2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Coprygith 2003-2010 Novell, Inc.
12 #define MONO_LLVM_IN_MINI 1
22 #ifdef HAVE_SYS_TIME_H
26 #include <mono/utils/memcheck.h>
28 #include <mono/metadata/assembly.h>
29 #include <mono/metadata/loader.h>
30 #include <mono/metadata/tabledefs.h>
31 #include <mono/metadata/class.h>
32 #include <mono/metadata/object.h>
33 #include <mono/metadata/tokentype.h>
34 #include <mono/metadata/tabledefs.h>
35 #include <mono/metadata/threads.h>
36 #include <mono/metadata/appdomain.h>
37 #include <mono/metadata/debug-helpers.h>
38 #include <mono/io-layer/io-layer.h>
39 #include "mono/metadata/profiler.h"
40 #include <mono/metadata/profiler-private.h>
41 #include <mono/metadata/mono-config.h>
42 #include <mono/metadata/environment.h>
43 #include <mono/metadata/mono-debug.h>
44 #include <mono/metadata/gc-internal.h>
45 #include <mono/metadata/threads-types.h>
46 #include <mono/metadata/verify.h>
47 #include <mono/metadata/verify-internals.h>
48 #include <mono/metadata/mempool-internals.h>
49 #include <mono/metadata/attach.h>
50 #include <mono/metadata/runtime.h>
51 #include <mono/utils/mono-math.h>
52 #include <mono/utils/mono-compiler.h>
53 #include <mono/utils/mono-counters.h>
54 #include <mono/utils/mono-logger-internal.h>
55 #include <mono/utils/mono-mmap.h>
56 #include <mono/utils/dtrace.h>
59 #include "mini-llvm.h"
66 #include "jit-icalls.h"
68 #include "debug-mini.h"
70 #include "debugger-agent.h"
72 #if defined(HAVE_KW_THREAD)
73 #define MINI_FAST_TLS_SET(x,y) x = y
74 #define MINI_FAST_TLS_GET(x) x
75 #define MINI_FAST_TLS_INIT(x)
76 #define MINI_FAST_TLS_DECLARE(x) static __thread gpointer x MONO_TLS_FAST;
77 #define MINI_HAVE_FAST_TLS
78 #define MINI_THREAD_VAR_OFFSET(x,y) MONO_THREAD_VAR_OFFSET(x,y)
79 #elif (defined(__APPLE__) && defined(__i386__))
80 #define MINI_FAST_TLS_SET(x,y) pthread_setspecific(x, y)
81 #define MINI_FAST_TLS_GET(x) pthread_getspecific(x)
82 #define MINI_FAST_TLS_INIT(x) pthread_key_create(&x, NULL)
83 #define MINI_FAST_TLS_DECLARE(x) static pthread_key_t x;
84 #define MINI_HAVE_FAST_TLS
85 #define MINI_THREAD_VAR_OFFSET(x,y) y = (gint32) x
87 #define MINI_THREAD_VAR_OFFSET(x,y) MONO_THREAD_VAR_OFFSET(x,y)
90 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
93 static guint32 default_opt = 0;
94 static gboolean default_opt_set = FALSE;
96 guint32 mono_jit_tls_id = -1;
98 #ifdef MINI_HAVE_FAST_TLS
99 MINI_FAST_TLS_DECLARE(mono_jit_tls);
102 MonoTraceSpec *mono_jit_trace_calls = NULL;
103 gboolean mono_break_on_exc = FALSE;
104 gboolean mono_compile_aot = FALSE;
105 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
106 gboolean mono_aot_only = FALSE;
107 /* Whenever to use IMT */
108 #ifdef MONO_ARCH_HAVE_IMT
109 gboolean mono_use_imt = TRUE;
111 gboolean mono_use_imt = FALSE;
113 MonoMethodDesc *mono_inject_async_exc_method = NULL;
114 int mono_inject_async_exc_pos;
115 MonoMethodDesc *mono_break_at_bb_method = NULL;
116 int mono_break_at_bb_bb_num;
117 gboolean mono_do_x86_stack_align = TRUE;
118 const char *mono_build_date;
119 gboolean mono_do_signal_chaining;
120 static gboolean mono_using_xdebug;
121 static int mini_verbose = 0;
124 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
125 * it can load AOT code compiled by LLVM.
127 gboolean mono_use_llvm = FALSE;
129 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
130 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
131 static CRITICAL_SECTION jit_mutex;
133 static MonoCodeManager *global_codeman = NULL;
135 static GHashTable *jit_icall_name_hash = NULL;
137 static MonoDebugOptions debug_options;
139 #ifdef VALGRIND_JIT_REGISTER_MAP
140 static int valgrind_register = 0;
144 * Table written to by the debugger with a 1-based index into the
145 * mono_breakpoint_info table, which contains changes made to
146 * the JIT instructions by the debugger.
149 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
151 /* Whenever to check for pending exceptions in managed-to-native wrappers */
152 gboolean check_for_pending_exc = TRUE;
154 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
155 gboolean disable_vtypes_in_regs = FALSE;
157 gboolean mono_dont_free_global_codeman;
160 mono_realloc_native_code (MonoCompile *cfg)
162 #if defined(__default_codegen__)
163 return g_realloc (cfg->native_code, cfg->code_size);
164 #elif defined(__native_client_codegen__)
166 gpointer native_code;
167 guint alignment_check;
169 /* Save the old alignment offset so we can re-align after the realloc. */
170 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
172 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
173 cfg->code_size + kNaClAlignment );
175 /* Align native_code to next nearest kNaClAlignment byte. */
176 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
177 native_code = (guint)native_code & ~kNaClAlignmentMask;
179 /* Shift the data to be 32-byte aligned again. */
180 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
182 alignment_check = (guint)native_code & kNaClAlignmentMask;
183 g_assert (alignment_check == 0);
186 g_assert_not_reached ();
187 return cfg->native_code;
191 #ifdef __native_client_codegen__
193 /* Prevent instructions from straddling a 32-byte alignment boundary. */
194 /* Instructions longer than 32 bytes must be aligned internally. */
195 /* IN: pcode, instlen */
197 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
200 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
202 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
203 g_assert_not_reached();
204 } else if (instlen > space_in_block) {
205 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
209 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
210 /* IN: start pointer to start of call sequence */
211 /* IN: pcode pointer to end of call sequence (current "IP") */
212 /* OUT: start pointer to the start of the call sequence after padding */
213 /* OUT: pcode pointer to the end of the call sequence after padding */
214 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
215 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
216 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
219 const size_t length = (size_t)((*pcode)-(*start));
220 g_assert(length < MAX_NACL_CALL_LENGTH);
222 memcpy(copy_of_call, *start, length);
223 temp = mono_nacl_pad_call(*start, (guint8)length);
224 memcpy(temp, copy_of_call, length);
226 (*pcode) = temp + length;
229 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
230 /* code pointer to buffer for emitting code */
231 /* ilength length of call instruction */
232 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
233 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
234 int padding = freeSpaceInBlock - ilength;
237 /* There isn't enough space in this block for the instruction. */
238 /* Fill this block and start a new one. */
239 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
240 freeSpaceInBlock = kNaClAlignment;
241 padding = freeSpaceInBlock - ilength;
243 g_assert(ilength > 0);
244 g_assert(padding >= 0);
245 g_assert(padding < kNaClAlignment);
246 if (0 == padding) return code;
247 return mono_arch_nacl_pad(code, padding);
250 guint8 *mono_nacl_align(guint8 *code) {
251 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
252 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
256 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
258 MonoJumpInfo *patch_info;
259 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
260 unsigned char *ip = patch_info->ip.i + code;
261 ip = mono_arch_nacl_skip_nops(ip);
262 patch_info->ip.i = ip - code;
265 #endif /* __native_client_codegen__ */
268 mono_running_on_valgrind (void)
270 if (RUNNING_ON_VALGRIND){
271 #ifdef VALGRIND_JIT_REGISTER_MAP
272 valgrind_register = TRUE;
280 MonoExceptionClause *clause;
281 MonoBasicBlock *basic_block;
291 find_tramp (gpointer key, gpointer value, gpointer user_data)
293 FindTrampUserData *ud = (FindTrampUserData*)user_data;
296 ud->method = (MonoMethod*)key;
300 G_GNUC_UNUSED static char*
301 get_method_from_ip (void *ip)
306 MonoDomain *domain = mono_domain_get ();
307 MonoDebugSourceLocation *location;
308 FindTrampUserData user_data;
310 ji = mono_jit_info_table_find (domain, ip);
313 user_data.method = NULL;
314 mono_domain_lock (domain);
315 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
316 mono_domain_unlock (domain);
317 if (user_data.method) {
318 char *mname = mono_method_full_name (user_data.method, TRUE);
319 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
326 method = mono_method_full_name (ji->method, TRUE);
327 /* FIXME: unused ? */
328 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
330 res = g_strdup_printf (" %s + 0x%x (%p %p) [%p - %s]", method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
332 mono_debug_free_source_location (location);
340 * @ip: an instruction pointer address
342 * This method is used from a debugger to get the name of the
343 * method at address @ip. This routine is typically invoked from
344 * a debugger like this:
346 * (gdb) print mono_pmip ($pc)
348 * Returns: the name of the method at address @ip.
353 return get_method_from_ip (ip);
357 * mono_print_method_from_ip
358 * @ip: an instruction pointer address
360 * This method is used from a debugger to get the name of the
361 * method at address @ip.
363 * This prints the name of the method at address @ip in the standard
364 * output. Unlike mono_pmip which returns a string, this routine
365 * prints the value on the standard output.
368 mono_print_method_from_ip (void *ip)
372 MonoDebugSourceLocation *source;
373 MonoDomain *domain = mono_domain_get ();
374 MonoDomain *target_domain = mono_domain_get ();
375 FindTrampUserData user_data;
377 ji = mini_jit_info_table_find (domain, ip, &target_domain);
380 user_data.method = NULL;
381 mono_domain_lock (domain);
382 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
383 mono_domain_unlock (domain);
384 if (user_data.method) {
385 char *mname = mono_method_full_name (user_data.method, TRUE);
386 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
390 g_print ("No method at %p\n", ip);
393 method = mono_method_full_name (ji->method, TRUE);
394 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
396 g_print ("IP %p at offset 0x%x of method %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
399 g_print ("%s:%d\n", source->source_file, source->row);
401 mono_debug_free_source_location (source);
406 * mono_method_same_domain:
408 * Determine whenever two compiled methods are in the same domain, thus
409 * the address of the callee can be embedded in the caller.
411 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
413 if (!caller || !callee)
417 * If the call was made from domain-neutral to domain-specific
418 * code, we can't patch the call site.
420 if (caller->domain_neutral && !callee->domain_neutral)
423 if ((caller->method->klass == mono_defaults.appdomain_class) &&
424 (strstr (caller->method->name, "InvokeInDomain"))) {
425 /* The InvokeInDomain methods change the current appdomain */
433 * mono_global_codeman_reserve:
435 * Allocate code memory from the global code manager.
437 void *mono_global_codeman_reserve (int size)
442 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
444 if (!global_codeman) {
445 /* This can happen during startup */
446 global_codeman = mono_code_manager_new ();
447 return mono_code_manager_reserve (global_codeman, size);
451 ptr = mono_code_manager_reserve (global_codeman, size);
457 #if defined(__native_client_codegen__) && defined(__native_client__)
458 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
459 * which we are generating code, return a pointer to the destination in the
460 * dynamic code segment into which the code will be copied when
461 * mono_global_codeman_commit is called.
462 * LOCKING: Acquires the jit lock.
465 nacl_global_codeman_get_dest (void *data)
469 dest = nacl_code_manager_get_code_dest (global_codeman, data);
475 mono_global_codeman_commit (void *data, int size, int newsize)
478 mono_code_manager_commit (global_codeman, data, size, newsize);
483 * Convenience function which calls mono_global_codeman_commit to validate and
484 * copy the code. The caller sets *buf_base and *buf_size to the start and size
485 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
486 * the byte after the last instruction byte. On return, *buf_base will point to
487 * the start of the copied in the code segment, and *code_end will point after
488 * the end of the copied code.
491 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
493 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
494 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
495 *code_end = tmp + (*code_end - *buf_base);
499 /* no-op versions of Native Client functions */
501 nacl_global_codeman_get_dest (void *data)
507 mono_global_codeman_commit (void *data, int size, int newsize)
512 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
516 #endif /* __native_client__ */
519 * mono_create_unwind_op:
521 * Create an unwind op with the given parameters.
524 mono_create_unwind_op (int when, int tag, int reg, int val)
526 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
537 * mono_emit_unwind_op:
539 * Add an unwind op with the given parameters for the list of unwind ops stored in
543 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
545 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
552 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
556 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
558 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
561 res->has_context = context != NULL;
563 memcpy (&res->context, context, sizeof (MonoGenericContext));
569 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
571 return mono_jump_info_token_new2 (mp, image, token, NULL);
575 * mono_tramp_info_create:
577 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
578 * of NAME, JI, and UNWIND_OPS.
581 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
583 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
585 info->name = (char*)name;
587 info->code_size = code_size;
589 info->unwind_ops = unwind_ops;
595 mono_tramp_info_free (MonoTrampInfo *info)
602 for (l = info->unwind_ops; l; l = l->next)
604 g_slist_free (info->unwind_ops);
608 #define MONO_INIT_VARINFO(vi,id) do { \
609 (vi)->range.first_use.pos.bid = 0xffff; \
615 * mono_unlink_bblock:
617 * Unlink two basic blocks.
620 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
626 for (i = 0; i < from->out_count; ++i) {
627 if (to == from->out_bb [i]) {
634 for (i = 0; i < from->out_count; ++i) {
635 if (from->out_bb [i] != to)
636 from->out_bb [pos ++] = from->out_bb [i];
638 g_assert (pos == from->out_count - 1);
643 for (i = 0; i < to->in_count; ++i) {
644 if (from == to->in_bb [i]) {
651 for (i = 0; i < to->in_count; ++i) {
652 if (to->in_bb [i] != from)
653 to->in_bb [pos ++] = to->in_bb [i];
655 g_assert (pos == to->in_count - 1);
661 * mono_bblocks_linked:
663 * Return whenever BB1 and BB2 are linked in the CFG.
666 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
670 for (i = 0; i < bb1->out_count; ++i) {
671 if (bb1->out_bb [i] == bb2)
679 mono_find_block_region_notry (MonoCompile *cfg, int offset)
681 MonoMethodHeader *header = cfg->header;
682 MonoExceptionClause *clause;
685 for (i = 0; i < header->num_clauses; ++i) {
686 clause = &header->clauses [i];
687 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
688 (offset < (clause->handler_offset)))
689 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
691 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
692 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
693 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
694 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
695 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
697 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
705 * mono_get_block_region_notry:
707 * Return the region corresponding to REGION, ignoring try clauses nested inside
711 mono_get_block_region_notry (MonoCompile *cfg, int region)
713 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
714 MonoMethodHeader *header = cfg->header;
717 * This can happen if a try clause is nested inside a finally clause.
719 int clause_index = (region >> 8) - 1;
720 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
722 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
729 mono_find_spvar_for_region (MonoCompile *cfg, int region)
731 region = mono_get_block_region_notry (cfg, region);
733 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
737 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
741 array [*dfn] = start;
742 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
743 for (i = 0; i < start->out_count; ++i) {
744 if (start->out_bb [i]->dfn)
747 start->out_bb [i]->dfn = *dfn;
748 start->out_bb [i]->df_parent = start;
749 array [*dfn] = start->out_bb [i];
750 df_visit (start->out_bb [i], dfn, array);
755 mono_reverse_branch_op (guint32 opcode)
757 static const int reverse_map [] = {
758 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
759 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
761 static const int reverse_fmap [] = {
762 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
763 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
765 static const int reverse_lmap [] = {
766 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
767 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
769 static const int reverse_imap [] = {
770 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
771 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
774 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
775 opcode = reverse_map [opcode - CEE_BEQ];
776 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
777 opcode = reverse_fmap [opcode - OP_FBEQ];
778 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
779 opcode = reverse_lmap [opcode - OP_LBEQ];
780 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
781 opcode = reverse_imap [opcode - OP_IBEQ];
783 g_assert_not_reached ();
789 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
792 return OP_STORE_MEMBASE_REG;
795 switch (type->type) {
798 case MONO_TYPE_BOOLEAN:
799 return OP_STOREI1_MEMBASE_REG;
803 return OP_STOREI2_MEMBASE_REG;
806 return OP_STOREI4_MEMBASE_REG;
810 case MONO_TYPE_FNPTR:
811 return OP_STORE_MEMBASE_REG;
812 case MONO_TYPE_CLASS:
813 case MONO_TYPE_STRING:
814 case MONO_TYPE_OBJECT:
815 case MONO_TYPE_SZARRAY:
816 case MONO_TYPE_ARRAY:
817 return OP_STORE_MEMBASE_REG;
820 return OP_STOREI8_MEMBASE_REG;
822 return OP_STORER4_MEMBASE_REG;
824 return OP_STORER8_MEMBASE_REG;
825 case MONO_TYPE_VALUETYPE:
826 if (type->data.klass->enumtype) {
827 type = mono_class_enum_basetype (type->data.klass);
830 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
831 return OP_STOREX_MEMBASE;
832 return OP_STOREV_MEMBASE;
833 case MONO_TYPE_TYPEDBYREF:
834 return OP_STOREV_MEMBASE;
835 case MONO_TYPE_GENERICINST:
836 type = &type->data.generic_class->container_class->byval_arg;
840 /* FIXME: all the arguments must be references for now,
841 * later look inside cfg and see if the arg num is
844 g_assert (cfg->generic_sharing_context);
845 return OP_STORE_MEMBASE_REG;
847 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
853 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
856 return OP_LOAD_MEMBASE;
858 type = mono_type_get_underlying_type (type);
860 switch (type->type) {
862 return OP_LOADI1_MEMBASE;
864 case MONO_TYPE_BOOLEAN:
865 return OP_LOADU1_MEMBASE;
867 return OP_LOADI2_MEMBASE;
870 return OP_LOADU2_MEMBASE;
872 return OP_LOADI4_MEMBASE;
874 return OP_LOADU4_MEMBASE;
878 case MONO_TYPE_FNPTR:
879 return OP_LOAD_MEMBASE;
880 case MONO_TYPE_CLASS:
881 case MONO_TYPE_STRING:
882 case MONO_TYPE_OBJECT:
883 case MONO_TYPE_SZARRAY:
884 case MONO_TYPE_ARRAY:
885 return OP_LOAD_MEMBASE;
888 return OP_LOADI8_MEMBASE;
890 return OP_LOADR4_MEMBASE;
892 return OP_LOADR8_MEMBASE;
893 case MONO_TYPE_VALUETYPE:
894 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
895 return OP_LOADX_MEMBASE;
896 case MONO_TYPE_TYPEDBYREF:
897 return OP_LOADV_MEMBASE;
898 case MONO_TYPE_GENERICINST:
899 if (mono_type_generic_inst_is_valuetype (type))
900 return OP_LOADV_MEMBASE;
902 return OP_LOAD_MEMBASE;
906 /* FIXME: all the arguments must be references for now,
907 * later look inside cfg and see if the arg num is
910 g_assert (cfg->generic_sharing_context);
911 return OP_LOAD_MEMBASE;
913 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
919 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
921 if (cfg->generic_sharing_context && !type->byref) {
922 /* FIXME: all the arguments must be references for now,
923 * later look inside cfg and see if the arg num is
926 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
927 return CEE_LDIND_REF;
929 return mono_type_to_ldind (type);
933 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
935 if (cfg->generic_sharing_context && !type->byref) {
936 /* FIXME: all the arguments must be references for now,
937 * later look inside cfg and see if the arg num is
940 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
941 return CEE_STIND_REF;
943 return mono_type_to_stind (type);
947 mono_op_imm_to_op (int opcode)
951 #if SIZEOF_REGISTER == 4
967 #if SIZEOF_REGISTER == 4
973 #if SIZEOF_REGISTER == 4
979 #if SIZEOF_REGISTER == 4
1004 case OP_ISHR_UN_IMM:
1006 case OP_LSHR_UN_IMM:
1010 case OP_IDIV_UN_IMM:
1012 case OP_IREM_UN_IMM:
1017 #if SIZEOF_REGISTER == 4
1023 #if SIZEOF_REGISTER == 4
1040 case OP_COMPARE_IMM:
1042 case OP_ICOMPARE_IMM:
1044 case OP_LOCALLOC_IMM:
1047 printf ("%s\n", mono_inst_name (opcode));
1048 g_assert_not_reached ();
1054 * mono_decompose_op_imm:
1056 * Replace the OP_.._IMM INS with its non IMM variant.
1059 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1063 MONO_INST_NEW (cfg, temp, OP_ICONST);
1064 temp->inst_c0 = ins->inst_imm;
1065 temp->dreg = mono_alloc_ireg (cfg);
1066 mono_bblock_insert_before_ins (bb, ins, temp);
1067 ins->opcode = mono_op_imm_to_op (ins->opcode);
1068 if (ins->opcode == OP_LOCALLOC)
1069 ins->sreg1 = temp->dreg;
1071 ins->sreg2 = temp->dreg;
1073 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1077 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1079 if (vreg >= cfg->vreg_to_inst_len) {
1080 MonoInst **tmp = cfg->vreg_to_inst;
1081 int size = cfg->vreg_to_inst_len;
1083 while (vreg >= cfg->vreg_to_inst_len)
1084 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1085 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1087 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1089 cfg->vreg_to_inst [vreg] = inst;
1092 #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)))
1093 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1098 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1106 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1109 int num = cfg->num_varinfo;
1112 if ((num + 1) >= cfg->varinfo_count) {
1113 int orig_count = cfg->varinfo_count;
1114 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1115 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1116 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1117 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1120 mono_jit_stats.allocate_var++;
1122 MONO_INST_NEW (cfg, inst, opcode);
1123 inst->inst_c0 = num;
1124 inst->inst_vtype = type;
1125 inst->klass = mono_class_from_mono_type (type);
1126 type_to_eval_stack_type (cfg, type, inst);
1127 /* if set to 1 the variable is native */
1128 inst->backend.is_pinvoke = 0;
1131 cfg->varinfo [num] = inst;
1133 MONO_INIT_VARINFO (&cfg->vars [num], num);
1134 MONO_VARINFO (cfg, num)->vreg = vreg;
1137 set_vreg_to_inst (cfg, vreg, inst);
1139 #if SIZEOF_REGISTER == 4
1140 #ifdef MONO_ARCH_SOFT_FLOAT
1141 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1143 regpair = mono_type_is_long (type);
1153 * These two cannot be allocated using create_var_for_vreg since that would
1154 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1158 * Set flags to VOLATILE so SSA skips it.
1161 if (cfg->verbose_level >= 4) {
1162 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1165 #ifdef MONO_ARCH_SOFT_FLOAT
1166 if (cfg->opt & MONO_OPT_SSA) {
1167 if (mono_type_is_float (type))
1168 inst->flags = MONO_INST_VOLATILE;
1172 /* Allocate a dummy MonoInst for the first vreg */
1173 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1174 tree->dreg = inst->dreg + 1;
1175 if (cfg->opt & MONO_OPT_SSA)
1176 tree->flags = MONO_INST_VOLATILE;
1177 tree->inst_c0 = num;
1178 tree->type = STACK_I4;
1179 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1180 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1182 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1184 /* Allocate a dummy MonoInst for the second vreg */
1185 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1186 tree->dreg = inst->dreg + 2;
1187 if (cfg->opt & MONO_OPT_SSA)
1188 tree->flags = MONO_INST_VOLATILE;
1189 tree->inst_c0 = num;
1190 tree->type = STACK_I4;
1191 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1192 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1194 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1198 if (cfg->verbose_level > 2)
1199 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1204 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1208 if (mono_type_is_long (type))
1209 dreg = mono_alloc_dreg (cfg, STACK_I8);
1210 #ifdef MONO_ARCH_SOFT_FLOAT
1211 else if (mono_type_is_float (type))
1212 dreg = mono_alloc_dreg (cfg, STACK_R8);
1215 /* All the others are unified */
1216 dreg = mono_alloc_preg (cfg);
1218 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1222 * Transform a MonoInst into a load from the variable of index var_index.
1225 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1226 memset (dest, 0, sizeof (MonoInst));
1227 dest->inst_i0 = cfg->varinfo [var_index];
1228 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1229 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1230 dest->klass = dest->inst_i0->klass;
1236 type_from_stack_type (MonoInst *ins) {
1237 switch (ins->type) {
1238 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1239 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1240 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1241 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1244 * this if used to be commented without any specific reason, but
1245 * it breaks #80235 when commented
1248 return &ins->klass->this_arg;
1250 return &mono_defaults.object_class->this_arg;
1252 /* ins->klass may not be set for ldnull.
1253 * Also, if we have a boxed valuetype, we want an object lass,
1254 * not the valuetype class
1256 if (ins->klass && !ins->klass->valuetype)
1257 return &ins->klass->byval_arg;
1258 return &mono_defaults.object_class->byval_arg;
1259 case STACK_VTYPE: return &ins->klass->byval_arg;
1261 g_error ("stack type %d to montype not handled\n", ins->type);
1267 mono_type_from_stack_type (MonoInst *ins) {
1268 return type_from_stack_type (ins);
1272 * mono_add_ins_to_end:
1274 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1277 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1282 MONO_ADD_INS (bb, inst);
1286 switch (bb->last_ins->opcode) {
1300 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1303 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1304 /* Need to insert the ins before the compare */
1305 if (bb->code == bb->last_ins) {
1306 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1310 if (bb->code->next == bb->last_ins) {
1311 /* Only two instructions */
1312 opcode = bb->code->opcode;
1314 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)) {
1316 mono_bblock_insert_before_ins (bb, bb->code, inst);
1318 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1321 opcode = bb->last_ins->prev->opcode;
1323 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)) {
1325 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1327 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1332 MONO_ADD_INS (bb, inst);
1338 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1340 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1341 MonoJumpInfoBBTable *table;
1343 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1345 table->table_size = num_blocks;
1347 ji->ip.label = label;
1348 ji->type = MONO_PATCH_INFO_SWITCH;
1349 ji->data.table = table;
1350 ji->next = cfg->patch_info;
1351 cfg->patch_info = ji;
1354 static MonoMethodSignature *
1355 mono_get_array_new_va_signature (int arity)
1357 static GHashTable *sighash = NULL;
1358 MonoMethodSignature *res;
1363 sighash = g_hash_table_new (NULL, NULL);
1365 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1370 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1373 #ifdef MONO_ARCH_VARARG_ICALLS
1374 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1375 res->call_convention = MONO_CALL_VARARG;
1379 res->call_convention = MONO_CALL_C;
1382 res->params [0] = &mono_defaults.int_class->byval_arg;
1383 for (i = 0; i < arity; i++)
1384 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1386 res->ret = &mono_defaults.object_class->byval_arg;
1388 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1395 mono_get_array_new_va_icall (int rank)
1397 MonoMethodSignature *esig;
1398 char icall_name [256];
1400 MonoJitICallInfo *info;
1402 /* Need to register the icall so it gets an icall wrapper */
1403 sprintf (icall_name, "ves_array_new_va_%d", rank);
1406 info = mono_find_jit_icall_by_name (icall_name);
1408 esig = mono_get_array_new_va_signature (rank);
1409 name = g_strdup (icall_name);
1410 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1412 g_hash_table_insert (jit_icall_name_hash, name, name);
1420 mini_class_is_system_array (MonoClass *klass)
1422 if (klass->parent == mono_defaults.array_class)
1429 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1431 MonoAssembly *assembly = method->klass->image->assembly;
1432 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1434 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1436 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1438 return mono_assembly_has_skip_verification (assembly);
1442 * mini_method_verify:
1444 * Verify the method using the new verfier.
1446 * Returns true if the method is invalid.
1449 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1452 gboolean is_fulltrust;
1453 MonoLoaderError *error;
1455 if (method->verification_success)
1458 is_fulltrust = mono_verifier_is_method_full_trust (method);
1460 if (!mono_verifier_is_enabled_for_method (method))
1463 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility);
1465 if ((error = mono_loader_get_last_error ())) {
1467 cfg->exception_type = error->exception_type;
1469 mono_loader_clear_error ();
1471 mono_free_verify_list (res);
1476 for (tmp = res; tmp; tmp = tmp->next) {
1477 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1478 if (info->info.status == MONO_VERIFY_ERROR) {
1480 char *method_name = mono_method_full_name (method, TRUE);
1481 cfg->exception_type = info->exception_type;
1482 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1483 g_free (method_name);
1485 mono_free_verify_list (res);
1488 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1490 char *method_name = mono_method_full_name (method, TRUE);
1491 cfg->exception_type = info->exception_type;
1492 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1493 g_free (method_name);
1495 mono_free_verify_list (res);
1499 mono_free_verify_list (res);
1501 method->verification_success = 1;
1505 /*Returns true if something went wrong*/
1507 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1509 MonoMethod *method_definition = method;
1510 gboolean dont_verify = mini_assembly_can_skip_verification (cfg->domain, method);
1511 dont_verify |= method->klass->image->assembly->corlib_internal;
1513 while (method_definition->is_inflated) {
1514 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1515 method_definition = imethod->declaring;
1518 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1521 static gconstpointer
1522 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1525 MonoMethod *wrapper;
1526 gconstpointer trampoline;
1527 MonoDomain *domain = mono_get_root_domain ();
1529 if (callinfo->wrapper) {
1530 return callinfo->wrapper;
1533 if (callinfo->trampoline)
1534 return callinfo->trampoline;
1537 * We use the lock on the root domain instead of the JIT lock to protect
1538 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1540 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1541 mono_domain_lock (domain);
1543 if (callinfo->trampoline) {
1544 mono_domain_unlock (domain);
1545 mono_loader_unlock ();
1546 return callinfo->trampoline;
1549 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1550 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1554 trampoline = mono_compile_method (wrapper);
1556 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1557 mono_register_jit_icall_wrapper (callinfo, trampoline);
1559 callinfo->trampoline = trampoline;
1561 mono_domain_unlock (domain);
1562 mono_loader_unlock ();
1564 return callinfo->trampoline;
1568 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1570 return mono_icall_get_wrapper_full (callinfo, FALSE);
1574 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1576 if (!domain_jit_info (domain)->dynamic_code_hash)
1577 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1578 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1581 static MonoJitDynamicMethodInfo*
1582 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1584 MonoJitDynamicMethodInfo *res;
1586 if (domain_jit_info (domain)->dynamic_code_hash)
1587 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1595 GList *active, *inactive;
1600 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1602 MonoMethodVar *v1 = (MonoMethodVar*)a;
1603 MonoMethodVar *v2 = (MonoMethodVar*)b;
1607 else if (v1->interval->range && v2->interval->range)
1608 return v1->interval->range->from - v2->interval->range->from;
1609 else if (v1->interval->range)
1618 #define LSCAN_DEBUG(a) do { a; } while (0)
1620 #define LSCAN_DEBUG(a)
1624 mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1626 int i, slot, offset, size;
1631 GList *vars = NULL, *l, *unhandled;
1632 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1635 gboolean reuse_slot;
1637 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1639 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1640 vtype_stack_slots = NULL;
1643 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1644 for (i = 0; i < cfg->num_varinfo; ++i)
1647 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1648 inst = cfg->varinfo [i];
1649 vmv = MONO_VARINFO (cfg, i);
1651 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1654 vars = g_list_prepend (vars, vmv);
1657 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1662 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1663 MonoMethodVar *current = unhandled->data;
1665 if (current->interval->range) {
1666 g_assert (current->interval->range->from >= i);
1667 i = current->interval->range->from;
1674 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1675 MonoMethodVar *current = unhandled->data;
1678 inst = cfg->varinfo [vmv->idx];
1680 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1681 * pinvoke wrappers when they call functions returning structures */
1682 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1683 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1688 size = mono_type_size (inst->inst_vtype, &ialign);
1691 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1696 if (cfg->disable_reuse_stack_slots)
1699 t = mono_type_get_underlying_type (inst->inst_vtype);
1701 case MONO_TYPE_GENERICINST:
1702 if (!mono_type_generic_inst_is_valuetype (t)) {
1703 slot_info = &scalar_stack_slots [t->type];
1707 case MONO_TYPE_VALUETYPE:
1708 if (!vtype_stack_slots)
1709 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1710 for (i = 0; i < nvtypes; ++i)
1711 if (t->data.klass == vtype_stack_slots [i].vtype)
1714 slot_info = &vtype_stack_slots [i];
1716 g_assert (nvtypes < 256);
1717 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1718 slot_info = &vtype_stack_slots [nvtypes];
1721 if (cfg->disable_reuse_ref_stack_slots)
1728 #if SIZEOF_VOID_P == 4
1733 if (cfg->disable_ref_noref_stack_slot_share) {
1734 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1739 case MONO_TYPE_CLASS:
1740 case MONO_TYPE_OBJECT:
1741 case MONO_TYPE_ARRAY:
1742 case MONO_TYPE_SZARRAY:
1743 case MONO_TYPE_STRING:
1744 /* Share non-float stack slots of the same size */
1745 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1746 if (cfg->disable_reuse_ref_stack_slots)
1751 slot_info = &scalar_stack_slots [t->type];
1755 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1759 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1761 if (!current->interval->range) {
1762 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1766 inst->flags |= MONO_INST_IS_DEAD;
1771 pos = current->interval->range->from;
1773 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1774 if (current->interval->range)
1775 LSCAN_DEBUG (mono_linterval_print (current->interval));
1776 LSCAN_DEBUG (printf ("\n"));
1778 /* Check for intervals in active which expired or inactive */
1780 /* FIXME: Optimize this */
1783 for (l = slot_info->active; l != NULL; l = l->next) {
1784 MonoMethodVar *v = (MonoMethodVar*)l->data;
1786 if (v->interval->last_range->to < pos) {
1787 slot_info->active = g_list_delete_link (slot_info->active, l);
1788 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1789 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1793 else if (!mono_linterval_covers (v->interval, pos)) {
1794 slot_info->inactive = g_list_append (slot_info->inactive, v);
1795 slot_info->active = g_list_delete_link (slot_info->active, l);
1796 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1803 /* Check for intervals in inactive which expired or active */
1805 /* FIXME: Optimize this */
1808 for (l = slot_info->inactive; l != NULL; l = l->next) {
1809 MonoMethodVar *v = (MonoMethodVar*)l->data;
1811 if (v->interval->last_range->to < pos) {
1812 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1813 // FIXME: Enabling this seems to cause impossible to debug crashes
1814 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1815 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1819 else if (mono_linterval_covers (v->interval, pos)) {
1820 slot_info->active = g_list_append (slot_info->active, v);
1821 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1822 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1830 * This also handles the case when the variable is used in an
1831 * exception region, as liveness info is not computed there.
1834 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1837 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1838 if (slot_info->slots) {
1839 slot = GPOINTER_TO_INT (slot_info->slots->data);
1841 slot_info->slots = slot_info->slots->next;
1844 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1846 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1852 static int count = 0;
1855 if (count == atoi (getenv ("COUNT3")))
1856 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1857 if (count > atoi (getenv ("COUNT3")))
1860 mono_print_ins (inst);
1865 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1870 if (slot == 0xffffff) {
1872 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1873 * efficient copying (and to work around the fact that OP_MEMCPY
1874 * and OP_MEMSET ignores alignment).
1876 if (MONO_TYPE_ISSTRUCT (t)) {
1877 align = MAX (align, sizeof (gpointer));
1878 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1883 offset += align - 1;
1884 offset &= ~(align - 1);
1888 offset += align - 1;
1889 offset &= ~(align - 1);
1894 if (*stack_align == 0)
1895 *stack_align = align;
1898 offsets [vmv->idx] = slot;
1901 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1902 if (scalar_stack_slots [i].active)
1903 g_list_free (scalar_stack_slots [i].active);
1905 for (i = 0; i < nvtypes; ++i) {
1906 if (vtype_stack_slots [i].active)
1907 g_list_free (vtype_stack_slots [i].active);
1910 mono_jit_stats.locals_stack_size += offset;
1912 *stack_size = offset;
1917 * mono_allocate_stack_slots_full:
1919 * Allocate stack slots for all non register allocated variables using a
1920 * linear scan algorithm.
1921 * Returns: an array of stack offsets.
1922 * STACK_SIZE is set to the amount of stack space needed.
1923 * STACK_ALIGN is set to the alignment needed by the locals area.
1926 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1928 int i, slot, offset, size;
1933 GList *vars = NULL, *l;
1934 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1937 gboolean reuse_slot;
1939 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1940 return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
1942 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1943 vtype_stack_slots = NULL;
1946 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1947 for (i = 0; i < cfg->num_varinfo; ++i)
1950 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1951 inst = cfg->varinfo [i];
1952 vmv = MONO_VARINFO (cfg, i);
1954 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1957 vars = g_list_prepend (vars, vmv);
1960 vars = mono_varlist_sort (cfg, vars, 0);
1962 *stack_align = sizeof(mgreg_t);
1963 for (l = vars; l; l = l->next) {
1965 inst = cfg->varinfo [vmv->idx];
1967 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1968 * pinvoke wrappers when they call functions returning structures */
1969 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1970 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1974 size = mono_type_size (inst->inst_vtype, &ialign);
1977 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1982 if (cfg->disable_reuse_stack_slots)
1985 t = mono_type_get_underlying_type (inst->inst_vtype);
1987 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1990 case MONO_TYPE_GENERICINST:
1991 if (!mono_type_generic_inst_is_valuetype (t)) {
1992 slot_info = &scalar_stack_slots [t->type];
1996 case MONO_TYPE_VALUETYPE:
1997 if (!vtype_stack_slots)
1998 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1999 for (i = 0; i < nvtypes; ++i)
2000 if (t->data.klass == vtype_stack_slots [i].vtype)
2003 slot_info = &vtype_stack_slots [i];
2005 g_assert (nvtypes < 256);
2006 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2007 slot_info = &vtype_stack_slots [nvtypes];
2010 if (cfg->disable_reuse_ref_stack_slots)
2017 #if SIZEOF_VOID_P == 4
2022 if (cfg->disable_ref_noref_stack_slot_share) {
2023 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2028 case MONO_TYPE_CLASS:
2029 case MONO_TYPE_OBJECT:
2030 case MONO_TYPE_ARRAY:
2031 case MONO_TYPE_SZARRAY:
2032 case MONO_TYPE_STRING:
2033 /* Share non-float stack slots of the same size */
2034 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2035 if (cfg->disable_reuse_ref_stack_slots)
2040 slot_info = &scalar_stack_slots [t->type];
2045 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2046 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2048 /* expire old intervals in active */
2049 while (slot_info->active) {
2050 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2052 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2055 //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);
2057 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2058 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2062 * This also handles the case when the variable is used in an
2063 * exception region, as liveness info is not computed there.
2066 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2069 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2070 if (slot_info->slots) {
2071 slot = GPOINTER_TO_INT (slot_info->slots->data);
2073 slot_info->slots = slot_info->slots->next;
2076 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2081 static int count = 0;
2085 if (count == atoi (getenv ("COUNT")))
2086 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2087 if (count > atoi (getenv ("COUNT")))
2090 mono_print_ins (inst);
2098 if (slot == 0xffffff) {
2100 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2101 * efficient copying (and to work around the fact that OP_MEMCPY
2102 * and OP_MEMSET ignores alignment).
2104 if (MONO_TYPE_ISSTRUCT (t)) {
2105 align = MAX (align, sizeof (gpointer));
2106 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2108 * Align the size too so the code generated for passing vtypes in
2109 * registers doesn't overwrite random locals.
2111 size = (size + (align - 1)) & ~(align -1);
2116 offset += align - 1;
2117 offset &= ~(align - 1);
2121 offset += align - 1;
2122 offset &= ~(align - 1);
2127 *stack_align = MAX (*stack_align, align);
2130 offsets [vmv->idx] = slot;
2133 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2134 if (scalar_stack_slots [i].active)
2135 g_list_free (scalar_stack_slots [i].active);
2137 for (i = 0; i < nvtypes; ++i) {
2138 if (vtype_stack_slots [i].active)
2139 g_list_free (vtype_stack_slots [i].active);
2142 mono_jit_stats.locals_stack_size += offset;
2144 *stack_size = offset;
2151 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2153 g_assert_not_reached ();
2157 #endif /* DISABLE_JIT */
2160 mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align)
2162 return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align);
2165 #define EMUL_HIT_SHIFT 3
2166 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2167 /* small hit bitmap cache */
2168 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2169 static short emul_opcode_num = 0;
2170 static short emul_opcode_alloced = 0;
2171 static short *emul_opcode_opcodes = NULL;
2172 static MonoJitICallInfo **emul_opcode_map = NULL;
2175 mono_find_jit_opcode_emulation (int opcode)
2177 g_assert (opcode >= 0 && opcode <= OP_LAST);
2178 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2180 for (i = 0; i < emul_opcode_num; ++i) {
2181 if (emul_opcode_opcodes [i] == opcode)
2182 return emul_opcode_map [i];
2189 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
2191 MonoJitICallInfo *info;
2192 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2194 g_assert (!sig->hasthis);
2195 g_assert (sig->param_count < 3);
2197 info = mono_register_jit_icall (func, name, sig, no_throw);
2199 if (emul_opcode_num >= emul_opcode_alloced) {
2200 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2201 emul_opcode_alloced += incr;
2202 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2203 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2205 emul_opcode_map [emul_opcode_num] = info;
2206 emul_opcode_opcodes [emul_opcode_num] = opcode;
2208 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2212 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2214 MonoMethodSignature *sig;
2217 sig = mono_create_icall_signature (sigstr);
2221 mono_register_jit_icall (func, name, sig, save);
2225 print_dfn (MonoCompile *cfg) {
2232 char *method_name = mono_method_full_name (cfg->method, TRUE);
2233 g_print ("IR code for method %s\n", method_name);
2234 g_free (method_name);
2237 for (i = 0; i < cfg->num_bblocks; ++i) {
2238 bb = cfg->bblocks [i];
2239 /*if (bb->cil_code) {
2240 char* code1, *code2;
2241 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2242 if (bb->last_ins->cil_code)
2243 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2245 code2 = g_strdup ("");
2247 code1 [strlen (code1) - 1] = 0;
2248 code = g_strdup_printf ("%s -> %s", code1, code2);
2252 code = g_strdup ("\n");
2253 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2254 MONO_BB_FOR_EACH_INS (bb, c) {
2255 mono_print_ins_index (-1, c);
2258 g_print ("\tprev:");
2259 for (j = 0; j < bb->in_count; ++j) {
2260 g_print (" BB%d", bb->in_bb [j]->block_num);
2262 g_print ("\t\tsucc:");
2263 for (j = 0; j < bb->out_count; ++j) {
2264 g_print (" BB%d", bb->out_bb [j]->block_num);
2266 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2269 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2272 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2274 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2282 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2284 MONO_ADD_INS (bb, inst);
2288 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2292 bb->code = ins_to_insert;
2294 /* Link with next */
2295 ins_to_insert->next = ins;
2297 ins->prev = ins_to_insert;
2299 if (bb->last_ins == NULL)
2300 bb->last_ins = ins_to_insert;
2302 /* Link with next */
2303 ins_to_insert->next = ins->next;
2305 ins->next->prev = ins_to_insert;
2307 /* Link with previous */
2308 ins->next = ins_to_insert;
2309 ins_to_insert->prev = ins;
2311 if (bb->last_ins == ins)
2312 bb->last_ins = ins_to_insert;
2317 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2322 ins->prev = ins_to_insert;
2323 bb->code = ins_to_insert;
2324 ins_to_insert->next = ins;
2325 if (bb->last_ins == NULL)
2326 bb->last_ins = ins_to_insert;
2328 /* Link with previous */
2330 ins->prev->next = ins_to_insert;
2331 ins_to_insert->prev = ins->prev;
2333 /* Link with next */
2334 ins->prev = ins_to_insert;
2335 ins_to_insert->next = ins;
2337 if (bb->code == ins)
2338 bb->code = ins_to_insert;
2343 * mono_verify_bblock:
2345 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2348 mono_verify_bblock (MonoBasicBlock *bb)
2350 MonoInst *ins, *prev;
2353 for (ins = bb->code; ins; ins = ins->next) {
2354 g_assert (ins->prev == prev);
2358 g_assert (!bb->last_ins->next);
2364 * Perform consistency checks on the JIT data structures and the IR
2367 mono_verify_cfg (MonoCompile *cfg)
2371 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2372 mono_verify_bblock (bb);
2376 mono_destroy_compile (MonoCompile *cfg)
2381 mono_metadata_free_mh (cfg->header);
2382 //mono_mempool_stats (cfg->mempool);
2383 mono_free_loop_info (cfg);
2385 mono_regstate_free (cfg->rs);
2387 g_hash_table_destroy (cfg->spvars);
2389 g_hash_table_destroy (cfg->exvars);
2390 for (l = cfg->headers_to_free; l; l = l->next)
2391 mono_metadata_free_mh (l->data);
2392 g_list_free (cfg->ldstr_list);
2393 g_hash_table_destroy (cfg->token_info_hash);
2394 if (cfg->abs_patches)
2395 g_hash_table_destroy (cfg->abs_patches);
2396 mono_mempool_destroy (cfg->mempool);
2398 mono_debug_free_method (cfg);
2400 g_free (cfg->varinfo);
2402 g_free (cfg->exception_message);
2406 #ifdef MINI_HAVE_FAST_TLS
2407 MINI_FAST_TLS_DECLARE(mono_lmf_addr);
2408 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2410 * When this is defined, the current lmf is stored in this tls variable instead of in
2413 MINI_FAST_TLS_DECLARE(mono_lmf);
2418 mono_get_jit_tls_key (void)
2420 return mono_jit_tls_id;
2424 mono_get_jit_tls_offset (void)
2426 #ifdef MINI_HAVE_FAST_TLS
2428 MINI_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2436 mono_get_lmf_tls_offset (void)
2438 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2440 MINI_THREAD_VAR_OFFSET(mono_lmf,offset);
2448 mono_get_lmf_addr_tls_offset (void)
2451 MINI_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2458 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2459 return MINI_FAST_TLS_GET (mono_lmf);
2461 MonoJitTlsData *jit_tls;
2463 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2464 return jit_tls->lmf;
2466 g_assert_not_reached ();
2472 mono_get_lmf_addr (void)
2474 #ifdef MINI_HAVE_FAST_TLS
2475 return MINI_FAST_TLS_GET (mono_lmf_addr);
2477 MonoJitTlsData *jit_tls;
2479 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2480 return &jit_tls->lmf;
2483 * When resolving the call to mono_jit_thread_attach full-aot will look
2484 * in the plt, which causes a call into the generic trampoline, which in turn
2485 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2486 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2487 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2490 mono_jit_thread_attach (NULL);
2492 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2493 return &jit_tls->lmf;
2495 g_assert_not_reached ();
2501 mono_set_lmf (MonoLMF *lmf)
2503 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2504 MINI_FAST_TLS_SET (mono_lmf, lmf);
2507 (*mono_get_lmf_addr ()) = lmf;
2511 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2513 TlsSetValue (mono_jit_tls_id, jit_tls);
2515 #ifdef MINI_HAVE_FAST_TLS
2516 MINI_FAST_TLS_SET (mono_jit_tls, jit_tls);
2521 mono_set_lmf_addr (gpointer lmf_addr)
2523 #ifdef MINI_HAVE_FAST_TLS
2524 MINI_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2528 /* Called by native->managed wrappers */
2530 mono_jit_thread_attach (MonoDomain *domain)
2534 * Happens when called from AOTed code which is only used in the root
2537 domain = mono_get_root_domain ();
2539 #ifdef MINI_HAVE_FAST_TLS
2540 if (!MINI_FAST_TLS_GET (mono_lmf_addr)) {
2541 mono_thread_attach (domain);
2544 if (!TlsGetValue (mono_jit_tls_id))
2545 mono_thread_attach (domain);
2547 if (mono_domain_get () != domain)
2548 mono_domain_set (domain, TRUE);
2552 * mono_thread_abort:
2553 * @obj: exception object
2555 * abort the thread, print exception information and stack trace
2558 mono_thread_abort (MonoObject *obj)
2560 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2562 /* handle_remove should be eventually called for this thread, too
2565 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2566 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2567 mono_thread_exit ();
2569 exit (mono_environment_exitcode_get ());
2574 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2576 MonoJitTlsData *jit_tls;
2579 jit_tls = TlsGetValue (mono_jit_tls_id);
2583 jit_tls = g_new0 (MonoJitTlsData, 1);
2585 jit_tls->abort_func = abort_func;
2586 jit_tls->end_of_stack = stack_start;
2588 mono_set_jit_tls (jit_tls);
2590 lmf = g_new0 (MonoLMF, 1);
2591 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2593 jit_tls->first_lmf = lmf;
2595 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2596 /* jit_tls->lmf is unused */
2597 MINI_FAST_TLS_SET (mono_lmf, lmf);
2598 mono_set_lmf_addr (&mono_lmf);
2600 mono_set_lmf_addr (&jit_tls->lmf);
2605 mono_arch_setup_jit_tls_data (jit_tls);
2606 mono_setup_altstack (jit_tls);
2612 free_jit_tls_data (MonoJitTlsData *jit_tls)
2614 mono_arch_free_jit_tls_data (jit_tls);
2615 mono_free_altstack (jit_tls);
2617 g_free (jit_tls->first_lmf);
2622 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2624 MonoInternalThread *thread;
2625 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2626 thread = mono_thread_internal_current ();
2627 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2629 thread->jit_data = jit_tls;
2631 mono_arch_cpu_init ();
2634 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2637 mono_thread_abort_dummy (MonoObject *obj)
2639 if (mono_thread_attach_aborted_cb)
2640 mono_thread_attach_aborted_cb (obj);
2642 mono_thread_abort (obj);
2646 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2648 MonoInternalThread *thread;
2649 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2650 thread = mono_thread_internal_current ();
2651 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2653 thread->jit_data = jit_tls;
2654 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2655 mono_runtime_setup_stat_profiler ();
2657 mono_arch_cpu_init ();
2661 mini_thread_cleanup (MonoInternalThread *thread)
2663 MonoJitTlsData *jit_tls = thread->jit_data;
2666 mono_debugger_thread_cleanup (jit_tls);
2668 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2669 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2670 * not a trivial thing.
2672 * The current offender is mono_thread_manage which cleanup threads from the outside.
2674 if (thread == mono_thread_internal_current ()) {
2675 mono_set_lmf (NULL);
2676 mono_set_jit_tls (NULL);
2677 mono_set_lmf_addr (NULL);
2680 free_jit_tls_data (jit_tls);
2682 thread->jit_data = NULL;
2687 mono_create_tls_get (MonoCompile *cfg, int offset)
2689 #ifdef MONO_ARCH_HAVE_TLS_GET
2690 if (MONO_ARCH_HAVE_TLS_GET) {
2696 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2697 ins->dreg = mono_alloc_preg (cfg);
2698 ins->inst_offset = offset;
2706 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2708 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2712 mono_get_domain_intrinsic (MonoCompile* cfg)
2714 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2718 mono_get_thread_intrinsic (MonoCompile* cfg)
2720 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2724 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2726 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2730 ji->data.target = target;
2731 ji->next = cfg->patch_info;
2733 cfg->patch_info = ji;
2737 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2739 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2743 ji->data.target = target;
2750 mono_remove_patch_info (MonoCompile *cfg, int ip)
2752 MonoJumpInfo **ji = &cfg->patch_info;
2755 if ((*ji)->ip.i == ip)
2758 ji = &((*ji)->next);
2763 * mono_patch_info_dup_mp:
2765 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2768 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2770 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2771 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2773 switch (patch_info->type) {
2774 case MONO_PATCH_INFO_RVA:
2775 case MONO_PATCH_INFO_LDSTR:
2776 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2777 case MONO_PATCH_INFO_LDTOKEN:
2778 case MONO_PATCH_INFO_DECLSEC:
2779 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2780 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2782 case MONO_PATCH_INFO_SWITCH:
2783 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2784 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2785 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2786 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2788 case MONO_PATCH_INFO_RGCTX_FETCH:
2789 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2790 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2791 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2801 mono_patch_info_hash (gconstpointer data)
2803 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2806 case MONO_PATCH_INFO_RVA:
2807 case MONO_PATCH_INFO_LDSTR:
2808 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2809 case MONO_PATCH_INFO_LDTOKEN:
2810 case MONO_PATCH_INFO_DECLSEC:
2811 return (ji->type << 8) | ji->data.token->token;
2812 case MONO_PATCH_INFO_INTERNAL_METHOD:
2813 return (ji->type << 8) | g_str_hash (ji->data.name);
2814 case MONO_PATCH_INFO_VTABLE:
2815 case MONO_PATCH_INFO_CLASS:
2816 case MONO_PATCH_INFO_IID:
2817 case MONO_PATCH_INFO_ADJUSTED_IID:
2818 case MONO_PATCH_INFO_CLASS_INIT:
2819 case MONO_PATCH_INFO_METHODCONST:
2820 case MONO_PATCH_INFO_METHOD:
2821 case MONO_PATCH_INFO_METHOD_JUMP:
2822 case MONO_PATCH_INFO_IMAGE:
2823 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2824 case MONO_PATCH_INFO_FIELD:
2825 case MONO_PATCH_INFO_SFLDA:
2826 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2827 return (ji->type << 8) | (gssize)ji->data.target;
2829 return (ji->type << 8);
2834 * mono_patch_info_equal:
2836 * This might fail to recognize equivalent patches, i.e. floats, so its only
2837 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2841 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2843 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2844 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2846 if (ji1->type != ji2->type)
2849 switch (ji1->type) {
2850 case MONO_PATCH_INFO_RVA:
2851 case MONO_PATCH_INFO_LDSTR:
2852 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2853 case MONO_PATCH_INFO_LDTOKEN:
2854 case MONO_PATCH_INFO_DECLSEC:
2855 if ((ji1->data.token->image != ji2->data.token->image) ||
2856 (ji1->data.token->token != ji2->data.token->token) ||
2857 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2858 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2859 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2862 case MONO_PATCH_INFO_INTERNAL_METHOD:
2863 return g_str_equal (ji1->data.name, ji2->data.name);
2865 case MONO_PATCH_INFO_RGCTX_FETCH: {
2866 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2867 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2869 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);
2872 if (ji1->data.target != ji2->data.target)
2881 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2883 unsigned char *ip = patch_info->ip.i + code;
2884 gconstpointer target = NULL;
2886 switch (patch_info->type) {
2887 case MONO_PATCH_INFO_BB:
2889 * FIXME: This could be hit for methods without a prolog. Should use -1
2890 * but too much code depends on a 0 initial value.
2892 //g_assert (patch_info->data.bb->native_offset);
2893 target = patch_info->data.bb->native_offset + code;
2895 case MONO_PATCH_INFO_ABS:
2896 target = patch_info->data.target;
2898 case MONO_PATCH_INFO_LABEL:
2899 target = patch_info->data.inst->inst_c0 + code;
2901 case MONO_PATCH_INFO_IP:
2902 #if defined(__native_client__) && defined(__native_client_codegen__)
2903 /* Need to transform to the destination address, it's */
2904 /* emitted as an immediate in the code. */
2905 target = nacl_inverse_modify_patch_target(ip);
2910 case MONO_PATCH_INFO_METHOD_REL:
2911 target = code + patch_info->data.offset;
2913 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2914 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2916 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2917 g_assert_not_reached ();
2919 target = mono_icall_get_wrapper (mi);
2922 case MONO_PATCH_INFO_METHOD_JUMP:
2923 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2924 #if defined(__native_client__) && defined(__native_client_codegen__)
2925 #if defined(TARGET_AMD64)
2926 /* This target is an absolute address, not relative to the */
2927 /* current code being emitted on AMD64. */
2928 target = nacl_inverse_modify_patch_target(target);
2932 case MONO_PATCH_INFO_METHOD:
2933 if (patch_info->data.method == method) {
2936 /* get the trampoline to the method from the domain */
2937 target = mono_create_jit_trampoline (patch_info->data.method);
2940 case MONO_PATCH_INFO_SWITCH: {
2941 gpointer *jump_table;
2944 #if defined(__native_client__) && defined(__native_client_codegen__)
2945 /* This memory will leak, but we don't care if we're */
2946 /* not deleting JIT'd methods anyway */
2947 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
2949 if (method && method->dynamic) {
2950 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2952 if (mono_aot_only) {
2953 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2955 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2960 for (i = 0; i < patch_info->data.table->table_size; i++) {
2961 #if defined(__native_client__) && defined(__native_client_codegen__)
2962 /* 'code' is relative to the current code blob, we */
2963 /* need to do this transform on it to make the */
2964 /* pointers in this table absolute */
2965 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2967 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2971 #if defined(__native_client__) && defined(__native_client_codegen__)
2972 /* jump_table is in the data section, we need to transform */
2973 /* it here so when it gets modified in amd64_patch it will */
2974 /* then point back to the absolute data address */
2975 target = nacl_inverse_modify_patch_target (jump_table);
2977 target = jump_table;
2981 case MONO_PATCH_INFO_METHODCONST:
2982 case MONO_PATCH_INFO_CLASS:
2983 case MONO_PATCH_INFO_IMAGE:
2984 case MONO_PATCH_INFO_FIELD:
2985 target = patch_info->data.target;
2987 case MONO_PATCH_INFO_IID:
2988 mono_class_init (patch_info->data.klass);
2989 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
2991 case MONO_PATCH_INFO_ADJUSTED_IID:
2992 mono_class_init (patch_info->data.klass);
2993 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
2995 case MONO_PATCH_INFO_VTABLE:
2996 target = mono_class_vtable (domain, patch_info->data.klass);
2999 case MONO_PATCH_INFO_CLASS_INIT: {
3000 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3003 target = mono_create_class_init_trampoline (vtable);
3006 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3007 target = mono_create_delegate_trampoline (patch_info->data.klass);
3009 case MONO_PATCH_INFO_SFLDA: {
3010 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3012 if (mono_class_field_is_special_static (patch_info->data.field)) {
3013 gpointer addr = NULL;
3015 mono_domain_lock (domain);
3016 if (domain->special_static_fields)
3017 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3018 mono_domain_unlock (domain);
3024 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3025 /* Done by the generated code */
3029 mono_runtime_class_init (vtable);
3031 target = (char*)vtable->data + patch_info->data.field->offset;
3034 case MONO_PATCH_INFO_RVA: {
3035 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3038 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3039 target = mono_image_rva_map (patch_info->data.token->image, rva);
3042 case MONO_PATCH_INFO_R4:
3043 case MONO_PATCH_INFO_R8:
3044 target = patch_info->data.target;
3046 case MONO_PATCH_INFO_EXC_NAME:
3047 target = patch_info->data.name;
3049 case MONO_PATCH_INFO_LDSTR:
3051 mono_ldstr (domain, patch_info->data.token->image,
3052 mono_metadata_token_index (patch_info->data.token->token));
3054 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3056 MonoClass *handle_class;
3058 handle = mono_ldtoken (patch_info->data.token->image,
3059 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3060 mono_class_init (handle_class);
3061 mono_class_init (mono_class_from_mono_type (handle));
3064 mono_type_get_object (domain, handle);
3067 case MONO_PATCH_INFO_LDTOKEN: {
3069 MonoClass *handle_class;
3071 handle = mono_ldtoken (patch_info->data.token->image,
3072 patch_info->data.token->token, &handle_class, NULL);
3073 mono_class_init (handle_class);
3078 case MONO_PATCH_INFO_DECLSEC:
3079 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3081 case MONO_PATCH_INFO_ICALL_ADDR:
3082 /* run_cctors == 0 -> AOT */
3083 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3085 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
3087 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));
3092 target = mono_lookup_internal_call (patch_info->data.method);
3094 if (!target && run_cctors)
3095 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3098 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3099 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3101 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3102 g_assert_not_reached ();
3107 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3108 target = mono_thread_interruption_request_flag ();
3110 case MONO_PATCH_INFO_METHOD_RGCTX: {
3111 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3114 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3117 case MONO_PATCH_INFO_BB_OVF:
3118 case MONO_PATCH_INFO_EXC_OVF:
3119 case MONO_PATCH_INFO_GOT_OFFSET:
3120 case MONO_PATCH_INFO_NONE:
3122 case MONO_PATCH_INFO_RGCTX_FETCH: {
3123 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3126 switch (entry->data->type) {
3127 case MONO_PATCH_INFO_CLASS:
3128 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));
3130 case MONO_PATCH_INFO_METHOD:
3131 case MONO_PATCH_INFO_METHODCONST:
3132 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));
3134 case MONO_PATCH_INFO_FIELD:
3135 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));
3138 g_assert_not_reached ();
3142 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3145 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3146 target = mono_create_generic_class_init_trampoline ();
3148 case MONO_PATCH_INFO_MONITOR_ENTER:
3149 target = mono_create_monitor_enter_trampoline ();
3151 case MONO_PATCH_INFO_MONITOR_EXIT:
3152 target = mono_create_monitor_exit_trampoline ();
3154 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3155 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3157 /* AOT, not needed */
3160 target = mono_arch_get_seq_point_info (domain, code);
3163 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3164 #ifdef MONO_ARCH_LLVM_SUPPORTED
3165 g_assert (mono_use_llvm);
3166 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3168 g_assert_not_reached ();
3171 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3172 int card_table_shift_bits;
3173 gpointer card_table_mask;
3175 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3179 g_assert_not_reached ();
3182 return (gpointer)target;
3186 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3188 ins->inst_offset = native_offset;
3189 g_ptr_array_add (cfg->seq_points, ins);
3190 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3191 bb->last_seq_point = ins;
3197 mono_compile_create_vars (MonoCompile *cfg)
3199 MonoMethodSignature *sig;
3200 MonoMethodHeader *header;
3203 header = cfg->header;
3205 sig = mono_method_signature (cfg->method);
3207 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3208 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3209 /* Inhibit optimizations */
3210 cfg->ret->flags |= MONO_INST_VOLATILE;
3212 if (cfg->verbose_level > 2)
3213 g_print ("creating vars\n");
3215 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3218 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3220 for (i = 0; i < sig->param_count; ++i) {
3221 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3224 if (cfg->verbose_level > 2) {
3226 printf ("\treturn : ");
3227 mono_print_ins (cfg->ret);
3231 printf ("\tthis: ");
3232 mono_print_ins (cfg->args [0]);
3235 for (i = 0; i < sig->param_count; ++i) {
3236 printf ("\targ [%d]: ", i);
3237 mono_print_ins (cfg->args [i + sig->hasthis]);
3241 cfg->locals_start = cfg->num_varinfo;
3242 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3244 if (cfg->verbose_level > 2)
3245 g_print ("creating locals\n");
3247 for (i = 0; i < header->num_locals; ++i)
3248 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3250 if (cfg->verbose_level > 2)
3251 g_print ("locals done\n");
3253 mono_arch_create_vars (cfg);
3256 #endif /* #ifndef DISABLE_JIT */
3259 mono_print_code (MonoCompile *cfg, const char* msg)
3263 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3264 mono_print_bb (bb, msg);
3270 mono_postprocess_patches (MonoCompile *cfg)
3272 MonoJumpInfo *patch_info;
3275 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3276 switch (patch_info->type) {
3277 case MONO_PATCH_INFO_ABS: {
3278 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3281 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3285 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3286 // FIXME: CLEAN UP THIS MESS.
3287 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
3288 strstr (cfg->method->name, info->name)) {
3290 * This is an icall wrapper, and this is a call to the
3293 if (cfg->compile_aot) {
3294 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
3295 patch_info->data.name = info->name;
3298 /* for these array methods we currently register the same function pointer
3299 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3300 * will return the incorrect one depending on the order they are registered.
3301 * See tests/test-arr.cs
3303 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3304 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3305 patch_info->data.name = info->name;
3310 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3311 if (cfg->abs_patches) {
3312 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3314 patch_info->type = abs_ji->type;
3315 patch_info->data.target = abs_ji->data.target;
3322 case MONO_PATCH_INFO_SWITCH: {
3324 #if defined(__native_client__) && defined(__native_client_codegen__)
3325 /* This memory will leak. */
3326 /* TODO: can we free this when */
3327 /* making the final jump table? */
3328 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3330 if (cfg->method->dynamic) {
3331 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3333 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3337 for (i = 0; i < patch_info->data.table->table_size; i++) {
3338 /* Might be NULL if the switch is eliminated */
3339 if (patch_info->data.table->table [i]) {
3340 g_assert (patch_info->data.table->table [i]->native_offset);
3341 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3346 patch_info->data.table->table = (MonoBasicBlock**)table;
3349 case MONO_PATCH_INFO_METHOD_JUMP: {
3351 MonoDomain *domain = cfg->domain;
3352 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3353 #if defined(__native_client__) && defined(__native_client_codegen__)
3354 /* When this jump target gets evaluated, the method */
3355 /* will be installed in the dynamic code section, */
3356 /* not at the location of cfg->native_code. */
3357 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3360 mono_domain_lock (domain);
3361 if (!domain_jit_info (domain)->jump_target_hash)
3362 domain_jit_info (domain)->jump_target_hash = g_hash_table_new (NULL, NULL);
3363 list = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3364 list = g_slist_prepend (list, ip);
3365 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, list);
3366 mono_domain_unlock (domain);
3377 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3380 MonoBasicBlock *in_bb;
3382 for (i = 0; i < bb->in_count; ++i) {
3383 in_bb = bb->in_bb [i];
3385 if (in_bb->last_seq_point) {
3386 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));
3388 /* Have to look at its predecessors */
3390 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3396 mono_save_seq_point_info (MonoCompile *cfg)
3399 GSList *bb_seq_points, *l;
3401 MonoDomain *domain = cfg->domain;
3403 MonoSeqPointInfo *info;
3406 if (!cfg->seq_points)
3409 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3410 info->len = cfg->seq_points->len;
3411 for (i = 0; i < cfg->seq_points->len; ++i) {
3412 SeqPoint *sp = &info->seq_points [i];
3413 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3415 sp->il_offset = ins->inst_imm;
3416 sp->native_offset = ins->inst_offset;
3419 ins->backend.size = i;
3423 * For each sequence point, compute the list of sequence points immediately
3424 * following it, this is needed to implement 'step over' in the debugger agent.
3426 next = g_new0 (GSList*, cfg->seq_points->len);
3427 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3428 bb_seq_points = g_slist_reverse (bb->seq_points);
3430 for (l = bb_seq_points; l; l = l->next) {
3431 MonoInst *ins = l->data;
3433 if (!(ins->flags & MONO_INST_SINGLE_STEP_LOC))
3437 /* Link with the previous seq point in the same bb */
3438 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3440 /* Link with the last bb in the previous bblocks */
3441 collect_pred_seq_points (bb, ins, next, 0);
3448 if (cfg->verbose_level > 2) {
3449 printf ("\nSEQ POINT MAP: \n");
3452 for (i = 0; i < cfg->seq_points->len; ++i) {
3453 SeqPoint *sp = &info->seq_points [i];
3457 sp->next_len = g_slist_length (next [i]);
3458 sp->next = g_new (int, sp->next_len);
3460 if (cfg->verbose_level > 2 && next [i]) {
3461 printf ("\t0x%x ->", sp->il_offset);
3462 for (l = next [i]; l; l = l->next) {
3463 next_index = GPOINTER_TO_UINT (l->data);
3464 printf (" 0x%x", info->seq_points [next_index].il_offset);
3468 for (l = next [i]; l; l = l->next) {
3469 next_index = GPOINTER_TO_UINT (l->data);
3470 sp->next [j ++] = next_index;
3472 g_slist_free (next [i]);
3476 cfg->seq_point_info = info;
3478 // FIXME: dynamic methods
3479 if (!cfg->compile_aot) {
3480 mono_domain_lock (domain);
3481 // FIXME: How can the lookup succeed ?
3482 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3483 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3484 mono_domain_unlock (domain);
3487 g_ptr_array_free (cfg->seq_points, TRUE);
3488 cfg->seq_points = NULL;
3492 mono_codegen (MonoCompile *cfg)
3495 int max_epilog_size;
3498 #if defined(__native_client_codegen__) && defined(__native_client__)
3501 /* This keeps patch targets from being transformed during
3502 * ordinary method compilation, for local branches and jumps.
3504 nacl_allow_target_modification (FALSE);
3507 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3508 cfg->spill_count = 0;
3509 /* we reuse dfn here */
3510 /* bb->dfn = bb_count++; */
3512 mono_arch_lowering_pass (cfg, bb);
3514 if (cfg->opt & MONO_OPT_PEEPHOLE)
3515 mono_arch_peephole_pass_1 (cfg, bb);
3518 mono_local_regalloc (cfg, bb);
3520 if (cfg->opt & MONO_OPT_PEEPHOLE)
3521 mono_arch_peephole_pass_2 (cfg, bb);
3524 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3525 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3527 code = mono_arch_emit_prolog (cfg);
3529 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3530 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3532 cfg->code_len = code - cfg->native_code;
3533 cfg->prolog_end = cfg->code_len;
3535 mono_debug_open_method (cfg);
3537 /* emit code all basic blocks */
3538 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3539 bb->native_offset = cfg->code_len;
3540 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3541 mono_arch_output_basic_block (cfg, bb);
3542 bb->native_length = cfg->code_len - bb->native_offset;
3544 if (bb == cfg->bb_exit) {
3545 cfg->epilog_begin = cfg->code_len;
3547 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3548 code = cfg->native_code + cfg->code_len;
3549 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3550 cfg->code_len = code - cfg->native_code;
3551 g_assert (cfg->code_len < cfg->code_size);
3554 mono_arch_emit_epilog (cfg);
3558 #ifdef __native_client_codegen__
3559 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3561 mono_arch_emit_exceptions (cfg);
3563 max_epilog_size = 0;
3565 code = cfg->native_code + cfg->code_len;
3567 /* we always allocate code in cfg->domain->code_mp to increase locality */
3568 cfg->code_size = cfg->code_len + max_epilog_size;
3569 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3571 if (cfg->method->dynamic) {
3572 guint unwindlen = 0;
3573 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3574 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3576 /* Allocate the code into a separate memory pool so it can be freed */
3577 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3578 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3579 mono_domain_lock (cfg->domain);
3580 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3581 mono_domain_unlock (cfg->domain);
3583 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3585 guint unwindlen = 0;
3586 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3587 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3589 code = mono_domain_code_reserve (cfg->domain, cfg->code_size + unwindlen);
3591 #if defined(__native_client_codegen__) && defined(__native_client__)
3592 nacl_allow_target_modification (TRUE);
3595 memcpy (code, cfg->native_code, cfg->code_len);
3596 #if defined(__default_codegen__)
3597 g_free (cfg->native_code);
3598 #elif defined(__native_client_codegen__)
3599 if (cfg->native_code_alloc) {
3600 g_free (cfg->native_code_alloc);
3601 cfg->native_code_alloc = 0;
3603 else if (cfg->native_code) {
3604 g_free (cfg->native_code);
3606 #endif /* __native_client_codegen__ */
3607 cfg->native_code = code;
3608 code = cfg->native_code + cfg->code_len;
3610 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3611 mono_postprocess_patches (cfg);
3613 #ifdef VALGRIND_JIT_REGISTER_MAP
3614 if (valgrind_register){
3615 char* nm = mono_method_full_name (cfg->method, TRUE);
3616 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3621 if (cfg->verbose_level > 0) {
3622 char* nm = mono_method_full_name (cfg->method, TRUE);
3623 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3625 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3630 gboolean is_generic = FALSE;
3632 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3633 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3637 if (cfg->generic_sharing_context)
3638 g_assert (is_generic);
3641 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3642 mono_arch_save_unwind_info (cfg);
3645 #if defined(__native_client_codegen__) && defined(__native_client__)
3646 if (!cfg->compile_aot) {
3647 if (cfg->method->dynamic) {
3648 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
3650 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
3655 #if defined(__native_client_codegen__)
3656 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3659 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->run_cctors);
3661 if (cfg->method->dynamic) {
3662 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3664 mono_domain_code_commit (cfg->domain, cfg->native_code, cfg->code_size, cfg->code_len);
3666 #if defined(__native_client_codegen__) && defined(__native_client__)
3667 cfg->native_code = code_dest;
3669 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3671 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3673 mono_debug_close_method (cfg);
3675 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3676 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3681 compute_reachable (MonoBasicBlock *bb)
3685 if (!(bb->flags & BB_VISITED)) {
3686 bb->flags |= BB_VISITED;
3687 for (i = 0; i < bb->out_count; ++i)
3688 compute_reachable (bb->out_bb [i]);
3693 mono_handle_out_of_line_bblock (MonoCompile *cfg)
3696 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3697 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
3699 MONO_INST_NEW (cfg, ins, OP_BR);
3700 MONO_ADD_INS (bb, ins);
3701 ins->inst_target_bb = bb->next_bb;
3707 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3710 MonoMethodHeader *header;
3713 int generic_info_size;
3714 int holes_size = 0, num_holes = 0;
3716 g_assert (method_to_compile == cfg->method);
3717 header = cfg->header;
3719 if (cfg->generic_sharing_context)
3720 generic_info_size = sizeof (MonoGenericJitInfo);
3722 generic_info_size = 0;
3724 if (cfg->try_block_holes) {
3725 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3726 TryBlockHole *hole = tmp->data;
3727 MonoExceptionClause *ec = hole->clause;
3728 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
3729 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3730 g_assert (clause_last_bb);
3732 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3733 if (clause_last_bb->native_offset != hole_end)
3737 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
3738 if (G_UNLIKELY (cfg->verbose_level >= 4))
3739 printf ("Number of try block holes %d\n", num_holes);
3742 if (COMPILE_LLVM (cfg))
3743 num_clauses = cfg->llvm_ex_info_len;
3745 num_clauses = header->num_clauses;
3747 if (cfg->method->dynamic) {
3748 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
3749 generic_info_size + holes_size);
3751 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3752 (num_clauses * sizeof (MonoJitExceptionInfo)) +
3753 generic_info_size + holes_size);
3756 jinfo->method = cfg->method_to_register;
3757 jinfo->code_start = cfg->native_code;
3758 jinfo->code_size = cfg->code_len;
3759 jinfo->used_regs = cfg->used_int_regs;
3760 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3761 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3762 jinfo->num_clauses = num_clauses;
3763 if (COMPILE_LLVM (cfg))
3764 jinfo->from_llvm = TRUE;
3766 if (cfg->generic_sharing_context) {
3768 MonoGenericJitInfo *gi;
3770 jinfo->has_generic_jit_info = 1;
3772 gi = mono_jit_info_get_generic_jit_info (jinfo);
3775 gi->generic_sharing_context = cfg->generic_sharing_context;
3777 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3778 mini_method_get_context (method_to_compile)->method_inst ||
3779 method_to_compile->klass->valuetype) {
3780 g_assert (cfg->rgctx_var);
3785 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3786 mini_method_get_context (method_to_compile)->method_inst ||
3787 method_to_compile->klass->valuetype) {
3788 inst = cfg->rgctx_var;
3789 if (!COMPILE_LLVM (cfg))
3790 g_assert (inst->opcode == OP_REGOFFSET);
3792 inst = cfg->args [0];
3795 if (COMPILE_LLVM (cfg)) {
3796 g_assert (cfg->llvm_this_reg != -1);
3797 gi->this_in_reg = 0;
3798 gi->this_reg = cfg->llvm_this_reg;
3799 gi->this_offset = cfg->llvm_this_offset;
3800 } else if (inst->opcode == OP_REGVAR) {
3801 gi->this_in_reg = 1;
3802 gi->this_reg = inst->dreg;
3804 g_assert (inst->opcode == OP_REGOFFSET);
3806 g_assert (inst->inst_basereg == X86_EBP);
3807 #elif defined(TARGET_AMD64)
3808 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3810 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3812 gi->this_in_reg = 0;
3813 gi->this_reg = inst->inst_basereg;
3814 gi->this_offset = inst->inst_offset;
3819 MonoTryBlockHoleTableJitInfo *table;
3822 jinfo->has_try_block_holes = 1;
3823 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
3824 table->num_holes = (guint16)num_holes;
3826 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3827 guint32 start_bb_offset;
3828 MonoTryBlockHoleJitInfo *hole;
3829 TryBlockHole *hole_data = tmp->data;
3830 MonoExceptionClause *ec = hole_data->clause;
3831 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
3832 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3833 g_assert (clause_last_bb);
3835 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3836 if (clause_last_bb->native_offset == hole_end)
3839 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
3840 hole = &table->holes [i++];
3841 hole->clause = hole_data->clause - &header->clauses [0];
3842 hole->offset = (guint32)hole_data->start_offset;
3843 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
3845 if (G_UNLIKELY (cfg->verbose_level >= 4))
3846 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
3848 g_assert (i == num_holes);
3851 if (COMPILE_LLVM (cfg)) {
3853 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
3854 } else if (header->num_clauses) {
3857 for (i = 0; i < header->num_clauses; i++) {
3858 MonoExceptionClause *ec = &header->clauses [i];
3859 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3860 MonoBasicBlock *tblock;
3863 ei->flags = ec->flags;
3865 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3866 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3868 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3869 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3871 ei->data.filter = cfg->native_code + tblock->native_offset;
3873 ei->data.catch_class = ec->data.catch_class;
3876 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3878 g_assert (tblock->native_offset);
3879 ei->try_start = cfg->native_code + tblock->native_offset;
3880 if (tblock->extend_try_block) {
3882 * Extend the try block backwards to include parts of the previous call
3884 * FIXME: This is arch specific.
3886 ei->try_start = (guint8*)ei->try_start - 1;
3888 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3890 if (!tblock->native_offset) {
3892 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
3893 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
3894 if (bb && bb->native_offset) {
3900 ei->try_end = cfg->native_code + tblock->native_offset;
3901 g_assert (tblock->native_offset);
3902 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3904 ei->handler_start = cfg->native_code + tblock->native_offset;
3906 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3907 TryBlockHole *hole = tmp->data;
3908 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
3909 if (hole->clause == ec && hole_end == ei->try_end) {
3910 if (G_UNLIKELY (cfg->verbose_level >= 4))
3911 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
3913 ei->try_end = cfg->native_code + hole->start_offset;
3918 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
3920 if (ec->handler_offset + ec->handler_len < header->code_size) {
3921 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
3923 end_offset = tblock->native_offset;
3925 end_offset = cfg->epilog_begin;
3927 ei->data.handler_end = cfg->native_code + end_offset;
3932 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
3934 for (i = 0; i < jinfo->num_clauses; i++) {
3935 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3936 int start = (guint8*)ei->try_start - cfg->native_code;
3937 int end = (guint8*)ei->try_end - cfg->native_code;
3938 int handler = (guint8*)ei->handler_start - cfg->native_code;
3940 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
3945 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
3946 * using it during runtime, hence the define.
3948 #ifdef MONO_ARCH_HAVE_XP_UNWIND
3949 if (cfg->encoded_unwind_ops) {
3950 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
3951 g_free (cfg->encoded_unwind_ops);
3952 } else if (cfg->unwind_ops) {
3954 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
3956 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
3957 g_free (unwind_info);
3966 * mini_get_shared_method:
3968 * Return the method which is actually compiled/registered when doing generic sharing.
3971 mini_get_shared_method (MonoMethod *method)
3973 MonoGenericContext shared_context;
3974 MonoMethod *declaring_method, *res;
3976 gboolean partial = FALSE;
3978 if (method->is_generic || method->klass->generic_container)
3979 declaring_method = method;
3981 declaring_method = mono_method_get_declaring_generic_method (method);
3983 if (declaring_method->is_generic)
3984 shared_context = mono_method_get_generic_container (declaring_method)->context;
3986 shared_context = declaring_method->klass->generic_container->context;
3988 /* Handle partial sharing */
3989 if (method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE)) {
3990 MonoGenericContext *context = mono_method_get_context (method);
3991 MonoGenericInst *inst;
3992 MonoType **type_argv;
3995 * Create the shared context by replacing the ref type arguments with
3996 * type parameters, and keeping the rest.
3999 inst = context->class_inst;
4001 type_argv = g_new0 (MonoType*, inst->type_argc);
4002 for (i = 0; i < inst->type_argc; ++i) {
4003 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)
4004 type_argv [i] = shared_context.class_inst->type_argv [i];
4006 type_argv [i] = inst->type_argv [i];
4009 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4013 inst = context->method_inst;
4015 type_argv = g_new0 (MonoType*, inst->type_argc);
4016 for (i = 0; i < inst->type_argc; ++i) {
4017 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)
4018 type_argv [i] = shared_context.method_inst->type_argv [i];
4020 type_argv [i] = inst->type_argv [i];
4023 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4028 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4030 /* The result should be an inflated method whose parent is not inflated */
4031 g_assert (!res->klass->is_inflated);
4038 * mini_method_compile:
4039 * @method: the method to compile
4040 * @opts: the optimization flags to use
4041 * @domain: the domain where the method will be compiled in
4042 * @run_cctors: whether we should run type ctors if possible
4043 * @compile_aot: whether this is an AOT compilation
4044 * @parts: debug flag
4046 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4047 * field in the returned struct to see if compilation succeded.
4050 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4052 MonoMethodHeader *header;
4053 MonoMethodSignature *sig;
4057 int dfn, i, code_size_ratio;
4058 gboolean deadce_has_run = FALSE;
4059 gboolean try_generic_shared, try_llvm = FALSE;
4060 MonoMethod *method_to_compile, *method_to_register;
4062 mono_jit_stats.methods_compiled++;
4063 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4064 mono_profiler_method_jit (method);
4065 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
4066 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4070 * We might get passed the original generic method definition or
4071 * instances with type parameters.
4072 * FIXME: Remove the method->klass->generic_class limitation.
4074 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4075 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl (method, TRUE)));
4077 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4078 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
4080 if (opts & MONO_OPT_GSHARED) {
4081 if (try_generic_shared)
4082 mono_stats.generics_sharable_methods++;
4083 else if (mono_method_is_generic_impl (method))
4084 mono_stats.generics_unsharable_methods++;
4088 try_llvm = mono_use_llvm;
4092 if (try_generic_shared) {
4093 method_to_compile = mini_get_shared_method (method);
4094 g_assert (method_to_compile);
4096 method_to_compile = method;
4099 cfg = g_new0 (MonoCompile, 1);
4100 cfg->method = method_to_compile;
4101 cfg->header = mono_method_get_header (cfg->method);
4102 cfg->mempool = mono_mempool_new ();
4104 cfg->prof_options = mono_profiler_get_events ();
4105 cfg->run_cctors = run_cctors;
4106 cfg->domain = domain;
4107 cfg->verbose_level = mini_verbose;
4108 cfg->compile_aot = compile_aot;
4109 cfg->skip_visibility = method->skip_visibility;
4110 cfg->orig_method = method;
4111 cfg->gen_seq_points = debug_options.gen_seq_points;
4112 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4113 if (try_generic_shared)
4114 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
4115 cfg->compile_llvm = try_llvm;
4116 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4118 if (cfg->gen_seq_points)
4119 cfg->seq_points = g_ptr_array_new ();
4121 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
4122 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4126 if (cfg->generic_sharing_context) {
4127 method_to_register = method_to_compile;
4129 g_assert (method == method_to_compile);
4130 method_to_register = method;
4132 cfg->method_to_register = method_to_register;
4134 mono_error_init (&err);
4135 sig = mono_method_signature_checked (cfg->method, &err);
4137 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4138 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4139 mono_error_cleanup (&err);
4140 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4141 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4145 header = cfg->header;
4147 MonoLoaderError *error;
4149 if ((error = mono_loader_get_last_error ())) {
4150 cfg->exception_type = error->exception_type;
4152 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4153 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4155 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4156 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4162 static gboolean inited;
4169 * Check for methods which cannot be compiled by LLVM early, to avoid
4170 * the extra compilation pass.
4172 if (COMPILE_LLVM (cfg)) {
4173 mono_llvm_check_method_supported (cfg);
4174 if (cfg->disable_llvm) {
4175 if (cfg->verbose_level >= 1) {
4176 //nm = mono_method_full_name (cfg->method, TRUE);
4177 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4180 mono_destroy_compile (cfg);
4182 goto restart_compile;
4188 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4189 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4190 cfg->disable_reuse_registers = TRUE;
4191 cfg->disable_reuse_stack_slots = TRUE;
4193 * This decreases the change the debugger will read registers/stack slots which are
4194 * not yet initialized.
4196 cfg->disable_initlocals_opt = TRUE;
4198 cfg->extend_live_ranges = TRUE;
4200 /* Temporarily disable this when running in the debugger until we have support
4201 * for this in the debugger. */
4202 cfg->disable_omit_fp = TRUE;
4204 /* The debugger needs all locals to be on the stack or in a global register */
4205 cfg->disable_vreg_to_lvreg = TRUE;
4207 /* Don't remove unused variables when running inside the debugger since the user
4208 * may still want to view them. */
4209 cfg->disable_deadce_vars = TRUE;
4211 // cfg->opt |= MONO_OPT_SHARED;
4212 cfg->opt &= ~MONO_OPT_DEADCE;
4213 cfg->opt &= ~MONO_OPT_INLINE;
4214 cfg->opt &= ~MONO_OPT_COPYPROP;
4215 cfg->opt &= ~MONO_OPT_CONSPROP;
4216 cfg->opt &= ~MONO_OPT_GSHARED;
4218 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4219 cfg->disable_out_of_line_bblocks = TRUE;
4222 if (mono_using_xdebug) {
4224 * Make each variable use its own register/stack slot and extend
4225 * their liveness to cover the whole method, making them displayable
4226 * in gdb even after they are dead.
4228 cfg->disable_reuse_registers = TRUE;
4229 cfg->disable_reuse_stack_slots = TRUE;
4230 cfg->extend_live_ranges = TRUE;
4231 cfg->compute_precise_live_ranges = TRUE;
4234 mini_gc_init_cfg (cfg);
4236 if (COMPILE_LLVM (cfg)) {
4237 cfg->opt |= MONO_OPT_ABCREM;
4240 if (getenv ("MONO_VERBOSE_METHOD")) {
4241 char *name = getenv ("MONO_VERBOSE_METHOD");
4243 if ((strchr (name, '.') > name) || strchr (name, ':')) {
4244 MonoMethodDesc *desc;
4246 desc = mono_method_desc_new (name, TRUE);
4247 if (mono_method_desc_full_match (desc, cfg->method)) {
4248 cfg->verbose_level = 4;
4250 mono_method_desc_free (desc);
4252 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
4253 cfg->verbose_level = 4;
4257 ip = (guint8 *)header->code;
4259 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
4261 if (cfg->verbose_level > 0) {
4263 if (COMPILE_LLVM (cfg))
4264 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
4265 else if (cfg->generic_sharing_context)
4266 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4268 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
4269 g_free (method_name);
4272 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
4273 cfg->opt |= MONO_OPT_SSA;
4276 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")))
4277 cfg->globalra = TRUE;
4280 //cfg->globalra = TRUE;
4282 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
4283 // cfg->globalra = TRUE;
4286 static int count = 0;
4290 if (getenv ("COUNT2")) {
4291 cfg->globalra = TRUE;
4292 if (count == atoi (getenv ("COUNT2")))
4293 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
4294 if (count > atoi (getenv ("COUNT2")))
4295 cfg->globalra = FALSE;
4300 if (header->clauses)
4301 cfg->globalra = FALSE;
4303 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4304 /* The code in the prolog clobbers caller saved registers */
4305 cfg->globalra = FALSE;
4307 // FIXME: Disable globalra in case of tracing/profiling
4309 if (cfg->method->save_lmf)
4310 /* The LMF saving code might clobber caller saved registers */
4311 cfg->globalra = FALSE;
4313 if (header->code_size > 5000)
4315 /* Too large bblocks could overflow the ins positions */
4316 cfg->globalra = FALSE;
4318 cfg->rs = mono_regstate_new ();
4320 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4321 cfg->next_vreg = cfg->rs->next_vreg;
4323 /* FIXME: Fix SSA to handle branches inside bblocks */
4324 if (cfg->opt & MONO_OPT_SSA)
4325 cfg->enable_extended_bblocks = FALSE;
4328 * FIXME: This confuses liveness analysis because variables which are assigned after
4329 * a branch inside a bblock become part of the kill set, even though the assignment
4330 * might not get executed. This causes the optimize_initlocals pass to delete some
4331 * assignments which are needed.
4332 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4335 //cfg->enable_extended_bblocks = TRUE;
4337 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4338 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
4339 if (mini_get_debug_options ()->break_on_unverified)
4345 * create MonoInst* which represents arguments and local variables
4347 mono_compile_create_vars (cfg);
4349 /* SSAPRE is not supported on linear IR */
4350 cfg->opt &= ~MONO_OPT_SSAPRE;
4352 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4355 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4357 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4358 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4361 mono_destroy_compile (cfg);
4362 try_generic_shared = FALSE;
4363 goto restart_compile;
4365 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4367 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4368 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4369 /* cfg contains the details of the failure, so let the caller cleanup */
4373 mono_jit_stats.basic_blocks += cfg->num_bblocks;
4374 mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks);
4376 if (COMPILE_LLVM (cfg)) {
4379 /* The IR has to be in SSA form for LLVM */
4380 cfg->opt |= MONO_OPT_SSA;
4384 // Allow SSA on the result value
4385 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4387 // Add an explicit return instruction referencing the return value
4388 MONO_INST_NEW (cfg, ins, OP_SETRET);
4389 ins->sreg1 = cfg->ret->dreg;
4391 MONO_ADD_INS (cfg->bb_exit, ins);
4394 cfg->opt &= ~MONO_OPT_LINEARS;
4397 cfg->opt &= ~MONO_OPT_BRANCH;
4400 /* todo: remove code when we have verified that the liveness for try/catch blocks
4404 * Currently, this can't be commented out since exception blocks are not
4405 * processed during liveness analysis.
4406 * It is also needed, because otherwise the local optimization passes would
4407 * delete assignments in cases like this:
4409 * <something which throws>
4411 * This also allows SSA to be run on methods containing exception clauses, since
4412 * SSA will ignore variables marked VOLATILE.
4414 mono_liveness_handle_exception_clauses (cfg);
4416 mono_handle_out_of_line_bblock (cfg);
4418 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4420 if (!COMPILE_LLVM (cfg))
4421 mono_decompose_long_opts (cfg);
4423 /* Should be done before branch opts */
4424 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4425 mono_local_cprop (cfg);
4427 if (cfg->opt & MONO_OPT_BRANCH)
4428 mono_optimize_branches (cfg);
4430 /* This must be done _before_ global reg alloc and _after_ decompose */
4431 mono_handle_global_vregs (cfg);
4432 if (cfg->opt & MONO_OPT_DEADCE)
4433 mono_local_deadce (cfg);
4434 /* Disable this for LLVM to make the IR easier to handle */
4435 if (!COMPILE_LLVM (cfg))
4436 mono_if_conversion (cfg);
4438 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4439 mono_remove_critical_edges (cfg);
4441 /* Depth-first ordering on basic blocks */
4442 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4444 cfg->max_block_num = cfg->num_bblocks;
4447 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4448 if (cfg->num_bblocks != dfn + 1) {
4451 cfg->num_bblocks = dfn + 1;
4453 /* remove unreachable code, because the code in them may be
4454 * inconsistent (access to dead variables for example) */
4455 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4456 bb->flags &= ~BB_VISITED;
4457 compute_reachable (cfg->bb_entry);
4458 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4459 if (bb->flags & BB_EXCEPTION_HANDLER)
4460 compute_reachable (bb);
4461 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4462 if (!(bb->flags & BB_VISITED)) {
4463 if (cfg->verbose_level > 1)
4464 g_print ("found unreachable code in BB%d\n", bb->block_num);
4465 bb->code = bb->last_ins = NULL;
4466 while (bb->out_count)
4467 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
4470 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4471 bb->flags &= ~BB_VISITED;
4474 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
4476 * we disable some optimizations if there are too many variables
4477 * because JIT time may become too expensive. The actual number needs
4478 * to be tweaked and eventually the non-linear algorithms should be fixed.
4480 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
4481 cfg->disable_ssa = TRUE;
4484 if (cfg->opt & MONO_OPT_LOOP) {
4485 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
4486 mono_compute_natural_loops (cfg);
4489 /* after method_to_ir */
4491 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4492 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4497 if (header->num_clauses)
4498 cfg->disable_ssa = TRUE;
4501 //#define DEBUGSSA "logic_run"
4502 #define DEBUGSSA_CLASS "Tests"
4505 if (!cfg->disable_ssa) {
4506 mono_local_cprop (cfg);
4509 mono_ssa_compute (cfg);
4513 if (cfg->opt & MONO_OPT_SSA) {
4514 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
4516 mono_ssa_compute (cfg);
4519 if (cfg->verbose_level >= 2) {
4526 /* after SSA translation */
4528 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4529 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4533 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
4534 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4536 mono_ssa_cprop (cfg);
4542 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4543 //mono_ssa_strength_reduction (cfg);
4545 if (cfg->opt & MONO_OPT_SSAPRE) {
4546 mono_perform_ssapre (cfg);
4547 //mono_local_cprop (cfg);
4550 if (cfg->opt & MONO_OPT_DEADCE) {
4551 mono_ssa_deadce (cfg);
4552 deadce_has_run = TRUE;
4555 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4556 mono_perform_abc_removal (cfg);
4558 mono_ssa_remove (cfg);
4559 mono_local_cprop (cfg);
4560 mono_handle_global_vregs (cfg);
4561 if (cfg->opt & MONO_OPT_DEADCE)
4562 mono_local_deadce (cfg);
4564 if (cfg->opt & MONO_OPT_BRANCH) {
4567 mono_optimize_branches (cfg);
4569 /* Have to recompute cfg->bblocks and bb->dfn */
4570 if (cfg->globalra) {
4571 mono_remove_critical_edges (cfg);
4573 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4576 /* Depth-first ordering on basic blocks */
4577 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4580 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4581 cfg->num_bblocks = dfn + 1;
4587 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
4588 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
4589 if (cfg->opt & MONO_OPT_ABCREM)
4590 mono_perform_abc_removal (cfg);
4593 /* after SSA removal */
4595 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4596 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4600 #ifdef MONO_ARCH_SOFT_FLOAT
4601 if (!COMPILE_LLVM (cfg))
4602 mono_decompose_soft_float (cfg);
4604 if (!COMPILE_LLVM (cfg))
4605 mono_decompose_vtype_opts (cfg);
4606 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4607 mono_decompose_array_access_opts (cfg);
4610 #ifndef MONO_ARCH_GOT_REG
4615 g_assert (cfg->got_var_allocated);
4618 * Allways allocate the GOT var to a register, because keeping it
4619 * in memory will increase the number of live temporaries in some
4620 * code created by inssel.brg, leading to the well known spills+
4621 * branches problem. Testcase: mcs crash in
4622 * System.MonoCustomAttrs:GetCustomAttributes.
4624 #ifdef MONO_ARCH_GOT_REG
4625 got_reg = MONO_ARCH_GOT_REG;
4627 regs = mono_arch_get_global_int_regs (cfg);
4629 got_reg = GPOINTER_TO_INT (regs->data);
4632 cfg->got_var->opcode = OP_REGVAR;
4633 cfg->got_var->dreg = got_reg;
4634 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
4638 * Have to call this again to process variables added since the first call.
4640 mono_liveness_handle_exception_clauses (cfg);
4642 if (cfg->globalra) {
4645 /* Have to do this before regalloc since it can create vregs */
4646 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4647 mono_arch_lowering_pass (cfg, bb);
4649 mono_global_regalloc (cfg);
4652 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
4653 GList *vars, *regs, *l;
4655 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
4656 cfg->comp_done &= ~MONO_COMP_LIVENESS;
4657 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
4658 mono_analyze_liveness (cfg);
4660 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
4661 regs = mono_arch_get_global_int_regs (cfg);
4662 /* Remove the reg reserved for holding the GOT address */
4664 for (l = regs; l; l = l->next) {
4665 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
4666 regs = g_list_delete_link (regs, l);
4671 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
4675 //mono_print_code (cfg, "");
4679 /* variables are allocated after decompose, since decompose could create temps */
4680 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4681 mono_arch_allocate_vars (cfg);
4682 if (cfg->exception_type)
4688 gboolean need_local_opts;
4690 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4691 mono_spill_global_vars (cfg, &need_local_opts);
4693 if (need_local_opts || cfg->compile_aot) {
4694 /* To optimize code created by spill_global_vars */
4695 mono_local_cprop (cfg);
4696 if (cfg->opt & MONO_OPT_DEADCE)
4697 mono_local_deadce (cfg);
4701 /* Add branches between non-consecutive bblocks */
4702 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4703 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
4704 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
4705 /* we are careful when inverting, since bugs like #59580
4706 * could show up when dealing with NaNs.
4708 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
4709 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
4710 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
4711 bb->last_ins->inst_false_bb = tmp;
4713 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
4715 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
4716 inst->opcode = OP_BR;
4717 inst->inst_target_bb = bb->last_ins->inst_false_bb;
4718 mono_bblock_add_inst (bb, inst);
4723 if (cfg->verbose_level >= 4 && !cfg->globalra) {
4724 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4725 MonoInst *tree = bb->code;
4726 g_print ("DUMP BLOCK %d:\n", bb->block_num);
4729 for (; tree; tree = tree->next) {
4730 mono_print_ins_index (-1, tree);
4736 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4737 bb->max_vreg = cfg->next_vreg;
4741 if (COMPILE_LLVM (cfg)) {
4745 /* The IR has to be in SSA form for LLVM */
4746 if (!(cfg->comp_done & MONO_COMP_SSA)) {
4747 cfg->exception_message = g_strdup ("SSA disabled.");
4748 cfg->disable_llvm = TRUE;
4751 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4752 mono_decompose_array_access_opts (cfg);
4754 if (!cfg->disable_llvm)
4755 mono_llvm_emit_method (cfg);
4756 if (cfg->disable_llvm) {
4757 if (cfg->verbose_level >= 1) {
4758 //nm = mono_method_full_name (cfg->method, TRUE);
4759 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4762 mono_destroy_compile (cfg);
4764 goto restart_compile;
4767 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
4768 nm = mono_method_full_name (cfg->method, TRUE);
4769 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
4771 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4779 if (COMPILE_LLVM (cfg))
4780 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
4782 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
4784 if (cfg->verbose_level >= 2) {
4785 char *id = mono_method_full_name (cfg->method, FALSE);
4786 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
4790 cfg->jit_info = create_jit_info (cfg, method_to_compile);
4792 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
4793 if (cfg->extend_live_ranges) {
4794 /* Extend live ranges to cover the whole method */
4795 for (i = 0; i < cfg->num_varinfo; ++i)
4796 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
4800 if (!cfg->compile_aot)
4801 mono_save_xdebug_info (cfg);
4803 mini_gc_create_gc_map (cfg);
4805 mono_save_seq_point_info (cfg);
4807 if (!cfg->compile_aot) {
4808 mono_domain_lock (cfg->domain);
4809 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
4811 if (cfg->method->dynamic)
4812 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
4813 mono_domain_unlock (cfg->domain);
4816 /* collect statistics */
4817 mono_perfcounters->jit_methods++;
4818 mono_perfcounters->jit_bytes += header->code_size;
4819 mono_jit_stats.allocated_code_size += cfg->code_len;
4820 code_size_ratio = cfg->code_len;
4821 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
4822 mono_jit_stats.biggest_method_size = code_size_ratio;
4823 g_free (mono_jit_stats.biggest_method);
4824 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4826 code_size_ratio = (code_size_ratio * 100) / header->code_size;
4827 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
4828 mono_jit_stats.max_code_size_ratio = code_size_ratio;
4829 g_free (mono_jit_stats.max_ratio_method);
4830 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4832 mono_jit_stats.native_code_size += cfg->code_len;
4834 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4835 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4843 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4845 g_assert_not_reached ();
4849 #endif /* DISABLE_JIT */
4852 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
4854 static gboolean inited = FALSE;
4855 static int lookups = 0;
4856 static int failed_lookups = 0;
4859 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
4860 if (ji && !ji->has_generic_jit_info)
4864 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
4865 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
4877 * LOCKING: Assumes domain->jit_code_hash_lock is held.
4880 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
4882 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
4887 if (!mono_method_is_generic_sharable_impl (method, FALSE))
4889 return mono_domain_lookup_shared_generic (domain, method);
4893 lookup_method (MonoDomain *domain, MonoMethod *method)
4897 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
4898 mono_domain_jit_code_hash_lock (domain);
4899 info = lookup_method_inner (domain, method);
4900 mono_domain_jit_code_hash_unlock (domain);
4901 mono_loader_unlock ();
4907 static FILE* perf_map_file = NULL;
4910 mono_enable_jit_map (void)
4912 if (!perf_map_file) {
4914 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
4916 perf_map_file = fopen (name, "w");
4921 mono_emit_jit_tramp (void *start, int size, const char *desc)
4924 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
4928 mono_emit_jit_map (MonoJitInfo *jinfo)
4930 if (perf_map_file) {
4931 char *name = mono_method_full_name (jinfo->method, TRUE);
4932 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
4938 mono_jit_map_is_enabled (void)
4940 return perf_map_file != NULL;
4946 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
4949 gpointer code = NULL;
4950 MonoJitInfo *jinfo, *info;
4952 MonoException *ex = NULL;
4953 guint32 prof_options;
4955 MonoMethod *prof_method;
4957 #ifdef MONO_USE_AOT_COMPILER
4958 if (opt & MONO_OPT_AOT) {
4959 MonoDomain *domain = mono_domain_get ();
4961 mono_class_init (method->klass);
4963 if ((code = mono_aot_get_method (domain, method))) {
4964 vtable = mono_class_vtable (domain, method->klass);
4966 mono_runtime_class_init (vtable);
4973 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
4974 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
4976 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
4978 if (!piinfo->addr) {
4979 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
4980 piinfo->addr = mono_lookup_internal_call (method);
4981 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
4983 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);
4985 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);
4988 mono_lookup_pinvoke_call (method, NULL, NULL);
4990 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
4991 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
4992 jinfo = mono_jit_info_table_find (target_domain, code);
4994 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
4996 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
4999 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
5000 //mono_debug_add_wrapper (method, nm);
5001 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5002 const char *name = method->name;
5003 char *full_name, *msg;
5006 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5007 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5008 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5011 * We need to make sure this wrapper
5012 * is compiled because it might end up
5013 * in an (M)RGCTX if generic sharing
5014 * is enabled, and would be called
5015 * indirectly. If it were a
5016 * trampoline we'd try to patch that
5017 * indirect call, which is not
5020 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5021 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5022 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5023 return mono_create_delegate_trampoline (method->klass);
5025 nm = mono_marshal_get_delegate_invoke (method, NULL);
5026 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5028 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5029 nm = mono_marshal_get_delegate_begin_invoke (method);
5030 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5031 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5032 nm = mono_marshal_get_delegate_end_invoke (method);
5033 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5037 full_name = mono_method_full_name (method, TRUE);
5038 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5039 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5045 if (mono_aot_only) {
5046 char *fullname = mono_method_full_name (method, TRUE);
5047 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
5049 *jit_ex = mono_get_exception_execution_engine (msg);
5056 jit_timer = g_timer_new ();
5058 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5059 prof_method = cfg->method;
5061 g_timer_stop (jit_timer);
5062 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5063 g_timer_destroy (jit_timer);
5065 switch (cfg->exception_type) {
5066 case MONO_EXCEPTION_NONE:
5068 case MONO_EXCEPTION_TYPE_LOAD:
5069 case MONO_EXCEPTION_MISSING_FIELD:
5070 case MONO_EXCEPTION_MISSING_METHOD:
5071 case MONO_EXCEPTION_FILE_NOT_FOUND:
5072 case MONO_EXCEPTION_BAD_IMAGE: {
5073 /* Throw a type load exception if needed */
5074 MonoLoaderError *error = mono_loader_get_last_error ();
5077 ex = mono_loader_error_prepare_exception (error);
5079 if (cfg->exception_ptr) {
5080 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5082 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5083 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5084 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5085 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5086 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5087 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5088 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5089 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5090 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5091 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5093 g_assert_not_reached ();
5098 case MONO_EXCEPTION_INVALID_PROGRAM:
5099 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5101 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5102 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5104 case MONO_EXCEPTION_METHOD_ACCESS:
5105 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5107 case MONO_EXCEPTION_FIELD_ACCESS:
5108 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5110 /* this can only be set if the security manager is active */
5111 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5112 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5113 MonoObject *exc = NULL;
5116 args [0] = &cfg->exception_data;
5118 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5120 ex = (MonoException*)exc;
5123 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5124 MonoException *exp = cfg->exception_ptr;
5125 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5130 case MONO_EXCEPTION_OUT_OF_MEMORY:
5131 ex = mono_domain_get ()->out_of_memory_ex;
5134 g_assert_not_reached ();
5138 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5139 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5141 mono_destroy_compile (cfg);
5147 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5148 mono_domain_lock (target_domain);
5150 /* Check if some other thread already did the job. In this case, we can
5151 discard the code this thread generated. */
5153 mono_domain_jit_code_hash_lock (target_domain);
5155 info = lookup_method_inner (target_domain, method);
5157 /* We can't use a domain specific method in another domain */
5158 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5159 code = info->code_start;
5160 // printf("Discarding code for method %s\n", method->name);
5165 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
5166 mono_domain_jit_code_hash_unlock (target_domain);
5167 code = cfg->native_code;
5169 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
5170 mono_stats.generics_shared_methods++;
5172 mono_domain_jit_code_hash_unlock (target_domain);
5175 jinfo = cfg->jit_info;
5177 prof_options = cfg->prof_options;
5179 mono_destroy_compile (cfg);
5182 if (domain_jit_info (target_domain)->jump_target_hash) {
5183 MonoJumpInfo patch_info;
5185 list = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
5187 patch_info.next = NULL;
5188 patch_info.ip.i = 0;
5189 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
5190 patch_info.data.method = method;
5191 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
5193 for (tmp = list; tmp; tmp = tmp->next)
5194 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, TRUE);
5195 g_slist_free (list);
5198 mono_emit_jit_map (jinfo);
5200 mono_domain_unlock (target_domain);
5201 mono_loader_unlock ();
5203 vtable = mono_class_vtable (target_domain, method->klass);
5205 ex = mono_class_get_exception_for_failure (method->klass);
5211 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
5212 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
5213 if (mono_marshal_method_from_wrapper (method)) {
5214 /* Native func wrappers have no method */
5215 /* The profiler doesn't know about wrappers, so pass the original icall method */
5216 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
5219 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5220 if (prof_method != method) {
5221 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
5225 ex = mono_runtime_class_init_full (vtable, FALSE);
5234 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
5236 MonoDomain *target_domain, *domain = mono_domain_get ();
5239 MonoJitICallInfo *callinfo = NULL;
5242 * ICALL wrappers are handled specially, since there is only one copy of them
5243 * shared by all appdomains.
5245 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
5246 const char *icall_name;
5248 icall_name = method->name + strlen ("__icall_wrapper_");
5249 g_assert (icall_name);
5250 callinfo = mono_find_jit_icall_by_name (icall_name);
5251 g_assert (callinfo);
5253 /* Must be domain neutral since there is only one copy */
5254 opt |= MONO_OPT_SHARED;
5257 if (opt & MONO_OPT_SHARED)
5258 target_domain = mono_get_root_domain ();
5260 target_domain = domain;
5262 info = lookup_method (target_domain, method);
5264 /* We can't use a domain specific method in another domain */
5265 if (! ((domain != target_domain) && !info->domain_neutral)) {
5267 MonoException *tmpEx;
5269 mono_jit_stats.methods_lookups++;
5270 vtable = mono_class_vtable (domain, method->klass);
5272 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
5277 return mono_create_ftnptr (target_domain, info->code_start);
5281 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
5285 p = mono_create_ftnptr (target_domain, code);
5289 if (!callinfo->wrapper) {
5290 callinfo->wrapper = p;
5291 mono_register_jit_icall_wrapper (callinfo, p);
5292 mono_debug_add_icall_wrapper (method, callinfo);
5301 mono_jit_compile_method (MonoMethod *method)
5303 MonoException *ex = NULL;
5306 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
5309 mono_raise_exception (ex);
5315 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5317 invalidated_delegate_trampoline (char *desc)
5319 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
5320 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
5326 * mono_jit_free_method:
5328 * Free all memory allocated by the JIT for METHOD.
5331 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
5333 MonoJitDynamicMethodInfo *ji;
5334 gboolean destroy = TRUE;
5336 g_assert (method->dynamic);
5338 mono_domain_lock (domain);
5339 ji = mono_dynamic_code_hash_lookup (domain, method);
5340 mono_domain_unlock (domain);
5344 mono_domain_lock (domain);
5345 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
5346 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
5347 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
5348 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
5349 mono_domain_unlock (domain);
5351 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5352 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
5354 * Instead of freeing the code, change it to call an error routine
5355 * so people can fix their code.
5357 char *type = mono_type_full_name (&method->klass->byval_arg);
5358 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
5361 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
5367 * This needs to be done before freeing code_mp, since the code address is the
5368 * key in the table, so if we free the code_mp first, another thread can grab the
5369 * same code address and replace our entry in the table.
5371 mono_jit_info_table_remove (domain, ji->ji);
5374 mono_code_manager_destroy (ji->code_mp);
5379 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
5381 MonoDomain *target_domain;
5384 if (default_opt & MONO_OPT_SHARED)
5385 target_domain = mono_get_root_domain ();
5387 target_domain = domain;
5389 info = lookup_method (target_domain, method);
5391 /* We can't use a domain specific method in another domain */
5392 if (! ((domain != target_domain) && !info->domain_neutral)) {
5393 mono_jit_stats.methods_lookups++;
5396 return info->code_start;
5406 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
5408 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
5413 gpointer compiled_method;
5414 gpointer runtime_invoke;
5416 MonoDynCallInfo *dyn_call_info;
5417 MonoClass *ret_box_class;
5418 } RuntimeInvokeInfo;
5421 * mono_jit_runtime_invoke:
5422 * @method: the method to invoke
5423 * @obj: this pointer
5424 * @params: array of parameter values.
5425 * @exc: used to catch exceptions objects
5428 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
5431 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
5432 MonoDomain *domain = mono_domain_get ();
5433 MonoJitDomainInfo *domain_info;
5434 RuntimeInvokeInfo *info, *info2;
5436 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
5437 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
5441 domain_info = domain_jit_info (domain);
5443 mono_domain_lock (domain);
5444 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5445 mono_domain_unlock (domain);
5448 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
5450 * This might be redundant since mono_class_vtable () already does this,
5451 * but keep it just in case for moonlight.
5453 mono_class_setup_vtable (method->klass);
5454 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
5456 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
5458 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
5463 info = g_new0 (RuntimeInvokeInfo, 1);
5465 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5466 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
5467 g_assert (info->vtable);
5469 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5470 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5472 * Array Get/Set/Address methods. The JIT implements them using inline code
5473 * inside the runtime invoke wrappers, so no need to compile them.
5475 info->compiled_method = NULL;
5477 MonoException *jit_ex = NULL;
5479 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
5480 if (!info->compiled_method) {
5484 *exc = (MonoObject*)jit_ex;
5487 mono_raise_exception (jit_ex);
5491 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
5492 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
5496 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
5497 * in full-aot mode, so we use a slower, but more generic wrapper if
5498 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
5500 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5501 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
5502 MonoMethodSignature *sig = mono_method_signature (method);
5503 gboolean supported = TRUE;
5506 if (method->string_ctor)
5507 sig = mono_marshal_get_string_ctor_signature (method);
5509 for (i = 0; i < sig->param_count; ++i) {
5510 MonoType *t = sig->params [i];
5512 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
5516 if (method->klass->contextbound || !info->compiled_method)
5520 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
5522 if (info->dyn_call_info) {
5523 switch (sig->ret->type) {
5524 case MONO_TYPE_VOID:
5536 case MONO_TYPE_BOOLEAN:
5537 case MONO_TYPE_CHAR:
5540 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5543 info->ret_box_class = mono_defaults.int_class;
5545 case MONO_TYPE_STRING:
5546 case MONO_TYPE_CLASS:
5547 case MONO_TYPE_ARRAY:
5548 case MONO_TYPE_SZARRAY:
5549 case MONO_TYPE_OBJECT:
5551 case MONO_TYPE_GENERICINST:
5552 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
5553 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5555 case MONO_TYPE_VALUETYPE:
5556 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5559 g_assert_not_reached ();
5566 if (!info->dyn_call_info)
5567 info->runtime_invoke = mono_jit_compile_method (invoke);
5569 mono_domain_lock (domain);
5570 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5575 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
5577 mono_domain_unlock (domain);
5580 runtime_invoke = info->runtime_invoke;
5583 * We need this here because mono_marshal_get_runtime_invoke can place
5584 * the helper method in System.Object and not the target class.
5587 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
5591 mono_runtime_class_init (info->vtable);
5594 /* The wrappers expect this to be initialized to NULL */
5598 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5599 if (info->dyn_call_info) {
5600 MonoMethodSignature *sig = mono_method_signature (method);
5602 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
5605 guint8 retval [128];
5607 if (!dyn_runtime_invoke) {
5608 invoke = mono_marshal_get_runtime_invoke_dynamic ();
5609 dyn_runtime_invoke = mono_jit_compile_method (invoke);
5612 /* Convert the arguments to the format expected by start_dyn_call () */
5613 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
5616 args [pindex ++] = &obj;
5617 for (i = 0; i < sig->param_count; ++i) {
5618 MonoType *t = sig->params [i];
5621 args [pindex ++] = ¶ms [i];
5622 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
5623 args [pindex ++] = ¶ms [i];
5625 args [pindex ++] = params [i];
5629 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
5631 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
5633 dyn_runtime_invoke (buf, exc, info->compiled_method);
5635 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
5637 if (info->ret_box_class)
5638 return mono_value_box (domain, info->ret_box_class, retval);
5640 return *(MonoObject**)retval;
5644 return runtime_invoke (obj, params, exc, info->compiled_method);
5648 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
5650 MonoException *exc = NULL;
5652 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
5657 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5659 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
5660 if (mono_arch_is_int_overflow (ctx, info))
5662 * The spec says this throws ArithmeticException, but MS throws the derived
5663 * OverflowException.
5665 exc = mono_get_exception_overflow ();
5667 exc = mono_get_exception_divide_by_zero ();
5669 exc = mono_get_exception_divide_by_zero ();
5673 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5676 mono_handle_native_sigsegv (SIGSEGV, ctx);
5679 mono_arch_handle_exception (ctx, exc, FALSE);
5683 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
5688 exc = mono_get_exception_execution_engine ("SIGILL");
5690 mono_arch_handle_exception (ctx, exc, FALSE);
5693 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
5694 #define HAVE_SIG_INFO
5698 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
5701 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
5702 gpointer fault_addr = NULL;
5706 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
5707 if (mono_arch_is_single_step_event (info, ctx)) {
5708 mono_debugger_agent_single_step_event (ctx);
5710 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
5711 mono_debugger_agent_breakpoint_hit (ctx);
5716 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
5717 fault_addr = info->si_addr;
5718 if (mono_aot_is_pagefault (info->si_addr)) {
5719 mono_aot_handle_pagefault (info->si_addr);
5724 /* The thread might no be registered with the runtime */
5725 if (!mono_domain_get () || !jit_tls) {
5726 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5728 mono_handle_native_sigsegv (SIGSEGV, ctx);
5731 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5733 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
5734 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
5737 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
5738 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
5739 fault_addr = info->si_addr;
5740 if (fault_addr == NULL) {
5743 mono_arch_sigctx_to_monoctx (ctx, &mctx);
5745 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
5749 /* The hard-guard page has been hit: there is not much we can do anymore
5750 * Print a hopefully clear message and abort.
5752 if (jit_tls->stack_size &&
5753 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
5755 /* we don't do much now, but we can warn the user with a useful message */
5756 fprintf (stderr, "Stack overflow: IP: %p, fault addr: %p\n", mono_arch_ip_from_context (ctx), (gpointer)info->si_addr);
5757 if (ji && ji->method)
5758 method = mono_method_full_name (ji->method, TRUE);
5760 method = "Unmanaged";
5761 fprintf (stderr, "At %s\n", method);
5764 /* The original handler might not like that it is executed on an altstack... */
5765 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
5768 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
5773 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5776 mono_handle_native_sigsegv (SIGSEGV, ctx);
5779 mono_arch_handle_exception (ctx, NULL, FALSE);
5784 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
5789 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
5791 mono_arch_handle_exception (ctx, exc, FALSE);
5794 /* mono_jit_create_remoting_trampoline:
5795 * @method: pointer to the method info
5797 * Creates a trampoline which calls the remoting functions. This
5798 * is used in the vtable of transparent proxies.
5800 * Returns: a pointer to the newly created code
5803 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
5806 guint8 *addr = NULL;
5808 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
5809 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
5813 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
5814 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
5815 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
5816 addr = mono_compile_method (nm);
5818 addr = mono_compile_method (method);
5820 return mono_get_addr_from_ftnptr (addr);
5823 static gpointer *vtable_trampolines;
5824 static int vtable_trampolines_size;
5827 mini_get_vtable_trampoline (int slot_index)
5829 int index = slot_index + MONO_IMT_SIZE;
5831 g_assert (slot_index >= - MONO_IMT_SIZE);
5832 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
5834 if (!vtable_trampolines || index >= vtable_trampolines_size) {
5838 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
5839 while (new_size <= index)
5841 new_table = g_new0 (gpointer, new_size);
5843 if (vtable_trampolines)
5844 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
5845 g_free (vtable_trampolines);
5846 mono_memory_barrier ();
5847 vtable_trampolines = new_table;
5848 vtable_trampolines_size = new_size;
5853 if (!vtable_trampolines [index])
5854 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
5855 return vtable_trampolines [index];
5859 mini_get_imt_trampoline (int slot_index)
5861 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
5865 mini_parse_debug_options (void)
5867 char *options = getenv ("MONO_DEBUG");
5868 gchar **args, **ptr;
5873 args = g_strsplit (options, ",", -1);
5875 for (ptr = args; ptr && *ptr; ptr++) {
5876 const char *arg = *ptr;
5878 if (!strcmp (arg, "handle-sigint"))
5879 debug_options.handle_sigint = TRUE;
5880 else if (!strcmp (arg, "keep-delegates"))
5881 debug_options.keep_delegates = TRUE;
5882 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
5883 debug_options.reverse_pinvoke_exceptions = TRUE;
5884 else if (!strcmp (arg, "collect-pagefault-stats"))
5885 debug_options.collect_pagefault_stats = TRUE;
5886 else if (!strcmp (arg, "break-on-unverified"))
5887 debug_options.break_on_unverified = TRUE;
5888 else if (!strcmp (arg, "no-gdb-backtrace"))
5889 debug_options.no_gdb_backtrace = TRUE;
5890 else if (!strcmp (arg, "suspend-on-sigsegv"))
5891 debug_options.suspend_on_sigsegv = TRUE;
5892 else if (!strcmp (arg, "dont-free-domains"))
5893 mono_dont_free_domains = TRUE;
5894 else if (!strcmp (arg, "dyn-runtime-invoke"))
5895 debug_options.dyn_runtime_invoke = TRUE;
5896 else if (!strcmp (arg, "gdb"))
5897 debug_options.gdb = TRUE;
5898 else if (!strcmp (arg, "explicit-null-checks"))
5899 debug_options.explicit_null_checks = TRUE;
5900 else if (!strcmp (arg, "gen-seq-points"))
5901 debug_options.gen_seq_points = TRUE;
5902 else if (!strcmp (arg, "init-stacks"))
5903 debug_options.init_stacks = TRUE;
5904 else if (!strcmp (arg, "casts"))
5905 debug_options.better_cast_details = TRUE;
5907 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
5908 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks'\n");
5917 mini_get_debug_options (void)
5919 return &debug_options;
5923 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
5928 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
5934 #elif defined(__ppc64__) || defined(__powerpc64__)
5937 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
5950 mini_get_addr_from_ftnptr (gpointer descr)
5952 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
5953 return *(gpointer*)descr;
5960 register_jit_stats (void)
5962 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
5963 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
5964 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
5965 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
5966 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
5969 static void runtime_invoke_info_free (gpointer value);
5972 mini_create_jit_domain_info (MonoDomain *domain)
5974 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
5976 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5977 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5978 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5979 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5980 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5981 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
5982 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
5983 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
5985 domain->runtime_info = info;
5989 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
5991 g_slist_free (value);
5995 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
5997 MonoJitDynamicMethodInfo *di = value;
5998 mono_code_manager_destroy (di->code_mp);
6003 runtime_invoke_info_free (gpointer value)
6005 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
6007 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6008 if (info->dyn_call_info)
6009 mono_arch_dyn_call_free (info->dyn_call_info);
6015 mini_free_jit_domain_info (MonoDomain *domain)
6017 MonoJitDomainInfo *info = domain_jit_info (domain);
6019 if (info->jump_target_hash) {
6020 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6021 g_hash_table_destroy (info->jump_target_hash);
6023 if (info->jump_target_got_slot_hash) {
6024 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6025 g_hash_table_destroy (info->jump_target_got_slot_hash);
6027 if (info->dynamic_code_hash) {
6028 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6029 g_hash_table_destroy (info->dynamic_code_hash);
6031 if (info->method_code_hash)
6032 g_hash_table_destroy (info->method_code_hash);
6033 g_hash_table_destroy (info->class_init_trampoline_hash);
6034 g_hash_table_destroy (info->jump_trampoline_hash);
6035 g_hash_table_destroy (info->jit_trampoline_hash);
6036 g_hash_table_destroy (info->delegate_trampoline_hash);
6037 if (info->static_rgctx_trampoline_hash)
6038 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6039 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6040 g_hash_table_destroy (info->runtime_invoke_hash);
6041 g_hash_table_destroy (info->seq_points);
6042 g_hash_table_destroy (info->arch_seq_points);
6044 if (info->agent_info)
6045 mono_debugger_agent_free_domain_info (domain);
6047 g_free (domain->runtime_info);
6048 domain->runtime_info = NULL;
6052 mini_init (const char *filename, const char *runtime_version)
6055 MonoRuntimeCallbacks callbacks;
6057 MONO_PROBE_VES_INIT_BEGIN ();
6059 #if defined(__linux__) && !defined(__native_client__)
6060 if (access ("/proc/self/maps", F_OK) != 0) {
6061 g_print ("Mono requires /proc to be mounted.\n");
6066 /* Happens when using the embedding interface */
6067 if (!default_opt_set)
6068 default_opt = mono_parse_default_optimizations (NULL);
6070 InitializeCriticalSection (&jit_mutex);
6072 #ifdef MONO_DEBUGGER_SUPPORTED
6073 if (mini_debug_running_inside_mdb ())
6074 mini_debugger_init ();
6077 #ifdef MINI_HAVE_FAST_TLS
6078 MINI_FAST_TLS_INIT (mono_jit_tls);
6079 MINI_FAST_TLS_INIT (mono_lmf_addr);
6080 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
6081 MINI_FAST_TLS_INIT (mono_lmf);
6085 #ifdef MONO_ARCH_HAVE_TLS_GET
6086 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
6088 mono_runtime_set_has_tls_get (FALSE);
6091 if (!global_codeman)
6092 global_codeman = mono_code_manager_new ();
6093 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
6095 memset (&callbacks, 0, sizeof (callbacks));
6096 callbacks.create_ftnptr = mini_create_ftnptr;
6097 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
6098 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
6100 #ifdef MONO_ARCH_HAVE_IMT
6102 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
6103 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
6107 mono_install_callbacks (&callbacks);
6109 if (getenv ("MONO_DEBUG") != NULL)
6110 mini_parse_debug_options ();
6112 mono_arch_cpu_init ();
6116 mono_unwind_init ();
6120 if (getenv ("MONO_XDEBUG")) {
6121 char *xdebug_opts = getenv ("MONO_XDEBUG");
6122 mono_xdebug_init (xdebug_opts);
6123 /* So methods for multiple domains don't have the same address */
6124 mono_dont_free_domains = TRUE;
6125 mono_using_xdebug = TRUE;
6126 } else if (mini_get_debug_options ()->gdb) {
6127 mono_xdebug_init ((char*)"gdb");
6128 mono_dont_free_domains = TRUE;
6129 mono_using_xdebug = TRUE;
6133 if (mono_use_llvm) {
6134 if (!mono_llvm_load (NULL)) {
6135 mono_use_llvm = FALSE;
6136 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
6143 mono_trampolines_init ();
6145 if (!g_thread_supported ())
6146 g_thread_init (NULL);
6148 mono_jit_tls_id = TlsAlloc ();
6149 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
6151 if (default_opt & MONO_OPT_AOT)
6154 mono_debugger_agent_init ();
6156 #ifdef MONO_ARCH_GSHARED_SUPPORTED
6157 mono_set_generic_sharing_supported (TRUE);
6160 #ifndef MONO_CROSS_COMPILE
6161 mono_runtime_install_handlers ();
6163 mono_threads_install_cleanup (mini_thread_cleanup);
6165 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
6166 // This is experimental code so provide an env var to switch it off
6167 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
6168 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
6170 check_for_pending_exc = FALSE;
6171 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
6175 #define JIT_TRAMPOLINES_WORK
6176 #ifdef JIT_TRAMPOLINES_WORK
6177 mono_install_compile_method (mono_jit_compile_method);
6178 mono_install_free_method (mono_jit_free_method);
6179 mono_install_trampoline (mono_create_jit_trampoline);
6180 mono_install_jump_trampoline (mono_create_jump_trampoline);
6181 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
6182 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
6183 mono_install_create_domain_hook (mini_create_jit_domain_info);
6184 mono_install_free_domain_hook (mini_free_jit_domain_info);
6186 #define JIT_INVOKE_WORKS
6187 #ifdef JIT_INVOKE_WORKS
6188 mono_install_runtime_invoke (mono_jit_runtime_invoke);
6190 mono_install_stack_walk (mono_jit_walk_stack);
6191 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
6192 mono_install_get_class_from_name (mono_aot_get_class_from_name);
6193 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
6195 if (debug_options.collect_pagefault_stats) {
6196 mono_aot_set_make_unreadable (TRUE);
6199 if (runtime_version)
6200 domain = mono_init_version (filename, runtime_version);
6202 domain = mono_init_from_assembly (filename, filename);
6204 if (mono_aot_only) {
6205 /* This helps catch code allocation requests */
6206 mono_code_manager_set_read_only (domain->code_mp);
6209 #ifdef MONO_ARCH_HAVE_IMT
6212 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
6214 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
6218 /* This must come after mono_init () in the aot-only case */
6219 mono_exceptions_init ();
6220 mono_install_handler (mono_get_throw_exception ());
6224 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
6225 ves_icall_get_frame_info);
6226 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
6227 ves_icall_get_trace);
6228 mono_add_internal_call ("System.Exception::get_trace",
6229 ves_icall_System_Exception_get_trace);
6230 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
6231 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
6232 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
6233 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
6234 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
6235 mono_runtime_install_handlers);
6237 mono_create_helper_signatures ();
6239 register_jit_stats ();
6241 #define JIT_CALLS_WORK
6242 #ifdef JIT_CALLS_WORK
6243 /* Needs to be called here since register_jit_icall depends on it */
6244 mono_marshal_init ();
6246 mono_arch_register_lowlevel_calls ();
6247 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
6248 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
6249 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
6250 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
6251 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
6252 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
6253 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
6255 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
6256 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
6257 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
6259 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
6260 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
6261 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
6262 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
6263 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
6265 #if defined(__native_client__) || defined(__native_client_codegen__)
6266 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
6269 * NOTE, NOTE, NOTE, NOTE:
6270 * when adding emulation for some opcodes, remember to also add a dummy
6271 * rule to the burg files, because we need the arity information to be correct.
6273 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
6274 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
6275 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
6276 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
6277 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
6278 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
6279 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
6280 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
6283 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
6284 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
6285 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
6286 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
6289 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
6290 mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE);
6291 mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6292 mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE);
6293 mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6294 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
6295 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6296 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
6297 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6300 #ifdef MONO_ARCH_EMULATE_MUL_DIV
6301 mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE);
6302 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
6305 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
6306 mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6307 mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6308 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6309 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6312 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
6313 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
6316 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
6317 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
6318 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
6319 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
6321 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
6322 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
6324 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
6325 mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6326 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6328 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
6329 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
6331 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
6332 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
6334 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
6335 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
6337 #ifdef MONO_ARCH_EMULATE_FREM
6338 #if defined(__default_codegen__)
6339 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
6340 #elif defined(__native_client_codegen__)
6341 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, FALSE);
6345 #ifdef MONO_ARCH_SOFT_FLOAT
6346 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
6347 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
6348 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
6349 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
6350 mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE);
6351 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
6352 mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE);
6353 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
6354 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
6355 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
6356 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
6357 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
6358 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
6359 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
6360 #if SIZEOF_VOID_P == 4
6361 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
6364 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
6365 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
6366 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
6367 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
6368 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
6369 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
6370 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
6371 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
6372 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
6373 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
6375 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
6376 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
6377 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
6378 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
6379 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
6381 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
6382 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
6383 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
6384 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
6387 #ifdef COMPRESSED_INTERFACE_BITMAP
6388 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
6391 #if SIZEOF_REGISTER == 4
6392 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
6395 /* other jit icalls */
6396 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
6397 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
6398 "ptr ptr ptr", FALSE);
6399 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
6400 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
6401 "ptr ptr ptr ptr", FALSE);
6402 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
6403 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
6404 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
6405 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
6406 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
6407 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
6408 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
6409 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
6410 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
6411 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
6412 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
6413 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
6414 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
6415 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
6416 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
6417 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
6418 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
6419 register_icall (mono_break, "mono_break", NULL, TRUE);
6420 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
6421 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
6422 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
6423 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
6424 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
6425 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
6426 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
6427 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
6429 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
6431 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
6432 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
6436 mono_generic_sharing_init ();
6438 #ifdef MONO_ARCH_SIMD_INTRINSICS
6439 mono_simd_intrinsics_init ();
6442 #if MONO_SUPPORT_TASKLETS
6443 mono_tasklets_init ();
6446 if (mono_compile_aot)
6448 * Avoid running managed code when AOT compiling, since the platform
6449 * might only support aot-only execution.
6451 mono_runtime_set_no_exec (TRUE);
6453 #define JIT_RUNTIME_WORKS
6454 #ifdef JIT_RUNTIME_WORKS
6455 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
6456 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
6457 mono_thread_attach (domain);
6460 mono_profiler_runtime_initialized ();
6462 MONO_PROBE_VES_INIT_END ();
6467 MonoJitStats mono_jit_stats = {0};
6470 print_jit_stats (void)
6472 if (mono_jit_stats.enabled) {
6473 g_print ("Mono Jit statistics\n");
6474 g_print ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups);
6475 g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks);
6476 g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks);
6477 g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var);
6478 g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size);
6479 g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size);
6480 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
6481 mono_jit_stats.max_ratio_method);
6482 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
6483 mono_jit_stats.biggest_method);
6484 g_print ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs);
6485 g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size);
6486 g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods);
6487 g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods);
6488 g_print ("Regvars: %ld\n", mono_jit_stats.regvars);
6489 g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size);
6491 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
6492 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
6493 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
6494 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
6495 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
6496 g_print ("Methods: %ld\n", mono_stats.method_count);
6497 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
6498 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
6499 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
6501 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
6502 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
6503 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
6505 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
6506 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
6507 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
6509 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
6510 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
6511 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
6513 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
6514 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
6515 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
6516 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
6517 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
6518 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
6519 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
6520 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
6522 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
6523 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
6524 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
6526 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
6527 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
6528 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
6529 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
6530 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
6531 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
6532 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
6533 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
6534 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
6535 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
6536 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
6537 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
6540 g_free (mono_jit_stats.max_ratio_method);
6541 mono_jit_stats.max_ratio_method = NULL;
6542 g_free (mono_jit_stats.biggest_method);
6543 mono_jit_stats.biggest_method = NULL;
6548 mini_cleanup (MonoDomain *domain)
6550 mono_runtime_shutdown_stat_profiler ();
6553 cominterop_release_all_rcws ();
6556 #ifndef MONO_CROSS_COMPILE
6557 mono_runtime_shutdown ();
6559 * mono_runtime_cleanup() and mono_domain_finalize () need to
6560 * be called early since they need the execution engine still
6561 * fully working (mono_domain_finalize may invoke managed finalizers
6562 * and mono_runtime_cleanup will wait for other threads to finish).
6564 mono_domain_finalize (domain, 2000);
6567 /* This accesses metadata so needs to be called before runtime shutdown */
6570 mono_profiler_shutdown ();
6572 #ifndef MONO_CROSS_COMPILE
6573 mono_runtime_cleanup (domain);
6576 free_jit_tls_data (TlsGetValue (mono_jit_tls_id));
6578 mono_icall_cleanup ();
6580 mono_runtime_cleanup_handlers ();
6582 mono_domain_free (domain, TRUE);
6584 mono_debugger_cleanup ();
6588 mono_llvm_cleanup ();
6591 mono_aot_cleanup ();
6593 mono_trampolines_cleanup ();
6595 mono_unwind_cleanup ();
6597 if (!mono_dont_free_global_codeman)
6598 mono_code_manager_destroy (global_codeman);
6599 g_hash_table_destroy (jit_icall_name_hash);
6600 g_free (emul_opcode_map);
6601 g_free (emul_opcode_opcodes);
6602 g_free (vtable_trampolines);
6604 mono_arch_cleanup ();
6606 mono_generic_sharing_cleanup ();
6610 mono_trace_cleanup ();
6612 mono_counters_dump (-1, stdout);
6614 if (mono_inject_async_exc_method)
6615 mono_method_desc_free (mono_inject_async_exc_method);
6617 TlsFree(mono_jit_tls_id);
6619 DeleteCriticalSection (&jit_mutex);
6621 DeleteCriticalSection (&mono_delegate_section);
6625 mono_set_defaults (int verbose_level, guint32 opts)
6627 mini_verbose = verbose_level;
6629 default_opt_set = TRUE;
6633 mono_disable_optimizations (guint32 opts)
6635 default_opt &= ~opts;
6639 * mono_get_runtime_build_info:
6641 * Return the runtime version + build date in string format.
6642 * The returned string is owned by the caller.
6645 mono_get_runtime_build_info (void)
6647 if (mono_build_date)
6648 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
6650 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
6654 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
6656 GHashTable *assemblies = (GHashTable*)user_data;
6657 MonoImage *image = mono_assembly_get_image (ass);
6658 MonoMethod *method, *invoke;
6661 if (g_hash_table_lookup (assemblies, ass))
6664 g_hash_table_insert (assemblies, ass, ass);
6666 if (mini_verbose > 0)
6667 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
6669 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
6670 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
6671 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
6675 if (mini_verbose > 1) {
6676 char * desc = mono_method_full_name (method, TRUE);
6677 g_print ("Compiling %d %s\n", count, desc);
6680 mono_compile_method (method);
6681 if (strcmp (method->name, "Finalize") == 0) {
6682 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6683 mono_compile_method (invoke);
6685 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
6686 invoke = mono_marshal_get_remoting_invoke_with_check (method);
6687 mono_compile_method (invoke);
6691 /* Load and precompile referenced assemblies as well */
6692 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
6693 mono_assembly_load_reference (image, i);
6694 if (image->references [i])
6695 mono_precompile_assembly (image->references [i], assemblies);
6699 void mono_precompile_assemblies ()
6701 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
6703 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
6705 g_hash_table_destroy (assemblies);
6711 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
6712 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
6716 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
6718 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
6719 hole->clause = clause;
6720 hole->start_offset = start - cfg->native_code;
6721 hole->basic_block = bb;
6723 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
6727 mono_cfg_set_exception (MonoCompile *cfg, int type)
6729 cfg->exception_type = type;