2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Copyright 2003-2010 Novell, Inc.
10 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
13 #define MONO_LLVM_IN_MINI 1
23 #ifdef HAVE_SYS_TIME_H
27 #include <mono/utils/memcheck.h>
29 #include <mono/metadata/assembly.h>
30 #include <mono/metadata/loader.h>
31 #include <mono/metadata/tabledefs.h>
32 #include <mono/metadata/class.h>
33 #include <mono/metadata/object.h>
34 #include <mono/metadata/tokentype.h>
35 #include <mono/metadata/tabledefs.h>
36 #include <mono/metadata/threads.h>
37 #include <mono/metadata/appdomain.h>
38 #include <mono/metadata/debug-helpers.h>
39 #include <mono/io-layer/io-layer.h>
40 #include "mono/metadata/profiler.h"
41 #include <mono/metadata/profiler-private.h>
42 #include <mono/metadata/mono-config.h>
43 #include <mono/metadata/environment.h>
44 #include <mono/metadata/mono-debug.h>
45 #include <mono/metadata/gc-internal.h>
46 #include <mono/metadata/threads-types.h>
47 #include <mono/metadata/verify.h>
48 #include <mono/metadata/verify-internals.h>
49 #include <mono/metadata/mempool-internals.h>
50 #include <mono/metadata/attach.h>
51 #include <mono/metadata/runtime.h>
52 #include <mono/utils/mono-math.h>
53 #include <mono/utils/mono-compiler.h>
54 #include <mono/utils/mono-counters.h>
55 #include <mono/utils/mono-logger-internal.h>
56 #include <mono/utils/mono-mmap.h>
57 #include <mono/utils/mono-tls.h>
58 #include <mono/utils/dtrace.h>
61 #include "mini-llvm.h"
68 #include "jit-icalls.h"
70 #include "debug-mini.h"
72 #include "debugger-agent.h"
74 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
77 static guint32 default_opt = 0;
78 static gboolean default_opt_set = FALSE;
80 MonoNativeTlsKey mono_jit_tls_id;
82 #ifdef MONO_HAVE_FAST_TLS
83 MONO_FAST_TLS_DECLARE(mono_jit_tls);
86 #ifndef MONO_ARCH_MONITOR_ENTER_ADJUSTMENT
87 #define MONO_ARCH_MONITOR_ENTER_ADJUSTMENT 1
90 MonoTraceSpec *mono_jit_trace_calls = NULL;
91 gboolean mono_compile_aot = FALSE;
92 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
93 gboolean mono_aot_only = FALSE;
94 /* Whenever to use IMT */
95 #ifdef MONO_ARCH_HAVE_IMT
96 gboolean mono_use_imt = TRUE;
98 gboolean mono_use_imt = FALSE;
100 MonoMethodDesc *mono_inject_async_exc_method = NULL;
101 int mono_inject_async_exc_pos;
102 MonoMethodDesc *mono_break_at_bb_method = NULL;
103 int mono_break_at_bb_bb_num;
104 gboolean mono_do_x86_stack_align = TRUE;
105 const char *mono_build_date;
106 gboolean mono_do_signal_chaining;
107 static gboolean mono_using_xdebug;
108 static int mini_verbose = 0;
111 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
112 * it can load AOT code compiled by LLVM.
114 gboolean mono_use_llvm = FALSE;
116 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
117 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
118 static CRITICAL_SECTION jit_mutex;
120 static MonoCodeManager *global_codeman = NULL;
122 static GHashTable *jit_icall_name_hash = NULL;
124 static MonoDebugOptions debug_options;
126 #ifdef VALGRIND_JIT_REGISTER_MAP
127 static int valgrind_register = 0;
131 * Table written to by the debugger with a 1-based index into the
132 * mono_breakpoint_info table, which contains changes made to
133 * the JIT instructions by the debugger.
136 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
138 /* Whenever to check for pending exceptions in managed-to-native wrappers */
139 gboolean check_for_pending_exc = TRUE;
141 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
142 gboolean disable_vtypes_in_regs = FALSE;
144 gboolean mono_dont_free_global_codeman;
147 mono_realloc_native_code (MonoCompile *cfg)
149 #if defined(__default_codegen__)
150 return g_realloc (cfg->native_code, cfg->code_size);
151 #elif defined(__native_client_codegen__)
153 gpointer native_code;
154 guint alignment_check;
156 /* Save the old alignment offset so we can re-align after the realloc. */
157 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
159 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
160 cfg->code_size + kNaClAlignment );
162 /* Align native_code to next nearest kNaClAlignment byte. */
163 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
164 native_code = (guint)native_code & ~kNaClAlignmentMask;
166 /* Shift the data to be 32-byte aligned again. */
167 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
169 alignment_check = (guint)native_code & kNaClAlignmentMask;
170 g_assert (alignment_check == 0);
173 g_assert_not_reached ();
174 return cfg->native_code;
178 #ifdef __native_client_codegen__
180 /* Prevent instructions from straddling a 32-byte alignment boundary. */
181 /* Instructions longer than 32 bytes must be aligned internally. */
182 /* IN: pcode, instlen */
184 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
187 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
189 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
190 g_assert_not_reached();
191 } else if (instlen > space_in_block) {
192 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
196 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
197 /* IN: start pointer to start of call sequence */
198 /* IN: pcode pointer to end of call sequence (current "IP") */
199 /* OUT: start pointer to the start of the call sequence after padding */
200 /* OUT: pcode pointer to the end of the call sequence after padding */
201 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
202 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
203 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
206 const size_t length = (size_t)((*pcode)-(*start));
207 g_assert(length < MAX_NACL_CALL_LENGTH);
209 memcpy(copy_of_call, *start, length);
210 temp = mono_nacl_pad_call(*start, (guint8)length);
211 memcpy(temp, copy_of_call, length);
213 (*pcode) = temp + length;
216 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
217 /* code pointer to buffer for emitting code */
218 /* ilength length of call instruction */
219 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
220 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
221 int padding = freeSpaceInBlock - ilength;
224 /* There isn't enough space in this block for the instruction. */
225 /* Fill this block and start a new one. */
226 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
227 freeSpaceInBlock = kNaClAlignment;
228 padding = freeSpaceInBlock - ilength;
230 g_assert(ilength > 0);
231 g_assert(padding >= 0);
232 g_assert(padding < kNaClAlignment);
233 if (0 == padding) return code;
234 return mono_arch_nacl_pad(code, padding);
237 guint8 *mono_nacl_align(guint8 *code) {
238 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
239 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
243 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
245 MonoJumpInfo *patch_info;
246 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
247 unsigned char *ip = patch_info->ip.i + code;
248 ip = mono_arch_nacl_skip_nops(ip);
249 patch_info->ip.i = ip - code;
252 #endif /* __native_client_codegen__ */
255 mono_running_on_valgrind (void)
257 if (RUNNING_ON_VALGRIND){
258 #ifdef VALGRIND_JIT_REGISTER_MAP
259 valgrind_register = TRUE;
267 MonoExceptionClause *clause;
268 MonoBasicBlock *basic_block;
278 find_tramp (gpointer key, gpointer value, gpointer user_data)
280 FindTrampUserData *ud = (FindTrampUserData*)user_data;
283 ud->method = (MonoMethod*)key;
287 G_GNUC_UNUSED static char*
288 get_method_from_ip (void *ip)
293 MonoDomain *domain = mono_domain_get ();
294 MonoDebugSourceLocation *location;
295 FindTrampUserData user_data;
298 domain = mono_get_root_domain ();
300 ji = mono_jit_info_table_find (domain, ip);
303 user_data.method = NULL;
304 mono_domain_lock (domain);
305 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
306 mono_domain_unlock (domain);
307 if (user_data.method) {
308 char *mname = mono_method_full_name (user_data.method, TRUE);
309 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
316 method = mono_method_full_name (ji->method, TRUE);
317 /* FIXME: unused ? */
318 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
320 res = g_strdup_printf (" %s + 0x%x (%p %p) [%p - %s]", method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
322 mono_debug_free_source_location (location);
330 * @ip: an instruction pointer address
332 * This method is used from a debugger to get the name of the
333 * method at address @ip. This routine is typically invoked from
334 * a debugger like this:
336 * (gdb) print mono_pmip ($pc)
338 * Returns: the name of the method at address @ip.
343 return get_method_from_ip (ip);
347 * mono_print_method_from_ip
348 * @ip: an instruction pointer address
350 * This method is used from a debugger to get the name of the
351 * method at address @ip.
353 * This prints the name of the method at address @ip in the standard
354 * output. Unlike mono_pmip which returns a string, this routine
355 * prints the value on the standard output.
358 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
359 __attribute__((used))
362 mono_print_method_from_ip (void *ip)
366 MonoDebugSourceLocation *source;
367 MonoDomain *domain = mono_domain_get ();
368 MonoDomain *target_domain = mono_domain_get ();
369 FindTrampUserData user_data;
371 ji = mini_jit_info_table_find (domain, ip, &target_domain);
374 user_data.method = NULL;
375 mono_domain_lock (domain);
376 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
377 mono_domain_unlock (domain);
378 if (user_data.method) {
379 char *mname = mono_method_full_name (user_data.method, TRUE);
380 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
384 g_print ("No method at %p\n", ip);
388 method = mono_method_full_name (ji->method, TRUE);
389 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
391 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);
394 g_print ("%s:%d\n", source->source_file, source->row);
397 mono_debug_free_source_location (source);
402 * mono_method_same_domain:
404 * Determine whenever two compiled methods are in the same domain, thus
405 * the address of the callee can be embedded in the caller.
407 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
409 if (!caller || !callee)
413 * If the call was made from domain-neutral to domain-specific
414 * code, we can't patch the call site.
416 if (caller->domain_neutral && !callee->domain_neutral)
419 if ((caller->method->klass == mono_defaults.appdomain_class) &&
420 (strstr (caller->method->name, "InvokeInDomain"))) {
421 /* The InvokeInDomain methods change the current appdomain */
429 * mono_global_codeman_reserve:
431 * Allocate code memory from the global code manager.
433 void *mono_global_codeman_reserve (int size)
438 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
440 if (!global_codeman) {
441 /* This can happen during startup */
442 global_codeman = mono_code_manager_new ();
443 return mono_code_manager_reserve (global_codeman, size);
447 ptr = mono_code_manager_reserve (global_codeman, size);
453 #if defined(__native_client_codegen__) && defined(__native_client__)
454 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
455 * which we are generating code, return a pointer to the destination in the
456 * dynamic code segment into which the code will be copied when
457 * mono_global_codeman_commit is called.
458 * LOCKING: Acquires the jit lock.
461 nacl_global_codeman_get_dest (void *data)
465 dest = nacl_code_manager_get_code_dest (global_codeman, data);
471 mono_global_codeman_commit (void *data, int size, int newsize)
474 mono_code_manager_commit (global_codeman, data, size, newsize);
479 * Convenience function which calls mono_global_codeman_commit to validate and
480 * copy the code. The caller sets *buf_base and *buf_size to the start and size
481 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
482 * the byte after the last instruction byte. On return, *buf_base will point to
483 * the start of the copied in the code segment, and *code_end will point after
484 * the end of the copied code.
487 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
489 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
490 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
491 *code_end = tmp + (*code_end - *buf_base);
495 /* no-op versions of Native Client functions */
497 nacl_global_codeman_get_dest (void *data)
503 mono_global_codeman_commit (void *data, int size, int newsize)
508 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
512 #endif /* __native_client__ */
515 * mono_create_unwind_op:
517 * Create an unwind op with the given parameters.
520 mono_create_unwind_op (int when, int tag, int reg, int val)
522 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
533 * mono_emit_unwind_op:
535 * Add an unwind op with the given parameters for the list of unwind ops stored in
539 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
541 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
548 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
552 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
554 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
557 res->has_context = context != NULL;
559 memcpy (&res->context, context, sizeof (MonoGenericContext));
565 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
567 return mono_jump_info_token_new2 (mp, image, token, NULL);
571 * mono_tramp_info_create:
573 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
574 * of NAME, JI, and UNWIND_OPS.
577 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
579 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
581 info->name = (char*)name;
583 info->code_size = code_size;
585 info->unwind_ops = unwind_ops;
591 mono_tramp_info_free (MonoTrampInfo *info)
598 for (l = info->unwind_ops; l; l = l->next)
600 g_slist_free (info->unwind_ops);
604 G_GNUC_UNUSED static void
610 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
611 * Set a breakpoint in break_count () to break the last time <x> is done.
613 G_GNUC_UNUSED gboolean
614 mono_debug_count (void)
616 static int count = 0;
619 if (!getenv ("COUNT"))
622 if (count == atoi (getenv ("COUNT"))) {
626 if (count > atoi (getenv ("COUNT"))) {
633 #define MONO_INIT_VARINFO(vi,id) do { \
634 (vi)->range.first_use.pos.bid = 0xffff; \
640 * mono_unlink_bblock:
642 * Unlink two basic blocks.
645 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
651 for (i = 0; i < from->out_count; ++i) {
652 if (to == from->out_bb [i]) {
659 for (i = 0; i < from->out_count; ++i) {
660 if (from->out_bb [i] != to)
661 from->out_bb [pos ++] = from->out_bb [i];
663 g_assert (pos == from->out_count - 1);
668 for (i = 0; i < to->in_count; ++i) {
669 if (from == to->in_bb [i]) {
676 for (i = 0; i < to->in_count; ++i) {
677 if (to->in_bb [i] != from)
678 to->in_bb [pos ++] = to->in_bb [i];
680 g_assert (pos == to->in_count - 1);
686 * mono_bblocks_linked:
688 * Return whenever BB1 and BB2 are linked in the CFG.
691 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
695 for (i = 0; i < bb1->out_count; ++i) {
696 if (bb1->out_bb [i] == bb2)
704 mono_find_block_region_notry (MonoCompile *cfg, int offset)
706 MonoMethodHeader *header = cfg->header;
707 MonoExceptionClause *clause;
710 for (i = 0; i < header->num_clauses; ++i) {
711 clause = &header->clauses [i];
712 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
713 (offset < (clause->handler_offset)))
714 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
716 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
717 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
718 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
719 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
720 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
722 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
730 * mono_get_block_region_notry:
732 * Return the region corresponding to REGION, ignoring try clauses nested inside
736 mono_get_block_region_notry (MonoCompile *cfg, int region)
738 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
739 MonoMethodHeader *header = cfg->header;
742 * This can happen if a try clause is nested inside a finally clause.
744 int clause_index = (region >> 8) - 1;
745 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
747 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
754 mono_find_spvar_for_region (MonoCompile *cfg, int region)
756 region = mono_get_block_region_notry (cfg, region);
758 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
762 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
766 array [*dfn] = start;
767 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
768 for (i = 0; i < start->out_count; ++i) {
769 if (start->out_bb [i]->dfn)
772 start->out_bb [i]->dfn = *dfn;
773 start->out_bb [i]->df_parent = start;
774 array [*dfn] = start->out_bb [i];
775 df_visit (start->out_bb [i], dfn, array);
780 mono_reverse_branch_op (guint32 opcode)
782 static const int reverse_map [] = {
783 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
784 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
786 static const int reverse_fmap [] = {
787 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
788 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
790 static const int reverse_lmap [] = {
791 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
792 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
794 static const int reverse_imap [] = {
795 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
796 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
799 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
800 opcode = reverse_map [opcode - CEE_BEQ];
801 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
802 opcode = reverse_fmap [opcode - OP_FBEQ];
803 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
804 opcode = reverse_lmap [opcode - OP_LBEQ];
805 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
806 opcode = reverse_imap [opcode - OP_IBEQ];
808 g_assert_not_reached ();
814 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
817 return OP_STORE_MEMBASE_REG;
820 switch (type->type) {
823 case MONO_TYPE_BOOLEAN:
824 return OP_STOREI1_MEMBASE_REG;
828 return OP_STOREI2_MEMBASE_REG;
831 return OP_STOREI4_MEMBASE_REG;
835 case MONO_TYPE_FNPTR:
836 return OP_STORE_MEMBASE_REG;
837 case MONO_TYPE_CLASS:
838 case MONO_TYPE_STRING:
839 case MONO_TYPE_OBJECT:
840 case MONO_TYPE_SZARRAY:
841 case MONO_TYPE_ARRAY:
842 return OP_STORE_MEMBASE_REG;
845 return OP_STOREI8_MEMBASE_REG;
847 return OP_STORER4_MEMBASE_REG;
849 return OP_STORER8_MEMBASE_REG;
850 case MONO_TYPE_VALUETYPE:
851 if (type->data.klass->enumtype) {
852 type = mono_class_enum_basetype (type->data.klass);
855 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
856 return OP_STOREX_MEMBASE;
857 return OP_STOREV_MEMBASE;
858 case MONO_TYPE_TYPEDBYREF:
859 return OP_STOREV_MEMBASE;
860 case MONO_TYPE_GENERICINST:
861 type = &type->data.generic_class->container_class->byval_arg;
865 /* FIXME: all the arguments must be references for now,
866 * later look inside cfg and see if the arg num is
869 g_assert (cfg->generic_sharing_context);
870 return OP_STORE_MEMBASE_REG;
872 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
878 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
881 return OP_LOAD_MEMBASE;
883 type = mono_type_get_underlying_type (type);
885 switch (type->type) {
887 return OP_LOADI1_MEMBASE;
889 case MONO_TYPE_BOOLEAN:
890 return OP_LOADU1_MEMBASE;
892 return OP_LOADI2_MEMBASE;
895 return OP_LOADU2_MEMBASE;
897 return OP_LOADI4_MEMBASE;
899 return OP_LOADU4_MEMBASE;
903 case MONO_TYPE_FNPTR:
904 return OP_LOAD_MEMBASE;
905 case MONO_TYPE_CLASS:
906 case MONO_TYPE_STRING:
907 case MONO_TYPE_OBJECT:
908 case MONO_TYPE_SZARRAY:
909 case MONO_TYPE_ARRAY:
910 return OP_LOAD_MEMBASE;
913 return OP_LOADI8_MEMBASE;
915 return OP_LOADR4_MEMBASE;
917 return OP_LOADR8_MEMBASE;
918 case MONO_TYPE_VALUETYPE:
919 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
920 return OP_LOADX_MEMBASE;
921 case MONO_TYPE_TYPEDBYREF:
922 return OP_LOADV_MEMBASE;
923 case MONO_TYPE_GENERICINST:
924 if (mono_type_generic_inst_is_valuetype (type))
925 return OP_LOADV_MEMBASE;
927 return OP_LOAD_MEMBASE;
931 /* FIXME: all the arguments must be references for now,
932 * later look inside cfg and see if the arg num is
935 g_assert (cfg->generic_sharing_context);
936 return OP_LOAD_MEMBASE;
938 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
944 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
946 if (cfg->generic_sharing_context && !type->byref) {
947 /* FIXME: all the arguments must be references for now,
948 * later look inside cfg and see if the arg num is
951 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
952 return CEE_LDIND_REF;
954 return mono_type_to_ldind (type);
958 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
960 if (cfg->generic_sharing_context && !type->byref) {
961 /* FIXME: all the arguments must be references for now,
962 * later look inside cfg and see if the arg num is
965 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
966 return CEE_STIND_REF;
968 return mono_type_to_stind (type);
972 mono_op_imm_to_op (int opcode)
976 #if SIZEOF_REGISTER == 4
992 #if SIZEOF_REGISTER == 4
998 #if SIZEOF_REGISTER == 4
1004 #if SIZEOF_REGISTER == 4
1029 case OP_ISHR_UN_IMM:
1031 case OP_LSHR_UN_IMM:
1035 case OP_IDIV_UN_IMM:
1037 case OP_IREM_UN_IMM:
1042 #if SIZEOF_REGISTER == 4
1048 #if SIZEOF_REGISTER == 4
1065 case OP_COMPARE_IMM:
1067 case OP_ICOMPARE_IMM:
1069 case OP_LOCALLOC_IMM:
1072 printf ("%s\n", mono_inst_name (opcode));
1073 g_assert_not_reached ();
1079 * mono_decompose_op_imm:
1081 * Replace the OP_.._IMM INS with its non IMM variant.
1084 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1088 MONO_INST_NEW (cfg, temp, OP_ICONST);
1089 temp->inst_c0 = ins->inst_imm;
1090 temp->dreg = mono_alloc_ireg (cfg);
1091 mono_bblock_insert_before_ins (bb, ins, temp);
1092 ins->opcode = mono_op_imm_to_op (ins->opcode);
1093 if (ins->opcode == OP_LOCALLOC)
1094 ins->sreg1 = temp->dreg;
1096 ins->sreg2 = temp->dreg;
1098 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1102 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1104 if (vreg >= cfg->vreg_to_inst_len) {
1105 MonoInst **tmp = cfg->vreg_to_inst;
1106 int size = cfg->vreg_to_inst_len;
1108 while (vreg >= cfg->vreg_to_inst_len)
1109 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1110 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1112 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1114 cfg->vreg_to_inst [vreg] = inst;
1117 #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)))
1118 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1123 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1131 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1134 int num = cfg->num_varinfo;
1137 if ((num + 1) >= cfg->varinfo_count) {
1138 int orig_count = cfg->varinfo_count;
1139 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1140 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1141 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1142 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1145 cfg->stat_allocate_var++;
1147 MONO_INST_NEW (cfg, inst, opcode);
1148 inst->inst_c0 = num;
1149 inst->inst_vtype = type;
1150 inst->klass = mono_class_from_mono_type (type);
1151 type_to_eval_stack_type (cfg, type, inst);
1152 /* if set to 1 the variable is native */
1153 inst->backend.is_pinvoke = 0;
1156 if (cfg->compute_gc_maps) {
1158 mono_mark_vreg_as_mp (cfg, vreg);
1160 MonoType *t = mini_type_get_underlying_type (NULL, type);
1161 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1162 inst->flags |= MONO_INST_GC_TRACK;
1163 mono_mark_vreg_as_ref (cfg, vreg);
1168 cfg->varinfo [num] = inst;
1170 MONO_INIT_VARINFO (&cfg->vars [num], num);
1171 MONO_VARINFO (cfg, num)->vreg = vreg;
1174 set_vreg_to_inst (cfg, vreg, inst);
1176 #if SIZEOF_REGISTER == 4
1177 #ifdef MONO_ARCH_SOFT_FLOAT
1178 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1180 regpair = mono_type_is_long (type);
1190 * These two cannot be allocated using create_var_for_vreg since that would
1191 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1195 * Set flags to VOLATILE so SSA skips it.
1198 if (cfg->verbose_level >= 4) {
1199 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1202 #ifdef MONO_ARCH_SOFT_FLOAT
1203 if (cfg->opt & MONO_OPT_SSA) {
1204 if (mono_type_is_float (type))
1205 inst->flags = MONO_INST_VOLATILE;
1209 /* Allocate a dummy MonoInst for the first vreg */
1210 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1211 tree->dreg = inst->dreg + 1;
1212 if (cfg->opt & MONO_OPT_SSA)
1213 tree->flags = MONO_INST_VOLATILE;
1214 tree->inst_c0 = num;
1215 tree->type = STACK_I4;
1216 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1217 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1219 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1221 /* Allocate a dummy MonoInst for the second vreg */
1222 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1223 tree->dreg = inst->dreg + 2;
1224 if (cfg->opt & MONO_OPT_SSA)
1225 tree->flags = MONO_INST_VOLATILE;
1226 tree->inst_c0 = num;
1227 tree->type = STACK_I4;
1228 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1229 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1231 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1235 if (cfg->verbose_level > 2)
1236 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1241 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1245 if (mono_type_is_long (type))
1246 dreg = mono_alloc_dreg (cfg, STACK_I8);
1247 #ifdef MONO_ARCH_SOFT_FLOAT
1248 else if (mono_type_is_float (type))
1249 dreg = mono_alloc_dreg (cfg, STACK_R8);
1252 /* All the others are unified */
1253 dreg = mono_alloc_preg (cfg);
1255 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1259 * Transform a MonoInst into a load from the variable of index var_index.
1262 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1263 memset (dest, 0, sizeof (MonoInst));
1264 dest->inst_i0 = cfg->varinfo [var_index];
1265 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1266 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1267 dest->klass = dest->inst_i0->klass;
1273 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1275 if (vreg >= cfg->vreg_is_ref_len) {
1276 gboolean *tmp = cfg->vreg_is_ref;
1277 int size = cfg->vreg_is_ref_len;
1279 while (vreg >= cfg->vreg_is_ref_len)
1280 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1281 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1283 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1285 cfg->vreg_is_ref [vreg] = TRUE;
1289 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1291 if (vreg >= cfg->vreg_is_mp_len) {
1292 gboolean *tmp = cfg->vreg_is_mp;
1293 int size = cfg->vreg_is_mp_len;
1295 while (vreg >= cfg->vreg_is_mp_len)
1296 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1297 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1299 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1301 cfg->vreg_is_mp [vreg] = TRUE;
1305 type_from_stack_type (MonoInst *ins) {
1306 switch (ins->type) {
1307 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1308 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1309 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1310 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1313 * this if used to be commented without any specific reason, but
1314 * it breaks #80235 when commented
1317 return &ins->klass->this_arg;
1319 return &mono_defaults.object_class->this_arg;
1321 /* ins->klass may not be set for ldnull.
1322 * Also, if we have a boxed valuetype, we want an object lass,
1323 * not the valuetype class
1325 if (ins->klass && !ins->klass->valuetype)
1326 return &ins->klass->byval_arg;
1327 return &mono_defaults.object_class->byval_arg;
1328 case STACK_VTYPE: return &ins->klass->byval_arg;
1330 g_error ("stack type %d to montype not handled\n", ins->type);
1336 mono_type_from_stack_type (MonoInst *ins) {
1337 return type_from_stack_type (ins);
1341 * mono_add_ins_to_end:
1343 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1346 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1351 MONO_ADD_INS (bb, inst);
1355 switch (bb->last_ins->opcode) {
1369 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1372 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1373 /* Need to insert the ins before the compare */
1374 if (bb->code == bb->last_ins) {
1375 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1379 if (bb->code->next == bb->last_ins) {
1380 /* Only two instructions */
1381 opcode = bb->code->opcode;
1383 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)) {
1385 mono_bblock_insert_before_ins (bb, bb->code, inst);
1387 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1390 opcode = bb->last_ins->prev->opcode;
1392 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)) {
1394 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1396 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1401 MONO_ADD_INS (bb, inst);
1407 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1409 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1410 MonoJumpInfoBBTable *table;
1412 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1414 table->table_size = num_blocks;
1416 ji->ip.label = label;
1417 ji->type = MONO_PATCH_INFO_SWITCH;
1418 ji->data.table = table;
1419 ji->next = cfg->patch_info;
1420 cfg->patch_info = ji;
1423 static MonoMethodSignature *
1424 mono_get_array_new_va_signature (int arity)
1426 static GHashTable *sighash = NULL;
1427 MonoMethodSignature *res;
1432 sighash = g_hash_table_new (NULL, NULL);
1434 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1439 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1442 #ifdef MONO_ARCH_VARARG_ICALLS
1443 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1444 res->call_convention = MONO_CALL_VARARG;
1448 res->call_convention = MONO_CALL_C;
1451 res->params [0] = &mono_defaults.int_class->byval_arg;
1452 for (i = 0; i < arity; i++)
1453 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1455 res->ret = &mono_defaults.object_class->byval_arg;
1457 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1464 mono_get_array_new_va_icall (int rank)
1466 MonoMethodSignature *esig;
1467 char icall_name [256];
1469 MonoJitICallInfo *info;
1471 /* Need to register the icall so it gets an icall wrapper */
1472 sprintf (icall_name, "ves_array_new_va_%d", rank);
1475 info = mono_find_jit_icall_by_name (icall_name);
1477 esig = mono_get_array_new_va_signature (rank);
1478 name = g_strdup (icall_name);
1479 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1481 g_hash_table_insert (jit_icall_name_hash, name, name);
1489 mini_class_is_system_array (MonoClass *klass)
1491 if (klass->parent == mono_defaults.array_class)
1498 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1500 MonoAssembly *assembly = method->klass->image->assembly;
1501 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1503 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1505 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1507 return mono_assembly_has_skip_verification (assembly);
1511 * mini_method_verify:
1513 * Verify the method using the new verfier.
1515 * Returns true if the method is invalid.
1518 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1521 gboolean is_fulltrust;
1522 MonoLoaderError *error;
1524 if (method->verification_success)
1527 if (!mono_verifier_is_enabled_for_method (method))
1530 /*skip verification implies the assembly must be */
1531 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1533 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1535 if ((error = mono_loader_get_last_error ())) {
1537 cfg->exception_type = error->exception_type;
1539 mono_loader_clear_error ();
1541 mono_free_verify_list (res);
1546 for (tmp = res; tmp; tmp = tmp->next) {
1547 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1548 if (info->info.status == MONO_VERIFY_ERROR) {
1550 char *method_name = mono_method_full_name (method, TRUE);
1551 cfg->exception_type = info->exception_type;
1552 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1553 g_free (method_name);
1555 mono_free_verify_list (res);
1558 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1560 char *method_name = mono_method_full_name (method, TRUE);
1561 cfg->exception_type = info->exception_type;
1562 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1563 g_free (method_name);
1565 mono_free_verify_list (res);
1569 mono_free_verify_list (res);
1571 method->verification_success = 1;
1575 /*Returns true if something went wrong*/
1577 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1579 MonoMethod *method_definition = method;
1580 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1582 while (method_definition->is_inflated) {
1583 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1584 method_definition = imethod->declaring;
1587 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1590 static gconstpointer
1591 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1594 MonoMethod *wrapper;
1595 gconstpointer trampoline;
1596 MonoDomain *domain = mono_get_root_domain ();
1598 if (callinfo->wrapper) {
1599 return callinfo->wrapper;
1602 if (callinfo->trampoline)
1603 return callinfo->trampoline;
1606 * We use the lock on the root domain instead of the JIT lock to protect
1607 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1609 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1610 mono_domain_lock (domain);
1612 if (callinfo->trampoline) {
1613 mono_domain_unlock (domain);
1614 mono_loader_unlock ();
1615 return callinfo->trampoline;
1618 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1619 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1623 trampoline = mono_compile_method (wrapper);
1625 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1626 mono_register_jit_icall_wrapper (callinfo, trampoline);
1628 callinfo->trampoline = trampoline;
1630 mono_domain_unlock (domain);
1631 mono_loader_unlock ();
1633 return callinfo->trampoline;
1637 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1639 return mono_icall_get_wrapper_full (callinfo, FALSE);
1643 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1645 if (!domain_jit_info (domain)->dynamic_code_hash)
1646 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1647 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1650 static MonoJitDynamicMethodInfo*
1651 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1653 MonoJitDynamicMethodInfo *res;
1655 if (domain_jit_info (domain)->dynamic_code_hash)
1656 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1664 GList *active, *inactive;
1669 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1671 MonoMethodVar *v1 = (MonoMethodVar*)a;
1672 MonoMethodVar *v2 = (MonoMethodVar*)b;
1676 else if (v1->interval->range && v2->interval->range)
1677 return v1->interval->range->from - v2->interval->range->from;
1678 else if (v1->interval->range)
1687 #define LSCAN_DEBUG(a) do { a; } while (0)
1689 #define LSCAN_DEBUG(a)
1693 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1695 int i, slot, offset, size;
1700 GList *vars = NULL, *l, *unhandled;
1701 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1704 gboolean reuse_slot;
1706 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1708 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1709 vtype_stack_slots = NULL;
1712 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1713 for (i = 0; i < cfg->num_varinfo; ++i)
1716 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1717 inst = cfg->varinfo [i];
1718 vmv = MONO_VARINFO (cfg, i);
1720 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1723 vars = g_list_prepend (vars, vmv);
1726 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1731 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1732 MonoMethodVar *current = unhandled->data;
1734 if (current->interval->range) {
1735 g_assert (current->interval->range->from >= i);
1736 i = current->interval->range->from;
1743 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1744 MonoMethodVar *current = unhandled->data;
1747 inst = cfg->varinfo [vmv->idx];
1749 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1750 * pinvoke wrappers when they call functions returning structures */
1751 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1752 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1757 size = mono_type_size (inst->inst_vtype, &ialign);
1760 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1765 if (cfg->disable_reuse_stack_slots)
1768 t = mono_type_get_underlying_type (inst->inst_vtype);
1770 case MONO_TYPE_GENERICINST:
1771 if (!mono_type_generic_inst_is_valuetype (t)) {
1772 slot_info = &scalar_stack_slots [t->type];
1776 case MONO_TYPE_VALUETYPE:
1777 if (!vtype_stack_slots)
1778 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1779 for (i = 0; i < nvtypes; ++i)
1780 if (t->data.klass == vtype_stack_slots [i].vtype)
1783 slot_info = &vtype_stack_slots [i];
1785 g_assert (nvtypes < 256);
1786 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1787 slot_info = &vtype_stack_slots [nvtypes];
1790 if (cfg->disable_reuse_ref_stack_slots)
1797 #if SIZEOF_VOID_P == 4
1802 if (cfg->disable_ref_noref_stack_slot_share) {
1803 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1808 case MONO_TYPE_CLASS:
1809 case MONO_TYPE_OBJECT:
1810 case MONO_TYPE_ARRAY:
1811 case MONO_TYPE_SZARRAY:
1812 case MONO_TYPE_STRING:
1813 /* Share non-float stack slots of the same size */
1814 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1815 if (cfg->disable_reuse_ref_stack_slots)
1820 slot_info = &scalar_stack_slots [t->type];
1824 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1828 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1830 if (!current->interval->range) {
1831 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1835 inst->flags |= MONO_INST_IS_DEAD;
1840 pos = current->interval->range->from;
1842 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1843 if (current->interval->range)
1844 LSCAN_DEBUG (mono_linterval_print (current->interval));
1845 LSCAN_DEBUG (printf ("\n"));
1847 /* Check for intervals in active which expired or inactive */
1849 /* FIXME: Optimize this */
1852 for (l = slot_info->active; l != NULL; l = l->next) {
1853 MonoMethodVar *v = (MonoMethodVar*)l->data;
1855 if (v->interval->last_range->to < pos) {
1856 slot_info->active = g_list_delete_link (slot_info->active, l);
1857 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1858 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1862 else if (!mono_linterval_covers (v->interval, pos)) {
1863 slot_info->inactive = g_list_append (slot_info->inactive, v);
1864 slot_info->active = g_list_delete_link (slot_info->active, l);
1865 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1872 /* Check for intervals in inactive which expired or active */
1874 /* FIXME: Optimize this */
1877 for (l = slot_info->inactive; l != NULL; l = l->next) {
1878 MonoMethodVar *v = (MonoMethodVar*)l->data;
1880 if (v->interval->last_range->to < pos) {
1881 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1882 // FIXME: Enabling this seems to cause impossible to debug crashes
1883 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1884 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1888 else if (mono_linterval_covers (v->interval, pos)) {
1889 slot_info->active = g_list_append (slot_info->active, v);
1890 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1891 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1899 * This also handles the case when the variable is used in an
1900 * exception region, as liveness info is not computed there.
1903 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1906 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1907 if (slot_info->slots) {
1908 slot = GPOINTER_TO_INT (slot_info->slots->data);
1910 slot_info->slots = slot_info->slots->next;
1913 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1915 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1921 static int count = 0;
1924 if (count == atoi (getenv ("COUNT3")))
1925 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1926 if (count > atoi (getenv ("COUNT3")))
1929 mono_print_ins (inst);
1934 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1936 if (inst->flags & MONO_INST_LMF) {
1937 size = sizeof (MonoLMF);
1938 align = sizeof (mgreg_t);
1945 if (slot == 0xffffff) {
1947 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1948 * efficient copying (and to work around the fact that OP_MEMCPY
1949 * and OP_MEMSET ignores alignment).
1951 if (MONO_TYPE_ISSTRUCT (t)) {
1952 align = MAX (align, sizeof (gpointer));
1953 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1958 offset += align - 1;
1959 offset &= ~(align - 1);
1963 offset += align - 1;
1964 offset &= ~(align - 1);
1969 if (*stack_align == 0)
1970 *stack_align = align;
1973 offsets [vmv->idx] = slot;
1976 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1977 if (scalar_stack_slots [i].active)
1978 g_list_free (scalar_stack_slots [i].active);
1980 for (i = 0; i < nvtypes; ++i) {
1981 if (vtype_stack_slots [i].active)
1982 g_list_free (vtype_stack_slots [i].active);
1985 cfg->stat_locals_stack_size += offset;
1987 *stack_size = offset;
1992 * mono_allocate_stack_slots:
1994 * Allocate stack slots for all non register allocated variables using a
1995 * linear scan algorithm.
1996 * Returns: an array of stack offsets.
1997 * STACK_SIZE is set to the amount of stack space needed.
1998 * STACK_ALIGN is set to the alignment needed by the locals area.
2001 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2003 int i, slot, offset, size;
2008 GList *vars = NULL, *l;
2009 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2012 gboolean reuse_slot;
2014 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2015 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2017 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2018 vtype_stack_slots = NULL;
2021 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2022 for (i = 0; i < cfg->num_varinfo; ++i)
2025 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2026 inst = cfg->varinfo [i];
2027 vmv = MONO_VARINFO (cfg, i);
2029 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2032 vars = g_list_prepend (vars, vmv);
2035 vars = mono_varlist_sort (cfg, vars, 0);
2037 *stack_align = sizeof(mgreg_t);
2038 for (l = vars; l; l = l->next) {
2040 inst = cfg->varinfo [vmv->idx];
2042 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2043 * pinvoke wrappers when they call functions returning structures */
2044 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
2045 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
2049 size = mono_type_size (inst->inst_vtype, &ialign);
2052 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
2057 if (cfg->disable_reuse_stack_slots)
2060 t = mono_type_get_underlying_type (inst->inst_vtype);
2062 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2065 case MONO_TYPE_GENERICINST:
2066 if (!mono_type_generic_inst_is_valuetype (t)) {
2067 slot_info = &scalar_stack_slots [t->type];
2071 case MONO_TYPE_VALUETYPE:
2072 if (!vtype_stack_slots)
2073 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2074 for (i = 0; i < nvtypes; ++i)
2075 if (t->data.klass == vtype_stack_slots [i].vtype)
2078 slot_info = &vtype_stack_slots [i];
2080 g_assert (nvtypes < 256);
2081 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2082 slot_info = &vtype_stack_slots [nvtypes];
2085 if (cfg->disable_reuse_ref_stack_slots)
2092 #if SIZEOF_VOID_P == 4
2097 if (cfg->disable_ref_noref_stack_slot_share) {
2098 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2103 case MONO_TYPE_CLASS:
2104 case MONO_TYPE_OBJECT:
2105 case MONO_TYPE_ARRAY:
2106 case MONO_TYPE_SZARRAY:
2107 case MONO_TYPE_STRING:
2108 /* Share non-float stack slots of the same size */
2109 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2110 if (cfg->disable_reuse_ref_stack_slots)
2115 slot_info = &scalar_stack_slots [t->type];
2120 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2121 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2123 /* expire old intervals in active */
2124 while (slot_info->active) {
2125 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2127 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2130 //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);
2132 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2133 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2137 * This also handles the case when the variable is used in an
2138 * exception region, as liveness info is not computed there.
2141 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2144 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2145 if (slot_info->slots) {
2146 slot = GPOINTER_TO_INT (slot_info->slots->data);
2148 slot_info->slots = slot_info->slots->next;
2151 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2156 static int count = 0;
2160 if (count == atoi (getenv ("COUNT")))
2161 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2162 if (count > atoi (getenv ("COUNT")))
2165 mono_print_ins (inst);
2170 if (inst->flags & MONO_INST_LMF) {
2172 * This variable represents a MonoLMF structure, which has no corresponding
2173 * CLR type, so hard-code its size/alignment.
2175 size = sizeof (MonoLMF);
2176 align = sizeof (mgreg_t);
2183 if (slot == 0xffffff) {
2185 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2186 * efficient copying (and to work around the fact that OP_MEMCPY
2187 * and OP_MEMSET ignores alignment).
2189 if (MONO_TYPE_ISSTRUCT (t)) {
2190 align = MAX (align, sizeof (gpointer));
2191 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2193 * Align the size too so the code generated for passing vtypes in
2194 * registers doesn't overwrite random locals.
2196 size = (size + (align - 1)) & ~(align -1);
2201 offset += align - 1;
2202 offset &= ~(align - 1);
2206 offset += align - 1;
2207 offset &= ~(align - 1);
2212 *stack_align = MAX (*stack_align, align);
2215 offsets [vmv->idx] = slot;
2218 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2219 if (scalar_stack_slots [i].active)
2220 g_list_free (scalar_stack_slots [i].active);
2222 for (i = 0; i < nvtypes; ++i) {
2223 if (vtype_stack_slots [i].active)
2224 g_list_free (vtype_stack_slots [i].active);
2227 cfg->stat_locals_stack_size += offset;
2229 *stack_size = offset;
2236 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2238 g_assert_not_reached ();
2242 #endif /* DISABLE_JIT */
2244 #define EMUL_HIT_SHIFT 3
2245 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2246 /* small hit bitmap cache */
2247 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2248 static short emul_opcode_num = 0;
2249 static short emul_opcode_alloced = 0;
2250 static short *emul_opcode_opcodes = NULL;
2251 static MonoJitICallInfo **emul_opcode_map = NULL;
2254 mono_find_jit_opcode_emulation (int opcode)
2256 g_assert (opcode >= 0 && opcode <= OP_LAST);
2257 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2259 for (i = 0; i < emul_opcode_num; ++i) {
2260 if (emul_opcode_opcodes [i] == opcode)
2261 return emul_opcode_map [i];
2268 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
2270 MonoJitICallInfo *info;
2271 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2273 g_assert (!sig->hasthis);
2274 g_assert (sig->param_count < 3);
2276 info = mono_register_jit_icall (func, name, sig, no_throw);
2278 if (emul_opcode_num >= emul_opcode_alloced) {
2279 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2280 emul_opcode_alloced += incr;
2281 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2282 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2284 emul_opcode_map [emul_opcode_num] = info;
2285 emul_opcode_opcodes [emul_opcode_num] = opcode;
2287 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2291 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2293 MonoMethodSignature *sig;
2296 sig = mono_create_icall_signature (sigstr);
2300 mono_register_jit_icall (func, name, sig, save);
2304 print_dfn (MonoCompile *cfg) {
2311 char *method_name = mono_method_full_name (cfg->method, TRUE);
2312 g_print ("IR code for method %s\n", method_name);
2313 g_free (method_name);
2316 for (i = 0; i < cfg->num_bblocks; ++i) {
2317 bb = cfg->bblocks [i];
2318 /*if (bb->cil_code) {
2319 char* code1, *code2;
2320 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2321 if (bb->last_ins->cil_code)
2322 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2324 code2 = g_strdup ("");
2326 code1 [strlen (code1) - 1] = 0;
2327 code = g_strdup_printf ("%s -> %s", code1, code2);
2331 code = g_strdup ("\n");
2332 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2333 MONO_BB_FOR_EACH_INS (bb, c) {
2334 mono_print_ins_index (-1, c);
2337 g_print ("\tprev:");
2338 for (j = 0; j < bb->in_count; ++j) {
2339 g_print (" BB%d", bb->in_bb [j]->block_num);
2341 g_print ("\t\tsucc:");
2342 for (j = 0; j < bb->out_count; ++j) {
2343 g_print (" BB%d", bb->out_bb [j]->block_num);
2345 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2348 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2351 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2353 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2361 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2363 MONO_ADD_INS (bb, inst);
2367 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2371 bb->code = ins_to_insert;
2373 /* Link with next */
2374 ins_to_insert->next = ins;
2376 ins->prev = ins_to_insert;
2378 if (bb->last_ins == NULL)
2379 bb->last_ins = ins_to_insert;
2381 /* Link with next */
2382 ins_to_insert->next = ins->next;
2384 ins->next->prev = ins_to_insert;
2386 /* Link with previous */
2387 ins->next = ins_to_insert;
2388 ins_to_insert->prev = ins;
2390 if (bb->last_ins == ins)
2391 bb->last_ins = ins_to_insert;
2396 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2401 ins->prev = ins_to_insert;
2402 bb->code = ins_to_insert;
2403 ins_to_insert->next = ins;
2404 if (bb->last_ins == NULL)
2405 bb->last_ins = ins_to_insert;
2407 /* Link with previous */
2409 ins->prev->next = ins_to_insert;
2410 ins_to_insert->prev = ins->prev;
2412 /* Link with next */
2413 ins->prev = ins_to_insert;
2414 ins_to_insert->next = ins;
2416 if (bb->code == ins)
2417 bb->code = ins_to_insert;
2422 * mono_verify_bblock:
2424 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2427 mono_verify_bblock (MonoBasicBlock *bb)
2429 MonoInst *ins, *prev;
2432 for (ins = bb->code; ins; ins = ins->next) {
2433 g_assert (ins->prev == prev);
2437 g_assert (!bb->last_ins->next);
2443 * Perform consistency checks on the JIT data structures and the IR
2446 mono_verify_cfg (MonoCompile *cfg)
2450 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2451 mono_verify_bblock (bb);
2455 mono_destroy_compile (MonoCompile *cfg)
2460 mono_metadata_free_mh (cfg->header);
2461 //mono_mempool_stats (cfg->mempool);
2462 mono_free_loop_info (cfg);
2464 mono_regstate_free (cfg->rs);
2466 g_hash_table_destroy (cfg->spvars);
2468 g_hash_table_destroy (cfg->exvars);
2469 for (l = cfg->headers_to_free; l; l = l->next)
2470 mono_metadata_free_mh (l->data);
2471 g_list_free (cfg->ldstr_list);
2472 g_hash_table_destroy (cfg->token_info_hash);
2473 if (cfg->abs_patches)
2474 g_hash_table_destroy (cfg->abs_patches);
2475 mono_mempool_destroy (cfg->mempool);
2477 mono_debug_free_method (cfg);
2479 g_free (cfg->varinfo);
2481 g_free (cfg->exception_message);
2485 #ifdef MONO_HAVE_FAST_TLS
2486 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2487 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2489 * When this is defined, the current lmf is stored in this tls variable instead of in
2492 MONO_FAST_TLS_DECLARE(mono_lmf);
2497 mono_get_jit_tls_key (void)
2499 return mono_jit_tls_id;
2503 mono_get_jit_tls_offset (void)
2506 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2511 mono_get_lmf_tls_offset (void)
2513 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2515 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2523 mono_get_lmf_addr_tls_offset (void)
2526 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2533 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2534 return MONO_FAST_TLS_GET (mono_lmf);
2536 MonoJitTlsData *jit_tls;
2538 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2539 return jit_tls->lmf;
2541 * We do not assert here because this function can be called from
2542 * mini-gc.c on a thread that has not executed any managed code, yet
2543 * (the thread object allocation can trigger a collection).
2550 mono_get_lmf_addr (void)
2552 #ifdef MONO_HAVE_FAST_TLS
2553 return MONO_FAST_TLS_GET (mono_lmf_addr);
2555 MonoJitTlsData *jit_tls;
2557 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2558 return &jit_tls->lmf;
2561 * When resolving the call to mono_jit_thread_attach full-aot will look
2562 * in the plt, which causes a call into the generic trampoline, which in turn
2563 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2564 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2565 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2568 mono_jit_thread_attach (NULL);
2570 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2571 return &jit_tls->lmf;
2573 g_assert_not_reached ();
2579 mono_set_lmf (MonoLMF *lmf)
2581 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2582 MONO_FAST_TLS_SET (mono_lmf, lmf);
2585 (*mono_get_lmf_addr ()) = lmf;
2589 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2591 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2593 #ifdef MONO_HAVE_FAST_TLS
2594 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2599 mono_set_lmf_addr (gpointer lmf_addr)
2601 #ifdef MONO_HAVE_FAST_TLS
2602 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2607 * mono_jit_thread_attach:
2609 * Called by native->managed wrappers. Returns the original domain which needs to be
2610 * restored, or NULL.
2613 mono_jit_thread_attach (MonoDomain *domain)
2619 * Happens when called from AOTed code which is only used in the root
2622 domain = mono_get_root_domain ();
2624 #ifdef MONO_HAVE_FAST_TLS
2625 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2626 mono_thread_attach (domain);
2628 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2631 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2632 mono_thread_attach (domain);
2633 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2636 orig = mono_domain_get ();
2638 mono_domain_set (domain, TRUE);
2640 return orig != domain ? orig : NULL;
2643 /* Called by native->managed wrappers */
2645 mono_jit_set_domain (MonoDomain *domain)
2648 mono_domain_set (domain, TRUE);
2652 * mono_thread_abort:
2653 * @obj: exception object
2655 * abort the thread, print exception information and stack trace
2658 mono_thread_abort (MonoObject *obj)
2660 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2662 /* handle_remove should be eventually called for this thread, too
2665 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2666 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2667 mono_thread_exit ();
2669 mono_invoke_unhandled_exception_hook (obj);
2674 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2676 MonoJitTlsData *jit_tls;
2679 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2683 jit_tls = g_new0 (MonoJitTlsData, 1);
2685 jit_tls->abort_func = abort_func;
2686 jit_tls->end_of_stack = stack_start;
2688 mono_set_jit_tls (jit_tls);
2690 lmf = g_new0 (MonoLMF, 1);
2691 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2693 jit_tls->first_lmf = lmf;
2695 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2696 /* jit_tls->lmf is unused */
2697 MONO_FAST_TLS_SET (mono_lmf, lmf);
2698 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2700 mono_set_lmf_addr (&jit_tls->lmf);
2705 mono_setup_altstack (jit_tls);
2711 free_jit_tls_data (MonoJitTlsData *jit_tls)
2713 mono_arch_free_jit_tls_data (jit_tls);
2714 mono_free_altstack (jit_tls);
2716 g_free (jit_tls->first_lmf);
2721 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2723 MonoInternalThread *thread;
2724 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2725 thread = mono_thread_internal_current ();
2726 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2728 thread->jit_data = jit_tls;
2730 mono_arch_cpu_init ();
2733 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2736 mono_thread_abort_dummy (MonoObject *obj)
2738 if (mono_thread_attach_aborted_cb)
2739 mono_thread_attach_aborted_cb (obj);
2741 mono_thread_abort (obj);
2745 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2747 MonoInternalThread *thread;
2748 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2749 thread = mono_thread_internal_current ();
2750 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2752 thread->jit_data = jit_tls;
2753 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2754 mono_runtime_setup_stat_profiler ();
2756 mono_arch_cpu_init ();
2760 mini_thread_cleanup (MonoInternalThread *thread)
2762 MonoJitTlsData *jit_tls = thread->jit_data;
2765 mono_debugger_thread_cleanup (jit_tls);
2767 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2768 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2769 * not a trivial thing.
2771 * The current offender is mono_thread_manage which cleanup threads from the outside.
2773 if (thread == mono_thread_internal_current ())
2774 mono_set_jit_tls (NULL);
2776 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2777 if (mono_get_lmf ()) {
2778 mono_set_lmf (NULL);
2779 mono_set_lmf_addr (NULL);
2782 free_jit_tls_data (jit_tls);
2784 thread->jit_data = NULL;
2789 mono_create_tls_get (MonoCompile *cfg, int offset)
2791 #ifdef MONO_ARCH_HAVE_TLS_GET
2792 if (MONO_ARCH_HAVE_TLS_GET) {
2798 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2799 ins->dreg = mono_alloc_preg (cfg);
2800 ins->inst_offset = offset;
2808 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2810 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2814 mono_get_domain_intrinsic (MonoCompile* cfg)
2816 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2820 mono_get_thread_intrinsic (MonoCompile* cfg)
2822 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2826 mono_get_lmf_intrinsic (MonoCompile* cfg)
2828 return mono_create_tls_get (cfg, mono_get_lmf_tls_offset ());
2832 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2834 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2838 ji->data.target = target;
2839 ji->next = cfg->patch_info;
2841 cfg->patch_info = ji;
2845 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2847 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2851 ji->data.target = target;
2858 mono_remove_patch_info (MonoCompile *cfg, int ip)
2860 MonoJumpInfo **ji = &cfg->patch_info;
2863 if ((*ji)->ip.i == ip)
2866 ji = &((*ji)->next);
2871 * mono_patch_info_dup_mp:
2873 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2876 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2878 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2879 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2881 switch (patch_info->type) {
2882 case MONO_PATCH_INFO_RVA:
2883 case MONO_PATCH_INFO_LDSTR:
2884 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2885 case MONO_PATCH_INFO_LDTOKEN:
2886 case MONO_PATCH_INFO_DECLSEC:
2887 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2888 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2890 case MONO_PATCH_INFO_SWITCH:
2891 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2892 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2893 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2894 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2896 case MONO_PATCH_INFO_RGCTX_FETCH:
2897 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2898 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2899 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2909 mono_patch_info_hash (gconstpointer data)
2911 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2914 case MONO_PATCH_INFO_RVA:
2915 case MONO_PATCH_INFO_LDSTR:
2916 case MONO_PATCH_INFO_LDTOKEN:
2917 case MONO_PATCH_INFO_DECLSEC:
2918 return (ji->type << 8) | ji->data.token->token;
2919 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2920 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
2921 case MONO_PATCH_INFO_INTERNAL_METHOD:
2922 return (ji->type << 8) | g_str_hash (ji->data.name);
2923 case MONO_PATCH_INFO_VTABLE:
2924 case MONO_PATCH_INFO_CLASS:
2925 case MONO_PATCH_INFO_IID:
2926 case MONO_PATCH_INFO_ADJUSTED_IID:
2927 case MONO_PATCH_INFO_CLASS_INIT:
2928 case MONO_PATCH_INFO_METHODCONST:
2929 case MONO_PATCH_INFO_METHOD:
2930 case MONO_PATCH_INFO_METHOD_JUMP:
2931 case MONO_PATCH_INFO_IMAGE:
2932 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2933 case MONO_PATCH_INFO_FIELD:
2934 case MONO_PATCH_INFO_SFLDA:
2935 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2936 return (ji->type << 8) | (gssize)ji->data.target;
2938 return (ji->type << 8);
2943 * mono_patch_info_equal:
2945 * This might fail to recognize equivalent patches, i.e. floats, so its only
2946 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2950 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2952 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2953 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2955 if (ji1->type != ji2->type)
2958 switch (ji1->type) {
2959 case MONO_PATCH_INFO_RVA:
2960 case MONO_PATCH_INFO_LDSTR:
2961 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2962 case MONO_PATCH_INFO_LDTOKEN:
2963 case MONO_PATCH_INFO_DECLSEC:
2964 if ((ji1->data.token->image != ji2->data.token->image) ||
2965 (ji1->data.token->token != ji2->data.token->token) ||
2966 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2967 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2968 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2971 case MONO_PATCH_INFO_INTERNAL_METHOD:
2972 return g_str_equal (ji1->data.name, ji2->data.name);
2974 case MONO_PATCH_INFO_RGCTX_FETCH: {
2975 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2976 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2978 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);
2981 if (ji1->data.target != ji2->data.target)
2990 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2992 unsigned char *ip = patch_info->ip.i + code;
2993 gconstpointer target = NULL;
2995 switch (patch_info->type) {
2996 case MONO_PATCH_INFO_BB:
2998 * FIXME: This could be hit for methods without a prolog. Should use -1
2999 * but too much code depends on a 0 initial value.
3001 //g_assert (patch_info->data.bb->native_offset);
3002 target = patch_info->data.bb->native_offset + code;
3004 case MONO_PATCH_INFO_ABS:
3005 target = patch_info->data.target;
3007 case MONO_PATCH_INFO_LABEL:
3008 target = patch_info->data.inst->inst_c0 + code;
3010 case MONO_PATCH_INFO_IP:
3011 #if defined(__native_client__) && defined(__native_client_codegen__)
3012 /* Need to transform to the destination address, it's */
3013 /* emitted as an immediate in the code. */
3014 target = nacl_inverse_modify_patch_target(ip);
3019 case MONO_PATCH_INFO_METHOD_REL:
3020 target = code + patch_info->data.offset;
3022 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3023 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3025 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3026 g_assert_not_reached ();
3028 target = mono_icall_get_wrapper (mi);
3031 case MONO_PATCH_INFO_METHOD_JUMP:
3032 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3033 #if defined(__native_client__) && defined(__native_client_codegen__)
3034 #if defined(TARGET_AMD64)
3035 /* This target is an absolute address, not relative to the */
3036 /* current code being emitted on AMD64. */
3037 target = nacl_inverse_modify_patch_target(target);
3041 case MONO_PATCH_INFO_METHOD:
3042 if (patch_info->data.method == method) {
3045 /* get the trampoline to the method from the domain */
3046 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3049 case MONO_PATCH_INFO_SWITCH: {
3050 gpointer *jump_table;
3053 #if defined(__native_client__) && defined(__native_client_codegen__)
3054 /* This memory will leak, but we don't care if we're */
3055 /* not deleting JIT'd methods anyway */
3056 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3058 if (method && method->dynamic) {
3059 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3061 if (mono_aot_only) {
3062 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3064 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3069 for (i = 0; i < patch_info->data.table->table_size; i++) {
3070 #if defined(__native_client__) && defined(__native_client_codegen__)
3071 /* 'code' is relative to the current code blob, we */
3072 /* need to do this transform on it to make the */
3073 /* pointers in this table absolute */
3074 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3076 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3080 #if defined(__native_client__) && defined(__native_client_codegen__)
3081 /* jump_table is in the data section, we need to transform */
3082 /* it here so when it gets modified in amd64_patch it will */
3083 /* then point back to the absolute data address */
3084 target = nacl_inverse_modify_patch_target (jump_table);
3086 target = jump_table;
3090 case MONO_PATCH_INFO_METHODCONST:
3091 case MONO_PATCH_INFO_CLASS:
3092 case MONO_PATCH_INFO_IMAGE:
3093 case MONO_PATCH_INFO_FIELD:
3094 case MONO_PATCH_INFO_SIGNATURE:
3095 target = patch_info->data.target;
3097 case MONO_PATCH_INFO_IID:
3098 mono_class_init (patch_info->data.klass);
3099 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3101 case MONO_PATCH_INFO_ADJUSTED_IID:
3102 mono_class_init (patch_info->data.klass);
3103 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3105 case MONO_PATCH_INFO_VTABLE:
3106 target = mono_class_vtable (domain, patch_info->data.klass);
3109 case MONO_PATCH_INFO_CLASS_INIT: {
3110 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3113 target = mono_create_class_init_trampoline (vtable);
3116 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3117 target = mono_create_delegate_trampoline (domain, patch_info->data.klass);
3119 case MONO_PATCH_INFO_SFLDA: {
3120 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3122 if (mono_class_field_is_special_static (patch_info->data.field)) {
3123 gpointer addr = NULL;
3125 mono_domain_lock (domain);
3126 if (domain->special_static_fields)
3127 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3128 mono_domain_unlock (domain);
3134 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3135 /* Done by the generated code */
3139 mono_runtime_class_init (vtable);
3141 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3144 case MONO_PATCH_INFO_RVA: {
3145 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3148 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3149 target = mono_image_rva_map (patch_info->data.token->image, rva);
3152 case MONO_PATCH_INFO_R4:
3153 case MONO_PATCH_INFO_R8:
3154 target = patch_info->data.target;
3156 case MONO_PATCH_INFO_EXC_NAME:
3157 target = patch_info->data.name;
3159 case MONO_PATCH_INFO_LDSTR:
3161 mono_ldstr (domain, patch_info->data.token->image,
3162 mono_metadata_token_index (patch_info->data.token->token));
3164 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3166 MonoClass *handle_class;
3168 handle = mono_ldtoken (patch_info->data.token->image,
3169 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3170 mono_class_init (handle_class);
3171 mono_class_init (mono_class_from_mono_type (handle));
3174 mono_type_get_object (domain, handle);
3177 case MONO_PATCH_INFO_LDTOKEN: {
3179 MonoClass *handle_class;
3181 handle = mono_ldtoken (patch_info->data.token->image,
3182 patch_info->data.token->token, &handle_class, NULL);
3183 mono_class_init (handle_class);
3188 case MONO_PATCH_INFO_DECLSEC:
3189 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3191 case MONO_PATCH_INFO_ICALL_ADDR:
3192 /* run_cctors == 0 -> AOT */
3193 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3194 const char *exc_class;
3195 const char *exc_arg;
3198 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3201 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3202 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));
3208 target = mono_lookup_internal_call (patch_info->data.method);
3210 if (!target && run_cctors)
3211 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3214 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3215 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3217 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3218 g_assert_not_reached ();
3223 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3224 target = mono_thread_interruption_request_flag ();
3226 case MONO_PATCH_INFO_METHOD_RGCTX: {
3227 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3230 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3233 case MONO_PATCH_INFO_BB_OVF:
3234 case MONO_PATCH_INFO_EXC_OVF:
3235 case MONO_PATCH_INFO_GOT_OFFSET:
3236 case MONO_PATCH_INFO_NONE:
3238 case MONO_PATCH_INFO_RGCTX_FETCH: {
3239 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3242 switch (entry->data->type) {
3243 case MONO_PATCH_INFO_CLASS:
3244 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method));
3246 case MONO_PATCH_INFO_METHOD:
3247 case MONO_PATCH_INFO_METHODCONST:
3248 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method));
3250 case MONO_PATCH_INFO_FIELD:
3251 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method));
3254 g_assert_not_reached ();
3258 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3261 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3262 target = mono_create_generic_class_init_trampoline ();
3264 case MONO_PATCH_INFO_MONITOR_ENTER:
3265 target = mono_create_monitor_enter_trampoline ();
3267 case MONO_PATCH_INFO_MONITOR_EXIT:
3268 target = mono_create_monitor_exit_trampoline ();
3270 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3271 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3273 /* AOT, not needed */
3276 target = mono_arch_get_seq_point_info (domain, code);
3279 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3280 #ifdef MONO_ARCH_LLVM_SUPPORTED
3281 g_assert (mono_use_llvm);
3282 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3284 g_assert_not_reached ();
3287 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3288 int card_table_shift_bits;
3289 gpointer card_table_mask;
3291 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3294 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3295 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3299 g_assert_not_reached ();
3302 return (gpointer)target;
3306 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3308 ins->inst_offset = native_offset;
3309 g_ptr_array_add (cfg->seq_points, ins);
3310 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3311 bb->last_seq_point = ins;
3315 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3317 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3320 g_assert (offset == 0);
3322 entry->is_reg = is_reg;
3324 entry->offset = offset;
3328 if (var == cfg->args [0])
3329 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3330 else if (var == cfg->rgctx_var)
3331 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3337 mono_compile_create_vars (MonoCompile *cfg)
3339 MonoMethodSignature *sig;
3340 MonoMethodHeader *header;
3343 header = cfg->header;
3345 sig = mono_method_signature (cfg->method);
3347 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3348 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3349 /* Inhibit optimizations */
3350 cfg->ret->flags |= MONO_INST_VOLATILE;
3352 if (cfg->verbose_level > 2)
3353 g_print ("creating vars\n");
3355 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3358 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3360 for (i = 0; i < sig->param_count; ++i) {
3361 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3364 if (cfg->verbose_level > 2) {
3366 printf ("\treturn : ");
3367 mono_print_ins (cfg->ret);
3371 printf ("\tthis: ");
3372 mono_print_ins (cfg->args [0]);
3375 for (i = 0; i < sig->param_count; ++i) {
3376 printf ("\targ [%d]: ", i);
3377 mono_print_ins (cfg->args [i + sig->hasthis]);
3381 cfg->locals_start = cfg->num_varinfo;
3382 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3384 if (cfg->verbose_level > 2)
3385 g_print ("creating locals\n");
3387 for (i = 0; i < header->num_locals; ++i)
3388 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3390 if (cfg->verbose_level > 2)
3391 g_print ("locals done\n");
3393 mono_arch_create_vars (cfg);
3396 #endif /* #ifndef DISABLE_JIT */
3399 mono_print_code (MonoCompile *cfg, const char* msg)
3403 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3404 mono_print_bb (bb, msg);
3410 mono_postprocess_patches (MonoCompile *cfg)
3412 MonoJumpInfo *patch_info;
3415 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3416 switch (patch_info->type) {
3417 case MONO_PATCH_INFO_ABS: {
3418 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3421 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3425 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3426 // FIXME: CLEAN UP THIS MESS.
3427 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
3428 strstr (cfg->method->name, info->name)) {
3430 * This is an icall wrapper, and this is a call to the
3433 if (cfg->compile_aot) {
3434 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
3435 patch_info->data.name = info->name;
3438 /* for these array methods we currently register the same function pointer
3439 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3440 * will return the incorrect one depending on the order they are registered.
3441 * See tests/test-arr.cs
3443 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3444 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3445 patch_info->data.name = info->name;
3450 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3451 if (cfg->abs_patches) {
3452 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3454 patch_info->type = abs_ji->type;
3455 patch_info->data.target = abs_ji->data.target;
3462 case MONO_PATCH_INFO_SWITCH: {
3464 #if defined(__native_client__) && defined(__native_client_codegen__)
3465 /* This memory will leak. */
3466 /* TODO: can we free this when */
3467 /* making the final jump table? */
3468 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3470 if (cfg->method->dynamic) {
3471 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3473 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3477 for (i = 0; i < patch_info->data.table->table_size; i++) {
3478 /* Might be NULL if the switch is eliminated */
3479 if (patch_info->data.table->table [i]) {
3480 g_assert (patch_info->data.table->table [i]->native_offset);
3481 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3486 patch_info->data.table->table = (MonoBasicBlock**)table;
3489 case MONO_PATCH_INFO_METHOD_JUMP: {
3490 MonoJumpList *jlist;
3491 MonoDomain *domain = cfg->domain;
3492 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3493 #if defined(__native_client__) && defined(__native_client_codegen__)
3494 /* When this jump target gets evaluated, the method */
3495 /* will be installed in the dynamic code section, */
3496 /* not at the location of cfg->native_code. */
3497 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3500 mono_domain_lock (domain);
3501 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3503 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3504 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3506 jlist->list = g_slist_prepend (jlist->list, ip);
3507 mono_domain_unlock (domain);
3518 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3521 MonoBasicBlock *in_bb;
3524 for (i = 0; i < bb->in_count; ++i) {
3525 in_bb = bb->in_bb [i];
3527 if (in_bb->last_seq_point) {
3528 int src_index = in_bb->last_seq_point->backend.size;
3529 int dst_index = ins->backend.size;
3531 /* bb->in_bb might contain duplicates */
3532 for (l = next [src_index]; l; l = l->next)
3533 if (GPOINTER_TO_UINT (l->data) == dst_index)
3536 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
3538 /* Have to look at its predecessors */
3540 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3546 mono_save_seq_point_info (MonoCompile *cfg)
3549 GSList *bb_seq_points, *l;
3551 MonoDomain *domain = cfg->domain;
3553 MonoSeqPointInfo *info;
3556 if (!cfg->seq_points)
3559 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3560 info->len = cfg->seq_points->len;
3561 for (i = 0; i < cfg->seq_points->len; ++i) {
3562 SeqPoint *sp = &info->seq_points [i];
3563 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3565 sp->il_offset = ins->inst_imm;
3566 sp->native_offset = ins->inst_offset;
3569 ins->backend.size = i;
3573 * For each sequence point, compute the list of sequence points immediately
3574 * following it, this is needed to implement 'step over' in the debugger agent.
3576 next = g_new0 (GSList*, cfg->seq_points->len);
3577 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3578 bb_seq_points = g_slist_reverse (bb->seq_points);
3580 for (l = bb_seq_points; l; l = l->next) {
3581 MonoInst *ins = l->data;
3583 if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
3584 /* Used to implement method entry/exit events */
3588 /* Link with the previous seq point in the same bb */
3589 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3591 /* Link with the last bb in the previous bblocks */
3592 collect_pred_seq_points (bb, ins, next, 0);
3598 if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY) {
3599 MonoBasicBlock *bb2;
3600 MonoInst *endfinally_seq_point = NULL;
3603 * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
3605 l = g_slist_last (bb->seq_points);
3607 endfinally_seq_point = l->data;
3609 for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
3610 GSList *l = g_slist_last (bb2->seq_points);
3613 MonoInst *ins = l->data;
3615 if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
3616 next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3622 if (cfg->verbose_level > 2) {
3623 printf ("\nSEQ POINT MAP: \n");
3626 for (i = 0; i < cfg->seq_points->len; ++i) {
3627 SeqPoint *sp = &info->seq_points [i];
3631 sp->next_len = g_slist_length (next [i]);
3632 sp->next = g_new (int, sp->next_len);
3634 if (cfg->verbose_level > 2 && next [i]) {
3635 printf ("\tIL0x%x ->", sp->il_offset);
3636 for (l = next [i]; l; l = l->next) {
3637 next_index = GPOINTER_TO_UINT (l->data);
3638 printf (" IL0x%x", info->seq_points [next_index].il_offset);
3642 for (l = next [i]; l; l = l->next) {
3643 next_index = GPOINTER_TO_UINT (l->data);
3644 sp->next [j ++] = next_index;
3646 g_slist_free (next [i]);
3650 cfg->seq_point_info = info;
3652 // FIXME: dynamic methods
3653 if (!cfg->compile_aot) {
3654 mono_domain_lock (domain);
3655 // FIXME: How can the lookup succeed ?
3656 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3657 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3658 mono_domain_unlock (domain);
3661 g_ptr_array_free (cfg->seq_points, TRUE);
3662 cfg->seq_points = NULL;
3666 mono_codegen (MonoCompile *cfg)
3669 int max_epilog_size;
3671 MonoDomain *code_domain;
3673 if (mono_using_xdebug)
3675 * Recent gdb versions have trouble processing symbol files containing
3676 * overlapping address ranges, so allocate all code from the code manager
3677 * of the root domain. (#666152).
3679 code_domain = mono_get_root_domain ();
3681 code_domain = cfg->domain;
3683 #if defined(__native_client_codegen__) && defined(__native_client__)
3686 /* This keeps patch targets from being transformed during
3687 * ordinary method compilation, for local branches and jumps.
3689 nacl_allow_target_modification (FALSE);
3692 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3693 cfg->spill_count = 0;
3694 /* we reuse dfn here */
3695 /* bb->dfn = bb_count++; */
3697 mono_arch_lowering_pass (cfg, bb);
3699 if (cfg->opt & MONO_OPT_PEEPHOLE)
3700 mono_arch_peephole_pass_1 (cfg, bb);
3703 mono_local_regalloc (cfg, bb);
3705 if (cfg->opt & MONO_OPT_PEEPHOLE)
3706 mono_arch_peephole_pass_2 (cfg, bb);
3709 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3710 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3712 code = mono_arch_emit_prolog (cfg);
3714 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3715 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3717 cfg->code_len = code - cfg->native_code;
3718 cfg->prolog_end = cfg->code_len;
3720 mono_debug_open_method (cfg);
3722 /* emit code all basic blocks */
3723 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3724 bb->native_offset = cfg->code_len;
3725 bb->real_native_offset = cfg->code_len;
3726 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3727 mono_arch_output_basic_block (cfg, bb);
3728 bb->native_length = cfg->code_len - bb->native_offset;
3730 if (bb == cfg->bb_exit) {
3731 cfg->epilog_begin = cfg->code_len;
3733 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3734 code = cfg->native_code + cfg->code_len;
3735 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3736 cfg->code_len = code - cfg->native_code;
3737 g_assert (cfg->code_len < cfg->code_size);
3740 mono_arch_emit_epilog (cfg);
3744 #ifdef __native_client_codegen__
3745 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3747 mono_arch_emit_exceptions (cfg);
3749 max_epilog_size = 0;
3751 /* we always allocate code in cfg->domain->code_mp to increase locality */
3752 cfg->code_size = cfg->code_len + max_epilog_size;
3753 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3755 if (cfg->method->dynamic) {
3756 guint unwindlen = 0;
3757 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3758 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3760 /* Allocate the code into a separate memory pool so it can be freed */
3761 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3762 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3763 mono_domain_lock (cfg->domain);
3764 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3765 mono_domain_unlock (cfg->domain);
3767 if (mono_using_xdebug)
3768 /* See the comment for cfg->code_domain */
3769 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3771 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3773 guint unwindlen = 0;
3774 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3775 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3777 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3779 #if defined(__native_client_codegen__) && defined(__native_client__)
3780 nacl_allow_target_modification (TRUE);
3784 memcpy (code, cfg->native_code, cfg->code_len);
3785 #if defined(__default_codegen__)
3786 g_free (cfg->native_code);
3787 #elif defined(__native_client_codegen__)
3788 if (cfg->native_code_alloc) {
3789 g_free (cfg->native_code_alloc);
3790 cfg->native_code_alloc = 0;
3792 else if (cfg->native_code) {
3793 g_free (cfg->native_code);
3795 #endif /* __native_client_codegen__ */
3796 cfg->native_code = code;
3797 code = cfg->native_code + cfg->code_len;
3799 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3800 mono_postprocess_patches (cfg);
3802 #ifdef VALGRIND_JIT_REGISTER_MAP
3803 if (valgrind_register){
3804 char* nm = mono_method_full_name (cfg->method, TRUE);
3805 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3810 if (cfg->verbose_level > 0) {
3811 char* nm = mono_method_full_name (cfg->method, TRUE);
3812 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3814 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3819 gboolean is_generic = FALSE;
3821 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3822 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3826 if (cfg->generic_sharing_context)
3827 g_assert (is_generic);
3830 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3831 mono_arch_save_unwind_info (cfg);
3834 #if defined(__native_client_codegen__) && defined(__native_client__)
3835 if (!cfg->compile_aot) {
3836 if (cfg->method->dynamic) {
3837 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
3839 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
3844 #if defined(__native_client_codegen__)
3845 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3848 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->dynamic_info ? cfg->dynamic_info->code_mp : NULL, cfg->run_cctors);
3850 if (cfg->method->dynamic) {
3851 if (mono_using_xdebug)
3852 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3854 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3856 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3858 #if defined(__native_client_codegen__) && defined(__native_client__)
3859 cfg->native_code = code_dest;
3861 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3863 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3865 mono_debug_close_method (cfg);
3867 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3868 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3873 compute_reachable (MonoBasicBlock *bb)
3877 if (!(bb->flags & BB_VISITED)) {
3878 bb->flags |= BB_VISITED;
3879 for (i = 0; i < bb->out_count; ++i)
3880 compute_reachable (bb->out_bb [i]);
3885 mono_handle_out_of_line_bblock (MonoCompile *cfg)
3888 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3889 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
3891 MONO_INST_NEW (cfg, ins, OP_BR);
3892 MONO_ADD_INS (bb, ins);
3893 ins->inst_target_bb = bb->next_bb;
3899 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3902 MonoMethodHeader *header;
3905 int generic_info_size, arch_eh_info_size = 0;
3906 int holes_size = 0, num_holes = 0, cas_size = 0;
3907 guint32 stack_size = 0;
3909 g_assert (method_to_compile == cfg->method);
3910 header = cfg->header;
3912 if (cfg->generic_sharing_context)
3913 generic_info_size = sizeof (MonoGenericJitInfo);
3915 generic_info_size = 0;
3917 if (cfg->arch_eh_jit_info) {
3918 MonoJitArgumentInfo *arg_info;
3919 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
3922 * This cannot be computed during stack walking, as
3923 * mono_arch_get_argument_info () is not signal safe.
3925 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
3926 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
3929 arch_eh_info_size = sizeof (MonoArchEHJitInfo);
3932 if (cfg->try_block_holes) {
3933 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3934 TryBlockHole *hole = tmp->data;
3935 MonoExceptionClause *ec = hole->clause;
3936 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
3937 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3938 g_assert (clause_last_bb);
3940 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3941 if (clause_last_bb->native_offset != hole_end)
3945 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
3946 if (G_UNLIKELY (cfg->verbose_level >= 4))
3947 printf ("Number of try block holes %d\n", num_holes);
3950 if (mono_method_has_declsec (cfg->method_to_register)) {
3951 cas_size = sizeof (MonoMethodCasInfo);
3954 if (COMPILE_LLVM (cfg))
3955 num_clauses = cfg->llvm_ex_info_len;
3957 num_clauses = header->num_clauses;
3959 if (cfg->method->dynamic) {
3960 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
3961 generic_info_size + holes_size + arch_eh_info_size + cas_size);
3963 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3964 (num_clauses * sizeof (MonoJitExceptionInfo)) +
3965 generic_info_size + holes_size + arch_eh_info_size + cas_size);
3968 jinfo->method = cfg->method_to_register;
3969 jinfo->code_start = cfg->native_code;
3970 jinfo->code_size = cfg->code_len;
3971 jinfo->used_regs = cfg->used_int_regs;
3972 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3973 jinfo->num_clauses = num_clauses;
3975 if (COMPILE_LLVM (cfg))
3976 jinfo->from_llvm = TRUE;
3978 if (cfg->generic_sharing_context) {
3980 MonoGenericJitInfo *gi;
3981 GSList *loclist = NULL;
3983 jinfo->has_generic_jit_info = 1;
3985 gi = mono_jit_info_get_generic_jit_info (jinfo);
3988 gi->generic_sharing_context = cfg->generic_sharing_context;
3990 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3991 mini_method_get_context (method_to_compile)->method_inst ||
3992 method_to_compile->klass->valuetype) {
3993 g_assert (cfg->rgctx_var);
3998 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3999 mini_method_get_context (method_to_compile)->method_inst ||
4000 method_to_compile->klass->valuetype) {
4001 inst = cfg->rgctx_var;
4002 if (!COMPILE_LLVM (cfg))
4003 g_assert (inst->opcode == OP_REGOFFSET);
4004 loclist = cfg->rgctx_loclist;
4006 inst = cfg->args [0];
4007 loclist = cfg->this_loclist;
4011 /* Needed to handle async exceptions */
4015 gi->nlocs = g_slist_length (loclist);
4016 if (cfg->method->dynamic)
4017 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4019 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4021 for (l = loclist; l; l = l->next) {
4022 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4027 if (COMPILE_LLVM (cfg)) {
4028 g_assert (cfg->llvm_this_reg != -1);
4029 gi->this_in_reg = 0;
4030 gi->this_reg = cfg->llvm_this_reg;
4031 gi->this_offset = cfg->llvm_this_offset;
4032 } else if (inst->opcode == OP_REGVAR) {
4033 gi->this_in_reg = 1;
4034 gi->this_reg = inst->dreg;
4036 g_assert (inst->opcode == OP_REGOFFSET);
4038 g_assert (inst->inst_basereg == X86_EBP);
4039 #elif defined(TARGET_AMD64)
4040 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4042 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4044 gi->this_in_reg = 0;
4045 gi->this_reg = inst->inst_basereg;
4046 gi->this_offset = inst->inst_offset;
4051 MonoTryBlockHoleTableJitInfo *table;
4054 jinfo->has_try_block_holes = 1;
4055 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4056 table->num_holes = (guint16)num_holes;
4058 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4059 guint32 start_bb_offset;
4060 MonoTryBlockHoleJitInfo *hole;
4061 TryBlockHole *hole_data = tmp->data;
4062 MonoExceptionClause *ec = hole_data->clause;
4063 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4064 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4065 g_assert (clause_last_bb);
4067 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4068 if (clause_last_bb->native_offset == hole_end)
4071 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4072 hole = &table->holes [i++];
4073 hole->clause = hole_data->clause - &header->clauses [0];
4074 hole->offset = (guint32)hole_data->start_offset;
4075 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4077 if (G_UNLIKELY (cfg->verbose_level >= 4))
4078 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4080 g_assert (i == num_holes);
4083 if (arch_eh_info_size) {
4084 MonoArchEHJitInfo *info;
4086 jinfo->has_arch_eh_info = 1;
4087 info = mono_jit_info_get_arch_eh_info (jinfo);
4089 info->stack_size = stack_size;
4093 jinfo->has_cas_info = 1;
4096 if (COMPILE_LLVM (cfg)) {
4098 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4099 } else if (header->num_clauses) {
4102 for (i = 0; i < header->num_clauses; i++) {
4103 MonoExceptionClause *ec = &header->clauses [i];
4104 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4105 MonoBasicBlock *tblock;
4108 ei->flags = ec->flags;
4110 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4111 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4113 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4114 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4116 ei->data.filter = cfg->native_code + tblock->native_offset;
4118 ei->data.catch_class = ec->data.catch_class;
4121 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4123 g_assert (tblock->native_offset);
4124 ei->try_start = cfg->native_code + tblock->native_offset;
4125 if (tblock->extend_try_block) {
4127 * Extend the try block backwards to include parts of the previous call
4130 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4132 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4134 if (!tblock->native_offset) {
4136 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4137 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4138 if (bb && bb->native_offset) {
4144 ei->try_end = cfg->native_code + tblock->native_offset;
4145 g_assert (tblock->native_offset);
4146 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4148 ei->handler_start = cfg->native_code + tblock->native_offset;
4150 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4151 TryBlockHole *hole = tmp->data;
4152 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4153 if (hole->clause == ec && hole_end == ei->try_end) {
4154 if (G_UNLIKELY (cfg->verbose_level >= 4))
4155 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4157 ei->try_end = cfg->native_code + hole->start_offset;
4162 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4164 if (ec->handler_offset + ec->handler_len < header->code_size) {
4165 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4167 end_offset = tblock->native_offset;
4169 end_offset = cfg->epilog_begin;
4171 ei->data.handler_end = cfg->native_code + end_offset;
4176 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4178 for (i = 0; i < jinfo->num_clauses; i++) {
4179 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4180 int start = (guint8*)ei->try_start - cfg->native_code;
4181 int end = (guint8*)ei->try_end - cfg->native_code;
4182 int handler = (guint8*)ei->handler_start - cfg->native_code;
4184 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
4189 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4190 * using it during runtime, hence the define.
4192 #ifdef MONO_ARCH_HAVE_XP_UNWIND
4193 if (cfg->encoded_unwind_ops) {
4194 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4195 g_free (cfg->encoded_unwind_ops);
4196 } else if (cfg->unwind_ops) {
4198 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4200 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4201 g_free (unwind_info);
4210 * mini_get_shared_method:
4212 * Return the method which is actually compiled/registered when doing generic sharing.
4215 mini_get_shared_method (MonoMethod *method)
4217 MonoGenericContext shared_context;
4218 MonoMethod *declaring_method, *res;
4220 gboolean partial = FALSE;
4222 if (method->is_generic || method->klass->generic_container)
4223 declaring_method = method;
4225 declaring_method = mono_method_get_declaring_generic_method (method);
4227 if (declaring_method->is_generic)
4228 shared_context = mono_method_get_generic_container (declaring_method)->context;
4230 shared_context = declaring_method->klass->generic_container->context;
4232 /* Handle partial sharing */
4233 if (method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE)) {
4234 MonoGenericContext *context = mono_method_get_context (method);
4235 MonoGenericInst *inst;
4236 MonoType **type_argv;
4239 * Create the shared context by replacing the ref type arguments with
4240 * type parameters, and keeping the rest.
4243 inst = context->class_inst;
4245 type_argv = g_new0 (MonoType*, inst->type_argc);
4246 for (i = 0; i < inst->type_argc; ++i) {
4247 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)
4248 type_argv [i] = shared_context.class_inst->type_argv [i];
4250 type_argv [i] = inst->type_argv [i];
4253 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4257 inst = context->method_inst;
4259 type_argv = g_new0 (MonoType*, inst->type_argc);
4260 for (i = 0; i < inst->type_argc; ++i) {
4261 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)
4262 type_argv [i] = shared_context.method_inst->type_argv [i];
4264 type_argv [i] = inst->type_argv [i];
4267 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4272 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4274 /* The result should be an inflated method whose parent is not inflated */
4275 g_assert (!res->klass->is_inflated);
4282 * mini_method_compile:
4283 * @method: the method to compile
4284 * @opts: the optimization flags to use
4285 * @domain: the domain where the method will be compiled in
4286 * @run_cctors: whether we should run type ctors if possible
4287 * @compile_aot: whether this is an AOT compilation
4288 * @parts: debug flag
4290 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4291 * field in the returned struct to see if compilation succeded.
4294 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4296 MonoMethodHeader *header;
4297 MonoMethodSignature *sig;
4301 int dfn, i, code_size_ratio;
4302 gboolean deadce_has_run = FALSE;
4303 gboolean try_generic_shared, try_llvm = FALSE;
4304 MonoMethod *method_to_compile, *method_to_register;
4306 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4307 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4308 mono_profiler_method_jit (method);
4309 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
4310 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4314 * We might get passed the original generic method definition or
4315 * instances with type parameters.
4316 * FIXME: Remove the method->klass->generic_class limitation.
4318 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4319 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl (method, TRUE)));
4321 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4322 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
4324 if (opts & MONO_OPT_GSHARED) {
4325 if (try_generic_shared)
4326 mono_stats.generics_sharable_methods++;
4327 else if (mono_method_is_generic_impl (method))
4328 mono_stats.generics_unsharable_methods++;
4332 try_llvm = mono_use_llvm;
4336 if (try_generic_shared) {
4337 method_to_compile = mini_get_shared_method (method);
4338 g_assert (method_to_compile);
4340 method_to_compile = method;
4343 cfg = g_new0 (MonoCompile, 1);
4344 cfg->method = method_to_compile;
4345 cfg->header = mono_method_get_header (cfg->method);
4346 cfg->mempool = mono_mempool_new ();
4348 cfg->prof_options = mono_profiler_get_events ();
4349 cfg->run_cctors = run_cctors;
4350 cfg->domain = domain;
4351 cfg->verbose_level = mini_verbose;
4352 cfg->compile_aot = compile_aot;
4353 cfg->skip_visibility = method->skip_visibility;
4354 cfg->orig_method = method;
4355 cfg->gen_seq_points = debug_options.gen_seq_points;
4356 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4357 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4358 if (try_generic_shared)
4359 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
4360 cfg->compile_llvm = try_llvm;
4361 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4363 if (cfg->gen_seq_points)
4364 cfg->seq_points = g_ptr_array_new ();
4366 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
4367 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4371 if (cfg->generic_sharing_context) {
4372 method_to_register = method_to_compile;
4374 g_assert (method == method_to_compile);
4375 method_to_register = method;
4377 cfg->method_to_register = method_to_register;
4379 mono_error_init (&err);
4380 sig = mono_method_signature_checked (cfg->method, &err);
4382 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4383 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4384 mono_error_cleanup (&err);
4385 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4386 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4390 header = cfg->header;
4392 MonoLoaderError *error;
4394 if ((error = mono_loader_get_last_error ())) {
4395 cfg->exception_type = error->exception_type;
4397 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4398 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4400 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4401 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4407 static gboolean inited;
4414 * Check for methods which cannot be compiled by LLVM early, to avoid
4415 * the extra compilation pass.
4417 if (COMPILE_LLVM (cfg)) {
4418 mono_llvm_check_method_supported (cfg);
4419 if (cfg->disable_llvm) {
4420 if (cfg->verbose_level >= 1) {
4421 //nm = mono_method_full_name (cfg->method, TRUE);
4422 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4425 mono_destroy_compile (cfg);
4427 goto restart_compile;
4433 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4434 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4435 cfg->disable_reuse_registers = TRUE;
4436 cfg->disable_reuse_stack_slots = TRUE;
4438 * This decreases the change the debugger will read registers/stack slots which are
4439 * not yet initialized.
4441 cfg->disable_initlocals_opt = TRUE;
4443 cfg->extend_live_ranges = TRUE;
4445 /* Temporarily disable this when running in the debugger until we have support
4446 * for this in the debugger. */
4447 /* This is no longer needed with sdb */
4448 //cfg->disable_omit_fp = TRUE;
4450 /* The debugger needs all locals to be on the stack or in a global register */
4451 cfg->disable_vreg_to_lvreg = TRUE;
4453 /* Don't remove unused variables when running inside the debugger since the user
4454 * may still want to view them. */
4455 cfg->disable_deadce_vars = TRUE;
4457 // cfg->opt |= MONO_OPT_SHARED;
4458 cfg->opt &= ~MONO_OPT_DEADCE;
4459 cfg->opt &= ~MONO_OPT_INLINE;
4460 cfg->opt &= ~MONO_OPT_COPYPROP;
4461 cfg->opt &= ~MONO_OPT_CONSPROP;
4462 /* This is no longer needed with sdb */
4463 //cfg->opt &= ~MONO_OPT_GSHARED;
4465 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4466 cfg->disable_out_of_line_bblocks = TRUE;
4469 if (mono_using_xdebug) {
4471 * Make each variable use its own register/stack slot and extend
4472 * their liveness to cover the whole method, making them displayable
4473 * in gdb even after they are dead.
4475 cfg->disable_reuse_registers = TRUE;
4476 cfg->disable_reuse_stack_slots = TRUE;
4477 cfg->extend_live_ranges = TRUE;
4478 cfg->compute_precise_live_ranges = TRUE;
4481 mini_gc_init_cfg (cfg);
4483 if (COMPILE_LLVM (cfg)) {
4484 cfg->opt |= MONO_OPT_ABCREM;
4487 if (getenv ("MONO_VERBOSE_METHOD")) {
4488 char *name = getenv ("MONO_VERBOSE_METHOD");
4490 if ((strchr (name, '.') > name) || strchr (name, ':')) {
4491 MonoMethodDesc *desc;
4493 desc = mono_method_desc_new (name, TRUE);
4494 if (mono_method_desc_full_match (desc, cfg->method)) {
4495 cfg->verbose_level = 4;
4497 mono_method_desc_free (desc);
4499 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
4500 cfg->verbose_level = 4;
4504 ip = (guint8 *)header->code;
4506 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
4508 if (cfg->verbose_level > 0) {
4510 if (COMPILE_LLVM (cfg))
4511 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
4512 else if (cfg->generic_sharing_context)
4513 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4515 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
4516 g_free (method_name);
4519 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
4520 cfg->opt |= MONO_OPT_SSA;
4523 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")))
4524 cfg->globalra = TRUE;
4527 //cfg->globalra = TRUE;
4529 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
4530 // cfg->globalra = TRUE;
4533 static int count = 0;
4537 if (getenv ("COUNT2")) {
4538 cfg->globalra = TRUE;
4539 if (count == atoi (getenv ("COUNT2")))
4540 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
4541 if (count > atoi (getenv ("COUNT2")))
4542 cfg->globalra = FALSE;
4547 if (header->clauses)
4548 cfg->globalra = FALSE;
4550 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4551 /* The code in the prolog clobbers caller saved registers */
4552 cfg->globalra = FALSE;
4554 // FIXME: Disable globalra in case of tracing/profiling
4556 if (cfg->method->save_lmf)
4557 /* The LMF saving code might clobber caller saved registers */
4558 cfg->globalra = FALSE;
4560 if (header->code_size > 5000)
4562 /* Too large bblocks could overflow the ins positions */
4563 cfg->globalra = FALSE;
4565 cfg->rs = mono_regstate_new ();
4567 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4568 cfg->next_vreg = cfg->rs->next_vreg;
4570 /* FIXME: Fix SSA to handle branches inside bblocks */
4571 if (cfg->opt & MONO_OPT_SSA)
4572 cfg->enable_extended_bblocks = FALSE;
4575 * FIXME: This confuses liveness analysis because variables which are assigned after
4576 * a branch inside a bblock become part of the kill set, even though the assignment
4577 * might not get executed. This causes the optimize_initlocals pass to delete some
4578 * assignments which are needed.
4579 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4582 //cfg->enable_extended_bblocks = TRUE;
4584 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4585 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
4586 if (mini_get_debug_options ()->break_on_unverified)
4592 * create MonoInst* which represents arguments and local variables
4594 mono_compile_create_vars (cfg);
4596 /* SSAPRE is not supported on linear IR */
4597 cfg->opt &= ~MONO_OPT_SSAPRE;
4599 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4602 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4604 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4605 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4608 mono_destroy_compile (cfg);
4609 try_generic_shared = FALSE;
4610 goto restart_compile;
4612 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4614 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4615 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4616 /* cfg contains the details of the failure, so let the caller cleanup */
4620 cfg->stat_basic_blocks += cfg->num_bblocks;
4622 if (COMPILE_LLVM (cfg)) {
4625 /* The IR has to be in SSA form for LLVM */
4626 cfg->opt |= MONO_OPT_SSA;
4630 // Allow SSA on the result value
4631 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4633 // Add an explicit return instruction referencing the return value
4634 MONO_INST_NEW (cfg, ins, OP_SETRET);
4635 ins->sreg1 = cfg->ret->dreg;
4637 MONO_ADD_INS (cfg->bb_exit, ins);
4640 cfg->opt &= ~MONO_OPT_LINEARS;
4643 cfg->opt &= ~MONO_OPT_BRANCH;
4646 /* todo: remove code when we have verified that the liveness for try/catch blocks
4650 * Currently, this can't be commented out since exception blocks are not
4651 * processed during liveness analysis.
4652 * It is also needed, because otherwise the local optimization passes would
4653 * delete assignments in cases like this:
4655 * <something which throws>
4657 * This also allows SSA to be run on methods containing exception clauses, since
4658 * SSA will ignore variables marked VOLATILE.
4660 mono_liveness_handle_exception_clauses (cfg);
4662 mono_handle_out_of_line_bblock (cfg);
4664 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4666 if (!COMPILE_LLVM (cfg))
4667 mono_decompose_long_opts (cfg);
4669 /* Should be done before branch opts */
4670 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4671 mono_local_cprop (cfg);
4673 if (cfg->opt & MONO_OPT_BRANCH)
4674 mono_optimize_branches (cfg);
4676 /* This must be done _before_ global reg alloc and _after_ decompose */
4677 mono_handle_global_vregs (cfg);
4678 if (cfg->opt & MONO_OPT_DEADCE)
4679 mono_local_deadce (cfg);
4680 /* Disable this for LLVM to make the IR easier to handle */
4681 if (!COMPILE_LLVM (cfg))
4682 mono_if_conversion (cfg);
4684 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4685 mono_remove_critical_edges (cfg);
4687 /* Depth-first ordering on basic blocks */
4688 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4690 cfg->max_block_num = cfg->num_bblocks;
4693 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4694 if (cfg->num_bblocks != dfn + 1) {
4697 cfg->num_bblocks = dfn + 1;
4699 /* remove unreachable code, because the code in them may be
4700 * inconsistent (access to dead variables for example) */
4701 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4702 bb->flags &= ~BB_VISITED;
4703 compute_reachable (cfg->bb_entry);
4704 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4705 if (bb->flags & BB_EXCEPTION_HANDLER)
4706 compute_reachable (bb);
4707 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4708 if (!(bb->flags & BB_VISITED)) {
4709 if (cfg->verbose_level > 1)
4710 g_print ("found unreachable code in BB%d\n", bb->block_num);
4711 bb->code = bb->last_ins = NULL;
4712 while (bb->out_count)
4713 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
4716 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4717 bb->flags &= ~BB_VISITED;
4720 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
4722 * we disable some optimizations if there are too many variables
4723 * because JIT time may become too expensive. The actual number needs
4724 * to be tweaked and eventually the non-linear algorithms should be fixed.
4726 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
4727 cfg->disable_ssa = TRUE;
4730 if (cfg->opt & MONO_OPT_LOOP) {
4731 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
4732 mono_compute_natural_loops (cfg);
4735 /* after method_to_ir */
4737 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4738 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4743 if (header->num_clauses)
4744 cfg->disable_ssa = TRUE;
4747 //#define DEBUGSSA "logic_run"
4748 #define DEBUGSSA_CLASS "Tests"
4751 if (!cfg->disable_ssa) {
4752 mono_local_cprop (cfg);
4755 mono_ssa_compute (cfg);
4759 if (cfg->opt & MONO_OPT_SSA) {
4760 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
4762 mono_ssa_compute (cfg);
4765 if (cfg->verbose_level >= 2) {
4772 /* after SSA translation */
4774 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4775 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4779 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
4780 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4782 mono_ssa_cprop (cfg);
4788 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4789 //mono_ssa_strength_reduction (cfg);
4791 if (cfg->opt & MONO_OPT_SSAPRE) {
4792 mono_perform_ssapre (cfg);
4793 //mono_local_cprop (cfg);
4796 if (cfg->opt & MONO_OPT_DEADCE) {
4797 mono_ssa_deadce (cfg);
4798 deadce_has_run = TRUE;
4801 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4802 mono_perform_abc_removal (cfg);
4804 mono_ssa_remove (cfg);
4805 mono_local_cprop (cfg);
4806 mono_handle_global_vregs (cfg);
4807 if (cfg->opt & MONO_OPT_DEADCE)
4808 mono_local_deadce (cfg);
4810 if (cfg->opt & MONO_OPT_BRANCH) {
4813 mono_optimize_branches (cfg);
4815 /* Have to recompute cfg->bblocks and bb->dfn */
4816 if (cfg->globalra) {
4817 mono_remove_critical_edges (cfg);
4819 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4822 /* Depth-first ordering on basic blocks */
4823 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4826 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4827 cfg->num_bblocks = dfn + 1;
4833 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
4834 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
4835 if (cfg->opt & MONO_OPT_ABCREM)
4836 mono_perform_abc_removal (cfg);
4839 /* after SSA removal */
4841 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4842 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4846 #ifdef MONO_ARCH_SOFT_FLOAT
4847 if (!COMPILE_LLVM (cfg))
4848 mono_decompose_soft_float (cfg);
4850 if (!COMPILE_LLVM (cfg))
4851 mono_decompose_vtype_opts (cfg);
4852 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4853 mono_decompose_array_access_opts (cfg);
4856 #ifndef MONO_ARCH_GOT_REG
4861 g_assert (cfg->got_var_allocated);
4864 * Allways allocate the GOT var to a register, because keeping it
4865 * in memory will increase the number of live temporaries in some
4866 * code created by inssel.brg, leading to the well known spills+
4867 * branches problem. Testcase: mcs crash in
4868 * System.MonoCustomAttrs:GetCustomAttributes.
4870 #ifdef MONO_ARCH_GOT_REG
4871 got_reg = MONO_ARCH_GOT_REG;
4873 regs = mono_arch_get_global_int_regs (cfg);
4875 got_reg = GPOINTER_TO_INT (regs->data);
4878 cfg->got_var->opcode = OP_REGVAR;
4879 cfg->got_var->dreg = got_reg;
4880 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
4884 * Have to call this again to process variables added since the first call.
4886 mono_liveness_handle_exception_clauses (cfg);
4888 if (cfg->globalra) {
4891 /* Have to do this before regalloc since it can create vregs */
4892 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4893 mono_arch_lowering_pass (cfg, bb);
4895 mono_global_regalloc (cfg);
4898 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
4899 GList *vars, *regs, *l;
4901 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
4902 cfg->comp_done &= ~MONO_COMP_LIVENESS;
4903 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
4904 mono_analyze_liveness (cfg);
4906 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
4907 regs = mono_arch_get_global_int_regs (cfg);
4908 /* Remove the reg reserved for holding the GOT address */
4910 for (l = regs; l; l = l->next) {
4911 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
4912 regs = g_list_delete_link (regs, l);
4917 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
4921 //mono_print_code (cfg, "");
4925 /* variables are allocated after decompose, since decompose could create temps */
4926 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4927 mono_arch_allocate_vars (cfg);
4928 if (cfg->exception_type)
4934 gboolean need_local_opts;
4936 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4937 mono_spill_global_vars (cfg, &need_local_opts);
4939 if (need_local_opts || cfg->compile_aot) {
4940 /* To optimize code created by spill_global_vars */
4941 mono_local_cprop (cfg);
4942 if (cfg->opt & MONO_OPT_DEADCE)
4943 mono_local_deadce (cfg);
4947 /* Add branches between non-consecutive bblocks */
4948 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4949 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
4950 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
4951 /* we are careful when inverting, since bugs like #59580
4952 * could show up when dealing with NaNs.
4954 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
4955 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
4956 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
4957 bb->last_ins->inst_false_bb = tmp;
4959 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
4961 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
4962 inst->opcode = OP_BR;
4963 inst->inst_target_bb = bb->last_ins->inst_false_bb;
4964 mono_bblock_add_inst (bb, inst);
4969 if (cfg->verbose_level >= 4 && !cfg->globalra) {
4970 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4971 MonoInst *tree = bb->code;
4972 g_print ("DUMP BLOCK %d:\n", bb->block_num);
4975 for (; tree; tree = tree->next) {
4976 mono_print_ins_index (-1, tree);
4982 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4983 bb->max_vreg = cfg->next_vreg;
4987 if (COMPILE_LLVM (cfg)) {
4991 /* The IR has to be in SSA form for LLVM */
4992 if (!(cfg->comp_done & MONO_COMP_SSA)) {
4993 cfg->exception_message = g_strdup ("SSA disabled.");
4994 cfg->disable_llvm = TRUE;
4997 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4998 mono_decompose_array_access_opts (cfg);
5000 if (!cfg->disable_llvm)
5001 mono_llvm_emit_method (cfg);
5002 if (cfg->disable_llvm) {
5003 if (cfg->verbose_level >= 1) {
5004 //nm = mono_method_full_name (cfg->method, TRUE);
5005 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5008 mono_destroy_compile (cfg);
5010 goto restart_compile;
5013 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5014 nm = mono_method_full_name (cfg->method, TRUE);
5015 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5017 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5025 if (COMPILE_LLVM (cfg))
5026 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5028 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5030 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5032 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5033 if (cfg->extend_live_ranges) {
5034 /* Extend live ranges to cover the whole method */
5035 for (i = 0; i < cfg->num_varinfo; ++i)
5036 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5040 if (!cfg->compile_aot)
5041 mono_save_xdebug_info (cfg);
5043 mini_gc_create_gc_map (cfg);
5045 mono_save_seq_point_info (cfg);
5047 if (cfg->verbose_level >= 2) {
5048 char *id = mono_method_full_name (cfg->method, FALSE);
5049 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5053 if (!cfg->compile_aot) {
5054 mono_domain_lock (cfg->domain);
5055 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5057 if (cfg->method->dynamic)
5058 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5059 mono_domain_unlock (cfg->domain);
5062 /* collect statistics */
5063 mono_perfcounters->jit_methods++;
5064 mono_perfcounters->jit_bytes += header->code_size;
5065 mono_jit_stats.allocated_code_size += cfg->code_len;
5066 code_size_ratio = cfg->code_len;
5067 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5068 mono_jit_stats.biggest_method_size = code_size_ratio;
5069 g_free (mono_jit_stats.biggest_method);
5070 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5072 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5073 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5074 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5075 g_free (mono_jit_stats.max_ratio_method);
5076 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5078 mono_jit_stats.native_code_size += cfg->code_len;
5080 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
5081 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5089 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
5091 g_assert_not_reached ();
5095 #endif /* DISABLE_JIT */
5098 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
5100 static gboolean inited = FALSE;
5101 static int lookups = 0;
5102 static int failed_lookups = 0;
5105 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
5106 if (ji && !ji->has_generic_jit_info)
5110 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5111 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5123 * LOCKING: Assumes domain->jit_code_hash_lock is held.
5126 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
5128 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5133 if (!mono_method_is_generic_sharable_impl (method, FALSE))
5135 return mono_domain_lookup_shared_generic (domain, method);
5139 lookup_method (MonoDomain *domain, MonoMethod *method)
5143 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
5144 mono_domain_jit_code_hash_lock (domain);
5145 info = lookup_method_inner (domain, method);
5146 mono_domain_jit_code_hash_unlock (domain);
5147 mono_loader_unlock ();
5153 static FILE* perf_map_file = NULL;
5156 mono_enable_jit_map (void)
5158 if (!perf_map_file) {
5160 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5162 perf_map_file = fopen (name, "w");
5167 mono_emit_jit_tramp (void *start, int size, const char *desc)
5170 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5174 mono_emit_jit_map (MonoJitInfo *jinfo)
5176 if (perf_map_file) {
5177 char *name = mono_method_full_name (jinfo->method, TRUE);
5178 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5184 mono_jit_map_is_enabled (void)
5186 return perf_map_file != NULL;
5192 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5195 gpointer code = NULL;
5196 MonoJitInfo *jinfo, *info;
5198 MonoException *ex = NULL;
5199 guint32 prof_options;
5201 MonoMethod *prof_method;
5203 #ifdef MONO_USE_AOT_COMPILER
5204 if (opt & MONO_OPT_AOT) {
5205 MonoDomain *domain = mono_domain_get ();
5207 mono_class_init (method->klass);
5209 if ((code = mono_aot_get_method (domain, method))) {
5210 vtable = mono_class_vtable (domain, method->klass);
5212 mono_runtime_class_init (vtable);
5219 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5220 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5222 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5224 if (!piinfo->addr) {
5225 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5226 piinfo->addr = mono_lookup_internal_call (method);
5227 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5229 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);
5231 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);
5234 mono_lookup_pinvoke_call (method, NULL, NULL);
5236 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5237 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5238 jinfo = mono_jit_info_table_find (target_domain, code);
5240 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5242 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5245 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
5246 //mono_debug_add_wrapper (method, nm);
5247 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5248 const char *name = method->name;
5249 char *full_name, *msg;
5252 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5253 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5254 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5257 * We need to make sure this wrapper
5258 * is compiled because it might end up
5259 * in an (M)RGCTX if generic sharing
5260 * is enabled, and would be called
5261 * indirectly. If it were a
5262 * trampoline we'd try to patch that
5263 * indirect call, which is not
5266 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5267 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5268 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5269 return mono_create_delegate_trampoline (target_domain, method->klass);
5271 nm = mono_marshal_get_delegate_invoke (method, NULL);
5272 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5274 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5275 nm = mono_marshal_get_delegate_begin_invoke (method);
5276 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5277 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5278 nm = mono_marshal_get_delegate_end_invoke (method);
5279 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5283 full_name = mono_method_full_name (method, TRUE);
5284 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5285 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5291 if (mono_aot_only) {
5292 char *fullname = mono_method_full_name (method, TRUE);
5293 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
5295 *jit_ex = mono_get_exception_execution_engine (msg);
5302 jit_timer = g_timer_new ();
5304 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5305 prof_method = cfg->method;
5307 g_timer_stop (jit_timer);
5308 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5309 g_timer_destroy (jit_timer);
5311 switch (cfg->exception_type) {
5312 case MONO_EXCEPTION_NONE:
5314 case MONO_EXCEPTION_TYPE_LOAD:
5315 case MONO_EXCEPTION_MISSING_FIELD:
5316 case MONO_EXCEPTION_MISSING_METHOD:
5317 case MONO_EXCEPTION_FILE_NOT_FOUND:
5318 case MONO_EXCEPTION_BAD_IMAGE: {
5319 /* Throw a type load exception if needed */
5320 MonoLoaderError *error = mono_loader_get_last_error ();
5323 ex = mono_loader_error_prepare_exception (error);
5325 if (cfg->exception_ptr) {
5326 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5328 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5329 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5330 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5331 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5332 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5333 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5334 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5335 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5336 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5337 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5339 g_assert_not_reached ();
5344 case MONO_EXCEPTION_INVALID_PROGRAM:
5345 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5347 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5348 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5350 case MONO_EXCEPTION_METHOD_ACCESS:
5351 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5353 case MONO_EXCEPTION_FIELD_ACCESS:
5354 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5356 /* this can only be set if the security manager is active */
5357 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5358 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5359 MonoObject *exc = NULL;
5362 args [0] = &cfg->exception_data;
5364 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5366 ex = (MonoException*)exc;
5369 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5370 MonoException *exp = cfg->exception_ptr;
5371 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5376 case MONO_EXCEPTION_OUT_OF_MEMORY:
5377 ex = mono_domain_get ()->out_of_memory_ex;
5380 g_assert_not_reached ();
5384 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5385 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5387 mono_destroy_compile (cfg);
5393 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5394 mono_domain_lock (target_domain);
5396 /* Check if some other thread already did the job. In this case, we can
5397 discard the code this thread generated. */
5399 mono_domain_jit_code_hash_lock (target_domain);
5401 info = lookup_method_inner (target_domain, method);
5403 /* We can't use a domain specific method in another domain */
5404 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5405 code = info->code_start;
5406 // printf("Discarding code for method %s\n", method->name);
5411 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
5412 mono_domain_jit_code_hash_unlock (target_domain);
5413 code = cfg->native_code;
5415 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
5416 mono_stats.generics_shared_methods++;
5418 mono_domain_jit_code_hash_unlock (target_domain);
5421 jinfo = cfg->jit_info;
5423 prof_options = cfg->prof_options;
5426 * Update global stats while holding a lock, instead of doing many
5427 * InterlockedIncrement operations during JITting.
5429 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
5430 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
5431 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
5432 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
5433 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
5434 mono_jit_stats.regvars += cfg->stat_n_regvars;
5435 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
5436 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
5437 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
5438 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
5440 mono_destroy_compile (cfg);
5443 if (domain_jit_info (target_domain)->jump_target_hash) {
5444 MonoJumpInfo patch_info;
5445 MonoJumpList *jlist;
5447 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
5449 patch_info.next = NULL;
5450 patch_info.ip.i = 0;
5451 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
5452 patch_info.data.method = method;
5453 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
5455 for (tmp = jlist->list; tmp; tmp = tmp->next)
5456 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
5460 mono_emit_jit_map (jinfo);
5462 mono_domain_unlock (target_domain);
5463 mono_loader_unlock ();
5465 vtable = mono_class_vtable (target_domain, method->klass);
5467 ex = mono_class_get_exception_for_failure (method->klass);
5473 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
5474 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
5475 if (mono_marshal_method_from_wrapper (method)) {
5476 /* Native func wrappers have no method */
5477 /* The profiler doesn't know about wrappers, so pass the original icall method */
5478 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
5481 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5482 if (prof_method != method) {
5483 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
5487 ex = mono_runtime_class_init_full (vtable, FALSE);
5496 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
5498 MonoDomain *target_domain, *domain = mono_domain_get ();
5501 MonoJitICallInfo *callinfo = NULL;
5504 * ICALL wrappers are handled specially, since there is only one copy of them
5505 * shared by all appdomains.
5507 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
5508 const char *icall_name;
5510 icall_name = method->name + strlen ("__icall_wrapper_");
5511 g_assert (icall_name);
5512 callinfo = mono_find_jit_icall_by_name (icall_name);
5513 g_assert (callinfo);
5515 /* Must be domain neutral since there is only one copy */
5516 opt |= MONO_OPT_SHARED;
5519 if (method->dynamic)
5520 opt &= ~MONO_OPT_SHARED;
5522 /* These methods can become invalid when a domain is unloaded */
5523 if (method->klass->image != mono_get_corlib () || method->is_inflated)
5524 opt &= ~MONO_OPT_SHARED;
5526 if (opt & MONO_OPT_SHARED)
5527 target_domain = mono_get_root_domain ();
5529 target_domain = domain;
5531 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5532 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5535 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER)
5536 method = info->d.synchronized_inner.method;
5539 info = lookup_method (target_domain, method);
5541 /* We can't use a domain specific method in another domain */
5542 if (! ((domain != target_domain) && !info->domain_neutral)) {
5544 MonoException *tmpEx;
5546 mono_jit_stats.methods_lookups++;
5547 vtable = mono_class_vtable (domain, method->klass);
5549 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
5554 return mono_create_ftnptr (target_domain, info->code_start);
5558 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
5562 p = mono_create_ftnptr (target_domain, code);
5565 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
5566 mono_loader_lock ();
5568 if (!callinfo->wrapper) {
5569 callinfo->wrapper = p;
5570 mono_register_jit_icall_wrapper (callinfo, p);
5571 mono_debug_add_icall_wrapper (method, callinfo);
5574 mono_loader_unlock ();
5581 mono_jit_compile_method (MonoMethod *method)
5583 MonoException *ex = NULL;
5586 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
5589 mono_raise_exception (ex);
5595 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5597 invalidated_delegate_trampoline (char *desc)
5599 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
5600 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
5606 * mono_jit_free_method:
5608 * Free all memory allocated by the JIT for METHOD.
5611 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
5613 MonoJitDynamicMethodInfo *ji;
5614 gboolean destroy = TRUE;
5615 GHashTableIter iter;
5616 MonoJumpList *jlist;
5618 g_assert (method->dynamic);
5620 mono_domain_lock (domain);
5621 ji = mono_dynamic_code_hash_lookup (domain, method);
5622 mono_domain_unlock (domain);
5627 mono_debug_remove_method (method, domain);
5629 mono_domain_lock (domain);
5630 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
5631 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
5632 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
5633 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
5635 /* Remove jump targets in this method */
5636 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
5637 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
5638 GSList *tmp, *remove;
5641 for (tmp = jlist->list; tmp; tmp = tmp->next) {
5642 guint8 *ip = tmp->data;
5644 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
5645 remove = g_slist_prepend (remove, tmp);
5647 for (tmp = remove; tmp; tmp = tmp->next) {
5648 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
5650 g_slist_free (remove);
5653 mono_domain_unlock (domain);
5655 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5656 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
5658 * Instead of freeing the code, change it to call an error routine
5659 * so people can fix their code.
5661 char *type = mono_type_full_name (&method->klass->byval_arg);
5662 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
5665 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
5671 * This needs to be done before freeing code_mp, since the code address is the
5672 * key in the table, so if we free the code_mp first, another thread can grab the
5673 * same code address and replace our entry in the table.
5675 mono_jit_info_table_remove (domain, ji->ji);
5678 mono_code_manager_destroy (ji->code_mp);
5683 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
5685 MonoDomain *target_domain;
5688 if (default_opt & MONO_OPT_SHARED)
5689 target_domain = mono_get_root_domain ();
5691 target_domain = domain;
5693 info = lookup_method (target_domain, method);
5695 /* We can't use a domain specific method in another domain */
5696 if (! ((domain != target_domain) && !info->domain_neutral)) {
5697 mono_jit_stats.methods_lookups++;
5700 return info->code_start;
5710 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
5712 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
5717 gpointer compiled_method;
5718 gpointer runtime_invoke;
5720 MonoDynCallInfo *dyn_call_info;
5721 MonoClass *ret_box_class;
5722 } RuntimeInvokeInfo;
5725 * mono_jit_runtime_invoke:
5726 * @method: the method to invoke
5727 * @obj: this pointer
5728 * @params: array of parameter values.
5729 * @exc: used to catch exceptions objects
5732 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
5735 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
5736 MonoDomain *domain = mono_domain_get ();
5737 MonoJitDomainInfo *domain_info;
5738 RuntimeInvokeInfo *info, *info2;
5740 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
5741 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
5745 domain_info = domain_jit_info (domain);
5747 mono_domain_lock (domain);
5748 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5749 mono_domain_unlock (domain);
5752 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
5754 * This might be redundant since mono_class_vtable () already does this,
5755 * but keep it just in case for moonlight.
5757 mono_class_setup_vtable (method->klass);
5758 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
5760 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
5762 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
5767 info = g_new0 (RuntimeInvokeInfo, 1);
5769 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5770 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
5771 g_assert (info->vtable);
5773 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5774 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5776 * Array Get/Set/Address methods. The JIT implements them using inline code
5777 * inside the runtime invoke wrappers, so no need to compile them.
5779 info->compiled_method = NULL;
5781 MonoException *jit_ex = NULL;
5783 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
5784 if (!info->compiled_method) {
5788 *exc = (MonoObject*)jit_ex;
5791 mono_raise_exception (jit_ex);
5795 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
5796 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
5800 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
5801 * in full-aot mode, so we use a slower, but more generic wrapper if
5802 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
5804 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5805 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
5806 MonoMethodSignature *sig = mono_method_signature (method);
5807 gboolean supported = TRUE;
5810 if (method->string_ctor)
5811 sig = mono_marshal_get_string_ctor_signature (method);
5813 for (i = 0; i < sig->param_count; ++i) {
5814 MonoType *t = sig->params [i];
5816 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
5820 if (method->klass->contextbound || !info->compiled_method)
5824 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
5826 if (info->dyn_call_info) {
5827 switch (sig->ret->type) {
5828 case MONO_TYPE_VOID:
5840 case MONO_TYPE_BOOLEAN:
5841 case MONO_TYPE_CHAR:
5844 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5847 info->ret_box_class = mono_defaults.int_class;
5849 case MONO_TYPE_STRING:
5850 case MONO_TYPE_CLASS:
5851 case MONO_TYPE_ARRAY:
5852 case MONO_TYPE_SZARRAY:
5853 case MONO_TYPE_OBJECT:
5855 case MONO_TYPE_GENERICINST:
5856 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
5857 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5859 case MONO_TYPE_VALUETYPE:
5860 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5863 g_assert_not_reached ();
5870 if (!info->dyn_call_info)
5871 info->runtime_invoke = mono_jit_compile_method (invoke);
5873 mono_domain_lock (domain);
5874 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5879 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
5881 mono_domain_unlock (domain);
5884 runtime_invoke = info->runtime_invoke;
5887 * We need this here because mono_marshal_get_runtime_invoke can place
5888 * the helper method in System.Object and not the target class.
5891 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
5895 mono_runtime_class_init (info->vtable);
5898 /* The wrappers expect this to be initialized to NULL */
5902 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5903 if (info->dyn_call_info) {
5904 MonoMethodSignature *sig = mono_method_signature (method);
5906 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
5909 guint8 retval [128];
5911 if (!dyn_runtime_invoke) {
5912 invoke = mono_marshal_get_runtime_invoke_dynamic ();
5913 dyn_runtime_invoke = mono_jit_compile_method (invoke);
5916 /* Convert the arguments to the format expected by start_dyn_call () */
5917 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
5920 args [pindex ++] = &obj;
5921 for (i = 0; i < sig->param_count; ++i) {
5922 MonoType *t = sig->params [i];
5925 args [pindex ++] = ¶ms [i];
5926 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
5927 args [pindex ++] = ¶ms [i];
5929 args [pindex ++] = params [i];
5933 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
5935 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
5937 dyn_runtime_invoke (buf, exc, info->compiled_method);
5939 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
5941 if (info->ret_box_class)
5942 return mono_value_box (domain, info->ret_box_class, retval);
5944 return *(MonoObject**)retval;
5948 return runtime_invoke (obj, params, exc, info->compiled_method);
5952 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
5954 MonoException *exc = NULL;
5956 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
5961 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5963 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
5964 if (mono_arch_is_int_overflow (ctx, info))
5966 * The spec says this throws ArithmeticException, but MS throws the derived
5967 * OverflowException.
5969 exc = mono_get_exception_overflow ();
5971 exc = mono_get_exception_divide_by_zero ();
5973 exc = mono_get_exception_divide_by_zero ();
5977 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5980 mono_handle_native_sigsegv (SIGSEGV, ctx);
5983 mono_arch_handle_exception (ctx, exc);
5987 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
5992 exc = mono_get_exception_execution_engine ("SIGILL");
5994 mono_arch_handle_exception (ctx, exc);
5997 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
5998 #define HAVE_SIG_INFO
6002 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
6005 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6006 gpointer fault_addr = NULL;
6010 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6011 if (mono_arch_is_single_step_event (info, ctx)) {
6012 mono_debugger_agent_single_step_event (ctx);
6014 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6015 mono_debugger_agent_breakpoint_hit (ctx);
6020 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6021 fault_addr = info->si_addr;
6022 if (mono_aot_is_pagefault (info->si_addr)) {
6023 mono_aot_handle_pagefault (info->si_addr);
6028 /* The thread might no be registered with the runtime */
6029 if (!mono_domain_get () || !jit_tls) {
6030 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6032 mono_handle_native_sigsegv (SIGSEGV, ctx);
6035 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6037 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6038 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6041 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6042 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6043 fault_addr = info->si_addr;
6044 if (fault_addr == NULL) {
6047 mono_arch_sigctx_to_monoctx (ctx, &mctx);
6049 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6053 if (jit_tls->stack_size &&
6054 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6056 * The hard-guard page has been hit: there is not much we can do anymore
6057 * Print a hopefully clear message and abort.
6059 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6060 g_assert_not_reached ();
6062 /* The original handler might not like that it is executed on an altstack... */
6063 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
6066 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6071 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6074 mono_handle_native_sigsegv (SIGSEGV, ctx);
6077 mono_arch_handle_exception (ctx, NULL);
6082 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
6087 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6089 mono_arch_handle_exception (ctx, exc);
6092 /* mono_jit_create_remoting_trampoline:
6093 * @method: pointer to the method info
6095 * Creates a trampoline which calls the remoting functions. This
6096 * is used in the vtable of transparent proxies.
6098 * Returns: a pointer to the newly created code
6101 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6104 guint8 *addr = NULL;
6106 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6107 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6111 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6112 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
6113 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6114 addr = mono_compile_method (nm);
6116 addr = mono_compile_method (method);
6118 return mono_get_addr_from_ftnptr (addr);
6121 static gpointer *vtable_trampolines;
6122 static int vtable_trampolines_size;
6125 mini_get_vtable_trampoline (int slot_index)
6127 int index = slot_index + MONO_IMT_SIZE;
6129 g_assert (slot_index >= - MONO_IMT_SIZE);
6130 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6132 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6136 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6137 while (new_size <= index)
6139 new_table = g_new0 (gpointer, new_size);
6141 if (vtable_trampolines)
6142 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6143 g_free (vtable_trampolines);
6144 mono_memory_barrier ();
6145 vtable_trampolines = new_table;
6146 vtable_trampolines_size = new_size;
6151 if (!vtable_trampolines [index])
6152 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6153 return vtable_trampolines [index];
6157 mini_get_imt_trampoline (int slot_index)
6159 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6163 mini_parse_debug_options (void)
6165 char *options = getenv ("MONO_DEBUG");
6166 gchar **args, **ptr;
6171 args = g_strsplit (options, ",", -1);
6173 for (ptr = args; ptr && *ptr; ptr++) {
6174 const char *arg = *ptr;
6176 if (!strcmp (arg, "handle-sigint"))
6177 debug_options.handle_sigint = TRUE;
6178 else if (!strcmp (arg, "keep-delegates"))
6179 debug_options.keep_delegates = TRUE;
6180 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6181 debug_options.reverse_pinvoke_exceptions = TRUE;
6182 else if (!strcmp (arg, "collect-pagefault-stats"))
6183 debug_options.collect_pagefault_stats = TRUE;
6184 else if (!strcmp (arg, "break-on-unverified"))
6185 debug_options.break_on_unverified = TRUE;
6186 else if (!strcmp (arg, "no-gdb-backtrace"))
6187 debug_options.no_gdb_backtrace = TRUE;
6188 else if (!strcmp (arg, "suspend-on-sigsegv"))
6189 debug_options.suspend_on_sigsegv = TRUE;
6190 else if (!strcmp (arg, "suspend-on-unhandled"))
6191 debug_options.suspend_on_unhandled = TRUE;
6192 else if (!strcmp (arg, "dont-free-domains"))
6193 mono_dont_free_domains = TRUE;
6194 else if (!strcmp (arg, "dyn-runtime-invoke"))
6195 debug_options.dyn_runtime_invoke = TRUE;
6196 else if (!strcmp (arg, "gdb"))
6197 debug_options.gdb = TRUE;
6198 else if (!strcmp (arg, "explicit-null-checks"))
6199 debug_options.explicit_null_checks = TRUE;
6200 else if (!strcmp (arg, "gen-seq-points"))
6201 debug_options.gen_seq_points = TRUE;
6202 else if (!strcmp (arg, "init-stacks"))
6203 debug_options.init_stacks = TRUE;
6204 else if (!strcmp (arg, "casts"))
6205 debug_options.better_cast_details = TRUE;
6206 else if (!strcmp (arg, "soft-breakpoints"))
6207 debug_options.soft_breakpoints = TRUE;
6209 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6210 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'suspend-on-unhandled', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks'\n");
6219 mini_get_debug_options (void)
6221 return &debug_options;
6225 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6227 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
6231 gpointer* desc = NULL;
6233 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
6236 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6240 # elif defined(__ppc64__) || defined(__powerpc64__)
6243 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6249 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
6255 mini_get_addr_from_ftnptr (gpointer descr)
6257 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6258 return *(gpointer*)descr;
6265 register_jit_stats (void)
6267 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
6268 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
6269 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6270 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6271 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6272 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
6273 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
6274 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
6275 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
6276 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
6277 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
6278 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
6279 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
6280 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
6281 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
6282 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
6283 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
6286 static void runtime_invoke_info_free (gpointer value);
6289 mini_create_jit_domain_info (MonoDomain *domain)
6291 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
6293 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6294 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6295 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6296 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6297 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6298 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
6299 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
6300 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
6301 info->jump_target_hash = g_hash_table_new (NULL, NULL);
6303 domain->runtime_info = info;
6307 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
6309 MonoJumpList *jlist = value;
6310 g_slist_free (jlist->list);
6314 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
6316 MonoJitDynamicMethodInfo *di = value;
6317 mono_code_manager_destroy (di->code_mp);
6322 runtime_invoke_info_free (gpointer value)
6324 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
6326 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6327 if (info->dyn_call_info)
6328 mono_arch_dyn_call_free (info->dyn_call_info);
6334 mini_free_jit_domain_info (MonoDomain *domain)
6336 MonoJitDomainInfo *info = domain_jit_info (domain);
6338 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6339 g_hash_table_destroy (info->jump_target_hash);
6340 if (info->jump_target_got_slot_hash) {
6341 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6342 g_hash_table_destroy (info->jump_target_got_slot_hash);
6344 if (info->dynamic_code_hash) {
6345 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6346 g_hash_table_destroy (info->dynamic_code_hash);
6348 if (info->method_code_hash)
6349 g_hash_table_destroy (info->method_code_hash);
6350 g_hash_table_destroy (info->class_init_trampoline_hash);
6351 g_hash_table_destroy (info->jump_trampoline_hash);
6352 g_hash_table_destroy (info->jit_trampoline_hash);
6353 g_hash_table_destroy (info->delegate_trampoline_hash);
6354 if (info->static_rgctx_trampoline_hash)
6355 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6356 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6357 g_hash_table_destroy (info->runtime_invoke_hash);
6358 g_hash_table_destroy (info->seq_points);
6359 g_hash_table_destroy (info->arch_seq_points);
6361 if (info->agent_info)
6362 mono_debugger_agent_free_domain_info (domain);
6364 g_free (domain->runtime_info);
6365 domain->runtime_info = NULL;
6369 mini_init (const char *filename, const char *runtime_version)
6372 MonoRuntimeCallbacks callbacks;
6373 MonoThreadInfoRuntimeCallbacks ticallbacks;
6375 MONO_PROBE_VES_INIT_BEGIN ();
6377 #if defined(__linux__) && !defined(__native_client__)
6378 if (access ("/proc/self/maps", F_OK) != 0) {
6379 g_print ("Mono requires /proc to be mounted.\n");
6384 /* Happens when using the embedding interface */
6385 if (!default_opt_set)
6386 default_opt = mono_parse_default_optimizations (NULL);
6388 InitializeCriticalSection (&jit_mutex);
6390 #ifdef MONO_DEBUGGER_SUPPORTED
6391 if (mini_debug_running_inside_mdb ())
6392 mini_debugger_init ();
6395 #ifdef MONO_HAVE_FAST_TLS
6396 MONO_FAST_TLS_INIT (mono_jit_tls);
6397 MONO_FAST_TLS_INIT (mono_lmf_addr);
6398 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
6399 MONO_FAST_TLS_INIT (mono_lmf);
6403 #ifdef MONO_ARCH_HAVE_TLS_GET
6404 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
6406 mono_runtime_set_has_tls_get (FALSE);
6409 if (!global_codeman)
6410 global_codeman = mono_code_manager_new ();
6411 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
6413 memset (&callbacks, 0, sizeof (callbacks));
6414 callbacks.create_ftnptr = mini_create_ftnptr;
6415 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
6416 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
6417 callbacks.set_cast_details = mono_set_cast_details;
6418 callbacks.debug_log = mono_debugger_agent_debug_log;
6419 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
6421 #ifdef MONO_ARCH_HAVE_IMT
6423 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
6424 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
6428 mono_install_callbacks (&callbacks);
6430 memset (&ticallbacks, 0, sizeof (ticallbacks));
6431 ticallbacks.setup_async_callback = mono_setup_async_callback;
6432 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
6433 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
6435 mono_threads_runtime_init (&ticallbacks);
6438 if (getenv ("MONO_DEBUG") != NULL)
6439 mini_parse_debug_options ();
6441 mono_arch_cpu_init ();
6445 mono_unwind_init ();
6447 if (getenv ("MONO_XDEBUG")) {
6448 char *xdebug_opts = getenv ("MONO_XDEBUG");
6449 mono_xdebug_init (xdebug_opts);
6450 /* So methods for multiple domains don't have the same address */
6451 mono_dont_free_domains = TRUE;
6452 mono_using_xdebug = TRUE;
6453 } else if (mini_get_debug_options ()->gdb) {
6454 mono_xdebug_init ((char*)"gdb");
6455 mono_dont_free_domains = TRUE;
6456 mono_using_xdebug = TRUE;
6460 if (mono_use_llvm) {
6461 if (!mono_llvm_load (NULL)) {
6462 mono_use_llvm = FALSE;
6463 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
6470 mono_trampolines_init ();
6472 if (!g_thread_supported ())
6473 g_thread_init (NULL);
6475 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
6476 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
6478 if (default_opt & MONO_OPT_AOT)
6481 mono_debugger_agent_init ();
6483 #ifdef MONO_ARCH_GSHARED_SUPPORTED
6484 mono_set_generic_sharing_supported (TRUE);
6487 #ifndef MONO_CROSS_COMPILE
6488 mono_runtime_install_handlers ();
6490 mono_threads_install_cleanup (mini_thread_cleanup);
6492 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
6493 // This is experimental code so provide an env var to switch it off
6494 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
6495 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
6497 check_for_pending_exc = FALSE;
6498 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
6502 #define JIT_TRAMPOLINES_WORK
6503 #ifdef JIT_TRAMPOLINES_WORK
6504 mono_install_compile_method (mono_jit_compile_method);
6505 mono_install_free_method (mono_jit_free_method);
6506 mono_install_trampoline (mono_create_jit_trampoline);
6507 mono_install_jump_trampoline (mono_create_jump_trampoline);
6508 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
6509 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
6510 mono_install_create_domain_hook (mini_create_jit_domain_info);
6511 mono_install_free_domain_hook (mini_free_jit_domain_info);
6513 #define JIT_INVOKE_WORKS
6514 #ifdef JIT_INVOKE_WORKS
6515 mono_install_runtime_invoke (mono_jit_runtime_invoke);
6517 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
6518 mono_install_get_class_from_name (mono_aot_get_class_from_name);
6519 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
6521 if (debug_options.collect_pagefault_stats) {
6522 mono_aot_set_make_unreadable (TRUE);
6525 if (runtime_version)
6526 domain = mono_init_version (filename, runtime_version);
6528 domain = mono_init_from_assembly (filename, filename);
6530 if (mono_aot_only) {
6531 /* This helps catch code allocation requests */
6532 mono_code_manager_set_read_only (domain->code_mp);
6533 mono_marshal_use_aot_wrappers (TRUE);
6536 #ifdef MONO_ARCH_HAVE_IMT
6539 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
6541 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
6544 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
6545 mono_arch_finish_init ();
6548 /* This must come after mono_init () in the aot-only case */
6549 mono_exceptions_init ();
6553 /* This should come after mono_init () too */
6556 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
6557 ves_icall_get_frame_info);
6558 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
6559 ves_icall_get_trace);
6560 mono_add_internal_call ("System.Exception::get_trace",
6561 ves_icall_System_Exception_get_trace);
6562 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
6563 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
6564 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
6565 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
6566 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
6567 mono_runtime_install_handlers);
6569 mono_create_helper_signatures ();
6571 register_jit_stats ();
6573 #define JIT_CALLS_WORK
6574 #ifdef JIT_CALLS_WORK
6575 /* Needs to be called here since register_jit_icall depends on it */
6576 mono_marshal_init ();
6578 mono_arch_register_lowlevel_calls ();
6579 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
6580 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
6581 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
6582 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
6583 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
6584 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
6585 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
6586 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
6588 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
6589 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
6590 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
6592 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
6593 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
6594 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
6595 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
6596 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
6598 #if defined(__native_client__) || defined(__native_client_codegen__)
6599 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
6602 * NOTE, NOTE, NOTE, NOTE:
6603 * when adding emulation for some opcodes, remember to also add a dummy
6604 * rule to the burg files, because we need the arity information to be correct.
6606 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
6607 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
6608 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
6609 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
6610 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
6611 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
6612 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
6613 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
6616 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
6617 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
6618 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
6619 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
6622 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
6623 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
6624 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6625 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
6626 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6629 #ifdef MONO_ARCH_EMULATE_MUL_DIV
6630 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
6633 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
6634 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6635 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6638 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
6639 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
6642 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
6643 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
6644 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
6645 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
6647 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
6648 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
6650 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
6651 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6653 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
6654 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
6656 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
6657 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
6659 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
6660 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
6662 #ifdef MONO_ARCH_EMULATE_FREM
6663 #if defined(__default_codegen__)
6664 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
6665 #elif defined(__native_client_codegen__)
6666 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, FALSE);
6670 #ifdef MONO_ARCH_SOFT_FLOAT
6671 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
6672 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
6673 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
6674 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
6675 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
6676 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
6677 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
6678 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
6679 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
6680 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
6681 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
6682 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
6683 #if SIZEOF_VOID_P == 4
6684 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
6687 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
6688 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
6689 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
6690 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
6691 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
6692 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
6693 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
6694 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
6695 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
6696 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
6698 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
6699 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
6700 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
6701 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
6702 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
6704 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
6705 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
6706 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
6707 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
6710 #ifdef COMPRESSED_INTERFACE_BITMAP
6711 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
6714 #if SIZEOF_REGISTER == 4
6715 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
6718 /* other jit icalls */
6719 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
6720 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
6721 "ptr ptr ptr", FALSE);
6722 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
6723 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
6724 "ptr ptr ptr ptr", FALSE);
6725 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
6726 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
6727 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
6728 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
6729 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
6730 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
6731 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
6732 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
6733 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
6734 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
6735 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
6736 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
6737 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
6738 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
6739 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
6740 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
6741 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
6742 register_icall (mono_break, "mono_break", NULL, TRUE);
6743 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
6744 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
6745 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
6746 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
6747 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
6748 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
6749 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
6750 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
6752 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
6754 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
6755 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
6757 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
6761 mono_generic_sharing_init ();
6763 #ifdef MONO_ARCH_SIMD_INTRINSICS
6764 mono_simd_intrinsics_init ();
6767 #if MONO_SUPPORT_TASKLETS
6768 mono_tasklets_init ();
6771 if (mono_compile_aot)
6773 * Avoid running managed code when AOT compiling, since the platform
6774 * might only support aot-only execution.
6776 mono_runtime_set_no_exec (TRUE);
6778 #define JIT_RUNTIME_WORKS
6779 #ifdef JIT_RUNTIME_WORKS
6780 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
6781 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
6782 mono_thread_attach (domain);
6785 mono_profiler_runtime_initialized ();
6787 MONO_PROBE_VES_INIT_END ();
6792 MonoJitStats mono_jit_stats = {0};
6795 print_jit_stats (void)
6797 if (mono_jit_stats.enabled) {
6798 g_print ("Mono Jit statistics\n");
6799 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
6800 mono_jit_stats.max_ratio_method);
6801 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
6802 mono_jit_stats.biggest_method);
6804 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
6805 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
6806 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
6807 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
6808 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
6809 g_print ("Methods: %ld\n", mono_stats.method_count);
6810 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
6811 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
6812 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
6814 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
6815 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
6816 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
6818 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
6819 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
6820 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
6822 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
6823 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
6824 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
6826 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
6827 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
6828 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
6829 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
6830 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
6831 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
6832 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
6833 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
6835 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
6836 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
6837 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
6839 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
6840 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
6841 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
6842 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
6843 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
6844 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
6845 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
6846 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
6849 g_free (mono_jit_stats.max_ratio_method);
6850 mono_jit_stats.max_ratio_method = NULL;
6851 g_free (mono_jit_stats.biggest_method);
6852 mono_jit_stats.biggest_method = NULL;
6857 mini_cleanup (MonoDomain *domain)
6859 mono_runtime_shutdown_stat_profiler ();
6862 cominterop_release_all_rcws ();
6865 #ifndef MONO_CROSS_COMPILE
6866 mono_runtime_shutdown ();
6868 * mono_runtime_cleanup() and mono_domain_finalize () need to
6869 * be called early since they need the execution engine still
6870 * fully working (mono_domain_finalize may invoke managed finalizers
6871 * and mono_runtime_cleanup will wait for other threads to finish).
6873 mono_domain_finalize (domain, 2000);
6876 /* This accesses metadata so needs to be called before runtime shutdown */
6879 mono_profiler_shutdown ();
6881 #ifndef MONO_CROSS_COMPILE
6882 mono_runtime_cleanup (domain);
6885 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
6887 mono_icall_cleanup ();
6889 mono_runtime_cleanup_handlers ();
6891 mono_domain_free (domain, TRUE);
6893 mono_debugger_cleanup ();
6897 mono_llvm_cleanup ();
6900 mono_aot_cleanup ();
6902 mono_trampolines_cleanup ();
6904 mono_unwind_cleanup ();
6906 if (!mono_dont_free_global_codeman)
6907 mono_code_manager_destroy (global_codeman);
6908 g_hash_table_destroy (jit_icall_name_hash);
6909 g_free (emul_opcode_map);
6910 g_free (emul_opcode_opcodes);
6911 g_free (vtable_trampolines);
6913 mono_arch_cleanup ();
6915 mono_generic_sharing_cleanup ();
6919 mono_trace_cleanup ();
6921 mono_counters_dump (-1, stdout);
6923 if (mono_inject_async_exc_method)
6924 mono_method_desc_free (mono_inject_async_exc_method);
6926 mono_native_tls_free (mono_jit_tls_id);
6928 DeleteCriticalSection (&jit_mutex);
6930 DeleteCriticalSection (&mono_delegate_section);
6934 mono_set_defaults (int verbose_level, guint32 opts)
6936 mini_verbose = verbose_level;
6938 default_opt_set = TRUE;
6942 mono_disable_optimizations (guint32 opts)
6944 default_opt &= ~opts;
6948 mono_set_optimizations (guint32 opts)
6951 default_opt_set = TRUE;
6955 mono_set_verbose_level (guint32 level)
6957 mini_verbose = level;
6961 * mono_get_runtime_build_info:
6963 * Return the runtime version + build date in string format.
6964 * The returned string is owned by the caller. The returned string
6965 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
6968 mono_get_runtime_build_info (void)
6970 if (mono_build_date)
6971 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
6973 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
6977 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
6979 GHashTable *assemblies = (GHashTable*)user_data;
6980 MonoImage *image = mono_assembly_get_image (ass);
6981 MonoMethod *method, *invoke;
6984 if (g_hash_table_lookup (assemblies, ass))
6987 g_hash_table_insert (assemblies, ass, ass);
6989 if (mini_verbose > 0)
6990 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
6992 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
6993 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
6994 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
6998 if (mini_verbose > 1) {
6999 char * desc = mono_method_full_name (method, TRUE);
7000 g_print ("Compiling %d %s\n", count, desc);
7003 mono_compile_method (method);
7004 if (strcmp (method->name, "Finalize") == 0) {
7005 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7006 mono_compile_method (invoke);
7008 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
7009 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7010 mono_compile_method (invoke);
7014 /* Load and precompile referenced assemblies as well */
7015 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7016 mono_assembly_load_reference (image, i);
7017 if (image->references [i])
7018 mono_precompile_assembly (image->references [i], assemblies);
7022 void mono_precompile_assemblies ()
7024 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7026 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7028 g_hash_table_destroy (assemblies);
7034 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7035 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7039 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7041 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7042 hole->clause = clause;
7043 hole->start_offset = start - cfg->native_code;
7044 hole->basic_block = bb;
7046 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7050 mono_cfg_set_exception (MonoCompile *cfg, int type)
7052 cfg->exception_type = type;