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.
12 #define MONO_LLVM_IN_MINI 1
22 #ifdef HAVE_SYS_TIME_H
26 #include <mono/utils/memcheck.h>
28 #include <mono/metadata/assembly.h>
29 #include <mono/metadata/loader.h>
30 #include <mono/metadata/tabledefs.h>
31 #include <mono/metadata/class.h>
32 #include <mono/metadata/object.h>
33 #include <mono/metadata/tokentype.h>
34 #include <mono/metadata/tabledefs.h>
35 #include <mono/metadata/threads.h>
36 #include <mono/metadata/appdomain.h>
37 #include <mono/metadata/debug-helpers.h>
38 #include <mono/io-layer/io-layer.h>
39 #include "mono/metadata/profiler.h"
40 #include <mono/metadata/profiler-private.h>
41 #include <mono/metadata/mono-config.h>
42 #include <mono/metadata/environment.h>
43 #include <mono/metadata/mono-debug.h>
44 #include <mono/metadata/gc-internal.h>
45 #include <mono/metadata/threads-types.h>
46 #include <mono/metadata/verify.h>
47 #include <mono/metadata/verify-internals.h>
48 #include <mono/metadata/mempool-internals.h>
49 #include <mono/metadata/attach.h>
50 #include <mono/metadata/runtime.h>
51 #include <mono/utils/mono-math.h>
52 #include <mono/utils/mono-compiler.h>
53 #include <mono/utils/mono-counters.h>
54 #include <mono/utils/mono-logger-internal.h>
55 #include <mono/utils/mono-mmap.h>
56 #include <mono/utils/dtrace.h>
59 #include "mini-llvm.h"
66 #include "jit-icalls.h"
68 #include "debug-mini.h"
70 #include "debugger-agent.h"
72 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
75 static guint32 default_opt = 0;
76 static gboolean default_opt_set = FALSE;
78 guint32 mono_jit_tls_id = -1;
80 MONO_FAST_TLS_DECLARE(mono_jit_tls);
82 #ifndef MONO_ARCH_MONITOR_ENTER_ADJUSTMENT
83 #define MONO_ARCH_MONITOR_ENTER_ADJUSTMENT 1
86 MonoTraceSpec *mono_jit_trace_calls = NULL;
87 gboolean mono_break_on_exc = FALSE;
88 gboolean mono_compile_aot = FALSE;
89 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
90 gboolean mono_aot_only = FALSE;
91 /* Whenever to use IMT */
92 #ifdef MONO_ARCH_HAVE_IMT
93 gboolean mono_use_imt = TRUE;
95 gboolean mono_use_imt = FALSE;
97 MonoMethodDesc *mono_inject_async_exc_method = NULL;
98 int mono_inject_async_exc_pos;
99 MonoMethodDesc *mono_break_at_bb_method = NULL;
100 int mono_break_at_bb_bb_num;
101 gboolean mono_do_x86_stack_align = TRUE;
102 const char *mono_build_date;
103 gboolean mono_do_signal_chaining;
104 static gboolean mono_using_xdebug;
105 static int mini_verbose = 0;
108 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
109 * it can load AOT code compiled by LLVM.
111 gboolean mono_use_llvm = FALSE;
113 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
114 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
115 static CRITICAL_SECTION jit_mutex;
117 static MonoCodeManager *global_codeman = NULL;
119 static GHashTable *jit_icall_name_hash = NULL;
121 static MonoDebugOptions debug_options;
123 #ifdef VALGRIND_JIT_REGISTER_MAP
124 static int valgrind_register = 0;
128 * Table written to by the debugger with a 1-based index into the
129 * mono_breakpoint_info table, which contains changes made to
130 * the JIT instructions by the debugger.
133 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
135 /* Whenever to check for pending exceptions in managed-to-native wrappers */
136 gboolean check_for_pending_exc = TRUE;
138 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
139 gboolean disable_vtypes_in_regs = FALSE;
141 gboolean mono_dont_free_global_codeman;
144 mono_realloc_native_code (MonoCompile *cfg)
146 #if defined(__default_codegen__)
147 return g_realloc (cfg->native_code, cfg->code_size);
148 #elif defined(__native_client_codegen__)
150 gpointer native_code;
151 guint alignment_check;
153 /* Save the old alignment offset so we can re-align after the realloc. */
154 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
156 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
157 cfg->code_size + kNaClAlignment );
159 /* Align native_code to next nearest kNaClAlignment byte. */
160 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
161 native_code = (guint)native_code & ~kNaClAlignmentMask;
163 /* Shift the data to be 32-byte aligned again. */
164 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
166 alignment_check = (guint)native_code & kNaClAlignmentMask;
167 g_assert (alignment_check == 0);
170 g_assert_not_reached ();
171 return cfg->native_code;
175 #ifdef __native_client_codegen__
177 /* Prevent instructions from straddling a 32-byte alignment boundary. */
178 /* Instructions longer than 32 bytes must be aligned internally. */
179 /* IN: pcode, instlen */
181 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
184 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
186 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
187 g_assert_not_reached();
188 } else if (instlen > space_in_block) {
189 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
193 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
194 /* IN: start pointer to start of call sequence */
195 /* IN: pcode pointer to end of call sequence (current "IP") */
196 /* OUT: start pointer to the start of the call sequence after padding */
197 /* OUT: pcode pointer to the end of the call sequence after padding */
198 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
199 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
200 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
203 const size_t length = (size_t)((*pcode)-(*start));
204 g_assert(length < MAX_NACL_CALL_LENGTH);
206 memcpy(copy_of_call, *start, length);
207 temp = mono_nacl_pad_call(*start, (guint8)length);
208 memcpy(temp, copy_of_call, length);
210 (*pcode) = temp + length;
213 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
214 /* code pointer to buffer for emitting code */
215 /* ilength length of call instruction */
216 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
217 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
218 int padding = freeSpaceInBlock - ilength;
221 /* There isn't enough space in this block for the instruction. */
222 /* Fill this block and start a new one. */
223 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
224 freeSpaceInBlock = kNaClAlignment;
225 padding = freeSpaceInBlock - ilength;
227 g_assert(ilength > 0);
228 g_assert(padding >= 0);
229 g_assert(padding < kNaClAlignment);
230 if (0 == padding) return code;
231 return mono_arch_nacl_pad(code, padding);
234 guint8 *mono_nacl_align(guint8 *code) {
235 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
236 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
240 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
242 MonoJumpInfo *patch_info;
243 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
244 unsigned char *ip = patch_info->ip.i + code;
245 ip = mono_arch_nacl_skip_nops(ip);
246 patch_info->ip.i = ip - code;
249 #endif /* __native_client_codegen__ */
252 mono_running_on_valgrind (void)
254 if (RUNNING_ON_VALGRIND){
255 #ifdef VALGRIND_JIT_REGISTER_MAP
256 valgrind_register = TRUE;
264 MonoExceptionClause *clause;
265 MonoBasicBlock *basic_block;
275 find_tramp (gpointer key, gpointer value, gpointer user_data)
277 FindTrampUserData *ud = (FindTrampUserData*)user_data;
280 ud->method = (MonoMethod*)key;
284 G_GNUC_UNUSED static char*
285 get_method_from_ip (void *ip)
290 MonoDomain *domain = mono_domain_get ();
291 MonoDebugSourceLocation *location;
292 FindTrampUserData user_data;
294 ji = mono_jit_info_table_find (domain, ip);
297 user_data.method = NULL;
298 mono_domain_lock (domain);
299 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
300 mono_domain_unlock (domain);
301 if (user_data.method) {
302 char *mname = mono_method_full_name (user_data.method, TRUE);
303 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
310 method = mono_method_full_name (ji->method, TRUE);
311 /* FIXME: unused ? */
312 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
314 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);
316 mono_debug_free_source_location (location);
324 * @ip: an instruction pointer address
326 * This method is used from a debugger to get the name of the
327 * method at address @ip. This routine is typically invoked from
328 * a debugger like this:
330 * (gdb) print mono_pmip ($pc)
332 * Returns: the name of the method at address @ip.
337 return get_method_from_ip (ip);
341 * mono_print_method_from_ip
342 * @ip: an instruction pointer address
344 * This method is used from a debugger to get the name of the
345 * method at address @ip.
347 * This prints the name of the method at address @ip in the standard
348 * output. Unlike mono_pmip which returns a string, this routine
349 * prints the value on the standard output.
352 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
353 __attribute__((used))
356 mono_print_method_from_ip (void *ip)
360 MonoDebugSourceLocation *source;
361 MonoDomain *domain = mono_domain_get ();
362 MonoDomain *target_domain = mono_domain_get ();
363 FindTrampUserData user_data;
365 ji = mini_jit_info_table_find (domain, ip, &target_domain);
368 user_data.method = NULL;
369 mono_domain_lock (domain);
370 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
371 mono_domain_unlock (domain);
372 if (user_data.method) {
373 char *mname = mono_method_full_name (user_data.method, TRUE);
374 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
378 g_print ("No method at %p\n", ip);
382 method = mono_method_full_name (ji->method, TRUE);
383 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
385 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);
388 g_print ("%s:%d\n", source->source_file, source->row);
391 mono_debug_free_source_location (source);
396 * mono_method_same_domain:
398 * Determine whenever two compiled methods are in the same domain, thus
399 * the address of the callee can be embedded in the caller.
401 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
403 if (!caller || !callee)
407 * If the call was made from domain-neutral to domain-specific
408 * code, we can't patch the call site.
410 if (caller->domain_neutral && !callee->domain_neutral)
413 if ((caller->method->klass == mono_defaults.appdomain_class) &&
414 (strstr (caller->method->name, "InvokeInDomain"))) {
415 /* The InvokeInDomain methods change the current appdomain */
423 * mono_global_codeman_reserve:
425 * Allocate code memory from the global code manager.
427 void *mono_global_codeman_reserve (int size)
432 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
434 if (!global_codeman) {
435 /* This can happen during startup */
436 global_codeman = mono_code_manager_new ();
437 return mono_code_manager_reserve (global_codeman, size);
441 ptr = mono_code_manager_reserve (global_codeman, size);
447 #if defined(__native_client_codegen__) && defined(__native_client__)
448 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
449 * which we are generating code, return a pointer to the destination in the
450 * dynamic code segment into which the code will be copied when
451 * mono_global_codeman_commit is called.
452 * LOCKING: Acquires the jit lock.
455 nacl_global_codeman_get_dest (void *data)
459 dest = nacl_code_manager_get_code_dest (global_codeman, data);
465 mono_global_codeman_commit (void *data, int size, int newsize)
468 mono_code_manager_commit (global_codeman, data, size, newsize);
473 * Convenience function which calls mono_global_codeman_commit to validate and
474 * copy the code. The caller sets *buf_base and *buf_size to the start and size
475 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
476 * the byte after the last instruction byte. On return, *buf_base will point to
477 * the start of the copied in the code segment, and *code_end will point after
478 * the end of the copied code.
481 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
483 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
484 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
485 *code_end = tmp + (*code_end - *buf_base);
489 /* no-op versions of Native Client functions */
491 nacl_global_codeman_get_dest (void *data)
497 mono_global_codeman_commit (void *data, int size, int newsize)
502 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
506 #endif /* __native_client__ */
509 * mono_create_unwind_op:
511 * Create an unwind op with the given parameters.
514 mono_create_unwind_op (int when, int tag, int reg, int val)
516 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
527 * mono_emit_unwind_op:
529 * Add an unwind op with the given parameters for the list of unwind ops stored in
533 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
535 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
542 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
546 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
548 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
551 res->has_context = context != NULL;
553 memcpy (&res->context, context, sizeof (MonoGenericContext));
559 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
561 return mono_jump_info_token_new2 (mp, image, token, NULL);
565 * mono_tramp_info_create:
567 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
568 * of NAME, JI, and UNWIND_OPS.
571 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
573 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
575 info->name = (char*)name;
577 info->code_size = code_size;
579 info->unwind_ops = unwind_ops;
585 mono_tramp_info_free (MonoTrampInfo *info)
592 for (l = info->unwind_ops; l; l = l->next)
594 g_slist_free (info->unwind_ops);
598 #define MONO_INIT_VARINFO(vi,id) do { \
599 (vi)->range.first_use.pos.bid = 0xffff; \
605 * mono_unlink_bblock:
607 * Unlink two basic blocks.
610 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
616 for (i = 0; i < from->out_count; ++i) {
617 if (to == from->out_bb [i]) {
624 for (i = 0; i < from->out_count; ++i) {
625 if (from->out_bb [i] != to)
626 from->out_bb [pos ++] = from->out_bb [i];
628 g_assert (pos == from->out_count - 1);
633 for (i = 0; i < to->in_count; ++i) {
634 if (from == to->in_bb [i]) {
641 for (i = 0; i < to->in_count; ++i) {
642 if (to->in_bb [i] != from)
643 to->in_bb [pos ++] = to->in_bb [i];
645 g_assert (pos == to->in_count - 1);
651 * mono_bblocks_linked:
653 * Return whenever BB1 and BB2 are linked in the CFG.
656 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
660 for (i = 0; i < bb1->out_count; ++i) {
661 if (bb1->out_bb [i] == bb2)
669 mono_find_block_region_notry (MonoCompile *cfg, int offset)
671 MonoMethodHeader *header = cfg->header;
672 MonoExceptionClause *clause;
675 for (i = 0; i < header->num_clauses; ++i) {
676 clause = &header->clauses [i];
677 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
678 (offset < (clause->handler_offset)))
679 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
681 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
682 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
683 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
684 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
685 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
687 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
695 * mono_get_block_region_notry:
697 * Return the region corresponding to REGION, ignoring try clauses nested inside
701 mono_get_block_region_notry (MonoCompile *cfg, int region)
703 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
704 MonoMethodHeader *header = cfg->header;
707 * This can happen if a try clause is nested inside a finally clause.
709 int clause_index = (region >> 8) - 1;
710 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
712 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
719 mono_find_spvar_for_region (MonoCompile *cfg, int region)
721 region = mono_get_block_region_notry (cfg, region);
723 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
727 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
731 array [*dfn] = start;
732 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
733 for (i = 0; i < start->out_count; ++i) {
734 if (start->out_bb [i]->dfn)
737 start->out_bb [i]->dfn = *dfn;
738 start->out_bb [i]->df_parent = start;
739 array [*dfn] = start->out_bb [i];
740 df_visit (start->out_bb [i], dfn, array);
745 mono_reverse_branch_op (guint32 opcode)
747 static const int reverse_map [] = {
748 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
749 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
751 static const int reverse_fmap [] = {
752 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
753 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
755 static const int reverse_lmap [] = {
756 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
757 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
759 static const int reverse_imap [] = {
760 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
761 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
764 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
765 opcode = reverse_map [opcode - CEE_BEQ];
766 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
767 opcode = reverse_fmap [opcode - OP_FBEQ];
768 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
769 opcode = reverse_lmap [opcode - OP_LBEQ];
770 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
771 opcode = reverse_imap [opcode - OP_IBEQ];
773 g_assert_not_reached ();
779 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
782 return OP_STORE_MEMBASE_REG;
785 switch (type->type) {
788 case MONO_TYPE_BOOLEAN:
789 return OP_STOREI1_MEMBASE_REG;
793 return OP_STOREI2_MEMBASE_REG;
796 return OP_STOREI4_MEMBASE_REG;
800 case MONO_TYPE_FNPTR:
801 return OP_STORE_MEMBASE_REG;
802 case MONO_TYPE_CLASS:
803 case MONO_TYPE_STRING:
804 case MONO_TYPE_OBJECT:
805 case MONO_TYPE_SZARRAY:
806 case MONO_TYPE_ARRAY:
807 return OP_STORE_MEMBASE_REG;
810 return OP_STOREI8_MEMBASE_REG;
812 return OP_STORER4_MEMBASE_REG;
814 return OP_STORER8_MEMBASE_REG;
815 case MONO_TYPE_VALUETYPE:
816 if (type->data.klass->enumtype) {
817 type = mono_class_enum_basetype (type->data.klass);
820 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
821 return OP_STOREX_MEMBASE;
822 return OP_STOREV_MEMBASE;
823 case MONO_TYPE_TYPEDBYREF:
824 return OP_STOREV_MEMBASE;
825 case MONO_TYPE_GENERICINST:
826 type = &type->data.generic_class->container_class->byval_arg;
830 /* FIXME: all the arguments must be references for now,
831 * later look inside cfg and see if the arg num is
834 g_assert (cfg->generic_sharing_context);
835 return OP_STORE_MEMBASE_REG;
837 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
843 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
846 return OP_LOAD_MEMBASE;
848 type = mono_type_get_underlying_type (type);
850 switch (type->type) {
852 return OP_LOADI1_MEMBASE;
854 case MONO_TYPE_BOOLEAN:
855 return OP_LOADU1_MEMBASE;
857 return OP_LOADI2_MEMBASE;
860 return OP_LOADU2_MEMBASE;
862 return OP_LOADI4_MEMBASE;
864 return OP_LOADU4_MEMBASE;
868 case MONO_TYPE_FNPTR:
869 return OP_LOAD_MEMBASE;
870 case MONO_TYPE_CLASS:
871 case MONO_TYPE_STRING:
872 case MONO_TYPE_OBJECT:
873 case MONO_TYPE_SZARRAY:
874 case MONO_TYPE_ARRAY:
875 return OP_LOAD_MEMBASE;
878 return OP_LOADI8_MEMBASE;
880 return OP_LOADR4_MEMBASE;
882 return OP_LOADR8_MEMBASE;
883 case MONO_TYPE_VALUETYPE:
884 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
885 return OP_LOADX_MEMBASE;
886 case MONO_TYPE_TYPEDBYREF:
887 return OP_LOADV_MEMBASE;
888 case MONO_TYPE_GENERICINST:
889 if (mono_type_generic_inst_is_valuetype (type))
890 return OP_LOADV_MEMBASE;
892 return OP_LOAD_MEMBASE;
896 /* FIXME: all the arguments must be references for now,
897 * later look inside cfg and see if the arg num is
900 g_assert (cfg->generic_sharing_context);
901 return OP_LOAD_MEMBASE;
903 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
909 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
911 if (cfg->generic_sharing_context && !type->byref) {
912 /* FIXME: all the arguments must be references for now,
913 * later look inside cfg and see if the arg num is
916 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
917 return CEE_LDIND_REF;
919 return mono_type_to_ldind (type);
923 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
925 if (cfg->generic_sharing_context && !type->byref) {
926 /* FIXME: all the arguments must be references for now,
927 * later look inside cfg and see if the arg num is
930 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
931 return CEE_STIND_REF;
933 return mono_type_to_stind (type);
937 mono_op_imm_to_op (int opcode)
941 #if SIZEOF_REGISTER == 4
957 #if SIZEOF_REGISTER == 4
963 #if SIZEOF_REGISTER == 4
969 #if SIZEOF_REGISTER == 4
1000 case OP_IDIV_UN_IMM:
1002 case OP_IREM_UN_IMM:
1007 #if SIZEOF_REGISTER == 4
1013 #if SIZEOF_REGISTER == 4
1030 case OP_COMPARE_IMM:
1032 case OP_ICOMPARE_IMM:
1034 case OP_LOCALLOC_IMM:
1037 printf ("%s\n", mono_inst_name (opcode));
1038 g_assert_not_reached ();
1044 * mono_decompose_op_imm:
1046 * Replace the OP_.._IMM INS with its non IMM variant.
1049 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1053 MONO_INST_NEW (cfg, temp, OP_ICONST);
1054 temp->inst_c0 = ins->inst_imm;
1055 temp->dreg = mono_alloc_ireg (cfg);
1056 mono_bblock_insert_before_ins (bb, ins, temp);
1057 ins->opcode = mono_op_imm_to_op (ins->opcode);
1058 if (ins->opcode == OP_LOCALLOC)
1059 ins->sreg1 = temp->dreg;
1061 ins->sreg2 = temp->dreg;
1063 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1067 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1069 if (vreg >= cfg->vreg_to_inst_len) {
1070 MonoInst **tmp = cfg->vreg_to_inst;
1071 int size = cfg->vreg_to_inst_len;
1073 while (vreg >= cfg->vreg_to_inst_len)
1074 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1075 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1077 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1079 cfg->vreg_to_inst [vreg] = inst;
1082 #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)))
1083 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1088 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1096 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1099 int num = cfg->num_varinfo;
1102 if ((num + 1) >= cfg->varinfo_count) {
1103 int orig_count = cfg->varinfo_count;
1104 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1105 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1106 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1107 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1110 cfg->stat_allocate_var++;
1112 MONO_INST_NEW (cfg, inst, opcode);
1113 inst->inst_c0 = num;
1114 inst->inst_vtype = type;
1115 inst->klass = mono_class_from_mono_type (type);
1116 type_to_eval_stack_type (cfg, type, inst);
1117 /* if set to 1 the variable is native */
1118 inst->backend.is_pinvoke = 0;
1121 if (cfg->compute_gc_maps) {
1123 mono_mark_vreg_as_mp (cfg, vreg);
1125 MonoType *t = mini_type_get_underlying_type (NULL, type);
1126 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1127 inst->flags |= MONO_INST_GC_TRACK;
1128 mono_mark_vreg_as_ref (cfg, vreg);
1133 cfg->varinfo [num] = inst;
1135 MONO_INIT_VARINFO (&cfg->vars [num], num);
1136 MONO_VARINFO (cfg, num)->vreg = vreg;
1139 set_vreg_to_inst (cfg, vreg, inst);
1141 #if SIZEOF_REGISTER == 4
1142 #ifdef MONO_ARCH_SOFT_FLOAT
1143 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1145 regpair = mono_type_is_long (type);
1155 * These two cannot be allocated using create_var_for_vreg since that would
1156 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1160 * Set flags to VOLATILE so SSA skips it.
1163 if (cfg->verbose_level >= 4) {
1164 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1167 #ifdef MONO_ARCH_SOFT_FLOAT
1168 if (cfg->opt & MONO_OPT_SSA) {
1169 if (mono_type_is_float (type))
1170 inst->flags = MONO_INST_VOLATILE;
1174 /* Allocate a dummy MonoInst for the first vreg */
1175 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1176 tree->dreg = inst->dreg + 1;
1177 if (cfg->opt & MONO_OPT_SSA)
1178 tree->flags = MONO_INST_VOLATILE;
1179 tree->inst_c0 = num;
1180 tree->type = STACK_I4;
1181 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1182 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1184 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1186 /* Allocate a dummy MonoInst for the second vreg */
1187 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1188 tree->dreg = inst->dreg + 2;
1189 if (cfg->opt & MONO_OPT_SSA)
1190 tree->flags = MONO_INST_VOLATILE;
1191 tree->inst_c0 = num;
1192 tree->type = STACK_I4;
1193 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1194 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1196 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1200 if (cfg->verbose_level > 2)
1201 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1206 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1210 if (mono_type_is_long (type))
1211 dreg = mono_alloc_dreg (cfg, STACK_I8);
1212 #ifdef MONO_ARCH_SOFT_FLOAT
1213 else if (mono_type_is_float (type))
1214 dreg = mono_alloc_dreg (cfg, STACK_R8);
1217 /* All the others are unified */
1218 dreg = mono_alloc_preg (cfg);
1220 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1224 * Transform a MonoInst into a load from the variable of index var_index.
1227 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1228 memset (dest, 0, sizeof (MonoInst));
1229 dest->inst_i0 = cfg->varinfo [var_index];
1230 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1231 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1232 dest->klass = dest->inst_i0->klass;
1238 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1240 if (vreg >= cfg->vreg_is_ref_len) {
1241 gboolean *tmp = cfg->vreg_is_ref;
1242 int size = cfg->vreg_is_ref_len;
1244 while (vreg >= cfg->vreg_is_ref_len)
1245 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1246 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1248 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1250 cfg->vreg_is_ref [vreg] = TRUE;
1254 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1256 if (vreg >= cfg->vreg_is_mp_len) {
1257 gboolean *tmp = cfg->vreg_is_mp;
1258 int size = cfg->vreg_is_mp_len;
1260 while (vreg >= cfg->vreg_is_mp_len)
1261 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1262 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1264 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1266 cfg->vreg_is_mp [vreg] = TRUE;
1270 type_from_stack_type (MonoInst *ins) {
1271 switch (ins->type) {
1272 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1273 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1274 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1275 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1278 * this if used to be commented without any specific reason, but
1279 * it breaks #80235 when commented
1282 return &ins->klass->this_arg;
1284 return &mono_defaults.object_class->this_arg;
1286 /* ins->klass may not be set for ldnull.
1287 * Also, if we have a boxed valuetype, we want an object lass,
1288 * not the valuetype class
1290 if (ins->klass && !ins->klass->valuetype)
1291 return &ins->klass->byval_arg;
1292 return &mono_defaults.object_class->byval_arg;
1293 case STACK_VTYPE: return &ins->klass->byval_arg;
1295 g_error ("stack type %d to montype not handled\n", ins->type);
1301 mono_type_from_stack_type (MonoInst *ins) {
1302 return type_from_stack_type (ins);
1306 * mono_add_ins_to_end:
1308 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1311 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1316 MONO_ADD_INS (bb, inst);
1320 switch (bb->last_ins->opcode) {
1334 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1337 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1338 /* Need to insert the ins before the compare */
1339 if (bb->code == bb->last_ins) {
1340 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1344 if (bb->code->next == bb->last_ins) {
1345 /* Only two instructions */
1346 opcode = bb->code->opcode;
1348 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)) {
1350 mono_bblock_insert_before_ins (bb, bb->code, inst);
1352 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1355 opcode = bb->last_ins->prev->opcode;
1357 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)) {
1359 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1361 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1366 MONO_ADD_INS (bb, inst);
1372 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1374 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1375 MonoJumpInfoBBTable *table;
1377 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1379 table->table_size = num_blocks;
1381 ji->ip.label = label;
1382 ji->type = MONO_PATCH_INFO_SWITCH;
1383 ji->data.table = table;
1384 ji->next = cfg->patch_info;
1385 cfg->patch_info = ji;
1388 static MonoMethodSignature *
1389 mono_get_array_new_va_signature (int arity)
1391 static GHashTable *sighash = NULL;
1392 MonoMethodSignature *res;
1397 sighash = g_hash_table_new (NULL, NULL);
1399 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1404 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1407 #ifdef MONO_ARCH_VARARG_ICALLS
1408 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1409 res->call_convention = MONO_CALL_VARARG;
1413 res->call_convention = MONO_CALL_C;
1416 res->params [0] = &mono_defaults.int_class->byval_arg;
1417 for (i = 0; i < arity; i++)
1418 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1420 res->ret = &mono_defaults.object_class->byval_arg;
1422 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1429 mono_get_array_new_va_icall (int rank)
1431 MonoMethodSignature *esig;
1432 char icall_name [256];
1434 MonoJitICallInfo *info;
1436 /* Need to register the icall so it gets an icall wrapper */
1437 sprintf (icall_name, "ves_array_new_va_%d", rank);
1440 info = mono_find_jit_icall_by_name (icall_name);
1442 esig = mono_get_array_new_va_signature (rank);
1443 name = g_strdup (icall_name);
1444 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1446 g_hash_table_insert (jit_icall_name_hash, name, name);
1454 mini_class_is_system_array (MonoClass *klass)
1456 if (klass->parent == mono_defaults.array_class)
1463 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1465 MonoAssembly *assembly = method->klass->image->assembly;
1466 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1468 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1470 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1472 return mono_assembly_has_skip_verification (assembly);
1476 * mini_method_verify:
1478 * Verify the method using the new verfier.
1480 * Returns true if the method is invalid.
1483 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1486 gboolean is_fulltrust;
1487 MonoLoaderError *error;
1489 if (method->verification_success)
1492 if (!mono_verifier_is_enabled_for_method (method))
1495 /*skip verification implies the assembly must be */
1496 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1498 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1500 if ((error = mono_loader_get_last_error ())) {
1502 cfg->exception_type = error->exception_type;
1504 mono_loader_clear_error ();
1506 mono_free_verify_list (res);
1511 for (tmp = res; tmp; tmp = tmp->next) {
1512 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1513 if (info->info.status == MONO_VERIFY_ERROR) {
1515 char *method_name = mono_method_full_name (method, TRUE);
1516 cfg->exception_type = info->exception_type;
1517 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1518 g_free (method_name);
1520 mono_free_verify_list (res);
1523 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1525 char *method_name = mono_method_full_name (method, TRUE);
1526 cfg->exception_type = info->exception_type;
1527 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1528 g_free (method_name);
1530 mono_free_verify_list (res);
1534 mono_free_verify_list (res);
1536 method->verification_success = 1;
1540 /*Returns true if something went wrong*/
1542 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1544 MonoMethod *method_definition = method;
1545 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1547 while (method_definition->is_inflated) {
1548 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1549 method_definition = imethod->declaring;
1552 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1555 static gconstpointer
1556 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1559 MonoMethod *wrapper;
1560 gconstpointer trampoline;
1561 MonoDomain *domain = mono_get_root_domain ();
1563 if (callinfo->wrapper) {
1564 return callinfo->wrapper;
1567 if (callinfo->trampoline)
1568 return callinfo->trampoline;
1571 * We use the lock on the root domain instead of the JIT lock to protect
1572 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1574 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1575 mono_domain_lock (domain);
1577 if (callinfo->trampoline) {
1578 mono_domain_unlock (domain);
1579 mono_loader_unlock ();
1580 return callinfo->trampoline;
1583 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1584 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1588 trampoline = mono_compile_method (wrapper);
1590 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1591 mono_register_jit_icall_wrapper (callinfo, trampoline);
1593 callinfo->trampoline = trampoline;
1595 mono_domain_unlock (domain);
1596 mono_loader_unlock ();
1598 return callinfo->trampoline;
1602 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1604 return mono_icall_get_wrapper_full (callinfo, FALSE);
1608 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1610 if (!domain_jit_info (domain)->dynamic_code_hash)
1611 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1612 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1615 static MonoJitDynamicMethodInfo*
1616 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1618 MonoJitDynamicMethodInfo *res;
1620 if (domain_jit_info (domain)->dynamic_code_hash)
1621 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1629 GList *active, *inactive;
1634 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1636 MonoMethodVar *v1 = (MonoMethodVar*)a;
1637 MonoMethodVar *v2 = (MonoMethodVar*)b;
1641 else if (v1->interval->range && v2->interval->range)
1642 return v1->interval->range->from - v2->interval->range->from;
1643 else if (v1->interval->range)
1652 #define LSCAN_DEBUG(a) do { a; } while (0)
1654 #define LSCAN_DEBUG(a)
1658 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1660 int i, slot, offset, size;
1665 GList *vars = NULL, *l, *unhandled;
1666 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1669 gboolean reuse_slot;
1671 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1673 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1674 vtype_stack_slots = NULL;
1677 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1678 for (i = 0; i < cfg->num_varinfo; ++i)
1681 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1682 inst = cfg->varinfo [i];
1683 vmv = MONO_VARINFO (cfg, i);
1685 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1688 vars = g_list_prepend (vars, vmv);
1691 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1696 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1697 MonoMethodVar *current = unhandled->data;
1699 if (current->interval->range) {
1700 g_assert (current->interval->range->from >= i);
1701 i = current->interval->range->from;
1708 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1709 MonoMethodVar *current = unhandled->data;
1712 inst = cfg->varinfo [vmv->idx];
1714 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1715 * pinvoke wrappers when they call functions returning structures */
1716 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1717 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1722 size = mono_type_size (inst->inst_vtype, &ialign);
1725 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1730 if (cfg->disable_reuse_stack_slots)
1733 t = mono_type_get_underlying_type (inst->inst_vtype);
1735 case MONO_TYPE_GENERICINST:
1736 if (!mono_type_generic_inst_is_valuetype (t)) {
1737 slot_info = &scalar_stack_slots [t->type];
1741 case MONO_TYPE_VALUETYPE:
1742 if (!vtype_stack_slots)
1743 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1744 for (i = 0; i < nvtypes; ++i)
1745 if (t->data.klass == vtype_stack_slots [i].vtype)
1748 slot_info = &vtype_stack_slots [i];
1750 g_assert (nvtypes < 256);
1751 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1752 slot_info = &vtype_stack_slots [nvtypes];
1755 if (cfg->disable_reuse_ref_stack_slots)
1762 #if SIZEOF_VOID_P == 4
1767 if (cfg->disable_ref_noref_stack_slot_share) {
1768 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1773 case MONO_TYPE_CLASS:
1774 case MONO_TYPE_OBJECT:
1775 case MONO_TYPE_ARRAY:
1776 case MONO_TYPE_SZARRAY:
1777 case MONO_TYPE_STRING:
1778 /* Share non-float stack slots of the same size */
1779 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1780 if (cfg->disable_reuse_ref_stack_slots)
1785 slot_info = &scalar_stack_slots [t->type];
1789 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1793 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1795 if (!current->interval->range) {
1796 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1800 inst->flags |= MONO_INST_IS_DEAD;
1805 pos = current->interval->range->from;
1807 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1808 if (current->interval->range)
1809 LSCAN_DEBUG (mono_linterval_print (current->interval));
1810 LSCAN_DEBUG (printf ("\n"));
1812 /* Check for intervals in active which expired or inactive */
1814 /* FIXME: Optimize this */
1817 for (l = slot_info->active; l != NULL; l = l->next) {
1818 MonoMethodVar *v = (MonoMethodVar*)l->data;
1820 if (v->interval->last_range->to < pos) {
1821 slot_info->active = g_list_delete_link (slot_info->active, l);
1822 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1823 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1827 else if (!mono_linterval_covers (v->interval, pos)) {
1828 slot_info->inactive = g_list_append (slot_info->inactive, v);
1829 slot_info->active = g_list_delete_link (slot_info->active, l);
1830 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1837 /* Check for intervals in inactive which expired or active */
1839 /* FIXME: Optimize this */
1842 for (l = slot_info->inactive; l != NULL; l = l->next) {
1843 MonoMethodVar *v = (MonoMethodVar*)l->data;
1845 if (v->interval->last_range->to < pos) {
1846 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1847 // FIXME: Enabling this seems to cause impossible to debug crashes
1848 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1849 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1853 else if (mono_linterval_covers (v->interval, pos)) {
1854 slot_info->active = g_list_append (slot_info->active, v);
1855 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1856 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1864 * This also handles the case when the variable is used in an
1865 * exception region, as liveness info is not computed there.
1868 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1871 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1872 if (slot_info->slots) {
1873 slot = GPOINTER_TO_INT (slot_info->slots->data);
1875 slot_info->slots = slot_info->slots->next;
1878 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1880 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1886 static int count = 0;
1889 if (count == atoi (getenv ("COUNT3")))
1890 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1891 if (count > atoi (getenv ("COUNT3")))
1894 mono_print_ins (inst);
1899 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1901 if (inst->flags & MONO_INST_LMF) {
1902 size = sizeof (MonoLMF);
1903 align = sizeof (mgreg_t);
1910 if (slot == 0xffffff) {
1912 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1913 * efficient copying (and to work around the fact that OP_MEMCPY
1914 * and OP_MEMSET ignores alignment).
1916 if (MONO_TYPE_ISSTRUCT (t)) {
1917 align = MAX (align, sizeof (gpointer));
1918 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1923 offset += align - 1;
1924 offset &= ~(align - 1);
1928 offset += align - 1;
1929 offset &= ~(align - 1);
1934 if (*stack_align == 0)
1935 *stack_align = align;
1938 offsets [vmv->idx] = slot;
1941 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1942 if (scalar_stack_slots [i].active)
1943 g_list_free (scalar_stack_slots [i].active);
1945 for (i = 0; i < nvtypes; ++i) {
1946 if (vtype_stack_slots [i].active)
1947 g_list_free (vtype_stack_slots [i].active);
1950 cfg->stat_locals_stack_size += offset;
1952 *stack_size = offset;
1957 * mono_allocate_stack_slots:
1959 * Allocate stack slots for all non register allocated variables using a
1960 * linear scan algorithm.
1961 * Returns: an array of stack offsets.
1962 * STACK_SIZE is set to the amount of stack space needed.
1963 * STACK_ALIGN is set to the alignment needed by the locals area.
1966 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1968 int i, slot, offset, size;
1973 GList *vars = NULL, *l;
1974 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1977 gboolean reuse_slot;
1979 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1980 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
1982 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1983 vtype_stack_slots = NULL;
1986 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1987 for (i = 0; i < cfg->num_varinfo; ++i)
1990 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1991 inst = cfg->varinfo [i];
1992 vmv = MONO_VARINFO (cfg, i);
1994 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1997 vars = g_list_prepend (vars, vmv);
2000 vars = mono_varlist_sort (cfg, vars, 0);
2002 *stack_align = sizeof(mgreg_t);
2003 for (l = vars; l; l = l->next) {
2005 inst = cfg->varinfo [vmv->idx];
2007 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2008 * pinvoke wrappers when they call functions returning structures */
2009 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
2010 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
2014 size = mono_type_size (inst->inst_vtype, &ialign);
2017 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
2022 if (cfg->disable_reuse_stack_slots)
2025 t = mono_type_get_underlying_type (inst->inst_vtype);
2027 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2030 case MONO_TYPE_GENERICINST:
2031 if (!mono_type_generic_inst_is_valuetype (t)) {
2032 slot_info = &scalar_stack_slots [t->type];
2036 case MONO_TYPE_VALUETYPE:
2037 if (!vtype_stack_slots)
2038 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2039 for (i = 0; i < nvtypes; ++i)
2040 if (t->data.klass == vtype_stack_slots [i].vtype)
2043 slot_info = &vtype_stack_slots [i];
2045 g_assert (nvtypes < 256);
2046 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2047 slot_info = &vtype_stack_slots [nvtypes];
2050 if (cfg->disable_reuse_ref_stack_slots)
2057 #if SIZEOF_VOID_P == 4
2062 if (cfg->disable_ref_noref_stack_slot_share) {
2063 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2068 case MONO_TYPE_CLASS:
2069 case MONO_TYPE_OBJECT:
2070 case MONO_TYPE_ARRAY:
2071 case MONO_TYPE_SZARRAY:
2072 case MONO_TYPE_STRING:
2073 /* Share non-float stack slots of the same size */
2074 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2075 if (cfg->disable_reuse_ref_stack_slots)
2080 slot_info = &scalar_stack_slots [t->type];
2085 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2086 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2088 /* expire old intervals in active */
2089 while (slot_info->active) {
2090 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2092 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2095 //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);
2097 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2098 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2102 * This also handles the case when the variable is used in an
2103 * exception region, as liveness info is not computed there.
2106 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2109 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2110 if (slot_info->slots) {
2111 slot = GPOINTER_TO_INT (slot_info->slots->data);
2113 slot_info->slots = slot_info->slots->next;
2116 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2121 static int count = 0;
2125 if (count == atoi (getenv ("COUNT")))
2126 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2127 if (count > atoi (getenv ("COUNT")))
2130 mono_print_ins (inst);
2135 if (inst->flags & MONO_INST_LMF) {
2137 * This variable represents a MonoLMF structure, which has no corresponding
2138 * CLR type, so hard-code its size/alignment.
2140 size = sizeof (MonoLMF);
2141 align = sizeof (mgreg_t);
2148 if (slot == 0xffffff) {
2150 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2151 * efficient copying (and to work around the fact that OP_MEMCPY
2152 * and OP_MEMSET ignores alignment).
2154 if (MONO_TYPE_ISSTRUCT (t)) {
2155 align = MAX (align, sizeof (gpointer));
2156 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2158 * Align the size too so the code generated for passing vtypes in
2159 * registers doesn't overwrite random locals.
2161 size = (size + (align - 1)) & ~(align -1);
2166 offset += align - 1;
2167 offset &= ~(align - 1);
2171 offset += align - 1;
2172 offset &= ~(align - 1);
2177 *stack_align = MAX (*stack_align, align);
2180 offsets [vmv->idx] = slot;
2183 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2184 if (scalar_stack_slots [i].active)
2185 g_list_free (scalar_stack_slots [i].active);
2187 for (i = 0; i < nvtypes; ++i) {
2188 if (vtype_stack_slots [i].active)
2189 g_list_free (vtype_stack_slots [i].active);
2192 cfg->stat_locals_stack_size += offset;
2194 *stack_size = offset;
2201 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2203 g_assert_not_reached ();
2207 #endif /* DISABLE_JIT */
2209 #define EMUL_HIT_SHIFT 3
2210 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2211 /* small hit bitmap cache */
2212 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2213 static short emul_opcode_num = 0;
2214 static short emul_opcode_alloced = 0;
2215 static short *emul_opcode_opcodes = NULL;
2216 static MonoJitICallInfo **emul_opcode_map = NULL;
2219 mono_find_jit_opcode_emulation (int opcode)
2221 g_assert (opcode >= 0 && opcode <= OP_LAST);
2222 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2224 for (i = 0; i < emul_opcode_num; ++i) {
2225 if (emul_opcode_opcodes [i] == opcode)
2226 return emul_opcode_map [i];
2233 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
2235 MonoJitICallInfo *info;
2236 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2238 g_assert (!sig->hasthis);
2239 g_assert (sig->param_count < 3);
2241 info = mono_register_jit_icall (func, name, sig, no_throw);
2243 if (emul_opcode_num >= emul_opcode_alloced) {
2244 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2245 emul_opcode_alloced += incr;
2246 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2247 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2249 emul_opcode_map [emul_opcode_num] = info;
2250 emul_opcode_opcodes [emul_opcode_num] = opcode;
2252 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2256 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2258 MonoMethodSignature *sig;
2261 sig = mono_create_icall_signature (sigstr);
2265 mono_register_jit_icall (func, name, sig, save);
2269 print_dfn (MonoCompile *cfg) {
2276 char *method_name = mono_method_full_name (cfg->method, TRUE);
2277 g_print ("IR code for method %s\n", method_name);
2278 g_free (method_name);
2281 for (i = 0; i < cfg->num_bblocks; ++i) {
2282 bb = cfg->bblocks [i];
2283 /*if (bb->cil_code) {
2284 char* code1, *code2;
2285 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2286 if (bb->last_ins->cil_code)
2287 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2289 code2 = g_strdup ("");
2291 code1 [strlen (code1) - 1] = 0;
2292 code = g_strdup_printf ("%s -> %s", code1, code2);
2296 code = g_strdup ("\n");
2297 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2298 MONO_BB_FOR_EACH_INS (bb, c) {
2299 mono_print_ins_index (-1, c);
2302 g_print ("\tprev:");
2303 for (j = 0; j < bb->in_count; ++j) {
2304 g_print (" BB%d", bb->in_bb [j]->block_num);
2306 g_print ("\t\tsucc:");
2307 for (j = 0; j < bb->out_count; ++j) {
2308 g_print (" BB%d", bb->out_bb [j]->block_num);
2310 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2313 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2316 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2318 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2326 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2328 MONO_ADD_INS (bb, inst);
2332 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2336 bb->code = ins_to_insert;
2338 /* Link with next */
2339 ins_to_insert->next = ins;
2341 ins->prev = ins_to_insert;
2343 if (bb->last_ins == NULL)
2344 bb->last_ins = ins_to_insert;
2346 /* Link with next */
2347 ins_to_insert->next = ins->next;
2349 ins->next->prev = ins_to_insert;
2351 /* Link with previous */
2352 ins->next = ins_to_insert;
2353 ins_to_insert->prev = ins;
2355 if (bb->last_ins == ins)
2356 bb->last_ins = ins_to_insert;
2361 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2366 ins->prev = ins_to_insert;
2367 bb->code = ins_to_insert;
2368 ins_to_insert->next = ins;
2369 if (bb->last_ins == NULL)
2370 bb->last_ins = ins_to_insert;
2372 /* Link with previous */
2374 ins->prev->next = ins_to_insert;
2375 ins_to_insert->prev = ins->prev;
2377 /* Link with next */
2378 ins->prev = ins_to_insert;
2379 ins_to_insert->next = ins;
2381 if (bb->code == ins)
2382 bb->code = ins_to_insert;
2387 * mono_verify_bblock:
2389 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2392 mono_verify_bblock (MonoBasicBlock *bb)
2394 MonoInst *ins, *prev;
2397 for (ins = bb->code; ins; ins = ins->next) {
2398 g_assert (ins->prev == prev);
2402 g_assert (!bb->last_ins->next);
2408 * Perform consistency checks on the JIT data structures and the IR
2411 mono_verify_cfg (MonoCompile *cfg)
2415 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2416 mono_verify_bblock (bb);
2420 mono_destroy_compile (MonoCompile *cfg)
2425 mono_metadata_free_mh (cfg->header);
2426 //mono_mempool_stats (cfg->mempool);
2427 mono_free_loop_info (cfg);
2429 mono_regstate_free (cfg->rs);
2431 g_hash_table_destroy (cfg->spvars);
2433 g_hash_table_destroy (cfg->exvars);
2434 for (l = cfg->headers_to_free; l; l = l->next)
2435 mono_metadata_free_mh (l->data);
2436 g_list_free (cfg->ldstr_list);
2437 g_hash_table_destroy (cfg->token_info_hash);
2438 if (cfg->abs_patches)
2439 g_hash_table_destroy (cfg->abs_patches);
2440 mono_mempool_destroy (cfg->mempool);
2442 mono_debug_free_method (cfg);
2444 g_free (cfg->varinfo);
2446 g_free (cfg->exception_message);
2450 #ifdef MONO_HAVE_FAST_TLS
2451 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2452 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2454 * When this is defined, the current lmf is stored in this tls variable instead of in
2457 MONO_FAST_TLS_DECLARE(mono_lmf);
2462 mono_get_jit_tls_key (void)
2464 return mono_jit_tls_id;
2468 mono_get_jit_tls_offset (void)
2471 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2476 mono_get_lmf_tls_offset (void)
2478 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2480 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2488 mono_get_lmf_addr_tls_offset (void)
2491 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2498 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2499 return MONO_FAST_TLS_GET (mono_lmf);
2501 MonoJitTlsData *jit_tls;
2503 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2504 return jit_tls->lmf;
2506 * We do not assert here because this function can be called from
2507 * mini-gc.c on a thread that has not executed any managed code, yet
2508 * (the thread object allocation can trigger a collection).
2515 mono_get_lmf_addr (void)
2517 #ifdef MONO_HAVE_FAST_TLS
2518 return MONO_FAST_TLS_GET (mono_lmf_addr);
2520 MonoJitTlsData *jit_tls;
2522 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2523 return &jit_tls->lmf;
2526 * When resolving the call to mono_jit_thread_attach full-aot will look
2527 * in the plt, which causes a call into the generic trampoline, which in turn
2528 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2529 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2530 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2533 mono_jit_thread_attach (NULL);
2535 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2536 return &jit_tls->lmf;
2538 g_assert_not_reached ();
2544 mono_set_lmf (MonoLMF *lmf)
2546 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2547 MONO_FAST_TLS_SET (mono_lmf, lmf);
2550 (*mono_get_lmf_addr ()) = lmf;
2554 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2556 TlsSetValue (mono_jit_tls_id, jit_tls);
2558 #ifdef MONO_HAVE_FAST_TLS
2559 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2564 mono_set_lmf_addr (gpointer lmf_addr)
2566 #ifdef MONO_HAVE_FAST_TLS
2567 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2571 /* Called by native->managed wrappers */
2573 mono_jit_thread_attach (MonoDomain *domain)
2577 * Happens when called from AOTed code which is only used in the root
2580 domain = mono_get_root_domain ();
2582 #ifdef MONO_HAVE_FAST_TLS
2583 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2584 mono_thread_attach (domain);
2586 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2589 if (!TlsGetValue (mono_jit_tls_id)) {
2590 mono_thread_attach (domain);
2591 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2594 if (mono_domain_get () != domain)
2595 mono_domain_set (domain, TRUE);
2599 * mono_thread_abort:
2600 * @obj: exception object
2602 * abort the thread, print exception information and stack trace
2605 mono_thread_abort (MonoObject *obj)
2607 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2609 /* handle_remove should be eventually called for this thread, too
2612 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2613 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2614 mono_thread_exit ();
2616 exit (mono_environment_exitcode_get ());
2621 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2623 MonoJitTlsData *jit_tls;
2626 jit_tls = TlsGetValue (mono_jit_tls_id);
2630 jit_tls = g_new0 (MonoJitTlsData, 1);
2632 jit_tls->abort_func = abort_func;
2633 jit_tls->end_of_stack = stack_start;
2635 mono_set_jit_tls (jit_tls);
2637 lmf = g_new0 (MonoLMF, 1);
2638 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2640 jit_tls->first_lmf = lmf;
2642 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2643 /* jit_tls->lmf is unused */
2644 MONO_FAST_TLS_SET (mono_lmf, lmf);
2645 mono_set_lmf_addr (&mono_lmf);
2647 mono_set_lmf_addr (&jit_tls->lmf);
2652 mono_arch_setup_jit_tls_data (jit_tls);
2653 mono_setup_altstack (jit_tls);
2659 free_jit_tls_data (MonoJitTlsData *jit_tls)
2661 mono_arch_free_jit_tls_data (jit_tls);
2662 mono_free_altstack (jit_tls);
2664 g_free (jit_tls->first_lmf);
2669 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2671 MonoInternalThread *thread;
2672 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2673 thread = mono_thread_internal_current ();
2674 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2676 thread->jit_data = jit_tls;
2678 mono_arch_cpu_init ();
2681 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2684 mono_thread_abort_dummy (MonoObject *obj)
2686 if (mono_thread_attach_aborted_cb)
2687 mono_thread_attach_aborted_cb (obj);
2689 mono_thread_abort (obj);
2693 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2695 MonoInternalThread *thread;
2696 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2697 thread = mono_thread_internal_current ();
2698 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2700 thread->jit_data = jit_tls;
2701 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2702 mono_runtime_setup_stat_profiler ();
2704 mono_arch_cpu_init ();
2708 mini_thread_cleanup (MonoInternalThread *thread)
2710 MonoJitTlsData *jit_tls = thread->jit_data;
2713 mono_debugger_thread_cleanup (jit_tls);
2715 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2716 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2717 * not a trivial thing.
2719 * The current offender is mono_thread_manage which cleanup threads from the outside.
2721 if (thread == mono_thread_internal_current ()) {
2722 mono_set_lmf (NULL);
2723 mono_set_jit_tls (NULL);
2724 mono_set_lmf_addr (NULL);
2727 free_jit_tls_data (jit_tls);
2729 thread->jit_data = NULL;
2734 mono_create_tls_get (MonoCompile *cfg, int offset)
2736 #ifdef MONO_ARCH_HAVE_TLS_GET
2737 if (MONO_ARCH_HAVE_TLS_GET) {
2743 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2744 ins->dreg = mono_alloc_preg (cfg);
2745 ins->inst_offset = offset;
2753 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2755 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2759 mono_get_domain_intrinsic (MonoCompile* cfg)
2761 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2765 mono_get_thread_intrinsic (MonoCompile* cfg)
2767 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2771 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2773 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2777 ji->data.target = target;
2778 ji->next = cfg->patch_info;
2780 cfg->patch_info = ji;
2784 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2786 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2790 ji->data.target = target;
2797 mono_remove_patch_info (MonoCompile *cfg, int ip)
2799 MonoJumpInfo **ji = &cfg->patch_info;
2802 if ((*ji)->ip.i == ip)
2805 ji = &((*ji)->next);
2810 * mono_patch_info_dup_mp:
2812 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2815 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2817 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2818 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2820 switch (patch_info->type) {
2821 case MONO_PATCH_INFO_RVA:
2822 case MONO_PATCH_INFO_LDSTR:
2823 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2824 case MONO_PATCH_INFO_LDTOKEN:
2825 case MONO_PATCH_INFO_DECLSEC:
2826 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2827 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2829 case MONO_PATCH_INFO_SWITCH:
2830 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2831 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2832 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2833 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2835 case MONO_PATCH_INFO_RGCTX_FETCH:
2836 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2837 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2838 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2848 mono_patch_info_hash (gconstpointer data)
2850 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2853 case MONO_PATCH_INFO_RVA:
2854 case MONO_PATCH_INFO_LDSTR:
2855 case MONO_PATCH_INFO_LDTOKEN:
2856 case MONO_PATCH_INFO_DECLSEC:
2857 return (ji->type << 8) | ji->data.token->token;
2858 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2859 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
2860 case MONO_PATCH_INFO_INTERNAL_METHOD:
2861 return (ji->type << 8) | g_str_hash (ji->data.name);
2862 case MONO_PATCH_INFO_VTABLE:
2863 case MONO_PATCH_INFO_CLASS:
2864 case MONO_PATCH_INFO_IID:
2865 case MONO_PATCH_INFO_ADJUSTED_IID:
2866 case MONO_PATCH_INFO_CLASS_INIT:
2867 case MONO_PATCH_INFO_METHODCONST:
2868 case MONO_PATCH_INFO_METHOD:
2869 case MONO_PATCH_INFO_METHOD_JUMP:
2870 case MONO_PATCH_INFO_IMAGE:
2871 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2872 case MONO_PATCH_INFO_FIELD:
2873 case MONO_PATCH_INFO_SFLDA:
2874 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2875 return (ji->type << 8) | (gssize)ji->data.target;
2877 return (ji->type << 8);
2882 * mono_patch_info_equal:
2884 * This might fail to recognize equivalent patches, i.e. floats, so its only
2885 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2889 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2891 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2892 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2894 if (ji1->type != ji2->type)
2897 switch (ji1->type) {
2898 case MONO_PATCH_INFO_RVA:
2899 case MONO_PATCH_INFO_LDSTR:
2900 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2901 case MONO_PATCH_INFO_LDTOKEN:
2902 case MONO_PATCH_INFO_DECLSEC:
2903 if ((ji1->data.token->image != ji2->data.token->image) ||
2904 (ji1->data.token->token != ji2->data.token->token) ||
2905 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2906 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2907 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2910 case MONO_PATCH_INFO_INTERNAL_METHOD:
2911 return g_str_equal (ji1->data.name, ji2->data.name);
2913 case MONO_PATCH_INFO_RGCTX_FETCH: {
2914 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2915 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2917 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);
2920 if (ji1->data.target != ji2->data.target)
2929 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2931 unsigned char *ip = patch_info->ip.i + code;
2932 gconstpointer target = NULL;
2934 switch (patch_info->type) {
2935 case MONO_PATCH_INFO_BB:
2937 * FIXME: This could be hit for methods without a prolog. Should use -1
2938 * but too much code depends on a 0 initial value.
2940 //g_assert (patch_info->data.bb->native_offset);
2941 target = patch_info->data.bb->native_offset + code;
2943 case MONO_PATCH_INFO_ABS:
2944 target = patch_info->data.target;
2946 case MONO_PATCH_INFO_LABEL:
2947 target = patch_info->data.inst->inst_c0 + code;
2949 case MONO_PATCH_INFO_IP:
2950 #if defined(__native_client__) && defined(__native_client_codegen__)
2951 /* Need to transform to the destination address, it's */
2952 /* emitted as an immediate in the code. */
2953 target = nacl_inverse_modify_patch_target(ip);
2958 case MONO_PATCH_INFO_METHOD_REL:
2959 target = code + patch_info->data.offset;
2961 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2962 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2964 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2965 g_assert_not_reached ();
2967 target = mono_icall_get_wrapper (mi);
2970 case MONO_PATCH_INFO_METHOD_JUMP:
2971 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2972 #if defined(__native_client__) && defined(__native_client_codegen__)
2973 #if defined(TARGET_AMD64)
2974 /* This target is an absolute address, not relative to the */
2975 /* current code being emitted on AMD64. */
2976 target = nacl_inverse_modify_patch_target(target);
2980 case MONO_PATCH_INFO_METHOD:
2981 if (patch_info->data.method == method) {
2984 /* get the trampoline to the method from the domain */
2985 target = mono_create_jit_trampoline (patch_info->data.method);
2988 case MONO_PATCH_INFO_SWITCH: {
2989 gpointer *jump_table;
2992 #if defined(__native_client__) && defined(__native_client_codegen__)
2993 /* This memory will leak, but we don't care if we're */
2994 /* not deleting JIT'd methods anyway */
2995 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
2997 if (method && method->dynamic) {
2998 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3000 if (mono_aot_only) {
3001 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3003 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3008 for (i = 0; i < patch_info->data.table->table_size; i++) {
3009 #if defined(__native_client__) && defined(__native_client_codegen__)
3010 /* 'code' is relative to the current code blob, we */
3011 /* need to do this transform on it to make the */
3012 /* pointers in this table absolute */
3013 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3015 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3019 #if defined(__native_client__) && defined(__native_client_codegen__)
3020 /* jump_table is in the data section, we need to transform */
3021 /* it here so when it gets modified in amd64_patch it will */
3022 /* then point back to the absolute data address */
3023 target = nacl_inverse_modify_patch_target (jump_table);
3025 target = jump_table;
3029 case MONO_PATCH_INFO_METHODCONST:
3030 case MONO_PATCH_INFO_CLASS:
3031 case MONO_PATCH_INFO_IMAGE:
3032 case MONO_PATCH_INFO_FIELD:
3033 target = patch_info->data.target;
3035 case MONO_PATCH_INFO_IID:
3036 mono_class_init (patch_info->data.klass);
3037 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3039 case MONO_PATCH_INFO_ADJUSTED_IID:
3040 mono_class_init (patch_info->data.klass);
3041 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3043 case MONO_PATCH_INFO_VTABLE:
3044 target = mono_class_vtable (domain, patch_info->data.klass);
3047 case MONO_PATCH_INFO_CLASS_INIT: {
3048 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3051 target = mono_create_class_init_trampoline (vtable);
3054 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3055 target = mono_create_delegate_trampoline (patch_info->data.klass);
3057 case MONO_PATCH_INFO_SFLDA: {
3058 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3060 if (mono_class_field_is_special_static (patch_info->data.field)) {
3061 gpointer addr = NULL;
3063 mono_domain_lock (domain);
3064 if (domain->special_static_fields)
3065 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3066 mono_domain_unlock (domain);
3072 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3073 /* Done by the generated code */
3077 mono_runtime_class_init (vtable);
3079 target = (char*)vtable->data + patch_info->data.field->offset;
3082 case MONO_PATCH_INFO_RVA: {
3083 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3086 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3087 target = mono_image_rva_map (patch_info->data.token->image, rva);
3090 case MONO_PATCH_INFO_R4:
3091 case MONO_PATCH_INFO_R8:
3092 target = patch_info->data.target;
3094 case MONO_PATCH_INFO_EXC_NAME:
3095 target = patch_info->data.name;
3097 case MONO_PATCH_INFO_LDSTR:
3099 mono_ldstr (domain, patch_info->data.token->image,
3100 mono_metadata_token_index (patch_info->data.token->token));
3102 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3104 MonoClass *handle_class;
3106 handle = mono_ldtoken (patch_info->data.token->image,
3107 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3108 mono_class_init (handle_class);
3109 mono_class_init (mono_class_from_mono_type (handle));
3112 mono_type_get_object (domain, handle);
3115 case MONO_PATCH_INFO_LDTOKEN: {
3117 MonoClass *handle_class;
3119 handle = mono_ldtoken (patch_info->data.token->image,
3120 patch_info->data.token->token, &handle_class, NULL);
3121 mono_class_init (handle_class);
3126 case MONO_PATCH_INFO_DECLSEC:
3127 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3129 case MONO_PATCH_INFO_ICALL_ADDR:
3130 /* run_cctors == 0 -> AOT */
3131 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3133 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
3135 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));
3140 target = mono_lookup_internal_call (patch_info->data.method);
3142 if (!target && run_cctors)
3143 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3146 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3147 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3149 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3150 g_assert_not_reached ();
3155 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3156 target = mono_thread_interruption_request_flag ();
3158 case MONO_PATCH_INFO_METHOD_RGCTX: {
3159 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3162 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3165 case MONO_PATCH_INFO_BB_OVF:
3166 case MONO_PATCH_INFO_EXC_OVF:
3167 case MONO_PATCH_INFO_GOT_OFFSET:
3168 case MONO_PATCH_INFO_NONE:
3170 case MONO_PATCH_INFO_RGCTX_FETCH: {
3171 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3174 switch (entry->data->type) {
3175 case MONO_PATCH_INFO_CLASS:
3176 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method));
3178 case MONO_PATCH_INFO_METHOD:
3179 case MONO_PATCH_INFO_METHODCONST:
3180 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method));
3182 case MONO_PATCH_INFO_FIELD:
3183 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method));
3186 g_assert_not_reached ();
3190 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3193 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3194 target = mono_create_generic_class_init_trampoline ();
3196 case MONO_PATCH_INFO_MONITOR_ENTER:
3197 target = mono_create_monitor_enter_trampoline ();
3199 case MONO_PATCH_INFO_MONITOR_EXIT:
3200 target = mono_create_monitor_exit_trampoline ();
3202 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3203 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3205 /* AOT, not needed */
3208 target = mono_arch_get_seq_point_info (domain, code);
3211 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3212 #ifdef MONO_ARCH_LLVM_SUPPORTED
3213 g_assert (mono_use_llvm);
3214 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3216 g_assert_not_reached ();
3219 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3220 int card_table_shift_bits;
3221 gpointer card_table_mask;
3223 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3226 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3227 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3231 g_assert_not_reached ();
3234 return (gpointer)target;
3238 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3240 ins->inst_offset = native_offset;
3241 g_ptr_array_add (cfg->seq_points, ins);
3242 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3243 bb->last_seq_point = ins;
3249 mono_compile_create_vars (MonoCompile *cfg)
3251 MonoMethodSignature *sig;
3252 MonoMethodHeader *header;
3255 header = cfg->header;
3257 sig = mono_method_signature (cfg->method);
3259 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3260 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3261 /* Inhibit optimizations */
3262 cfg->ret->flags |= MONO_INST_VOLATILE;
3264 if (cfg->verbose_level > 2)
3265 g_print ("creating vars\n");
3267 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3270 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3272 for (i = 0; i < sig->param_count; ++i) {
3273 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3276 if (cfg->verbose_level > 2) {
3278 printf ("\treturn : ");
3279 mono_print_ins (cfg->ret);
3283 printf ("\tthis: ");
3284 mono_print_ins (cfg->args [0]);
3287 for (i = 0; i < sig->param_count; ++i) {
3288 printf ("\targ [%d]: ", i);
3289 mono_print_ins (cfg->args [i + sig->hasthis]);
3293 cfg->locals_start = cfg->num_varinfo;
3294 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3296 if (cfg->verbose_level > 2)
3297 g_print ("creating locals\n");
3299 for (i = 0; i < header->num_locals; ++i)
3300 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3302 if (cfg->verbose_level > 2)
3303 g_print ("locals done\n");
3305 mono_arch_create_vars (cfg);
3308 #endif /* #ifndef DISABLE_JIT */
3311 mono_print_code (MonoCompile *cfg, const char* msg)
3315 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3316 mono_print_bb (bb, msg);
3322 mono_postprocess_patches (MonoCompile *cfg)
3324 MonoJumpInfo *patch_info;
3327 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3328 switch (patch_info->type) {
3329 case MONO_PATCH_INFO_ABS: {
3330 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3333 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3337 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3338 // FIXME: CLEAN UP THIS MESS.
3339 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
3340 strstr (cfg->method->name, info->name)) {
3342 * This is an icall wrapper, and this is a call to the
3345 if (cfg->compile_aot) {
3346 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
3347 patch_info->data.name = info->name;
3350 /* for these array methods we currently register the same function pointer
3351 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3352 * will return the incorrect one depending on the order they are registered.
3353 * See tests/test-arr.cs
3355 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3356 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3357 patch_info->data.name = info->name;
3362 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3363 if (cfg->abs_patches) {
3364 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3366 patch_info->type = abs_ji->type;
3367 patch_info->data.target = abs_ji->data.target;
3374 case MONO_PATCH_INFO_SWITCH: {
3376 #if defined(__native_client__) && defined(__native_client_codegen__)
3377 /* This memory will leak. */
3378 /* TODO: can we free this when */
3379 /* making the final jump table? */
3380 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3382 if (cfg->method->dynamic) {
3383 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3385 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3389 for (i = 0; i < patch_info->data.table->table_size; i++) {
3390 /* Might be NULL if the switch is eliminated */
3391 if (patch_info->data.table->table [i]) {
3392 g_assert (patch_info->data.table->table [i]->native_offset);
3393 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3398 patch_info->data.table->table = (MonoBasicBlock**)table;
3401 case MONO_PATCH_INFO_METHOD_JUMP: {
3402 MonoJumpList *jlist;
3403 MonoDomain *domain = cfg->domain;
3404 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3405 #if defined(__native_client__) && defined(__native_client_codegen__)
3406 /* When this jump target gets evaluated, the method */
3407 /* will be installed in the dynamic code section, */
3408 /* not at the location of cfg->native_code. */
3409 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3412 mono_domain_lock (domain);
3413 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3415 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3416 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3418 jlist->list = g_slist_prepend (jlist->list, ip);
3419 mono_domain_unlock (domain);
3430 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3433 MonoBasicBlock *in_bb;
3435 for (i = 0; i < bb->in_count; ++i) {
3436 in_bb = bb->in_bb [i];
3438 if (in_bb->last_seq_point) {
3439 next [in_bb->last_seq_point->backend.size] = g_slist_append (next [in_bb->last_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3441 /* Have to look at its predecessors */
3443 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3449 mono_save_seq_point_info (MonoCompile *cfg)
3452 GSList *bb_seq_points, *l;
3454 MonoDomain *domain = cfg->domain;
3456 MonoSeqPointInfo *info;
3459 if (!cfg->seq_points)
3462 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3463 info->len = cfg->seq_points->len;
3464 for (i = 0; i < cfg->seq_points->len; ++i) {
3465 SeqPoint *sp = &info->seq_points [i];
3466 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3468 sp->il_offset = ins->inst_imm;
3469 sp->native_offset = ins->inst_offset;
3472 ins->backend.size = i;
3476 * For each sequence point, compute the list of sequence points immediately
3477 * following it, this is needed to implement 'step over' in the debugger agent.
3479 next = g_new0 (GSList*, cfg->seq_points->len);
3480 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3481 bb_seq_points = g_slist_reverse (bb->seq_points);
3483 for (l = bb_seq_points; l; l = l->next) {
3484 MonoInst *ins = l->data;
3486 if (!(ins->flags & MONO_INST_SINGLE_STEP_LOC))
3490 /* Link with the previous seq point in the same bb */
3491 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3493 /* Link with the last bb in the previous bblocks */
3494 collect_pred_seq_points (bb, ins, next, 0);
3501 if (cfg->verbose_level > 2) {
3502 printf ("\nSEQ POINT MAP: \n");
3505 for (i = 0; i < cfg->seq_points->len; ++i) {
3506 SeqPoint *sp = &info->seq_points [i];
3510 sp->next_len = g_slist_length (next [i]);
3511 sp->next = g_new (int, sp->next_len);
3513 if (cfg->verbose_level > 2 && next [i]) {
3514 printf ("\t0x%x ->", sp->il_offset);
3515 for (l = next [i]; l; l = l->next) {
3516 next_index = GPOINTER_TO_UINT (l->data);
3517 printf (" 0x%x", info->seq_points [next_index].il_offset);
3521 for (l = next [i]; l; l = l->next) {
3522 next_index = GPOINTER_TO_UINT (l->data);
3523 sp->next [j ++] = next_index;
3525 g_slist_free (next [i]);
3529 cfg->seq_point_info = info;
3531 // FIXME: dynamic methods
3532 if (!cfg->compile_aot) {
3533 mono_domain_lock (domain);
3534 // FIXME: How can the lookup succeed ?
3535 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3536 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3537 mono_domain_unlock (domain);
3540 g_ptr_array_free (cfg->seq_points, TRUE);
3541 cfg->seq_points = NULL;
3545 mono_codegen (MonoCompile *cfg)
3548 int max_epilog_size;
3550 MonoDomain *code_domain;
3552 if (mono_using_xdebug)
3554 * Recent gdb versions have trouble processing symbol files containing
3555 * overlapping address ranges, so allocate all code from the code manager
3556 * of the root domain. (#666152).
3558 code_domain = mono_get_root_domain ();
3560 code_domain = cfg->domain;
3562 #if defined(__native_client_codegen__) && defined(__native_client__)
3565 /* This keeps patch targets from being transformed during
3566 * ordinary method compilation, for local branches and jumps.
3568 nacl_allow_target_modification (FALSE);
3571 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3572 cfg->spill_count = 0;
3573 /* we reuse dfn here */
3574 /* bb->dfn = bb_count++; */
3576 mono_arch_lowering_pass (cfg, bb);
3578 if (cfg->opt & MONO_OPT_PEEPHOLE)
3579 mono_arch_peephole_pass_1 (cfg, bb);
3582 mono_local_regalloc (cfg, bb);
3584 if (cfg->opt & MONO_OPT_PEEPHOLE)
3585 mono_arch_peephole_pass_2 (cfg, bb);
3588 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3589 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3591 code = mono_arch_emit_prolog (cfg);
3593 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3594 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3596 cfg->code_len = code - cfg->native_code;
3597 cfg->prolog_end = cfg->code_len;
3599 mono_debug_open_method (cfg);
3601 /* emit code all basic blocks */
3602 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3603 bb->native_offset = cfg->code_len;
3604 bb->real_native_offset = cfg->code_len;
3605 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3606 mono_arch_output_basic_block (cfg, bb);
3607 bb->native_length = cfg->code_len - bb->native_offset;
3609 if (bb == cfg->bb_exit) {
3610 cfg->epilog_begin = cfg->code_len;
3612 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3613 code = cfg->native_code + cfg->code_len;
3614 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3615 cfg->code_len = code - cfg->native_code;
3616 g_assert (cfg->code_len < cfg->code_size);
3619 mono_arch_emit_epilog (cfg);
3623 #ifdef __native_client_codegen__
3624 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3626 mono_arch_emit_exceptions (cfg);
3628 max_epilog_size = 0;
3630 code = cfg->native_code + cfg->code_len;
3632 /* we always allocate code in cfg->domain->code_mp to increase locality */
3633 cfg->code_size = cfg->code_len + max_epilog_size;
3634 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3636 if (cfg->method->dynamic) {
3637 guint unwindlen = 0;
3638 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3639 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3641 /* Allocate the code into a separate memory pool so it can be freed */
3642 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3643 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3644 mono_domain_lock (cfg->domain);
3645 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3646 mono_domain_unlock (cfg->domain);
3648 if (mono_using_xdebug)
3649 /* See the comment for cfg->code_domain */
3650 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3652 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3654 guint unwindlen = 0;
3655 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3656 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3658 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3660 #if defined(__native_client_codegen__) && defined(__native_client__)
3661 nacl_allow_target_modification (TRUE);
3664 memcpy (code, cfg->native_code, cfg->code_len);
3665 #if defined(__default_codegen__)
3666 g_free (cfg->native_code);
3667 #elif defined(__native_client_codegen__)
3668 if (cfg->native_code_alloc) {
3669 g_free (cfg->native_code_alloc);
3670 cfg->native_code_alloc = 0;
3672 else if (cfg->native_code) {
3673 g_free (cfg->native_code);
3675 #endif /* __native_client_codegen__ */
3676 cfg->native_code = code;
3677 code = cfg->native_code + cfg->code_len;
3679 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3680 mono_postprocess_patches (cfg);
3682 #ifdef VALGRIND_JIT_REGISTER_MAP
3683 if (valgrind_register){
3684 char* nm = mono_method_full_name (cfg->method, TRUE);
3685 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3690 if (cfg->verbose_level > 0) {
3691 char* nm = mono_method_full_name (cfg->method, TRUE);
3692 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3694 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3699 gboolean is_generic = FALSE;
3701 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3702 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3706 if (cfg->generic_sharing_context)
3707 g_assert (is_generic);
3710 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3711 mono_arch_save_unwind_info (cfg);
3714 #if defined(__native_client_codegen__) && defined(__native_client__)
3715 if (!cfg->compile_aot) {
3716 if (cfg->method->dynamic) {
3717 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
3719 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
3724 #if defined(__native_client_codegen__)
3725 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3728 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);
3730 if (cfg->method->dynamic) {
3731 if (mono_using_xdebug)
3732 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3734 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3736 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3738 #if defined(__native_client_codegen__) && defined(__native_client__)
3739 cfg->native_code = code_dest;
3741 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3743 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3745 mono_debug_close_method (cfg);
3747 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3748 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3753 compute_reachable (MonoBasicBlock *bb)
3757 if (!(bb->flags & BB_VISITED)) {
3758 bb->flags |= BB_VISITED;
3759 for (i = 0; i < bb->out_count; ++i)
3760 compute_reachable (bb->out_bb [i]);
3765 mono_handle_out_of_line_bblock (MonoCompile *cfg)
3768 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3769 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
3771 MONO_INST_NEW (cfg, ins, OP_BR);
3772 MONO_ADD_INS (bb, ins);
3773 ins->inst_target_bb = bb->next_bb;
3779 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3782 MonoMethodHeader *header;
3785 int generic_info_size;
3786 int holes_size = 0, num_holes = 0;
3788 g_assert (method_to_compile == cfg->method);
3789 header = cfg->header;
3791 if (cfg->generic_sharing_context)
3792 generic_info_size = sizeof (MonoGenericJitInfo);
3794 generic_info_size = 0;
3796 if (cfg->try_block_holes) {
3797 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3798 TryBlockHole *hole = tmp->data;
3799 MonoExceptionClause *ec = hole->clause;
3800 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
3801 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3802 g_assert (clause_last_bb);
3804 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3805 if (clause_last_bb->native_offset != hole_end)
3809 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
3810 if (G_UNLIKELY (cfg->verbose_level >= 4))
3811 printf ("Number of try block holes %d\n", num_holes);
3814 if (COMPILE_LLVM (cfg))
3815 num_clauses = cfg->llvm_ex_info_len;
3817 num_clauses = header->num_clauses;
3819 if (cfg->method->dynamic) {
3820 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
3821 generic_info_size + holes_size);
3823 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3824 (num_clauses * sizeof (MonoJitExceptionInfo)) +
3825 generic_info_size + holes_size);
3828 jinfo->method = cfg->method_to_register;
3829 jinfo->code_start = cfg->native_code;
3830 jinfo->code_size = cfg->code_len;
3831 jinfo->used_regs = cfg->used_int_regs;
3832 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3833 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3834 jinfo->num_clauses = num_clauses;
3835 if (COMPILE_LLVM (cfg))
3836 jinfo->from_llvm = TRUE;
3838 if (cfg->generic_sharing_context) {
3840 MonoGenericJitInfo *gi;
3842 jinfo->has_generic_jit_info = 1;
3844 gi = mono_jit_info_get_generic_jit_info (jinfo);
3847 gi->generic_sharing_context = cfg->generic_sharing_context;
3849 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3850 mini_method_get_context (method_to_compile)->method_inst ||
3851 method_to_compile->klass->valuetype) {
3852 g_assert (cfg->rgctx_var);
3857 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3858 mini_method_get_context (method_to_compile)->method_inst ||
3859 method_to_compile->klass->valuetype) {
3860 inst = cfg->rgctx_var;
3861 if (!COMPILE_LLVM (cfg))
3862 g_assert (inst->opcode == OP_REGOFFSET);
3864 inst = cfg->args [0];
3867 if (COMPILE_LLVM (cfg)) {
3868 g_assert (cfg->llvm_this_reg != -1);
3869 gi->this_in_reg = 0;
3870 gi->this_reg = cfg->llvm_this_reg;
3871 gi->this_offset = cfg->llvm_this_offset;
3872 } else if (inst->opcode == OP_REGVAR) {
3873 gi->this_in_reg = 1;
3874 gi->this_reg = inst->dreg;
3876 g_assert (inst->opcode == OP_REGOFFSET);
3878 g_assert (inst->inst_basereg == X86_EBP);
3879 #elif defined(TARGET_AMD64)
3880 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3882 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3884 gi->this_in_reg = 0;
3885 gi->this_reg = inst->inst_basereg;
3886 gi->this_offset = inst->inst_offset;
3891 MonoTryBlockHoleTableJitInfo *table;
3894 jinfo->has_try_block_holes = 1;
3895 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
3896 table->num_holes = (guint16)num_holes;
3898 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3899 guint32 start_bb_offset;
3900 MonoTryBlockHoleJitInfo *hole;
3901 TryBlockHole *hole_data = tmp->data;
3902 MonoExceptionClause *ec = hole_data->clause;
3903 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
3904 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3905 g_assert (clause_last_bb);
3907 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3908 if (clause_last_bb->native_offset == hole_end)
3911 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
3912 hole = &table->holes [i++];
3913 hole->clause = hole_data->clause - &header->clauses [0];
3914 hole->offset = (guint32)hole_data->start_offset;
3915 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
3917 if (G_UNLIKELY (cfg->verbose_level >= 4))
3918 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
3920 g_assert (i == num_holes);
3923 if (COMPILE_LLVM (cfg)) {
3925 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
3926 } else if (header->num_clauses) {
3929 for (i = 0; i < header->num_clauses; i++) {
3930 MonoExceptionClause *ec = &header->clauses [i];
3931 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3932 MonoBasicBlock *tblock;
3935 ei->flags = ec->flags;
3937 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3938 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3940 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3941 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3943 ei->data.filter = cfg->native_code + tblock->native_offset;
3945 ei->data.catch_class = ec->data.catch_class;
3948 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3950 g_assert (tblock->native_offset);
3951 ei->try_start = cfg->native_code + tblock->native_offset;
3952 if (tblock->extend_try_block) {
3954 * Extend the try block backwards to include parts of the previous call
3957 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
3959 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3961 if (!tblock->native_offset) {
3963 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
3964 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
3965 if (bb && bb->native_offset) {
3971 ei->try_end = cfg->native_code + tblock->native_offset;
3972 g_assert (tblock->native_offset);
3973 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3975 ei->handler_start = cfg->native_code + tblock->native_offset;
3977 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3978 TryBlockHole *hole = tmp->data;
3979 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
3980 if (hole->clause == ec && hole_end == ei->try_end) {
3981 if (G_UNLIKELY (cfg->verbose_level >= 4))
3982 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
3984 ei->try_end = cfg->native_code + hole->start_offset;
3989 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
3991 if (ec->handler_offset + ec->handler_len < header->code_size) {
3992 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
3994 end_offset = tblock->native_offset;
3996 end_offset = cfg->epilog_begin;
3998 ei->data.handler_end = cfg->native_code + end_offset;
4003 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4005 for (i = 0; i < jinfo->num_clauses; i++) {
4006 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4007 int start = (guint8*)ei->try_start - cfg->native_code;
4008 int end = (guint8*)ei->try_end - cfg->native_code;
4009 int handler = (guint8*)ei->handler_start - cfg->native_code;
4011 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
4016 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4017 * using it during runtime, hence the define.
4019 #ifdef MONO_ARCH_HAVE_XP_UNWIND
4020 if (cfg->encoded_unwind_ops) {
4021 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4022 g_free (cfg->encoded_unwind_ops);
4023 } else if (cfg->unwind_ops) {
4025 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4027 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4028 g_free (unwind_info);
4037 * mini_get_shared_method:
4039 * Return the method which is actually compiled/registered when doing generic sharing.
4042 mini_get_shared_method (MonoMethod *method)
4044 MonoGenericContext shared_context;
4045 MonoMethod *declaring_method, *res;
4047 gboolean partial = FALSE;
4049 if (method->is_generic || method->klass->generic_container)
4050 declaring_method = method;
4052 declaring_method = mono_method_get_declaring_generic_method (method);
4054 if (declaring_method->is_generic)
4055 shared_context = mono_method_get_generic_container (declaring_method)->context;
4057 shared_context = declaring_method->klass->generic_container->context;
4059 /* Handle partial sharing */
4060 if (method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE)) {
4061 MonoGenericContext *context = mono_method_get_context (method);
4062 MonoGenericInst *inst;
4063 MonoType **type_argv;
4066 * Create the shared context by replacing the ref type arguments with
4067 * type parameters, and keeping the rest.
4070 inst = context->class_inst;
4072 type_argv = g_new0 (MonoType*, inst->type_argc);
4073 for (i = 0; i < inst->type_argc; ++i) {
4074 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)
4075 type_argv [i] = shared_context.class_inst->type_argv [i];
4077 type_argv [i] = inst->type_argv [i];
4080 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4084 inst = context->method_inst;
4086 type_argv = g_new0 (MonoType*, inst->type_argc);
4087 for (i = 0; i < inst->type_argc; ++i) {
4088 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)
4089 type_argv [i] = shared_context.method_inst->type_argv [i];
4091 type_argv [i] = inst->type_argv [i];
4094 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4099 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4101 /* The result should be an inflated method whose parent is not inflated */
4102 g_assert (!res->klass->is_inflated);
4109 * mini_method_compile:
4110 * @method: the method to compile
4111 * @opts: the optimization flags to use
4112 * @domain: the domain where the method will be compiled in
4113 * @run_cctors: whether we should run type ctors if possible
4114 * @compile_aot: whether this is an AOT compilation
4115 * @parts: debug flag
4117 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4118 * field in the returned struct to see if compilation succeded.
4121 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4123 MonoMethodHeader *header;
4124 MonoMethodSignature *sig;
4128 int dfn, i, code_size_ratio;
4129 gboolean deadce_has_run = FALSE;
4130 gboolean try_generic_shared, try_llvm = FALSE;
4131 MonoMethod *method_to_compile, *method_to_register;
4133 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4134 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4135 mono_profiler_method_jit (method);
4136 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
4137 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4141 * We might get passed the original generic method definition or
4142 * instances with type parameters.
4143 * FIXME: Remove the method->klass->generic_class limitation.
4145 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4146 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl (method, TRUE)));
4148 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4149 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
4151 if (opts & MONO_OPT_GSHARED) {
4152 if (try_generic_shared)
4153 mono_stats.generics_sharable_methods++;
4154 else if (mono_method_is_generic_impl (method))
4155 mono_stats.generics_unsharable_methods++;
4159 try_llvm = mono_use_llvm;
4163 if (try_generic_shared) {
4164 method_to_compile = mini_get_shared_method (method);
4165 g_assert (method_to_compile);
4167 method_to_compile = method;
4170 cfg = g_new0 (MonoCompile, 1);
4171 cfg->method = method_to_compile;
4172 cfg->header = mono_method_get_header (cfg->method);
4173 cfg->mempool = mono_mempool_new ();
4175 cfg->prof_options = mono_profiler_get_events ();
4176 cfg->run_cctors = run_cctors;
4177 cfg->domain = domain;
4178 cfg->verbose_level = mini_verbose;
4179 cfg->compile_aot = compile_aot;
4180 cfg->skip_visibility = method->skip_visibility;
4181 cfg->orig_method = method;
4182 cfg->gen_seq_points = debug_options.gen_seq_points;
4183 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4184 if (try_generic_shared)
4185 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
4186 cfg->compile_llvm = try_llvm;
4187 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4189 if (cfg->gen_seq_points)
4190 cfg->seq_points = g_ptr_array_new ();
4192 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
4193 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4197 if (cfg->generic_sharing_context) {
4198 method_to_register = method_to_compile;
4200 g_assert (method == method_to_compile);
4201 method_to_register = method;
4203 cfg->method_to_register = method_to_register;
4205 mono_error_init (&err);
4206 sig = mono_method_signature_checked (cfg->method, &err);
4208 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4209 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4210 mono_error_cleanup (&err);
4211 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4212 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4216 header = cfg->header;
4218 MonoLoaderError *error;
4220 if ((error = mono_loader_get_last_error ())) {
4221 cfg->exception_type = error->exception_type;
4223 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4224 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4226 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4227 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4233 static gboolean inited;
4240 * Check for methods which cannot be compiled by LLVM early, to avoid
4241 * the extra compilation pass.
4243 if (COMPILE_LLVM (cfg)) {
4244 mono_llvm_check_method_supported (cfg);
4245 if (cfg->disable_llvm) {
4246 if (cfg->verbose_level >= 1) {
4247 //nm = mono_method_full_name (cfg->method, TRUE);
4248 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4251 mono_destroy_compile (cfg);
4253 goto restart_compile;
4259 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4260 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4261 cfg->disable_reuse_registers = TRUE;
4262 cfg->disable_reuse_stack_slots = TRUE;
4264 * This decreases the change the debugger will read registers/stack slots which are
4265 * not yet initialized.
4267 cfg->disable_initlocals_opt = TRUE;
4269 cfg->extend_live_ranges = TRUE;
4271 /* Temporarily disable this when running in the debugger until we have support
4272 * for this in the debugger. */
4273 cfg->disable_omit_fp = TRUE;
4275 /* The debugger needs all locals to be on the stack or in a global register */
4276 cfg->disable_vreg_to_lvreg = TRUE;
4278 /* Don't remove unused variables when running inside the debugger since the user
4279 * may still want to view them. */
4280 cfg->disable_deadce_vars = TRUE;
4282 // cfg->opt |= MONO_OPT_SHARED;
4283 cfg->opt &= ~MONO_OPT_DEADCE;
4284 cfg->opt &= ~MONO_OPT_INLINE;
4285 cfg->opt &= ~MONO_OPT_COPYPROP;
4286 cfg->opt &= ~MONO_OPT_CONSPROP;
4287 cfg->opt &= ~MONO_OPT_GSHARED;
4289 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4290 cfg->disable_out_of_line_bblocks = TRUE;
4293 if (mono_using_xdebug) {
4295 * Make each variable use its own register/stack slot and extend
4296 * their liveness to cover the whole method, making them displayable
4297 * in gdb even after they are dead.
4299 cfg->disable_reuse_registers = TRUE;
4300 cfg->disable_reuse_stack_slots = TRUE;
4301 cfg->extend_live_ranges = TRUE;
4302 cfg->compute_precise_live_ranges = TRUE;
4305 mini_gc_init_cfg (cfg);
4307 if (COMPILE_LLVM (cfg)) {
4308 cfg->opt |= MONO_OPT_ABCREM;
4311 if (getenv ("MONO_VERBOSE_METHOD")) {
4312 char *name = getenv ("MONO_VERBOSE_METHOD");
4314 if ((strchr (name, '.') > name) || strchr (name, ':')) {
4315 MonoMethodDesc *desc;
4317 desc = mono_method_desc_new (name, TRUE);
4318 if (mono_method_desc_full_match (desc, cfg->method)) {
4319 cfg->verbose_level = 4;
4321 mono_method_desc_free (desc);
4323 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
4324 cfg->verbose_level = 4;
4328 ip = (guint8 *)header->code;
4330 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
4332 if (cfg->verbose_level > 0) {
4334 if (COMPILE_LLVM (cfg))
4335 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
4336 else if (cfg->generic_sharing_context)
4337 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4339 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
4340 g_free (method_name);
4343 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
4344 cfg->opt |= MONO_OPT_SSA;
4347 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")))
4348 cfg->globalra = TRUE;
4351 //cfg->globalra = TRUE;
4353 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
4354 // cfg->globalra = TRUE;
4357 static int count = 0;
4361 if (getenv ("COUNT2")) {
4362 cfg->globalra = TRUE;
4363 if (count == atoi (getenv ("COUNT2")))
4364 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
4365 if (count > atoi (getenv ("COUNT2")))
4366 cfg->globalra = FALSE;
4371 if (header->clauses)
4372 cfg->globalra = FALSE;
4374 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4375 /* The code in the prolog clobbers caller saved registers */
4376 cfg->globalra = FALSE;
4378 // FIXME: Disable globalra in case of tracing/profiling
4380 if (cfg->method->save_lmf)
4381 /* The LMF saving code might clobber caller saved registers */
4382 cfg->globalra = FALSE;
4384 if (header->code_size > 5000)
4386 /* Too large bblocks could overflow the ins positions */
4387 cfg->globalra = FALSE;
4389 cfg->rs = mono_regstate_new ();
4391 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4392 cfg->next_vreg = cfg->rs->next_vreg;
4394 /* FIXME: Fix SSA to handle branches inside bblocks */
4395 if (cfg->opt & MONO_OPT_SSA)
4396 cfg->enable_extended_bblocks = FALSE;
4399 * FIXME: This confuses liveness analysis because variables which are assigned after
4400 * a branch inside a bblock become part of the kill set, even though the assignment
4401 * might not get executed. This causes the optimize_initlocals pass to delete some
4402 * assignments which are needed.
4403 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4406 //cfg->enable_extended_bblocks = TRUE;
4408 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4409 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
4410 if (mini_get_debug_options ()->break_on_unverified)
4416 * create MonoInst* which represents arguments and local variables
4418 mono_compile_create_vars (cfg);
4420 /* SSAPRE is not supported on linear IR */
4421 cfg->opt &= ~MONO_OPT_SSAPRE;
4423 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4426 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4428 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4429 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4432 mono_destroy_compile (cfg);
4433 try_generic_shared = FALSE;
4434 goto restart_compile;
4436 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4438 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4439 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4440 /* cfg contains the details of the failure, so let the caller cleanup */
4444 cfg->stat_basic_blocks += cfg->num_bblocks;
4446 if (COMPILE_LLVM (cfg)) {
4449 /* The IR has to be in SSA form for LLVM */
4450 cfg->opt |= MONO_OPT_SSA;
4454 // Allow SSA on the result value
4455 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4457 // Add an explicit return instruction referencing the return value
4458 MONO_INST_NEW (cfg, ins, OP_SETRET);
4459 ins->sreg1 = cfg->ret->dreg;
4461 MONO_ADD_INS (cfg->bb_exit, ins);
4464 cfg->opt &= ~MONO_OPT_LINEARS;
4467 cfg->opt &= ~MONO_OPT_BRANCH;
4470 /* todo: remove code when we have verified that the liveness for try/catch blocks
4474 * Currently, this can't be commented out since exception blocks are not
4475 * processed during liveness analysis.
4476 * It is also needed, because otherwise the local optimization passes would
4477 * delete assignments in cases like this:
4479 * <something which throws>
4481 * This also allows SSA to be run on methods containing exception clauses, since
4482 * SSA will ignore variables marked VOLATILE.
4484 mono_liveness_handle_exception_clauses (cfg);
4486 mono_handle_out_of_line_bblock (cfg);
4488 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4490 if (!COMPILE_LLVM (cfg))
4491 mono_decompose_long_opts (cfg);
4493 /* Should be done before branch opts */
4494 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4495 mono_local_cprop (cfg);
4497 if (cfg->opt & MONO_OPT_BRANCH)
4498 mono_optimize_branches (cfg);
4500 /* This must be done _before_ global reg alloc and _after_ decompose */
4501 mono_handle_global_vregs (cfg);
4502 if (cfg->opt & MONO_OPT_DEADCE)
4503 mono_local_deadce (cfg);
4504 /* Disable this for LLVM to make the IR easier to handle */
4505 if (!COMPILE_LLVM (cfg))
4506 mono_if_conversion (cfg);
4508 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4509 mono_remove_critical_edges (cfg);
4511 /* Depth-first ordering on basic blocks */
4512 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4514 cfg->max_block_num = cfg->num_bblocks;
4517 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4518 if (cfg->num_bblocks != dfn + 1) {
4521 cfg->num_bblocks = dfn + 1;
4523 /* remove unreachable code, because the code in them may be
4524 * inconsistent (access to dead variables for example) */
4525 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4526 bb->flags &= ~BB_VISITED;
4527 compute_reachable (cfg->bb_entry);
4528 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4529 if (bb->flags & BB_EXCEPTION_HANDLER)
4530 compute_reachable (bb);
4531 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4532 if (!(bb->flags & BB_VISITED)) {
4533 if (cfg->verbose_level > 1)
4534 g_print ("found unreachable code in BB%d\n", bb->block_num);
4535 bb->code = bb->last_ins = NULL;
4536 while (bb->out_count)
4537 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
4540 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4541 bb->flags &= ~BB_VISITED;
4544 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
4546 * we disable some optimizations if there are too many variables
4547 * because JIT time may become too expensive. The actual number needs
4548 * to be tweaked and eventually the non-linear algorithms should be fixed.
4550 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
4551 cfg->disable_ssa = TRUE;
4554 if (cfg->opt & MONO_OPT_LOOP) {
4555 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
4556 mono_compute_natural_loops (cfg);
4559 /* after method_to_ir */
4561 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4562 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4567 if (header->num_clauses)
4568 cfg->disable_ssa = TRUE;
4571 //#define DEBUGSSA "logic_run"
4572 #define DEBUGSSA_CLASS "Tests"
4575 if (!cfg->disable_ssa) {
4576 mono_local_cprop (cfg);
4579 mono_ssa_compute (cfg);
4583 if (cfg->opt & MONO_OPT_SSA) {
4584 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
4586 mono_ssa_compute (cfg);
4589 if (cfg->verbose_level >= 2) {
4596 /* after SSA translation */
4598 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4599 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4603 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
4604 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4606 mono_ssa_cprop (cfg);
4612 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4613 //mono_ssa_strength_reduction (cfg);
4615 if (cfg->opt & MONO_OPT_SSAPRE) {
4616 mono_perform_ssapre (cfg);
4617 //mono_local_cprop (cfg);
4620 if (cfg->opt & MONO_OPT_DEADCE) {
4621 mono_ssa_deadce (cfg);
4622 deadce_has_run = TRUE;
4625 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4626 mono_perform_abc_removal (cfg);
4628 mono_ssa_remove (cfg);
4629 mono_local_cprop (cfg);
4630 mono_handle_global_vregs (cfg);
4631 if (cfg->opt & MONO_OPT_DEADCE)
4632 mono_local_deadce (cfg);
4634 if (cfg->opt & MONO_OPT_BRANCH) {
4637 mono_optimize_branches (cfg);
4639 /* Have to recompute cfg->bblocks and bb->dfn */
4640 if (cfg->globalra) {
4641 mono_remove_critical_edges (cfg);
4643 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4646 /* Depth-first ordering on basic blocks */
4647 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4650 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4651 cfg->num_bblocks = dfn + 1;
4657 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
4658 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
4659 if (cfg->opt & MONO_OPT_ABCREM)
4660 mono_perform_abc_removal (cfg);
4663 /* after SSA removal */
4665 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4666 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4670 #ifdef MONO_ARCH_SOFT_FLOAT
4671 if (!COMPILE_LLVM (cfg))
4672 mono_decompose_soft_float (cfg);
4674 if (!COMPILE_LLVM (cfg))
4675 mono_decompose_vtype_opts (cfg);
4676 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4677 mono_decompose_array_access_opts (cfg);
4680 #ifndef MONO_ARCH_GOT_REG
4685 g_assert (cfg->got_var_allocated);
4688 * Allways allocate the GOT var to a register, because keeping it
4689 * in memory will increase the number of live temporaries in some
4690 * code created by inssel.brg, leading to the well known spills+
4691 * branches problem. Testcase: mcs crash in
4692 * System.MonoCustomAttrs:GetCustomAttributes.
4694 #ifdef MONO_ARCH_GOT_REG
4695 got_reg = MONO_ARCH_GOT_REG;
4697 regs = mono_arch_get_global_int_regs (cfg);
4699 got_reg = GPOINTER_TO_INT (regs->data);
4702 cfg->got_var->opcode = OP_REGVAR;
4703 cfg->got_var->dreg = got_reg;
4704 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
4708 * Have to call this again to process variables added since the first call.
4710 mono_liveness_handle_exception_clauses (cfg);
4712 if (cfg->globalra) {
4715 /* Have to do this before regalloc since it can create vregs */
4716 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4717 mono_arch_lowering_pass (cfg, bb);
4719 mono_global_regalloc (cfg);
4722 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
4723 GList *vars, *regs, *l;
4725 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
4726 cfg->comp_done &= ~MONO_COMP_LIVENESS;
4727 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
4728 mono_analyze_liveness (cfg);
4730 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
4731 regs = mono_arch_get_global_int_regs (cfg);
4732 /* Remove the reg reserved for holding the GOT address */
4734 for (l = regs; l; l = l->next) {
4735 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
4736 regs = g_list_delete_link (regs, l);
4741 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
4745 //mono_print_code (cfg, "");
4749 /* variables are allocated after decompose, since decompose could create temps */
4750 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4751 mono_arch_allocate_vars (cfg);
4752 if (cfg->exception_type)
4758 gboolean need_local_opts;
4760 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4761 mono_spill_global_vars (cfg, &need_local_opts);
4763 if (need_local_opts || cfg->compile_aot) {
4764 /* To optimize code created by spill_global_vars */
4765 mono_local_cprop (cfg);
4766 if (cfg->opt & MONO_OPT_DEADCE)
4767 mono_local_deadce (cfg);
4771 /* Add branches between non-consecutive bblocks */
4772 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4773 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
4774 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
4775 /* we are careful when inverting, since bugs like #59580
4776 * could show up when dealing with NaNs.
4778 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
4779 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
4780 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
4781 bb->last_ins->inst_false_bb = tmp;
4783 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
4785 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
4786 inst->opcode = OP_BR;
4787 inst->inst_target_bb = bb->last_ins->inst_false_bb;
4788 mono_bblock_add_inst (bb, inst);
4793 if (cfg->verbose_level >= 4 && !cfg->globalra) {
4794 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4795 MonoInst *tree = bb->code;
4796 g_print ("DUMP BLOCK %d:\n", bb->block_num);
4799 for (; tree; tree = tree->next) {
4800 mono_print_ins_index (-1, tree);
4806 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4807 bb->max_vreg = cfg->next_vreg;
4811 if (COMPILE_LLVM (cfg)) {
4815 /* The IR has to be in SSA form for LLVM */
4816 if (!(cfg->comp_done & MONO_COMP_SSA)) {
4817 cfg->exception_message = g_strdup ("SSA disabled.");
4818 cfg->disable_llvm = TRUE;
4821 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4822 mono_decompose_array_access_opts (cfg);
4824 if (!cfg->disable_llvm)
4825 mono_llvm_emit_method (cfg);
4826 if (cfg->disable_llvm) {
4827 if (cfg->verbose_level >= 1) {
4828 //nm = mono_method_full_name (cfg->method, TRUE);
4829 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4832 mono_destroy_compile (cfg);
4834 goto restart_compile;
4837 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
4838 nm = mono_method_full_name (cfg->method, TRUE);
4839 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
4841 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4849 if (COMPILE_LLVM (cfg))
4850 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
4852 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
4854 cfg->jit_info = create_jit_info (cfg, method_to_compile);
4856 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
4857 if (cfg->extend_live_ranges) {
4858 /* Extend live ranges to cover the whole method */
4859 for (i = 0; i < cfg->num_varinfo; ++i)
4860 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
4864 if (!cfg->compile_aot)
4865 mono_save_xdebug_info (cfg);
4867 mini_gc_create_gc_map (cfg);
4869 mono_save_seq_point_info (cfg);
4871 if (cfg->verbose_level >= 2) {
4872 char *id = mono_method_full_name (cfg->method, FALSE);
4873 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
4877 if (!cfg->compile_aot) {
4878 mono_domain_lock (cfg->domain);
4879 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
4881 if (cfg->method->dynamic)
4882 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
4883 mono_domain_unlock (cfg->domain);
4886 /* collect statistics */
4887 mono_perfcounters->jit_methods++;
4888 mono_perfcounters->jit_bytes += header->code_size;
4889 mono_jit_stats.allocated_code_size += cfg->code_len;
4890 code_size_ratio = cfg->code_len;
4891 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
4892 mono_jit_stats.biggest_method_size = code_size_ratio;
4893 g_free (mono_jit_stats.biggest_method);
4894 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4896 code_size_ratio = (code_size_ratio * 100) / header->code_size;
4897 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
4898 mono_jit_stats.max_code_size_ratio = code_size_ratio;
4899 g_free (mono_jit_stats.max_ratio_method);
4900 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4902 mono_jit_stats.native_code_size += cfg->code_len;
4904 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4905 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4913 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4915 g_assert_not_reached ();
4919 #endif /* DISABLE_JIT */
4922 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
4924 static gboolean inited = FALSE;
4925 static int lookups = 0;
4926 static int failed_lookups = 0;
4929 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
4930 if (ji && !ji->has_generic_jit_info)
4934 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
4935 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
4947 * LOCKING: Assumes domain->jit_code_hash_lock is held.
4950 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
4952 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
4957 if (!mono_method_is_generic_sharable_impl (method, FALSE))
4959 return mono_domain_lookup_shared_generic (domain, method);
4963 lookup_method (MonoDomain *domain, MonoMethod *method)
4967 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
4968 mono_domain_jit_code_hash_lock (domain);
4969 info = lookup_method_inner (domain, method);
4970 mono_domain_jit_code_hash_unlock (domain);
4971 mono_loader_unlock ();
4977 static FILE* perf_map_file = NULL;
4980 mono_enable_jit_map (void)
4982 if (!perf_map_file) {
4984 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
4986 perf_map_file = fopen (name, "w");
4991 mono_emit_jit_tramp (void *start, int size, const char *desc)
4994 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
4998 mono_emit_jit_map (MonoJitInfo *jinfo)
5000 if (perf_map_file) {
5001 char *name = mono_method_full_name (jinfo->method, TRUE);
5002 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5008 mono_jit_map_is_enabled (void)
5010 return perf_map_file != NULL;
5016 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5019 gpointer code = NULL;
5020 MonoJitInfo *jinfo, *info;
5022 MonoException *ex = NULL;
5023 guint32 prof_options;
5025 MonoMethod *prof_method;
5027 #ifdef MONO_USE_AOT_COMPILER
5028 if (opt & MONO_OPT_AOT) {
5029 MonoDomain *domain = mono_domain_get ();
5031 mono_class_init (method->klass);
5033 if ((code = mono_aot_get_method (domain, method))) {
5034 vtable = mono_class_vtable (domain, method->klass);
5036 mono_runtime_class_init (vtable);
5043 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5044 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5046 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5048 if (!piinfo->addr) {
5049 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5050 piinfo->addr = mono_lookup_internal_call (method);
5051 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5053 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);
5055 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);
5058 mono_lookup_pinvoke_call (method, NULL, NULL);
5060 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5061 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5062 jinfo = mono_jit_info_table_find (target_domain, code);
5064 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5066 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5069 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
5070 //mono_debug_add_wrapper (method, nm);
5071 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5072 const char *name = method->name;
5073 char *full_name, *msg;
5076 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5077 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5078 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5081 * We need to make sure this wrapper
5082 * is compiled because it might end up
5083 * in an (M)RGCTX if generic sharing
5084 * is enabled, and would be called
5085 * indirectly. If it were a
5086 * trampoline we'd try to patch that
5087 * indirect call, which is not
5090 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5091 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5092 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5093 return mono_create_delegate_trampoline (method->klass);
5095 nm = mono_marshal_get_delegate_invoke (method, NULL);
5096 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5098 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5099 nm = mono_marshal_get_delegate_begin_invoke (method);
5100 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5101 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5102 nm = mono_marshal_get_delegate_end_invoke (method);
5103 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5107 full_name = mono_method_full_name (method, TRUE);
5108 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5109 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5115 if (mono_aot_only) {
5116 char *fullname = mono_method_full_name (method, TRUE);
5117 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
5119 *jit_ex = mono_get_exception_execution_engine (msg);
5126 jit_timer = g_timer_new ();
5128 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5129 prof_method = cfg->method;
5131 g_timer_stop (jit_timer);
5132 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5133 g_timer_destroy (jit_timer);
5135 switch (cfg->exception_type) {
5136 case MONO_EXCEPTION_NONE:
5138 case MONO_EXCEPTION_TYPE_LOAD:
5139 case MONO_EXCEPTION_MISSING_FIELD:
5140 case MONO_EXCEPTION_MISSING_METHOD:
5141 case MONO_EXCEPTION_FILE_NOT_FOUND:
5142 case MONO_EXCEPTION_BAD_IMAGE: {
5143 /* Throw a type load exception if needed */
5144 MonoLoaderError *error = mono_loader_get_last_error ();
5147 ex = mono_loader_error_prepare_exception (error);
5149 if (cfg->exception_ptr) {
5150 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5152 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5153 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5154 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5155 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5156 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5157 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5158 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5159 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5160 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5161 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5163 g_assert_not_reached ();
5168 case MONO_EXCEPTION_INVALID_PROGRAM:
5169 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5171 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5172 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5174 case MONO_EXCEPTION_METHOD_ACCESS:
5175 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5177 case MONO_EXCEPTION_FIELD_ACCESS:
5178 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5180 /* this can only be set if the security manager is active */
5181 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5182 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5183 MonoObject *exc = NULL;
5186 args [0] = &cfg->exception_data;
5188 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5190 ex = (MonoException*)exc;
5193 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5194 MonoException *exp = cfg->exception_ptr;
5195 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5200 case MONO_EXCEPTION_OUT_OF_MEMORY:
5201 ex = mono_domain_get ()->out_of_memory_ex;
5204 g_assert_not_reached ();
5208 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5209 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5211 mono_destroy_compile (cfg);
5217 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5218 mono_domain_lock (target_domain);
5220 /* Check if some other thread already did the job. In this case, we can
5221 discard the code this thread generated. */
5223 mono_domain_jit_code_hash_lock (target_domain);
5225 info = lookup_method_inner (target_domain, method);
5227 /* We can't use a domain specific method in another domain */
5228 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5229 code = info->code_start;
5230 // printf("Discarding code for method %s\n", method->name);
5235 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
5236 mono_domain_jit_code_hash_unlock (target_domain);
5237 code = cfg->native_code;
5239 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
5240 mono_stats.generics_shared_methods++;
5242 mono_domain_jit_code_hash_unlock (target_domain);
5245 jinfo = cfg->jit_info;
5247 prof_options = cfg->prof_options;
5250 * Update global stats while holding a lock, instead of doing many
5251 * InterlockedIncrement operations during JITting.
5253 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
5254 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
5255 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
5256 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
5257 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
5258 mono_jit_stats.regvars += cfg->stat_n_regvars;
5259 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
5260 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
5261 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
5262 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
5264 mono_destroy_compile (cfg);
5267 if (domain_jit_info (target_domain)->jump_target_hash) {
5268 MonoJumpInfo patch_info;
5269 MonoJumpList *jlist;
5271 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
5273 patch_info.next = NULL;
5274 patch_info.ip.i = 0;
5275 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
5276 patch_info.data.method = method;
5277 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
5279 for (tmp = jlist->list; tmp; tmp = tmp->next)
5280 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
5284 mono_emit_jit_map (jinfo);
5286 mono_domain_unlock (target_domain);
5287 mono_loader_unlock ();
5289 vtable = mono_class_vtable (target_domain, method->klass);
5291 ex = mono_class_get_exception_for_failure (method->klass);
5297 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
5298 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
5299 if (mono_marshal_method_from_wrapper (method)) {
5300 /* Native func wrappers have no method */
5301 /* The profiler doesn't know about wrappers, so pass the original icall method */
5302 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
5305 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5306 if (prof_method != method) {
5307 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
5311 ex = mono_runtime_class_init_full (vtable, FALSE);
5320 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
5322 MonoDomain *target_domain, *domain = mono_domain_get ();
5325 MonoJitICallInfo *callinfo = NULL;
5328 * ICALL wrappers are handled specially, since there is only one copy of them
5329 * shared by all appdomains.
5331 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
5332 const char *icall_name;
5334 icall_name = method->name + strlen ("__icall_wrapper_");
5335 g_assert (icall_name);
5336 callinfo = mono_find_jit_icall_by_name (icall_name);
5337 g_assert (callinfo);
5339 /* Must be domain neutral since there is only one copy */
5340 opt |= MONO_OPT_SHARED;
5343 if (opt & MONO_OPT_SHARED)
5344 target_domain = mono_get_root_domain ();
5346 target_domain = domain;
5348 info = lookup_method (target_domain, method);
5350 /* We can't use a domain specific method in another domain */
5351 if (! ((domain != target_domain) && !info->domain_neutral)) {
5353 MonoException *tmpEx;
5355 mono_jit_stats.methods_lookups++;
5356 vtable = mono_class_vtable (domain, method->klass);
5358 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
5363 return mono_create_ftnptr (target_domain, info->code_start);
5367 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
5371 p = mono_create_ftnptr (target_domain, code);
5375 if (!callinfo->wrapper) {
5376 callinfo->wrapper = p;
5377 mono_register_jit_icall_wrapper (callinfo, p);
5378 mono_debug_add_icall_wrapper (method, callinfo);
5387 mono_jit_compile_method (MonoMethod *method)
5389 MonoException *ex = NULL;
5392 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
5395 mono_raise_exception (ex);
5401 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5403 invalidated_delegate_trampoline (char *desc)
5405 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
5406 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
5412 * mono_jit_free_method:
5414 * Free all memory allocated by the JIT for METHOD.
5417 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
5419 MonoJitDynamicMethodInfo *ji;
5420 gboolean destroy = TRUE;
5421 GHashTableIter iter;
5422 MonoJumpList *jlist;
5424 g_assert (method->dynamic);
5426 mono_domain_lock (domain);
5427 ji = mono_dynamic_code_hash_lookup (domain, method);
5428 mono_domain_unlock (domain);
5433 mono_domain_lock (domain);
5434 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
5435 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
5436 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
5437 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
5439 /* Remove jump targets in this method */
5440 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
5441 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
5442 GSList *tmp, *remove;
5445 for (tmp = jlist->list; tmp; tmp = tmp->next) {
5446 guint8 *ip = tmp->data;
5448 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
5449 remove = g_slist_prepend (remove, tmp);
5451 for (tmp = remove; tmp; tmp = tmp->next) {
5452 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
5454 g_slist_free (remove);
5457 mono_domain_unlock (domain);
5459 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5460 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
5462 * Instead of freeing the code, change it to call an error routine
5463 * so people can fix their code.
5465 char *type = mono_type_full_name (&method->klass->byval_arg);
5466 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
5469 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
5475 * This needs to be done before freeing code_mp, since the code address is the
5476 * key in the table, so if we free the code_mp first, another thread can grab the
5477 * same code address and replace our entry in the table.
5479 mono_jit_info_table_remove (domain, ji->ji);
5482 mono_code_manager_destroy (ji->code_mp);
5487 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
5489 MonoDomain *target_domain;
5492 if (default_opt & MONO_OPT_SHARED)
5493 target_domain = mono_get_root_domain ();
5495 target_domain = domain;
5497 info = lookup_method (target_domain, method);
5499 /* We can't use a domain specific method in another domain */
5500 if (! ((domain != target_domain) && !info->domain_neutral)) {
5501 mono_jit_stats.methods_lookups++;
5504 return info->code_start;
5514 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
5516 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
5521 gpointer compiled_method;
5522 gpointer runtime_invoke;
5524 MonoDynCallInfo *dyn_call_info;
5525 MonoClass *ret_box_class;
5526 } RuntimeInvokeInfo;
5529 * mono_jit_runtime_invoke:
5530 * @method: the method to invoke
5531 * @obj: this pointer
5532 * @params: array of parameter values.
5533 * @exc: used to catch exceptions objects
5536 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
5539 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
5540 MonoDomain *domain = mono_domain_get ();
5541 MonoJitDomainInfo *domain_info;
5542 RuntimeInvokeInfo *info, *info2;
5544 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
5545 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
5549 domain_info = domain_jit_info (domain);
5551 mono_domain_lock (domain);
5552 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5553 mono_domain_unlock (domain);
5556 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
5558 * This might be redundant since mono_class_vtable () already does this,
5559 * but keep it just in case for moonlight.
5561 mono_class_setup_vtable (method->klass);
5562 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
5564 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
5566 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
5571 info = g_new0 (RuntimeInvokeInfo, 1);
5573 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5574 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
5575 g_assert (info->vtable);
5577 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5578 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5580 * Array Get/Set/Address methods. The JIT implements them using inline code
5581 * inside the runtime invoke wrappers, so no need to compile them.
5583 info->compiled_method = NULL;
5585 MonoException *jit_ex = NULL;
5587 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
5588 if (!info->compiled_method) {
5592 *exc = (MonoObject*)jit_ex;
5595 mono_raise_exception (jit_ex);
5599 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
5600 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
5604 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
5605 * in full-aot mode, so we use a slower, but more generic wrapper if
5606 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
5608 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5609 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
5610 MonoMethodSignature *sig = mono_method_signature (method);
5611 gboolean supported = TRUE;
5614 if (method->string_ctor)
5615 sig = mono_marshal_get_string_ctor_signature (method);
5617 for (i = 0; i < sig->param_count; ++i) {
5618 MonoType *t = sig->params [i];
5620 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
5624 if (method->klass->contextbound || !info->compiled_method)
5628 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
5630 if (info->dyn_call_info) {
5631 switch (sig->ret->type) {
5632 case MONO_TYPE_VOID:
5644 case MONO_TYPE_BOOLEAN:
5645 case MONO_TYPE_CHAR:
5648 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5651 info->ret_box_class = mono_defaults.int_class;
5653 case MONO_TYPE_STRING:
5654 case MONO_TYPE_CLASS:
5655 case MONO_TYPE_ARRAY:
5656 case MONO_TYPE_SZARRAY:
5657 case MONO_TYPE_OBJECT:
5659 case MONO_TYPE_GENERICINST:
5660 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
5661 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5663 case MONO_TYPE_VALUETYPE:
5664 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5667 g_assert_not_reached ();
5674 if (!info->dyn_call_info)
5675 info->runtime_invoke = mono_jit_compile_method (invoke);
5677 mono_domain_lock (domain);
5678 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5683 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
5685 mono_domain_unlock (domain);
5688 runtime_invoke = info->runtime_invoke;
5691 * We need this here because mono_marshal_get_runtime_invoke can place
5692 * the helper method in System.Object and not the target class.
5695 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
5699 mono_runtime_class_init (info->vtable);
5702 /* The wrappers expect this to be initialized to NULL */
5706 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5707 if (info->dyn_call_info) {
5708 MonoMethodSignature *sig = mono_method_signature (method);
5710 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
5713 guint8 retval [128];
5715 if (!dyn_runtime_invoke) {
5716 invoke = mono_marshal_get_runtime_invoke_dynamic ();
5717 dyn_runtime_invoke = mono_jit_compile_method (invoke);
5720 /* Convert the arguments to the format expected by start_dyn_call () */
5721 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
5724 args [pindex ++] = &obj;
5725 for (i = 0; i < sig->param_count; ++i) {
5726 MonoType *t = sig->params [i];
5729 args [pindex ++] = ¶ms [i];
5730 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
5731 args [pindex ++] = ¶ms [i];
5733 args [pindex ++] = params [i];
5737 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
5739 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
5741 dyn_runtime_invoke (buf, exc, info->compiled_method);
5743 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
5745 if (info->ret_box_class)
5746 return mono_value_box (domain, info->ret_box_class, retval);
5748 return *(MonoObject**)retval;
5752 return runtime_invoke (obj, params, exc, info->compiled_method);
5756 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
5758 MonoException *exc = NULL;
5760 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
5765 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5767 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
5768 if (mono_arch_is_int_overflow (ctx, info))
5770 * The spec says this throws ArithmeticException, but MS throws the derived
5771 * OverflowException.
5773 exc = mono_get_exception_overflow ();
5775 exc = mono_get_exception_divide_by_zero ();
5777 exc = mono_get_exception_divide_by_zero ();
5781 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5784 mono_handle_native_sigsegv (SIGSEGV, ctx);
5787 mono_arch_handle_exception (ctx, exc, FALSE);
5791 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
5796 exc = mono_get_exception_execution_engine ("SIGILL");
5798 mono_arch_handle_exception (ctx, exc, FALSE);
5801 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
5802 #define HAVE_SIG_INFO
5806 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
5809 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
5810 gpointer fault_addr = NULL;
5814 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
5815 if (mono_arch_is_single_step_event (info, ctx)) {
5816 mono_debugger_agent_single_step_event (ctx);
5818 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
5819 mono_debugger_agent_breakpoint_hit (ctx);
5824 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
5825 fault_addr = info->si_addr;
5826 if (mono_aot_is_pagefault (info->si_addr)) {
5827 mono_aot_handle_pagefault (info->si_addr);
5832 /* The thread might no be registered with the runtime */
5833 if (!mono_domain_get () || !jit_tls) {
5834 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5836 mono_handle_native_sigsegv (SIGSEGV, ctx);
5839 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5841 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
5842 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
5845 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
5846 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
5847 fault_addr = info->si_addr;
5848 if (fault_addr == NULL) {
5851 mono_arch_sigctx_to_monoctx (ctx, &mctx);
5853 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
5857 if (jit_tls->stack_size &&
5858 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
5860 * The hard-guard page has been hit: there is not much we can do anymore
5861 * Print a hopefully clear message and abort.
5863 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
5864 g_assert_not_reached ();
5866 /* The original handler might not like that it is executed on an altstack... */
5867 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
5870 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
5875 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5878 mono_handle_native_sigsegv (SIGSEGV, ctx);
5881 mono_arch_handle_exception (ctx, NULL, FALSE);
5886 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
5891 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
5893 mono_arch_handle_exception (ctx, exc, FALSE);
5896 /* mono_jit_create_remoting_trampoline:
5897 * @method: pointer to the method info
5899 * Creates a trampoline which calls the remoting functions. This
5900 * is used in the vtable of transparent proxies.
5902 * Returns: a pointer to the newly created code
5905 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
5908 guint8 *addr = NULL;
5910 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
5911 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
5915 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
5916 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
5917 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
5918 addr = mono_compile_method (nm);
5920 addr = mono_compile_method (method);
5922 return mono_get_addr_from_ftnptr (addr);
5925 static gpointer *vtable_trampolines;
5926 static int vtable_trampolines_size;
5929 mini_get_vtable_trampoline (int slot_index)
5931 int index = slot_index + MONO_IMT_SIZE;
5933 g_assert (slot_index >= - MONO_IMT_SIZE);
5934 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
5936 if (!vtable_trampolines || index >= vtable_trampolines_size) {
5940 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
5941 while (new_size <= index)
5943 new_table = g_new0 (gpointer, new_size);
5945 if (vtable_trampolines)
5946 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
5947 g_free (vtable_trampolines);
5948 mono_memory_barrier ();
5949 vtable_trampolines = new_table;
5950 vtable_trampolines_size = new_size;
5955 if (!vtable_trampolines [index])
5956 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
5957 return vtable_trampolines [index];
5961 mini_get_imt_trampoline (int slot_index)
5963 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
5967 mini_parse_debug_options (void)
5969 char *options = getenv ("MONO_DEBUG");
5970 gchar **args, **ptr;
5975 args = g_strsplit (options, ",", -1);
5977 for (ptr = args; ptr && *ptr; ptr++) {
5978 const char *arg = *ptr;
5980 if (!strcmp (arg, "handle-sigint"))
5981 debug_options.handle_sigint = TRUE;
5982 else if (!strcmp (arg, "keep-delegates"))
5983 debug_options.keep_delegates = TRUE;
5984 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
5985 debug_options.reverse_pinvoke_exceptions = TRUE;
5986 else if (!strcmp (arg, "collect-pagefault-stats"))
5987 debug_options.collect_pagefault_stats = TRUE;
5988 else if (!strcmp (arg, "break-on-unverified"))
5989 debug_options.break_on_unverified = TRUE;
5990 else if (!strcmp (arg, "no-gdb-backtrace"))
5991 debug_options.no_gdb_backtrace = TRUE;
5992 else if (!strcmp (arg, "suspend-on-sigsegv"))
5993 debug_options.suspend_on_sigsegv = TRUE;
5994 else if (!strcmp (arg, "suspend-on-unhandled"))
5995 debug_options.suspend_on_unhandled = TRUE;
5996 else if (!strcmp (arg, "dont-free-domains"))
5997 mono_dont_free_domains = TRUE;
5998 else if (!strcmp (arg, "dyn-runtime-invoke"))
5999 debug_options.dyn_runtime_invoke = TRUE;
6000 else if (!strcmp (arg, "gdb"))
6001 debug_options.gdb = TRUE;
6002 else if (!strcmp (arg, "explicit-null-checks"))
6003 debug_options.explicit_null_checks = TRUE;
6004 else if (!strcmp (arg, "gen-seq-points"))
6005 debug_options.gen_seq_points = TRUE;
6006 else if (!strcmp (arg, "init-stacks"))
6007 debug_options.init_stacks = TRUE;
6008 else if (!strcmp (arg, "casts"))
6009 debug_options.better_cast_details = TRUE;
6011 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6012 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");
6021 mini_get_debug_options (void)
6023 return &debug_options;
6027 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6032 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6038 #elif defined(__ppc64__) || defined(__powerpc64__)
6041 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6054 mini_get_addr_from_ftnptr (gpointer descr)
6056 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6057 return *(gpointer*)descr;
6064 register_jit_stats (void)
6066 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
6067 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
6068 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6069 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6070 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6071 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
6072 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
6073 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
6074 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
6075 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
6076 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
6077 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
6078 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
6079 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
6080 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
6081 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
6082 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
6085 static void runtime_invoke_info_free (gpointer value);
6088 mini_create_jit_domain_info (MonoDomain *domain)
6090 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
6092 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6093 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6094 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6095 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6096 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6097 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
6098 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
6099 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
6100 info->jump_target_hash = g_hash_table_new (NULL, NULL);
6102 domain->runtime_info = info;
6106 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
6108 MonoJumpList *jlist = value;
6109 g_slist_free (jlist->list);
6113 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
6115 MonoJitDynamicMethodInfo *di = value;
6116 mono_code_manager_destroy (di->code_mp);
6121 runtime_invoke_info_free (gpointer value)
6123 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
6125 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6126 if (info->dyn_call_info)
6127 mono_arch_dyn_call_free (info->dyn_call_info);
6133 mini_free_jit_domain_info (MonoDomain *domain)
6135 MonoJitDomainInfo *info = domain_jit_info (domain);
6137 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6138 g_hash_table_destroy (info->jump_target_hash);
6139 if (info->jump_target_got_slot_hash) {
6140 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6141 g_hash_table_destroy (info->jump_target_got_slot_hash);
6143 if (info->dynamic_code_hash) {
6144 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6145 g_hash_table_destroy (info->dynamic_code_hash);
6147 if (info->method_code_hash)
6148 g_hash_table_destroy (info->method_code_hash);
6149 g_hash_table_destroy (info->class_init_trampoline_hash);
6150 g_hash_table_destroy (info->jump_trampoline_hash);
6151 g_hash_table_destroy (info->jit_trampoline_hash);
6152 g_hash_table_destroy (info->delegate_trampoline_hash);
6153 if (info->static_rgctx_trampoline_hash)
6154 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6155 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6156 g_hash_table_destroy (info->runtime_invoke_hash);
6157 g_hash_table_destroy (info->seq_points);
6158 g_hash_table_destroy (info->arch_seq_points);
6160 if (info->agent_info)
6161 mono_debugger_agent_free_domain_info (domain);
6163 g_free (domain->runtime_info);
6164 domain->runtime_info = NULL;
6168 mini_init (const char *filename, const char *runtime_version)
6171 MonoRuntimeCallbacks callbacks;
6173 MONO_PROBE_VES_INIT_BEGIN ();
6175 #if defined(__linux__) && !defined(__native_client__)
6176 if (access ("/proc/self/maps", F_OK) != 0) {
6177 g_print ("Mono requires /proc to be mounted.\n");
6182 /* Happens when using the embedding interface */
6183 if (!default_opt_set)
6184 default_opt = mono_parse_default_optimizations (NULL);
6186 InitializeCriticalSection (&jit_mutex);
6188 #ifdef MONO_DEBUGGER_SUPPORTED
6189 if (mini_debug_running_inside_mdb ())
6190 mini_debugger_init ();
6193 #ifdef MONO_HAVE_FAST_TLS
6194 MONO_FAST_TLS_INIT (mono_jit_tls);
6195 MONO_FAST_TLS_INIT (mono_lmf_addr);
6196 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
6197 MONO_FAST_TLS_INIT (mono_lmf);
6201 #ifdef MONO_ARCH_HAVE_TLS_GET
6202 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
6204 mono_runtime_set_has_tls_get (FALSE);
6207 if (!global_codeman)
6208 global_codeman = mono_code_manager_new ();
6209 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
6211 memset (&callbacks, 0, sizeof (callbacks));
6212 callbacks.create_ftnptr = mini_create_ftnptr;
6213 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
6214 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
6215 callbacks.set_cast_details = mono_set_cast_details;
6217 #ifdef MONO_ARCH_HAVE_IMT
6219 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
6220 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
6224 mono_install_callbacks (&callbacks);
6226 if (getenv ("MONO_DEBUG") != NULL)
6227 mini_parse_debug_options ();
6229 mono_arch_cpu_init ();
6233 mono_unwind_init ();
6235 if (getenv ("MONO_XDEBUG")) {
6236 char *xdebug_opts = getenv ("MONO_XDEBUG");
6237 mono_xdebug_init (xdebug_opts);
6238 /* So methods for multiple domains don't have the same address */
6239 mono_dont_free_domains = TRUE;
6240 mono_using_xdebug = TRUE;
6241 } else if (mini_get_debug_options ()->gdb) {
6242 mono_xdebug_init ((char*)"gdb");
6243 mono_dont_free_domains = TRUE;
6244 mono_using_xdebug = TRUE;
6248 if (mono_use_llvm) {
6249 if (!mono_llvm_load (NULL)) {
6250 mono_use_llvm = FALSE;
6251 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
6258 mono_trampolines_init ();
6260 if (!g_thread_supported ())
6261 g_thread_init (NULL);
6263 mono_jit_tls_id = TlsAlloc ();
6264 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
6266 if (default_opt & MONO_OPT_AOT)
6269 mono_debugger_agent_init ();
6271 #ifdef MONO_ARCH_GSHARED_SUPPORTED
6272 mono_set_generic_sharing_supported (TRUE);
6275 #ifndef MONO_CROSS_COMPILE
6276 mono_runtime_install_handlers ();
6278 mono_threads_install_cleanup (mini_thread_cleanup);
6280 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
6281 // This is experimental code so provide an env var to switch it off
6282 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
6283 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
6285 check_for_pending_exc = FALSE;
6286 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
6290 #define JIT_TRAMPOLINES_WORK
6291 #ifdef JIT_TRAMPOLINES_WORK
6292 mono_install_compile_method (mono_jit_compile_method);
6293 mono_install_free_method (mono_jit_free_method);
6294 mono_install_trampoline (mono_create_jit_trampoline);
6295 mono_install_jump_trampoline (mono_create_jump_trampoline);
6296 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
6297 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
6298 mono_install_create_domain_hook (mini_create_jit_domain_info);
6299 mono_install_free_domain_hook (mini_free_jit_domain_info);
6301 #define JIT_INVOKE_WORKS
6302 #ifdef JIT_INVOKE_WORKS
6303 mono_install_runtime_invoke (mono_jit_runtime_invoke);
6305 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
6306 mono_install_get_class_from_name (mono_aot_get_class_from_name);
6307 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
6309 if (debug_options.collect_pagefault_stats) {
6310 mono_aot_set_make_unreadable (TRUE);
6313 if (runtime_version)
6314 domain = mono_init_version (filename, runtime_version);
6316 domain = mono_init_from_assembly (filename, filename);
6318 if (mono_aot_only) {
6319 /* This helps catch code allocation requests */
6320 mono_code_manager_set_read_only (domain->code_mp);
6323 #ifdef MONO_ARCH_HAVE_IMT
6326 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
6328 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
6332 /* This must come after mono_init () in the aot-only case */
6333 mono_exceptions_init ();
6337 /* This should come after mono_init () too */
6340 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
6341 ves_icall_get_frame_info);
6342 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
6343 ves_icall_get_trace);
6344 mono_add_internal_call ("System.Exception::get_trace",
6345 ves_icall_System_Exception_get_trace);
6346 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
6347 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
6348 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
6349 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
6350 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
6351 mono_runtime_install_handlers);
6353 mono_create_helper_signatures ();
6355 register_jit_stats ();
6357 #define JIT_CALLS_WORK
6358 #ifdef JIT_CALLS_WORK
6359 /* Needs to be called here since register_jit_icall depends on it */
6360 mono_marshal_init ();
6362 mono_arch_register_lowlevel_calls ();
6363 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
6364 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
6365 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
6366 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
6367 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
6368 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
6369 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
6371 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
6372 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
6373 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
6375 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
6376 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
6377 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
6378 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
6379 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
6381 #if defined(__native_client__) || defined(__native_client_codegen__)
6382 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
6385 * NOTE, NOTE, NOTE, NOTE:
6386 * when adding emulation for some opcodes, remember to also add a dummy
6387 * rule to the burg files, because we need the arity information to be correct.
6389 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
6390 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
6391 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
6392 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
6393 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
6394 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
6395 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
6396 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
6399 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
6400 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
6401 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
6402 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
6405 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
6406 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
6407 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6408 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
6409 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6412 #ifdef MONO_ARCH_EMULATE_MUL_DIV
6413 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
6416 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
6417 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6418 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6421 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
6422 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
6425 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
6426 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
6427 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
6428 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
6430 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
6431 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
6433 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
6434 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6436 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
6437 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
6439 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
6440 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
6442 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
6443 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
6445 #ifdef MONO_ARCH_EMULATE_FREM
6446 #if defined(__default_codegen__)
6447 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
6448 #elif defined(__native_client_codegen__)
6449 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, FALSE);
6453 #ifdef MONO_ARCH_SOFT_FLOAT
6454 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
6455 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
6456 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
6457 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
6458 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
6459 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
6460 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
6461 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
6462 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
6463 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
6464 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
6465 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
6466 #if SIZEOF_VOID_P == 4
6467 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
6470 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
6471 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
6472 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
6473 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
6474 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
6475 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
6476 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
6477 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
6478 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
6479 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
6481 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
6482 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
6483 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
6484 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
6485 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
6487 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
6488 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
6489 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
6490 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
6493 #ifdef COMPRESSED_INTERFACE_BITMAP
6494 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
6497 #if SIZEOF_REGISTER == 4
6498 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
6501 /* other jit icalls */
6502 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
6503 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
6504 "ptr ptr ptr", FALSE);
6505 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
6506 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
6507 "ptr ptr ptr ptr", FALSE);
6508 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
6509 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
6510 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
6511 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
6512 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
6513 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
6514 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
6515 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
6516 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
6517 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
6518 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
6519 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
6520 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
6521 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
6522 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
6523 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
6524 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
6525 register_icall (mono_break, "mono_break", NULL, TRUE);
6526 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
6527 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
6528 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
6529 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
6530 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
6531 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
6532 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
6533 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
6535 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
6537 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
6538 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
6542 mono_generic_sharing_init ();
6544 #ifdef MONO_ARCH_SIMD_INTRINSICS
6545 mono_simd_intrinsics_init ();
6548 #if MONO_SUPPORT_TASKLETS
6549 mono_tasklets_init ();
6552 if (mono_compile_aot)
6554 * Avoid running managed code when AOT compiling, since the platform
6555 * might only support aot-only execution.
6557 mono_runtime_set_no_exec (TRUE);
6559 #define JIT_RUNTIME_WORKS
6560 #ifdef JIT_RUNTIME_WORKS
6561 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
6562 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
6563 mono_thread_attach (domain);
6566 mono_profiler_runtime_initialized ();
6568 MONO_PROBE_VES_INIT_END ();
6573 MonoJitStats mono_jit_stats = {0};
6576 print_jit_stats (void)
6578 if (mono_jit_stats.enabled) {
6579 g_print ("Mono Jit statistics\n");
6580 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
6581 mono_jit_stats.max_ratio_method);
6582 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
6583 mono_jit_stats.biggest_method);
6585 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
6586 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
6587 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
6588 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
6589 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
6590 g_print ("Methods: %ld\n", mono_stats.method_count);
6591 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
6592 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
6593 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
6595 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
6596 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
6597 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
6599 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
6600 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
6601 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
6603 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
6604 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
6605 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
6607 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
6608 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
6609 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
6610 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
6611 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
6612 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
6613 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
6614 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
6616 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
6617 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
6618 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
6620 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
6621 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
6622 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
6623 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
6624 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
6625 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
6626 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
6627 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
6628 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
6629 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
6630 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
6631 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
6634 g_free (mono_jit_stats.max_ratio_method);
6635 mono_jit_stats.max_ratio_method = NULL;
6636 g_free (mono_jit_stats.biggest_method);
6637 mono_jit_stats.biggest_method = NULL;
6642 mini_cleanup (MonoDomain *domain)
6644 mono_runtime_shutdown_stat_profiler ();
6647 cominterop_release_all_rcws ();
6650 #ifndef MONO_CROSS_COMPILE
6651 mono_runtime_shutdown ();
6653 * mono_runtime_cleanup() and mono_domain_finalize () need to
6654 * be called early since they need the execution engine still
6655 * fully working (mono_domain_finalize may invoke managed finalizers
6656 * and mono_runtime_cleanup will wait for other threads to finish).
6658 mono_domain_finalize (domain, 2000);
6661 /* This accesses metadata so needs to be called before runtime shutdown */
6664 mono_profiler_shutdown ();
6666 #ifndef MONO_CROSS_COMPILE
6667 mono_runtime_cleanup (domain);
6670 free_jit_tls_data (TlsGetValue (mono_jit_tls_id));
6672 mono_icall_cleanup ();
6674 mono_runtime_cleanup_handlers ();
6676 mono_domain_free (domain, TRUE);
6678 mono_debugger_cleanup ();
6682 mono_llvm_cleanup ();
6685 mono_aot_cleanup ();
6687 mono_trampolines_cleanup ();
6689 mono_unwind_cleanup ();
6691 if (!mono_dont_free_global_codeman)
6692 mono_code_manager_destroy (global_codeman);
6693 g_hash_table_destroy (jit_icall_name_hash);
6694 g_free (emul_opcode_map);
6695 g_free (emul_opcode_opcodes);
6696 g_free (vtable_trampolines);
6698 mono_arch_cleanup ();
6700 mono_generic_sharing_cleanup ();
6704 mono_trace_cleanup ();
6706 mono_counters_dump (-1, stdout);
6708 if (mono_inject_async_exc_method)
6709 mono_method_desc_free (mono_inject_async_exc_method);
6711 TlsFree(mono_jit_tls_id);
6713 DeleteCriticalSection (&jit_mutex);
6715 DeleteCriticalSection (&mono_delegate_section);
6719 mono_set_defaults (int verbose_level, guint32 opts)
6721 mini_verbose = verbose_level;
6723 default_opt_set = TRUE;
6727 mono_disable_optimizations (guint32 opts)
6729 default_opt &= ~opts;
6733 * mono_get_runtime_build_info:
6735 * Return the runtime version + build date in string format.
6736 * The returned string is owned by the caller.
6739 mono_get_runtime_build_info (void)
6741 if (mono_build_date)
6742 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
6744 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
6748 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
6750 GHashTable *assemblies = (GHashTable*)user_data;
6751 MonoImage *image = mono_assembly_get_image (ass);
6752 MonoMethod *method, *invoke;
6755 if (g_hash_table_lookup (assemblies, ass))
6758 g_hash_table_insert (assemblies, ass, ass);
6760 if (mini_verbose > 0)
6761 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
6763 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
6764 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
6765 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
6769 if (mini_verbose > 1) {
6770 char * desc = mono_method_full_name (method, TRUE);
6771 g_print ("Compiling %d %s\n", count, desc);
6774 mono_compile_method (method);
6775 if (strcmp (method->name, "Finalize") == 0) {
6776 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6777 mono_compile_method (invoke);
6779 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
6780 invoke = mono_marshal_get_remoting_invoke_with_check (method);
6781 mono_compile_method (invoke);
6785 /* Load and precompile referenced assemblies as well */
6786 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
6787 mono_assembly_load_reference (image, i);
6788 if (image->references [i])
6789 mono_precompile_assembly (image->references [i], assemblies);
6793 void mono_precompile_assemblies ()
6795 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
6797 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
6799 g_hash_table_destroy (assemblies);
6805 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
6806 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
6810 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
6812 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
6813 hole->clause = clause;
6814 hole->start_offset = start - cfg->native_code;
6815 hole->basic_block = bb;
6817 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
6821 mono_cfg_set_exception (MonoCompile *cfg, int type)
6823 cfg->exception_type = type;