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 * Coprygith 2003-2010 Novell, Inc.
12 #define MONO_LLVM_IN_MINI 1
22 #ifdef HAVE_SYS_TIME_H
26 #include <mono/utils/memcheck.h>
28 #include <mono/metadata/assembly.h>
29 #include <mono/metadata/loader.h>
30 #include <mono/metadata/tabledefs.h>
31 #include <mono/metadata/class.h>
32 #include <mono/metadata/object.h>
33 #include <mono/metadata/tokentype.h>
34 #include <mono/metadata/tabledefs.h>
35 #include <mono/metadata/threads.h>
36 #include <mono/metadata/appdomain.h>
37 #include <mono/metadata/debug-helpers.h>
38 #include <mono/io-layer/io-layer.h>
39 #include "mono/metadata/profiler.h"
40 #include <mono/metadata/profiler-private.h>
41 #include <mono/metadata/mono-config.h>
42 #include <mono/metadata/environment.h>
43 #include <mono/metadata/mono-debug.h>
44 #include <mono/metadata/gc-internal.h>
45 #include <mono/metadata/threads-types.h>
46 #include <mono/metadata/verify.h>
47 #include <mono/metadata/verify-internals.h>
48 #include <mono/metadata/mempool-internals.h>
49 #include <mono/metadata/attach.h>
50 #include <mono/metadata/runtime.h>
51 #include <mono/utils/mono-math.h>
52 #include <mono/utils/mono-compiler.h>
53 #include <mono/utils/mono-counters.h>
54 #include <mono/utils/mono-logger-internal.h>
55 #include <mono/utils/mono-mmap.h>
56 #include <mono/utils/dtrace.h>
59 #include "mini-llvm.h"
66 #include "jit-icalls.h"
68 #include "debug-mini.h"
70 #include "debugger-agent.h"
72 #if defined(HAVE_KW_THREAD)
73 #define MINI_FAST_TLS_SET(x,y) x = y
74 #define MINI_FAST_TLS_GET(x) x
75 #define MINI_FAST_TLS_INIT(x)
76 #define MINI_FAST_TLS_DECLARE(x) static __thread gpointer x MONO_TLS_FAST;
77 #define MINI_HAVE_FAST_TLS
78 #define MINI_THREAD_VAR_OFFSET(x,y) MONO_THREAD_VAR_OFFSET(x,y)
79 #elif (defined(__APPLE__) && defined(__i386__))
80 #define MINI_FAST_TLS_SET(x,y) pthread_setspecific(x, y)
81 #define MINI_FAST_TLS_GET(x) pthread_getspecific(x)
82 #define MINI_FAST_TLS_INIT(x) pthread_key_create(&x, NULL)
83 #define MINI_FAST_TLS_DECLARE(x) static pthread_key_t x;
84 #define MINI_HAVE_FAST_TLS
85 #define MINI_THREAD_VAR_OFFSET(x,y) y = (gint32) x
87 #define MINI_THREAD_VAR_OFFSET(x,y) MONO_THREAD_VAR_OFFSET(x,y)
90 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
93 static guint32 default_opt = 0;
94 static gboolean default_opt_set = FALSE;
96 guint32 mono_jit_tls_id = -1;
98 #ifdef MINI_HAVE_FAST_TLS
99 MINI_FAST_TLS_DECLARE(mono_jit_tls);
102 MonoTraceSpec *mono_jit_trace_calls = NULL;
103 gboolean mono_break_on_exc = FALSE;
104 gboolean mono_compile_aot = FALSE;
105 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
106 gboolean mono_aot_only = FALSE;
107 /* Whenever to use IMT */
108 #ifdef MONO_ARCH_HAVE_IMT
109 gboolean mono_use_imt = TRUE;
111 gboolean mono_use_imt = FALSE;
113 MonoMethodDesc *mono_inject_async_exc_method = NULL;
114 int mono_inject_async_exc_pos;
115 MonoMethodDesc *mono_break_at_bb_method = NULL;
116 int mono_break_at_bb_bb_num;
117 gboolean mono_do_x86_stack_align = TRUE;
118 const char *mono_build_date;
119 gboolean mono_do_signal_chaining;
120 static gboolean mono_using_xdebug;
121 static int mini_verbose = 0;
124 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
125 * it can load AOT code compiled by LLVM.
127 gboolean mono_use_llvm = FALSE;
129 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
130 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
131 static CRITICAL_SECTION jit_mutex;
133 static MonoCodeManager *global_codeman = NULL;
135 static GHashTable *jit_icall_name_hash = NULL;
137 static MonoDebugOptions debug_options;
139 #ifdef VALGRIND_JIT_REGISTER_MAP
140 static int valgrind_register = 0;
144 * Table written to by the debugger with a 1-based index into the
145 * mono_breakpoint_info table, which contains changes made to
146 * the JIT instructions by the debugger.
149 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
151 /* Whenever to check for pending exceptions in managed-to-native wrappers */
152 gboolean check_for_pending_exc = TRUE;
154 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
155 gboolean disable_vtypes_in_regs = FALSE;
157 gboolean mono_dont_free_global_codeman;
160 mono_realloc_native_code (MonoCompile *cfg)
162 #if defined(__default_codegen__)
163 return g_realloc (cfg->native_code, cfg->code_size);
164 #elif defined(__native_client_codegen__)
166 gpointer native_code;
167 guint alignment_check;
169 /* Save the old alignment offset so we can re-align after the realloc. */
170 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
172 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
173 cfg->code_size + kNaClAlignment );
175 /* Align native_code to next nearest kNaClAlignment byte. */
176 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
177 native_code = (guint)native_code & ~kNaClAlignmentMask;
179 /* Shift the data to be 32-byte aligned again. */
180 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
182 alignment_check = (guint)native_code & kNaClAlignmentMask;
183 g_assert (alignment_check == 0);
186 g_assert_not_reached ();
187 return cfg->native_code;
191 #ifdef __native_client_codegen__
193 /* Prevent instructions from straddling a 32-byte alignment boundary. */
194 /* Instructions longer than 32 bytes must be aligned internally. */
195 /* IN: pcode, instlen */
197 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
200 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
202 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
203 g_assert_not_reached();
204 } else if (instlen > space_in_block) {
205 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
209 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
210 /* IN: start pointer to start of call sequence */
211 /* IN: pcode pointer to end of call sequence (current "IP") */
212 /* OUT: start pointer to the start of the call sequence after padding */
213 /* OUT: pcode pointer to the end of the call sequence after padding */
214 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
215 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
216 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
219 const size_t length = (size_t)((*pcode)-(*start));
220 g_assert(length < MAX_NACL_CALL_LENGTH);
222 memcpy(copy_of_call, *start, length);
223 temp = mono_nacl_pad_call(*start, (guint8)length);
224 memcpy(temp, copy_of_call, length);
226 (*pcode) = temp + length;
229 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
230 /* code pointer to buffer for emitting code */
231 /* ilength length of call instruction */
232 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
233 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
234 int padding = freeSpaceInBlock - ilength;
237 /* There isn't enough space in this block for the instruction. */
238 /* Fill this block and start a new one. */
239 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
240 freeSpaceInBlock = kNaClAlignment;
241 padding = freeSpaceInBlock - ilength;
243 g_assert(ilength > 0);
244 g_assert(padding >= 0);
245 g_assert(padding < kNaClAlignment);
246 if (0 == padding) return code;
247 return mono_arch_nacl_pad(code, padding);
250 guint8 *mono_nacl_align(guint8 *code) {
251 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
252 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
256 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
258 MonoJumpInfo *patch_info;
259 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
260 unsigned char *ip = patch_info->ip.i + code;
261 ip = mono_arch_nacl_skip_nops(ip);
262 patch_info->ip.i = ip - code;
265 #endif /* __native_client_codegen__ */
268 mono_running_on_valgrind (void)
270 if (RUNNING_ON_VALGRIND){
271 #ifdef VALGRIND_JIT_REGISTER_MAP
272 valgrind_register = TRUE;
280 MonoExceptionClause *clause;
281 MonoBasicBlock *basic_block;
291 find_tramp (gpointer key, gpointer value, gpointer user_data)
293 FindTrampUserData *ud = (FindTrampUserData*)user_data;
296 ud->method = (MonoMethod*)key;
300 G_GNUC_UNUSED static char*
301 get_method_from_ip (void *ip)
306 MonoDomain *domain = mono_domain_get ();
307 MonoDebugSourceLocation *location;
308 FindTrampUserData user_data;
310 ji = mono_jit_info_table_find (domain, ip);
313 user_data.method = NULL;
314 mono_domain_lock (domain);
315 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
316 mono_domain_unlock (domain);
317 if (user_data.method) {
318 char *mname = mono_method_full_name (user_data.method, TRUE);
319 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
326 method = mono_method_full_name (ji->method, TRUE);
327 /* FIXME: unused ? */
328 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
330 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);
332 mono_debug_free_source_location (location);
340 * @ip: an instruction pointer address
342 * This method is used from a debugger to get the name of the
343 * method at address @ip. This routine is typically invoked from
344 * a debugger like this:
346 * (gdb) print mono_pmip ($pc)
348 * Returns: the name of the method at address @ip.
353 return get_method_from_ip (ip);
357 * mono_print_method_from_ip
358 * @ip: an instruction pointer address
360 * This method is used from a debugger to get the name of the
361 * method at address @ip.
363 * This prints the name of the method at address @ip in the standard
364 * output. Unlike mono_pmip which returns a string, this routine
365 * prints the value on the standard output.
368 mono_print_method_from_ip (void *ip)
372 MonoDebugSourceLocation *source;
373 MonoDomain *domain = mono_domain_get ();
374 MonoDomain *target_domain = mono_domain_get ();
375 FindTrampUserData user_data;
377 ji = mini_jit_info_table_find (domain, ip, &target_domain);
380 user_data.method = NULL;
381 mono_domain_lock (domain);
382 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
383 mono_domain_unlock (domain);
384 if (user_data.method) {
385 char *mname = mono_method_full_name (user_data.method, TRUE);
386 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
390 g_print ("No method at %p\n", ip);
393 method = mono_method_full_name (ji->method, TRUE);
394 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
396 g_print ("IP %p at offset 0x%x of method %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
399 g_print ("%s:%d\n", source->source_file, source->row);
401 mono_debug_free_source_location (source);
406 * mono_method_same_domain:
408 * Determine whenever two compiled methods are in the same domain, thus
409 * the address of the callee can be embedded in the caller.
411 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
413 if (!caller || !callee)
417 * If the call was made from domain-neutral to domain-specific
418 * code, we can't patch the call site.
420 if (caller->domain_neutral && !callee->domain_neutral)
423 if ((caller->method->klass == mono_defaults.appdomain_class) &&
424 (strstr (caller->method->name, "InvokeInDomain"))) {
425 /* The InvokeInDomain methods change the current appdomain */
433 * mono_global_codeman_reserve:
435 * Allocate code memory from the global code manager.
437 void *mono_global_codeman_reserve (int size)
442 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
444 if (!global_codeman) {
445 /* This can happen during startup */
446 global_codeman = mono_code_manager_new ();
447 return mono_code_manager_reserve (global_codeman, size);
451 ptr = mono_code_manager_reserve (global_codeman, size);
457 #if defined(__native_client_codegen__) && defined(__native_client__)
458 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
459 * which we are generating code, return a pointer to the destination in the
460 * dynamic code segment into which the code will be copied when
461 * mono_global_codeman_commit is called.
462 * LOCKING: Acquires the jit lock.
465 nacl_global_codeman_get_dest (void *data)
469 dest = nacl_code_manager_get_code_dest (global_codeman, data);
475 mono_global_codeman_commit (void *data, int size, int newsize)
478 mono_code_manager_commit (global_codeman, data, size, newsize);
483 * Convenience function which calls mono_global_codeman_commit to validate and
484 * copy the code. The caller sets *buf_base and *buf_size to the start and size
485 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
486 * the byte after the last instruction byte. On return, *buf_base will point to
487 * the start of the copied in the code segment, and *code_end will point after
488 * the end of the copied code.
491 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
493 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
494 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
495 *code_end = tmp + (*code_end - *buf_base);
498 #endif /* __native_client__ */
501 * mono_create_unwind_op:
503 * Create an unwind op with the given parameters.
506 mono_create_unwind_op (int when, int tag, int reg, int val)
508 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
519 * mono_emit_unwind_op:
521 * Add an unwind op with the given parameters for the list of unwind ops stored in
525 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
527 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
534 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
538 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
540 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
543 res->has_context = context != NULL;
545 memcpy (&res->context, context, sizeof (MonoGenericContext));
551 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
553 return mono_jump_info_token_new2 (mp, image, token, NULL);
557 * mono_tramp_info_create:
559 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
560 * of NAME, JI, and UNWIND_OPS.
563 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
565 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
567 info->name = (char*)name;
569 info->code_size = code_size;
571 info->unwind_ops = unwind_ops;
577 mono_tramp_info_free (MonoTrampInfo *info)
584 for (l = info->unwind_ops; l; l = l->next)
586 g_slist_free (info->unwind_ops);
590 #define MONO_INIT_VARINFO(vi,id) do { \
591 (vi)->range.first_use.pos.bid = 0xffff; \
597 * mono_unlink_bblock:
599 * Unlink two basic blocks.
602 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
608 for (i = 0; i < from->out_count; ++i) {
609 if (to == from->out_bb [i]) {
616 for (i = 0; i < from->out_count; ++i) {
617 if (from->out_bb [i] != to)
618 from->out_bb [pos ++] = from->out_bb [i];
620 g_assert (pos == from->out_count - 1);
625 for (i = 0; i < to->in_count; ++i) {
626 if (from == to->in_bb [i]) {
633 for (i = 0; i < to->in_count; ++i) {
634 if (to->in_bb [i] != from)
635 to->in_bb [pos ++] = to->in_bb [i];
637 g_assert (pos == to->in_count - 1);
643 * mono_bblocks_linked:
645 * Return whenever BB1 and BB2 are linked in the CFG.
648 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
652 for (i = 0; i < bb1->out_count; ++i) {
653 if (bb1->out_bb [i] == bb2)
661 mono_find_block_region_notry (MonoCompile *cfg, int offset)
663 MonoMethodHeader *header = cfg->header;
664 MonoExceptionClause *clause;
667 for (i = 0; i < header->num_clauses; ++i) {
668 clause = &header->clauses [i];
669 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
670 (offset < (clause->handler_offset)))
671 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
673 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
674 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
675 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
676 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
677 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
679 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
687 * mono_get_block_region_notry:
689 * Return the region corresponding to REGION, ignoring try clauses nested inside
693 mono_get_block_region_notry (MonoCompile *cfg, int region)
695 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
696 MonoMethodHeader *header = cfg->header;
699 * This can happen if a try clause is nested inside a finally clause.
701 int clause_index = (region >> 8) - 1;
702 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
704 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
711 mono_find_spvar_for_region (MonoCompile *cfg, int region)
713 region = mono_get_block_region_notry (cfg, region);
715 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
719 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
723 array [*dfn] = start;
724 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
725 for (i = 0; i < start->out_count; ++i) {
726 if (start->out_bb [i]->dfn)
729 start->out_bb [i]->dfn = *dfn;
730 start->out_bb [i]->df_parent = start;
731 array [*dfn] = start->out_bb [i];
732 df_visit (start->out_bb [i], dfn, array);
737 mono_reverse_branch_op (guint32 opcode)
739 static const int reverse_map [] = {
740 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
741 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
743 static const int reverse_fmap [] = {
744 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
745 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
747 static const int reverse_lmap [] = {
748 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
749 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
751 static const int reverse_imap [] = {
752 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
753 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
756 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
757 opcode = reverse_map [opcode - CEE_BEQ];
758 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
759 opcode = reverse_fmap [opcode - OP_FBEQ];
760 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
761 opcode = reverse_lmap [opcode - OP_LBEQ];
762 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
763 opcode = reverse_imap [opcode - OP_IBEQ];
765 g_assert_not_reached ();
771 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
774 return OP_STORE_MEMBASE_REG;
777 switch (type->type) {
780 case MONO_TYPE_BOOLEAN:
781 return OP_STOREI1_MEMBASE_REG;
785 return OP_STOREI2_MEMBASE_REG;
788 return OP_STOREI4_MEMBASE_REG;
792 case MONO_TYPE_FNPTR:
793 return OP_STORE_MEMBASE_REG;
794 case MONO_TYPE_CLASS:
795 case MONO_TYPE_STRING:
796 case MONO_TYPE_OBJECT:
797 case MONO_TYPE_SZARRAY:
798 case MONO_TYPE_ARRAY:
799 return OP_STORE_MEMBASE_REG;
802 return OP_STOREI8_MEMBASE_REG;
804 return OP_STORER4_MEMBASE_REG;
806 return OP_STORER8_MEMBASE_REG;
807 case MONO_TYPE_VALUETYPE:
808 if (type->data.klass->enumtype) {
809 type = mono_class_enum_basetype (type->data.klass);
812 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
813 return OP_STOREX_MEMBASE;
814 return OP_STOREV_MEMBASE;
815 case MONO_TYPE_TYPEDBYREF:
816 return OP_STOREV_MEMBASE;
817 case MONO_TYPE_GENERICINST:
818 type = &type->data.generic_class->container_class->byval_arg;
822 /* FIXME: all the arguments must be references for now,
823 * later look inside cfg and see if the arg num is
826 g_assert (cfg->generic_sharing_context);
827 return OP_STORE_MEMBASE_REG;
829 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
835 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
838 return OP_LOAD_MEMBASE;
840 type = mono_type_get_underlying_type (type);
842 switch (type->type) {
844 return OP_LOADI1_MEMBASE;
846 case MONO_TYPE_BOOLEAN:
847 return OP_LOADU1_MEMBASE;
849 return OP_LOADI2_MEMBASE;
852 return OP_LOADU2_MEMBASE;
854 return OP_LOADI4_MEMBASE;
856 return OP_LOADU4_MEMBASE;
860 case MONO_TYPE_FNPTR:
861 return OP_LOAD_MEMBASE;
862 case MONO_TYPE_CLASS:
863 case MONO_TYPE_STRING:
864 case MONO_TYPE_OBJECT:
865 case MONO_TYPE_SZARRAY:
866 case MONO_TYPE_ARRAY:
867 return OP_LOAD_MEMBASE;
870 return OP_LOADI8_MEMBASE;
872 return OP_LOADR4_MEMBASE;
874 return OP_LOADR8_MEMBASE;
875 case MONO_TYPE_VALUETYPE:
876 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
877 return OP_LOADX_MEMBASE;
878 case MONO_TYPE_TYPEDBYREF:
879 return OP_LOADV_MEMBASE;
880 case MONO_TYPE_GENERICINST:
881 if (mono_type_generic_inst_is_valuetype (type))
882 return OP_LOADV_MEMBASE;
884 return OP_LOAD_MEMBASE;
888 /* FIXME: all the arguments must be references for now,
889 * later look inside cfg and see if the arg num is
892 g_assert (cfg->generic_sharing_context);
893 return OP_LOAD_MEMBASE;
895 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
901 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
903 if (cfg->generic_sharing_context && !type->byref) {
904 /* FIXME: all the arguments must be references for now,
905 * later look inside cfg and see if the arg num is
908 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
909 return CEE_LDIND_REF;
911 return mono_type_to_ldind (type);
915 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
917 if (cfg->generic_sharing_context && !type->byref) {
918 /* FIXME: all the arguments must be references for now,
919 * later look inside cfg and see if the arg num is
922 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
923 return CEE_STIND_REF;
925 return mono_type_to_stind (type);
929 mono_op_imm_to_op (int opcode)
933 #if SIZEOF_REGISTER == 4
949 #if SIZEOF_REGISTER == 4
955 #if SIZEOF_REGISTER == 4
961 #if SIZEOF_REGISTER == 4
999 #if SIZEOF_REGISTER == 4
1005 #if SIZEOF_REGISTER == 4
1022 case OP_COMPARE_IMM:
1024 case OP_ICOMPARE_IMM:
1026 case OP_LOCALLOC_IMM:
1029 printf ("%s\n", mono_inst_name (opcode));
1030 g_assert_not_reached ();
1036 * mono_decompose_op_imm:
1038 * Replace the OP_.._IMM INS with its non IMM variant.
1041 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1045 MONO_INST_NEW (cfg, temp, OP_ICONST);
1046 temp->inst_c0 = ins->inst_imm;
1047 temp->dreg = mono_alloc_ireg (cfg);
1048 mono_bblock_insert_before_ins (bb, ins, temp);
1049 ins->opcode = mono_op_imm_to_op (ins->opcode);
1050 if (ins->opcode == OP_LOCALLOC)
1051 ins->sreg1 = temp->dreg;
1053 ins->sreg2 = temp->dreg;
1055 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1059 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1061 if (vreg >= cfg->vreg_to_inst_len) {
1062 MonoInst **tmp = cfg->vreg_to_inst;
1063 int size = cfg->vreg_to_inst_len;
1065 while (vreg >= cfg->vreg_to_inst_len)
1066 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1067 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1069 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1071 cfg->vreg_to_inst [vreg] = inst;
1074 #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)))
1075 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1080 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1088 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1091 int num = cfg->num_varinfo;
1094 if ((num + 1) >= cfg->varinfo_count) {
1095 int orig_count = cfg->varinfo_count;
1096 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1097 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1098 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1099 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1102 mono_jit_stats.allocate_var++;
1104 MONO_INST_NEW (cfg, inst, opcode);
1105 inst->inst_c0 = num;
1106 inst->inst_vtype = type;
1107 inst->klass = mono_class_from_mono_type (type);
1108 type_to_eval_stack_type (cfg, type, inst);
1109 /* if set to 1 the variable is native */
1110 inst->backend.is_pinvoke = 0;
1113 cfg->varinfo [num] = inst;
1115 MONO_INIT_VARINFO (&cfg->vars [num], num);
1116 MONO_VARINFO (cfg, num)->vreg = vreg;
1119 set_vreg_to_inst (cfg, vreg, inst);
1121 #if SIZEOF_REGISTER == 4
1122 #ifdef MONO_ARCH_SOFT_FLOAT
1123 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1125 regpair = mono_type_is_long (type);
1135 * These two cannot be allocated using create_var_for_vreg since that would
1136 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1140 * Set flags to VOLATILE so SSA skips it.
1143 if (cfg->verbose_level >= 4) {
1144 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1147 #ifdef MONO_ARCH_SOFT_FLOAT
1148 if (cfg->opt & MONO_OPT_SSA) {
1149 if (mono_type_is_float (type))
1150 inst->flags = MONO_INST_VOLATILE;
1154 /* Allocate a dummy MonoInst for the first vreg */
1155 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1156 tree->dreg = inst->dreg + 1;
1157 if (cfg->opt & MONO_OPT_SSA)
1158 tree->flags = MONO_INST_VOLATILE;
1159 tree->inst_c0 = num;
1160 tree->type = STACK_I4;
1161 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1162 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1164 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1166 /* Allocate a dummy MonoInst for the second vreg */
1167 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1168 tree->dreg = inst->dreg + 2;
1169 if (cfg->opt & MONO_OPT_SSA)
1170 tree->flags = MONO_INST_VOLATILE;
1171 tree->inst_c0 = num;
1172 tree->type = STACK_I4;
1173 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1174 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1176 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1180 if (cfg->verbose_level > 2)
1181 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1186 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1190 if (mono_type_is_long (type))
1191 dreg = mono_alloc_dreg (cfg, STACK_I8);
1192 #ifdef MONO_ARCH_SOFT_FLOAT
1193 else if (mono_type_is_float (type))
1194 dreg = mono_alloc_dreg (cfg, STACK_R8);
1197 /* All the others are unified */
1198 dreg = mono_alloc_preg (cfg);
1200 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1204 * Transform a MonoInst into a load from the variable of index var_index.
1207 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1208 memset (dest, 0, sizeof (MonoInst));
1209 dest->inst_i0 = cfg->varinfo [var_index];
1210 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1211 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1212 dest->klass = dest->inst_i0->klass;
1218 type_from_stack_type (MonoInst *ins) {
1219 switch (ins->type) {
1220 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1221 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1222 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1223 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1226 * this if used to be commented without any specific reason, but
1227 * it breaks #80235 when commented
1230 return &ins->klass->this_arg;
1232 return &mono_defaults.object_class->this_arg;
1234 /* ins->klass may not be set for ldnull.
1235 * Also, if we have a boxed valuetype, we want an object lass,
1236 * not the valuetype class
1238 if (ins->klass && !ins->klass->valuetype)
1239 return &ins->klass->byval_arg;
1240 return &mono_defaults.object_class->byval_arg;
1241 case STACK_VTYPE: return &ins->klass->byval_arg;
1243 g_error ("stack type %d to montype not handled\n", ins->type);
1249 mono_type_from_stack_type (MonoInst *ins) {
1250 return type_from_stack_type (ins);
1254 * mono_add_ins_to_end:
1256 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1259 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1264 MONO_ADD_INS (bb, inst);
1268 switch (bb->last_ins->opcode) {
1282 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1285 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1286 /* Need to insert the ins before the compare */
1287 if (bb->code == bb->last_ins) {
1288 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1292 if (bb->code->next == bb->last_ins) {
1293 /* Only two instructions */
1294 opcode = bb->code->opcode;
1296 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)) {
1298 mono_bblock_insert_before_ins (bb, bb->code, inst);
1300 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1303 opcode = bb->last_ins->prev->opcode;
1305 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)) {
1307 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1309 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1314 MONO_ADD_INS (bb, inst);
1320 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1322 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1323 MonoJumpInfoBBTable *table;
1325 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1327 table->table_size = num_blocks;
1329 ji->ip.label = label;
1330 ji->type = MONO_PATCH_INFO_SWITCH;
1331 ji->data.table = table;
1332 ji->next = cfg->patch_info;
1333 cfg->patch_info = ji;
1336 static MonoMethodSignature *
1337 mono_get_array_new_va_signature (int arity)
1339 static GHashTable *sighash = NULL;
1340 MonoMethodSignature *res;
1345 sighash = g_hash_table_new (NULL, NULL);
1347 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1352 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1355 #ifdef MONO_ARCH_VARARG_ICALLS
1356 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1357 res->call_convention = MONO_CALL_VARARG;
1361 res->call_convention = MONO_CALL_C;
1364 res->params [0] = &mono_defaults.int_class->byval_arg;
1365 for (i = 0; i < arity; i++)
1366 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1368 res->ret = &mono_defaults.object_class->byval_arg;
1370 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1377 mono_get_array_new_va_icall (int rank)
1379 MonoMethodSignature *esig;
1380 char icall_name [256];
1382 MonoJitICallInfo *info;
1384 /* Need to register the icall so it gets an icall wrapper */
1385 sprintf (icall_name, "ves_array_new_va_%d", rank);
1388 info = mono_find_jit_icall_by_name (icall_name);
1390 esig = mono_get_array_new_va_signature (rank);
1391 name = g_strdup (icall_name);
1392 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1394 g_hash_table_insert (jit_icall_name_hash, name, name);
1402 mini_class_is_system_array (MonoClass *klass)
1404 if (klass->parent == mono_defaults.array_class)
1411 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1413 MonoAssembly *assembly = method->klass->image->assembly;
1414 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1416 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1418 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1420 return mono_assembly_has_skip_verification (assembly);
1424 * mini_method_verify:
1426 * Verify the method using the new verfier.
1428 * Returns true if the method is invalid.
1431 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1434 gboolean is_fulltrust;
1435 MonoLoaderError *error;
1437 if (method->verification_success)
1440 is_fulltrust = mono_verifier_is_method_full_trust (method);
1442 if (!mono_verifier_is_enabled_for_method (method))
1445 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility);
1447 if ((error = mono_loader_get_last_error ())) {
1449 cfg->exception_type = error->exception_type;
1451 mono_loader_clear_error ();
1453 mono_free_verify_list (res);
1458 for (tmp = res; tmp; tmp = tmp->next) {
1459 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1460 if (info->info.status == MONO_VERIFY_ERROR) {
1462 char *method_name = mono_method_full_name (method, TRUE);
1463 cfg->exception_type = info->exception_type;
1464 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1465 g_free (method_name);
1467 mono_free_verify_list (res);
1470 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1472 char *method_name = mono_method_full_name (method, TRUE);
1473 cfg->exception_type = info->exception_type;
1474 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1475 g_free (method_name);
1477 mono_free_verify_list (res);
1481 mono_free_verify_list (res);
1483 method->verification_success = 1;
1487 /*Returns true if something went wrong*/
1489 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1491 MonoMethod *method_definition = method;
1492 gboolean dont_verify = mini_assembly_can_skip_verification (cfg->domain, method);
1493 dont_verify |= method->klass->image->assembly->corlib_internal;
1495 while (method_definition->is_inflated) {
1496 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1497 method_definition = imethod->declaring;
1500 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1503 static gconstpointer
1504 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1507 MonoMethod *wrapper;
1508 gconstpointer trampoline;
1509 MonoDomain *domain = mono_get_root_domain ();
1511 if (callinfo->wrapper) {
1512 return callinfo->wrapper;
1515 if (callinfo->trampoline)
1516 return callinfo->trampoline;
1519 * We use the lock on the root domain instead of the JIT lock to protect
1520 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1522 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1523 mono_domain_lock (domain);
1525 if (callinfo->trampoline) {
1526 mono_domain_unlock (domain);
1527 mono_loader_unlock ();
1528 return callinfo->trampoline;
1531 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1532 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1536 trampoline = mono_compile_method (wrapper);
1538 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1539 mono_register_jit_icall_wrapper (callinfo, trampoline);
1541 callinfo->trampoline = trampoline;
1543 mono_domain_unlock (domain);
1544 mono_loader_unlock ();
1546 return callinfo->trampoline;
1550 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1552 return mono_icall_get_wrapper_full (callinfo, FALSE);
1556 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1558 if (!domain_jit_info (domain)->dynamic_code_hash)
1559 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1560 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1563 static MonoJitDynamicMethodInfo*
1564 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1566 MonoJitDynamicMethodInfo *res;
1568 if (domain_jit_info (domain)->dynamic_code_hash)
1569 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1577 GList *active, *inactive;
1582 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1584 MonoMethodVar *v1 = (MonoMethodVar*)a;
1585 MonoMethodVar *v2 = (MonoMethodVar*)b;
1589 else if (v1->interval->range && v2->interval->range)
1590 return v1->interval->range->from - v2->interval->range->from;
1591 else if (v1->interval->range)
1600 #define LSCAN_DEBUG(a) do { a; } while (0)
1602 #define LSCAN_DEBUG(a)
1606 mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1608 int i, slot, offset, size;
1613 GList *vars = NULL, *l, *unhandled;
1614 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1617 gboolean reuse_slot;
1619 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1621 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1622 vtype_stack_slots = NULL;
1625 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1626 for (i = 0; i < cfg->num_varinfo; ++i)
1629 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1630 inst = cfg->varinfo [i];
1631 vmv = MONO_VARINFO (cfg, i);
1633 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1636 vars = g_list_prepend (vars, vmv);
1639 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1644 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1645 MonoMethodVar *current = unhandled->data;
1647 if (current->interval->range) {
1648 g_assert (current->interval->range->from >= i);
1649 i = current->interval->range->from;
1656 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1657 MonoMethodVar *current = unhandled->data;
1660 inst = cfg->varinfo [vmv->idx];
1662 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1663 * pinvoke wrappers when they call functions returning structures */
1664 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1665 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1670 size = mono_type_size (inst->inst_vtype, &ialign);
1673 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1678 if (cfg->disable_reuse_stack_slots)
1681 t = mono_type_get_underlying_type (inst->inst_vtype);
1683 case MONO_TYPE_GENERICINST:
1684 if (!mono_type_generic_inst_is_valuetype (t)) {
1685 slot_info = &scalar_stack_slots [t->type];
1689 case MONO_TYPE_VALUETYPE:
1690 if (!vtype_stack_slots)
1691 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1692 for (i = 0; i < nvtypes; ++i)
1693 if (t->data.klass == vtype_stack_slots [i].vtype)
1696 slot_info = &vtype_stack_slots [i];
1698 g_assert (nvtypes < 256);
1699 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1700 slot_info = &vtype_stack_slots [nvtypes];
1703 if (cfg->disable_reuse_ref_stack_slots)
1710 #if SIZEOF_VOID_P == 4
1715 if (cfg->disable_ref_noref_stack_slot_share) {
1716 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1721 case MONO_TYPE_CLASS:
1722 case MONO_TYPE_OBJECT:
1723 case MONO_TYPE_ARRAY:
1724 case MONO_TYPE_SZARRAY:
1725 case MONO_TYPE_STRING:
1726 /* Share non-float stack slots of the same size */
1727 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1728 if (cfg->disable_reuse_ref_stack_slots)
1733 slot_info = &scalar_stack_slots [t->type];
1737 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1741 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1743 if (!current->interval->range) {
1744 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1748 inst->flags |= MONO_INST_IS_DEAD;
1753 pos = current->interval->range->from;
1755 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1756 if (current->interval->range)
1757 LSCAN_DEBUG (mono_linterval_print (current->interval));
1758 LSCAN_DEBUG (printf ("\n"));
1760 /* Check for intervals in active which expired or inactive */
1762 /* FIXME: Optimize this */
1765 for (l = slot_info->active; l != NULL; l = l->next) {
1766 MonoMethodVar *v = (MonoMethodVar*)l->data;
1768 if (v->interval->last_range->to < pos) {
1769 slot_info->active = g_list_delete_link (slot_info->active, l);
1770 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1771 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1775 else if (!mono_linterval_covers (v->interval, pos)) {
1776 slot_info->inactive = g_list_append (slot_info->inactive, v);
1777 slot_info->active = g_list_delete_link (slot_info->active, l);
1778 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1785 /* Check for intervals in inactive which expired or active */
1787 /* FIXME: Optimize this */
1790 for (l = slot_info->inactive; l != NULL; l = l->next) {
1791 MonoMethodVar *v = (MonoMethodVar*)l->data;
1793 if (v->interval->last_range->to < pos) {
1794 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1795 // FIXME: Enabling this seems to cause impossible to debug crashes
1796 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1797 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1801 else if (mono_linterval_covers (v->interval, pos)) {
1802 slot_info->active = g_list_append (slot_info->active, v);
1803 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1804 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1812 * This also handles the case when the variable is used in an
1813 * exception region, as liveness info is not computed there.
1816 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1819 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1820 if (slot_info->slots) {
1821 slot = GPOINTER_TO_INT (slot_info->slots->data);
1823 slot_info->slots = slot_info->slots->next;
1826 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1828 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1834 static int count = 0;
1837 if (count == atoi (getenv ("COUNT3")))
1838 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1839 if (count > atoi (getenv ("COUNT3")))
1842 mono_print_ins (inst);
1847 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1852 if (slot == 0xffffff) {
1854 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1855 * efficient copying (and to work around the fact that OP_MEMCPY
1856 * and OP_MEMSET ignores alignment).
1858 if (MONO_TYPE_ISSTRUCT (t)) {
1859 align = MAX (align, sizeof (gpointer));
1860 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1865 offset += align - 1;
1866 offset &= ~(align - 1);
1870 offset += align - 1;
1871 offset &= ~(align - 1);
1876 if (*stack_align == 0)
1877 *stack_align = align;
1880 offsets [vmv->idx] = slot;
1883 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1884 if (scalar_stack_slots [i].active)
1885 g_list_free (scalar_stack_slots [i].active);
1887 for (i = 0; i < nvtypes; ++i) {
1888 if (vtype_stack_slots [i].active)
1889 g_list_free (vtype_stack_slots [i].active);
1892 mono_jit_stats.locals_stack_size += offset;
1894 *stack_size = offset;
1899 * mono_allocate_stack_slots_full:
1901 * Allocate stack slots for all non register allocated variables using a
1902 * linear scan algorithm.
1903 * Returns: an array of stack offsets.
1904 * STACK_SIZE is set to the amount of stack space needed.
1905 * STACK_ALIGN is set to the alignment needed by the locals area.
1908 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1910 int i, slot, offset, size;
1915 GList *vars = NULL, *l;
1916 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1919 gboolean reuse_slot;
1921 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1922 return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
1924 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1925 vtype_stack_slots = NULL;
1928 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1929 for (i = 0; i < cfg->num_varinfo; ++i)
1932 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1933 inst = cfg->varinfo [i];
1934 vmv = MONO_VARINFO (cfg, i);
1936 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1939 vars = g_list_prepend (vars, vmv);
1942 vars = mono_varlist_sort (cfg, vars, 0);
1944 *stack_align = SIZEOF_REGISTER;
1945 for (l = vars; l; l = l->next) {
1947 inst = cfg->varinfo [vmv->idx];
1949 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1950 * pinvoke wrappers when they call functions returning structures */
1951 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1952 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1956 size = mono_type_size (inst->inst_vtype, &ialign);
1959 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1964 if (cfg->disable_reuse_stack_slots)
1967 t = mono_type_get_underlying_type (inst->inst_vtype);
1969 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1972 case MONO_TYPE_GENERICINST:
1973 if (!mono_type_generic_inst_is_valuetype (t)) {
1974 slot_info = &scalar_stack_slots [t->type];
1978 case MONO_TYPE_VALUETYPE:
1979 if (!vtype_stack_slots)
1980 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1981 for (i = 0; i < nvtypes; ++i)
1982 if (t->data.klass == vtype_stack_slots [i].vtype)
1985 slot_info = &vtype_stack_slots [i];
1987 g_assert (nvtypes < 256);
1988 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1989 slot_info = &vtype_stack_slots [nvtypes];
1992 if (cfg->disable_reuse_ref_stack_slots)
1999 #if SIZEOF_VOID_P == 4
2004 if (cfg->disable_ref_noref_stack_slot_share) {
2005 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2010 case MONO_TYPE_CLASS:
2011 case MONO_TYPE_OBJECT:
2012 case MONO_TYPE_ARRAY:
2013 case MONO_TYPE_SZARRAY:
2014 case MONO_TYPE_STRING:
2015 /* Share non-float stack slots of the same size */
2016 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2017 if (cfg->disable_reuse_ref_stack_slots)
2022 slot_info = &scalar_stack_slots [t->type];
2027 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2028 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2030 /* expire old intervals in active */
2031 while (slot_info->active) {
2032 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2034 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2037 //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);
2039 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2040 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2044 * This also handles the case when the variable is used in an
2045 * exception region, as liveness info is not computed there.
2048 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2051 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2052 if (slot_info->slots) {
2053 slot = GPOINTER_TO_INT (slot_info->slots->data);
2055 slot_info->slots = slot_info->slots->next;
2058 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2063 static int count = 0;
2067 if (count == atoi (getenv ("COUNT")))
2068 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2069 if (count > atoi (getenv ("COUNT")))
2072 mono_print_ins (inst);
2080 if (slot == 0xffffff) {
2082 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2083 * efficient copying (and to work around the fact that OP_MEMCPY
2084 * and OP_MEMSET ignores alignment).
2086 if (MONO_TYPE_ISSTRUCT (t)) {
2087 align = MAX (align, sizeof (gpointer));
2088 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2090 * Align the size too so the code generated for passing vtypes in
2091 * registers doesn't overwrite random locals.
2093 size = (size + (align - 1)) & ~(align -1);
2098 offset += align - 1;
2099 offset &= ~(align - 1);
2103 offset += align - 1;
2104 offset &= ~(align - 1);
2109 *stack_align = MAX (*stack_align, align);
2112 offsets [vmv->idx] = slot;
2115 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2116 if (scalar_stack_slots [i].active)
2117 g_list_free (scalar_stack_slots [i].active);
2119 for (i = 0; i < nvtypes; ++i) {
2120 if (vtype_stack_slots [i].active)
2121 g_list_free (vtype_stack_slots [i].active);
2124 mono_jit_stats.locals_stack_size += offset;
2126 *stack_size = offset;
2133 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2135 g_assert_not_reached ();
2139 #endif /* DISABLE_JIT */
2142 mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align)
2144 return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align);
2147 #define EMUL_HIT_SHIFT 3
2148 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2149 /* small hit bitmap cache */
2150 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2151 static short emul_opcode_num = 0;
2152 static short emul_opcode_alloced = 0;
2153 static short *emul_opcode_opcodes = NULL;
2154 static MonoJitICallInfo **emul_opcode_map = NULL;
2157 mono_find_jit_opcode_emulation (int opcode)
2159 g_assert (opcode >= 0 && opcode <= OP_LAST);
2160 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2162 for (i = 0; i < emul_opcode_num; ++i) {
2163 if (emul_opcode_opcodes [i] == opcode)
2164 return emul_opcode_map [i];
2171 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
2173 MonoJitICallInfo *info;
2174 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2176 g_assert (!sig->hasthis);
2177 g_assert (sig->param_count < 3);
2179 info = mono_register_jit_icall (func, name, sig, no_throw);
2181 if (emul_opcode_num >= emul_opcode_alloced) {
2182 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2183 emul_opcode_alloced += incr;
2184 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2185 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2187 emul_opcode_map [emul_opcode_num] = info;
2188 emul_opcode_opcodes [emul_opcode_num] = opcode;
2190 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2194 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2196 MonoMethodSignature *sig;
2199 sig = mono_create_icall_signature (sigstr);
2203 mono_register_jit_icall (func, name, sig, save);
2207 print_dfn (MonoCompile *cfg) {
2214 char *method_name = mono_method_full_name (cfg->method, TRUE);
2215 g_print ("IR code for method %s\n", method_name);
2216 g_free (method_name);
2219 for (i = 0; i < cfg->num_bblocks; ++i) {
2220 bb = cfg->bblocks [i];
2221 /*if (bb->cil_code) {
2222 char* code1, *code2;
2223 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2224 if (bb->last_ins->cil_code)
2225 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2227 code2 = g_strdup ("");
2229 code1 [strlen (code1) - 1] = 0;
2230 code = g_strdup_printf ("%s -> %s", code1, code2);
2234 code = g_strdup ("\n");
2235 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2236 MONO_BB_FOR_EACH_INS (bb, c) {
2237 mono_print_ins_index (-1, c);
2240 g_print ("\tprev:");
2241 for (j = 0; j < bb->in_count; ++j) {
2242 g_print (" BB%d", bb->in_bb [j]->block_num);
2244 g_print ("\t\tsucc:");
2245 for (j = 0; j < bb->out_count; ++j) {
2246 g_print (" BB%d", bb->out_bb [j]->block_num);
2248 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2251 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2254 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2256 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2264 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2266 MONO_ADD_INS (bb, inst);
2270 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2274 bb->code = ins_to_insert;
2276 /* Link with next */
2277 ins_to_insert->next = ins;
2279 ins->prev = ins_to_insert;
2281 if (bb->last_ins == NULL)
2282 bb->last_ins = ins_to_insert;
2284 /* Link with next */
2285 ins_to_insert->next = ins->next;
2287 ins->next->prev = ins_to_insert;
2289 /* Link with previous */
2290 ins->next = ins_to_insert;
2291 ins_to_insert->prev = ins;
2293 if (bb->last_ins == ins)
2294 bb->last_ins = ins_to_insert;
2299 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2304 ins->prev = ins_to_insert;
2305 bb->code = ins_to_insert;
2306 ins_to_insert->next = ins;
2307 if (bb->last_ins == NULL)
2308 bb->last_ins = ins_to_insert;
2310 /* Link with previous */
2312 ins->prev->next = ins_to_insert;
2313 ins_to_insert->prev = ins->prev;
2315 /* Link with next */
2316 ins->prev = ins_to_insert;
2317 ins_to_insert->next = ins;
2319 if (bb->code == ins)
2320 bb->code = ins_to_insert;
2325 * mono_verify_bblock:
2327 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2330 mono_verify_bblock (MonoBasicBlock *bb)
2332 MonoInst *ins, *prev;
2335 for (ins = bb->code; ins; ins = ins->next) {
2336 g_assert (ins->prev == prev);
2340 g_assert (!bb->last_ins->next);
2346 * Perform consistency checks on the JIT data structures and the IR
2349 mono_verify_cfg (MonoCompile *cfg)
2353 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2354 mono_verify_bblock (bb);
2358 mono_destroy_compile (MonoCompile *cfg)
2363 mono_metadata_free_mh (cfg->header);
2364 //mono_mempool_stats (cfg->mempool);
2365 mono_free_loop_info (cfg);
2367 mono_regstate_free (cfg->rs);
2369 g_hash_table_destroy (cfg->spvars);
2371 g_hash_table_destroy (cfg->exvars);
2372 for (l = cfg->headers_to_free; l; l = l->next)
2373 mono_metadata_free_mh (l->data);
2374 g_list_free (cfg->ldstr_list);
2375 g_hash_table_destroy (cfg->token_info_hash);
2376 if (cfg->abs_patches)
2377 g_hash_table_destroy (cfg->abs_patches);
2378 mono_mempool_destroy (cfg->mempool);
2380 mono_debug_free_method (cfg);
2382 g_free (cfg->varinfo);
2384 g_free (cfg->exception_message);
2388 #ifdef MINI_HAVE_FAST_TLS
2389 MINI_FAST_TLS_DECLARE(mono_lmf_addr);
2390 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2392 * When this is defined, the current lmf is stored in this tls variable instead of in
2395 MINI_FAST_TLS_DECLARE(mono_lmf);
2400 mono_get_jit_tls_key (void)
2402 return mono_jit_tls_id;
2406 mono_get_jit_tls_offset (void)
2408 #ifdef MINI_HAVE_FAST_TLS
2410 MINI_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2418 mono_get_lmf_tls_offset (void)
2420 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2422 MINI_THREAD_VAR_OFFSET(mono_lmf,offset);
2430 mono_get_lmf_addr_tls_offset (void)
2433 MINI_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2440 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2441 return MINI_FAST_TLS_GET (mono_lmf);
2443 MonoJitTlsData *jit_tls;
2445 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2446 return jit_tls->lmf;
2448 g_assert_not_reached ();
2454 mono_get_lmf_addr (void)
2456 #ifdef MINI_HAVE_FAST_TLS
2457 return MINI_FAST_TLS_GET (mono_lmf_addr);
2459 MonoJitTlsData *jit_tls;
2461 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2462 return &jit_tls->lmf;
2465 * When resolving the call to mono_jit_thread_attach full-aot will look
2466 * in the plt, which causes a call into the generic trampoline, which in turn
2467 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2468 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2469 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2472 mono_jit_thread_attach (NULL);
2474 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2475 return &jit_tls->lmf;
2477 g_assert_not_reached ();
2483 mono_set_lmf (MonoLMF *lmf)
2485 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2486 MINI_FAST_TLS_SET (mono_lmf, lmf);
2489 (*mono_get_lmf_addr ()) = lmf;
2493 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2495 TlsSetValue (mono_jit_tls_id, jit_tls);
2497 #ifdef MINI_HAVE_FAST_TLS
2498 MINI_FAST_TLS_SET (mono_jit_tls, jit_tls);
2503 mono_set_lmf_addr (gpointer lmf_addr)
2505 #ifdef MINI_HAVE_FAST_TLS
2506 MINI_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2510 /* Called by native->managed wrappers */
2512 mono_jit_thread_attach (MonoDomain *domain)
2516 * Happens when called from AOTed code which is only used in the root
2519 domain = mono_get_root_domain ();
2521 #ifdef MINI_HAVE_FAST_TLS
2522 if (!MINI_FAST_TLS_GET (mono_lmf_addr)) {
2523 mono_thread_attach (domain);
2526 if (!TlsGetValue (mono_jit_tls_id))
2527 mono_thread_attach (domain);
2529 if (mono_domain_get () != domain)
2530 mono_domain_set (domain, TRUE);
2534 * mono_thread_abort:
2535 * @obj: exception object
2537 * abort the thread, print exception information and stack trace
2540 mono_thread_abort (MonoObject *obj)
2542 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2544 /* handle_remove should be eventually called for this thread, too
2547 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2548 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2549 mono_thread_exit ();
2551 exit (mono_environment_exitcode_get ());
2556 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2558 MonoJitTlsData *jit_tls;
2561 jit_tls = TlsGetValue (mono_jit_tls_id);
2565 jit_tls = g_new0 (MonoJitTlsData, 1);
2567 jit_tls->abort_func = abort_func;
2568 jit_tls->end_of_stack = stack_start;
2570 mono_set_jit_tls (jit_tls);
2572 lmf = g_new0 (MonoLMF, 1);
2573 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2575 jit_tls->first_lmf = lmf;
2577 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2578 /* jit_tls->lmf is unused */
2579 MINI_FAST_TLS_SET (mono_lmf, lmf);
2580 mono_set_lmf_addr (&mono_lmf);
2582 mono_set_lmf_addr (&jit_tls->lmf);
2587 mono_arch_setup_jit_tls_data (jit_tls);
2588 mono_setup_altstack (jit_tls);
2594 free_jit_tls_data (MonoJitTlsData *jit_tls)
2596 mono_arch_free_jit_tls_data (jit_tls);
2597 mono_free_altstack (jit_tls);
2599 g_free (jit_tls->first_lmf);
2604 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2606 MonoInternalThread *thread;
2607 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2608 thread = mono_thread_internal_current ();
2609 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2611 thread->jit_data = jit_tls;
2613 mono_arch_cpu_init ();
2616 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2619 mono_thread_abort_dummy (MonoObject *obj)
2621 if (mono_thread_attach_aborted_cb)
2622 mono_thread_attach_aborted_cb (obj);
2624 mono_thread_abort (obj);
2628 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2630 MonoInternalThread *thread;
2631 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2632 thread = mono_thread_internal_current ();
2633 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2635 thread->jit_data = jit_tls;
2636 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2637 mono_runtime_setup_stat_profiler ();
2639 mono_arch_cpu_init ();
2643 mini_thread_cleanup (MonoInternalThread *thread)
2645 MonoJitTlsData *jit_tls = thread->jit_data;
2648 mono_debugger_thread_cleanup (jit_tls);
2650 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2651 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2652 * not a trivial thing.
2654 * The current offender is mono_thread_manage which cleanup threads from the outside.
2656 if (thread == mono_thread_internal_current ()) {
2657 mono_set_lmf (NULL);
2658 mono_set_jit_tls (NULL);
2659 mono_set_lmf_addr (NULL);
2662 free_jit_tls_data (jit_tls);
2664 thread->jit_data = NULL;
2669 mono_create_tls_get (MonoCompile *cfg, int offset)
2671 #ifdef MONO_ARCH_HAVE_TLS_GET
2672 if (MONO_ARCH_HAVE_TLS_GET) {
2678 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2679 ins->dreg = mono_alloc_preg (cfg);
2680 ins->inst_offset = offset;
2688 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2690 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2694 mono_get_domain_intrinsic (MonoCompile* cfg)
2696 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2700 mono_get_thread_intrinsic (MonoCompile* cfg)
2702 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2706 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2708 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2712 ji->data.target = target;
2713 ji->next = cfg->patch_info;
2715 cfg->patch_info = ji;
2719 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2721 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2725 ji->data.target = target;
2732 mono_remove_patch_info (MonoCompile *cfg, int ip)
2734 MonoJumpInfo **ji = &cfg->patch_info;
2737 if ((*ji)->ip.i == ip)
2740 ji = &((*ji)->next);
2745 * mono_patch_info_dup_mp:
2747 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2750 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2752 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2753 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2755 switch (patch_info->type) {
2756 case MONO_PATCH_INFO_RVA:
2757 case MONO_PATCH_INFO_LDSTR:
2758 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2759 case MONO_PATCH_INFO_LDTOKEN:
2760 case MONO_PATCH_INFO_DECLSEC:
2761 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2762 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2764 case MONO_PATCH_INFO_SWITCH:
2765 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2766 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2767 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2768 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2770 case MONO_PATCH_INFO_RGCTX_FETCH:
2771 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2772 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2773 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2783 mono_patch_info_hash (gconstpointer data)
2785 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2788 case MONO_PATCH_INFO_RVA:
2789 case MONO_PATCH_INFO_LDSTR:
2790 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2791 case MONO_PATCH_INFO_LDTOKEN:
2792 case MONO_PATCH_INFO_DECLSEC:
2793 return (ji->type << 8) | ji->data.token->token;
2794 case MONO_PATCH_INFO_INTERNAL_METHOD:
2795 return (ji->type << 8) | g_str_hash (ji->data.name);
2796 case MONO_PATCH_INFO_VTABLE:
2797 case MONO_PATCH_INFO_CLASS:
2798 case MONO_PATCH_INFO_IID:
2799 case MONO_PATCH_INFO_ADJUSTED_IID:
2800 case MONO_PATCH_INFO_CLASS_INIT:
2801 case MONO_PATCH_INFO_METHODCONST:
2802 case MONO_PATCH_INFO_METHOD:
2803 case MONO_PATCH_INFO_METHOD_JUMP:
2804 case MONO_PATCH_INFO_IMAGE:
2805 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2806 case MONO_PATCH_INFO_FIELD:
2807 case MONO_PATCH_INFO_SFLDA:
2808 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2809 return (ji->type << 8) | (gssize)ji->data.target;
2811 return (ji->type << 8);
2816 * mono_patch_info_equal:
2818 * This might fail to recognize equivalent patches, i.e. floats, so its only
2819 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2823 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2825 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2826 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2828 if (ji1->type != ji2->type)
2831 switch (ji1->type) {
2832 case MONO_PATCH_INFO_RVA:
2833 case MONO_PATCH_INFO_LDSTR:
2834 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2835 case MONO_PATCH_INFO_LDTOKEN:
2836 case MONO_PATCH_INFO_DECLSEC:
2837 if ((ji1->data.token->image != ji2->data.token->image) ||
2838 (ji1->data.token->token != ji2->data.token->token) ||
2839 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2840 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2841 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2844 case MONO_PATCH_INFO_INTERNAL_METHOD:
2845 return g_str_equal (ji1->data.name, ji2->data.name);
2847 case MONO_PATCH_INFO_RGCTX_FETCH: {
2848 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2849 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2851 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);
2854 if (ji1->data.target != ji2->data.target)
2863 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2865 unsigned char *ip = patch_info->ip.i + code;
2866 gconstpointer target = NULL;
2868 switch (patch_info->type) {
2869 case MONO_PATCH_INFO_BB:
2871 * FIXME: This could be hit for methods without a prolog. Should use -1
2872 * but too much code depends on a 0 initial value.
2874 //g_assert (patch_info->data.bb->native_offset);
2875 target = patch_info->data.bb->native_offset + code;
2877 case MONO_PATCH_INFO_ABS:
2878 target = patch_info->data.target;
2880 case MONO_PATCH_INFO_LABEL:
2881 target = patch_info->data.inst->inst_c0 + code;
2883 case MONO_PATCH_INFO_IP:
2884 #if defined(__native_client__) && defined(__native_client_codegen__)
2885 /* Need to transform to the destination address, it's */
2886 /* emitted as an immediate in the code. */
2887 target = nacl_inverse_modify_patch_target(ip);
2892 case MONO_PATCH_INFO_METHOD_REL:
2893 target = code + patch_info->data.offset;
2895 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2896 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2898 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2899 g_assert_not_reached ();
2901 target = mono_icall_get_wrapper (mi);
2904 case MONO_PATCH_INFO_METHOD_JUMP:
2905 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2906 #if defined(__native_client__) && defined(__native_client_codegen__)
2907 #if defined(TARGET_AMD64)
2908 /* This target is an absolute address, not relative to the */
2909 /* current code being emitted on AMD64. */
2910 target = nacl_inverse_modify_patch_target(target);
2914 case MONO_PATCH_INFO_METHOD:
2915 if (patch_info->data.method == method) {
2918 /* get the trampoline to the method from the domain */
2919 target = mono_create_jit_trampoline (patch_info->data.method);
2922 case MONO_PATCH_INFO_SWITCH: {
2923 gpointer *jump_table;
2926 #if defined(__native_client__) && defined(__native_client_codegen__)
2927 /* This memory will leak, but we don't care if we're */
2928 /* not deleting JIT'd methods anyway */
2929 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
2931 if (method && method->dynamic) {
2932 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2934 if (mono_aot_only) {
2935 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2937 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2942 for (i = 0; i < patch_info->data.table->table_size; i++) {
2943 #if defined(__native_client__) && defined(__native_client_codegen__)
2944 /* 'code' is relative to the current code blob, we */
2945 /* need to do this transform on it to make the */
2946 /* pointers in this table absolute */
2947 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2949 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2953 #if defined(__native_client__) && defined(__native_client_codegen__)
2954 /* jump_table is in the data section, we need to transform */
2955 /* it here so when it gets modified in amd64_patch it will */
2956 /* then point back to the absolute data address */
2957 target = nacl_inverse_modify_patch_target (jump_table);
2959 target = jump_table;
2963 case MONO_PATCH_INFO_METHODCONST:
2964 case MONO_PATCH_INFO_CLASS:
2965 case MONO_PATCH_INFO_IMAGE:
2966 case MONO_PATCH_INFO_FIELD:
2967 target = patch_info->data.target;
2969 case MONO_PATCH_INFO_IID:
2970 mono_class_init (patch_info->data.klass);
2971 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
2973 case MONO_PATCH_INFO_ADJUSTED_IID:
2974 mono_class_init (patch_info->data.klass);
2975 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
2977 case MONO_PATCH_INFO_VTABLE:
2978 target = mono_class_vtable (domain, patch_info->data.klass);
2981 case MONO_PATCH_INFO_CLASS_INIT: {
2982 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
2985 target = mono_create_class_init_trampoline (vtable);
2988 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
2989 target = mono_create_delegate_trampoline (patch_info->data.klass);
2991 case MONO_PATCH_INFO_SFLDA: {
2992 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
2994 if (mono_class_field_is_special_static (patch_info->data.field)) {
2995 gpointer addr = NULL;
2997 mono_domain_lock (domain);
2998 if (domain->special_static_fields)
2999 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3000 mono_domain_unlock (domain);
3006 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3007 /* Done by the generated code */
3011 mono_runtime_class_init (vtable);
3013 target = (char*)vtable->data + patch_info->data.field->offset;
3016 case MONO_PATCH_INFO_RVA: {
3017 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3020 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3021 target = mono_image_rva_map (patch_info->data.token->image, rva);
3024 case MONO_PATCH_INFO_R4:
3025 case MONO_PATCH_INFO_R8:
3026 target = patch_info->data.target;
3028 case MONO_PATCH_INFO_EXC_NAME:
3029 target = patch_info->data.name;
3031 case MONO_PATCH_INFO_LDSTR:
3033 mono_ldstr (domain, patch_info->data.token->image,
3034 mono_metadata_token_index (patch_info->data.token->token));
3036 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3038 MonoClass *handle_class;
3040 handle = mono_ldtoken (patch_info->data.token->image,
3041 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3042 mono_class_init (handle_class);
3043 mono_class_init (mono_class_from_mono_type (handle));
3046 mono_type_get_object (domain, handle);
3049 case MONO_PATCH_INFO_LDTOKEN: {
3051 MonoClass *handle_class;
3053 handle = mono_ldtoken (patch_info->data.token->image,
3054 patch_info->data.token->token, &handle_class, NULL);
3055 mono_class_init (handle_class);
3060 case MONO_PATCH_INFO_DECLSEC:
3061 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3063 case MONO_PATCH_INFO_ICALL_ADDR:
3064 /* run_cctors == 0 -> AOT */
3065 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3067 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
3069 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));
3074 target = mono_lookup_internal_call (patch_info->data.method);
3076 if (!target && run_cctors)
3077 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3080 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3081 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3083 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3084 g_assert_not_reached ();
3089 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3090 target = mono_thread_interruption_request_flag ();
3092 case MONO_PATCH_INFO_METHOD_RGCTX: {
3093 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3096 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3099 case MONO_PATCH_INFO_BB_OVF:
3100 case MONO_PATCH_INFO_EXC_OVF:
3101 case MONO_PATCH_INFO_GOT_OFFSET:
3102 case MONO_PATCH_INFO_NONE:
3104 case MONO_PATCH_INFO_RGCTX_FETCH: {
3105 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3108 switch (entry->data->type) {
3109 case MONO_PATCH_INFO_CLASS:
3110 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method));
3112 case MONO_PATCH_INFO_METHOD:
3113 case MONO_PATCH_INFO_METHODCONST:
3114 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method));
3116 case MONO_PATCH_INFO_FIELD:
3117 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method));
3120 g_assert_not_reached ();
3124 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3127 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3128 target = mono_create_generic_class_init_trampoline ();
3130 case MONO_PATCH_INFO_MONITOR_ENTER:
3131 target = mono_create_monitor_enter_trampoline ();
3133 case MONO_PATCH_INFO_MONITOR_EXIT:
3134 target = mono_create_monitor_exit_trampoline ();
3136 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3137 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3139 /* AOT, not needed */
3142 target = mono_arch_get_seq_point_info (domain, code);
3145 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3146 #ifdef MONO_ARCH_LLVM_SUPPORTED
3147 g_assert (mono_use_llvm);
3148 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3150 g_assert_not_reached ();
3153 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3154 int card_table_shift_bits;
3155 gpointer card_table_mask;
3157 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3161 g_assert_not_reached ();
3164 return (gpointer)target;
3168 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3170 ins->inst_offset = native_offset;
3171 g_ptr_array_add (cfg->seq_points, ins);
3172 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3173 bb->last_seq_point = ins;
3179 mono_compile_create_vars (MonoCompile *cfg)
3181 MonoMethodSignature *sig;
3182 MonoMethodHeader *header;
3185 header = cfg->header;
3187 sig = mono_method_signature (cfg->method);
3189 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3190 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3191 /* Inhibit optimizations */
3192 cfg->ret->flags |= MONO_INST_VOLATILE;
3194 if (cfg->verbose_level > 2)
3195 g_print ("creating vars\n");
3197 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3200 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3202 for (i = 0; i < sig->param_count; ++i) {
3203 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3206 if (cfg->verbose_level > 2) {
3208 printf ("\treturn : ");
3209 mono_print_ins (cfg->ret);
3213 printf ("\tthis: ");
3214 mono_print_ins (cfg->args [0]);
3217 for (i = 0; i < sig->param_count; ++i) {
3218 printf ("\targ [%d]: ", i);
3219 mono_print_ins (cfg->args [i + sig->hasthis]);
3223 cfg->locals_start = cfg->num_varinfo;
3224 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3226 if (cfg->verbose_level > 2)
3227 g_print ("creating locals\n");
3229 for (i = 0; i < header->num_locals; ++i)
3230 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3232 if (cfg->verbose_level > 2)
3233 g_print ("locals done\n");
3235 mono_arch_create_vars (cfg);
3238 #endif /* #ifndef DISABLE_JIT */
3241 mono_print_code (MonoCompile *cfg, const char* msg)
3245 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3246 mono_print_bb (bb, msg);
3252 mono_postprocess_patches (MonoCompile *cfg)
3254 MonoJumpInfo *patch_info;
3257 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3258 switch (patch_info->type) {
3259 case MONO_PATCH_INFO_ABS: {
3260 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3263 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3267 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3268 // FIXME: CLEAN UP THIS MESS.
3269 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
3270 strstr (cfg->method->name, info->name)) {
3272 * This is an icall wrapper, and this is a call to the
3275 if (cfg->compile_aot) {
3276 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
3277 patch_info->data.name = info->name;
3280 /* for these array methods we currently register the same function pointer
3281 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3282 * will return the incorrect one depending on the order they are registered.
3283 * See tests/test-arr.cs
3285 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3286 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3287 patch_info->data.name = info->name;
3292 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3293 if (cfg->abs_patches) {
3294 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3296 patch_info->type = abs_ji->type;
3297 patch_info->data.target = abs_ji->data.target;
3304 case MONO_PATCH_INFO_SWITCH: {
3306 #if defined(__native_client__) && defined(__native_client_codegen__)
3307 /* This memory will leak. */
3308 /* TODO: can we free this when */
3309 /* making the final jump table? */
3310 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3312 if (cfg->method->dynamic) {
3313 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3315 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3319 for (i = 0; i < patch_info->data.table->table_size; i++) {
3320 /* Might be NULL if the switch is eliminated */
3321 if (patch_info->data.table->table [i]) {
3322 g_assert (patch_info->data.table->table [i]->native_offset);
3323 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3328 patch_info->data.table->table = (MonoBasicBlock**)table;
3331 case MONO_PATCH_INFO_METHOD_JUMP: {
3333 MonoDomain *domain = cfg->domain;
3334 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3335 #if defined(__native_client__) && defined(__native_client_codegen__)
3336 /* When this jump target gets evaluated, the method */
3337 /* will be installed in the dynamic code section, */
3338 /* not at the location of cfg->native_code. */
3339 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3342 mono_domain_lock (domain);
3343 if (!domain_jit_info (domain)->jump_target_hash)
3344 domain_jit_info (domain)->jump_target_hash = g_hash_table_new (NULL, NULL);
3345 list = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3346 list = g_slist_prepend (list, ip);
3347 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, list);
3348 mono_domain_unlock (domain);
3359 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3362 MonoBasicBlock *in_bb;
3364 for (i = 0; i < bb->in_count; ++i) {
3365 in_bb = bb->in_bb [i];
3367 if (in_bb->last_seq_point) {
3368 next [in_bb->last_seq_point->backend.size] = g_slist_append (next [in_bb->last_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3370 /* Have to look at its predecessors */
3372 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3378 mono_save_seq_point_info (MonoCompile *cfg)
3381 GSList *bb_seq_points, *l;
3383 MonoDomain *domain = cfg->domain;
3385 MonoSeqPointInfo *info;
3388 if (!cfg->seq_points)
3391 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3392 info->len = cfg->seq_points->len;
3393 for (i = 0; i < cfg->seq_points->len; ++i) {
3394 SeqPoint *sp = &info->seq_points [i];
3395 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3397 sp->il_offset = ins->inst_imm;
3398 sp->native_offset = ins->inst_offset;
3401 ins->backend.size = i;
3405 * For each sequence point, compute the list of sequence points immediately
3406 * following it, this is needed to implement 'step over' in the debugger agent.
3408 next = g_new0 (GSList*, cfg->seq_points->len);
3409 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3410 bb_seq_points = g_slist_reverse (bb->seq_points);
3412 for (l = bb_seq_points; l; l = l->next) {
3413 MonoInst *ins = l->data;
3415 if (!(ins->flags & MONO_INST_SINGLE_STEP_LOC))
3419 /* Link with the previous seq point in the same bb */
3420 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3422 /* Link with the last bb in the previous bblocks */
3423 collect_pred_seq_points (bb, ins, next, 0);
3430 if (cfg->verbose_level > 2) {
3431 printf ("\nSEQ POINT MAP: \n");
3434 for (i = 0; i < cfg->seq_points->len; ++i) {
3435 SeqPoint *sp = &info->seq_points [i];
3439 sp->next_len = g_slist_length (next [i]);
3440 sp->next = g_new (int, sp->next_len);
3442 if (cfg->verbose_level > 2 && next [i]) {
3443 printf ("\t0x%x ->", sp->il_offset);
3444 for (l = next [i]; l; l = l->next) {
3445 next_index = GPOINTER_TO_UINT (l->data);
3446 printf (" 0x%x", info->seq_points [next_index].il_offset);
3450 for (l = next [i]; l; l = l->next) {
3451 next_index = GPOINTER_TO_UINT (l->data);
3452 sp->next [j ++] = next_index;
3454 g_slist_free (next [i]);
3458 cfg->seq_point_info = info;
3460 // FIXME: dynamic methods
3461 if (!cfg->compile_aot) {
3462 mono_domain_lock (domain);
3463 // FIXME: How can the lookup succeed ?
3464 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3465 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3466 mono_domain_unlock (domain);
3469 g_ptr_array_free (cfg->seq_points, TRUE);
3470 cfg->seq_points = NULL;
3474 mono_codegen (MonoCompile *cfg)
3477 int max_epilog_size;
3480 #if defined(__native_client_codegen__) && defined(__native_client__)
3483 /* This keeps patch targets from being transformed during
3484 * ordinary method compilation, for local branches and jumps.
3486 nacl_allow_target_modification (FALSE);
3489 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3490 cfg->spill_count = 0;
3491 /* we reuse dfn here */
3492 /* bb->dfn = bb_count++; */
3494 mono_arch_lowering_pass (cfg, bb);
3496 if (cfg->opt & MONO_OPT_PEEPHOLE)
3497 mono_arch_peephole_pass_1 (cfg, bb);
3500 mono_local_regalloc (cfg, bb);
3502 if (cfg->opt & MONO_OPT_PEEPHOLE)
3503 mono_arch_peephole_pass_2 (cfg, bb);
3506 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3507 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3509 code = mono_arch_emit_prolog (cfg);
3511 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3512 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3514 cfg->code_len = code - cfg->native_code;
3515 cfg->prolog_end = cfg->code_len;
3517 mono_debug_open_method (cfg);
3519 /* emit code all basic blocks */
3520 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3521 bb->native_offset = cfg->code_len;
3522 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3523 mono_arch_output_basic_block (cfg, bb);
3524 bb->native_length = cfg->code_len - bb->native_offset;
3526 if (bb == cfg->bb_exit) {
3527 cfg->epilog_begin = cfg->code_len;
3529 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3530 code = cfg->native_code + cfg->code_len;
3531 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3532 cfg->code_len = code - cfg->native_code;
3533 g_assert (cfg->code_len < cfg->code_size);
3536 mono_arch_emit_epilog (cfg);
3540 #ifdef __native_client_codegen__
3541 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3543 mono_arch_emit_exceptions (cfg);
3545 max_epilog_size = 0;
3547 code = cfg->native_code + cfg->code_len;
3549 /* we always allocate code in cfg->domain->code_mp to increase locality */
3550 cfg->code_size = cfg->code_len + max_epilog_size;
3551 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3553 if (cfg->method->dynamic) {
3554 guint unwindlen = 0;
3555 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3556 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3558 /* Allocate the code into a separate memory pool so it can be freed */
3559 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3560 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3561 mono_domain_lock (cfg->domain);
3562 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3563 mono_domain_unlock (cfg->domain);
3565 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3567 guint unwindlen = 0;
3568 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3569 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3571 code = mono_domain_code_reserve (cfg->domain, cfg->code_size + unwindlen);
3573 #if defined(__native_client_codegen__) && defined(__native_client__)
3574 nacl_allow_target_modification (TRUE);
3577 memcpy (code, cfg->native_code, cfg->code_len);
3578 #if defined(__default_codegen__)
3579 g_free (cfg->native_code);
3580 #elif defined(__native_client_codegen__)
3581 if (cfg->native_code_alloc) {
3582 g_free (cfg->native_code_alloc);
3583 cfg->native_code_alloc = 0;
3585 else if (cfg->native_code) {
3586 g_free (cfg->native_code);
3588 #endif /* __native_client_codegen__ */
3589 cfg->native_code = code;
3590 code = cfg->native_code + cfg->code_len;
3592 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3593 mono_postprocess_patches (cfg);
3595 #ifdef VALGRIND_JIT_REGISTER_MAP
3596 if (valgrind_register){
3597 char* nm = mono_method_full_name (cfg->method, TRUE);
3598 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3603 if (cfg->verbose_level > 0) {
3604 char* nm = mono_method_full_name (cfg->method, TRUE);
3605 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3607 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3612 gboolean is_generic = FALSE;
3614 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3615 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3619 if (cfg->generic_sharing_context)
3620 g_assert (is_generic);
3623 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3624 mono_arch_save_unwind_info (cfg);
3627 #if defined(__native_client_codegen__) && defined(__native_client__)
3628 if (!cfg->compile_aot) {
3629 if (cfg->method->dynamic) {
3630 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
3632 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
3637 #if defined(__native_client_codegen__)
3638 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3641 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->run_cctors);
3643 if (cfg->method->dynamic) {
3644 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3646 mono_domain_code_commit (cfg->domain, cfg->native_code, cfg->code_size, cfg->code_len);
3648 #if defined(__native_client_codegen__) && defined(__native_client__)
3649 cfg->native_code = code_dest;
3651 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3653 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3655 mono_debug_close_method (cfg);
3657 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3658 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3663 compute_reachable (MonoBasicBlock *bb)
3667 if (!(bb->flags & BB_VISITED)) {
3668 bb->flags |= BB_VISITED;
3669 for (i = 0; i < bb->out_count; ++i)
3670 compute_reachable (bb->out_bb [i]);
3675 mono_handle_out_of_line_bblock (MonoCompile *cfg)
3678 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3679 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
3681 MONO_INST_NEW (cfg, ins, OP_BR);
3682 MONO_ADD_INS (bb, ins);
3683 ins->inst_target_bb = bb->next_bb;
3689 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3692 MonoMethodHeader *header;
3695 int generic_info_size;
3696 int holes_size = 0, num_holes = 0;
3698 g_assert (method_to_compile == cfg->method);
3699 header = cfg->header;
3701 if (cfg->generic_sharing_context)
3702 generic_info_size = sizeof (MonoGenericJitInfo);
3704 generic_info_size = 0;
3706 if (cfg->try_block_holes) {
3707 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3708 TryBlockHole *hole = tmp->data;
3709 MonoExceptionClause *ec = hole->clause;
3710 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
3711 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3712 g_assert (clause_last_bb);
3714 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3715 if (clause_last_bb->native_offset != hole_end)
3719 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
3720 if (G_UNLIKELY (cfg->verbose_level >= 4))
3721 printf ("Number of try block holes %d\n", num_holes);
3724 if (COMPILE_LLVM (cfg))
3725 num_clauses = cfg->llvm_ex_info_len;
3727 num_clauses = header->num_clauses;
3729 if (cfg->method->dynamic) {
3730 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
3731 generic_info_size + holes_size);
3733 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3734 (num_clauses * sizeof (MonoJitExceptionInfo)) +
3735 generic_info_size + holes_size);
3738 jinfo->method = cfg->method_to_register;
3739 jinfo->code_start = cfg->native_code;
3740 jinfo->code_size = cfg->code_len;
3741 jinfo->used_regs = cfg->used_int_regs;
3742 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3743 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3744 jinfo->num_clauses = num_clauses;
3745 if (COMPILE_LLVM (cfg))
3746 jinfo->from_llvm = TRUE;
3748 if (cfg->generic_sharing_context) {
3750 MonoGenericJitInfo *gi;
3752 jinfo->has_generic_jit_info = 1;
3754 gi = mono_jit_info_get_generic_jit_info (jinfo);
3757 gi->generic_sharing_context = cfg->generic_sharing_context;
3759 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3760 mini_method_get_context (method_to_compile)->method_inst ||
3761 method_to_compile->klass->valuetype) {
3762 g_assert (cfg->rgctx_var);
3767 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3768 mini_method_get_context (method_to_compile)->method_inst ||
3769 method_to_compile->klass->valuetype) {
3770 inst = cfg->rgctx_var;
3771 if (!COMPILE_LLVM (cfg))
3772 g_assert (inst->opcode == OP_REGOFFSET);
3774 inst = cfg->args [0];
3777 if (COMPILE_LLVM (cfg)) {
3778 g_assert (cfg->llvm_this_reg != -1);
3779 gi->this_in_reg = 0;
3780 gi->this_reg = cfg->llvm_this_reg;
3781 gi->this_offset = cfg->llvm_this_offset;
3782 } else if (inst->opcode == OP_REGVAR) {
3783 gi->this_in_reg = 1;
3784 gi->this_reg = inst->dreg;
3786 g_assert (inst->opcode == OP_REGOFFSET);
3788 g_assert (inst->inst_basereg == X86_EBP);
3789 #elif defined(TARGET_AMD64)
3790 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3792 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3794 gi->this_in_reg = 0;
3795 gi->this_reg = inst->inst_basereg;
3796 gi->this_offset = inst->inst_offset;
3801 MonoTryBlockHoleTableJitInfo *table;
3804 jinfo->has_try_block_holes = 1;
3805 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
3806 table->num_holes = (guint16)num_holes;
3808 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3809 guint32 start_bb_offset;
3810 MonoTryBlockHoleJitInfo *hole;
3811 TryBlockHole *hole_data = tmp->data;
3812 MonoExceptionClause *ec = hole_data->clause;
3813 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
3814 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3815 g_assert (clause_last_bb);
3817 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3818 if (clause_last_bb->native_offset == hole_end)
3821 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
3822 hole = &table->holes [i++];
3823 hole->clause = hole_data->clause - &header->clauses [0];
3824 hole->offset = (guint32)hole_data->start_offset;
3825 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
3827 if (G_UNLIKELY (cfg->verbose_level >= 4))
3828 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
3830 g_assert (i == num_holes);
3833 if (COMPILE_LLVM (cfg)) {
3835 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
3836 } else if (header->num_clauses) {
3839 for (i = 0; i < header->num_clauses; i++) {
3840 MonoExceptionClause *ec = &header->clauses [i];
3841 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3842 MonoBasicBlock *tblock;
3845 ei->flags = ec->flags;
3847 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3848 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3850 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3851 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3853 ei->data.filter = cfg->native_code + tblock->native_offset;
3855 ei->data.catch_class = ec->data.catch_class;
3858 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3860 g_assert (tblock->native_offset);
3861 ei->try_start = cfg->native_code + tblock->native_offset;
3862 if (tblock->extend_try_block) {
3864 * Extend the try block backwards to include parts of the previous call
3866 * FIXME: This is arch specific.
3868 ei->try_start = (guint8*)ei->try_start - 1;
3870 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3872 if (!tblock->native_offset) {
3874 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
3875 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
3876 if (bb && bb->native_offset) {
3882 ei->try_end = cfg->native_code + tblock->native_offset;
3883 g_assert (tblock->native_offset);
3884 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3886 ei->handler_start = cfg->native_code + tblock->native_offset;
3888 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3889 TryBlockHole *hole = tmp->data;
3890 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
3891 if (hole->clause == ec && hole_end == ei->try_end) {
3892 if (G_UNLIKELY (cfg->verbose_level >= 4))
3893 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
3895 ei->try_end = cfg->native_code + hole->start_offset;
3900 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
3902 if (ec->handler_offset + ec->handler_len < header->code_size) {
3903 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
3905 end_offset = tblock->native_offset;
3907 end_offset = cfg->epilog_begin;
3909 ei->data.handler_end = cfg->native_code + end_offset;
3914 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
3916 for (i = 0; i < jinfo->num_clauses; i++) {
3917 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3918 int start = (guint8*)ei->try_start - cfg->native_code;
3919 int end = (guint8*)ei->try_end - cfg->native_code;
3920 int handler = (guint8*)ei->handler_start - cfg->native_code;
3922 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
3927 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
3928 * using it during runtime, hence the define.
3930 #ifdef MONO_ARCH_HAVE_XP_UNWIND
3931 if (cfg->encoded_unwind_ops) {
3932 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
3933 g_free (cfg->encoded_unwind_ops);
3934 } else if (cfg->unwind_ops) {
3936 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
3938 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
3939 g_free (unwind_info);
3948 * mini_get_shared_method:
3950 * Return the method which is actually compiled/registered when doing generic sharing.
3953 mini_get_shared_method (MonoMethod *method)
3955 MonoGenericContext shared_context;
3956 MonoMethod *declaring_method, *res;
3958 gboolean partial = FALSE;
3960 if (method->is_generic || method->klass->generic_container)
3961 declaring_method = method;
3963 declaring_method = mono_method_get_declaring_generic_method (method);
3965 if (declaring_method->is_generic)
3966 shared_context = mono_method_get_generic_container (declaring_method)->context;
3968 shared_context = declaring_method->klass->generic_container->context;
3970 /* Handle partial sharing */
3971 if (method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE)) {
3972 MonoGenericContext *context = mono_method_get_context (method);
3973 MonoGenericInst *inst;
3974 MonoType **type_argv;
3977 * Create the shared context by replacing the ref type arguments with
3978 * type parameters, and keeping the rest.
3981 inst = context->class_inst;
3983 type_argv = g_new0 (MonoType*, inst->type_argc);
3984 for (i = 0; i < inst->type_argc; ++i) {
3985 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
3986 type_argv [i] = shared_context.class_inst->type_argv [i];
3988 type_argv [i] = inst->type_argv [i];
3991 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
3995 inst = context->method_inst;
3997 type_argv = g_new0 (MonoType*, inst->type_argc);
3998 for (i = 0; i < inst->type_argc; ++i) {
3999 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
4000 type_argv [i] = shared_context.method_inst->type_argv [i];
4002 type_argv [i] = inst->type_argv [i];
4005 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4010 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4012 /* The result should be an inflated method whose parent is not inflated */
4013 g_assert (!res->klass->is_inflated);
4020 * mini_method_compile:
4021 * @method: the method to compile
4022 * @opts: the optimization flags to use
4023 * @domain: the domain where the method will be compiled in
4024 * @run_cctors: whether we should run type ctors if possible
4025 * @compile_aot: whether this is an AOT compilation
4026 * @parts: debug flag
4028 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4029 * field in the returned struct to see if compilation succeded.
4032 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4034 MonoMethodHeader *header;
4035 MonoMethodSignature *sig;
4039 int dfn, i, code_size_ratio;
4040 gboolean deadce_has_run = FALSE;
4041 gboolean try_generic_shared, try_llvm = FALSE;
4042 MonoMethod *method_to_compile, *method_to_register;
4044 mono_jit_stats.methods_compiled++;
4045 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4046 mono_profiler_method_jit (method);
4047 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
4048 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4052 * We might get passed the original generic method definition or
4053 * instances with type parameters.
4054 * FIXME: Remove the method->klass->generic_class limitation.
4056 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4057 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl (method, TRUE)));
4059 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4060 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
4062 if (opts & MONO_OPT_GSHARED) {
4063 if (try_generic_shared)
4064 mono_stats.generics_sharable_methods++;
4065 else if (mono_method_is_generic_impl (method))
4066 mono_stats.generics_unsharable_methods++;
4070 try_llvm = mono_use_llvm;
4074 if (try_generic_shared) {
4075 method_to_compile = mini_get_shared_method (method);
4076 g_assert (method_to_compile);
4078 method_to_compile = method;
4081 cfg = g_new0 (MonoCompile, 1);
4082 cfg->method = method_to_compile;
4083 cfg->header = mono_method_get_header (cfg->method);
4084 cfg->mempool = mono_mempool_new ();
4086 cfg->prof_options = mono_profiler_get_events ();
4087 cfg->run_cctors = run_cctors;
4088 cfg->domain = domain;
4089 cfg->verbose_level = mini_verbose;
4090 cfg->compile_aot = compile_aot;
4091 cfg->skip_visibility = method->skip_visibility;
4092 cfg->orig_method = method;
4093 cfg->gen_seq_points = debug_options.gen_seq_points;
4094 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4095 if (try_generic_shared)
4096 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
4097 cfg->compile_llvm = try_llvm;
4098 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4100 if (cfg->gen_seq_points)
4101 cfg->seq_points = g_ptr_array_new ();
4103 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
4104 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4108 if (cfg->generic_sharing_context) {
4109 method_to_register = method_to_compile;
4111 g_assert (method == method_to_compile);
4112 method_to_register = method;
4114 cfg->method_to_register = method_to_register;
4116 mono_error_init (&err);
4117 sig = mono_method_signature_checked (cfg->method, &err);
4119 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4120 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4121 mono_error_cleanup (&err);
4122 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4123 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4127 header = cfg->header;
4129 MonoLoaderError *error;
4131 if ((error = mono_loader_get_last_error ())) {
4132 cfg->exception_type = error->exception_type;
4134 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4135 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4137 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4138 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4144 static gboolean inited;
4151 * Check for methods which cannot be compiled by LLVM early, to avoid
4152 * the extra compilation pass.
4154 if (COMPILE_LLVM (cfg)) {
4155 mono_llvm_check_method_supported (cfg);
4156 if (cfg->disable_llvm) {
4157 if (cfg->verbose_level >= 1) {
4158 //nm = mono_method_full_name (cfg->method, TRUE);
4159 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4162 mono_destroy_compile (cfg);
4164 goto restart_compile;
4170 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4171 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4172 cfg->disable_reuse_registers = TRUE;
4173 cfg->disable_reuse_stack_slots = TRUE;
4175 * This decreases the change the debugger will read registers/stack slots which are
4176 * not yet initialized.
4178 cfg->disable_initlocals_opt = TRUE;
4180 cfg->extend_live_ranges = TRUE;
4182 /* Temporarily disable this when running in the debugger until we have support
4183 * for this in the debugger. */
4184 cfg->disable_omit_fp = TRUE;
4186 /* The debugger needs all locals to be on the stack or in a global register */
4187 cfg->disable_vreg_to_lvreg = TRUE;
4189 /* Don't remove unused variables when running inside the debugger since the user
4190 * may still want to view them. */
4191 cfg->disable_deadce_vars = TRUE;
4193 // cfg->opt |= MONO_OPT_SHARED;
4194 cfg->opt &= ~MONO_OPT_DEADCE;
4195 cfg->opt &= ~MONO_OPT_INLINE;
4196 cfg->opt &= ~MONO_OPT_COPYPROP;
4197 cfg->opt &= ~MONO_OPT_CONSPROP;
4198 cfg->opt &= ~MONO_OPT_GSHARED;
4200 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4201 cfg->disable_out_of_line_bblocks = TRUE;
4204 if (mono_using_xdebug) {
4206 * Make each variable use its own register/stack slot and extend
4207 * their liveness to cover the whole method, making them displayable
4208 * in gdb even after they are dead.
4210 cfg->disable_reuse_registers = TRUE;
4211 cfg->disable_reuse_stack_slots = TRUE;
4212 cfg->extend_live_ranges = TRUE;
4213 cfg->compute_precise_live_ranges = TRUE;
4216 mini_gc_init_cfg (cfg);
4218 if (COMPILE_LLVM (cfg)) {
4219 cfg->opt |= MONO_OPT_ABCREM;
4222 if (getenv ("MONO_VERBOSE_METHOD")) {
4223 char *name = getenv ("MONO_VERBOSE_METHOD");
4225 if ((strchr (name, '.') > name) || strchr (name, ':')) {
4226 MonoMethodDesc *desc;
4228 desc = mono_method_desc_new (name, TRUE);
4229 if (mono_method_desc_full_match (desc, cfg->method)) {
4230 cfg->verbose_level = 4;
4232 mono_method_desc_free (desc);
4234 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
4235 cfg->verbose_level = 4;
4239 ip = (guint8 *)header->code;
4241 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
4243 if (cfg->verbose_level > 0) {
4245 if (COMPILE_LLVM (cfg))
4246 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
4247 else if (cfg->generic_sharing_context)
4248 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4250 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
4251 g_free (method_name);
4254 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
4255 cfg->opt |= MONO_OPT_SSA;
4258 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")))
4259 cfg->globalra = TRUE;
4262 //cfg->globalra = TRUE;
4264 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
4265 // cfg->globalra = TRUE;
4268 static int count = 0;
4272 if (getenv ("COUNT2")) {
4273 cfg->globalra = TRUE;
4274 if (count == atoi (getenv ("COUNT2")))
4275 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
4276 if (count > atoi (getenv ("COUNT2")))
4277 cfg->globalra = FALSE;
4282 if (header->clauses)
4283 cfg->globalra = FALSE;
4285 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4286 /* The code in the prolog clobbers caller saved registers */
4287 cfg->globalra = FALSE;
4289 // FIXME: Disable globalra in case of tracing/profiling
4291 if (cfg->method->save_lmf)
4292 /* The LMF saving code might clobber caller saved registers */
4293 cfg->globalra = FALSE;
4295 if (header->code_size > 5000)
4297 /* Too large bblocks could overflow the ins positions */
4298 cfg->globalra = FALSE;
4300 cfg->rs = mono_regstate_new ();
4302 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4303 cfg->next_vreg = cfg->rs->next_vreg;
4305 /* FIXME: Fix SSA to handle branches inside bblocks */
4306 if (cfg->opt & MONO_OPT_SSA)
4307 cfg->enable_extended_bblocks = FALSE;
4310 * FIXME: This confuses liveness analysis because variables which are assigned after
4311 * a branch inside a bblock become part of the kill set, even though the assignment
4312 * might not get executed. This causes the optimize_initlocals pass to delete some
4313 * assignments which are needed.
4314 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4317 //cfg->enable_extended_bblocks = TRUE;
4319 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4320 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
4321 if (mini_get_debug_options ()->break_on_unverified)
4327 * create MonoInst* which represents arguments and local variables
4329 mono_compile_create_vars (cfg);
4331 /* SSAPRE is not supported on linear IR */
4332 cfg->opt &= ~MONO_OPT_SSAPRE;
4334 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4337 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4339 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4340 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4343 mono_destroy_compile (cfg);
4344 try_generic_shared = FALSE;
4345 goto restart_compile;
4347 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4349 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4350 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4351 /* cfg contains the details of the failure, so let the caller cleanup */
4355 mono_jit_stats.basic_blocks += cfg->num_bblocks;
4356 mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks);
4358 if (COMPILE_LLVM (cfg)) {
4361 /* The IR has to be in SSA form for LLVM */
4362 cfg->opt |= MONO_OPT_SSA;
4366 // Allow SSA on the result value
4367 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4369 // Add an explicit return instruction referencing the return value
4370 MONO_INST_NEW (cfg, ins, OP_SETRET);
4371 ins->sreg1 = cfg->ret->dreg;
4373 MONO_ADD_INS (cfg->bb_exit, ins);
4376 cfg->opt &= ~MONO_OPT_LINEARS;
4379 cfg->opt &= ~MONO_OPT_BRANCH;
4382 /* todo: remove code when we have verified that the liveness for try/catch blocks
4386 * Currently, this can't be commented out since exception blocks are not
4387 * processed during liveness analysis.
4388 * It is also needed, because otherwise the local optimization passes would
4389 * delete assignments in cases like this:
4391 * <something which throws>
4393 * This also allows SSA to be run on methods containing exception clauses, since
4394 * SSA will ignore variables marked VOLATILE.
4396 mono_liveness_handle_exception_clauses (cfg);
4398 mono_handle_out_of_line_bblock (cfg);
4400 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4402 if (!COMPILE_LLVM (cfg))
4403 mono_decompose_long_opts (cfg);
4405 /* Should be done before branch opts */
4406 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4407 mono_local_cprop (cfg);
4409 if (cfg->opt & MONO_OPT_BRANCH)
4410 mono_optimize_branches (cfg);
4412 /* This must be done _before_ global reg alloc and _after_ decompose */
4413 mono_handle_global_vregs (cfg);
4414 if (cfg->opt & MONO_OPT_DEADCE)
4415 mono_local_deadce (cfg);
4416 /* Disable this for LLVM to make the IR easier to handle */
4417 if (!COMPILE_LLVM (cfg))
4418 mono_if_conversion (cfg);
4420 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4421 mono_remove_critical_edges (cfg);
4423 /* Depth-first ordering on basic blocks */
4424 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4426 cfg->max_block_num = cfg->num_bblocks;
4429 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4430 if (cfg->num_bblocks != dfn + 1) {
4433 cfg->num_bblocks = dfn + 1;
4435 /* remove unreachable code, because the code in them may be
4436 * inconsistent (access to dead variables for example) */
4437 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4438 bb->flags &= ~BB_VISITED;
4439 compute_reachable (cfg->bb_entry);
4440 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4441 if (bb->flags & BB_EXCEPTION_HANDLER)
4442 compute_reachable (bb);
4443 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4444 if (!(bb->flags & BB_VISITED)) {
4445 if (cfg->verbose_level > 1)
4446 g_print ("found unreachable code in BB%d\n", bb->block_num);
4447 bb->code = bb->last_ins = NULL;
4448 while (bb->out_count)
4449 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
4452 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4453 bb->flags &= ~BB_VISITED;
4456 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
4458 * we disable some optimizations if there are too many variables
4459 * because JIT time may become too expensive. The actual number needs
4460 * to be tweaked and eventually the non-linear algorithms should be fixed.
4462 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
4463 cfg->disable_ssa = TRUE;
4466 if (cfg->opt & MONO_OPT_LOOP) {
4467 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
4468 mono_compute_natural_loops (cfg);
4471 /* after method_to_ir */
4473 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4474 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4479 if (header->num_clauses)
4480 cfg->disable_ssa = TRUE;
4483 //#define DEBUGSSA "logic_run"
4484 #define DEBUGSSA_CLASS "Tests"
4487 if (!cfg->disable_ssa) {
4488 mono_local_cprop (cfg);
4491 mono_ssa_compute (cfg);
4495 if (cfg->opt & MONO_OPT_SSA) {
4496 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
4498 mono_ssa_compute (cfg);
4501 if (cfg->verbose_level >= 2) {
4508 /* after SSA translation */
4510 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4511 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4515 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
4516 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4518 mono_ssa_cprop (cfg);
4524 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4525 //mono_ssa_strength_reduction (cfg);
4527 if (cfg->opt & MONO_OPT_SSAPRE) {
4528 mono_perform_ssapre (cfg);
4529 //mono_local_cprop (cfg);
4532 if (cfg->opt & MONO_OPT_DEADCE) {
4533 mono_ssa_deadce (cfg);
4534 deadce_has_run = TRUE;
4537 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4538 mono_perform_abc_removal (cfg);
4540 mono_ssa_remove (cfg);
4541 mono_local_cprop (cfg);
4542 mono_handle_global_vregs (cfg);
4543 if (cfg->opt & MONO_OPT_DEADCE)
4544 mono_local_deadce (cfg);
4546 if (cfg->opt & MONO_OPT_BRANCH) {
4549 mono_optimize_branches (cfg);
4551 /* Have to recompute cfg->bblocks and bb->dfn */
4552 if (cfg->globalra) {
4553 mono_remove_critical_edges (cfg);
4555 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4558 /* Depth-first ordering on basic blocks */
4559 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4562 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4563 cfg->num_bblocks = dfn + 1;
4569 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
4570 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
4571 if (cfg->opt & MONO_OPT_ABCREM)
4572 mono_perform_abc_removal (cfg);
4575 /* after SSA removal */
4577 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4578 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4582 #ifdef MONO_ARCH_SOFT_FLOAT
4583 if (!COMPILE_LLVM (cfg))
4584 mono_decompose_soft_float (cfg);
4586 if (!COMPILE_LLVM (cfg))
4587 mono_decompose_vtype_opts (cfg);
4588 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4589 mono_decompose_array_access_opts (cfg);
4592 #ifndef MONO_ARCH_GOT_REG
4597 g_assert (cfg->got_var_allocated);
4600 * Allways allocate the GOT var to a register, because keeping it
4601 * in memory will increase the number of live temporaries in some
4602 * code created by inssel.brg, leading to the well known spills+
4603 * branches problem. Testcase: mcs crash in
4604 * System.MonoCustomAttrs:GetCustomAttributes.
4606 #ifdef MONO_ARCH_GOT_REG
4607 got_reg = MONO_ARCH_GOT_REG;
4609 regs = mono_arch_get_global_int_regs (cfg);
4611 got_reg = GPOINTER_TO_INT (regs->data);
4614 cfg->got_var->opcode = OP_REGVAR;
4615 cfg->got_var->dreg = got_reg;
4616 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
4620 * Have to call this again to process variables added since the first call.
4622 mono_liveness_handle_exception_clauses (cfg);
4624 if (cfg->globalra) {
4627 /* Have to do this before regalloc since it can create vregs */
4628 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4629 mono_arch_lowering_pass (cfg, bb);
4631 mono_global_regalloc (cfg);
4634 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
4635 GList *vars, *regs, *l;
4637 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
4638 cfg->comp_done &= ~MONO_COMP_LIVENESS;
4639 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
4640 mono_analyze_liveness (cfg);
4642 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
4643 regs = mono_arch_get_global_int_regs (cfg);
4644 /* Remove the reg reserved for holding the GOT address */
4646 for (l = regs; l; l = l->next) {
4647 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
4648 regs = g_list_delete_link (regs, l);
4653 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
4657 //mono_print_code (cfg, "");
4661 /* variables are allocated after decompose, since decompose could create temps */
4662 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4663 mono_arch_allocate_vars (cfg);
4664 if (cfg->exception_type)
4670 gboolean need_local_opts;
4672 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4673 mono_spill_global_vars (cfg, &need_local_opts);
4675 if (need_local_opts || cfg->compile_aot) {
4676 /* To optimize code created by spill_global_vars */
4677 mono_local_cprop (cfg);
4678 if (cfg->opt & MONO_OPT_DEADCE)
4679 mono_local_deadce (cfg);
4683 /* Add branches between non-consecutive bblocks */
4684 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4685 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
4686 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
4687 /* we are careful when inverting, since bugs like #59580
4688 * could show up when dealing with NaNs.
4690 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
4691 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
4692 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
4693 bb->last_ins->inst_false_bb = tmp;
4695 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
4697 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
4698 inst->opcode = OP_BR;
4699 inst->inst_target_bb = bb->last_ins->inst_false_bb;
4700 mono_bblock_add_inst (bb, inst);
4705 if (cfg->verbose_level >= 4 && !cfg->globalra) {
4706 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4707 MonoInst *tree = bb->code;
4708 g_print ("DUMP BLOCK %d:\n", bb->block_num);
4711 for (; tree; tree = tree->next) {
4712 mono_print_ins_index (-1, tree);
4718 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4719 bb->max_vreg = cfg->next_vreg;
4723 if (COMPILE_LLVM (cfg)) {
4727 /* The IR has to be in SSA form for LLVM */
4728 if (!(cfg->comp_done & MONO_COMP_SSA)) {
4729 cfg->exception_message = g_strdup ("SSA disabled.");
4730 cfg->disable_llvm = TRUE;
4733 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4734 mono_decompose_array_access_opts (cfg);
4736 if (!cfg->disable_llvm)
4737 mono_llvm_emit_method (cfg);
4738 if (cfg->disable_llvm) {
4739 if (cfg->verbose_level >= 1) {
4740 //nm = mono_method_full_name (cfg->method, TRUE);
4741 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4744 mono_destroy_compile (cfg);
4746 goto restart_compile;
4749 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
4750 nm = mono_method_full_name (cfg->method, TRUE);
4751 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
4753 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4761 if (COMPILE_LLVM (cfg))
4762 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
4764 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
4766 if (cfg->verbose_level >= 2) {
4767 char *id = mono_method_full_name (cfg->method, FALSE);
4768 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
4772 cfg->jit_info = create_jit_info (cfg, method_to_compile);
4774 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
4775 if (cfg->extend_live_ranges) {
4776 /* Extend live ranges to cover the whole method */
4777 for (i = 0; i < cfg->num_varinfo; ++i)
4778 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
4782 if (!cfg->compile_aot)
4783 mono_save_xdebug_info (cfg);
4785 mini_gc_create_gc_map (cfg);
4787 mono_save_seq_point_info (cfg);
4789 if (!cfg->compile_aot) {
4790 mono_domain_lock (cfg->domain);
4791 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
4793 if (cfg->method->dynamic)
4794 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
4795 mono_domain_unlock (cfg->domain);
4798 /* collect statistics */
4799 mono_perfcounters->jit_methods++;
4800 mono_perfcounters->jit_bytes += header->code_size;
4801 mono_jit_stats.allocated_code_size += cfg->code_len;
4802 code_size_ratio = cfg->code_len;
4803 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
4804 mono_jit_stats.biggest_method_size = code_size_ratio;
4805 g_free (mono_jit_stats.biggest_method);
4806 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4808 code_size_ratio = (code_size_ratio * 100) / header->code_size;
4809 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
4810 mono_jit_stats.max_code_size_ratio = code_size_ratio;
4811 g_free (mono_jit_stats.max_ratio_method);
4812 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4814 mono_jit_stats.native_code_size += cfg->code_len;
4816 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4817 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4825 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4827 g_assert_not_reached ();
4831 #endif /* DISABLE_JIT */
4834 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
4836 static gboolean inited = FALSE;
4837 static int lookups = 0;
4838 static int failed_lookups = 0;
4841 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
4842 if (ji && !ji->has_generic_jit_info)
4846 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
4847 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
4859 * LOCKING: Assumes domain->jit_code_hash_lock is held.
4862 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
4864 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
4869 if (!mono_method_is_generic_sharable_impl (method, FALSE))
4871 return mono_domain_lookup_shared_generic (domain, method);
4875 lookup_method (MonoDomain *domain, MonoMethod *method)
4879 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
4880 mono_domain_jit_code_hash_lock (domain);
4881 info = lookup_method_inner (domain, method);
4882 mono_domain_jit_code_hash_unlock (domain);
4883 mono_loader_unlock ();
4889 static FILE* perf_map_file = NULL;
4892 mono_enable_jit_map (void)
4894 if (!perf_map_file) {
4896 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
4898 perf_map_file = fopen (name, "w");
4903 mono_emit_jit_tramp (void *start, int size, const char *desc)
4906 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
4910 mono_emit_jit_map (MonoJitInfo *jinfo)
4912 if (perf_map_file) {
4913 char *name = mono_method_full_name (jinfo->method, TRUE);
4914 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
4920 mono_jit_map_is_enabled (void)
4922 return perf_map_file != NULL;
4928 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
4931 gpointer code = NULL;
4932 MonoJitInfo *jinfo, *info;
4934 MonoException *ex = NULL;
4935 guint32 prof_options;
4937 MonoMethod *prof_method;
4939 #ifdef MONO_USE_AOT_COMPILER
4940 if (opt & MONO_OPT_AOT) {
4941 MonoDomain *domain = mono_domain_get ();
4943 mono_class_init (method->klass);
4945 if ((code = mono_aot_get_method (domain, method))) {
4946 vtable = mono_class_vtable (domain, method->klass);
4948 mono_runtime_class_init (vtable);
4955 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
4956 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
4958 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
4960 if (!piinfo->addr) {
4961 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
4962 piinfo->addr = mono_lookup_internal_call (method);
4963 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
4965 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);
4967 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);
4970 mono_lookup_pinvoke_call (method, NULL, NULL);
4972 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
4973 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
4974 jinfo = mono_jit_info_table_find (target_domain, code);
4976 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
4978 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
4981 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
4982 //mono_debug_add_wrapper (method, nm);
4983 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
4984 const char *name = method->name;
4985 char *full_name, *msg;
4988 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
4989 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
4990 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
4993 * We need to make sure this wrapper
4994 * is compiled because it might end up
4995 * in an (M)RGCTX if generic sharing
4996 * is enabled, and would be called
4997 * indirectly. If it were a
4998 * trampoline we'd try to patch that
4999 * indirect call, which is not
5002 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5003 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5004 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5005 return mono_create_delegate_trampoline (method->klass);
5007 nm = mono_marshal_get_delegate_invoke (method, NULL);
5008 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5010 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5011 nm = mono_marshal_get_delegate_begin_invoke (method);
5012 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5013 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5014 nm = mono_marshal_get_delegate_end_invoke (method);
5015 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5019 full_name = mono_method_full_name (method, TRUE);
5020 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5021 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5027 if (mono_aot_only) {
5028 char *fullname = mono_method_full_name (method, TRUE);
5029 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
5031 *jit_ex = mono_get_exception_execution_engine (msg);
5038 jit_timer = g_timer_new ();
5040 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5041 prof_method = cfg->method;
5043 g_timer_stop (jit_timer);
5044 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5045 g_timer_destroy (jit_timer);
5047 switch (cfg->exception_type) {
5048 case MONO_EXCEPTION_NONE:
5050 case MONO_EXCEPTION_TYPE_LOAD:
5051 case MONO_EXCEPTION_MISSING_FIELD:
5052 case MONO_EXCEPTION_MISSING_METHOD:
5053 case MONO_EXCEPTION_FILE_NOT_FOUND:
5054 case MONO_EXCEPTION_BAD_IMAGE: {
5055 /* Throw a type load exception if needed */
5056 MonoLoaderError *error = mono_loader_get_last_error ();
5059 ex = mono_loader_error_prepare_exception (error);
5061 if (cfg->exception_ptr) {
5062 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5064 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5065 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5066 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5067 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5068 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5069 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5070 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5071 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5072 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5073 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5075 g_assert_not_reached ();
5080 case MONO_EXCEPTION_INVALID_PROGRAM:
5081 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5083 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5084 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5086 case MONO_EXCEPTION_METHOD_ACCESS:
5087 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5089 case MONO_EXCEPTION_FIELD_ACCESS:
5090 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5092 /* this can only be set if the security manager is active */
5093 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5094 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5095 MonoObject *exc = NULL;
5098 args [0] = &cfg->exception_data;
5100 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5102 ex = (MonoException*)exc;
5105 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5106 MonoException *exp = cfg->exception_ptr;
5107 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5112 case MONO_EXCEPTION_OUT_OF_MEMORY:
5113 ex = mono_domain_get ()->out_of_memory_ex;
5116 g_assert_not_reached ();
5120 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5121 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5123 mono_destroy_compile (cfg);
5129 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5130 mono_domain_lock (target_domain);
5132 /* Check if some other thread already did the job. In this case, we can
5133 discard the code this thread generated. */
5135 mono_domain_jit_code_hash_lock (target_domain);
5137 info = lookup_method_inner (target_domain, method);
5139 /* We can't use a domain specific method in another domain */
5140 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5141 code = info->code_start;
5142 // printf("Discarding code for method %s\n", method->name);
5147 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
5148 mono_domain_jit_code_hash_unlock (target_domain);
5149 code = cfg->native_code;
5151 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
5152 mono_stats.generics_shared_methods++;
5154 mono_domain_jit_code_hash_unlock (target_domain);
5157 jinfo = cfg->jit_info;
5159 prof_options = cfg->prof_options;
5161 mono_destroy_compile (cfg);
5164 if (domain_jit_info (target_domain)->jump_target_hash) {
5165 MonoJumpInfo patch_info;
5167 list = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
5169 patch_info.next = NULL;
5170 patch_info.ip.i = 0;
5171 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
5172 patch_info.data.method = method;
5173 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
5175 for (tmp = list; tmp; tmp = tmp->next)
5176 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, TRUE);
5177 g_slist_free (list);
5180 mono_emit_jit_map (jinfo);
5182 mono_domain_unlock (target_domain);
5183 mono_loader_unlock ();
5185 vtable = mono_class_vtable (target_domain, method->klass);
5187 ex = mono_class_get_exception_for_failure (method->klass);
5193 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
5194 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
5195 if (mono_marshal_method_from_wrapper (method)) {
5196 /* Native func wrappers have no method */
5197 /* The profiler doesn't know about wrappers, so pass the original icall method */
5198 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
5201 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5202 if (prof_method != method) {
5203 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
5207 ex = mono_runtime_class_init_full (vtable, FALSE);
5216 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
5218 MonoDomain *target_domain, *domain = mono_domain_get ();
5221 MonoJitICallInfo *callinfo = NULL;
5224 * ICALL wrappers are handled specially, since there is only one copy of them
5225 * shared by all appdomains.
5227 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
5228 const char *icall_name;
5230 icall_name = method->name + strlen ("__icall_wrapper_");
5231 g_assert (icall_name);
5232 callinfo = mono_find_jit_icall_by_name (icall_name);
5233 g_assert (callinfo);
5235 /* Must be domain neutral since there is only one copy */
5236 opt |= MONO_OPT_SHARED;
5239 if (opt & MONO_OPT_SHARED)
5240 target_domain = mono_get_root_domain ();
5242 target_domain = domain;
5244 info = lookup_method (target_domain, method);
5246 /* We can't use a domain specific method in another domain */
5247 if (! ((domain != target_domain) && !info->domain_neutral)) {
5249 MonoException *tmpEx;
5251 mono_jit_stats.methods_lookups++;
5252 vtable = mono_class_vtable (domain, method->klass);
5254 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
5259 return mono_create_ftnptr (target_domain, info->code_start);
5263 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
5267 p = mono_create_ftnptr (target_domain, code);
5271 if (!callinfo->wrapper) {
5272 callinfo->wrapper = p;
5273 mono_register_jit_icall_wrapper (callinfo, p);
5274 mono_debug_add_icall_wrapper (method, callinfo);
5283 mono_jit_compile_method (MonoMethod *method)
5285 MonoException *ex = NULL;
5288 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
5291 mono_raise_exception (ex);
5297 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5299 invalidated_delegate_trampoline (char *desc)
5301 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
5302 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
5308 * mono_jit_free_method:
5310 * Free all memory allocated by the JIT for METHOD.
5313 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
5315 MonoJitDynamicMethodInfo *ji;
5316 gboolean destroy = TRUE;
5318 g_assert (method->dynamic);
5320 mono_domain_lock (domain);
5321 ji = mono_dynamic_code_hash_lookup (domain, method);
5322 mono_domain_unlock (domain);
5326 mono_domain_lock (domain);
5327 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
5328 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
5329 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
5330 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
5331 mono_domain_unlock (domain);
5333 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5334 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
5336 * Instead of freeing the code, change it to call an error routine
5337 * so people can fix their code.
5339 char *type = mono_type_full_name (&method->klass->byval_arg);
5340 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
5343 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
5349 * This needs to be done before freeing code_mp, since the code address is the
5350 * key in the table, so if we free the code_mp first, another thread can grab the
5351 * same code address and replace our entry in the table.
5353 mono_jit_info_table_remove (domain, ji->ji);
5356 mono_code_manager_destroy (ji->code_mp);
5361 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
5363 MonoDomain *target_domain;
5366 if (default_opt & MONO_OPT_SHARED)
5367 target_domain = mono_get_root_domain ();
5369 target_domain = domain;
5371 info = lookup_method (target_domain, method);
5373 /* We can't use a domain specific method in another domain */
5374 if (! ((domain != target_domain) && !info->domain_neutral)) {
5375 mono_jit_stats.methods_lookups++;
5378 return info->code_start;
5388 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
5390 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
5395 gpointer compiled_method;
5396 gpointer runtime_invoke;
5398 MonoDynCallInfo *dyn_call_info;
5399 MonoClass *ret_box_class;
5400 } RuntimeInvokeInfo;
5403 * mono_jit_runtime_invoke:
5404 * @method: the method to invoke
5405 * @obj: this pointer
5406 * @params: array of parameter values.
5407 * @exc: used to catch exceptions objects
5410 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
5413 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
5414 MonoDomain *domain = mono_domain_get ();
5415 MonoJitDomainInfo *domain_info;
5416 RuntimeInvokeInfo *info, *info2;
5418 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
5419 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
5423 domain_info = domain_jit_info (domain);
5425 mono_domain_lock (domain);
5426 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5427 mono_domain_unlock (domain);
5430 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
5432 * This might be redundant since mono_class_vtable () already does this,
5433 * but keep it just in case for moonlight.
5435 mono_class_setup_vtable (method->klass);
5436 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
5438 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
5440 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
5445 info = g_new0 (RuntimeInvokeInfo, 1);
5447 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5448 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
5449 g_assert (info->vtable);
5451 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5452 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5454 * Array Get/Set/Address methods. The JIT implements them using inline code
5455 * inside the runtime invoke wrappers, so no need to compile them.
5457 info->compiled_method = NULL;
5459 MonoException *jit_ex = NULL;
5461 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
5462 if (!info->compiled_method) {
5466 *exc = (MonoObject*)jit_ex;
5469 mono_raise_exception (jit_ex);
5473 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
5474 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
5478 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
5479 * in full-aot mode, so we use a slower, but more generic wrapper if
5480 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
5482 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5483 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
5484 MonoMethodSignature *sig = mono_method_signature (method);
5485 gboolean supported = TRUE;
5488 if (method->string_ctor)
5489 sig = mono_marshal_get_string_ctor_signature (method);
5491 for (i = 0; i < sig->param_count; ++i) {
5492 MonoType *t = sig->params [i];
5494 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
5498 if (method->klass->contextbound || !info->compiled_method)
5502 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
5504 if (info->dyn_call_info) {
5505 switch (sig->ret->type) {
5506 case MONO_TYPE_VOID:
5518 case MONO_TYPE_BOOLEAN:
5519 case MONO_TYPE_CHAR:
5522 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5525 info->ret_box_class = mono_defaults.int_class;
5527 case MONO_TYPE_STRING:
5528 case MONO_TYPE_CLASS:
5529 case MONO_TYPE_ARRAY:
5530 case MONO_TYPE_SZARRAY:
5531 case MONO_TYPE_OBJECT:
5533 case MONO_TYPE_GENERICINST:
5534 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
5535 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5537 case MONO_TYPE_VALUETYPE:
5538 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5541 g_assert_not_reached ();
5548 if (!info->dyn_call_info)
5549 info->runtime_invoke = mono_jit_compile_method (invoke);
5551 mono_domain_lock (domain);
5552 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5557 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
5559 mono_domain_unlock (domain);
5562 runtime_invoke = info->runtime_invoke;
5565 * We need this here because mono_marshal_get_runtime_invoke can place
5566 * the helper method in System.Object and not the target class.
5569 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
5573 mono_runtime_class_init (info->vtable);
5576 /* The wrappers expect this to be initialized to NULL */
5580 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5581 if (info->dyn_call_info) {
5582 MonoMethodSignature *sig = mono_method_signature (method);
5584 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
5587 guint8 retval [128];
5589 if (!dyn_runtime_invoke) {
5590 invoke = mono_marshal_get_runtime_invoke_dynamic ();
5591 dyn_runtime_invoke = mono_jit_compile_method (invoke);
5594 /* Convert the arguments to the format expected by start_dyn_call () */
5595 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
5598 args [pindex ++] = &obj;
5599 for (i = 0; i < sig->param_count; ++i) {
5600 MonoType *t = sig->params [i];
5603 args [pindex ++] = ¶ms [i];
5604 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
5605 args [pindex ++] = ¶ms [i];
5607 args [pindex ++] = params [i];
5611 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
5613 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
5615 dyn_runtime_invoke (buf, exc, info->compiled_method);
5617 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
5619 if (info->ret_box_class)
5620 return mono_value_box (domain, info->ret_box_class, retval);
5622 return *(MonoObject**)retval;
5626 return runtime_invoke (obj, params, exc, info->compiled_method);
5630 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
5632 MonoException *exc = NULL;
5634 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
5639 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5641 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
5642 if (mono_arch_is_int_overflow (ctx, info))
5644 * The spec says this throws ArithmeticException, but MS throws the derived
5645 * OverflowException.
5647 exc = mono_get_exception_overflow ();
5649 exc = mono_get_exception_divide_by_zero ();
5651 exc = mono_get_exception_divide_by_zero ();
5655 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5658 mono_handle_native_sigsegv (SIGSEGV, ctx);
5661 mono_arch_handle_exception (ctx, exc, FALSE);
5665 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
5670 exc = mono_get_exception_execution_engine ("SIGILL");
5672 mono_arch_handle_exception (ctx, exc, FALSE);
5675 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
5676 #define HAVE_SIG_INFO
5680 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
5683 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
5684 gpointer fault_addr = NULL;
5688 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
5689 if (mono_arch_is_single_step_event (info, ctx)) {
5690 mono_debugger_agent_single_step_event (ctx);
5692 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
5693 mono_debugger_agent_breakpoint_hit (ctx);
5698 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
5699 fault_addr = info->si_addr;
5700 if (mono_aot_is_pagefault (info->si_addr)) {
5701 mono_aot_handle_pagefault (info->si_addr);
5706 /* The thread might no be registered with the runtime */
5707 if (!mono_domain_get () || !jit_tls) {
5708 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5710 mono_handle_native_sigsegv (SIGSEGV, ctx);
5713 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5715 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
5716 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
5719 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
5720 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
5721 fault_addr = info->si_addr;
5722 if (fault_addr == NULL) {
5725 mono_arch_sigctx_to_monoctx (ctx, &mctx);
5727 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
5731 /* The hard-guard page has been hit: there is not much we can do anymore
5732 * Print a hopefully clear message and abort.
5734 if (jit_tls->stack_size &&
5735 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
5737 /* we don't do much now, but we can warn the user with a useful message */
5738 fprintf (stderr, "Stack overflow: IP: %p, fault addr: %p\n", mono_arch_ip_from_context (ctx), (gpointer)info->si_addr);
5739 if (ji && ji->method)
5740 method = mono_method_full_name (ji->method, TRUE);
5742 method = "Unmanaged";
5743 fprintf (stderr, "At %s\n", method);
5746 /* The original handler might not like that it is executed on an altstack... */
5747 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
5750 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
5755 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5758 mono_handle_native_sigsegv (SIGSEGV, ctx);
5761 mono_arch_handle_exception (ctx, NULL, FALSE);
5766 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
5771 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
5773 mono_arch_handle_exception (ctx, exc, FALSE);
5776 /* mono_jit_create_remoting_trampoline:
5777 * @method: pointer to the method info
5779 * Creates a trampoline which calls the remoting functions. This
5780 * is used in the vtable of transparent proxies.
5782 * Returns: a pointer to the newly created code
5785 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
5788 guint8 *addr = NULL;
5790 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
5791 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
5795 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
5796 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
5797 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
5798 addr = mono_compile_method (nm);
5800 addr = mono_compile_method (method);
5802 return mono_get_addr_from_ftnptr (addr);
5805 static gpointer *vtable_trampolines;
5806 static int vtable_trampolines_size;
5809 mini_get_vtable_trampoline (int slot_index)
5811 int index = slot_index + MONO_IMT_SIZE;
5813 g_assert (slot_index >= - MONO_IMT_SIZE);
5814 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
5816 if (!vtable_trampolines || index >= vtable_trampolines_size) {
5820 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
5821 while (new_size <= index)
5823 new_table = g_new0 (gpointer, new_size);
5825 if (vtable_trampolines)
5826 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
5827 g_free (vtable_trampolines);
5828 mono_memory_barrier ();
5829 vtable_trampolines = new_table;
5830 vtable_trampolines_size = new_size;
5835 if (!vtable_trampolines [index])
5836 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
5837 return vtable_trampolines [index];
5841 mini_get_imt_trampoline (int slot_index)
5843 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
5847 mini_parse_debug_options (void)
5849 char *options = getenv ("MONO_DEBUG");
5850 gchar **args, **ptr;
5855 args = g_strsplit (options, ",", -1);
5857 for (ptr = args; ptr && *ptr; ptr++) {
5858 const char *arg = *ptr;
5860 if (!strcmp (arg, "handle-sigint"))
5861 debug_options.handle_sigint = TRUE;
5862 else if (!strcmp (arg, "keep-delegates"))
5863 debug_options.keep_delegates = TRUE;
5864 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
5865 debug_options.reverse_pinvoke_exceptions = TRUE;
5866 else if (!strcmp (arg, "collect-pagefault-stats"))
5867 debug_options.collect_pagefault_stats = TRUE;
5868 else if (!strcmp (arg, "break-on-unverified"))
5869 debug_options.break_on_unverified = TRUE;
5870 else if (!strcmp (arg, "no-gdb-backtrace"))
5871 debug_options.no_gdb_backtrace = TRUE;
5872 else if (!strcmp (arg, "suspend-on-sigsegv"))
5873 debug_options.suspend_on_sigsegv = TRUE;
5874 else if (!strcmp (arg, "dont-free-domains"))
5875 mono_dont_free_domains = TRUE;
5876 else if (!strcmp (arg, "dyn-runtime-invoke"))
5877 debug_options.dyn_runtime_invoke = TRUE;
5878 else if (!strcmp (arg, "gdb"))
5879 debug_options.gdb = TRUE;
5880 else if (!strcmp (arg, "explicit-null-checks"))
5881 debug_options.explicit_null_checks = TRUE;
5882 else if (!strcmp (arg, "gen-seq-points"))
5883 debug_options.gen_seq_points = TRUE;
5884 else if (!strcmp (arg, "init-stacks"))
5885 debug_options.init_stacks = TRUE;
5886 else if (!strcmp (arg, "casts"))
5887 debug_options.better_cast_details = TRUE;
5889 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
5890 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', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks'\n");
5899 mini_get_debug_options (void)
5901 return &debug_options;
5905 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
5910 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
5916 #elif defined(__ppc64__) || defined(__powerpc64__)
5919 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
5932 mini_get_addr_from_ftnptr (gpointer descr)
5934 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
5935 return *(gpointer*)descr;
5942 register_jit_stats (void)
5944 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
5945 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
5946 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
5947 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
5948 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
5951 static void runtime_invoke_info_free (gpointer value);
5954 mini_create_jit_domain_info (MonoDomain *domain)
5956 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
5958 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5959 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5960 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5961 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5962 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5963 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
5964 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
5965 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
5967 domain->runtime_info = info;
5971 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
5973 g_slist_free (value);
5977 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
5979 MonoJitDynamicMethodInfo *di = value;
5980 mono_code_manager_destroy (di->code_mp);
5985 runtime_invoke_info_free (gpointer value)
5987 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
5989 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5990 if (info->dyn_call_info)
5991 mono_arch_dyn_call_free (info->dyn_call_info);
5997 mini_free_jit_domain_info (MonoDomain *domain)
5999 MonoJitDomainInfo *info = domain_jit_info (domain);
6001 if (info->jump_target_hash) {
6002 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6003 g_hash_table_destroy (info->jump_target_hash);
6005 if (info->jump_target_got_slot_hash) {
6006 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6007 g_hash_table_destroy (info->jump_target_got_slot_hash);
6009 if (info->dynamic_code_hash) {
6010 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6011 g_hash_table_destroy (info->dynamic_code_hash);
6013 if (info->method_code_hash)
6014 g_hash_table_destroy (info->method_code_hash);
6015 g_hash_table_destroy (info->class_init_trampoline_hash);
6016 g_hash_table_destroy (info->jump_trampoline_hash);
6017 g_hash_table_destroy (info->jit_trampoline_hash);
6018 g_hash_table_destroy (info->delegate_trampoline_hash);
6019 if (info->static_rgctx_trampoline_hash)
6020 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6021 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6022 g_hash_table_destroy (info->runtime_invoke_hash);
6023 g_hash_table_destroy (info->seq_points);
6024 g_hash_table_destroy (info->arch_seq_points);
6026 if (info->agent_info)
6027 mono_debugger_agent_free_domain_info (domain);
6029 g_free (domain->runtime_info);
6030 domain->runtime_info = NULL;
6034 mini_init (const char *filename, const char *runtime_version)
6037 MonoRuntimeCallbacks callbacks;
6039 MONO_PROBE_VES_INIT_BEGIN ();
6041 #if defined(__linux__) && !defined(__native_client__)
6042 if (access ("/proc/self/maps", F_OK) != 0) {
6043 g_print ("Mono requires /proc to be mounted.\n");
6048 /* Happens when using the embedding interface */
6049 if (!default_opt_set)
6050 default_opt = mono_parse_default_optimizations (NULL);
6052 InitializeCriticalSection (&jit_mutex);
6054 #ifdef MONO_DEBUGGER_SUPPORTED
6055 if (mini_debug_running_inside_mdb ())
6056 mini_debugger_init ();
6059 #ifdef MINI_HAVE_FAST_TLS
6060 MINI_FAST_TLS_INIT (mono_jit_tls);
6061 MINI_FAST_TLS_INIT (mono_lmf_addr);
6062 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
6063 MINI_FAST_TLS_INIT (mono_lmf);
6067 #ifdef MONO_ARCH_HAVE_TLS_GET
6068 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
6070 mono_runtime_set_has_tls_get (FALSE);
6073 if (!global_codeman)
6074 global_codeman = mono_code_manager_new ();
6075 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
6077 memset (&callbacks, 0, sizeof (callbacks));
6078 callbacks.create_ftnptr = mini_create_ftnptr;
6079 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
6080 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
6082 #ifdef MONO_ARCH_HAVE_IMT
6084 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
6085 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
6089 mono_install_callbacks (&callbacks);
6091 if (getenv ("MONO_DEBUG") != NULL)
6092 mini_parse_debug_options ();
6094 mono_arch_cpu_init ();
6098 mono_unwind_init ();
6102 if (getenv ("MONO_XDEBUG")) {
6103 char *xdebug_opts = getenv ("MONO_XDEBUG");
6104 mono_xdebug_init (xdebug_opts);
6105 /* So methods for multiple domains don't have the same address */
6106 mono_dont_free_domains = TRUE;
6107 mono_using_xdebug = TRUE;
6108 } else if (mini_get_debug_options ()->gdb) {
6109 mono_xdebug_init ((char*)"gdb");
6110 mono_dont_free_domains = TRUE;
6111 mono_using_xdebug = TRUE;
6115 if (mono_use_llvm) {
6116 if (!mono_llvm_load (NULL)) {
6117 mono_use_llvm = FALSE;
6118 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
6125 mono_trampolines_init ();
6127 if (!g_thread_supported ())
6128 g_thread_init (NULL);
6130 mono_jit_tls_id = TlsAlloc ();
6131 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
6133 if (default_opt & MONO_OPT_AOT)
6136 mono_debugger_agent_init ();
6138 #ifdef MONO_ARCH_GSHARED_SUPPORTED
6139 mono_set_generic_sharing_supported (TRUE);
6142 #ifndef MONO_CROSS_COMPILE
6143 mono_runtime_install_handlers ();
6145 mono_threads_install_cleanup (mini_thread_cleanup);
6147 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
6148 // This is experimental code so provide an env var to switch it off
6149 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
6150 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
6152 check_for_pending_exc = FALSE;
6153 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
6157 #define JIT_TRAMPOLINES_WORK
6158 #ifdef JIT_TRAMPOLINES_WORK
6159 mono_install_compile_method (mono_jit_compile_method);
6160 mono_install_free_method (mono_jit_free_method);
6161 mono_install_trampoline (mono_create_jit_trampoline);
6162 mono_install_jump_trampoline (mono_create_jump_trampoline);
6163 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
6164 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
6165 mono_install_create_domain_hook (mini_create_jit_domain_info);
6166 mono_install_free_domain_hook (mini_free_jit_domain_info);
6168 #define JIT_INVOKE_WORKS
6169 #ifdef JIT_INVOKE_WORKS
6170 mono_install_runtime_invoke (mono_jit_runtime_invoke);
6172 mono_install_stack_walk (mono_jit_walk_stack);
6173 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
6174 mono_install_get_class_from_name (mono_aot_get_class_from_name);
6175 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
6177 if (debug_options.collect_pagefault_stats) {
6178 mono_aot_set_make_unreadable (TRUE);
6181 if (runtime_version)
6182 domain = mono_init_version (filename, runtime_version);
6184 domain = mono_init_from_assembly (filename, filename);
6186 if (mono_aot_only) {
6187 /* This helps catch code allocation requests */
6188 mono_code_manager_set_read_only (domain->code_mp);
6191 #ifdef MONO_ARCH_HAVE_IMT
6194 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
6196 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
6200 /* This must come after mono_init () in the aot-only case */
6201 mono_exceptions_init ();
6202 mono_install_handler (mono_get_throw_exception ());
6206 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
6207 ves_icall_get_frame_info);
6208 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
6209 ves_icall_get_trace);
6210 mono_add_internal_call ("System.Exception::get_trace",
6211 ves_icall_System_Exception_get_trace);
6212 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
6213 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
6214 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
6215 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
6216 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
6217 mono_runtime_install_handlers);
6219 mono_create_helper_signatures ();
6221 register_jit_stats ();
6223 #define JIT_CALLS_WORK
6224 #ifdef JIT_CALLS_WORK
6225 /* Needs to be called here since register_jit_icall depends on it */
6226 mono_marshal_init ();
6228 mono_arch_register_lowlevel_calls ();
6229 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
6230 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
6231 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
6232 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
6233 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
6234 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
6235 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
6237 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
6238 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
6239 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
6241 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
6242 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
6243 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
6244 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
6245 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
6247 #if defined(__native_client__) || defined(__native_client_codegen__)
6248 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
6251 * NOTE, NOTE, NOTE, NOTE:
6252 * when adding emulation for some opcodes, remember to also add a dummy
6253 * rule to the burg files, because we need the arity information to be correct.
6255 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
6256 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
6257 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
6258 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
6259 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
6260 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
6261 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
6262 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
6265 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
6266 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
6267 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
6268 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
6271 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
6272 mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE);
6273 mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6274 mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE);
6275 mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6276 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
6277 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6278 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
6279 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6282 #ifdef MONO_ARCH_EMULATE_MUL_DIV
6283 mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE);
6284 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
6287 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
6288 mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6289 mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6290 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6291 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6294 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
6295 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
6298 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
6299 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
6300 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
6301 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
6303 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
6304 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
6306 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
6307 mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6308 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6310 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
6311 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
6313 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
6314 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
6316 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
6317 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
6319 #ifdef MONO_ARCH_EMULATE_FREM
6320 #if defined(__default_codegen__)
6321 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
6322 #elif defined(__native_client_codegen__)
6323 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, FALSE);
6327 #ifdef MONO_ARCH_SOFT_FLOAT
6328 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
6329 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
6330 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
6331 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
6332 mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE);
6333 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
6334 mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE);
6335 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
6336 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
6337 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
6338 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
6339 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
6340 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
6341 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
6342 #if SIZEOF_VOID_P == 4
6343 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
6346 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
6347 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
6348 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
6349 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
6350 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
6351 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
6352 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
6353 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
6354 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
6355 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
6357 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
6358 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
6359 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
6360 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
6361 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
6363 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
6364 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
6365 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
6366 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
6369 #ifdef COMPRESSED_INTERFACE_BITMAP
6370 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
6373 #if SIZEOF_REGISTER == 4
6374 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
6377 /* other jit icalls */
6378 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
6379 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
6380 "ptr ptr ptr", FALSE);
6381 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
6382 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
6383 "ptr ptr ptr ptr", FALSE);
6384 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
6385 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
6386 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
6387 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
6388 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
6389 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
6390 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
6391 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
6392 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
6393 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
6394 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
6395 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
6396 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
6397 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
6398 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
6399 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
6400 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
6401 register_icall (mono_break, "mono_break", NULL, TRUE);
6402 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
6403 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
6404 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
6405 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
6406 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
6407 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
6408 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
6409 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
6411 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
6413 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
6414 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
6418 mono_generic_sharing_init ();
6420 #ifdef MONO_ARCH_SIMD_INTRINSICS
6421 mono_simd_intrinsics_init ();
6424 #if MONO_SUPPORT_TASKLETS
6425 mono_tasklets_init ();
6428 if (mono_compile_aot)
6430 * Avoid running managed code when AOT compiling, since the platform
6431 * might only support aot-only execution.
6433 mono_runtime_set_no_exec (TRUE);
6435 #define JIT_RUNTIME_WORKS
6436 #ifdef JIT_RUNTIME_WORKS
6437 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
6438 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
6439 mono_thread_attach (domain);
6442 mono_profiler_runtime_initialized ();
6444 MONO_PROBE_VES_INIT_END ();
6449 MonoJitStats mono_jit_stats = {0};
6452 print_jit_stats (void)
6454 if (mono_jit_stats.enabled) {
6455 g_print ("Mono Jit statistics\n");
6456 g_print ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups);
6457 g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks);
6458 g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks);
6459 g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var);
6460 g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size);
6461 g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size);
6462 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
6463 mono_jit_stats.max_ratio_method);
6464 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
6465 mono_jit_stats.biggest_method);
6466 g_print ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs);
6467 g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size);
6468 g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods);
6469 g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods);
6470 g_print ("Regvars: %ld\n", mono_jit_stats.regvars);
6471 g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size);
6473 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
6474 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
6475 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
6476 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
6477 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
6478 g_print ("Methods: %ld\n", mono_stats.method_count);
6479 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
6480 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
6481 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
6483 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
6484 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
6485 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
6487 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
6488 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
6489 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
6491 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
6492 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
6493 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
6495 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
6496 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
6497 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
6498 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
6499 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
6500 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
6501 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
6502 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
6504 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
6505 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
6506 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
6508 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
6509 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
6510 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
6511 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
6512 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
6513 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
6514 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
6515 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
6516 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
6517 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
6518 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
6519 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
6522 g_free (mono_jit_stats.max_ratio_method);
6523 mono_jit_stats.max_ratio_method = NULL;
6524 g_free (mono_jit_stats.biggest_method);
6525 mono_jit_stats.biggest_method = NULL;
6530 mini_cleanup (MonoDomain *domain)
6532 mono_runtime_shutdown_stat_profiler ();
6535 cominterop_release_all_rcws ();
6538 #ifndef MONO_CROSS_COMPILE
6539 mono_runtime_shutdown ();
6541 * mono_runtime_cleanup() and mono_domain_finalize () need to
6542 * be called early since they need the execution engine still
6543 * fully working (mono_domain_finalize may invoke managed finalizers
6544 * and mono_runtime_cleanup will wait for other threads to finish).
6546 mono_domain_finalize (domain, 2000);
6549 /* This accesses metadata so needs to be called before runtime shutdown */
6552 mono_profiler_shutdown ();
6554 #ifndef MONO_CROSS_COMPILE
6555 mono_runtime_cleanup (domain);
6558 free_jit_tls_data (TlsGetValue (mono_jit_tls_id));
6560 mono_icall_cleanup ();
6562 mono_runtime_cleanup_handlers ();
6564 mono_domain_free (domain, TRUE);
6566 mono_debugger_cleanup ();
6570 mono_llvm_cleanup ();
6573 mono_aot_cleanup ();
6575 mono_trampolines_cleanup ();
6577 mono_unwind_cleanup ();
6579 if (!mono_dont_free_global_codeman)
6580 mono_code_manager_destroy (global_codeman);
6581 g_hash_table_destroy (jit_icall_name_hash);
6582 g_free (emul_opcode_map);
6583 g_free (emul_opcode_opcodes);
6584 g_free (vtable_trampolines);
6586 mono_arch_cleanup ();
6588 mono_generic_sharing_cleanup ();
6592 mono_trace_cleanup ();
6594 mono_counters_dump (-1, stdout);
6596 if (mono_inject_async_exc_method)
6597 mono_method_desc_free (mono_inject_async_exc_method);
6599 TlsFree(mono_jit_tls_id);
6601 DeleteCriticalSection (&jit_mutex);
6603 DeleteCriticalSection (&mono_delegate_section);
6607 mono_set_defaults (int verbose_level, guint32 opts)
6609 mini_verbose = verbose_level;
6611 default_opt_set = TRUE;
6615 mono_disable_optimizations (guint32 opts)
6617 default_opt &= ~opts;
6621 * mono_get_runtime_build_info:
6623 * Return the runtime version + build date in string format.
6624 * The returned string is owned by the caller.
6627 mono_get_runtime_build_info (void)
6629 if (mono_build_date)
6630 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
6632 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
6636 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
6638 GHashTable *assemblies = (GHashTable*)user_data;
6639 MonoImage *image = mono_assembly_get_image (ass);
6640 MonoMethod *method, *invoke;
6643 if (g_hash_table_lookup (assemblies, ass))
6646 g_hash_table_insert (assemblies, ass, ass);
6648 if (mini_verbose > 0)
6649 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
6651 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
6652 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
6653 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
6657 if (mini_verbose > 1) {
6658 char * desc = mono_method_full_name (method, TRUE);
6659 g_print ("Compiling %d %s\n", count, desc);
6662 mono_compile_method (method);
6663 if (strcmp (method->name, "Finalize") == 0) {
6664 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6665 mono_compile_method (invoke);
6667 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
6668 invoke = mono_marshal_get_remoting_invoke_with_check (method);
6669 mono_compile_method (invoke);
6673 /* Load and precompile referenced assemblies as well */
6674 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
6675 mono_assembly_load_reference (image, i);
6676 if (image->references [i])
6677 mono_precompile_assembly (image->references [i], assemblies);
6681 void mono_precompile_assemblies ()
6683 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
6685 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
6687 g_hash_table_destroy (assemblies);
6693 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
6694 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
6698 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
6700 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
6701 hole->clause = clause;
6702 hole->start_offset = start - cfg->native_code;
6703 hole->basic_block = bb;
6705 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
6709 mono_cfg_set_exception (MonoCompile *cfg, int type)
6711 cfg->exception_type = type;