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-path.h>
58 #include <mono/utils/mono-tls.h>
59 #include <mono/utils/dtrace.h>
62 #include "mini-llvm.h"
69 #include "jit-icalls.h"
71 #include "debug-mini.h"
73 #include "debugger-agent.h"
75 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
78 static guint32 default_opt = 0;
79 static gboolean default_opt_set = FALSE;
81 MonoNativeTlsKey mono_jit_tls_id;
83 #ifdef MONO_HAVE_FAST_TLS
84 MONO_FAST_TLS_DECLARE(mono_jit_tls);
87 #ifndef MONO_ARCH_MONITOR_ENTER_ADJUSTMENT
88 #define MONO_ARCH_MONITOR_ENTER_ADJUSTMENT 1
91 MonoTraceSpec *mono_jit_trace_calls = NULL;
92 gboolean mono_compile_aot = FALSE;
93 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
94 gboolean mono_aot_only = FALSE;
95 /* Whenever to use IMT */
96 #ifdef MONO_ARCH_HAVE_IMT
97 gboolean mono_use_imt = TRUE;
99 gboolean mono_use_imt = FALSE;
101 MonoMethodDesc *mono_inject_async_exc_method = NULL;
102 int mono_inject_async_exc_pos;
103 MonoMethodDesc *mono_break_at_bb_method = NULL;
104 int mono_break_at_bb_bb_num;
105 gboolean mono_do_x86_stack_align = TRUE;
106 const char *mono_build_date;
107 gboolean mono_do_signal_chaining;
108 static gboolean mono_using_xdebug;
109 static int mini_verbose = 0;
112 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
113 * it can load AOT code compiled by LLVM.
115 gboolean mono_use_llvm = FALSE;
117 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
118 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
119 static CRITICAL_SECTION jit_mutex;
121 static MonoCodeManager *global_codeman = NULL;
123 static GHashTable *jit_icall_name_hash = NULL;
125 static MonoDebugOptions debug_options;
127 #ifdef VALGRIND_JIT_REGISTER_MAP
128 static int valgrind_register = 0;
132 * Table written to by the debugger with a 1-based index into the
133 * mono_breakpoint_info table, which contains changes made to
134 * the JIT instructions by the debugger.
137 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
139 /* Whenever to check for pending exceptions in managed-to-native wrappers */
140 gboolean check_for_pending_exc = TRUE;
142 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
143 gboolean disable_vtypes_in_regs = FALSE;
145 gboolean mono_dont_free_global_codeman;
148 mono_realloc_native_code (MonoCompile *cfg)
150 #if defined(__default_codegen__)
151 return g_realloc (cfg->native_code, cfg->code_size);
152 #elif defined(__native_client_codegen__)
154 gpointer native_code;
155 guint alignment_check;
157 /* Save the old alignment offset so we can re-align after the realloc. */
158 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
159 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
161 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
162 cfg->code_size + kNaClAlignment );
164 /* Align native_code to next nearest kNaClAlignment byte. */
165 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
166 native_code = (guint)native_code & ~kNaClAlignmentMask;
168 /* Shift the data to be 32-byte aligned again. */
169 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
171 alignment_check = (guint)native_code & kNaClAlignmentMask;
172 g_assert (alignment_check == 0);
175 g_assert_not_reached ();
176 return cfg->native_code;
180 #ifdef __native_client_codegen__
182 /* Prevent instructions from straddling a 32-byte alignment boundary. */
183 /* Instructions longer than 32 bytes must be aligned internally. */
184 /* IN: pcode, instlen */
186 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
189 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
191 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
192 g_assert_not_reached();
193 } else if (instlen > space_in_block) {
194 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
198 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
199 /* IN: start pointer to start of call sequence */
200 /* IN: pcode pointer to end of call sequence (current "IP") */
201 /* OUT: start pointer to the start of the call sequence after padding */
202 /* OUT: pcode pointer to the end of the call sequence after padding */
203 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
204 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
205 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
208 const size_t length = (size_t)((*pcode)-(*start));
209 g_assert(length < MAX_NACL_CALL_LENGTH);
211 memcpy(copy_of_call, *start, length);
212 temp = mono_nacl_pad_call(*start, (guint8)length);
213 memcpy(temp, copy_of_call, length);
215 (*pcode) = temp + length;
218 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
219 /* code pointer to buffer for emitting code */
220 /* ilength length of call instruction */
221 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
222 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
223 int padding = freeSpaceInBlock - ilength;
226 /* There isn't enough space in this block for the instruction. */
227 /* Fill this block and start a new one. */
228 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
229 freeSpaceInBlock = kNaClAlignment;
230 padding = freeSpaceInBlock - ilength;
232 g_assert(ilength > 0);
233 g_assert(padding >= 0);
234 g_assert(padding < kNaClAlignment);
235 if (0 == padding) return code;
236 return mono_arch_nacl_pad(code, padding);
239 guint8 *mono_nacl_align(guint8 *code) {
240 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
241 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
245 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
247 #ifndef USE_JUMP_TABLES
248 MonoJumpInfo *patch_info;
249 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
250 unsigned char *ip = patch_info->ip.i + code;
251 ip = mono_arch_nacl_skip_nops(ip);
252 patch_info->ip.i = ip - code;
256 #endif /* __native_client_codegen__ */
259 mono_running_on_valgrind (void)
261 if (RUNNING_ON_VALGRIND){
262 #ifdef VALGRIND_JIT_REGISTER_MAP
263 valgrind_register = TRUE;
271 MonoExceptionClause *clause;
272 MonoBasicBlock *basic_block;
282 find_tramp (gpointer key, gpointer value, gpointer user_data)
284 FindTrampUserData *ud = (FindTrampUserData*)user_data;
287 ud->method = (MonoMethod*)key;
291 G_GNUC_UNUSED static char*
292 get_method_from_ip (void *ip)
297 MonoDomain *domain = mono_domain_get ();
298 MonoDebugSourceLocation *location;
299 FindTrampUserData user_data;
302 domain = mono_get_root_domain ();
304 ji = mono_jit_info_table_find (domain, ip);
307 user_data.method = NULL;
308 mono_domain_lock (domain);
309 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
310 mono_domain_unlock (domain);
311 if (user_data.method) {
312 char *mname = mono_method_full_name (user_data.method, TRUE);
313 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
320 method = mono_method_full_name (ji->method, TRUE);
321 /* FIXME: unused ? */
322 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
324 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);
326 mono_debug_free_source_location (location);
334 * @ip: an instruction pointer address
336 * This method is used from a debugger to get the name of the
337 * method at address @ip. This routine is typically invoked from
338 * a debugger like this:
340 * (gdb) print mono_pmip ($pc)
342 * Returns: the name of the method at address @ip.
347 return get_method_from_ip (ip);
351 * mono_print_method_from_ip
352 * @ip: an instruction pointer address
354 * This method is used from a debugger to get the name of the
355 * method at address @ip.
357 * This prints the name of the method at address @ip in the standard
358 * output. Unlike mono_pmip which returns a string, this routine
359 * prints the value on the standard output.
362 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
363 __attribute__((used))
366 mono_print_method_from_ip (void *ip)
370 MonoDebugSourceLocation *source;
371 MonoDomain *domain = mono_domain_get ();
372 MonoDomain *target_domain = mono_domain_get ();
373 FindTrampUserData user_data;
374 MonoGenericSharingContext*gsctx;
375 const char *shared_type;
377 ji = mini_jit_info_table_find (domain, ip, &target_domain);
380 user_data.method = NULL;
381 mono_domain_lock (domain);
382 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
383 mono_domain_unlock (domain);
384 if (user_data.method) {
385 char *mname = mono_method_full_name (user_data.method, TRUE);
386 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
390 g_print ("No method at %p\n", ip);
394 method = mono_method_full_name (ji->method, TRUE);
395 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
397 gsctx = mono_jit_info_get_generic_sharing_context (ji);
400 if (gsctx->var_is_vt || gsctx->mvar_is_vt)
401 shared_type = "gsharedvt ";
403 shared_type = "gshared ";
406 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);
409 g_print ("%s:%d\n", source->source_file, source->row);
412 mono_debug_free_source_location (source);
417 * mono_method_same_domain:
419 * Determine whenever two compiled methods are in the same domain, thus
420 * the address of the callee can be embedded in the caller.
422 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
424 if (!caller || !callee)
428 * If the call was made from domain-neutral to domain-specific
429 * code, we can't patch the call site.
431 if (caller->domain_neutral && !callee->domain_neutral)
434 if ((caller->method->klass == mono_defaults.appdomain_class) &&
435 (strstr (caller->method->name, "InvokeInDomain"))) {
436 /* The InvokeInDomain methods change the current appdomain */
444 * mono_global_codeman_reserve:
446 * Allocate code memory from the global code manager.
448 void *mono_global_codeman_reserve (int size)
453 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
455 if (!global_codeman) {
456 /* This can happen during startup */
457 global_codeman = mono_code_manager_new ();
458 return mono_code_manager_reserve (global_codeman, size);
462 ptr = mono_code_manager_reserve (global_codeman, size);
468 #if defined(__native_client_codegen__) && defined(__native_client__)
472 #ifdef __native_client_gc__
473 __nacl_suspend_thread_if_needed();
477 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
478 * which we are generating code, return a pointer to the destination in the
479 * dynamic code segment into which the code will be copied when
480 * mono_global_codeman_commit is called.
481 * LOCKING: Acquires the jit lock.
484 nacl_global_codeman_get_dest (void *data)
488 dest = nacl_code_manager_get_code_dest (global_codeman, data);
494 mono_global_codeman_commit (void *data, int size, int newsize)
497 mono_code_manager_commit (global_codeman, data, size, newsize);
502 * Convenience function which calls mono_global_codeman_commit to validate and
503 * copy the code. The caller sets *buf_base and *buf_size to the start and size
504 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
505 * the byte after the last instruction byte. On return, *buf_base will point to
506 * the start of the copied in the code segment, and *code_end will point after
507 * the end of the copied code.
510 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
512 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
513 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
514 *code_end = tmp + (*code_end - *buf_base);
518 /* no-op versions of Native Client functions */
520 nacl_global_codeman_get_dest (void *data)
526 mono_global_codeman_commit (void *data, int size, int newsize)
531 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
535 #endif /* __native_client__ */
538 * mono_create_unwind_op:
540 * Create an unwind op with the given parameters.
543 mono_create_unwind_op (int when, int tag, int reg, int val)
545 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
556 * mono_emit_unwind_op:
558 * Add an unwind op with the given parameters for the list of unwind ops stored in
562 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
564 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
571 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
575 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
577 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
580 res->has_context = context != NULL;
582 memcpy (&res->context, context, sizeof (MonoGenericContext));
588 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
590 return mono_jump_info_token_new2 (mp, image, token, NULL);
594 * mono_tramp_info_create:
596 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
597 * of NAME, JI, and UNWIND_OPS.
600 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
602 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
604 info->name = (char*)name;
606 info->code_size = code_size;
608 info->unwind_ops = unwind_ops;
614 mono_tramp_info_free (MonoTrampInfo *info)
621 for (l = info->unwind_ops; l; l = l->next)
623 g_slist_free (info->unwind_ops);
627 G_GNUC_UNUSED static void
633 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
634 * Set a breakpoint in break_count () to break the last time <x> is done.
636 G_GNUC_UNUSED gboolean
637 mono_debug_count (void)
639 static int count = 0;
642 if (!getenv ("COUNT"))
645 if (count == atoi (getenv ("COUNT"))) {
649 if (count > atoi (getenv ("COUNT"))) {
656 #define MONO_INIT_VARINFO(vi,id) do { \
657 (vi)->range.first_use.pos.bid = 0xffff; \
663 * mono_unlink_bblock:
665 * Unlink two basic blocks.
668 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
674 for (i = 0; i < from->out_count; ++i) {
675 if (to == from->out_bb [i]) {
682 for (i = 0; i < from->out_count; ++i) {
683 if (from->out_bb [i] != to)
684 from->out_bb [pos ++] = from->out_bb [i];
686 g_assert (pos == from->out_count - 1);
691 for (i = 0; i < to->in_count; ++i) {
692 if (from == to->in_bb [i]) {
699 for (i = 0; i < to->in_count; ++i) {
700 if (to->in_bb [i] != from)
701 to->in_bb [pos ++] = to->in_bb [i];
703 g_assert (pos == to->in_count - 1);
709 * mono_bblocks_linked:
711 * Return whenever BB1 and BB2 are linked in the CFG.
714 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
718 for (i = 0; i < bb1->out_count; ++i) {
719 if (bb1->out_bb [i] == bb2)
727 mono_find_block_region_notry (MonoCompile *cfg, int offset)
729 MonoMethodHeader *header = cfg->header;
730 MonoExceptionClause *clause;
733 for (i = 0; i < header->num_clauses; ++i) {
734 clause = &header->clauses [i];
735 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
736 (offset < (clause->handler_offset)))
737 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
739 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
740 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
741 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
742 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
743 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
745 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
753 * mono_get_block_region_notry:
755 * Return the region corresponding to REGION, ignoring try clauses nested inside
759 mono_get_block_region_notry (MonoCompile *cfg, int region)
761 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
762 MonoMethodHeader *header = cfg->header;
765 * This can happen if a try clause is nested inside a finally clause.
767 int clause_index = (region >> 8) - 1;
768 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
770 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
777 mono_find_spvar_for_region (MonoCompile *cfg, int region)
779 region = mono_get_block_region_notry (cfg, region);
781 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
785 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
789 array [*dfn] = start;
790 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
791 for (i = 0; i < start->out_count; ++i) {
792 if (start->out_bb [i]->dfn)
795 start->out_bb [i]->dfn = *dfn;
796 start->out_bb [i]->df_parent = start;
797 array [*dfn] = start->out_bb [i];
798 df_visit (start->out_bb [i], dfn, array);
803 mono_reverse_branch_op (guint32 opcode)
805 static const int reverse_map [] = {
806 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
807 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
809 static const int reverse_fmap [] = {
810 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
811 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
813 static const int reverse_lmap [] = {
814 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
815 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
817 static const int reverse_imap [] = {
818 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
819 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
822 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
823 opcode = reverse_map [opcode - CEE_BEQ];
824 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
825 opcode = reverse_fmap [opcode - OP_FBEQ];
826 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
827 opcode = reverse_lmap [opcode - OP_LBEQ];
828 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
829 opcode = reverse_imap [opcode - OP_IBEQ];
831 g_assert_not_reached ();
837 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
840 return OP_STORE_MEMBASE_REG;
843 switch (type->type) {
846 case MONO_TYPE_BOOLEAN:
847 return OP_STOREI1_MEMBASE_REG;
851 return OP_STOREI2_MEMBASE_REG;
854 return OP_STOREI4_MEMBASE_REG;
858 case MONO_TYPE_FNPTR:
859 return OP_STORE_MEMBASE_REG;
860 case MONO_TYPE_CLASS:
861 case MONO_TYPE_STRING:
862 case MONO_TYPE_OBJECT:
863 case MONO_TYPE_SZARRAY:
864 case MONO_TYPE_ARRAY:
865 return OP_STORE_MEMBASE_REG;
868 return OP_STOREI8_MEMBASE_REG;
870 return OP_STORER4_MEMBASE_REG;
872 return OP_STORER8_MEMBASE_REG;
873 case MONO_TYPE_VALUETYPE:
874 if (type->data.klass->enumtype) {
875 type = mono_class_enum_basetype (type->data.klass);
878 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
879 return OP_STOREX_MEMBASE;
880 return OP_STOREV_MEMBASE;
881 case MONO_TYPE_TYPEDBYREF:
882 return OP_STOREV_MEMBASE;
883 case MONO_TYPE_GENERICINST:
884 type = &type->data.generic_class->container_class->byval_arg;
888 if (mini_type_var_is_vt (cfg, type))
889 return OP_STOREV_MEMBASE;
891 return OP_STORE_MEMBASE_REG;
893 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
899 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
902 return OP_LOAD_MEMBASE;
904 type = mono_type_get_underlying_type (type);
906 switch (type->type) {
908 return OP_LOADI1_MEMBASE;
910 case MONO_TYPE_BOOLEAN:
911 return OP_LOADU1_MEMBASE;
913 return OP_LOADI2_MEMBASE;
916 return OP_LOADU2_MEMBASE;
918 return OP_LOADI4_MEMBASE;
920 return OP_LOADU4_MEMBASE;
924 case MONO_TYPE_FNPTR:
925 return OP_LOAD_MEMBASE;
926 case MONO_TYPE_CLASS:
927 case MONO_TYPE_STRING:
928 case MONO_TYPE_OBJECT:
929 case MONO_TYPE_SZARRAY:
930 case MONO_TYPE_ARRAY:
931 return OP_LOAD_MEMBASE;
934 return OP_LOADI8_MEMBASE;
936 return OP_LOADR4_MEMBASE;
938 return OP_LOADR8_MEMBASE;
939 case MONO_TYPE_VALUETYPE:
940 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
941 return OP_LOADX_MEMBASE;
942 case MONO_TYPE_TYPEDBYREF:
943 return OP_LOADV_MEMBASE;
944 case MONO_TYPE_GENERICINST:
945 if (mono_type_generic_inst_is_valuetype (type))
946 return OP_LOADV_MEMBASE;
948 return OP_LOAD_MEMBASE;
952 g_assert (cfg->generic_sharing_context);
953 if (mini_type_var_is_vt (cfg, type))
954 return OP_LOADV_MEMBASE;
956 return OP_LOAD_MEMBASE;
958 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
964 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
966 if (cfg->generic_sharing_context && !type->byref) {
967 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
968 if (mini_type_var_is_vt (cfg, type))
971 return CEE_LDIND_REF;
974 return mono_type_to_ldind (type);
980 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
982 if (cfg->generic_sharing_context && !type->byref) {
983 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
984 if (mini_type_var_is_vt (cfg, type))
987 return CEE_STIND_REF;
990 return mono_type_to_stind (type);
994 mono_op_imm_to_op (int opcode)
998 #if SIZEOF_REGISTER == 4
1014 #if SIZEOF_REGISTER == 4
1020 #if SIZEOF_REGISTER == 4
1026 #if SIZEOF_REGISTER == 4
1051 case OP_ISHR_UN_IMM:
1053 case OP_LSHR_UN_IMM:
1057 case OP_IDIV_UN_IMM:
1059 case OP_IREM_UN_IMM:
1064 #if SIZEOF_REGISTER == 4
1070 #if SIZEOF_REGISTER == 4
1087 case OP_COMPARE_IMM:
1089 case OP_ICOMPARE_IMM:
1091 case OP_LOCALLOC_IMM:
1094 printf ("%s\n", mono_inst_name (opcode));
1095 g_assert_not_reached ();
1101 * mono_decompose_op_imm:
1103 * Replace the OP_.._IMM INS with its non IMM variant.
1106 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1110 MONO_INST_NEW (cfg, temp, OP_ICONST);
1111 temp->inst_c0 = ins->inst_imm;
1112 temp->dreg = mono_alloc_ireg (cfg);
1113 mono_bblock_insert_before_ins (bb, ins, temp);
1114 ins->opcode = mono_op_imm_to_op (ins->opcode);
1115 if (ins->opcode == OP_LOCALLOC)
1116 ins->sreg1 = temp->dreg;
1118 ins->sreg2 = temp->dreg;
1120 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1126 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1128 if (vreg >= cfg->vreg_to_inst_len) {
1129 MonoInst **tmp = cfg->vreg_to_inst;
1130 int size = cfg->vreg_to_inst_len;
1132 while (vreg >= cfg->vreg_to_inst_len)
1133 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1134 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1136 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1138 cfg->vreg_to_inst [vreg] = inst;
1141 #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)))
1142 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1147 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1155 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1158 int num = cfg->num_varinfo;
1161 if ((num + 1) >= cfg->varinfo_count) {
1162 int orig_count = cfg->varinfo_count;
1163 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1164 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1165 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1166 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1169 cfg->stat_allocate_var++;
1171 MONO_INST_NEW (cfg, inst, opcode);
1172 inst->inst_c0 = num;
1173 inst->inst_vtype = type;
1174 inst->klass = mono_class_from_mono_type (type);
1175 type_to_eval_stack_type (cfg, type, inst);
1176 /* if set to 1 the variable is native */
1177 inst->backend.is_pinvoke = 0;
1180 if (inst->klass->exception_type)
1181 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1183 if (cfg->compute_gc_maps) {
1185 mono_mark_vreg_as_mp (cfg, vreg);
1187 MonoType *t = mini_type_get_underlying_type (NULL, type);
1188 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1189 inst->flags |= MONO_INST_GC_TRACK;
1190 mono_mark_vreg_as_ref (cfg, vreg);
1195 cfg->varinfo [num] = inst;
1197 MONO_INIT_VARINFO (&cfg->vars [num], num);
1198 MONO_VARINFO (cfg, num)->vreg = vreg;
1201 set_vreg_to_inst (cfg, vreg, inst);
1203 #if SIZEOF_REGISTER == 4
1204 #ifdef MONO_ARCH_SOFT_FLOAT
1205 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1207 regpair = mono_type_is_long (type);
1217 * These two cannot be allocated using create_var_for_vreg since that would
1218 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1222 * Set flags to VOLATILE so SSA skips it.
1225 if (cfg->verbose_level >= 4) {
1226 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1229 #ifdef MONO_ARCH_SOFT_FLOAT
1230 if (cfg->opt & MONO_OPT_SSA) {
1231 if (mono_type_is_float (type))
1232 inst->flags = MONO_INST_VOLATILE;
1236 /* Allocate a dummy MonoInst for the first vreg */
1237 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1238 tree->dreg = inst->dreg + 1;
1239 if (cfg->opt & MONO_OPT_SSA)
1240 tree->flags = MONO_INST_VOLATILE;
1241 tree->inst_c0 = num;
1242 tree->type = STACK_I4;
1243 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1244 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1246 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1248 /* Allocate a dummy MonoInst for the second vreg */
1249 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1250 tree->dreg = inst->dreg + 2;
1251 if (cfg->opt & MONO_OPT_SSA)
1252 tree->flags = MONO_INST_VOLATILE;
1253 tree->inst_c0 = num;
1254 tree->type = STACK_I4;
1255 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1256 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1258 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1262 if (cfg->verbose_level > 2)
1263 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1268 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1272 if (mono_type_is_long (type))
1273 dreg = mono_alloc_dreg (cfg, STACK_I8);
1274 #ifdef MONO_ARCH_SOFT_FLOAT
1275 else if (mono_type_is_float (type))
1276 dreg = mono_alloc_dreg (cfg, STACK_R8);
1279 /* All the others are unified */
1280 dreg = mono_alloc_preg (cfg);
1282 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1286 * Transform a MonoInst into a load from the variable of index var_index.
1289 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1290 memset (dest, 0, sizeof (MonoInst));
1291 dest->inst_i0 = cfg->varinfo [var_index];
1292 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1293 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1294 dest->klass = dest->inst_i0->klass;
1300 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1302 if (vreg >= cfg->vreg_is_ref_len) {
1303 gboolean *tmp = cfg->vreg_is_ref;
1304 int size = cfg->vreg_is_ref_len;
1306 while (vreg >= cfg->vreg_is_ref_len)
1307 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1308 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1310 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1312 cfg->vreg_is_ref [vreg] = TRUE;
1316 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1318 if (vreg >= cfg->vreg_is_mp_len) {
1319 gboolean *tmp = cfg->vreg_is_mp;
1320 int size = cfg->vreg_is_mp_len;
1322 while (vreg >= cfg->vreg_is_mp_len)
1323 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1324 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1326 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1328 cfg->vreg_is_mp [vreg] = TRUE;
1332 type_from_stack_type (MonoInst *ins) {
1333 switch (ins->type) {
1334 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1335 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1336 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1337 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1340 * this if used to be commented without any specific reason, but
1341 * it breaks #80235 when commented
1344 return &ins->klass->this_arg;
1346 return &mono_defaults.object_class->this_arg;
1348 /* ins->klass may not be set for ldnull.
1349 * Also, if we have a boxed valuetype, we want an object lass,
1350 * not the valuetype class
1352 if (ins->klass && !ins->klass->valuetype)
1353 return &ins->klass->byval_arg;
1354 return &mono_defaults.object_class->byval_arg;
1355 case STACK_VTYPE: return &ins->klass->byval_arg;
1357 g_error ("stack type %d to montype not handled\n", ins->type);
1363 mono_type_from_stack_type (MonoInst *ins) {
1364 return type_from_stack_type (ins);
1368 * mono_add_ins_to_end:
1370 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1373 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1378 MONO_ADD_INS (bb, inst);
1382 switch (bb->last_ins->opcode) {
1396 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1399 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1400 /* Need to insert the ins before the compare */
1401 if (bb->code == bb->last_ins) {
1402 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1406 if (bb->code->next == bb->last_ins) {
1407 /* Only two instructions */
1408 opcode = bb->code->opcode;
1410 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)) {
1412 mono_bblock_insert_before_ins (bb, bb->code, inst);
1414 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1417 opcode = bb->last_ins->prev->opcode;
1419 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)) {
1421 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1423 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1428 MONO_ADD_INS (bb, inst);
1434 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1436 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1437 MonoJumpInfoBBTable *table;
1439 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1441 table->table_size = num_blocks;
1443 ji->ip.label = label;
1444 ji->type = MONO_PATCH_INFO_SWITCH;
1445 ji->data.table = table;
1446 ji->next = cfg->patch_info;
1447 cfg->patch_info = ji;
1450 static MonoMethodSignature *
1451 mono_get_array_new_va_signature (int arity)
1453 static GHashTable *sighash = NULL;
1454 MonoMethodSignature *res;
1459 sighash = g_hash_table_new (NULL, NULL);
1461 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1466 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1469 #ifdef MONO_ARCH_VARARG_ICALLS
1470 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1471 res->call_convention = MONO_CALL_VARARG;
1475 res->call_convention = MONO_CALL_C;
1478 res->params [0] = &mono_defaults.int_class->byval_arg;
1479 for (i = 0; i < arity; i++)
1480 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1482 res->ret = &mono_defaults.object_class->byval_arg;
1484 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1491 mono_get_array_new_va_icall (int rank)
1493 MonoMethodSignature *esig;
1494 char icall_name [256];
1496 MonoJitICallInfo *info;
1498 /* Need to register the icall so it gets an icall wrapper */
1499 sprintf (icall_name, "ves_array_new_va_%d", rank);
1502 info = mono_find_jit_icall_by_name (icall_name);
1504 esig = mono_get_array_new_va_signature (rank);
1505 name = g_strdup (icall_name);
1506 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1508 g_hash_table_insert (jit_icall_name_hash, name, name);
1516 mini_class_is_system_array (MonoClass *klass)
1518 if (klass->parent == mono_defaults.array_class)
1525 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1527 MonoAssembly *assembly = method->klass->image->assembly;
1528 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1530 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1532 if (mono_security_enabled ())
1534 return mono_assembly_has_skip_verification (assembly);
1538 * mini_method_verify:
1540 * Verify the method using the new verfier.
1542 * Returns true if the method is invalid.
1545 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1548 gboolean is_fulltrust;
1549 MonoLoaderError *error;
1551 if (method->verification_success)
1554 if (!mono_verifier_is_enabled_for_method (method))
1557 /*skip verification implies the assembly must be */
1558 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1560 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1562 if ((error = mono_loader_get_last_error ())) {
1564 cfg->exception_type = error->exception_type;
1566 mono_loader_clear_error ();
1568 mono_free_verify_list (res);
1573 for (tmp = res; tmp; tmp = tmp->next) {
1574 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1575 if (info->info.status == MONO_VERIFY_ERROR) {
1577 char *method_name = mono_method_full_name (method, TRUE);
1578 cfg->exception_type = info->exception_type;
1579 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1580 g_free (method_name);
1582 mono_free_verify_list (res);
1585 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1587 char *method_name = mono_method_full_name (method, TRUE);
1588 cfg->exception_type = info->exception_type;
1589 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1590 g_free (method_name);
1592 mono_free_verify_list (res);
1596 mono_free_verify_list (res);
1598 method->verification_success = 1;
1602 /*Returns true if something went wrong*/
1604 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1606 MonoMethod *method_definition = method;
1607 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1609 while (method_definition->is_inflated) {
1610 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1611 method_definition = imethod->declaring;
1614 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1617 static gconstpointer
1618 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1621 MonoMethod *wrapper;
1622 gconstpointer trampoline;
1623 MonoDomain *domain = mono_get_root_domain ();
1625 if (callinfo->wrapper) {
1626 return callinfo->wrapper;
1629 if (callinfo->trampoline)
1630 return callinfo->trampoline;
1633 * We use the lock on the root domain instead of the JIT lock to protect
1634 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1636 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1637 mono_domain_lock (domain);
1639 if (callinfo->trampoline) {
1640 mono_domain_unlock (domain);
1641 mono_loader_unlock ();
1642 return callinfo->trampoline;
1645 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1646 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1650 trampoline = mono_compile_method (wrapper);
1652 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1653 mono_register_jit_icall_wrapper (callinfo, trampoline);
1655 callinfo->trampoline = trampoline;
1657 mono_domain_unlock (domain);
1658 mono_loader_unlock ();
1660 return callinfo->trampoline;
1664 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1666 return mono_icall_get_wrapper_full (callinfo, FALSE);
1670 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1672 if (!domain_jit_info (domain)->dynamic_code_hash)
1673 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1674 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1677 static MonoJitDynamicMethodInfo*
1678 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1680 MonoJitDynamicMethodInfo *res;
1682 if (domain_jit_info (domain)->dynamic_code_hash)
1683 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1691 GList *active, *inactive;
1696 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1698 MonoMethodVar *v1 = (MonoMethodVar*)a;
1699 MonoMethodVar *v2 = (MonoMethodVar*)b;
1703 else if (v1->interval->range && v2->interval->range)
1704 return v1->interval->range->from - v2->interval->range->from;
1705 else if (v1->interval->range)
1714 #define LSCAN_DEBUG(a) do { a; } while (0)
1716 #define LSCAN_DEBUG(a)
1720 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1722 int i, slot, offset, size;
1727 GList *vars = NULL, *l, *unhandled;
1728 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1731 gboolean reuse_slot;
1733 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1735 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1736 vtype_stack_slots = NULL;
1739 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1740 for (i = 0; i < cfg->num_varinfo; ++i)
1743 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1744 inst = cfg->varinfo [i];
1745 vmv = MONO_VARINFO (cfg, i);
1747 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1750 vars = g_list_prepend (vars, vmv);
1753 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1758 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1759 MonoMethodVar *current = unhandled->data;
1761 if (current->interval->range) {
1762 g_assert (current->interval->range->from >= i);
1763 i = current->interval->range->from;
1770 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1771 MonoMethodVar *current = unhandled->data;
1774 inst = cfg->varinfo [vmv->idx];
1776 t = mono_type_get_underlying_type (inst->inst_vtype);
1777 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1778 t = mini_get_gsharedvt_alloc_type_for_type (cfg, t);
1780 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1781 * pinvoke wrappers when they call functions returning structures */
1782 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1783 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1788 size = mono_type_size (t, &ialign);
1791 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1796 if (cfg->disable_reuse_stack_slots)
1800 case MONO_TYPE_GENERICINST:
1801 if (!mono_type_generic_inst_is_valuetype (t)) {
1802 slot_info = &scalar_stack_slots [t->type];
1806 case MONO_TYPE_VALUETYPE:
1807 if (!vtype_stack_slots)
1808 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1809 for (i = 0; i < nvtypes; ++i)
1810 if (t->data.klass == vtype_stack_slots [i].vtype)
1813 slot_info = &vtype_stack_slots [i];
1815 g_assert (nvtypes < 256);
1816 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1817 slot_info = &vtype_stack_slots [nvtypes];
1820 if (cfg->disable_reuse_ref_stack_slots)
1827 #if SIZEOF_VOID_P == 4
1832 if (cfg->disable_ref_noref_stack_slot_share) {
1833 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1838 case MONO_TYPE_CLASS:
1839 case MONO_TYPE_OBJECT:
1840 case MONO_TYPE_ARRAY:
1841 case MONO_TYPE_SZARRAY:
1842 case MONO_TYPE_STRING:
1843 /* Share non-float stack slots of the same size */
1844 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1845 if (cfg->disable_reuse_ref_stack_slots)
1850 slot_info = &scalar_stack_slots [t->type];
1854 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1858 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1860 if (!current->interval->range) {
1861 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1865 inst->flags |= MONO_INST_IS_DEAD;
1870 pos = current->interval->range->from;
1872 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1873 if (current->interval->range)
1874 LSCAN_DEBUG (mono_linterval_print (current->interval));
1875 LSCAN_DEBUG (printf ("\n"));
1877 /* Check for intervals in active which expired or inactive */
1879 /* FIXME: Optimize this */
1882 for (l = slot_info->active; l != NULL; l = l->next) {
1883 MonoMethodVar *v = (MonoMethodVar*)l->data;
1885 if (v->interval->last_range->to < pos) {
1886 slot_info->active = g_list_delete_link (slot_info->active, l);
1887 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1888 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1892 else if (!mono_linterval_covers (v->interval, pos)) {
1893 slot_info->inactive = g_list_append (slot_info->inactive, v);
1894 slot_info->active = g_list_delete_link (slot_info->active, l);
1895 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1902 /* Check for intervals in inactive which expired or active */
1904 /* FIXME: Optimize this */
1907 for (l = slot_info->inactive; l != NULL; l = l->next) {
1908 MonoMethodVar *v = (MonoMethodVar*)l->data;
1910 if (v->interval->last_range->to < pos) {
1911 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1912 // FIXME: Enabling this seems to cause impossible to debug crashes
1913 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1914 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1918 else if (mono_linterval_covers (v->interval, pos)) {
1919 slot_info->active = g_list_append (slot_info->active, v);
1920 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1921 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1929 * This also handles the case when the variable is used in an
1930 * exception region, as liveness info is not computed there.
1933 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1936 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1937 if (slot_info->slots) {
1938 slot = GPOINTER_TO_INT (slot_info->slots->data);
1940 slot_info->slots = slot_info->slots->next;
1943 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1945 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1951 static int count = 0;
1954 if (count == atoi (getenv ("COUNT3")))
1955 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1956 if (count > atoi (getenv ("COUNT3")))
1959 mono_print_ins (inst);
1964 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1966 if (inst->flags & MONO_INST_LMF) {
1967 size = sizeof (MonoLMF);
1968 align = sizeof (mgreg_t);
1975 if (slot == 0xffffff) {
1977 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1978 * efficient copying (and to work around the fact that OP_MEMCPY
1979 * and OP_MEMSET ignores alignment).
1981 if (MONO_TYPE_ISSTRUCT (t)) {
1982 align = MAX (align, sizeof (gpointer));
1983 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1988 offset += align - 1;
1989 offset &= ~(align - 1);
1993 offset += align - 1;
1994 offset &= ~(align - 1);
1999 if (*stack_align == 0)
2000 *stack_align = align;
2003 offsets [vmv->idx] = slot;
2006 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2007 if (scalar_stack_slots [i].active)
2008 g_list_free (scalar_stack_slots [i].active);
2010 for (i = 0; i < nvtypes; ++i) {
2011 if (vtype_stack_slots [i].active)
2012 g_list_free (vtype_stack_slots [i].active);
2015 cfg->stat_locals_stack_size += offset;
2017 *stack_size = offset;
2022 * mono_allocate_stack_slots:
2024 * Allocate stack slots for all non register allocated variables using a
2025 * linear scan algorithm.
2026 * Returns: an array of stack offsets.
2027 * STACK_SIZE is set to the amount of stack space needed.
2028 * STACK_ALIGN is set to the alignment needed by the locals area.
2031 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2033 int i, slot, offset, size;
2038 GList *vars = NULL, *l;
2039 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2042 gboolean reuse_slot;
2044 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2045 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2047 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2048 vtype_stack_slots = NULL;
2051 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2052 for (i = 0; i < cfg->num_varinfo; ++i)
2055 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2056 inst = cfg->varinfo [i];
2057 vmv = MONO_VARINFO (cfg, i);
2059 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2062 vars = g_list_prepend (vars, vmv);
2065 vars = mono_varlist_sort (cfg, vars, 0);
2067 *stack_align = sizeof(mgreg_t);
2068 for (l = vars; l; l = l->next) {
2070 inst = cfg->varinfo [vmv->idx];
2072 t = mono_type_get_underlying_type (inst->inst_vtype);
2073 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2074 t = mini_get_gsharedvt_alloc_type_for_type (cfg, t);
2076 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2077 * pinvoke wrappers when they call functions returning structures */
2078 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2079 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2083 size = mono_type_size (t, &ialign);
2086 if (mono_class_from_mono_type (t)->exception_type)
2087 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2089 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2094 if (cfg->disable_reuse_stack_slots)
2098 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2101 case MONO_TYPE_GENERICINST:
2102 if (!mono_type_generic_inst_is_valuetype (t)) {
2103 slot_info = &scalar_stack_slots [t->type];
2107 case MONO_TYPE_VALUETYPE:
2108 if (!vtype_stack_slots)
2109 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2110 for (i = 0; i < nvtypes; ++i)
2111 if (t->data.klass == vtype_stack_slots [i].vtype)
2114 slot_info = &vtype_stack_slots [i];
2116 g_assert (nvtypes < 256);
2117 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2118 slot_info = &vtype_stack_slots [nvtypes];
2121 if (cfg->disable_reuse_ref_stack_slots)
2128 #if SIZEOF_VOID_P == 4
2133 if (cfg->disable_ref_noref_stack_slot_share) {
2134 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2139 case MONO_TYPE_CLASS:
2140 case MONO_TYPE_OBJECT:
2141 case MONO_TYPE_ARRAY:
2142 case MONO_TYPE_SZARRAY:
2143 case MONO_TYPE_STRING:
2144 /* Share non-float stack slots of the same size */
2145 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2146 if (cfg->disable_reuse_ref_stack_slots)
2150 case MONO_TYPE_MVAR:
2151 slot_info = &scalar_stack_slots [t->type];
2154 slot_info = &scalar_stack_slots [t->type];
2160 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2161 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2163 /* expire old intervals in active */
2164 while (slot_info->active) {
2165 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2167 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2170 //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);
2172 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2173 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2177 * This also handles the case when the variable is used in an
2178 * exception region, as liveness info is not computed there.
2181 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2184 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2185 if (slot_info->slots) {
2186 slot = GPOINTER_TO_INT (slot_info->slots->data);
2188 slot_info->slots = slot_info->slots->next;
2191 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2196 static int count = 0;
2200 if (count == atoi (getenv ("COUNT")))
2201 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2202 if (count > atoi (getenv ("COUNT")))
2205 mono_print_ins (inst);
2210 if (inst->flags & MONO_INST_LMF) {
2212 * This variable represents a MonoLMF structure, which has no corresponding
2213 * CLR type, so hard-code its size/alignment.
2215 size = sizeof (MonoLMF);
2216 align = sizeof (mgreg_t);
2223 if (slot == 0xffffff) {
2225 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2226 * efficient copying (and to work around the fact that OP_MEMCPY
2227 * and OP_MEMSET ignores alignment).
2229 if (MONO_TYPE_ISSTRUCT (t)) {
2230 align = MAX (align, sizeof (gpointer));
2231 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2233 * Align the size too so the code generated for passing vtypes in
2234 * registers doesn't overwrite random locals.
2236 size = (size + (align - 1)) & ~(align -1);
2241 offset += align - 1;
2242 offset &= ~(align - 1);
2246 offset += align - 1;
2247 offset &= ~(align - 1);
2252 *stack_align = MAX (*stack_align, align);
2255 offsets [vmv->idx] = slot;
2258 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2259 if (scalar_stack_slots [i].active)
2260 g_list_free (scalar_stack_slots [i].active);
2262 for (i = 0; i < nvtypes; ++i) {
2263 if (vtype_stack_slots [i].active)
2264 g_list_free (vtype_stack_slots [i].active);
2267 cfg->stat_locals_stack_size += offset;
2269 *stack_size = offset;
2276 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2278 g_assert_not_reached ();
2282 #endif /* DISABLE_JIT */
2284 #define EMUL_HIT_SHIFT 3
2285 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2286 /* small hit bitmap cache */
2287 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2288 static short emul_opcode_num = 0;
2289 static short emul_opcode_alloced = 0;
2290 static short *emul_opcode_opcodes = NULL;
2291 static MonoJitICallInfo **emul_opcode_map = NULL;
2294 mono_find_jit_opcode_emulation (int opcode)
2296 g_assert (opcode >= 0 && opcode <= OP_LAST);
2297 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2299 for (i = 0; i < emul_opcode_num; ++i) {
2300 if (emul_opcode_opcodes [i] == opcode)
2301 return emul_opcode_map [i];
2308 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
2310 MonoJitICallInfo *info;
2311 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2313 g_assert (!sig->hasthis);
2314 g_assert (sig->param_count < 3);
2316 info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol);
2318 if (emul_opcode_num >= emul_opcode_alloced) {
2319 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2320 emul_opcode_alloced += incr;
2321 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2322 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2324 emul_opcode_map [emul_opcode_num] = info;
2325 emul_opcode_opcodes [emul_opcode_num] = opcode;
2327 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2331 * For JIT icalls implemented in C.
2332 * NAME should be the same as the name of the C function whose address is FUNC.
2335 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2337 MonoMethodSignature *sig;
2340 sig = mono_create_icall_signature (sigstr);
2344 mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
2348 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2350 MonoMethodSignature *sig;
2353 sig = mono_create_icall_signature (sigstr);
2357 mono_register_jit_icall (func, name, sig, save);
2361 print_dfn (MonoCompile *cfg) {
2368 char *method_name = mono_method_full_name (cfg->method, TRUE);
2369 g_print ("IR code for method %s\n", method_name);
2370 g_free (method_name);
2373 for (i = 0; i < cfg->num_bblocks; ++i) {
2374 bb = cfg->bblocks [i];
2375 /*if (bb->cil_code) {
2376 char* code1, *code2;
2377 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2378 if (bb->last_ins->cil_code)
2379 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2381 code2 = g_strdup ("");
2383 code1 [strlen (code1) - 1] = 0;
2384 code = g_strdup_printf ("%s -> %s", code1, code2);
2388 code = g_strdup ("\n");
2389 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2390 MONO_BB_FOR_EACH_INS (bb, c) {
2391 mono_print_ins_index (-1, c);
2394 g_print ("\tprev:");
2395 for (j = 0; j < bb->in_count; ++j) {
2396 g_print (" BB%d", bb->in_bb [j]->block_num);
2398 g_print ("\t\tsucc:");
2399 for (j = 0; j < bb->out_count; ++j) {
2400 g_print (" BB%d", bb->out_bb [j]->block_num);
2402 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2405 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2408 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2410 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2418 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2420 MONO_ADD_INS (bb, inst);
2424 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2428 bb->code = ins_to_insert;
2430 /* Link with next */
2431 ins_to_insert->next = ins;
2433 ins->prev = ins_to_insert;
2435 if (bb->last_ins == NULL)
2436 bb->last_ins = ins_to_insert;
2438 /* Link with next */
2439 ins_to_insert->next = ins->next;
2441 ins->next->prev = ins_to_insert;
2443 /* Link with previous */
2444 ins->next = ins_to_insert;
2445 ins_to_insert->prev = ins;
2447 if (bb->last_ins == ins)
2448 bb->last_ins = ins_to_insert;
2453 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2458 ins->prev = ins_to_insert;
2459 bb->code = ins_to_insert;
2460 ins_to_insert->next = ins;
2461 if (bb->last_ins == NULL)
2462 bb->last_ins = ins_to_insert;
2464 /* Link with previous */
2466 ins->prev->next = ins_to_insert;
2467 ins_to_insert->prev = ins->prev;
2469 /* Link with next */
2470 ins->prev = ins_to_insert;
2471 ins_to_insert->next = ins;
2473 if (bb->code == ins)
2474 bb->code = ins_to_insert;
2479 * mono_verify_bblock:
2481 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2484 mono_verify_bblock (MonoBasicBlock *bb)
2486 MonoInst *ins, *prev;
2489 for (ins = bb->code; ins; ins = ins->next) {
2490 g_assert (ins->prev == prev);
2494 g_assert (!bb->last_ins->next);
2500 * Perform consistency checks on the JIT data structures and the IR
2503 mono_verify_cfg (MonoCompile *cfg)
2507 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2508 mono_verify_bblock (bb);
2512 mono_destroy_compile (MonoCompile *cfg)
2517 mono_metadata_free_mh (cfg->header);
2518 //mono_mempool_stats (cfg->mempool);
2519 mono_free_loop_info (cfg);
2521 mono_regstate_free (cfg->rs);
2523 g_hash_table_destroy (cfg->spvars);
2525 g_hash_table_destroy (cfg->exvars);
2526 for (l = cfg->headers_to_free; l; l = l->next)
2527 mono_metadata_free_mh (l->data);
2528 g_list_free (cfg->ldstr_list);
2529 g_hash_table_destroy (cfg->token_info_hash);
2530 if (cfg->abs_patches)
2531 g_hash_table_destroy (cfg->abs_patches);
2532 mono_mempool_destroy (cfg->mempool);
2534 mono_debug_free_method (cfg);
2536 g_free (cfg->varinfo);
2538 g_free (cfg->exception_message);
2542 #ifdef MONO_HAVE_FAST_TLS
2543 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2544 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2546 * When this is defined, the current lmf is stored in this tls variable instead of in
2549 MONO_FAST_TLS_DECLARE(mono_lmf);
2554 mono_get_jit_tls_key (void)
2556 return mono_jit_tls_id;
2560 mono_get_jit_tls_offset (void)
2563 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2568 mono_get_lmf_tls_offset (void)
2570 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2572 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2580 mono_get_lmf_addr_tls_offset (void)
2583 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2590 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2591 return MONO_FAST_TLS_GET (mono_lmf);
2593 MonoJitTlsData *jit_tls;
2595 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2596 return jit_tls->lmf;
2598 * We do not assert here because this function can be called from
2599 * mini-gc.c on a thread that has not executed any managed code, yet
2600 * (the thread object allocation can trigger a collection).
2607 mono_get_lmf_addr (void)
2609 #ifdef MONO_HAVE_FAST_TLS
2610 return MONO_FAST_TLS_GET (mono_lmf_addr);
2612 MonoJitTlsData *jit_tls;
2614 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2615 if (G_LIKELY (jit_tls))
2616 return &jit_tls->lmf;
2619 * When resolving the call to mono_jit_thread_attach full-aot will look
2620 * in the plt, which causes a call into the generic trampoline, which in turn
2621 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2622 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2623 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2626 mono_jit_thread_attach (NULL);
2628 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2629 return &jit_tls->lmf;
2631 g_assert_not_reached ();
2637 mono_set_lmf (MonoLMF *lmf)
2639 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2640 MONO_FAST_TLS_SET (mono_lmf, lmf);
2643 (*mono_get_lmf_addr ()) = lmf;
2647 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2649 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2651 #ifdef MONO_HAVE_FAST_TLS
2652 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2657 mono_set_lmf_addr (gpointer lmf_addr)
2659 #ifdef MONO_HAVE_FAST_TLS
2660 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2665 * mono_jit_thread_attach:
2667 * Called by native->managed wrappers. Returns the original domain which needs to be
2668 * restored, or NULL.
2671 mono_jit_thread_attach (MonoDomain *domain)
2677 * Happens when called from AOTed code which is only used in the root
2680 domain = mono_get_root_domain ();
2682 #ifdef MONO_HAVE_FAST_TLS
2683 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2684 mono_thread_attach (domain);
2686 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2689 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2690 mono_thread_attach (domain);
2691 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2694 orig = mono_domain_get ();
2696 mono_domain_set (domain, TRUE);
2698 return orig != domain ? orig : NULL;
2701 /* Called by native->managed wrappers */
2703 mono_jit_set_domain (MonoDomain *domain)
2706 mono_domain_set (domain, TRUE);
2710 * mono_thread_abort:
2711 * @obj: exception object
2713 * abort the thread, print exception information and stack trace
2716 mono_thread_abort (MonoObject *obj)
2718 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2720 /* handle_remove should be eventually called for this thread, too
2723 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2724 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2725 mono_thread_exit ();
2727 mono_invoke_unhandled_exception_hook (obj);
2732 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2734 MonoJitTlsData *jit_tls;
2737 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2741 jit_tls = g_new0 (MonoJitTlsData, 1);
2743 jit_tls->abort_func = abort_func;
2744 jit_tls->end_of_stack = stack_start;
2746 mono_set_jit_tls (jit_tls);
2748 lmf = g_new0 (MonoLMF, 1);
2749 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2751 jit_tls->first_lmf = lmf;
2753 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2754 /* jit_tls->lmf is unused */
2755 MONO_FAST_TLS_SET (mono_lmf, lmf);
2756 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2758 mono_set_lmf_addr (&jit_tls->lmf);
2763 #ifdef MONO_ARCH_HAVE_TLS_INIT
2764 mono_arch_tls_init ();
2767 mono_setup_altstack (jit_tls);
2773 free_jit_tls_data (MonoJitTlsData *jit_tls)
2775 mono_arch_free_jit_tls_data (jit_tls);
2776 mono_free_altstack (jit_tls);
2778 g_free (jit_tls->first_lmf);
2783 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2785 MonoInternalThread *thread;
2786 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2787 thread = mono_thread_internal_current ();
2788 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2790 thread->jit_data = jit_tls;
2792 mono_arch_cpu_init ();
2795 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2798 mono_thread_abort_dummy (MonoObject *obj)
2800 if (mono_thread_attach_aborted_cb)
2801 mono_thread_attach_aborted_cb (obj);
2803 mono_thread_abort (obj);
2807 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2809 MonoInternalThread *thread;
2810 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2811 thread = mono_thread_internal_current ();
2812 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2814 thread->jit_data = jit_tls;
2815 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2816 mono_runtime_setup_stat_profiler ();
2818 mono_arch_cpu_init ();
2822 mini_thread_cleanup (MonoInternalThread *thread)
2824 MonoJitTlsData *jit_tls = thread->jit_data;
2827 mono_debugger_thread_cleanup (jit_tls);
2829 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2830 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2831 * not a trivial thing.
2833 * The current offender is mono_thread_manage which cleanup threads from the outside.
2835 if (thread == mono_thread_internal_current ())
2836 mono_set_jit_tls (NULL);
2838 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2839 if (mono_get_lmf ()) {
2840 mono_set_lmf (NULL);
2841 mono_set_lmf_addr (NULL);
2844 free_jit_tls_data (jit_tls);
2846 thread->jit_data = NULL;
2851 mono_create_tls_get (MonoCompile *cfg, int offset)
2853 #ifdef MONO_ARCH_HAVE_TLS_GET
2854 if (MONO_ARCH_HAVE_TLS_GET) {
2860 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2861 ins->dreg = mono_alloc_preg (cfg);
2862 ins->inst_offset = offset;
2870 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2872 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2876 mono_get_domain_intrinsic (MonoCompile* cfg)
2878 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2882 mono_get_thread_intrinsic (MonoCompile* cfg)
2884 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2888 mono_get_lmf_intrinsic (MonoCompile* cfg)
2890 return mono_create_tls_get (cfg, mono_get_lmf_tls_offset ());
2894 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2896 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2900 ji->data.target = target;
2901 ji->next = cfg->patch_info;
2903 cfg->patch_info = ji;
2907 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2909 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2913 ji->data.target = target;
2920 mono_remove_patch_info (MonoCompile *cfg, int ip)
2922 MonoJumpInfo **ji = &cfg->patch_info;
2925 if ((*ji)->ip.i == ip)
2928 ji = &((*ji)->next);
2933 * mono_patch_info_dup_mp:
2935 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2938 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2940 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2941 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2943 switch (patch_info->type) {
2944 case MONO_PATCH_INFO_RVA:
2945 case MONO_PATCH_INFO_LDSTR:
2946 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2947 case MONO_PATCH_INFO_LDTOKEN:
2948 case MONO_PATCH_INFO_DECLSEC:
2949 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2950 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2952 case MONO_PATCH_INFO_SWITCH:
2953 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2954 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2955 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2956 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2958 case MONO_PATCH_INFO_RGCTX_FETCH:
2959 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2960 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2961 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2963 case MONO_PATCH_INFO_GSHAREDVT_CALL:
2964 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
2965 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
2975 mono_patch_info_hash (gconstpointer data)
2977 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2980 case MONO_PATCH_INFO_RVA:
2981 case MONO_PATCH_INFO_LDSTR:
2982 case MONO_PATCH_INFO_LDTOKEN:
2983 case MONO_PATCH_INFO_DECLSEC:
2984 return (ji->type << 8) | ji->data.token->token;
2985 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2986 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
2987 case MONO_PATCH_INFO_INTERNAL_METHOD:
2988 return (ji->type << 8) | g_str_hash (ji->data.name);
2989 case MONO_PATCH_INFO_VTABLE:
2990 case MONO_PATCH_INFO_CLASS:
2991 case MONO_PATCH_INFO_IID:
2992 case MONO_PATCH_INFO_ADJUSTED_IID:
2993 case MONO_PATCH_INFO_CLASS_INIT:
2994 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
2995 case MONO_PATCH_INFO_METHODCONST:
2996 case MONO_PATCH_INFO_METHOD:
2997 case MONO_PATCH_INFO_METHOD_JUMP:
2998 case MONO_PATCH_INFO_IMAGE:
2999 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3000 case MONO_PATCH_INFO_ICALL_ADDR:
3001 case MONO_PATCH_INFO_FIELD:
3002 case MONO_PATCH_INFO_SFLDA:
3003 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3004 case MONO_PATCH_INFO_METHOD_RGCTX:
3005 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3006 case MONO_PATCH_INFO_SIGNATURE:
3007 return (ji->type << 8) | (gssize)ji->data.target;
3008 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3009 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
3010 case MONO_PATCH_INFO_RGCTX_FETCH: {
3011 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
3013 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
3015 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3016 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
3017 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
3018 case MONO_PATCH_INFO_JIT_TLS_ID:
3019 case MONO_PATCH_INFO_MONITOR_ENTER:
3020 case MONO_PATCH_INFO_MONITOR_EXIT:
3021 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3022 return (ji->type << 8);
3023 case MONO_PATCH_INFO_SWITCH:
3024 return (ji->type << 8) | ji->data.table->table_size;
3026 printf ("info type: %d\n", ji->type);
3027 mono_print_ji (ji); printf ("\n");
3028 g_assert_not_reached ();
3034 * mono_patch_info_equal:
3036 * This might fail to recognize equivalent patches, i.e. floats, so its only
3037 * usable in those cases where this is not a problem, i.e. sharing GOT slots
3041 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
3043 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
3044 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
3046 if (ji1->type != ji2->type)
3049 switch (ji1->type) {
3050 case MONO_PATCH_INFO_RVA:
3051 case MONO_PATCH_INFO_LDSTR:
3052 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3053 case MONO_PATCH_INFO_LDTOKEN:
3054 case MONO_PATCH_INFO_DECLSEC:
3055 if ((ji1->data.token->image != ji2->data.token->image) ||
3056 (ji1->data.token->token != ji2->data.token->token) ||
3057 (ji1->data.token->has_context != ji2->data.token->has_context) ||
3058 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
3059 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
3062 case MONO_PATCH_INFO_INTERNAL_METHOD:
3063 return g_str_equal (ji1->data.name, ji2->data.name);
3064 case MONO_PATCH_INFO_RGCTX_FETCH: {
3065 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3066 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3068 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);
3070 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3071 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
3072 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
3074 return c1->sig == c2->sig && c1->method == c2->method;
3077 if (ji1->data.target != ji2->data.target)
3086 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3088 unsigned char *ip = patch_info->ip.i + code;
3089 gconstpointer target = NULL;
3091 switch (patch_info->type) {
3092 case MONO_PATCH_INFO_BB:
3094 * FIXME: This could be hit for methods without a prolog. Should use -1
3095 * but too much code depends on a 0 initial value.
3097 //g_assert (patch_info->data.bb->native_offset);
3098 target = patch_info->data.bb->native_offset + code;
3100 case MONO_PATCH_INFO_ABS:
3101 target = patch_info->data.target;
3103 case MONO_PATCH_INFO_LABEL:
3104 target = patch_info->data.inst->inst_c0 + code;
3106 case MONO_PATCH_INFO_IP:
3107 #if defined(__native_client__) && defined(__native_client_codegen__)
3108 /* Need to transform to the destination address, it's */
3109 /* emitted as an immediate in the code. */
3110 target = nacl_inverse_modify_patch_target(ip);
3115 case MONO_PATCH_INFO_METHOD_REL:
3116 target = code + patch_info->data.offset;
3118 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3119 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3121 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3122 g_assert_not_reached ();
3124 target = mono_icall_get_wrapper (mi);
3127 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3128 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3130 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3131 g_assert_not_reached ();
3136 case MONO_PATCH_INFO_METHOD_JUMP:
3137 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3138 #if defined(__native_client__) && defined(__native_client_codegen__)
3139 # if defined(TARGET_AMD64)
3140 /* This target is an absolute address, not relative to the */
3141 /* current code being emitted on AMD64. */
3142 target = nacl_inverse_modify_patch_target(target);
3146 case MONO_PATCH_INFO_METHOD:
3147 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
3149 * If we use jumptables, for recursive calls we cannot
3150 * avoid trampoline, as we not yet know where we will
3153 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3155 if (patch_info->data.method == method) {
3158 /* get the trampoline to the method from the domain */
3159 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3163 case MONO_PATCH_INFO_SWITCH: {
3164 gpointer *jump_table;
3166 #if defined(__native_client__) && defined(__native_client_codegen__)
3167 /* This memory will leak, but we don't care if we're */
3168 /* not deleting JIT'd methods anyway */
3169 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3171 if (method && method->dynamic) {
3172 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3174 if (mono_aot_only) {
3175 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3177 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3182 for (i = 0; i < patch_info->data.table->table_size; i++) {
3183 #if defined(__native_client__) && defined(__native_client_codegen__)
3184 /* 'code' is relative to the current code blob, we */
3185 /* need to do this transform on it to make the */
3186 /* pointers in this table absolute */
3187 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3189 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3193 #if defined(__native_client__) && defined(__native_client_codegen__)
3194 /* jump_table is in the data section, we need to transform */
3195 /* it here so when it gets modified in amd64_patch it will */
3196 /* then point back to the absolute data address */
3197 target = nacl_inverse_modify_patch_target (jump_table);
3199 target = jump_table;
3203 case MONO_PATCH_INFO_METHODCONST:
3204 case MONO_PATCH_INFO_CLASS:
3205 case MONO_PATCH_INFO_IMAGE:
3206 case MONO_PATCH_INFO_FIELD:
3207 case MONO_PATCH_INFO_SIGNATURE:
3208 target = patch_info->data.target;
3210 case MONO_PATCH_INFO_IID:
3211 mono_class_init (patch_info->data.klass);
3212 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3214 case MONO_PATCH_INFO_ADJUSTED_IID:
3215 mono_class_init (patch_info->data.klass);
3216 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3218 case MONO_PATCH_INFO_VTABLE:
3219 target = mono_class_vtable (domain, patch_info->data.klass);
3222 case MONO_PATCH_INFO_CLASS_INIT: {
3223 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3226 target = mono_create_class_init_trampoline (vtable);
3229 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3230 target = mono_create_delegate_trampoline (domain, patch_info->data.klass);
3232 case MONO_PATCH_INFO_SFLDA: {
3233 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3235 if (mono_class_field_is_special_static (patch_info->data.field)) {
3236 gpointer addr = NULL;
3238 mono_domain_lock (domain);
3239 if (domain->special_static_fields)
3240 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3241 mono_domain_unlock (domain);
3247 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3248 /* Done by the generated code */
3252 mono_runtime_class_init (vtable);
3254 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3257 case MONO_PATCH_INFO_RVA: {
3258 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3261 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3262 target = mono_image_rva_map (patch_info->data.token->image, rva);
3265 case MONO_PATCH_INFO_R4:
3266 case MONO_PATCH_INFO_R8:
3267 target = patch_info->data.target;
3269 case MONO_PATCH_INFO_EXC_NAME:
3270 target = patch_info->data.name;
3272 case MONO_PATCH_INFO_LDSTR:
3274 mono_ldstr (domain, patch_info->data.token->image,
3275 mono_metadata_token_index (patch_info->data.token->token));
3277 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3279 MonoClass *handle_class;
3281 handle = mono_ldtoken (patch_info->data.token->image,
3282 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3283 mono_class_init (handle_class);
3284 mono_class_init (mono_class_from_mono_type (handle));
3287 mono_type_get_object (domain, handle);
3290 case MONO_PATCH_INFO_LDTOKEN: {
3292 MonoClass *handle_class;
3294 handle = mono_ldtoken (patch_info->data.token->image,
3295 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3296 mono_class_init (handle_class);
3301 case MONO_PATCH_INFO_DECLSEC:
3302 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3304 case MONO_PATCH_INFO_ICALL_ADDR:
3305 /* run_cctors == 0 -> AOT */
3306 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3307 const char *exc_class;
3308 const char *exc_arg;
3311 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3314 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3315 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));
3321 target = mono_lookup_internal_call (patch_info->data.method);
3323 if (!target && run_cctors)
3324 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3327 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3328 target = mono_thread_interruption_request_flag ();
3330 case MONO_PATCH_INFO_METHOD_RGCTX: {
3331 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3334 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3337 case MONO_PATCH_INFO_BB_OVF:
3338 case MONO_PATCH_INFO_EXC_OVF:
3339 case MONO_PATCH_INFO_GOT_OFFSET:
3340 case MONO_PATCH_INFO_NONE:
3342 case MONO_PATCH_INFO_RGCTX_FETCH: {
3343 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3346 switch (entry->data->type) {
3347 case MONO_PATCH_INFO_CLASS:
3348 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));
3350 case MONO_PATCH_INFO_METHOD:
3351 case MONO_PATCH_INFO_METHODCONST:
3352 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));
3354 case MONO_PATCH_INFO_FIELD:
3355 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));
3357 case MONO_PATCH_INFO_SIGNATURE:
3358 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));
3360 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3361 MonoJumpInfoGSharedVtCall *call_info = mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
3363 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3364 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
3368 g_assert_not_reached ();
3372 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3375 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3376 target = mono_create_generic_class_init_trampoline ();
3378 case MONO_PATCH_INFO_MONITOR_ENTER:
3379 target = mono_create_monitor_enter_trampoline ();
3381 case MONO_PATCH_INFO_MONITOR_EXIT:
3382 target = mono_create_monitor_exit_trampoline ();
3384 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3385 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3387 /* AOT, not needed */
3390 target = mono_arch_get_seq_point_info (domain, code);
3393 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3394 #ifdef MONO_ARCH_LLVM_SUPPORTED
3395 g_assert (mono_use_llvm);
3396 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3398 g_assert_not_reached ();
3401 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3402 int card_table_shift_bits;
3403 gpointer card_table_mask;
3405 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3408 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3409 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3412 case MONO_PATCH_INFO_JIT_TLS_ID: {
3413 target = (gpointer) (size_t) mono_jit_tls_id;
3417 g_assert_not_reached ();
3420 return (gpointer)target;
3424 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3426 ins->inst_offset = native_offset;
3427 g_ptr_array_add (cfg->seq_points, ins);
3429 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3430 bb->last_seq_point = ins;
3435 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3437 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3440 g_assert (offset == 0);
3442 entry->is_reg = is_reg;
3444 entry->offset = offset;
3448 if (var == cfg->args [0])
3449 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3450 else if (var == cfg->rgctx_var)
3451 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3457 mono_compile_create_vars (MonoCompile *cfg)
3459 MonoMethodSignature *sig;
3460 MonoMethodHeader *header;
3463 header = cfg->header;
3465 sig = mono_method_signature (cfg->method);
3467 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3468 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3469 /* Inhibit optimizations */
3470 cfg->ret->flags |= MONO_INST_VOLATILE;
3472 if (cfg->verbose_level > 2)
3473 g_print ("creating vars\n");
3475 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3478 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3480 for (i = 0; i < sig->param_count; ++i) {
3481 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3484 if (cfg->verbose_level > 2) {
3486 printf ("\treturn : ");
3487 mono_print_ins (cfg->ret);
3491 printf ("\tthis: ");
3492 mono_print_ins (cfg->args [0]);
3495 for (i = 0; i < sig->param_count; ++i) {
3496 printf ("\targ [%d]: ", i);
3497 mono_print_ins (cfg->args [i + sig->hasthis]);
3501 cfg->locals_start = cfg->num_varinfo;
3502 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3504 if (cfg->verbose_level > 2)
3505 g_print ("creating locals\n");
3507 for (i = 0; i < header->num_locals; ++i)
3508 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3510 if (cfg->verbose_level > 2)
3511 g_print ("locals done\n");
3513 mono_arch_create_vars (cfg);
3517 mono_print_code (MonoCompile *cfg, const char* msg)
3521 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3522 mono_print_bb (bb, msg);
3526 mono_postprocess_patches (MonoCompile *cfg)
3528 MonoJumpInfo *patch_info;
3531 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3532 switch (patch_info->type) {
3533 case MONO_PATCH_INFO_ABS: {
3534 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3537 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3541 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3542 /* for these array methods we currently register the same function pointer
3543 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3544 * will return the incorrect one depending on the order they are registered.
3545 * See tests/test-arr.cs
3547 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3548 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3549 patch_info->data.name = info->name;
3553 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3554 if (cfg->abs_patches) {
3555 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3557 patch_info->type = abs_ji->type;
3558 patch_info->data.target = abs_ji->data.target;
3565 case MONO_PATCH_INFO_SWITCH: {
3567 #if defined(__native_client__) && defined(__native_client_codegen__)
3568 /* This memory will leak. */
3569 /* TODO: can we free this when */
3570 /* making the final jump table? */
3571 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3573 if (cfg->method->dynamic) {
3574 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3576 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3580 for (i = 0; i < patch_info->data.table->table_size; i++) {
3581 /* Might be NULL if the switch is eliminated */
3582 if (patch_info->data.table->table [i]) {
3583 g_assert (patch_info->data.table->table [i]->native_offset);
3584 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3589 patch_info->data.table->table = (MonoBasicBlock**)table;
3592 case MONO_PATCH_INFO_METHOD_JUMP: {
3593 MonoJumpList *jlist;
3594 MonoDomain *domain = cfg->domain;
3595 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3596 #if defined(__native_client__) && defined(__native_client_codegen__)
3597 /* When this jump target gets evaluated, the method */
3598 /* will be installed in the dynamic code section, */
3599 /* not at the location of cfg->native_code. */
3600 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3603 mono_domain_lock (domain);
3604 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3606 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3607 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3609 jlist->list = g_slist_prepend (jlist->list, ip);
3610 mono_domain_unlock (domain);
3621 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3624 MonoBasicBlock *in_bb;
3627 for (i = 0; i < bb->in_count; ++i) {
3628 in_bb = bb->in_bb [i];
3630 if (in_bb->last_seq_point) {
3631 int src_index = in_bb->last_seq_point->backend.size;
3632 int dst_index = ins->backend.size;
3634 /* bb->in_bb might contain duplicates */
3635 for (l = next [src_index]; l; l = l->next)
3636 if (GPOINTER_TO_UINT (l->data) == dst_index)
3639 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
3641 /* Have to look at its predecessors */
3643 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3649 mono_save_seq_point_info (MonoCompile *cfg)
3652 GSList *bb_seq_points, *l;
3654 MonoDomain *domain = cfg->domain;
3656 MonoSeqPointInfo *info;
3659 if (!cfg->seq_points)
3662 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3663 info->len = cfg->seq_points->len;
3664 for (i = 0; i < cfg->seq_points->len; ++i) {
3665 SeqPoint *sp = &info->seq_points [i];
3666 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3668 sp->il_offset = ins->inst_imm;
3669 sp->native_offset = ins->inst_offset;
3672 ins->backend.size = i;
3676 * For each sequence point, compute the list of sequence points immediately
3677 * following it, this is needed to implement 'step over' in the debugger agent.
3679 next = g_new0 (GSList*, cfg->seq_points->len);
3680 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3681 bb_seq_points = g_slist_reverse (bb->seq_points);
3683 for (l = bb_seq_points; l; l = l->next) {
3684 MonoInst *ins = l->data;
3686 if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
3687 /* Used to implement method entry/exit events */
3689 if (ins->inst_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE)
3693 /* Link with the previous seq point in the same bb */
3694 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3696 /* Link with the last bb in the previous bblocks */
3697 collect_pred_seq_points (bb, ins, next, 0);
3703 if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY) {
3704 MonoBasicBlock *bb2;
3705 MonoInst *endfinally_seq_point = NULL;
3708 * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
3710 l = g_slist_last (bb->seq_points);
3712 endfinally_seq_point = l->data;
3714 for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
3715 GSList *l = g_slist_last (bb2->seq_points);
3718 MonoInst *ins = l->data;
3720 if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
3721 next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3727 if (cfg->verbose_level > 2) {
3728 printf ("\nSEQ POINT MAP: \n");
3731 for (i = 0; i < cfg->seq_points->len; ++i) {
3732 SeqPoint *sp = &info->seq_points [i];
3736 sp->next_len = g_slist_length (next [i]);
3737 sp->next = g_new (int, sp->next_len);
3739 if (cfg->verbose_level > 2 && next [i]) {
3740 printf ("\tIL0x%x ->", sp->il_offset);
3741 for (l = next [i]; l; l = l->next) {
3742 next_index = GPOINTER_TO_UINT (l->data);
3743 printf (" IL0x%x", info->seq_points [next_index].il_offset);
3747 for (l = next [i]; l; l = l->next) {
3748 next_index = GPOINTER_TO_UINT (l->data);
3749 sp->next [j ++] = next_index;
3751 g_slist_free (next [i]);
3755 cfg->seq_point_info = info;
3757 // FIXME: dynamic methods
3758 if (!cfg->compile_aot) {
3759 mono_domain_lock (domain);
3760 // FIXME: How can the lookup succeed ?
3761 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3762 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3763 mono_domain_unlock (domain);
3766 g_ptr_array_free (cfg->seq_points, TRUE);
3767 cfg->seq_points = NULL;
3771 mono_codegen (MonoCompile *cfg)
3774 int max_epilog_size;
3776 MonoDomain *code_domain;
3778 if (mono_using_xdebug)
3780 * Recent gdb versions have trouble processing symbol files containing
3781 * overlapping address ranges, so allocate all code from the code manager
3782 * of the root domain. (#666152).
3784 code_domain = mono_get_root_domain ();
3786 code_domain = cfg->domain;
3788 #if defined(__native_client_codegen__) && defined(__native_client__)
3791 /* This keeps patch targets from being transformed during
3792 * ordinary method compilation, for local branches and jumps.
3794 nacl_allow_target_modification (FALSE);
3797 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3798 cfg->spill_count = 0;
3799 /* we reuse dfn here */
3800 /* bb->dfn = bb_count++; */
3802 mono_arch_lowering_pass (cfg, bb);
3804 if (cfg->opt & MONO_OPT_PEEPHOLE)
3805 mono_arch_peephole_pass_1 (cfg, bb);
3808 mono_local_regalloc (cfg, bb);
3810 if (cfg->opt & MONO_OPT_PEEPHOLE)
3811 mono_arch_peephole_pass_2 (cfg, bb);
3814 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3815 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3817 code = mono_arch_emit_prolog (cfg);
3819 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3820 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3822 cfg->code_len = code - cfg->native_code;
3823 cfg->prolog_end = cfg->code_len;
3825 mono_debug_open_method (cfg);
3827 /* emit code all basic blocks */
3828 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3829 bb->native_offset = cfg->code_len;
3830 bb->real_native_offset = cfg->code_len;
3831 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3832 mono_arch_output_basic_block (cfg, bb);
3833 bb->native_length = cfg->code_len - bb->native_offset;
3835 if (bb == cfg->bb_exit) {
3836 cfg->epilog_begin = cfg->code_len;
3838 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3839 code = cfg->native_code + cfg->code_len;
3840 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3841 cfg->code_len = code - cfg->native_code;
3842 g_assert (cfg->code_len < cfg->code_size);
3845 mono_arch_emit_epilog (cfg);
3849 #ifdef __native_client_codegen__
3850 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3852 mono_arch_emit_exceptions (cfg);
3854 max_epilog_size = 0;
3856 /* we always allocate code in cfg->domain->code_mp to increase locality */
3857 cfg->code_size = cfg->code_len + max_epilog_size;
3858 #ifdef __native_client_codegen__
3859 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
3861 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3863 if (cfg->method->dynamic) {
3864 guint unwindlen = 0;
3865 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3866 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3868 /* Allocate the code into a separate memory pool so it can be freed */
3869 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3870 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3871 mono_domain_lock (cfg->domain);
3872 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3873 mono_domain_unlock (cfg->domain);
3875 if (mono_using_xdebug)
3876 /* See the comment for cfg->code_domain */
3877 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3879 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3881 guint unwindlen = 0;
3882 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3883 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3885 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3887 #if defined(__native_client_codegen__) && defined(__native_client__)
3888 nacl_allow_target_modification (TRUE);
3892 memcpy (code, cfg->native_code, cfg->code_len);
3893 #if defined(__default_codegen__)
3894 g_free (cfg->native_code);
3895 #elif defined(__native_client_codegen__)
3896 if (cfg->native_code_alloc) {
3897 g_free (cfg->native_code_alloc);
3898 cfg->native_code_alloc = 0;
3900 else if (cfg->native_code) {
3901 g_free (cfg->native_code);
3903 #endif /* __native_client_codegen__ */
3904 cfg->native_code = code;
3905 code = cfg->native_code + cfg->code_len;
3907 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3908 mono_postprocess_patches (cfg);
3910 #ifdef VALGRIND_JIT_REGISTER_MAP
3911 if (valgrind_register){
3912 char* nm = mono_method_full_name (cfg->method, TRUE);
3913 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3918 if (cfg->verbose_level > 0) {
3919 char* nm = mono_method_full_name (cfg->method, TRUE);
3920 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3922 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3927 gboolean is_generic = FALSE;
3929 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3930 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3934 if (cfg->generic_sharing_context)
3935 g_assert (is_generic);
3938 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3939 mono_arch_save_unwind_info (cfg);
3942 #if defined(__native_client_codegen__) && defined(__native_client__)
3943 if (!cfg->compile_aot) {
3944 if (cfg->method->dynamic) {
3945 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
3947 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
3952 #if defined(__native_client_codegen__)
3953 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3956 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);
3958 if (cfg->method->dynamic) {
3959 if (mono_using_xdebug)
3960 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3962 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3964 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3966 #if defined(__native_client_codegen__) && defined(__native_client__)
3967 cfg->native_code = code_dest;
3969 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3971 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3973 mono_debug_close_method (cfg);
3975 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3976 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3981 compute_reachable (MonoBasicBlock *bb)
3985 if (!(bb->flags & BB_VISITED)) {
3986 bb->flags |= BB_VISITED;
3987 for (i = 0; i < bb->out_count; ++i)
3988 compute_reachable (bb->out_bb [i]);
3993 mono_handle_out_of_line_bblock (MonoCompile *cfg)
3996 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3997 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
3999 MONO_INST_NEW (cfg, ins, OP_BR);
4000 MONO_ADD_INS (bb, ins);
4001 ins->inst_target_bb = bb->next_bb;
4006 #endif /* #ifndef DISABLE_JIT */
4009 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
4011 MonoDomain *domain = mono_get_root_domain ();
4016 if (info->uw_info) {
4017 uw_info = info->uw_info;
4018 info_len = info->uw_info_len;
4020 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4023 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4024 jinfo->method = wrapper;
4025 jinfo->code_start = info->code;
4026 jinfo->code_size = info->code_size;
4027 jinfo->used_regs = mono_cache_unwind_info (uw_info, info_len);
4035 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
4038 MonoMethodHeader *header;
4041 int generic_info_size, arch_eh_info_size = 0;
4042 int holes_size = 0, num_holes = 0, cas_size = 0;
4043 guint32 stack_size = 0;
4045 g_assert (method_to_compile == cfg->method);
4046 header = cfg->header;
4048 if (cfg->generic_sharing_context)
4049 generic_info_size = sizeof (MonoGenericJitInfo);
4051 generic_info_size = 0;
4053 if (cfg->arch_eh_jit_info) {
4054 MonoJitArgumentInfo *arg_info;
4055 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
4058 * This cannot be computed during stack walking, as
4059 * mono_arch_get_argument_info () is not signal safe.
4061 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
4062 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
4065 arch_eh_info_size = sizeof (MonoArchEHJitInfo);
4068 if (cfg->try_block_holes) {
4069 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4070 TryBlockHole *hole = tmp->data;
4071 MonoExceptionClause *ec = hole->clause;
4072 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
4073 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4074 g_assert (clause_last_bb);
4076 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4077 if (clause_last_bb->native_offset != hole_end)
4081 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
4082 if (G_UNLIKELY (cfg->verbose_level >= 4))
4083 printf ("Number of try block holes %d\n", num_holes);
4086 if (mono_security_method_has_declsec (cfg->method_to_register)) {
4087 cas_size = sizeof (MonoMethodCasInfo);
4090 if (COMPILE_LLVM (cfg))
4091 num_clauses = cfg->llvm_ex_info_len;
4093 num_clauses = header->num_clauses;
4095 if (cfg->method->dynamic) {
4096 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
4097 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4099 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
4100 (num_clauses * sizeof (MonoJitExceptionInfo)) +
4101 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4104 jinfo->method = cfg->method_to_register;
4105 jinfo->code_start = cfg->native_code;
4106 jinfo->code_size = cfg->code_len;
4107 jinfo->used_regs = cfg->used_int_regs;
4108 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4109 jinfo->num_clauses = num_clauses;
4111 if (COMPILE_LLVM (cfg))
4112 jinfo->from_llvm = TRUE;
4114 if (cfg->generic_sharing_context) {
4116 MonoGenericJitInfo *gi;
4117 GSList *loclist = NULL;
4119 jinfo->has_generic_jit_info = 1;
4121 gi = mono_jit_info_get_generic_jit_info (jinfo);
4124 if (cfg->method->dynamic)
4125 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4127 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4128 memcpy (gi->generic_sharing_context, cfg->generic_sharing_context, sizeof (MonoGenericSharingContext));
4130 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4131 mini_method_get_context (method_to_compile)->method_inst ||
4132 method_to_compile->klass->valuetype) {
4133 g_assert (cfg->rgctx_var);
4138 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4139 mini_method_get_context (method_to_compile)->method_inst ||
4140 method_to_compile->klass->valuetype) {
4141 inst = cfg->rgctx_var;
4142 if (!COMPILE_LLVM (cfg))
4143 g_assert (inst->opcode == OP_REGOFFSET);
4144 loclist = cfg->rgctx_loclist;
4146 inst = cfg->args [0];
4147 loclist = cfg->this_loclist;
4151 /* Needed to handle async exceptions */
4155 gi->nlocs = g_slist_length (loclist);
4156 if (cfg->method->dynamic)
4157 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4159 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4161 for (l = loclist; l; l = l->next) {
4162 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4167 if (COMPILE_LLVM (cfg)) {
4168 g_assert (cfg->llvm_this_reg != -1);
4169 gi->this_in_reg = 0;
4170 gi->this_reg = cfg->llvm_this_reg;
4171 gi->this_offset = cfg->llvm_this_offset;
4172 } else if (inst->opcode == OP_REGVAR) {
4173 gi->this_in_reg = 1;
4174 gi->this_reg = inst->dreg;
4176 g_assert (inst->opcode == OP_REGOFFSET);
4178 g_assert (inst->inst_basereg == X86_EBP);
4179 #elif defined(TARGET_AMD64)
4180 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4182 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4184 gi->this_in_reg = 0;
4185 gi->this_reg = inst->inst_basereg;
4186 gi->this_offset = inst->inst_offset;
4191 MonoTryBlockHoleTableJitInfo *table;
4194 jinfo->has_try_block_holes = 1;
4195 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4196 table->num_holes = (guint16)num_holes;
4198 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4199 guint32 start_bb_offset;
4200 MonoTryBlockHoleJitInfo *hole;
4201 TryBlockHole *hole_data = tmp->data;
4202 MonoExceptionClause *ec = hole_data->clause;
4203 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4204 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4205 g_assert (clause_last_bb);
4207 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4208 if (clause_last_bb->native_offset == hole_end)
4211 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4212 hole = &table->holes [i++];
4213 hole->clause = hole_data->clause - &header->clauses [0];
4214 hole->offset = (guint32)hole_data->start_offset;
4215 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4217 if (G_UNLIKELY (cfg->verbose_level >= 4))
4218 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4220 g_assert (i == num_holes);
4223 if (arch_eh_info_size) {
4224 MonoArchEHJitInfo *info;
4226 jinfo->has_arch_eh_info = 1;
4227 info = mono_jit_info_get_arch_eh_info (jinfo);
4229 info->stack_size = stack_size;
4233 jinfo->has_cas_info = 1;
4236 if (COMPILE_LLVM (cfg)) {
4238 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4239 } else if (header->num_clauses) {
4242 for (i = 0; i < header->num_clauses; i++) {
4243 MonoExceptionClause *ec = &header->clauses [i];
4244 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4245 MonoBasicBlock *tblock;
4248 ei->flags = ec->flags;
4250 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4251 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4253 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4254 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4256 ei->data.filter = cfg->native_code + tblock->native_offset;
4258 ei->data.catch_class = ec->data.catch_class;
4261 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4263 g_assert (tblock->native_offset);
4264 ei->try_start = cfg->native_code + tblock->native_offset;
4265 if (tblock->extend_try_block) {
4267 * Extend the try block backwards to include parts of the previous call
4270 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4272 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4274 if (!tblock->native_offset) {
4276 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4277 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4278 if (bb && bb->native_offset) {
4284 ei->try_end = cfg->native_code + tblock->native_offset;
4285 g_assert (tblock->native_offset);
4286 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4288 ei->handler_start = cfg->native_code + tblock->native_offset;
4290 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4291 TryBlockHole *hole = tmp->data;
4292 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4293 if (hole->clause == ec && hole_end == ei->try_end) {
4294 if (G_UNLIKELY (cfg->verbose_level >= 4))
4295 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4297 ei->try_end = cfg->native_code + hole->start_offset;
4302 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4304 if (ec->handler_offset + ec->handler_len < header->code_size) {
4305 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4307 end_offset = tblock->native_offset;
4309 end_offset = cfg->epilog_begin;
4311 ei->data.handler_end = cfg->native_code + end_offset;
4316 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4318 for (i = 0; i < jinfo->num_clauses; i++) {
4319 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4320 int start = (guint8*)ei->try_start - cfg->native_code;
4321 int end = (guint8*)ei->try_end - cfg->native_code;
4322 int handler = (guint8*)ei->handler_start - cfg->native_code;
4324 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
4329 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4330 * using it during runtime, hence the define.
4332 #ifdef MONO_ARCH_HAVE_XP_UNWIND
4333 if (cfg->encoded_unwind_ops) {
4334 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4335 g_free (cfg->encoded_unwind_ops);
4336 } else if (cfg->unwind_ops) {
4338 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4340 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4341 g_free (unwind_info);
4350 get_gsharedvt_type (MonoType *t)
4352 MonoGenericParam *par = t->data.generic_param;
4356 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4357 * a different instantiation.
4359 g_assert (mono_generic_param_info (par));
4360 par = g_memdup (par, sizeof (MonoGenericParamFull));
4363 par->image = mono_defaults.corlib;
4365 res = mono_metadata_type_dup (NULL, t);
4366 res->data.generic_param = par;
4372 is_gsharedvt_type (MonoType *t)
4374 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4377 /* Return whenever METHOD is a gsharedvt method */
4379 is_gsharedvt_method (MonoMethod *method)
4381 MonoGenericContext *context;
4382 MonoGenericInst *inst;
4385 if (!method->is_inflated)
4387 context = mono_method_get_context (method);
4388 inst = context->class_inst;
4390 for (i = 0; i < inst->type_argc; ++i)
4391 if (is_gsharedvt_type (inst->type_argv [i]))
4394 inst = context->method_inst;
4396 for (i = 0; i < inst->type_argc; ++i)
4397 if (is_gsharedvt_type (inst->type_argv [i]))
4404 is_open_method (MonoMethod *method)
4406 MonoGenericContext *context;
4408 if (!method->is_inflated)
4410 context = mono_method_get_context (method);
4411 if (context->class_inst && context->class_inst->is_open)
4413 if (context->method_inst && context->method_inst->is_open)
4419 has_ref_constraint (MonoGenericParamInfo *info)
4421 MonoClass **constraints;
4425 if (info && info->constraints) {
4426 constraints = info->constraints;
4428 while (*constraints) {
4429 MonoClass *cklass = *constraints;
4430 if (!(cklass == mono_defaults.object_class || (cklass->image == mono_defaults.corlib && !strcmp (cklass->name, "ValueType")) || MONO_CLASS_IS_INTERFACE (cklass)))
4438 static MonoGenericInst*
4439 get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
4441 MonoGenericInst *res;
4442 MonoType **type_argv;
4445 type_argv = g_new0 (MonoType*, inst->type_argc);
4446 for (i = 0; i < inst->type_argc; ++i) {
4447 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)) {
4448 type_argv [i] = shared_inst->type_argv [i];
4449 } else if (all_vt) {
4450 if (container && has_ref_constraint (&container->type_params [i].info))
4451 type_argv [i] = shared_inst->type_argv [i];
4453 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4454 } else if (gsharedvt) {
4455 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4457 type_argv [i] = inst->type_argv [i];
4461 res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4467 * mini_get_shared_method_full:
4469 * Return the method which is actually compiled/registered when doing generic sharing.
4470 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4471 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4472 * METHOD can be a non-inflated generic method.
4475 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4477 MonoGenericContext shared_context;
4478 MonoMethod *declaring_method, *res;
4479 gboolean partial = FALSE;
4480 gboolean gsharedvt = FALSE;
4481 MonoGenericContainer *class_container, *method_container = NULL;
4483 if (method->is_generic || (method->klass->generic_container && !method->is_inflated)) {
4484 declaring_method = method;
4486 declaring_method = mono_method_get_declaring_generic_method (method);
4489 if (declaring_method->is_generic)
4490 shared_context = mono_method_get_generic_container (declaring_method)->context;
4492 shared_context = declaring_method->klass->generic_container->context;
4494 /* Handle gsharedvt/partial sharing */
4495 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE)) ||
4496 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4497 MonoGenericContext *context = mono_method_get_context (method);
4498 MonoGenericInst *inst;
4500 partial = mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE);
4502 gsharedvt = is_gsharedvt || (!partial && mini_is_gsharedvt_sharable_method (method));
4504 class_container = declaring_method->klass->generic_container;
4505 method_container = mono_method_get_generic_container (declaring_method);
4508 * Create the shared context by replacing the ref type arguments with
4509 * type parameters, and keeping the rest.
4512 inst = context->class_inst;
4514 inst = shared_context.class_inst;
4516 shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
4519 inst = context->method_inst;
4521 inst = shared_context.method_inst;
4523 shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
4528 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4530 /* The result should be an inflated method whose parent is not inflated */
4531 g_assert (!res->klass->is_inflated);
4537 mini_get_shared_method (MonoMethod *method)
4539 return mini_get_shared_method_full (method, FALSE, FALSE);
4543 mini_init_gsctx (MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4545 MonoGenericInst *inst;
4548 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4550 if (context->class_inst) {
4551 inst = context->class_inst;
4552 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4554 for (i = 0; i < inst->type_argc; ++i) {
4555 MonoType *type = inst->type_argv [i];
4557 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4558 gsctx->var_is_vt [i] = TRUE;
4561 if (context->method_inst) {
4562 inst = context->method_inst;
4563 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4565 for (i = 0; i < inst->type_argc; ++i) {
4566 MonoType *type = inst->type_argv [i];
4568 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4569 gsctx->mvar_is_vt [i] = TRUE;
4576 * mini_method_compile:
4577 * @method: the method to compile
4578 * @opts: the optimization flags to use
4579 * @domain: the domain where the method will be compiled in
4580 * @run_cctors: whether we should run type ctors if possible
4581 * @compile_aot: whether this is an AOT compilation
4582 * @parts: debug flag
4584 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4585 * field in the returned struct to see if compilation succeded.
4588 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4590 MonoMethodHeader *header;
4591 MonoMethodSignature *sig;
4595 int dfn, i, code_size_ratio;
4596 gboolean deadce_has_run = FALSE;
4597 gboolean try_generic_shared, try_llvm = FALSE;
4598 MonoMethod *method_to_compile, *method_to_register;
4599 gboolean method_is_gshared = FALSE;
4601 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4602 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4603 mono_profiler_method_jit (method);
4604 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4605 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4609 * We might get passed the original generic method definition or
4610 * instances with type parameters.
4611 * FIXME: Remove the method->klass->generic_class limitation.
4613 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4614 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_full (method, TRUE, FALSE, FALSE)));
4616 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4617 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE);
4619 if (opts & MONO_OPT_GSHARED) {
4620 if (try_generic_shared)
4621 mono_stats.generics_sharable_methods++;
4622 else if (mono_method_is_generic_impl (method))
4623 mono_stats.generics_unsharable_methods++;
4626 if (mini_is_gsharedvt_sharable_method (method)) {
4627 if (!mono_debug_count ())
4628 try_generic_shared = FALSE;
4630 try_generic_shared = FALSE;
4633 if (is_gsharedvt_method (method) || (compile_aot && is_open_method (method))) {
4634 /* We are AOTing a gshared method directly */
4635 method_is_gshared = TRUE;
4636 g_assert (compile_aot);
4637 try_generic_shared = TRUE;
4641 try_llvm = mono_use_llvm;
4645 if (method_is_gshared) {
4646 method_to_compile = method;
4648 if (try_generic_shared) {
4649 method_to_compile = mini_get_shared_method (method);
4650 g_assert (method_to_compile);
4652 method_to_compile = method;
4656 cfg = g_new0 (MonoCompile, 1);
4657 cfg->method = method_to_compile;
4658 cfg->header = mono_method_get_header (cfg->method);
4659 cfg->mempool = mono_mempool_new ();
4661 cfg->prof_options = mono_profiler_get_events ();
4662 cfg->run_cctors = run_cctors;
4663 cfg->domain = domain;
4664 cfg->verbose_level = mini_verbose;
4665 cfg->compile_aot = compile_aot;
4666 cfg->skip_visibility = method->skip_visibility;
4667 cfg->orig_method = method;
4668 cfg->gen_seq_points = debug_options.gen_seq_points;
4669 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4670 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4671 if (try_generic_shared)
4672 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
4673 cfg->compile_llvm = try_llvm;
4674 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4676 if (cfg->gen_seq_points)
4677 cfg->seq_points = g_ptr_array_new ();
4679 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
4680 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4684 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
4685 MonoMethodInflated *inflated;
4686 MonoGenericContext *context;
4688 // FIXME: Free the contents of gsctx if compilation fails
4689 if (method_is_gshared) {
4690 g_assert (method->is_inflated);
4691 inflated = (MonoMethodInflated*)method;
4692 context = &inflated->context;
4694 /* We are compiling a gsharedvt method directly */
4695 g_assert (compile_aot);
4697 g_assert (method_to_compile->is_inflated);
4698 inflated = (MonoMethodInflated*)method_to_compile;
4699 context = &inflated->context;
4702 mini_init_gsctx (context, &cfg->gsctx);
4704 cfg->gsharedvt = TRUE;
4706 cfg->disable_llvm = TRUE;
4709 if (cfg->generic_sharing_context) {
4710 method_to_register = method_to_compile;
4712 g_assert (method == method_to_compile);
4713 method_to_register = method;
4715 cfg->method_to_register = method_to_register;
4717 mono_error_init (&err);
4718 sig = mono_method_signature_checked (cfg->method, &err);
4720 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4721 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4722 mono_error_cleanup (&err);
4723 if (MONO_METHOD_COMPILE_END_ENABLED ())
4724 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4728 header = cfg->header;
4730 MonoLoaderError *error;
4732 if ((error = mono_loader_get_last_error ())) {
4733 cfg->exception_type = error->exception_type;
4735 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4736 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4738 if (MONO_METHOD_COMPILE_END_ENABLED ())
4739 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4745 static gboolean inited;
4752 * Check for methods which cannot be compiled by LLVM early, to avoid
4753 * the extra compilation pass.
4755 if (COMPILE_LLVM (cfg)) {
4756 mono_llvm_check_method_supported (cfg);
4757 if (cfg->disable_llvm) {
4758 if (cfg->verbose_level >= 1) {
4759 //nm = mono_method_full_name (cfg->method, TRUE);
4760 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4763 mono_destroy_compile (cfg);
4765 goto restart_compile;
4771 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4772 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4773 cfg->disable_reuse_registers = TRUE;
4774 cfg->disable_reuse_stack_slots = TRUE;
4776 * This decreases the change the debugger will read registers/stack slots which are
4777 * not yet initialized.
4779 cfg->disable_initlocals_opt = TRUE;
4781 cfg->extend_live_ranges = TRUE;
4783 /* Temporarily disable this when running in the debugger until we have support
4784 * for this in the debugger. */
4785 /* This is no longer needed with sdb */
4786 //cfg->disable_omit_fp = TRUE;
4788 /* The debugger needs all locals to be on the stack or in a global register */
4789 cfg->disable_vreg_to_lvreg = TRUE;
4791 /* Don't remove unused variables when running inside the debugger since the user
4792 * may still want to view them. */
4793 cfg->disable_deadce_vars = TRUE;
4795 // cfg->opt |= MONO_OPT_SHARED;
4796 cfg->opt &= ~MONO_OPT_DEADCE;
4797 cfg->opt &= ~MONO_OPT_INLINE;
4798 cfg->opt &= ~MONO_OPT_COPYPROP;
4799 cfg->opt &= ~MONO_OPT_CONSPROP;
4800 /* This is no longer needed with sdb */
4801 //cfg->opt &= ~MONO_OPT_GSHARED;
4803 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4804 cfg->disable_out_of_line_bblocks = TRUE;
4807 if (mono_using_xdebug) {
4809 * Make each variable use its own register/stack slot and extend
4810 * their liveness to cover the whole method, making them displayable
4811 * in gdb even after they are dead.
4813 cfg->disable_reuse_registers = TRUE;
4814 cfg->disable_reuse_stack_slots = TRUE;
4815 cfg->extend_live_ranges = TRUE;
4816 cfg->compute_precise_live_ranges = TRUE;
4819 mini_gc_init_cfg (cfg);
4821 if (COMPILE_LLVM (cfg)) {
4822 cfg->opt |= MONO_OPT_ABCREM;
4825 if (getenv ("MONO_VERBOSE_METHOD")) {
4826 char *name = getenv ("MONO_VERBOSE_METHOD");
4828 if ((strchr (name, '.') > name) || strchr (name, ':')) {
4829 MonoMethodDesc *desc;
4831 desc = mono_method_desc_new (name, TRUE);
4832 if (mono_method_desc_full_match (desc, cfg->method)) {
4833 cfg->verbose_level = 4;
4835 mono_method_desc_free (desc);
4837 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
4838 cfg->verbose_level = 4;
4842 ip = (guint8 *)header->code;
4844 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
4846 if (cfg->verbose_level > 0) {
4849 method_name = mono_method_full_name (method, TRUE);
4850 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
4852 if (COMPILE_LLVM (cfg))
4853 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
4854 else if (cfg->gsharedvt)
4855 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4856 else if (cfg->generic_sharing_context)
4857 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4859 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
4861 g_free (method_name);
4864 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
4865 cfg->opt |= MONO_OPT_SSA;
4868 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")))
4869 cfg->globalra = TRUE;
4872 //cfg->globalra = TRUE;
4874 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
4875 // cfg->globalra = TRUE;
4878 static int count = 0;
4882 if (getenv ("COUNT2")) {
4883 cfg->globalra = TRUE;
4884 if (count == atoi (getenv ("COUNT2")))
4885 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
4886 if (count > atoi (getenv ("COUNT2")))
4887 cfg->globalra = FALSE;
4892 if (header->clauses)
4893 cfg->globalra = FALSE;
4895 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4896 /* The code in the prolog clobbers caller saved registers */
4897 cfg->globalra = FALSE;
4899 // FIXME: Disable globalra in case of tracing/profiling
4901 if (cfg->method->save_lmf)
4902 /* The LMF saving code might clobber caller saved registers */
4903 cfg->globalra = FALSE;
4905 if (header->code_size > 5000)
4907 /* Too large bblocks could overflow the ins positions */
4908 cfg->globalra = FALSE;
4910 cfg->rs = mono_regstate_new ();
4912 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4913 cfg->next_vreg = cfg->rs->next_vreg;
4915 /* FIXME: Fix SSA to handle branches inside bblocks */
4916 if (cfg->opt & MONO_OPT_SSA)
4917 cfg->enable_extended_bblocks = FALSE;
4920 * FIXME: This confuses liveness analysis because variables which are assigned after
4921 * a branch inside a bblock become part of the kill set, even though the assignment
4922 * might not get executed. This causes the optimize_initlocals pass to delete some
4923 * assignments which are needed.
4924 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4927 //cfg->enable_extended_bblocks = TRUE;
4929 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4930 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
4931 if (mini_get_debug_options ()->break_on_unverified)
4937 * create MonoInst* which represents arguments and local variables
4939 mono_compile_create_vars (cfg);
4941 /* SSAPRE is not supported on linear IR */
4942 cfg->opt &= ~MONO_OPT_SSAPRE;
4944 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4947 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4949 if (MONO_METHOD_COMPILE_END_ENABLED ())
4950 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4953 mono_destroy_compile (cfg);
4954 try_generic_shared = FALSE;
4955 goto restart_compile;
4957 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4959 if (MONO_METHOD_COMPILE_END_ENABLED ())
4960 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4961 /* cfg contains the details of the failure, so let the caller cleanup */
4965 cfg->stat_basic_blocks += cfg->num_bblocks;
4967 if (COMPILE_LLVM (cfg)) {
4970 /* The IR has to be in SSA form for LLVM */
4971 cfg->opt |= MONO_OPT_SSA;
4975 // Allow SSA on the result value
4976 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4978 // Add an explicit return instruction referencing the return value
4979 MONO_INST_NEW (cfg, ins, OP_SETRET);
4980 ins->sreg1 = cfg->ret->dreg;
4982 MONO_ADD_INS (cfg->bb_exit, ins);
4985 cfg->opt &= ~MONO_OPT_LINEARS;
4988 cfg->opt &= ~MONO_OPT_BRANCH;
4991 /* todo: remove code when we have verified that the liveness for try/catch blocks
4995 * Currently, this can't be commented out since exception blocks are not
4996 * processed during liveness analysis.
4997 * It is also needed, because otherwise the local optimization passes would
4998 * delete assignments in cases like this:
5000 * <something which throws>
5002 * This also allows SSA to be run on methods containing exception clauses, since
5003 * SSA will ignore variables marked VOLATILE.
5005 mono_liveness_handle_exception_clauses (cfg);
5007 mono_handle_out_of_line_bblock (cfg);
5009 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
5011 if (!COMPILE_LLVM (cfg))
5012 mono_decompose_long_opts (cfg);
5014 /* Should be done before branch opts */
5015 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
5016 mono_local_cprop (cfg);
5018 if (cfg->opt & MONO_OPT_BRANCH)
5019 mono_optimize_branches (cfg);
5021 /* This must be done _before_ global reg alloc and _after_ decompose */
5022 mono_handle_global_vregs (cfg);
5023 if (cfg->opt & MONO_OPT_DEADCE)
5024 mono_local_deadce (cfg);
5025 /* Disable this for LLVM to make the IR easier to handle */
5026 if (!COMPILE_LLVM (cfg))
5027 mono_if_conversion (cfg);
5029 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
5030 mono_remove_critical_edges (cfg);
5032 /* Depth-first ordering on basic blocks */
5033 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5035 cfg->max_block_num = cfg->num_bblocks;
5038 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5039 if (cfg->num_bblocks != dfn + 1) {
5042 cfg->num_bblocks = dfn + 1;
5044 /* remove unreachable code, because the code in them may be
5045 * inconsistent (access to dead variables for example) */
5046 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5047 bb->flags &= ~BB_VISITED;
5048 compute_reachable (cfg->bb_entry);
5049 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5050 if (bb->flags & BB_EXCEPTION_HANDLER)
5051 compute_reachable (bb);
5052 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5053 if (!(bb->flags & BB_VISITED)) {
5054 if (cfg->verbose_level > 1)
5055 g_print ("found unreachable code in BB%d\n", bb->block_num);
5056 bb->code = bb->last_ins = NULL;
5057 while (bb->out_count)
5058 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
5061 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5062 bb->flags &= ~BB_VISITED;
5065 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
5067 * we disable some optimizations if there are too many variables
5068 * because JIT time may become too expensive. The actual number needs
5069 * to be tweaked and eventually the non-linear algorithms should be fixed.
5071 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
5072 cfg->disable_ssa = TRUE;
5075 if (cfg->opt & MONO_OPT_LOOP) {
5076 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
5077 mono_compute_natural_loops (cfg);
5080 /* after method_to_ir */
5082 if (MONO_METHOD_COMPILE_END_ENABLED ())
5083 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5088 if (header->num_clauses)
5089 cfg->disable_ssa = TRUE;
5092 //#define DEBUGSSA "logic_run"
5093 #define DEBUGSSA_CLASS "Tests"
5096 if (!cfg->disable_ssa) {
5097 mono_local_cprop (cfg);
5100 mono_ssa_compute (cfg);
5104 if (cfg->opt & MONO_OPT_SSA) {
5105 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
5107 mono_ssa_compute (cfg);
5110 if (cfg->verbose_level >= 2) {
5117 /* after SSA translation */
5119 if (MONO_METHOD_COMPILE_END_ENABLED ())
5120 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5124 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
5125 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5127 mono_ssa_cprop (cfg);
5133 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5134 //mono_ssa_strength_reduction (cfg);
5136 if (cfg->opt & MONO_OPT_SSAPRE) {
5137 mono_perform_ssapre (cfg);
5138 //mono_local_cprop (cfg);
5141 if (cfg->opt & MONO_OPT_DEADCE) {
5142 mono_ssa_deadce (cfg);
5143 deadce_has_run = TRUE;
5146 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5147 mono_perform_abc_removal (cfg);
5149 mono_ssa_remove (cfg);
5150 mono_local_cprop (cfg);
5151 mono_handle_global_vregs (cfg);
5152 if (cfg->opt & MONO_OPT_DEADCE)
5153 mono_local_deadce (cfg);
5155 if (cfg->opt & MONO_OPT_BRANCH) {
5158 mono_optimize_branches (cfg);
5160 /* Have to recompute cfg->bblocks and bb->dfn */
5161 if (cfg->globalra) {
5162 mono_remove_critical_edges (cfg);
5164 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5167 /* Depth-first ordering on basic blocks */
5168 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5171 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5172 cfg->num_bblocks = dfn + 1;
5178 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5179 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
5180 if (cfg->opt & MONO_OPT_ABCREM)
5181 mono_perform_abc_removal (cfg);
5184 /* after SSA removal */
5186 if (MONO_METHOD_COMPILE_END_ENABLED ())
5187 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5191 #ifdef MONO_ARCH_SOFT_FLOAT
5192 if (!COMPILE_LLVM (cfg))
5193 mono_decompose_soft_float (cfg);
5195 if (!COMPILE_LLVM (cfg))
5196 mono_decompose_vtype_opts (cfg);
5197 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5198 mono_decompose_array_access_opts (cfg);
5201 #ifndef MONO_ARCH_GOT_REG
5206 g_assert (cfg->got_var_allocated);
5209 * Allways allocate the GOT var to a register, because keeping it
5210 * in memory will increase the number of live temporaries in some
5211 * code created by inssel.brg, leading to the well known spills+
5212 * branches problem. Testcase: mcs crash in
5213 * System.MonoCustomAttrs:GetCustomAttributes.
5215 #ifdef MONO_ARCH_GOT_REG
5216 got_reg = MONO_ARCH_GOT_REG;
5218 regs = mono_arch_get_global_int_regs (cfg);
5220 got_reg = GPOINTER_TO_INT (regs->data);
5223 cfg->got_var->opcode = OP_REGVAR;
5224 cfg->got_var->dreg = got_reg;
5225 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5229 * Have to call this again to process variables added since the first call.
5231 mono_liveness_handle_exception_clauses (cfg);
5233 if (cfg->globalra) {
5236 /* Have to do this before regalloc since it can create vregs */
5237 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5238 mono_arch_lowering_pass (cfg, bb);
5240 mono_global_regalloc (cfg);
5243 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5244 GList *vars, *regs, *l;
5246 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5247 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5248 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5249 mono_analyze_liveness (cfg);
5251 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5252 regs = mono_arch_get_global_int_regs (cfg);
5253 /* Remove the reg reserved for holding the GOT address */
5255 for (l = regs; l; l = l->next) {
5256 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5257 regs = g_list_delete_link (regs, l);
5262 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5266 //mono_print_code (cfg, "");
5270 /* variables are allocated after decompose, since decompose could create temps */
5271 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5272 mono_arch_allocate_vars (cfg);
5273 if (cfg->exception_type)
5279 gboolean need_local_opts;
5281 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5282 mono_spill_global_vars (cfg, &need_local_opts);
5284 if (need_local_opts || cfg->compile_aot) {
5285 /* To optimize code created by spill_global_vars */
5286 mono_local_cprop (cfg);
5287 if (cfg->opt & MONO_OPT_DEADCE)
5288 mono_local_deadce (cfg);
5292 /* Add branches between non-consecutive bblocks */
5293 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5294 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5295 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5296 /* we are careful when inverting, since bugs like #59580
5297 * could show up when dealing with NaNs.
5299 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5300 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5301 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5302 bb->last_ins->inst_false_bb = tmp;
5304 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5306 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5307 inst->opcode = OP_BR;
5308 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5309 mono_bblock_add_inst (bb, inst);
5314 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5315 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5316 MonoInst *tree = bb->code;
5317 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5320 for (; tree; tree = tree->next) {
5321 mono_print_ins_index (-1, tree);
5327 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5328 bb->max_vreg = cfg->next_vreg;
5332 if (COMPILE_LLVM (cfg)) {
5336 /* The IR has to be in SSA form for LLVM */
5337 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5338 cfg->exception_message = g_strdup ("SSA disabled.");
5339 cfg->disable_llvm = TRUE;
5342 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5343 mono_decompose_array_access_opts (cfg);
5345 if (!cfg->disable_llvm)
5346 mono_llvm_emit_method (cfg);
5347 if (cfg->disable_llvm) {
5348 if (cfg->verbose_level >= 1) {
5349 //nm = mono_method_full_name (cfg->method, TRUE);
5350 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5353 mono_destroy_compile (cfg);
5355 goto restart_compile;
5358 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5359 nm = mono_method_full_name (cfg->method, TRUE);
5360 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5362 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5370 if (COMPILE_LLVM (cfg))
5371 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5373 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5375 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5377 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5378 if (cfg->extend_live_ranges) {
5379 /* Extend live ranges to cover the whole method */
5380 for (i = 0; i < cfg->num_varinfo; ++i)
5381 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5385 if (!cfg->compile_aot)
5386 mono_save_xdebug_info (cfg);
5388 mini_gc_create_gc_map (cfg);
5390 mono_save_seq_point_info (cfg);
5392 if (cfg->verbose_level >= 2) {
5393 char *id = mono_method_full_name (cfg->method, FALSE);
5394 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5398 if (!cfg->compile_aot) {
5399 mono_domain_lock (cfg->domain);
5400 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5402 if (cfg->method->dynamic)
5403 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5404 mono_domain_unlock (cfg->domain);
5409 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5412 /* collect statistics */
5413 #ifndef DISABLE_PERFCOUNTERS
5414 mono_perfcounters->jit_methods++;
5415 mono_perfcounters->jit_bytes += header->code_size;
5417 mono_jit_stats.allocated_code_size += cfg->code_len;
5418 code_size_ratio = cfg->code_len;
5419 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5420 mono_jit_stats.biggest_method_size = code_size_ratio;
5421 g_free (mono_jit_stats.biggest_method);
5422 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5424 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5425 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5426 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5427 g_free (mono_jit_stats.max_ratio_method);
5428 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5430 mono_jit_stats.native_code_size += cfg->code_len;
5432 if (MONO_METHOD_COMPILE_END_ENABLED ())
5433 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5441 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
5443 g_assert_not_reached ();
5447 #endif /* DISABLE_JIT */
5450 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
5452 static gboolean inited = FALSE;
5453 static int lookups = 0;
5454 static int failed_lookups = 0;
5457 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
5458 if (ji && !ji->has_generic_jit_info)
5462 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5463 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5475 * LOCKING: Assumes domain->jit_code_hash_lock is held.
5478 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
5480 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5485 if (!mono_method_is_generic_sharable (method, FALSE))
5487 return mono_domain_lookup_shared_generic (domain, method);
5491 lookup_method (MonoDomain *domain, MonoMethod *method)
5495 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
5496 mono_domain_jit_code_hash_lock (domain);
5497 info = lookup_method_inner (domain, method);
5498 mono_domain_jit_code_hash_unlock (domain);
5499 mono_loader_unlock ();
5505 static FILE* perf_map_file = NULL;
5508 mono_enable_jit_map (void)
5510 if (!perf_map_file) {
5512 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5514 perf_map_file = fopen (name, "w");
5519 mono_emit_jit_tramp (void *start, int size, const char *desc)
5522 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5526 mono_emit_jit_map (MonoJitInfo *jinfo)
5528 if (perf_map_file) {
5529 char *name = mono_method_full_name (jinfo->method, TRUE);
5530 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5536 mono_jit_map_is_enabled (void)
5538 return perf_map_file != NULL;
5544 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5547 gpointer code = NULL;
5548 MonoJitInfo *jinfo, *info;
5550 MonoException *ex = NULL;
5551 guint32 prof_options;
5553 MonoMethod *prof_method;
5555 #ifdef MONO_USE_AOT_COMPILER
5556 if (opt & MONO_OPT_AOT) {
5557 MonoDomain *domain = mono_domain_get ();
5559 mono_class_init (method->klass);
5561 if ((code = mono_aot_get_method (domain, method))) {
5562 vtable = mono_class_vtable (domain, method->klass);
5564 mono_runtime_class_init (vtable);
5571 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5572 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5574 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5576 if (!piinfo->addr) {
5577 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5578 piinfo->addr = mono_lookup_internal_call (method);
5579 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5581 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);
5583 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);
5586 mono_lookup_pinvoke_call (method, NULL, NULL);
5588 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5589 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5590 jinfo = mono_jit_info_table_find (target_domain, code);
5592 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5594 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5597 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
5598 //mono_debug_add_wrapper (method, nm);
5599 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5600 const char *name = method->name;
5601 char *full_name, *msg;
5604 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5605 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5606 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5609 * We need to make sure this wrapper
5610 * is compiled because it might end up
5611 * in an (M)RGCTX if generic sharing
5612 * is enabled, and would be called
5613 * indirectly. If it were a
5614 * trampoline we'd try to patch that
5615 * indirect call, which is not
5618 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5619 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5620 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5621 return mono_create_delegate_trampoline (target_domain, method->klass);
5623 nm = mono_marshal_get_delegate_invoke (method, NULL);
5624 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5626 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5627 nm = mono_marshal_get_delegate_begin_invoke (method);
5628 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5629 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5630 nm = mono_marshal_get_delegate_end_invoke (method);
5631 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5635 full_name = mono_method_full_name (method, TRUE);
5636 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5637 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5643 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5644 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5646 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5647 static MonoTrampInfo *in_tinfo, *out_tinfo;
5648 MonoTrampInfo *tinfo;
5650 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5652 if (is_in && in_tinfo)
5653 return in_tinfo->code;
5654 else if (!is_in && out_tinfo)
5655 return out_tinfo->code;
5658 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5660 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5663 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
5665 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
5666 jinfo = create_jit_info_for_trampoline (method, tinfo);
5667 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
5676 if (mono_aot_only) {
5677 char *fullname = mono_method_full_name (method, TRUE);
5678 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);
5680 *jit_ex = mono_get_exception_execution_engine (msg);
5687 jit_timer = g_timer_new ();
5689 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5690 prof_method = cfg->method;
5692 g_timer_stop (jit_timer);
5693 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5694 g_timer_destroy (jit_timer);
5696 switch (cfg->exception_type) {
5697 case MONO_EXCEPTION_NONE:
5699 case MONO_EXCEPTION_TYPE_LOAD:
5700 case MONO_EXCEPTION_MISSING_FIELD:
5701 case MONO_EXCEPTION_MISSING_METHOD:
5702 case MONO_EXCEPTION_FILE_NOT_FOUND:
5703 case MONO_EXCEPTION_BAD_IMAGE: {
5704 /* Throw a type load exception if needed */
5705 MonoLoaderError *error = mono_loader_get_last_error ();
5708 ex = mono_loader_error_prepare_exception (error);
5710 if (cfg->exception_ptr) {
5711 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5713 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5714 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5715 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5716 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5717 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5718 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5719 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5720 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5721 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5722 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5724 g_assert_not_reached ();
5729 case MONO_EXCEPTION_INVALID_PROGRAM:
5730 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5732 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5733 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5735 case MONO_EXCEPTION_METHOD_ACCESS:
5736 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5738 case MONO_EXCEPTION_FIELD_ACCESS:
5739 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5741 #ifndef DISABLE_SECURITY
5742 /* this can only be set if the security manager is active */
5743 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5744 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5745 MonoObject *exc = NULL;
5748 args [0] = &cfg->exception_data;
5750 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5752 ex = (MonoException*)exc;
5756 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5757 MonoException *exp = cfg->exception_ptr;
5758 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5763 case MONO_EXCEPTION_OUT_OF_MEMORY:
5764 ex = mono_domain_get ()->out_of_memory_ex;
5767 g_assert_not_reached ();
5771 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5772 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5774 mono_destroy_compile (cfg);
5780 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5781 mono_domain_lock (target_domain);
5783 /* Check if some other thread already did the job. In this case, we can
5784 discard the code this thread generated. */
5786 mono_domain_jit_code_hash_lock (target_domain);
5788 info = lookup_method_inner (target_domain, method);
5790 /* We can't use a domain specific method in another domain */
5791 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5792 code = info->code_start;
5793 // printf("Discarding code for method %s\n", method->name);
5798 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
5799 mono_domain_jit_code_hash_unlock (target_domain);
5800 code = cfg->native_code;
5802 if (cfg->generic_sharing_context && mono_method_is_generic_sharable (method, FALSE))
5803 mono_stats.generics_shared_methods++;
5805 mono_stats.gsharedvt_methods++;
5807 mono_domain_jit_code_hash_unlock (target_domain);
5810 jinfo = cfg->jit_info;
5812 prof_options = cfg->prof_options;
5815 * Update global stats while holding a lock, instead of doing many
5816 * InterlockedIncrement operations during JITting.
5818 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
5819 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
5820 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
5821 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
5822 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
5823 mono_jit_stats.regvars += cfg->stat_n_regvars;
5824 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
5825 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
5826 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
5827 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
5829 mono_destroy_compile (cfg);
5832 if (domain_jit_info (target_domain)->jump_target_hash) {
5833 MonoJumpInfo patch_info;
5834 MonoJumpList *jlist;
5836 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
5838 patch_info.next = NULL;
5839 patch_info.ip.i = 0;
5840 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
5841 patch_info.data.method = method;
5842 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
5844 #if defined(__native_client_codegen__) && defined(__native_client__)
5845 /* These patches are applied after a method has been installed, no target munging is needed. */
5846 nacl_allow_target_modification (FALSE);
5848 for (tmp = jlist->list; tmp; tmp = tmp->next)
5849 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
5850 #if defined(__native_client_codegen__) && defined(__native_client__)
5851 nacl_allow_target_modification (TRUE);
5856 mono_emit_jit_map (jinfo);
5858 mono_domain_unlock (target_domain);
5859 mono_loader_unlock ();
5861 vtable = mono_class_vtable (target_domain, method->klass);
5863 ex = mono_class_get_exception_for_failure (method->klass);
5869 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
5870 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
5871 if (mono_marshal_method_from_wrapper (method)) {
5872 /* Native func wrappers have no method */
5873 /* The profiler doesn't know about wrappers, so pass the original icall method */
5874 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
5877 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5878 if (prof_method != method) {
5879 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
5883 ex = mono_runtime_class_init_full (vtable, FALSE);
5892 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
5894 MonoDomain *target_domain, *domain = mono_domain_get ();
5897 MonoJitICallInfo *callinfo = NULL;
5898 WrapperInfo *winfo = NULL;
5901 * ICALL wrappers are handled specially, since there is only one copy of them
5902 * shared by all appdomains.
5904 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
5905 winfo = mono_marshal_get_wrapper_info (method);
5906 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
5907 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
5908 g_assert (callinfo);
5910 /* Must be domain neutral since there is only one copy */
5911 opt |= MONO_OPT_SHARED;
5914 if (method->dynamic)
5915 opt &= ~MONO_OPT_SHARED;
5917 /* These methods can become invalid when a domain is unloaded */
5918 if (method->klass->image != mono_get_corlib () || method->is_inflated)
5919 opt &= ~MONO_OPT_SHARED;
5921 if (opt & MONO_OPT_SHARED)
5922 target_domain = mono_get_root_domain ();
5924 target_domain = domain;
5926 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5927 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5930 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER)
5931 method = info->d.synchronized_inner.method;
5934 info = lookup_method (target_domain, method);
5936 /* We can't use a domain specific method in another domain */
5937 if (! ((domain != target_domain) && !info->domain_neutral)) {
5939 MonoException *tmpEx;
5941 mono_jit_stats.methods_lookups++;
5942 vtable = mono_class_vtable (domain, method->klass);
5944 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
5949 return mono_create_ftnptr (target_domain, info->code_start);
5953 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
5957 p = mono_create_ftnptr (target_domain, code);
5960 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
5961 mono_loader_lock ();
5963 if (!callinfo->wrapper) {
5964 callinfo->wrapper = p;
5965 mono_register_jit_icall_wrapper (callinfo, p);
5966 mono_debug_add_icall_wrapper (method, callinfo);
5969 mono_loader_unlock ();
5976 mono_jit_compile_method (MonoMethod *method)
5978 MonoException *ex = NULL;
5981 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
5984 mono_raise_exception (ex);
5990 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5992 invalidated_delegate_trampoline (char *desc)
5994 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
5995 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
6001 * mono_jit_free_method:
6003 * Free all memory allocated by the JIT for METHOD.
6006 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
6008 MonoJitDynamicMethodInfo *ji;
6009 gboolean destroy = TRUE;
6010 GHashTableIter iter;
6011 MonoJumpList *jlist;
6013 g_assert (method->dynamic);
6015 mono_domain_lock (domain);
6016 ji = mono_dynamic_code_hash_lookup (domain, method);
6017 mono_domain_unlock (domain);
6022 mono_debug_remove_method (method, domain);
6024 mono_domain_lock (domain);
6025 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
6026 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
6027 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
6028 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
6030 /* Remove jump targets in this method */
6031 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
6032 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
6033 GSList *tmp, *remove;
6036 for (tmp = jlist->list; tmp; tmp = tmp->next) {
6037 guint8 *ip = tmp->data;
6039 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
6040 remove = g_slist_prepend (remove, tmp);
6042 for (tmp = remove; tmp; tmp = tmp->next) {
6043 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
6045 g_slist_free (remove);
6048 mono_domain_unlock (domain);
6050 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6051 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
6053 * Instead of freeing the code, change it to call an error routine
6054 * so people can fix their code.
6056 char *type = mono_type_full_name (&method->klass->byval_arg);
6057 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
6060 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
6066 * This needs to be done before freeing code_mp, since the code address is the
6067 * key in the table, so if we free the code_mp first, another thread can grab the
6068 * same code address and replace our entry in the table.
6070 mono_jit_info_table_remove (domain, ji->ji);
6073 mono_code_manager_destroy (ji->code_mp);
6078 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
6080 MonoDomain *target_domain;
6083 if (default_opt & MONO_OPT_SHARED)
6084 target_domain = mono_get_root_domain ();
6086 target_domain = domain;
6088 info = lookup_method (target_domain, method);
6090 /* We can't use a domain specific method in another domain */
6091 if (! ((domain != target_domain) && !info->domain_neutral)) {
6092 mono_jit_stats.methods_lookups++;
6095 return info->code_start;
6105 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
6107 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
6112 gpointer compiled_method;
6113 gpointer runtime_invoke;
6115 MonoDynCallInfo *dyn_call_info;
6116 MonoClass *ret_box_class;
6117 } RuntimeInvokeInfo;
6120 * mono_jit_runtime_invoke:
6121 * @method: the method to invoke
6122 * @obj: this pointer
6123 * @params: array of parameter values.
6124 * @exc: used to catch exceptions objects
6127 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
6130 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
6131 MonoDomain *domain = mono_domain_get ();
6132 MonoJitDomainInfo *domain_info;
6133 RuntimeInvokeInfo *info, *info2;
6135 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6136 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6140 domain_info = domain_jit_info (domain);
6142 mono_domain_lock (domain);
6143 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6144 mono_domain_unlock (domain);
6147 if (mono_security_core_clr_enabled ()) {
6149 * This might be redundant since mono_class_vtable () already does this,
6150 * but keep it just in case for moonlight.
6152 mono_class_setup_vtable (method->klass);
6153 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6155 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6157 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6162 info = g_new0 (RuntimeInvokeInfo, 1);
6164 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6165 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6166 g_assert (info->vtable);
6168 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6169 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6171 * Array Get/Set/Address methods. The JIT implements them using inline code
6172 * inside the runtime invoke wrappers, so no need to compile them.
6174 info->compiled_method = NULL;
6176 MonoException *jit_ex = NULL;
6178 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
6179 if (!info->compiled_method) {
6183 *exc = (MonoObject*)jit_ex;
6186 mono_raise_exception (jit_ex);
6190 info->compiled_method = mini_add_method_trampoline (NULL, method, info->compiled_method, mono_method_needs_static_rgctx_invoke (method, FALSE));
6194 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6195 * in full-aot mode, so we use a slower, but more generic wrapper if
6196 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6198 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6199 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6200 MonoMethodSignature *sig = mono_method_signature (method);
6201 gboolean supported = TRUE;
6204 if (method->string_ctor)
6205 sig = mono_marshal_get_string_ctor_signature (method);
6207 for (i = 0; i < sig->param_count; ++i) {
6208 MonoType *t = sig->params [i];
6210 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6214 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
6218 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6220 if (info->dyn_call_info) {
6221 switch (sig->ret->type) {
6222 case MONO_TYPE_VOID:
6234 case MONO_TYPE_BOOLEAN:
6235 case MONO_TYPE_CHAR:
6238 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6241 info->ret_box_class = mono_defaults.int_class;
6243 case MONO_TYPE_STRING:
6244 case MONO_TYPE_CLASS:
6245 case MONO_TYPE_ARRAY:
6246 case MONO_TYPE_SZARRAY:
6247 case MONO_TYPE_OBJECT:
6249 case MONO_TYPE_GENERICINST:
6250 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
6251 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6253 case MONO_TYPE_VALUETYPE:
6254 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6257 g_assert_not_reached ();
6264 if (!info->dyn_call_info)
6265 info->runtime_invoke = mono_jit_compile_method (invoke);
6267 mono_domain_lock (domain);
6268 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6273 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
6275 mono_domain_unlock (domain);
6278 runtime_invoke = info->runtime_invoke;
6281 * We need this here because mono_marshal_get_runtime_invoke can place
6282 * the helper method in System.Object and not the target class.
6285 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6289 mono_runtime_class_init (info->vtable);
6292 /* The wrappers expect this to be initialized to NULL */
6296 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6297 if (info->dyn_call_info) {
6298 MonoMethodSignature *sig = mono_method_signature (method);
6300 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6303 guint8 retval [128];
6305 if (!dyn_runtime_invoke) {
6306 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6307 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6310 /* Convert the arguments to the format expected by start_dyn_call () */
6311 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6314 args [pindex ++] = &obj;
6315 for (i = 0; i < sig->param_count; ++i) {
6316 MonoType *t = sig->params [i];
6319 args [pindex ++] = ¶ms [i];
6320 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6321 args [pindex ++] = ¶ms [i];
6323 args [pindex ++] = params [i];
6327 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6329 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6331 dyn_runtime_invoke (buf, exc, info->compiled_method);
6333 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6335 if (info->ret_box_class)
6336 return mono_value_box (domain, info->ret_box_class, retval);
6338 return *(MonoObject**)retval;
6342 return runtime_invoke (obj, params, exc, info->compiled_method);
6346 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
6348 MonoException *exc = NULL;
6350 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
6355 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6357 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6358 if (mono_arch_is_int_overflow (ctx, info))
6360 * The spec says this throws ArithmeticException, but MS throws the derived
6361 * OverflowException.
6363 exc = mono_get_exception_overflow ();
6365 exc = mono_get_exception_divide_by_zero ();
6367 exc = mono_get_exception_divide_by_zero ();
6371 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6374 mono_handle_native_sigsegv (SIGSEGV, ctx);
6377 mono_arch_handle_exception (ctx, exc);
6381 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
6386 exc = mono_get_exception_execution_engine ("SIGILL");
6388 mono_arch_handle_exception (ctx, exc);
6391 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6392 #define HAVE_SIG_INFO
6396 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
6399 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6400 gpointer fault_addr = NULL;
6404 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6405 if (mono_arch_is_single_step_event (info, ctx)) {
6406 mono_debugger_agent_single_step_event (ctx);
6408 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6409 mono_debugger_agent_breakpoint_hit (ctx);
6414 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6415 fault_addr = info->si_addr;
6416 if (mono_aot_is_pagefault (info->si_addr)) {
6417 mono_aot_handle_pagefault (info->si_addr);
6422 /* The thread might no be registered with the runtime */
6423 if (!mono_domain_get () || !jit_tls) {
6424 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6426 mono_handle_native_sigsegv (SIGSEGV, ctx);
6429 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6431 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6432 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6435 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6436 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6437 fault_addr = info->si_addr;
6438 if (fault_addr == NULL) {
6441 mono_arch_sigctx_to_monoctx (ctx, &mctx);
6443 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6447 if (jit_tls->stack_size &&
6448 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6450 * The hard-guard page has been hit: there is not much we can do anymore
6451 * Print a hopefully clear message and abort.
6453 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6454 g_assert_not_reached ();
6456 /* The original handler might not like that it is executed on an altstack... */
6457 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
6460 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6465 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6468 mono_handle_native_sigsegv (SIGSEGV, ctx);
6471 mono_arch_handle_exception (ctx, NULL);
6476 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
6481 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6483 mono_arch_handle_exception (ctx, exc);
6486 #ifndef DISABLE_REMOTING
6487 /* mono_jit_create_remoting_trampoline:
6488 * @method: pointer to the method info
6490 * Creates a trampoline which calls the remoting functions. This
6491 * is used in the vtable of transparent proxies.
6493 * Returns: a pointer to the newly created code
6496 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6499 guint8 *addr = NULL;
6501 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6502 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6506 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6507 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
6508 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6509 addr = mono_compile_method (nm);
6512 addr = mono_compile_method (method);
6514 return mono_get_addr_from_ftnptr (addr);
6518 static gpointer *vtable_trampolines;
6519 static int vtable_trampolines_size;
6522 mini_get_vtable_trampoline (int slot_index)
6524 int index = slot_index + MONO_IMT_SIZE;
6526 g_assert (slot_index >= - MONO_IMT_SIZE);
6527 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6529 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6533 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6534 while (new_size <= index)
6536 new_table = g_new0 (gpointer, new_size);
6538 if (vtable_trampolines)
6539 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6540 g_free (vtable_trampolines);
6541 mono_memory_barrier ();
6542 vtable_trampolines = new_table;
6543 vtable_trampolines_size = new_size;
6548 if (!vtable_trampolines [index])
6549 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6550 return vtable_trampolines [index];
6554 mini_get_imt_trampoline (int slot_index)
6556 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6560 mini_parse_debug_options (void)
6562 char *options = getenv ("MONO_DEBUG");
6563 gchar **args, **ptr;
6568 args = g_strsplit (options, ",", -1);
6570 for (ptr = args; ptr && *ptr; ptr++) {
6571 const char *arg = *ptr;
6573 if (!strcmp (arg, "handle-sigint"))
6574 debug_options.handle_sigint = TRUE;
6575 else if (!strcmp (arg, "keep-delegates"))
6576 debug_options.keep_delegates = TRUE;
6577 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6578 debug_options.reverse_pinvoke_exceptions = TRUE;
6579 else if (!strcmp (arg, "collect-pagefault-stats"))
6580 debug_options.collect_pagefault_stats = TRUE;
6581 else if (!strcmp (arg, "break-on-unverified"))
6582 debug_options.break_on_unverified = TRUE;
6583 else if (!strcmp (arg, "no-gdb-backtrace"))
6584 debug_options.no_gdb_backtrace = TRUE;
6585 else if (!strcmp (arg, "suspend-on-sigsegv"))
6586 debug_options.suspend_on_sigsegv = TRUE;
6587 else if (!strcmp (arg, "suspend-on-unhandled"))
6588 debug_options.suspend_on_unhandled = TRUE;
6589 else if (!strcmp (arg, "dont-free-domains"))
6590 mono_dont_free_domains = TRUE;
6591 else if (!strcmp (arg, "dyn-runtime-invoke"))
6592 debug_options.dyn_runtime_invoke = TRUE;
6593 else if (!strcmp (arg, "gdb"))
6594 debug_options.gdb = TRUE;
6595 else if (!strcmp (arg, "explicit-null-checks"))
6596 debug_options.explicit_null_checks = TRUE;
6597 else if (!strcmp (arg, "gen-seq-points"))
6598 debug_options.gen_seq_points = TRUE;
6599 else if (!strcmp (arg, "init-stacks"))
6600 debug_options.init_stacks = TRUE;
6601 else if (!strcmp (arg, "casts"))
6602 debug_options.better_cast_details = TRUE;
6603 else if (!strcmp (arg, "soft-breakpoints"))
6604 debug_options.soft_breakpoints = TRUE;
6606 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6607 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");
6616 mini_get_debug_options (void)
6618 return &debug_options;
6622 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6624 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
6628 gpointer* desc = NULL;
6630 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
6633 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6637 # elif defined(__ppc64__) || defined(__powerpc64__)
6640 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6646 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
6652 mini_get_addr_from_ftnptr (gpointer descr)
6654 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6655 return *(gpointer*)descr;
6662 register_jit_stats (void)
6664 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
6665 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
6666 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6667 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6668 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6669 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
6670 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
6671 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
6672 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
6673 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
6674 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
6675 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
6676 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
6677 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
6678 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
6679 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
6680 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
6683 static void runtime_invoke_info_free (gpointer value);
6686 mini_create_jit_domain_info (MonoDomain *domain)
6688 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
6690 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6691 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6692 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6693 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6694 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6695 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
6696 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
6697 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
6698 info->jump_target_hash = g_hash_table_new (NULL, NULL);
6700 domain->runtime_info = info;
6704 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
6706 MonoJumpList *jlist = value;
6707 g_slist_free (jlist->list);
6711 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
6713 MonoJitDynamicMethodInfo *di = value;
6714 mono_code_manager_destroy (di->code_mp);
6719 runtime_invoke_info_free (gpointer value)
6721 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
6723 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6724 if (info->dyn_call_info)
6725 mono_arch_dyn_call_free (info->dyn_call_info);
6731 mini_free_jit_domain_info (MonoDomain *domain)
6733 MonoJitDomainInfo *info = domain_jit_info (domain);
6735 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6736 g_hash_table_destroy (info->jump_target_hash);
6737 if (info->jump_target_got_slot_hash) {
6738 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6739 g_hash_table_destroy (info->jump_target_got_slot_hash);
6741 if (info->dynamic_code_hash) {
6742 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6743 g_hash_table_destroy (info->dynamic_code_hash);
6745 if (info->method_code_hash)
6746 g_hash_table_destroy (info->method_code_hash);
6747 g_hash_table_destroy (info->class_init_trampoline_hash);
6748 g_hash_table_destroy (info->jump_trampoline_hash);
6749 g_hash_table_destroy (info->jit_trampoline_hash);
6750 g_hash_table_destroy (info->delegate_trampoline_hash);
6751 if (info->static_rgctx_trampoline_hash)
6752 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6753 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6754 g_hash_table_destroy (info->runtime_invoke_hash);
6755 g_hash_table_destroy (info->seq_points);
6756 g_hash_table_destroy (info->arch_seq_points);
6757 if (info->agent_info)
6758 mono_debugger_agent_free_domain_info (domain);
6759 if (info->gsharedvt_arg_tramp_hash)
6760 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
6762 g_free (domain->runtime_info);
6763 domain->runtime_info = NULL;
6767 mini_init (const char *filename, const char *runtime_version)
6770 MonoRuntimeCallbacks callbacks;
6771 MonoThreadInfoRuntimeCallbacks ticallbacks;
6773 MONO_VES_INIT_BEGIN ();
6775 #if defined(__linux__) && !defined(__native_client__)
6776 if (access ("/proc/self/maps", F_OK) != 0) {
6777 g_print ("Mono requires /proc to be mounted.\n");
6782 /* Happens when using the embedding interface */
6783 if (!default_opt_set)
6784 default_opt = mono_parse_default_optimizations (NULL);
6786 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
6788 mono_set_generic_sharing_vt_supported (TRUE);
6791 InitializeCriticalSection (&jit_mutex);
6793 #ifdef MONO_DEBUGGER_SUPPORTED
6794 if (mini_debug_running_inside_mdb ())
6795 mini_debugger_init ();
6798 #ifdef MONO_HAVE_FAST_TLS
6799 MONO_FAST_TLS_INIT (mono_jit_tls);
6800 MONO_FAST_TLS_INIT (mono_lmf_addr);
6801 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
6802 MONO_FAST_TLS_INIT (mono_lmf);
6806 #ifdef MONO_ARCH_HAVE_TLS_GET
6807 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
6809 mono_runtime_set_has_tls_get (FALSE);
6812 if (!global_codeman)
6813 global_codeman = mono_code_manager_new ();
6814 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
6816 memset (&callbacks, 0, sizeof (callbacks));
6817 callbacks.create_ftnptr = mini_create_ftnptr;
6818 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
6819 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
6820 callbacks.set_cast_details = mono_set_cast_details;
6821 callbacks.debug_log = mono_debugger_agent_debug_log;
6822 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
6824 #ifdef MONO_ARCH_HAVE_IMT
6826 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
6827 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
6831 mono_install_callbacks (&callbacks);
6833 memset (&ticallbacks, 0, sizeof (ticallbacks));
6834 ticallbacks.setup_async_callback = mono_setup_async_callback;
6835 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
6836 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
6838 mono_threads_runtime_init (&ticallbacks);
6841 if (getenv ("MONO_DEBUG") != NULL)
6842 mini_parse_debug_options ();
6844 mono_code_manager_init ();
6846 mono_arch_cpu_init ();
6850 mono_unwind_init ();
6852 if (getenv ("MONO_XDEBUG")) {
6853 char *xdebug_opts = getenv ("MONO_XDEBUG");
6854 mono_xdebug_init (xdebug_opts);
6855 /* So methods for multiple domains don't have the same address */
6856 mono_dont_free_domains = TRUE;
6857 mono_using_xdebug = TRUE;
6858 } else if (mini_get_debug_options ()->gdb) {
6859 mono_xdebug_init ((char*)"gdb");
6860 mono_dont_free_domains = TRUE;
6861 mono_using_xdebug = TRUE;
6865 if (mono_use_llvm) {
6866 if (!mono_llvm_load (NULL)) {
6867 mono_use_llvm = FALSE;
6868 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
6875 mono_trampolines_init ();
6877 if (!g_thread_supported ())
6878 g_thread_init (NULL);
6880 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
6882 if (default_opt & MONO_OPT_AOT)
6885 mono_debugger_agent_init ();
6887 #ifdef MONO_ARCH_GSHARED_SUPPORTED
6888 mono_set_generic_sharing_supported (TRUE);
6891 #ifndef MONO_CROSS_COMPILE
6892 mono_runtime_install_handlers ();
6894 mono_threads_install_cleanup (mini_thread_cleanup);
6896 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
6897 // This is experimental code so provide an env var to switch it off
6898 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
6899 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
6901 check_for_pending_exc = FALSE;
6902 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
6906 #define JIT_TRAMPOLINES_WORK
6907 #ifdef JIT_TRAMPOLINES_WORK
6908 mono_install_compile_method (mono_jit_compile_method);
6909 mono_install_free_method (mono_jit_free_method);
6910 mono_install_trampoline (mono_create_jit_trampoline);
6911 mono_install_jump_trampoline (mono_create_jump_trampoline);
6912 #ifndef DISABLE_REMOTING
6913 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
6915 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
6916 mono_install_create_domain_hook (mini_create_jit_domain_info);
6917 mono_install_free_domain_hook (mini_free_jit_domain_info);
6919 #define JIT_INVOKE_WORKS
6920 #ifdef JIT_INVOKE_WORKS
6921 mono_install_runtime_invoke (mono_jit_runtime_invoke);
6923 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
6924 mono_install_get_class_from_name (mono_aot_get_class_from_name);
6925 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
6927 if (debug_options.collect_pagefault_stats) {
6928 mono_aot_set_make_unreadable (TRUE);
6931 if (runtime_version)
6932 domain = mono_init_version (filename, runtime_version);
6934 domain = mono_init_from_assembly (filename, filename);
6936 if (mono_aot_only) {
6937 /* This helps catch code allocation requests */
6938 mono_code_manager_set_read_only (domain->code_mp);
6939 mono_marshal_use_aot_wrappers (TRUE);
6942 #ifdef MONO_ARCH_HAVE_IMT
6945 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
6947 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
6951 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
6952 mono_arch_finish_init ();
6954 /* This must come after mono_init () in the aot-only case */
6955 mono_exceptions_init ();
6959 /* This should come after mono_init () too */
6962 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
6963 ves_icall_get_frame_info);
6964 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
6965 ves_icall_get_trace);
6966 mono_add_internal_call ("System.Exception::get_trace",
6967 ves_icall_System_Exception_get_trace);
6968 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
6969 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
6970 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
6971 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
6972 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
6973 mono_runtime_install_handlers);
6975 #ifdef PLATFORM_ANDROID
6976 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
6977 mono_debugger_agent_unhandled_exception);
6981 mono_create_helper_signatures ();
6984 register_jit_stats ();
6986 #define JIT_CALLS_WORK
6987 #ifdef JIT_CALLS_WORK
6988 /* Needs to be called here since register_jit_icall depends on it */
6989 mono_marshal_init ();
6991 mono_arch_register_lowlevel_calls ();
6992 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
6993 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
6994 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
6995 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
6996 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
6997 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
6998 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
6999 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
7001 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
7002 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
7003 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
7004 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
7005 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
7006 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
7007 #ifndef DISABLE_REMOTING
7008 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
7009 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
7012 #if defined(__native_client__) || defined(__native_client_codegen__)
7013 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
7016 * NOTE, NOTE, NOTE, NOTE:
7017 * when adding emulation for some opcodes, remember to also add a dummy
7018 * rule to the burg files, because we need the arity information to be correct.
7020 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
7021 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
7022 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
7023 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
7024 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
7025 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
7026 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
7027 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
7030 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
7031 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
7032 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
7033 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
7036 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
7037 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
7038 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
7039 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
7040 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
7043 #ifdef MONO_ARCH_EMULATE_MUL_DIV
7044 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
7047 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
7048 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
7049 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
7052 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
7053 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
7056 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
7057 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
7058 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
7059 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
7061 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
7062 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
7064 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
7065 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);
7067 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
7068 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
7070 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
7071 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
7073 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
7074 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);
7076 #ifdef MONO_ARCH_EMULATE_FREM
7077 #if defined(__default_codegen__)
7078 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
7079 #elif defined(__native_client_codegen__)
7080 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
7084 #ifdef MONO_ARCH_SOFT_FLOAT
7085 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
7086 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
7087 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
7088 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
7089 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
7090 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
7091 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
7092 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
7093 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
7094 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7095 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
7096 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
7097 #if SIZEOF_VOID_P == 4
7098 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7101 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
7102 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
7103 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
7104 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
7105 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
7106 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
7107 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
7108 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
7109 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
7110 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
7112 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
7113 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
7114 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
7115 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
7116 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
7118 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
7119 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
7120 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
7121 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
7124 #ifdef COMPRESSED_INTERFACE_BITMAP
7125 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
7128 #if SIZEOF_REGISTER == 4
7129 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
7132 /* other jit icalls */
7133 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
7134 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
7135 "ptr ptr ptr", FALSE);
7136 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
7137 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
7138 "ptr ptr ptr ptr", FALSE);
7139 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
7140 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
7141 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
7142 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
7143 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
7144 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7145 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7146 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7147 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7148 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7149 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7150 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
7151 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
7152 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
7153 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
7154 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7155 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
7156 register_icall (mono_break, "mono_break", NULL, TRUE);
7157 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7158 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7159 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7160 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7161 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7162 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7163 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
7164 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7165 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7166 register_icall (mono_object_tostring_gsharedvt, "mono_object_tostring_gsharedvt", "object ptr ptr ptr", TRUE);
7167 register_icall (mono_object_gethashcode_gsharedvt, "mono_object_gethashcode_gsharedvt", "int ptr ptr ptr", TRUE);
7169 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7171 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7172 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7174 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7178 register_icall (pthread_getspecific, "pthread_getspecific", NULL, TRUE);
7181 mono_generic_sharing_init ();
7183 #ifdef MONO_ARCH_SIMD_INTRINSICS
7184 mono_simd_intrinsics_init ();
7187 #if MONO_SUPPORT_TASKLETS
7188 mono_tasklets_init ();
7191 if (mono_compile_aot)
7193 * Avoid running managed code when AOT compiling, since the platform
7194 * might only support aot-only execution.
7196 mono_runtime_set_no_exec (TRUE);
7198 #define JIT_RUNTIME_WORKS
7199 #ifdef JIT_RUNTIME_WORKS
7200 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7201 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7202 mono_thread_attach (domain);
7205 mono_profiler_runtime_initialized ();
7207 MONO_VES_INIT_END ();
7212 MonoJitStats mono_jit_stats = {0};
7215 print_jit_stats (void)
7217 if (mono_jit_stats.enabled) {
7218 g_print ("Mono Jit statistics\n");
7219 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7220 mono_jit_stats.max_ratio_method);
7221 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7222 mono_jit_stats.biggest_method);
7224 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7225 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7226 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7227 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7228 g_print ("Methods: %ld\n", mono_stats.method_count);
7229 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7230 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7231 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7233 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7234 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7235 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7237 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7238 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7239 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7240 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7242 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
7243 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
7244 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
7246 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7247 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7248 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7249 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7250 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7251 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7252 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7253 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7255 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7256 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7257 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7259 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
7260 if (mono_security_cas_enabled ()) {
7261 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7262 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7263 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7264 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7265 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7266 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7269 g_free (mono_jit_stats.max_ratio_method);
7270 mono_jit_stats.max_ratio_method = NULL;
7271 g_free (mono_jit_stats.biggest_method);
7272 mono_jit_stats.biggest_method = NULL;
7277 mini_cleanup (MonoDomain *domain)
7279 mono_runtime_shutdown_stat_profiler ();
7282 cominterop_release_all_rcws ();
7285 #ifndef MONO_CROSS_COMPILE
7287 * mono_domain_finalize () needs to be called early since it needs the
7288 * execution engine still fully working (it may invoke managed finalizers).
7290 mono_domain_finalize (domain, 2000);
7293 /* This accesses metadata so needs to be called before runtime shutdown */
7296 mono_profiler_shutdown ();
7298 #ifndef MONO_CROSS_COMPILE
7299 mono_runtime_cleanup (domain);
7302 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7304 mono_icall_cleanup ();
7306 mono_runtime_cleanup_handlers ();
7308 mono_domain_free (domain, TRUE);
7310 mono_debugger_cleanup ();
7314 mono_llvm_cleanup ();
7317 mono_aot_cleanup ();
7319 mono_trampolines_cleanup ();
7321 mono_unwind_cleanup ();
7323 if (!mono_dont_free_global_codeman)
7324 mono_code_manager_destroy (global_codeman);
7325 g_hash_table_destroy (jit_icall_name_hash);
7326 g_free (emul_opcode_map);
7327 g_free (emul_opcode_opcodes);
7328 g_free (vtable_trampolines);
7330 mono_arch_cleanup ();
7332 mono_generic_sharing_cleanup ();
7336 mono_trace_cleanup ();
7338 mono_counters_dump (-1, stdout);
7340 if (mono_inject_async_exc_method)
7341 mono_method_desc_free (mono_inject_async_exc_method);
7343 mono_native_tls_free (mono_jit_tls_id);
7345 DeleteCriticalSection (&jit_mutex);
7347 DeleteCriticalSection (&mono_delegate_section);
7349 mono_code_manager_cleanup ();
7351 #ifdef USE_JUMP_TABLES
7352 mono_jumptable_cleanup ();
7357 mono_set_defaults (int verbose_level, guint32 opts)
7359 mini_verbose = verbose_level;
7360 mono_set_optimizations (opts);
7364 mono_disable_optimizations (guint32 opts)
7366 default_opt &= ~opts;
7370 mono_set_optimizations (guint32 opts)
7373 default_opt_set = TRUE;
7374 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7375 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7380 mono_set_verbose_level (guint32 level)
7382 mini_verbose = level;
7386 * mono_get_runtime_build_info:
7388 * Return the runtime version + build date in string format.
7389 * The returned string is owned by the caller. The returned string
7390 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7393 mono_get_runtime_build_info (void)
7395 if (mono_build_date)
7396 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7398 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7402 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7404 GHashTable *assemblies = (GHashTable*)user_data;
7405 MonoImage *image = mono_assembly_get_image (ass);
7406 MonoMethod *method, *invoke;
7409 if (g_hash_table_lookup (assemblies, ass))
7412 g_hash_table_insert (assemblies, ass, ass);
7414 if (mini_verbose > 0)
7415 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7417 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7418 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7419 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7423 if (mini_verbose > 1) {
7424 char * desc = mono_method_full_name (method, TRUE);
7425 g_print ("Compiling %d %s\n", count, desc);
7428 mono_compile_method (method);
7429 if (strcmp (method->name, "Finalize") == 0) {
7430 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7431 mono_compile_method (invoke);
7433 #ifndef DISABLE_REMOTING
7434 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
7435 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7436 mono_compile_method (invoke);
7441 /* Load and precompile referenced assemblies as well */
7442 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7443 mono_assembly_load_reference (image, i);
7444 if (image->references [i])
7445 mono_precompile_assembly (image->references [i], assemblies);
7449 void mono_precompile_assemblies ()
7451 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7453 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7455 g_hash_table_destroy (assemblies);
7461 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7462 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7466 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7468 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7469 hole->clause = clause;
7470 hole->start_offset = start - cfg->native_code;
7471 hole->basic_block = bb;
7473 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7477 mono_cfg_set_exception (MonoCompile *cfg, int type)
7479 cfg->exception_type = type;
7484 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
7486 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
7489 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7495 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7497 g_assert_not_reached ();
7502 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
7504 g_assert_not_reached ();
7509 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
7511 g_assert_not_reached ();
7517 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(MONOTOUCH) && !defined(MONO_EXTENSIONS)
7520 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7526 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7534 #ifdef USE_JUMP_TABLES
7535 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
7537 typedef struct MonoJumpTableChunk {
7540 struct MonoJumpTableChunk *previous;
7541 /* gpointer entries[total]; */
7542 } MonoJumpTableChunk;
7544 static MonoJumpTableChunk* g_jumptable = NULL;
7545 #define mono_jumptable_lock() EnterCriticalSection (&jumptable_mutex)
7546 #define mono_jumptable_unlock() LeaveCriticalSection (&jumptable_mutex)
7547 static CRITICAL_SECTION jumptable_mutex;
7549 static MonoJumpTableChunk*
7550 mono_create_jumptable_chunk (guint32 max_entries)
7552 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
7553 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
7554 chunk->total = max_entries;
7559 mono_jumptable_init (void)
7561 if (g_jumptable == NULL) {
7562 InitializeCriticalSection (&jumptable_mutex);
7563 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
7568 mono_jumptable_add_entry (void)
7570 return mono_jumptable_add_entries (1);
7574 mono_jumptable_add_entries (guint32 entries)
7579 mono_jumptable_init ();
7580 mono_jumptable_lock ();
7581 index = g_jumptable->active;
7582 if (index + entries >= g_jumptable->total) {
7584 * Grow jumptable, by adding one more chunk.
7585 * We cannot realloc jumptable, as there could be pointers
7586 * to existing jump table entries in the code, so instead
7587 * we just add one more chunk.
7589 guint32 max_entries = entries;
7590 MonoJumpTableChunk *new_chunk;
7592 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
7593 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
7594 new_chunk = mono_create_jumptable_chunk (max_entries);
7595 /* Link old jumptable, so that we could free it up later. */
7596 new_chunk->previous = g_jumptable;
7597 g_jumptable = new_chunk;
7600 g_jumptable->active = index + entries;
7601 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
7602 mono_jumptable_unlock();
7608 mono_jumptable_cleanup (void)
7611 MonoJumpTableChunk *current = g_jumptable, *prev;
7612 while (current != NULL) {
7613 prev = current->previous;
7618 DeleteCriticalSection (&jumptable_mutex);
7623 mono_jumptable_get_entry (guint8 *code_ptr)
7625 return mono_arch_jumptable_entry_from_code (code_ptr);