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 #ifdef MONO_HAVE_FAST_TLS
81 MONO_FAST_TLS_DECLARE(mono_jit_tls);
84 #ifndef MONO_ARCH_MONITOR_ENTER_ADJUSTMENT
85 #define MONO_ARCH_MONITOR_ENTER_ADJUSTMENT 1
88 MonoTraceSpec *mono_jit_trace_calls = NULL;
89 gboolean mono_break_on_exc = FALSE;
90 gboolean mono_compile_aot = FALSE;
91 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
92 gboolean mono_aot_only = FALSE;
93 /* Whenever to use IMT */
94 #ifdef MONO_ARCH_HAVE_IMT
95 gboolean mono_use_imt = TRUE;
97 gboolean mono_use_imt = FALSE;
99 MonoMethodDesc *mono_inject_async_exc_method = NULL;
100 int mono_inject_async_exc_pos;
101 MonoMethodDesc *mono_break_at_bb_method = NULL;
102 int mono_break_at_bb_bb_num;
103 gboolean mono_do_x86_stack_align = TRUE;
104 const char *mono_build_date;
105 gboolean mono_do_signal_chaining;
106 static gboolean mono_using_xdebug;
107 static int mini_verbose = 0;
110 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
111 * it can load AOT code compiled by LLVM.
113 gboolean mono_use_llvm = FALSE;
115 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
116 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
117 static CRITICAL_SECTION jit_mutex;
119 static MonoCodeManager *global_codeman = NULL;
121 static GHashTable *jit_icall_name_hash = NULL;
123 static MonoDebugOptions debug_options;
125 #ifdef VALGRIND_JIT_REGISTER_MAP
126 static int valgrind_register = 0;
130 * Table written to by the debugger with a 1-based index into the
131 * mono_breakpoint_info table, which contains changes made to
132 * the JIT instructions by the debugger.
135 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
137 /* Whenever to check for pending exceptions in managed-to-native wrappers */
138 gboolean check_for_pending_exc = TRUE;
140 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
141 gboolean disable_vtypes_in_regs = FALSE;
143 gboolean mono_dont_free_global_codeman;
146 mono_realloc_native_code (MonoCompile *cfg)
148 #if defined(__default_codegen__)
149 return g_realloc (cfg->native_code, cfg->code_size);
150 #elif defined(__native_client_codegen__)
152 gpointer native_code;
153 guint alignment_check;
155 /* Save the old alignment offset so we can re-align after the realloc. */
156 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
158 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
159 cfg->code_size + kNaClAlignment );
161 /* Align native_code to next nearest kNaClAlignment byte. */
162 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
163 native_code = (guint)native_code & ~kNaClAlignmentMask;
165 /* Shift the data to be 32-byte aligned again. */
166 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
168 alignment_check = (guint)native_code & kNaClAlignmentMask;
169 g_assert (alignment_check == 0);
172 g_assert_not_reached ();
173 return cfg->native_code;
177 #ifdef __native_client_codegen__
179 /* Prevent instructions from straddling a 32-byte alignment boundary. */
180 /* Instructions longer than 32 bytes must be aligned internally. */
181 /* IN: pcode, instlen */
183 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
186 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
188 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
189 g_assert_not_reached();
190 } else if (instlen > space_in_block) {
191 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
195 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
196 /* IN: start pointer to start of call sequence */
197 /* IN: pcode pointer to end of call sequence (current "IP") */
198 /* OUT: start pointer to the start of the call sequence after padding */
199 /* OUT: pcode pointer to the end of the call sequence after padding */
200 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
201 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
202 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
205 const size_t length = (size_t)((*pcode)-(*start));
206 g_assert(length < MAX_NACL_CALL_LENGTH);
208 memcpy(copy_of_call, *start, length);
209 temp = mono_nacl_pad_call(*start, (guint8)length);
210 memcpy(temp, copy_of_call, length);
212 (*pcode) = temp + length;
215 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
216 /* code pointer to buffer for emitting code */
217 /* ilength length of call instruction */
218 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
219 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
220 int padding = freeSpaceInBlock - ilength;
223 /* There isn't enough space in this block for the instruction. */
224 /* Fill this block and start a new one. */
225 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
226 freeSpaceInBlock = kNaClAlignment;
227 padding = freeSpaceInBlock - ilength;
229 g_assert(ilength > 0);
230 g_assert(padding >= 0);
231 g_assert(padding < kNaClAlignment);
232 if (0 == padding) return code;
233 return mono_arch_nacl_pad(code, padding);
236 guint8 *mono_nacl_align(guint8 *code) {
237 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
238 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
242 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
244 MonoJumpInfo *patch_info;
245 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
246 unsigned char *ip = patch_info->ip.i + code;
247 ip = mono_arch_nacl_skip_nops(ip);
248 patch_info->ip.i = ip - code;
251 #endif /* __native_client_codegen__ */
254 mono_running_on_valgrind (void)
256 if (RUNNING_ON_VALGRIND){
257 #ifdef VALGRIND_JIT_REGISTER_MAP
258 valgrind_register = TRUE;
266 MonoExceptionClause *clause;
267 MonoBasicBlock *basic_block;
277 find_tramp (gpointer key, gpointer value, gpointer user_data)
279 FindTrampUserData *ud = (FindTrampUserData*)user_data;
282 ud->method = (MonoMethod*)key;
286 G_GNUC_UNUSED static char*
287 get_method_from_ip (void *ip)
292 MonoDomain *domain = mono_domain_get ();
293 MonoDebugSourceLocation *location;
294 FindTrampUserData user_data;
296 ji = mono_jit_info_table_find (domain, ip);
299 user_data.method = NULL;
300 mono_domain_lock (domain);
301 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
302 mono_domain_unlock (domain);
303 if (user_data.method) {
304 char *mname = mono_method_full_name (user_data.method, TRUE);
305 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
312 method = mono_method_full_name (ji->method, TRUE);
313 /* FIXME: unused ? */
314 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
316 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);
318 mono_debug_free_source_location (location);
326 * @ip: an instruction pointer address
328 * This method is used from a debugger to get the name of the
329 * method at address @ip. This routine is typically invoked from
330 * a debugger like this:
332 * (gdb) print mono_pmip ($pc)
334 * Returns: the name of the method at address @ip.
339 return get_method_from_ip (ip);
343 * mono_print_method_from_ip
344 * @ip: an instruction pointer address
346 * This method is used from a debugger to get the name of the
347 * method at address @ip.
349 * This prints the name of the method at address @ip in the standard
350 * output. Unlike mono_pmip which returns a string, this routine
351 * prints the value on the standard output.
354 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
355 __attribute__((used))
358 mono_print_method_from_ip (void *ip)
362 MonoDebugSourceLocation *source;
363 MonoDomain *domain = mono_domain_get ();
364 MonoDomain *target_domain = mono_domain_get ();
365 FindTrampUserData user_data;
367 ji = mini_jit_info_table_find (domain, ip, &target_domain);
370 user_data.method = NULL;
371 mono_domain_lock (domain);
372 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
373 mono_domain_unlock (domain);
374 if (user_data.method) {
375 char *mname = mono_method_full_name (user_data.method, TRUE);
376 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
380 g_print ("No method at %p\n", ip);
384 method = mono_method_full_name (ji->method, TRUE);
385 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
387 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);
390 g_print ("%s:%d\n", source->source_file, source->row);
393 mono_debug_free_source_location (source);
398 * mono_method_same_domain:
400 * Determine whenever two compiled methods are in the same domain, thus
401 * the address of the callee can be embedded in the caller.
403 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
405 if (!caller || !callee)
409 * If the call was made from domain-neutral to domain-specific
410 * code, we can't patch the call site.
412 if (caller->domain_neutral && !callee->domain_neutral)
415 if ((caller->method->klass == mono_defaults.appdomain_class) &&
416 (strstr (caller->method->name, "InvokeInDomain"))) {
417 /* The InvokeInDomain methods change the current appdomain */
425 * mono_global_codeman_reserve:
427 * Allocate code memory from the global code manager.
429 void *mono_global_codeman_reserve (int size)
434 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
436 if (!global_codeman) {
437 /* This can happen during startup */
438 global_codeman = mono_code_manager_new ();
439 return mono_code_manager_reserve (global_codeman, size);
443 ptr = mono_code_manager_reserve (global_codeman, size);
449 #if defined(__native_client_codegen__) && defined(__native_client__)
450 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
451 * which we are generating code, return a pointer to the destination in the
452 * dynamic code segment into which the code will be copied when
453 * mono_global_codeman_commit is called.
454 * LOCKING: Acquires the jit lock.
457 nacl_global_codeman_get_dest (void *data)
461 dest = nacl_code_manager_get_code_dest (global_codeman, data);
467 mono_global_codeman_commit (void *data, int size, int newsize)
470 mono_code_manager_commit (global_codeman, data, size, newsize);
475 * Convenience function which calls mono_global_codeman_commit to validate and
476 * copy the code. The caller sets *buf_base and *buf_size to the start and size
477 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
478 * the byte after the last instruction byte. On return, *buf_base will point to
479 * the start of the copied in the code segment, and *code_end will point after
480 * the end of the copied code.
483 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
485 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
486 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
487 *code_end = tmp + (*code_end - *buf_base);
491 /* no-op versions of Native Client functions */
493 nacl_global_codeman_get_dest (void *data)
499 mono_global_codeman_commit (void *data, int size, int newsize)
504 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
508 #endif /* __native_client__ */
511 * mono_create_unwind_op:
513 * Create an unwind op with the given parameters.
516 mono_create_unwind_op (int when, int tag, int reg, int val)
518 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
529 * mono_emit_unwind_op:
531 * Add an unwind op with the given parameters for the list of unwind ops stored in
535 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
537 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
544 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
548 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
550 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
553 res->has_context = context != NULL;
555 memcpy (&res->context, context, sizeof (MonoGenericContext));
561 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
563 return mono_jump_info_token_new2 (mp, image, token, NULL);
567 * mono_tramp_info_create:
569 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
570 * of NAME, JI, and UNWIND_OPS.
573 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
575 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
577 info->name = (char*)name;
579 info->code_size = code_size;
581 info->unwind_ops = unwind_ops;
587 mono_tramp_info_free (MonoTrampInfo *info)
594 for (l = info->unwind_ops; l; l = l->next)
596 g_slist_free (info->unwind_ops);
600 #define MONO_INIT_VARINFO(vi,id) do { \
601 (vi)->range.first_use.pos.bid = 0xffff; \
607 * mono_unlink_bblock:
609 * Unlink two basic blocks.
612 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
618 for (i = 0; i < from->out_count; ++i) {
619 if (to == from->out_bb [i]) {
626 for (i = 0; i < from->out_count; ++i) {
627 if (from->out_bb [i] != to)
628 from->out_bb [pos ++] = from->out_bb [i];
630 g_assert (pos == from->out_count - 1);
635 for (i = 0; i < to->in_count; ++i) {
636 if (from == to->in_bb [i]) {
643 for (i = 0; i < to->in_count; ++i) {
644 if (to->in_bb [i] != from)
645 to->in_bb [pos ++] = to->in_bb [i];
647 g_assert (pos == to->in_count - 1);
653 * mono_bblocks_linked:
655 * Return whenever BB1 and BB2 are linked in the CFG.
658 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
662 for (i = 0; i < bb1->out_count; ++i) {
663 if (bb1->out_bb [i] == bb2)
671 mono_find_block_region_notry (MonoCompile *cfg, int offset)
673 MonoMethodHeader *header = cfg->header;
674 MonoExceptionClause *clause;
677 for (i = 0; i < header->num_clauses; ++i) {
678 clause = &header->clauses [i];
679 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
680 (offset < (clause->handler_offset)))
681 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
683 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
684 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
685 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
686 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
687 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
689 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
697 * mono_get_block_region_notry:
699 * Return the region corresponding to REGION, ignoring try clauses nested inside
703 mono_get_block_region_notry (MonoCompile *cfg, int region)
705 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
706 MonoMethodHeader *header = cfg->header;
709 * This can happen if a try clause is nested inside a finally clause.
711 int clause_index = (region >> 8) - 1;
712 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
714 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
721 mono_find_spvar_for_region (MonoCompile *cfg, int region)
723 region = mono_get_block_region_notry (cfg, region);
725 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
729 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
733 array [*dfn] = start;
734 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
735 for (i = 0; i < start->out_count; ++i) {
736 if (start->out_bb [i]->dfn)
739 start->out_bb [i]->dfn = *dfn;
740 start->out_bb [i]->df_parent = start;
741 array [*dfn] = start->out_bb [i];
742 df_visit (start->out_bb [i], dfn, array);
747 mono_reverse_branch_op (guint32 opcode)
749 static const int reverse_map [] = {
750 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
751 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
753 static const int reverse_fmap [] = {
754 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
755 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
757 static const int reverse_lmap [] = {
758 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
759 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
761 static const int reverse_imap [] = {
762 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
763 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
766 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
767 opcode = reverse_map [opcode - CEE_BEQ];
768 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
769 opcode = reverse_fmap [opcode - OP_FBEQ];
770 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
771 opcode = reverse_lmap [opcode - OP_LBEQ];
772 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
773 opcode = reverse_imap [opcode - OP_IBEQ];
775 g_assert_not_reached ();
781 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
784 return OP_STORE_MEMBASE_REG;
787 switch (type->type) {
790 case MONO_TYPE_BOOLEAN:
791 return OP_STOREI1_MEMBASE_REG;
795 return OP_STOREI2_MEMBASE_REG;
798 return OP_STOREI4_MEMBASE_REG;
802 case MONO_TYPE_FNPTR:
803 return OP_STORE_MEMBASE_REG;
804 case MONO_TYPE_CLASS:
805 case MONO_TYPE_STRING:
806 case MONO_TYPE_OBJECT:
807 case MONO_TYPE_SZARRAY:
808 case MONO_TYPE_ARRAY:
809 return OP_STORE_MEMBASE_REG;
812 return OP_STOREI8_MEMBASE_REG;
814 return OP_STORER4_MEMBASE_REG;
816 return OP_STORER8_MEMBASE_REG;
817 case MONO_TYPE_VALUETYPE:
818 if (type->data.klass->enumtype) {
819 type = mono_class_enum_basetype (type->data.klass);
822 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
823 return OP_STOREX_MEMBASE;
824 return OP_STOREV_MEMBASE;
825 case MONO_TYPE_TYPEDBYREF:
826 return OP_STOREV_MEMBASE;
827 case MONO_TYPE_GENERICINST:
828 type = &type->data.generic_class->container_class->byval_arg;
832 /* FIXME: all the arguments must be references for now,
833 * later look inside cfg and see if the arg num is
836 g_assert (cfg->generic_sharing_context);
837 return OP_STORE_MEMBASE_REG;
839 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
845 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
848 return OP_LOAD_MEMBASE;
850 type = mono_type_get_underlying_type (type);
852 switch (type->type) {
854 return OP_LOADI1_MEMBASE;
856 case MONO_TYPE_BOOLEAN:
857 return OP_LOADU1_MEMBASE;
859 return OP_LOADI2_MEMBASE;
862 return OP_LOADU2_MEMBASE;
864 return OP_LOADI4_MEMBASE;
866 return OP_LOADU4_MEMBASE;
870 case MONO_TYPE_FNPTR:
871 return OP_LOAD_MEMBASE;
872 case MONO_TYPE_CLASS:
873 case MONO_TYPE_STRING:
874 case MONO_TYPE_OBJECT:
875 case MONO_TYPE_SZARRAY:
876 case MONO_TYPE_ARRAY:
877 return OP_LOAD_MEMBASE;
880 return OP_LOADI8_MEMBASE;
882 return OP_LOADR4_MEMBASE;
884 return OP_LOADR8_MEMBASE;
885 case MONO_TYPE_VALUETYPE:
886 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
887 return OP_LOADX_MEMBASE;
888 case MONO_TYPE_TYPEDBYREF:
889 return OP_LOADV_MEMBASE;
890 case MONO_TYPE_GENERICINST:
891 if (mono_type_generic_inst_is_valuetype (type))
892 return OP_LOADV_MEMBASE;
894 return OP_LOAD_MEMBASE;
898 /* FIXME: all the arguments must be references for now,
899 * later look inside cfg and see if the arg num is
902 g_assert (cfg->generic_sharing_context);
903 return OP_LOAD_MEMBASE;
905 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
911 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
913 if (cfg->generic_sharing_context && !type->byref) {
914 /* FIXME: all the arguments must be references for now,
915 * later look inside cfg and see if the arg num is
918 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
919 return CEE_LDIND_REF;
921 return mono_type_to_ldind (type);
925 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
927 if (cfg->generic_sharing_context && !type->byref) {
928 /* FIXME: all the arguments must be references for now,
929 * later look inside cfg and see if the arg num is
932 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
933 return CEE_STIND_REF;
935 return mono_type_to_stind (type);
939 mono_op_imm_to_op (int opcode)
943 #if SIZEOF_REGISTER == 4
959 #if SIZEOF_REGISTER == 4
965 #if SIZEOF_REGISTER == 4
971 #if SIZEOF_REGISTER == 4
1002 case OP_IDIV_UN_IMM:
1004 case OP_IREM_UN_IMM:
1009 #if SIZEOF_REGISTER == 4
1015 #if SIZEOF_REGISTER == 4
1032 case OP_COMPARE_IMM:
1034 case OP_ICOMPARE_IMM:
1036 case OP_LOCALLOC_IMM:
1039 printf ("%s\n", mono_inst_name (opcode));
1040 g_assert_not_reached ();
1046 * mono_decompose_op_imm:
1048 * Replace the OP_.._IMM INS with its non IMM variant.
1051 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1055 MONO_INST_NEW (cfg, temp, OP_ICONST);
1056 temp->inst_c0 = ins->inst_imm;
1057 temp->dreg = mono_alloc_ireg (cfg);
1058 mono_bblock_insert_before_ins (bb, ins, temp);
1059 ins->opcode = mono_op_imm_to_op (ins->opcode);
1060 if (ins->opcode == OP_LOCALLOC)
1061 ins->sreg1 = temp->dreg;
1063 ins->sreg2 = temp->dreg;
1065 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1069 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1071 if (vreg >= cfg->vreg_to_inst_len) {
1072 MonoInst **tmp = cfg->vreg_to_inst;
1073 int size = cfg->vreg_to_inst_len;
1075 while (vreg >= cfg->vreg_to_inst_len)
1076 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1077 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1079 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1081 cfg->vreg_to_inst [vreg] = inst;
1084 #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)))
1085 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1090 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1098 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1101 int num = cfg->num_varinfo;
1104 if ((num + 1) >= cfg->varinfo_count) {
1105 int orig_count = cfg->varinfo_count;
1106 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1107 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1108 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1109 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1112 cfg->stat_allocate_var++;
1114 MONO_INST_NEW (cfg, inst, opcode);
1115 inst->inst_c0 = num;
1116 inst->inst_vtype = type;
1117 inst->klass = mono_class_from_mono_type (type);
1118 type_to_eval_stack_type (cfg, type, inst);
1119 /* if set to 1 the variable is native */
1120 inst->backend.is_pinvoke = 0;
1123 if (cfg->compute_gc_maps) {
1125 mono_mark_vreg_as_mp (cfg, vreg);
1127 MonoType *t = mini_type_get_underlying_type (NULL, type);
1128 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1129 inst->flags |= MONO_INST_GC_TRACK;
1130 mono_mark_vreg_as_ref (cfg, vreg);
1135 cfg->varinfo [num] = inst;
1137 MONO_INIT_VARINFO (&cfg->vars [num], num);
1138 MONO_VARINFO (cfg, num)->vreg = vreg;
1141 set_vreg_to_inst (cfg, vreg, inst);
1143 #if SIZEOF_REGISTER == 4
1144 #ifdef MONO_ARCH_SOFT_FLOAT
1145 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1147 regpair = mono_type_is_long (type);
1157 * These two cannot be allocated using create_var_for_vreg since that would
1158 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1162 * Set flags to VOLATILE so SSA skips it.
1165 if (cfg->verbose_level >= 4) {
1166 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1169 #ifdef MONO_ARCH_SOFT_FLOAT
1170 if (cfg->opt & MONO_OPT_SSA) {
1171 if (mono_type_is_float (type))
1172 inst->flags = MONO_INST_VOLATILE;
1176 /* Allocate a dummy MonoInst for the first vreg */
1177 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1178 tree->dreg = inst->dreg + 1;
1179 if (cfg->opt & MONO_OPT_SSA)
1180 tree->flags = MONO_INST_VOLATILE;
1181 tree->inst_c0 = num;
1182 tree->type = STACK_I4;
1183 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1184 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1186 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1188 /* Allocate a dummy MonoInst for the second vreg */
1189 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1190 tree->dreg = inst->dreg + 2;
1191 if (cfg->opt & MONO_OPT_SSA)
1192 tree->flags = MONO_INST_VOLATILE;
1193 tree->inst_c0 = num;
1194 tree->type = STACK_I4;
1195 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1196 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1198 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1202 if (cfg->verbose_level > 2)
1203 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1208 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1212 if (mono_type_is_long (type))
1213 dreg = mono_alloc_dreg (cfg, STACK_I8);
1214 #ifdef MONO_ARCH_SOFT_FLOAT
1215 else if (mono_type_is_float (type))
1216 dreg = mono_alloc_dreg (cfg, STACK_R8);
1219 /* All the others are unified */
1220 dreg = mono_alloc_preg (cfg);
1222 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1226 * Transform a MonoInst into a load from the variable of index var_index.
1229 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1230 memset (dest, 0, sizeof (MonoInst));
1231 dest->inst_i0 = cfg->varinfo [var_index];
1232 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1233 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1234 dest->klass = dest->inst_i0->klass;
1240 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1242 if (vreg >= cfg->vreg_is_ref_len) {
1243 gboolean *tmp = cfg->vreg_is_ref;
1244 int size = cfg->vreg_is_ref_len;
1246 while (vreg >= cfg->vreg_is_ref_len)
1247 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1248 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1250 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1252 cfg->vreg_is_ref [vreg] = TRUE;
1256 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1258 if (vreg >= cfg->vreg_is_mp_len) {
1259 gboolean *tmp = cfg->vreg_is_mp;
1260 int size = cfg->vreg_is_mp_len;
1262 while (vreg >= cfg->vreg_is_mp_len)
1263 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1264 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1266 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1268 cfg->vreg_is_mp [vreg] = TRUE;
1272 type_from_stack_type (MonoInst *ins) {
1273 switch (ins->type) {
1274 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1275 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1276 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1277 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1280 * this if used to be commented without any specific reason, but
1281 * it breaks #80235 when commented
1284 return &ins->klass->this_arg;
1286 return &mono_defaults.object_class->this_arg;
1288 /* ins->klass may not be set for ldnull.
1289 * Also, if we have a boxed valuetype, we want an object lass,
1290 * not the valuetype class
1292 if (ins->klass && !ins->klass->valuetype)
1293 return &ins->klass->byval_arg;
1294 return &mono_defaults.object_class->byval_arg;
1295 case STACK_VTYPE: return &ins->klass->byval_arg;
1297 g_error ("stack type %d to montype not handled\n", ins->type);
1303 mono_type_from_stack_type (MonoInst *ins) {
1304 return type_from_stack_type (ins);
1308 * mono_add_ins_to_end:
1310 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1313 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1318 MONO_ADD_INS (bb, inst);
1322 switch (bb->last_ins->opcode) {
1336 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1339 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1340 /* Need to insert the ins before the compare */
1341 if (bb->code == bb->last_ins) {
1342 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1346 if (bb->code->next == bb->last_ins) {
1347 /* Only two instructions */
1348 opcode = bb->code->opcode;
1350 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)) {
1352 mono_bblock_insert_before_ins (bb, bb->code, inst);
1354 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1357 opcode = bb->last_ins->prev->opcode;
1359 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)) {
1361 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1363 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1368 MONO_ADD_INS (bb, inst);
1374 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1376 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1377 MonoJumpInfoBBTable *table;
1379 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1381 table->table_size = num_blocks;
1383 ji->ip.label = label;
1384 ji->type = MONO_PATCH_INFO_SWITCH;
1385 ji->data.table = table;
1386 ji->next = cfg->patch_info;
1387 cfg->patch_info = ji;
1390 static MonoMethodSignature *
1391 mono_get_array_new_va_signature (int arity)
1393 static GHashTable *sighash = NULL;
1394 MonoMethodSignature *res;
1399 sighash = g_hash_table_new (NULL, NULL);
1401 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1406 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1409 #ifdef MONO_ARCH_VARARG_ICALLS
1410 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1411 res->call_convention = MONO_CALL_VARARG;
1415 res->call_convention = MONO_CALL_C;
1418 res->params [0] = &mono_defaults.int_class->byval_arg;
1419 for (i = 0; i < arity; i++)
1420 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1422 res->ret = &mono_defaults.object_class->byval_arg;
1424 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1431 mono_get_array_new_va_icall (int rank)
1433 MonoMethodSignature *esig;
1434 char icall_name [256];
1436 MonoJitICallInfo *info;
1438 /* Need to register the icall so it gets an icall wrapper */
1439 sprintf (icall_name, "ves_array_new_va_%d", rank);
1442 info = mono_find_jit_icall_by_name (icall_name);
1444 esig = mono_get_array_new_va_signature (rank);
1445 name = g_strdup (icall_name);
1446 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1448 g_hash_table_insert (jit_icall_name_hash, name, name);
1456 mini_class_is_system_array (MonoClass *klass)
1458 if (klass->parent == mono_defaults.array_class)
1465 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1467 MonoAssembly *assembly = method->klass->image->assembly;
1468 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1470 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1472 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1474 return mono_assembly_has_skip_verification (assembly);
1478 * mini_method_verify:
1480 * Verify the method using the new verfier.
1482 * Returns true if the method is invalid.
1485 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1488 gboolean is_fulltrust;
1489 MonoLoaderError *error;
1491 if (method->verification_success)
1494 if (!mono_verifier_is_enabled_for_method (method))
1497 /*skip verification implies the assembly must be */
1498 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1500 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1502 if ((error = mono_loader_get_last_error ())) {
1504 cfg->exception_type = error->exception_type;
1506 mono_loader_clear_error ();
1508 mono_free_verify_list (res);
1513 for (tmp = res; tmp; tmp = tmp->next) {
1514 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1515 if (info->info.status == MONO_VERIFY_ERROR) {
1517 char *method_name = mono_method_full_name (method, TRUE);
1518 cfg->exception_type = info->exception_type;
1519 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1520 g_free (method_name);
1522 mono_free_verify_list (res);
1525 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1527 char *method_name = mono_method_full_name (method, TRUE);
1528 cfg->exception_type = info->exception_type;
1529 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1530 g_free (method_name);
1532 mono_free_verify_list (res);
1536 mono_free_verify_list (res);
1538 method->verification_success = 1;
1542 /*Returns true if something went wrong*/
1544 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1546 MonoMethod *method_definition = method;
1547 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1549 while (method_definition->is_inflated) {
1550 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1551 method_definition = imethod->declaring;
1554 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1557 static gconstpointer
1558 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1561 MonoMethod *wrapper;
1562 gconstpointer trampoline;
1563 MonoDomain *domain = mono_get_root_domain ();
1565 if (callinfo->wrapper) {
1566 return callinfo->wrapper;
1569 if (callinfo->trampoline)
1570 return callinfo->trampoline;
1573 * We use the lock on the root domain instead of the JIT lock to protect
1574 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1576 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1577 mono_domain_lock (domain);
1579 if (callinfo->trampoline) {
1580 mono_domain_unlock (domain);
1581 mono_loader_unlock ();
1582 return callinfo->trampoline;
1585 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1586 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1590 trampoline = mono_compile_method (wrapper);
1592 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1593 mono_register_jit_icall_wrapper (callinfo, trampoline);
1595 callinfo->trampoline = trampoline;
1597 mono_domain_unlock (domain);
1598 mono_loader_unlock ();
1600 return callinfo->trampoline;
1604 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1606 return mono_icall_get_wrapper_full (callinfo, FALSE);
1610 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1612 if (!domain_jit_info (domain)->dynamic_code_hash)
1613 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1614 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1617 static MonoJitDynamicMethodInfo*
1618 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1620 MonoJitDynamicMethodInfo *res;
1622 if (domain_jit_info (domain)->dynamic_code_hash)
1623 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1631 GList *active, *inactive;
1636 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1638 MonoMethodVar *v1 = (MonoMethodVar*)a;
1639 MonoMethodVar *v2 = (MonoMethodVar*)b;
1643 else if (v1->interval->range && v2->interval->range)
1644 return v1->interval->range->from - v2->interval->range->from;
1645 else if (v1->interval->range)
1654 #define LSCAN_DEBUG(a) do { a; } while (0)
1656 #define LSCAN_DEBUG(a)
1660 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1662 int i, slot, offset, size;
1667 GList *vars = NULL, *l, *unhandled;
1668 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1671 gboolean reuse_slot;
1673 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1675 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1676 vtype_stack_slots = NULL;
1679 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1680 for (i = 0; i < cfg->num_varinfo; ++i)
1683 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1684 inst = cfg->varinfo [i];
1685 vmv = MONO_VARINFO (cfg, i);
1687 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1690 vars = g_list_prepend (vars, vmv);
1693 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1698 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1699 MonoMethodVar *current = unhandled->data;
1701 if (current->interval->range) {
1702 g_assert (current->interval->range->from >= i);
1703 i = current->interval->range->from;
1710 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1711 MonoMethodVar *current = unhandled->data;
1714 inst = cfg->varinfo [vmv->idx];
1716 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1717 * pinvoke wrappers when they call functions returning structures */
1718 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1719 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1724 size = mono_type_size (inst->inst_vtype, &ialign);
1727 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1732 if (cfg->disable_reuse_stack_slots)
1735 t = mono_type_get_underlying_type (inst->inst_vtype);
1737 case MONO_TYPE_GENERICINST:
1738 if (!mono_type_generic_inst_is_valuetype (t)) {
1739 slot_info = &scalar_stack_slots [t->type];
1743 case MONO_TYPE_VALUETYPE:
1744 if (!vtype_stack_slots)
1745 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1746 for (i = 0; i < nvtypes; ++i)
1747 if (t->data.klass == vtype_stack_slots [i].vtype)
1750 slot_info = &vtype_stack_slots [i];
1752 g_assert (nvtypes < 256);
1753 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1754 slot_info = &vtype_stack_slots [nvtypes];
1757 if (cfg->disable_reuse_ref_stack_slots)
1764 #if SIZEOF_VOID_P == 4
1769 if (cfg->disable_ref_noref_stack_slot_share) {
1770 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1775 case MONO_TYPE_CLASS:
1776 case MONO_TYPE_OBJECT:
1777 case MONO_TYPE_ARRAY:
1778 case MONO_TYPE_SZARRAY:
1779 case MONO_TYPE_STRING:
1780 /* Share non-float stack slots of the same size */
1781 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1782 if (cfg->disable_reuse_ref_stack_slots)
1787 slot_info = &scalar_stack_slots [t->type];
1791 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1795 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1797 if (!current->interval->range) {
1798 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1802 inst->flags |= MONO_INST_IS_DEAD;
1807 pos = current->interval->range->from;
1809 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1810 if (current->interval->range)
1811 LSCAN_DEBUG (mono_linterval_print (current->interval));
1812 LSCAN_DEBUG (printf ("\n"));
1814 /* Check for intervals in active which expired or inactive */
1816 /* FIXME: Optimize this */
1819 for (l = slot_info->active; l != NULL; l = l->next) {
1820 MonoMethodVar *v = (MonoMethodVar*)l->data;
1822 if (v->interval->last_range->to < pos) {
1823 slot_info->active = g_list_delete_link (slot_info->active, l);
1824 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1825 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1829 else if (!mono_linterval_covers (v->interval, pos)) {
1830 slot_info->inactive = g_list_append (slot_info->inactive, v);
1831 slot_info->active = g_list_delete_link (slot_info->active, l);
1832 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1839 /* Check for intervals in inactive which expired or active */
1841 /* FIXME: Optimize this */
1844 for (l = slot_info->inactive; l != NULL; l = l->next) {
1845 MonoMethodVar *v = (MonoMethodVar*)l->data;
1847 if (v->interval->last_range->to < pos) {
1848 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1849 // FIXME: Enabling this seems to cause impossible to debug crashes
1850 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1851 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1855 else if (mono_linterval_covers (v->interval, pos)) {
1856 slot_info->active = g_list_append (slot_info->active, v);
1857 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1858 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1866 * This also handles the case when the variable is used in an
1867 * exception region, as liveness info is not computed there.
1870 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1873 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1874 if (slot_info->slots) {
1875 slot = GPOINTER_TO_INT (slot_info->slots->data);
1877 slot_info->slots = slot_info->slots->next;
1880 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1882 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1888 static int count = 0;
1891 if (count == atoi (getenv ("COUNT3")))
1892 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1893 if (count > atoi (getenv ("COUNT3")))
1896 mono_print_ins (inst);
1901 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1903 if (inst->flags & MONO_INST_LMF) {
1904 size = sizeof (MonoLMF);
1905 align = sizeof (mgreg_t);
1912 if (slot == 0xffffff) {
1914 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1915 * efficient copying (and to work around the fact that OP_MEMCPY
1916 * and OP_MEMSET ignores alignment).
1918 if (MONO_TYPE_ISSTRUCT (t)) {
1919 align = MAX (align, sizeof (gpointer));
1920 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1925 offset += align - 1;
1926 offset &= ~(align - 1);
1930 offset += align - 1;
1931 offset &= ~(align - 1);
1936 if (*stack_align == 0)
1937 *stack_align = align;
1940 offsets [vmv->idx] = slot;
1943 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1944 if (scalar_stack_slots [i].active)
1945 g_list_free (scalar_stack_slots [i].active);
1947 for (i = 0; i < nvtypes; ++i) {
1948 if (vtype_stack_slots [i].active)
1949 g_list_free (vtype_stack_slots [i].active);
1952 cfg->stat_locals_stack_size += offset;
1954 *stack_size = offset;
1959 * mono_allocate_stack_slots:
1961 * Allocate stack slots for all non register allocated variables using a
1962 * linear scan algorithm.
1963 * Returns: an array of stack offsets.
1964 * STACK_SIZE is set to the amount of stack space needed.
1965 * STACK_ALIGN is set to the alignment needed by the locals area.
1968 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1970 int i, slot, offset, size;
1975 GList *vars = NULL, *l;
1976 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1979 gboolean reuse_slot;
1981 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1982 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
1984 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1985 vtype_stack_slots = NULL;
1988 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1989 for (i = 0; i < cfg->num_varinfo; ++i)
1992 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1993 inst = cfg->varinfo [i];
1994 vmv = MONO_VARINFO (cfg, i);
1996 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1999 vars = g_list_prepend (vars, vmv);
2002 vars = mono_varlist_sort (cfg, vars, 0);
2004 *stack_align = sizeof(mgreg_t);
2005 for (l = vars; l; l = l->next) {
2007 inst = cfg->varinfo [vmv->idx];
2009 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2010 * pinvoke wrappers when they call functions returning structures */
2011 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
2012 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
2016 size = mono_type_size (inst->inst_vtype, &ialign);
2019 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
2024 if (cfg->disable_reuse_stack_slots)
2027 t = mono_type_get_underlying_type (inst->inst_vtype);
2029 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2032 case MONO_TYPE_GENERICINST:
2033 if (!mono_type_generic_inst_is_valuetype (t)) {
2034 slot_info = &scalar_stack_slots [t->type];
2038 case MONO_TYPE_VALUETYPE:
2039 if (!vtype_stack_slots)
2040 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2041 for (i = 0; i < nvtypes; ++i)
2042 if (t->data.klass == vtype_stack_slots [i].vtype)
2045 slot_info = &vtype_stack_slots [i];
2047 g_assert (nvtypes < 256);
2048 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2049 slot_info = &vtype_stack_slots [nvtypes];
2052 if (cfg->disable_reuse_ref_stack_slots)
2059 #if SIZEOF_VOID_P == 4
2064 if (cfg->disable_ref_noref_stack_slot_share) {
2065 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2070 case MONO_TYPE_CLASS:
2071 case MONO_TYPE_OBJECT:
2072 case MONO_TYPE_ARRAY:
2073 case MONO_TYPE_SZARRAY:
2074 case MONO_TYPE_STRING:
2075 /* Share non-float stack slots of the same size */
2076 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2077 if (cfg->disable_reuse_ref_stack_slots)
2082 slot_info = &scalar_stack_slots [t->type];
2087 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2088 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2090 /* expire old intervals in active */
2091 while (slot_info->active) {
2092 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2094 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2097 //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);
2099 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2100 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2104 * This also handles the case when the variable is used in an
2105 * exception region, as liveness info is not computed there.
2108 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2111 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2112 if (slot_info->slots) {
2113 slot = GPOINTER_TO_INT (slot_info->slots->data);
2115 slot_info->slots = slot_info->slots->next;
2118 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2123 static int count = 0;
2127 if (count == atoi (getenv ("COUNT")))
2128 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2129 if (count > atoi (getenv ("COUNT")))
2132 mono_print_ins (inst);
2137 if (inst->flags & MONO_INST_LMF) {
2139 * This variable represents a MonoLMF structure, which has no corresponding
2140 * CLR type, so hard-code its size/alignment.
2142 size = sizeof (MonoLMF);
2143 align = sizeof (mgreg_t);
2150 if (slot == 0xffffff) {
2152 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2153 * efficient copying (and to work around the fact that OP_MEMCPY
2154 * and OP_MEMSET ignores alignment).
2156 if (MONO_TYPE_ISSTRUCT (t)) {
2157 align = MAX (align, sizeof (gpointer));
2158 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2160 * Align the size too so the code generated for passing vtypes in
2161 * registers doesn't overwrite random locals.
2163 size = (size + (align - 1)) & ~(align -1);
2168 offset += align - 1;
2169 offset &= ~(align - 1);
2173 offset += align - 1;
2174 offset &= ~(align - 1);
2179 *stack_align = MAX (*stack_align, align);
2182 offsets [vmv->idx] = slot;
2185 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2186 if (scalar_stack_slots [i].active)
2187 g_list_free (scalar_stack_slots [i].active);
2189 for (i = 0; i < nvtypes; ++i) {
2190 if (vtype_stack_slots [i].active)
2191 g_list_free (vtype_stack_slots [i].active);
2194 cfg->stat_locals_stack_size += offset;
2196 *stack_size = offset;
2203 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2205 g_assert_not_reached ();
2209 #endif /* DISABLE_JIT */
2211 #define EMUL_HIT_SHIFT 3
2212 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2213 /* small hit bitmap cache */
2214 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2215 static short emul_opcode_num = 0;
2216 static short emul_opcode_alloced = 0;
2217 static short *emul_opcode_opcodes = NULL;
2218 static MonoJitICallInfo **emul_opcode_map = NULL;
2221 mono_find_jit_opcode_emulation (int opcode)
2223 g_assert (opcode >= 0 && opcode <= OP_LAST);
2224 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2226 for (i = 0; i < emul_opcode_num; ++i) {
2227 if (emul_opcode_opcodes [i] == opcode)
2228 return emul_opcode_map [i];
2235 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
2237 MonoJitICallInfo *info;
2238 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2240 g_assert (!sig->hasthis);
2241 g_assert (sig->param_count < 3);
2243 info = mono_register_jit_icall (func, name, sig, no_throw);
2245 if (emul_opcode_num >= emul_opcode_alloced) {
2246 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2247 emul_opcode_alloced += incr;
2248 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2249 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2251 emul_opcode_map [emul_opcode_num] = info;
2252 emul_opcode_opcodes [emul_opcode_num] = opcode;
2254 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2258 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2260 MonoMethodSignature *sig;
2263 sig = mono_create_icall_signature (sigstr);
2267 mono_register_jit_icall (func, name, sig, save);
2271 print_dfn (MonoCompile *cfg) {
2278 char *method_name = mono_method_full_name (cfg->method, TRUE);
2279 g_print ("IR code for method %s\n", method_name);
2280 g_free (method_name);
2283 for (i = 0; i < cfg->num_bblocks; ++i) {
2284 bb = cfg->bblocks [i];
2285 /*if (bb->cil_code) {
2286 char* code1, *code2;
2287 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2288 if (bb->last_ins->cil_code)
2289 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2291 code2 = g_strdup ("");
2293 code1 [strlen (code1) - 1] = 0;
2294 code = g_strdup_printf ("%s -> %s", code1, code2);
2298 code = g_strdup ("\n");
2299 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2300 MONO_BB_FOR_EACH_INS (bb, c) {
2301 mono_print_ins_index (-1, c);
2304 g_print ("\tprev:");
2305 for (j = 0; j < bb->in_count; ++j) {
2306 g_print (" BB%d", bb->in_bb [j]->block_num);
2308 g_print ("\t\tsucc:");
2309 for (j = 0; j < bb->out_count; ++j) {
2310 g_print (" BB%d", bb->out_bb [j]->block_num);
2312 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2315 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2318 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2320 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2328 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2330 MONO_ADD_INS (bb, inst);
2334 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2338 bb->code = ins_to_insert;
2340 /* Link with next */
2341 ins_to_insert->next = ins;
2343 ins->prev = ins_to_insert;
2345 if (bb->last_ins == NULL)
2346 bb->last_ins = ins_to_insert;
2348 /* Link with next */
2349 ins_to_insert->next = ins->next;
2351 ins->next->prev = ins_to_insert;
2353 /* Link with previous */
2354 ins->next = ins_to_insert;
2355 ins_to_insert->prev = ins;
2357 if (bb->last_ins == ins)
2358 bb->last_ins = ins_to_insert;
2363 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2368 ins->prev = ins_to_insert;
2369 bb->code = ins_to_insert;
2370 ins_to_insert->next = ins;
2371 if (bb->last_ins == NULL)
2372 bb->last_ins = ins_to_insert;
2374 /* Link with previous */
2376 ins->prev->next = ins_to_insert;
2377 ins_to_insert->prev = ins->prev;
2379 /* Link with next */
2380 ins->prev = ins_to_insert;
2381 ins_to_insert->next = ins;
2383 if (bb->code == ins)
2384 bb->code = ins_to_insert;
2389 * mono_verify_bblock:
2391 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2394 mono_verify_bblock (MonoBasicBlock *bb)
2396 MonoInst *ins, *prev;
2399 for (ins = bb->code; ins; ins = ins->next) {
2400 g_assert (ins->prev == prev);
2404 g_assert (!bb->last_ins->next);
2410 * Perform consistency checks on the JIT data structures and the IR
2413 mono_verify_cfg (MonoCompile *cfg)
2417 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2418 mono_verify_bblock (bb);
2422 mono_destroy_compile (MonoCompile *cfg)
2427 mono_metadata_free_mh (cfg->header);
2428 //mono_mempool_stats (cfg->mempool);
2429 mono_free_loop_info (cfg);
2431 mono_regstate_free (cfg->rs);
2433 g_hash_table_destroy (cfg->spvars);
2435 g_hash_table_destroy (cfg->exvars);
2436 for (l = cfg->headers_to_free; l; l = l->next)
2437 mono_metadata_free_mh (l->data);
2438 g_list_free (cfg->ldstr_list);
2439 g_hash_table_destroy (cfg->token_info_hash);
2440 if (cfg->abs_patches)
2441 g_hash_table_destroy (cfg->abs_patches);
2442 mono_mempool_destroy (cfg->mempool);
2444 mono_debug_free_method (cfg);
2446 g_free (cfg->varinfo);
2448 g_free (cfg->exception_message);
2452 #ifdef MONO_HAVE_FAST_TLS
2453 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2454 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2456 * When this is defined, the current lmf is stored in this tls variable instead of in
2459 MONO_FAST_TLS_DECLARE(mono_lmf);
2464 mono_get_jit_tls_key (void)
2466 return mono_jit_tls_id;
2470 mono_get_jit_tls_offset (void)
2473 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2478 mono_get_lmf_tls_offset (void)
2480 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2482 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2490 mono_get_lmf_addr_tls_offset (void)
2493 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2500 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2501 return MONO_FAST_TLS_GET (mono_lmf);
2503 MonoJitTlsData *jit_tls;
2505 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2506 return jit_tls->lmf;
2508 * We do not assert here because this function can be called from
2509 * mini-gc.c on a thread that has not executed any managed code, yet
2510 * (the thread object allocation can trigger a collection).
2517 mono_get_lmf_addr (void)
2519 #ifdef MONO_HAVE_FAST_TLS
2520 return MONO_FAST_TLS_GET (mono_lmf_addr);
2522 MonoJitTlsData *jit_tls;
2524 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2525 return &jit_tls->lmf;
2528 * When resolving the call to mono_jit_thread_attach full-aot will look
2529 * in the plt, which causes a call into the generic trampoline, which in turn
2530 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2531 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2532 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2535 mono_jit_thread_attach (NULL);
2537 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2538 return &jit_tls->lmf;
2540 g_assert_not_reached ();
2546 mono_set_lmf (MonoLMF *lmf)
2548 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2549 MONO_FAST_TLS_SET (mono_lmf, lmf);
2552 (*mono_get_lmf_addr ()) = lmf;
2556 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2558 TlsSetValue (mono_jit_tls_id, jit_tls);
2560 #ifdef MONO_HAVE_FAST_TLS
2561 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2566 mono_set_lmf_addr (gpointer lmf_addr)
2568 #ifdef MONO_HAVE_FAST_TLS
2569 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2573 /* Called by native->managed wrappers */
2575 mono_jit_thread_attach (MonoDomain *domain)
2579 * Happens when called from AOTed code which is only used in the root
2582 domain = mono_get_root_domain ();
2584 #ifdef MONO_HAVE_FAST_TLS
2585 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2586 mono_thread_attach (domain);
2588 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2591 if (!TlsGetValue (mono_jit_tls_id)) {
2592 mono_thread_attach (domain);
2593 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2596 if (mono_domain_get () != domain)
2597 mono_domain_set (domain, TRUE);
2601 * mono_thread_abort:
2602 * @obj: exception object
2604 * abort the thread, print exception information and stack trace
2607 mono_thread_abort (MonoObject *obj)
2609 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2611 /* handle_remove should be eventually called for this thread, too
2614 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2615 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2616 mono_thread_exit ();
2618 exit (mono_environment_exitcode_get ());
2623 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2625 MonoJitTlsData *jit_tls;
2628 jit_tls = TlsGetValue (mono_jit_tls_id);
2632 jit_tls = g_new0 (MonoJitTlsData, 1);
2634 jit_tls->abort_func = abort_func;
2635 jit_tls->end_of_stack = stack_start;
2637 mono_set_jit_tls (jit_tls);
2639 lmf = g_new0 (MonoLMF, 1);
2640 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2642 jit_tls->first_lmf = lmf;
2644 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2645 /* jit_tls->lmf is unused */
2646 MONO_FAST_TLS_SET (mono_lmf, lmf);
2647 mono_set_lmf_addr (&mono_lmf);
2649 mono_set_lmf_addr (&jit_tls->lmf);
2654 mono_arch_setup_jit_tls_data (jit_tls);
2655 mono_setup_altstack (jit_tls);
2661 free_jit_tls_data (MonoJitTlsData *jit_tls)
2663 mono_arch_free_jit_tls_data (jit_tls);
2664 mono_free_altstack (jit_tls);
2666 g_free (jit_tls->first_lmf);
2671 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2673 MonoInternalThread *thread;
2674 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2675 thread = mono_thread_internal_current ();
2676 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2678 thread->jit_data = jit_tls;
2680 mono_arch_cpu_init ();
2683 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2686 mono_thread_abort_dummy (MonoObject *obj)
2688 if (mono_thread_attach_aborted_cb)
2689 mono_thread_attach_aborted_cb (obj);
2691 mono_thread_abort (obj);
2695 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2697 MonoInternalThread *thread;
2698 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2699 thread = mono_thread_internal_current ();
2700 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2702 thread->jit_data = jit_tls;
2703 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2704 mono_runtime_setup_stat_profiler ();
2706 mono_arch_cpu_init ();
2710 mini_thread_cleanup (MonoInternalThread *thread)
2712 MonoJitTlsData *jit_tls = thread->jit_data;
2715 mono_debugger_thread_cleanup (jit_tls);
2717 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2718 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2719 * not a trivial thing.
2721 * The current offender is mono_thread_manage which cleanup threads from the outside.
2723 if (thread == mono_thread_internal_current ()) {
2724 mono_set_lmf (NULL);
2725 mono_set_jit_tls (NULL);
2726 mono_set_lmf_addr (NULL);
2729 free_jit_tls_data (jit_tls);
2731 thread->jit_data = NULL;
2736 mono_create_tls_get (MonoCompile *cfg, int offset)
2738 #ifdef MONO_ARCH_HAVE_TLS_GET
2739 if (MONO_ARCH_HAVE_TLS_GET) {
2745 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2746 ins->dreg = mono_alloc_preg (cfg);
2747 ins->inst_offset = offset;
2755 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2757 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2761 mono_get_domain_intrinsic (MonoCompile* cfg)
2763 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2767 mono_get_thread_intrinsic (MonoCompile* cfg)
2769 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2773 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2775 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2779 ji->data.target = target;
2780 ji->next = cfg->patch_info;
2782 cfg->patch_info = ji;
2786 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2788 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2792 ji->data.target = target;
2799 mono_remove_patch_info (MonoCompile *cfg, int ip)
2801 MonoJumpInfo **ji = &cfg->patch_info;
2804 if ((*ji)->ip.i == ip)
2807 ji = &((*ji)->next);
2812 * mono_patch_info_dup_mp:
2814 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2817 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2819 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2820 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2822 switch (patch_info->type) {
2823 case MONO_PATCH_INFO_RVA:
2824 case MONO_PATCH_INFO_LDSTR:
2825 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2826 case MONO_PATCH_INFO_LDTOKEN:
2827 case MONO_PATCH_INFO_DECLSEC:
2828 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2829 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2831 case MONO_PATCH_INFO_SWITCH:
2832 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2833 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2834 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2835 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2837 case MONO_PATCH_INFO_RGCTX_FETCH:
2838 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2839 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2840 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2850 mono_patch_info_hash (gconstpointer data)
2852 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2855 case MONO_PATCH_INFO_RVA:
2856 case MONO_PATCH_INFO_LDSTR:
2857 case MONO_PATCH_INFO_LDTOKEN:
2858 case MONO_PATCH_INFO_DECLSEC:
2859 return (ji->type << 8) | ji->data.token->token;
2860 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2861 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
2862 case MONO_PATCH_INFO_INTERNAL_METHOD:
2863 return (ji->type << 8) | g_str_hash (ji->data.name);
2864 case MONO_PATCH_INFO_VTABLE:
2865 case MONO_PATCH_INFO_CLASS:
2866 case MONO_PATCH_INFO_IID:
2867 case MONO_PATCH_INFO_ADJUSTED_IID:
2868 case MONO_PATCH_INFO_CLASS_INIT:
2869 case MONO_PATCH_INFO_METHODCONST:
2870 case MONO_PATCH_INFO_METHOD:
2871 case MONO_PATCH_INFO_METHOD_JUMP:
2872 case MONO_PATCH_INFO_IMAGE:
2873 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2874 case MONO_PATCH_INFO_FIELD:
2875 case MONO_PATCH_INFO_SFLDA:
2876 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2877 return (ji->type << 8) | (gssize)ji->data.target;
2879 return (ji->type << 8);
2884 * mono_patch_info_equal:
2886 * This might fail to recognize equivalent patches, i.e. floats, so its only
2887 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2891 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2893 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2894 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2896 if (ji1->type != ji2->type)
2899 switch (ji1->type) {
2900 case MONO_PATCH_INFO_RVA:
2901 case MONO_PATCH_INFO_LDSTR:
2902 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2903 case MONO_PATCH_INFO_LDTOKEN:
2904 case MONO_PATCH_INFO_DECLSEC:
2905 if ((ji1->data.token->image != ji2->data.token->image) ||
2906 (ji1->data.token->token != ji2->data.token->token) ||
2907 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2908 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2909 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2912 case MONO_PATCH_INFO_INTERNAL_METHOD:
2913 return g_str_equal (ji1->data.name, ji2->data.name);
2915 case MONO_PATCH_INFO_RGCTX_FETCH: {
2916 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2917 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2919 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);
2922 if (ji1->data.target != ji2->data.target)
2931 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2933 unsigned char *ip = patch_info->ip.i + code;
2934 gconstpointer target = NULL;
2936 switch (patch_info->type) {
2937 case MONO_PATCH_INFO_BB:
2939 * FIXME: This could be hit for methods without a prolog. Should use -1
2940 * but too much code depends on a 0 initial value.
2942 //g_assert (patch_info->data.bb->native_offset);
2943 target = patch_info->data.bb->native_offset + code;
2945 case MONO_PATCH_INFO_ABS:
2946 target = patch_info->data.target;
2948 case MONO_PATCH_INFO_LABEL:
2949 target = patch_info->data.inst->inst_c0 + code;
2951 case MONO_PATCH_INFO_IP:
2952 #if defined(__native_client__) && defined(__native_client_codegen__)
2953 /* Need to transform to the destination address, it's */
2954 /* emitted as an immediate in the code. */
2955 target = nacl_inverse_modify_patch_target(ip);
2960 case MONO_PATCH_INFO_METHOD_REL:
2961 target = code + patch_info->data.offset;
2963 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2964 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2966 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2967 g_assert_not_reached ();
2969 target = mono_icall_get_wrapper (mi);
2972 case MONO_PATCH_INFO_METHOD_JUMP:
2973 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2974 #if defined(__native_client__) && defined(__native_client_codegen__)
2975 #if defined(TARGET_AMD64)
2976 /* This target is an absolute address, not relative to the */
2977 /* current code being emitted on AMD64. */
2978 target = nacl_inverse_modify_patch_target(target);
2982 case MONO_PATCH_INFO_METHOD:
2983 if (patch_info->data.method == method) {
2986 /* get the trampoline to the method from the domain */
2987 target = mono_create_jit_trampoline (patch_info->data.method);
2990 case MONO_PATCH_INFO_SWITCH: {
2991 gpointer *jump_table;
2994 #if defined(__native_client__) && defined(__native_client_codegen__)
2995 /* This memory will leak, but we don't care if we're */
2996 /* not deleting JIT'd methods anyway */
2997 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
2999 if (method && method->dynamic) {
3000 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3002 if (mono_aot_only) {
3003 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3005 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3010 for (i = 0; i < patch_info->data.table->table_size; i++) {
3011 #if defined(__native_client__) && defined(__native_client_codegen__)
3012 /* 'code' is relative to the current code blob, we */
3013 /* need to do this transform on it to make the */
3014 /* pointers in this table absolute */
3015 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3017 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3021 #if defined(__native_client__) && defined(__native_client_codegen__)
3022 /* jump_table is in the data section, we need to transform */
3023 /* it here so when it gets modified in amd64_patch it will */
3024 /* then point back to the absolute data address */
3025 target = nacl_inverse_modify_patch_target (jump_table);
3027 target = jump_table;
3031 case MONO_PATCH_INFO_METHODCONST:
3032 case MONO_PATCH_INFO_CLASS:
3033 case MONO_PATCH_INFO_IMAGE:
3034 case MONO_PATCH_INFO_FIELD:
3035 target = patch_info->data.target;
3037 case MONO_PATCH_INFO_IID:
3038 mono_class_init (patch_info->data.klass);
3039 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3041 case MONO_PATCH_INFO_ADJUSTED_IID:
3042 mono_class_init (patch_info->data.klass);
3043 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3045 case MONO_PATCH_INFO_VTABLE:
3046 target = mono_class_vtable (domain, patch_info->data.klass);
3049 case MONO_PATCH_INFO_CLASS_INIT: {
3050 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3053 target = mono_create_class_init_trampoline (vtable);
3056 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3057 target = mono_create_delegate_trampoline (patch_info->data.klass);
3059 case MONO_PATCH_INFO_SFLDA: {
3060 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3062 if (mono_class_field_is_special_static (patch_info->data.field)) {
3063 gpointer addr = NULL;
3065 mono_domain_lock (domain);
3066 if (domain->special_static_fields)
3067 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3068 mono_domain_unlock (domain);
3074 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3075 /* Done by the generated code */
3079 mono_runtime_class_init (vtable);
3081 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3084 case MONO_PATCH_INFO_RVA: {
3085 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3088 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3089 target = mono_image_rva_map (patch_info->data.token->image, rva);
3092 case MONO_PATCH_INFO_R4:
3093 case MONO_PATCH_INFO_R8:
3094 target = patch_info->data.target;
3096 case MONO_PATCH_INFO_EXC_NAME:
3097 target = patch_info->data.name;
3099 case MONO_PATCH_INFO_LDSTR:
3101 mono_ldstr (domain, patch_info->data.token->image,
3102 mono_metadata_token_index (patch_info->data.token->token));
3104 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3106 MonoClass *handle_class;
3108 handle = mono_ldtoken (patch_info->data.token->image,
3109 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3110 mono_class_init (handle_class);
3111 mono_class_init (mono_class_from_mono_type (handle));
3114 mono_type_get_object (domain, handle);
3117 case MONO_PATCH_INFO_LDTOKEN: {
3119 MonoClass *handle_class;
3121 handle = mono_ldtoken (patch_info->data.token->image,
3122 patch_info->data.token->token, &handle_class, NULL);
3123 mono_class_init (handle_class);
3128 case MONO_PATCH_INFO_DECLSEC:
3129 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3131 case MONO_PATCH_INFO_ICALL_ADDR:
3132 /* run_cctors == 0 -> AOT */
3133 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3135 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
3137 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));
3142 target = mono_lookup_internal_call (patch_info->data.method);
3144 if (!target && run_cctors)
3145 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3148 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3149 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3151 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3152 g_assert_not_reached ();
3157 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3158 target = mono_thread_interruption_request_flag ();
3160 case MONO_PATCH_INFO_METHOD_RGCTX: {
3161 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3164 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3167 case MONO_PATCH_INFO_BB_OVF:
3168 case MONO_PATCH_INFO_EXC_OVF:
3169 case MONO_PATCH_INFO_GOT_OFFSET:
3170 case MONO_PATCH_INFO_NONE:
3172 case MONO_PATCH_INFO_RGCTX_FETCH: {
3173 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3176 switch (entry->data->type) {
3177 case MONO_PATCH_INFO_CLASS:
3178 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));
3180 case MONO_PATCH_INFO_METHOD:
3181 case MONO_PATCH_INFO_METHODCONST:
3182 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));
3184 case MONO_PATCH_INFO_FIELD:
3185 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));
3188 g_assert_not_reached ();
3192 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3195 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3196 target = mono_create_generic_class_init_trampoline ();
3198 case MONO_PATCH_INFO_MONITOR_ENTER:
3199 target = mono_create_monitor_enter_trampoline ();
3201 case MONO_PATCH_INFO_MONITOR_EXIT:
3202 target = mono_create_monitor_exit_trampoline ();
3204 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3205 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3207 /* AOT, not needed */
3210 target = mono_arch_get_seq_point_info (domain, code);
3213 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3214 #ifdef MONO_ARCH_LLVM_SUPPORTED
3215 g_assert (mono_use_llvm);
3216 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3218 g_assert_not_reached ();
3221 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3222 int card_table_shift_bits;
3223 gpointer card_table_mask;
3225 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3228 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3229 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3233 g_assert_not_reached ();
3236 return (gpointer)target;
3240 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3242 ins->inst_offset = native_offset;
3243 g_ptr_array_add (cfg->seq_points, ins);
3244 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3245 bb->last_seq_point = ins;
3251 mono_compile_create_vars (MonoCompile *cfg)
3253 MonoMethodSignature *sig;
3254 MonoMethodHeader *header;
3257 header = cfg->header;
3259 sig = mono_method_signature (cfg->method);
3261 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3262 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3263 /* Inhibit optimizations */
3264 cfg->ret->flags |= MONO_INST_VOLATILE;
3266 if (cfg->verbose_level > 2)
3267 g_print ("creating vars\n");
3269 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3272 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3274 for (i = 0; i < sig->param_count; ++i) {
3275 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3278 if (cfg->verbose_level > 2) {
3280 printf ("\treturn : ");
3281 mono_print_ins (cfg->ret);
3285 printf ("\tthis: ");
3286 mono_print_ins (cfg->args [0]);
3289 for (i = 0; i < sig->param_count; ++i) {
3290 printf ("\targ [%d]: ", i);
3291 mono_print_ins (cfg->args [i + sig->hasthis]);
3295 cfg->locals_start = cfg->num_varinfo;
3296 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3298 if (cfg->verbose_level > 2)
3299 g_print ("creating locals\n");
3301 for (i = 0; i < header->num_locals; ++i)
3302 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3304 if (cfg->verbose_level > 2)
3305 g_print ("locals done\n");
3307 mono_arch_create_vars (cfg);
3310 #endif /* #ifndef DISABLE_JIT */
3313 mono_print_code (MonoCompile *cfg, const char* msg)
3317 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3318 mono_print_bb (bb, msg);
3324 mono_postprocess_patches (MonoCompile *cfg)
3326 MonoJumpInfo *patch_info;
3329 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3330 switch (patch_info->type) {
3331 case MONO_PATCH_INFO_ABS: {
3332 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3335 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3339 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3340 // FIXME: CLEAN UP THIS MESS.
3341 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
3342 strstr (cfg->method->name, info->name)) {
3344 * This is an icall wrapper, and this is a call to the
3347 if (cfg->compile_aot) {
3348 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
3349 patch_info->data.name = info->name;
3352 /* for these array methods we currently register the same function pointer
3353 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3354 * will return the incorrect one depending on the order they are registered.
3355 * See tests/test-arr.cs
3357 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3358 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3359 patch_info->data.name = info->name;
3364 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3365 if (cfg->abs_patches) {
3366 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3368 patch_info->type = abs_ji->type;
3369 patch_info->data.target = abs_ji->data.target;
3376 case MONO_PATCH_INFO_SWITCH: {
3378 #if defined(__native_client__) && defined(__native_client_codegen__)
3379 /* This memory will leak. */
3380 /* TODO: can we free this when */
3381 /* making the final jump table? */
3382 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3384 if (cfg->method->dynamic) {
3385 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3387 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3391 for (i = 0; i < patch_info->data.table->table_size; i++) {
3392 /* Might be NULL if the switch is eliminated */
3393 if (patch_info->data.table->table [i]) {
3394 g_assert (patch_info->data.table->table [i]->native_offset);
3395 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3400 patch_info->data.table->table = (MonoBasicBlock**)table;
3403 case MONO_PATCH_INFO_METHOD_JUMP: {
3404 MonoJumpList *jlist;
3405 MonoDomain *domain = cfg->domain;
3406 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3407 #if defined(__native_client__) && defined(__native_client_codegen__)
3408 /* When this jump target gets evaluated, the method */
3409 /* will be installed in the dynamic code section, */
3410 /* not at the location of cfg->native_code. */
3411 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3414 mono_domain_lock (domain);
3415 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3417 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3418 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3420 jlist->list = g_slist_prepend (jlist->list, ip);
3421 mono_domain_unlock (domain);
3432 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3435 MonoBasicBlock *in_bb;
3437 for (i = 0; i < bb->in_count; ++i) {
3438 in_bb = bb->in_bb [i];
3440 if (in_bb->last_seq_point) {
3441 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));
3443 /* Have to look at its predecessors */
3445 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3451 mono_save_seq_point_info (MonoCompile *cfg)
3454 GSList *bb_seq_points, *l;
3456 MonoDomain *domain = cfg->domain;
3458 MonoSeqPointInfo *info;
3461 if (!cfg->seq_points)
3464 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3465 info->len = cfg->seq_points->len;
3466 for (i = 0; i < cfg->seq_points->len; ++i) {
3467 SeqPoint *sp = &info->seq_points [i];
3468 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3470 sp->il_offset = ins->inst_imm;
3471 sp->native_offset = ins->inst_offset;
3474 ins->backend.size = i;
3478 * For each sequence point, compute the list of sequence points immediately
3479 * following it, this is needed to implement 'step over' in the debugger agent.
3481 next = g_new0 (GSList*, cfg->seq_points->len);
3482 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3483 bb_seq_points = g_slist_reverse (bb->seq_points);
3485 for (l = bb_seq_points; l; l = l->next) {
3486 MonoInst *ins = l->data;
3488 if (!(ins->flags & MONO_INST_SINGLE_STEP_LOC))
3492 /* Link with the previous seq point in the same bb */
3493 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3495 /* Link with the last bb in the previous bblocks */
3496 collect_pred_seq_points (bb, ins, next, 0);
3503 if (cfg->verbose_level > 2) {
3504 printf ("\nSEQ POINT MAP: \n");
3507 for (i = 0; i < cfg->seq_points->len; ++i) {
3508 SeqPoint *sp = &info->seq_points [i];
3512 sp->next_len = g_slist_length (next [i]);
3513 sp->next = g_new (int, sp->next_len);
3515 if (cfg->verbose_level > 2 && next [i]) {
3516 printf ("\t0x%x ->", sp->il_offset);
3517 for (l = next [i]; l; l = l->next) {
3518 next_index = GPOINTER_TO_UINT (l->data);
3519 printf (" 0x%x", info->seq_points [next_index].il_offset);
3523 for (l = next [i]; l; l = l->next) {
3524 next_index = GPOINTER_TO_UINT (l->data);
3525 sp->next [j ++] = next_index;
3527 g_slist_free (next [i]);
3531 cfg->seq_point_info = info;
3533 // FIXME: dynamic methods
3534 if (!cfg->compile_aot) {
3535 mono_domain_lock (domain);
3536 // FIXME: How can the lookup succeed ?
3537 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3538 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3539 mono_domain_unlock (domain);
3542 g_ptr_array_free (cfg->seq_points, TRUE);
3543 cfg->seq_points = NULL;
3547 mono_codegen (MonoCompile *cfg)
3550 int max_epilog_size;
3552 MonoDomain *code_domain;
3554 if (mono_using_xdebug)
3556 * Recent gdb versions have trouble processing symbol files containing
3557 * overlapping address ranges, so allocate all code from the code manager
3558 * of the root domain. (#666152).
3560 code_domain = mono_get_root_domain ();
3562 code_domain = cfg->domain;
3564 #if defined(__native_client_codegen__) && defined(__native_client__)
3567 /* This keeps patch targets from being transformed during
3568 * ordinary method compilation, for local branches and jumps.
3570 nacl_allow_target_modification (FALSE);
3573 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3574 cfg->spill_count = 0;
3575 /* we reuse dfn here */
3576 /* bb->dfn = bb_count++; */
3578 mono_arch_lowering_pass (cfg, bb);
3580 if (cfg->opt & MONO_OPT_PEEPHOLE)
3581 mono_arch_peephole_pass_1 (cfg, bb);
3584 mono_local_regalloc (cfg, bb);
3586 if (cfg->opt & MONO_OPT_PEEPHOLE)
3587 mono_arch_peephole_pass_2 (cfg, bb);
3590 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3591 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3593 code = mono_arch_emit_prolog (cfg);
3595 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3596 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3598 cfg->code_len = code - cfg->native_code;
3599 cfg->prolog_end = cfg->code_len;
3601 mono_debug_open_method (cfg);
3603 /* emit code all basic blocks */
3604 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3605 bb->native_offset = cfg->code_len;
3606 bb->real_native_offset = cfg->code_len;
3607 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3608 mono_arch_output_basic_block (cfg, bb);
3609 bb->native_length = cfg->code_len - bb->native_offset;
3611 if (bb == cfg->bb_exit) {
3612 cfg->epilog_begin = cfg->code_len;
3614 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3615 code = cfg->native_code + cfg->code_len;
3616 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3617 cfg->code_len = code - cfg->native_code;
3618 g_assert (cfg->code_len < cfg->code_size);
3621 mono_arch_emit_epilog (cfg);
3625 #ifdef __native_client_codegen__
3626 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3628 mono_arch_emit_exceptions (cfg);
3630 max_epilog_size = 0;
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);
3665 memcpy (code, cfg->native_code, cfg->code_len);
3666 #if defined(__default_codegen__)
3667 g_free (cfg->native_code);
3668 #elif defined(__native_client_codegen__)
3669 if (cfg->native_code_alloc) {
3670 g_free (cfg->native_code_alloc);
3671 cfg->native_code_alloc = 0;
3673 else if (cfg->native_code) {
3674 g_free (cfg->native_code);
3676 #endif /* __native_client_codegen__ */
3677 cfg->native_code = code;
3678 code = cfg->native_code + cfg->code_len;
3680 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3681 mono_postprocess_patches (cfg);
3683 #ifdef VALGRIND_JIT_REGISTER_MAP
3684 if (valgrind_register){
3685 char* nm = mono_method_full_name (cfg->method, TRUE);
3686 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3691 if (cfg->verbose_level > 0) {
3692 char* nm = mono_method_full_name (cfg->method, TRUE);
3693 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3695 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3700 gboolean is_generic = FALSE;
3702 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3703 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3707 if (cfg->generic_sharing_context)
3708 g_assert (is_generic);
3711 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3712 mono_arch_save_unwind_info (cfg);
3715 #if defined(__native_client_codegen__) && defined(__native_client__)
3716 if (!cfg->compile_aot) {
3717 if (cfg->method->dynamic) {
3718 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
3720 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
3725 #if defined(__native_client_codegen__)
3726 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3729 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);
3731 if (cfg->method->dynamic) {
3732 if (mono_using_xdebug)
3733 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3735 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3737 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3739 #if defined(__native_client_codegen__) && defined(__native_client__)
3740 cfg->native_code = code_dest;
3742 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3744 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3746 mono_debug_close_method (cfg);
3748 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3749 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3754 compute_reachable (MonoBasicBlock *bb)
3758 if (!(bb->flags & BB_VISITED)) {
3759 bb->flags |= BB_VISITED;
3760 for (i = 0; i < bb->out_count; ++i)
3761 compute_reachable (bb->out_bb [i]);
3766 mono_handle_out_of_line_bblock (MonoCompile *cfg)
3769 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3770 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
3772 MONO_INST_NEW (cfg, ins, OP_BR);
3773 MONO_ADD_INS (bb, ins);
3774 ins->inst_target_bb = bb->next_bb;
3780 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3783 MonoMethodHeader *header;
3786 int generic_info_size;
3787 int holes_size = 0, num_holes = 0;
3789 g_assert (method_to_compile == cfg->method);
3790 header = cfg->header;
3792 if (cfg->generic_sharing_context)
3793 generic_info_size = sizeof (MonoGenericJitInfo);
3795 generic_info_size = 0;
3797 if (cfg->try_block_holes) {
3798 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3799 TryBlockHole *hole = tmp->data;
3800 MonoExceptionClause *ec = hole->clause;
3801 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
3802 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3803 g_assert (clause_last_bb);
3805 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3806 if (clause_last_bb->native_offset != hole_end)
3810 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
3811 if (G_UNLIKELY (cfg->verbose_level >= 4))
3812 printf ("Number of try block holes %d\n", num_holes);
3815 if (COMPILE_LLVM (cfg))
3816 num_clauses = cfg->llvm_ex_info_len;
3818 num_clauses = header->num_clauses;
3820 if (cfg->method->dynamic) {
3821 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
3822 generic_info_size + holes_size);
3824 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3825 (num_clauses * sizeof (MonoJitExceptionInfo)) +
3826 generic_info_size + holes_size);
3829 jinfo->method = cfg->method_to_register;
3830 jinfo->code_start = cfg->native_code;
3831 jinfo->code_size = cfg->code_len;
3832 jinfo->used_regs = cfg->used_int_regs;
3833 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3834 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3835 jinfo->num_clauses = num_clauses;
3836 if (COMPILE_LLVM (cfg))
3837 jinfo->from_llvm = TRUE;
3839 if (cfg->generic_sharing_context) {
3841 MonoGenericJitInfo *gi;
3843 jinfo->has_generic_jit_info = 1;
3845 gi = mono_jit_info_get_generic_jit_info (jinfo);
3848 gi->generic_sharing_context = cfg->generic_sharing_context;
3850 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3851 mini_method_get_context (method_to_compile)->method_inst ||
3852 method_to_compile->klass->valuetype) {
3853 g_assert (cfg->rgctx_var);
3858 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3859 mini_method_get_context (method_to_compile)->method_inst ||
3860 method_to_compile->klass->valuetype) {
3861 inst = cfg->rgctx_var;
3862 if (!COMPILE_LLVM (cfg))
3863 g_assert (inst->opcode == OP_REGOFFSET);
3865 inst = cfg->args [0];
3868 if (COMPILE_LLVM (cfg)) {
3869 g_assert (cfg->llvm_this_reg != -1);
3870 gi->this_in_reg = 0;
3871 gi->this_reg = cfg->llvm_this_reg;
3872 gi->this_offset = cfg->llvm_this_offset;
3873 } else if (inst->opcode == OP_REGVAR) {
3874 gi->this_in_reg = 1;
3875 gi->this_reg = inst->dreg;
3877 g_assert (inst->opcode == OP_REGOFFSET);
3879 g_assert (inst->inst_basereg == X86_EBP);
3880 #elif defined(TARGET_AMD64)
3881 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3883 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3885 gi->this_in_reg = 0;
3886 gi->this_reg = inst->inst_basereg;
3887 gi->this_offset = inst->inst_offset;
3892 MonoTryBlockHoleTableJitInfo *table;
3895 jinfo->has_try_block_holes = 1;
3896 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
3897 table->num_holes = (guint16)num_holes;
3899 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3900 guint32 start_bb_offset;
3901 MonoTryBlockHoleJitInfo *hole;
3902 TryBlockHole *hole_data = tmp->data;
3903 MonoExceptionClause *ec = hole_data->clause;
3904 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
3905 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3906 g_assert (clause_last_bb);
3908 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3909 if (clause_last_bb->native_offset == hole_end)
3912 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
3913 hole = &table->holes [i++];
3914 hole->clause = hole_data->clause - &header->clauses [0];
3915 hole->offset = (guint32)hole_data->start_offset;
3916 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
3918 if (G_UNLIKELY (cfg->verbose_level >= 4))
3919 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
3921 g_assert (i == num_holes);
3924 if (COMPILE_LLVM (cfg)) {
3926 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
3927 } else if (header->num_clauses) {
3930 for (i = 0; i < header->num_clauses; i++) {
3931 MonoExceptionClause *ec = &header->clauses [i];
3932 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3933 MonoBasicBlock *tblock;
3936 ei->flags = ec->flags;
3938 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3939 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3941 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3942 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3944 ei->data.filter = cfg->native_code + tblock->native_offset;
3946 ei->data.catch_class = ec->data.catch_class;
3949 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3951 g_assert (tblock->native_offset);
3952 ei->try_start = cfg->native_code + tblock->native_offset;
3953 if (tblock->extend_try_block) {
3955 * Extend the try block backwards to include parts of the previous call
3958 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
3960 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3962 if (!tblock->native_offset) {
3964 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
3965 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
3966 if (bb && bb->native_offset) {
3972 ei->try_end = cfg->native_code + tblock->native_offset;
3973 g_assert (tblock->native_offset);
3974 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3976 ei->handler_start = cfg->native_code + tblock->native_offset;
3978 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3979 TryBlockHole *hole = tmp->data;
3980 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
3981 if (hole->clause == ec && hole_end == ei->try_end) {
3982 if (G_UNLIKELY (cfg->verbose_level >= 4))
3983 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
3985 ei->try_end = cfg->native_code + hole->start_offset;
3990 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
3992 if (ec->handler_offset + ec->handler_len < header->code_size) {
3993 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
3995 end_offset = tblock->native_offset;
3997 end_offset = cfg->epilog_begin;
3999 ei->data.handler_end = cfg->native_code + end_offset;
4004 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4006 for (i = 0; i < jinfo->num_clauses; i++) {
4007 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4008 int start = (guint8*)ei->try_start - cfg->native_code;
4009 int end = (guint8*)ei->try_end - cfg->native_code;
4010 int handler = (guint8*)ei->handler_start - cfg->native_code;
4012 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
4017 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4018 * using it during runtime, hence the define.
4020 #ifdef MONO_ARCH_HAVE_XP_UNWIND
4021 if (cfg->encoded_unwind_ops) {
4022 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4023 g_free (cfg->encoded_unwind_ops);
4024 } else if (cfg->unwind_ops) {
4026 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4028 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4029 g_free (unwind_info);
4038 * mini_get_shared_method:
4040 * Return the method which is actually compiled/registered when doing generic sharing.
4043 mini_get_shared_method (MonoMethod *method)
4045 MonoGenericContext shared_context;
4046 MonoMethod *declaring_method, *res;
4048 gboolean partial = FALSE;
4050 if (method->is_generic || method->klass->generic_container)
4051 declaring_method = method;
4053 declaring_method = mono_method_get_declaring_generic_method (method);
4055 if (declaring_method->is_generic)
4056 shared_context = mono_method_get_generic_container (declaring_method)->context;
4058 shared_context = declaring_method->klass->generic_container->context;
4060 /* Handle partial sharing */
4061 if (method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE)) {
4062 MonoGenericContext *context = mono_method_get_context (method);
4063 MonoGenericInst *inst;
4064 MonoType **type_argv;
4067 * Create the shared context by replacing the ref type arguments with
4068 * type parameters, and keeping the rest.
4071 inst = context->class_inst;
4073 type_argv = g_new0 (MonoType*, inst->type_argc);
4074 for (i = 0; i < inst->type_argc; ++i) {
4075 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)
4076 type_argv [i] = shared_context.class_inst->type_argv [i];
4078 type_argv [i] = inst->type_argv [i];
4081 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4085 inst = context->method_inst;
4087 type_argv = g_new0 (MonoType*, inst->type_argc);
4088 for (i = 0; i < inst->type_argc; ++i) {
4089 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)
4090 type_argv [i] = shared_context.method_inst->type_argv [i];
4092 type_argv [i] = inst->type_argv [i];
4095 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4100 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4102 /* The result should be an inflated method whose parent is not inflated */
4103 g_assert (!res->klass->is_inflated);
4110 * mini_method_compile:
4111 * @method: the method to compile
4112 * @opts: the optimization flags to use
4113 * @domain: the domain where the method will be compiled in
4114 * @run_cctors: whether we should run type ctors if possible
4115 * @compile_aot: whether this is an AOT compilation
4116 * @parts: debug flag
4118 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4119 * field in the returned struct to see if compilation succeded.
4122 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4124 MonoMethodHeader *header;
4125 MonoMethodSignature *sig;
4129 int dfn, i, code_size_ratio;
4130 gboolean deadce_has_run = FALSE;
4131 gboolean try_generic_shared, try_llvm = FALSE;
4132 MonoMethod *method_to_compile, *method_to_register;
4134 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4135 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4136 mono_profiler_method_jit (method);
4137 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
4138 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4142 * We might get passed the original generic method definition or
4143 * instances with type parameters.
4144 * FIXME: Remove the method->klass->generic_class limitation.
4146 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4147 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl (method, TRUE)));
4149 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4150 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
4152 if (opts & MONO_OPT_GSHARED) {
4153 if (try_generic_shared)
4154 mono_stats.generics_sharable_methods++;
4155 else if (mono_method_is_generic_impl (method))
4156 mono_stats.generics_unsharable_methods++;
4160 try_llvm = mono_use_llvm;
4164 if (try_generic_shared) {
4165 method_to_compile = mini_get_shared_method (method);
4166 g_assert (method_to_compile);
4168 method_to_compile = method;
4171 cfg = g_new0 (MonoCompile, 1);
4172 cfg->method = method_to_compile;
4173 cfg->header = mono_method_get_header (cfg->method);
4174 cfg->mempool = mono_mempool_new ();
4176 cfg->prof_options = mono_profiler_get_events ();
4177 cfg->run_cctors = run_cctors;
4178 cfg->domain = domain;
4179 cfg->verbose_level = mini_verbose;
4180 cfg->compile_aot = compile_aot;
4181 cfg->skip_visibility = method->skip_visibility;
4182 cfg->orig_method = method;
4183 cfg->gen_seq_points = debug_options.gen_seq_points;
4184 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4185 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4186 if (try_generic_shared)
4187 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
4188 cfg->compile_llvm = try_llvm;
4189 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4191 if (cfg->gen_seq_points)
4192 cfg->seq_points = g_ptr_array_new ();
4194 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
4195 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4199 if (cfg->generic_sharing_context) {
4200 method_to_register = method_to_compile;
4202 g_assert (method == method_to_compile);
4203 method_to_register = method;
4205 cfg->method_to_register = method_to_register;
4207 mono_error_init (&err);
4208 sig = mono_method_signature_checked (cfg->method, &err);
4210 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4211 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4212 mono_error_cleanup (&err);
4213 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4214 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4218 header = cfg->header;
4220 MonoLoaderError *error;
4222 if ((error = mono_loader_get_last_error ())) {
4223 cfg->exception_type = error->exception_type;
4225 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4226 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4228 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4229 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4235 static gboolean inited;
4242 * Check for methods which cannot be compiled by LLVM early, to avoid
4243 * the extra compilation pass.
4245 if (COMPILE_LLVM (cfg)) {
4246 mono_llvm_check_method_supported (cfg);
4247 if (cfg->disable_llvm) {
4248 if (cfg->verbose_level >= 1) {
4249 //nm = mono_method_full_name (cfg->method, TRUE);
4250 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4253 mono_destroy_compile (cfg);
4255 goto restart_compile;
4261 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4262 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4263 cfg->disable_reuse_registers = TRUE;
4264 cfg->disable_reuse_stack_slots = TRUE;
4266 * This decreases the change the debugger will read registers/stack slots which are
4267 * not yet initialized.
4269 cfg->disable_initlocals_opt = TRUE;
4271 cfg->extend_live_ranges = TRUE;
4273 /* Temporarily disable this when running in the debugger until we have support
4274 * for this in the debugger. */
4275 cfg->disable_omit_fp = TRUE;
4277 /* The debugger needs all locals to be on the stack or in a global register */
4278 cfg->disable_vreg_to_lvreg = TRUE;
4280 /* Don't remove unused variables when running inside the debugger since the user
4281 * may still want to view them. */
4282 cfg->disable_deadce_vars = TRUE;
4284 // cfg->opt |= MONO_OPT_SHARED;
4285 cfg->opt &= ~MONO_OPT_DEADCE;
4286 cfg->opt &= ~MONO_OPT_INLINE;
4287 cfg->opt &= ~MONO_OPT_COPYPROP;
4288 cfg->opt &= ~MONO_OPT_CONSPROP;
4289 cfg->opt &= ~MONO_OPT_GSHARED;
4291 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4292 cfg->disable_out_of_line_bblocks = TRUE;
4295 if (mono_using_xdebug) {
4297 * Make each variable use its own register/stack slot and extend
4298 * their liveness to cover the whole method, making them displayable
4299 * in gdb even after they are dead.
4301 cfg->disable_reuse_registers = TRUE;
4302 cfg->disable_reuse_stack_slots = TRUE;
4303 cfg->extend_live_ranges = TRUE;
4304 cfg->compute_precise_live_ranges = TRUE;
4307 mini_gc_init_cfg (cfg);
4309 if (COMPILE_LLVM (cfg)) {
4310 cfg->opt |= MONO_OPT_ABCREM;
4313 if (getenv ("MONO_VERBOSE_METHOD")) {
4314 char *name = getenv ("MONO_VERBOSE_METHOD");
4316 if ((strchr (name, '.') > name) || strchr (name, ':')) {
4317 MonoMethodDesc *desc;
4319 desc = mono_method_desc_new (name, TRUE);
4320 if (mono_method_desc_full_match (desc, cfg->method)) {
4321 cfg->verbose_level = 4;
4323 mono_method_desc_free (desc);
4325 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
4326 cfg->verbose_level = 4;
4330 ip = (guint8 *)header->code;
4332 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
4334 if (cfg->verbose_level > 0) {
4336 if (COMPILE_LLVM (cfg))
4337 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
4338 else if (cfg->generic_sharing_context)
4339 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4341 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
4342 g_free (method_name);
4345 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
4346 cfg->opt |= MONO_OPT_SSA;
4349 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")))
4350 cfg->globalra = TRUE;
4353 //cfg->globalra = TRUE;
4355 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
4356 // cfg->globalra = TRUE;
4359 static int count = 0;
4363 if (getenv ("COUNT2")) {
4364 cfg->globalra = TRUE;
4365 if (count == atoi (getenv ("COUNT2")))
4366 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
4367 if (count > atoi (getenv ("COUNT2")))
4368 cfg->globalra = FALSE;
4373 if (header->clauses)
4374 cfg->globalra = FALSE;
4376 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4377 /* The code in the prolog clobbers caller saved registers */
4378 cfg->globalra = FALSE;
4380 // FIXME: Disable globalra in case of tracing/profiling
4382 if (cfg->method->save_lmf)
4383 /* The LMF saving code might clobber caller saved registers */
4384 cfg->globalra = FALSE;
4386 if (header->code_size > 5000)
4388 /* Too large bblocks could overflow the ins positions */
4389 cfg->globalra = FALSE;
4391 cfg->rs = mono_regstate_new ();
4393 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4394 cfg->next_vreg = cfg->rs->next_vreg;
4396 /* FIXME: Fix SSA to handle branches inside bblocks */
4397 if (cfg->opt & MONO_OPT_SSA)
4398 cfg->enable_extended_bblocks = FALSE;
4401 * FIXME: This confuses liveness analysis because variables which are assigned after
4402 * a branch inside a bblock become part of the kill set, even though the assignment
4403 * might not get executed. This causes the optimize_initlocals pass to delete some
4404 * assignments which are needed.
4405 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4408 //cfg->enable_extended_bblocks = TRUE;
4410 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4411 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
4412 if (mini_get_debug_options ()->break_on_unverified)
4418 * create MonoInst* which represents arguments and local variables
4420 mono_compile_create_vars (cfg);
4422 /* SSAPRE is not supported on linear IR */
4423 cfg->opt &= ~MONO_OPT_SSAPRE;
4425 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4428 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4430 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4431 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4434 mono_destroy_compile (cfg);
4435 try_generic_shared = FALSE;
4436 goto restart_compile;
4438 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4440 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4441 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4442 /* cfg contains the details of the failure, so let the caller cleanup */
4446 cfg->stat_basic_blocks += cfg->num_bblocks;
4448 if (COMPILE_LLVM (cfg)) {
4451 /* The IR has to be in SSA form for LLVM */
4452 cfg->opt |= MONO_OPT_SSA;
4456 // Allow SSA on the result value
4457 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4459 // Add an explicit return instruction referencing the return value
4460 MONO_INST_NEW (cfg, ins, OP_SETRET);
4461 ins->sreg1 = cfg->ret->dreg;
4463 MONO_ADD_INS (cfg->bb_exit, ins);
4466 cfg->opt &= ~MONO_OPT_LINEARS;
4469 cfg->opt &= ~MONO_OPT_BRANCH;
4472 /* todo: remove code when we have verified that the liveness for try/catch blocks
4476 * Currently, this can't be commented out since exception blocks are not
4477 * processed during liveness analysis.
4478 * It is also needed, because otherwise the local optimization passes would
4479 * delete assignments in cases like this:
4481 * <something which throws>
4483 * This also allows SSA to be run on methods containing exception clauses, since
4484 * SSA will ignore variables marked VOLATILE.
4486 mono_liveness_handle_exception_clauses (cfg);
4488 mono_handle_out_of_line_bblock (cfg);
4490 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4492 if (!COMPILE_LLVM (cfg))
4493 mono_decompose_long_opts (cfg);
4495 /* Should be done before branch opts */
4496 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4497 mono_local_cprop (cfg);
4499 if (cfg->opt & MONO_OPT_BRANCH)
4500 mono_optimize_branches (cfg);
4502 /* This must be done _before_ global reg alloc and _after_ decompose */
4503 mono_handle_global_vregs (cfg);
4504 if (cfg->opt & MONO_OPT_DEADCE)
4505 mono_local_deadce (cfg);
4506 /* Disable this for LLVM to make the IR easier to handle */
4507 if (!COMPILE_LLVM (cfg))
4508 mono_if_conversion (cfg);
4510 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4511 mono_remove_critical_edges (cfg);
4513 /* Depth-first ordering on basic blocks */
4514 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4516 cfg->max_block_num = cfg->num_bblocks;
4519 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4520 if (cfg->num_bblocks != dfn + 1) {
4523 cfg->num_bblocks = dfn + 1;
4525 /* remove unreachable code, because the code in them may be
4526 * inconsistent (access to dead variables for example) */
4527 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4528 bb->flags &= ~BB_VISITED;
4529 compute_reachable (cfg->bb_entry);
4530 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4531 if (bb->flags & BB_EXCEPTION_HANDLER)
4532 compute_reachable (bb);
4533 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4534 if (!(bb->flags & BB_VISITED)) {
4535 if (cfg->verbose_level > 1)
4536 g_print ("found unreachable code in BB%d\n", bb->block_num);
4537 bb->code = bb->last_ins = NULL;
4538 while (bb->out_count)
4539 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
4542 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4543 bb->flags &= ~BB_VISITED;
4546 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
4548 * we disable some optimizations if there are too many variables
4549 * because JIT time may become too expensive. The actual number needs
4550 * to be tweaked and eventually the non-linear algorithms should be fixed.
4552 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
4553 cfg->disable_ssa = TRUE;
4556 if (cfg->opt & MONO_OPT_LOOP) {
4557 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
4558 mono_compute_natural_loops (cfg);
4561 /* after method_to_ir */
4563 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4564 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4569 if (header->num_clauses)
4570 cfg->disable_ssa = TRUE;
4573 //#define DEBUGSSA "logic_run"
4574 #define DEBUGSSA_CLASS "Tests"
4577 if (!cfg->disable_ssa) {
4578 mono_local_cprop (cfg);
4581 mono_ssa_compute (cfg);
4585 if (cfg->opt & MONO_OPT_SSA) {
4586 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
4588 mono_ssa_compute (cfg);
4591 if (cfg->verbose_level >= 2) {
4598 /* after SSA translation */
4600 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4601 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4605 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
4606 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4608 mono_ssa_cprop (cfg);
4614 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4615 //mono_ssa_strength_reduction (cfg);
4617 if (cfg->opt & MONO_OPT_SSAPRE) {
4618 mono_perform_ssapre (cfg);
4619 //mono_local_cprop (cfg);
4622 if (cfg->opt & MONO_OPT_DEADCE) {
4623 mono_ssa_deadce (cfg);
4624 deadce_has_run = TRUE;
4627 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4628 mono_perform_abc_removal (cfg);
4630 mono_ssa_remove (cfg);
4631 mono_local_cprop (cfg);
4632 mono_handle_global_vregs (cfg);
4633 if (cfg->opt & MONO_OPT_DEADCE)
4634 mono_local_deadce (cfg);
4636 if (cfg->opt & MONO_OPT_BRANCH) {
4639 mono_optimize_branches (cfg);
4641 /* Have to recompute cfg->bblocks and bb->dfn */
4642 if (cfg->globalra) {
4643 mono_remove_critical_edges (cfg);
4645 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4648 /* Depth-first ordering on basic blocks */
4649 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4652 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4653 cfg->num_bblocks = dfn + 1;
4659 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
4660 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
4661 if (cfg->opt & MONO_OPT_ABCREM)
4662 mono_perform_abc_removal (cfg);
4665 /* after SSA removal */
4667 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4668 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4672 #ifdef MONO_ARCH_SOFT_FLOAT
4673 if (!COMPILE_LLVM (cfg))
4674 mono_decompose_soft_float (cfg);
4676 if (!COMPILE_LLVM (cfg))
4677 mono_decompose_vtype_opts (cfg);
4678 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4679 mono_decompose_array_access_opts (cfg);
4682 #ifndef MONO_ARCH_GOT_REG
4687 g_assert (cfg->got_var_allocated);
4690 * Allways allocate the GOT var to a register, because keeping it
4691 * in memory will increase the number of live temporaries in some
4692 * code created by inssel.brg, leading to the well known spills+
4693 * branches problem. Testcase: mcs crash in
4694 * System.MonoCustomAttrs:GetCustomAttributes.
4696 #ifdef MONO_ARCH_GOT_REG
4697 got_reg = MONO_ARCH_GOT_REG;
4699 regs = mono_arch_get_global_int_regs (cfg);
4701 got_reg = GPOINTER_TO_INT (regs->data);
4704 cfg->got_var->opcode = OP_REGVAR;
4705 cfg->got_var->dreg = got_reg;
4706 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
4710 * Have to call this again to process variables added since the first call.
4712 mono_liveness_handle_exception_clauses (cfg);
4714 if (cfg->globalra) {
4717 /* Have to do this before regalloc since it can create vregs */
4718 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4719 mono_arch_lowering_pass (cfg, bb);
4721 mono_global_regalloc (cfg);
4724 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
4725 GList *vars, *regs, *l;
4727 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
4728 cfg->comp_done &= ~MONO_COMP_LIVENESS;
4729 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
4730 mono_analyze_liveness (cfg);
4732 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
4733 regs = mono_arch_get_global_int_regs (cfg);
4734 /* Remove the reg reserved for holding the GOT address */
4736 for (l = regs; l; l = l->next) {
4737 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
4738 regs = g_list_delete_link (regs, l);
4743 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
4747 //mono_print_code (cfg, "");
4751 /* variables are allocated after decompose, since decompose could create temps */
4752 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4753 mono_arch_allocate_vars (cfg);
4754 if (cfg->exception_type)
4760 gboolean need_local_opts;
4762 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4763 mono_spill_global_vars (cfg, &need_local_opts);
4765 if (need_local_opts || cfg->compile_aot) {
4766 /* To optimize code created by spill_global_vars */
4767 mono_local_cprop (cfg);
4768 if (cfg->opt & MONO_OPT_DEADCE)
4769 mono_local_deadce (cfg);
4773 /* Add branches between non-consecutive bblocks */
4774 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4775 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
4776 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
4777 /* we are careful when inverting, since bugs like #59580
4778 * could show up when dealing with NaNs.
4780 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
4781 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
4782 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
4783 bb->last_ins->inst_false_bb = tmp;
4785 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
4787 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
4788 inst->opcode = OP_BR;
4789 inst->inst_target_bb = bb->last_ins->inst_false_bb;
4790 mono_bblock_add_inst (bb, inst);
4795 if (cfg->verbose_level >= 4 && !cfg->globalra) {
4796 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4797 MonoInst *tree = bb->code;
4798 g_print ("DUMP BLOCK %d:\n", bb->block_num);
4801 for (; tree; tree = tree->next) {
4802 mono_print_ins_index (-1, tree);
4808 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4809 bb->max_vreg = cfg->next_vreg;
4813 if (COMPILE_LLVM (cfg)) {
4817 /* The IR has to be in SSA form for LLVM */
4818 if (!(cfg->comp_done & MONO_COMP_SSA)) {
4819 cfg->exception_message = g_strdup ("SSA disabled.");
4820 cfg->disable_llvm = TRUE;
4823 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4824 mono_decompose_array_access_opts (cfg);
4826 if (!cfg->disable_llvm)
4827 mono_llvm_emit_method (cfg);
4828 if (cfg->disable_llvm) {
4829 if (cfg->verbose_level >= 1) {
4830 //nm = mono_method_full_name (cfg->method, TRUE);
4831 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4834 mono_destroy_compile (cfg);
4836 goto restart_compile;
4839 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
4840 nm = mono_method_full_name (cfg->method, TRUE);
4841 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
4843 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4851 if (COMPILE_LLVM (cfg))
4852 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
4854 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
4856 cfg->jit_info = create_jit_info (cfg, method_to_compile);
4858 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
4859 if (cfg->extend_live_ranges) {
4860 /* Extend live ranges to cover the whole method */
4861 for (i = 0; i < cfg->num_varinfo; ++i)
4862 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
4866 if (!cfg->compile_aot)
4867 mono_save_xdebug_info (cfg);
4869 mini_gc_create_gc_map (cfg);
4871 mono_save_seq_point_info (cfg);
4873 if (cfg->verbose_level >= 2) {
4874 char *id = mono_method_full_name (cfg->method, FALSE);
4875 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
4879 if (!cfg->compile_aot) {
4880 mono_domain_lock (cfg->domain);
4881 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
4883 if (cfg->method->dynamic)
4884 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
4885 mono_domain_unlock (cfg->domain);
4888 /* collect statistics */
4889 mono_perfcounters->jit_methods++;
4890 mono_perfcounters->jit_bytes += header->code_size;
4891 mono_jit_stats.allocated_code_size += cfg->code_len;
4892 code_size_ratio = cfg->code_len;
4893 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
4894 mono_jit_stats.biggest_method_size = code_size_ratio;
4895 g_free (mono_jit_stats.biggest_method);
4896 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4898 code_size_ratio = (code_size_ratio * 100) / header->code_size;
4899 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
4900 mono_jit_stats.max_code_size_ratio = code_size_ratio;
4901 g_free (mono_jit_stats.max_ratio_method);
4902 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4904 mono_jit_stats.native_code_size += cfg->code_len;
4906 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4907 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4915 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4917 g_assert_not_reached ();
4921 #endif /* DISABLE_JIT */
4924 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
4926 static gboolean inited = FALSE;
4927 static int lookups = 0;
4928 static int failed_lookups = 0;
4931 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
4932 if (ji && !ji->has_generic_jit_info)
4936 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
4937 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
4949 * LOCKING: Assumes domain->jit_code_hash_lock is held.
4952 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
4954 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
4959 if (!mono_method_is_generic_sharable_impl (method, FALSE))
4961 return mono_domain_lookup_shared_generic (domain, method);
4965 lookup_method (MonoDomain *domain, MonoMethod *method)
4969 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
4970 mono_domain_jit_code_hash_lock (domain);
4971 info = lookup_method_inner (domain, method);
4972 mono_domain_jit_code_hash_unlock (domain);
4973 mono_loader_unlock ();
4979 static FILE* perf_map_file = NULL;
4982 mono_enable_jit_map (void)
4984 if (!perf_map_file) {
4986 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
4988 perf_map_file = fopen (name, "w");
4993 mono_emit_jit_tramp (void *start, int size, const char *desc)
4996 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5000 mono_emit_jit_map (MonoJitInfo *jinfo)
5002 if (perf_map_file) {
5003 char *name = mono_method_full_name (jinfo->method, TRUE);
5004 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5010 mono_jit_map_is_enabled (void)
5012 return perf_map_file != NULL;
5018 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5021 gpointer code = NULL;
5022 MonoJitInfo *jinfo, *info;
5024 MonoException *ex = NULL;
5025 guint32 prof_options;
5027 MonoMethod *prof_method;
5029 #ifdef MONO_USE_AOT_COMPILER
5030 if (opt & MONO_OPT_AOT) {
5031 MonoDomain *domain = mono_domain_get ();
5033 mono_class_init (method->klass);
5035 if ((code = mono_aot_get_method (domain, method))) {
5036 vtable = mono_class_vtable (domain, method->klass);
5038 mono_runtime_class_init (vtable);
5045 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5046 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5048 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5050 if (!piinfo->addr) {
5051 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5052 piinfo->addr = mono_lookup_internal_call (method);
5053 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5055 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);
5057 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);
5060 mono_lookup_pinvoke_call (method, NULL, NULL);
5062 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5063 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5064 jinfo = mono_jit_info_table_find (target_domain, code);
5066 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5068 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5071 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
5072 //mono_debug_add_wrapper (method, nm);
5073 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5074 const char *name = method->name;
5075 char *full_name, *msg;
5078 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5079 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5080 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5083 * We need to make sure this wrapper
5084 * is compiled because it might end up
5085 * in an (M)RGCTX if generic sharing
5086 * is enabled, and would be called
5087 * indirectly. If it were a
5088 * trampoline we'd try to patch that
5089 * indirect call, which is not
5092 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5093 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5094 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5095 return mono_create_delegate_trampoline (method->klass);
5097 nm = mono_marshal_get_delegate_invoke (method, NULL);
5098 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5100 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5101 nm = mono_marshal_get_delegate_begin_invoke (method);
5102 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5103 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5104 nm = mono_marshal_get_delegate_end_invoke (method);
5105 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5109 full_name = mono_method_full_name (method, TRUE);
5110 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5111 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5117 if (mono_aot_only) {
5118 char *fullname = mono_method_full_name (method, TRUE);
5119 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
5121 *jit_ex = mono_get_exception_execution_engine (msg);
5128 jit_timer = g_timer_new ();
5130 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5131 prof_method = cfg->method;
5133 g_timer_stop (jit_timer);
5134 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5135 g_timer_destroy (jit_timer);
5137 switch (cfg->exception_type) {
5138 case MONO_EXCEPTION_NONE:
5140 case MONO_EXCEPTION_TYPE_LOAD:
5141 case MONO_EXCEPTION_MISSING_FIELD:
5142 case MONO_EXCEPTION_MISSING_METHOD:
5143 case MONO_EXCEPTION_FILE_NOT_FOUND:
5144 case MONO_EXCEPTION_BAD_IMAGE: {
5145 /* Throw a type load exception if needed */
5146 MonoLoaderError *error = mono_loader_get_last_error ();
5149 ex = mono_loader_error_prepare_exception (error);
5151 if (cfg->exception_ptr) {
5152 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5154 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5155 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5156 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5157 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5158 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5159 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5160 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5161 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5162 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5163 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5165 g_assert_not_reached ();
5170 case MONO_EXCEPTION_INVALID_PROGRAM:
5171 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5173 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5174 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5176 case MONO_EXCEPTION_METHOD_ACCESS:
5177 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5179 case MONO_EXCEPTION_FIELD_ACCESS:
5180 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5182 /* this can only be set if the security manager is active */
5183 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5184 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5185 MonoObject *exc = NULL;
5188 args [0] = &cfg->exception_data;
5190 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5192 ex = (MonoException*)exc;
5195 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5196 MonoException *exp = cfg->exception_ptr;
5197 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5202 case MONO_EXCEPTION_OUT_OF_MEMORY:
5203 ex = mono_domain_get ()->out_of_memory_ex;
5206 g_assert_not_reached ();
5210 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5211 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5213 mono_destroy_compile (cfg);
5219 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5220 mono_domain_lock (target_domain);
5222 /* Check if some other thread already did the job. In this case, we can
5223 discard the code this thread generated. */
5225 mono_domain_jit_code_hash_lock (target_domain);
5227 info = lookup_method_inner (target_domain, method);
5229 /* We can't use a domain specific method in another domain */
5230 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5231 code = info->code_start;
5232 // printf("Discarding code for method %s\n", method->name);
5237 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
5238 mono_domain_jit_code_hash_unlock (target_domain);
5239 code = cfg->native_code;
5241 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
5242 mono_stats.generics_shared_methods++;
5244 mono_domain_jit_code_hash_unlock (target_domain);
5247 jinfo = cfg->jit_info;
5249 prof_options = cfg->prof_options;
5252 * Update global stats while holding a lock, instead of doing many
5253 * InterlockedIncrement operations during JITting.
5255 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
5256 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
5257 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
5258 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
5259 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
5260 mono_jit_stats.regvars += cfg->stat_n_regvars;
5261 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
5262 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
5263 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
5264 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
5266 mono_destroy_compile (cfg);
5269 if (domain_jit_info (target_domain)->jump_target_hash) {
5270 MonoJumpInfo patch_info;
5271 MonoJumpList *jlist;
5273 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
5275 patch_info.next = NULL;
5276 patch_info.ip.i = 0;
5277 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
5278 patch_info.data.method = method;
5279 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
5281 for (tmp = jlist->list; tmp; tmp = tmp->next)
5282 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
5286 mono_emit_jit_map (jinfo);
5288 mono_domain_unlock (target_domain);
5289 mono_loader_unlock ();
5291 vtable = mono_class_vtable (target_domain, method->klass);
5293 ex = mono_class_get_exception_for_failure (method->klass);
5299 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
5300 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
5301 if (mono_marshal_method_from_wrapper (method)) {
5302 /* Native func wrappers have no method */
5303 /* The profiler doesn't know about wrappers, so pass the original icall method */
5304 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
5307 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5308 if (prof_method != method) {
5309 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
5313 ex = mono_runtime_class_init_full (vtable, FALSE);
5322 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
5324 MonoDomain *target_domain, *domain = mono_domain_get ();
5327 MonoJitICallInfo *callinfo = NULL;
5330 * ICALL wrappers are handled specially, since there is only one copy of them
5331 * shared by all appdomains.
5333 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
5334 const char *icall_name;
5336 icall_name = method->name + strlen ("__icall_wrapper_");
5337 g_assert (icall_name);
5338 callinfo = mono_find_jit_icall_by_name (icall_name);
5339 g_assert (callinfo);
5341 /* Must be domain neutral since there is only one copy */
5342 opt |= MONO_OPT_SHARED;
5345 if (opt & MONO_OPT_SHARED)
5346 target_domain = mono_get_root_domain ();
5348 target_domain = domain;
5350 info = lookup_method (target_domain, method);
5352 /* We can't use a domain specific method in another domain */
5353 if (! ((domain != target_domain) && !info->domain_neutral)) {
5355 MonoException *tmpEx;
5357 mono_jit_stats.methods_lookups++;
5358 vtable = mono_class_vtable (domain, method->klass);
5360 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
5365 return mono_create_ftnptr (target_domain, info->code_start);
5369 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
5373 p = mono_create_ftnptr (target_domain, code);
5377 if (!callinfo->wrapper) {
5378 callinfo->wrapper = p;
5379 mono_register_jit_icall_wrapper (callinfo, p);
5380 mono_debug_add_icall_wrapper (method, callinfo);
5389 mono_jit_compile_method (MonoMethod *method)
5391 MonoException *ex = NULL;
5394 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
5397 mono_raise_exception (ex);
5403 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5405 invalidated_delegate_trampoline (char *desc)
5407 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
5408 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
5414 * mono_jit_free_method:
5416 * Free all memory allocated by the JIT for METHOD.
5419 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
5421 MonoJitDynamicMethodInfo *ji;
5422 gboolean destroy = TRUE;
5423 GHashTableIter iter;
5424 MonoJumpList *jlist;
5426 g_assert (method->dynamic);
5428 mono_domain_lock (domain);
5429 ji = mono_dynamic_code_hash_lookup (domain, method);
5430 mono_domain_unlock (domain);
5435 mono_domain_lock (domain);
5436 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
5437 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
5438 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
5439 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
5441 /* Remove jump targets in this method */
5442 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
5443 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
5444 GSList *tmp, *remove;
5447 for (tmp = jlist->list; tmp; tmp = tmp->next) {
5448 guint8 *ip = tmp->data;
5450 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
5451 remove = g_slist_prepend (remove, tmp);
5453 for (tmp = remove; tmp; tmp = tmp->next) {
5454 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
5456 g_slist_free (remove);
5459 mono_domain_unlock (domain);
5461 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5462 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
5464 * Instead of freeing the code, change it to call an error routine
5465 * so people can fix their code.
5467 char *type = mono_type_full_name (&method->klass->byval_arg);
5468 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
5471 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
5477 * This needs to be done before freeing code_mp, since the code address is the
5478 * key in the table, so if we free the code_mp first, another thread can grab the
5479 * same code address and replace our entry in the table.
5481 mono_jit_info_table_remove (domain, ji->ji);
5484 mono_code_manager_destroy (ji->code_mp);
5489 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
5491 MonoDomain *target_domain;
5494 if (default_opt & MONO_OPT_SHARED)
5495 target_domain = mono_get_root_domain ();
5497 target_domain = domain;
5499 info = lookup_method (target_domain, method);
5501 /* We can't use a domain specific method in another domain */
5502 if (! ((domain != target_domain) && !info->domain_neutral)) {
5503 mono_jit_stats.methods_lookups++;
5506 return info->code_start;
5516 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
5518 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
5523 gpointer compiled_method;
5524 gpointer runtime_invoke;
5526 MonoDynCallInfo *dyn_call_info;
5527 MonoClass *ret_box_class;
5528 } RuntimeInvokeInfo;
5531 * mono_jit_runtime_invoke:
5532 * @method: the method to invoke
5533 * @obj: this pointer
5534 * @params: array of parameter values.
5535 * @exc: used to catch exceptions objects
5538 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
5541 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
5542 MonoDomain *domain = mono_domain_get ();
5543 MonoJitDomainInfo *domain_info;
5544 RuntimeInvokeInfo *info, *info2;
5546 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
5547 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
5551 domain_info = domain_jit_info (domain);
5553 mono_domain_lock (domain);
5554 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5555 mono_domain_unlock (domain);
5558 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
5560 * This might be redundant since mono_class_vtable () already does this,
5561 * but keep it just in case for moonlight.
5563 mono_class_setup_vtable (method->klass);
5564 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
5566 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
5568 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
5573 info = g_new0 (RuntimeInvokeInfo, 1);
5575 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5576 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
5577 g_assert (info->vtable);
5579 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5580 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5582 * Array Get/Set/Address methods. The JIT implements them using inline code
5583 * inside the runtime invoke wrappers, so no need to compile them.
5585 info->compiled_method = NULL;
5587 MonoException *jit_ex = NULL;
5589 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
5590 if (!info->compiled_method) {
5594 *exc = (MonoObject*)jit_ex;
5597 mono_raise_exception (jit_ex);
5601 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
5602 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
5606 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
5607 * in full-aot mode, so we use a slower, but more generic wrapper if
5608 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
5610 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5611 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
5612 MonoMethodSignature *sig = mono_method_signature (method);
5613 gboolean supported = TRUE;
5616 if (method->string_ctor)
5617 sig = mono_marshal_get_string_ctor_signature (method);
5619 for (i = 0; i < sig->param_count; ++i) {
5620 MonoType *t = sig->params [i];
5622 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
5626 if (method->klass->contextbound || !info->compiled_method)
5630 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
5632 if (info->dyn_call_info) {
5633 switch (sig->ret->type) {
5634 case MONO_TYPE_VOID:
5646 case MONO_TYPE_BOOLEAN:
5647 case MONO_TYPE_CHAR:
5650 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5653 info->ret_box_class = mono_defaults.int_class;
5655 case MONO_TYPE_STRING:
5656 case MONO_TYPE_CLASS:
5657 case MONO_TYPE_ARRAY:
5658 case MONO_TYPE_SZARRAY:
5659 case MONO_TYPE_OBJECT:
5661 case MONO_TYPE_GENERICINST:
5662 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
5663 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5665 case MONO_TYPE_VALUETYPE:
5666 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5669 g_assert_not_reached ();
5676 if (!info->dyn_call_info)
5677 info->runtime_invoke = mono_jit_compile_method (invoke);
5679 mono_domain_lock (domain);
5680 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5685 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
5687 mono_domain_unlock (domain);
5690 runtime_invoke = info->runtime_invoke;
5693 * We need this here because mono_marshal_get_runtime_invoke can place
5694 * the helper method in System.Object and not the target class.
5697 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
5701 mono_runtime_class_init (info->vtable);
5704 /* The wrappers expect this to be initialized to NULL */
5708 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5709 if (info->dyn_call_info) {
5710 MonoMethodSignature *sig = mono_method_signature (method);
5712 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
5715 guint8 retval [128];
5717 if (!dyn_runtime_invoke) {
5718 invoke = mono_marshal_get_runtime_invoke_dynamic ();
5719 dyn_runtime_invoke = mono_jit_compile_method (invoke);
5722 /* Convert the arguments to the format expected by start_dyn_call () */
5723 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
5726 args [pindex ++] = &obj;
5727 for (i = 0; i < sig->param_count; ++i) {
5728 MonoType *t = sig->params [i];
5731 args [pindex ++] = ¶ms [i];
5732 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
5733 args [pindex ++] = ¶ms [i];
5735 args [pindex ++] = params [i];
5739 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
5741 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
5743 dyn_runtime_invoke (buf, exc, info->compiled_method);
5745 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
5747 if (info->ret_box_class)
5748 return mono_value_box (domain, info->ret_box_class, retval);
5750 return *(MonoObject**)retval;
5754 return runtime_invoke (obj, params, exc, info->compiled_method);
5758 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
5760 MonoException *exc = NULL;
5762 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
5767 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5769 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
5770 if (mono_arch_is_int_overflow (ctx, info))
5772 * The spec says this throws ArithmeticException, but MS throws the derived
5773 * OverflowException.
5775 exc = mono_get_exception_overflow ();
5777 exc = mono_get_exception_divide_by_zero ();
5779 exc = mono_get_exception_divide_by_zero ();
5783 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5786 mono_handle_native_sigsegv (SIGSEGV, ctx);
5789 mono_arch_handle_exception (ctx, exc, FALSE);
5793 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
5798 exc = mono_get_exception_execution_engine ("SIGILL");
5800 mono_arch_handle_exception (ctx, exc, FALSE);
5803 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
5804 #define HAVE_SIG_INFO
5808 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
5811 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
5812 gpointer fault_addr = NULL;
5816 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
5817 if (mono_arch_is_single_step_event (info, ctx)) {
5818 mono_debugger_agent_single_step_event (ctx);
5820 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
5821 mono_debugger_agent_breakpoint_hit (ctx);
5826 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
5827 fault_addr = info->si_addr;
5828 if (mono_aot_is_pagefault (info->si_addr)) {
5829 mono_aot_handle_pagefault (info->si_addr);
5834 /* The thread might no be registered with the runtime */
5835 if (!mono_domain_get () || !jit_tls) {
5836 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5838 mono_handle_native_sigsegv (SIGSEGV, ctx);
5841 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5843 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
5844 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
5847 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
5848 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
5849 fault_addr = info->si_addr;
5850 if (fault_addr == NULL) {
5853 mono_arch_sigctx_to_monoctx (ctx, &mctx);
5855 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
5859 if (jit_tls->stack_size &&
5860 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
5862 * The hard-guard page has been hit: there is not much we can do anymore
5863 * Print a hopefully clear message and abort.
5865 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
5866 g_assert_not_reached ();
5868 /* The original handler might not like that it is executed on an altstack... */
5869 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
5872 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
5877 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5880 mono_handle_native_sigsegv (SIGSEGV, ctx);
5883 mono_arch_handle_exception (ctx, NULL, FALSE);
5888 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
5893 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
5895 mono_arch_handle_exception (ctx, exc, FALSE);
5898 /* mono_jit_create_remoting_trampoline:
5899 * @method: pointer to the method info
5901 * Creates a trampoline which calls the remoting functions. This
5902 * is used in the vtable of transparent proxies.
5904 * Returns: a pointer to the newly created code
5907 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
5910 guint8 *addr = NULL;
5912 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
5913 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
5917 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
5918 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
5919 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
5920 addr = mono_compile_method (nm);
5922 addr = mono_compile_method (method);
5924 return mono_get_addr_from_ftnptr (addr);
5927 static gpointer *vtable_trampolines;
5928 static int vtable_trampolines_size;
5931 mini_get_vtable_trampoline (int slot_index)
5933 int index = slot_index + MONO_IMT_SIZE;
5935 g_assert (slot_index >= - MONO_IMT_SIZE);
5936 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
5938 if (!vtable_trampolines || index >= vtable_trampolines_size) {
5942 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
5943 while (new_size <= index)
5945 new_table = g_new0 (gpointer, new_size);
5947 if (vtable_trampolines)
5948 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
5949 g_free (vtable_trampolines);
5950 mono_memory_barrier ();
5951 vtable_trampolines = new_table;
5952 vtable_trampolines_size = new_size;
5957 if (!vtable_trampolines [index])
5958 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
5959 return vtable_trampolines [index];
5963 mini_get_imt_trampoline (int slot_index)
5965 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
5969 mini_parse_debug_options (void)
5971 char *options = getenv ("MONO_DEBUG");
5972 gchar **args, **ptr;
5977 args = g_strsplit (options, ",", -1);
5979 for (ptr = args; ptr && *ptr; ptr++) {
5980 const char *arg = *ptr;
5982 if (!strcmp (arg, "handle-sigint"))
5983 debug_options.handle_sigint = TRUE;
5984 else if (!strcmp (arg, "keep-delegates"))
5985 debug_options.keep_delegates = TRUE;
5986 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
5987 debug_options.reverse_pinvoke_exceptions = TRUE;
5988 else if (!strcmp (arg, "collect-pagefault-stats"))
5989 debug_options.collect_pagefault_stats = TRUE;
5990 else if (!strcmp (arg, "break-on-unverified"))
5991 debug_options.break_on_unverified = TRUE;
5992 else if (!strcmp (arg, "no-gdb-backtrace"))
5993 debug_options.no_gdb_backtrace = TRUE;
5994 else if (!strcmp (arg, "suspend-on-sigsegv"))
5995 debug_options.suspend_on_sigsegv = TRUE;
5996 else if (!strcmp (arg, "suspend-on-unhandled"))
5997 debug_options.suspend_on_unhandled = TRUE;
5998 else if (!strcmp (arg, "dont-free-domains"))
5999 mono_dont_free_domains = TRUE;
6000 else if (!strcmp (arg, "dyn-runtime-invoke"))
6001 debug_options.dyn_runtime_invoke = TRUE;
6002 else if (!strcmp (arg, "gdb"))
6003 debug_options.gdb = TRUE;
6004 else if (!strcmp (arg, "explicit-null-checks"))
6005 debug_options.explicit_null_checks = TRUE;
6006 else if (!strcmp (arg, "gen-seq-points"))
6007 debug_options.gen_seq_points = TRUE;
6008 else if (!strcmp (arg, "init-stacks"))
6009 debug_options.init_stacks = TRUE;
6010 else if (!strcmp (arg, "casts"))
6011 debug_options.better_cast_details = TRUE;
6012 else if (!strcmp (arg, "soft-breakpoints"))
6013 debug_options.soft_breakpoints = TRUE;
6015 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6016 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");
6025 mini_get_debug_options (void)
6027 return &debug_options;
6031 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6033 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
6037 gpointer* desc = NULL;
6039 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
6042 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6046 # elif defined(__ppc64__) || defined(__powerpc64__)
6049 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6055 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
6061 mini_get_addr_from_ftnptr (gpointer descr)
6063 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6064 return *(gpointer*)descr;
6071 register_jit_stats (void)
6073 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
6074 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
6075 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6076 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6077 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6078 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
6079 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
6080 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
6081 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
6082 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
6083 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
6084 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
6085 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
6086 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
6087 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
6088 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
6089 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
6092 static void runtime_invoke_info_free (gpointer value);
6095 mini_create_jit_domain_info (MonoDomain *domain)
6097 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
6099 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6100 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6101 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6102 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6103 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6104 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
6105 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
6106 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
6107 info->jump_target_hash = g_hash_table_new (NULL, NULL);
6109 domain->runtime_info = info;
6113 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
6115 MonoJumpList *jlist = value;
6116 g_slist_free (jlist->list);
6120 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
6122 MonoJitDynamicMethodInfo *di = value;
6123 mono_code_manager_destroy (di->code_mp);
6128 runtime_invoke_info_free (gpointer value)
6130 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
6132 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6133 if (info->dyn_call_info)
6134 mono_arch_dyn_call_free (info->dyn_call_info);
6140 mini_free_jit_domain_info (MonoDomain *domain)
6142 MonoJitDomainInfo *info = domain_jit_info (domain);
6144 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6145 g_hash_table_destroy (info->jump_target_hash);
6146 if (info->jump_target_got_slot_hash) {
6147 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6148 g_hash_table_destroy (info->jump_target_got_slot_hash);
6150 if (info->dynamic_code_hash) {
6151 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6152 g_hash_table_destroy (info->dynamic_code_hash);
6154 if (info->method_code_hash)
6155 g_hash_table_destroy (info->method_code_hash);
6156 g_hash_table_destroy (info->class_init_trampoline_hash);
6157 g_hash_table_destroy (info->jump_trampoline_hash);
6158 g_hash_table_destroy (info->jit_trampoline_hash);
6159 g_hash_table_destroy (info->delegate_trampoline_hash);
6160 if (info->static_rgctx_trampoline_hash)
6161 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6162 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6163 g_hash_table_destroy (info->runtime_invoke_hash);
6164 g_hash_table_destroy (info->seq_points);
6165 g_hash_table_destroy (info->arch_seq_points);
6167 if (info->agent_info)
6168 mono_debugger_agent_free_domain_info (domain);
6170 g_free (domain->runtime_info);
6171 domain->runtime_info = NULL;
6175 mini_init (const char *filename, const char *runtime_version)
6178 MonoRuntimeCallbacks callbacks;
6179 MonoThreadInfoRuntimeCallbacks ticallbacks;
6181 MONO_PROBE_VES_INIT_BEGIN ();
6183 #if defined(__linux__) && !defined(__native_client__)
6184 if (access ("/proc/self/maps", F_OK) != 0) {
6185 g_print ("Mono requires /proc to be mounted.\n");
6190 /* Happens when using the embedding interface */
6191 if (!default_opt_set)
6192 default_opt = mono_parse_default_optimizations (NULL);
6194 InitializeCriticalSection (&jit_mutex);
6196 #ifdef MONO_DEBUGGER_SUPPORTED
6197 if (mini_debug_running_inside_mdb ())
6198 mini_debugger_init ();
6201 #ifdef MONO_HAVE_FAST_TLS
6202 MONO_FAST_TLS_INIT (mono_jit_tls);
6203 MONO_FAST_TLS_INIT (mono_lmf_addr);
6204 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
6205 MONO_FAST_TLS_INIT (mono_lmf);
6209 #ifdef MONO_ARCH_HAVE_TLS_GET
6210 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
6212 mono_runtime_set_has_tls_get (FALSE);
6215 if (!global_codeman)
6216 global_codeman = mono_code_manager_new ();
6217 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
6219 memset (&callbacks, 0, sizeof (callbacks));
6220 callbacks.create_ftnptr = mini_create_ftnptr;
6221 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
6222 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
6223 callbacks.set_cast_details = mono_set_cast_details;
6224 callbacks.debug_log = mono_debugger_agent_debug_log;
6225 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
6227 #ifdef MONO_ARCH_HAVE_IMT
6229 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
6230 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
6234 mono_install_callbacks (&callbacks);
6236 memset (&ticallbacks, 0, sizeof (ticallbacks));
6237 ticallbacks.setup_async_callback = mono_setup_async_callback;
6238 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
6239 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
6241 mono_threads_runtime_init (&ticallbacks);
6244 if (getenv ("MONO_DEBUG") != NULL)
6245 mini_parse_debug_options ();
6247 mono_arch_cpu_init ();
6251 mono_unwind_init ();
6253 if (getenv ("MONO_XDEBUG")) {
6254 char *xdebug_opts = getenv ("MONO_XDEBUG");
6255 mono_xdebug_init (xdebug_opts);
6256 /* So methods for multiple domains don't have the same address */
6257 mono_dont_free_domains = TRUE;
6258 mono_using_xdebug = TRUE;
6259 } else if (mini_get_debug_options ()->gdb) {
6260 mono_xdebug_init ((char*)"gdb");
6261 mono_dont_free_domains = TRUE;
6262 mono_using_xdebug = TRUE;
6266 if (mono_use_llvm) {
6267 if (!mono_llvm_load (NULL)) {
6268 mono_use_llvm = FALSE;
6269 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
6276 mono_trampolines_init ();
6278 if (!g_thread_supported ())
6279 g_thread_init (NULL);
6281 mono_jit_tls_id = TlsAlloc ();
6282 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
6284 if (default_opt & MONO_OPT_AOT)
6287 mono_debugger_agent_init ();
6289 #ifdef MONO_ARCH_GSHARED_SUPPORTED
6290 mono_set_generic_sharing_supported (TRUE);
6293 #ifndef MONO_CROSS_COMPILE
6294 mono_runtime_install_handlers ();
6296 mono_threads_install_cleanup (mini_thread_cleanup);
6298 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
6299 // This is experimental code so provide an env var to switch it off
6300 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
6301 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
6303 check_for_pending_exc = FALSE;
6304 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
6308 #define JIT_TRAMPOLINES_WORK
6309 #ifdef JIT_TRAMPOLINES_WORK
6310 mono_install_compile_method (mono_jit_compile_method);
6311 mono_install_free_method (mono_jit_free_method);
6312 mono_install_trampoline (mono_create_jit_trampoline);
6313 mono_install_jump_trampoline (mono_create_jump_trampoline);
6314 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
6315 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
6316 mono_install_create_domain_hook (mini_create_jit_domain_info);
6317 mono_install_free_domain_hook (mini_free_jit_domain_info);
6319 #define JIT_INVOKE_WORKS
6320 #ifdef JIT_INVOKE_WORKS
6321 mono_install_runtime_invoke (mono_jit_runtime_invoke);
6323 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
6324 mono_install_get_class_from_name (mono_aot_get_class_from_name);
6325 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
6327 if (debug_options.collect_pagefault_stats) {
6328 mono_aot_set_make_unreadable (TRUE);
6331 if (runtime_version)
6332 domain = mono_init_version (filename, runtime_version);
6334 domain = mono_init_from_assembly (filename, filename);
6336 if (mono_aot_only) {
6337 /* This helps catch code allocation requests */
6338 mono_code_manager_set_read_only (domain->code_mp);
6341 #ifdef MONO_ARCH_HAVE_IMT
6344 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
6346 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
6350 /* This must come after mono_init () in the aot-only case */
6351 mono_exceptions_init ();
6355 /* This should come after mono_init () too */
6358 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
6359 ves_icall_get_frame_info);
6360 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
6361 ves_icall_get_trace);
6362 mono_add_internal_call ("System.Exception::get_trace",
6363 ves_icall_System_Exception_get_trace);
6364 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
6365 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
6366 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
6367 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
6368 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
6369 mono_runtime_install_handlers);
6371 mono_create_helper_signatures ();
6373 register_jit_stats ();
6375 #define JIT_CALLS_WORK
6376 #ifdef JIT_CALLS_WORK
6377 /* Needs to be called here since register_jit_icall depends on it */
6378 mono_marshal_init ();
6380 mono_arch_register_lowlevel_calls ();
6381 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
6382 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
6383 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
6384 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
6385 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
6386 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
6387 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
6389 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
6390 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
6391 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
6393 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
6394 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
6395 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
6396 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
6397 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
6399 #if defined(__native_client__) || defined(__native_client_codegen__)
6400 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
6403 * NOTE, NOTE, NOTE, NOTE:
6404 * when adding emulation for some opcodes, remember to also add a dummy
6405 * rule to the burg files, because we need the arity information to be correct.
6407 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
6408 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
6409 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
6410 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
6411 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
6412 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
6413 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
6414 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
6417 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
6418 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
6419 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
6420 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
6423 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
6424 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
6425 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6426 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
6427 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6430 #ifdef MONO_ARCH_EMULATE_MUL_DIV
6431 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
6434 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
6435 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6436 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6439 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
6440 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
6443 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
6444 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
6445 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
6446 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
6448 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
6449 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
6451 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
6452 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6454 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
6455 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
6457 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
6458 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
6460 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
6461 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
6463 #ifdef MONO_ARCH_EMULATE_FREM
6464 #if defined(__default_codegen__)
6465 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
6466 #elif defined(__native_client_codegen__)
6467 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, FALSE);
6471 #ifdef MONO_ARCH_SOFT_FLOAT
6472 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
6473 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
6474 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
6475 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
6476 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
6477 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
6478 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
6479 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
6480 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
6481 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
6482 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
6483 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
6484 #if SIZEOF_VOID_P == 4
6485 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
6488 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
6489 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
6490 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
6491 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
6492 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
6493 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
6494 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
6495 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
6496 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
6497 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
6499 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
6500 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
6501 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
6502 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
6503 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
6505 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
6506 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
6507 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
6508 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
6511 #ifdef COMPRESSED_INTERFACE_BITMAP
6512 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
6515 #if SIZEOF_REGISTER == 4
6516 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
6519 /* other jit icalls */
6520 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
6521 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
6522 "ptr ptr ptr", FALSE);
6523 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
6524 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
6525 "ptr ptr ptr ptr", FALSE);
6526 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
6527 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
6528 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
6529 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
6530 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
6531 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
6532 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
6533 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
6534 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
6535 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
6536 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
6537 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
6538 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
6539 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
6540 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
6541 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
6542 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
6543 register_icall (mono_break, "mono_break", NULL, TRUE);
6544 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
6545 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
6546 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
6547 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
6548 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
6549 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
6550 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
6551 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
6553 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
6555 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
6556 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
6558 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
6562 mono_generic_sharing_init ();
6564 #ifdef MONO_ARCH_SIMD_INTRINSICS
6565 mono_simd_intrinsics_init ();
6568 #if MONO_SUPPORT_TASKLETS
6569 mono_tasklets_init ();
6572 if (mono_compile_aot)
6574 * Avoid running managed code when AOT compiling, since the platform
6575 * might only support aot-only execution.
6577 mono_runtime_set_no_exec (TRUE);
6579 #define JIT_RUNTIME_WORKS
6580 #ifdef JIT_RUNTIME_WORKS
6581 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
6582 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
6583 mono_thread_attach (domain);
6586 mono_profiler_runtime_initialized ();
6588 MONO_PROBE_VES_INIT_END ();
6593 MonoJitStats mono_jit_stats = {0};
6596 print_jit_stats (void)
6598 if (mono_jit_stats.enabled) {
6599 g_print ("Mono Jit statistics\n");
6600 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
6601 mono_jit_stats.max_ratio_method);
6602 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
6603 mono_jit_stats.biggest_method);
6605 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
6606 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
6607 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
6608 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
6609 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
6610 g_print ("Methods: %ld\n", mono_stats.method_count);
6611 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
6612 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
6613 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
6615 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
6616 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
6617 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
6619 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
6620 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
6621 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
6623 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
6624 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
6625 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
6627 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
6628 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
6629 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
6630 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
6631 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
6632 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
6633 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
6634 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
6636 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
6637 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
6638 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
6640 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
6641 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
6642 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
6643 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
6644 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
6645 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
6646 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
6647 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
6648 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
6649 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
6650 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
6651 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
6654 g_free (mono_jit_stats.max_ratio_method);
6655 mono_jit_stats.max_ratio_method = NULL;
6656 g_free (mono_jit_stats.biggest_method);
6657 mono_jit_stats.biggest_method = NULL;
6662 mini_cleanup (MonoDomain *domain)
6664 mono_runtime_shutdown_stat_profiler ();
6667 cominterop_release_all_rcws ();
6670 #ifndef MONO_CROSS_COMPILE
6671 mono_runtime_shutdown ();
6673 * mono_runtime_cleanup() and mono_domain_finalize () need to
6674 * be called early since they need the execution engine still
6675 * fully working (mono_domain_finalize may invoke managed finalizers
6676 * and mono_runtime_cleanup will wait for other threads to finish).
6678 mono_domain_finalize (domain, 2000);
6681 /* This accesses metadata so needs to be called before runtime shutdown */
6684 mono_profiler_shutdown ();
6686 #ifndef MONO_CROSS_COMPILE
6687 mono_runtime_cleanup (domain);
6690 free_jit_tls_data (TlsGetValue (mono_jit_tls_id));
6692 mono_icall_cleanup ();
6694 mono_runtime_cleanup_handlers ();
6696 mono_domain_free (domain, TRUE);
6698 mono_debugger_cleanup ();
6702 mono_llvm_cleanup ();
6705 mono_aot_cleanup ();
6707 mono_trampolines_cleanup ();
6709 mono_unwind_cleanup ();
6711 if (!mono_dont_free_global_codeman)
6712 mono_code_manager_destroy (global_codeman);
6713 g_hash_table_destroy (jit_icall_name_hash);
6714 g_free (emul_opcode_map);
6715 g_free (emul_opcode_opcodes);
6716 g_free (vtable_trampolines);
6718 mono_arch_cleanup ();
6720 mono_generic_sharing_cleanup ();
6724 mono_trace_cleanup ();
6726 mono_counters_dump (-1, stdout);
6728 if (mono_inject_async_exc_method)
6729 mono_method_desc_free (mono_inject_async_exc_method);
6731 TlsFree(mono_jit_tls_id);
6733 DeleteCriticalSection (&jit_mutex);
6735 DeleteCriticalSection (&mono_delegate_section);
6739 mono_set_defaults (int verbose_level, guint32 opts)
6741 mini_verbose = verbose_level;
6743 default_opt_set = TRUE;
6747 mono_disable_optimizations (guint32 opts)
6749 default_opt &= ~opts;
6753 * mono_get_runtime_build_info:
6755 * Return the runtime version + build date in string format.
6756 * The returned string is owned by the caller.
6759 mono_get_runtime_build_info (void)
6761 if (mono_build_date)
6762 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
6764 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
6768 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
6770 GHashTable *assemblies = (GHashTable*)user_data;
6771 MonoImage *image = mono_assembly_get_image (ass);
6772 MonoMethod *method, *invoke;
6775 if (g_hash_table_lookup (assemblies, ass))
6778 g_hash_table_insert (assemblies, ass, ass);
6780 if (mini_verbose > 0)
6781 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
6783 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
6784 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
6785 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
6789 if (mini_verbose > 1) {
6790 char * desc = mono_method_full_name (method, TRUE);
6791 g_print ("Compiling %d %s\n", count, desc);
6794 mono_compile_method (method);
6795 if (strcmp (method->name, "Finalize") == 0) {
6796 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6797 mono_compile_method (invoke);
6799 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
6800 invoke = mono_marshal_get_remoting_invoke_with_check (method);
6801 mono_compile_method (invoke);
6805 /* Load and precompile referenced assemblies as well */
6806 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
6807 mono_assembly_load_reference (image, i);
6808 if (image->references [i])
6809 mono_precompile_assembly (image->references [i], assemblies);
6813 void mono_precompile_assemblies ()
6815 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
6817 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
6819 g_hash_table_destroy (assemblies);
6825 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
6826 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
6830 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
6832 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
6833 hole->clause = clause;
6834 hole->start_offset = start - cfg->native_code;
6835 hole->basic_block = bb;
6837 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
6841 mono_cfg_set_exception (MonoCompile *cfg, int type)
6843 cfg->exception_type = type;