2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Copyright 2003-2010 Novell, Inc.
10 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
13 #define MONO_LLVM_IN_MINI 1
23 #ifdef HAVE_SYS_TIME_H
27 #include <mono/utils/memcheck.h>
29 #include <mono/metadata/assembly.h>
30 #include <mono/metadata/loader.h>
31 #include <mono/metadata/tabledefs.h>
32 #include <mono/metadata/class.h>
33 #include <mono/metadata/object.h>
34 #include <mono/metadata/tokentype.h>
35 #include <mono/metadata/tabledefs.h>
36 #include <mono/metadata/threads.h>
37 #include <mono/metadata/appdomain.h>
38 #include <mono/metadata/debug-helpers.h>
39 #include <mono/io-layer/io-layer.h>
40 #include "mono/metadata/profiler.h"
41 #include <mono/metadata/profiler-private.h>
42 #include <mono/metadata/mono-config.h>
43 #include <mono/metadata/environment.h>
44 #include <mono/metadata/mono-debug.h>
45 #include <mono/metadata/gc-internal.h>
46 #include <mono/metadata/threads-types.h>
47 #include <mono/metadata/verify.h>
48 #include <mono/metadata/verify-internals.h>
49 #include <mono/metadata/mempool-internals.h>
50 #include <mono/metadata/attach.h>
51 #include <mono/metadata/runtime.h>
52 #include <mono/utils/mono-math.h>
53 #include <mono/utils/mono-compiler.h>
54 #include <mono/utils/mono-counters.h>
55 #include <mono/utils/mono-logger-internal.h>
56 #include <mono/utils/mono-mmap.h>
57 #include <mono/utils/mono-tls.h>
58 #include <mono/utils/dtrace.h>
61 #include "mini-llvm.h"
68 #include "jit-icalls.h"
70 #include "debug-mini.h"
72 #include "debugger-agent.h"
74 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
77 static guint32 default_opt = 0;
78 static gboolean default_opt_set = FALSE;
80 MonoNativeTlsKey mono_jit_tls_id;
82 #ifdef MONO_HAVE_FAST_TLS
83 MONO_FAST_TLS_DECLARE(mono_jit_tls);
86 #ifndef MONO_ARCH_MONITOR_ENTER_ADJUSTMENT
87 #define MONO_ARCH_MONITOR_ENTER_ADJUSTMENT 1
90 MonoTraceSpec *mono_jit_trace_calls = NULL;
91 gboolean mono_compile_aot = FALSE;
92 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
93 gboolean mono_aot_only = FALSE;
94 /* Whenever to use IMT */
95 #ifdef MONO_ARCH_HAVE_IMT
96 gboolean mono_use_imt = TRUE;
98 gboolean mono_use_imt = FALSE;
100 MonoMethodDesc *mono_inject_async_exc_method = NULL;
101 int mono_inject_async_exc_pos;
102 MonoMethodDesc *mono_break_at_bb_method = NULL;
103 int mono_break_at_bb_bb_num;
104 gboolean mono_do_x86_stack_align = TRUE;
105 const char *mono_build_date;
106 gboolean mono_do_signal_chaining;
107 static gboolean mono_using_xdebug;
108 static int mini_verbose = 0;
111 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
112 * it can load AOT code compiled by LLVM.
114 gboolean mono_use_llvm = FALSE;
116 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
117 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
118 static CRITICAL_SECTION jit_mutex;
120 static MonoCodeManager *global_codeman = NULL;
122 static GHashTable *jit_icall_name_hash = NULL;
124 static MonoDebugOptions debug_options;
126 #ifdef VALGRIND_JIT_REGISTER_MAP
127 static int valgrind_register = 0;
131 * Table written to by the debugger with a 1-based index into the
132 * mono_breakpoint_info table, which contains changes made to
133 * the JIT instructions by the debugger.
136 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
138 /* Whenever to check for pending exceptions in managed-to-native wrappers */
139 gboolean check_for_pending_exc = TRUE;
141 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
142 gboolean disable_vtypes_in_regs = FALSE;
144 gboolean mono_dont_free_global_codeman;
147 mono_realloc_native_code (MonoCompile *cfg)
149 #if defined(__default_codegen__)
150 return g_realloc (cfg->native_code, cfg->code_size);
151 #elif defined(__native_client_codegen__)
153 gpointer native_code;
154 guint alignment_check;
156 /* Save the old alignment offset so we can re-align after the realloc. */
157 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
159 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
160 cfg->code_size + kNaClAlignment );
162 /* Align native_code to next nearest kNaClAlignment byte. */
163 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
164 native_code = (guint)native_code & ~kNaClAlignmentMask;
166 /* Shift the data to be 32-byte aligned again. */
167 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
169 alignment_check = (guint)native_code & kNaClAlignmentMask;
170 g_assert (alignment_check == 0);
173 g_assert_not_reached ();
174 return cfg->native_code;
178 #ifdef __native_client_codegen__
180 /* Prevent instructions from straddling a 32-byte alignment boundary. */
181 /* Instructions longer than 32 bytes must be aligned internally. */
182 /* IN: pcode, instlen */
184 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
187 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
189 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
190 g_assert_not_reached();
191 } else if (instlen > space_in_block) {
192 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
196 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
197 /* IN: start pointer to start of call sequence */
198 /* IN: pcode pointer to end of call sequence (current "IP") */
199 /* OUT: start pointer to the start of the call sequence after padding */
200 /* OUT: pcode pointer to the end of the call sequence after padding */
201 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
202 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
203 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
206 const size_t length = (size_t)((*pcode)-(*start));
207 g_assert(length < MAX_NACL_CALL_LENGTH);
209 memcpy(copy_of_call, *start, length);
210 temp = mono_nacl_pad_call(*start, (guint8)length);
211 memcpy(temp, copy_of_call, length);
213 (*pcode) = temp + length;
216 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
217 /* code pointer to buffer for emitting code */
218 /* ilength length of call instruction */
219 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
220 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
221 int padding = freeSpaceInBlock - ilength;
224 /* There isn't enough space in this block for the instruction. */
225 /* Fill this block and start a new one. */
226 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
227 freeSpaceInBlock = kNaClAlignment;
228 padding = freeSpaceInBlock - ilength;
230 g_assert(ilength > 0);
231 g_assert(padding >= 0);
232 g_assert(padding < kNaClAlignment);
233 if (0 == padding) return code;
234 return mono_arch_nacl_pad(code, padding);
237 guint8 *mono_nacl_align(guint8 *code) {
238 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
239 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
243 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
245 MonoJumpInfo *patch_info;
246 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
247 unsigned char *ip = patch_info->ip.i + code;
248 ip = mono_arch_nacl_skip_nops(ip);
249 patch_info->ip.i = ip - code;
252 #endif /* __native_client_codegen__ */
255 mono_running_on_valgrind (void)
257 if (RUNNING_ON_VALGRIND){
258 #ifdef VALGRIND_JIT_REGISTER_MAP
259 valgrind_register = TRUE;
267 MonoExceptionClause *clause;
268 MonoBasicBlock *basic_block;
278 find_tramp (gpointer key, gpointer value, gpointer user_data)
280 FindTrampUserData *ud = (FindTrampUserData*)user_data;
283 ud->method = (MonoMethod*)key;
287 G_GNUC_UNUSED static char*
288 get_method_from_ip (void *ip)
293 MonoDomain *domain = mono_domain_get ();
294 MonoDebugSourceLocation *location;
295 FindTrampUserData user_data;
298 domain = mono_get_root_domain ();
300 ji = mono_jit_info_table_find (domain, ip);
303 user_data.method = NULL;
304 mono_domain_lock (domain);
305 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
306 mono_domain_unlock (domain);
307 if (user_data.method) {
308 char *mname = mono_method_full_name (user_data.method, TRUE);
309 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
316 method = mono_method_full_name (ji->method, TRUE);
317 /* FIXME: unused ? */
318 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
320 res = g_strdup_printf (" %s + 0x%x (%p %p) [%p - %s]", method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
322 mono_debug_free_source_location (location);
330 * @ip: an instruction pointer address
332 * This method is used from a debugger to get the name of the
333 * method at address @ip. This routine is typically invoked from
334 * a debugger like this:
336 * (gdb) print mono_pmip ($pc)
338 * Returns: the name of the method at address @ip.
343 return get_method_from_ip (ip);
347 * mono_print_method_from_ip
348 * @ip: an instruction pointer address
350 * This method is used from a debugger to get the name of the
351 * method at address @ip.
353 * This prints the name of the method at address @ip in the standard
354 * output. Unlike mono_pmip which returns a string, this routine
355 * prints the value on the standard output.
358 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
359 __attribute__((used))
362 mono_print_method_from_ip (void *ip)
366 MonoDebugSourceLocation *source;
367 MonoDomain *domain = mono_domain_get ();
368 MonoDomain *target_domain = mono_domain_get ();
369 FindTrampUserData user_data;
370 MonoGenericSharingContext*gsctx;
371 const char *shared_type;
373 ji = mini_jit_info_table_find (domain, ip, &target_domain);
376 user_data.method = NULL;
377 mono_domain_lock (domain);
378 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
379 mono_domain_unlock (domain);
380 if (user_data.method) {
381 char *mname = mono_method_full_name (user_data.method, TRUE);
382 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
386 g_print ("No method at %p\n", ip);
390 method = mono_method_full_name (ji->method, TRUE);
391 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
393 gsctx = mono_jit_info_get_generic_sharing_context (ji);
396 if (gsctx->var_is_vt || gsctx->mvar_is_vt)
397 shared_type = "gsharedvt ";
399 shared_type = "gshared ";
402 g_print ("IP %p at offset 0x%x of %smethod %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), shared_type, method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
405 g_print ("%s:%d\n", source->source_file, source->row);
408 mono_debug_free_source_location (source);
413 * mono_method_same_domain:
415 * Determine whenever two compiled methods are in the same domain, thus
416 * the address of the callee can be embedded in the caller.
418 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
420 if (!caller || !callee)
424 * If the call was made from domain-neutral to domain-specific
425 * code, we can't patch the call site.
427 if (caller->domain_neutral && !callee->domain_neutral)
430 if ((caller->method->klass == mono_defaults.appdomain_class) &&
431 (strstr (caller->method->name, "InvokeInDomain"))) {
432 /* The InvokeInDomain methods change the current appdomain */
440 * mono_global_codeman_reserve:
442 * Allocate code memory from the global code manager.
444 void *mono_global_codeman_reserve (int size)
449 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
451 if (!global_codeman) {
452 /* This can happen during startup */
453 global_codeman = mono_code_manager_new ();
454 return mono_code_manager_reserve (global_codeman, size);
458 ptr = mono_code_manager_reserve (global_codeman, size);
464 #if defined(__native_client_codegen__) && defined(__native_client__)
465 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
466 * which we are generating code, return a pointer to the destination in the
467 * dynamic code segment into which the code will be copied when
468 * mono_global_codeman_commit is called.
469 * LOCKING: Acquires the jit lock.
472 nacl_global_codeman_get_dest (void *data)
476 dest = nacl_code_manager_get_code_dest (global_codeman, data);
482 mono_global_codeman_commit (void *data, int size, int newsize)
485 mono_code_manager_commit (global_codeman, data, size, newsize);
490 * Convenience function which calls mono_global_codeman_commit to validate and
491 * copy the code. The caller sets *buf_base and *buf_size to the start and size
492 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
493 * the byte after the last instruction byte. On return, *buf_base will point to
494 * the start of the copied in the code segment, and *code_end will point after
495 * the end of the copied code.
498 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
500 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
501 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
502 *code_end = tmp + (*code_end - *buf_base);
506 /* no-op versions of Native Client functions */
508 nacl_global_codeman_get_dest (void *data)
514 mono_global_codeman_commit (void *data, int size, int newsize)
519 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
523 #endif /* __native_client__ */
526 * mono_create_unwind_op:
528 * Create an unwind op with the given parameters.
531 mono_create_unwind_op (int when, int tag, int reg, int val)
533 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
544 * mono_emit_unwind_op:
546 * Add an unwind op with the given parameters for the list of unwind ops stored in
550 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
552 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
559 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
563 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
565 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
568 res->has_context = context != NULL;
570 memcpy (&res->context, context, sizeof (MonoGenericContext));
576 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
578 return mono_jump_info_token_new2 (mp, image, token, NULL);
582 * mono_tramp_info_create:
584 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
585 * of NAME, JI, and UNWIND_OPS.
588 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
590 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
592 info->name = (char*)name;
594 info->code_size = code_size;
596 info->unwind_ops = unwind_ops;
602 mono_tramp_info_free (MonoTrampInfo *info)
609 for (l = info->unwind_ops; l; l = l->next)
611 g_slist_free (info->unwind_ops);
615 G_GNUC_UNUSED static void
621 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
622 * Set a breakpoint in break_count () to break the last time <x> is done.
624 G_GNUC_UNUSED gboolean
625 mono_debug_count (void)
627 static int count = 0;
630 if (!getenv ("COUNT"))
633 if (count == atoi (getenv ("COUNT"))) {
637 if (count > atoi (getenv ("COUNT"))) {
644 #define MONO_INIT_VARINFO(vi,id) do { \
645 (vi)->range.first_use.pos.bid = 0xffff; \
651 * mono_unlink_bblock:
653 * Unlink two basic blocks.
656 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
662 for (i = 0; i < from->out_count; ++i) {
663 if (to == from->out_bb [i]) {
670 for (i = 0; i < from->out_count; ++i) {
671 if (from->out_bb [i] != to)
672 from->out_bb [pos ++] = from->out_bb [i];
674 g_assert (pos == from->out_count - 1);
679 for (i = 0; i < to->in_count; ++i) {
680 if (from == to->in_bb [i]) {
687 for (i = 0; i < to->in_count; ++i) {
688 if (to->in_bb [i] != from)
689 to->in_bb [pos ++] = to->in_bb [i];
691 g_assert (pos == to->in_count - 1);
697 * mono_bblocks_linked:
699 * Return whenever BB1 and BB2 are linked in the CFG.
702 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
706 for (i = 0; i < bb1->out_count; ++i) {
707 if (bb1->out_bb [i] == bb2)
715 mono_find_block_region_notry (MonoCompile *cfg, int offset)
717 MonoMethodHeader *header = cfg->header;
718 MonoExceptionClause *clause;
721 for (i = 0; i < header->num_clauses; ++i) {
722 clause = &header->clauses [i];
723 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
724 (offset < (clause->handler_offset)))
725 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
727 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
728 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
729 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
730 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
731 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
733 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
741 * mono_get_block_region_notry:
743 * Return the region corresponding to REGION, ignoring try clauses nested inside
747 mono_get_block_region_notry (MonoCompile *cfg, int region)
749 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
750 MonoMethodHeader *header = cfg->header;
753 * This can happen if a try clause is nested inside a finally clause.
755 int clause_index = (region >> 8) - 1;
756 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
758 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
765 mono_find_spvar_for_region (MonoCompile *cfg, int region)
767 region = mono_get_block_region_notry (cfg, region);
769 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
773 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
777 array [*dfn] = start;
778 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
779 for (i = 0; i < start->out_count; ++i) {
780 if (start->out_bb [i]->dfn)
783 start->out_bb [i]->dfn = *dfn;
784 start->out_bb [i]->df_parent = start;
785 array [*dfn] = start->out_bb [i];
786 df_visit (start->out_bb [i], dfn, array);
791 mono_reverse_branch_op (guint32 opcode)
793 static const int reverse_map [] = {
794 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
795 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
797 static const int reverse_fmap [] = {
798 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
799 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
801 static const int reverse_lmap [] = {
802 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
803 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
805 static const int reverse_imap [] = {
806 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
807 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
810 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
811 opcode = reverse_map [opcode - CEE_BEQ];
812 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
813 opcode = reverse_fmap [opcode - OP_FBEQ];
814 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
815 opcode = reverse_lmap [opcode - OP_LBEQ];
816 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
817 opcode = reverse_imap [opcode - OP_IBEQ];
819 g_assert_not_reached ();
825 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
828 return OP_STORE_MEMBASE_REG;
831 switch (type->type) {
834 case MONO_TYPE_BOOLEAN:
835 return OP_STOREI1_MEMBASE_REG;
839 return OP_STOREI2_MEMBASE_REG;
842 return OP_STOREI4_MEMBASE_REG;
846 case MONO_TYPE_FNPTR:
847 return OP_STORE_MEMBASE_REG;
848 case MONO_TYPE_CLASS:
849 case MONO_TYPE_STRING:
850 case MONO_TYPE_OBJECT:
851 case MONO_TYPE_SZARRAY:
852 case MONO_TYPE_ARRAY:
853 return OP_STORE_MEMBASE_REG;
856 return OP_STOREI8_MEMBASE_REG;
858 return OP_STORER4_MEMBASE_REG;
860 return OP_STORER8_MEMBASE_REG;
861 case MONO_TYPE_VALUETYPE:
862 if (type->data.klass->enumtype) {
863 type = mono_class_enum_basetype (type->data.klass);
866 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
867 return OP_STOREX_MEMBASE;
868 return OP_STOREV_MEMBASE;
869 case MONO_TYPE_TYPEDBYREF:
870 return OP_STOREV_MEMBASE;
871 case MONO_TYPE_GENERICINST:
872 type = &type->data.generic_class->container_class->byval_arg;
876 if (mini_type_var_is_vt (cfg, type))
877 return OP_STOREV_MEMBASE;
879 return OP_STORE_MEMBASE_REG;
881 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
887 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
890 return OP_LOAD_MEMBASE;
892 type = mono_type_get_underlying_type (type);
894 switch (type->type) {
896 return OP_LOADI1_MEMBASE;
898 case MONO_TYPE_BOOLEAN:
899 return OP_LOADU1_MEMBASE;
901 return OP_LOADI2_MEMBASE;
904 return OP_LOADU2_MEMBASE;
906 return OP_LOADI4_MEMBASE;
908 return OP_LOADU4_MEMBASE;
912 case MONO_TYPE_FNPTR:
913 return OP_LOAD_MEMBASE;
914 case MONO_TYPE_CLASS:
915 case MONO_TYPE_STRING:
916 case MONO_TYPE_OBJECT:
917 case MONO_TYPE_SZARRAY:
918 case MONO_TYPE_ARRAY:
919 return OP_LOAD_MEMBASE;
922 return OP_LOADI8_MEMBASE;
924 return OP_LOADR4_MEMBASE;
926 return OP_LOADR8_MEMBASE;
927 case MONO_TYPE_VALUETYPE:
928 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
929 return OP_LOADX_MEMBASE;
930 case MONO_TYPE_TYPEDBYREF:
931 return OP_LOADV_MEMBASE;
932 case MONO_TYPE_GENERICINST:
933 if (mono_type_generic_inst_is_valuetype (type))
934 return OP_LOADV_MEMBASE;
936 return OP_LOAD_MEMBASE;
940 g_assert (cfg->generic_sharing_context);
941 if (mini_type_var_is_vt (cfg, type))
942 return OP_LOADV_MEMBASE;
944 return OP_LOAD_MEMBASE;
946 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
952 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
954 if (cfg->generic_sharing_context && !type->byref) {
955 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
956 if (mini_type_var_is_vt (cfg, type))
959 return CEE_LDIND_REF;
962 return mono_type_to_ldind (type);
968 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
970 if (cfg->generic_sharing_context && !type->byref) {
971 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
972 if (mini_type_var_is_vt (cfg, type))
975 return CEE_STIND_REF;
978 return mono_type_to_stind (type);
982 mono_op_imm_to_op (int opcode)
986 #if SIZEOF_REGISTER == 4
1002 #if SIZEOF_REGISTER == 4
1008 #if SIZEOF_REGISTER == 4
1014 #if SIZEOF_REGISTER == 4
1039 case OP_ISHR_UN_IMM:
1041 case OP_LSHR_UN_IMM:
1045 case OP_IDIV_UN_IMM:
1047 case OP_IREM_UN_IMM:
1052 #if SIZEOF_REGISTER == 4
1058 #if SIZEOF_REGISTER == 4
1075 case OP_COMPARE_IMM:
1077 case OP_ICOMPARE_IMM:
1079 case OP_LOCALLOC_IMM:
1082 printf ("%s\n", mono_inst_name (opcode));
1083 g_assert_not_reached ();
1089 * mono_decompose_op_imm:
1091 * Replace the OP_.._IMM INS with its non IMM variant.
1094 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1098 MONO_INST_NEW (cfg, temp, OP_ICONST);
1099 temp->inst_c0 = ins->inst_imm;
1100 temp->dreg = mono_alloc_ireg (cfg);
1101 mono_bblock_insert_before_ins (bb, ins, temp);
1102 ins->opcode = mono_op_imm_to_op (ins->opcode);
1103 if (ins->opcode == OP_LOCALLOC)
1104 ins->sreg1 = temp->dreg;
1106 ins->sreg2 = temp->dreg;
1108 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1114 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1116 if (vreg >= cfg->vreg_to_inst_len) {
1117 MonoInst **tmp = cfg->vreg_to_inst;
1118 int size = cfg->vreg_to_inst_len;
1120 while (vreg >= cfg->vreg_to_inst_len)
1121 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1122 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1124 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1126 cfg->vreg_to_inst [vreg] = inst;
1129 #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)))
1130 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1135 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1143 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1146 int num = cfg->num_varinfo;
1149 if ((num + 1) >= cfg->varinfo_count) {
1150 int orig_count = cfg->varinfo_count;
1151 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1152 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1153 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1154 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1157 cfg->stat_allocate_var++;
1159 MONO_INST_NEW (cfg, inst, opcode);
1160 inst->inst_c0 = num;
1161 inst->inst_vtype = type;
1162 inst->klass = mono_class_from_mono_type (type);
1163 type_to_eval_stack_type (cfg, type, inst);
1164 /* if set to 1 the variable is native */
1165 inst->backend.is_pinvoke = 0;
1168 if (inst->klass->exception_type)
1169 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1171 if (cfg->compute_gc_maps) {
1173 mono_mark_vreg_as_mp (cfg, vreg);
1175 MonoType *t = mini_type_get_underlying_type (NULL, type);
1176 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1177 inst->flags |= MONO_INST_GC_TRACK;
1178 mono_mark_vreg_as_ref (cfg, vreg);
1183 cfg->varinfo [num] = inst;
1185 MONO_INIT_VARINFO (&cfg->vars [num], num);
1186 MONO_VARINFO (cfg, num)->vreg = vreg;
1189 set_vreg_to_inst (cfg, vreg, inst);
1191 #if SIZEOF_REGISTER == 4
1192 #ifdef MONO_ARCH_SOFT_FLOAT
1193 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1195 regpair = mono_type_is_long (type);
1205 * These two cannot be allocated using create_var_for_vreg since that would
1206 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1210 * Set flags to VOLATILE so SSA skips it.
1213 if (cfg->verbose_level >= 4) {
1214 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1217 #ifdef MONO_ARCH_SOFT_FLOAT
1218 if (cfg->opt & MONO_OPT_SSA) {
1219 if (mono_type_is_float (type))
1220 inst->flags = MONO_INST_VOLATILE;
1224 /* Allocate a dummy MonoInst for the first vreg */
1225 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1226 tree->dreg = inst->dreg + 1;
1227 if (cfg->opt & MONO_OPT_SSA)
1228 tree->flags = MONO_INST_VOLATILE;
1229 tree->inst_c0 = num;
1230 tree->type = STACK_I4;
1231 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1232 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1234 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1236 /* Allocate a dummy MonoInst for the second vreg */
1237 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1238 tree->dreg = inst->dreg + 2;
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 + 2, tree);
1250 if (cfg->verbose_level > 2)
1251 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1256 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1260 if (mono_type_is_long (type))
1261 dreg = mono_alloc_dreg (cfg, STACK_I8);
1262 #ifdef MONO_ARCH_SOFT_FLOAT
1263 else if (mono_type_is_float (type))
1264 dreg = mono_alloc_dreg (cfg, STACK_R8);
1267 /* All the others are unified */
1268 dreg = mono_alloc_preg (cfg);
1270 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1274 * Transform a MonoInst into a load from the variable of index var_index.
1277 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1278 memset (dest, 0, sizeof (MonoInst));
1279 dest->inst_i0 = cfg->varinfo [var_index];
1280 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1281 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1282 dest->klass = dest->inst_i0->klass;
1288 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1290 if (vreg >= cfg->vreg_is_ref_len) {
1291 gboolean *tmp = cfg->vreg_is_ref;
1292 int size = cfg->vreg_is_ref_len;
1294 while (vreg >= cfg->vreg_is_ref_len)
1295 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1296 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1298 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1300 cfg->vreg_is_ref [vreg] = TRUE;
1304 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1306 if (vreg >= cfg->vreg_is_mp_len) {
1307 gboolean *tmp = cfg->vreg_is_mp;
1308 int size = cfg->vreg_is_mp_len;
1310 while (vreg >= cfg->vreg_is_mp_len)
1311 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1312 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1314 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1316 cfg->vreg_is_mp [vreg] = TRUE;
1320 type_from_stack_type (MonoInst *ins) {
1321 switch (ins->type) {
1322 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1323 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1324 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1325 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1328 * this if used to be commented without any specific reason, but
1329 * it breaks #80235 when commented
1332 return &ins->klass->this_arg;
1334 return &mono_defaults.object_class->this_arg;
1336 /* ins->klass may not be set for ldnull.
1337 * Also, if we have a boxed valuetype, we want an object lass,
1338 * not the valuetype class
1340 if (ins->klass && !ins->klass->valuetype)
1341 return &ins->klass->byval_arg;
1342 return &mono_defaults.object_class->byval_arg;
1343 case STACK_VTYPE: return &ins->klass->byval_arg;
1345 g_error ("stack type %d to montype not handled\n", ins->type);
1351 mono_type_from_stack_type (MonoInst *ins) {
1352 return type_from_stack_type (ins);
1356 * mono_add_ins_to_end:
1358 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1361 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1366 MONO_ADD_INS (bb, inst);
1370 switch (bb->last_ins->opcode) {
1384 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1387 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1388 /* Need to insert the ins before the compare */
1389 if (bb->code == bb->last_ins) {
1390 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1394 if (bb->code->next == bb->last_ins) {
1395 /* Only two instructions */
1396 opcode = bb->code->opcode;
1398 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)) {
1400 mono_bblock_insert_before_ins (bb, bb->code, inst);
1402 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1405 opcode = bb->last_ins->prev->opcode;
1407 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)) {
1409 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1411 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1416 MONO_ADD_INS (bb, inst);
1422 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1424 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1425 MonoJumpInfoBBTable *table;
1427 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1429 table->table_size = num_blocks;
1431 ji->ip.label = label;
1432 ji->type = MONO_PATCH_INFO_SWITCH;
1433 ji->data.table = table;
1434 ji->next = cfg->patch_info;
1435 cfg->patch_info = ji;
1438 static MonoMethodSignature *
1439 mono_get_array_new_va_signature (int arity)
1441 static GHashTable *sighash = NULL;
1442 MonoMethodSignature *res;
1447 sighash = g_hash_table_new (NULL, NULL);
1449 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1454 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1457 #ifdef MONO_ARCH_VARARG_ICALLS
1458 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1459 res->call_convention = MONO_CALL_VARARG;
1463 res->call_convention = MONO_CALL_C;
1466 res->params [0] = &mono_defaults.int_class->byval_arg;
1467 for (i = 0; i < arity; i++)
1468 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1470 res->ret = &mono_defaults.object_class->byval_arg;
1472 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1479 mono_get_array_new_va_icall (int rank)
1481 MonoMethodSignature *esig;
1482 char icall_name [256];
1484 MonoJitICallInfo *info;
1486 /* Need to register the icall so it gets an icall wrapper */
1487 sprintf (icall_name, "ves_array_new_va_%d", rank);
1490 info = mono_find_jit_icall_by_name (icall_name);
1492 esig = mono_get_array_new_va_signature (rank);
1493 name = g_strdup (icall_name);
1494 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1496 g_hash_table_insert (jit_icall_name_hash, name, name);
1504 mini_class_is_system_array (MonoClass *klass)
1506 if (klass->parent == mono_defaults.array_class)
1513 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1515 MonoAssembly *assembly = method->klass->image->assembly;
1516 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1518 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1520 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1522 return mono_assembly_has_skip_verification (assembly);
1526 * mini_method_verify:
1528 * Verify the method using the new verfier.
1530 * Returns true if the method is invalid.
1533 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1536 gboolean is_fulltrust;
1537 MonoLoaderError *error;
1539 if (method->verification_success)
1542 if (!mono_verifier_is_enabled_for_method (method))
1545 /*skip verification implies the assembly must be */
1546 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1548 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1550 if ((error = mono_loader_get_last_error ())) {
1552 cfg->exception_type = error->exception_type;
1554 mono_loader_clear_error ();
1556 mono_free_verify_list (res);
1561 for (tmp = res; tmp; tmp = tmp->next) {
1562 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1563 if (info->info.status == MONO_VERIFY_ERROR) {
1565 char *method_name = mono_method_full_name (method, TRUE);
1566 cfg->exception_type = info->exception_type;
1567 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1568 g_free (method_name);
1570 mono_free_verify_list (res);
1573 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1575 char *method_name = mono_method_full_name (method, TRUE);
1576 cfg->exception_type = info->exception_type;
1577 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1578 g_free (method_name);
1580 mono_free_verify_list (res);
1584 mono_free_verify_list (res);
1586 method->verification_success = 1;
1590 /*Returns true if something went wrong*/
1592 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1594 MonoMethod *method_definition = method;
1595 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1597 while (method_definition->is_inflated) {
1598 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1599 method_definition = imethod->declaring;
1602 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1605 static gconstpointer
1606 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1609 MonoMethod *wrapper;
1610 gconstpointer trampoline;
1611 MonoDomain *domain = mono_get_root_domain ();
1613 if (callinfo->wrapper) {
1614 return callinfo->wrapper;
1617 if (callinfo->trampoline)
1618 return callinfo->trampoline;
1621 * We use the lock on the root domain instead of the JIT lock to protect
1622 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1624 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1625 mono_domain_lock (domain);
1627 if (callinfo->trampoline) {
1628 mono_domain_unlock (domain);
1629 mono_loader_unlock ();
1630 return callinfo->trampoline;
1633 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1634 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1638 trampoline = mono_compile_method (wrapper);
1640 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1641 mono_register_jit_icall_wrapper (callinfo, trampoline);
1643 callinfo->trampoline = trampoline;
1645 mono_domain_unlock (domain);
1646 mono_loader_unlock ();
1648 return callinfo->trampoline;
1652 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1654 return mono_icall_get_wrapper_full (callinfo, FALSE);
1658 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1660 if (!domain_jit_info (domain)->dynamic_code_hash)
1661 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1662 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1665 static MonoJitDynamicMethodInfo*
1666 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1668 MonoJitDynamicMethodInfo *res;
1670 if (domain_jit_info (domain)->dynamic_code_hash)
1671 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1679 GList *active, *inactive;
1684 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1686 MonoMethodVar *v1 = (MonoMethodVar*)a;
1687 MonoMethodVar *v2 = (MonoMethodVar*)b;
1691 else if (v1->interval->range && v2->interval->range)
1692 return v1->interval->range->from - v2->interval->range->from;
1693 else if (v1->interval->range)
1702 #define LSCAN_DEBUG(a) do { a; } while (0)
1704 #define LSCAN_DEBUG(a)
1708 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1710 int i, slot, offset, size;
1715 GList *vars = NULL, *l, *unhandled;
1716 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1719 gboolean reuse_slot;
1721 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1723 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1724 vtype_stack_slots = NULL;
1727 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1728 for (i = 0; i < cfg->num_varinfo; ++i)
1731 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1732 inst = cfg->varinfo [i];
1733 vmv = MONO_VARINFO (cfg, i);
1735 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1738 vars = g_list_prepend (vars, vmv);
1741 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1746 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1747 MonoMethodVar *current = unhandled->data;
1749 if (current->interval->range) {
1750 g_assert (current->interval->range->from >= i);
1751 i = current->interval->range->from;
1758 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1759 MonoMethodVar *current = unhandled->data;
1762 inst = cfg->varinfo [vmv->idx];
1764 t = mono_type_get_underlying_type (inst->inst_vtype);
1765 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1766 t = mini_get_gsharedvt_alloc_type_for_type (cfg, t);
1768 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1769 * pinvoke wrappers when they call functions returning structures */
1770 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1771 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1776 size = mono_type_size (t, &ialign);
1779 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1784 if (cfg->disable_reuse_stack_slots)
1788 case MONO_TYPE_GENERICINST:
1789 if (!mono_type_generic_inst_is_valuetype (t)) {
1790 slot_info = &scalar_stack_slots [t->type];
1794 case MONO_TYPE_VALUETYPE:
1795 if (!vtype_stack_slots)
1796 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1797 for (i = 0; i < nvtypes; ++i)
1798 if (t->data.klass == vtype_stack_slots [i].vtype)
1801 slot_info = &vtype_stack_slots [i];
1803 g_assert (nvtypes < 256);
1804 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1805 slot_info = &vtype_stack_slots [nvtypes];
1808 if (cfg->disable_reuse_ref_stack_slots)
1815 #if SIZEOF_VOID_P == 4
1820 if (cfg->disable_ref_noref_stack_slot_share) {
1821 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1826 case MONO_TYPE_CLASS:
1827 case MONO_TYPE_OBJECT:
1828 case MONO_TYPE_ARRAY:
1829 case MONO_TYPE_SZARRAY:
1830 case MONO_TYPE_STRING:
1831 /* Share non-float stack slots of the same size */
1832 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1833 if (cfg->disable_reuse_ref_stack_slots)
1838 slot_info = &scalar_stack_slots [t->type];
1842 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1846 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1848 if (!current->interval->range) {
1849 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1853 inst->flags |= MONO_INST_IS_DEAD;
1858 pos = current->interval->range->from;
1860 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1861 if (current->interval->range)
1862 LSCAN_DEBUG (mono_linterval_print (current->interval));
1863 LSCAN_DEBUG (printf ("\n"));
1865 /* Check for intervals in active which expired or inactive */
1867 /* FIXME: Optimize this */
1870 for (l = slot_info->active; l != NULL; l = l->next) {
1871 MonoMethodVar *v = (MonoMethodVar*)l->data;
1873 if (v->interval->last_range->to < pos) {
1874 slot_info->active = g_list_delete_link (slot_info->active, l);
1875 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1876 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1880 else if (!mono_linterval_covers (v->interval, pos)) {
1881 slot_info->inactive = g_list_append (slot_info->inactive, v);
1882 slot_info->active = g_list_delete_link (slot_info->active, l);
1883 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1890 /* Check for intervals in inactive which expired or active */
1892 /* FIXME: Optimize this */
1895 for (l = slot_info->inactive; l != NULL; l = l->next) {
1896 MonoMethodVar *v = (MonoMethodVar*)l->data;
1898 if (v->interval->last_range->to < pos) {
1899 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1900 // FIXME: Enabling this seems to cause impossible to debug crashes
1901 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1902 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1906 else if (mono_linterval_covers (v->interval, pos)) {
1907 slot_info->active = g_list_append (slot_info->active, v);
1908 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1909 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1917 * This also handles the case when the variable is used in an
1918 * exception region, as liveness info is not computed there.
1921 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1924 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1925 if (slot_info->slots) {
1926 slot = GPOINTER_TO_INT (slot_info->slots->data);
1928 slot_info->slots = slot_info->slots->next;
1931 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1933 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1939 static int count = 0;
1942 if (count == atoi (getenv ("COUNT3")))
1943 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1944 if (count > atoi (getenv ("COUNT3")))
1947 mono_print_ins (inst);
1952 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1954 if (inst->flags & MONO_INST_LMF) {
1955 size = sizeof (MonoLMF);
1956 align = sizeof (mgreg_t);
1963 if (slot == 0xffffff) {
1965 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1966 * efficient copying (and to work around the fact that OP_MEMCPY
1967 * and OP_MEMSET ignores alignment).
1969 if (MONO_TYPE_ISSTRUCT (t)) {
1970 align = MAX (align, sizeof (gpointer));
1971 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1976 offset += align - 1;
1977 offset &= ~(align - 1);
1981 offset += align - 1;
1982 offset &= ~(align - 1);
1987 if (*stack_align == 0)
1988 *stack_align = align;
1991 offsets [vmv->idx] = slot;
1994 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1995 if (scalar_stack_slots [i].active)
1996 g_list_free (scalar_stack_slots [i].active);
1998 for (i = 0; i < nvtypes; ++i) {
1999 if (vtype_stack_slots [i].active)
2000 g_list_free (vtype_stack_slots [i].active);
2003 cfg->stat_locals_stack_size += offset;
2005 *stack_size = offset;
2010 * mono_allocate_stack_slots:
2012 * Allocate stack slots for all non register allocated variables using a
2013 * linear scan algorithm.
2014 * Returns: an array of stack offsets.
2015 * STACK_SIZE is set to the amount of stack space needed.
2016 * STACK_ALIGN is set to the alignment needed by the locals area.
2019 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2021 int i, slot, offset, size;
2026 GList *vars = NULL, *l;
2027 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2030 gboolean reuse_slot;
2032 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2033 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2035 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2036 vtype_stack_slots = NULL;
2039 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2040 for (i = 0; i < cfg->num_varinfo; ++i)
2043 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2044 inst = cfg->varinfo [i];
2045 vmv = MONO_VARINFO (cfg, i);
2047 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2050 vars = g_list_prepend (vars, vmv);
2053 vars = mono_varlist_sort (cfg, vars, 0);
2055 *stack_align = sizeof(mgreg_t);
2056 for (l = vars; l; l = l->next) {
2058 inst = cfg->varinfo [vmv->idx];
2060 t = mono_type_get_underlying_type (inst->inst_vtype);
2061 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2062 t = mini_get_gsharedvt_alloc_type_for_type (cfg, t);
2064 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2065 * pinvoke wrappers when they call functions returning structures */
2066 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2067 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2071 size = mono_type_size (t, &ialign);
2074 if (mono_class_from_mono_type (t)->exception_type)
2075 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2077 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2082 if (cfg->disable_reuse_stack_slots)
2086 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2089 case MONO_TYPE_GENERICINST:
2090 if (!mono_type_generic_inst_is_valuetype (t)) {
2091 slot_info = &scalar_stack_slots [t->type];
2095 case MONO_TYPE_VALUETYPE:
2096 if (!vtype_stack_slots)
2097 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2098 for (i = 0; i < nvtypes; ++i)
2099 if (t->data.klass == vtype_stack_slots [i].vtype)
2102 slot_info = &vtype_stack_slots [i];
2104 g_assert (nvtypes < 256);
2105 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2106 slot_info = &vtype_stack_slots [nvtypes];
2109 if (cfg->disable_reuse_ref_stack_slots)
2116 #if SIZEOF_VOID_P == 4
2121 if (cfg->disable_ref_noref_stack_slot_share) {
2122 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2127 case MONO_TYPE_CLASS:
2128 case MONO_TYPE_OBJECT:
2129 case MONO_TYPE_ARRAY:
2130 case MONO_TYPE_SZARRAY:
2131 case MONO_TYPE_STRING:
2132 /* Share non-float stack slots of the same size */
2133 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2134 if (cfg->disable_reuse_ref_stack_slots)
2138 case MONO_TYPE_MVAR:
2139 slot_info = &scalar_stack_slots [t->type];
2142 slot_info = &scalar_stack_slots [t->type];
2148 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2149 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2151 /* expire old intervals in active */
2152 while (slot_info->active) {
2153 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2155 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2158 //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);
2160 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2161 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2165 * This also handles the case when the variable is used in an
2166 * exception region, as liveness info is not computed there.
2169 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2172 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2173 if (slot_info->slots) {
2174 slot = GPOINTER_TO_INT (slot_info->slots->data);
2176 slot_info->slots = slot_info->slots->next;
2179 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2184 static int count = 0;
2188 if (count == atoi (getenv ("COUNT")))
2189 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2190 if (count > atoi (getenv ("COUNT")))
2193 mono_print_ins (inst);
2198 if (inst->flags & MONO_INST_LMF) {
2200 * This variable represents a MonoLMF structure, which has no corresponding
2201 * CLR type, so hard-code its size/alignment.
2203 size = sizeof (MonoLMF);
2204 align = sizeof (mgreg_t);
2211 if (slot == 0xffffff) {
2213 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2214 * efficient copying (and to work around the fact that OP_MEMCPY
2215 * and OP_MEMSET ignores alignment).
2217 if (MONO_TYPE_ISSTRUCT (t)) {
2218 align = MAX (align, sizeof (gpointer));
2219 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2221 * Align the size too so the code generated for passing vtypes in
2222 * registers doesn't overwrite random locals.
2224 size = (size + (align - 1)) & ~(align -1);
2229 offset += align - 1;
2230 offset &= ~(align - 1);
2234 offset += align - 1;
2235 offset &= ~(align - 1);
2240 *stack_align = MAX (*stack_align, align);
2243 offsets [vmv->idx] = slot;
2246 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2247 if (scalar_stack_slots [i].active)
2248 g_list_free (scalar_stack_slots [i].active);
2250 for (i = 0; i < nvtypes; ++i) {
2251 if (vtype_stack_slots [i].active)
2252 g_list_free (vtype_stack_slots [i].active);
2255 cfg->stat_locals_stack_size += offset;
2257 *stack_size = offset;
2264 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2266 g_assert_not_reached ();
2270 #endif /* DISABLE_JIT */
2272 #define EMUL_HIT_SHIFT 3
2273 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2274 /* small hit bitmap cache */
2275 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2276 static short emul_opcode_num = 0;
2277 static short emul_opcode_alloced = 0;
2278 static short *emul_opcode_opcodes = NULL;
2279 static MonoJitICallInfo **emul_opcode_map = NULL;
2282 mono_find_jit_opcode_emulation (int opcode)
2284 g_assert (opcode >= 0 && opcode <= OP_LAST);
2285 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2287 for (i = 0; i < emul_opcode_num; ++i) {
2288 if (emul_opcode_opcodes [i] == opcode)
2289 return emul_opcode_map [i];
2296 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
2298 MonoJitICallInfo *info;
2299 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2301 g_assert (!sig->hasthis);
2302 g_assert (sig->param_count < 3);
2304 info = mono_register_jit_icall (func, name, sig, no_throw);
2306 if (emul_opcode_num >= emul_opcode_alloced) {
2307 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2308 emul_opcode_alloced += incr;
2309 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2310 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2312 emul_opcode_map [emul_opcode_num] = info;
2313 emul_opcode_opcodes [emul_opcode_num] = opcode;
2315 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2319 * For JIT icalls implemented in C.
2320 * NAME should be the same as the name of the C function whose address is FUNC.
2323 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2325 MonoMethodSignature *sig;
2328 sig = mono_create_icall_signature (sigstr);
2332 mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
2336 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2338 MonoMethodSignature *sig;
2341 sig = mono_create_icall_signature (sigstr);
2345 mono_register_jit_icall (func, name, sig, save);
2349 print_dfn (MonoCompile *cfg) {
2356 char *method_name = mono_method_full_name (cfg->method, TRUE);
2357 g_print ("IR code for method %s\n", method_name);
2358 g_free (method_name);
2361 for (i = 0; i < cfg->num_bblocks; ++i) {
2362 bb = cfg->bblocks [i];
2363 /*if (bb->cil_code) {
2364 char* code1, *code2;
2365 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2366 if (bb->last_ins->cil_code)
2367 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2369 code2 = g_strdup ("");
2371 code1 [strlen (code1) - 1] = 0;
2372 code = g_strdup_printf ("%s -> %s", code1, code2);
2376 code = g_strdup ("\n");
2377 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2378 MONO_BB_FOR_EACH_INS (bb, c) {
2379 mono_print_ins_index (-1, c);
2382 g_print ("\tprev:");
2383 for (j = 0; j < bb->in_count; ++j) {
2384 g_print (" BB%d", bb->in_bb [j]->block_num);
2386 g_print ("\t\tsucc:");
2387 for (j = 0; j < bb->out_count; ++j) {
2388 g_print (" BB%d", bb->out_bb [j]->block_num);
2390 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2393 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2396 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2398 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2406 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2408 MONO_ADD_INS (bb, inst);
2412 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2416 bb->code = ins_to_insert;
2418 /* Link with next */
2419 ins_to_insert->next = ins;
2421 ins->prev = ins_to_insert;
2423 if (bb->last_ins == NULL)
2424 bb->last_ins = ins_to_insert;
2426 /* Link with next */
2427 ins_to_insert->next = ins->next;
2429 ins->next->prev = ins_to_insert;
2431 /* Link with previous */
2432 ins->next = ins_to_insert;
2433 ins_to_insert->prev = ins;
2435 if (bb->last_ins == ins)
2436 bb->last_ins = ins_to_insert;
2441 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2446 ins->prev = ins_to_insert;
2447 bb->code = ins_to_insert;
2448 ins_to_insert->next = ins;
2449 if (bb->last_ins == NULL)
2450 bb->last_ins = ins_to_insert;
2452 /* Link with previous */
2454 ins->prev->next = ins_to_insert;
2455 ins_to_insert->prev = ins->prev;
2457 /* Link with next */
2458 ins->prev = ins_to_insert;
2459 ins_to_insert->next = ins;
2461 if (bb->code == ins)
2462 bb->code = ins_to_insert;
2467 * mono_verify_bblock:
2469 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2472 mono_verify_bblock (MonoBasicBlock *bb)
2474 MonoInst *ins, *prev;
2477 for (ins = bb->code; ins; ins = ins->next) {
2478 g_assert (ins->prev == prev);
2482 g_assert (!bb->last_ins->next);
2488 * Perform consistency checks on the JIT data structures and the IR
2491 mono_verify_cfg (MonoCompile *cfg)
2495 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2496 mono_verify_bblock (bb);
2500 mono_destroy_compile (MonoCompile *cfg)
2505 mono_metadata_free_mh (cfg->header);
2506 //mono_mempool_stats (cfg->mempool);
2507 mono_free_loop_info (cfg);
2509 mono_regstate_free (cfg->rs);
2511 g_hash_table_destroy (cfg->spvars);
2513 g_hash_table_destroy (cfg->exvars);
2514 for (l = cfg->headers_to_free; l; l = l->next)
2515 mono_metadata_free_mh (l->data);
2516 g_list_free (cfg->ldstr_list);
2517 g_hash_table_destroy (cfg->token_info_hash);
2518 if (cfg->abs_patches)
2519 g_hash_table_destroy (cfg->abs_patches);
2520 mono_mempool_destroy (cfg->mempool);
2522 mono_debug_free_method (cfg);
2524 g_free (cfg->varinfo);
2526 g_free (cfg->exception_message);
2530 #ifdef MONO_HAVE_FAST_TLS
2531 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2532 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2534 * When this is defined, the current lmf is stored in this tls variable instead of in
2537 MONO_FAST_TLS_DECLARE(mono_lmf);
2542 mono_get_jit_tls_key (void)
2544 return mono_jit_tls_id;
2548 mono_get_jit_tls_offset (void)
2551 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2556 mono_get_lmf_tls_offset (void)
2558 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2560 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2568 mono_get_lmf_addr_tls_offset (void)
2571 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2578 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2579 return MONO_FAST_TLS_GET (mono_lmf);
2581 MonoJitTlsData *jit_tls;
2583 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2584 return jit_tls->lmf;
2586 * We do not assert here because this function can be called from
2587 * mini-gc.c on a thread that has not executed any managed code, yet
2588 * (the thread object allocation can trigger a collection).
2595 mono_get_lmf_addr (void)
2597 #ifdef MONO_HAVE_FAST_TLS
2598 return MONO_FAST_TLS_GET (mono_lmf_addr);
2600 MonoJitTlsData *jit_tls;
2602 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2603 if (G_LIKELY (jit_tls))
2604 return &jit_tls->lmf;
2607 * When resolving the call to mono_jit_thread_attach full-aot will look
2608 * in the plt, which causes a call into the generic trampoline, which in turn
2609 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2610 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2611 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2614 mono_jit_thread_attach (NULL);
2616 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2617 return &jit_tls->lmf;
2619 g_assert_not_reached ();
2625 mono_set_lmf (MonoLMF *lmf)
2627 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2628 MONO_FAST_TLS_SET (mono_lmf, lmf);
2631 (*mono_get_lmf_addr ()) = lmf;
2635 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2637 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2639 #ifdef MONO_HAVE_FAST_TLS
2640 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2645 mono_set_lmf_addr (gpointer lmf_addr)
2647 #ifdef MONO_HAVE_FAST_TLS
2648 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2653 * mono_jit_thread_attach:
2655 * Called by native->managed wrappers. Returns the original domain which needs to be
2656 * restored, or NULL.
2659 mono_jit_thread_attach (MonoDomain *domain)
2665 * Happens when called from AOTed code which is only used in the root
2668 domain = mono_get_root_domain ();
2670 #ifdef MONO_HAVE_FAST_TLS
2671 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2672 mono_thread_attach (domain);
2674 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2677 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2678 mono_thread_attach (domain);
2679 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2682 orig = mono_domain_get ();
2684 mono_domain_set (domain, TRUE);
2686 return orig != domain ? orig : NULL;
2689 /* Called by native->managed wrappers */
2691 mono_jit_set_domain (MonoDomain *domain)
2694 mono_domain_set (domain, TRUE);
2698 * mono_thread_abort:
2699 * @obj: exception object
2701 * abort the thread, print exception information and stack trace
2704 mono_thread_abort (MonoObject *obj)
2706 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2708 /* handle_remove should be eventually called for this thread, too
2711 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2712 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2713 mono_thread_exit ();
2715 mono_invoke_unhandled_exception_hook (obj);
2720 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2722 MonoJitTlsData *jit_tls;
2725 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2729 jit_tls = g_new0 (MonoJitTlsData, 1);
2731 jit_tls->abort_func = abort_func;
2732 jit_tls->end_of_stack = stack_start;
2734 mono_set_jit_tls (jit_tls);
2736 lmf = g_new0 (MonoLMF, 1);
2737 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2739 jit_tls->first_lmf = lmf;
2741 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2742 /* jit_tls->lmf is unused */
2743 MONO_FAST_TLS_SET (mono_lmf, lmf);
2744 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2746 mono_set_lmf_addr (&jit_tls->lmf);
2751 mono_setup_altstack (jit_tls);
2757 free_jit_tls_data (MonoJitTlsData *jit_tls)
2759 mono_arch_free_jit_tls_data (jit_tls);
2760 mono_free_altstack (jit_tls);
2762 g_free (jit_tls->first_lmf);
2767 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2769 MonoInternalThread *thread;
2770 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2771 thread = mono_thread_internal_current ();
2772 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2774 thread->jit_data = jit_tls;
2776 mono_arch_cpu_init ();
2779 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2782 mono_thread_abort_dummy (MonoObject *obj)
2784 if (mono_thread_attach_aborted_cb)
2785 mono_thread_attach_aborted_cb (obj);
2787 mono_thread_abort (obj);
2791 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2793 MonoInternalThread *thread;
2794 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2795 thread = mono_thread_internal_current ();
2796 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2798 thread->jit_data = jit_tls;
2799 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2800 mono_runtime_setup_stat_profiler ();
2802 mono_arch_cpu_init ();
2806 mini_thread_cleanup (MonoInternalThread *thread)
2808 MonoJitTlsData *jit_tls = thread->jit_data;
2811 mono_debugger_thread_cleanup (jit_tls);
2813 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2814 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2815 * not a trivial thing.
2817 * The current offender is mono_thread_manage which cleanup threads from the outside.
2819 if (thread == mono_thread_internal_current ())
2820 mono_set_jit_tls (NULL);
2822 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2823 if (mono_get_lmf ()) {
2824 mono_set_lmf (NULL);
2825 mono_set_lmf_addr (NULL);
2828 free_jit_tls_data (jit_tls);
2830 thread->jit_data = NULL;
2835 mono_create_tls_get (MonoCompile *cfg, int offset)
2837 #ifdef MONO_ARCH_HAVE_TLS_GET
2838 if (MONO_ARCH_HAVE_TLS_GET) {
2844 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2845 ins->dreg = mono_alloc_preg (cfg);
2846 ins->inst_offset = offset;
2854 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2856 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2860 mono_get_domain_intrinsic (MonoCompile* cfg)
2862 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2866 mono_get_thread_intrinsic (MonoCompile* cfg)
2868 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2872 mono_get_lmf_intrinsic (MonoCompile* cfg)
2874 return mono_create_tls_get (cfg, mono_get_lmf_tls_offset ());
2878 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2880 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2884 ji->data.target = target;
2885 ji->next = cfg->patch_info;
2887 cfg->patch_info = ji;
2891 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2893 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2897 ji->data.target = target;
2904 mono_remove_patch_info (MonoCompile *cfg, int ip)
2906 MonoJumpInfo **ji = &cfg->patch_info;
2909 if ((*ji)->ip.i == ip)
2912 ji = &((*ji)->next);
2917 * mono_patch_info_dup_mp:
2919 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2922 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2924 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2925 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2927 switch (patch_info->type) {
2928 case MONO_PATCH_INFO_RVA:
2929 case MONO_PATCH_INFO_LDSTR:
2930 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2931 case MONO_PATCH_INFO_LDTOKEN:
2932 case MONO_PATCH_INFO_DECLSEC:
2933 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2934 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2936 case MONO_PATCH_INFO_SWITCH:
2937 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2938 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2939 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2940 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2942 case MONO_PATCH_INFO_RGCTX_FETCH:
2943 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2944 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2945 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2947 case MONO_PATCH_INFO_GSHAREDVT_CALL:
2948 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
2949 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
2959 mono_patch_info_hash (gconstpointer data)
2961 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2964 case MONO_PATCH_INFO_RVA:
2965 case MONO_PATCH_INFO_LDSTR:
2966 case MONO_PATCH_INFO_LDTOKEN:
2967 case MONO_PATCH_INFO_DECLSEC:
2968 return (ji->type << 8) | ji->data.token->token;
2969 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2970 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
2971 case MONO_PATCH_INFO_INTERNAL_METHOD:
2972 return (ji->type << 8) | g_str_hash (ji->data.name);
2973 case MONO_PATCH_INFO_VTABLE:
2974 case MONO_PATCH_INFO_CLASS:
2975 case MONO_PATCH_INFO_IID:
2976 case MONO_PATCH_INFO_ADJUSTED_IID:
2977 case MONO_PATCH_INFO_CLASS_INIT:
2978 case MONO_PATCH_INFO_METHODCONST:
2979 case MONO_PATCH_INFO_METHOD:
2980 case MONO_PATCH_INFO_METHOD_JUMP:
2981 case MONO_PATCH_INFO_IMAGE:
2982 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2983 case MONO_PATCH_INFO_FIELD:
2984 case MONO_PATCH_INFO_SFLDA:
2985 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2986 return (ji->type << 8) | (gssize)ji->data.target;
2987 case MONO_PATCH_INFO_GSHAREDVT_CALL:
2988 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
2990 return (ji->type << 8);
2995 * mono_patch_info_equal:
2997 * This might fail to recognize equivalent patches, i.e. floats, so its only
2998 * usable in those cases where this is not a problem, i.e. sharing GOT slots
3002 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
3004 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
3005 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
3007 if (ji1->type != ji2->type)
3010 switch (ji1->type) {
3011 case MONO_PATCH_INFO_RVA:
3012 case MONO_PATCH_INFO_LDSTR:
3013 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3014 case MONO_PATCH_INFO_LDTOKEN:
3015 case MONO_PATCH_INFO_DECLSEC:
3016 if ((ji1->data.token->image != ji2->data.token->image) ||
3017 (ji1->data.token->token != ji2->data.token->token) ||
3018 (ji1->data.token->has_context != ji2->data.token->has_context) ||
3019 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
3020 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
3023 case MONO_PATCH_INFO_INTERNAL_METHOD:
3024 return g_str_equal (ji1->data.name, ji2->data.name);
3025 case MONO_PATCH_INFO_RGCTX_FETCH: {
3026 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3027 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3029 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);
3031 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3032 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
3033 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
3035 return c1->sig == c2->sig && c1->method == c2->method;
3038 if (ji1->data.target != ji2->data.target)
3047 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3049 unsigned char *ip = patch_info->ip.i + code;
3050 gconstpointer target = NULL;
3052 switch (patch_info->type) {
3053 case MONO_PATCH_INFO_BB:
3055 * FIXME: This could be hit for methods without a prolog. Should use -1
3056 * but too much code depends on a 0 initial value.
3058 //g_assert (patch_info->data.bb->native_offset);
3059 target = patch_info->data.bb->native_offset + code;
3061 case MONO_PATCH_INFO_ABS:
3062 target = patch_info->data.target;
3064 case MONO_PATCH_INFO_LABEL:
3065 target = patch_info->data.inst->inst_c0 + code;
3067 case MONO_PATCH_INFO_IP:
3068 #if defined(__native_client__) && defined(__native_client_codegen__)
3069 /* Need to transform to the destination address, it's */
3070 /* emitted as an immediate in the code. */
3071 target = nacl_inverse_modify_patch_target(ip);
3076 case MONO_PATCH_INFO_METHOD_REL:
3077 target = code + patch_info->data.offset;
3079 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3080 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3082 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3083 g_assert_not_reached ();
3085 target = mono_icall_get_wrapper (mi);
3088 case MONO_PATCH_INFO_METHOD_JUMP:
3089 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3090 #if defined(__native_client__) && defined(__native_client_codegen__)
3091 #if defined(TARGET_AMD64)
3092 /* This target is an absolute address, not relative to the */
3093 /* current code being emitted on AMD64. */
3094 target = nacl_inverse_modify_patch_target(target);
3098 case MONO_PATCH_INFO_METHOD:
3099 if (patch_info->data.method == method) {
3102 /* get the trampoline to the method from the domain */
3103 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3106 case MONO_PATCH_INFO_SWITCH: {
3107 gpointer *jump_table;
3110 #if defined(__native_client__) && defined(__native_client_codegen__)
3111 /* This memory will leak, but we don't care if we're */
3112 /* not deleting JIT'd methods anyway */
3113 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3115 if (method && method->dynamic) {
3116 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3118 if (mono_aot_only) {
3119 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3121 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3126 for (i = 0; i < patch_info->data.table->table_size; i++) {
3127 #if defined(__native_client__) && defined(__native_client_codegen__)
3128 /* 'code' is relative to the current code blob, we */
3129 /* need to do this transform on it to make the */
3130 /* pointers in this table absolute */
3131 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3133 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3137 #if defined(__native_client__) && defined(__native_client_codegen__)
3138 /* jump_table is in the data section, we need to transform */
3139 /* it here so when it gets modified in amd64_patch it will */
3140 /* then point back to the absolute data address */
3141 target = nacl_inverse_modify_patch_target (jump_table);
3143 target = jump_table;
3147 case MONO_PATCH_INFO_METHODCONST:
3148 case MONO_PATCH_INFO_CLASS:
3149 case MONO_PATCH_INFO_IMAGE:
3150 case MONO_PATCH_INFO_FIELD:
3151 case MONO_PATCH_INFO_SIGNATURE:
3152 target = patch_info->data.target;
3154 case MONO_PATCH_INFO_IID:
3155 mono_class_init (patch_info->data.klass);
3156 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3158 case MONO_PATCH_INFO_ADJUSTED_IID:
3159 mono_class_init (patch_info->data.klass);
3160 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3162 case MONO_PATCH_INFO_VTABLE:
3163 target = mono_class_vtable (domain, patch_info->data.klass);
3166 case MONO_PATCH_INFO_CLASS_INIT: {
3167 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3170 target = mono_create_class_init_trampoline (vtable);
3173 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3174 target = mono_create_delegate_trampoline (domain, patch_info->data.klass);
3176 case MONO_PATCH_INFO_SFLDA: {
3177 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3179 if (mono_class_field_is_special_static (patch_info->data.field)) {
3180 gpointer addr = NULL;
3182 mono_domain_lock (domain);
3183 if (domain->special_static_fields)
3184 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3185 mono_domain_unlock (domain);
3191 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3192 /* Done by the generated code */
3196 mono_runtime_class_init (vtable);
3198 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3201 case MONO_PATCH_INFO_RVA: {
3202 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3205 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3206 target = mono_image_rva_map (patch_info->data.token->image, rva);
3209 case MONO_PATCH_INFO_R4:
3210 case MONO_PATCH_INFO_R8:
3211 target = patch_info->data.target;
3213 case MONO_PATCH_INFO_EXC_NAME:
3214 target = patch_info->data.name;
3216 case MONO_PATCH_INFO_LDSTR:
3218 mono_ldstr (domain, patch_info->data.token->image,
3219 mono_metadata_token_index (patch_info->data.token->token));
3221 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3223 MonoClass *handle_class;
3225 handle = mono_ldtoken (patch_info->data.token->image,
3226 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3227 mono_class_init (handle_class);
3228 mono_class_init (mono_class_from_mono_type (handle));
3231 mono_type_get_object (domain, handle);
3234 case MONO_PATCH_INFO_LDTOKEN: {
3236 MonoClass *handle_class;
3238 handle = mono_ldtoken (patch_info->data.token->image,
3239 patch_info->data.token->token, &handle_class, NULL);
3240 mono_class_init (handle_class);
3245 case MONO_PATCH_INFO_DECLSEC:
3246 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3248 case MONO_PATCH_INFO_ICALL_ADDR:
3249 /* run_cctors == 0 -> AOT */
3250 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3251 const char *exc_class;
3252 const char *exc_arg;
3255 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3258 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3259 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));
3265 target = mono_lookup_internal_call (patch_info->data.method);
3267 if (!target && run_cctors)
3268 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3271 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3272 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3274 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3275 g_assert_not_reached ();
3280 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3281 target = mono_thread_interruption_request_flag ();
3283 case MONO_PATCH_INFO_METHOD_RGCTX: {
3284 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3287 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3290 case MONO_PATCH_INFO_BB_OVF:
3291 case MONO_PATCH_INFO_EXC_OVF:
3292 case MONO_PATCH_INFO_GOT_OFFSET:
3293 case MONO_PATCH_INFO_NONE:
3295 case MONO_PATCH_INFO_RGCTX_FETCH: {
3296 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3299 switch (entry->data->type) {
3300 case MONO_PATCH_INFO_CLASS:
3301 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));
3303 case MONO_PATCH_INFO_METHOD:
3304 case MONO_PATCH_INFO_METHODCONST:
3305 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));
3307 case MONO_PATCH_INFO_FIELD:
3308 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));
3310 case MONO_PATCH_INFO_SIGNATURE:
3311 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));
3313 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3314 MonoJumpInfoGSharedVtCall *call_info = mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
3316 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3317 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
3321 g_assert_not_reached ();
3325 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3328 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3329 target = mono_create_generic_class_init_trampoline ();
3331 case MONO_PATCH_INFO_MONITOR_ENTER:
3332 target = mono_create_monitor_enter_trampoline ();
3334 case MONO_PATCH_INFO_MONITOR_EXIT:
3335 target = mono_create_monitor_exit_trampoline ();
3337 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3338 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3340 /* AOT, not needed */
3343 target = mono_arch_get_seq_point_info (domain, code);
3346 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3347 #ifdef MONO_ARCH_LLVM_SUPPORTED
3348 g_assert (mono_use_llvm);
3349 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3351 g_assert_not_reached ();
3354 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3355 int card_table_shift_bits;
3356 gpointer card_table_mask;
3358 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3361 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3362 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3365 case MONO_PATCH_INFO_JIT_TLS_ID: {
3366 target = (gpointer)mono_jit_tls_id;
3370 g_assert_not_reached ();
3373 return (gpointer)target;
3377 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3379 ins->inst_offset = native_offset;
3380 g_ptr_array_add (cfg->seq_points, ins);
3381 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3382 bb->last_seq_point = ins;
3386 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3388 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3391 g_assert (offset == 0);
3393 entry->is_reg = is_reg;
3395 entry->offset = offset;
3399 if (var == cfg->args [0])
3400 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3401 else if (var == cfg->rgctx_var)
3402 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3408 mono_compile_create_vars (MonoCompile *cfg)
3410 MonoMethodSignature *sig;
3411 MonoMethodHeader *header;
3414 header = cfg->header;
3416 sig = mono_method_signature (cfg->method);
3418 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3419 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3420 /* Inhibit optimizations */
3421 cfg->ret->flags |= MONO_INST_VOLATILE;
3423 if (cfg->verbose_level > 2)
3424 g_print ("creating vars\n");
3426 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3429 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3431 for (i = 0; i < sig->param_count; ++i) {
3432 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3435 if (cfg->verbose_level > 2) {
3437 printf ("\treturn : ");
3438 mono_print_ins (cfg->ret);
3442 printf ("\tthis: ");
3443 mono_print_ins (cfg->args [0]);
3446 for (i = 0; i < sig->param_count; ++i) {
3447 printf ("\targ [%d]: ", i);
3448 mono_print_ins (cfg->args [i + sig->hasthis]);
3452 cfg->locals_start = cfg->num_varinfo;
3453 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3455 if (cfg->verbose_level > 2)
3456 g_print ("creating locals\n");
3458 for (i = 0; i < header->num_locals; ++i)
3459 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3461 if (cfg->verbose_level > 2)
3462 g_print ("locals done\n");
3464 mono_arch_create_vars (cfg);
3468 mono_print_code (MonoCompile *cfg, const char* msg)
3472 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3473 mono_print_bb (bb, msg);
3477 mono_postprocess_patches (MonoCompile *cfg)
3479 MonoJumpInfo *patch_info;
3482 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3483 switch (patch_info->type) {
3484 case MONO_PATCH_INFO_ABS: {
3485 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3488 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3492 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3493 // FIXME: CLEAN UP THIS MESS.
3494 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
3495 strstr (cfg->method->name, info->name)) {
3497 * This is an icall wrapper, and this is a call to the
3500 if (cfg->compile_aot) {
3501 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
3502 patch_info->data.name = info->name;
3505 /* for these array methods we currently register the same function pointer
3506 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3507 * will return the incorrect one depending on the order they are registered.
3508 * See tests/test-arr.cs
3510 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3511 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3512 patch_info->data.name = info->name;
3517 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3518 if (cfg->abs_patches) {
3519 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3521 patch_info->type = abs_ji->type;
3522 patch_info->data.target = abs_ji->data.target;
3529 case MONO_PATCH_INFO_SWITCH: {
3531 #if defined(__native_client__) && defined(__native_client_codegen__)
3532 /* This memory will leak. */
3533 /* TODO: can we free this when */
3534 /* making the final jump table? */
3535 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3537 if (cfg->method->dynamic) {
3538 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3540 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3544 for (i = 0; i < patch_info->data.table->table_size; i++) {
3545 /* Might be NULL if the switch is eliminated */
3546 if (patch_info->data.table->table [i]) {
3547 g_assert (patch_info->data.table->table [i]->native_offset);
3548 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3553 patch_info->data.table->table = (MonoBasicBlock**)table;
3556 case MONO_PATCH_INFO_METHOD_JUMP: {
3557 MonoJumpList *jlist;
3558 MonoDomain *domain = cfg->domain;
3559 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3560 #if defined(__native_client__) && defined(__native_client_codegen__)
3561 /* When this jump target gets evaluated, the method */
3562 /* will be installed in the dynamic code section, */
3563 /* not at the location of cfg->native_code. */
3564 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3567 mono_domain_lock (domain);
3568 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3570 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3571 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3573 jlist->list = g_slist_prepend (jlist->list, ip);
3574 mono_domain_unlock (domain);
3585 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3588 MonoBasicBlock *in_bb;
3591 for (i = 0; i < bb->in_count; ++i) {
3592 in_bb = bb->in_bb [i];
3594 if (in_bb->last_seq_point) {
3595 int src_index = in_bb->last_seq_point->backend.size;
3596 int dst_index = ins->backend.size;
3598 /* bb->in_bb might contain duplicates */
3599 for (l = next [src_index]; l; l = l->next)
3600 if (GPOINTER_TO_UINT (l->data) == dst_index)
3603 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
3605 /* Have to look at its predecessors */
3607 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3613 mono_save_seq_point_info (MonoCompile *cfg)
3616 GSList *bb_seq_points, *l;
3618 MonoDomain *domain = cfg->domain;
3620 MonoSeqPointInfo *info;
3623 if (!cfg->seq_points)
3626 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3627 info->len = cfg->seq_points->len;
3628 for (i = 0; i < cfg->seq_points->len; ++i) {
3629 SeqPoint *sp = &info->seq_points [i];
3630 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3632 sp->il_offset = ins->inst_imm;
3633 sp->native_offset = ins->inst_offset;
3636 ins->backend.size = i;
3640 * For each sequence point, compute the list of sequence points immediately
3641 * following it, this is needed to implement 'step over' in the debugger agent.
3643 next = g_new0 (GSList*, cfg->seq_points->len);
3644 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3645 bb_seq_points = g_slist_reverse (bb->seq_points);
3647 for (l = bb_seq_points; l; l = l->next) {
3648 MonoInst *ins = l->data;
3650 if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
3651 /* Used to implement method entry/exit events */
3655 /* Link with the previous seq point in the same bb */
3656 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3658 /* Link with the last bb in the previous bblocks */
3659 collect_pred_seq_points (bb, ins, next, 0);
3665 if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY) {
3666 MonoBasicBlock *bb2;
3667 MonoInst *endfinally_seq_point = NULL;
3670 * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
3672 l = g_slist_last (bb->seq_points);
3674 endfinally_seq_point = l->data;
3676 for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
3677 GSList *l = g_slist_last (bb2->seq_points);
3680 MonoInst *ins = l->data;
3682 if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
3683 next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3689 if (cfg->verbose_level > 2) {
3690 printf ("\nSEQ POINT MAP: \n");
3693 for (i = 0; i < cfg->seq_points->len; ++i) {
3694 SeqPoint *sp = &info->seq_points [i];
3698 sp->next_len = g_slist_length (next [i]);
3699 sp->next = g_new (int, sp->next_len);
3701 if (cfg->verbose_level > 2 && next [i]) {
3702 printf ("\tIL0x%x ->", sp->il_offset);
3703 for (l = next [i]; l; l = l->next) {
3704 next_index = GPOINTER_TO_UINT (l->data);
3705 printf (" IL0x%x", info->seq_points [next_index].il_offset);
3709 for (l = next [i]; l; l = l->next) {
3710 next_index = GPOINTER_TO_UINT (l->data);
3711 sp->next [j ++] = next_index;
3713 g_slist_free (next [i]);
3717 cfg->seq_point_info = info;
3719 // FIXME: dynamic methods
3720 if (!cfg->compile_aot) {
3721 mono_domain_lock (domain);
3722 // FIXME: How can the lookup succeed ?
3723 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3724 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3725 mono_domain_unlock (domain);
3728 g_ptr_array_free (cfg->seq_points, TRUE);
3729 cfg->seq_points = NULL;
3733 mono_codegen (MonoCompile *cfg)
3736 int max_epilog_size;
3738 MonoDomain *code_domain;
3740 if (mono_using_xdebug)
3742 * Recent gdb versions have trouble processing symbol files containing
3743 * overlapping address ranges, so allocate all code from the code manager
3744 * of the root domain. (#666152).
3746 code_domain = mono_get_root_domain ();
3748 code_domain = cfg->domain;
3750 #if defined(__native_client_codegen__) && defined(__native_client__)
3753 /* This keeps patch targets from being transformed during
3754 * ordinary method compilation, for local branches and jumps.
3756 nacl_allow_target_modification (FALSE);
3759 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3760 cfg->spill_count = 0;
3761 /* we reuse dfn here */
3762 /* bb->dfn = bb_count++; */
3764 mono_arch_lowering_pass (cfg, bb);
3766 if (cfg->opt & MONO_OPT_PEEPHOLE)
3767 mono_arch_peephole_pass_1 (cfg, bb);
3770 mono_local_regalloc (cfg, bb);
3772 if (cfg->opt & MONO_OPT_PEEPHOLE)
3773 mono_arch_peephole_pass_2 (cfg, bb);
3776 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3777 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3779 code = mono_arch_emit_prolog (cfg);
3781 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3782 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3784 cfg->code_len = code - cfg->native_code;
3785 cfg->prolog_end = cfg->code_len;
3787 mono_debug_open_method (cfg);
3789 /* emit code all basic blocks */
3790 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3791 bb->native_offset = cfg->code_len;
3792 bb->real_native_offset = cfg->code_len;
3793 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3794 mono_arch_output_basic_block (cfg, bb);
3795 bb->native_length = cfg->code_len - bb->native_offset;
3797 if (bb == cfg->bb_exit) {
3798 cfg->epilog_begin = cfg->code_len;
3800 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3801 code = cfg->native_code + cfg->code_len;
3802 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3803 cfg->code_len = code - cfg->native_code;
3804 g_assert (cfg->code_len < cfg->code_size);
3807 mono_arch_emit_epilog (cfg);
3811 #ifdef __native_client_codegen__
3812 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3814 mono_arch_emit_exceptions (cfg);
3816 max_epilog_size = 0;
3818 /* we always allocate code in cfg->domain->code_mp to increase locality */
3819 cfg->code_size = cfg->code_len + max_epilog_size;
3820 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3822 if (cfg->method->dynamic) {
3823 guint unwindlen = 0;
3824 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3825 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3827 /* Allocate the code into a separate memory pool so it can be freed */
3828 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3829 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3830 mono_domain_lock (cfg->domain);
3831 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3832 mono_domain_unlock (cfg->domain);
3834 if (mono_using_xdebug)
3835 /* See the comment for cfg->code_domain */
3836 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3838 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3840 guint unwindlen = 0;
3841 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3842 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3844 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3846 #if defined(__native_client_codegen__) && defined(__native_client__)
3847 nacl_allow_target_modification (TRUE);
3851 memcpy (code, cfg->native_code, cfg->code_len);
3852 #if defined(__default_codegen__)
3853 g_free (cfg->native_code);
3854 #elif defined(__native_client_codegen__)
3855 if (cfg->native_code_alloc) {
3856 g_free (cfg->native_code_alloc);
3857 cfg->native_code_alloc = 0;
3859 else if (cfg->native_code) {
3860 g_free (cfg->native_code);
3862 #endif /* __native_client_codegen__ */
3863 cfg->native_code = code;
3864 code = cfg->native_code + cfg->code_len;
3866 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3867 mono_postprocess_patches (cfg);
3869 #ifdef VALGRIND_JIT_REGISTER_MAP
3870 if (valgrind_register){
3871 char* nm = mono_method_full_name (cfg->method, TRUE);
3872 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3877 if (cfg->verbose_level > 0) {
3878 char* nm = mono_method_full_name (cfg->method, TRUE);
3879 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3881 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3886 gboolean is_generic = FALSE;
3888 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3889 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3893 if (cfg->generic_sharing_context)
3894 g_assert (is_generic);
3897 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3898 mono_arch_save_unwind_info (cfg);
3901 #if defined(__native_client_codegen__) && defined(__native_client__)
3902 if (!cfg->compile_aot) {
3903 if (cfg->method->dynamic) {
3904 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
3906 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
3911 #if defined(__native_client_codegen__)
3912 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3915 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);
3917 if (cfg->method->dynamic) {
3918 if (mono_using_xdebug)
3919 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3921 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3923 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3925 #if defined(__native_client_codegen__) && defined(__native_client__)
3926 cfg->native_code = code_dest;
3928 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3930 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3932 mono_debug_close_method (cfg);
3934 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3935 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3940 compute_reachable (MonoBasicBlock *bb)
3944 if (!(bb->flags & BB_VISITED)) {
3945 bb->flags |= BB_VISITED;
3946 for (i = 0; i < bb->out_count; ++i)
3947 compute_reachable (bb->out_bb [i]);
3952 mono_handle_out_of_line_bblock (MonoCompile *cfg)
3955 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3956 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
3958 MONO_INST_NEW (cfg, ins, OP_BR);
3959 MONO_ADD_INS (bb, ins);
3960 ins->inst_target_bb = bb->next_bb;
3965 #endif /* #ifndef DISABLE_JIT */
3968 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
3970 MonoDomain *domain = mono_get_root_domain ();
3975 if (info->uw_info) {
3976 uw_info = info->uw_info;
3977 info_len = info->uw_info_len;
3979 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
3982 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
3983 jinfo->method = wrapper;
3984 jinfo->code_start = info->code;
3985 jinfo->code_size = info->code_size;
3986 jinfo->used_regs = mono_cache_unwind_info (uw_info, info_len);
3994 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3997 MonoMethodHeader *header;
4000 int generic_info_size, arch_eh_info_size = 0;
4001 int holes_size = 0, num_holes = 0, cas_size = 0;
4002 guint32 stack_size = 0;
4004 g_assert (method_to_compile == cfg->method);
4005 header = cfg->header;
4007 if (cfg->generic_sharing_context)
4008 generic_info_size = sizeof (MonoGenericJitInfo);
4010 generic_info_size = 0;
4012 if (cfg->arch_eh_jit_info) {
4013 MonoJitArgumentInfo *arg_info;
4014 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
4017 * This cannot be computed during stack walking, as
4018 * mono_arch_get_argument_info () is not signal safe.
4020 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
4021 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
4024 arch_eh_info_size = sizeof (MonoArchEHJitInfo);
4027 if (cfg->try_block_holes) {
4028 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4029 TryBlockHole *hole = tmp->data;
4030 MonoExceptionClause *ec = hole->clause;
4031 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
4032 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4033 g_assert (clause_last_bb);
4035 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4036 if (clause_last_bb->native_offset != hole_end)
4040 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
4041 if (G_UNLIKELY (cfg->verbose_level >= 4))
4042 printf ("Number of try block holes %d\n", num_holes);
4045 if (mono_method_has_declsec (cfg->method_to_register)) {
4046 cas_size = sizeof (MonoMethodCasInfo);
4049 if (COMPILE_LLVM (cfg))
4050 num_clauses = cfg->llvm_ex_info_len;
4052 num_clauses = header->num_clauses;
4054 if (cfg->method->dynamic) {
4055 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
4056 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4058 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
4059 (num_clauses * sizeof (MonoJitExceptionInfo)) +
4060 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4063 jinfo->method = cfg->method_to_register;
4064 jinfo->code_start = cfg->native_code;
4065 jinfo->code_size = cfg->code_len;
4066 jinfo->used_regs = cfg->used_int_regs;
4067 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4068 jinfo->num_clauses = num_clauses;
4070 if (COMPILE_LLVM (cfg))
4071 jinfo->from_llvm = TRUE;
4073 if (cfg->generic_sharing_context) {
4075 MonoGenericJitInfo *gi;
4076 GSList *loclist = NULL;
4078 jinfo->has_generic_jit_info = 1;
4080 gi = mono_jit_info_get_generic_jit_info (jinfo);
4083 if (cfg->method->dynamic)
4084 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4086 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4087 memcpy (gi->generic_sharing_context, cfg->generic_sharing_context, sizeof (MonoGenericSharingContext));
4089 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4090 mini_method_get_context (method_to_compile)->method_inst ||
4091 method_to_compile->klass->valuetype) {
4092 g_assert (cfg->rgctx_var);
4097 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4098 mini_method_get_context (method_to_compile)->method_inst ||
4099 method_to_compile->klass->valuetype) {
4100 inst = cfg->rgctx_var;
4101 if (!COMPILE_LLVM (cfg))
4102 g_assert (inst->opcode == OP_REGOFFSET);
4103 loclist = cfg->rgctx_loclist;
4105 inst = cfg->args [0];
4106 loclist = cfg->this_loclist;
4110 /* Needed to handle async exceptions */
4114 gi->nlocs = g_slist_length (loclist);
4115 if (cfg->method->dynamic)
4116 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4118 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4120 for (l = loclist; l; l = l->next) {
4121 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4126 if (COMPILE_LLVM (cfg)) {
4127 g_assert (cfg->llvm_this_reg != -1);
4128 gi->this_in_reg = 0;
4129 gi->this_reg = cfg->llvm_this_reg;
4130 gi->this_offset = cfg->llvm_this_offset;
4131 } else if (inst->opcode == OP_REGVAR) {
4132 gi->this_in_reg = 1;
4133 gi->this_reg = inst->dreg;
4135 g_assert (inst->opcode == OP_REGOFFSET);
4137 g_assert (inst->inst_basereg == X86_EBP);
4138 #elif defined(TARGET_AMD64)
4139 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4141 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4143 gi->this_in_reg = 0;
4144 gi->this_reg = inst->inst_basereg;
4145 gi->this_offset = inst->inst_offset;
4150 MonoTryBlockHoleTableJitInfo *table;
4153 jinfo->has_try_block_holes = 1;
4154 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4155 table->num_holes = (guint16)num_holes;
4157 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4158 guint32 start_bb_offset;
4159 MonoTryBlockHoleJitInfo *hole;
4160 TryBlockHole *hole_data = tmp->data;
4161 MonoExceptionClause *ec = hole_data->clause;
4162 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4163 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4164 g_assert (clause_last_bb);
4166 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4167 if (clause_last_bb->native_offset == hole_end)
4170 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4171 hole = &table->holes [i++];
4172 hole->clause = hole_data->clause - &header->clauses [0];
4173 hole->offset = (guint32)hole_data->start_offset;
4174 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4176 if (G_UNLIKELY (cfg->verbose_level >= 4))
4177 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4179 g_assert (i == num_holes);
4182 if (arch_eh_info_size) {
4183 MonoArchEHJitInfo *info;
4185 jinfo->has_arch_eh_info = 1;
4186 info = mono_jit_info_get_arch_eh_info (jinfo);
4188 info->stack_size = stack_size;
4192 jinfo->has_cas_info = 1;
4195 if (COMPILE_LLVM (cfg)) {
4197 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4198 } else if (header->num_clauses) {
4201 for (i = 0; i < header->num_clauses; i++) {
4202 MonoExceptionClause *ec = &header->clauses [i];
4203 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4204 MonoBasicBlock *tblock;
4207 ei->flags = ec->flags;
4209 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4210 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4212 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4213 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4215 ei->data.filter = cfg->native_code + tblock->native_offset;
4217 ei->data.catch_class = ec->data.catch_class;
4220 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4222 g_assert (tblock->native_offset);
4223 ei->try_start = cfg->native_code + tblock->native_offset;
4224 if (tblock->extend_try_block) {
4226 * Extend the try block backwards to include parts of the previous call
4229 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4231 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4233 if (!tblock->native_offset) {
4235 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4236 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4237 if (bb && bb->native_offset) {
4243 ei->try_end = cfg->native_code + tblock->native_offset;
4244 g_assert (tblock->native_offset);
4245 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4247 ei->handler_start = cfg->native_code + tblock->native_offset;
4249 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4250 TryBlockHole *hole = tmp->data;
4251 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4252 if (hole->clause == ec && hole_end == ei->try_end) {
4253 if (G_UNLIKELY (cfg->verbose_level >= 4))
4254 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4256 ei->try_end = cfg->native_code + hole->start_offset;
4261 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4263 if (ec->handler_offset + ec->handler_len < header->code_size) {
4264 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4266 end_offset = tblock->native_offset;
4268 end_offset = cfg->epilog_begin;
4270 ei->data.handler_end = cfg->native_code + end_offset;
4275 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4277 for (i = 0; i < jinfo->num_clauses; i++) {
4278 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4279 int start = (guint8*)ei->try_start - cfg->native_code;
4280 int end = (guint8*)ei->try_end - cfg->native_code;
4281 int handler = (guint8*)ei->handler_start - cfg->native_code;
4283 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
4288 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4289 * using it during runtime, hence the define.
4291 #ifdef MONO_ARCH_HAVE_XP_UNWIND
4292 if (cfg->encoded_unwind_ops) {
4293 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4294 g_free (cfg->encoded_unwind_ops);
4295 } else if (cfg->unwind_ops) {
4297 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4299 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4300 g_free (unwind_info);
4309 get_gsharedvt_type (MonoType *t)
4311 MonoGenericParam *par = t->data.generic_param;
4315 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4316 * a different instantiation.
4318 g_assert (mono_generic_param_info (par));
4319 par = g_memdup (par, sizeof (MonoGenericParamFull));
4322 par->image = mono_defaults.corlib;
4324 res = mono_metadata_type_dup (NULL, t);
4325 res->data.generic_param = par;
4331 is_gsharedvt_type (MonoType *t)
4333 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4336 /* Return whenever METHOD is a gsharedvt method */
4338 is_gsharedvt_method (MonoMethod *method)
4340 MonoGenericContext *context;
4341 MonoGenericInst *inst;
4344 if (!method->is_inflated)
4346 context = mono_method_get_context (method);
4347 inst = context->class_inst;
4349 for (i = 0; i < inst->type_argc; ++i)
4350 if (is_gsharedvt_type (inst->type_argv [i]))
4353 inst = context->method_inst;
4355 for (i = 0; i < inst->type_argc; ++i)
4356 if (is_gsharedvt_type (inst->type_argv [i]))
4363 has_ref_constraint (MonoGenericParamInfo *info)
4365 MonoClass **constraints;
4369 if (info && info->constraints) {
4370 constraints = info->constraints;
4372 while (*constraints) {
4373 MonoClass *cklass = *constraints;
4374 if (!(cklass == mono_defaults.object_class || (cklass->image == mono_defaults.corlib && !strcmp (cklass->name, "ValueType")) || MONO_CLASS_IS_INTERFACE (cklass)))
4382 static MonoGenericInst*
4383 get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
4385 MonoGenericInst *res;
4386 MonoType **type_argv;
4389 type_argv = g_new0 (MonoType*, inst->type_argc);
4390 for (i = 0; i < inst->type_argc; ++i) {
4391 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)) {
4392 type_argv [i] = shared_inst->type_argv [i];
4393 } else if (all_vt) {
4394 if (container && has_ref_constraint (&container->type_params [i].info))
4395 type_argv [i] = shared_inst->type_argv [i];
4397 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4398 } else if (gsharedvt) {
4399 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4401 type_argv [i] = inst->type_argv [i];
4405 res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4411 * mini_get_shared_method_full:
4413 * Return the method which is actually compiled/registered when doing generic sharing.
4414 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4415 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4416 * METHOD can be a non-inflated generic method.
4419 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4421 MonoGenericContext shared_context;
4422 MonoMethod *declaring_method, *res;
4423 gboolean partial = FALSE;
4424 gboolean gsharedvt = FALSE;
4425 MonoGenericContainer *class_container, *method_container = NULL;
4427 if (method->is_generic || method->klass->generic_container) {
4428 declaring_method = method;
4430 declaring_method = mono_method_get_declaring_generic_method (method);
4433 if (declaring_method->is_generic)
4434 shared_context = mono_method_get_generic_container (declaring_method)->context;
4436 shared_context = declaring_method->klass->generic_container->context;
4438 /* Handle gsharedvt/partial sharing */
4439 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE, TRUE)) ||
4440 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4441 MonoGenericContext *context = mono_method_get_context (method);
4442 MonoGenericInst *inst;
4444 gsharedvt = is_gsharedvt || mini_is_gsharedvt_sharable_method (method);
4446 class_container = declaring_method->klass->generic_container;
4447 method_container = mono_method_get_generic_container (declaring_method);
4450 * Create the shared context by replacing the ref type arguments with
4451 * type parameters, and keeping the rest.
4455 inst = context->class_inst;
4457 inst = shared_context.class_inst;
4459 shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
4462 inst = context->method_inst;
4464 inst = shared_context.method_inst;
4466 shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
4469 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4471 /* The result should be an inflated method whose parent is not inflated */
4472 g_assert (!res->klass->is_inflated);
4478 mini_get_shared_method (MonoMethod *method)
4480 return mini_get_shared_method_full (method, FALSE, FALSE);
4484 mini_init_gsctx (MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4486 MonoGenericInst *inst;
4489 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4491 if (context->class_inst) {
4492 inst = context->class_inst;
4493 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4495 for (i = 0; i < inst->type_argc; ++i) {
4496 MonoType *type = inst->type_argv [i];
4498 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4499 gsctx->var_is_vt [i] = TRUE;
4502 if (context->method_inst) {
4503 inst = context->method_inst;
4504 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4506 for (i = 0; i < inst->type_argc; ++i) {
4507 MonoType *type = inst->type_argv [i];
4509 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4510 gsctx->mvar_is_vt [i] = TRUE;
4517 * mini_method_compile:
4518 * @method: the method to compile
4519 * @opts: the optimization flags to use
4520 * @domain: the domain where the method will be compiled in
4521 * @run_cctors: whether we should run type ctors if possible
4522 * @compile_aot: whether this is an AOT compilation
4523 * @parts: debug flag
4525 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4526 * field in the returned struct to see if compilation succeded.
4529 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4531 MonoMethodHeader *header;
4532 MonoMethodSignature *sig;
4536 int dfn, i, code_size_ratio;
4537 gboolean deadce_has_run = FALSE;
4538 gboolean try_generic_shared, try_llvm = FALSE;
4539 MonoMethod *method_to_compile, *method_to_register;
4540 gboolean method_is_gshared = FALSE;
4542 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4543 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4544 mono_profiler_method_jit (method);
4545 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4546 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4550 * We might get passed the original generic method definition or
4551 * instances with type parameters.
4552 * FIXME: Remove the method->klass->generic_class limitation.
4554 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4555 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl_full (method, TRUE, FALSE, FALSE)));
4557 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4558 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE, TRUE);
4560 if (opts & MONO_OPT_GSHARED) {
4561 if (try_generic_shared)
4562 mono_stats.generics_sharable_methods++;
4563 else if (mono_method_is_generic_impl (method))
4564 mono_stats.generics_unsharable_methods++;
4567 if (mini_is_gsharedvt_sharable_method (method)) {
4568 if (!mono_debug_count ())
4569 try_generic_shared = FALSE;
4571 try_generic_shared = FALSE;
4574 if (is_gsharedvt_method (method)) {
4575 /* We are AOTing a gshared method directly */
4576 method_is_gshared = TRUE;
4577 g_assert (compile_aot);
4578 try_generic_shared = TRUE;
4582 try_llvm = mono_use_llvm;
4586 if (method_is_gshared) {
4587 method_to_compile = method;
4589 if (try_generic_shared) {
4590 method_to_compile = mini_get_shared_method (method);
4591 g_assert (method_to_compile);
4593 method_to_compile = method;
4597 cfg = g_new0 (MonoCompile, 1);
4598 cfg->method = method_to_compile;
4599 cfg->header = mono_method_get_header (cfg->method);
4600 cfg->mempool = mono_mempool_new ();
4602 cfg->prof_options = mono_profiler_get_events ();
4603 cfg->run_cctors = run_cctors;
4604 cfg->domain = domain;
4605 cfg->verbose_level = mini_verbose;
4606 cfg->compile_aot = compile_aot;
4607 cfg->skip_visibility = method->skip_visibility;
4608 cfg->orig_method = method;
4609 cfg->gen_seq_points = debug_options.gen_seq_points;
4610 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4611 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4612 if (try_generic_shared)
4613 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
4614 cfg->compile_llvm = try_llvm;
4615 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4617 if (cfg->gen_seq_points)
4618 cfg->seq_points = g_ptr_array_new ();
4620 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
4621 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4625 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
4626 MonoMethodInflated *inflated;
4627 MonoGenericContext *context;
4629 // FIXME: Free the contents of gsctx if compilation fails
4630 if (method_is_gshared) {
4631 g_assert (method->is_inflated);
4632 inflated = (MonoMethodInflated*)method;
4633 context = &inflated->context;
4635 /* We are compiling a gsharedvt method directly */
4636 g_assert (compile_aot);
4638 g_assert (method_to_compile->is_inflated);
4639 inflated = (MonoMethodInflated*)method_to_compile;
4640 context = &inflated->context;
4643 mini_init_gsctx (context, &cfg->gsctx);
4645 cfg->gsharedvt = TRUE;
4647 cfg->disable_llvm = TRUE;
4650 if (cfg->generic_sharing_context) {
4651 method_to_register = method_to_compile;
4653 g_assert (method == method_to_compile);
4654 method_to_register = method;
4656 cfg->method_to_register = method_to_register;
4658 mono_error_init (&err);
4659 sig = mono_method_signature_checked (cfg->method, &err);
4661 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4662 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4663 mono_error_cleanup (&err);
4664 if (MONO_METHOD_COMPILE_END_ENABLED ())
4665 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4669 header = cfg->header;
4671 MonoLoaderError *error;
4673 if ((error = mono_loader_get_last_error ())) {
4674 cfg->exception_type = error->exception_type;
4676 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4677 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4679 if (MONO_METHOD_COMPILE_END_ENABLED ())
4680 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4686 static gboolean inited;
4693 * Check for methods which cannot be compiled by LLVM early, to avoid
4694 * the extra compilation pass.
4696 if (COMPILE_LLVM (cfg)) {
4697 mono_llvm_check_method_supported (cfg);
4698 if (cfg->disable_llvm) {
4699 if (cfg->verbose_level >= 1) {
4700 //nm = mono_method_full_name (cfg->method, TRUE);
4701 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4704 mono_destroy_compile (cfg);
4706 goto restart_compile;
4712 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4713 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4714 cfg->disable_reuse_registers = TRUE;
4715 cfg->disable_reuse_stack_slots = TRUE;
4717 * This decreases the change the debugger will read registers/stack slots which are
4718 * not yet initialized.
4720 cfg->disable_initlocals_opt = TRUE;
4722 cfg->extend_live_ranges = TRUE;
4724 /* Temporarily disable this when running in the debugger until we have support
4725 * for this in the debugger. */
4726 /* This is no longer needed with sdb */
4727 //cfg->disable_omit_fp = TRUE;
4729 /* The debugger needs all locals to be on the stack or in a global register */
4730 cfg->disable_vreg_to_lvreg = TRUE;
4732 /* Don't remove unused variables when running inside the debugger since the user
4733 * may still want to view them. */
4734 cfg->disable_deadce_vars = TRUE;
4736 // cfg->opt |= MONO_OPT_SHARED;
4737 cfg->opt &= ~MONO_OPT_DEADCE;
4738 cfg->opt &= ~MONO_OPT_INLINE;
4739 cfg->opt &= ~MONO_OPT_COPYPROP;
4740 cfg->opt &= ~MONO_OPT_CONSPROP;
4741 /* This is no longer needed with sdb */
4742 //cfg->opt &= ~MONO_OPT_GSHARED;
4744 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4745 cfg->disable_out_of_line_bblocks = TRUE;
4748 if (mono_using_xdebug) {
4750 * Make each variable use its own register/stack slot and extend
4751 * their liveness to cover the whole method, making them displayable
4752 * in gdb even after they are dead.
4754 cfg->disable_reuse_registers = TRUE;
4755 cfg->disable_reuse_stack_slots = TRUE;
4756 cfg->extend_live_ranges = TRUE;
4757 cfg->compute_precise_live_ranges = TRUE;
4760 mini_gc_init_cfg (cfg);
4762 if (COMPILE_LLVM (cfg)) {
4763 cfg->opt |= MONO_OPT_ABCREM;
4766 if (getenv ("MONO_VERBOSE_METHOD")) {
4767 char *name = getenv ("MONO_VERBOSE_METHOD");
4769 if ((strchr (name, '.') > name) || strchr (name, ':')) {
4770 MonoMethodDesc *desc;
4772 desc = mono_method_desc_new (name, TRUE);
4773 if (mono_method_desc_full_match (desc, cfg->method)) {
4774 cfg->verbose_level = 4;
4776 mono_method_desc_free (desc);
4778 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
4779 cfg->verbose_level = 4;
4783 ip = (guint8 *)header->code;
4785 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
4787 if (cfg->verbose_level > 0) {
4790 method_name = mono_method_full_name (method, TRUE);
4791 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
4793 if (COMPILE_LLVM (cfg))
4794 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
4795 else if (cfg->gsharedvt)
4796 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4797 else if (cfg->generic_sharing_context)
4798 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4800 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
4802 g_free (method_name);
4805 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
4806 cfg->opt |= MONO_OPT_SSA;
4809 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")))
4810 cfg->globalra = TRUE;
4813 //cfg->globalra = TRUE;
4815 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
4816 // cfg->globalra = TRUE;
4819 static int count = 0;
4823 if (getenv ("COUNT2")) {
4824 cfg->globalra = TRUE;
4825 if (count == atoi (getenv ("COUNT2")))
4826 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
4827 if (count > atoi (getenv ("COUNT2")))
4828 cfg->globalra = FALSE;
4833 if (header->clauses)
4834 cfg->globalra = FALSE;
4836 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4837 /* The code in the prolog clobbers caller saved registers */
4838 cfg->globalra = FALSE;
4840 // FIXME: Disable globalra in case of tracing/profiling
4842 if (cfg->method->save_lmf)
4843 /* The LMF saving code might clobber caller saved registers */
4844 cfg->globalra = FALSE;
4846 if (header->code_size > 5000)
4848 /* Too large bblocks could overflow the ins positions */
4849 cfg->globalra = FALSE;
4851 cfg->rs = mono_regstate_new ();
4853 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4854 cfg->next_vreg = cfg->rs->next_vreg;
4856 /* FIXME: Fix SSA to handle branches inside bblocks */
4857 if (cfg->opt & MONO_OPT_SSA)
4858 cfg->enable_extended_bblocks = FALSE;
4861 * FIXME: This confuses liveness analysis because variables which are assigned after
4862 * a branch inside a bblock become part of the kill set, even though the assignment
4863 * might not get executed. This causes the optimize_initlocals pass to delete some
4864 * assignments which are needed.
4865 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4868 //cfg->enable_extended_bblocks = TRUE;
4870 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4871 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
4872 if (mini_get_debug_options ()->break_on_unverified)
4878 * create MonoInst* which represents arguments and local variables
4880 mono_compile_create_vars (cfg);
4882 /* SSAPRE is not supported on linear IR */
4883 cfg->opt &= ~MONO_OPT_SSAPRE;
4885 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4888 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4890 if (MONO_METHOD_COMPILE_END_ENABLED ())
4891 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4894 mono_destroy_compile (cfg);
4895 try_generic_shared = FALSE;
4896 goto restart_compile;
4898 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4900 if (MONO_METHOD_COMPILE_END_ENABLED ())
4901 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4902 /* cfg contains the details of the failure, so let the caller cleanup */
4906 cfg->stat_basic_blocks += cfg->num_bblocks;
4908 if (COMPILE_LLVM (cfg)) {
4911 /* The IR has to be in SSA form for LLVM */
4912 cfg->opt |= MONO_OPT_SSA;
4916 // Allow SSA on the result value
4917 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4919 // Add an explicit return instruction referencing the return value
4920 MONO_INST_NEW (cfg, ins, OP_SETRET);
4921 ins->sreg1 = cfg->ret->dreg;
4923 MONO_ADD_INS (cfg->bb_exit, ins);
4926 cfg->opt &= ~MONO_OPT_LINEARS;
4929 cfg->opt &= ~MONO_OPT_BRANCH;
4932 /* todo: remove code when we have verified that the liveness for try/catch blocks
4936 * Currently, this can't be commented out since exception blocks are not
4937 * processed during liveness analysis.
4938 * It is also needed, because otherwise the local optimization passes would
4939 * delete assignments in cases like this:
4941 * <something which throws>
4943 * This also allows SSA to be run on methods containing exception clauses, since
4944 * SSA will ignore variables marked VOLATILE.
4946 mono_liveness_handle_exception_clauses (cfg);
4948 mono_handle_out_of_line_bblock (cfg);
4950 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4952 if (!COMPILE_LLVM (cfg))
4953 mono_decompose_long_opts (cfg);
4955 /* Should be done before branch opts */
4956 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4957 mono_local_cprop (cfg);
4959 if (cfg->opt & MONO_OPT_BRANCH)
4960 mono_optimize_branches (cfg);
4962 /* This must be done _before_ global reg alloc and _after_ decompose */
4963 mono_handle_global_vregs (cfg);
4964 if (cfg->opt & MONO_OPT_DEADCE)
4965 mono_local_deadce (cfg);
4966 /* Disable this for LLVM to make the IR easier to handle */
4967 if (!COMPILE_LLVM (cfg))
4968 mono_if_conversion (cfg);
4970 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4971 mono_remove_critical_edges (cfg);
4973 /* Depth-first ordering on basic blocks */
4974 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4976 cfg->max_block_num = cfg->num_bblocks;
4979 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4980 if (cfg->num_bblocks != dfn + 1) {
4983 cfg->num_bblocks = dfn + 1;
4985 /* remove unreachable code, because the code in them may be
4986 * inconsistent (access to dead variables for example) */
4987 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4988 bb->flags &= ~BB_VISITED;
4989 compute_reachable (cfg->bb_entry);
4990 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4991 if (bb->flags & BB_EXCEPTION_HANDLER)
4992 compute_reachable (bb);
4993 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4994 if (!(bb->flags & BB_VISITED)) {
4995 if (cfg->verbose_level > 1)
4996 g_print ("found unreachable code in BB%d\n", bb->block_num);
4997 bb->code = bb->last_ins = NULL;
4998 while (bb->out_count)
4999 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
5002 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5003 bb->flags &= ~BB_VISITED;
5006 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
5008 * we disable some optimizations if there are too many variables
5009 * because JIT time may become too expensive. The actual number needs
5010 * to be tweaked and eventually the non-linear algorithms should be fixed.
5012 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
5013 cfg->disable_ssa = TRUE;
5016 if (cfg->opt & MONO_OPT_LOOP) {
5017 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
5018 mono_compute_natural_loops (cfg);
5021 /* after method_to_ir */
5023 if (MONO_METHOD_COMPILE_END_ENABLED ())
5024 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5029 if (header->num_clauses)
5030 cfg->disable_ssa = TRUE;
5033 //#define DEBUGSSA "logic_run"
5034 #define DEBUGSSA_CLASS "Tests"
5037 if (!cfg->disable_ssa) {
5038 mono_local_cprop (cfg);
5041 mono_ssa_compute (cfg);
5045 if (cfg->opt & MONO_OPT_SSA) {
5046 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
5048 mono_ssa_compute (cfg);
5051 if (cfg->verbose_level >= 2) {
5058 /* after SSA translation */
5060 if (MONO_METHOD_COMPILE_END_ENABLED ())
5061 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5065 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
5066 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5068 mono_ssa_cprop (cfg);
5074 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5075 //mono_ssa_strength_reduction (cfg);
5077 if (cfg->opt & MONO_OPT_SSAPRE) {
5078 mono_perform_ssapre (cfg);
5079 //mono_local_cprop (cfg);
5082 if (cfg->opt & MONO_OPT_DEADCE) {
5083 mono_ssa_deadce (cfg);
5084 deadce_has_run = TRUE;
5087 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5088 mono_perform_abc_removal (cfg);
5090 mono_ssa_remove (cfg);
5091 mono_local_cprop (cfg);
5092 mono_handle_global_vregs (cfg);
5093 if (cfg->opt & MONO_OPT_DEADCE)
5094 mono_local_deadce (cfg);
5096 if (cfg->opt & MONO_OPT_BRANCH) {
5099 mono_optimize_branches (cfg);
5101 /* Have to recompute cfg->bblocks and bb->dfn */
5102 if (cfg->globalra) {
5103 mono_remove_critical_edges (cfg);
5105 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5108 /* Depth-first ordering on basic blocks */
5109 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5112 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5113 cfg->num_bblocks = dfn + 1;
5119 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5120 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
5121 if (cfg->opt & MONO_OPT_ABCREM)
5122 mono_perform_abc_removal (cfg);
5125 /* after SSA removal */
5127 if (MONO_METHOD_COMPILE_END_ENABLED ())
5128 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5132 #ifdef MONO_ARCH_SOFT_FLOAT
5133 if (!COMPILE_LLVM (cfg))
5134 mono_decompose_soft_float (cfg);
5136 if (!COMPILE_LLVM (cfg))
5137 mono_decompose_vtype_opts (cfg);
5138 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5139 mono_decompose_array_access_opts (cfg);
5142 #ifndef MONO_ARCH_GOT_REG
5147 g_assert (cfg->got_var_allocated);
5150 * Allways allocate the GOT var to a register, because keeping it
5151 * in memory will increase the number of live temporaries in some
5152 * code created by inssel.brg, leading to the well known spills+
5153 * branches problem. Testcase: mcs crash in
5154 * System.MonoCustomAttrs:GetCustomAttributes.
5156 #ifdef MONO_ARCH_GOT_REG
5157 got_reg = MONO_ARCH_GOT_REG;
5159 regs = mono_arch_get_global_int_regs (cfg);
5161 got_reg = GPOINTER_TO_INT (regs->data);
5164 cfg->got_var->opcode = OP_REGVAR;
5165 cfg->got_var->dreg = got_reg;
5166 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5170 * Have to call this again to process variables added since the first call.
5172 mono_liveness_handle_exception_clauses (cfg);
5174 if (cfg->globalra) {
5177 /* Have to do this before regalloc since it can create vregs */
5178 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5179 mono_arch_lowering_pass (cfg, bb);
5181 mono_global_regalloc (cfg);
5184 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5185 GList *vars, *regs, *l;
5187 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5188 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5189 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5190 mono_analyze_liveness (cfg);
5192 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5193 regs = mono_arch_get_global_int_regs (cfg);
5194 /* Remove the reg reserved for holding the GOT address */
5196 for (l = regs; l; l = l->next) {
5197 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5198 regs = g_list_delete_link (regs, l);
5203 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5207 //mono_print_code (cfg, "");
5211 /* variables are allocated after decompose, since decompose could create temps */
5212 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5213 mono_arch_allocate_vars (cfg);
5214 if (cfg->exception_type)
5220 gboolean need_local_opts;
5222 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5223 mono_spill_global_vars (cfg, &need_local_opts);
5225 if (need_local_opts || cfg->compile_aot) {
5226 /* To optimize code created by spill_global_vars */
5227 mono_local_cprop (cfg);
5228 if (cfg->opt & MONO_OPT_DEADCE)
5229 mono_local_deadce (cfg);
5233 /* Add branches between non-consecutive bblocks */
5234 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5235 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5236 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5237 /* we are careful when inverting, since bugs like #59580
5238 * could show up when dealing with NaNs.
5240 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5241 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5242 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5243 bb->last_ins->inst_false_bb = tmp;
5245 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5247 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5248 inst->opcode = OP_BR;
5249 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5250 mono_bblock_add_inst (bb, inst);
5255 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5256 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5257 MonoInst *tree = bb->code;
5258 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5261 for (; tree; tree = tree->next) {
5262 mono_print_ins_index (-1, tree);
5268 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5269 bb->max_vreg = cfg->next_vreg;
5273 if (COMPILE_LLVM (cfg)) {
5277 /* The IR has to be in SSA form for LLVM */
5278 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5279 cfg->exception_message = g_strdup ("SSA disabled.");
5280 cfg->disable_llvm = TRUE;
5283 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5284 mono_decompose_array_access_opts (cfg);
5286 if (!cfg->disable_llvm)
5287 mono_llvm_emit_method (cfg);
5288 if (cfg->disable_llvm) {
5289 if (cfg->verbose_level >= 1) {
5290 //nm = mono_method_full_name (cfg->method, TRUE);
5291 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5294 mono_destroy_compile (cfg);
5296 goto restart_compile;
5299 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5300 nm = mono_method_full_name (cfg->method, TRUE);
5301 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5303 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5311 if (COMPILE_LLVM (cfg))
5312 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5314 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5316 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5318 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5319 if (cfg->extend_live_ranges) {
5320 /* Extend live ranges to cover the whole method */
5321 for (i = 0; i < cfg->num_varinfo; ++i)
5322 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5326 if (!cfg->compile_aot)
5327 mono_save_xdebug_info (cfg);
5329 mini_gc_create_gc_map (cfg);
5331 mono_save_seq_point_info (cfg);
5333 if (cfg->verbose_level >= 2) {
5334 char *id = mono_method_full_name (cfg->method, FALSE);
5335 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5339 if (!cfg->compile_aot) {
5340 mono_domain_lock (cfg->domain);
5341 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5343 if (cfg->method->dynamic)
5344 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5345 mono_domain_unlock (cfg->domain);
5350 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5353 /* collect statistics */
5354 #ifndef DISABLE_PERFCOUNTERS
5355 mono_perfcounters->jit_methods++;
5356 mono_perfcounters->jit_bytes += header->code_size;
5358 mono_jit_stats.allocated_code_size += cfg->code_len;
5359 code_size_ratio = cfg->code_len;
5360 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5361 mono_jit_stats.biggest_method_size = code_size_ratio;
5362 g_free (mono_jit_stats.biggest_method);
5363 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5365 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5366 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5367 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5368 g_free (mono_jit_stats.max_ratio_method);
5369 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5371 mono_jit_stats.native_code_size += cfg->code_len;
5373 if (MONO_METHOD_COMPILE_END_ENABLED ())
5374 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5382 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
5384 g_assert_not_reached ();
5388 #endif /* DISABLE_JIT */
5391 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
5393 static gboolean inited = FALSE;
5394 static int lookups = 0;
5395 static int failed_lookups = 0;
5398 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
5399 if (ji && !ji->has_generic_jit_info)
5403 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5404 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5416 * LOCKING: Assumes domain->jit_code_hash_lock is held.
5419 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
5421 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5426 if (!mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE, TRUE))
5428 return mono_domain_lookup_shared_generic (domain, method);
5432 lookup_method (MonoDomain *domain, MonoMethod *method)
5436 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
5437 mono_domain_jit_code_hash_lock (domain);
5438 info = lookup_method_inner (domain, method);
5439 mono_domain_jit_code_hash_unlock (domain);
5440 mono_loader_unlock ();
5446 static FILE* perf_map_file = NULL;
5449 mono_enable_jit_map (void)
5451 if (!perf_map_file) {
5453 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5455 perf_map_file = fopen (name, "w");
5460 mono_emit_jit_tramp (void *start, int size, const char *desc)
5463 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5467 mono_emit_jit_map (MonoJitInfo *jinfo)
5469 if (perf_map_file) {
5470 char *name = mono_method_full_name (jinfo->method, TRUE);
5471 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5477 mono_jit_map_is_enabled (void)
5479 return perf_map_file != NULL;
5485 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5488 gpointer code = NULL;
5489 MonoJitInfo *jinfo, *info;
5491 MonoException *ex = NULL;
5492 guint32 prof_options;
5494 MonoMethod *prof_method;
5496 #ifdef MONO_USE_AOT_COMPILER
5497 if (opt & MONO_OPT_AOT) {
5498 MonoDomain *domain = mono_domain_get ();
5500 mono_class_init (method->klass);
5502 if ((code = mono_aot_get_method (domain, method))) {
5503 vtable = mono_class_vtable (domain, method->klass);
5505 mono_runtime_class_init (vtable);
5512 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5513 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5515 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5517 if (!piinfo->addr) {
5518 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5519 piinfo->addr = mono_lookup_internal_call (method);
5520 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5522 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);
5524 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);
5527 mono_lookup_pinvoke_call (method, NULL, NULL);
5529 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5530 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5531 jinfo = mono_jit_info_table_find (target_domain, code);
5533 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5535 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5538 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
5539 //mono_debug_add_wrapper (method, nm);
5540 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5541 const char *name = method->name;
5542 char *full_name, *msg;
5545 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5546 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5547 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5550 * We need to make sure this wrapper
5551 * is compiled because it might end up
5552 * in an (M)RGCTX if generic sharing
5553 * is enabled, and would be called
5554 * indirectly. If it were a
5555 * trampoline we'd try to patch that
5556 * indirect call, which is not
5559 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5560 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5561 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5562 return mono_create_delegate_trampoline (target_domain, method->klass);
5564 nm = mono_marshal_get_delegate_invoke (method, NULL);
5565 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5567 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5568 nm = mono_marshal_get_delegate_begin_invoke (method);
5569 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5570 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5571 nm = mono_marshal_get_delegate_end_invoke (method);
5572 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5576 full_name = mono_method_full_name (method, TRUE);
5577 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5578 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5584 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5585 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5587 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5588 static MonoTrampInfo *in_tinfo, *out_tinfo;
5589 MonoTrampInfo *tinfo;
5591 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5593 if (is_in && in_tinfo)
5594 return in_tinfo->code;
5595 else if (!is_in && out_tinfo)
5596 return out_tinfo->code;
5599 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5601 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5604 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
5606 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
5607 jinfo = create_jit_info_for_trampoline (method, tinfo);
5608 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
5617 if (mono_aot_only) {
5618 char *fullname = mono_method_full_name (method, TRUE);
5619 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);
5621 *jit_ex = mono_get_exception_execution_engine (msg);
5628 jit_timer = g_timer_new ();
5630 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5631 prof_method = cfg->method;
5633 g_timer_stop (jit_timer);
5634 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5635 g_timer_destroy (jit_timer);
5637 switch (cfg->exception_type) {
5638 case MONO_EXCEPTION_NONE:
5640 case MONO_EXCEPTION_TYPE_LOAD:
5641 case MONO_EXCEPTION_MISSING_FIELD:
5642 case MONO_EXCEPTION_MISSING_METHOD:
5643 case MONO_EXCEPTION_FILE_NOT_FOUND:
5644 case MONO_EXCEPTION_BAD_IMAGE: {
5645 /* Throw a type load exception if needed */
5646 MonoLoaderError *error = mono_loader_get_last_error ();
5649 ex = mono_loader_error_prepare_exception (error);
5651 if (cfg->exception_ptr) {
5652 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5654 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5655 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5656 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5657 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5658 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5659 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5660 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5661 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5662 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5663 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5665 g_assert_not_reached ();
5670 case MONO_EXCEPTION_INVALID_PROGRAM:
5671 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5673 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5674 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5676 case MONO_EXCEPTION_METHOD_ACCESS:
5677 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5679 case MONO_EXCEPTION_FIELD_ACCESS:
5680 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5682 /* this can only be set if the security manager is active */
5683 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5684 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5685 MonoObject *exc = NULL;
5688 args [0] = &cfg->exception_data;
5690 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5692 ex = (MonoException*)exc;
5695 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5696 MonoException *exp = cfg->exception_ptr;
5697 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5702 case MONO_EXCEPTION_OUT_OF_MEMORY:
5703 ex = mono_domain_get ()->out_of_memory_ex;
5706 g_assert_not_reached ();
5710 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5711 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5713 mono_destroy_compile (cfg);
5719 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5720 mono_domain_lock (target_domain);
5722 /* Check if some other thread already did the job. In this case, we can
5723 discard the code this thread generated. */
5725 mono_domain_jit_code_hash_lock (target_domain);
5727 info = lookup_method_inner (target_domain, method);
5729 /* We can't use a domain specific method in another domain */
5730 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5731 code = info->code_start;
5732 // printf("Discarding code for method %s\n", method->name);
5737 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
5738 mono_domain_jit_code_hash_unlock (target_domain);
5739 code = cfg->native_code;
5741 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE, TRUE))
5742 mono_stats.generics_shared_methods++;
5744 mono_stats.gsharedvt_methods++;
5746 mono_domain_jit_code_hash_unlock (target_domain);
5749 jinfo = cfg->jit_info;
5751 prof_options = cfg->prof_options;
5754 * Update global stats while holding a lock, instead of doing many
5755 * InterlockedIncrement operations during JITting.
5757 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
5758 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
5759 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
5760 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
5761 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
5762 mono_jit_stats.regvars += cfg->stat_n_regvars;
5763 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
5764 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
5765 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
5766 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
5768 mono_destroy_compile (cfg);
5771 if (domain_jit_info (target_domain)->jump_target_hash) {
5772 MonoJumpInfo patch_info;
5773 MonoJumpList *jlist;
5775 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
5777 patch_info.next = NULL;
5778 patch_info.ip.i = 0;
5779 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
5780 patch_info.data.method = method;
5781 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
5783 for (tmp = jlist->list; tmp; tmp = tmp->next)
5784 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
5788 mono_emit_jit_map (jinfo);
5790 mono_domain_unlock (target_domain);
5791 mono_loader_unlock ();
5793 vtable = mono_class_vtable (target_domain, method->klass);
5795 ex = mono_class_get_exception_for_failure (method->klass);
5801 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
5802 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
5803 if (mono_marshal_method_from_wrapper (method)) {
5804 /* Native func wrappers have no method */
5805 /* The profiler doesn't know about wrappers, so pass the original icall method */
5806 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
5809 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5810 if (prof_method != method) {
5811 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
5815 ex = mono_runtime_class_init_full (vtable, FALSE);
5824 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
5826 MonoDomain *target_domain, *domain = mono_domain_get ();
5829 MonoJitICallInfo *callinfo = NULL;
5832 * ICALL wrappers are handled specially, since there is only one copy of them
5833 * shared by all appdomains.
5835 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
5836 const char *icall_name;
5838 icall_name = method->name + strlen ("__icall_wrapper_");
5839 g_assert (icall_name);
5840 callinfo = mono_find_jit_icall_by_name (icall_name);
5841 g_assert (callinfo);
5843 /* Must be domain neutral since there is only one copy */
5844 opt |= MONO_OPT_SHARED;
5847 if (method->dynamic)
5848 opt &= ~MONO_OPT_SHARED;
5850 /* These methods can become invalid when a domain is unloaded */
5851 if (method->klass->image != mono_get_corlib () || method->is_inflated)
5852 opt &= ~MONO_OPT_SHARED;
5854 if (opt & MONO_OPT_SHARED)
5855 target_domain = mono_get_root_domain ();
5857 target_domain = domain;
5859 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5860 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5863 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER)
5864 method = info->d.synchronized_inner.method;
5867 info = lookup_method (target_domain, method);
5869 /* We can't use a domain specific method in another domain */
5870 if (! ((domain != target_domain) && !info->domain_neutral)) {
5872 MonoException *tmpEx;
5874 mono_jit_stats.methods_lookups++;
5875 vtable = mono_class_vtable (domain, method->klass);
5877 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
5882 return mono_create_ftnptr (target_domain, info->code_start);
5886 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
5890 p = mono_create_ftnptr (target_domain, code);
5893 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
5894 mono_loader_lock ();
5896 if (!callinfo->wrapper) {
5897 callinfo->wrapper = p;
5898 mono_register_jit_icall_wrapper (callinfo, p);
5899 mono_debug_add_icall_wrapper (method, callinfo);
5902 mono_loader_unlock ();
5909 mono_jit_compile_method (MonoMethod *method)
5911 MonoException *ex = NULL;
5914 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
5917 mono_raise_exception (ex);
5923 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5925 invalidated_delegate_trampoline (char *desc)
5927 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
5928 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
5934 * mono_jit_free_method:
5936 * Free all memory allocated by the JIT for METHOD.
5939 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
5941 MonoJitDynamicMethodInfo *ji;
5942 gboolean destroy = TRUE;
5943 GHashTableIter iter;
5944 MonoJumpList *jlist;
5946 g_assert (method->dynamic);
5948 mono_domain_lock (domain);
5949 ji = mono_dynamic_code_hash_lookup (domain, method);
5950 mono_domain_unlock (domain);
5955 mono_debug_remove_method (method, domain);
5957 mono_domain_lock (domain);
5958 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
5959 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
5960 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
5961 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
5963 /* Remove jump targets in this method */
5964 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
5965 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
5966 GSList *tmp, *remove;
5969 for (tmp = jlist->list; tmp; tmp = tmp->next) {
5970 guint8 *ip = tmp->data;
5972 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
5973 remove = g_slist_prepend (remove, tmp);
5975 for (tmp = remove; tmp; tmp = tmp->next) {
5976 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
5978 g_slist_free (remove);
5981 mono_domain_unlock (domain);
5983 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5984 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
5986 * Instead of freeing the code, change it to call an error routine
5987 * so people can fix their code.
5989 char *type = mono_type_full_name (&method->klass->byval_arg);
5990 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
5993 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
5999 * This needs to be done before freeing code_mp, since the code address is the
6000 * key in the table, so if we free the code_mp first, another thread can grab the
6001 * same code address and replace our entry in the table.
6003 mono_jit_info_table_remove (domain, ji->ji);
6006 mono_code_manager_destroy (ji->code_mp);
6011 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
6013 MonoDomain *target_domain;
6016 if (default_opt & MONO_OPT_SHARED)
6017 target_domain = mono_get_root_domain ();
6019 target_domain = domain;
6021 info = lookup_method (target_domain, method);
6023 /* We can't use a domain specific method in another domain */
6024 if (! ((domain != target_domain) && !info->domain_neutral)) {
6025 mono_jit_stats.methods_lookups++;
6028 return info->code_start;
6038 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
6040 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
6045 gpointer compiled_method;
6046 gpointer runtime_invoke;
6048 MonoDynCallInfo *dyn_call_info;
6049 MonoClass *ret_box_class;
6050 } RuntimeInvokeInfo;
6053 * mono_jit_runtime_invoke:
6054 * @method: the method to invoke
6055 * @obj: this pointer
6056 * @params: array of parameter values.
6057 * @exc: used to catch exceptions objects
6060 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
6063 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
6064 MonoDomain *domain = mono_domain_get ();
6065 MonoJitDomainInfo *domain_info;
6066 RuntimeInvokeInfo *info, *info2;
6068 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6069 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6073 domain_info = domain_jit_info (domain);
6075 mono_domain_lock (domain);
6076 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6077 mono_domain_unlock (domain);
6080 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
6082 * This might be redundant since mono_class_vtable () already does this,
6083 * but keep it just in case for moonlight.
6085 mono_class_setup_vtable (method->klass);
6086 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6088 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6090 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6095 info = g_new0 (RuntimeInvokeInfo, 1);
6097 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6098 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6099 g_assert (info->vtable);
6101 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6102 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6104 * Array Get/Set/Address methods. The JIT implements them using inline code
6105 * inside the runtime invoke wrappers, so no need to compile them.
6107 info->compiled_method = NULL;
6109 MonoException *jit_ex = NULL;
6111 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
6112 if (!info->compiled_method) {
6116 *exc = (MonoObject*)jit_ex;
6119 mono_raise_exception (jit_ex);
6123 info->compiled_method = mini_add_method_trampoline (NULL, method, info->compiled_method, mono_method_needs_static_rgctx_invoke (method, FALSE));
6127 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6128 * in full-aot mode, so we use a slower, but more generic wrapper if
6129 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6131 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6132 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6133 MonoMethodSignature *sig = mono_method_signature (method);
6134 gboolean supported = TRUE;
6137 if (method->string_ctor)
6138 sig = mono_marshal_get_string_ctor_signature (method);
6140 for (i = 0; i < sig->param_count; ++i) {
6141 MonoType *t = sig->params [i];
6143 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6147 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
6151 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6153 if (info->dyn_call_info) {
6154 switch (sig->ret->type) {
6155 case MONO_TYPE_VOID:
6167 case MONO_TYPE_BOOLEAN:
6168 case MONO_TYPE_CHAR:
6171 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6174 info->ret_box_class = mono_defaults.int_class;
6176 case MONO_TYPE_STRING:
6177 case MONO_TYPE_CLASS:
6178 case MONO_TYPE_ARRAY:
6179 case MONO_TYPE_SZARRAY:
6180 case MONO_TYPE_OBJECT:
6182 case MONO_TYPE_GENERICINST:
6183 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
6184 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6186 case MONO_TYPE_VALUETYPE:
6187 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6190 g_assert_not_reached ();
6197 if (!info->dyn_call_info)
6198 info->runtime_invoke = mono_jit_compile_method (invoke);
6200 mono_domain_lock (domain);
6201 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6206 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
6208 mono_domain_unlock (domain);
6211 runtime_invoke = info->runtime_invoke;
6214 * We need this here because mono_marshal_get_runtime_invoke can place
6215 * the helper method in System.Object and not the target class.
6218 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6222 mono_runtime_class_init (info->vtable);
6225 /* The wrappers expect this to be initialized to NULL */
6229 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6230 if (info->dyn_call_info) {
6231 MonoMethodSignature *sig = mono_method_signature (method);
6233 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6236 guint8 retval [128];
6238 if (!dyn_runtime_invoke) {
6239 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6240 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6243 /* Convert the arguments to the format expected by start_dyn_call () */
6244 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6247 args [pindex ++] = &obj;
6248 for (i = 0; i < sig->param_count; ++i) {
6249 MonoType *t = sig->params [i];
6252 args [pindex ++] = ¶ms [i];
6253 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6254 args [pindex ++] = ¶ms [i];
6256 args [pindex ++] = params [i];
6260 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6262 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6264 dyn_runtime_invoke (buf, exc, info->compiled_method);
6266 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6268 if (info->ret_box_class)
6269 return mono_value_box (domain, info->ret_box_class, retval);
6271 return *(MonoObject**)retval;
6275 return runtime_invoke (obj, params, exc, info->compiled_method);
6279 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
6281 MonoException *exc = NULL;
6283 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
6288 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6290 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6291 if (mono_arch_is_int_overflow (ctx, info))
6293 * The spec says this throws ArithmeticException, but MS throws the derived
6294 * OverflowException.
6296 exc = mono_get_exception_overflow ();
6298 exc = mono_get_exception_divide_by_zero ();
6300 exc = mono_get_exception_divide_by_zero ();
6304 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6307 mono_handle_native_sigsegv (SIGSEGV, ctx);
6310 mono_arch_handle_exception (ctx, exc);
6314 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
6319 exc = mono_get_exception_execution_engine ("SIGILL");
6321 mono_arch_handle_exception (ctx, exc);
6324 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6325 #define HAVE_SIG_INFO
6329 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
6332 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6333 gpointer fault_addr = NULL;
6337 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6338 if (mono_arch_is_single_step_event (info, ctx)) {
6339 mono_debugger_agent_single_step_event (ctx);
6341 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6342 mono_debugger_agent_breakpoint_hit (ctx);
6347 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6348 fault_addr = info->si_addr;
6349 if (mono_aot_is_pagefault (info->si_addr)) {
6350 mono_aot_handle_pagefault (info->si_addr);
6355 /* The thread might no be registered with the runtime */
6356 if (!mono_domain_get () || !jit_tls) {
6357 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6359 mono_handle_native_sigsegv (SIGSEGV, ctx);
6362 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6364 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6365 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6368 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6369 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6370 fault_addr = info->si_addr;
6371 if (fault_addr == NULL) {
6374 mono_arch_sigctx_to_monoctx (ctx, &mctx);
6376 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6380 if (jit_tls->stack_size &&
6381 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6383 * The hard-guard page has been hit: there is not much we can do anymore
6384 * Print a hopefully clear message and abort.
6386 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6387 g_assert_not_reached ();
6389 /* The original handler might not like that it is executed on an altstack... */
6390 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
6393 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6398 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6401 mono_handle_native_sigsegv (SIGSEGV, ctx);
6404 mono_arch_handle_exception (ctx, NULL);
6409 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
6414 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6416 mono_arch_handle_exception (ctx, exc);
6419 #ifndef DISABLE_REMOTING
6420 /* mono_jit_create_remoting_trampoline:
6421 * @method: pointer to the method info
6423 * Creates a trampoline which calls the remoting functions. This
6424 * is used in the vtable of transparent proxies.
6426 * Returns: a pointer to the newly created code
6429 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6432 guint8 *addr = NULL;
6434 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6435 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6439 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6440 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
6441 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6442 addr = mono_compile_method (nm);
6445 addr = mono_compile_method (method);
6447 return mono_get_addr_from_ftnptr (addr);
6451 static gpointer *vtable_trampolines;
6452 static int vtable_trampolines_size;
6455 mini_get_vtable_trampoline (int slot_index)
6457 int index = slot_index + MONO_IMT_SIZE;
6459 g_assert (slot_index >= - MONO_IMT_SIZE);
6460 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6462 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6466 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6467 while (new_size <= index)
6469 new_table = g_new0 (gpointer, new_size);
6471 if (vtable_trampolines)
6472 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6473 g_free (vtable_trampolines);
6474 mono_memory_barrier ();
6475 vtable_trampolines = new_table;
6476 vtable_trampolines_size = new_size;
6481 if (!vtable_trampolines [index])
6482 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6483 return vtable_trampolines [index];
6487 mini_get_imt_trampoline (int slot_index)
6489 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6493 mini_parse_debug_options (void)
6495 char *options = getenv ("MONO_DEBUG");
6496 gchar **args, **ptr;
6501 args = g_strsplit (options, ",", -1);
6503 for (ptr = args; ptr && *ptr; ptr++) {
6504 const char *arg = *ptr;
6506 if (!strcmp (arg, "handle-sigint"))
6507 debug_options.handle_sigint = TRUE;
6508 else if (!strcmp (arg, "keep-delegates"))
6509 debug_options.keep_delegates = TRUE;
6510 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6511 debug_options.reverse_pinvoke_exceptions = TRUE;
6512 else if (!strcmp (arg, "collect-pagefault-stats"))
6513 debug_options.collect_pagefault_stats = TRUE;
6514 else if (!strcmp (arg, "break-on-unverified"))
6515 debug_options.break_on_unverified = TRUE;
6516 else if (!strcmp (arg, "no-gdb-backtrace"))
6517 debug_options.no_gdb_backtrace = TRUE;
6518 else if (!strcmp (arg, "suspend-on-sigsegv"))
6519 debug_options.suspend_on_sigsegv = TRUE;
6520 else if (!strcmp (arg, "suspend-on-unhandled"))
6521 debug_options.suspend_on_unhandled = TRUE;
6522 else if (!strcmp (arg, "dont-free-domains"))
6523 mono_dont_free_domains = TRUE;
6524 else if (!strcmp (arg, "dyn-runtime-invoke"))
6525 debug_options.dyn_runtime_invoke = TRUE;
6526 else if (!strcmp (arg, "gdb"))
6527 debug_options.gdb = TRUE;
6528 else if (!strcmp (arg, "explicit-null-checks"))
6529 debug_options.explicit_null_checks = TRUE;
6530 else if (!strcmp (arg, "gen-seq-points"))
6531 debug_options.gen_seq_points = TRUE;
6532 else if (!strcmp (arg, "init-stacks"))
6533 debug_options.init_stacks = TRUE;
6534 else if (!strcmp (arg, "casts"))
6535 debug_options.better_cast_details = TRUE;
6536 else if (!strcmp (arg, "soft-breakpoints"))
6537 debug_options.soft_breakpoints = TRUE;
6539 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6540 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");
6549 mini_get_debug_options (void)
6551 return &debug_options;
6555 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6557 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
6561 gpointer* desc = NULL;
6563 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
6566 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6570 # elif defined(__ppc64__) || defined(__powerpc64__)
6573 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6579 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
6585 mini_get_addr_from_ftnptr (gpointer descr)
6587 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6588 return *(gpointer*)descr;
6595 register_jit_stats (void)
6597 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
6598 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
6599 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6600 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6601 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6602 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
6603 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
6604 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
6605 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
6606 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
6607 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
6608 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
6609 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
6610 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
6611 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
6612 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
6613 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
6616 static void runtime_invoke_info_free (gpointer value);
6619 mini_create_jit_domain_info (MonoDomain *domain)
6621 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
6623 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6624 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6625 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6626 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6627 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6628 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
6629 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
6630 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
6631 info->jump_target_hash = g_hash_table_new (NULL, NULL);
6633 domain->runtime_info = info;
6637 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
6639 MonoJumpList *jlist = value;
6640 g_slist_free (jlist->list);
6644 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
6646 MonoJitDynamicMethodInfo *di = value;
6647 mono_code_manager_destroy (di->code_mp);
6652 runtime_invoke_info_free (gpointer value)
6654 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
6656 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6657 if (info->dyn_call_info)
6658 mono_arch_dyn_call_free (info->dyn_call_info);
6664 mini_free_jit_domain_info (MonoDomain *domain)
6666 MonoJitDomainInfo *info = domain_jit_info (domain);
6668 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6669 g_hash_table_destroy (info->jump_target_hash);
6670 if (info->jump_target_got_slot_hash) {
6671 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6672 g_hash_table_destroy (info->jump_target_got_slot_hash);
6674 if (info->dynamic_code_hash) {
6675 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6676 g_hash_table_destroy (info->dynamic_code_hash);
6678 if (info->method_code_hash)
6679 g_hash_table_destroy (info->method_code_hash);
6680 g_hash_table_destroy (info->class_init_trampoline_hash);
6681 g_hash_table_destroy (info->jump_trampoline_hash);
6682 g_hash_table_destroy (info->jit_trampoline_hash);
6683 g_hash_table_destroy (info->delegate_trampoline_hash);
6684 if (info->static_rgctx_trampoline_hash)
6685 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6686 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6687 g_hash_table_destroy (info->runtime_invoke_hash);
6688 g_hash_table_destroy (info->seq_points);
6689 g_hash_table_destroy (info->arch_seq_points);
6690 if (info->agent_info)
6691 mono_debugger_agent_free_domain_info (domain);
6692 if (info->gsharedvt_arg_tramp_hash)
6693 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
6695 g_free (domain->runtime_info);
6696 domain->runtime_info = NULL;
6700 mini_init (const char *filename, const char *runtime_version)
6703 MonoRuntimeCallbacks callbacks;
6704 MonoThreadInfoRuntimeCallbacks ticallbacks;
6706 MONO_VES_INIT_BEGIN ();
6708 #if defined(__linux__) && !defined(__native_client__)
6709 if (access ("/proc/self/maps", F_OK) != 0) {
6710 g_print ("Mono requires /proc to be mounted.\n");
6715 /* Happens when using the embedding interface */
6716 if (!default_opt_set)
6717 default_opt = mono_parse_default_optimizations (NULL);
6719 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
6721 mono_set_generic_sharing_vt_supported (TRUE);
6724 InitializeCriticalSection (&jit_mutex);
6726 #ifdef MONO_DEBUGGER_SUPPORTED
6727 if (mini_debug_running_inside_mdb ())
6728 mini_debugger_init ();
6731 #ifdef MONO_HAVE_FAST_TLS
6732 MONO_FAST_TLS_INIT (mono_jit_tls);
6733 MONO_FAST_TLS_INIT (mono_lmf_addr);
6734 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
6735 MONO_FAST_TLS_INIT (mono_lmf);
6739 #ifdef MONO_ARCH_HAVE_TLS_GET
6740 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
6742 mono_runtime_set_has_tls_get (FALSE);
6745 if (!global_codeman)
6746 global_codeman = mono_code_manager_new ();
6747 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
6749 memset (&callbacks, 0, sizeof (callbacks));
6750 callbacks.create_ftnptr = mini_create_ftnptr;
6751 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
6752 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
6753 callbacks.set_cast_details = mono_set_cast_details;
6754 callbacks.debug_log = mono_debugger_agent_debug_log;
6755 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
6757 #ifdef MONO_ARCH_HAVE_IMT
6759 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
6760 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
6764 mono_install_callbacks (&callbacks);
6766 memset (&ticallbacks, 0, sizeof (ticallbacks));
6767 ticallbacks.setup_async_callback = mono_setup_async_callback;
6768 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
6769 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
6771 mono_threads_runtime_init (&ticallbacks);
6774 if (getenv ("MONO_DEBUG") != NULL)
6775 mini_parse_debug_options ();
6777 mono_arch_cpu_init ();
6781 mono_unwind_init ();
6783 if (getenv ("MONO_XDEBUG")) {
6784 char *xdebug_opts = getenv ("MONO_XDEBUG");
6785 mono_xdebug_init (xdebug_opts);
6786 /* So methods for multiple domains don't have the same address */
6787 mono_dont_free_domains = TRUE;
6788 mono_using_xdebug = TRUE;
6789 } else if (mini_get_debug_options ()->gdb) {
6790 mono_xdebug_init ((char*)"gdb");
6791 mono_dont_free_domains = TRUE;
6792 mono_using_xdebug = TRUE;
6796 if (mono_use_llvm) {
6797 if (!mono_llvm_load (NULL)) {
6798 mono_use_llvm = FALSE;
6799 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
6806 mono_trampolines_init ();
6808 if (!g_thread_supported ())
6809 g_thread_init (NULL);
6811 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
6813 if (default_opt & MONO_OPT_AOT)
6816 mono_debugger_agent_init ();
6818 #ifdef MONO_ARCH_GSHARED_SUPPORTED
6819 mono_set_generic_sharing_supported (TRUE);
6822 #ifndef MONO_CROSS_COMPILE
6823 mono_runtime_install_handlers ();
6825 mono_threads_install_cleanup (mini_thread_cleanup);
6827 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
6828 // This is experimental code so provide an env var to switch it off
6829 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
6830 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
6832 check_for_pending_exc = FALSE;
6833 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
6837 #define JIT_TRAMPOLINES_WORK
6838 #ifdef JIT_TRAMPOLINES_WORK
6839 mono_install_compile_method (mono_jit_compile_method);
6840 mono_install_free_method (mono_jit_free_method);
6841 mono_install_trampoline (mono_create_jit_trampoline);
6842 mono_install_jump_trampoline (mono_create_jump_trampoline);
6843 #ifndef DISABLE_REMOTING
6844 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
6846 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
6847 mono_install_create_domain_hook (mini_create_jit_domain_info);
6848 mono_install_free_domain_hook (mini_free_jit_domain_info);
6850 #define JIT_INVOKE_WORKS
6851 #ifdef JIT_INVOKE_WORKS
6852 mono_install_runtime_invoke (mono_jit_runtime_invoke);
6854 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
6855 mono_install_get_class_from_name (mono_aot_get_class_from_name);
6856 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
6858 if (debug_options.collect_pagefault_stats) {
6859 mono_aot_set_make_unreadable (TRUE);
6862 if (runtime_version)
6863 domain = mono_init_version (filename, runtime_version);
6865 domain = mono_init_from_assembly (filename, filename);
6867 if (mono_aot_only) {
6868 /* This helps catch code allocation requests */
6869 mono_code_manager_set_read_only (domain->code_mp);
6870 mono_marshal_use_aot_wrappers (TRUE);
6873 #ifdef MONO_ARCH_HAVE_IMT
6876 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
6878 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
6881 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
6882 mono_arch_finish_init ();
6885 /* This must come after mono_init () in the aot-only case */
6886 mono_exceptions_init ();
6890 /* This should come after mono_init () too */
6893 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
6894 ves_icall_get_frame_info);
6895 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
6896 ves_icall_get_trace);
6897 mono_add_internal_call ("System.Exception::get_trace",
6898 ves_icall_System_Exception_get_trace);
6899 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
6900 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
6901 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
6902 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
6903 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
6904 mono_runtime_install_handlers);
6906 #ifdef PLATFORM_ANDROID
6907 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
6908 mono_debugger_agent_unhandled_exception);
6912 mono_create_helper_signatures ();
6915 register_jit_stats ();
6917 #define JIT_CALLS_WORK
6918 #ifdef JIT_CALLS_WORK
6919 /* Needs to be called here since register_jit_icall depends on it */
6920 mono_marshal_init ();
6922 mono_arch_register_lowlevel_calls ();
6923 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
6924 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
6925 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
6926 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
6927 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
6928 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
6929 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
6930 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
6932 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
6933 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
6934 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
6935 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
6936 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
6937 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
6938 #ifndef DISABLE_REMOTING
6939 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
6940 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
6943 #if defined(__native_client__) || defined(__native_client_codegen__)
6944 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
6947 * NOTE, NOTE, NOTE, NOTE:
6948 * when adding emulation for some opcodes, remember to also add a dummy
6949 * rule to the burg files, because we need the arity information to be correct.
6951 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
6952 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
6953 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
6954 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
6955 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
6956 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
6957 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
6958 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
6961 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
6962 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
6963 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
6964 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
6967 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
6968 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
6969 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6970 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
6971 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6974 #ifdef MONO_ARCH_EMULATE_MUL_DIV
6975 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
6978 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
6979 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6980 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6983 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
6984 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
6987 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
6988 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
6989 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
6990 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
6992 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
6993 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
6995 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
6996 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6998 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
6999 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
7001 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
7002 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
7004 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
7005 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
7007 #ifdef MONO_ARCH_EMULATE_FREM
7008 #if defined(__default_codegen__)
7009 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
7010 #elif defined(__native_client_codegen__)
7011 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, FALSE);
7015 #ifdef MONO_ARCH_SOFT_FLOAT
7016 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
7017 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
7018 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
7019 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
7020 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
7021 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
7022 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
7023 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
7024 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
7025 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
7026 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
7027 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
7028 #if SIZEOF_VOID_P == 4
7029 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
7032 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
7033 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
7034 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
7035 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
7036 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
7037 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
7038 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
7039 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
7040 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
7041 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
7043 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
7044 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
7045 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
7046 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
7047 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
7049 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
7050 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
7051 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
7052 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
7055 #ifdef COMPRESSED_INTERFACE_BITMAP
7056 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
7059 #if SIZEOF_REGISTER == 4
7060 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
7063 /* other jit icalls */
7064 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
7065 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
7066 "ptr ptr ptr", FALSE);
7067 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
7068 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
7069 "ptr ptr ptr ptr", FALSE);
7070 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
7071 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
7072 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
7073 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
7074 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
7075 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7076 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7077 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7078 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7079 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7080 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7081 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
7082 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
7083 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
7084 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
7085 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7086 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
7087 register_icall (mono_break, "mono_break", NULL, TRUE);
7088 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7089 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7090 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7091 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7092 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7093 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7094 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
7095 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7096 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7097 register_icall (mono_object_tostring_gsharedvt, "mono_object_tostring_gsharedvt", "object ptr ptr ptr", TRUE);
7098 register_icall (mono_object_gethashcode_gsharedvt, "mono_object_gethashcode_gsharedvt", "int ptr ptr ptr", TRUE);
7100 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7102 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7103 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7105 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7109 register_icall (pthread_getspecific, "pthread_getspecific", NULL, TRUE);
7112 mono_generic_sharing_init ();
7114 #ifdef MONO_ARCH_SIMD_INTRINSICS
7115 mono_simd_intrinsics_init ();
7118 #if MONO_SUPPORT_TASKLETS
7119 mono_tasklets_init ();
7122 if (mono_compile_aot)
7124 * Avoid running managed code when AOT compiling, since the platform
7125 * might only support aot-only execution.
7127 mono_runtime_set_no_exec (TRUE);
7129 #define JIT_RUNTIME_WORKS
7130 #ifdef JIT_RUNTIME_WORKS
7131 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7132 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7133 mono_thread_attach (domain);
7136 mono_profiler_runtime_initialized ();
7138 MONO_VES_INIT_END ();
7143 MonoJitStats mono_jit_stats = {0};
7146 print_jit_stats (void)
7148 if (mono_jit_stats.enabled) {
7149 g_print ("Mono Jit statistics\n");
7150 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7151 mono_jit_stats.max_ratio_method);
7152 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7153 mono_jit_stats.biggest_method);
7155 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
7156 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7157 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7158 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7159 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7160 g_print ("Methods: %ld\n", mono_stats.method_count);
7161 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7162 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7163 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7165 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7166 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7167 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7169 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7170 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7171 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7172 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7174 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
7175 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
7176 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
7178 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7179 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7180 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7181 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7182 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7183 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7184 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7185 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7187 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7188 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7189 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7191 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
7192 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
7193 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7194 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7195 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7196 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7197 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7198 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7201 g_free (mono_jit_stats.max_ratio_method);
7202 mono_jit_stats.max_ratio_method = NULL;
7203 g_free (mono_jit_stats.biggest_method);
7204 mono_jit_stats.biggest_method = NULL;
7209 mini_cleanup (MonoDomain *domain)
7211 mono_runtime_shutdown_stat_profiler ();
7214 cominterop_release_all_rcws ();
7217 #ifndef MONO_CROSS_COMPILE
7218 mono_runtime_shutdown ();
7220 * mono_runtime_cleanup() and mono_domain_finalize () need to
7221 * be called early since they need the execution engine still
7222 * fully working (mono_domain_finalize may invoke managed finalizers
7223 * and mono_runtime_cleanup will wait for other threads to finish).
7225 mono_domain_finalize (domain, 2000);
7228 /* This accesses metadata so needs to be called before runtime shutdown */
7231 mono_profiler_shutdown ();
7233 #ifndef MONO_CROSS_COMPILE
7234 mono_runtime_cleanup (domain);
7237 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7239 mono_icall_cleanup ();
7241 mono_runtime_cleanup_handlers ();
7243 mono_domain_free (domain, TRUE);
7245 mono_debugger_cleanup ();
7249 mono_llvm_cleanup ();
7252 mono_aot_cleanup ();
7254 mono_trampolines_cleanup ();
7256 mono_unwind_cleanup ();
7258 if (!mono_dont_free_global_codeman)
7259 mono_code_manager_destroy (global_codeman);
7260 g_hash_table_destroy (jit_icall_name_hash);
7261 g_free (emul_opcode_map);
7262 g_free (emul_opcode_opcodes);
7263 g_free (vtable_trampolines);
7265 mono_arch_cleanup ();
7267 mono_generic_sharing_cleanup ();
7271 mono_trace_cleanup ();
7273 mono_counters_dump (-1, stdout);
7275 if (mono_inject_async_exc_method)
7276 mono_method_desc_free (mono_inject_async_exc_method);
7278 mono_native_tls_free (mono_jit_tls_id);
7280 DeleteCriticalSection (&jit_mutex);
7282 DeleteCriticalSection (&mono_delegate_section);
7284 #ifdef USE_JUMP_TABLES
7285 mono_jumptable_cleanup ();
7290 mono_set_defaults (int verbose_level, guint32 opts)
7292 mini_verbose = verbose_level;
7293 mono_set_optimizations (opts);
7297 mono_disable_optimizations (guint32 opts)
7299 default_opt &= ~opts;
7303 mono_set_optimizations (guint32 opts)
7306 default_opt_set = TRUE;
7307 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7308 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7313 mono_set_verbose_level (guint32 level)
7315 mini_verbose = level;
7319 * mono_get_runtime_build_info:
7321 * Return the runtime version + build date in string format.
7322 * The returned string is owned by the caller. The returned string
7323 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7326 mono_get_runtime_build_info (void)
7328 if (mono_build_date)
7329 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7331 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7335 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7337 GHashTable *assemblies = (GHashTable*)user_data;
7338 MonoImage *image = mono_assembly_get_image (ass);
7339 MonoMethod *method, *invoke;
7342 if (g_hash_table_lookup (assemblies, ass))
7345 g_hash_table_insert (assemblies, ass, ass);
7347 if (mini_verbose > 0)
7348 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7350 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7351 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7352 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7356 if (mini_verbose > 1) {
7357 char * desc = mono_method_full_name (method, TRUE);
7358 g_print ("Compiling %d %s\n", count, desc);
7361 mono_compile_method (method);
7362 if (strcmp (method->name, "Finalize") == 0) {
7363 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7364 mono_compile_method (invoke);
7366 #ifndef DISABLE_REMOTING
7367 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
7368 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7369 mono_compile_method (invoke);
7374 /* Load and precompile referenced assemblies as well */
7375 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7376 mono_assembly_load_reference (image, i);
7377 if (image->references [i])
7378 mono_precompile_assembly (image->references [i], assemblies);
7382 void mono_precompile_assemblies ()
7384 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7386 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7388 g_hash_table_destroy (assemblies);
7394 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7395 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7399 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7401 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7402 hole->clause = clause;
7403 hole->start_offset = start - cfg->native_code;
7404 hole->basic_block = bb;
7406 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7410 mono_cfg_set_exception (MonoCompile *cfg, int type)
7412 cfg->exception_type = type;
7417 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
7419 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
7422 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7428 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7430 g_assert_not_reached ();
7435 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
7437 g_assert_not_reached ();
7442 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
7444 g_assert_not_reached ();
7450 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(MONOTOUCH) && !defined(MONO_EXTENSIONS)
7453 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7459 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7467 #ifdef USE_JUMP_TABLES
7468 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
7470 typedef struct MonoJumpTableChunk {
7473 struct MonoJumpTableChunk *previous;
7474 /* gpointer entries[total]; */
7475 } MonoJumpTableChunk;
7477 static MonoJumpTableChunk* g_jumptable = NULL;
7478 #define mono_jumptable_lock() EnterCriticalSection (&jumptable_mutex)
7479 #define mono_jumptable_unlock() LeaveCriticalSection (&jumptable_mutex)
7480 static CRITICAL_SECTION jumptable_mutex;
7482 static MonoJumpTableChunk*
7483 mono_create_jumptable_chunk (guint32 max_entries)
7485 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
7486 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
7487 chunk->total = max_entries;
7492 mono_jumptable_init (void)
7494 if (g_jumptable == NULL) {
7495 InitializeCriticalSection (&jumptable_mutex);
7496 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
7501 mono_jumptable_add_entry (void)
7503 return mono_jumptable_add_entries (1);
7507 mono_jumptable_add_entries (guint32 entries)
7512 mono_jumptable_init ();
7513 mono_jumptable_lock ();
7514 index = g_jumptable->active;
7515 if (index + entries >= g_jumptable->total) {
7517 * Grow jumptable, by adding one more chunk.
7518 * We cannot realloc jumptable, as there could be pointers
7519 * to existing jump table entries in the code, so instead
7520 * we just add one more chunk.
7522 guint32 max_entries = entries;
7523 MonoJumpTableChunk *new_chunk;
7525 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
7526 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
7527 new_chunk = mono_create_jumptable_chunk (max_entries);
7528 /* Link old jumptable, so that we could free it up later. */
7529 new_chunk->previous = g_jumptable;
7530 g_jumptable = new_chunk;
7533 g_jumptable->active = index + entries;
7534 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
7535 mono_jumptable_unlock();
7541 mono_jumptable_cleanup (void)
7544 MonoJumpTableChunk *current = g_jumptable, *prev;
7545 while (current != NULL) {
7546 prev = current->previous;
7551 DeleteCriticalSection (&jumptable_mutex);
7556 mono_jumptable_get_entry (guint8 *code_ptr)
7558 return mono_arch_jumptable_entry_from_code (code_ptr);