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);
966 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
968 if (cfg->generic_sharing_context && !type->byref) {
969 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
970 if (mini_type_var_is_vt (cfg, type))
973 return CEE_STIND_REF;
976 return mono_type_to_stind (type);
980 mono_op_imm_to_op (int opcode)
984 #if SIZEOF_REGISTER == 4
1000 #if SIZEOF_REGISTER == 4
1006 #if SIZEOF_REGISTER == 4
1012 #if SIZEOF_REGISTER == 4
1037 case OP_ISHR_UN_IMM:
1039 case OP_LSHR_UN_IMM:
1043 case OP_IDIV_UN_IMM:
1045 case OP_IREM_UN_IMM:
1050 #if SIZEOF_REGISTER == 4
1056 #if SIZEOF_REGISTER == 4
1073 case OP_COMPARE_IMM:
1075 case OP_ICOMPARE_IMM:
1077 case OP_LOCALLOC_IMM:
1080 printf ("%s\n", mono_inst_name (opcode));
1081 g_assert_not_reached ();
1087 * mono_decompose_op_imm:
1089 * Replace the OP_.._IMM INS with its non IMM variant.
1092 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1096 MONO_INST_NEW (cfg, temp, OP_ICONST);
1097 temp->inst_c0 = ins->inst_imm;
1098 temp->dreg = mono_alloc_ireg (cfg);
1099 mono_bblock_insert_before_ins (bb, ins, temp);
1100 ins->opcode = mono_op_imm_to_op (ins->opcode);
1101 if (ins->opcode == OP_LOCALLOC)
1102 ins->sreg1 = temp->dreg;
1104 ins->sreg2 = temp->dreg;
1106 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1110 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1112 if (vreg >= cfg->vreg_to_inst_len) {
1113 MonoInst **tmp = cfg->vreg_to_inst;
1114 int size = cfg->vreg_to_inst_len;
1116 while (vreg >= cfg->vreg_to_inst_len)
1117 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1118 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1120 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1122 cfg->vreg_to_inst [vreg] = inst;
1125 #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)))
1126 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1131 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1139 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1142 int num = cfg->num_varinfo;
1145 if ((num + 1) >= cfg->varinfo_count) {
1146 int orig_count = cfg->varinfo_count;
1147 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1148 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1149 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1150 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1153 cfg->stat_allocate_var++;
1155 MONO_INST_NEW (cfg, inst, opcode);
1156 inst->inst_c0 = num;
1157 inst->inst_vtype = type;
1158 inst->klass = mono_class_from_mono_type (type);
1159 type_to_eval_stack_type (cfg, type, inst);
1160 /* if set to 1 the variable is native */
1161 inst->backend.is_pinvoke = 0;
1164 if (inst->klass->exception_type)
1165 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1167 if (cfg->compute_gc_maps) {
1169 mono_mark_vreg_as_mp (cfg, vreg);
1171 MonoType *t = mini_type_get_underlying_type (NULL, type);
1172 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1173 inst->flags |= MONO_INST_GC_TRACK;
1174 mono_mark_vreg_as_ref (cfg, vreg);
1179 cfg->varinfo [num] = inst;
1181 MONO_INIT_VARINFO (&cfg->vars [num], num);
1182 MONO_VARINFO (cfg, num)->vreg = vreg;
1185 set_vreg_to_inst (cfg, vreg, inst);
1187 #if SIZEOF_REGISTER == 4
1188 #ifdef MONO_ARCH_SOFT_FLOAT
1189 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1191 regpair = mono_type_is_long (type);
1201 * These two cannot be allocated using create_var_for_vreg since that would
1202 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1206 * Set flags to VOLATILE so SSA skips it.
1209 if (cfg->verbose_level >= 4) {
1210 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1213 #ifdef MONO_ARCH_SOFT_FLOAT
1214 if (cfg->opt & MONO_OPT_SSA) {
1215 if (mono_type_is_float (type))
1216 inst->flags = MONO_INST_VOLATILE;
1220 /* Allocate a dummy MonoInst for the first vreg */
1221 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1222 tree->dreg = inst->dreg + 1;
1223 if (cfg->opt & MONO_OPT_SSA)
1224 tree->flags = MONO_INST_VOLATILE;
1225 tree->inst_c0 = num;
1226 tree->type = STACK_I4;
1227 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1228 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1230 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1232 /* Allocate a dummy MonoInst for the second vreg */
1233 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1234 tree->dreg = inst->dreg + 2;
1235 if (cfg->opt & MONO_OPT_SSA)
1236 tree->flags = MONO_INST_VOLATILE;
1237 tree->inst_c0 = num;
1238 tree->type = STACK_I4;
1239 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1240 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1242 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1246 if (cfg->verbose_level > 2)
1247 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1252 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1256 if (mono_type_is_long (type))
1257 dreg = mono_alloc_dreg (cfg, STACK_I8);
1258 #ifdef MONO_ARCH_SOFT_FLOAT
1259 else if (mono_type_is_float (type))
1260 dreg = mono_alloc_dreg (cfg, STACK_R8);
1263 /* All the others are unified */
1264 dreg = mono_alloc_preg (cfg);
1266 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1270 * Transform a MonoInst into a load from the variable of index var_index.
1273 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1274 memset (dest, 0, sizeof (MonoInst));
1275 dest->inst_i0 = cfg->varinfo [var_index];
1276 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1277 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1278 dest->klass = dest->inst_i0->klass;
1284 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1286 if (vreg >= cfg->vreg_is_ref_len) {
1287 gboolean *tmp = cfg->vreg_is_ref;
1288 int size = cfg->vreg_is_ref_len;
1290 while (vreg >= cfg->vreg_is_ref_len)
1291 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1292 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1294 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1296 cfg->vreg_is_ref [vreg] = TRUE;
1300 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1302 if (vreg >= cfg->vreg_is_mp_len) {
1303 gboolean *tmp = cfg->vreg_is_mp;
1304 int size = cfg->vreg_is_mp_len;
1306 while (vreg >= cfg->vreg_is_mp_len)
1307 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1308 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1310 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1312 cfg->vreg_is_mp [vreg] = TRUE;
1316 type_from_stack_type (MonoInst *ins) {
1317 switch (ins->type) {
1318 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1319 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1320 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1321 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1324 * this if used to be commented without any specific reason, but
1325 * it breaks #80235 when commented
1328 return &ins->klass->this_arg;
1330 return &mono_defaults.object_class->this_arg;
1332 /* ins->klass may not be set for ldnull.
1333 * Also, if we have a boxed valuetype, we want an object lass,
1334 * not the valuetype class
1336 if (ins->klass && !ins->klass->valuetype)
1337 return &ins->klass->byval_arg;
1338 return &mono_defaults.object_class->byval_arg;
1339 case STACK_VTYPE: return &ins->klass->byval_arg;
1341 g_error ("stack type %d to montype not handled\n", ins->type);
1347 mono_type_from_stack_type (MonoInst *ins) {
1348 return type_from_stack_type (ins);
1352 * mono_add_ins_to_end:
1354 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1357 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1362 MONO_ADD_INS (bb, inst);
1366 switch (bb->last_ins->opcode) {
1380 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1383 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1384 /* Need to insert the ins before the compare */
1385 if (bb->code == bb->last_ins) {
1386 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1390 if (bb->code->next == bb->last_ins) {
1391 /* Only two instructions */
1392 opcode = bb->code->opcode;
1394 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)) {
1396 mono_bblock_insert_before_ins (bb, bb->code, inst);
1398 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1401 opcode = bb->last_ins->prev->opcode;
1403 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)) {
1405 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1407 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1412 MONO_ADD_INS (bb, inst);
1418 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1420 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1421 MonoJumpInfoBBTable *table;
1423 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1425 table->table_size = num_blocks;
1427 ji->ip.label = label;
1428 ji->type = MONO_PATCH_INFO_SWITCH;
1429 ji->data.table = table;
1430 ji->next = cfg->patch_info;
1431 cfg->patch_info = ji;
1434 static MonoMethodSignature *
1435 mono_get_array_new_va_signature (int arity)
1437 static GHashTable *sighash = NULL;
1438 MonoMethodSignature *res;
1443 sighash = g_hash_table_new (NULL, NULL);
1445 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1450 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1453 #ifdef MONO_ARCH_VARARG_ICALLS
1454 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1455 res->call_convention = MONO_CALL_VARARG;
1459 res->call_convention = MONO_CALL_C;
1462 res->params [0] = &mono_defaults.int_class->byval_arg;
1463 for (i = 0; i < arity; i++)
1464 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1466 res->ret = &mono_defaults.object_class->byval_arg;
1468 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1475 mono_get_array_new_va_icall (int rank)
1477 MonoMethodSignature *esig;
1478 char icall_name [256];
1480 MonoJitICallInfo *info;
1482 /* Need to register the icall so it gets an icall wrapper */
1483 sprintf (icall_name, "ves_array_new_va_%d", rank);
1486 info = mono_find_jit_icall_by_name (icall_name);
1488 esig = mono_get_array_new_va_signature (rank);
1489 name = g_strdup (icall_name);
1490 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1492 g_hash_table_insert (jit_icall_name_hash, name, name);
1500 mini_class_is_system_array (MonoClass *klass)
1502 if (klass->parent == mono_defaults.array_class)
1509 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1511 MonoAssembly *assembly = method->klass->image->assembly;
1512 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1514 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1516 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1518 return mono_assembly_has_skip_verification (assembly);
1522 * mini_method_verify:
1524 * Verify the method using the new verfier.
1526 * Returns true if the method is invalid.
1529 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1532 gboolean is_fulltrust;
1533 MonoLoaderError *error;
1535 if (method->verification_success)
1538 if (!mono_verifier_is_enabled_for_method (method))
1541 /*skip verification implies the assembly must be */
1542 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1544 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1546 if ((error = mono_loader_get_last_error ())) {
1548 cfg->exception_type = error->exception_type;
1550 mono_loader_clear_error ();
1552 mono_free_verify_list (res);
1557 for (tmp = res; tmp; tmp = tmp->next) {
1558 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1559 if (info->info.status == MONO_VERIFY_ERROR) {
1561 char *method_name = mono_method_full_name (method, TRUE);
1562 cfg->exception_type = info->exception_type;
1563 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1564 g_free (method_name);
1566 mono_free_verify_list (res);
1569 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1571 char *method_name = mono_method_full_name (method, TRUE);
1572 cfg->exception_type = info->exception_type;
1573 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1574 g_free (method_name);
1576 mono_free_verify_list (res);
1580 mono_free_verify_list (res);
1582 method->verification_success = 1;
1586 /*Returns true if something went wrong*/
1588 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1590 MonoMethod *method_definition = method;
1591 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1593 while (method_definition->is_inflated) {
1594 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1595 method_definition = imethod->declaring;
1598 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1601 static gconstpointer
1602 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1605 MonoMethod *wrapper;
1606 gconstpointer trampoline;
1607 MonoDomain *domain = mono_get_root_domain ();
1609 if (callinfo->wrapper) {
1610 return callinfo->wrapper;
1613 if (callinfo->trampoline)
1614 return callinfo->trampoline;
1617 * We use the lock on the root domain instead of the JIT lock to protect
1618 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1620 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1621 mono_domain_lock (domain);
1623 if (callinfo->trampoline) {
1624 mono_domain_unlock (domain);
1625 mono_loader_unlock ();
1626 return callinfo->trampoline;
1629 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1630 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1634 trampoline = mono_compile_method (wrapper);
1636 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1637 mono_register_jit_icall_wrapper (callinfo, trampoline);
1639 callinfo->trampoline = trampoline;
1641 mono_domain_unlock (domain);
1642 mono_loader_unlock ();
1644 return callinfo->trampoline;
1648 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1650 return mono_icall_get_wrapper_full (callinfo, FALSE);
1654 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1656 if (!domain_jit_info (domain)->dynamic_code_hash)
1657 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1658 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1661 static MonoJitDynamicMethodInfo*
1662 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1664 MonoJitDynamicMethodInfo *res;
1666 if (domain_jit_info (domain)->dynamic_code_hash)
1667 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1675 GList *active, *inactive;
1680 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1682 MonoMethodVar *v1 = (MonoMethodVar*)a;
1683 MonoMethodVar *v2 = (MonoMethodVar*)b;
1687 else if (v1->interval->range && v2->interval->range)
1688 return v1->interval->range->from - v2->interval->range->from;
1689 else if (v1->interval->range)
1698 #define LSCAN_DEBUG(a) do { a; } while (0)
1700 #define LSCAN_DEBUG(a)
1704 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1706 int i, slot, offset, size;
1711 GList *vars = NULL, *l, *unhandled;
1712 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1715 gboolean reuse_slot;
1717 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1719 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1720 vtype_stack_slots = NULL;
1723 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1724 for (i = 0; i < cfg->num_varinfo; ++i)
1727 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1728 inst = cfg->varinfo [i];
1729 vmv = MONO_VARINFO (cfg, i);
1731 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1734 vars = g_list_prepend (vars, vmv);
1737 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1742 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1743 MonoMethodVar *current = unhandled->data;
1745 if (current->interval->range) {
1746 g_assert (current->interval->range->from >= i);
1747 i = current->interval->range->from;
1754 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1755 MonoMethodVar *current = unhandled->data;
1758 inst = cfg->varinfo [vmv->idx];
1760 t = mono_type_get_underlying_type (inst->inst_vtype);
1761 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1762 t = mini_get_gsharedvt_alloc_type_for_type (cfg, t);
1764 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1765 * pinvoke wrappers when they call functions returning structures */
1766 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1767 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1772 size = mono_type_size (t, &ialign);
1775 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1780 if (cfg->disable_reuse_stack_slots)
1784 case MONO_TYPE_GENERICINST:
1785 if (!mono_type_generic_inst_is_valuetype (t)) {
1786 slot_info = &scalar_stack_slots [t->type];
1790 case MONO_TYPE_VALUETYPE:
1791 if (!vtype_stack_slots)
1792 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1793 for (i = 0; i < nvtypes; ++i)
1794 if (t->data.klass == vtype_stack_slots [i].vtype)
1797 slot_info = &vtype_stack_slots [i];
1799 g_assert (nvtypes < 256);
1800 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1801 slot_info = &vtype_stack_slots [nvtypes];
1804 if (cfg->disable_reuse_ref_stack_slots)
1811 #if SIZEOF_VOID_P == 4
1816 if (cfg->disable_ref_noref_stack_slot_share) {
1817 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1822 case MONO_TYPE_CLASS:
1823 case MONO_TYPE_OBJECT:
1824 case MONO_TYPE_ARRAY:
1825 case MONO_TYPE_SZARRAY:
1826 case MONO_TYPE_STRING:
1827 /* Share non-float stack slots of the same size */
1828 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1829 if (cfg->disable_reuse_ref_stack_slots)
1834 slot_info = &scalar_stack_slots [t->type];
1838 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1842 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1844 if (!current->interval->range) {
1845 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1849 inst->flags |= MONO_INST_IS_DEAD;
1854 pos = current->interval->range->from;
1856 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1857 if (current->interval->range)
1858 LSCAN_DEBUG (mono_linterval_print (current->interval));
1859 LSCAN_DEBUG (printf ("\n"));
1861 /* Check for intervals in active which expired or inactive */
1863 /* FIXME: Optimize this */
1866 for (l = slot_info->active; l != NULL; l = l->next) {
1867 MonoMethodVar *v = (MonoMethodVar*)l->data;
1869 if (v->interval->last_range->to < pos) {
1870 slot_info->active = g_list_delete_link (slot_info->active, l);
1871 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1872 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1876 else if (!mono_linterval_covers (v->interval, pos)) {
1877 slot_info->inactive = g_list_append (slot_info->inactive, v);
1878 slot_info->active = g_list_delete_link (slot_info->active, l);
1879 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1886 /* Check for intervals in inactive which expired or active */
1888 /* FIXME: Optimize this */
1891 for (l = slot_info->inactive; l != NULL; l = l->next) {
1892 MonoMethodVar *v = (MonoMethodVar*)l->data;
1894 if (v->interval->last_range->to < pos) {
1895 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1896 // FIXME: Enabling this seems to cause impossible to debug crashes
1897 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1898 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1902 else if (mono_linterval_covers (v->interval, pos)) {
1903 slot_info->active = g_list_append (slot_info->active, v);
1904 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1905 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1913 * This also handles the case when the variable is used in an
1914 * exception region, as liveness info is not computed there.
1917 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1920 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1921 if (slot_info->slots) {
1922 slot = GPOINTER_TO_INT (slot_info->slots->data);
1924 slot_info->slots = slot_info->slots->next;
1927 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1929 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1935 static int count = 0;
1938 if (count == atoi (getenv ("COUNT3")))
1939 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1940 if (count > atoi (getenv ("COUNT3")))
1943 mono_print_ins (inst);
1948 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1950 if (inst->flags & MONO_INST_LMF) {
1951 size = sizeof (MonoLMF);
1952 align = sizeof (mgreg_t);
1959 if (slot == 0xffffff) {
1961 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1962 * efficient copying (and to work around the fact that OP_MEMCPY
1963 * and OP_MEMSET ignores alignment).
1965 if (MONO_TYPE_ISSTRUCT (t)) {
1966 align = MAX (align, sizeof (gpointer));
1967 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1972 offset += align - 1;
1973 offset &= ~(align - 1);
1977 offset += align - 1;
1978 offset &= ~(align - 1);
1983 if (*stack_align == 0)
1984 *stack_align = align;
1987 offsets [vmv->idx] = slot;
1990 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1991 if (scalar_stack_slots [i].active)
1992 g_list_free (scalar_stack_slots [i].active);
1994 for (i = 0; i < nvtypes; ++i) {
1995 if (vtype_stack_slots [i].active)
1996 g_list_free (vtype_stack_slots [i].active);
1999 cfg->stat_locals_stack_size += offset;
2001 *stack_size = offset;
2006 * mono_allocate_stack_slots:
2008 * Allocate stack slots for all non register allocated variables using a
2009 * linear scan algorithm.
2010 * Returns: an array of stack offsets.
2011 * STACK_SIZE is set to the amount of stack space needed.
2012 * STACK_ALIGN is set to the alignment needed by the locals area.
2015 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2017 int i, slot, offset, size;
2022 GList *vars = NULL, *l;
2023 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2026 gboolean reuse_slot;
2028 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2029 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2031 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2032 vtype_stack_slots = NULL;
2035 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2036 for (i = 0; i < cfg->num_varinfo; ++i)
2039 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2040 inst = cfg->varinfo [i];
2041 vmv = MONO_VARINFO (cfg, i);
2043 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2046 vars = g_list_prepend (vars, vmv);
2049 vars = mono_varlist_sort (cfg, vars, 0);
2051 *stack_align = sizeof(mgreg_t);
2052 for (l = vars; l; l = l->next) {
2054 inst = cfg->varinfo [vmv->idx];
2056 t = mono_type_get_underlying_type (inst->inst_vtype);
2057 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2058 t = mini_get_gsharedvt_alloc_type_for_type (cfg, t);
2060 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2061 * pinvoke wrappers when they call functions returning structures */
2062 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2063 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2067 size = mono_type_size (t, &ialign);
2070 if (mono_class_from_mono_type (t)->exception_type)
2071 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2073 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2078 if (cfg->disable_reuse_stack_slots)
2082 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2085 case MONO_TYPE_GENERICINST:
2086 if (!mono_type_generic_inst_is_valuetype (t)) {
2087 slot_info = &scalar_stack_slots [t->type];
2091 case MONO_TYPE_VALUETYPE:
2092 if (!vtype_stack_slots)
2093 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2094 for (i = 0; i < nvtypes; ++i)
2095 if (t->data.klass == vtype_stack_slots [i].vtype)
2098 slot_info = &vtype_stack_slots [i];
2100 g_assert (nvtypes < 256);
2101 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2102 slot_info = &vtype_stack_slots [nvtypes];
2105 if (cfg->disable_reuse_ref_stack_slots)
2112 #if SIZEOF_VOID_P == 4
2117 if (cfg->disable_ref_noref_stack_slot_share) {
2118 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2123 case MONO_TYPE_CLASS:
2124 case MONO_TYPE_OBJECT:
2125 case MONO_TYPE_ARRAY:
2126 case MONO_TYPE_SZARRAY:
2127 case MONO_TYPE_STRING:
2128 /* Share non-float stack slots of the same size */
2129 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2130 if (cfg->disable_reuse_ref_stack_slots)
2134 case MONO_TYPE_MVAR:
2135 slot_info = &scalar_stack_slots [t->type];
2138 slot_info = &scalar_stack_slots [t->type];
2144 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2145 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2147 /* expire old intervals in active */
2148 while (slot_info->active) {
2149 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2151 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2154 //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);
2156 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2157 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2161 * This also handles the case when the variable is used in an
2162 * exception region, as liveness info is not computed there.
2165 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2168 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2169 if (slot_info->slots) {
2170 slot = GPOINTER_TO_INT (slot_info->slots->data);
2172 slot_info->slots = slot_info->slots->next;
2175 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2180 static int count = 0;
2184 if (count == atoi (getenv ("COUNT")))
2185 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2186 if (count > atoi (getenv ("COUNT")))
2189 mono_print_ins (inst);
2194 if (inst->flags & MONO_INST_LMF) {
2196 * This variable represents a MonoLMF structure, which has no corresponding
2197 * CLR type, so hard-code its size/alignment.
2199 size = sizeof (MonoLMF);
2200 align = sizeof (mgreg_t);
2207 if (slot == 0xffffff) {
2209 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2210 * efficient copying (and to work around the fact that OP_MEMCPY
2211 * and OP_MEMSET ignores alignment).
2213 if (MONO_TYPE_ISSTRUCT (t)) {
2214 align = MAX (align, sizeof (gpointer));
2215 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2217 * Align the size too so the code generated for passing vtypes in
2218 * registers doesn't overwrite random locals.
2220 size = (size + (align - 1)) & ~(align -1);
2225 offset += align - 1;
2226 offset &= ~(align - 1);
2230 offset += align - 1;
2231 offset &= ~(align - 1);
2236 *stack_align = MAX (*stack_align, align);
2239 offsets [vmv->idx] = slot;
2242 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2243 if (scalar_stack_slots [i].active)
2244 g_list_free (scalar_stack_slots [i].active);
2246 for (i = 0; i < nvtypes; ++i) {
2247 if (vtype_stack_slots [i].active)
2248 g_list_free (vtype_stack_slots [i].active);
2251 cfg->stat_locals_stack_size += offset;
2253 *stack_size = offset;
2260 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2262 g_assert_not_reached ();
2266 #endif /* DISABLE_JIT */
2268 #define EMUL_HIT_SHIFT 3
2269 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2270 /* small hit bitmap cache */
2271 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2272 static short emul_opcode_num = 0;
2273 static short emul_opcode_alloced = 0;
2274 static short *emul_opcode_opcodes = NULL;
2275 static MonoJitICallInfo **emul_opcode_map = NULL;
2278 mono_find_jit_opcode_emulation (int opcode)
2280 g_assert (opcode >= 0 && opcode <= OP_LAST);
2281 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2283 for (i = 0; i < emul_opcode_num; ++i) {
2284 if (emul_opcode_opcodes [i] == opcode)
2285 return emul_opcode_map [i];
2292 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
2294 MonoJitICallInfo *info;
2295 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2297 g_assert (!sig->hasthis);
2298 g_assert (sig->param_count < 3);
2300 info = mono_register_jit_icall (func, name, sig, no_throw);
2302 if (emul_opcode_num >= emul_opcode_alloced) {
2303 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2304 emul_opcode_alloced += incr;
2305 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2306 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2308 emul_opcode_map [emul_opcode_num] = info;
2309 emul_opcode_opcodes [emul_opcode_num] = opcode;
2311 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2315 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2317 MonoMethodSignature *sig;
2320 sig = mono_create_icall_signature (sigstr);
2324 mono_register_jit_icall (func, name, sig, save);
2328 print_dfn (MonoCompile *cfg) {
2335 char *method_name = mono_method_full_name (cfg->method, TRUE);
2336 g_print ("IR code for method %s\n", method_name);
2337 g_free (method_name);
2340 for (i = 0; i < cfg->num_bblocks; ++i) {
2341 bb = cfg->bblocks [i];
2342 /*if (bb->cil_code) {
2343 char* code1, *code2;
2344 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2345 if (bb->last_ins->cil_code)
2346 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2348 code2 = g_strdup ("");
2350 code1 [strlen (code1) - 1] = 0;
2351 code = g_strdup_printf ("%s -> %s", code1, code2);
2355 code = g_strdup ("\n");
2356 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2357 MONO_BB_FOR_EACH_INS (bb, c) {
2358 mono_print_ins_index (-1, c);
2361 g_print ("\tprev:");
2362 for (j = 0; j < bb->in_count; ++j) {
2363 g_print (" BB%d", bb->in_bb [j]->block_num);
2365 g_print ("\t\tsucc:");
2366 for (j = 0; j < bb->out_count; ++j) {
2367 g_print (" BB%d", bb->out_bb [j]->block_num);
2369 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2372 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2375 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2377 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2385 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2387 MONO_ADD_INS (bb, inst);
2391 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2395 bb->code = ins_to_insert;
2397 /* Link with next */
2398 ins_to_insert->next = ins;
2400 ins->prev = ins_to_insert;
2402 if (bb->last_ins == NULL)
2403 bb->last_ins = ins_to_insert;
2405 /* Link with next */
2406 ins_to_insert->next = ins->next;
2408 ins->next->prev = ins_to_insert;
2410 /* Link with previous */
2411 ins->next = ins_to_insert;
2412 ins_to_insert->prev = ins;
2414 if (bb->last_ins == ins)
2415 bb->last_ins = ins_to_insert;
2420 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2425 ins->prev = ins_to_insert;
2426 bb->code = ins_to_insert;
2427 ins_to_insert->next = ins;
2428 if (bb->last_ins == NULL)
2429 bb->last_ins = ins_to_insert;
2431 /* Link with previous */
2433 ins->prev->next = ins_to_insert;
2434 ins_to_insert->prev = ins->prev;
2436 /* Link with next */
2437 ins->prev = ins_to_insert;
2438 ins_to_insert->next = ins;
2440 if (bb->code == ins)
2441 bb->code = ins_to_insert;
2446 * mono_verify_bblock:
2448 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2451 mono_verify_bblock (MonoBasicBlock *bb)
2453 MonoInst *ins, *prev;
2456 for (ins = bb->code; ins; ins = ins->next) {
2457 g_assert (ins->prev == prev);
2461 g_assert (!bb->last_ins->next);
2467 * Perform consistency checks on the JIT data structures and the IR
2470 mono_verify_cfg (MonoCompile *cfg)
2474 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2475 mono_verify_bblock (bb);
2479 mono_destroy_compile (MonoCompile *cfg)
2484 mono_metadata_free_mh (cfg->header);
2485 //mono_mempool_stats (cfg->mempool);
2486 mono_free_loop_info (cfg);
2488 mono_regstate_free (cfg->rs);
2490 g_hash_table_destroy (cfg->spvars);
2492 g_hash_table_destroy (cfg->exvars);
2493 for (l = cfg->headers_to_free; l; l = l->next)
2494 mono_metadata_free_mh (l->data);
2495 g_list_free (cfg->ldstr_list);
2496 g_hash_table_destroy (cfg->token_info_hash);
2497 if (cfg->abs_patches)
2498 g_hash_table_destroy (cfg->abs_patches);
2499 mono_mempool_destroy (cfg->mempool);
2501 mono_debug_free_method (cfg);
2503 g_free (cfg->varinfo);
2505 g_free (cfg->exception_message);
2509 #ifdef MONO_HAVE_FAST_TLS
2510 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2511 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2513 * When this is defined, the current lmf is stored in this tls variable instead of in
2516 MONO_FAST_TLS_DECLARE(mono_lmf);
2521 mono_get_jit_tls_key (void)
2523 return mono_jit_tls_id;
2527 mono_get_jit_tls_offset (void)
2530 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2535 mono_get_lmf_tls_offset (void)
2537 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2539 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2547 mono_get_lmf_addr_tls_offset (void)
2550 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2557 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2558 return MONO_FAST_TLS_GET (mono_lmf);
2560 MonoJitTlsData *jit_tls;
2562 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2563 return jit_tls->lmf;
2565 * We do not assert here because this function can be called from
2566 * mini-gc.c on a thread that has not executed any managed code, yet
2567 * (the thread object allocation can trigger a collection).
2574 mono_get_lmf_addr (void)
2576 #ifdef MONO_HAVE_FAST_TLS
2577 return MONO_FAST_TLS_GET (mono_lmf_addr);
2579 MonoJitTlsData *jit_tls;
2581 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2582 return &jit_tls->lmf;
2585 * When resolving the call to mono_jit_thread_attach full-aot will look
2586 * in the plt, which causes a call into the generic trampoline, which in turn
2587 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2588 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2589 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2592 mono_jit_thread_attach (NULL);
2594 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2595 return &jit_tls->lmf;
2597 g_assert_not_reached ();
2603 mono_set_lmf (MonoLMF *lmf)
2605 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2606 MONO_FAST_TLS_SET (mono_lmf, lmf);
2609 (*mono_get_lmf_addr ()) = lmf;
2613 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2615 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2617 #ifdef MONO_HAVE_FAST_TLS
2618 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2623 mono_set_lmf_addr (gpointer lmf_addr)
2625 #ifdef MONO_HAVE_FAST_TLS
2626 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2631 * mono_jit_thread_attach:
2633 * Called by native->managed wrappers. Returns the original domain which needs to be
2634 * restored, or NULL.
2637 mono_jit_thread_attach (MonoDomain *domain)
2643 * Happens when called from AOTed code which is only used in the root
2646 domain = mono_get_root_domain ();
2648 #ifdef MONO_HAVE_FAST_TLS
2649 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2650 mono_thread_attach (domain);
2652 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2655 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2656 mono_thread_attach (domain);
2657 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2660 orig = mono_domain_get ();
2662 mono_domain_set (domain, TRUE);
2664 return orig != domain ? orig : NULL;
2667 /* Called by native->managed wrappers */
2669 mono_jit_set_domain (MonoDomain *domain)
2672 mono_domain_set (domain, TRUE);
2676 * mono_thread_abort:
2677 * @obj: exception object
2679 * abort the thread, print exception information and stack trace
2682 mono_thread_abort (MonoObject *obj)
2684 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2686 /* handle_remove should be eventually called for this thread, too
2689 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2690 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2691 mono_thread_exit ();
2693 mono_invoke_unhandled_exception_hook (obj);
2698 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2700 MonoJitTlsData *jit_tls;
2703 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2707 jit_tls = g_new0 (MonoJitTlsData, 1);
2709 jit_tls->abort_func = abort_func;
2710 jit_tls->end_of_stack = stack_start;
2712 mono_set_jit_tls (jit_tls);
2714 lmf = g_new0 (MonoLMF, 1);
2715 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2717 jit_tls->first_lmf = lmf;
2719 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2720 /* jit_tls->lmf is unused */
2721 MONO_FAST_TLS_SET (mono_lmf, lmf);
2722 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2724 mono_set_lmf_addr (&jit_tls->lmf);
2729 mono_setup_altstack (jit_tls);
2735 free_jit_tls_data (MonoJitTlsData *jit_tls)
2737 mono_arch_free_jit_tls_data (jit_tls);
2738 mono_free_altstack (jit_tls);
2740 g_free (jit_tls->first_lmf);
2745 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2747 MonoInternalThread *thread;
2748 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2749 thread = mono_thread_internal_current ();
2750 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2752 thread->jit_data = jit_tls;
2754 mono_arch_cpu_init ();
2757 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2760 mono_thread_abort_dummy (MonoObject *obj)
2762 if (mono_thread_attach_aborted_cb)
2763 mono_thread_attach_aborted_cb (obj);
2765 mono_thread_abort (obj);
2769 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2771 MonoInternalThread *thread;
2772 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2773 thread = mono_thread_internal_current ();
2774 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2776 thread->jit_data = jit_tls;
2777 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2778 mono_runtime_setup_stat_profiler ();
2780 mono_arch_cpu_init ();
2784 mini_thread_cleanup (MonoInternalThread *thread)
2786 MonoJitTlsData *jit_tls = thread->jit_data;
2789 mono_debugger_thread_cleanup (jit_tls);
2791 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2792 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2793 * not a trivial thing.
2795 * The current offender is mono_thread_manage which cleanup threads from the outside.
2797 if (thread == mono_thread_internal_current ())
2798 mono_set_jit_tls (NULL);
2800 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2801 if (mono_get_lmf ()) {
2802 mono_set_lmf (NULL);
2803 mono_set_lmf_addr (NULL);
2806 free_jit_tls_data (jit_tls);
2808 thread->jit_data = NULL;
2813 mono_create_tls_get (MonoCompile *cfg, int offset)
2815 #ifdef MONO_ARCH_HAVE_TLS_GET
2816 if (MONO_ARCH_HAVE_TLS_GET) {
2822 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2823 ins->dreg = mono_alloc_preg (cfg);
2824 ins->inst_offset = offset;
2832 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2834 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2838 mono_get_domain_intrinsic (MonoCompile* cfg)
2840 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2844 mono_get_thread_intrinsic (MonoCompile* cfg)
2846 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2850 mono_get_lmf_intrinsic (MonoCompile* cfg)
2852 return mono_create_tls_get (cfg, mono_get_lmf_tls_offset ());
2856 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2858 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2862 ji->data.target = target;
2863 ji->next = cfg->patch_info;
2865 cfg->patch_info = ji;
2869 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2871 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2875 ji->data.target = target;
2882 mono_remove_patch_info (MonoCompile *cfg, int ip)
2884 MonoJumpInfo **ji = &cfg->patch_info;
2887 if ((*ji)->ip.i == ip)
2890 ji = &((*ji)->next);
2895 * mono_patch_info_dup_mp:
2897 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2900 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2902 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2903 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2905 switch (patch_info->type) {
2906 case MONO_PATCH_INFO_RVA:
2907 case MONO_PATCH_INFO_LDSTR:
2908 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2909 case MONO_PATCH_INFO_LDTOKEN:
2910 case MONO_PATCH_INFO_DECLSEC:
2911 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2912 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2914 case MONO_PATCH_INFO_SWITCH:
2915 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2916 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2917 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2918 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2920 case MONO_PATCH_INFO_RGCTX_FETCH:
2921 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2922 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2923 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2933 mono_patch_info_hash (gconstpointer data)
2935 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2938 case MONO_PATCH_INFO_RVA:
2939 case MONO_PATCH_INFO_LDSTR:
2940 case MONO_PATCH_INFO_LDTOKEN:
2941 case MONO_PATCH_INFO_DECLSEC:
2942 return (ji->type << 8) | ji->data.token->token;
2943 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2944 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
2945 case MONO_PATCH_INFO_INTERNAL_METHOD:
2946 return (ji->type << 8) | g_str_hash (ji->data.name);
2947 case MONO_PATCH_INFO_VTABLE:
2948 case MONO_PATCH_INFO_CLASS:
2949 case MONO_PATCH_INFO_IID:
2950 case MONO_PATCH_INFO_ADJUSTED_IID:
2951 case MONO_PATCH_INFO_CLASS_INIT:
2952 case MONO_PATCH_INFO_METHODCONST:
2953 case MONO_PATCH_INFO_METHOD:
2954 case MONO_PATCH_INFO_METHOD_JUMP:
2955 case MONO_PATCH_INFO_IMAGE:
2956 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2957 case MONO_PATCH_INFO_FIELD:
2958 case MONO_PATCH_INFO_SFLDA:
2959 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2960 return (ji->type << 8) | (gssize)ji->data.target;
2962 return (ji->type << 8);
2967 * mono_patch_info_equal:
2969 * This might fail to recognize equivalent patches, i.e. floats, so its only
2970 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2974 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2976 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2977 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2979 if (ji1->type != ji2->type)
2982 switch (ji1->type) {
2983 case MONO_PATCH_INFO_RVA:
2984 case MONO_PATCH_INFO_LDSTR:
2985 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2986 case MONO_PATCH_INFO_LDTOKEN:
2987 case MONO_PATCH_INFO_DECLSEC:
2988 if ((ji1->data.token->image != ji2->data.token->image) ||
2989 (ji1->data.token->token != ji2->data.token->token) ||
2990 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2991 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2992 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2995 case MONO_PATCH_INFO_INTERNAL_METHOD:
2996 return g_str_equal (ji1->data.name, ji2->data.name);
2998 case MONO_PATCH_INFO_RGCTX_FETCH: {
2999 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3000 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3002 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);
3005 if (ji1->data.target != ji2->data.target)
3014 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3016 unsigned char *ip = patch_info->ip.i + code;
3017 gconstpointer target = NULL;
3019 switch (patch_info->type) {
3020 case MONO_PATCH_INFO_BB:
3022 * FIXME: This could be hit for methods without a prolog. Should use -1
3023 * but too much code depends on a 0 initial value.
3025 //g_assert (patch_info->data.bb->native_offset);
3026 target = patch_info->data.bb->native_offset + code;
3028 case MONO_PATCH_INFO_ABS:
3029 target = patch_info->data.target;
3031 case MONO_PATCH_INFO_LABEL:
3032 target = patch_info->data.inst->inst_c0 + code;
3034 case MONO_PATCH_INFO_IP:
3035 #if defined(__native_client__) && defined(__native_client_codegen__)
3036 /* Need to transform to the destination address, it's */
3037 /* emitted as an immediate in the code. */
3038 target = nacl_inverse_modify_patch_target(ip);
3043 case MONO_PATCH_INFO_METHOD_REL:
3044 target = code + patch_info->data.offset;
3046 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3047 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3049 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3050 g_assert_not_reached ();
3052 target = mono_icall_get_wrapper (mi);
3055 case MONO_PATCH_INFO_METHOD_JUMP:
3056 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3057 #if defined(__native_client__) && defined(__native_client_codegen__)
3058 #if defined(TARGET_AMD64)
3059 /* This target is an absolute address, not relative to the */
3060 /* current code being emitted on AMD64. */
3061 target = nacl_inverse_modify_patch_target(target);
3065 case MONO_PATCH_INFO_METHOD:
3066 if (patch_info->data.method == method) {
3069 /* get the trampoline to the method from the domain */
3070 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3073 case MONO_PATCH_INFO_SWITCH: {
3074 gpointer *jump_table;
3077 #if defined(__native_client__) && defined(__native_client_codegen__)
3078 /* This memory will leak, but we don't care if we're */
3079 /* not deleting JIT'd methods anyway */
3080 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3082 if (method && method->dynamic) {
3083 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3085 if (mono_aot_only) {
3086 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3088 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3093 for (i = 0; i < patch_info->data.table->table_size; i++) {
3094 #if defined(__native_client__) && defined(__native_client_codegen__)
3095 /* 'code' is relative to the current code blob, we */
3096 /* need to do this transform on it to make the */
3097 /* pointers in this table absolute */
3098 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3100 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3104 #if defined(__native_client__) && defined(__native_client_codegen__)
3105 /* jump_table is in the data section, we need to transform */
3106 /* it here so when it gets modified in amd64_patch it will */
3107 /* then point back to the absolute data address */
3108 target = nacl_inverse_modify_patch_target (jump_table);
3110 target = jump_table;
3114 case MONO_PATCH_INFO_METHODCONST:
3115 case MONO_PATCH_INFO_CLASS:
3116 case MONO_PATCH_INFO_IMAGE:
3117 case MONO_PATCH_INFO_FIELD:
3118 case MONO_PATCH_INFO_SIGNATURE:
3119 target = patch_info->data.target;
3121 case MONO_PATCH_INFO_IID:
3122 mono_class_init (patch_info->data.klass);
3123 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3125 case MONO_PATCH_INFO_ADJUSTED_IID:
3126 mono_class_init (patch_info->data.klass);
3127 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3129 case MONO_PATCH_INFO_VTABLE:
3130 target = mono_class_vtable (domain, patch_info->data.klass);
3133 case MONO_PATCH_INFO_CLASS_INIT: {
3134 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3137 target = mono_create_class_init_trampoline (vtable);
3140 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3141 target = mono_create_delegate_trampoline (domain, patch_info->data.klass);
3143 case MONO_PATCH_INFO_SFLDA: {
3144 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3146 if (mono_class_field_is_special_static (patch_info->data.field)) {
3147 gpointer addr = NULL;
3149 mono_domain_lock (domain);
3150 if (domain->special_static_fields)
3151 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3152 mono_domain_unlock (domain);
3158 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3159 /* Done by the generated code */
3163 mono_runtime_class_init (vtable);
3165 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3168 case MONO_PATCH_INFO_RVA: {
3169 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3172 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3173 target = mono_image_rva_map (patch_info->data.token->image, rva);
3176 case MONO_PATCH_INFO_R4:
3177 case MONO_PATCH_INFO_R8:
3178 target = patch_info->data.target;
3180 case MONO_PATCH_INFO_EXC_NAME:
3181 target = patch_info->data.name;
3183 case MONO_PATCH_INFO_LDSTR:
3185 mono_ldstr (domain, patch_info->data.token->image,
3186 mono_metadata_token_index (patch_info->data.token->token));
3188 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3190 MonoClass *handle_class;
3192 handle = mono_ldtoken (patch_info->data.token->image,
3193 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3194 mono_class_init (handle_class);
3195 mono_class_init (mono_class_from_mono_type (handle));
3198 mono_type_get_object (domain, handle);
3201 case MONO_PATCH_INFO_LDTOKEN: {
3203 MonoClass *handle_class;
3205 handle = mono_ldtoken (patch_info->data.token->image,
3206 patch_info->data.token->token, &handle_class, NULL);
3207 mono_class_init (handle_class);
3212 case MONO_PATCH_INFO_DECLSEC:
3213 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3215 case MONO_PATCH_INFO_ICALL_ADDR:
3216 /* run_cctors == 0 -> AOT */
3217 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3218 const char *exc_class;
3219 const char *exc_arg;
3222 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3225 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3226 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));
3232 target = mono_lookup_internal_call (patch_info->data.method);
3234 if (!target && run_cctors)
3235 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3238 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3239 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3241 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3242 g_assert_not_reached ();
3247 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3248 target = mono_thread_interruption_request_flag ();
3250 case MONO_PATCH_INFO_METHOD_RGCTX: {
3251 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3254 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3257 case MONO_PATCH_INFO_BB_OVF:
3258 case MONO_PATCH_INFO_EXC_OVF:
3259 case MONO_PATCH_INFO_GOT_OFFSET:
3260 case MONO_PATCH_INFO_NONE:
3262 case MONO_PATCH_INFO_RGCTX_FETCH: {
3263 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3266 switch (entry->data->type) {
3267 case MONO_PATCH_INFO_CLASS:
3268 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));
3270 case MONO_PATCH_INFO_METHOD:
3271 case MONO_PATCH_INFO_METHODCONST:
3272 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));
3274 case MONO_PATCH_INFO_FIELD:
3275 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));
3277 case MONO_PATCH_INFO_SIGNATURE:
3278 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));
3281 g_assert_not_reached ();
3285 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3288 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3289 target = mono_create_generic_class_init_trampoline ();
3291 case MONO_PATCH_INFO_MONITOR_ENTER:
3292 target = mono_create_monitor_enter_trampoline ();
3294 case MONO_PATCH_INFO_MONITOR_EXIT:
3295 target = mono_create_monitor_exit_trampoline ();
3297 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3298 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3300 /* AOT, not needed */
3303 target = mono_arch_get_seq_point_info (domain, code);
3306 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3307 #ifdef MONO_ARCH_LLVM_SUPPORTED
3308 g_assert (mono_use_llvm);
3309 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3311 g_assert_not_reached ();
3314 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3315 int card_table_shift_bits;
3316 gpointer card_table_mask;
3318 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3321 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3322 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3326 g_assert_not_reached ();
3329 return (gpointer)target;
3333 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3335 ins->inst_offset = native_offset;
3336 g_ptr_array_add (cfg->seq_points, ins);
3337 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3338 bb->last_seq_point = ins;
3342 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3344 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3347 g_assert (offset == 0);
3349 entry->is_reg = is_reg;
3351 entry->offset = offset;
3355 if (var == cfg->args [0])
3356 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3357 else if (var == cfg->rgctx_var)
3358 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3364 mono_compile_create_vars (MonoCompile *cfg)
3366 MonoMethodSignature *sig;
3367 MonoMethodHeader *header;
3370 header = cfg->header;
3372 sig = mono_method_signature (cfg->method);
3374 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3375 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3376 /* Inhibit optimizations */
3377 cfg->ret->flags |= MONO_INST_VOLATILE;
3379 if (cfg->verbose_level > 2)
3380 g_print ("creating vars\n");
3382 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3385 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3387 for (i = 0; i < sig->param_count; ++i) {
3388 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3391 if (cfg->verbose_level > 2) {
3393 printf ("\treturn : ");
3394 mono_print_ins (cfg->ret);
3398 printf ("\tthis: ");
3399 mono_print_ins (cfg->args [0]);
3402 for (i = 0; i < sig->param_count; ++i) {
3403 printf ("\targ [%d]: ", i);
3404 mono_print_ins (cfg->args [i + sig->hasthis]);
3408 cfg->locals_start = cfg->num_varinfo;
3409 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3411 if (cfg->verbose_level > 2)
3412 g_print ("creating locals\n");
3414 for (i = 0; i < header->num_locals; ++i)
3415 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3417 if (cfg->verbose_level > 2)
3418 g_print ("locals done\n");
3420 mono_arch_create_vars (cfg);
3423 #endif /* #ifndef DISABLE_JIT */
3426 mono_print_code (MonoCompile *cfg, const char* msg)
3430 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3431 mono_print_bb (bb, msg);
3437 mono_postprocess_patches (MonoCompile *cfg)
3439 MonoJumpInfo *patch_info;
3442 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3443 switch (patch_info->type) {
3444 case MONO_PATCH_INFO_ABS: {
3445 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3448 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3452 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3453 // FIXME: CLEAN UP THIS MESS.
3454 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
3455 strstr (cfg->method->name, info->name)) {
3457 * This is an icall wrapper, and this is a call to the
3460 if (cfg->compile_aot) {
3461 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
3462 patch_info->data.name = info->name;
3465 /* for these array methods we currently register the same function pointer
3466 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3467 * will return the incorrect one depending on the order they are registered.
3468 * See tests/test-arr.cs
3470 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3471 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3472 patch_info->data.name = info->name;
3477 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3478 if (cfg->abs_patches) {
3479 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3481 patch_info->type = abs_ji->type;
3482 patch_info->data.target = abs_ji->data.target;
3489 case MONO_PATCH_INFO_SWITCH: {
3491 #if defined(__native_client__) && defined(__native_client_codegen__)
3492 /* This memory will leak. */
3493 /* TODO: can we free this when */
3494 /* making the final jump table? */
3495 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3497 if (cfg->method->dynamic) {
3498 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3500 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3504 for (i = 0; i < patch_info->data.table->table_size; i++) {
3505 /* Might be NULL if the switch is eliminated */
3506 if (patch_info->data.table->table [i]) {
3507 g_assert (patch_info->data.table->table [i]->native_offset);
3508 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3513 patch_info->data.table->table = (MonoBasicBlock**)table;
3516 case MONO_PATCH_INFO_METHOD_JUMP: {
3517 MonoJumpList *jlist;
3518 MonoDomain *domain = cfg->domain;
3519 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3520 #if defined(__native_client__) && defined(__native_client_codegen__)
3521 /* When this jump target gets evaluated, the method */
3522 /* will be installed in the dynamic code section, */
3523 /* not at the location of cfg->native_code. */
3524 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3527 mono_domain_lock (domain);
3528 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3530 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3531 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3533 jlist->list = g_slist_prepend (jlist->list, ip);
3534 mono_domain_unlock (domain);
3545 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3548 MonoBasicBlock *in_bb;
3551 for (i = 0; i < bb->in_count; ++i) {
3552 in_bb = bb->in_bb [i];
3554 if (in_bb->last_seq_point) {
3555 int src_index = in_bb->last_seq_point->backend.size;
3556 int dst_index = ins->backend.size;
3558 /* bb->in_bb might contain duplicates */
3559 for (l = next [src_index]; l; l = l->next)
3560 if (GPOINTER_TO_UINT (l->data) == dst_index)
3563 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
3565 /* Have to look at its predecessors */
3567 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3573 mono_save_seq_point_info (MonoCompile *cfg)
3576 GSList *bb_seq_points, *l;
3578 MonoDomain *domain = cfg->domain;
3580 MonoSeqPointInfo *info;
3583 if (!cfg->seq_points)
3586 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3587 info->len = cfg->seq_points->len;
3588 for (i = 0; i < cfg->seq_points->len; ++i) {
3589 SeqPoint *sp = &info->seq_points [i];
3590 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3592 sp->il_offset = ins->inst_imm;
3593 sp->native_offset = ins->inst_offset;
3596 ins->backend.size = i;
3600 * For each sequence point, compute the list of sequence points immediately
3601 * following it, this is needed to implement 'step over' in the debugger agent.
3603 next = g_new0 (GSList*, cfg->seq_points->len);
3604 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3605 bb_seq_points = g_slist_reverse (bb->seq_points);
3607 for (l = bb_seq_points; l; l = l->next) {
3608 MonoInst *ins = l->data;
3610 if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
3611 /* Used to implement method entry/exit events */
3615 /* Link with the previous seq point in the same bb */
3616 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3618 /* Link with the last bb in the previous bblocks */
3619 collect_pred_seq_points (bb, ins, next, 0);
3625 if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY) {
3626 MonoBasicBlock *bb2;
3627 MonoInst *endfinally_seq_point = NULL;
3630 * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
3632 l = g_slist_last (bb->seq_points);
3634 endfinally_seq_point = l->data;
3636 for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
3637 GSList *l = g_slist_last (bb2->seq_points);
3640 MonoInst *ins = l->data;
3642 if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
3643 next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3649 if (cfg->verbose_level > 2) {
3650 printf ("\nSEQ POINT MAP: \n");
3653 for (i = 0; i < cfg->seq_points->len; ++i) {
3654 SeqPoint *sp = &info->seq_points [i];
3658 sp->next_len = g_slist_length (next [i]);
3659 sp->next = g_new (int, sp->next_len);
3661 if (cfg->verbose_level > 2 && next [i]) {
3662 printf ("\tIL0x%x ->", sp->il_offset);
3663 for (l = next [i]; l; l = l->next) {
3664 next_index = GPOINTER_TO_UINT (l->data);
3665 printf (" IL0x%x", info->seq_points [next_index].il_offset);
3669 for (l = next [i]; l; l = l->next) {
3670 next_index = GPOINTER_TO_UINT (l->data);
3671 sp->next [j ++] = next_index;
3673 g_slist_free (next [i]);
3677 cfg->seq_point_info = info;
3679 // FIXME: dynamic methods
3680 if (!cfg->compile_aot) {
3681 mono_domain_lock (domain);
3682 // FIXME: How can the lookup succeed ?
3683 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3684 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3685 mono_domain_unlock (domain);
3688 g_ptr_array_free (cfg->seq_points, TRUE);
3689 cfg->seq_points = NULL;
3693 mono_codegen (MonoCompile *cfg)
3696 int max_epilog_size;
3698 MonoDomain *code_domain;
3700 if (mono_using_xdebug)
3702 * Recent gdb versions have trouble processing symbol files containing
3703 * overlapping address ranges, so allocate all code from the code manager
3704 * of the root domain. (#666152).
3706 code_domain = mono_get_root_domain ();
3708 code_domain = cfg->domain;
3710 #if defined(__native_client_codegen__) && defined(__native_client__)
3713 /* This keeps patch targets from being transformed during
3714 * ordinary method compilation, for local branches and jumps.
3716 nacl_allow_target_modification (FALSE);
3719 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3720 cfg->spill_count = 0;
3721 /* we reuse dfn here */
3722 /* bb->dfn = bb_count++; */
3724 mono_arch_lowering_pass (cfg, bb);
3726 if (cfg->opt & MONO_OPT_PEEPHOLE)
3727 mono_arch_peephole_pass_1 (cfg, bb);
3730 mono_local_regalloc (cfg, bb);
3732 if (cfg->opt & MONO_OPT_PEEPHOLE)
3733 mono_arch_peephole_pass_2 (cfg, bb);
3736 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3737 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3739 code = mono_arch_emit_prolog (cfg);
3741 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3742 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3744 cfg->code_len = code - cfg->native_code;
3745 cfg->prolog_end = cfg->code_len;
3747 mono_debug_open_method (cfg);
3749 /* emit code all basic blocks */
3750 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3751 bb->native_offset = cfg->code_len;
3752 bb->real_native_offset = cfg->code_len;
3753 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3754 mono_arch_output_basic_block (cfg, bb);
3755 bb->native_length = cfg->code_len - bb->native_offset;
3757 if (bb == cfg->bb_exit) {
3758 cfg->epilog_begin = cfg->code_len;
3760 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3761 code = cfg->native_code + cfg->code_len;
3762 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3763 cfg->code_len = code - cfg->native_code;
3764 g_assert (cfg->code_len < cfg->code_size);
3767 mono_arch_emit_epilog (cfg);
3771 #ifdef __native_client_codegen__
3772 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3774 mono_arch_emit_exceptions (cfg);
3776 max_epilog_size = 0;
3778 /* we always allocate code in cfg->domain->code_mp to increase locality */
3779 cfg->code_size = cfg->code_len + max_epilog_size;
3780 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3782 if (cfg->method->dynamic) {
3783 guint unwindlen = 0;
3784 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3785 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3787 /* Allocate the code into a separate memory pool so it can be freed */
3788 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3789 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3790 mono_domain_lock (cfg->domain);
3791 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3792 mono_domain_unlock (cfg->domain);
3794 if (mono_using_xdebug)
3795 /* See the comment for cfg->code_domain */
3796 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3798 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3800 guint unwindlen = 0;
3801 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3802 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3804 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3806 #if defined(__native_client_codegen__) && defined(__native_client__)
3807 nacl_allow_target_modification (TRUE);
3811 memcpy (code, cfg->native_code, cfg->code_len);
3812 #if defined(__default_codegen__)
3813 g_free (cfg->native_code);
3814 #elif defined(__native_client_codegen__)
3815 if (cfg->native_code_alloc) {
3816 g_free (cfg->native_code_alloc);
3817 cfg->native_code_alloc = 0;
3819 else if (cfg->native_code) {
3820 g_free (cfg->native_code);
3822 #endif /* __native_client_codegen__ */
3823 cfg->native_code = code;
3824 code = cfg->native_code + cfg->code_len;
3826 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3827 mono_postprocess_patches (cfg);
3829 #ifdef VALGRIND_JIT_REGISTER_MAP
3830 if (valgrind_register){
3831 char* nm = mono_method_full_name (cfg->method, TRUE);
3832 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3837 if (cfg->verbose_level > 0) {
3838 char* nm = mono_method_full_name (cfg->method, TRUE);
3839 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3841 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3846 gboolean is_generic = FALSE;
3848 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3849 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3853 if (cfg->generic_sharing_context)
3854 g_assert (is_generic);
3857 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3858 mono_arch_save_unwind_info (cfg);
3861 #if defined(__native_client_codegen__) && defined(__native_client__)
3862 if (!cfg->compile_aot) {
3863 if (cfg->method->dynamic) {
3864 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
3866 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
3871 #if defined(__native_client_codegen__)
3872 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3875 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);
3877 if (cfg->method->dynamic) {
3878 if (mono_using_xdebug)
3879 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3881 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3883 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3885 #if defined(__native_client_codegen__) && defined(__native_client__)
3886 cfg->native_code = code_dest;
3888 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3890 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3892 mono_debug_close_method (cfg);
3894 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3895 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3900 compute_reachable (MonoBasicBlock *bb)
3904 if (!(bb->flags & BB_VISITED)) {
3905 bb->flags |= BB_VISITED;
3906 for (i = 0; i < bb->out_count; ++i)
3907 compute_reachable (bb->out_bb [i]);
3912 mono_handle_out_of_line_bblock (MonoCompile *cfg)
3915 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3916 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
3918 MONO_INST_NEW (cfg, ins, OP_BR);
3919 MONO_ADD_INS (bb, ins);
3920 ins->inst_target_bb = bb->next_bb;
3925 #endif /* #ifndef DISABLE_JIT */
3928 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
3930 MonoDomain *domain = mono_get_root_domain ();
3935 if (info->uw_info) {
3936 uw_info = info->uw_info;
3937 info_len = info->uw_info_len;
3939 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
3942 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
3943 jinfo->method = wrapper;
3944 jinfo->code_start = info->code;
3945 jinfo->code_size = info->code_size;
3946 jinfo->used_regs = mono_cache_unwind_info (uw_info, info_len);
3954 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3957 MonoMethodHeader *header;
3960 int generic_info_size, arch_eh_info_size = 0;
3961 int holes_size = 0, num_holes = 0, cas_size = 0;
3962 guint32 stack_size = 0;
3964 g_assert (method_to_compile == cfg->method);
3965 header = cfg->header;
3967 if (cfg->generic_sharing_context)
3968 generic_info_size = sizeof (MonoGenericJitInfo);
3970 generic_info_size = 0;
3972 if (cfg->arch_eh_jit_info) {
3973 MonoJitArgumentInfo *arg_info;
3974 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
3977 * This cannot be computed during stack walking, as
3978 * mono_arch_get_argument_info () is not signal safe.
3980 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
3981 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
3984 arch_eh_info_size = sizeof (MonoArchEHJitInfo);
3987 if (cfg->try_block_holes) {
3988 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3989 TryBlockHole *hole = tmp->data;
3990 MonoExceptionClause *ec = hole->clause;
3991 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
3992 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3993 g_assert (clause_last_bb);
3995 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3996 if (clause_last_bb->native_offset != hole_end)
4000 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
4001 if (G_UNLIKELY (cfg->verbose_level >= 4))
4002 printf ("Number of try block holes %d\n", num_holes);
4005 if (mono_method_has_declsec (cfg->method_to_register)) {
4006 cas_size = sizeof (MonoMethodCasInfo);
4009 if (COMPILE_LLVM (cfg))
4010 num_clauses = cfg->llvm_ex_info_len;
4012 num_clauses = header->num_clauses;
4014 if (cfg->method->dynamic) {
4015 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
4016 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4018 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
4019 (num_clauses * sizeof (MonoJitExceptionInfo)) +
4020 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4023 jinfo->method = cfg->method_to_register;
4024 jinfo->code_start = cfg->native_code;
4025 jinfo->code_size = cfg->code_len;
4026 jinfo->used_regs = cfg->used_int_regs;
4027 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4028 jinfo->num_clauses = num_clauses;
4030 if (COMPILE_LLVM (cfg))
4031 jinfo->from_llvm = TRUE;
4033 if (cfg->generic_sharing_context) {
4035 MonoGenericJitInfo *gi;
4036 GSList *loclist = NULL;
4038 jinfo->has_generic_jit_info = 1;
4040 gi = mono_jit_info_get_generic_jit_info (jinfo);
4043 if (cfg->method->dynamic)
4044 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4046 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4047 memcpy (gi->generic_sharing_context, cfg->generic_sharing_context, sizeof (MonoGenericSharingContext));
4049 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4050 mini_method_get_context (method_to_compile)->method_inst ||
4051 method_to_compile->klass->valuetype) {
4052 g_assert (cfg->rgctx_var);
4057 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4058 mini_method_get_context (method_to_compile)->method_inst ||
4059 method_to_compile->klass->valuetype) {
4060 inst = cfg->rgctx_var;
4061 if (!COMPILE_LLVM (cfg))
4062 g_assert (inst->opcode == OP_REGOFFSET);
4063 loclist = cfg->rgctx_loclist;
4065 inst = cfg->args [0];
4066 loclist = cfg->this_loclist;
4070 /* Needed to handle async exceptions */
4074 gi->nlocs = g_slist_length (loclist);
4075 if (cfg->method->dynamic)
4076 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4078 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4080 for (l = loclist; l; l = l->next) {
4081 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4086 if (COMPILE_LLVM (cfg)) {
4087 g_assert (cfg->llvm_this_reg != -1);
4088 gi->this_in_reg = 0;
4089 gi->this_reg = cfg->llvm_this_reg;
4090 gi->this_offset = cfg->llvm_this_offset;
4091 } else if (inst->opcode == OP_REGVAR) {
4092 gi->this_in_reg = 1;
4093 gi->this_reg = inst->dreg;
4095 g_assert (inst->opcode == OP_REGOFFSET);
4097 g_assert (inst->inst_basereg == X86_EBP);
4098 #elif defined(TARGET_AMD64)
4099 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4101 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4103 gi->this_in_reg = 0;
4104 gi->this_reg = inst->inst_basereg;
4105 gi->this_offset = inst->inst_offset;
4110 MonoTryBlockHoleTableJitInfo *table;
4113 jinfo->has_try_block_holes = 1;
4114 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4115 table->num_holes = (guint16)num_holes;
4117 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4118 guint32 start_bb_offset;
4119 MonoTryBlockHoleJitInfo *hole;
4120 TryBlockHole *hole_data = tmp->data;
4121 MonoExceptionClause *ec = hole_data->clause;
4122 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4123 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4124 g_assert (clause_last_bb);
4126 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4127 if (clause_last_bb->native_offset == hole_end)
4130 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4131 hole = &table->holes [i++];
4132 hole->clause = hole_data->clause - &header->clauses [0];
4133 hole->offset = (guint32)hole_data->start_offset;
4134 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4136 if (G_UNLIKELY (cfg->verbose_level >= 4))
4137 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4139 g_assert (i == num_holes);
4142 if (arch_eh_info_size) {
4143 MonoArchEHJitInfo *info;
4145 jinfo->has_arch_eh_info = 1;
4146 info = mono_jit_info_get_arch_eh_info (jinfo);
4148 info->stack_size = stack_size;
4152 jinfo->has_cas_info = 1;
4155 if (COMPILE_LLVM (cfg)) {
4157 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4158 } else if (header->num_clauses) {
4161 for (i = 0; i < header->num_clauses; i++) {
4162 MonoExceptionClause *ec = &header->clauses [i];
4163 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4164 MonoBasicBlock *tblock;
4167 ei->flags = ec->flags;
4169 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4170 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4172 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4173 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4175 ei->data.filter = cfg->native_code + tblock->native_offset;
4177 ei->data.catch_class = ec->data.catch_class;
4180 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4182 g_assert (tblock->native_offset);
4183 ei->try_start = cfg->native_code + tblock->native_offset;
4184 if (tblock->extend_try_block) {
4186 * Extend the try block backwards to include parts of the previous call
4189 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4191 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4193 if (!tblock->native_offset) {
4195 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4196 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4197 if (bb && bb->native_offset) {
4203 ei->try_end = cfg->native_code + tblock->native_offset;
4204 g_assert (tblock->native_offset);
4205 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4207 ei->handler_start = cfg->native_code + tblock->native_offset;
4209 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4210 TryBlockHole *hole = tmp->data;
4211 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4212 if (hole->clause == ec && hole_end == ei->try_end) {
4213 if (G_UNLIKELY (cfg->verbose_level >= 4))
4214 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4216 ei->try_end = cfg->native_code + hole->start_offset;
4221 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4223 if (ec->handler_offset + ec->handler_len < header->code_size) {
4224 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4226 end_offset = tblock->native_offset;
4228 end_offset = cfg->epilog_begin;
4230 ei->data.handler_end = cfg->native_code + end_offset;
4235 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4237 for (i = 0; i < jinfo->num_clauses; i++) {
4238 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4239 int start = (guint8*)ei->try_start - cfg->native_code;
4240 int end = (guint8*)ei->try_end - cfg->native_code;
4241 int handler = (guint8*)ei->handler_start - cfg->native_code;
4243 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
4248 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4249 * using it during runtime, hence the define.
4251 #ifdef MONO_ARCH_HAVE_XP_UNWIND
4252 if (cfg->encoded_unwind_ops) {
4253 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4254 g_free (cfg->encoded_unwind_ops);
4255 } else if (cfg->unwind_ops) {
4257 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4259 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4260 g_free (unwind_info);
4269 get_gsharedvt_type (MonoType *t)
4271 MonoGenericParam *par = t->data.generic_param;
4275 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4276 * a different instantiation.
4278 g_assert (mono_generic_param_info (par));
4279 par = g_memdup (par, sizeof (MonoGenericParamFull));
4282 par->image = mono_defaults.corlib;
4284 res = mono_metadata_type_dup (NULL, t);
4285 res->data.generic_param = par;
4291 is_gsharedvt_type (MonoType *t)
4293 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4296 /* Return whenever METHOD is a gsharedvt method */
4298 is_gsharedvt_method (MonoMethod *method)
4300 MonoGenericContext *context;
4301 MonoGenericInst *inst;
4304 if (!method->is_inflated)
4306 context = mono_method_get_context (method);
4307 inst = context->class_inst;
4309 for (i = 0; i < inst->type_argc; ++i)
4310 if (is_gsharedvt_type (inst->type_argv [i]))
4313 inst = context->method_inst;
4315 for (i = 0; i < inst->type_argc; ++i)
4316 if (is_gsharedvt_type (inst->type_argv [i]))
4323 * mini_get_shared_method_full:
4325 * Return the method which is actually compiled/registered when doing generic sharing.
4326 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4327 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4330 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4332 MonoGenericContext shared_context;
4333 MonoMethod *declaring_method, *res;
4335 gboolean partial = FALSE;
4336 gboolean gsharedvt = FALSE;
4338 if (method->is_generic || method->klass->generic_container)
4339 declaring_method = method;
4341 declaring_method = mono_method_get_declaring_generic_method (method);
4343 if (declaring_method->is_generic)
4344 shared_context = mono_method_get_generic_container (declaring_method)->context;
4346 shared_context = declaring_method->klass->generic_container->context;
4348 /* Handle gsharedvt/partial sharing */
4349 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE, TRUE)) ||
4350 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4351 MonoGenericContext *context = mono_method_get_context (method);
4352 MonoGenericInst *inst;
4353 MonoType **type_argv;
4355 gsharedvt = is_gsharedvt || mini_is_gsharedvt_sharable_method (method);
4358 * Create the shared context by replacing the ref type arguments with
4359 * type parameters, and keeping the rest.
4362 inst = context->class_inst;
4364 type_argv = g_new0 (MonoType*, inst->type_argc);
4365 for (i = 0; i < inst->type_argc; ++i) {
4366 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))
4367 type_argv [i] = shared_context.class_inst->type_argv [i];
4369 type_argv [i] = get_gsharedvt_type (shared_context.class_inst->type_argv [i]);
4371 type_argv [i] = inst->type_argv [i];
4374 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4378 inst = context->method_inst;
4380 type_argv = g_new0 (MonoType*, inst->type_argc);
4381 for (i = 0; i < inst->type_argc; ++i) {
4382 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))
4383 type_argv [i] = shared_context.method_inst->type_argv [i];
4385 type_argv [i] = get_gsharedvt_type (shared_context.method_inst->type_argv [i]);
4387 type_argv [i] = inst->type_argv [i];
4390 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4395 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4397 /* The result should be an inflated method whose parent is not inflated */
4398 g_assert (!res->klass->is_inflated);
4404 mini_get_shared_method (MonoMethod *method)
4406 return mini_get_shared_method_full (method, FALSE, FALSE);
4410 mini_init_gsctx_full (MonoGenericContext *context, MonoGenericSharingContext *gsctx, gboolean all_vt)
4412 MonoGenericInst *inst;
4415 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4417 if (context->class_inst) {
4418 inst = context->class_inst;
4419 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4421 for (i = 0; i < inst->type_argc; ++i) {
4422 MonoType *type = inst->type_argv [i];
4424 if (!all_vt && (MONO_TYPE_IS_REFERENCE (type) || (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR))) {
4426 gsctx->var_is_vt [i] = TRUE;
4430 if (context->method_inst) {
4431 inst = context->method_inst;
4432 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4434 for (i = 0; i < inst->type_argc; ++i) {
4435 MonoType *type = inst->type_argv [i];
4437 if (!all_vt && (MONO_TYPE_IS_REFERENCE (type) || (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR))) {
4439 gsctx->mvar_is_vt [i] = TRUE;
4446 mini_init_gsctx (MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4448 mini_init_gsctx_full (context, gsctx, FALSE);
4453 * mini_method_compile:
4454 * @method: the method to compile
4455 * @opts: the optimization flags to use
4456 * @domain: the domain where the method will be compiled in
4457 * @run_cctors: whether we should run type ctors if possible
4458 * @compile_aot: whether this is an AOT compilation
4459 * @parts: debug flag
4461 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4462 * field in the returned struct to see if compilation succeded.
4465 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4467 MonoMethodHeader *header;
4468 MonoMethodSignature *sig;
4472 int dfn, i, code_size_ratio;
4473 gboolean deadce_has_run = FALSE;
4474 gboolean try_generic_shared, try_llvm = FALSE;
4475 MonoMethod *method_to_compile, *method_to_register;
4476 gboolean method_is_gshared = FALSE;
4478 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4479 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4480 mono_profiler_method_jit (method);
4481 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4482 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4486 * We might get passed the original generic method definition or
4487 * instances with type parameters.
4488 * FIXME: Remove the method->klass->generic_class limitation.
4490 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4491 (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)));
4493 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4494 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE, TRUE);
4496 if (opts & MONO_OPT_GSHARED) {
4497 if (try_generic_shared)
4498 mono_stats.generics_sharable_methods++;
4499 else if (mono_method_is_generic_impl (method))
4500 mono_stats.generics_unsharable_methods++;
4503 if (mini_is_gsharedvt_sharable_method (method)) {
4504 if (!mono_debug_count ())
4505 try_generic_shared = FALSE;
4507 try_generic_shared = FALSE;
4510 if (is_gsharedvt_method (method)) {
4511 /* We are AOTing a gshared method directly */
4512 method_is_gshared = TRUE;
4513 g_assert (compile_aot);
4514 try_generic_shared = TRUE;
4518 try_llvm = mono_use_llvm;
4522 if (method_is_gshared) {
4523 method_to_compile = method;
4525 if (try_generic_shared) {
4526 method_to_compile = mini_get_shared_method (method);
4527 g_assert (method_to_compile);
4529 method_to_compile = method;
4533 cfg = g_new0 (MonoCompile, 1);
4534 cfg->method = method_to_compile;
4535 cfg->header = mono_method_get_header (cfg->method);
4536 cfg->mempool = mono_mempool_new ();
4538 cfg->prof_options = mono_profiler_get_events ();
4539 cfg->run_cctors = run_cctors;
4540 cfg->domain = domain;
4541 cfg->verbose_level = mini_verbose;
4542 cfg->compile_aot = compile_aot;
4543 cfg->skip_visibility = method->skip_visibility;
4544 cfg->orig_method = method;
4545 cfg->gen_seq_points = debug_options.gen_seq_points;
4546 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4547 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4548 if (try_generic_shared)
4549 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
4550 cfg->compile_llvm = try_llvm;
4551 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4553 if (cfg->gen_seq_points)
4554 cfg->seq_points = g_ptr_array_new ();
4556 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
4557 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4561 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
4562 MonoMethodInflated *inflated;
4563 MonoGenericContext *context;
4565 g_assert (method->is_inflated);
4566 inflated = (MonoMethodInflated*)method;
4567 context = &inflated->context;
4569 // FIXME: Free the contents of gsctx if compilation fails
4570 if (method_is_gshared) {
4571 /* We are compiling a gsharedvt method directly */
4572 g_assert (compile_aot);
4573 mini_init_gsctx_full (context, &cfg->gsctx, TRUE);
4575 mini_init_gsctx (context, &cfg->gsctx);
4578 cfg->gsharedvt = TRUE;
4580 cfg->disable_llvm = TRUE;
4583 if (cfg->generic_sharing_context) {
4584 method_to_register = method_to_compile;
4586 g_assert (method == method_to_compile);
4587 method_to_register = method;
4589 cfg->method_to_register = method_to_register;
4591 mono_error_init (&err);
4592 sig = mono_method_signature_checked (cfg->method, &err);
4594 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4595 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4596 mono_error_cleanup (&err);
4597 if (MONO_METHOD_COMPILE_END_ENABLED ())
4598 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4602 header = cfg->header;
4604 MonoLoaderError *error;
4606 if ((error = mono_loader_get_last_error ())) {
4607 cfg->exception_type = error->exception_type;
4609 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4610 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4612 if (MONO_METHOD_COMPILE_END_ENABLED ())
4613 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4619 static gboolean inited;
4626 * Check for methods which cannot be compiled by LLVM early, to avoid
4627 * the extra compilation pass.
4629 if (COMPILE_LLVM (cfg)) {
4630 mono_llvm_check_method_supported (cfg);
4631 if (cfg->disable_llvm) {
4632 if (cfg->verbose_level >= 1) {
4633 //nm = mono_method_full_name (cfg->method, TRUE);
4634 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4637 mono_destroy_compile (cfg);
4639 goto restart_compile;
4645 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4646 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4647 cfg->disable_reuse_registers = TRUE;
4648 cfg->disable_reuse_stack_slots = TRUE;
4650 * This decreases the change the debugger will read registers/stack slots which are
4651 * not yet initialized.
4653 cfg->disable_initlocals_opt = TRUE;
4655 cfg->extend_live_ranges = TRUE;
4657 /* Temporarily disable this when running in the debugger until we have support
4658 * for this in the debugger. */
4659 /* This is no longer needed with sdb */
4660 //cfg->disable_omit_fp = TRUE;
4662 /* The debugger needs all locals to be on the stack or in a global register */
4663 cfg->disable_vreg_to_lvreg = TRUE;
4665 /* Don't remove unused variables when running inside the debugger since the user
4666 * may still want to view them. */
4667 cfg->disable_deadce_vars = TRUE;
4669 // cfg->opt |= MONO_OPT_SHARED;
4670 cfg->opt &= ~MONO_OPT_DEADCE;
4671 cfg->opt &= ~MONO_OPT_INLINE;
4672 cfg->opt &= ~MONO_OPT_COPYPROP;
4673 cfg->opt &= ~MONO_OPT_CONSPROP;
4674 /* This is no longer needed with sdb */
4675 //cfg->opt &= ~MONO_OPT_GSHARED;
4677 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4678 cfg->disable_out_of_line_bblocks = TRUE;
4681 if (mono_using_xdebug) {
4683 * Make each variable use its own register/stack slot and extend
4684 * their liveness to cover the whole method, making them displayable
4685 * in gdb even after they are dead.
4687 cfg->disable_reuse_registers = TRUE;
4688 cfg->disable_reuse_stack_slots = TRUE;
4689 cfg->extend_live_ranges = TRUE;
4690 cfg->compute_precise_live_ranges = TRUE;
4693 mini_gc_init_cfg (cfg);
4695 if (COMPILE_LLVM (cfg)) {
4696 cfg->opt |= MONO_OPT_ABCREM;
4699 if (getenv ("MONO_VERBOSE_METHOD")) {
4700 char *name = getenv ("MONO_VERBOSE_METHOD");
4702 if ((strchr (name, '.') > name) || strchr (name, ':')) {
4703 MonoMethodDesc *desc;
4705 desc = mono_method_desc_new (name, TRUE);
4706 if (mono_method_desc_full_match (desc, cfg->method)) {
4707 cfg->verbose_level = 4;
4709 mono_method_desc_free (desc);
4711 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
4712 cfg->verbose_level = 4;
4716 ip = (guint8 *)header->code;
4718 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
4720 if (cfg->verbose_level > 0) {
4723 method_name = mono_method_full_name (method, TRUE);
4724 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
4726 if (COMPILE_LLVM (cfg))
4727 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
4728 else if (cfg->gsharedvt)
4729 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4730 else if (cfg->generic_sharing_context)
4731 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4733 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
4735 g_free (method_name);
4738 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
4739 cfg->opt |= MONO_OPT_SSA;
4742 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")))
4743 cfg->globalra = TRUE;
4746 //cfg->globalra = TRUE;
4748 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
4749 // cfg->globalra = TRUE;
4752 static int count = 0;
4756 if (getenv ("COUNT2")) {
4757 cfg->globalra = TRUE;
4758 if (count == atoi (getenv ("COUNT2")))
4759 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
4760 if (count > atoi (getenv ("COUNT2")))
4761 cfg->globalra = FALSE;
4766 if (header->clauses)
4767 cfg->globalra = FALSE;
4769 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4770 /* The code in the prolog clobbers caller saved registers */
4771 cfg->globalra = FALSE;
4773 // FIXME: Disable globalra in case of tracing/profiling
4775 if (cfg->method->save_lmf)
4776 /* The LMF saving code might clobber caller saved registers */
4777 cfg->globalra = FALSE;
4779 if (header->code_size > 5000)
4781 /* Too large bblocks could overflow the ins positions */
4782 cfg->globalra = FALSE;
4784 cfg->rs = mono_regstate_new ();
4786 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4787 cfg->next_vreg = cfg->rs->next_vreg;
4789 /* FIXME: Fix SSA to handle branches inside bblocks */
4790 if (cfg->opt & MONO_OPT_SSA)
4791 cfg->enable_extended_bblocks = FALSE;
4794 * FIXME: This confuses liveness analysis because variables which are assigned after
4795 * a branch inside a bblock become part of the kill set, even though the assignment
4796 * might not get executed. This causes the optimize_initlocals pass to delete some
4797 * assignments which are needed.
4798 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4801 //cfg->enable_extended_bblocks = TRUE;
4803 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4804 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
4805 if (mini_get_debug_options ()->break_on_unverified)
4811 * create MonoInst* which represents arguments and local variables
4813 mono_compile_create_vars (cfg);
4815 /* SSAPRE is not supported on linear IR */
4816 cfg->opt &= ~MONO_OPT_SSAPRE;
4818 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4821 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4823 if (MONO_METHOD_COMPILE_END_ENABLED ())
4824 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4827 mono_destroy_compile (cfg);
4828 try_generic_shared = FALSE;
4829 goto restart_compile;
4831 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4833 if (MONO_METHOD_COMPILE_END_ENABLED ())
4834 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4835 /* cfg contains the details of the failure, so let the caller cleanup */
4839 cfg->stat_basic_blocks += cfg->num_bblocks;
4841 if (COMPILE_LLVM (cfg)) {
4844 /* The IR has to be in SSA form for LLVM */
4845 cfg->opt |= MONO_OPT_SSA;
4849 // Allow SSA on the result value
4850 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4852 // Add an explicit return instruction referencing the return value
4853 MONO_INST_NEW (cfg, ins, OP_SETRET);
4854 ins->sreg1 = cfg->ret->dreg;
4856 MONO_ADD_INS (cfg->bb_exit, ins);
4859 cfg->opt &= ~MONO_OPT_LINEARS;
4862 cfg->opt &= ~MONO_OPT_BRANCH;
4865 /* todo: remove code when we have verified that the liveness for try/catch blocks
4869 * Currently, this can't be commented out since exception blocks are not
4870 * processed during liveness analysis.
4871 * It is also needed, because otherwise the local optimization passes would
4872 * delete assignments in cases like this:
4874 * <something which throws>
4876 * This also allows SSA to be run on methods containing exception clauses, since
4877 * SSA will ignore variables marked VOLATILE.
4879 mono_liveness_handle_exception_clauses (cfg);
4881 mono_handle_out_of_line_bblock (cfg);
4883 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4885 if (!COMPILE_LLVM (cfg))
4886 mono_decompose_long_opts (cfg);
4888 /* Should be done before branch opts */
4889 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4890 mono_local_cprop (cfg);
4892 if (cfg->opt & MONO_OPT_BRANCH)
4893 mono_optimize_branches (cfg);
4895 /* This must be done _before_ global reg alloc and _after_ decompose */
4896 mono_handle_global_vregs (cfg);
4897 if (cfg->opt & MONO_OPT_DEADCE)
4898 mono_local_deadce (cfg);
4899 /* Disable this for LLVM to make the IR easier to handle */
4900 if (!COMPILE_LLVM (cfg))
4901 mono_if_conversion (cfg);
4903 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4904 mono_remove_critical_edges (cfg);
4906 /* Depth-first ordering on basic blocks */
4907 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4909 cfg->max_block_num = cfg->num_bblocks;
4912 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4913 if (cfg->num_bblocks != dfn + 1) {
4916 cfg->num_bblocks = dfn + 1;
4918 /* remove unreachable code, because the code in them may be
4919 * inconsistent (access to dead variables for example) */
4920 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4921 bb->flags &= ~BB_VISITED;
4922 compute_reachable (cfg->bb_entry);
4923 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4924 if (bb->flags & BB_EXCEPTION_HANDLER)
4925 compute_reachable (bb);
4926 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4927 if (!(bb->flags & BB_VISITED)) {
4928 if (cfg->verbose_level > 1)
4929 g_print ("found unreachable code in BB%d\n", bb->block_num);
4930 bb->code = bb->last_ins = NULL;
4931 while (bb->out_count)
4932 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
4935 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4936 bb->flags &= ~BB_VISITED;
4939 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
4941 * we disable some optimizations if there are too many variables
4942 * because JIT time may become too expensive. The actual number needs
4943 * to be tweaked and eventually the non-linear algorithms should be fixed.
4945 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
4946 cfg->disable_ssa = TRUE;
4949 if (cfg->opt & MONO_OPT_LOOP) {
4950 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
4951 mono_compute_natural_loops (cfg);
4954 /* after method_to_ir */
4956 if (MONO_METHOD_COMPILE_END_ENABLED ())
4957 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4962 if (header->num_clauses)
4963 cfg->disable_ssa = TRUE;
4966 //#define DEBUGSSA "logic_run"
4967 #define DEBUGSSA_CLASS "Tests"
4970 if (!cfg->disable_ssa) {
4971 mono_local_cprop (cfg);
4974 mono_ssa_compute (cfg);
4978 if (cfg->opt & MONO_OPT_SSA) {
4979 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
4981 mono_ssa_compute (cfg);
4984 if (cfg->verbose_level >= 2) {
4991 /* after SSA translation */
4993 if (MONO_METHOD_COMPILE_END_ENABLED ())
4994 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4998 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
4999 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5001 mono_ssa_cprop (cfg);
5007 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5008 //mono_ssa_strength_reduction (cfg);
5010 if (cfg->opt & MONO_OPT_SSAPRE) {
5011 mono_perform_ssapre (cfg);
5012 //mono_local_cprop (cfg);
5015 if (cfg->opt & MONO_OPT_DEADCE) {
5016 mono_ssa_deadce (cfg);
5017 deadce_has_run = TRUE;
5020 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5021 mono_perform_abc_removal (cfg);
5023 mono_ssa_remove (cfg);
5024 mono_local_cprop (cfg);
5025 mono_handle_global_vregs (cfg);
5026 if (cfg->opt & MONO_OPT_DEADCE)
5027 mono_local_deadce (cfg);
5029 if (cfg->opt & MONO_OPT_BRANCH) {
5032 mono_optimize_branches (cfg);
5034 /* Have to recompute cfg->bblocks and bb->dfn */
5035 if (cfg->globalra) {
5036 mono_remove_critical_edges (cfg);
5038 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5041 /* Depth-first ordering on basic blocks */
5042 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5045 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5046 cfg->num_bblocks = dfn + 1;
5052 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5053 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
5054 if (cfg->opt & MONO_OPT_ABCREM)
5055 mono_perform_abc_removal (cfg);
5058 /* after SSA removal */
5060 if (MONO_METHOD_COMPILE_END_ENABLED ())
5061 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5065 #ifdef MONO_ARCH_SOFT_FLOAT
5066 if (!COMPILE_LLVM (cfg))
5067 mono_decompose_soft_float (cfg);
5069 if (!COMPILE_LLVM (cfg))
5070 mono_decompose_vtype_opts (cfg);
5071 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5072 mono_decompose_array_access_opts (cfg);
5075 #ifndef MONO_ARCH_GOT_REG
5080 g_assert (cfg->got_var_allocated);
5083 * Allways allocate the GOT var to a register, because keeping it
5084 * in memory will increase the number of live temporaries in some
5085 * code created by inssel.brg, leading to the well known spills+
5086 * branches problem. Testcase: mcs crash in
5087 * System.MonoCustomAttrs:GetCustomAttributes.
5089 #ifdef MONO_ARCH_GOT_REG
5090 got_reg = MONO_ARCH_GOT_REG;
5092 regs = mono_arch_get_global_int_regs (cfg);
5094 got_reg = GPOINTER_TO_INT (regs->data);
5097 cfg->got_var->opcode = OP_REGVAR;
5098 cfg->got_var->dreg = got_reg;
5099 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5103 * Have to call this again to process variables added since the first call.
5105 mono_liveness_handle_exception_clauses (cfg);
5107 if (cfg->globalra) {
5110 /* Have to do this before regalloc since it can create vregs */
5111 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5112 mono_arch_lowering_pass (cfg, bb);
5114 mono_global_regalloc (cfg);
5117 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5118 GList *vars, *regs, *l;
5120 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5121 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5122 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5123 mono_analyze_liveness (cfg);
5125 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5126 regs = mono_arch_get_global_int_regs (cfg);
5127 /* Remove the reg reserved for holding the GOT address */
5129 for (l = regs; l; l = l->next) {
5130 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5131 regs = g_list_delete_link (regs, l);
5136 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5140 //mono_print_code (cfg, "");
5144 /* variables are allocated after decompose, since decompose could create temps */
5145 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5146 mono_arch_allocate_vars (cfg);
5147 if (cfg->exception_type)
5153 gboolean need_local_opts;
5155 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5156 mono_spill_global_vars (cfg, &need_local_opts);
5158 if (need_local_opts || cfg->compile_aot) {
5159 /* To optimize code created by spill_global_vars */
5160 mono_local_cprop (cfg);
5161 if (cfg->opt & MONO_OPT_DEADCE)
5162 mono_local_deadce (cfg);
5166 /* Add branches between non-consecutive bblocks */
5167 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5168 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5169 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5170 /* we are careful when inverting, since bugs like #59580
5171 * could show up when dealing with NaNs.
5173 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5174 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5175 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5176 bb->last_ins->inst_false_bb = tmp;
5178 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5180 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5181 inst->opcode = OP_BR;
5182 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5183 mono_bblock_add_inst (bb, inst);
5188 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5189 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5190 MonoInst *tree = bb->code;
5191 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5194 for (; tree; tree = tree->next) {
5195 mono_print_ins_index (-1, tree);
5201 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5202 bb->max_vreg = cfg->next_vreg;
5206 if (COMPILE_LLVM (cfg)) {
5210 /* The IR has to be in SSA form for LLVM */
5211 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5212 cfg->exception_message = g_strdup ("SSA disabled.");
5213 cfg->disable_llvm = TRUE;
5216 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5217 mono_decompose_array_access_opts (cfg);
5219 if (!cfg->disable_llvm)
5220 mono_llvm_emit_method (cfg);
5221 if (cfg->disable_llvm) {
5222 if (cfg->verbose_level >= 1) {
5223 //nm = mono_method_full_name (cfg->method, TRUE);
5224 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5227 mono_destroy_compile (cfg);
5229 goto restart_compile;
5232 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5233 nm = mono_method_full_name (cfg->method, TRUE);
5234 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5236 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5244 if (COMPILE_LLVM (cfg))
5245 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5247 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5249 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5251 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5252 if (cfg->extend_live_ranges) {
5253 /* Extend live ranges to cover the whole method */
5254 for (i = 0; i < cfg->num_varinfo; ++i)
5255 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5259 if (!cfg->compile_aot)
5260 mono_save_xdebug_info (cfg);
5262 mini_gc_create_gc_map (cfg);
5264 mono_save_seq_point_info (cfg);
5266 if (cfg->verbose_level >= 2) {
5267 char *id = mono_method_full_name (cfg->method, FALSE);
5268 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5272 if (!cfg->compile_aot) {
5273 mono_domain_lock (cfg->domain);
5274 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5276 if (cfg->method->dynamic)
5277 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5278 mono_domain_unlock (cfg->domain);
5283 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5286 /* collect statistics */
5287 #ifndef DISABLE_PERFCOUNTERS
5288 mono_perfcounters->jit_methods++;
5289 mono_perfcounters->jit_bytes += header->code_size;
5291 mono_jit_stats.allocated_code_size += cfg->code_len;
5292 code_size_ratio = cfg->code_len;
5293 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5294 mono_jit_stats.biggest_method_size = code_size_ratio;
5295 g_free (mono_jit_stats.biggest_method);
5296 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5298 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5299 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5300 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5301 g_free (mono_jit_stats.max_ratio_method);
5302 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5304 mono_jit_stats.native_code_size += cfg->code_len;
5306 if (MONO_METHOD_COMPILE_END_ENABLED ())
5307 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5315 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
5317 g_assert_not_reached ();
5321 #endif /* DISABLE_JIT */
5324 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
5326 static gboolean inited = FALSE;
5327 static int lookups = 0;
5328 static int failed_lookups = 0;
5331 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
5332 if (ji && !ji->has_generic_jit_info)
5336 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5337 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5349 * LOCKING: Assumes domain->jit_code_hash_lock is held.
5352 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
5354 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5359 if (!mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE, TRUE))
5361 return mono_domain_lookup_shared_generic (domain, method);
5365 lookup_method (MonoDomain *domain, MonoMethod *method)
5369 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
5370 mono_domain_jit_code_hash_lock (domain);
5371 info = lookup_method_inner (domain, method);
5372 mono_domain_jit_code_hash_unlock (domain);
5373 mono_loader_unlock ();
5379 static FILE* perf_map_file = NULL;
5382 mono_enable_jit_map (void)
5384 if (!perf_map_file) {
5386 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5388 perf_map_file = fopen (name, "w");
5393 mono_emit_jit_tramp (void *start, int size, const char *desc)
5396 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5400 mono_emit_jit_map (MonoJitInfo *jinfo)
5402 if (perf_map_file) {
5403 char *name = mono_method_full_name (jinfo->method, TRUE);
5404 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5410 mono_jit_map_is_enabled (void)
5412 return perf_map_file != NULL;
5418 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5421 gpointer code = NULL;
5422 MonoJitInfo *jinfo, *info;
5424 MonoException *ex = NULL;
5425 guint32 prof_options;
5427 MonoMethod *prof_method;
5429 #ifdef MONO_USE_AOT_COMPILER
5430 if (opt & MONO_OPT_AOT) {
5431 MonoDomain *domain = mono_domain_get ();
5433 mono_class_init (method->klass);
5435 if ((code = mono_aot_get_method (domain, method))) {
5436 vtable = mono_class_vtable (domain, method->klass);
5438 mono_runtime_class_init (vtable);
5445 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5446 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5448 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5450 if (!piinfo->addr) {
5451 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5452 piinfo->addr = mono_lookup_internal_call (method);
5453 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5455 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);
5457 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);
5460 mono_lookup_pinvoke_call (method, NULL, NULL);
5462 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5463 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5464 jinfo = mono_jit_info_table_find (target_domain, code);
5466 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5468 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5471 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
5472 //mono_debug_add_wrapper (method, nm);
5473 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5474 const char *name = method->name;
5475 char *full_name, *msg;
5478 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5479 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5480 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5483 * We need to make sure this wrapper
5484 * is compiled because it might end up
5485 * in an (M)RGCTX if generic sharing
5486 * is enabled, and would be called
5487 * indirectly. If it were a
5488 * trampoline we'd try to patch that
5489 * indirect call, which is not
5492 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5493 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5494 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5495 return mono_create_delegate_trampoline (target_domain, method->klass);
5497 nm = mono_marshal_get_delegate_invoke (method, NULL);
5498 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5500 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5501 nm = mono_marshal_get_delegate_begin_invoke (method);
5502 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5503 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5504 nm = mono_marshal_get_delegate_end_invoke (method);
5505 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5509 full_name = mono_method_full_name (method, TRUE);
5510 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5511 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5517 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5518 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5520 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5521 static MonoTrampInfo *in_tinfo, *out_tinfo;
5522 MonoTrampInfo *tinfo;
5524 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5526 if (is_in && in_tinfo)
5527 return in_tinfo->code;
5528 else if (!is_in && out_tinfo)
5529 return out_tinfo->code;
5532 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5534 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5537 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
5539 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
5540 jinfo = create_jit_info_for_trampoline (method, tinfo);
5541 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
5550 if (mono_aot_only) {
5551 char *fullname = mono_method_full_name (method, TRUE);
5552 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);
5554 *jit_ex = mono_get_exception_execution_engine (msg);
5561 jit_timer = g_timer_new ();
5563 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5564 prof_method = cfg->method;
5566 g_timer_stop (jit_timer);
5567 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5568 g_timer_destroy (jit_timer);
5570 switch (cfg->exception_type) {
5571 case MONO_EXCEPTION_NONE:
5573 case MONO_EXCEPTION_TYPE_LOAD:
5574 case MONO_EXCEPTION_MISSING_FIELD:
5575 case MONO_EXCEPTION_MISSING_METHOD:
5576 case MONO_EXCEPTION_FILE_NOT_FOUND:
5577 case MONO_EXCEPTION_BAD_IMAGE: {
5578 /* Throw a type load exception if needed */
5579 MonoLoaderError *error = mono_loader_get_last_error ();
5582 ex = mono_loader_error_prepare_exception (error);
5584 if (cfg->exception_ptr) {
5585 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5587 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5588 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5589 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5590 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5591 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5592 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5593 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5594 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5595 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5596 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5598 g_assert_not_reached ();
5603 case MONO_EXCEPTION_INVALID_PROGRAM:
5604 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5606 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5607 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5609 case MONO_EXCEPTION_METHOD_ACCESS:
5610 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5612 case MONO_EXCEPTION_FIELD_ACCESS:
5613 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5615 /* this can only be set if the security manager is active */
5616 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5617 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5618 MonoObject *exc = NULL;
5621 args [0] = &cfg->exception_data;
5623 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5625 ex = (MonoException*)exc;
5628 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5629 MonoException *exp = cfg->exception_ptr;
5630 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5635 case MONO_EXCEPTION_OUT_OF_MEMORY:
5636 ex = mono_domain_get ()->out_of_memory_ex;
5639 g_assert_not_reached ();
5643 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5644 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5646 mono_destroy_compile (cfg);
5652 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5653 mono_domain_lock (target_domain);
5655 /* Check if some other thread already did the job. In this case, we can
5656 discard the code this thread generated. */
5658 mono_domain_jit_code_hash_lock (target_domain);
5660 info = lookup_method_inner (target_domain, method);
5662 /* We can't use a domain specific method in another domain */
5663 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5664 code = info->code_start;
5665 // printf("Discarding code for method %s\n", method->name);
5670 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
5671 mono_domain_jit_code_hash_unlock (target_domain);
5672 code = cfg->native_code;
5674 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE, TRUE))
5675 mono_stats.generics_shared_methods++;
5677 mono_stats.gsharedvt_methods++;
5679 mono_domain_jit_code_hash_unlock (target_domain);
5682 jinfo = cfg->jit_info;
5684 prof_options = cfg->prof_options;
5687 * Update global stats while holding a lock, instead of doing many
5688 * InterlockedIncrement operations during JITting.
5690 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
5691 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
5692 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
5693 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
5694 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
5695 mono_jit_stats.regvars += cfg->stat_n_regvars;
5696 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
5697 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
5698 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
5699 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
5701 mono_destroy_compile (cfg);
5704 if (domain_jit_info (target_domain)->jump_target_hash) {
5705 MonoJumpInfo patch_info;
5706 MonoJumpList *jlist;
5708 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
5710 patch_info.next = NULL;
5711 patch_info.ip.i = 0;
5712 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
5713 patch_info.data.method = method;
5714 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
5716 for (tmp = jlist->list; tmp; tmp = tmp->next)
5717 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
5721 mono_emit_jit_map (jinfo);
5723 mono_domain_unlock (target_domain);
5724 mono_loader_unlock ();
5726 vtable = mono_class_vtable (target_domain, method->klass);
5728 ex = mono_class_get_exception_for_failure (method->klass);
5734 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
5735 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
5736 if (mono_marshal_method_from_wrapper (method)) {
5737 /* Native func wrappers have no method */
5738 /* The profiler doesn't know about wrappers, so pass the original icall method */
5739 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
5742 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5743 if (prof_method != method) {
5744 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
5748 ex = mono_runtime_class_init_full (vtable, FALSE);
5757 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
5759 MonoDomain *target_domain, *domain = mono_domain_get ();
5762 MonoJitICallInfo *callinfo = NULL;
5765 * ICALL wrappers are handled specially, since there is only one copy of them
5766 * shared by all appdomains.
5768 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
5769 const char *icall_name;
5771 icall_name = method->name + strlen ("__icall_wrapper_");
5772 g_assert (icall_name);
5773 callinfo = mono_find_jit_icall_by_name (icall_name);
5774 g_assert (callinfo);
5776 /* Must be domain neutral since there is only one copy */
5777 opt |= MONO_OPT_SHARED;
5780 if (method->dynamic)
5781 opt &= ~MONO_OPT_SHARED;
5783 /* These methods can become invalid when a domain is unloaded */
5784 if (method->klass->image != mono_get_corlib () || method->is_inflated)
5785 opt &= ~MONO_OPT_SHARED;
5787 if (opt & MONO_OPT_SHARED)
5788 target_domain = mono_get_root_domain ();
5790 target_domain = domain;
5792 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5793 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5796 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER)
5797 method = info->d.synchronized_inner.method;
5800 info = lookup_method (target_domain, method);
5802 /* We can't use a domain specific method in another domain */
5803 if (! ((domain != target_domain) && !info->domain_neutral)) {
5805 MonoException *tmpEx;
5807 mono_jit_stats.methods_lookups++;
5808 vtable = mono_class_vtable (domain, method->klass);
5810 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
5815 return mono_create_ftnptr (target_domain, info->code_start);
5819 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
5823 p = mono_create_ftnptr (target_domain, code);
5826 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
5827 mono_loader_lock ();
5829 if (!callinfo->wrapper) {
5830 callinfo->wrapper = p;
5831 mono_register_jit_icall_wrapper (callinfo, p);
5832 mono_debug_add_icall_wrapper (method, callinfo);
5835 mono_loader_unlock ();
5842 mono_jit_compile_method (MonoMethod *method)
5844 MonoException *ex = NULL;
5847 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
5850 mono_raise_exception (ex);
5856 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5858 invalidated_delegate_trampoline (char *desc)
5860 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
5861 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
5867 * mono_jit_free_method:
5869 * Free all memory allocated by the JIT for METHOD.
5872 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
5874 MonoJitDynamicMethodInfo *ji;
5875 gboolean destroy = TRUE;
5876 GHashTableIter iter;
5877 MonoJumpList *jlist;
5879 g_assert (method->dynamic);
5881 mono_domain_lock (domain);
5882 ji = mono_dynamic_code_hash_lookup (domain, method);
5883 mono_domain_unlock (domain);
5888 mono_debug_remove_method (method, domain);
5890 mono_domain_lock (domain);
5891 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
5892 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
5893 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
5894 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
5896 /* Remove jump targets in this method */
5897 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
5898 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
5899 GSList *tmp, *remove;
5902 for (tmp = jlist->list; tmp; tmp = tmp->next) {
5903 guint8 *ip = tmp->data;
5905 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
5906 remove = g_slist_prepend (remove, tmp);
5908 for (tmp = remove; tmp; tmp = tmp->next) {
5909 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
5911 g_slist_free (remove);
5914 mono_domain_unlock (domain);
5916 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5917 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
5919 * Instead of freeing the code, change it to call an error routine
5920 * so people can fix their code.
5922 char *type = mono_type_full_name (&method->klass->byval_arg);
5923 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
5926 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
5932 * This needs to be done before freeing code_mp, since the code address is the
5933 * key in the table, so if we free the code_mp first, another thread can grab the
5934 * same code address and replace our entry in the table.
5936 mono_jit_info_table_remove (domain, ji->ji);
5939 mono_code_manager_destroy (ji->code_mp);
5944 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
5946 MonoDomain *target_domain;
5949 if (default_opt & MONO_OPT_SHARED)
5950 target_domain = mono_get_root_domain ();
5952 target_domain = domain;
5954 info = lookup_method (target_domain, method);
5956 /* We can't use a domain specific method in another domain */
5957 if (! ((domain != target_domain) && !info->domain_neutral)) {
5958 mono_jit_stats.methods_lookups++;
5961 return info->code_start;
5971 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
5973 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
5978 gpointer compiled_method;
5979 gpointer runtime_invoke;
5981 MonoDynCallInfo *dyn_call_info;
5982 MonoClass *ret_box_class;
5983 } RuntimeInvokeInfo;
5986 * mono_jit_runtime_invoke:
5987 * @method: the method to invoke
5988 * @obj: this pointer
5989 * @params: array of parameter values.
5990 * @exc: used to catch exceptions objects
5993 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
5996 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
5997 MonoDomain *domain = mono_domain_get ();
5998 MonoJitDomainInfo *domain_info;
5999 RuntimeInvokeInfo *info, *info2;
6001 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6002 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6006 domain_info = domain_jit_info (domain);
6008 mono_domain_lock (domain);
6009 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6010 mono_domain_unlock (domain);
6013 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
6015 * This might be redundant since mono_class_vtable () already does this,
6016 * but keep it just in case for moonlight.
6018 mono_class_setup_vtable (method->klass);
6019 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6021 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6023 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6028 info = g_new0 (RuntimeInvokeInfo, 1);
6030 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6031 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6032 g_assert (info->vtable);
6034 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6035 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6037 * Array Get/Set/Address methods. The JIT implements them using inline code
6038 * inside the runtime invoke wrappers, so no need to compile them.
6040 info->compiled_method = NULL;
6042 MonoException *jit_ex = NULL;
6044 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
6045 if (!info->compiled_method) {
6049 *exc = (MonoObject*)jit_ex;
6052 mono_raise_exception (jit_ex);
6056 info->compiled_method = mini_add_method_trampoline (NULL, method, info->compiled_method, NULL, mono_method_needs_static_rgctx_invoke (method, FALSE));
6060 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6061 * in full-aot mode, so we use a slower, but more generic wrapper if
6062 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6064 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6065 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6066 MonoMethodSignature *sig = mono_method_signature (method);
6067 gboolean supported = TRUE;
6070 if (method->string_ctor)
6071 sig = mono_marshal_get_string_ctor_signature (method);
6073 for (i = 0; i < sig->param_count; ++i) {
6074 MonoType *t = sig->params [i];
6076 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6080 if (method->klass->contextbound || !info->compiled_method)
6084 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6086 if (info->dyn_call_info) {
6087 switch (sig->ret->type) {
6088 case MONO_TYPE_VOID:
6100 case MONO_TYPE_BOOLEAN:
6101 case MONO_TYPE_CHAR:
6104 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6107 info->ret_box_class = mono_defaults.int_class;
6109 case MONO_TYPE_STRING:
6110 case MONO_TYPE_CLASS:
6111 case MONO_TYPE_ARRAY:
6112 case MONO_TYPE_SZARRAY:
6113 case MONO_TYPE_OBJECT:
6115 case MONO_TYPE_GENERICINST:
6116 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
6117 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6119 case MONO_TYPE_VALUETYPE:
6120 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6123 g_assert_not_reached ();
6130 if (!info->dyn_call_info)
6131 info->runtime_invoke = mono_jit_compile_method (invoke);
6133 mono_domain_lock (domain);
6134 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6139 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
6141 mono_domain_unlock (domain);
6144 runtime_invoke = info->runtime_invoke;
6147 * We need this here because mono_marshal_get_runtime_invoke can place
6148 * the helper method in System.Object and not the target class.
6151 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6155 mono_runtime_class_init (info->vtable);
6158 /* The wrappers expect this to be initialized to NULL */
6162 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6163 if (info->dyn_call_info) {
6164 MonoMethodSignature *sig = mono_method_signature (method);
6166 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6169 guint8 retval [128];
6171 if (!dyn_runtime_invoke) {
6172 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6173 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6176 /* Convert the arguments to the format expected by start_dyn_call () */
6177 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6180 args [pindex ++] = &obj;
6181 for (i = 0; i < sig->param_count; ++i) {
6182 MonoType *t = sig->params [i];
6185 args [pindex ++] = ¶ms [i];
6186 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6187 args [pindex ++] = ¶ms [i];
6189 args [pindex ++] = params [i];
6193 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6195 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6197 dyn_runtime_invoke (buf, exc, info->compiled_method);
6199 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6201 if (info->ret_box_class)
6202 return mono_value_box (domain, info->ret_box_class, retval);
6204 return *(MonoObject**)retval;
6208 return runtime_invoke (obj, params, exc, info->compiled_method);
6212 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
6214 MonoException *exc = NULL;
6216 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
6221 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6223 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6224 if (mono_arch_is_int_overflow (ctx, info))
6226 * The spec says this throws ArithmeticException, but MS throws the derived
6227 * OverflowException.
6229 exc = mono_get_exception_overflow ();
6231 exc = mono_get_exception_divide_by_zero ();
6233 exc = mono_get_exception_divide_by_zero ();
6237 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6240 mono_handle_native_sigsegv (SIGSEGV, ctx);
6243 mono_arch_handle_exception (ctx, exc);
6247 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
6252 exc = mono_get_exception_execution_engine ("SIGILL");
6254 mono_arch_handle_exception (ctx, exc);
6257 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6258 #define HAVE_SIG_INFO
6262 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
6265 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6266 gpointer fault_addr = NULL;
6270 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6271 if (mono_arch_is_single_step_event (info, ctx)) {
6272 mono_debugger_agent_single_step_event (ctx);
6274 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6275 mono_debugger_agent_breakpoint_hit (ctx);
6280 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6281 fault_addr = info->si_addr;
6282 if (mono_aot_is_pagefault (info->si_addr)) {
6283 mono_aot_handle_pagefault (info->si_addr);
6288 /* The thread might no be registered with the runtime */
6289 if (!mono_domain_get () || !jit_tls) {
6290 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6292 mono_handle_native_sigsegv (SIGSEGV, ctx);
6295 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6297 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6298 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6301 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6302 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6303 fault_addr = info->si_addr;
6304 if (fault_addr == NULL) {
6307 mono_arch_sigctx_to_monoctx (ctx, &mctx);
6309 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6313 if (jit_tls->stack_size &&
6314 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6316 * The hard-guard page has been hit: there is not much we can do anymore
6317 * Print a hopefully clear message and abort.
6319 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6320 g_assert_not_reached ();
6322 /* The original handler might not like that it is executed on an altstack... */
6323 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
6326 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6331 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6334 mono_handle_native_sigsegv (SIGSEGV, ctx);
6337 mono_arch_handle_exception (ctx, NULL);
6342 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
6347 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6349 mono_arch_handle_exception (ctx, exc);
6352 /* mono_jit_create_remoting_trampoline:
6353 * @method: pointer to the method info
6355 * Creates a trampoline which calls the remoting functions. This
6356 * is used in the vtable of transparent proxies.
6358 * Returns: a pointer to the newly created code
6361 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6364 guint8 *addr = NULL;
6366 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6367 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6371 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6372 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
6373 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6374 addr = mono_compile_method (nm);
6376 addr = mono_compile_method (method);
6378 return mono_get_addr_from_ftnptr (addr);
6381 static gpointer *vtable_trampolines;
6382 static int vtable_trampolines_size;
6385 mini_get_vtable_trampoline (int slot_index)
6387 int index = slot_index + MONO_IMT_SIZE;
6389 g_assert (slot_index >= - MONO_IMT_SIZE);
6390 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6392 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6396 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6397 while (new_size <= index)
6399 new_table = g_new0 (gpointer, new_size);
6401 if (vtable_trampolines)
6402 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6403 g_free (vtable_trampolines);
6404 mono_memory_barrier ();
6405 vtable_trampolines = new_table;
6406 vtable_trampolines_size = new_size;
6411 if (!vtable_trampolines [index])
6412 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6413 return vtable_trampolines [index];
6417 mini_get_imt_trampoline (int slot_index)
6419 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6423 mini_parse_debug_options (void)
6425 char *options = getenv ("MONO_DEBUG");
6426 gchar **args, **ptr;
6431 args = g_strsplit (options, ",", -1);
6433 for (ptr = args; ptr && *ptr; ptr++) {
6434 const char *arg = *ptr;
6436 if (!strcmp (arg, "handle-sigint"))
6437 debug_options.handle_sigint = TRUE;
6438 else if (!strcmp (arg, "keep-delegates"))
6439 debug_options.keep_delegates = TRUE;
6440 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6441 debug_options.reverse_pinvoke_exceptions = TRUE;
6442 else if (!strcmp (arg, "collect-pagefault-stats"))
6443 debug_options.collect_pagefault_stats = TRUE;
6444 else if (!strcmp (arg, "break-on-unverified"))
6445 debug_options.break_on_unverified = TRUE;
6446 else if (!strcmp (arg, "no-gdb-backtrace"))
6447 debug_options.no_gdb_backtrace = TRUE;
6448 else if (!strcmp (arg, "suspend-on-sigsegv"))
6449 debug_options.suspend_on_sigsegv = TRUE;
6450 else if (!strcmp (arg, "suspend-on-unhandled"))
6451 debug_options.suspend_on_unhandled = TRUE;
6452 else if (!strcmp (arg, "dont-free-domains"))
6453 mono_dont_free_domains = TRUE;
6454 else if (!strcmp (arg, "dyn-runtime-invoke"))
6455 debug_options.dyn_runtime_invoke = TRUE;
6456 else if (!strcmp (arg, "gdb"))
6457 debug_options.gdb = TRUE;
6458 else if (!strcmp (arg, "explicit-null-checks"))
6459 debug_options.explicit_null_checks = TRUE;
6460 else if (!strcmp (arg, "gen-seq-points"))
6461 debug_options.gen_seq_points = TRUE;
6462 else if (!strcmp (arg, "init-stacks"))
6463 debug_options.init_stacks = TRUE;
6464 else if (!strcmp (arg, "casts"))
6465 debug_options.better_cast_details = TRUE;
6466 else if (!strcmp (arg, "soft-breakpoints"))
6467 debug_options.soft_breakpoints = TRUE;
6469 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6470 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");
6479 mini_get_debug_options (void)
6481 return &debug_options;
6485 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6487 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
6491 gpointer* desc = NULL;
6493 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
6496 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6500 # elif defined(__ppc64__) || defined(__powerpc64__)
6503 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6509 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
6515 mini_get_addr_from_ftnptr (gpointer descr)
6517 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6518 return *(gpointer*)descr;
6525 register_jit_stats (void)
6527 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
6528 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
6529 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6530 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6531 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6532 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
6533 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
6534 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
6535 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
6536 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
6537 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
6538 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
6539 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
6540 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
6541 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
6542 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
6543 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
6546 static void runtime_invoke_info_free (gpointer value);
6549 mini_create_jit_domain_info (MonoDomain *domain)
6551 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
6553 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6554 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6555 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6556 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6557 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6558 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
6559 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
6560 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
6561 info->jump_target_hash = g_hash_table_new (NULL, NULL);
6563 domain->runtime_info = info;
6567 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
6569 MonoJumpList *jlist = value;
6570 g_slist_free (jlist->list);
6574 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
6576 MonoJitDynamicMethodInfo *di = value;
6577 mono_code_manager_destroy (di->code_mp);
6582 runtime_invoke_info_free (gpointer value)
6584 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
6586 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6587 if (info->dyn_call_info)
6588 mono_arch_dyn_call_free (info->dyn_call_info);
6594 mini_free_jit_domain_info (MonoDomain *domain)
6596 MonoJitDomainInfo *info = domain_jit_info (domain);
6598 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6599 g_hash_table_destroy (info->jump_target_hash);
6600 if (info->jump_target_got_slot_hash) {
6601 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6602 g_hash_table_destroy (info->jump_target_got_slot_hash);
6604 if (info->dynamic_code_hash) {
6605 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6606 g_hash_table_destroy (info->dynamic_code_hash);
6608 if (info->method_code_hash)
6609 g_hash_table_destroy (info->method_code_hash);
6610 g_hash_table_destroy (info->class_init_trampoline_hash);
6611 g_hash_table_destroy (info->jump_trampoline_hash);
6612 g_hash_table_destroy (info->jit_trampoline_hash);
6613 g_hash_table_destroy (info->delegate_trampoline_hash);
6614 if (info->static_rgctx_trampoline_hash)
6615 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6616 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6617 g_hash_table_destroy (info->runtime_invoke_hash);
6618 g_hash_table_destroy (info->seq_points);
6619 g_hash_table_destroy (info->arch_seq_points);
6621 if (info->agent_info)
6622 mono_debugger_agent_free_domain_info (domain);
6624 g_free (domain->runtime_info);
6625 domain->runtime_info = NULL;
6629 mini_init (const char *filename, const char *runtime_version)
6632 MonoRuntimeCallbacks callbacks;
6633 MonoThreadInfoRuntimeCallbacks ticallbacks;
6635 MONO_VES_INIT_BEGIN ();
6637 #if defined(__linux__) && !defined(__native_client__)
6638 if (access ("/proc/self/maps", F_OK) != 0) {
6639 g_print ("Mono requires /proc to be mounted.\n");
6644 /* Happens when using the embedding interface */
6645 if (!default_opt_set)
6646 default_opt = mono_parse_default_optimizations (NULL);
6648 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
6650 mono_set_generic_sharing_vt_supported (TRUE);
6653 InitializeCriticalSection (&jit_mutex);
6655 #ifdef MONO_DEBUGGER_SUPPORTED
6656 if (mini_debug_running_inside_mdb ())
6657 mini_debugger_init ();
6660 #ifdef MONO_HAVE_FAST_TLS
6661 MONO_FAST_TLS_INIT (mono_jit_tls);
6662 MONO_FAST_TLS_INIT (mono_lmf_addr);
6663 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
6664 MONO_FAST_TLS_INIT (mono_lmf);
6668 #ifdef MONO_ARCH_HAVE_TLS_GET
6669 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
6671 mono_runtime_set_has_tls_get (FALSE);
6674 if (!global_codeman)
6675 global_codeman = mono_code_manager_new ();
6676 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
6678 memset (&callbacks, 0, sizeof (callbacks));
6679 callbacks.create_ftnptr = mini_create_ftnptr;
6680 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
6681 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
6682 callbacks.set_cast_details = mono_set_cast_details;
6683 callbacks.debug_log = mono_debugger_agent_debug_log;
6684 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
6686 #ifdef MONO_ARCH_HAVE_IMT
6688 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
6689 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
6693 mono_install_callbacks (&callbacks);
6695 memset (&ticallbacks, 0, sizeof (ticallbacks));
6696 ticallbacks.setup_async_callback = mono_setup_async_callback;
6697 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
6698 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
6700 mono_threads_runtime_init (&ticallbacks);
6703 if (getenv ("MONO_DEBUG") != NULL)
6704 mini_parse_debug_options ();
6706 mono_arch_cpu_init ();
6710 mono_unwind_init ();
6712 if (getenv ("MONO_XDEBUG")) {
6713 char *xdebug_opts = getenv ("MONO_XDEBUG");
6714 mono_xdebug_init (xdebug_opts);
6715 /* So methods for multiple domains don't have the same address */
6716 mono_dont_free_domains = TRUE;
6717 mono_using_xdebug = TRUE;
6718 } else if (mini_get_debug_options ()->gdb) {
6719 mono_xdebug_init ((char*)"gdb");
6720 mono_dont_free_domains = TRUE;
6721 mono_using_xdebug = TRUE;
6725 if (mono_use_llvm) {
6726 if (!mono_llvm_load (NULL)) {
6727 mono_use_llvm = FALSE;
6728 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
6735 mono_trampolines_init ();
6737 if (!g_thread_supported ())
6738 g_thread_init (NULL);
6740 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
6742 if (default_opt & MONO_OPT_AOT)
6745 mono_debugger_agent_init ();
6747 #ifdef MONO_ARCH_GSHARED_SUPPORTED
6748 mono_set_generic_sharing_supported (TRUE);
6751 #ifndef MONO_CROSS_COMPILE
6752 mono_runtime_install_handlers ();
6754 mono_threads_install_cleanup (mini_thread_cleanup);
6756 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
6757 // This is experimental code so provide an env var to switch it off
6758 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
6759 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
6761 check_for_pending_exc = FALSE;
6762 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
6766 #define JIT_TRAMPOLINES_WORK
6767 #ifdef JIT_TRAMPOLINES_WORK
6768 mono_install_compile_method (mono_jit_compile_method);
6769 mono_install_free_method (mono_jit_free_method);
6770 mono_install_trampoline (mono_create_jit_trampoline);
6771 mono_install_jump_trampoline (mono_create_jump_trampoline);
6772 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
6773 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
6774 mono_install_create_domain_hook (mini_create_jit_domain_info);
6775 mono_install_free_domain_hook (mini_free_jit_domain_info);
6777 #define JIT_INVOKE_WORKS
6778 #ifdef JIT_INVOKE_WORKS
6779 mono_install_runtime_invoke (mono_jit_runtime_invoke);
6781 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
6782 mono_install_get_class_from_name (mono_aot_get_class_from_name);
6783 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
6785 if (debug_options.collect_pagefault_stats) {
6786 mono_aot_set_make_unreadable (TRUE);
6789 if (runtime_version)
6790 domain = mono_init_version (filename, runtime_version);
6792 domain = mono_init_from_assembly (filename, filename);
6794 if (mono_aot_only) {
6795 /* This helps catch code allocation requests */
6796 mono_code_manager_set_read_only (domain->code_mp);
6797 mono_marshal_use_aot_wrappers (TRUE);
6800 #ifdef MONO_ARCH_HAVE_IMT
6803 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
6805 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
6808 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
6809 mono_arch_finish_init ();
6812 /* This must come after mono_init () in the aot-only case */
6813 mono_exceptions_init ();
6817 /* This should come after mono_init () too */
6820 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
6821 ves_icall_get_frame_info);
6822 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
6823 ves_icall_get_trace);
6824 mono_add_internal_call ("System.Exception::get_trace",
6825 ves_icall_System_Exception_get_trace);
6826 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
6827 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
6828 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
6829 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
6830 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
6831 mono_runtime_install_handlers);
6833 #ifdef PLATFORM_ANDROID
6834 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
6835 mono_debugger_agent_unhandled_exception);
6838 mono_create_helper_signatures ();
6840 register_jit_stats ();
6842 #define JIT_CALLS_WORK
6843 #ifdef JIT_CALLS_WORK
6844 /* Needs to be called here since register_jit_icall depends on it */
6845 mono_marshal_init ();
6847 mono_arch_register_lowlevel_calls ();
6848 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
6849 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
6850 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
6851 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
6852 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
6853 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
6854 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
6855 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
6857 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
6858 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
6859 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
6861 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
6862 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
6863 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
6864 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
6865 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
6867 #if defined(__native_client__) || defined(__native_client_codegen__)
6868 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
6871 * NOTE, NOTE, NOTE, NOTE:
6872 * when adding emulation for some opcodes, remember to also add a dummy
6873 * rule to the burg files, because we need the arity information to be correct.
6875 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
6876 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
6877 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
6878 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
6879 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
6880 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
6881 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
6882 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
6885 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
6886 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
6887 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
6888 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
6891 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
6892 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
6893 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6894 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
6895 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6898 #ifdef MONO_ARCH_EMULATE_MUL_DIV
6899 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
6902 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
6903 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6904 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6907 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
6908 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
6911 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
6912 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
6913 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
6914 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
6916 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
6917 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
6919 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
6920 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6922 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
6923 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
6925 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
6926 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
6928 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
6929 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
6931 #ifdef MONO_ARCH_EMULATE_FREM
6932 #if defined(__default_codegen__)
6933 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
6934 #elif defined(__native_client_codegen__)
6935 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, FALSE);
6939 #ifdef MONO_ARCH_SOFT_FLOAT
6940 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
6941 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
6942 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
6943 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
6944 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
6945 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
6946 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
6947 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
6948 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
6949 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
6950 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
6951 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
6952 #if SIZEOF_VOID_P == 4
6953 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
6956 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
6957 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
6958 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
6959 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
6960 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
6961 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
6962 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
6963 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
6964 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
6965 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
6967 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
6968 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
6969 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
6970 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
6971 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
6973 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
6974 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
6975 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
6976 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
6979 #ifdef COMPRESSED_INTERFACE_BITMAP
6980 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
6983 #if SIZEOF_REGISTER == 4
6984 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
6987 /* other jit icalls */
6988 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
6989 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
6990 "ptr ptr ptr", FALSE);
6991 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
6992 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
6993 "ptr ptr ptr ptr", FALSE);
6994 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
6995 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
6996 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
6997 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
6998 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
6999 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7000 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7001 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7002 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7003 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7004 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7005 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
7006 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
7007 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
7008 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
7009 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7010 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
7011 register_icall (mono_break, "mono_break", NULL, TRUE);
7012 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7013 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7014 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7015 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7016 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7017 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7018 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7019 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7020 register_icall (mono_object_tostring_gsharedvt, "mono_object_tostring_gsharedvt", "object ptr ptr ptr", TRUE);
7022 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7024 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7025 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7027 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7031 mono_generic_sharing_init ();
7033 #ifdef MONO_ARCH_SIMD_INTRINSICS
7034 mono_simd_intrinsics_init ();
7037 #if MONO_SUPPORT_TASKLETS
7038 mono_tasklets_init ();
7041 if (mono_compile_aot)
7043 * Avoid running managed code when AOT compiling, since the platform
7044 * might only support aot-only execution.
7046 mono_runtime_set_no_exec (TRUE);
7048 #define JIT_RUNTIME_WORKS
7049 #ifdef JIT_RUNTIME_WORKS
7050 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7051 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7052 mono_thread_attach (domain);
7055 mono_profiler_runtime_initialized ();
7057 MONO_VES_INIT_END ();
7062 MonoJitStats mono_jit_stats = {0};
7065 print_jit_stats (void)
7067 if (mono_jit_stats.enabled) {
7068 g_print ("Mono Jit statistics\n");
7069 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7070 mono_jit_stats.max_ratio_method);
7071 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7072 mono_jit_stats.biggest_method);
7074 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
7075 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7076 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7077 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7078 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7079 g_print ("Methods: %ld\n", mono_stats.method_count);
7080 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7081 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7082 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7084 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7085 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7086 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7088 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7089 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7090 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7091 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7093 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
7094 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
7095 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
7097 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7098 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7099 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7100 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7101 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7102 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7103 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7104 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7106 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7107 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7108 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7110 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
7111 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
7112 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7113 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7114 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7115 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7116 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7117 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7120 g_free (mono_jit_stats.max_ratio_method);
7121 mono_jit_stats.max_ratio_method = NULL;
7122 g_free (mono_jit_stats.biggest_method);
7123 mono_jit_stats.biggest_method = NULL;
7128 mini_cleanup (MonoDomain *domain)
7130 mono_runtime_shutdown_stat_profiler ();
7133 cominterop_release_all_rcws ();
7136 #ifndef MONO_CROSS_COMPILE
7137 mono_runtime_shutdown ();
7139 * mono_runtime_cleanup() and mono_domain_finalize () need to
7140 * be called early since they need the execution engine still
7141 * fully working (mono_domain_finalize may invoke managed finalizers
7142 * and mono_runtime_cleanup will wait for other threads to finish).
7144 mono_domain_finalize (domain, 2000);
7147 /* This accesses metadata so needs to be called before runtime shutdown */
7150 mono_profiler_shutdown ();
7152 #ifndef MONO_CROSS_COMPILE
7153 mono_runtime_cleanup (domain);
7156 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7158 mono_icall_cleanup ();
7160 mono_runtime_cleanup_handlers ();
7162 mono_domain_free (domain, TRUE);
7164 mono_debugger_cleanup ();
7168 mono_llvm_cleanup ();
7171 mono_aot_cleanup ();
7173 mono_trampolines_cleanup ();
7175 mono_unwind_cleanup ();
7177 if (!mono_dont_free_global_codeman)
7178 mono_code_manager_destroy (global_codeman);
7179 g_hash_table_destroy (jit_icall_name_hash);
7180 g_free (emul_opcode_map);
7181 g_free (emul_opcode_opcodes);
7182 g_free (vtable_trampolines);
7184 mono_arch_cleanup ();
7186 mono_generic_sharing_cleanup ();
7190 mono_trace_cleanup ();
7192 mono_counters_dump (-1, stdout);
7194 if (mono_inject_async_exc_method)
7195 mono_method_desc_free (mono_inject_async_exc_method);
7197 mono_native_tls_free (mono_jit_tls_id);
7199 DeleteCriticalSection (&jit_mutex);
7201 DeleteCriticalSection (&mono_delegate_section);
7205 mono_set_defaults (int verbose_level, guint32 opts)
7207 mini_verbose = verbose_level;
7208 mono_set_optimizations (opts);
7212 mono_disable_optimizations (guint32 opts)
7214 default_opt &= ~opts;
7218 mono_set_optimizations (guint32 opts)
7221 default_opt_set = TRUE;
7222 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7223 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7228 mono_set_verbose_level (guint32 level)
7230 mini_verbose = level;
7234 * mono_get_runtime_build_info:
7236 * Return the runtime version + build date in string format.
7237 * The returned string is owned by the caller. The returned string
7238 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7241 mono_get_runtime_build_info (void)
7243 if (mono_build_date)
7244 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7246 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7250 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7252 GHashTable *assemblies = (GHashTable*)user_data;
7253 MonoImage *image = mono_assembly_get_image (ass);
7254 MonoMethod *method, *invoke;
7257 if (g_hash_table_lookup (assemblies, ass))
7260 g_hash_table_insert (assemblies, ass, ass);
7262 if (mini_verbose > 0)
7263 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7265 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7266 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7267 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7271 if (mini_verbose > 1) {
7272 char * desc = mono_method_full_name (method, TRUE);
7273 g_print ("Compiling %d %s\n", count, desc);
7276 mono_compile_method (method);
7277 if (strcmp (method->name, "Finalize") == 0) {
7278 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7279 mono_compile_method (invoke);
7281 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
7282 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7283 mono_compile_method (invoke);
7287 /* Load and precompile referenced assemblies as well */
7288 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7289 mono_assembly_load_reference (image, i);
7290 if (image->references [i])
7291 mono_precompile_assembly (image->references [i], assemblies);
7295 void mono_precompile_assemblies ()
7297 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7299 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7301 g_hash_table_destroy (assemblies);
7307 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7308 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7312 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7314 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7315 hole->clause = clause;
7316 hole->start_offset = start - cfg->native_code;
7317 hole->basic_block = bb;
7319 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7323 mono_cfg_set_exception (MonoCompile *cfg, int type)
7325 cfg->exception_type = type;
7330 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
7332 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
7335 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7341 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7343 g_assert_not_reached ();
7348 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
7350 g_assert_not_reached ();
7355 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
7357 g_assert_not_reached ();
7366 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
7368 g_assert_not_reached ();
7373 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
7375 g_assert_not_reached ();
7381 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(MONOTOUCH) && !defined(MONO_EXTENSIONS)
7384 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7390 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)