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;
370 MonoGenericSharingContext*gsctx;
371 const char *shared_type;
373 ji = mini_jit_info_table_find (domain, ip, &target_domain);
376 user_data.method = NULL;
377 mono_domain_lock (domain);
378 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
379 mono_domain_unlock (domain);
380 if (user_data.method) {
381 char *mname = mono_method_full_name (user_data.method, TRUE);
382 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
386 g_print ("No method at %p\n", ip);
390 method = mono_method_full_name (ji->method, TRUE);
391 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
393 gsctx = mono_jit_info_get_generic_sharing_context (ji);
396 if (gsctx->var_is_vt || gsctx->mvar_is_vt)
397 shared_type = "gsharedvt ";
399 shared_type = "gshared ";
402 g_print ("IP %p at offset 0x%x of %smethod %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), shared_type, method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
405 g_print ("%s:%d\n", source->source_file, source->row);
408 mono_debug_free_source_location (source);
413 * mono_method_same_domain:
415 * Determine whenever two compiled methods are in the same domain, thus
416 * the address of the callee can be embedded in the caller.
418 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
420 if (!caller || !callee)
424 * If the call was made from domain-neutral to domain-specific
425 * code, we can't patch the call site.
427 if (caller->domain_neutral && !callee->domain_neutral)
430 if ((caller->method->klass == mono_defaults.appdomain_class) &&
431 (strstr (caller->method->name, "InvokeInDomain"))) {
432 /* The InvokeInDomain methods change the current appdomain */
440 * mono_global_codeman_reserve:
442 * Allocate code memory from the global code manager.
444 void *mono_global_codeman_reserve (int size)
449 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
451 if (!global_codeman) {
452 /* This can happen during startup */
453 global_codeman = mono_code_manager_new ();
454 return mono_code_manager_reserve (global_codeman, size);
458 ptr = mono_code_manager_reserve (global_codeman, size);
464 #if defined(__native_client_codegen__) && defined(__native_client__)
468 #ifdef __native_client_gc__
469 __nacl_suspend_thread_if_needed();
473 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
474 * which we are generating code, return a pointer to the destination in the
475 * dynamic code segment into which the code will be copied when
476 * mono_global_codeman_commit is called.
477 * LOCKING: Acquires the jit lock.
480 nacl_global_codeman_get_dest (void *data)
484 dest = nacl_code_manager_get_code_dest (global_codeman, data);
490 mono_global_codeman_commit (void *data, int size, int newsize)
493 mono_code_manager_commit (global_codeman, data, size, newsize);
498 * Convenience function which calls mono_global_codeman_commit to validate and
499 * copy the code. The caller sets *buf_base and *buf_size to the start and size
500 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
501 * the byte after the last instruction byte. On return, *buf_base will point to
502 * the start of the copied in the code segment, and *code_end will point after
503 * the end of the copied code.
506 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
508 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
509 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
510 *code_end = tmp + (*code_end - *buf_base);
514 /* no-op versions of Native Client functions */
516 nacl_global_codeman_get_dest (void *data)
522 mono_global_codeman_commit (void *data, int size, int newsize)
527 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
531 #endif /* __native_client__ */
534 * mono_create_unwind_op:
536 * Create an unwind op with the given parameters.
539 mono_create_unwind_op (int when, int tag, int reg, int val)
541 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
552 * mono_emit_unwind_op:
554 * Add an unwind op with the given parameters for the list of unwind ops stored in
558 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
560 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
567 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
571 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
573 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
576 res->has_context = context != NULL;
578 memcpy (&res->context, context, sizeof (MonoGenericContext));
584 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
586 return mono_jump_info_token_new2 (mp, image, token, NULL);
590 * mono_tramp_info_create:
592 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
593 * of NAME, JI, and UNWIND_OPS.
596 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
598 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
600 info->name = (char*)name;
602 info->code_size = code_size;
604 info->unwind_ops = unwind_ops;
610 mono_tramp_info_free (MonoTrampInfo *info)
617 for (l = info->unwind_ops; l; l = l->next)
619 g_slist_free (info->unwind_ops);
623 G_GNUC_UNUSED static void
629 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
630 * Set a breakpoint in break_count () to break the last time <x> is done.
632 G_GNUC_UNUSED gboolean
633 mono_debug_count (void)
635 static int count = 0;
638 if (!getenv ("COUNT"))
641 if (count == atoi (getenv ("COUNT"))) {
645 if (count > atoi (getenv ("COUNT"))) {
652 #define MONO_INIT_VARINFO(vi,id) do { \
653 (vi)->range.first_use.pos.bid = 0xffff; \
659 * mono_unlink_bblock:
661 * Unlink two basic blocks.
664 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
670 for (i = 0; i < from->out_count; ++i) {
671 if (to == from->out_bb [i]) {
678 for (i = 0; i < from->out_count; ++i) {
679 if (from->out_bb [i] != to)
680 from->out_bb [pos ++] = from->out_bb [i];
682 g_assert (pos == from->out_count - 1);
687 for (i = 0; i < to->in_count; ++i) {
688 if (from == to->in_bb [i]) {
695 for (i = 0; i < to->in_count; ++i) {
696 if (to->in_bb [i] != from)
697 to->in_bb [pos ++] = to->in_bb [i];
699 g_assert (pos == to->in_count - 1);
705 * mono_bblocks_linked:
707 * Return whenever BB1 and BB2 are linked in the CFG.
710 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
714 for (i = 0; i < bb1->out_count; ++i) {
715 if (bb1->out_bb [i] == bb2)
723 mono_find_block_region_notry (MonoCompile *cfg, int offset)
725 MonoMethodHeader *header = cfg->header;
726 MonoExceptionClause *clause;
729 for (i = 0; i < header->num_clauses; ++i) {
730 clause = &header->clauses [i];
731 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
732 (offset < (clause->handler_offset)))
733 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
735 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
736 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
737 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
738 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
739 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
741 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
749 * mono_get_block_region_notry:
751 * Return the region corresponding to REGION, ignoring try clauses nested inside
755 mono_get_block_region_notry (MonoCompile *cfg, int region)
757 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
758 MonoMethodHeader *header = cfg->header;
761 * This can happen if a try clause is nested inside a finally clause.
763 int clause_index = (region >> 8) - 1;
764 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
766 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
773 mono_find_spvar_for_region (MonoCompile *cfg, int region)
775 region = mono_get_block_region_notry (cfg, region);
777 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
781 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
785 array [*dfn] = start;
786 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
787 for (i = 0; i < start->out_count; ++i) {
788 if (start->out_bb [i]->dfn)
791 start->out_bb [i]->dfn = *dfn;
792 start->out_bb [i]->df_parent = start;
793 array [*dfn] = start->out_bb [i];
794 df_visit (start->out_bb [i], dfn, array);
799 mono_reverse_branch_op (guint32 opcode)
801 static const int reverse_map [] = {
802 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
803 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
805 static const int reverse_fmap [] = {
806 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
807 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
809 static const int reverse_lmap [] = {
810 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
811 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
813 static const int reverse_imap [] = {
814 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
815 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
818 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
819 opcode = reverse_map [opcode - CEE_BEQ];
820 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
821 opcode = reverse_fmap [opcode - OP_FBEQ];
822 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
823 opcode = reverse_lmap [opcode - OP_LBEQ];
824 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
825 opcode = reverse_imap [opcode - OP_IBEQ];
827 g_assert_not_reached ();
833 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
836 return OP_STORE_MEMBASE_REG;
839 switch (type->type) {
842 case MONO_TYPE_BOOLEAN:
843 return OP_STOREI1_MEMBASE_REG;
847 return OP_STOREI2_MEMBASE_REG;
850 return OP_STOREI4_MEMBASE_REG;
854 case MONO_TYPE_FNPTR:
855 return OP_STORE_MEMBASE_REG;
856 case MONO_TYPE_CLASS:
857 case MONO_TYPE_STRING:
858 case MONO_TYPE_OBJECT:
859 case MONO_TYPE_SZARRAY:
860 case MONO_TYPE_ARRAY:
861 return OP_STORE_MEMBASE_REG;
864 return OP_STOREI8_MEMBASE_REG;
866 return OP_STORER4_MEMBASE_REG;
868 return OP_STORER8_MEMBASE_REG;
869 case MONO_TYPE_VALUETYPE:
870 if (type->data.klass->enumtype) {
871 type = mono_class_enum_basetype (type->data.klass);
874 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
875 return OP_STOREX_MEMBASE;
876 return OP_STOREV_MEMBASE;
877 case MONO_TYPE_TYPEDBYREF:
878 return OP_STOREV_MEMBASE;
879 case MONO_TYPE_GENERICINST:
880 type = &type->data.generic_class->container_class->byval_arg;
884 if (mini_type_var_is_vt (cfg, type))
885 return OP_STOREV_MEMBASE;
887 return OP_STORE_MEMBASE_REG;
889 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
895 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
898 return OP_LOAD_MEMBASE;
900 type = mono_type_get_underlying_type (type);
902 switch (type->type) {
904 return OP_LOADI1_MEMBASE;
906 case MONO_TYPE_BOOLEAN:
907 return OP_LOADU1_MEMBASE;
909 return OP_LOADI2_MEMBASE;
912 return OP_LOADU2_MEMBASE;
914 return OP_LOADI4_MEMBASE;
916 return OP_LOADU4_MEMBASE;
920 case MONO_TYPE_FNPTR:
921 return OP_LOAD_MEMBASE;
922 case MONO_TYPE_CLASS:
923 case MONO_TYPE_STRING:
924 case MONO_TYPE_OBJECT:
925 case MONO_TYPE_SZARRAY:
926 case MONO_TYPE_ARRAY:
927 return OP_LOAD_MEMBASE;
930 return OP_LOADI8_MEMBASE;
932 return OP_LOADR4_MEMBASE;
934 return OP_LOADR8_MEMBASE;
935 case MONO_TYPE_VALUETYPE:
936 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
937 return OP_LOADX_MEMBASE;
938 case MONO_TYPE_TYPEDBYREF:
939 return OP_LOADV_MEMBASE;
940 case MONO_TYPE_GENERICINST:
941 if (mono_type_generic_inst_is_valuetype (type))
942 return OP_LOADV_MEMBASE;
944 return OP_LOAD_MEMBASE;
948 g_assert (cfg->generic_sharing_context);
949 if (mini_type_var_is_vt (cfg, type))
950 return OP_LOADV_MEMBASE;
952 return OP_LOAD_MEMBASE;
954 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
960 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
962 if (cfg->generic_sharing_context && !type->byref) {
963 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
964 if (mini_type_var_is_vt (cfg, type))
967 return CEE_LDIND_REF;
970 return mono_type_to_ldind (type);
976 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
978 if (cfg->generic_sharing_context && !type->byref) {
979 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
980 if (mini_type_var_is_vt (cfg, type))
983 return CEE_STIND_REF;
986 return mono_type_to_stind (type);
990 mono_op_imm_to_op (int opcode)
994 #if SIZEOF_REGISTER == 4
1010 #if SIZEOF_REGISTER == 4
1016 #if SIZEOF_REGISTER == 4
1022 #if SIZEOF_REGISTER == 4
1047 case OP_ISHR_UN_IMM:
1049 case OP_LSHR_UN_IMM:
1053 case OP_IDIV_UN_IMM:
1055 case OP_IREM_UN_IMM:
1060 #if SIZEOF_REGISTER == 4
1066 #if SIZEOF_REGISTER == 4
1083 case OP_COMPARE_IMM:
1085 case OP_ICOMPARE_IMM:
1087 case OP_LOCALLOC_IMM:
1090 printf ("%s\n", mono_inst_name (opcode));
1091 g_assert_not_reached ();
1097 * mono_decompose_op_imm:
1099 * Replace the OP_.._IMM INS with its non IMM variant.
1102 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1106 MONO_INST_NEW (cfg, temp, OP_ICONST);
1107 temp->inst_c0 = ins->inst_imm;
1108 temp->dreg = mono_alloc_ireg (cfg);
1109 mono_bblock_insert_before_ins (bb, ins, temp);
1110 ins->opcode = mono_op_imm_to_op (ins->opcode);
1111 if (ins->opcode == OP_LOCALLOC)
1112 ins->sreg1 = temp->dreg;
1114 ins->sreg2 = temp->dreg;
1116 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1122 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1124 if (vreg >= cfg->vreg_to_inst_len) {
1125 MonoInst **tmp = cfg->vreg_to_inst;
1126 int size = cfg->vreg_to_inst_len;
1128 while (vreg >= cfg->vreg_to_inst_len)
1129 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1130 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1132 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1134 cfg->vreg_to_inst [vreg] = inst;
1137 #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)))
1138 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1143 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1151 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1154 int num = cfg->num_varinfo;
1157 if ((num + 1) >= cfg->varinfo_count) {
1158 int orig_count = cfg->varinfo_count;
1159 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1160 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1161 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1162 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1165 cfg->stat_allocate_var++;
1167 MONO_INST_NEW (cfg, inst, opcode);
1168 inst->inst_c0 = num;
1169 inst->inst_vtype = type;
1170 inst->klass = mono_class_from_mono_type (type);
1171 type_to_eval_stack_type (cfg, type, inst);
1172 /* if set to 1 the variable is native */
1173 inst->backend.is_pinvoke = 0;
1176 if (inst->klass->exception_type)
1177 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1179 if (cfg->compute_gc_maps) {
1181 mono_mark_vreg_as_mp (cfg, vreg);
1183 MonoType *t = mini_type_get_underlying_type (NULL, type);
1184 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1185 inst->flags |= MONO_INST_GC_TRACK;
1186 mono_mark_vreg_as_ref (cfg, vreg);
1191 cfg->varinfo [num] = inst;
1193 MONO_INIT_VARINFO (&cfg->vars [num], num);
1194 MONO_VARINFO (cfg, num)->vreg = vreg;
1197 set_vreg_to_inst (cfg, vreg, inst);
1199 #if SIZEOF_REGISTER == 4
1200 #ifdef MONO_ARCH_SOFT_FLOAT
1201 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1203 regpair = mono_type_is_long (type);
1213 * These two cannot be allocated using create_var_for_vreg since that would
1214 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1218 * Set flags to VOLATILE so SSA skips it.
1221 if (cfg->verbose_level >= 4) {
1222 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1225 #ifdef MONO_ARCH_SOFT_FLOAT
1226 if (cfg->opt & MONO_OPT_SSA) {
1227 if (mono_type_is_float (type))
1228 inst->flags = MONO_INST_VOLATILE;
1232 /* Allocate a dummy MonoInst for the first vreg */
1233 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1234 tree->dreg = inst->dreg + 1;
1235 if (cfg->opt & MONO_OPT_SSA)
1236 tree->flags = MONO_INST_VOLATILE;
1237 tree->inst_c0 = num;
1238 tree->type = STACK_I4;
1239 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1240 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1242 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1244 /* Allocate a dummy MonoInst for the second vreg */
1245 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1246 tree->dreg = inst->dreg + 2;
1247 if (cfg->opt & MONO_OPT_SSA)
1248 tree->flags = MONO_INST_VOLATILE;
1249 tree->inst_c0 = num;
1250 tree->type = STACK_I4;
1251 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1252 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1254 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1258 if (cfg->verbose_level > 2)
1259 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1264 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1268 if (mono_type_is_long (type))
1269 dreg = mono_alloc_dreg (cfg, STACK_I8);
1270 #ifdef MONO_ARCH_SOFT_FLOAT
1271 else if (mono_type_is_float (type))
1272 dreg = mono_alloc_dreg (cfg, STACK_R8);
1275 /* All the others are unified */
1276 dreg = mono_alloc_preg (cfg);
1278 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1282 * Transform a MonoInst into a load from the variable of index var_index.
1285 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1286 memset (dest, 0, sizeof (MonoInst));
1287 dest->inst_i0 = cfg->varinfo [var_index];
1288 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1289 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1290 dest->klass = dest->inst_i0->klass;
1296 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1298 if (vreg >= cfg->vreg_is_ref_len) {
1299 gboolean *tmp = cfg->vreg_is_ref;
1300 int size = cfg->vreg_is_ref_len;
1302 while (vreg >= cfg->vreg_is_ref_len)
1303 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1304 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1306 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1308 cfg->vreg_is_ref [vreg] = TRUE;
1312 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1314 if (vreg >= cfg->vreg_is_mp_len) {
1315 gboolean *tmp = cfg->vreg_is_mp;
1316 int size = cfg->vreg_is_mp_len;
1318 while (vreg >= cfg->vreg_is_mp_len)
1319 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1320 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1322 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1324 cfg->vreg_is_mp [vreg] = TRUE;
1328 type_from_stack_type (MonoInst *ins) {
1329 switch (ins->type) {
1330 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1331 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1332 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1333 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1336 * this if used to be commented without any specific reason, but
1337 * it breaks #80235 when commented
1340 return &ins->klass->this_arg;
1342 return &mono_defaults.object_class->this_arg;
1344 /* ins->klass may not be set for ldnull.
1345 * Also, if we have a boxed valuetype, we want an object lass,
1346 * not the valuetype class
1348 if (ins->klass && !ins->klass->valuetype)
1349 return &ins->klass->byval_arg;
1350 return &mono_defaults.object_class->byval_arg;
1351 case STACK_VTYPE: return &ins->klass->byval_arg;
1353 g_error ("stack type %d to montype not handled\n", ins->type);
1359 mono_type_from_stack_type (MonoInst *ins) {
1360 return type_from_stack_type (ins);
1364 * mono_add_ins_to_end:
1366 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1369 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1374 MONO_ADD_INS (bb, inst);
1378 switch (bb->last_ins->opcode) {
1392 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1395 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1396 /* Need to insert the ins before the compare */
1397 if (bb->code == bb->last_ins) {
1398 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1402 if (bb->code->next == bb->last_ins) {
1403 /* Only two instructions */
1404 opcode = bb->code->opcode;
1406 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)) {
1408 mono_bblock_insert_before_ins (bb, bb->code, inst);
1410 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1413 opcode = bb->last_ins->prev->opcode;
1415 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)) {
1417 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1419 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1424 MONO_ADD_INS (bb, inst);
1430 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1432 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1433 MonoJumpInfoBBTable *table;
1435 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1437 table->table_size = num_blocks;
1439 ji->ip.label = label;
1440 ji->type = MONO_PATCH_INFO_SWITCH;
1441 ji->data.table = table;
1442 ji->next = cfg->patch_info;
1443 cfg->patch_info = ji;
1446 static MonoMethodSignature *
1447 mono_get_array_new_va_signature (int arity)
1449 static GHashTable *sighash = NULL;
1450 MonoMethodSignature *res;
1455 sighash = g_hash_table_new (NULL, NULL);
1457 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1462 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1465 #ifdef MONO_ARCH_VARARG_ICALLS
1466 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1467 res->call_convention = MONO_CALL_VARARG;
1471 res->call_convention = MONO_CALL_C;
1474 res->params [0] = &mono_defaults.int_class->byval_arg;
1475 for (i = 0; i < arity; i++)
1476 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1478 res->ret = &mono_defaults.object_class->byval_arg;
1480 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1487 mono_get_array_new_va_icall (int rank)
1489 MonoMethodSignature *esig;
1490 char icall_name [256];
1492 MonoJitICallInfo *info;
1494 /* Need to register the icall so it gets an icall wrapper */
1495 sprintf (icall_name, "ves_array_new_va_%d", rank);
1498 info = mono_find_jit_icall_by_name (icall_name);
1500 esig = mono_get_array_new_va_signature (rank);
1501 name = g_strdup (icall_name);
1502 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1504 g_hash_table_insert (jit_icall_name_hash, name, name);
1512 mini_class_is_system_array (MonoClass *klass)
1514 if (klass->parent == mono_defaults.array_class)
1521 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1523 MonoAssembly *assembly = method->klass->image->assembly;
1524 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1526 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1528 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1530 return mono_assembly_has_skip_verification (assembly);
1534 * mini_method_verify:
1536 * Verify the method using the new verfier.
1538 * Returns true if the method is invalid.
1541 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1544 gboolean is_fulltrust;
1545 MonoLoaderError *error;
1547 if (method->verification_success)
1550 if (!mono_verifier_is_enabled_for_method (method))
1553 /*skip verification implies the assembly must be */
1554 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1556 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1558 if ((error = mono_loader_get_last_error ())) {
1560 cfg->exception_type = error->exception_type;
1562 mono_loader_clear_error ();
1564 mono_free_verify_list (res);
1569 for (tmp = res; tmp; tmp = tmp->next) {
1570 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1571 if (info->info.status == MONO_VERIFY_ERROR) {
1573 char *method_name = mono_method_full_name (method, TRUE);
1574 cfg->exception_type = info->exception_type;
1575 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1576 g_free (method_name);
1578 mono_free_verify_list (res);
1581 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1583 char *method_name = mono_method_full_name (method, TRUE);
1584 cfg->exception_type = info->exception_type;
1585 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1586 g_free (method_name);
1588 mono_free_verify_list (res);
1592 mono_free_verify_list (res);
1594 method->verification_success = 1;
1598 /*Returns true if something went wrong*/
1600 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1602 MonoMethod *method_definition = method;
1603 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1605 while (method_definition->is_inflated) {
1606 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1607 method_definition = imethod->declaring;
1610 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1613 static gconstpointer
1614 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1617 MonoMethod *wrapper;
1618 gconstpointer trampoline;
1619 MonoDomain *domain = mono_get_root_domain ();
1621 if (callinfo->wrapper) {
1622 return callinfo->wrapper;
1625 if (callinfo->trampoline)
1626 return callinfo->trampoline;
1629 * We use the lock on the root domain instead of the JIT lock to protect
1630 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1632 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1633 mono_domain_lock (domain);
1635 if (callinfo->trampoline) {
1636 mono_domain_unlock (domain);
1637 mono_loader_unlock ();
1638 return callinfo->trampoline;
1641 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1642 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1646 trampoline = mono_compile_method (wrapper);
1648 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1649 mono_register_jit_icall_wrapper (callinfo, trampoline);
1651 callinfo->trampoline = trampoline;
1653 mono_domain_unlock (domain);
1654 mono_loader_unlock ();
1656 return callinfo->trampoline;
1660 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1662 return mono_icall_get_wrapper_full (callinfo, FALSE);
1666 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1668 if (!domain_jit_info (domain)->dynamic_code_hash)
1669 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1670 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1673 static MonoJitDynamicMethodInfo*
1674 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1676 MonoJitDynamicMethodInfo *res;
1678 if (domain_jit_info (domain)->dynamic_code_hash)
1679 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1687 GList *active, *inactive;
1692 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1694 MonoMethodVar *v1 = (MonoMethodVar*)a;
1695 MonoMethodVar *v2 = (MonoMethodVar*)b;
1699 else if (v1->interval->range && v2->interval->range)
1700 return v1->interval->range->from - v2->interval->range->from;
1701 else if (v1->interval->range)
1710 #define LSCAN_DEBUG(a) do { a; } while (0)
1712 #define LSCAN_DEBUG(a)
1716 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1718 int i, slot, offset, size;
1723 GList *vars = NULL, *l, *unhandled;
1724 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1727 gboolean reuse_slot;
1729 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1731 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1732 vtype_stack_slots = NULL;
1735 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1736 for (i = 0; i < cfg->num_varinfo; ++i)
1739 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1740 inst = cfg->varinfo [i];
1741 vmv = MONO_VARINFO (cfg, i);
1743 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1746 vars = g_list_prepend (vars, vmv);
1749 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1754 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1755 MonoMethodVar *current = unhandled->data;
1757 if (current->interval->range) {
1758 g_assert (current->interval->range->from >= i);
1759 i = current->interval->range->from;
1766 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1767 MonoMethodVar *current = unhandled->data;
1770 inst = cfg->varinfo [vmv->idx];
1772 t = mono_type_get_underlying_type (inst->inst_vtype);
1773 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1774 t = mini_get_gsharedvt_alloc_type_for_type (cfg, t);
1776 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1777 * pinvoke wrappers when they call functions returning structures */
1778 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1779 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1784 size = mono_type_size (t, &ialign);
1787 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1792 if (cfg->disable_reuse_stack_slots)
1796 case MONO_TYPE_GENERICINST:
1797 if (!mono_type_generic_inst_is_valuetype (t)) {
1798 slot_info = &scalar_stack_slots [t->type];
1802 case MONO_TYPE_VALUETYPE:
1803 if (!vtype_stack_slots)
1804 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1805 for (i = 0; i < nvtypes; ++i)
1806 if (t->data.klass == vtype_stack_slots [i].vtype)
1809 slot_info = &vtype_stack_slots [i];
1811 g_assert (nvtypes < 256);
1812 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1813 slot_info = &vtype_stack_slots [nvtypes];
1816 if (cfg->disable_reuse_ref_stack_slots)
1823 #if SIZEOF_VOID_P == 4
1828 if (cfg->disable_ref_noref_stack_slot_share) {
1829 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1834 case MONO_TYPE_CLASS:
1835 case MONO_TYPE_OBJECT:
1836 case MONO_TYPE_ARRAY:
1837 case MONO_TYPE_SZARRAY:
1838 case MONO_TYPE_STRING:
1839 /* Share non-float stack slots of the same size */
1840 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1841 if (cfg->disable_reuse_ref_stack_slots)
1846 slot_info = &scalar_stack_slots [t->type];
1850 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1854 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1856 if (!current->interval->range) {
1857 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1861 inst->flags |= MONO_INST_IS_DEAD;
1866 pos = current->interval->range->from;
1868 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1869 if (current->interval->range)
1870 LSCAN_DEBUG (mono_linterval_print (current->interval));
1871 LSCAN_DEBUG (printf ("\n"));
1873 /* Check for intervals in active which expired or inactive */
1875 /* FIXME: Optimize this */
1878 for (l = slot_info->active; l != NULL; l = l->next) {
1879 MonoMethodVar *v = (MonoMethodVar*)l->data;
1881 if (v->interval->last_range->to < pos) {
1882 slot_info->active = g_list_delete_link (slot_info->active, l);
1883 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1884 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1888 else if (!mono_linterval_covers (v->interval, pos)) {
1889 slot_info->inactive = g_list_append (slot_info->inactive, v);
1890 slot_info->active = g_list_delete_link (slot_info->active, l);
1891 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1898 /* Check for intervals in inactive which expired or active */
1900 /* FIXME: Optimize this */
1903 for (l = slot_info->inactive; l != NULL; l = l->next) {
1904 MonoMethodVar *v = (MonoMethodVar*)l->data;
1906 if (v->interval->last_range->to < pos) {
1907 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1908 // FIXME: Enabling this seems to cause impossible to debug crashes
1909 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1910 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1914 else if (mono_linterval_covers (v->interval, pos)) {
1915 slot_info->active = g_list_append (slot_info->active, v);
1916 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1917 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1925 * This also handles the case when the variable is used in an
1926 * exception region, as liveness info is not computed there.
1929 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1932 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1933 if (slot_info->slots) {
1934 slot = GPOINTER_TO_INT (slot_info->slots->data);
1936 slot_info->slots = slot_info->slots->next;
1939 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1941 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1947 static int count = 0;
1950 if (count == atoi (getenv ("COUNT3")))
1951 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1952 if (count > atoi (getenv ("COUNT3")))
1955 mono_print_ins (inst);
1960 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1962 if (inst->flags & MONO_INST_LMF) {
1963 size = sizeof (MonoLMF);
1964 align = sizeof (mgreg_t);
1971 if (slot == 0xffffff) {
1973 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1974 * efficient copying (and to work around the fact that OP_MEMCPY
1975 * and OP_MEMSET ignores alignment).
1977 if (MONO_TYPE_ISSTRUCT (t)) {
1978 align = MAX (align, sizeof (gpointer));
1979 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1984 offset += align - 1;
1985 offset &= ~(align - 1);
1989 offset += align - 1;
1990 offset &= ~(align - 1);
1995 if (*stack_align == 0)
1996 *stack_align = align;
1999 offsets [vmv->idx] = slot;
2002 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2003 if (scalar_stack_slots [i].active)
2004 g_list_free (scalar_stack_slots [i].active);
2006 for (i = 0; i < nvtypes; ++i) {
2007 if (vtype_stack_slots [i].active)
2008 g_list_free (vtype_stack_slots [i].active);
2011 cfg->stat_locals_stack_size += offset;
2013 *stack_size = offset;
2018 * mono_allocate_stack_slots:
2020 * Allocate stack slots for all non register allocated variables using a
2021 * linear scan algorithm.
2022 * Returns: an array of stack offsets.
2023 * STACK_SIZE is set to the amount of stack space needed.
2024 * STACK_ALIGN is set to the alignment needed by the locals area.
2027 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2029 int i, slot, offset, size;
2034 GList *vars = NULL, *l;
2035 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2038 gboolean reuse_slot;
2040 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2041 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2043 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2044 vtype_stack_slots = NULL;
2047 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2048 for (i = 0; i < cfg->num_varinfo; ++i)
2051 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2052 inst = cfg->varinfo [i];
2053 vmv = MONO_VARINFO (cfg, i);
2055 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2058 vars = g_list_prepend (vars, vmv);
2061 vars = mono_varlist_sort (cfg, vars, 0);
2063 *stack_align = sizeof(mgreg_t);
2064 for (l = vars; l; l = l->next) {
2066 inst = cfg->varinfo [vmv->idx];
2068 t = mono_type_get_underlying_type (inst->inst_vtype);
2069 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2070 t = mini_get_gsharedvt_alloc_type_for_type (cfg, t);
2072 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2073 * pinvoke wrappers when they call functions returning structures */
2074 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2075 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2079 size = mono_type_size (t, &ialign);
2082 if (mono_class_from_mono_type (t)->exception_type)
2083 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2085 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2090 if (cfg->disable_reuse_stack_slots)
2094 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2097 case MONO_TYPE_GENERICINST:
2098 if (!mono_type_generic_inst_is_valuetype (t)) {
2099 slot_info = &scalar_stack_slots [t->type];
2103 case MONO_TYPE_VALUETYPE:
2104 if (!vtype_stack_slots)
2105 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2106 for (i = 0; i < nvtypes; ++i)
2107 if (t->data.klass == vtype_stack_slots [i].vtype)
2110 slot_info = &vtype_stack_slots [i];
2112 g_assert (nvtypes < 256);
2113 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2114 slot_info = &vtype_stack_slots [nvtypes];
2117 if (cfg->disable_reuse_ref_stack_slots)
2124 #if SIZEOF_VOID_P == 4
2129 if (cfg->disable_ref_noref_stack_slot_share) {
2130 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2135 case MONO_TYPE_CLASS:
2136 case MONO_TYPE_OBJECT:
2137 case MONO_TYPE_ARRAY:
2138 case MONO_TYPE_SZARRAY:
2139 case MONO_TYPE_STRING:
2140 /* Share non-float stack slots of the same size */
2141 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2142 if (cfg->disable_reuse_ref_stack_slots)
2146 case MONO_TYPE_MVAR:
2147 slot_info = &scalar_stack_slots [t->type];
2150 slot_info = &scalar_stack_slots [t->type];
2156 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2157 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2159 /* expire old intervals in active */
2160 while (slot_info->active) {
2161 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2163 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2166 //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);
2168 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2169 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2173 * This also handles the case when the variable is used in an
2174 * exception region, as liveness info is not computed there.
2177 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2180 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2181 if (slot_info->slots) {
2182 slot = GPOINTER_TO_INT (slot_info->slots->data);
2184 slot_info->slots = slot_info->slots->next;
2187 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2192 static int count = 0;
2196 if (count == atoi (getenv ("COUNT")))
2197 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2198 if (count > atoi (getenv ("COUNT")))
2201 mono_print_ins (inst);
2206 if (inst->flags & MONO_INST_LMF) {
2208 * This variable represents a MonoLMF structure, which has no corresponding
2209 * CLR type, so hard-code its size/alignment.
2211 size = sizeof (MonoLMF);
2212 align = sizeof (mgreg_t);
2219 if (slot == 0xffffff) {
2221 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2222 * efficient copying (and to work around the fact that OP_MEMCPY
2223 * and OP_MEMSET ignores alignment).
2225 if (MONO_TYPE_ISSTRUCT (t)) {
2226 align = MAX (align, sizeof (gpointer));
2227 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2229 * Align the size too so the code generated for passing vtypes in
2230 * registers doesn't overwrite random locals.
2232 size = (size + (align - 1)) & ~(align -1);
2237 offset += align - 1;
2238 offset &= ~(align - 1);
2242 offset += align - 1;
2243 offset &= ~(align - 1);
2248 *stack_align = MAX (*stack_align, align);
2251 offsets [vmv->idx] = slot;
2254 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2255 if (scalar_stack_slots [i].active)
2256 g_list_free (scalar_stack_slots [i].active);
2258 for (i = 0; i < nvtypes; ++i) {
2259 if (vtype_stack_slots [i].active)
2260 g_list_free (vtype_stack_slots [i].active);
2263 cfg->stat_locals_stack_size += offset;
2265 *stack_size = offset;
2272 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2274 g_assert_not_reached ();
2278 #endif /* DISABLE_JIT */
2280 #define EMUL_HIT_SHIFT 3
2281 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2282 /* small hit bitmap cache */
2283 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2284 static short emul_opcode_num = 0;
2285 static short emul_opcode_alloced = 0;
2286 static short *emul_opcode_opcodes = NULL;
2287 static MonoJitICallInfo **emul_opcode_map = NULL;
2290 mono_find_jit_opcode_emulation (int opcode)
2292 g_assert (opcode >= 0 && opcode <= OP_LAST);
2293 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2295 for (i = 0; i < emul_opcode_num; ++i) {
2296 if (emul_opcode_opcodes [i] == opcode)
2297 return emul_opcode_map [i];
2304 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
2306 MonoJitICallInfo *info;
2307 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2309 g_assert (!sig->hasthis);
2310 g_assert (sig->param_count < 3);
2312 info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol);
2314 if (emul_opcode_num >= emul_opcode_alloced) {
2315 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2316 emul_opcode_alloced += incr;
2317 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2318 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2320 emul_opcode_map [emul_opcode_num] = info;
2321 emul_opcode_opcodes [emul_opcode_num] = opcode;
2323 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2327 * For JIT icalls implemented in C.
2328 * NAME should be the same as the name of the C function whose address is FUNC.
2331 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2333 MonoMethodSignature *sig;
2336 sig = mono_create_icall_signature (sigstr);
2340 mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
2344 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2346 MonoMethodSignature *sig;
2349 sig = mono_create_icall_signature (sigstr);
2353 mono_register_jit_icall (func, name, sig, save);
2357 print_dfn (MonoCompile *cfg) {
2364 char *method_name = mono_method_full_name (cfg->method, TRUE);
2365 g_print ("IR code for method %s\n", method_name);
2366 g_free (method_name);
2369 for (i = 0; i < cfg->num_bblocks; ++i) {
2370 bb = cfg->bblocks [i];
2371 /*if (bb->cil_code) {
2372 char* code1, *code2;
2373 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2374 if (bb->last_ins->cil_code)
2375 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2377 code2 = g_strdup ("");
2379 code1 [strlen (code1) - 1] = 0;
2380 code = g_strdup_printf ("%s -> %s", code1, code2);
2384 code = g_strdup ("\n");
2385 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2386 MONO_BB_FOR_EACH_INS (bb, c) {
2387 mono_print_ins_index (-1, c);
2390 g_print ("\tprev:");
2391 for (j = 0; j < bb->in_count; ++j) {
2392 g_print (" BB%d", bb->in_bb [j]->block_num);
2394 g_print ("\t\tsucc:");
2395 for (j = 0; j < bb->out_count; ++j) {
2396 g_print (" BB%d", bb->out_bb [j]->block_num);
2398 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2401 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2404 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2406 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2414 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2416 MONO_ADD_INS (bb, inst);
2420 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2424 bb->code = ins_to_insert;
2426 /* Link with next */
2427 ins_to_insert->next = ins;
2429 ins->prev = ins_to_insert;
2431 if (bb->last_ins == NULL)
2432 bb->last_ins = ins_to_insert;
2434 /* Link with next */
2435 ins_to_insert->next = ins->next;
2437 ins->next->prev = ins_to_insert;
2439 /* Link with previous */
2440 ins->next = ins_to_insert;
2441 ins_to_insert->prev = ins;
2443 if (bb->last_ins == ins)
2444 bb->last_ins = ins_to_insert;
2449 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2454 ins->prev = ins_to_insert;
2455 bb->code = ins_to_insert;
2456 ins_to_insert->next = ins;
2457 if (bb->last_ins == NULL)
2458 bb->last_ins = ins_to_insert;
2460 /* Link with previous */
2462 ins->prev->next = ins_to_insert;
2463 ins_to_insert->prev = ins->prev;
2465 /* Link with next */
2466 ins->prev = ins_to_insert;
2467 ins_to_insert->next = ins;
2469 if (bb->code == ins)
2470 bb->code = ins_to_insert;
2475 * mono_verify_bblock:
2477 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2480 mono_verify_bblock (MonoBasicBlock *bb)
2482 MonoInst *ins, *prev;
2485 for (ins = bb->code; ins; ins = ins->next) {
2486 g_assert (ins->prev == prev);
2490 g_assert (!bb->last_ins->next);
2496 * Perform consistency checks on the JIT data structures and the IR
2499 mono_verify_cfg (MonoCompile *cfg)
2503 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2504 mono_verify_bblock (bb);
2508 mono_destroy_compile (MonoCompile *cfg)
2513 mono_metadata_free_mh (cfg->header);
2514 //mono_mempool_stats (cfg->mempool);
2515 mono_free_loop_info (cfg);
2517 mono_regstate_free (cfg->rs);
2519 g_hash_table_destroy (cfg->spvars);
2521 g_hash_table_destroy (cfg->exvars);
2522 for (l = cfg->headers_to_free; l; l = l->next)
2523 mono_metadata_free_mh (l->data);
2524 g_list_free (cfg->ldstr_list);
2525 g_hash_table_destroy (cfg->token_info_hash);
2526 if (cfg->abs_patches)
2527 g_hash_table_destroy (cfg->abs_patches);
2528 mono_mempool_destroy (cfg->mempool);
2530 mono_debug_free_method (cfg);
2532 g_free (cfg->varinfo);
2534 g_free (cfg->exception_message);
2538 #ifdef MONO_HAVE_FAST_TLS
2539 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2540 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2542 * When this is defined, the current lmf is stored in this tls variable instead of in
2545 MONO_FAST_TLS_DECLARE(mono_lmf);
2550 mono_get_jit_tls_key (void)
2552 return mono_jit_tls_id;
2556 mono_get_jit_tls_offset (void)
2559 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2564 mono_get_lmf_tls_offset (void)
2566 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2568 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2576 mono_get_lmf_addr_tls_offset (void)
2579 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2586 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2587 return MONO_FAST_TLS_GET (mono_lmf);
2589 MonoJitTlsData *jit_tls;
2591 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2592 return jit_tls->lmf;
2594 * We do not assert here because this function can be called from
2595 * mini-gc.c on a thread that has not executed any managed code, yet
2596 * (the thread object allocation can trigger a collection).
2603 mono_get_lmf_addr (void)
2605 #ifdef MONO_HAVE_FAST_TLS
2606 return MONO_FAST_TLS_GET (mono_lmf_addr);
2608 MonoJitTlsData *jit_tls;
2610 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2611 if (G_LIKELY (jit_tls))
2612 return &jit_tls->lmf;
2615 * When resolving the call to mono_jit_thread_attach full-aot will look
2616 * in the plt, which causes a call into the generic trampoline, which in turn
2617 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2618 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2619 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2622 mono_jit_thread_attach (NULL);
2624 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2625 return &jit_tls->lmf;
2627 g_assert_not_reached ();
2633 mono_set_lmf (MonoLMF *lmf)
2635 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2636 MONO_FAST_TLS_SET (mono_lmf, lmf);
2639 (*mono_get_lmf_addr ()) = lmf;
2643 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2645 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2647 #ifdef MONO_HAVE_FAST_TLS
2648 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2653 mono_set_lmf_addr (gpointer lmf_addr)
2655 #ifdef MONO_HAVE_FAST_TLS
2656 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2661 * mono_jit_thread_attach:
2663 * Called by native->managed wrappers. Returns the original domain which needs to be
2664 * restored, or NULL.
2667 mono_jit_thread_attach (MonoDomain *domain)
2673 * Happens when called from AOTed code which is only used in the root
2676 domain = mono_get_root_domain ();
2678 #ifdef MONO_HAVE_FAST_TLS
2679 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2680 mono_thread_attach (domain);
2682 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2685 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2686 mono_thread_attach (domain);
2687 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2690 orig = mono_domain_get ();
2692 mono_domain_set (domain, TRUE);
2694 return orig != domain ? orig : NULL;
2697 /* Called by native->managed wrappers */
2699 mono_jit_set_domain (MonoDomain *domain)
2702 mono_domain_set (domain, TRUE);
2706 * mono_thread_abort:
2707 * @obj: exception object
2709 * abort the thread, print exception information and stack trace
2712 mono_thread_abort (MonoObject *obj)
2714 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2716 /* handle_remove should be eventually called for this thread, too
2719 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2720 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2721 mono_thread_exit ();
2723 mono_invoke_unhandled_exception_hook (obj);
2728 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2730 MonoJitTlsData *jit_tls;
2733 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2737 jit_tls = g_new0 (MonoJitTlsData, 1);
2739 jit_tls->abort_func = abort_func;
2740 jit_tls->end_of_stack = stack_start;
2742 mono_set_jit_tls (jit_tls);
2744 lmf = g_new0 (MonoLMF, 1);
2745 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2747 jit_tls->first_lmf = lmf;
2749 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2750 /* jit_tls->lmf is unused */
2751 MONO_FAST_TLS_SET (mono_lmf, lmf);
2752 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2754 mono_set_lmf_addr (&jit_tls->lmf);
2759 mono_setup_altstack (jit_tls);
2765 free_jit_tls_data (MonoJitTlsData *jit_tls)
2767 mono_arch_free_jit_tls_data (jit_tls);
2768 mono_free_altstack (jit_tls);
2770 g_free (jit_tls->first_lmf);
2775 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2777 MonoInternalThread *thread;
2778 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2779 thread = mono_thread_internal_current ();
2780 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2782 thread->jit_data = jit_tls;
2784 mono_arch_cpu_init ();
2787 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2790 mono_thread_abort_dummy (MonoObject *obj)
2792 if (mono_thread_attach_aborted_cb)
2793 mono_thread_attach_aborted_cb (obj);
2795 mono_thread_abort (obj);
2799 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2801 MonoInternalThread *thread;
2802 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2803 thread = mono_thread_internal_current ();
2804 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2806 thread->jit_data = jit_tls;
2807 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2808 mono_runtime_setup_stat_profiler ();
2810 mono_arch_cpu_init ();
2814 mini_thread_cleanup (MonoInternalThread *thread)
2816 MonoJitTlsData *jit_tls = thread->jit_data;
2819 mono_debugger_thread_cleanup (jit_tls);
2821 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2822 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2823 * not a trivial thing.
2825 * The current offender is mono_thread_manage which cleanup threads from the outside.
2827 if (thread == mono_thread_internal_current ())
2828 mono_set_jit_tls (NULL);
2830 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2831 if (mono_get_lmf ()) {
2832 mono_set_lmf (NULL);
2833 mono_set_lmf_addr (NULL);
2836 free_jit_tls_data (jit_tls);
2838 thread->jit_data = NULL;
2843 mono_create_tls_get (MonoCompile *cfg, int offset)
2845 #ifdef MONO_ARCH_HAVE_TLS_GET
2846 if (MONO_ARCH_HAVE_TLS_GET) {
2852 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2853 ins->dreg = mono_alloc_preg (cfg);
2854 ins->inst_offset = offset;
2862 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2864 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2868 mono_get_domain_intrinsic (MonoCompile* cfg)
2870 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2874 mono_get_thread_intrinsic (MonoCompile* cfg)
2876 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2880 mono_get_lmf_intrinsic (MonoCompile* cfg)
2882 return mono_create_tls_get (cfg, mono_get_lmf_tls_offset ());
2886 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2888 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2892 ji->data.target = target;
2893 ji->next = cfg->patch_info;
2895 cfg->patch_info = ji;
2899 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2901 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2905 ji->data.target = target;
2912 mono_remove_patch_info (MonoCompile *cfg, int ip)
2914 MonoJumpInfo **ji = &cfg->patch_info;
2917 if ((*ji)->ip.i == ip)
2920 ji = &((*ji)->next);
2925 * mono_patch_info_dup_mp:
2927 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2930 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2932 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2933 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2935 switch (patch_info->type) {
2936 case MONO_PATCH_INFO_RVA:
2937 case MONO_PATCH_INFO_LDSTR:
2938 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2939 case MONO_PATCH_INFO_LDTOKEN:
2940 case MONO_PATCH_INFO_DECLSEC:
2941 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2942 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2944 case MONO_PATCH_INFO_SWITCH:
2945 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2946 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2947 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2948 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2950 case MONO_PATCH_INFO_RGCTX_FETCH:
2951 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2952 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2953 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2955 case MONO_PATCH_INFO_GSHAREDVT_CALL:
2956 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
2957 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
2967 mono_patch_info_hash (gconstpointer data)
2969 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2972 case MONO_PATCH_INFO_RVA:
2973 case MONO_PATCH_INFO_LDSTR:
2974 case MONO_PATCH_INFO_LDTOKEN:
2975 case MONO_PATCH_INFO_DECLSEC:
2976 return (ji->type << 8) | ji->data.token->token;
2977 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2978 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
2979 case MONO_PATCH_INFO_INTERNAL_METHOD:
2980 return (ji->type << 8) | g_str_hash (ji->data.name);
2981 case MONO_PATCH_INFO_VTABLE:
2982 case MONO_PATCH_INFO_CLASS:
2983 case MONO_PATCH_INFO_IID:
2984 case MONO_PATCH_INFO_ADJUSTED_IID:
2985 case MONO_PATCH_INFO_CLASS_INIT:
2986 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
2987 case MONO_PATCH_INFO_METHODCONST:
2988 case MONO_PATCH_INFO_METHOD:
2989 case MONO_PATCH_INFO_METHOD_JUMP:
2990 case MONO_PATCH_INFO_IMAGE:
2991 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2992 case MONO_PATCH_INFO_ICALL_ADDR:
2993 case MONO_PATCH_INFO_FIELD:
2994 case MONO_PATCH_INFO_SFLDA:
2995 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2996 case MONO_PATCH_INFO_METHOD_RGCTX:
2997 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
2998 case MONO_PATCH_INFO_SIGNATURE:
2999 return (ji->type << 8) | (gssize)ji->data.target;
3000 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3001 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
3002 case MONO_PATCH_INFO_RGCTX_FETCH: {
3003 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
3005 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
3007 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3008 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
3009 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
3010 case MONO_PATCH_INFO_JIT_TLS_ID:
3011 case MONO_PATCH_INFO_MONITOR_ENTER:
3012 case MONO_PATCH_INFO_MONITOR_EXIT:
3013 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3014 return (ji->type << 8);
3015 case MONO_PATCH_INFO_SWITCH:
3016 return (ji->type << 8) | ji->data.table->table_size;
3018 printf ("info type: %d\n", ji->type);
3019 mono_print_ji (ji); printf ("\n");
3020 g_assert_not_reached ();
3026 * mono_patch_info_equal:
3028 * This might fail to recognize equivalent patches, i.e. floats, so its only
3029 * usable in those cases where this is not a problem, i.e. sharing GOT slots
3033 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
3035 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
3036 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
3038 if (ji1->type != ji2->type)
3041 switch (ji1->type) {
3042 case MONO_PATCH_INFO_RVA:
3043 case MONO_PATCH_INFO_LDSTR:
3044 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3045 case MONO_PATCH_INFO_LDTOKEN:
3046 case MONO_PATCH_INFO_DECLSEC:
3047 if ((ji1->data.token->image != ji2->data.token->image) ||
3048 (ji1->data.token->token != ji2->data.token->token) ||
3049 (ji1->data.token->has_context != ji2->data.token->has_context) ||
3050 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
3051 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
3054 case MONO_PATCH_INFO_INTERNAL_METHOD:
3055 return g_str_equal (ji1->data.name, ji2->data.name);
3056 case MONO_PATCH_INFO_RGCTX_FETCH: {
3057 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3058 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3060 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);
3062 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3063 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
3064 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
3066 return c1->sig == c2->sig && c1->method == c2->method;
3069 if (ji1->data.target != ji2->data.target)
3078 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3080 unsigned char *ip = patch_info->ip.i + code;
3081 gconstpointer target = NULL;
3083 switch (patch_info->type) {
3084 case MONO_PATCH_INFO_BB:
3086 * FIXME: This could be hit for methods without a prolog. Should use -1
3087 * but too much code depends on a 0 initial value.
3089 //g_assert (patch_info->data.bb->native_offset);
3090 target = patch_info->data.bb->native_offset + code;
3092 case MONO_PATCH_INFO_ABS:
3093 target = patch_info->data.target;
3095 case MONO_PATCH_INFO_LABEL:
3096 target = patch_info->data.inst->inst_c0 + code;
3098 case MONO_PATCH_INFO_IP:
3099 #if defined(__native_client__) && defined(__native_client_codegen__)
3100 /* Need to transform to the destination address, it's */
3101 /* emitted as an immediate in the code. */
3102 target = nacl_inverse_modify_patch_target(ip);
3107 case MONO_PATCH_INFO_METHOD_REL:
3108 target = code + patch_info->data.offset;
3110 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3111 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3113 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3114 g_assert_not_reached ();
3116 target = mono_icall_get_wrapper (mi);
3119 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3120 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3122 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3123 g_assert_not_reached ();
3128 case MONO_PATCH_INFO_METHOD_JUMP:
3129 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3130 #if defined(__native_client__) && defined(__native_client_codegen__)
3131 #if defined(TARGET_AMD64)
3132 /* This target is an absolute address, not relative to the */
3133 /* current code being emitted on AMD64. */
3134 target = nacl_inverse_modify_patch_target(target);
3138 case MONO_PATCH_INFO_METHOD:
3139 if (patch_info->data.method == method) {
3142 /* get the trampoline to the method from the domain */
3143 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3146 case MONO_PATCH_INFO_SWITCH: {
3147 gpointer *jump_table;
3150 #if defined(__native_client__) && defined(__native_client_codegen__)
3151 /* This memory will leak, but we don't care if we're */
3152 /* not deleting JIT'd methods anyway */
3153 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3155 if (method && method->dynamic) {
3156 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3158 if (mono_aot_only) {
3159 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3161 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3166 for (i = 0; i < patch_info->data.table->table_size; i++) {
3167 #if defined(__native_client__) && defined(__native_client_codegen__)
3168 /* 'code' is relative to the current code blob, we */
3169 /* need to do this transform on it to make the */
3170 /* pointers in this table absolute */
3171 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3173 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3177 #if defined(__native_client__) && defined(__native_client_codegen__)
3178 /* jump_table is in the data section, we need to transform */
3179 /* it here so when it gets modified in amd64_patch it will */
3180 /* then point back to the absolute data address */
3181 target = nacl_inverse_modify_patch_target (jump_table);
3183 target = jump_table;
3187 case MONO_PATCH_INFO_METHODCONST:
3188 case MONO_PATCH_INFO_CLASS:
3189 case MONO_PATCH_INFO_IMAGE:
3190 case MONO_PATCH_INFO_FIELD:
3191 case MONO_PATCH_INFO_SIGNATURE:
3192 target = patch_info->data.target;
3194 case MONO_PATCH_INFO_IID:
3195 mono_class_init (patch_info->data.klass);
3196 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3198 case MONO_PATCH_INFO_ADJUSTED_IID:
3199 mono_class_init (patch_info->data.klass);
3200 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3202 case MONO_PATCH_INFO_VTABLE:
3203 target = mono_class_vtable (domain, patch_info->data.klass);
3206 case MONO_PATCH_INFO_CLASS_INIT: {
3207 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3210 target = mono_create_class_init_trampoline (vtable);
3213 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3214 target = mono_create_delegate_trampoline (domain, patch_info->data.klass);
3216 case MONO_PATCH_INFO_SFLDA: {
3217 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3219 if (mono_class_field_is_special_static (patch_info->data.field)) {
3220 gpointer addr = NULL;
3222 mono_domain_lock (domain);
3223 if (domain->special_static_fields)
3224 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3225 mono_domain_unlock (domain);
3231 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3232 /* Done by the generated code */
3236 mono_runtime_class_init (vtable);
3238 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3241 case MONO_PATCH_INFO_RVA: {
3242 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3245 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3246 target = mono_image_rva_map (patch_info->data.token->image, rva);
3249 case MONO_PATCH_INFO_R4:
3250 case MONO_PATCH_INFO_R8:
3251 target = patch_info->data.target;
3253 case MONO_PATCH_INFO_EXC_NAME:
3254 target = patch_info->data.name;
3256 case MONO_PATCH_INFO_LDSTR:
3258 mono_ldstr (domain, patch_info->data.token->image,
3259 mono_metadata_token_index (patch_info->data.token->token));
3261 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3263 MonoClass *handle_class;
3265 handle = mono_ldtoken (patch_info->data.token->image,
3266 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3267 mono_class_init (handle_class);
3268 mono_class_init (mono_class_from_mono_type (handle));
3271 mono_type_get_object (domain, handle);
3274 case MONO_PATCH_INFO_LDTOKEN: {
3276 MonoClass *handle_class;
3278 handle = mono_ldtoken (patch_info->data.token->image,
3279 patch_info->data.token->token, &handle_class, NULL);
3280 mono_class_init (handle_class);
3285 case MONO_PATCH_INFO_DECLSEC:
3286 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3288 case MONO_PATCH_INFO_ICALL_ADDR:
3289 /* run_cctors == 0 -> AOT */
3290 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3291 const char *exc_class;
3292 const char *exc_arg;
3295 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3298 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3299 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));
3305 target = mono_lookup_internal_call (patch_info->data.method);
3307 if (!target && run_cctors)
3308 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3311 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3312 target = mono_thread_interruption_request_flag ();
3314 case MONO_PATCH_INFO_METHOD_RGCTX: {
3315 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3318 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3321 case MONO_PATCH_INFO_BB_OVF:
3322 case MONO_PATCH_INFO_EXC_OVF:
3323 case MONO_PATCH_INFO_GOT_OFFSET:
3324 case MONO_PATCH_INFO_NONE:
3326 case MONO_PATCH_INFO_RGCTX_FETCH: {
3327 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3330 switch (entry->data->type) {
3331 case MONO_PATCH_INFO_CLASS:
3332 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method));
3334 case MONO_PATCH_INFO_METHOD:
3335 case MONO_PATCH_INFO_METHODCONST:
3336 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method));
3338 case MONO_PATCH_INFO_FIELD:
3339 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method));
3341 case MONO_PATCH_INFO_SIGNATURE:
3342 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.sig, entry->info_type, mono_method_get_context (entry->method));
3344 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3345 MonoJumpInfoGSharedVtCall *call_info = mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
3347 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3348 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
3352 g_assert_not_reached ();
3356 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3359 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3360 target = mono_create_generic_class_init_trampoline ();
3362 case MONO_PATCH_INFO_MONITOR_ENTER:
3363 target = mono_create_monitor_enter_trampoline ();
3365 case MONO_PATCH_INFO_MONITOR_EXIT:
3366 target = mono_create_monitor_exit_trampoline ();
3368 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3369 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3371 /* AOT, not needed */
3374 target = mono_arch_get_seq_point_info (domain, code);
3377 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3378 #ifdef MONO_ARCH_LLVM_SUPPORTED
3379 g_assert (mono_use_llvm);
3380 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3382 g_assert_not_reached ();
3385 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3386 int card_table_shift_bits;
3387 gpointer card_table_mask;
3389 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3392 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3393 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3396 case MONO_PATCH_INFO_JIT_TLS_ID: {
3397 target = (gpointer)mono_jit_tls_id;
3401 g_assert_not_reached ();
3404 return (gpointer)target;
3408 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3410 ins->inst_offset = native_offset;
3411 g_ptr_array_add (cfg->seq_points, ins);
3412 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3413 bb->last_seq_point = ins;
3417 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3419 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3422 g_assert (offset == 0);
3424 entry->is_reg = is_reg;
3426 entry->offset = offset;
3430 if (var == cfg->args [0])
3431 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3432 else if (var == cfg->rgctx_var)
3433 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3439 mono_compile_create_vars (MonoCompile *cfg)
3441 MonoMethodSignature *sig;
3442 MonoMethodHeader *header;
3445 header = cfg->header;
3447 sig = mono_method_signature (cfg->method);
3449 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3450 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3451 /* Inhibit optimizations */
3452 cfg->ret->flags |= MONO_INST_VOLATILE;
3454 if (cfg->verbose_level > 2)
3455 g_print ("creating vars\n");
3457 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3460 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3462 for (i = 0; i < sig->param_count; ++i) {
3463 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3466 if (cfg->verbose_level > 2) {
3468 printf ("\treturn : ");
3469 mono_print_ins (cfg->ret);
3473 printf ("\tthis: ");
3474 mono_print_ins (cfg->args [0]);
3477 for (i = 0; i < sig->param_count; ++i) {
3478 printf ("\targ [%d]: ", i);
3479 mono_print_ins (cfg->args [i + sig->hasthis]);
3483 cfg->locals_start = cfg->num_varinfo;
3484 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3486 if (cfg->verbose_level > 2)
3487 g_print ("creating locals\n");
3489 for (i = 0; i < header->num_locals; ++i)
3490 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3492 if (cfg->verbose_level > 2)
3493 g_print ("locals done\n");
3495 mono_arch_create_vars (cfg);
3499 mono_print_code (MonoCompile *cfg, const char* msg)
3503 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3504 mono_print_bb (bb, msg);
3508 mono_postprocess_patches (MonoCompile *cfg)
3510 MonoJumpInfo *patch_info;
3513 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3514 switch (patch_info->type) {
3515 case MONO_PATCH_INFO_ABS: {
3516 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3519 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3523 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3524 /* for these array methods we currently register the same function pointer
3525 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3526 * will return the incorrect one depending on the order they are registered.
3527 * See tests/test-arr.cs
3529 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3530 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3531 patch_info->data.name = info->name;
3535 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3536 if (cfg->abs_patches) {
3537 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3539 patch_info->type = abs_ji->type;
3540 patch_info->data.target = abs_ji->data.target;
3547 case MONO_PATCH_INFO_SWITCH: {
3549 #if defined(__native_client__) && defined(__native_client_codegen__)
3550 /* This memory will leak. */
3551 /* TODO: can we free this when */
3552 /* making the final jump table? */
3553 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3555 if (cfg->method->dynamic) {
3556 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3558 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3562 for (i = 0; i < patch_info->data.table->table_size; i++) {
3563 /* Might be NULL if the switch is eliminated */
3564 if (patch_info->data.table->table [i]) {
3565 g_assert (patch_info->data.table->table [i]->native_offset);
3566 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3571 patch_info->data.table->table = (MonoBasicBlock**)table;
3574 case MONO_PATCH_INFO_METHOD_JUMP: {
3575 MonoJumpList *jlist;
3576 MonoDomain *domain = cfg->domain;
3577 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3578 #if defined(__native_client__) && defined(__native_client_codegen__)
3579 /* When this jump target gets evaluated, the method */
3580 /* will be installed in the dynamic code section, */
3581 /* not at the location of cfg->native_code. */
3582 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3585 mono_domain_lock (domain);
3586 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3588 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3589 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3591 jlist->list = g_slist_prepend (jlist->list, ip);
3592 mono_domain_unlock (domain);
3603 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3606 MonoBasicBlock *in_bb;
3609 for (i = 0; i < bb->in_count; ++i) {
3610 in_bb = bb->in_bb [i];
3612 if (in_bb->last_seq_point) {
3613 int src_index = in_bb->last_seq_point->backend.size;
3614 int dst_index = ins->backend.size;
3616 /* bb->in_bb might contain duplicates */
3617 for (l = next [src_index]; l; l = l->next)
3618 if (GPOINTER_TO_UINT (l->data) == dst_index)
3621 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
3623 /* Have to look at its predecessors */
3625 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3631 mono_save_seq_point_info (MonoCompile *cfg)
3634 GSList *bb_seq_points, *l;
3636 MonoDomain *domain = cfg->domain;
3638 MonoSeqPointInfo *info;
3641 if (!cfg->seq_points)
3644 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3645 info->len = cfg->seq_points->len;
3646 for (i = 0; i < cfg->seq_points->len; ++i) {
3647 SeqPoint *sp = &info->seq_points [i];
3648 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3650 sp->il_offset = ins->inst_imm;
3651 sp->native_offset = ins->inst_offset;
3654 ins->backend.size = i;
3658 * For each sequence point, compute the list of sequence points immediately
3659 * following it, this is needed to implement 'step over' in the debugger agent.
3661 next = g_new0 (GSList*, cfg->seq_points->len);
3662 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3663 bb_seq_points = g_slist_reverse (bb->seq_points);
3665 for (l = bb_seq_points; l; l = l->next) {
3666 MonoInst *ins = l->data;
3668 if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
3669 /* Used to implement method entry/exit events */
3673 /* Link with the previous seq point in the same bb */
3674 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3676 /* Link with the last bb in the previous bblocks */
3677 collect_pred_seq_points (bb, ins, next, 0);
3683 if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY) {
3684 MonoBasicBlock *bb2;
3685 MonoInst *endfinally_seq_point = NULL;
3688 * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
3690 l = g_slist_last (bb->seq_points);
3692 endfinally_seq_point = l->data;
3694 for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
3695 GSList *l = g_slist_last (bb2->seq_points);
3698 MonoInst *ins = l->data;
3700 if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
3701 next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3707 if (cfg->verbose_level > 2) {
3708 printf ("\nSEQ POINT MAP: \n");
3711 for (i = 0; i < cfg->seq_points->len; ++i) {
3712 SeqPoint *sp = &info->seq_points [i];
3716 sp->next_len = g_slist_length (next [i]);
3717 sp->next = g_new (int, sp->next_len);
3719 if (cfg->verbose_level > 2 && next [i]) {
3720 printf ("\tIL0x%x ->", sp->il_offset);
3721 for (l = next [i]; l; l = l->next) {
3722 next_index = GPOINTER_TO_UINT (l->data);
3723 printf (" IL0x%x", info->seq_points [next_index].il_offset);
3727 for (l = next [i]; l; l = l->next) {
3728 next_index = GPOINTER_TO_UINT (l->data);
3729 sp->next [j ++] = next_index;
3731 g_slist_free (next [i]);
3735 cfg->seq_point_info = info;
3737 // FIXME: dynamic methods
3738 if (!cfg->compile_aot) {
3739 mono_domain_lock (domain);
3740 // FIXME: How can the lookup succeed ?
3741 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3742 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3743 mono_domain_unlock (domain);
3746 g_ptr_array_free (cfg->seq_points, TRUE);
3747 cfg->seq_points = NULL;
3751 mono_codegen (MonoCompile *cfg)
3754 int max_epilog_size;
3756 MonoDomain *code_domain;
3758 if (mono_using_xdebug)
3760 * Recent gdb versions have trouble processing symbol files containing
3761 * overlapping address ranges, so allocate all code from the code manager
3762 * of the root domain. (#666152).
3764 code_domain = mono_get_root_domain ();
3766 code_domain = cfg->domain;
3768 #if defined(__native_client_codegen__) && defined(__native_client__)
3771 /* This keeps patch targets from being transformed during
3772 * ordinary method compilation, for local branches and jumps.
3774 nacl_allow_target_modification (FALSE);
3777 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3778 cfg->spill_count = 0;
3779 /* we reuse dfn here */
3780 /* bb->dfn = bb_count++; */
3782 mono_arch_lowering_pass (cfg, bb);
3784 if (cfg->opt & MONO_OPT_PEEPHOLE)
3785 mono_arch_peephole_pass_1 (cfg, bb);
3788 mono_local_regalloc (cfg, bb);
3790 if (cfg->opt & MONO_OPT_PEEPHOLE)
3791 mono_arch_peephole_pass_2 (cfg, bb);
3794 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3795 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3797 code = mono_arch_emit_prolog (cfg);
3799 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3800 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3802 cfg->code_len = code - cfg->native_code;
3803 cfg->prolog_end = cfg->code_len;
3805 mono_debug_open_method (cfg);
3807 /* emit code all basic blocks */
3808 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3809 bb->native_offset = cfg->code_len;
3810 bb->real_native_offset = cfg->code_len;
3811 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3812 mono_arch_output_basic_block (cfg, bb);
3813 bb->native_length = cfg->code_len - bb->native_offset;
3815 if (bb == cfg->bb_exit) {
3816 cfg->epilog_begin = cfg->code_len;
3818 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3819 code = cfg->native_code + cfg->code_len;
3820 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3821 cfg->code_len = code - cfg->native_code;
3822 g_assert (cfg->code_len < cfg->code_size);
3825 mono_arch_emit_epilog (cfg);
3829 #ifdef __native_client_codegen__
3830 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3832 mono_arch_emit_exceptions (cfg);
3834 max_epilog_size = 0;
3836 /* we always allocate code in cfg->domain->code_mp to increase locality */
3837 cfg->code_size = cfg->code_len + max_epilog_size;
3838 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3840 if (cfg->method->dynamic) {
3841 guint unwindlen = 0;
3842 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3843 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3845 /* Allocate the code into a separate memory pool so it can be freed */
3846 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3847 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3848 mono_domain_lock (cfg->domain);
3849 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3850 mono_domain_unlock (cfg->domain);
3852 if (mono_using_xdebug)
3853 /* See the comment for cfg->code_domain */
3854 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3856 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3858 guint unwindlen = 0;
3859 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3860 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3862 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3864 #if defined(__native_client_codegen__) && defined(__native_client__)
3865 nacl_allow_target_modification (TRUE);
3869 memcpy (code, cfg->native_code, cfg->code_len);
3870 #if defined(__default_codegen__)
3871 g_free (cfg->native_code);
3872 #elif defined(__native_client_codegen__)
3873 if (cfg->native_code_alloc) {
3874 g_free (cfg->native_code_alloc);
3875 cfg->native_code_alloc = 0;
3877 else if (cfg->native_code) {
3878 g_free (cfg->native_code);
3880 #endif /* __native_client_codegen__ */
3881 cfg->native_code = code;
3882 code = cfg->native_code + cfg->code_len;
3884 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3885 mono_postprocess_patches (cfg);
3887 #ifdef VALGRIND_JIT_REGISTER_MAP
3888 if (valgrind_register){
3889 char* nm = mono_method_full_name (cfg->method, TRUE);
3890 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3895 if (cfg->verbose_level > 0) {
3896 char* nm = mono_method_full_name (cfg->method, TRUE);
3897 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3899 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3904 gboolean is_generic = FALSE;
3906 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3907 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3911 if (cfg->generic_sharing_context)
3912 g_assert (is_generic);
3915 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3916 mono_arch_save_unwind_info (cfg);
3919 #if defined(__native_client_codegen__) && defined(__native_client__)
3920 if (!cfg->compile_aot) {
3921 if (cfg->method->dynamic) {
3922 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
3924 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
3929 #if defined(__native_client_codegen__)
3930 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3933 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);
3935 if (cfg->method->dynamic) {
3936 if (mono_using_xdebug)
3937 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3939 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3941 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3943 #if defined(__native_client_codegen__) && defined(__native_client__)
3944 cfg->native_code = code_dest;
3946 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3948 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3950 mono_debug_close_method (cfg);
3952 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3953 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3958 compute_reachable (MonoBasicBlock *bb)
3962 if (!(bb->flags & BB_VISITED)) {
3963 bb->flags |= BB_VISITED;
3964 for (i = 0; i < bb->out_count; ++i)
3965 compute_reachable (bb->out_bb [i]);
3970 mono_handle_out_of_line_bblock (MonoCompile *cfg)
3973 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3974 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
3976 MONO_INST_NEW (cfg, ins, OP_BR);
3977 MONO_ADD_INS (bb, ins);
3978 ins->inst_target_bb = bb->next_bb;
3983 #endif /* #ifndef DISABLE_JIT */
3986 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
3988 MonoDomain *domain = mono_get_root_domain ();
3993 if (info->uw_info) {
3994 uw_info = info->uw_info;
3995 info_len = info->uw_info_len;
3997 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4000 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4001 jinfo->method = wrapper;
4002 jinfo->code_start = info->code;
4003 jinfo->code_size = info->code_size;
4004 jinfo->used_regs = mono_cache_unwind_info (uw_info, info_len);
4012 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
4015 MonoMethodHeader *header;
4018 int generic_info_size, arch_eh_info_size = 0;
4019 int holes_size = 0, num_holes = 0, cas_size = 0;
4020 guint32 stack_size = 0;
4022 g_assert (method_to_compile == cfg->method);
4023 header = cfg->header;
4025 if (cfg->generic_sharing_context)
4026 generic_info_size = sizeof (MonoGenericJitInfo);
4028 generic_info_size = 0;
4030 if (cfg->arch_eh_jit_info) {
4031 MonoJitArgumentInfo *arg_info;
4032 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
4035 * This cannot be computed during stack walking, as
4036 * mono_arch_get_argument_info () is not signal safe.
4038 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
4039 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
4042 arch_eh_info_size = sizeof (MonoArchEHJitInfo);
4045 if (cfg->try_block_holes) {
4046 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4047 TryBlockHole *hole = tmp->data;
4048 MonoExceptionClause *ec = hole->clause;
4049 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
4050 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4051 g_assert (clause_last_bb);
4053 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4054 if (clause_last_bb->native_offset != hole_end)
4058 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
4059 if (G_UNLIKELY (cfg->verbose_level >= 4))
4060 printf ("Number of try block holes %d\n", num_holes);
4063 if (mono_method_has_declsec (cfg->method_to_register)) {
4064 cas_size = sizeof (MonoMethodCasInfo);
4067 if (COMPILE_LLVM (cfg))
4068 num_clauses = cfg->llvm_ex_info_len;
4070 num_clauses = header->num_clauses;
4072 if (cfg->method->dynamic) {
4073 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
4074 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4076 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
4077 (num_clauses * sizeof (MonoJitExceptionInfo)) +
4078 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4081 jinfo->method = cfg->method_to_register;
4082 jinfo->code_start = cfg->native_code;
4083 jinfo->code_size = cfg->code_len;
4084 jinfo->used_regs = cfg->used_int_regs;
4085 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4086 jinfo->num_clauses = num_clauses;
4088 if (COMPILE_LLVM (cfg))
4089 jinfo->from_llvm = TRUE;
4091 if (cfg->generic_sharing_context) {
4093 MonoGenericJitInfo *gi;
4094 GSList *loclist = NULL;
4096 jinfo->has_generic_jit_info = 1;
4098 gi = mono_jit_info_get_generic_jit_info (jinfo);
4101 if (cfg->method->dynamic)
4102 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4104 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4105 memcpy (gi->generic_sharing_context, cfg->generic_sharing_context, sizeof (MonoGenericSharingContext));
4107 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4108 mini_method_get_context (method_to_compile)->method_inst ||
4109 method_to_compile->klass->valuetype) {
4110 g_assert (cfg->rgctx_var);
4115 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4116 mini_method_get_context (method_to_compile)->method_inst ||
4117 method_to_compile->klass->valuetype) {
4118 inst = cfg->rgctx_var;
4119 if (!COMPILE_LLVM (cfg))
4120 g_assert (inst->opcode == OP_REGOFFSET);
4121 loclist = cfg->rgctx_loclist;
4123 inst = cfg->args [0];
4124 loclist = cfg->this_loclist;
4128 /* Needed to handle async exceptions */
4132 gi->nlocs = g_slist_length (loclist);
4133 if (cfg->method->dynamic)
4134 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4136 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4138 for (l = loclist; l; l = l->next) {
4139 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4144 if (COMPILE_LLVM (cfg)) {
4145 g_assert (cfg->llvm_this_reg != -1);
4146 gi->this_in_reg = 0;
4147 gi->this_reg = cfg->llvm_this_reg;
4148 gi->this_offset = cfg->llvm_this_offset;
4149 } else if (inst->opcode == OP_REGVAR) {
4150 gi->this_in_reg = 1;
4151 gi->this_reg = inst->dreg;
4153 g_assert (inst->opcode == OP_REGOFFSET);
4155 g_assert (inst->inst_basereg == X86_EBP);
4156 #elif defined(TARGET_AMD64)
4157 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4159 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4161 gi->this_in_reg = 0;
4162 gi->this_reg = inst->inst_basereg;
4163 gi->this_offset = inst->inst_offset;
4168 MonoTryBlockHoleTableJitInfo *table;
4171 jinfo->has_try_block_holes = 1;
4172 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4173 table->num_holes = (guint16)num_holes;
4175 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4176 guint32 start_bb_offset;
4177 MonoTryBlockHoleJitInfo *hole;
4178 TryBlockHole *hole_data = tmp->data;
4179 MonoExceptionClause *ec = hole_data->clause;
4180 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4181 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4182 g_assert (clause_last_bb);
4184 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4185 if (clause_last_bb->native_offset == hole_end)
4188 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4189 hole = &table->holes [i++];
4190 hole->clause = hole_data->clause - &header->clauses [0];
4191 hole->offset = (guint32)hole_data->start_offset;
4192 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4194 if (G_UNLIKELY (cfg->verbose_level >= 4))
4195 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4197 g_assert (i == num_holes);
4200 if (arch_eh_info_size) {
4201 MonoArchEHJitInfo *info;
4203 jinfo->has_arch_eh_info = 1;
4204 info = mono_jit_info_get_arch_eh_info (jinfo);
4206 info->stack_size = stack_size;
4210 jinfo->has_cas_info = 1;
4213 if (COMPILE_LLVM (cfg)) {
4215 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4216 } else if (header->num_clauses) {
4219 for (i = 0; i < header->num_clauses; i++) {
4220 MonoExceptionClause *ec = &header->clauses [i];
4221 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4222 MonoBasicBlock *tblock;
4225 ei->flags = ec->flags;
4227 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4228 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4230 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4231 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4233 ei->data.filter = cfg->native_code + tblock->native_offset;
4235 ei->data.catch_class = ec->data.catch_class;
4238 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4240 g_assert (tblock->native_offset);
4241 ei->try_start = cfg->native_code + tblock->native_offset;
4242 if (tblock->extend_try_block) {
4244 * Extend the try block backwards to include parts of the previous call
4247 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4249 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4251 if (!tblock->native_offset) {
4253 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4254 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4255 if (bb && bb->native_offset) {
4261 ei->try_end = cfg->native_code + tblock->native_offset;
4262 g_assert (tblock->native_offset);
4263 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4265 ei->handler_start = cfg->native_code + tblock->native_offset;
4267 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4268 TryBlockHole *hole = tmp->data;
4269 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4270 if (hole->clause == ec && hole_end == ei->try_end) {
4271 if (G_UNLIKELY (cfg->verbose_level >= 4))
4272 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4274 ei->try_end = cfg->native_code + hole->start_offset;
4279 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4281 if (ec->handler_offset + ec->handler_len < header->code_size) {
4282 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4284 end_offset = tblock->native_offset;
4286 end_offset = cfg->epilog_begin;
4288 ei->data.handler_end = cfg->native_code + end_offset;
4293 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4295 for (i = 0; i < jinfo->num_clauses; i++) {
4296 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4297 int start = (guint8*)ei->try_start - cfg->native_code;
4298 int end = (guint8*)ei->try_end - cfg->native_code;
4299 int handler = (guint8*)ei->handler_start - cfg->native_code;
4301 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
4306 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4307 * using it during runtime, hence the define.
4309 #ifdef MONO_ARCH_HAVE_XP_UNWIND
4310 if (cfg->encoded_unwind_ops) {
4311 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4312 g_free (cfg->encoded_unwind_ops);
4313 } else if (cfg->unwind_ops) {
4315 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4317 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4318 g_free (unwind_info);
4327 get_gsharedvt_type (MonoType *t)
4329 MonoGenericParam *par = t->data.generic_param;
4333 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4334 * a different instantiation.
4336 g_assert (mono_generic_param_info (par));
4337 par = g_memdup (par, sizeof (MonoGenericParamFull));
4340 par->image = mono_defaults.corlib;
4342 res = mono_metadata_type_dup (NULL, t);
4343 res->data.generic_param = par;
4349 is_gsharedvt_type (MonoType *t)
4351 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4354 /* Return whenever METHOD is a gsharedvt method */
4356 is_gsharedvt_method (MonoMethod *method)
4358 MonoGenericContext *context;
4359 MonoGenericInst *inst;
4362 if (!method->is_inflated)
4364 context = mono_method_get_context (method);
4365 inst = context->class_inst;
4367 for (i = 0; i < inst->type_argc; ++i)
4368 if (is_gsharedvt_type (inst->type_argv [i]))
4371 inst = context->method_inst;
4373 for (i = 0; i < inst->type_argc; ++i)
4374 if (is_gsharedvt_type (inst->type_argv [i]))
4381 has_ref_constraint (MonoGenericParamInfo *info)
4383 MonoClass **constraints;
4387 if (info && info->constraints) {
4388 constraints = info->constraints;
4390 while (*constraints) {
4391 MonoClass *cklass = *constraints;
4392 if (!(cklass == mono_defaults.object_class || (cklass->image == mono_defaults.corlib && !strcmp (cklass->name, "ValueType")) || MONO_CLASS_IS_INTERFACE (cklass)))
4400 static MonoGenericInst*
4401 get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
4403 MonoGenericInst *res;
4404 MonoType **type_argv;
4407 type_argv = g_new0 (MonoType*, inst->type_argc);
4408 for (i = 0; i < inst->type_argc; ++i) {
4409 if (!all_vt && (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)) {
4410 type_argv [i] = shared_inst->type_argv [i];
4411 } else if (all_vt) {
4412 if (container && has_ref_constraint (&container->type_params [i].info))
4413 type_argv [i] = shared_inst->type_argv [i];
4415 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4416 } else if (gsharedvt) {
4417 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4419 type_argv [i] = inst->type_argv [i];
4423 res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4429 * mini_get_shared_method_full:
4431 * Return the method which is actually compiled/registered when doing generic sharing.
4432 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4433 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4434 * METHOD can be a non-inflated generic method.
4437 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4439 MonoGenericContext shared_context;
4440 MonoMethod *declaring_method, *res;
4441 gboolean partial = FALSE;
4442 gboolean gsharedvt = FALSE;
4443 MonoGenericContainer *class_container, *method_container = NULL;
4445 if (method->is_generic || method->klass->generic_container) {
4446 declaring_method = method;
4448 declaring_method = mono_method_get_declaring_generic_method (method);
4451 if (declaring_method->is_generic)
4452 shared_context = mono_method_get_generic_container (declaring_method)->context;
4454 shared_context = declaring_method->klass->generic_container->context;
4456 /* Handle gsharedvt/partial sharing */
4457 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE, TRUE)) ||
4458 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4459 MonoGenericContext *context = mono_method_get_context (method);
4460 MonoGenericInst *inst;
4462 gsharedvt = is_gsharedvt || mini_is_gsharedvt_sharable_method (method);
4464 class_container = declaring_method->klass->generic_container;
4465 method_container = mono_method_get_generic_container (declaring_method);
4468 * Create the shared context by replacing the ref type arguments with
4469 * type parameters, and keeping the rest.
4473 inst = context->class_inst;
4475 inst = shared_context.class_inst;
4477 shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
4480 inst = context->method_inst;
4482 inst = shared_context.method_inst;
4484 shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
4487 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4489 /* The result should be an inflated method whose parent is not inflated */
4490 g_assert (!res->klass->is_inflated);
4496 mini_get_shared_method (MonoMethod *method)
4498 return mini_get_shared_method_full (method, FALSE, FALSE);
4502 mini_init_gsctx (MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4504 MonoGenericInst *inst;
4507 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4509 if (context->class_inst) {
4510 inst = context->class_inst;
4511 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4513 for (i = 0; i < inst->type_argc; ++i) {
4514 MonoType *type = inst->type_argv [i];
4516 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4517 gsctx->var_is_vt [i] = TRUE;
4520 if (context->method_inst) {
4521 inst = context->method_inst;
4522 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4524 for (i = 0; i < inst->type_argc; ++i) {
4525 MonoType *type = inst->type_argv [i];
4527 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4528 gsctx->mvar_is_vt [i] = TRUE;
4535 * mini_method_compile:
4536 * @method: the method to compile
4537 * @opts: the optimization flags to use
4538 * @domain: the domain where the method will be compiled in
4539 * @run_cctors: whether we should run type ctors if possible
4540 * @compile_aot: whether this is an AOT compilation
4541 * @parts: debug flag
4543 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4544 * field in the returned struct to see if compilation succeded.
4547 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4549 MonoMethodHeader *header;
4550 MonoMethodSignature *sig;
4554 int dfn, i, code_size_ratio;
4555 gboolean deadce_has_run = FALSE;
4556 gboolean try_generic_shared, try_llvm = FALSE;
4557 MonoMethod *method_to_compile, *method_to_register;
4558 gboolean method_is_gshared = FALSE;
4560 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4561 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4562 mono_profiler_method_jit (method);
4563 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4564 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4568 * We might get passed the original generic method definition or
4569 * instances with type parameters.
4570 * FIXME: Remove the method->klass->generic_class limitation.
4572 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4573 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl_full (method, TRUE, FALSE, FALSE)));
4575 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4576 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE, TRUE);
4578 if (opts & MONO_OPT_GSHARED) {
4579 if (try_generic_shared)
4580 mono_stats.generics_sharable_methods++;
4581 else if (mono_method_is_generic_impl (method))
4582 mono_stats.generics_unsharable_methods++;
4585 if (mini_is_gsharedvt_sharable_method (method)) {
4586 if (!mono_debug_count ())
4587 try_generic_shared = FALSE;
4589 try_generic_shared = FALSE;
4592 if (is_gsharedvt_method (method)) {
4593 /* We are AOTing a gshared method directly */
4594 method_is_gshared = TRUE;
4595 g_assert (compile_aot);
4596 try_generic_shared = TRUE;
4600 try_llvm = mono_use_llvm;
4604 if (method_is_gshared) {
4605 method_to_compile = method;
4607 if (try_generic_shared) {
4608 method_to_compile = mini_get_shared_method (method);
4609 g_assert (method_to_compile);
4611 method_to_compile = method;
4615 cfg = g_new0 (MonoCompile, 1);
4616 cfg->method = method_to_compile;
4617 cfg->header = mono_method_get_header (cfg->method);
4618 cfg->mempool = mono_mempool_new ();
4620 cfg->prof_options = mono_profiler_get_events ();
4621 cfg->run_cctors = run_cctors;
4622 cfg->domain = domain;
4623 cfg->verbose_level = mini_verbose;
4624 cfg->compile_aot = compile_aot;
4625 cfg->skip_visibility = method->skip_visibility;
4626 cfg->orig_method = method;
4627 cfg->gen_seq_points = debug_options.gen_seq_points;
4628 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4629 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4630 if (try_generic_shared)
4631 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
4632 cfg->compile_llvm = try_llvm;
4633 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4635 if (cfg->gen_seq_points)
4636 cfg->seq_points = g_ptr_array_new ();
4638 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
4639 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4643 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
4644 MonoMethodInflated *inflated;
4645 MonoGenericContext *context;
4647 // FIXME: Free the contents of gsctx if compilation fails
4648 if (method_is_gshared) {
4649 g_assert (method->is_inflated);
4650 inflated = (MonoMethodInflated*)method;
4651 context = &inflated->context;
4653 /* We are compiling a gsharedvt method directly */
4654 g_assert (compile_aot);
4656 g_assert (method_to_compile->is_inflated);
4657 inflated = (MonoMethodInflated*)method_to_compile;
4658 context = &inflated->context;
4661 mini_init_gsctx (context, &cfg->gsctx);
4663 cfg->gsharedvt = TRUE;
4665 cfg->disable_llvm = TRUE;
4668 if (cfg->generic_sharing_context) {
4669 method_to_register = method_to_compile;
4671 g_assert (method == method_to_compile);
4672 method_to_register = method;
4674 cfg->method_to_register = method_to_register;
4676 mono_error_init (&err);
4677 sig = mono_method_signature_checked (cfg->method, &err);
4679 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4680 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4681 mono_error_cleanup (&err);
4682 if (MONO_METHOD_COMPILE_END_ENABLED ())
4683 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4687 header = cfg->header;
4689 MonoLoaderError *error;
4691 if ((error = mono_loader_get_last_error ())) {
4692 cfg->exception_type = error->exception_type;
4694 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4695 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4697 if (MONO_METHOD_COMPILE_END_ENABLED ())
4698 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4704 static gboolean inited;
4711 * Check for methods which cannot be compiled by LLVM early, to avoid
4712 * the extra compilation pass.
4714 if (COMPILE_LLVM (cfg)) {
4715 mono_llvm_check_method_supported (cfg);
4716 if (cfg->disable_llvm) {
4717 if (cfg->verbose_level >= 1) {
4718 //nm = mono_method_full_name (cfg->method, TRUE);
4719 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4722 mono_destroy_compile (cfg);
4724 goto restart_compile;
4730 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4731 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4732 cfg->disable_reuse_registers = TRUE;
4733 cfg->disable_reuse_stack_slots = TRUE;
4735 * This decreases the change the debugger will read registers/stack slots which are
4736 * not yet initialized.
4738 cfg->disable_initlocals_opt = TRUE;
4740 cfg->extend_live_ranges = TRUE;
4742 /* Temporarily disable this when running in the debugger until we have support
4743 * for this in the debugger. */
4744 /* This is no longer needed with sdb */
4745 //cfg->disable_omit_fp = TRUE;
4747 /* The debugger needs all locals to be on the stack or in a global register */
4748 cfg->disable_vreg_to_lvreg = TRUE;
4750 /* Don't remove unused variables when running inside the debugger since the user
4751 * may still want to view them. */
4752 cfg->disable_deadce_vars = TRUE;
4754 // cfg->opt |= MONO_OPT_SHARED;
4755 cfg->opt &= ~MONO_OPT_DEADCE;
4756 cfg->opt &= ~MONO_OPT_INLINE;
4757 cfg->opt &= ~MONO_OPT_COPYPROP;
4758 cfg->opt &= ~MONO_OPT_CONSPROP;
4759 /* This is no longer needed with sdb */
4760 //cfg->opt &= ~MONO_OPT_GSHARED;
4762 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4763 cfg->disable_out_of_line_bblocks = TRUE;
4766 if (mono_using_xdebug) {
4768 * Make each variable use its own register/stack slot and extend
4769 * their liveness to cover the whole method, making them displayable
4770 * in gdb even after they are dead.
4772 cfg->disable_reuse_registers = TRUE;
4773 cfg->disable_reuse_stack_slots = TRUE;
4774 cfg->extend_live_ranges = TRUE;
4775 cfg->compute_precise_live_ranges = TRUE;
4778 mini_gc_init_cfg (cfg);
4780 if (COMPILE_LLVM (cfg)) {
4781 cfg->opt |= MONO_OPT_ABCREM;
4784 if (getenv ("MONO_VERBOSE_METHOD")) {
4785 char *name = getenv ("MONO_VERBOSE_METHOD");
4787 if ((strchr (name, '.') > name) || strchr (name, ':')) {
4788 MonoMethodDesc *desc;
4790 desc = mono_method_desc_new (name, TRUE);
4791 if (mono_method_desc_full_match (desc, cfg->method)) {
4792 cfg->verbose_level = 4;
4794 mono_method_desc_free (desc);
4796 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
4797 cfg->verbose_level = 4;
4801 ip = (guint8 *)header->code;
4803 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
4805 if (cfg->verbose_level > 0) {
4808 method_name = mono_method_full_name (method, TRUE);
4809 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
4811 if (COMPILE_LLVM (cfg))
4812 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
4813 else if (cfg->gsharedvt)
4814 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4815 else if (cfg->generic_sharing_context)
4816 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4818 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
4820 g_free (method_name);
4823 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
4824 cfg->opt |= MONO_OPT_SSA;
4827 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")))
4828 cfg->globalra = TRUE;
4831 //cfg->globalra = TRUE;
4833 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
4834 // cfg->globalra = TRUE;
4837 static int count = 0;
4841 if (getenv ("COUNT2")) {
4842 cfg->globalra = TRUE;
4843 if (count == atoi (getenv ("COUNT2")))
4844 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
4845 if (count > atoi (getenv ("COUNT2")))
4846 cfg->globalra = FALSE;
4851 if (header->clauses)
4852 cfg->globalra = FALSE;
4854 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4855 /* The code in the prolog clobbers caller saved registers */
4856 cfg->globalra = FALSE;
4858 // FIXME: Disable globalra in case of tracing/profiling
4860 if (cfg->method->save_lmf)
4861 /* The LMF saving code might clobber caller saved registers */
4862 cfg->globalra = FALSE;
4864 if (header->code_size > 5000)
4866 /* Too large bblocks could overflow the ins positions */
4867 cfg->globalra = FALSE;
4869 cfg->rs = mono_regstate_new ();
4871 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4872 cfg->next_vreg = cfg->rs->next_vreg;
4874 /* FIXME: Fix SSA to handle branches inside bblocks */
4875 if (cfg->opt & MONO_OPT_SSA)
4876 cfg->enable_extended_bblocks = FALSE;
4879 * FIXME: This confuses liveness analysis because variables which are assigned after
4880 * a branch inside a bblock become part of the kill set, even though the assignment
4881 * might not get executed. This causes the optimize_initlocals pass to delete some
4882 * assignments which are needed.
4883 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4886 //cfg->enable_extended_bblocks = TRUE;
4888 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4889 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
4890 if (mini_get_debug_options ()->break_on_unverified)
4896 * create MonoInst* which represents arguments and local variables
4898 mono_compile_create_vars (cfg);
4900 /* SSAPRE is not supported on linear IR */
4901 cfg->opt &= ~MONO_OPT_SSAPRE;
4903 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4906 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4908 if (MONO_METHOD_COMPILE_END_ENABLED ())
4909 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4912 mono_destroy_compile (cfg);
4913 try_generic_shared = FALSE;
4914 goto restart_compile;
4916 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4918 if (MONO_METHOD_COMPILE_END_ENABLED ())
4919 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4920 /* cfg contains the details of the failure, so let the caller cleanup */
4924 cfg->stat_basic_blocks += cfg->num_bblocks;
4926 if (COMPILE_LLVM (cfg)) {
4929 /* The IR has to be in SSA form for LLVM */
4930 cfg->opt |= MONO_OPT_SSA;
4934 // Allow SSA on the result value
4935 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4937 // Add an explicit return instruction referencing the return value
4938 MONO_INST_NEW (cfg, ins, OP_SETRET);
4939 ins->sreg1 = cfg->ret->dreg;
4941 MONO_ADD_INS (cfg->bb_exit, ins);
4944 cfg->opt &= ~MONO_OPT_LINEARS;
4947 cfg->opt &= ~MONO_OPT_BRANCH;
4950 /* todo: remove code when we have verified that the liveness for try/catch blocks
4954 * Currently, this can't be commented out since exception blocks are not
4955 * processed during liveness analysis.
4956 * It is also needed, because otherwise the local optimization passes would
4957 * delete assignments in cases like this:
4959 * <something which throws>
4961 * This also allows SSA to be run on methods containing exception clauses, since
4962 * SSA will ignore variables marked VOLATILE.
4964 mono_liveness_handle_exception_clauses (cfg);
4966 mono_handle_out_of_line_bblock (cfg);
4968 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4970 if (!COMPILE_LLVM (cfg))
4971 mono_decompose_long_opts (cfg);
4973 /* Should be done before branch opts */
4974 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4975 mono_local_cprop (cfg);
4977 if (cfg->opt & MONO_OPT_BRANCH)
4978 mono_optimize_branches (cfg);
4980 /* This must be done _before_ global reg alloc and _after_ decompose */
4981 mono_handle_global_vregs (cfg);
4982 if (cfg->opt & MONO_OPT_DEADCE)
4983 mono_local_deadce (cfg);
4984 /* Disable this for LLVM to make the IR easier to handle */
4985 if (!COMPILE_LLVM (cfg))
4986 mono_if_conversion (cfg);
4988 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4989 mono_remove_critical_edges (cfg);
4991 /* Depth-first ordering on basic blocks */
4992 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4994 cfg->max_block_num = cfg->num_bblocks;
4997 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4998 if (cfg->num_bblocks != dfn + 1) {
5001 cfg->num_bblocks = dfn + 1;
5003 /* remove unreachable code, because the code in them may be
5004 * inconsistent (access to dead variables for example) */
5005 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5006 bb->flags &= ~BB_VISITED;
5007 compute_reachable (cfg->bb_entry);
5008 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5009 if (bb->flags & BB_EXCEPTION_HANDLER)
5010 compute_reachable (bb);
5011 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5012 if (!(bb->flags & BB_VISITED)) {
5013 if (cfg->verbose_level > 1)
5014 g_print ("found unreachable code in BB%d\n", bb->block_num);
5015 bb->code = bb->last_ins = NULL;
5016 while (bb->out_count)
5017 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
5020 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5021 bb->flags &= ~BB_VISITED;
5024 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
5026 * we disable some optimizations if there are too many variables
5027 * because JIT time may become too expensive. The actual number needs
5028 * to be tweaked and eventually the non-linear algorithms should be fixed.
5030 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
5031 cfg->disable_ssa = TRUE;
5034 if (cfg->opt & MONO_OPT_LOOP) {
5035 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
5036 mono_compute_natural_loops (cfg);
5039 /* after method_to_ir */
5041 if (MONO_METHOD_COMPILE_END_ENABLED ())
5042 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5047 if (header->num_clauses)
5048 cfg->disable_ssa = TRUE;
5051 //#define DEBUGSSA "logic_run"
5052 #define DEBUGSSA_CLASS "Tests"
5055 if (!cfg->disable_ssa) {
5056 mono_local_cprop (cfg);
5059 mono_ssa_compute (cfg);
5063 if (cfg->opt & MONO_OPT_SSA) {
5064 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
5066 mono_ssa_compute (cfg);
5069 if (cfg->verbose_level >= 2) {
5076 /* after SSA translation */
5078 if (MONO_METHOD_COMPILE_END_ENABLED ())
5079 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5083 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
5084 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5086 mono_ssa_cprop (cfg);
5092 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5093 //mono_ssa_strength_reduction (cfg);
5095 if (cfg->opt & MONO_OPT_SSAPRE) {
5096 mono_perform_ssapre (cfg);
5097 //mono_local_cprop (cfg);
5100 if (cfg->opt & MONO_OPT_DEADCE) {
5101 mono_ssa_deadce (cfg);
5102 deadce_has_run = TRUE;
5105 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5106 mono_perform_abc_removal (cfg);
5108 mono_ssa_remove (cfg);
5109 mono_local_cprop (cfg);
5110 mono_handle_global_vregs (cfg);
5111 if (cfg->opt & MONO_OPT_DEADCE)
5112 mono_local_deadce (cfg);
5114 if (cfg->opt & MONO_OPT_BRANCH) {
5117 mono_optimize_branches (cfg);
5119 /* Have to recompute cfg->bblocks and bb->dfn */
5120 if (cfg->globalra) {
5121 mono_remove_critical_edges (cfg);
5123 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5126 /* Depth-first ordering on basic blocks */
5127 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5130 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5131 cfg->num_bblocks = dfn + 1;
5137 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5138 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
5139 if (cfg->opt & MONO_OPT_ABCREM)
5140 mono_perform_abc_removal (cfg);
5143 /* after SSA removal */
5145 if (MONO_METHOD_COMPILE_END_ENABLED ())
5146 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5150 #ifdef MONO_ARCH_SOFT_FLOAT
5151 if (!COMPILE_LLVM (cfg))
5152 mono_decompose_soft_float (cfg);
5154 if (!COMPILE_LLVM (cfg))
5155 mono_decompose_vtype_opts (cfg);
5156 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5157 mono_decompose_array_access_opts (cfg);
5160 #ifndef MONO_ARCH_GOT_REG
5165 g_assert (cfg->got_var_allocated);
5168 * Allways allocate the GOT var to a register, because keeping it
5169 * in memory will increase the number of live temporaries in some
5170 * code created by inssel.brg, leading to the well known spills+
5171 * branches problem. Testcase: mcs crash in
5172 * System.MonoCustomAttrs:GetCustomAttributes.
5174 #ifdef MONO_ARCH_GOT_REG
5175 got_reg = MONO_ARCH_GOT_REG;
5177 regs = mono_arch_get_global_int_regs (cfg);
5179 got_reg = GPOINTER_TO_INT (regs->data);
5182 cfg->got_var->opcode = OP_REGVAR;
5183 cfg->got_var->dreg = got_reg;
5184 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5188 * Have to call this again to process variables added since the first call.
5190 mono_liveness_handle_exception_clauses (cfg);
5192 if (cfg->globalra) {
5195 /* Have to do this before regalloc since it can create vregs */
5196 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5197 mono_arch_lowering_pass (cfg, bb);
5199 mono_global_regalloc (cfg);
5202 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5203 GList *vars, *regs, *l;
5205 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5206 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5207 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5208 mono_analyze_liveness (cfg);
5210 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5211 regs = mono_arch_get_global_int_regs (cfg);
5212 /* Remove the reg reserved for holding the GOT address */
5214 for (l = regs; l; l = l->next) {
5215 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5216 regs = g_list_delete_link (regs, l);
5221 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5225 //mono_print_code (cfg, "");
5229 /* variables are allocated after decompose, since decompose could create temps */
5230 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5231 mono_arch_allocate_vars (cfg);
5232 if (cfg->exception_type)
5238 gboolean need_local_opts;
5240 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5241 mono_spill_global_vars (cfg, &need_local_opts);
5243 if (need_local_opts || cfg->compile_aot) {
5244 /* To optimize code created by spill_global_vars */
5245 mono_local_cprop (cfg);
5246 if (cfg->opt & MONO_OPT_DEADCE)
5247 mono_local_deadce (cfg);
5251 /* Add branches between non-consecutive bblocks */
5252 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5253 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5254 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5255 /* we are careful when inverting, since bugs like #59580
5256 * could show up when dealing with NaNs.
5258 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5259 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5260 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5261 bb->last_ins->inst_false_bb = tmp;
5263 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5265 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5266 inst->opcode = OP_BR;
5267 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5268 mono_bblock_add_inst (bb, inst);
5273 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5274 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5275 MonoInst *tree = bb->code;
5276 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5279 for (; tree; tree = tree->next) {
5280 mono_print_ins_index (-1, tree);
5286 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5287 bb->max_vreg = cfg->next_vreg;
5291 if (COMPILE_LLVM (cfg)) {
5295 /* The IR has to be in SSA form for LLVM */
5296 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5297 cfg->exception_message = g_strdup ("SSA disabled.");
5298 cfg->disable_llvm = TRUE;
5301 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5302 mono_decompose_array_access_opts (cfg);
5304 if (!cfg->disable_llvm)
5305 mono_llvm_emit_method (cfg);
5306 if (cfg->disable_llvm) {
5307 if (cfg->verbose_level >= 1) {
5308 //nm = mono_method_full_name (cfg->method, TRUE);
5309 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5312 mono_destroy_compile (cfg);
5314 goto restart_compile;
5317 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5318 nm = mono_method_full_name (cfg->method, TRUE);
5319 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5321 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5329 if (COMPILE_LLVM (cfg))
5330 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5332 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5334 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5336 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5337 if (cfg->extend_live_ranges) {
5338 /* Extend live ranges to cover the whole method */
5339 for (i = 0; i < cfg->num_varinfo; ++i)
5340 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5344 if (!cfg->compile_aot)
5345 mono_save_xdebug_info (cfg);
5347 mini_gc_create_gc_map (cfg);
5349 mono_save_seq_point_info (cfg);
5351 if (cfg->verbose_level >= 2) {
5352 char *id = mono_method_full_name (cfg->method, FALSE);
5353 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5357 if (!cfg->compile_aot) {
5358 mono_domain_lock (cfg->domain);
5359 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5361 if (cfg->method->dynamic)
5362 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5363 mono_domain_unlock (cfg->domain);
5368 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5371 /* collect statistics */
5372 #ifndef DISABLE_PERFCOUNTERS
5373 mono_perfcounters->jit_methods++;
5374 mono_perfcounters->jit_bytes += header->code_size;
5376 mono_jit_stats.allocated_code_size += cfg->code_len;
5377 code_size_ratio = cfg->code_len;
5378 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5379 mono_jit_stats.biggest_method_size = code_size_ratio;
5380 g_free (mono_jit_stats.biggest_method);
5381 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5383 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5384 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5385 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5386 g_free (mono_jit_stats.max_ratio_method);
5387 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5389 mono_jit_stats.native_code_size += cfg->code_len;
5391 if (MONO_METHOD_COMPILE_END_ENABLED ())
5392 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5400 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
5402 g_assert_not_reached ();
5406 #endif /* DISABLE_JIT */
5409 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
5411 static gboolean inited = FALSE;
5412 static int lookups = 0;
5413 static int failed_lookups = 0;
5416 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
5417 if (ji && !ji->has_generic_jit_info)
5421 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5422 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5434 * LOCKING: Assumes domain->jit_code_hash_lock is held.
5437 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
5439 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5444 if (!mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE, TRUE))
5446 return mono_domain_lookup_shared_generic (domain, method);
5450 lookup_method (MonoDomain *domain, MonoMethod *method)
5454 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
5455 mono_domain_jit_code_hash_lock (domain);
5456 info = lookup_method_inner (domain, method);
5457 mono_domain_jit_code_hash_unlock (domain);
5458 mono_loader_unlock ();
5464 static FILE* perf_map_file = NULL;
5467 mono_enable_jit_map (void)
5469 if (!perf_map_file) {
5471 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5473 perf_map_file = fopen (name, "w");
5478 mono_emit_jit_tramp (void *start, int size, const char *desc)
5481 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5485 mono_emit_jit_map (MonoJitInfo *jinfo)
5487 if (perf_map_file) {
5488 char *name = mono_method_full_name (jinfo->method, TRUE);
5489 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5495 mono_jit_map_is_enabled (void)
5497 return perf_map_file != NULL;
5503 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5506 gpointer code = NULL;
5507 MonoJitInfo *jinfo, *info;
5509 MonoException *ex = NULL;
5510 guint32 prof_options;
5512 MonoMethod *prof_method;
5514 #ifdef MONO_USE_AOT_COMPILER
5515 if (opt & MONO_OPT_AOT) {
5516 MonoDomain *domain = mono_domain_get ();
5518 mono_class_init (method->klass);
5520 if ((code = mono_aot_get_method (domain, method))) {
5521 vtable = mono_class_vtable (domain, method->klass);
5523 mono_runtime_class_init (vtable);
5530 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5531 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5533 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5535 if (!piinfo->addr) {
5536 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5537 piinfo->addr = mono_lookup_internal_call (method);
5538 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5540 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);
5542 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);
5545 mono_lookup_pinvoke_call (method, NULL, NULL);
5547 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5548 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5549 jinfo = mono_jit_info_table_find (target_domain, code);
5551 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5553 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5556 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
5557 //mono_debug_add_wrapper (method, nm);
5558 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5559 const char *name = method->name;
5560 char *full_name, *msg;
5563 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5564 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5565 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5568 * We need to make sure this wrapper
5569 * is compiled because it might end up
5570 * in an (M)RGCTX if generic sharing
5571 * is enabled, and would be called
5572 * indirectly. If it were a
5573 * trampoline we'd try to patch that
5574 * indirect call, which is not
5577 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5578 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5579 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5580 return mono_create_delegate_trampoline (target_domain, method->klass);
5582 nm = mono_marshal_get_delegate_invoke (method, NULL);
5583 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5585 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5586 nm = mono_marshal_get_delegate_begin_invoke (method);
5587 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5588 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5589 nm = mono_marshal_get_delegate_end_invoke (method);
5590 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5594 full_name = mono_method_full_name (method, TRUE);
5595 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5596 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5602 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5603 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5605 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5606 static MonoTrampInfo *in_tinfo, *out_tinfo;
5607 MonoTrampInfo *tinfo;
5609 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5611 if (is_in && in_tinfo)
5612 return in_tinfo->code;
5613 else if (!is_in && out_tinfo)
5614 return out_tinfo->code;
5617 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5619 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5622 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
5624 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
5625 jinfo = create_jit_info_for_trampoline (method, tinfo);
5626 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
5635 if (mono_aot_only) {
5636 char *fullname = mono_method_full_name (method, TRUE);
5637 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only. See http://docs.xamarin.com/ios/about/limitations for more information.\n", fullname);
5639 *jit_ex = mono_get_exception_execution_engine (msg);
5646 jit_timer = g_timer_new ();
5648 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5649 prof_method = cfg->method;
5651 g_timer_stop (jit_timer);
5652 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5653 g_timer_destroy (jit_timer);
5655 switch (cfg->exception_type) {
5656 case MONO_EXCEPTION_NONE:
5658 case MONO_EXCEPTION_TYPE_LOAD:
5659 case MONO_EXCEPTION_MISSING_FIELD:
5660 case MONO_EXCEPTION_MISSING_METHOD:
5661 case MONO_EXCEPTION_FILE_NOT_FOUND:
5662 case MONO_EXCEPTION_BAD_IMAGE: {
5663 /* Throw a type load exception if needed */
5664 MonoLoaderError *error = mono_loader_get_last_error ();
5667 ex = mono_loader_error_prepare_exception (error);
5669 if (cfg->exception_ptr) {
5670 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5672 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5673 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5674 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5675 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5676 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5677 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5678 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5679 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5680 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5681 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5683 g_assert_not_reached ();
5688 case MONO_EXCEPTION_INVALID_PROGRAM:
5689 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5691 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5692 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5694 case MONO_EXCEPTION_METHOD_ACCESS:
5695 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5697 case MONO_EXCEPTION_FIELD_ACCESS:
5698 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5700 /* this can only be set if the security manager is active */
5701 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5702 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5703 MonoObject *exc = NULL;
5706 args [0] = &cfg->exception_data;
5708 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5710 ex = (MonoException*)exc;
5713 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5714 MonoException *exp = cfg->exception_ptr;
5715 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5720 case MONO_EXCEPTION_OUT_OF_MEMORY:
5721 ex = mono_domain_get ()->out_of_memory_ex;
5724 g_assert_not_reached ();
5728 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5729 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5731 mono_destroy_compile (cfg);
5737 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5738 mono_domain_lock (target_domain);
5740 /* Check if some other thread already did the job. In this case, we can
5741 discard the code this thread generated. */
5743 mono_domain_jit_code_hash_lock (target_domain);
5745 info = lookup_method_inner (target_domain, method);
5747 /* We can't use a domain specific method in another domain */
5748 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5749 code = info->code_start;
5750 // printf("Discarding code for method %s\n", method->name);
5755 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
5756 mono_domain_jit_code_hash_unlock (target_domain);
5757 code = cfg->native_code;
5759 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE, TRUE))
5760 mono_stats.generics_shared_methods++;
5762 mono_stats.gsharedvt_methods++;
5764 mono_domain_jit_code_hash_unlock (target_domain);
5767 jinfo = cfg->jit_info;
5769 prof_options = cfg->prof_options;
5772 * Update global stats while holding a lock, instead of doing many
5773 * InterlockedIncrement operations during JITting.
5775 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
5776 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
5777 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
5778 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
5779 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
5780 mono_jit_stats.regvars += cfg->stat_n_regvars;
5781 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
5782 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
5783 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
5784 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
5786 mono_destroy_compile (cfg);
5789 if (domain_jit_info (target_domain)->jump_target_hash) {
5790 MonoJumpInfo patch_info;
5791 MonoJumpList *jlist;
5793 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
5795 patch_info.next = NULL;
5796 patch_info.ip.i = 0;
5797 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
5798 patch_info.data.method = method;
5799 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
5801 for (tmp = jlist->list; tmp; tmp = tmp->next)
5802 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
5806 mono_emit_jit_map (jinfo);
5808 mono_domain_unlock (target_domain);
5809 mono_loader_unlock ();
5811 vtable = mono_class_vtable (target_domain, method->klass);
5813 ex = mono_class_get_exception_for_failure (method->klass);
5819 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
5820 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
5821 if (mono_marshal_method_from_wrapper (method)) {
5822 /* Native func wrappers have no method */
5823 /* The profiler doesn't know about wrappers, so pass the original icall method */
5824 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
5827 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5828 if (prof_method != method) {
5829 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
5833 ex = mono_runtime_class_init_full (vtable, FALSE);
5842 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
5844 MonoDomain *target_domain, *domain = mono_domain_get ();
5847 MonoJitICallInfo *callinfo = NULL;
5848 WrapperInfo *winfo = NULL;
5851 * ICALL wrappers are handled specially, since there is only one copy of them
5852 * shared by all appdomains.
5854 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
5855 winfo = mono_marshal_get_wrapper_info (method);
5856 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
5857 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
5858 g_assert (callinfo);
5860 /* Must be domain neutral since there is only one copy */
5861 opt |= MONO_OPT_SHARED;
5864 if (method->dynamic)
5865 opt &= ~MONO_OPT_SHARED;
5867 /* These methods can become invalid when a domain is unloaded */
5868 if (method->klass->image != mono_get_corlib () || method->is_inflated)
5869 opt &= ~MONO_OPT_SHARED;
5871 if (opt & MONO_OPT_SHARED)
5872 target_domain = mono_get_root_domain ();
5874 target_domain = domain;
5876 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5877 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5880 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER)
5881 method = info->d.synchronized_inner.method;
5884 info = lookup_method (target_domain, method);
5886 /* We can't use a domain specific method in another domain */
5887 if (! ((domain != target_domain) && !info->domain_neutral)) {
5889 MonoException *tmpEx;
5891 mono_jit_stats.methods_lookups++;
5892 vtable = mono_class_vtable (domain, method->klass);
5894 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
5899 return mono_create_ftnptr (target_domain, info->code_start);
5903 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
5907 p = mono_create_ftnptr (target_domain, code);
5910 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
5911 mono_loader_lock ();
5913 if (!callinfo->wrapper) {
5914 callinfo->wrapper = p;
5915 mono_register_jit_icall_wrapper (callinfo, p);
5916 mono_debug_add_icall_wrapper (method, callinfo);
5919 mono_loader_unlock ();
5926 mono_jit_compile_method (MonoMethod *method)
5928 MonoException *ex = NULL;
5931 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
5934 mono_raise_exception (ex);
5940 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5942 invalidated_delegate_trampoline (char *desc)
5944 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
5945 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
5951 * mono_jit_free_method:
5953 * Free all memory allocated by the JIT for METHOD.
5956 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
5958 MonoJitDynamicMethodInfo *ji;
5959 gboolean destroy = TRUE;
5960 GHashTableIter iter;
5961 MonoJumpList *jlist;
5963 g_assert (method->dynamic);
5965 mono_domain_lock (domain);
5966 ji = mono_dynamic_code_hash_lookup (domain, method);
5967 mono_domain_unlock (domain);
5972 mono_debug_remove_method (method, domain);
5974 mono_domain_lock (domain);
5975 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
5976 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
5977 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
5978 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
5980 /* Remove jump targets in this method */
5981 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
5982 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
5983 GSList *tmp, *remove;
5986 for (tmp = jlist->list; tmp; tmp = tmp->next) {
5987 guint8 *ip = tmp->data;
5989 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
5990 remove = g_slist_prepend (remove, tmp);
5992 for (tmp = remove; tmp; tmp = tmp->next) {
5993 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
5995 g_slist_free (remove);
5998 mono_domain_unlock (domain);
6000 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6001 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
6003 * Instead of freeing the code, change it to call an error routine
6004 * so people can fix their code.
6006 char *type = mono_type_full_name (&method->klass->byval_arg);
6007 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
6010 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
6016 * This needs to be done before freeing code_mp, since the code address is the
6017 * key in the table, so if we free the code_mp first, another thread can grab the
6018 * same code address and replace our entry in the table.
6020 mono_jit_info_table_remove (domain, ji->ji);
6023 mono_code_manager_destroy (ji->code_mp);
6028 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
6030 MonoDomain *target_domain;
6033 if (default_opt & MONO_OPT_SHARED)
6034 target_domain = mono_get_root_domain ();
6036 target_domain = domain;
6038 info = lookup_method (target_domain, method);
6040 /* We can't use a domain specific method in another domain */
6041 if (! ((domain != target_domain) && !info->domain_neutral)) {
6042 mono_jit_stats.methods_lookups++;
6045 return info->code_start;
6055 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
6057 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
6062 gpointer compiled_method;
6063 gpointer runtime_invoke;
6065 MonoDynCallInfo *dyn_call_info;
6066 MonoClass *ret_box_class;
6067 } RuntimeInvokeInfo;
6070 * mono_jit_runtime_invoke:
6071 * @method: the method to invoke
6072 * @obj: this pointer
6073 * @params: array of parameter values.
6074 * @exc: used to catch exceptions objects
6077 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
6080 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
6081 MonoDomain *domain = mono_domain_get ();
6082 MonoJitDomainInfo *domain_info;
6083 RuntimeInvokeInfo *info, *info2;
6085 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6086 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6090 domain_info = domain_jit_info (domain);
6092 mono_domain_lock (domain);
6093 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6094 mono_domain_unlock (domain);
6097 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
6099 * This might be redundant since mono_class_vtable () already does this,
6100 * but keep it just in case for moonlight.
6102 mono_class_setup_vtable (method->klass);
6103 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6105 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6107 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6112 info = g_new0 (RuntimeInvokeInfo, 1);
6114 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6115 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6116 g_assert (info->vtable);
6118 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6119 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6121 * Array Get/Set/Address methods. The JIT implements them using inline code
6122 * inside the runtime invoke wrappers, so no need to compile them.
6124 info->compiled_method = NULL;
6126 MonoException *jit_ex = NULL;
6128 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
6129 if (!info->compiled_method) {
6133 *exc = (MonoObject*)jit_ex;
6136 mono_raise_exception (jit_ex);
6140 info->compiled_method = mini_add_method_trampoline (NULL, method, info->compiled_method, mono_method_needs_static_rgctx_invoke (method, FALSE));
6144 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6145 * in full-aot mode, so we use a slower, but more generic wrapper if
6146 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6148 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6149 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6150 MonoMethodSignature *sig = mono_method_signature (method);
6151 gboolean supported = TRUE;
6154 if (method->string_ctor)
6155 sig = mono_marshal_get_string_ctor_signature (method);
6157 for (i = 0; i < sig->param_count; ++i) {
6158 MonoType *t = sig->params [i];
6160 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6164 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
6168 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6170 if (info->dyn_call_info) {
6171 switch (sig->ret->type) {
6172 case MONO_TYPE_VOID:
6184 case MONO_TYPE_BOOLEAN:
6185 case MONO_TYPE_CHAR:
6188 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6191 info->ret_box_class = mono_defaults.int_class;
6193 case MONO_TYPE_STRING:
6194 case MONO_TYPE_CLASS:
6195 case MONO_TYPE_ARRAY:
6196 case MONO_TYPE_SZARRAY:
6197 case MONO_TYPE_OBJECT:
6199 case MONO_TYPE_GENERICINST:
6200 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
6201 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6203 case MONO_TYPE_VALUETYPE:
6204 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6207 g_assert_not_reached ();
6214 if (!info->dyn_call_info)
6215 info->runtime_invoke = mono_jit_compile_method (invoke);
6217 mono_domain_lock (domain);
6218 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6223 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
6225 mono_domain_unlock (domain);
6228 runtime_invoke = info->runtime_invoke;
6231 * We need this here because mono_marshal_get_runtime_invoke can place
6232 * the helper method in System.Object and not the target class.
6235 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6239 mono_runtime_class_init (info->vtable);
6242 /* The wrappers expect this to be initialized to NULL */
6246 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6247 if (info->dyn_call_info) {
6248 MonoMethodSignature *sig = mono_method_signature (method);
6250 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6253 guint8 retval [128];
6255 if (!dyn_runtime_invoke) {
6256 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6257 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6260 /* Convert the arguments to the format expected by start_dyn_call () */
6261 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6264 args [pindex ++] = &obj;
6265 for (i = 0; i < sig->param_count; ++i) {
6266 MonoType *t = sig->params [i];
6269 args [pindex ++] = ¶ms [i];
6270 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6271 args [pindex ++] = ¶ms [i];
6273 args [pindex ++] = params [i];
6277 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6279 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6281 dyn_runtime_invoke (buf, exc, info->compiled_method);
6283 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6285 if (info->ret_box_class)
6286 return mono_value_box (domain, info->ret_box_class, retval);
6288 return *(MonoObject**)retval;
6292 return runtime_invoke (obj, params, exc, info->compiled_method);
6296 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
6298 MonoException *exc = NULL;
6300 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
6305 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6307 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6308 if (mono_arch_is_int_overflow (ctx, info))
6310 * The spec says this throws ArithmeticException, but MS throws the derived
6311 * OverflowException.
6313 exc = mono_get_exception_overflow ();
6315 exc = mono_get_exception_divide_by_zero ();
6317 exc = mono_get_exception_divide_by_zero ();
6321 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6324 mono_handle_native_sigsegv (SIGSEGV, ctx);
6327 mono_arch_handle_exception (ctx, exc);
6331 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
6336 exc = mono_get_exception_execution_engine ("SIGILL");
6338 mono_arch_handle_exception (ctx, exc);
6341 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6342 #define HAVE_SIG_INFO
6346 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
6349 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6350 gpointer fault_addr = NULL;
6354 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6355 if (mono_arch_is_single_step_event (info, ctx)) {
6356 mono_debugger_agent_single_step_event (ctx);
6358 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6359 mono_debugger_agent_breakpoint_hit (ctx);
6364 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6365 fault_addr = info->si_addr;
6366 if (mono_aot_is_pagefault (info->si_addr)) {
6367 mono_aot_handle_pagefault (info->si_addr);
6372 /* The thread might no be registered with the runtime */
6373 if (!mono_domain_get () || !jit_tls) {
6374 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6376 mono_handle_native_sigsegv (SIGSEGV, ctx);
6379 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6381 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6382 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6385 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6386 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6387 fault_addr = info->si_addr;
6388 if (fault_addr == NULL) {
6391 mono_arch_sigctx_to_monoctx (ctx, &mctx);
6393 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6397 if (jit_tls->stack_size &&
6398 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6400 * The hard-guard page has been hit: there is not much we can do anymore
6401 * Print a hopefully clear message and abort.
6403 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6404 g_assert_not_reached ();
6406 /* The original handler might not like that it is executed on an altstack... */
6407 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
6410 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6415 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6418 mono_handle_native_sigsegv (SIGSEGV, ctx);
6421 mono_arch_handle_exception (ctx, NULL);
6426 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
6431 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6433 mono_arch_handle_exception (ctx, exc);
6436 #ifndef DISABLE_REMOTING
6437 /* mono_jit_create_remoting_trampoline:
6438 * @method: pointer to the method info
6440 * Creates a trampoline which calls the remoting functions. This
6441 * is used in the vtable of transparent proxies.
6443 * Returns: a pointer to the newly created code
6446 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6449 guint8 *addr = NULL;
6451 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6452 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6456 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6457 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
6458 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6459 addr = mono_compile_method (nm);
6462 addr = mono_compile_method (method);
6464 return mono_get_addr_from_ftnptr (addr);
6468 static gpointer *vtable_trampolines;
6469 static int vtable_trampolines_size;
6472 mini_get_vtable_trampoline (int slot_index)
6474 int index = slot_index + MONO_IMT_SIZE;
6476 g_assert (slot_index >= - MONO_IMT_SIZE);
6477 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6479 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6483 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6484 while (new_size <= index)
6486 new_table = g_new0 (gpointer, new_size);
6488 if (vtable_trampolines)
6489 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6490 g_free (vtable_trampolines);
6491 mono_memory_barrier ();
6492 vtable_trampolines = new_table;
6493 vtable_trampolines_size = new_size;
6498 if (!vtable_trampolines [index])
6499 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6500 return vtable_trampolines [index];
6504 mini_get_imt_trampoline (int slot_index)
6506 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6510 mini_parse_debug_options (void)
6512 char *options = getenv ("MONO_DEBUG");
6513 gchar **args, **ptr;
6518 args = g_strsplit (options, ",", -1);
6520 for (ptr = args; ptr && *ptr; ptr++) {
6521 const char *arg = *ptr;
6523 if (!strcmp (arg, "handle-sigint"))
6524 debug_options.handle_sigint = TRUE;
6525 else if (!strcmp (arg, "keep-delegates"))
6526 debug_options.keep_delegates = TRUE;
6527 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6528 debug_options.reverse_pinvoke_exceptions = TRUE;
6529 else if (!strcmp (arg, "collect-pagefault-stats"))
6530 debug_options.collect_pagefault_stats = TRUE;
6531 else if (!strcmp (arg, "break-on-unverified"))
6532 debug_options.break_on_unverified = TRUE;
6533 else if (!strcmp (arg, "no-gdb-backtrace"))
6534 debug_options.no_gdb_backtrace = TRUE;
6535 else if (!strcmp (arg, "suspend-on-sigsegv"))
6536 debug_options.suspend_on_sigsegv = TRUE;
6537 else if (!strcmp (arg, "suspend-on-unhandled"))
6538 debug_options.suspend_on_unhandled = TRUE;
6539 else if (!strcmp (arg, "dont-free-domains"))
6540 mono_dont_free_domains = TRUE;
6541 else if (!strcmp (arg, "dyn-runtime-invoke"))
6542 debug_options.dyn_runtime_invoke = TRUE;
6543 else if (!strcmp (arg, "gdb"))
6544 debug_options.gdb = TRUE;
6545 else if (!strcmp (arg, "explicit-null-checks"))
6546 debug_options.explicit_null_checks = TRUE;
6547 else if (!strcmp (arg, "gen-seq-points"))
6548 debug_options.gen_seq_points = TRUE;
6549 else if (!strcmp (arg, "init-stacks"))
6550 debug_options.init_stacks = TRUE;
6551 else if (!strcmp (arg, "casts"))
6552 debug_options.better_cast_details = TRUE;
6553 else if (!strcmp (arg, "soft-breakpoints"))
6554 debug_options.soft_breakpoints = TRUE;
6556 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6557 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");
6566 mini_get_debug_options (void)
6568 return &debug_options;
6572 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6574 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
6578 gpointer* desc = NULL;
6580 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
6583 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6587 # elif defined(__ppc64__) || defined(__powerpc64__)
6590 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6596 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
6602 mini_get_addr_from_ftnptr (gpointer descr)
6604 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6605 return *(gpointer*)descr;
6612 register_jit_stats (void)
6614 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
6615 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
6616 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6617 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6618 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6619 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
6620 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
6621 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
6622 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
6623 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
6624 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
6625 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
6626 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
6627 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
6628 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
6629 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
6630 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
6633 static void runtime_invoke_info_free (gpointer value);
6636 mini_create_jit_domain_info (MonoDomain *domain)
6638 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
6640 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6641 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6642 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6643 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6644 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6645 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
6646 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
6647 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
6648 info->jump_target_hash = g_hash_table_new (NULL, NULL);
6650 domain->runtime_info = info;
6654 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
6656 MonoJumpList *jlist = value;
6657 g_slist_free (jlist->list);
6661 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
6663 MonoJitDynamicMethodInfo *di = value;
6664 mono_code_manager_destroy (di->code_mp);
6669 runtime_invoke_info_free (gpointer value)
6671 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
6673 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6674 if (info->dyn_call_info)
6675 mono_arch_dyn_call_free (info->dyn_call_info);
6681 mini_free_jit_domain_info (MonoDomain *domain)
6683 MonoJitDomainInfo *info = domain_jit_info (domain);
6685 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6686 g_hash_table_destroy (info->jump_target_hash);
6687 if (info->jump_target_got_slot_hash) {
6688 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6689 g_hash_table_destroy (info->jump_target_got_slot_hash);
6691 if (info->dynamic_code_hash) {
6692 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6693 g_hash_table_destroy (info->dynamic_code_hash);
6695 if (info->method_code_hash)
6696 g_hash_table_destroy (info->method_code_hash);
6697 g_hash_table_destroy (info->class_init_trampoline_hash);
6698 g_hash_table_destroy (info->jump_trampoline_hash);
6699 g_hash_table_destroy (info->jit_trampoline_hash);
6700 g_hash_table_destroy (info->delegate_trampoline_hash);
6701 if (info->static_rgctx_trampoline_hash)
6702 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6703 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6704 g_hash_table_destroy (info->runtime_invoke_hash);
6705 g_hash_table_destroy (info->seq_points);
6706 g_hash_table_destroy (info->arch_seq_points);
6707 if (info->agent_info)
6708 mono_debugger_agent_free_domain_info (domain);
6709 if (info->gsharedvt_arg_tramp_hash)
6710 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
6712 g_free (domain->runtime_info);
6713 domain->runtime_info = NULL;
6717 mini_init (const char *filename, const char *runtime_version)
6720 MonoRuntimeCallbacks callbacks;
6721 MonoThreadInfoRuntimeCallbacks ticallbacks;
6723 MONO_VES_INIT_BEGIN ();
6725 #if defined(__linux__) && !defined(__native_client__)
6726 if (access ("/proc/self/maps", F_OK) != 0) {
6727 g_print ("Mono requires /proc to be mounted.\n");
6732 /* Happens when using the embedding interface */
6733 if (!default_opt_set)
6734 default_opt = mono_parse_default_optimizations (NULL);
6736 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
6738 mono_set_generic_sharing_vt_supported (TRUE);
6741 InitializeCriticalSection (&jit_mutex);
6743 #ifdef MONO_DEBUGGER_SUPPORTED
6744 if (mini_debug_running_inside_mdb ())
6745 mini_debugger_init ();
6748 #ifdef MONO_HAVE_FAST_TLS
6749 MONO_FAST_TLS_INIT (mono_jit_tls);
6750 MONO_FAST_TLS_INIT (mono_lmf_addr);
6751 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
6752 MONO_FAST_TLS_INIT (mono_lmf);
6756 #ifdef MONO_ARCH_HAVE_TLS_GET
6757 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
6759 mono_runtime_set_has_tls_get (FALSE);
6762 if (!global_codeman)
6763 global_codeman = mono_code_manager_new ();
6764 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
6766 memset (&callbacks, 0, sizeof (callbacks));
6767 callbacks.create_ftnptr = mini_create_ftnptr;
6768 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
6769 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
6770 callbacks.set_cast_details = mono_set_cast_details;
6771 callbacks.debug_log = mono_debugger_agent_debug_log;
6772 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
6774 #ifdef MONO_ARCH_HAVE_IMT
6776 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
6777 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
6781 mono_install_callbacks (&callbacks);
6783 memset (&ticallbacks, 0, sizeof (ticallbacks));
6784 ticallbacks.setup_async_callback = mono_setup_async_callback;
6785 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
6786 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
6788 mono_threads_runtime_init (&ticallbacks);
6791 if (getenv ("MONO_DEBUG") != NULL)
6792 mini_parse_debug_options ();
6794 mono_arch_cpu_init ();
6798 mono_unwind_init ();
6800 if (getenv ("MONO_XDEBUG")) {
6801 char *xdebug_opts = getenv ("MONO_XDEBUG");
6802 mono_xdebug_init (xdebug_opts);
6803 /* So methods for multiple domains don't have the same address */
6804 mono_dont_free_domains = TRUE;
6805 mono_using_xdebug = TRUE;
6806 } else if (mini_get_debug_options ()->gdb) {
6807 mono_xdebug_init ((char*)"gdb");
6808 mono_dont_free_domains = TRUE;
6809 mono_using_xdebug = TRUE;
6813 if (mono_use_llvm) {
6814 if (!mono_llvm_load (NULL)) {
6815 mono_use_llvm = FALSE;
6816 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
6823 mono_trampolines_init ();
6825 if (!g_thread_supported ())
6826 g_thread_init (NULL);
6828 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
6830 if (default_opt & MONO_OPT_AOT)
6833 mono_debugger_agent_init ();
6835 #ifdef MONO_ARCH_GSHARED_SUPPORTED
6836 mono_set_generic_sharing_supported (TRUE);
6839 #ifndef MONO_CROSS_COMPILE
6840 mono_runtime_install_handlers ();
6842 mono_threads_install_cleanup (mini_thread_cleanup);
6844 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
6845 // This is experimental code so provide an env var to switch it off
6846 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
6847 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
6849 check_for_pending_exc = FALSE;
6850 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
6854 #define JIT_TRAMPOLINES_WORK
6855 #ifdef JIT_TRAMPOLINES_WORK
6856 mono_install_compile_method (mono_jit_compile_method);
6857 mono_install_free_method (mono_jit_free_method);
6858 mono_install_trampoline (mono_create_jit_trampoline);
6859 mono_install_jump_trampoline (mono_create_jump_trampoline);
6860 #ifndef DISABLE_REMOTING
6861 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
6863 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
6864 mono_install_create_domain_hook (mini_create_jit_domain_info);
6865 mono_install_free_domain_hook (mini_free_jit_domain_info);
6867 #define JIT_INVOKE_WORKS
6868 #ifdef JIT_INVOKE_WORKS
6869 mono_install_runtime_invoke (mono_jit_runtime_invoke);
6871 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
6872 mono_install_get_class_from_name (mono_aot_get_class_from_name);
6873 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
6875 if (debug_options.collect_pagefault_stats) {
6876 mono_aot_set_make_unreadable (TRUE);
6879 if (runtime_version)
6880 domain = mono_init_version (filename, runtime_version);
6882 domain = mono_init_from_assembly (filename, filename);
6884 if (mono_aot_only) {
6885 /* This helps catch code allocation requests */
6886 mono_code_manager_set_read_only (domain->code_mp);
6887 mono_marshal_use_aot_wrappers (TRUE);
6890 #ifdef MONO_ARCH_HAVE_IMT
6893 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
6895 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
6898 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
6899 mono_arch_finish_init ();
6902 /* This must come after mono_init () in the aot-only case */
6903 mono_exceptions_init ();
6907 /* This should come after mono_init () too */
6910 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
6911 ves_icall_get_frame_info);
6912 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
6913 ves_icall_get_trace);
6914 mono_add_internal_call ("System.Exception::get_trace",
6915 ves_icall_System_Exception_get_trace);
6916 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
6917 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
6918 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
6919 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
6920 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
6921 mono_runtime_install_handlers);
6923 #ifdef PLATFORM_ANDROID
6924 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
6925 mono_debugger_agent_unhandled_exception);
6929 mono_create_helper_signatures ();
6932 register_jit_stats ();
6934 #define JIT_CALLS_WORK
6935 #ifdef JIT_CALLS_WORK
6936 /* Needs to be called here since register_jit_icall depends on it */
6937 mono_marshal_init ();
6939 mono_arch_register_lowlevel_calls ();
6940 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
6941 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
6942 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
6943 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
6944 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
6945 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
6946 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
6947 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
6949 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
6950 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
6951 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
6952 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
6953 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
6954 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
6955 #ifndef DISABLE_REMOTING
6956 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
6957 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
6960 #if defined(__native_client__) || defined(__native_client_codegen__)
6961 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
6964 * NOTE, NOTE, NOTE, NOTE:
6965 * when adding emulation for some opcodes, remember to also add a dummy
6966 * rule to the burg files, because we need the arity information to be correct.
6968 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
6969 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
6970 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
6971 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
6972 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
6973 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
6974 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
6975 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
6978 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
6979 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
6980 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
6981 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
6984 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
6985 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
6986 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
6987 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
6988 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
6991 #ifdef MONO_ARCH_EMULATE_MUL_DIV
6992 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
6995 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
6996 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
6997 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
7000 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
7001 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
7004 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
7005 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
7006 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
7007 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
7009 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
7010 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
7012 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
7013 register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, "mono_conv_to_r8_un", FALSE);
7015 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
7016 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
7018 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
7019 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
7021 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
7022 register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, "mono_lconv_to_r8_un", FALSE);
7024 #ifdef MONO_ARCH_EMULATE_FREM
7025 #if defined(__default_codegen__)
7026 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
7027 #elif defined(__native_client_codegen__)
7028 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
7032 #ifdef MONO_ARCH_SOFT_FLOAT
7033 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
7034 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
7035 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
7036 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
7037 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
7038 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
7039 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
7040 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
7041 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
7042 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7043 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
7044 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
7045 #if SIZEOF_VOID_P == 4
7046 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7049 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
7050 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
7051 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
7052 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
7053 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
7054 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
7055 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
7056 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
7057 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
7058 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
7060 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
7061 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
7062 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
7063 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
7064 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
7066 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
7067 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
7068 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
7069 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
7072 #ifdef COMPRESSED_INTERFACE_BITMAP
7073 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
7076 #if SIZEOF_REGISTER == 4
7077 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
7080 /* other jit icalls */
7081 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
7082 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
7083 "ptr ptr ptr", FALSE);
7084 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
7085 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
7086 "ptr ptr ptr ptr", FALSE);
7087 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
7088 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
7089 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
7090 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
7091 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
7092 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7093 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7094 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7095 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7096 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7097 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7098 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
7099 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
7100 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
7101 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
7102 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7103 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
7104 register_icall (mono_break, "mono_break", NULL, TRUE);
7105 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7106 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7107 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7108 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7109 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7110 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7111 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
7112 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7113 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7114 register_icall (mono_object_tostring_gsharedvt, "mono_object_tostring_gsharedvt", "object ptr ptr ptr", TRUE);
7115 register_icall (mono_object_gethashcode_gsharedvt, "mono_object_gethashcode_gsharedvt", "int ptr ptr ptr", TRUE);
7117 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7119 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7120 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7122 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7126 register_icall (pthread_getspecific, "pthread_getspecific", NULL, TRUE);
7129 mono_generic_sharing_init ();
7131 #ifdef MONO_ARCH_SIMD_INTRINSICS
7132 mono_simd_intrinsics_init ();
7135 #if MONO_SUPPORT_TASKLETS
7136 mono_tasklets_init ();
7139 if (mono_compile_aot)
7141 * Avoid running managed code when AOT compiling, since the platform
7142 * might only support aot-only execution.
7144 mono_runtime_set_no_exec (TRUE);
7146 #define JIT_RUNTIME_WORKS
7147 #ifdef JIT_RUNTIME_WORKS
7148 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7149 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7150 mono_thread_attach (domain);
7153 mono_profiler_runtime_initialized ();
7155 MONO_VES_INIT_END ();
7160 MonoJitStats mono_jit_stats = {0};
7163 print_jit_stats (void)
7165 if (mono_jit_stats.enabled) {
7166 g_print ("Mono Jit statistics\n");
7167 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7168 mono_jit_stats.max_ratio_method);
7169 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7170 mono_jit_stats.biggest_method);
7172 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7173 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7174 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7175 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7176 g_print ("Methods: %ld\n", mono_stats.method_count);
7177 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7178 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7179 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7181 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7182 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7183 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7185 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7186 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7187 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7188 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7190 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
7191 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
7192 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
7194 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7195 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7196 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7197 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7198 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7199 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7200 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7201 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7203 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7204 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7205 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7207 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
7208 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
7209 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7210 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7211 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7212 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7213 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7214 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7217 g_free (mono_jit_stats.max_ratio_method);
7218 mono_jit_stats.max_ratio_method = NULL;
7219 g_free (mono_jit_stats.biggest_method);
7220 mono_jit_stats.biggest_method = NULL;
7225 mini_cleanup (MonoDomain *domain)
7227 mono_runtime_shutdown_stat_profiler ();
7230 cominterop_release_all_rcws ();
7233 #ifndef MONO_CROSS_COMPILE
7235 * mono_domain_finalize () needs to be called early since it needs the
7236 * execution engine still fully working (it may invoke managed finalizers).
7238 mono_domain_finalize (domain, 2000);
7241 /* This accesses metadata so needs to be called before runtime shutdown */
7244 mono_profiler_shutdown ();
7246 #ifndef MONO_CROSS_COMPILE
7247 mono_runtime_cleanup (domain);
7250 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7252 mono_icall_cleanup ();
7254 mono_runtime_cleanup_handlers ();
7256 mono_domain_free (domain, TRUE);
7258 mono_debugger_cleanup ();
7262 mono_llvm_cleanup ();
7265 mono_aot_cleanup ();
7267 mono_trampolines_cleanup ();
7269 mono_unwind_cleanup ();
7271 if (!mono_dont_free_global_codeman)
7272 mono_code_manager_destroy (global_codeman);
7273 g_hash_table_destroy (jit_icall_name_hash);
7274 g_free (emul_opcode_map);
7275 g_free (emul_opcode_opcodes);
7276 g_free (vtable_trampolines);
7278 mono_arch_cleanup ();
7280 mono_generic_sharing_cleanup ();
7284 mono_trace_cleanup ();
7286 mono_counters_dump (-1, stdout);
7288 if (mono_inject_async_exc_method)
7289 mono_method_desc_free (mono_inject_async_exc_method);
7291 mono_native_tls_free (mono_jit_tls_id);
7293 DeleteCriticalSection (&jit_mutex);
7295 DeleteCriticalSection (&mono_delegate_section);
7297 #ifdef USE_JUMP_TABLES
7298 mono_jumptable_cleanup ();
7303 mono_set_defaults (int verbose_level, guint32 opts)
7305 mini_verbose = verbose_level;
7306 mono_set_optimizations (opts);
7310 mono_disable_optimizations (guint32 opts)
7312 default_opt &= ~opts;
7316 mono_set_optimizations (guint32 opts)
7319 default_opt_set = TRUE;
7320 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7321 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7326 mono_set_verbose_level (guint32 level)
7328 mini_verbose = level;
7332 * mono_get_runtime_build_info:
7334 * Return the runtime version + build date in string format.
7335 * The returned string is owned by the caller. The returned string
7336 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7339 mono_get_runtime_build_info (void)
7341 if (mono_build_date)
7342 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7344 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7348 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7350 GHashTable *assemblies = (GHashTable*)user_data;
7351 MonoImage *image = mono_assembly_get_image (ass);
7352 MonoMethod *method, *invoke;
7355 if (g_hash_table_lookup (assemblies, ass))
7358 g_hash_table_insert (assemblies, ass, ass);
7360 if (mini_verbose > 0)
7361 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7363 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7364 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7365 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7369 if (mini_verbose > 1) {
7370 char * desc = mono_method_full_name (method, TRUE);
7371 g_print ("Compiling %d %s\n", count, desc);
7374 mono_compile_method (method);
7375 if (strcmp (method->name, "Finalize") == 0) {
7376 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7377 mono_compile_method (invoke);
7379 #ifndef DISABLE_REMOTING
7380 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
7381 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7382 mono_compile_method (invoke);
7387 /* Load and precompile referenced assemblies as well */
7388 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7389 mono_assembly_load_reference (image, i);
7390 if (image->references [i])
7391 mono_precompile_assembly (image->references [i], assemblies);
7395 void mono_precompile_assemblies ()
7397 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7399 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7401 g_hash_table_destroy (assemblies);
7407 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7408 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7412 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7414 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7415 hole->clause = clause;
7416 hole->start_offset = start - cfg->native_code;
7417 hole->basic_block = bb;
7419 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7423 mono_cfg_set_exception (MonoCompile *cfg, int type)
7425 cfg->exception_type = type;
7430 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
7432 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
7435 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7441 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7443 g_assert_not_reached ();
7448 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
7450 g_assert_not_reached ();
7455 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
7457 g_assert_not_reached ();
7463 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(MONOTOUCH) && !defined(MONO_EXTENSIONS)
7466 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7472 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7480 #ifdef USE_JUMP_TABLES
7481 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
7483 typedef struct MonoJumpTableChunk {
7486 struct MonoJumpTableChunk *previous;
7487 /* gpointer entries[total]; */
7488 } MonoJumpTableChunk;
7490 static MonoJumpTableChunk* g_jumptable = NULL;
7491 #define mono_jumptable_lock() EnterCriticalSection (&jumptable_mutex)
7492 #define mono_jumptable_unlock() LeaveCriticalSection (&jumptable_mutex)
7493 static CRITICAL_SECTION jumptable_mutex;
7495 static MonoJumpTableChunk*
7496 mono_create_jumptable_chunk (guint32 max_entries)
7498 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
7499 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
7500 chunk->total = max_entries;
7505 mono_jumptable_init (void)
7507 if (g_jumptable == NULL) {
7508 InitializeCriticalSection (&jumptable_mutex);
7509 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
7514 mono_jumptable_add_entry (void)
7516 return mono_jumptable_add_entries (1);
7520 mono_jumptable_add_entries (guint32 entries)
7525 mono_jumptable_init ();
7526 mono_jumptable_lock ();
7527 index = g_jumptable->active;
7528 if (index + entries >= g_jumptable->total) {
7530 * Grow jumptable, by adding one more chunk.
7531 * We cannot realloc jumptable, as there could be pointers
7532 * to existing jump table entries in the code, so instead
7533 * we just add one more chunk.
7535 guint32 max_entries = entries;
7536 MonoJumpTableChunk *new_chunk;
7538 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
7539 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
7540 new_chunk = mono_create_jumptable_chunk (max_entries);
7541 /* Link old jumptable, so that we could free it up later. */
7542 new_chunk->previous = g_jumptable;
7543 g_jumptable = new_chunk;
7546 g_jumptable->active = index + entries;
7547 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
7548 mono_jumptable_unlock();
7554 mono_jumptable_cleanup (void)
7557 MonoJumpTableChunk *current = g_jumptable, *prev;
7558 while (current != NULL) {
7559 prev = current->previous;
7564 DeleteCriticalSection (&jumptable_mutex);
7569 mono_jumptable_get_entry (guint8 *code_ptr)
7571 return mono_arch_jumptable_entry_from_code (code_ptr);