941 *stack_align = align;
1944 offsets [vmv->idx] = slot;
1947 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1948 if (scalar_stack_slots [i].active)
1949 g_list_free (scalar_stack_slots [i].active);
1951 for (i = 0; i < nvtypes; ++i) {
1952 if (vtype_stack_slots [i].active)
1953 g_list_free (vtype_stack_slots [i].active);
1956 cfg->stat_locals_stack_size += offset;
1958 *stack_size = offset;
1963 * mono_allocate_stack_slots:
1965 * Allocate stack slots for all non register allocated variables using a
1966 * linear scan algorithm.
1967 * Returns: an array of stack offsets.
1968 * STACK_SIZE is set to the amount of stack space needed.
1969 * STACK_ALIGN is set to the alignment needed by the locals area.
1972 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1974 int i, slot, offset, size;
1979 GList *vars = NULL, *l;
1980 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1983 gboolean reuse_slot;
1985 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1986 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
1988 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1989 vtype_stack_slots = NULL;
1992 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1993 for (i = 0; i < cfg->num_varinfo; ++i)
1996 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1997 inst = cfg->varinfo [i];
1998 vmv = MONO_VARINFO (cfg, i);
2000 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2003 vars = g_list_prepend (vars, vmv);
2006 vars = mono_varlist_sort (cfg, vars, 0);
2008 *stack_align = sizeof(mgreg_t);
2009 for (l = vars; l; l = l->next) {
2011 inst = cfg->varinfo [vmv->idx];
2013 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2014 * pinvoke wrappers when they call functions returning structures */
2015 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
2016 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
2020 size = mono_type_size (inst->inst_vtype, &ialign);
2023 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
2028 if (cfg->disable_reuse_stack_slots)
2031 t = mono_type_get_underlying_type (inst->inst_vtype);
2033 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2036 case MONO_TYPE_GENERICINST:
2037 if (!mono_type_generic_inst_is_valuetype (t)) {
2038 slot_info = &scalar_stack_slots [t->type];
2042 case MONO_TYPE_VALUETYPE:
2043 if (!vtype_stack_slots)
2044 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2045 for (i = 0; i < nvtypes; ++i)
2046 if (t->data.klass == vtype_stack_slots [i].vtype)
2049 slot_info = &vtype_stack_slots [i];
2051 g_assert (nvtypes < 256);
2052 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2053 slot_info = &vtype_stack_slots [nvtypes];
2056 if (cfg->disable_reuse_ref_stack_slots)
2063 #if SIZEOF_VOID_P == 4
2068 if (cfg->disable_ref_noref_stack_slot_share) {
2069 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2074 case MONO_TYPE_CLASS:
2075 case MONO_TYPE_OBJECT:
2076 case MONO_TYPE_ARRAY:
2077 case MONO_TYPE_SZARRAY:
2078 case MONO_TYPE_STRING:
2079 /* Share non-float stack slots of the same size */
2080 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2081 if (cfg->disable_reuse_ref_stack_slots)
2086 slot_info = &scalar_stack_slots [t->type];
2091 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2092 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2094 /* expire old intervals in active */
2095 while (slot_info->active) {
2096 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2098 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2101 //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);
2103 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2104 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2108 * This also handles the case when the variable is used in an
2109 * exception region, as liveness info is not computed there.
2112 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2115 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2116 if (slot_info->slots) {
2117 slot = GPOINTER_TO_INT (slot_info->slots->data);
2119 slot_info->slots = slot_info->slots->next;
2122 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2127 static int count = 0;
2131 if (count == atoi (getenv ("COUNT")))
2132 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2133 if (count > atoi (getenv ("COUNT")))
2136 mono_print_ins (inst);
2141 if (inst->flags & MONO_INST_LMF) {
2143 * This variable represents a MonoLMF structure, which has no corresponding
2144 * CLR type, so hard-code its size/alignment.
2146 size = sizeof (MonoLMF);
2147 align = sizeof (mgreg_t);
2154 if (slot == 0xffffff) {
2156 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2157 * efficient copying (and to work around the fact that OP_MEMCPY
2158 * and OP_MEMSET ignores alignment).
2160 if (MONO_TYPE_ISSTRUCT (t)) {
2161 align = MAX (align, sizeof (gpointer));
2162 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2164 * Align the size too so the code generated for passing vtypes in
2165 * registers doesn't overwrite random locals.
2167 size = (size + (align - 1)) & ~(align -1);
2172 offset += align - 1;
2173 offset &= ~(align - 1);
2177 offset += align - 1;
2178 offset &= ~(align - 1);
2183 *stack_align = MAX (*stack_align, align);
2186 offsets [vmv->idx] = slot;
2189 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2190 if (scalar_stack_slots [i].active)
2191 g_list_free (scalar_stack_slots [i].active);
2193 for (i = 0; i < nvtypes; ++i) {
2194 if (vtype_stack_slots [i].active)
2195 g_list_free (vtype_stack_slots [i].active);
2198 cfg->stat_locals_stack_size += offset;
2200 *stack_size = offset;
2207 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2209 g_assert_not_reached ();
2213 #endif /* DISABLE_JIT */
2215 #define EMUL_HIT_SHIFT 3
2216 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2217 /* small hit bitmap cache */
2218 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2219 static short emul_opcode_num = 0;
2220 static short emul_opcode_alloced = 0;
2221 static short *emul_opcode_opcodes = NULL;
2222 static MonoJitICallInfo **emul_opcode_map = NULL;
2225 mono_find_jit_opcode_emulation (int opcode)
2227 g_assert (opcode >= 0 && opcode <= OP_LAST);
2228 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2230 for (i = 0; i < emul_opcode_num; ++i) {
2231 if (emul_opcode_opcodes [i] == opcode)
2232 return emul_opcode_map [i];
2239 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
2241 MonoJitICallInfo *info;
2242 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2244 g_assert (!sig->hasthis);
2245 g_assert (sig->param_count < 3);
2247 info = mono_register_jit_icall (func, name, sig, no_throw);
2249 if (emul_opcode_num >= emul_opcode_alloced) {
2250 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2251 emul_opcode_alloced += incr;
2252 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2253 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2255 emul_opcode_map [emul_opcode_num] = info;
2256 emul_opcode_opcodes [emul_opcode_num] = opcode;
2258 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2262 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2264 MonoMethodSignature *sig;
2267 sig = mono_create_icall_signature (sigstr);
2271 mono_register_jit_icall (func, name, sig, save);
2275 print_dfn (MonoCompile *cfg) {
2282 char *method_name = mono_method_full_name (cfg->method, TRUE);
2283 g_print ("IR code for method %s\n", method_name);
2284 g_free (method_name);
2287 for (i = 0; i < cfg->num_bblocks; ++i) {
2288 bb = cfg->bblocks [i];
2289 /*if (bb->cil_code) {
2290 char* code1, *code2;
2291 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2292 if (bb->last_ins->cil_code)
2293 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2295 code2 = g_strdup ("");
2297 code1 [strlen (code1) - 1] = 0;
2298 code = g_strdup_printf ("%s -> %s", code1, code2);
2302 code = g_strdup ("\n");
2303 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2304 MONO_BB_FOR_EACH_INS (bb, c) {
2305 mono_print_ins_index (-1, c);
2308 g_print ("\tprev:");
2309 for (j = 0; j < bb->in_count; ++j) {
2310 g_print (" BB%d", bb->in_bb [j]->block_num);
2312 g_print ("\t\tsucc:");
2313 for (j = 0; j < bb->out_count; ++j) {
2314 g_print (" BB%d", bb->out_bb [j]->block_num);
2316 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2319 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2322 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2324 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2332 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2334 MONO_ADD_INS (bb, inst);
2338 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2342 bb->code = ins_to_insert;
2344 /* Link with next */
2345 ins_to_insert->next = ins;
2347 ins->prev = ins_to_insert;
2349 if (bb->last_ins == NULL)
2350 bb->last_ins = ins_to_insert;
2352 /* Link with next */
2353 ins_to_insert->next = ins->next;
2355 ins->next->prev = ins_to_insert;
2357 /* Link with previous */
2358 ins->next = ins_to_insert;
2359 ins_to_insert->prev = ins;
2361 if (bb->last_ins == ins)
2362 bb->last_ins = ins_to_insert;
2367 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2372 ins->prev = ins_to_insert;
2373 bb->code = ins_to_insert;
2374 ins_to_insert->next = ins;
2375 if (bb->last_ins == NULL)
2376 bb->last_ins = ins_to_insert;
2378 /* Link with previous */
2380 ins->prev->next = ins_to_insert;
2381 ins_to_insert->prev = ins->prev;
2383 /* Link with next */
2384 ins->prev = ins_to_insert;
2385 ins_to_insert->next = ins;
2387 if (bb->code == ins)
2388 bb->code = ins_to_insert;
2393 * mono_verify_bblock:
2395 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2398 mono_verify_bblock (MonoBasicBlock *bb)
2400 MonoInst *ins, *prev;
2403 for (ins = bb->code; ins; ins = ins->next) {
2404 g_assert (ins->prev == prev);
2408 g_assert (!bb->last_ins->next);
2414 * Perform consistency checks on the JIT data structures and the IR
2417 mono_verify_cfg (MonoCompile *cfg)
2421 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2422 mono_verify_bblock (bb);
2426 mono_destroy_compile (MonoCompile *cfg)
2431 mono_metadata_free_mh (cfg->header);
2432 //mono_mempool_stats (cfg->mempool);
2433 mono_free_loop_info (cfg);
2435 mono_regstate_free (cfg->rs);
2437 g_hash_table_destroy (cfg->spvars);
2439 g_hash_table_destroy (cfg->exvars);
2440 for (l = cfg->headers_to_free; l; l = l->next)
2441 mono_metadata_free_mh (l->data);
2442 g_list_free (cfg->ldstr_list);
2443 g_hash_table_destroy (cfg->token_info_hash);
2444 if (cfg->abs_patches)
2445 g_hash_table_destroy (cfg->abs_patches);
2446 mono_mempool_destroy (cfg->mempool);
2448 mono_debug_free_method (cfg);
2450 g_free (cfg->varinfo);
2452 g_free (cfg->exception_message);
2456 #ifdef MONO_HAVE_FAST_TLS
2457 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2458 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2460 * When this is defined, the current lmf is stored in this tls variable instead of in
2463 MONO_FAST_TLS_DECLARE(mono_lmf);
2468 mono_get_jit_tls_key (void)
2470 return mono_jit_tls_id;
2474 mono_get_jit_tls_offset (void)
2477 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2482 mono_get_lmf_tls_offset (void)
2484 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2486 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2494 mono_get_lmf_addr_tls_offset (void)
2497 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2504 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2505 return MONO_FAST_TLS_GET (mono_lmf);
2507 MonoJitTlsData *jit_tls;
2509 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2510 return jit_tls->lmf;
2512 * We do not assert here because this function can be called from
2513 * mini-gc.c on a thread that has not executed any managed code, yet
2514 * (the thread object allocation can trigger a collection).
2521 mono_get_lmf_addr (void)
2523 #ifdef MONO_HAVE_FAST_TLS
2524 return MONO_FAST_TLS_GET (mono_lmf_addr);
2526 MonoJitTlsData *jit_tls;
2528 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2529 return &jit_tls->lmf;
2532 * When resolving the call to mono_jit_thread_attach full-aot will look
2533 * in the plt, which causes a call into the generic trampoline, which in turn
2534 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2535 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2536 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2539 mono_jit_thread_attach (NULL);
2541 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2542 return &jit_tls->lmf;
2544 g_assert_not_reached ();
2550 mono_set_lmf (MonoLMF *lmf)
2552 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2553 MONO_FAST_TLS_SET (mono_lmf, lmf);
2556 (*mono_get_lmf_addr ()) = lmf;
2560 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2562 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2564 #ifdef MONO_HAVE_FAST_TLS
2565 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2570 mono_set_lmf_addr (gpointer lmf_addr)
2572 #ifdef MONO_HAVE_FAST_TLS
2573 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2578 * mono_jit_thread_attach:
2580 * Called by native->managed wrappers. Returns the original domain which needs to be
2581 * restored, or NULL.
2584 mono_jit_thread_attach (MonoDomain *domain)
2590 * Happens when called from AOTed code which is only used in the root
2593 domain = mono_get_root_domain ();
2595 #ifdef MONO_HAVE_FAST_TLS
2596 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2597 mono_thread_attach (domain);
2599 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2602 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2603 mono_thread_attach (domain);
2604 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2607 orig = mono_domain_get ();
2609 mono_domain_set (domain, TRUE);
2611 return orig != domain ? orig : NULL;
2614 /* Called by native->managed wrappers */
2616 mono_jit_set_domain (MonoDomain *domain)
2619 mono_domain_set (domain, TRUE);
2623 * mono_thread_abort:
2624 * @obj: exception object
2626 * abort the thread, print exception information and stack trace
2629 mono_thread_abort (MonoObject *obj)
2631 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2633 /* handle_remove should be eventually called for this thread, too
2636 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2637 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2638 mono_thread_exit ();
2640 MonoObject *other = NULL;
2641 MonoString *str = mono_object_to_string (obj, &other);
2643 char *msg = mono_string_to_utf8 (str);
2644 fprintf (stderr, "[ERROR] FATAL UNHANDLED EXCEPTION: %s\n", msg);
2649 exit (mono_environment_exitcode_get ());
2654 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2656 MonoJitTlsData *jit_tls;
2659 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2663 jit_tls = g_new0 (MonoJitTlsData, 1);
2665 jit_tls->abort_func = abort_func;
2666 jit_tls->end_of_stack = stack_start;
2668 mono_set_jit_tls (jit_tls);
2670 lmf = g_new0 (MonoLMF, 1);
2671 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2673 jit_tls->first_lmf = lmf;
2675 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2676 /* jit_tls->lmf is unused */
2677 MONO_FAST_TLS_SET (mono_lmf, lmf);
2678 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2680 mono_set_lmf_addr (&jit_tls->lmf);
2685 mono_setup_altstack (jit_tls);
2691 free_jit_tls_data (MonoJitTlsData *jit_tls)
2693 mono_arch_free_jit_tls_data (jit_tls);
2694 mono_free_altstack (jit_tls);
2696 g_free (jit_tls->first_lmf);
2701 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2703 MonoInternalThread *thread;
2704 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2705 thread = mono_thread_internal_current ();
2706 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2708 thread->jit_data = jit_tls;
2710 mono_arch_cpu_init ();
2713 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2716 mono_thread_abort_dummy (MonoObject *obj)
2718 if (mono_thread_attach_aborted_cb)
2719 mono_thread_attach_aborted_cb (obj);
2721 mono_thread_abort (obj);
2725 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2727 MonoInternalThread *thread;
2728 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2729 thread = mono_thread_internal_current ();
2730 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2732 thread->jit_data = jit_tls;
2733 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2734 mono_runtime_setup_stat_profiler ();
2736 mono_arch_cpu_init ();
2740 mini_thread_cleanup (MonoInternalThread *thread)
2742 MonoJitTlsData *jit_tls = thread->jit_data;
2745 mono_debugger_thread_cleanup (jit_tls);
2747 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2748 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2749 * not a trivial thing.
2751 * The current offender is mono_thread_manage which cleanup threads from the outside.
2753 if (thread == mono_thread_internal_current ())
2754 mono_set_jit_tls (NULL);
2756 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2757 if (mono_get_lmf ()) {
2758 mono_set_lmf (NULL);
2759 mono_set_lmf_addr (NULL);
2762 free_jit_tls_data (jit_tls);
2764 thread->jit_data = NULL;
2769 mono_create_tls_get (MonoCompile *cfg, int offset)
2771 #ifdef MONO_ARCH_HAVE_TLS_GET
2772 if (MONO_ARCH_HAVE_TLS_GET) {
2778 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2779 ins->dreg = mono_alloc_preg (cfg);
2780 ins->inst_offset = offset;
2788 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2790 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2794 mono_get_domain_intrinsic (MonoCompile* cfg)
2796 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2800 mono_get_thread_intrinsic (MonoCompile* cfg)
2802 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2806 mono_get_lmf_intrinsic (MonoCompile* cfg)
2808 return mono_create_tls_get (cfg, mono_get_lmf_tls_offset ());
2812 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2814 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2818 ji->data.target = target;
2819 ji->next = cfg->patch_info;
2821 cfg->patch_info = ji;
2825 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2827 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2831 ji->data.target = target;
2838 mono_remove_patch_info (MonoCompile *cfg, int ip)
2840 MonoJumpInfo **ji = &cfg->patch_info;
2843 if ((*ji)->ip.i == ip)
2846 ji = &((*ji)->next);
2851 * mono_patch_info_dup_mp:
2853 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2856 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2858 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2859 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2861 switch (patch_info->type) {
2862 case MONO_PATCH_INFO_RVA:
2863 case MONO_PATCH_INFO_LDSTR:
2864 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2865 case MONO_PATCH_INFO_LDTOKEN:
2866 case MONO_PATCH_INFO_DECLSEC:
2867 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2868 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2870 case MONO_PATCH_INFO_SWITCH:
2871 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2872 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2873 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2874 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2876 case MONO_PATCH_INFO_RGCTX_FETCH:
2877 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2878 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2879 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2889 mono_patch_info_hash (gconstpointer data)
2891 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2894 case MONO_PATCH_INFO_RVA:
2895 case MONO_PATCH_INFO_LDSTR:
2896 case MONO_PATCH_INFO_LDTOKEN:
2897 case MONO_PATCH_INFO_DECLSEC:
2898 return (ji->type << 8) | ji->data.token->token;
2899 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2900 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
2901 case MONO_PATCH_INFO_INTERNAL_METHOD:
2902 return (ji->type << 8) | g_str_hash (ji->data.name);
2903 case MONO_PATCH_INFO_VTABLE:
2904 case MONO_PATCH_INFO_CLASS:
2905 case MONO_PATCH_INFO_IID:
2906 case MONO_PATCH_INFO_ADJUSTED_IID:
2907 case MONO_PATCH_INFO_CLASS_INIT:
2908 case MONO_PATCH_INFO_METHODCONST:
2909 case MONO_PATCH_INFO_METHOD:
2910 case MONO_PATCH_INFO_METHOD_JUMP:
2911 case MONO_PATCH_INFO_IMAGE:
2912 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2913 case MONO_PATCH_INFO_FIELD:
2914 case MONO_PATCH_INFO_SFLDA:
2915 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2916 return (ji->type << 8) | (gssize)ji->data.target;
2918 return (ji->type << 8);
2923 * mono_patch_info_equal:
2925 * This might fail to recognize equivalent patches, i.e. floats, so its only
2926 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2930 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2932 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2933 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2935 if (ji1->type != ji2->type)
2938 switch (ji1->type) {
2939 case MONO_PATCH_INFO_RVA:
2940 case MONO_PATCH_INFO_LDSTR:
2941 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2942 case MONO_PATCH_INFO_LDTOKEN:
2943 case MONO_PATCH_INFO_DECLSEC:
2944 if ((ji1->data.token->image != ji2->data.token->image) ||
2945 (ji1->data.token->token != ji2->data.token->token) ||
2946 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2947 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2948 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2951 case MONO_PATCH_INFO_INTERNAL_METHOD:
2952 return g_str_equal (ji1->data.name, ji2->data.name);
2954 case MONO_PATCH_INFO_RGCTX_FETCH: {
2955 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2956 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2958 return e1->method == e2->method && e1->in_mrgctx == e2->in_mrgctx && e1->info_type == e2->info_type && mono_patch_info_equal (e1->data, e2->data);
2961 if (ji1->data.target != ji2->data.target)
2970 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2972 unsigned char *ip = patch_info->ip.i + code;
2973 gconstpointer target = NULL;
2975 switch (patch_info->type) {
2976 case MONO_PATCH_INFO_BB:
2978 * FIXME: This could be hit for methods without a prolog. Should use -1
2979 * but too much code depends on a 0 initial value.
2981 //g_assert (patch_info->data.bb->native_offset);
2982 target = patch_info->data.bb->native_offset + code;
2984 case MONO_PATCH_INFO_ABS:
2985 target = patch_info->data.target;
2987 case MONO_PATCH_INFO_LABEL:
2988 target = patch_info->data.inst->inst_c0 + code;
2990 case MONO_PATCH_INFO_IP:
2991 #if defined(__native_client__) && defined(__native_client_codegen__)
2992 /* Need to transform to the destination address, it's */
2993 /* emitted as an immediate in the code. */
2994 target = nacl_inverse_modify_patch_target(ip);
2999 case MONO_PATCH_INFO_METHOD_REL:
3000 target = code + patch_info->data.offset;
3002 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3003 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3005 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3006 g_assert_not_reached ();
3008 target = mono_icall_get_wrapper (mi);
3011 case MONO_PATCH_INFO_METHOD_JUMP:
3012 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3013 #if defined(__native_client__) && defined(__native_client_codegen__)
3014 #if defined(TARGET_AMD64)
3015 /* This target is an absolute address, not relative to the */
3016 /* current code being emitted on AMD64. */
3017 target = nacl_inverse_modify_patch_target(target);
3021 case MONO_PATCH_INFO_METHOD:
3022 if (patch_info->data.method == method) {
3025 /* get the trampoline to the method from the domain */
3026 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3029 case MONO_PATCH_INFO_SWITCH: {
3030 gpointer *jump_table;
3033 #if defined(__native_client__) && defined(__native_client_codegen__)
3034 /* This memory will leak, but we don't care if we're */
3035 /* not deleting JIT'd methods anyway */
3036 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3038 if (method && method->dynamic) {
3039 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3041 if (mono_aot_only) {
3042 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3044 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3049 for (i = 0; i < patch_info->data.table->table_size; i++) {
3050 #if defined(__native_client__) && defined(__native_client_codegen__)
3051 /* 'code' is relative to the current code blob, we */
3052 /* need to do this transform on it to make the */
3053 /* pointers in this table absolute */
3054 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3056 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3060 #if defined(__native_client__) && defined(__native_client_codegen__)
3061 /* jump_table is in the data section, we need to transform */
3062 /* it here so when it gets modified in amd64_patch it will */
3063 /* then point back to the absolute data address */
3064 target = nacl_inverse_modify_patch_target (jump_table);
3066 target = jump_table;
3070 case MONO_PATCH_INFO_METHODCONST:
3071 case MONO_PATCH_INFO_CLASS:
3072 case MONO_PATCH_INFO_IMAGE:
3073 case MONO_PATCH_INFO_FIELD:
3074 case MONO_PATCH_INFO_SIGNATURE:
3075 target = patch_info->data.target;
3077 case MONO_PATCH_INFO_IID:
3078 mono_class_init (patch_info->data.klass);
3079 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3081 case MONO_PATCH_INFO_ADJUSTED_IID:
3082 mono_class_init (patch_info->data.klass);
3083 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3085 case MONO_PATCH_INFO_VTABLE:
3086 target = mono_class_vtable (domain, patch_info->data.klass);
3089 case MONO_PATCH_INFO_CLASS_INIT: {
3090 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3093 target = mono_create_class_init_trampoline (vtable);
3096 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3097 target = mono_create_delegate_trampoline (domain, patch_info->data.klass);
3099 case MONO_PATCH_INFO_SFLDA: {
3100 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3102 if (mono_class_field_is_special_static (patch_info->data.field)) {
3103 gpointer addr = NULL;
3105 mono_domain_lock (domain);
3106 if (domain->special_static_fields)
3107 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3108 mono_domain_unlock (domain);
3114 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3115 /* Done by the generated code */
3119 mono_runtime_class_init (vtable);
3121 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3124 case MONO_PATCH_INFO_RVA: {
3125 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3128 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3129 target = mono_image_rva_map (patch_info->data.token->image, rva);
3132 case MONO_PATCH_INFO_R4:
3133 case MONO_PATCH_INFO_R8:
3134 target = patch_info->data.target;
3136 case MONO_PATCH_INFO_EXC_NAME:
3137 target = patch_info->data.name;
3139 case MONO_PATCH_INFO_LDSTR:
3141 mono_ldstr (domain, patch_info->data.token->image,
3142 mono_metadata_token_index (patch_info->data.token->token));
3144 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3146 MonoClass *handle_class;
3148 handle = mono_ldtoken (patch_info->data.token->image,
3149 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3150 mono_class_init (handle_class);
3151 mono_class_init (mono_class_from_mono_type (handle));
3154 mono_type_get_object (domain, handle);
3157 case MONO_PATCH_INFO_LDTOKEN: {
3159 MonoClass *handle_class;
3161 handle = mono_ldtoken (patch_info->data.token->image,
3162 patch_info->data.token->token, &handle_class, NULL);
3163 mono_class_init (handle_class);
3168 case MONO_PATCH_INFO_DECLSEC:
3169 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3171 case MONO_PATCH_INFO_ICALL_ADDR:
3172 /* run_cctors == 0 -> AOT */
3173 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3174 const char *exc_class;
3175 const char *exc_arg;
3178 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3181 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3182 g_error ("Unable to resolve pinvoke method '%s' Re-run with MONO_LOG_LEVEL=debug for more information.\n", mono_method_full_name (patch_info->data.method, TRUE));
3188 target = mono_lookup_internal_call (patch_info->data.method);
3190 if (!target && run_cctors)
3191 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3194 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3195 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3197 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3198 g_assert_not_reached ();
3203 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3204 target = mono_thread_interruption_request_flag ();
3206 case MONO_PATCH_INFO_METHOD_RGCTX: {
3207 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3210 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3213 case MONO_PATCH_INFO_BB_OVF:
3214 case MONO_PATCH_INFO_EXC_OVF:
3215 case MONO_PATCH_INFO_GOT_OFFSET:
3216 case MONO_PATCH_INFO_NONE:
3218 case MONO_PATCH_INFO_RGCTX_FETCH: {
3219 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3222 switch (entry->data->type) {
3223 case MONO_PATCH_INFO_CLASS:
3224 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method));
3226 case MONO_PATCH_INFO_METHOD:
3227 case MONO_PATCH_INFO_METHODCONST:
3228 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method));
3230 case MONO_PATCH_INFO_FIELD:
3231 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method));
3234 g_assert_not_reached ();
3238 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3241 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3242 target = mono_create_generic_class_init_trampoline ();
3244 case MONO_PATCH_INFO_MONITOR_ENTER:
3245 target = mono_create_monitor_enter_trampoline ();
3247 case MONO_PATCH_INFO_MONITOR_EXIT:
3248 target = mono_create_monitor_exit_trampoline ();
3250 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3251 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3253 /* AOT, not needed */
3256 target = mono_arch_get_seq_point_info (domain, code);
3259 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3260 #ifdef MONO_ARCH_LLVM_SUPPORTED
3261 g_assert (mono_use_llvm);
3262 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3264 g_assert_not_reached ();
3267 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3268 int card_table_shift_bits;
3269 gpointer card_table_mask;
3271 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3274 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3275 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3279 g_assert_not_reached ();
3282 return (gpointer)target;
3286 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3288 ins->inst_offset = native_offset;
3289 g_ptr_array_add (cfg->seq_points, ins);
3290 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3291 bb->last_seq_point = ins;
3295 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3297 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3300 g_assert (offset == 0);
3302 entry->is_reg = is_reg;
3304 entry->offset = offset;
3308 if (var == cfg->args [0])
3309 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3310 else if (var == cfg->rgctx_var)
3311 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3317 mono_compile_create_vars (MonoCompile *cfg)
3319 MonoMethodSignature *sig;
3320 MonoMethodHeader *header;
3323 header = cfg->header;
3325 sig = mono_method_signature (cfg->method);
3327 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3328 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3329 /* Inhibit optimizations */
3330 cfg->ret->flags |= MONO_INST_VOLATILE;
3332 if (cfg->verbose_level > 2)
3333 g_print ("creating vars\n");
3335 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3338 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3340 for (i = 0; i < sig->param_count; ++i) {
3341 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3344 if (cfg->verbose_level > 2) {
3346 printf ("\treturn : ");
3347 mono_print_ins (cfg->ret);
3351 printf ("\tthis: ");
3352 mono_print_ins (cfg->args [0]);
3355 for (i = 0; i < sig->param_count; ++i) {
3356 printf ("\targ [%d]: ", i);
3357 mono_print_ins (cfg->args [i + sig->hasthis]);
3361 cfg->locals_start = cfg->num_varinfo;
3362 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3364 if (cfg->verbose_level > 2)
3365 g_print ("creating locals\n");
3367 for (i = 0; i < header->num_locals; ++i)
3368 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3370 if (cfg->verbose_level > 2)
3371 g_print ("locals done\n");
3373 mono_arch_create_vars (cfg);
3376 #endif /* #ifndef DISABLE_JIT */
3379 mono_print_code (MonoCompile *cfg, const char* msg)
3383 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3384 mono_print_bb (bb, msg);
3390 mono_postprocess_patches (MonoCompile *cfg)
3392 MonoJumpInfo *patch_info;
3395 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3396 switch (patch_info->type) {
3397 case MONO_PATCH_INFO_ABS: {
3398 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3401 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3405 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3406 // FIXME: CLEAN UP THIS MESS.
3407 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
3408 strstr (cfg->method->name, info->name)) {
3410 * This is an icall wrapper, and this is a call to the
3413 if (cfg->compile_aot) {
3414 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
3415 patch_info->data.name = info->name;
3418 /* for these array methods we currently register the same function pointer
3419 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3420 * will return the incorrect one depending on the order they are registered.
3421 * See tests/test-arr.cs
3423 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3424 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3425 patch_info->data.name = info->name;
3430 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3431 if (cfg->abs_patches) {
3432 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3434 patch_info->type = abs_ji->type;
3435 patch_info->data.target = abs_ji->data.target;
3442 case MONO_PATCH_INFO_SWITCH: {
3444 #if defined(__native_client__) && defined(__native_client_codegen__)
3445 /* This memory will leak. */
3446 /* TODO: can we free this when */
3447 /* making the final jump table? */
3448 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3450 if (cfg->method->dynamic) {
3451 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3453 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3457 for (i = 0; i < patch_info->data.table->table_size; i++) {
3458 /* Might be NULL if the switch is eliminated */
3459 if (patch_info->data.table->table [i]) {
3460 g_assert (patch_info->data.table->table [i]->native_offset);
3461 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3466 patch_info->data.table->table = (MonoBasicBlock**)table;
3469 case MONO_PATCH_INFO_METHOD_JUMP: {
3470 MonoJumpList *jlist;
3471 MonoDomain *domain = cfg->domain;
3472 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3473 #if defined(__native_client__) && defined(__native_client_codegen__)
3474 /* When this jump target gets evaluated, the method */
3475 /* will be installed in the dynamic code section, */
3476 /* not at the location of cfg->native_code. */
3477 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3480 mono_domain_lock (domain);
3481 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3483 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3484 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3486 jlist->list = g_slist_prepend (jlist->list, ip);
3487 mono_domain_unlock (domain);
3498 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3501 MonoBasicBlock *in_bb;
3504 for (i = 0; i < bb->in_count; ++i) {
3505 in_bb = bb->in_bb [i];
3507 if (in_bb->last_seq_point) {
3508 int src_index = in_bb->last_seq_point->backend.size;
3509 int dst_index = ins->backend.size;
3511 /* bb->in_bb might contain duplicates */
3512 for (l = next [src_index]; l; l = l->next)
3513 if (GPOINTER_TO_UINT (l->data) == dst_index)
3516 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
3518 /* Have to look at its predecessors */
3520 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3526 mono_save_seq_point_info (MonoCompile *cfg)
3529 GSList *bb_seq_points, *l;
3531 MonoDomain *domain = cfg->domain;
3533 MonoSeqPointInfo *info;
3536 if (!cfg->seq_points)
3539 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3540 info->len = cfg->seq_points->len;
3541 for (i = 0; i < cfg->seq_points->len; ++i) {
3542 SeqPoint *sp = &info->seq_points [i];
3543 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3545 sp->il_offset = ins->inst_imm;
3546 sp->native_offset = ins->inst_offset;
3549 ins->backend.size = i;
3553 * For each sequence point, compute the list of sequence points immediately
3554 * following it, this is needed to implement 'step over' in the debugger agent.
3556 next = g_new0 (GSList*, cfg->seq_points->len);
3557 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3558 bb_seq_points = g_slist_reverse (bb->seq_points);
3560 for (l = bb_seq_points; l; l = l->next) {
3561 MonoInst *ins = l->data;
3563 if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
3564 /* Used to implement method entry/exit events */
3568 /* Link with the previous seq point in the same bb */
3569 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3571 /* Link with the last bb in the previous bblocks */
3572 collect_pred_seq_points (bb, ins, next, 0);
3578 if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY) {
3579 MonoBasicBlock *bb2;
3580 MonoInst *endfinally_seq_point = NULL;
3583 * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
3585 l = g_slist_last (bb->seq_points);
3587 endfinally_seq_point = l->data;
3589 for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
3590 GSList *l = g_slist_last (bb2->seq_points);
3593 MonoInst *ins = l->data;
3595 if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
3596 next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3602 if (cfg->verbose_level > 2) {
3603 printf ("\nSEQ POINT MAP: \n");
3606 for (i = 0; i < cfg->seq_points->len; ++i) {
3607 SeqPoint *sp = &info->seq_points [i];
3611 sp->next_len = g_slist_length (next [i]);
3612 sp->next = g_new (int, sp->next_len);
3614 if (cfg->verbose_level > 2 && next [i]) {
3615 printf ("\tIL0x%x ->", sp->il_offset);
3616 for (l = next [i]; l; l = l->next) {
3617 next_index = GPOINTER_TO_UINT (l->data);
3618 printf (" IL0x%x", info->seq_points [next_index].il_offset);
3622 for (l = next [i]; l; l = l->next) {
3623 next_index = GPOINTER_TO_UINT (l->data);
3624 sp->next [j ++] = next_index;
3626 g_slist_free (next [i]);
3630 cfg->seq_point_info = info;
3632 // FIXME: dynamic methods
3633 if (!cfg->compile_aot) {
3634 mono_domain_lock (domain);
3635 // FIXME: How can the lookup succeed ?
3636 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3637 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3638 mono_domain_unlock (domain);
3641 g_ptr_array_free (cfg->seq_points, TRUE);
3642 cfg->seq_points = NULL;
3646 mono_codegen (MonoCompile *cfg)
3649 int max_epilog_size;
3651 MonoDomain *code_domain;
3653 if (mono_using_xdebug)
3655 * Recent gdb versions have trouble processing symbol files containing
3656 * overlapping address ranges, so allocate all code from the code manager
3657 * of the root domain. (#666152).
3659 code_domain = mono_get_root_domain ();
3661 code_domain = cfg->domain;
3663 #if defined(__native_client_codegen__) && defined(__native_client__)
3666 /* This keeps patch targets from being transformed during
3667 * ordinary method compilation, for local branches and jumps.
3669 nacl_allow_target_modification (FALSE);
3672 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3673 cfg->spill_count = 0;
3674 /* we reuse dfn here */
3675 /* bb->dfn = bb_count++; */
3677 mono_arch_lowering_pass (cfg, bb);
3679 if (cfg->opt & MONO_OPT_PEEPHOLE)
3680 mono_arch_peephole_pass_1 (cfg, bb);
3683 mono_local_regalloc (cfg, bb);
3685 if (cfg->opt & MONO_OPT_PEEPHOLE)
3686 mono_arch_peephole_pass_2 (cfg, bb);
3689 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3690 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3692 code = mono_arch_emit_prolog (cfg);
3694 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3695 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3697 cfg->code_len = code - cfg->native_code;
3698 cfg->prolog_end = cfg->code_len;
3700 mono_debug_open_method (cfg);
3702 /* emit code all basic blocks */
3703 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3704 bb->native_offset = cfg->code_len;
3705 bb->real_native_offset = cfg->code_len;
3706 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3707 mono_arch_output_basic_block (cfg, bb);
3708 bb->native_length = cfg->code_len - bb->native_offset;
3710 if (bb == cfg->bb_exit) {
3711 cfg->epilog_begin = cfg->code_len;
3713 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3714 code = cfg->native_code + cfg->code_len;
3715 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3716 cfg->code_len = code - cfg->native_code;
3717 g_assert (cfg->code_len < cfg->code_size);
3720 mono_arch_emit_epilog (cfg);
3724 #ifdef __native_client_codegen__
3725 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3727 mono_arch_emit_exceptions (cfg);
3729 max_epilog_size = 0;
3731 /* we always allocate code in cfg->domain->code_mp to increase locality */
3732 cfg->code_size = cfg->code_len + max_epilog_size;
3733 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3735 if (cfg->method->dynamic) {
3736 guint unwindlen = 0;
3737 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3738 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3740 /* Allocate the code into a separate memory pool so it can be freed */
3741 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3742 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3743 mono_domain_lock (cfg->domain);
3744 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3745 mono_domain_unlock (cfg->domain);
3747 if (mono_using_xdebug)
3748 /* See the comment for cfg->code_domain */
3749 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3751 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3753 guint unwindlen = 0;
3754 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3755 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3757 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3759 #if defined(__native_client_codegen__) && defined(__native_client__)
3760 nacl_allow_target_modification (TRUE);
3764 memcpy (code, cfg->native_code, cfg->code_len);
3765 #if defined(__default_codegen__)
3766 g_free (cfg->native_code);
3767 #elif defined(__native_client_codegen__)
3768 if (cfg->native_code_alloc) {
3769 g_free (cfg->native_code_alloc);
3770 cfg->native_code_alloc = 0;
3772 else if (cfg->native_code) {
3773 g_free (cfg->native_code);
3775 #endif /* __native_client_codegen__ */
3776 cfg->native_code = code;
3777 code = cfg->native_code + cfg->code_len;
3779 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3780 mono_postprocess_patches (cfg);
3782 #ifdef VALGRIND_JIT_REGISTER_MAP
3783 if (valgrind_register){
3784 char* nm = mono_method_full_name (cfg->method, TRUE);
3785 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3790 if (cfg->verbose_level > 0) {
3791 char* nm = mono_method_full_name (cfg->method, TRUE);
3792 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3794 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3799 gboolean is_generic = FALSE;
3801 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3802 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3806 if (cfg->generic_sharing_context)
3807 g_assert (is_generic);
3810 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3811 mono_arch_save_unwind_info (cfg);
3814 #if defined(__native_client_codegen__) && defined(__native_client__)
3815 if (!cfg->compile_aot) {
3816 if (cfg->method->dynamic) {
3817 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
3819 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
3824 #if defined(__native_client_codegen__)
3825 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3828 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->dynamic_info ? cfg->dynamic_info->code_mp : NULL, cfg->run_cctors);
3830 if (cfg->method->dynamic) {
3831 if (mono_using_xdebug)
3832 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3834 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3836 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3838 #if defined(__native_client_codegen__) && defined(__native_client__)
3839 cfg->native_code = code_dest;
3841 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3843 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3845 mono_debug_close_method (cfg);
3847 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3848 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3853 compute_reachable (MonoBasicBlock *bb)
3857 if (!(bb->flags & BB_VISITED)) {
3858 bb->flags |= BB_VISITED;
3859 for (i = 0; i < bb->out_count; ++i)
3860 compute_reachable (bb->out_bb [i]);
3865 mono_handle_out_of_line_bblock (MonoCompile *cfg)
3868 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3869 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
3871 MONO_INST_NEW (cfg, ins, OP_BR);
3872 MONO_ADD_INS (bb, ins);
3873 ins->inst_target_bb = bb->next_bb;
3879 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3882 MonoMethodHeader *header;
3885 int generic_info_size, arch_eh_info_size = 0;
3886 int holes_size = 0, num_holes = 0, cas_size = 0;
3887 guint32 stack_size = 0;
3889 g_assert (method_to_compile == cfg->method);
3890 header = cfg->header;
3892 if (cfg->generic_sharing_context)
3893 generic_info_size = sizeof (MonoGenericJitInfo);
3895 generic_info_size = 0;
3897 if (cfg->arch_eh_jit_info) {
3898 MonoJitArgumentInfo *arg_info;
3899 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
3902 * This cannot be computed during stack walking, as
3903 * mono_arch_get_argument_info () is not signal safe.
3905 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
3906 stack_size = mono_arch_get_argument_info (sig, sig->param_count, arg_info);
3909 arch_eh_info_size = sizeof (MonoArchEHJitInfo);
3912 if (cfg->try_block_holes) {
3913 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3914 TryBlockHole *hole = tmp->data;
3915 MonoExceptionClause *ec = hole->clause;
3916 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
3917 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3918 g_assert (clause_last_bb);
3920 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3921 if (clause_last_bb->native_offset != hole_end)
3925 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
3926 if (G_UNLIKELY (cfg->verbose_level >= 4))
3927 printf ("Number of try block holes %d\n", num_holes);
3930 if (mono_method_has_declsec (cfg->method_to_register)) {
3931 cas_size = sizeof (MonoMethodCasInfo);
3934 if (COMPILE_LLVM (cfg))
3935 num_clauses = cfg->llvm_ex_info_len;
3937 num_clauses = header->num_clauses;
3939 if (cfg->method->dynamic) {
3940 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
3941 generic_info_size + holes_size + arch_eh_info_size + cas_size);
3943 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3944 (num_clauses * sizeof (MonoJitExceptionInfo)) +
3945 generic_info_size + holes_size + arch_eh_info_size + cas_size);
3948 jinfo->method = cfg->method_to_register;
3949 jinfo->code_start = cfg->native_code;
3950 jinfo->code_size = cfg->code_len;
3951 jinfo->used_regs = cfg->used_int_regs;
3952 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3953 jinfo->num_clauses = num_clauses;
3955 if (COMPILE_LLVM (cfg))
3956 jinfo->from_llvm = TRUE;
3958 if (cfg->generic_sharing_context) {
3960 MonoGenericJitInfo *gi;
3961 GSList *loclist = NULL;
3963 jinfo->has_generic_jit_info = 1;
3965 gi = mono_jit_info_get_generic_jit_info (jinfo);
3968 gi->generic_sharing_context = cfg->generic_sharing_context;
3970 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3971 mini_method_get_context (method_to_compile)->method_inst ||
3972 method_to_compile->klass->valuetype) {
3973 g_assert (cfg->rgctx_var);
3978 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3979 mini_method_get_context (method_to_compile)->method_inst ||
3980 method_to_compile->klass->valuetype) {
3981 inst = cfg->rgctx_var;
3982 if (!COMPILE_LLVM (cfg))
3983 g_assert (inst->opcode == OP_REGOFFSET);
3984 loclist = cfg->rgctx_loclist;
3986 inst = cfg->args [0];
3987 loclist = cfg->this_loclist;
3991 /* Needed to handle async exceptions */
3995 gi->nlocs = g_slist_length (loclist);
3996 if (cfg->method->dynamic)
3997 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
3999 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4001 for (l = loclist; l; l = l->next) {
4002 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4007 if (COMPILE_LLVM (cfg)) {
4008 g_assert (cfg->llvm_this_reg != -1);
4009 gi->this_in_reg = 0;
4010 gi->this_reg = cfg->llvm_this_reg;
4011 gi->this_offset = cfg->llvm_this_offset;
4012 } else if (inst->opcode == OP_REGVAR) {
4013 gi->this_in_reg = 1;
4014 gi->this_reg = inst->dreg;
4016 g_assert (inst->opcode == OP_REGOFFSET);
4018 g_assert (inst->inst_basereg == X86_EBP);
4019 #elif defined(TARGET_AMD64)
4020 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4022 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4024 gi->this_in_reg = 0;
4025 gi->this_reg = inst->inst_basereg;
4026 gi->this_offset = inst->inst_offset;
4031 MonoTryBlockHoleTableJitInfo *table;
4034 jinfo->has_try_block_holes = 1;
4035 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4036 table->num_holes = (guint16)num_holes;
4038 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4039 guint32 start_bb_offset;
4040 MonoTryBlockHoleJitInfo *hole;
4041 TryBlockHole *hole_data = tmp->data;
4042 MonoExceptionClause *ec = hole_data->clause;
4043 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4044 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4045 g_assert (clause_last_bb);
4047 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4048 if (clause_last_bb->native_offset == hole_end)
4051 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4052 hole = &table->holes [i++];
4053 hole->clause = hole_data->clause - &header->clauses [0];
4054 hole->offset = (guint32)hole_data->start_offset;
4055 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4057 if (G_UNLIKELY (cfg->verbose_level >= 4))
4058 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4060 g_assert (i == num_holes);
4063 if (arch_eh_info_size) {
4064 MonoArchEHJitInfo *info;
4066 jinfo->has_arch_eh_info = 1;
4067 info = mono_jit_info_get_arch_eh_info (jinfo);
4069 info->stack_size = stack_size;
4073 jinfo->has_cas_info = 1;
4076 if (COMPILE_LLVM (cfg)) {
4078 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4079 } else if (header->num_clauses) {
4082 for (i = 0; i < header->num_clauses; i++) {
4083 MonoExceptionClause *ec = &header->clauses [i];
4084 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4085 MonoBasicBlock *tblock;
4088 ei->flags = ec->flags;
4090 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4091 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4093 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4094 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4096 ei->data.filter = cfg->native_code + tblock->native_offset;
4098 ei->data.catch_class = ec->data.catch_class;
4101 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4103 g_assert (tblock->native_offset);
4104 ei->try_start = cfg->native_code + tblock->native_offset;
4105 if (tblock->extend_try_block) {
4107 * Extend the try block backwards to include parts of the previous call
4110 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4112 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4114 if (!tblock->native_offset) {
4116 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4117 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4118 if (bb && bb->native_offset) {
4124 ei->try_end = cfg->native_code + tblock->native_offset;
4125 g_assert (tblock->native_offset);
4126 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4128 ei->handler_start = cfg->native_code + tblock->native_offset;
4130 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4131 TryBlockHole *hole = tmp->data;
4132 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4133 if (hole->clause == ec && hole_end == ei->try_end) {
4134 if (G_UNLIKELY (cfg->verbose_level >= 4))
4135 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4137 ei->try_end = cfg->native_code + hole->start_offset;
4142 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4144 if (ec->handler_offset + ec->handler_len < header->code_size) {
4145 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4147 end_offset = tblock->native_offset;
4149 end_offset = cfg->epilog_begin;
4151 ei->data.handler_end = cfg->native_code + end_offset;
4156 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4158 for (i = 0; i < jinfo->num_clauses; i++) {
4159 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4160 int start = (guint8*)ei->try_start - cfg->native_code;
4161 int end = (guint8*)ei->try_end - cfg->native_code;
4162 int handler = (guint8*)ei->handler_start - cfg->native_code;
4164 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
4169 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4170 * using it during runtime, hence the define.
4172 #ifdef MONO_ARCH_HAVE_XP_UNWIND
4173 if (cfg->encoded_unwind_ops) {
4174 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4175 g_free (cfg->encoded_unwind_ops);
4176 } else if (cfg->unwind_ops) {
4178 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4180 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4181 g_free (unwind_info);
4190 * mini_get_shared_method:
4192 * Return the method which is actually compiled/registered when doing generic sharing.
4195 mini_get_shared_method (MonoMethod *method)
4197 MonoGenericContext shared_context;
4198 MonoMethod *declaring_method, *res;
4200 gboolean partial = FALSE;
4202 if (method->is_generic || method->klass->generic_container)
4203 declaring_method = method;
4205 declaring_method = mono_method_get_declaring_generic_method (method);
4207 if (declaring_method->is_generic)
4208 shared_context = mono_method_get_generic_container (declaring_method)->context;
4210 shared_context = declaring_method->klass->generic_container->context;
4212 /* Handle partial sharing */
4213 if (method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE)) {
4214 MonoGenericContext *context = mono_method_get_context (method);
4215 MonoGenericInst *inst;
4216 MonoType **type_argv;
4219 * Create the shared context by replacing the ref type arguments with
4220 * type parameters, and keeping the rest.
4223 inst = context->class_inst;
4225 type_argv = g_new0 (MonoType*, inst->type_argc);
4226 for (i = 0; i < inst->type_argc; ++i) {
4227 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
4228 type_argv [i] = shared_context.class_inst->type_argv [i];
4230 type_argv [i] = inst->type_argv [i];
4233 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4237 inst = context->method_inst;
4239 type_argv = g_new0 (MonoType*, inst->type_argc);
4240 for (i = 0; i < inst->type_argc; ++i) {
4241 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
4242 type_argv [i] = shared_context.method_inst->type_argv [i];
4244 type_argv [i] = inst->type_argv [i];
4247 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4252 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4254 /* The result should be an inflated method whose parent is not inflated */
4255 g_assert (!res->klass->is_inflated);
4262 * mini_method_compile:
4263 * @method: the method to compile
4264 * @opts: the optimization flags to use
4265 * @domain: the domain where the method will be compiled in
4266 * @run_cctors: whether we should run type ctors if possible
4267 * @compile_aot: whether this is an AOT compilation
4268 * @parts: debug flag
4270 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4271 * field in the returned struct to see if compilation succeded.
4274 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4276 MonoMethodHeader *header;
4277 MonoMethodSignature *sig;
4281 int dfn, i, code_size_ratio;
4282 gboolean deadce_has_run = FALSE;
4283 gboolean try_generic_shared, try_llvm = FALSE;
4284 MonoMethod *method_to_compile, *method_to_register;
4286 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4287 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4288 mono_profiler_method_jit (method);
4289 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
4290 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4294 * We might get passed the original generic method definition or
4295 * instances with type parameters.
4296 * FIXME: Remove the method->klass->generic_class limitation.
4298 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4299 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl (method, TRUE)));
4301 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4302 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
4304 if (opts & MONO_OPT_GSHARED) {
4305 if (try_generic_shared)
4306 mono_stats.generics_sharable_methods++;
4307 else if (mono_method_is_generic_impl (method))
4308 mono_stats.generics_unsharable_methods++;
4312 try_llvm = mono_use_llvm;
4316 if (try_generic_shared) {
4317 method_to_compile = mini_get_shared_method (method);
4318 g_assert (method_to_compile);
4320 method_to_compile = method;
4323 cfg = g_new0 (MonoCompile, 1);
4324 cfg->method = method_to_compile;
4325 cfg->header = mono_method_get_header (cfg->method);
4326 cfg->mempool = mono_mempool_new ();
4328 cfg->prof_options = mono_profiler_get_events ();
4329 cfg->run_cctors = run_cctors;
4330 cfg->domain = domain;
4331 cfg->verbose_level = mini_verbose;
4332 cfg->compile_aot = compile_aot;
4333 cfg->skip_visibility = method->skip_visibility;
4334 cfg->orig_method = method;
4335 cfg->gen_seq_points = debug_options.gen_seq_points;
4336 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4337 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4338 if (try_generic_shared)
4339 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
4340 cfg->compile_llvm = try_llvm;
4341 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4343 if (cfg->gen_seq_points)
4344 cfg->seq_points = g_ptr_array_new ();
4346 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
4347 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4351 if (cfg->generic_sharing_context) {
4352 method_to_register = method_to_compile;
4354 g_assert (method == method_to_compile);
4355 method_to_register = method;
4357 cfg->method_to_register = method_to_register;
4359 mono_error_init (&err);
4360 sig = mono_method_signature_checked (cfg->method, &err);
4362 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4363 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4364 mono_error_cleanup (&err);
4365 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4366 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4370 header = cfg->header;
4372 MonoLoaderError *error;
4374 if ((error = mono_loader_get_last_error ())) {
4375 cfg->exception_type = error->exception_type;
4377 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4378 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4380 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4381 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4387 static gboolean inited;
4394 * Check for methods which cannot be compiled by LLVM early, to avoid
4395 * the extra compilation pass.
4397 if (COMPILE_LLVM (cfg)) {
4398 mono_llvm_check_method_supported (cfg);
4399 if (cfg->disable_llvm) {
4400 if (cfg->verbose_level >= 1) {
4401 //nm = mono_method_full_name (cfg->method, TRUE);
4402 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4405 mono_destroy_compile (cfg);
4407 goto restart_compile;
4413 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4414 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4415 cfg->disable_reuse_registers = TRUE;
4416 cfg->disable_reuse_stack_slots = TRUE;
4418 * This decreases the change the debugger will read registers/stack slots which are
4419 * not yet initialized.
4421 cfg->disable_initlocals_opt = TRUE;
4423 cfg->extend_live_ranges = TRUE;
4425 /* Temporarily disable this when running in the debugger until we have support
4426 * for this in the debugger. */
4427 /* This is no longer needed with sdb */
4428 //cfg->disable_omit_fp = TRUE;
4430 /* The debugger needs all locals to be on the stack or in a global register */
4431 cfg->disable_vreg_to_lvreg = TRUE;
4433 /* Don't remove unused variables when running inside the debugger since the user
4434 * may still want to view them. */
4435 cfg->disable_deadce_vars = TRUE;
4437 // cfg->opt |= MONO_OPT_SHARED;
4438 cfg->opt &= ~MONO_OPT_DEADCE;
4439 cfg->opt &= ~MONO_OPT_INLINE;
4440 cfg->opt &= ~MONO_OPT_COPYPROP;
4441 cfg->opt &= ~MONO_OPT_CONSPROP;
4442 /* This is no longer needed with sdb */
4443 //cfg->opt &= ~MONO_OPT_GSHARED;
4445 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4446 cfg->disable_out_of_line_bblocks = TRUE;
4449 if (mono_using_xdebug) {
4451 * Make each variable use its own register/stack slot and extend
4452 * their liveness to cover the whole method, making them displayable
4453 * in gdb even after they are dead.
4455 cfg->disable_reuse_registers = TRUE;
4456 cfg->disable_reuse_stack_slots = TRUE;
4457 cfg->extend_live_ranges = TRUE;
4458 cfg->compute_precise_live_ranges = TRUE;
4461 mini_gc_init_cfg (cfg);
4463 if (COMPILE_LLVM (cfg)) {
4464 cfg->opt |= MONO_OPT_ABCREM;
4467 if (getenv ("MONO_VERBOSE_METHOD")) {
4468 char *name = getenv ("MONO_VERBOSE_METHOD");
4470 if ((strchr (name, '.') > name) || strchr (name, ':')) {
4471 MonoMethodDesc *desc;
4473 desc = mono_method_desc_new (name, TRUE);
4474 if (mono_method_desc_full_match (desc, cfg->method)) {
4475 cfg->verbose_level = 4;
4477 mono_method_desc_free (desc);
4479 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
4480 cfg->verbose_level = 4;
4484 ip = (guint8 *)header->code;
4486 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
4488 if (cfg->verbose_level > 0) {
4490 if (COMPILE_LLVM (cfg))
4491 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
4492 else if (cfg->generic_sharing_context)
4493 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4495 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
4496 g_free (method_name);
4499 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
4500 cfg->opt |= MONO_OPT_SSA;
4503 if ((cfg->method->klass->image != mono_defaults.corlib) || (strstr (cfg->method->klass->name, "StackOverflowException") && strstr (cfg->method->name, ".ctor")) || (strstr (cfg->method->klass->name, "OutOfMemoryException") && strstr (cfg->method->name, ".ctor")))
4504 cfg->globalra = TRUE;
4507 //cfg->globalra = TRUE;
4509 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
4510 // cfg->globalra = TRUE;
4513 static int count = 0;
4517 if (getenv ("COUNT2")) {
4518 cfg->globalra = TRUE;
4519 if (count == atoi (getenv ("COUNT2")))
4520 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
4521 if (count > atoi (getenv ("COUNT2")))
4522 cfg->globalra = FALSE;
4527 if (header->clauses)
4528 cfg->globalra = FALSE;
4530 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4531 /* The code in the prolog clobbers caller saved registers */
4532 cfg->globalra = FALSE;
4534 // FIXME: Disable globalra in case of tracing/profiling
4536 if (cfg->method->save_lmf)
4537 /* The LMF saving code might clobber caller saved registers */
4538 cfg->globalra = FALSE;
4540 if (header->code_size > 5000)
4542 /* Too large bblocks could overflow the ins positions */
4543 cfg->globalra = FALSE;
4545 cfg->rs = mono_regstate_new ();
4547 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4548 cfg->next_vreg = cfg->rs->next_vreg;
4550 /* FIXME: Fix SSA to handle branches inside bblocks */
4551 if (cfg->opt & MONO_OPT_SSA)
4552 cfg->enable_extended_bblocks = FALSE;
4555 * FIXME: This confuses liveness analysis because variables which are assigned after
4556 * a branch inside a bblock become part of the kill set, even though the assignment
4557 * might not get executed. This causes the optimize_initlocals pass to delete some
4558 * assignments which are needed.
4559 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4562 //cfg->enable_extended_bblocks = TRUE;
4564 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4565 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
4566 if (mini_get_debug_options ()->break_on_unverified)
4572 * create MonoInst* which represents arguments and local variables
4574 mono_compile_create_vars (cfg);
4576 /* SSAPRE is not supported on linear IR */
4577 cfg->opt &= ~MONO_OPT_SSAPRE;
4579 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4582 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4584 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4585 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4588 mono_destroy_compile (cfg);
4589 try_generic_shared = FALSE;
4590 goto restart_compile;
4592 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4594 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4595 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4596 /* cfg contains the details of the failure, so let the caller cleanup */
4600 cfg->stat_basic_blocks += cfg->num_bblocks;
4602 if (COMPILE_LLVM (cfg)) {
4605 /* The IR has to be in SSA form for LLVM */
4606 cfg->opt |= MONO_OPT_SSA;
4610 // Allow SSA on the result value
4611 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4613 // Add an explicit return instruction referencing the return value
4614 MONO_INST_NEW (cfg, ins, OP_SETRET);
4615 ins->sreg1 = cfg->ret->dreg;
4617 MONO_ADD_INS (cfg->bb_exit, ins);
4620 cfg->opt &= ~MONO_OPT_LINEARS;
4623 cfg->opt &= ~MONO_OPT_BRANCH;
4626 /* todo: remove code when we have verified that the liveness for try/catch blocks
4630 * Currently, this can't be commented out since exception blocks are not
4631 * processed during liveness analysis.
4632 * It is also needed, because otherwise the local optimization passes would
4633 * delete assignments in cases like this:
4635 * <something which throws>
4637 * This also allows SSA to be run on methods containing exception clauses, since
4638 * SSA will ignore variables marked VOLATILE.
4640 mono_liveness_handle_exception_clauses (cfg);
4642 mono_handle_out_of_line_bblock (cfg);
4644 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4646 if (!COMPILE_LLVM (cfg))
4647 mono_decompose_long_opts (cfg);
4649 /* Should be done before branch opts */
4650 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4651 mono_local_cprop (cfg);
4653 if (cfg->opt & MONO_OPT_BRANCH)
4654 mono_optimize_branches (cfg);
4656 /* This must be done _before_ global reg alloc and _after_ decompose */
4657 mono_handle_global_vregs (cfg);
4658 if (cfg->opt & MONO_OPT_DEADCE)
4659 mono_local_deadce (cfg);
4660 /* Disable this for LLVM to make the IR easier to handle */
4661 if (!COMPILE_LLVM (cfg))
4662 mono_if_conversion (cfg);
4664 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4665 mono_remove_critical_edges (cfg);
4667 /* Depth-first ordering on basic blocks */
4668 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4670 cfg->max_block_num = cfg->num_bblocks;
4673 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4674 if (cfg->num_bblocks != dfn + 1) {
4677 cfg->num_bblocks = dfn + 1;
4679 /* remove unreachable code, because the code in them may be
4680 * inconsistent (access to dead variables for example) */
4681 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4682 bb->flags &= ~BB_VISITED;
4683 compute_reachable (cfg->bb_entry);
4684 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4685 if (bb->flags & BB_EXCEPTION_HANDLER)
4686 compute_reachable (bb);
4687 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4688 if (!(bb->flags & BB_VISITED)) {
4689 if (cfg->verbose_level > 1)
4690 g_print ("found unreachable code in BB%d\n", bb->block_num);
4691 bb->code = bb->last_ins = NULL;
4692 while (bb->out_count)
4693 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
4696 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4697 bb->flags &= ~BB_VISITED;
4700 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
4702 * we disable some optimizations if there are too many variables
4703 * because JIT time may become too expensive. The actual number needs
4704 * to be tweaked and eventually the non-linear algorithms should be fixed.
4706 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
4707 cfg->disable_ssa = TRUE;
4710 if (cfg->opt & MONO_OPT_LOOP) {
4711 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
4712 mono_compute_natural_loops (cfg);
4715 /* after method_to_ir */
4717 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4718 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4723 if (header->num_clauses)
4724 cfg->disable_ssa = TRUE;
4727 //#define DEBUGSSA "logic_run"
4728 #define DEBUGSSA_CLASS "Tests"
4731 if (!cfg->disable_ssa) {
4732 mono_local_cprop (cfg);
4735 mono_ssa_compute (cfg);
4739 if (cfg->opt & MONO_OPT_SSA) {
4740 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
4742 mono_ssa_compute (cfg);
4745 if (cfg->verbose_level >= 2) {
4752 /* after SSA translation */
4754 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4755 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4759 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
4760 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4762 mono_ssa_cprop (cfg);
4768 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4769 //mono_ssa_strength_reduction (cfg);
4771 if (cfg->opt & MONO_OPT_SSAPRE) {
4772 mono_perform_ssapre (cfg);
4773 //mono_local_cprop (cfg);
4776 if (cfg->opt & MONO_OPT_DEADCE) {
4777 mono_ssa_deadce (cfg);
4778 deadce_has_run = TRUE;
4781 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4782 mono_perform_abc_removal (cfg);
4784 mono_ssa_remove (cfg);
4785 mono_local_cprop (cfg);
4786 mono_handle_global_vregs (cfg);
4787 if (cfg->opt & MONO_OPT_DEADCE)
4788 mono_local_deadce (cfg);
4790 if (cfg->opt & MONO_OPT_BRANCH) {
4793 mono_optimize_branches (cfg);
4795 /* Have to recompute cfg->bblocks and bb->dfn */
4796 if (cfg->globalra) {
4797 mono_remove_critical_edges (cfg);
4799 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4802 /* Depth-first ordering on basic blocks */
4803 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4806 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4807 cfg->num_bblocks = dfn + 1;
4813 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
4814 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
4815 if (cfg->opt & MONO_OPT_ABCREM)
4816 mono_perform_abc_removal (cfg);
4819 /* after SSA removal */
4821 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4822 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4826 #ifdef MONO_ARCH_SOFT_FLOAT
4827 if (!COMPILE_LLVM (cfg))
4828 mono_decompose_soft_float (cfg);
4830 if (!COMPILE_LLVM (cfg))
4831 mono_decompose_vtype_opts (cfg);
4832 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4833 mono_decompose_array_access_opts (cfg);
4836 #ifndef MONO_ARCH_GOT_REG
4841 g_assert (cfg->got_var_allocated);
4844 * Allways allocate the GOT var to a register, because keeping it
4845 * in memory will increase the number of live temporaries in some
4846 * code created by inssel.brg, leading to the well known spills+
4847 * branches problem. Testcase: mcs crash in
4848 * System.MonoCustomAttrs:GetCustomAttributes.
4850 #ifdef MONO_ARCH_GOT_REG
4851 got_reg = MONO_ARCH_GOT_REG;
4853 regs = mono_arch_get_global_int_regs (cfg);
4855 got_reg = GPOINTER_TO_INT (regs->data);
4858 cfg->got_var->opcode = OP_REGVAR;
4859 cfg->got_var->dreg = got_reg;
4860 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
4864 * Have to call this again to process variables added since the first call.
4866 mono_liveness_handle_exception_clauses (cfg);
4868 if (cfg->globalra) {
4871 /* Have to do this before regalloc since it can create vregs */
4872 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4873 mono_arch_lowering_pass (cfg, bb);
4875 mono_global_regalloc (cfg);
4878 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
4879 GList *vars, *regs, *l;
4881 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
4882 cfg->comp_done &= ~MONO_COMP_LIVENESS;
4883 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
4884 mono_analyze_liveness (cfg);
4886 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
4887 regs = mono_arch_get_global_int_regs (cfg);
4888 /* Remove the reg reserved for holding the GOT address */
4890 for (l = regs; l; l = l->next) {
4891 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
4892 regs = g_list_delete_link (regs, l);
4897 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
4901 //mono_print_code (cfg, "");
4905 /* variables are allocated after decompose, since decompose could create temps */
4906 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4907 mono_arch_allocate_vars (cfg);
4908 if (cfg->exception_type)
4914 gboolean need_local_opts;
4916 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4917 mono_spill_global_vars (cfg, &need_local_opts);
4919 if (need_local_opts || cfg->compile_aot) {
4920 /* To optimize code created by spill_global_vars */
4921 mono_local_cprop (cfg);
4922 if (cfg->opt & MONO_OPT_DEADCE)
4923 mono_local_deadce (cfg);
4927 /* Add branches between non-consecutive bblocks */
4928 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4929 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
4930 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
4931 /* we are careful when inverting, since bugs like #59580
4932 * could show up when dealing with NaNs.
4934 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
4935 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
4936 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
4937 bb->last_ins->inst_false_bb = tmp;
4939 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
4941 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
4942 inst->opcode = OP_BR;
4943 inst->inst_target_bb = bb->last_ins->inst_false_bb;
4944 mono_bblock_add_inst (bb, inst);
4949 if (cfg->verbose_level >= 4 && !cfg->globalra) {
4950 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4951 MonoInst *tree = bb->code;
4952 g_print ("DUMP BLOCK %d:\n", bb->block_num);
4955 for (; tree; tree = tree->next) {
4956 mono_print_ins_index (-1, tree);
4962 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4963 bb->max_vreg = cfg->next_vreg;
4967 if (COMPILE_LLVM (cfg)) {
4971 /* The IR has to be in SSA form for LLVM */
4972 if (!(cfg->comp_done & MONO_COMP_SSA)) {
4973 cfg->exception_message = g_strdup ("SSA disabled.");
4974 cfg->disable_llvm = TRUE;
4977 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4978 mono_decompose_array_access_opts (cfg);
4980 if (!cfg->disable_llvm)
4981 mono_llvm_emit_method (cfg);
4982 if (cfg->disable_llvm) {
4983 if (cfg->verbose_level >= 1) {
4984 //nm = mono_method_full_name (cfg->method, TRUE);
4985 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4988 mono_destroy_compile (cfg);
4990 goto restart_compile;
4993 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
4994 nm = mono_method_full_name (cfg->method, TRUE);
4995 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
4997 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5005 if (COMPILE_LLVM (cfg))
5006 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5008 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5010 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5012 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5013 if (cfg->extend_live_ranges) {
5014 /* Extend live ranges to cover the whole method */
5015 for (i = 0; i < cfg->num_varinfo; ++i)
5016 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5020 if (!cfg->compile_aot)
5021 mono_save_xdebug_info (cfg);
5023 mini_gc_create_gc_map (cfg);
5025 mono_save_seq_point_info (cfg);
5027 if (cfg->verbose_level >= 2) {
5028 char *id = mono_method_full_name (cfg->method, FALSE);
5029 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5033 if (!cfg->compile_aot) {
5034 mono_domain_lock (cfg->domain);
5035 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5037 if (cfg->method->dynamic)
5038 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5039 mono_domain_unlock (cfg->domain);
5042 /* collect statistics */
5043 mono_perfcounters->jit_methods++;
5044 mono_perfcounters->jit_bytes += header->code_size;
5045 mono_jit_stats.allocated_code_size += cfg->code_len;
5046 code_size_ratio = cfg->code_len;
5047 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5048 mono_jit_stats.biggest_method_size = code_size_ratio;
5049 g_free (mono_jit_stats.biggest_method);
5050 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5052 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5053 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5054 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5055 g_free (mono_jit_stats.max_ratio_method);
5056 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5058 mono_jit_stats.native_code_size += cfg->code_len;
5060 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
5061 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5069 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
5071 g_assert_not_reached ();
5075 #endif /* DISABLE_JIT */
5078 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
5080 static gboolean inited = FALSE;
5081 static int lookups = 0;
5082 static int failed_lookups = 0;
5085 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
5086 if (ji && !ji->has_generic_jit_info)
5090 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5091 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5103 * LOCKING: Assumes domain->jit_code_hash_lock is held.
5106 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
5108 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5113 if (!mono_method_is_generic_sharable_impl (method, FALSE))
5115 return mono_domain_lookup_shared_generic (domain, method);
5119 lookup_method (MonoDomain *domain, MonoMethod *method)
5123 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
5124 mono_domain_jit_code_hash_lock (domain);
5125 info = lookup_method_inner (domain, method);
5126 mono_domain_jit_code_hash_unlock (domain);
5127 mono_loader_unlock ();
5133 static FILE* perf_map_file = NULL;
5136 mono_enable_jit_map (void)
5138 if (!perf_map_file) {
5140 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5142 perf_map_file = fopen (name, "w");
5147 mono_emit_jit_tramp (void *start, int size, const char *desc)
5150 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5154 mono_emit_jit_map (MonoJitInfo *jinfo)
5156 if (perf_map_file) {
5157 char *name = mono_method_full_name (jinfo->method, TRUE);
5158 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5164 mono_jit_map_is_enabled (void)
5166 return perf_map_file != NULL;
5172 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5175 gpointer code = NULL;
5176 MonoJitInfo *jinfo, *info;
5178 MonoException *ex = NULL;
5179 guint32 prof_options;
5181 MonoMethod *prof_method;
5183 #ifdef MONO_USE_AOT_COMPILER
5184 if (opt & MONO_OPT_AOT) {
5185 MonoDomain *domain = mono_domain_get ();
5187 mono_class_init (method->klass);
5189 if ((code = mono_aot_get_method (domain, method))) {
5190 vtable = mono_class_vtable (domain, method->klass);
5192 mono_runtime_class_init (vtable);
5199 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5200 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5202 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5204 if (!piinfo->addr) {
5205 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5206 piinfo->addr = mono_lookup_internal_call (method);
5207 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5209 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);
5211 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);
5214 mono_lookup_pinvoke_call (method, NULL, NULL);
5216 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5217 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5218 jinfo = mono_jit_info_table_find (target_domain, code);
5220 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5222 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5225 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
5226 //mono_debug_add_wrapper (method, nm);
5227 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5228 const char *name = method->name;
5229 char *full_name, *msg;
5232 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5233 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5234 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5237 * We need to make sure this wrapper
5238 * is compiled because it might end up
5239 * in an (M)RGCTX if generic sharing
5240 * is enabled, and would be called
5241 * indirectly. If it were a
5242 * trampoline we'd try to patch that
5243 * indirect call, which is not
5246 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5247 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5248 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5249 return mono_create_delegate_trampoline (target_domain, method->klass);
5251 nm = mono_marshal_get_delegate_invoke (method, NULL);
5252 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5254 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5255 nm = mono_marshal_get_delegate_begin_invoke (method);
5256 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5257 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5258 nm = mono_marshal_get_delegate_end_invoke (method);
5259 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5263 full_name = mono_method_full_name (method, TRUE);
5264 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5265 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5271 if (mono_aot_only) {
5272 char *fullname = mono_method_full_name (method, TRUE);
5273 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
5275 *jit_ex = mono_get_exception_execution_engine (msg);
5282 jit_timer = g_timer_new ();
5284 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5285 prof_method = cfg->method;
5287 g_timer_stop (jit_timer);
5288 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5289 g_timer_destroy (jit_timer);
5291 switch (cfg->exception_type) {
5292 case MONO_EXCEPTION_NONE:
5294 case MONO_EXCEPTION_TYPE_LOAD:
5295 case MONO_EXCEPTION_MISSING_FIELD:
5296 case MONO_EXCEPTION_MISSING_METHOD:
5297 case MONO_EXCEPTION_FILE_NOT_FOUND:
5298 case MONO_EXCEPTION_BAD_IMAGE: {
5299 /* Throw a type load exception if needed */
5300 MonoLoaderError *error = mono_loader_get_last_error ();
5303 ex = mono_loader_error_prepare_exception (error);
5305 if (cfg->exception_ptr) {
5306 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5308 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5309 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5310 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5311 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5312 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5313 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5314 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5315 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5316 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5317 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5319 g_assert_not_reached ();
5324 case MONO_EXCEPTION_INVALID_PROGRAM:
5325 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5327 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5328 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5330 case MONO_EXCEPTION_METHOD_ACCESS:
5331 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5333 case MONO_EXCEPTION_FIELD_ACCESS:
5334 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5336 /* this can only be set if the security manager is active */
5337 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5338 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5339 MonoObject *exc = NULL;
5342 args [0] = &cfg->exception_data;
5344 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5346 ex = (MonoException*)exc;
5349 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5350 MonoException *exp = cfg->exception_ptr;
5351 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5356 case MONO_EXCEPTION_OUT_OF_MEMORY:
5357 ex = mono_domain_get ()->out_of_memory_ex;
5360 g_assert_not_reached ();
5364 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5365 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5367 mono_destroy_compile (cfg);
5373 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5374 mono_domain_lock (target_domain);
5376 /* Check if some other thread already did the job. In this case, we can
5377 discard the code this thread generated. */
5379 mono_domain_jit_code_hash_lock (target_domain);
5381 info = lookup_method_inner (target_domain, method);
5383 /* We can't use a domain specific method in another domain */
5384 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5385 code = info->code_start;
5386 // printf("Discarding code for method %s\n", method->name);
5391 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
5392 mono_domain_jit_code_hash_unlock (target_domain);
5393 code = cfg->native_code;
5395 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
5396 mono_stats.generics_shared_methods++;
5398 mono_domain_jit_code_hash_unlock (target_domain);
5401 jinfo = cfg->jit_info;
5403 prof_options = cfg->prof_options;
5406 * Update global stats while holding a lock, instead of doing many
5407 * InterlockedIncrement operations during JITting.
5409 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
5410 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
5411 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
5412 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
5413 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
5414 mono_jit_stats.regvars += cfg->stat_n_regvars;
5415 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
5416 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
5417 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
5418 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
5420 mono_destroy_compile (cfg);
5423 if (domain_jit_info (target_domain)->jump_target_hash) {
5424 MonoJumpInfo patch_info;
5425 MonoJumpList *jlist;
5427 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
5429 patch_info.next = NULL;
5430 patch_info.ip.i = 0;
5431 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
5432 patch_info.data.method = method;
5433 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
5435 for (tmp = jlist->list; tmp; tmp = tmp->next)
5436 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
5440 mono_emit_jit_map (jinfo);
5442 mono_domain_unlock (target_domain);
5443 mono_loader_unlock ();
5445 vtable = mono_class_vtable (target_domain, method->klass);
5447 ex = mono_class_get_exception_for_failure (method->klass);
5453 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
5454 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
5455 if (mono_marshal_method_from_wrapper (method)) {
5456 /* Native func wrappers have no method */
5457 /* The profiler doesn't know about wrappers, so pass the original icall method */
5458 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
5461 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5462 if (prof_method != method) {
5463 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
5467 ex = mono_runtime_class_init_full (vtable, FALSE);
5476 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
5478 MonoDomain *target_domain, *domain = mono_domain_get ();
5481 MonoJitICallInfo *callinfo = NULL;
5484 * ICALL wrappers are handled specially, since there is only one copy of them
5485 * shared by all appdomains.
5487 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
5488 const char *icall_name;
5490 icall_name = method->name + strlen ("__icall_wrapper_");
5491 g_assert (icall_name);
5492 callinfo = mono_find_jit_icall_by_name (icall_name);
5493 g_assert (callinfo);
5495 /* Must be domain neutral since there is only one copy */
5496 opt |= MONO_OPT_SHARED;
5499 if (method->dynamic)
5500 opt &= ~MONO_OPT_SHARED;
5502 /* These methods can become invalid when a domain is unloaded */
5503 if (method->klass->image != mono_get_corlib () || method->is_inflated)
5504 opt &= ~MONO_OPT_SHARED;
5506 if (opt & MONO_OPT_SHARED)
5507 target_domain = mono_get_root_domain ();
5509 target_domain = domain;
5511 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5512 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5515 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER)
5516 method = info->d.synchronized_inner.method;
5519 info = lookup_method (target_domain, method);
5521 /* We can't use a domain specific method in another domain */
5522 if (! ((domain != target_domain) && !info->domain_neutral)) {
5524 MonoException *tmpEx;
5526 mono_jit_stats.methods_lookups++;
5527 vtable = mono_class_vtable (domain, method->klass);
5529 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
5534 return mono_create_ftnptr (target_domain, info->code_start);
5538 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
5542 p = mono_create_ftnptr (target_domain, code);
5545 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
5546 mono_loader_lock ();
5548 if (!callinfo->wrapper) {
5549 callinfo->wrapper = p;
5550 mono_register_jit_icall_wrapper (callinfo, p);
5551 mono_debug_add_icall_wrapper (method, callinfo);
5554 mono_loader_unlock ();
5561 mono_jit_compile_method (MonoMethod *method)
5563 MonoException *ex = NULL;
5566 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
5569 mono_raise_exception (ex);
5575 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5577 invalidated_delegate_trampoline (char *desc)
5579 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
5580 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
5586 * mono_jit_free_method:
5588 * Free all memory allocated by the JIT for METHOD.
5591 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
5593 MonoJitDynamicMethodInfo *ji;
5594 gboolean destroy = TRUE;
5595 GHashTableIter iter;
5596 MonoJumpList *jlist;
5598 g_assert (method->dynamic);
5600 mono_domain_lock (domain);
5601 ji = mono_dynamic_code_hash_lookup (domain, method);
5602 mono_domain_unlock (domain);
5607 mono_debug_remove_method (method, domain);
5609 mono_domain_lock (domain);
5610 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
5611 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
5612 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
5613 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
5615 /* Remove jump targets in this method */
5616 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
5617 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
5618 GSList *tmp, *remove;
5621 for (tmp = jlist->list; tmp; tmp = tmp->next) {
5622 guint8 *ip = tmp->data;
5624 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
5625 remove = g_slist_prepend (remove, tmp);
5627 for (tmp = remove; tmp; tmp = tmp->next) {
5628 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
5630 g_slist_free (remove);
5633 mono_domain_unlock (domain);
5635 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5636 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
5638 * Instead of freeing the code, change it to call an error routine
5639 * so people can fix their code.
5641 char *type = mono_type_full_name (&method->klass->byval_arg);
5642 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
5645 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
5651 * This needs to be done before freeing code_mp, since the code address is the
5652 * key in the table, so if we free the code_mp first, another thread can grab the
5653 * same code address and replace our entry in the table.
5655 mono_jit_info_table_remove (domain, ji->ji);
5658 mono_code_manager_destroy (ji->code_mp);
5663 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
5665 MonoDomain *target_domain;
5668 if (default_opt & MONO_OPT_SHARED)
5669 target_domain = mono_get_root_domain ();
5671 target_domain = domain;
5673 info = lookup_method (target_domain, method);
5675 /* We can't use a domain specific method in another domain */
5676 if (! ((domain != target_domain) && !info->domain_neutral)) {
5677 mono_jit_stats.methods_lookups++;
5680 return info->code_start;
5690 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
5692 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
5697 gpointer compiled_method;
5698 gpointer runtime_invoke;
5700 MonoDynCallInfo *dyn_call_info;
5701 MonoClass *ret_box_class;
5702 } RuntimeInvokeInfo;
5705 * mono_jit_runtime_invoke:
5706 * @method: the method to invoke
5707 * @obj: this pointer
5708 * @params: array of parameter values.
5709 * @exc: used to catch exceptions objects
5712 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
5715 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
5716 MonoDomain *domain = mono_domain_get ();
5717 MonoJitDomainInfo *domain_info;
5718 RuntimeInvokeInfo *info, *info2;
5720 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
5721 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
5725 domain_info = domain_jit_info (domain);
5727 mono_domain_lock (domain);
5728 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5729 mono_domain_unlock (domain);
5732 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
5734 * This might be redundant since mono_class_vtable () already does this,
5735 * but keep it just in case for moonlight.
5737 mono_class_setup_vtable (method->klass);
5738 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
5740 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
5742 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
5747 info = g_new0 (RuntimeInvokeInfo, 1);
5749 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5750 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
5751 g_assert (info->vtable);
5753 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5754 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5756 * Array Get/Set/Address methods. The JIT implements them using inline code
5757 * inside the runtime invoke wrappers, so no need to compile them.
5759 info->compiled_method = NULL;
5761 MonoException *jit_ex = NULL;
5763 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
5764 if (!info->compiled_method) {
5768 *exc = (MonoObject*)jit_ex;
5771 mono_raise_exception (jit_ex);
5775 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
5776 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
5780 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
5781 * in full-aot mode, so we use a slower, but more generic wrapper if
5782 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
5784 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5785 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
5786 MonoMethodSignature *sig = mono_method_signature (method);
5787 gboolean supported = TRUE;
5790 if (method->string_ctor)
5791 sig = mono_marshal_get_string_ctor_signature (method);
5793 for (i = 0; i < sig->param_count; ++i) {
5794 MonoType *t = sig->params [i];
5796 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
5800 if (method->klass->contextbound || !info->compiled_method)
5804 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
5806 if (info->dyn_call_info) {
5807 switch (sig->ret->type) {
5808 case MONO_TYPE_VOID:
5820 case MONO_TYPE_BOOLEAN:
5821 case MONO_TYPE_CHAR:
5824 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5827 info->ret_box_class = mono_defaults.int_class;
5829 case MONO_TYPE_STRING:
5830 case MONO_TYPE_CLASS:
5831 case MONO_TYPE_ARRAY:
5832 case MONO_TYPE_SZARRAY:
5833 case MONO_TYPE_OBJECT:
5835 case MONO_TYPE_GENERICINST:
5836 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
5837 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5839 case MONO_TYPE_VALUETYPE:
5840 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5843 g_assert_not_reached ();
5850 if (!info->dyn_call_info)
5851 info->runtime_invoke = mono_jit_compile_method (invoke);
5853 mono_domain_lock (domain);
5854 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5859 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
5861 mono_domain_unlock (domain);
5864 runtime_invoke = info->runtime_invoke;
5867 * We need this here because mono_marshal_get_runtime_invoke can place
5868 * the helper method in System.Object and not the target class.
5871 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
5875 mono_runtime_class_init (info->vtable);
5878 /* The wrappers expect this to be initialized to NULL */
5882 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5883 if (info->dyn_call_info) {
5884 MonoMethodSignature *sig = mono_method_signature (method);
5886 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
5889 guint8 retval [128];
5891 if (!dyn_runtime_invoke) {
5892 invoke = mono_marshal_get_runtime_invoke_dynamic ();
5893 dyn_runtime_invoke = mono_jit_compile_method (invoke);
5896 /* Convert the arguments to the format expected by start_dyn_call () */
5897 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
5900 args [pindex ++] = &obj;
5901 for (i = 0; i < sig->param_count; ++i) {
5902 MonoType *t = sig->params [i];
5905 args [pindex ++] = ¶ms [i];
5906 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
5907 args [pindex ++] = ¶ms [i];
5909 args [pindex ++] = params [i];
5913 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
5915 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
5917 dyn_runtime_invoke (buf, exc, info->compiled_method);
5919 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
5921 if (info->ret_box_class)
5922 return mono_value_box (domain, info->ret_box_class, retval);
5924 return *(MonoObject**)retval;
5928 return runtime_invoke (obj, params, exc, info->compiled_method);
5932 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
5934 MonoException *exc = NULL;
5936 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
5941 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5943 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
5944 if (mono_arch_is_int_overflow (ctx, info))
5946 * The spec says this throws ArithmeticException, but MS throws the derived
5947 * OverflowException.
5949 exc = mono_get_exception_overflow ();
5951 exc = mono_get_exception_divide_by_zero ();
5953 exc = mono_get_exception_divide_by_zero ();
5957 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5960 mono_handle_native_sigsegv (SIGSEGV, ctx);
5963 mono_arch_handle_exception (ctx, exc);
5967 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
5972 exc = mono_get_exception_execution_engine ("SIGILL");
5974 mono_arch_handle_exception (ctx, exc);
5977 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
5978 #define HAVE_SIG_INFO
5982 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
5985 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
5986 gpointer fault_addr = NULL;
5990 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
5991 if (mono_arch_is_single_step_event (info, ctx)) {
5992 mono_debugger_agent_single_step_event (ctx);
5994 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
5995 mono_debugger_agent_breakpoint_hit (ctx);
6000 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6001 fault_addr = info->si_addr;
6002 if (mono_aot_is_pagefault (info->si_addr)) {
6003 mono_aot_handle_pagefault (info->si_addr);
6008 /* The thread might no be registered with the runtime */
6009 if (!mono_domain_get () || !jit_tls) {
6010 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6012 mono_handle_native_sigsegv (SIGSEGV, ctx);
6015 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6017 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6018 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6021 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6022 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6023 fault_addr = info->si_addr;
6024 if (fault_addr == NULL) {
6027 mono_arch_sigctx_to_monoctx (ctx, &mctx);
6029 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6033 if (jit_tls->stack_size &&
6034 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6036 * The hard-guard page has been hit: there is not much we can do anymore
6037 * Print a hopefully clear message and abort.
6039 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6040 g_assert_not_reached ();
6042 /* The original handler might not like that it is executed on an altstack... */
6043 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
6046 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6051 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6054 mono_handle_native_sigsegv (SIGSEGV, ctx);
6057 mono_arch_handle_exception (ctx, NULL);
6062 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
6067 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6069 mono_arch_handle_exception (ctx, exc);
6072 /* mono_jit_create_remoting_trampoline:
6073 * @method: pointer to the method info
6075 * Creates a trampoline which calls the remoting functions. This
6076 * is used in the vtable of transparent proxies.
6078 * Returns: a pointer to the newly created code
6081 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6084 guint8 *addr = NULL;
6086 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6087 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6091 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6092 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
6093 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6094 addr = mono_compile_method (nm);
6096 addr = mono_compile_method (method);
6098 return mono_get_addr_from_ftnptr (addr);
6101 static gpointer *vtable_trampolines;
6102 static int vtable_trampolines_size;
6105 mini_get_vtable_trampoline (int slot_index)
6107 int index = slot_index + MONO_IMT_SIZE;
6109 g_assert (slot_index >= - MONO_IMT_SIZE);
6110 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6112 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6116 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6117 while (new_size <= index)
6119 new_table = g_new0 (gpointer, new_size);
6121 if (vtable_trampolines)
6122 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6123 g_free (vtable_trampolines);
6124 mono_memory_barrier ();
6125 vtable_trampolines = new_table;
6126 vtable_trampolines_size = new_size;
6131 if (!vtable_trampolines [index])
6132 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6133 return vtable_trampolines [index];
6137 mini_get_imt_trampoline (int slot_index)
6139 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6143 mini_parse_debug_options (void)
6145 char *options = getenv ("MONO_DEBUG");
6146 gchar **args, **ptr;
6151 args = g_strsplit (options, ",", -1);
6153 for (ptr = args; ptr && *ptr; ptr++) {
6154 const char *arg = *ptr;
6156 if (!strcmp (arg, "handle-sigint"))
6157 debug_options.handle_sigint = TRUE;
6158 else if (!strcmp (arg, "keep-delegates"))
6159 debug_options.keep_delegates = TRUE;
6160 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6161 debug_options.reverse_pinvoke_exceptions = TRUE;
6162 else if (!strcmp (arg, "collect-pagefault-stats"))
6163 debug_options.collect_pagefault_stats = TRUE;
6164 else if (!strcmp (arg, "break-on-unverified"))
6165 debug_options.break_on_unverified = TRUE;
6166 else if (!strcmp (arg, "no-gdb-backtrace"))
6167 debug_options.no_gdb_backtrace = TRUE;
6168 else if (!strcmp (arg, "suspend-on-sigsegv"))
6169 debug_options.suspend_on_sigsegv = TRUE;
6170 else if (!strcmp (arg, "suspend-on-unhandled"))
6171 debug_options.suspend_on_unhandled = TRUE;
6172 else if (!strcmp (arg, "dont-free-domains"))
6173 mono_dont_free_domains = TRUE;
6174 else if (!strcmp (arg, "dyn-runtime-invoke"))
6175 debug_options.dyn_runtime_invoke = TRUE;
6176 else if (!strcmp (arg, "gdb"))
6177 debug_options.gdb = TRUE;
6178 else if (!strcmp (arg, "explicit-null-checks"))
6179 debug_options.explicit_null_checks = TRUE;
6180 else if (!strcmp (arg, "gen-seq-points"))
6181 debug_options.gen_seq_points = TRUE;
6182 else if (!strcmp (arg, "init-stacks"))
6183 debug_options.init_stacks = TRUE;
6184 else if (!strcmp (arg, "casts"))
6185 debug_options.better_cast_details = TRUE;
6186 else if (!strcmp (arg, "soft-breakpoints"))
6187 debug_options.soft_breakpoints = TRUE;
6189 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6190 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'suspend-on-unhandled', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks'\n");
6199 mini_get_debug_options (void)
6201 return &debug_options;
6205 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6207 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
6211 gpointer* desc = NULL;
6213 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
6216 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6220 # elif defined(__ppc64__) || defined(__powerpc64__)
6223 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6229 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
6235 mini_get_addr_from_ftnptr (gpointer descr)
6237 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6238 return *(gpointer*)descr;
6245 register_jit_stats (void)
6247 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
6248 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
6249 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6250 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6251 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6252 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
6253 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
6254 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
6255 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
6256 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
6257 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
6258 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
6259 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
6260 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
6261 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
6262 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
6263 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
6266 static void runtime_invoke_info_free (gpointer value);
6269 mini_create_jit_domain_info (MonoDomain *domain)
6271 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
6273 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6274 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6275 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6276 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6277 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6278 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
6279 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
6280 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
6281 info->jump_target_hash = g_hash_table_new (NULL, NULL);
6283 domain->runtime_info = info;
6287 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
6289 MonoJumpList *jlist = value;
6290 g_slist_free (jlist->list);
6294 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
6296 MonoJitDynamicMethodInfo *di = value;
6297 mono_code_manager_destroy (di->code_mp);
6302 runtime_invoke_info_free (gpointer value)
6304 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
6306 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6307 if (info->dyn_call_info)
6308 mono_arch_dyn_call_free (info->dyn_call_info);
6314 mini_free_jit_domain_info (MonoDomain *domain)
6316 MonoJitDomainInfo *info = domain_jit_info (domain);
6318 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6319 g_hash_table_destroy (info->jump_target_hash);
6320 if (info->jump_target_got_slot_hash) {
6321 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6322 g_hash_table_destroy (info->jump_target_got_slot_hash);
6324 if (info->dynamic_code_hash) {
6325 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6326 g_hash_table_destroy (info->dynamic_code_hash);
6328 if (info->method_code_hash)
6329 g_hash_table_destroy (info->method_code_hash);
6330 g_hash_table_destroy (info->class_init_trampoline_hash);
6331 g_hash_table_destroy (info->jump_trampoline_hash);
6332 g_hash_table_destroy (info->jit_trampoline_hash);
6333 g_hash_table_destroy (info->delegate_trampoline_hash);
6334 if (info->static_rgctx_trampoline_hash)
6335 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6336 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6337 g_hash_table_destroy (info->runtime_invoke_hash);
6338 g_hash_table_destroy (info->seq_points);
6339 g_hash_table_destroy (info->arch_seq_points);
6341 if (info->agent_info)
6342 mono_debugger_agent_free_domain_info (domain);
6344 g_free (domain->runtime_info);
6345 domain->runtime_info = NULL;
6349 mini_init (const char *filename, const char *runtime_version)
6352 MonoRuntimeCallbacks callbacks;
6353 MonoThreadInfoRuntimeCallbacks ticallbacks;
6355 MONO_PROBE_VES_INIT_BEGIN ();
6357 #if defined(__linux__) && !defined(__native_client__)
6358 if (access ("/proc/self/maps", F_OK) != 0) {
6359 g_print ("Mono requires /proc to be mounted.\n");
6364 /* Happens when using the embedding interface */
6365 if (!default_opt_set)
6366 default_opt = mono_parse_default_optimizations (NULL);
6368 InitializeCriticalSection (&jit_mutex);
6370 #ifdef MONO_DEBUGGER_SUPPORTED
6371 if (mini_debug_running_inside_mdb ())
6372 mini_debugger_init ();
6375 #ifdef MONO_HAVE_FAST_TLS
6376 MONO_FAST_TLS_INIT (mono_jit_tls);
6377 MONO_FAST_TLS_INIT (mono_lmf_addr);
6378 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
6379 MONO_FAST_TLS_INIT (mono_lmf);
6383 #ifdef MONO_ARCH_HAVE_TLS_GET
6384 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
6386 mono_runtime_set_has_tls_get (FALSE);
6389 if (!global_codeman)
6390 global_codeman = mono_code_manager_new ();
6391 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
6393 memset (&callbacks, 0, sizeof (callbacks));
6394 callbacks.create_ftnptr = mini_create_ftnptr;
6395 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
6396 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
6397 callbacks.set_cast_details = mono_set_cast_details;
6398 callbacks.debug_log = mono_debugger_agent_debug_log;
6399 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
6401 #ifdef MONO_ARCH_HAVE_IMT
6403 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
6404 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
6408 mono_install_callbacks (&callbacks);
6410 memset (&ticallbacks, 0, sizeof (ticallbacks));
6411 ticallbacks.setup_async_callback = mono_setup_async_callback;
6412 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
6413 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
6415 mono_threads_runtime_init (&ticallbacks);
6418 if (getenv ("MONO_DEBUG") != NULL)
6419 mini_parse_debug_options ();
6421 mono_arch_cpu_init ();
6425 mono_unwind_init ();
6427 if (getenv ("MONO_XDEBUG")) {
6428 char *xdebug_opts = getenv ("MONO_XDEBUG");
6429 mono_xdebug_init (xdebug_opts);
6430 /* So methods for multiple domains don't have the same address */
6431 mono_dont_free_domains = TRUE;
6432 mono_using_xdebug = TRUE;
6433 } else if (mini_get_debug_options ()->gdb) {
6434 mono_xdebug_init ((char*)"gdb");
6435 mono_dont_free_domains = TRUE;
6436 mono_using_xdebug = TRUE;
6440 if (mono_use_llvm) {
6441 if (!mono_llvm_load (NULL)) {
6442 mono_use_llvm = FALSE;
6443 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
6450 mono_trampolines_init ();
6452 if (!g_thread_supported ())
6453 g_thread_init (NULL);
6455 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
6456 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
6458 if (default_opt & MONO_OPT_AOT)
6461 mono_debugger_agent_init ();
6463 #ifdef MONO_ARCH_GSHARED_SUPPORTED
6464 mono_set_generic_sharing_supported (TRUE);
6467 #ifndef MONO_CROSS_COMPILE
6468 mono_runtime_install_handlers ();
6470 mono_threads_install_cleanup (mini_thread_cleanup);
6472 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
6473 // This is experimental code so provide an env var to switch it off
6474 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
6475 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
6477 check_for_pending_exc = FALSE;
6478 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
6482 #define JIT_TRAMPOLINES_WORK
6483 #ifdef JIT_TRAMPOLINES_WORK
6484 mono_install_compile_method (mono_jit_compile_method);
6485 mono_install_free_method (mono_jit_free_method);
6486 mono_install_trampoline (mono_create_jit_trampoline);
6487 mono_install_jump_trampoline (mono_create_jump_trampoline);
6488 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
6489 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
6490 mono_install_create_domain_hook (mini_create_jit_domain_info);
6491 mono_install_free_domain_hook (mini_free_jit_domain_info);
6493 #define JIT_INVOKE_WORKS
6494 #ifdef JIT_INVOKE_WORKS
6495 mono_install_runtime_invoke (mono_jit_runtime_invoke);
6497 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
6498 mono_install_get_class_from_name (mono_aot_get_class_from_name);
6499 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
6501 if (debug_options.collect_pagefault_stats) {
6502 mono_aot_set_make_unreadable (TRUE);
6505 if (runtime_version)
6506 domain = mono_init_version (filename, runtime_version);
6508 domain = mono_init_from_assembly (filename, filename);
6510 if (mono_aot_only) {
6511 /* This helps catch code allocation requests */
6512 mono_code_manager_set_read_only (domain->code_mp);
6513 mono_marshal_use_aot_wrappers (TRUE);
6516 #ifdef MONO_ARCH_HAVE_IMT
6519 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
6521 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
6524 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
6525 mono_arch_finish_init ();
6528 /* This must come after mono_init () in the aot-only case */
6529 mono_exceptions_init ();
6533 /* This should come after mono_init () too */
6536 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
6537 ves_icall_get_frame_info);
6538 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
6539 ves_icall_get_trace);
6540 mono_add_internal_call ("System.Exception::get_trace",
6541 ves_icall_System_Exception_get_trace);
6542 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
6543 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
6544 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
6545 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
6546 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
6547 mono_runtime_install_handlers);
6549 mono_create_helper_signatures ();
6551 register_jit_stats ();
6553 #define JIT_CALLS_WORK
6554 #ifdef JIT_CALLS_WORK
6555 /* Needs to be called here since register_jit_icall depends on it */
6556 mono_marshal_init ();
6558 mono_arch_register_lowlevel_calls ();
6559 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
6560 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
6561 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
6562 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
6563 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
6564 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
6565 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
6566 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
6568 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
6569 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
6570 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
6572 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
6573 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
6574 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
6575 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
6576 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
6578 #if defined(__native_client__) || defined(__native_client_codegen__)
6579 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
6582 * NOTE, NOTE, NOTE, NOTE:
6583 * when adding emulation for some opcodes, remember to also add a dummy
6584 * rule to the burg files, because we need the arity information to be correct.
6586 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
6587 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
6588 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
6589 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
6590 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
6591 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
6592 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
6593 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
6596 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
6597 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
6598 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
6599 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
6602 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
6603 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
6604 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6605 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
6606 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6609 #ifdef MONO_ARCH_EMULATE_MUL_DIV
6610 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
6613 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
6614 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6615 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6618 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
6619 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
6622 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
6623 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
6624 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
6625 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
6627 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
6628 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
6630 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
6631 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6633 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
6634 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
6636 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
6637 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
6639 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
6640 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
6642 #ifdef MONO_ARCH_EMULATE_FREM
6643 #if defined(__default_codegen__)
6644 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
6645 #elif defined(__native_client_codegen__)
6646 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, FALSE);
6650 #ifdef MONO_ARCH_SOFT_FLOAT
6651 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
6652 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
6653 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
6654 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
6655 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
6656 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
6657 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
6658 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
6659 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
6660 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
6661 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
6662 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
6663 #if SIZEOF_VOID_P == 4
6664 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
6667 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
6668 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
6669 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
6670 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
6671 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
6672 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
6673 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
6674 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
6675 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
6676 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
6678 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
6679 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
6680 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
6681 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
6682 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
6684 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
6685 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
6686 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
6687 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
6690 #ifdef COMPRESSED_INTERFACE_BITMAP
6691 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
6694 #if SIZEOF_REGISTER == 4
6695 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
6698 /* other jit icalls */
6699 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
6700 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
6701 "ptr ptr ptr", FALSE);
6702 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
6703 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
6704 "ptr ptr ptr ptr", FALSE);
6705 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
6706 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
6707 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
6708 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
6709 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
6710 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
6711 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
6712 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
6713 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
6714 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
6715 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
6716 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
6717 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
6718 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
6719 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
6720 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
6721 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
6722 register_icall (mono_break, "mono_break", NULL, TRUE);
6723 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
6724 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
6725 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
6726 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
6727 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
6728 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
6729 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
6730 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
6732 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
6734 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
6735 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
6737 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
6741 mono_generic_sharing_init ();
6743 #ifdef MONO_ARCH_SIMD_INTRINSICS
6744 mono_simd_intrinsics_init ();
6747 #if MONO_SUPPORT_TASKLETS
6748 mono_tasklets_init ();
6751 if (mono_compile_aot)
6753 * Avoid running managed code when AOT compiling, since the platform
6754 * might only support aot-only execution.
6756 mono_runtime_set_no_exec (TRUE);
6758 #define JIT_RUNTIME_WORKS
6759 #ifdef JIT_RUNTIME_WORKS
6760 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
6761 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
6762 mono_thread_attach (domain);
6765 mono_profiler_runtime_initialized ();
6767 MONO_PROBE_VES_INIT_END ();
6772 MonoJitStats mono_jit_stats = {0};
6775 print_jit_stats (void)
6777 if (mono_jit_stats.enabled) {
6778 g_print ("Mono Jit statistics\n");
6779 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
6780 mono_jit_stats.max_ratio_method);
6781 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
6782 mono_jit_stats.biggest_method);
6784 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
6785 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
6786 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
6787 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
6788 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
6789 g_print ("Methods: %ld\n", mono_stats.method_count);
6790 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
6791 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
6792 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
6794 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
6795 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
6796 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
6798 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
6799 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
6800 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
6802 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
6803 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
6804 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
6806 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
6807 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
6808 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
6809 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
6810 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
6811 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
6812 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
6813 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
6815 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
6816 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
6817 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
6819 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
6820 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
6821 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
6822 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
6823 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
6824 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
6825 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
6826 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
6827 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
6828 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
6829 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
6830 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
6833 g_free (mono_jit_stats.max_ratio_method);
6834 mono_jit_stats.max_ratio_method = NULL;
6835 g_free (mono_jit_stats.biggest_method);
6836 mono_jit_stats.biggest_method = NULL;
6841 mini_cleanup (MonoDomain *domain)
6843 mono_runtime_shutdown_stat_profiler ();
6846 cominterop_release_all_rcws ();
6849 #ifndef MONO_CROSS_COMPILE
6850 mono_runtime_shutdown ();
6852 * mono_runtime_cleanup() and mono_domain_finalize () need to
6853 * be called early since they need the execution engine still
6854 * fully working (mono_domain_finalize may invoke managed finalizers
6855 * and mono_runtime_cleanup will wait for other threads to finish).
6857 mono_domain_finalize (domain, 2000);
6860 /* This accesses metadata so needs to be called before runtime shutdown */
6863 mono_profiler_shutdown ();
6865 #ifndef MONO_CROSS_COMPILE
6866 mono_runtime_cleanup (domain);
6869 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
6871 mono_icall_cleanup ();
6873 mono_runtime_cleanup_handlers ();
6875 mono_domain_free (domain, TRUE);
6877 mono_debugger_cleanup ();
6881 mono_llvm_cleanup ();
6884 mono_aot_cleanup ();
6886 mono_trampolines_cleanup ();
6888 mono_unwind_cleanup ();
6890 if (!mono_dont_free_global_codeman)
6891 mono_code_manager_destroy (global_codeman);
6892 g_hash_table_destroy (jit_icall_name_hash);
6893 g_free (emul_opcode_map);
6894 g_free (emul_opcode_opcodes);
6895 g_free (vtable_trampolines);
6897 mono_arch_cleanup ();
6899 mono_generic_sharing_cleanup ();
6903 mono_trace_cleanup ();
6905 mono_counters_dump (-1, stdout);
6907 if (mono_inject_async_exc_method)
6908 mono_method_desc_free (mono_inject_async_exc_method);
6910 mono_native_tls_free (mono_jit_tls_id);
6912 DeleteCriticalSection (&jit_mutex);
6914 DeleteCriticalSection (&mono_delegate_section);
6918 mono_set_defaults (int verbose_level, guint32 opts)
6920 mini_verbose = verbose_level;
6922 default_opt_set = TRUE;
6926 mono_disable_optimizations (guint32 opts)
6928 default_opt &= ~opts;
6932 mono_set_optimizations (guint32 opts)
6935 default_opt_set = TRUE;
6939 mono_set_verbose_level (guint32 level)
6941 mini_verbose = level;
6945 * mono_get_runtime_build_info:
6947 * Return the runtime version + build date in string format.
6948 * The returned string is owned by the caller. The returned string
6949 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
6952 mono_get_runtime_build_info (void)
6954 if (mono_build_date)
6955 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
6957 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
6961 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
6963 GHashTable *assemblies = (GHashTable*)user_data;
6964 MonoImage *image = mono_assembly_get_image (ass);
6965 MonoMethod *method, *invoke;
6968 if (g_hash_table_lookup (assemblies, ass))
6971 g_hash_table_insert (assemblies, ass, ass);
6973 if (mini_verbose > 0)
6974 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
6976 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
6977 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
6978 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
6982 if (mini_verbose > 1) {
6983 char * desc = mono_method_full_name (method, TRUE);
6984 g_print ("Compiling %d %s\n", count, desc);
6987 mono_compile_method (method);
6988 if (strcmp (method->name, "Finalize") == 0) {
6989 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6990 mono_compile_method (invoke);
6992 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
6993 invoke = mono_marshal_get_remoting_invoke_with_check (method);
6994 mono_compile_method (invoke);
6998 /* Load and precompile referenced assemblies as well */
6999 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7000 mono_assembly_load_reference (image, i);
7001 if (image->references [i])
7002 mono_precompile_assembly (image->references [i], assemblies);
7006 void mono_precompile_assemblies ()
7008 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7010 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7012 g_hash_table_destroy (assemblies);
7018 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7019 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7023 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7025 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7026 hole->clause = clause;
7027 hole->start_offset = start - cfg->native_code;
7028 hole->basic_block = bb;
7030 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7034 mono_cfg_set_exception (MonoCompile *cfg, int type)
7036 cfg->exception_type = type;