2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Copyright 2003-2010 Novell, Inc.
10 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
13 #define MONO_LLVM_IN_MINI 1
23 #ifdef HAVE_SYS_TIME_H
27 #include <mono/utils/memcheck.h>
29 #include <mono/metadata/assembly.h>
30 #include <mono/metadata/loader.h>
31 #include <mono/metadata/tabledefs.h>
32 #include <mono/metadata/class.h>
33 #include <mono/metadata/object.h>
34 #include <mono/metadata/tokentype.h>
35 #include <mono/metadata/tabledefs.h>
36 #include <mono/metadata/threads.h>
37 #include <mono/metadata/appdomain.h>
38 #include <mono/metadata/debug-helpers.h>
39 #include <mono/io-layer/io-layer.h>
40 #include "mono/metadata/profiler.h"
41 #include <mono/metadata/profiler-private.h>
42 #include <mono/metadata/mono-config.h>
43 #include <mono/metadata/environment.h>
44 #include <mono/metadata/mono-debug.h>
45 #include <mono/metadata/gc-internal.h>
46 #include <mono/metadata/threads-types.h>
47 #include <mono/metadata/verify.h>
48 #include <mono/metadata/verify-internals.h>
49 #include <mono/metadata/mempool-internals.h>
50 #include <mono/metadata/attach.h>
51 #include <mono/metadata/runtime.h>
52 #include <mono/utils/mono-math.h>
53 #include <mono/utils/mono-compiler.h>
54 #include <mono/utils/mono-counters.h>
55 #include <mono/utils/mono-logger-internal.h>
56 #include <mono/utils/mono-mmap.h>
57 #include <mono/utils/mono-tls.h>
58 #include <mono/utils/dtrace.h>
61 #include "mini-llvm.h"
68 #include "jit-icalls.h"
70 #include "debug-mini.h"
72 #include "debugger-agent.h"
74 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
77 static guint32 default_opt = 0;
78 static gboolean default_opt_set = FALSE;
80 MonoNativeTlsKey mono_jit_tls_id;
82 #ifdef MONO_HAVE_FAST_TLS
83 MONO_FAST_TLS_DECLARE(mono_jit_tls);
86 #ifndef MONO_ARCH_MONITOR_ENTER_ADJUSTMENT
87 #define MONO_ARCH_MONITOR_ENTER_ADJUSTMENT 1
90 MonoTraceSpec *mono_jit_trace_calls = NULL;
91 gboolean mono_break_on_exc = FALSE;
92 gboolean mono_compile_aot = FALSE;
93 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
94 gboolean mono_aot_only = FALSE;
95 /* Whenever to use IMT */
96 #ifdef MONO_ARCH_HAVE_IMT
97 gboolean mono_use_imt = TRUE;
99 gboolean mono_use_imt = FALSE;
101 MonoMethodDesc *mono_inject_async_exc_method = NULL;
102 int mono_inject_async_exc_pos;
103 MonoMethodDesc *mono_break_at_bb_method = NULL;
104 int mono_break_at_bb_bb_num;
105 gboolean mono_do_x86_stack_align = TRUE;
106 const char *mono_build_date;
107 gboolean mono_do_signal_chaining;
108 static gboolean mono_using_xdebug;
109 static int mini_verbose = 0;
112 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
113 * it can load AOT code compiled by LLVM.
115 gboolean mono_use_llvm = FALSE;
117 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
118 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
119 static CRITICAL_SECTION jit_mutex;
121 static MonoCodeManager *global_codeman = NULL;
123 static GHashTable *jit_icall_name_hash = NULL;
125 static MonoDebugOptions debug_options;
127 #ifdef VALGRIND_JIT_REGISTER_MAP
128 static int valgrind_register = 0;
132 * Table written to by the debugger with a 1-based index into the
133 * mono_breakpoint_info table, which contains changes made to
134 * the JIT instructions by the debugger.
137 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
139 /* Whenever to check for pending exceptions in managed-to-native wrappers */
140 gboolean check_for_pending_exc = TRUE;
142 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
143 gboolean disable_vtypes_in_regs = FALSE;
145 gboolean mono_dont_free_global_codeman;
148 mono_realloc_native_code (MonoCompile *cfg)
150 #if defined(__default_codegen__)
151 return g_realloc (cfg->native_code, cfg->code_size);
152 #elif defined(__native_client_codegen__)
154 gpointer native_code;
155 guint alignment_check;
157 /* Save the old alignment offset so we can re-align after the realloc. */
158 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
160 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
161 cfg->code_size + kNaClAlignment );
163 /* Align native_code to next nearest kNaClAlignment byte. */
164 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
165 native_code = (guint)native_code & ~kNaClAlignmentMask;
167 /* Shift the data to be 32-byte aligned again. */
168 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
170 alignment_check = (guint)native_code & kNaClAlignmentMask;
171 g_assert (alignment_check == 0);
174 g_assert_not_reached ();
175 return cfg->native_code;
179 #ifdef __native_client_codegen__
181 /* Prevent instructions from straddling a 32-byte alignment boundary. */
182 /* Instructions longer than 32 bytes must be aligned internally. */
183 /* IN: pcode, instlen */
185 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
188 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
190 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
191 g_assert_not_reached();
192 } else if (instlen > space_in_block) {
193 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
197 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
198 /* IN: start pointer to start of call sequence */
199 /* IN: pcode pointer to end of call sequence (current "IP") */
200 /* OUT: start pointer to the start of the call sequence after padding */
201 /* OUT: pcode pointer to the end of the call sequence after padding */
202 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
203 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
204 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
207 const size_t length = (size_t)((*pcode)-(*start));
208 g_assert(length < MAX_NACL_CALL_LENGTH);
210 memcpy(copy_of_call, *start, length);
211 temp = mono_nacl_pad_call(*start, (guint8)length);
212 memcpy(temp, copy_of_call, length);
214 (*pcode) = temp + length;
217 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
218 /* code pointer to buffer for emitting code */
219 /* ilength length of call instruction */
220 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
221 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
222 int padding = freeSpaceInBlock - ilength;
225 /* There isn't enough space in this block for the instruction. */
226 /* Fill this block and start a new one. */
227 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
228 freeSpaceInBlock = kNaClAlignment;
229 padding = freeSpaceInBlock - ilength;
231 g_assert(ilength > 0);
232 g_assert(padding >= 0);
233 g_assert(padding < kNaClAlignment);
234 if (0 == padding) return code;
235 return mono_arch_nacl_pad(code, padding);
238 guint8 *mono_nacl_align(guint8 *code) {
239 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
240 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
244 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
246 MonoJumpInfo *patch_info;
247 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
248 unsigned char *ip = patch_info->ip.i + code;
249 ip = mono_arch_nacl_skip_nops(ip);
250 patch_info->ip.i = ip - code;
253 #endif /* __native_client_codegen__ */
256 mono_running_on_valgrind (void)
258 if (RUNNING_ON_VALGRIND){
259 #ifdef VALGRIND_JIT_REGISTER_MAP
260 valgrind_register = TRUE;
268 MonoExceptionClause *clause;
269 MonoBasicBlock *basic_block;
279 find_tramp (gpointer key, gpointer value, gpointer user_data)
281 FindTrampUserData *ud = (FindTrampUserData*)user_data;
284 ud->method = (MonoMethod*)key;
288 G_GNUC_UNUSED static char*
289 get_method_from_ip (void *ip)
294 MonoDomain *domain = mono_domain_get ();
295 MonoDebugSourceLocation *location;
296 FindTrampUserData user_data;
298 ji = mono_jit_info_table_find (domain, ip);
301 user_data.method = NULL;
302 mono_domain_lock (domain);
303 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
304 mono_domain_unlock (domain);
305 if (user_data.method) {
306 char *mname = mono_method_full_name (user_data.method, TRUE);
307 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
314 method = mono_method_full_name (ji->method, TRUE);
315 /* FIXME: unused ? */
316 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
318 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);
320 mono_debug_free_source_location (location);
328 * @ip: an instruction pointer address
330 * This method is used from a debugger to get the name of the
331 * method at address @ip. This routine is typically invoked from
332 * a debugger like this:
334 * (gdb) print mono_pmip ($pc)
336 * Returns: the name of the method at address @ip.
341 return get_method_from_ip (ip);
345 * mono_print_method_from_ip
346 * @ip: an instruction pointer address
348 * This method is used from a debugger to get the name of the
349 * method at address @ip.
351 * This prints the name of the method at address @ip in the standard
352 * output. Unlike mono_pmip which returns a string, this routine
353 * prints the value on the standard output.
356 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
357 __attribute__((used))
360 mono_print_method_from_ip (void *ip)
364 MonoDebugSourceLocation *source;
365 MonoDomain *domain = mono_domain_get ();
366 MonoDomain *target_domain = mono_domain_get ();
367 FindTrampUserData user_data;
369 ji = mini_jit_info_table_find (domain, ip, &target_domain);
372 user_data.method = NULL;
373 mono_domain_lock (domain);
374 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
375 mono_domain_unlock (domain);
376 if (user_data.method) {
377 char *mname = mono_method_full_name (user_data.method, TRUE);
378 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
382 g_print ("No method at %p\n", ip);
386 method = mono_method_full_name (ji->method, TRUE);
387 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
389 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);
392 g_print ("%s:%d\n", source->source_file, source->row);
395 mono_debug_free_source_location (source);
400 * mono_method_same_domain:
402 * Determine whenever two compiled methods are in the same domain, thus
403 * the address of the callee can be embedded in the caller.
405 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
407 if (!caller || !callee)
411 * If the call was made from domain-neutral to domain-specific
412 * code, we can't patch the call site.
414 if (caller->domain_neutral && !callee->domain_neutral)
417 if ((caller->method->klass == mono_defaults.appdomain_class) &&
418 (strstr (caller->method->name, "InvokeInDomain"))) {
419 /* The InvokeInDomain methods change the current appdomain */
427 * mono_global_codeman_reserve:
429 * Allocate code memory from the global code manager.
431 void *mono_global_codeman_reserve (int size)
436 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
438 if (!global_codeman) {
439 /* This can happen during startup */
440 global_codeman = mono_code_manager_new ();
441 return mono_code_manager_reserve (global_codeman, size);
445 ptr = mono_code_manager_reserve (global_codeman, size);
451 #if defined(__native_client_codegen__) && defined(__native_client__)
452 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
453 * which we are generating code, return a pointer to the destination in the
454 * dynamic code segment into which the code will be copied when
455 * mono_global_codeman_commit is called.
456 * LOCKING: Acquires the jit lock.
459 nacl_global_codeman_get_dest (void *data)
463 dest = nacl_code_manager_get_code_dest (global_codeman, data);
469 mono_global_codeman_commit (void *data, int size, int newsize)
472 mono_code_manager_commit (global_codeman, data, size, newsize);
477 * Convenience function which calls mono_global_codeman_commit to validate and
478 * copy the code. The caller sets *buf_base and *buf_size to the start and size
479 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
480 * the byte after the last instruction byte. On return, *buf_base will point to
481 * the start of the copied in the code segment, and *code_end will point after
482 * the end of the copied code.
485 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
487 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
488 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
489 *code_end = tmp + (*code_end - *buf_base);
493 /* no-op versions of Native Client functions */
495 nacl_global_codeman_get_dest (void *data)
501 mono_global_codeman_commit (void *data, int size, int newsize)
506 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
510 #endif /* __native_client__ */
513 * mono_create_unwind_op:
515 * Create an unwind op with the given parameters.
518 mono_create_unwind_op (int when, int tag, int reg, int val)
520 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
531 * mono_emit_unwind_op:
533 * Add an unwind op with the given parameters for the list of unwind ops stored in
537 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
539 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
546 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
550 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
552 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
555 res->has_context = context != NULL;
557 memcpy (&res->context, context, sizeof (MonoGenericContext));
563 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
565 return mono_jump_info_token_new2 (mp, image, token, NULL);
569 * mono_tramp_info_create:
571 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
572 * of NAME, JI, and UNWIND_OPS.
575 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
577 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
579 info->name = (char*)name;
581 info->code_size = code_size;
583 info->unwind_ops = unwind_ops;
589 mono_tramp_info_free (MonoTrampInfo *info)
596 for (l = info->unwind_ops; l; l = l->next)
598 g_slist_free (info->unwind_ops);
602 #define MONO_INIT_VARINFO(vi,id) do { \
603 (vi)->range.first_use.pos.bid = 0xffff; \
609 * mono_unlink_bblock:
611 * Unlink two basic blocks.
614 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
620 for (i = 0; i < from->out_count; ++i) {
621 if (to == from->out_bb [i]) {
628 for (i = 0; i < from->out_count; ++i) {
629 if (from->out_bb [i] != to)
630 from->out_bb [pos ++] = from->out_bb [i];
632 g_assert (pos == from->out_count - 1);
637 for (i = 0; i < to->in_count; ++i) {
638 if (from == to->in_bb [i]) {
645 for (i = 0; i < to->in_count; ++i) {
646 if (to->in_bb [i] != from)
647 to->in_bb [pos ++] = to->in_bb [i];
649 g_assert (pos == to->in_count - 1);
655 * mono_bblocks_linked:
657 * Return whenever BB1 and BB2 are linked in the CFG.
660 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
664 for (i = 0; i < bb1->out_count; ++i) {
665 if (bb1->out_bb [i] == bb2)
673 mono_find_block_region_notry (MonoCompile *cfg, int offset)
675 MonoMethodHeader *header = cfg->header;
676 MonoExceptionClause *clause;
679 for (i = 0; i < header->num_clauses; ++i) {
680 clause = &header->clauses [i];
681 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
682 (offset < (clause->handler_offset)))
683 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
685 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
686 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
687 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
688 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
689 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
691 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
699 * mono_get_block_region_notry:
701 * Return the region corresponding to REGION, ignoring try clauses nested inside
705 mono_get_block_region_notry (MonoCompile *cfg, int region)
707 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
708 MonoMethodHeader *header = cfg->header;
711 * This can happen if a try clause is nested inside a finally clause.
713 int clause_index = (region >> 8) - 1;
714 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
716 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
723 mono_find_spvar_for_region (MonoCompile *cfg, int region)
725 region = mono_get_block_region_notry (cfg, region);
727 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
731 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
735 array [*dfn] = start;
736 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
737 for (i = 0; i < start->out_count; ++i) {
738 if (start->out_bb [i]->dfn)
741 start->out_bb [i]->dfn = *dfn;
742 start->out_bb [i]->df_parent = start;
743 array [*dfn] = start->out_bb [i];
744 df_visit (start->out_bb [i], dfn, array);
749 mono_reverse_branch_op (guint32 opcode)
751 static const int reverse_map [] = {
752 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
753 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
755 static const int reverse_fmap [] = {
756 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
757 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
759 static const int reverse_lmap [] = {
760 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
761 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
763 static const int reverse_imap [] = {
764 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
765 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
768 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
769 opcode = reverse_map [opcode - CEE_BEQ];
770 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
771 opcode = reverse_fmap [opcode - OP_FBEQ];
772 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
773 opcode = reverse_lmap [opcode - OP_LBEQ];
774 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
775 opcode = reverse_imap [opcode - OP_IBEQ];
777 g_assert_not_reached ();
783 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
786 return OP_STORE_MEMBASE_REG;
789 switch (type->type) {
792 case MONO_TYPE_BOOLEAN:
793 return OP_STOREI1_MEMBASE_REG;
797 return OP_STOREI2_MEMBASE_REG;
800 return OP_STOREI4_MEMBASE_REG;
804 case MONO_TYPE_FNPTR:
805 return OP_STORE_MEMBASE_REG;
806 case MONO_TYPE_CLASS:
807 case MONO_TYPE_STRING:
808 case MONO_TYPE_OBJECT:
809 case MONO_TYPE_SZARRAY:
810 case MONO_TYPE_ARRAY:
811 return OP_STORE_MEMBASE_REG;
814 return OP_STOREI8_MEMBASE_REG;
816 return OP_STORER4_MEMBASE_REG;
818 return OP_STORER8_MEMBASE_REG;
819 case MONO_TYPE_VALUETYPE:
820 if (type->data.klass->enumtype) {
821 type = mono_class_enum_basetype (type->data.klass);
824 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
825 return OP_STOREX_MEMBASE;
826 return OP_STOREV_MEMBASE;
827 case MONO_TYPE_TYPEDBYREF:
828 return OP_STOREV_MEMBASE;
829 case MONO_TYPE_GENERICINST:
830 type = &type->data.generic_class->container_class->byval_arg;
834 /* FIXME: all the arguments must be references for now,
835 * later look inside cfg and see if the arg num is
838 g_assert (cfg->generic_sharing_context);
839 return OP_STORE_MEMBASE_REG;
841 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
847 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
850 return OP_LOAD_MEMBASE;
852 type = mono_type_get_underlying_type (type);
854 switch (type->type) {
856 return OP_LOADI1_MEMBASE;
858 case MONO_TYPE_BOOLEAN:
859 return OP_LOADU1_MEMBASE;
861 return OP_LOADI2_MEMBASE;
864 return OP_LOADU2_MEMBASE;
866 return OP_LOADI4_MEMBASE;
868 return OP_LOADU4_MEMBASE;
872 case MONO_TYPE_FNPTR:
873 return OP_LOAD_MEMBASE;
874 case MONO_TYPE_CLASS:
875 case MONO_TYPE_STRING:
876 case MONO_TYPE_OBJECT:
877 case MONO_TYPE_SZARRAY:
878 case MONO_TYPE_ARRAY:
879 return OP_LOAD_MEMBASE;
882 return OP_LOADI8_MEMBASE;
884 return OP_LOADR4_MEMBASE;
886 return OP_LOADR8_MEMBASE;
887 case MONO_TYPE_VALUETYPE:
888 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
889 return OP_LOADX_MEMBASE;
890 case MONO_TYPE_TYPEDBYREF:
891 return OP_LOADV_MEMBASE;
892 case MONO_TYPE_GENERICINST:
893 if (mono_type_generic_inst_is_valuetype (type))
894 return OP_LOADV_MEMBASE;
896 return OP_LOAD_MEMBASE;
900 /* FIXME: all the arguments must be references for now,
901 * later look inside cfg and see if the arg num is
904 g_assert (cfg->generic_sharing_context);
905 return OP_LOAD_MEMBASE;
907 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
913 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
915 if (cfg->generic_sharing_context && !type->byref) {
916 /* FIXME: all the arguments must be references for now,
917 * later look inside cfg and see if the arg num is
920 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
921 return CEE_LDIND_REF;
923 return mono_type_to_ldind (type);
927 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
929 if (cfg->generic_sharing_context && !type->byref) {
930 /* FIXME: all the arguments must be references for now,
931 * later look inside cfg and see if the arg num is
934 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
935 return CEE_STIND_REF;
937 return mono_type_to_stind (type);
941 mono_op_imm_to_op (int opcode)
945 #if SIZEOF_REGISTER == 4
961 #if SIZEOF_REGISTER == 4
967 #if SIZEOF_REGISTER == 4
973 #if SIZEOF_REGISTER == 4
1000 case OP_LSHR_UN_IMM:
1004 case OP_IDIV_UN_IMM:
1006 case OP_IREM_UN_IMM:
1011 #if SIZEOF_REGISTER == 4
1017 #if SIZEOF_REGISTER == 4
1034 case OP_COMPARE_IMM:
1036 case OP_ICOMPARE_IMM:
1038 case OP_LOCALLOC_IMM:
1041 printf ("%s\n", mono_inst_name (opcode));
1042 g_assert_not_reached ();
1048 * mono_decompose_op_imm:
1050 * Replace the OP_.._IMM INS with its non IMM variant.
1053 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1057 MONO_INST_NEW (cfg, temp, OP_ICONST);
1058 temp->inst_c0 = ins->inst_imm;
1059 temp->dreg = mono_alloc_ireg (cfg);
1060 mono_bblock_insert_before_ins (bb, ins, temp);
1061 ins->opcode = mono_op_imm_to_op (ins->opcode);
1062 if (ins->opcode == OP_LOCALLOC)
1063 ins->sreg1 = temp->dreg;
1065 ins->sreg2 = temp->dreg;
1067 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1071 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1073 if (vreg >= cfg->vreg_to_inst_len) {
1074 MonoInst **tmp = cfg->vreg_to_inst;
1075 int size = cfg->vreg_to_inst_len;
1077 while (vreg >= cfg->vreg_to_inst_len)
1078 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1079 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1081 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1083 cfg->vreg_to_inst [vreg] = inst;
1086 #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)))
1087 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1092 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1100 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1103 int num = cfg->num_varinfo;
1106 if ((num + 1) >= cfg->varinfo_count) {
1107 int orig_count = cfg->varinfo_count;
1108 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1109 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1110 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1111 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1114 cfg->stat_allocate_var++;
1116 MONO_INST_NEW (cfg, inst, opcode);
1117 inst->inst_c0 = num;
1118 inst->inst_vtype = type;
1119 inst->klass = mono_class_from_mono_type (type);
1120 type_to_eval_stack_type (cfg, type, inst);
1121 /* if set to 1 the variable is native */
1122 inst->backend.is_pinvoke = 0;
1125 if (cfg->compute_gc_maps) {
1127 mono_mark_vreg_as_mp (cfg, vreg);
1129 MonoType *t = mini_type_get_underlying_type (NULL, type);
1130 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1131 inst->flags |= MONO_INST_GC_TRACK;
1132 mono_mark_vreg_as_ref (cfg, vreg);
1137 cfg->varinfo [num] = inst;
1139 MONO_INIT_VARINFO (&cfg->vars [num], num);
1140 MONO_VARINFO (cfg, num)->vreg = vreg;
1143 set_vreg_to_inst (cfg, vreg, inst);
1145 #if SIZEOF_REGISTER == 4
1146 #ifdef MONO_ARCH_SOFT_FLOAT
1147 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1149 regpair = mono_type_is_long (type);
1159 * These two cannot be allocated using create_var_for_vreg since that would
1160 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1164 * Set flags to VOLATILE so SSA skips it.
1167 if (cfg->verbose_level >= 4) {
1168 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1171 #ifdef MONO_ARCH_SOFT_FLOAT
1172 if (cfg->opt & MONO_OPT_SSA) {
1173 if (mono_type_is_float (type))
1174 inst->flags = MONO_INST_VOLATILE;
1178 /* Allocate a dummy MonoInst for the first vreg */
1179 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1180 tree->dreg = inst->dreg + 1;
1181 if (cfg->opt & MONO_OPT_SSA)
1182 tree->flags = MONO_INST_VOLATILE;
1183 tree->inst_c0 = num;
1184 tree->type = STACK_I4;
1185 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1186 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1188 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1190 /* Allocate a dummy MonoInst for the second vreg */
1191 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1192 tree->dreg = inst->dreg + 2;
1193 if (cfg->opt & MONO_OPT_SSA)
1194 tree->flags = MONO_INST_VOLATILE;
1195 tree->inst_c0 = num;
1196 tree->type = STACK_I4;
1197 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1198 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1200 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1204 if (cfg->verbose_level > 2)
1205 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1210 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1214 if (mono_type_is_long (type))
1215 dreg = mono_alloc_dreg (cfg, STACK_I8);
1216 #ifdef MONO_ARCH_SOFT_FLOAT
1217 else if (mono_type_is_float (type))
1218 dreg = mono_alloc_dreg (cfg, STACK_R8);
1221 /* All the others are unified */
1222 dreg = mono_alloc_preg (cfg);
1224 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1228 * Transform a MonoInst into a load from the variable of index var_index.
1231 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1232 memset (dest, 0, sizeof (MonoInst));
1233 dest->inst_i0 = cfg->varinfo [var_index];
1234 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1235 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1236 dest->klass = dest->inst_i0->klass;
1242 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1244 if (vreg >= cfg->vreg_is_ref_len) {
1245 gboolean *tmp = cfg->vreg_is_ref;
1246 int size = cfg->vreg_is_ref_len;
1248 while (vreg >= cfg->vreg_is_ref_len)
1249 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1250 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1252 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1254 cfg->vreg_is_ref [vreg] = TRUE;
1258 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1260 if (vreg >= cfg->vreg_is_mp_len) {
1261 gboolean *tmp = cfg->vreg_is_mp;
1262 int size = cfg->vreg_is_mp_len;
1264 while (vreg >= cfg->vreg_is_mp_len)
1265 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1266 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1268 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1270 cfg->vreg_is_mp [vreg] = TRUE;
1274 type_from_stack_type (MonoInst *ins) {
1275 switch (ins->type) {
1276 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1277 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1278 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1279 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1282 * this if used to be commented without any specific reason, but
1283 * it breaks #80235 when commented
1286 return &ins->klass->this_arg;
1288 return &mono_defaults.object_class->this_arg;
1290 /* ins->klass may not be set for ldnull.
1291 * Also, if we have a boxed valuetype, we want an object lass,
1292 * not the valuetype class
1294 if (ins->klass && !ins->klass->valuetype)
1295 return &ins->klass->byval_arg;
1296 return &mono_defaults.object_class->byval_arg;
1297 case STACK_VTYPE: return &ins->klass->byval_arg;
1299 g_error ("stack type %d to montype not handled\n", ins->type);
1305 mono_type_from_stack_type (MonoInst *ins) {
1306 return type_from_stack_type (ins);
1310 * mono_add_ins_to_end:
1312 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1315 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1320 MONO_ADD_INS (bb, inst);
1324 switch (bb->last_ins->opcode) {
1338 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1341 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1342 /* Need to insert the ins before the compare */
1343 if (bb->code == bb->last_ins) {
1344 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1348 if (bb->code->next == bb->last_ins) {
1349 /* Only two instructions */
1350 opcode = bb->code->opcode;
1352 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)) {
1354 mono_bblock_insert_before_ins (bb, bb->code, inst);
1356 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1359 opcode = bb->last_ins->prev->opcode;
1361 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)) {
1363 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1365 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1370 MONO_ADD_INS (bb, inst);
1376 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1378 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1379 MonoJumpInfoBBTable *table;
1381 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1383 table->table_size = num_blocks;
1385 ji->ip.label = label;
1386 ji->type = MONO_PATCH_INFO_SWITCH;
1387 ji->data.table = table;
1388 ji->next = cfg->patch_info;
1389 cfg->patch_info = ji;
1392 static MonoMethodSignature *
1393 mono_get_array_new_va_signature (int arity)
1395 static GHashTable *sighash = NULL;
1396 MonoMethodSignature *res;
1401 sighash = g_hash_table_new (NULL, NULL);
1403 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1408 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1411 #ifdef MONO_ARCH_VARARG_ICALLS
1412 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1413 res->call_convention = MONO_CALL_VARARG;
1417 res->call_convention = MONO_CALL_C;
1420 res->params [0] = &mono_defaults.int_class->byval_arg;
1421 for (i = 0; i < arity; i++)
1422 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1424 res->ret = &mono_defaults.object_class->byval_arg;
1426 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1433 mono_get_array_new_va_icall (int rank)
1435 MonoMethodSignature *esig;
1436 char icall_name [256];
1438 MonoJitICallInfo *info;
1440 /* Need to register the icall so it gets an icall wrapper */
1441 sprintf (icall_name, "ves_array_new_va_%d", rank);
1444 info = mono_find_jit_icall_by_name (icall_name);
1446 esig = mono_get_array_new_va_signature (rank);
1447 name = g_strdup (icall_name);
1448 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1450 g_hash_table_insert (jit_icall_name_hash, name, name);
1458 mini_class_is_system_array (MonoClass *klass)
1460 if (klass->parent == mono_defaults.array_class)
1467 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1469 MonoAssembly *assembly = method->klass->image->assembly;
1470 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1472 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1474 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1476 return mono_assembly_has_skip_verification (assembly);
1480 * mini_method_verify:
1482 * Verify the method using the new verfier.
1484 * Returns true if the method is invalid.
1487 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1490 gboolean is_fulltrust;
1491 MonoLoaderError *error;
1493 if (method->verification_success)
1496 if (!mono_verifier_is_enabled_for_method (method))
1499 /*skip verification implies the assembly must be */
1500 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1502 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1504 if ((error = mono_loader_get_last_error ())) {
1506 cfg->exception_type = error->exception_type;
1508 mono_loader_clear_error ();
1510 mono_free_verify_list (res);
1515 for (tmp = res; tmp; tmp = tmp->next) {
1516 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1517 if (info->info.status == MONO_VERIFY_ERROR) {
1519 char *method_name = mono_method_full_name (method, TRUE);
1520 cfg->exception_type = info->exception_type;
1521 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1522 g_free (method_name);
1524 mono_free_verify_list (res);
1527 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1529 char *method_name = mono_method_full_name (method, TRUE);
1530 cfg->exception_type = info->exception_type;
1531 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1532 g_free (method_name);
1534 mono_free_verify_list (res);
1538 mono_free_verify_list (res);
1540 method->verification_success = 1;
1544 /*Returns true if something went wrong*/
1546 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1548 MonoMethod *method_definition = method;
1549 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1551 while (method_definition->is_inflated) {
1552 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1553 method_definition = imethod->declaring;
1556 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1559 static gconstpointer
1560 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1563 MonoMethod *wrapper;
1564 gconstpointer trampoline;
1565 MonoDomain *domain = mono_get_root_domain ();
1567 if (callinfo->wrapper) {
1568 return callinfo->wrapper;
1571 if (callinfo->trampoline)
1572 return callinfo->trampoline;
1575 * We use the lock on the root domain instead of the JIT lock to protect
1576 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1578 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1579 mono_domain_lock (domain);
1581 if (callinfo->trampoline) {
1582 mono_domain_unlock (domain);
1583 mono_loader_unlock ();
1584 return callinfo->trampoline;
1587 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1588 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1592 trampoline = mono_compile_method (wrapper);
1594 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1595 mono_register_jit_icall_wrapper (callinfo, trampoline);
1597 callinfo->trampoline = trampoline;
1599 mono_domain_unlock (domain);
1600 mono_loader_unlock ();
1602 return callinfo->trampoline;
1606 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1608 return mono_icall_get_wrapper_full (callinfo, FALSE);
1612 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1614 if (!domain_jit_info (domain)->dynamic_code_hash)
1615 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1616 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1619 static MonoJitDynamicMethodInfo*
1620 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1622 MonoJitDynamicMethodInfo *res;
1624 if (domain_jit_info (domain)->dynamic_code_hash)
1625 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1633 GList *active, *inactive;
1638 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1640 MonoMethodVar *v1 = (MonoMethodVar*)a;
1641 MonoMethodVar *v2 = (MonoMethodVar*)b;
1645 else if (v1->interval->range && v2->interval->range)
1646 return v1->interval->range->from - v2->interval->range->from;
1647 else if (v1->interval->range)
1656 #define LSCAN_DEBUG(a) do { a; } while (0)
1658 #define LSCAN_DEBUG(a)
1662 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1664 int i, slot, offset, size;
1669 GList *vars = NULL, *l, *unhandled;
1670 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1673 gboolean reuse_slot;
1675 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1677 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1678 vtype_stack_slots = NULL;
1681 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1682 for (i = 0; i < cfg->num_varinfo; ++i)
1685 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1686 inst = cfg->varinfo [i];
1687 vmv = MONO_VARINFO (cfg, i);
1689 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1692 vars = g_list_prepend (vars, vmv);
1695 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1700 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1701 MonoMethodVar *current = unhandled->data;
1703 if (current->interval->range) {
1704 g_assert (current->interval->range->from >= i);
1705 i = current->interval->range->from;
1712 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1713 MonoMethodVar *current = unhandled->data;
1716 inst = cfg->varinfo [vmv->idx];
1718 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1719 * pinvoke wrappers when they call functions returning structures */
1720 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1721 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1726 size = mono_type_size (inst->inst_vtype, &ialign);
1729 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1734 if (cfg->disable_reuse_stack_slots)
1737 t = mono_type_get_underlying_type (inst->inst_vtype);
1739 case MONO_TYPE_GENERICINST:
1740 if (!mono_type_generic_inst_is_valuetype (t)) {
1741 slot_info = &scalar_stack_slots [t->type];
1745 case MONO_TYPE_VALUETYPE:
1746 if (!vtype_stack_slots)
1747 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1748 for (i = 0; i < nvtypes; ++i)
1749 if (t->data.klass == vtype_stack_slots [i].vtype)
1752 slot_info = &vtype_stack_slots [i];
1754 g_assert (nvtypes < 256);
1755 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1756 slot_info = &vtype_stack_slots [nvtypes];
1759 if (cfg->disable_reuse_ref_stack_slots)
1766 #if SIZEOF_VOID_P == 4
1771 if (cfg->disable_ref_noref_stack_slot_share) {
1772 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1777 case MONO_TYPE_CLASS:
1778 case MONO_TYPE_OBJECT:
1779 case MONO_TYPE_ARRAY:
1780 case MONO_TYPE_SZARRAY:
1781 case MONO_TYPE_STRING:
1782 /* Share non-float stack slots of the same size */
1783 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1784 if (cfg->disable_reuse_ref_stack_slots)
1789 slot_info = &scalar_stack_slots [t->type];
1793 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1797 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1799 if (!current->interval->range) {
1800 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1804 inst->flags |= MONO_INST_IS_DEAD;
1809 pos = current->interval->range->from;
1811 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1812 if (current->interval->range)
1813 LSCAN_DEBUG (mono_linterval_print (current->interval));
1814 LSCAN_DEBUG (printf ("\n"));
1816 /* Check for intervals in active which expired or inactive */
1818 /* FIXME: Optimize this */
1821 for (l = slot_info->active; l != NULL; l = l->next) {
1822 MonoMethodVar *v = (MonoMethodVar*)l->data;
1824 if (v->interval->last_range->to < pos) {
1825 slot_info->active = g_list_delete_link (slot_info->active, l);
1826 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1827 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1831 else if (!mono_linterval_covers (v->interval, pos)) {
1832 slot_info->inactive = g_list_append (slot_info->inactive, v);
1833 slot_info->active = g_list_delete_link (slot_info->active, l);
1834 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1841 /* Check for intervals in inactive which expired or active */
1843 /* FIXME: Optimize this */
1846 for (l = slot_info->inactive; l != NULL; l = l->next) {
1847 MonoMethodVar *v = (MonoMethodVar*)l->data;
1849 if (v->interval->last_range->to < pos) {
1850 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1851 // FIXME: Enabling this seems to cause impossible to debug crashes
1852 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1853 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1857 else if (mono_linterval_covers (v->interval, pos)) {
1858 slot_info->active = g_list_append (slot_info->active, v);
1859 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1860 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1868 * This also handles the case when the variable is used in an
1869 * exception region, as liveness info is not computed there.
1872 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1875 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1876 if (slot_info->slots) {
1877 slot = GPOINTER_TO_INT (slot_info->slots->data);
1879 slot_info->slots = slot_info->slots->next;
1882 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1884 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1890 static int count = 0;
1893 if (count == atoi (getenv ("COUNT3")))
1894 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1895 if (count > atoi (getenv ("COUNT3")))
1898 mono_print_ins (inst);
1903 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1905 if (inst->flags & MONO_INST_LMF) {
1906 size = sizeof (MonoLMF);
1907 align = sizeof (mgreg_t);
1914 if (slot == 0xffffff) {
1916 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1917 * efficient copying (and to work around the fact that OP_MEMCPY
1918 * and OP_MEMSET ignores alignment).
1920 if (MONO_TYPE_ISSTRUCT (t)) {
1921 align = MAX (align, sizeof (gpointer));
1922 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1927 offset += align - 1;
1928 offset &= ~(align - 1);
1932 offset += align - 1;
1933 offset &= ~(align - 1);
1938 if (*stack_align == 0)
1939 *stack_align = align;
1942 offsets [vmv->idx] = slot;
1945 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1946 if (scalar_stack_slots [i].active)
1947 g_list_free (scalar_stack_slots [i].active);
1949 for (i = 0; i < nvtypes; ++i) {
1950 if (vtype_stack_slots [i].active)
1951 g_list_free (vtype_stack_slots [i].active);
1954 cfg->stat_locals_stack_size += offset;
1956 *stack_size = offset;
1961 * mono_allocate_stack_slots:
1963 * Allocate stack slots for all non register allocated variables using a
1964 * linear scan algorithm.
1965 * Returns: an array of stack offsets.
1966 * STACK_SIZE is set to the amount of stack space needed.
1967 * STACK_ALIGN is set to the alignment needed by the locals area.
1970 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1972 int i, slot, offset, size;
1977 GList *vars = NULL, *l;
1978 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1981 gboolean reuse_slot;
1983 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1984 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
1986 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1987 vtype_stack_slots = NULL;
1990 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1991 for (i = 0; i < cfg->num_varinfo; ++i)
1994 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1995 inst = cfg->varinfo [i];
1996 vmv = MONO_VARINFO (cfg, i);
1998 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2001 vars = g_list_prepend (vars, vmv);
2004 vars = mono_varlist_sort (cfg, vars, 0);
2006 *stack_align = sizeof(mgreg_t);
2007 for (l = vars; l; l = l->next) {
2009 inst = cfg->varinfo [vmv->idx];
2011 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2012 * pinvoke wrappers when they call functions returning structures */
2013 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
2014 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
2018 size = mono_type_size (inst->inst_vtype, &ialign);
2021 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
2026 if (cfg->disable_reuse_stack_slots)
2029 t = mono_type_get_underlying_type (inst->inst_vtype);
2031 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2034 case MONO_TYPE_GENERICINST:
2035 if (!mono_type_generic_inst_is_valuetype (t)) {
2036 slot_info = &scalar_stack_slots [t->type];
2040 case MONO_TYPE_VALUETYPE:
2041 if (!vtype_stack_slots)
2042 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2043 for (i = 0; i < nvtypes; ++i)
2044 if (t->data.klass == vtype_stack_slots [i].vtype)
2047 slot_info = &vtype_stack_slots [i];
2049 g_assert (nvtypes < 256);
2050 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2051 slot_info = &vtype_stack_slots [nvtypes];
2054 if (cfg->disable_reuse_ref_stack_slots)
2061 #if SIZEOF_VOID_P == 4
2066 if (cfg->disable_ref_noref_stack_slot_share) {
2067 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2072 case MONO_TYPE_CLASS:
2073 case MONO_TYPE_OBJECT:
2074 case MONO_TYPE_ARRAY:
2075 case MONO_TYPE_SZARRAY:
2076 case MONO_TYPE_STRING:
2077 /* Share non-float stack slots of the same size */
2078 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2079 if (cfg->disable_reuse_ref_stack_slots)
2084 slot_info = &scalar_stack_slots [t->type];
2089 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2090 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2092 /* expire old intervals in active */
2093 while (slot_info->active) {
2094 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2096 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2099 //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);
2101 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2102 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2106 * This also handles the case when the variable is used in an
2107 * exception region, as liveness info is not computed there.
2110 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2113 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2114 if (slot_info->slots) {
2115 slot = GPOINTER_TO_INT (slot_info->slots->data);
2117 slot_info->slots = slot_info->slots->next;
2120 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2125 static int count = 0;
2129 if (count == atoi (getenv ("COUNT")))
2130 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2131 if (count > atoi (getenv ("COUNT")))
2134 mono_print_ins (inst);
2139 if (inst->flags & MONO_INST_LMF) {
2141 * This variable represents a MonoLMF structure, which has no corresponding
2142 * CLR type, so hard-code its size/alignment.
2144 size = sizeof (MonoLMF);
2145 align = sizeof (mgreg_t);
2152 if (slot == 0xffffff) {
2154 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2155 * efficient copying (and to work around the fact that OP_MEMCPY
2156 * and OP_MEMSET ignores alignment).
2158 if (MONO_TYPE_ISSTRUCT (t)) {
2159 align = MAX (align, sizeof (gpointer));
2160 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2162 * Align the size too so the code generated for passing vtypes in
2163 * registers doesn't overwrite random locals.
2165 size = (size + (align - 1)) & ~(align -1);
2170 offset += align - 1;
2171 offset &= ~(align - 1);
2175 offset += align - 1;
2176 offset &= ~(align - 1);
2181 *stack_align = MAX (*stack_align, align);
2184 offsets [vmv->idx] = slot;
2187 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2188 if (scalar_stack_slots [i].active)
2189 g_list_free (scalar_stack_slots [i].active);
2191 for (i = 0; i < nvtypes; ++i) {
2192 if (vtype_stack_slots [i].active)
2193 g_list_free (vtype_stack_slots [i].active);
2196 cfg->stat_locals_stack_size += offset;
2198 *stack_size = offset;
2205 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2207 g_assert_not_reached ();
2211 #endif /* DISABLE_JIT */
2213 #define EMUL_HIT_SHIFT 3
2214 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2215 /* small hit bitmap cache */
2216 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2217 static short emul_opcode_num = 0;
2218 static short emul_opcode_alloced = 0;
2219 static short *emul_opcode_opcodes = NULL;
2220 static MonoJitICallInfo **emul_opcode_map = NULL;
2223 mono_find_jit_opcode_emulation (int opcode)
2225 g_assert (opcode >= 0 && opcode <= OP_LAST);
2226 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2228 for (i = 0; i < emul_opcode_num; ++i) {
2229 if (emul_opcode_opcodes [i] == opcode)
2230 return emul_opcode_map [i];
2237 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
2239 MonoJitICallInfo *info;
2240 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2242 g_assert (!sig->hasthis);
2243 g_assert (sig->param_count < 3);
2245 info = mono_register_jit_icall (func, name, sig, no_throw);
2247 if (emul_opcode_num >= emul_opcode_alloced) {
2248 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2249 emul_opcode_alloced += incr;
2250 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2251 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2253 emul_opcode_map [emul_opcode_num] = info;
2254 emul_opcode_opcodes [emul_opcode_num] = opcode;
2256 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2260 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2262 MonoMethodSignature *sig;
2265 sig = mono_create_icall_signature (sigstr);
2269 mono_register_jit_icall (func, name, sig, save);
2273 print_dfn (MonoCompile *cfg) {
2280 char *method_name = mono_method_full_name (cfg->method, TRUE);
2281 g_print ("IR code for method %s\n", method_name);
2282 g_free (method_name);
2285 for (i = 0; i < cfg->num_bblocks; ++i) {
2286 bb = cfg->bblocks [i];
2287 /*if (bb->cil_code) {
2288 char* code1, *code2;
2289 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2290 if (bb->last_ins->cil_code)
2291 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2293 code2 = g_strdup ("");
2295 code1 [strlen (code1) - 1] = 0;
2296 code = g_strdup_printf ("%s -> %s", code1, code2);
2300 code = g_strdup ("\n");
2301 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2302 MONO_BB_FOR_EACH_INS (bb, c) {
2303 mono_print_ins_index (-1, c);
2306 g_print ("\tprev:");
2307 for (j = 0; j < bb->in_count; ++j) {
2308 g_print (" BB%d", bb->in_bb [j]->block_num);
2310 g_print ("\t\tsucc:");
2311 for (j = 0; j < bb->out_count; ++j) {
2312 g_print (" BB%d", bb->out_bb [j]->block_num);
2314 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2317 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2320 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2322 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2330 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2332 MONO_ADD_INS (bb, inst);
2336 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2340 bb->code = ins_to_insert;
2342 /* Link with next */
2343 ins_to_insert->next = ins;
2345 ins->prev = ins_to_insert;
2347 if (bb->last_ins == NULL)
2348 bb->last_ins = ins_to_insert;
2350 /* Link with next */
2351 ins_to_insert->next = ins->next;
2353 ins->next->prev = ins_to_insert;
2355 /* Link with previous */
2356 ins->next = ins_to_insert;
2357 ins_to_insert->prev = ins;
2359 if (bb->last_ins == ins)
2360 bb->last_ins = ins_to_insert;
2365 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2370 ins->prev = ins_to_insert;
2371 bb->code = ins_to_insert;
2372 ins_to_insert->next = ins;
2373 if (bb->last_ins == NULL)
2374 bb->last_ins = ins_to_insert;
2376 /* Link with previous */
2378 ins->prev->next = ins_to_insert;
2379 ins_to_insert->prev = ins->prev;
2381 /* Link with next */
2382 ins->prev = ins_to_insert;
2383 ins_to_insert->next = ins;
2385 if (bb->code == ins)
2386 bb->code = ins_to_insert;
2391 * mono_verify_bblock:
2393 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2396 mono_verify_bblock (MonoBasicBlock *bb)
2398 MonoInst *ins, *prev;
2401 for (ins = bb->code; ins; ins = ins->next) {
2402 g_assert (ins->prev == prev);
2406 g_assert (!bb->last_ins->next);
2412 * Perform consistency checks on the JIT data structures and the IR
2415 mono_verify_cfg (MonoCompile *cfg)
2419 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2420 mono_verify_bblock (bb);
2424 mono_destroy_compile (MonoCompile *cfg)
2429 mono_metadata_free_mh (cfg->header);
2430 //mono_mempool_stats (cfg->mempool);
2431 mono_free_loop_info (cfg);
2433 mono_regstate_free (cfg->rs);
2435 g_hash_table_destroy (cfg->spvars);
2437 g_hash_table_destroy (cfg->exvars);
2438 for (l = cfg->headers_to_free; l; l = l->next)
2439 mono_metadata_free_mh (l->data);
2440 g_list_free (cfg->ldstr_list);
2441 g_hash_table_destroy (cfg->token_info_hash);
2442 if (cfg->abs_patches)
2443 g_hash_table_destroy (cfg->abs_patches);
2444 mono_mempool_destroy (cfg->mempool);
2446 mono_debug_free_method (cfg);
2448 g_free (cfg->varinfo);
2450 g_free (cfg->exception_message);
2454 #ifdef MONO_HAVE_FAST_TLS
2455 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2456 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2458 * When this is defined, the current lmf is stored in this tls variable instead of in
2461 MONO_FAST_TLS_DECLARE(mono_lmf);
2466 mono_get_jit_tls_key (void)
2468 return mono_jit_tls_id;
2472 mono_get_jit_tls_offset (void)
2475 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2480 mono_get_lmf_tls_offset (void)
2482 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2484 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2492 mono_get_lmf_addr_tls_offset (void)
2495 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2502 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2503 return MONO_FAST_TLS_GET (mono_lmf);
2505 MonoJitTlsData *jit_tls;
2507 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2508 return jit_tls->lmf;
2510 * We do not assert here because this function can be called from
2511 * mini-gc.c on a thread that has not executed any managed code, yet
2512 * (the thread object allocation can trigger a collection).
2519 mono_get_lmf_addr (void)
2521 #ifdef MONO_HAVE_FAST_TLS
2522 return MONO_FAST_TLS_GET (mono_lmf_addr);
2524 MonoJitTlsData *jit_tls;
2526 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2527 return &jit_tls->lmf;
2530 * When resolving the call to mono_jit_thread_attach full-aot will look
2531 * in the plt, which causes a call into the generic trampoline, which in turn
2532 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2533 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2534 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2537 mono_jit_thread_attach (NULL);
2539 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2540 return &jit_tls->lmf;
2542 g_assert_not_reached ();
2548 mono_set_lmf (MonoLMF *lmf)
2550 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2551 MONO_FAST_TLS_SET (mono_lmf, lmf);
2554 (*mono_get_lmf_addr ()) = lmf;
2558 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2560 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2562 #ifdef MONO_HAVE_FAST_TLS
2563 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2568 mono_set_lmf_addr (gpointer lmf_addr)
2570 #ifdef MONO_HAVE_FAST_TLS
2571 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2575 /* Called by native->managed wrappers */
2577 mono_jit_thread_attach (MonoDomain *domain)
2581 * Happens when called from AOTed code which is only used in the root
2584 domain = mono_get_root_domain ();
2586 #ifdef MONO_HAVE_FAST_TLS
2587 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2588 mono_thread_attach (domain);
2590 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2593 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2594 mono_thread_attach (domain);
2595 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2598 if (mono_domain_get () != domain)
2599 mono_domain_set (domain, TRUE);
2603 * mono_thread_abort:
2604 * @obj: exception object
2606 * abort the thread, print exception information and stack trace
2609 mono_thread_abort (MonoObject *obj)
2611 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2613 /* handle_remove should be eventually called for this thread, too
2616 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2617 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2618 mono_thread_exit ();
2620 MonoObject *other = NULL;
2621 MonoString *str = mono_object_to_string (obj, &other);
2623 char *msg = mono_string_to_utf8 (str);
2624 fprintf (stderr, "[ERROR] FATAL UNHANDLED EXCEPTION: %s\n", msg);
2629 exit (mono_environment_exitcode_get ());
2634 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2636 MonoJitTlsData *jit_tls;
2639 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2643 jit_tls = g_new0 (MonoJitTlsData, 1);
2645 jit_tls->abort_func = abort_func;
2646 jit_tls->end_of_stack = stack_start;
2648 mono_set_jit_tls (jit_tls);
2650 lmf = g_new0 (MonoLMF, 1);
2651 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2653 jit_tls->first_lmf = lmf;
2655 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2656 /* jit_tls->lmf is unused */
2657 MONO_FAST_TLS_SET (mono_lmf, lmf);
2658 mono_set_lmf_addr (&mono_lmf);
2660 mono_set_lmf_addr (&jit_tls->lmf);
2665 mono_arch_setup_jit_tls_data (jit_tls);
2666 mono_setup_altstack (jit_tls);
2672 free_jit_tls_data (MonoJitTlsData *jit_tls)
2674 mono_arch_free_jit_tls_data (jit_tls);
2675 mono_free_altstack (jit_tls);
2677 g_free (jit_tls->first_lmf);
2682 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2684 MonoInternalThread *thread;
2685 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2686 thread = mono_thread_internal_current ();
2687 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2689 thread->jit_data = jit_tls;
2691 mono_arch_cpu_init ();
2694 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2697 mono_thread_abort_dummy (MonoObject *obj)
2699 if (mono_thread_attach_aborted_cb)
2700 mono_thread_attach_aborted_cb (obj);
2702 mono_thread_abort (obj);
2706 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2708 MonoInternalThread *thread;
2709 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2710 thread = mono_thread_internal_current ();
2711 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2713 thread->jit_data = jit_tls;
2714 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2715 mono_runtime_setup_stat_profiler ();
2717 mono_arch_cpu_init ();
2721 mini_thread_cleanup (MonoInternalThread *thread)
2723 MonoJitTlsData *jit_tls = thread->jit_data;
2726 mono_debugger_thread_cleanup (jit_tls);
2728 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2729 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2730 * not a trivial thing.
2732 * The current offender is mono_thread_manage which cleanup threads from the outside.
2734 if (thread == mono_thread_internal_current ())
2735 mono_set_jit_tls (NULL);
2737 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2738 if (mono_get_lmf ()) {
2739 mono_set_lmf (NULL);
2740 mono_set_lmf_addr (NULL);
2743 free_jit_tls_data (jit_tls);
2745 thread->jit_data = NULL;
2750 mono_create_tls_get (MonoCompile *cfg, int offset)
2752 #ifdef MONO_ARCH_HAVE_TLS_GET
2753 if (MONO_ARCH_HAVE_TLS_GET) {
2759 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2760 ins->dreg = mono_alloc_preg (cfg);
2761 ins->inst_offset = offset;
2769 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2771 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2775 mono_get_domain_intrinsic (MonoCompile* cfg)
2777 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2781 mono_get_thread_intrinsic (MonoCompile* cfg)
2783 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2787 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2789 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2793 ji->data.target = target;
2794 ji->next = cfg->patch_info;
2796 cfg->patch_info = ji;
2800 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2802 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2806 ji->data.target = target;
2813 mono_remove_patch_info (MonoCompile *cfg, int ip)
2815 MonoJumpInfo **ji = &cfg->patch_info;
2818 if ((*ji)->ip.i == ip)
2821 ji = &((*ji)->next);
2826 * mono_patch_info_dup_mp:
2828 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2831 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2833 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2834 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2836 switch (patch_info->type) {
2837 case MONO_PATCH_INFO_RVA:
2838 case MONO_PATCH_INFO_LDSTR:
2839 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2840 case MONO_PATCH_INFO_LDTOKEN:
2841 case MONO_PATCH_INFO_DECLSEC:
2842 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2843 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2845 case MONO_PATCH_INFO_SWITCH:
2846 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2847 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2848 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2849 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2851 case MONO_PATCH_INFO_RGCTX_FETCH:
2852 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2853 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2854 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2864 mono_patch_info_hash (gconstpointer data)
2866 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2869 case MONO_PATCH_INFO_RVA:
2870 case MONO_PATCH_INFO_LDSTR:
2871 case MONO_PATCH_INFO_LDTOKEN:
2872 case MONO_PATCH_INFO_DECLSEC:
2873 return (ji->type << 8) | ji->data.token->token;
2874 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2875 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
2876 case MONO_PATCH_INFO_INTERNAL_METHOD:
2877 return (ji->type << 8) | g_str_hash (ji->data.name);
2878 case MONO_PATCH_INFO_VTABLE:
2879 case MONO_PATCH_INFO_CLASS:
2880 case MONO_PATCH_INFO_IID:
2881 case MONO_PATCH_INFO_ADJUSTED_IID:
2882 case MONO_PATCH_INFO_CLASS_INIT:
2883 case MONO_PATCH_INFO_METHODCONST:
2884 case MONO_PATCH_INFO_METHOD:
2885 case MONO_PATCH_INFO_METHOD_JUMP:
2886 case MONO_PATCH_INFO_IMAGE:
2887 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2888 case MONO_PATCH_INFO_FIELD:
2889 case MONO_PATCH_INFO_SFLDA:
2890 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2891 return (ji->type << 8) | (gssize)ji->data.target;
2893 return (ji->type << 8);
2898 * mono_patch_info_equal:
2900 * This might fail to recognize equivalent patches, i.e. floats, so its only
2901 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2905 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2907 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2908 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2910 if (ji1->type != ji2->type)
2913 switch (ji1->type) {
2914 case MONO_PATCH_INFO_RVA:
2915 case MONO_PATCH_INFO_LDSTR:
2916 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2917 case MONO_PATCH_INFO_LDTOKEN:
2918 case MONO_PATCH_INFO_DECLSEC:
2919 if ((ji1->data.token->image != ji2->data.token->image) ||
2920 (ji1->data.token->token != ji2->data.token->token) ||
2921 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2922 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2923 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2926 case MONO_PATCH_INFO_INTERNAL_METHOD:
2927 return g_str_equal (ji1->data.name, ji2->data.name);
2929 case MONO_PATCH_INFO_RGCTX_FETCH: {
2930 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2931 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2933 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);
2936 if (ji1->data.target != ji2->data.target)
2945 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2947 unsigned char *ip = patch_info->ip.i + code;
2948 gconstpointer target = NULL;
2950 switch (patch_info->type) {
2951 case MONO_PATCH_INFO_BB:
2953 * FIXME: This could be hit for methods without a prolog. Should use -1
2954 * but too much code depends on a 0 initial value.
2956 //g_assert (patch_info->data.bb->native_offset);
2957 target = patch_info->data.bb->native_offset + code;
2959 case MONO_PATCH_INFO_ABS:
2960 target = patch_info->data.target;
2962 case MONO_PATCH_INFO_LABEL:
2963 target = patch_info->data.inst->inst_c0 + code;
2965 case MONO_PATCH_INFO_IP:
2966 #if defined(__native_client__) && defined(__native_client_codegen__)
2967 /* Need to transform to the destination address, it's */
2968 /* emitted as an immediate in the code. */
2969 target = nacl_inverse_modify_patch_target(ip);
2974 case MONO_PATCH_INFO_METHOD_REL:
2975 target = code + patch_info->data.offset;
2977 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2978 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2980 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2981 g_assert_not_reached ();
2983 target = mono_icall_get_wrapper (mi);
2986 case MONO_PATCH_INFO_METHOD_JUMP:
2987 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2988 #if defined(__native_client__) && defined(__native_client_codegen__)
2989 #if defined(TARGET_AMD64)
2990 /* This target is an absolute address, not relative to the */
2991 /* current code being emitted on AMD64. */
2992 target = nacl_inverse_modify_patch_target(target);
2996 case MONO_PATCH_INFO_METHOD:
2997 if (patch_info->data.method == method) {
3000 /* get the trampoline to the method from the domain */
3001 target = mono_create_jit_trampoline (patch_info->data.method);
3004 case MONO_PATCH_INFO_SWITCH: {
3005 gpointer *jump_table;
3008 #if defined(__native_client__) && defined(__native_client_codegen__)
3009 /* This memory will leak, but we don't care if we're */
3010 /* not deleting JIT'd methods anyway */
3011 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3013 if (method && method->dynamic) {
3014 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3016 if (mono_aot_only) {
3017 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3019 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3024 for (i = 0; i < patch_info->data.table->table_size; i++) {
3025 #if defined(__native_client__) && defined(__native_client_codegen__)
3026 /* 'code' is relative to the current code blob, we */
3027 /* need to do this transform on it to make the */
3028 /* pointers in this table absolute */
3029 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3031 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3035 #if defined(__native_client__) && defined(__native_client_codegen__)
3036 /* jump_table is in the data section, we need to transform */
3037 /* it here so when it gets modified in amd64_patch it will */
3038 /* then point back to the absolute data address */
3039 target = nacl_inverse_modify_patch_target (jump_table);
3041 target = jump_table;
3045 case MONO_PATCH_INFO_METHODCONST:
3046 case MONO_PATCH_INFO_CLASS:
3047 case MONO_PATCH_INFO_IMAGE:
3048 case MONO_PATCH_INFO_FIELD:
3049 target = patch_info->data.target;
3051 case MONO_PATCH_INFO_IID:
3052 mono_class_init (patch_info->data.klass);
3053 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3055 case MONO_PATCH_INFO_ADJUSTED_IID:
3056 mono_class_init (patch_info->data.klass);
3057 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3059 case MONO_PATCH_INFO_VTABLE:
3060 target = mono_class_vtable (domain, patch_info->data.klass);
3063 case MONO_PATCH_INFO_CLASS_INIT: {
3064 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3067 target = mono_create_class_init_trampoline (vtable);
3070 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3071 target = mono_create_delegate_trampoline (patch_info->data.klass);
3073 case MONO_PATCH_INFO_SFLDA: {
3074 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3076 if (mono_class_field_is_special_static (patch_info->data.field)) {
3077 gpointer addr = NULL;
3079 mono_domain_lock (domain);
3080 if (domain->special_static_fields)
3081 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3082 mono_domain_unlock (domain);
3088 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3089 /* Done by the generated code */
3093 mono_runtime_class_init (vtable);
3095 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3098 case MONO_PATCH_INFO_RVA: {
3099 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3102 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3103 target = mono_image_rva_map (patch_info->data.token->image, rva);
3106 case MONO_PATCH_INFO_R4:
3107 case MONO_PATCH_INFO_R8:
3108 target = patch_info->data.target;
3110 case MONO_PATCH_INFO_EXC_NAME:
3111 target = patch_info->data.name;
3113 case MONO_PATCH_INFO_LDSTR:
3115 mono_ldstr (domain, patch_info->data.token->image,
3116 mono_metadata_token_index (patch_info->data.token->token));
3118 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3120 MonoClass *handle_class;
3122 handle = mono_ldtoken (patch_info->data.token->image,
3123 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3124 mono_class_init (handle_class);
3125 mono_class_init (mono_class_from_mono_type (handle));
3128 mono_type_get_object (domain, handle);
3131 case MONO_PATCH_INFO_LDTOKEN: {
3133 MonoClass *handle_class;
3135 handle = mono_ldtoken (patch_info->data.token->image,
3136 patch_info->data.token->token, &handle_class, NULL);
3137 mono_class_init (handle_class);
3142 case MONO_PATCH_INFO_DECLSEC:
3143 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3145 case MONO_PATCH_INFO_ICALL_ADDR:
3146 /* run_cctors == 0 -> AOT */
3147 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3149 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
3151 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));
3156 target = mono_lookup_internal_call (patch_info->data.method);
3158 if (!target && run_cctors)
3159 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3162 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3163 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3165 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3166 g_assert_not_reached ();
3171 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3172 target = mono_thread_interruption_request_flag ();
3174 case MONO_PATCH_INFO_METHOD_RGCTX: {
3175 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3178 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3181 case MONO_PATCH_INFO_BB_OVF:
3182 case MONO_PATCH_INFO_EXC_OVF:
3183 case MONO_PATCH_INFO_GOT_OFFSET:
3184 case MONO_PATCH_INFO_NONE:
3186 case MONO_PATCH_INFO_RGCTX_FETCH: {
3187 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3190 switch (entry->data->type) {
3191 case MONO_PATCH_INFO_CLASS:
3192 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));
3194 case MONO_PATCH_INFO_METHOD:
3195 case MONO_PATCH_INFO_METHODCONST:
3196 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));
3198 case MONO_PATCH_INFO_FIELD:
3199 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));
3202 g_assert_not_reached ();
3206 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3209 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3210 target = mono_create_generic_class_init_trampoline ();
3212 case MONO_PATCH_INFO_MONITOR_ENTER:
3213 target = mono_create_monitor_enter_trampoline ();
3215 case MONO_PATCH_INFO_MONITOR_EXIT:
3216 target = mono_create_monitor_exit_trampoline ();
3218 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3219 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3221 /* AOT, not needed */
3224 target = mono_arch_get_seq_point_info (domain, code);
3227 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3228 #ifdef MONO_ARCH_LLVM_SUPPORTED
3229 g_assert (mono_use_llvm);
3230 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3232 g_assert_not_reached ();
3235 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3236 int card_table_shift_bits;
3237 gpointer card_table_mask;
3239 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3242 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3243 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3247 g_assert_not_reached ();
3250 return (gpointer)target;
3254 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3256 ins->inst_offset = native_offset;
3257 g_ptr_array_add (cfg->seq_points, ins);
3258 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3259 bb->last_seq_point = ins;
3265 mono_compile_create_vars (MonoCompile *cfg)
3267 MonoMethodSignature *sig;
3268 MonoMethodHeader *header;
3271 header = cfg->header;
3273 sig = mono_method_signature (cfg->method);
3275 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3276 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3277 /* Inhibit optimizations */
3278 cfg->ret->flags |= MONO_INST_VOLATILE;
3280 if (cfg->verbose_level > 2)
3281 g_print ("creating vars\n");
3283 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3286 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3288 for (i = 0; i < sig->param_count; ++i) {
3289 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3292 if (cfg->verbose_level > 2) {
3294 printf ("\treturn : ");
3295 mono_print_ins (cfg->ret);
3299 printf ("\tthis: ");
3300 mono_print_ins (cfg->args [0]);
3303 for (i = 0; i < sig->param_count; ++i) {
3304 printf ("\targ [%d]: ", i);
3305 mono_print_ins (cfg->args [i + sig->hasthis]);
3309 cfg->locals_start = cfg->num_varinfo;
3310 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3312 if (cfg->verbose_level > 2)
3313 g_print ("creating locals\n");
3315 for (i = 0; i < header->num_locals; ++i)
3316 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3318 if (cfg->verbose_level > 2)
3319 g_print ("locals done\n");
3321 mono_arch_create_vars (cfg);
3324 #endif /* #ifndef DISABLE_JIT */
3327 mono_print_code (MonoCompile *cfg, const char* msg)
3331 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3332 mono_print_bb (bb, msg);
3338 mono_postprocess_patches (MonoCompile *cfg)
3340 MonoJumpInfo *patch_info;
3343 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3344 switch (patch_info->type) {
3345 case MONO_PATCH_INFO_ABS: {
3346 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3349 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3353 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3354 // FIXME: CLEAN UP THIS MESS.
3355 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
3356 strstr (cfg->method->name, info->name)) {
3358 * This is an icall wrapper, and this is a call to the
3361 if (cfg->compile_aot) {
3362 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
3363 patch_info->data.name = info->name;
3366 /* for these array methods we currently register the same function pointer
3367 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3368 * will return the incorrect one depending on the order they are registered.
3369 * See tests/test-arr.cs
3371 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3372 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3373 patch_info->data.name = info->name;
3378 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3379 if (cfg->abs_patches) {
3380 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3382 patch_info->type = abs_ji->type;
3383 patch_info->data.target = abs_ji->data.target;
3390 case MONO_PATCH_INFO_SWITCH: {
3392 #if defined(__native_client__) && defined(__native_client_codegen__)
3393 /* This memory will leak. */
3394 /* TODO: can we free this when */
3395 /* making the final jump table? */
3396 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3398 if (cfg->method->dynamic) {
3399 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3401 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3405 for (i = 0; i < patch_info->data.table->table_size; i++) {
3406 /* Might be NULL if the switch is eliminated */
3407 if (patch_info->data.table->table [i]) {
3408 g_assert (patch_info->data.table->table [i]->native_offset);
3409 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3414 patch_info->data.table->table = (MonoBasicBlock**)table;
3417 case MONO_PATCH_INFO_METHOD_JUMP: {
3418 MonoJumpList *jlist;
3419 MonoDomain *domain = cfg->domain;
3420 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3421 #if defined(__native_client__) && defined(__native_client_codegen__)
3422 /* When this jump target gets evaluated, the method */
3423 /* will be installed in the dynamic code section, */
3424 /* not at the location of cfg->native_code. */
3425 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3428 mono_domain_lock (domain);
3429 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3431 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3432 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3434 jlist->list = g_slist_prepend (jlist->list, ip);
3435 mono_domain_unlock (domain);
3446 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3449 MonoBasicBlock *in_bb;
3451 for (i = 0; i < bb->in_count; ++i) {
3452 in_bb = bb->in_bb [i];
3454 if (in_bb->last_seq_point) {
3455 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));
3457 /* Have to look at its predecessors */
3459 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3465 mono_save_seq_point_info (MonoCompile *cfg)
3468 GSList *bb_seq_points, *l;
3470 MonoDomain *domain = cfg->domain;
3472 MonoSeqPointInfo *info;
3475 if (!cfg->seq_points)
3478 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3479 info->len = cfg->seq_points->len;
3480 for (i = 0; i < cfg->seq_points->len; ++i) {
3481 SeqPoint *sp = &info->seq_points [i];
3482 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3484 sp->il_offset = ins->inst_imm;
3485 sp->native_offset = ins->inst_offset;
3488 ins->backend.size = i;
3492 * For each sequence point, compute the list of sequence points immediately
3493 * following it, this is needed to implement 'step over' in the debugger agent.
3495 next = g_new0 (GSList*, cfg->seq_points->len);
3496 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3497 bb_seq_points = g_slist_reverse (bb->seq_points);
3499 for (l = bb_seq_points; l; l = l->next) {
3500 MonoInst *ins = l->data;
3502 if (!(ins->flags & MONO_INST_SINGLE_STEP_LOC))
3506 /* Link with the previous seq point in the same bb */
3507 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3509 /* Link with the last bb in the previous bblocks */
3510 collect_pred_seq_points (bb, ins, next, 0);
3517 if (cfg->verbose_level > 2) {
3518 printf ("\nSEQ POINT MAP: \n");
3521 for (i = 0; i < cfg->seq_points->len; ++i) {
3522 SeqPoint *sp = &info->seq_points [i];
3526 sp->next_len = g_slist_length (next [i]);
3527 sp->next = g_new (int, sp->next_len);
3529 if (cfg->verbose_level > 2 && next [i]) {
3530 printf ("\t0x%x ->", sp->il_offset);
3531 for (l = next [i]; l; l = l->next) {
3532 next_index = GPOINTER_TO_UINT (l->data);
3533 printf (" 0x%x", info->seq_points [next_index].il_offset);
3537 for (l = next [i]; l; l = l->next) {
3538 next_index = GPOINTER_TO_UINT (l->data);
3539 sp->next [j ++] = next_index;
3541 g_slist_free (next [i]);
3545 cfg->seq_point_info = info;
3547 // FIXME: dynamic methods
3548 if (!cfg->compile_aot) {
3549 mono_domain_lock (domain);
3550 // FIXME: How can the lookup succeed ?
3551 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3552 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3553 mono_domain_unlock (domain);
3556 g_ptr_array_free (cfg->seq_points, TRUE);
3557 cfg->seq_points = NULL;
3561 mono_codegen (MonoCompile *cfg)
3564 int max_epilog_size;
3566 MonoDomain *code_domain;
3568 if (mono_using_xdebug)
3570 * Recent gdb versions have trouble processing symbol files containing
3571 * overlapping address ranges, so allocate all code from the code manager
3572 * of the root domain. (#666152).
3574 code_domain = mono_get_root_domain ();
3576 code_domain = cfg->domain;
3578 #if defined(__native_client_codegen__) && defined(__native_client__)
3581 /* This keeps patch targets from being transformed during
3582 * ordinary method compilation, for local branches and jumps.
3584 nacl_allow_target_modification (FALSE);
3587 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3588 cfg->spill_count = 0;
3589 /* we reuse dfn here */
3590 /* bb->dfn = bb_count++; */
3592 mono_arch_lowering_pass (cfg, bb);
3594 if (cfg->opt & MONO_OPT_PEEPHOLE)
3595 mono_arch_peephole_pass_1 (cfg, bb);
3598 mono_local_regalloc (cfg, bb);
3600 if (cfg->opt & MONO_OPT_PEEPHOLE)
3601 mono_arch_peephole_pass_2 (cfg, bb);
3604 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3605 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3607 code = mono_arch_emit_prolog (cfg);
3609 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3610 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3612 cfg->code_len = code - cfg->native_code;
3613 cfg->prolog_end = cfg->code_len;
3615 mono_debug_open_method (cfg);
3617 /* emit code all basic blocks */
3618 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3619 bb->native_offset = cfg->code_len;
3620 bb->real_native_offset = cfg->code_len;
3621 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3622 mono_arch_output_basic_block (cfg, bb);
3623 bb->native_length = cfg->code_len - bb->native_offset;
3625 if (bb == cfg->bb_exit) {
3626 cfg->epilog_begin = cfg->code_len;
3628 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3629 code = cfg->native_code + cfg->code_len;
3630 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3631 cfg->code_len = code - cfg->native_code;
3632 g_assert (cfg->code_len < cfg->code_size);
3635 mono_arch_emit_epilog (cfg);
3639 #ifdef __native_client_codegen__
3640 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3642 mono_arch_emit_exceptions (cfg);
3644 max_epilog_size = 0;
3646 /* we always allocate code in cfg->domain->code_mp to increase locality */
3647 cfg->code_size = cfg->code_len + max_epilog_size;
3648 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3650 if (cfg->method->dynamic) {
3651 guint unwindlen = 0;
3652 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3653 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3655 /* Allocate the code into a separate memory pool so it can be freed */
3656 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3657 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3658 mono_domain_lock (cfg->domain);
3659 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3660 mono_domain_unlock (cfg->domain);
3662 if (mono_using_xdebug)
3663 /* See the comment for cfg->code_domain */
3664 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3666 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3668 guint unwindlen = 0;
3669 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3670 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3672 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3674 #if defined(__native_client_codegen__) && defined(__native_client__)
3675 nacl_allow_target_modification (TRUE);
3679 memcpy (code, cfg->native_code, cfg->code_len);
3680 #if defined(__default_codegen__)
3681 g_free (cfg->native_code);
3682 #elif defined(__native_client_codegen__)
3683 if (cfg->native_code_alloc) {
3684 g_free (cfg->native_code_alloc);
3685 cfg->native_code_alloc = 0;
3687 else if (cfg->native_code) {
3688 g_free (cfg->native_code);
3690 #endif /* __native_client_codegen__ */
3691 cfg->native_code = code;
3692 code = cfg->native_code + cfg->code_len;
3694 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3695 mono_postprocess_patches (cfg);
3697 #ifdef VALGRIND_JIT_REGISTER_MAP
3698 if (valgrind_register){
3699 char* nm = mono_method_full_name (cfg->method, TRUE);
3700 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3705 if (cfg->verbose_level > 0) {
3706 char* nm = mono_method_full_name (cfg->method, TRUE);
3707 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3709 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3714 gboolean is_generic = FALSE;
3716 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3717 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3721 if (cfg->generic_sharing_context)
3722 g_assert (is_generic);
3725 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3726 mono_arch_save_unwind_info (cfg);
3729 #if defined(__native_client_codegen__) && defined(__native_client__)
3730 if (!cfg->compile_aot) {
3731 if (cfg->method->dynamic) {
3732 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
3734 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
3739 #if defined(__native_client_codegen__)
3740 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3743 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->dynamic_info ? cfg->dynamic_info->code_mp : NULL, cfg->run_cctors);
3745 if (cfg->method->dynamic) {
3746 if (mono_using_xdebug)
3747 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3749 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3751 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3753 #if defined(__native_client_codegen__) && defined(__native_client__)
3754 cfg->native_code = code_dest;
3756 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3758 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3760 mono_debug_close_method (cfg);
3762 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3763 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3768 compute_reachable (MonoBasicBlock *bb)
3772 if (!(bb->flags & BB_VISITED)) {
3773 bb->flags |= BB_VISITED;
3774 for (i = 0; i < bb->out_count; ++i)
3775 compute_reachable (bb->out_bb [i]);
3780 mono_handle_out_of_line_bblock (MonoCompile *cfg)
3783 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3784 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
3786 MONO_INST_NEW (cfg, ins, OP_BR);
3787 MONO_ADD_INS (bb, ins);
3788 ins->inst_target_bb = bb->next_bb;
3794 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3797 MonoMethodHeader *header;
3800 int generic_info_size;
3801 int holes_size = 0, num_holes = 0;
3803 g_assert (method_to_compile == cfg->method);
3804 header = cfg->header;
3806 if (cfg->generic_sharing_context)
3807 generic_info_size = sizeof (MonoGenericJitInfo);
3809 generic_info_size = 0;
3811 if (cfg->try_block_holes) {
3812 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3813 TryBlockHole *hole = tmp->data;
3814 MonoExceptionClause *ec = hole->clause;
3815 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
3816 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3817 g_assert (clause_last_bb);
3819 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3820 if (clause_last_bb->native_offset != hole_end)
3824 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
3825 if (G_UNLIKELY (cfg->verbose_level >= 4))
3826 printf ("Number of try block holes %d\n", num_holes);
3829 if (COMPILE_LLVM (cfg))
3830 num_clauses = cfg->llvm_ex_info_len;
3832 num_clauses = header->num_clauses;
3834 if (cfg->method->dynamic) {
3835 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
3836 generic_info_size + holes_size);
3838 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3839 (num_clauses * sizeof (MonoJitExceptionInfo)) +
3840 generic_info_size + holes_size);
3843 jinfo->method = cfg->method_to_register;
3844 jinfo->code_start = cfg->native_code;
3845 jinfo->code_size = cfg->code_len;
3846 jinfo->used_regs = cfg->used_int_regs;
3847 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3848 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3849 jinfo->num_clauses = num_clauses;
3850 if (COMPILE_LLVM (cfg))
3851 jinfo->from_llvm = TRUE;
3853 if (cfg->generic_sharing_context) {
3855 MonoGenericJitInfo *gi;
3857 jinfo->has_generic_jit_info = 1;
3859 gi = mono_jit_info_get_generic_jit_info (jinfo);
3862 gi->generic_sharing_context = cfg->generic_sharing_context;
3864 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3865 mini_method_get_context (method_to_compile)->method_inst ||
3866 method_to_compile->klass->valuetype) {
3867 g_assert (cfg->rgctx_var);
3872 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3873 mini_method_get_context (method_to_compile)->method_inst ||
3874 method_to_compile->klass->valuetype) {
3875 inst = cfg->rgctx_var;
3876 if (!COMPILE_LLVM (cfg))
3877 g_assert (inst->opcode == OP_REGOFFSET);
3879 inst = cfg->args [0];
3882 if (COMPILE_LLVM (cfg)) {
3883 g_assert (cfg->llvm_this_reg != -1);
3884 gi->this_in_reg = 0;
3885 gi->this_reg = cfg->llvm_this_reg;
3886 gi->this_offset = cfg->llvm_this_offset;
3887 } else if (inst->opcode == OP_REGVAR) {
3888 gi->this_in_reg = 1;
3889 gi->this_reg = inst->dreg;
3891 g_assert (inst->opcode == OP_REGOFFSET);
3893 g_assert (inst->inst_basereg == X86_EBP);
3894 #elif defined(TARGET_AMD64)
3895 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3897 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3899 gi->this_in_reg = 0;
3900 gi->this_reg = inst->inst_basereg;
3901 gi->this_offset = inst->inst_offset;
3906 MonoTryBlockHoleTableJitInfo *table;
3909 jinfo->has_try_block_holes = 1;
3910 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
3911 table->num_holes = (guint16)num_holes;
3913 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3914 guint32 start_bb_offset;
3915 MonoTryBlockHoleJitInfo *hole;
3916 TryBlockHole *hole_data = tmp->data;
3917 MonoExceptionClause *ec = hole_data->clause;
3918 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
3919 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3920 g_assert (clause_last_bb);
3922 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3923 if (clause_last_bb->native_offset == hole_end)
3926 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
3927 hole = &table->holes [i++];
3928 hole->clause = hole_data->clause - &header->clauses [0];
3929 hole->offset = (guint32)hole_data->start_offset;
3930 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
3932 if (G_UNLIKELY (cfg->verbose_level >= 4))
3933 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
3935 g_assert (i == num_holes);
3938 if (COMPILE_LLVM (cfg)) {
3940 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
3941 } else if (header->num_clauses) {
3944 for (i = 0; i < header->num_clauses; i++) {
3945 MonoExceptionClause *ec = &header->clauses [i];
3946 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3947 MonoBasicBlock *tblock;
3950 ei->flags = ec->flags;
3952 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3953 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3955 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3956 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3958 ei->data.filter = cfg->native_code + tblock->native_offset;
3960 ei->data.catch_class = ec->data.catch_class;
3963 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3965 g_assert (tblock->native_offset);
3966 ei->try_start = cfg->native_code + tblock->native_offset;
3967 if (tblock->extend_try_block) {
3969 * Extend the try block backwards to include parts of the previous call
3972 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
3974 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3976 if (!tblock->native_offset) {
3978 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
3979 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
3980 if (bb && bb->native_offset) {
3986 ei->try_end = cfg->native_code + tblock->native_offset;
3987 g_assert (tblock->native_offset);
3988 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3990 ei->handler_start = cfg->native_code + tblock->native_offset;
3992 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3993 TryBlockHole *hole = tmp->data;
3994 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
3995 if (hole->clause == ec && hole_end == ei->try_end) {
3996 if (G_UNLIKELY (cfg->verbose_level >= 4))
3997 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
3999 ei->try_end = cfg->native_code + hole->start_offset;
4004 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4006 if (ec->handler_offset + ec->handler_len < header->code_size) {
4007 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4009 end_offset = tblock->native_offset;
4011 end_offset = cfg->epilog_begin;
4013 ei->data.handler_end = cfg->native_code + end_offset;
4018 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4020 for (i = 0; i < jinfo->num_clauses; i++) {
4021 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4022 int start = (guint8*)ei->try_start - cfg->native_code;
4023 int end = (guint8*)ei->try_end - cfg->native_code;
4024 int handler = (guint8*)ei->handler_start - cfg->native_code;
4026 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
4031 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4032 * using it during runtime, hence the define.
4034 #ifdef MONO_ARCH_HAVE_XP_UNWIND
4035 if (cfg->encoded_unwind_ops) {
4036 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4037 g_free (cfg->encoded_unwind_ops);
4038 } else if (cfg->unwind_ops) {
4040 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4042 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4043 g_free (unwind_info);
4052 * mini_get_shared_method:
4054 * Return the method which is actually compiled/registered when doing generic sharing.
4057 mini_get_shared_method (MonoMethod *method)
4059 MonoGenericContext shared_context;
4060 MonoMethod *declaring_method, *res;
4062 gboolean partial = FALSE;
4064 if (method->is_generic || method->klass->generic_container)
4065 declaring_method = method;
4067 declaring_method = mono_method_get_declaring_generic_method (method);
4069 if (declaring_method->is_generic)
4070 shared_context = mono_method_get_generic_container (declaring_method)->context;
4072 shared_context = declaring_method->klass->generic_container->context;
4074 /* Handle partial sharing */
4075 if (method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE)) {
4076 MonoGenericContext *context = mono_method_get_context (method);
4077 MonoGenericInst *inst;
4078 MonoType **type_argv;
4081 * Create the shared context by replacing the ref type arguments with
4082 * type parameters, and keeping the rest.
4085 inst = context->class_inst;
4087 type_argv = g_new0 (MonoType*, inst->type_argc);
4088 for (i = 0; i < inst->type_argc; ++i) {
4089 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
4090 type_argv [i] = shared_context.class_inst->type_argv [i];
4092 type_argv [i] = inst->type_argv [i];
4095 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4099 inst = context->method_inst;
4101 type_argv = g_new0 (MonoType*, inst->type_argc);
4102 for (i = 0; i < inst->type_argc; ++i) {
4103 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)
4104 type_argv [i] = shared_context.method_inst->type_argv [i];
4106 type_argv [i] = inst->type_argv [i];
4109 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4114 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4116 /* The result should be an inflated method whose parent is not inflated */
4117 g_assert (!res->klass->is_inflated);
4124 * mini_method_compile:
4125 * @method: the method to compile
4126 * @opts: the optimization flags to use
4127 * @domain: the domain where the method will be compiled in
4128 * @run_cctors: whether we should run type ctors if possible
4129 * @compile_aot: whether this is an AOT compilation
4130 * @parts: debug flag
4132 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4133 * field in the returned struct to see if compilation succeded.
4136 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4138 MonoMethodHeader *header;
4139 MonoMethodSignature *sig;
4143 int dfn, i, code_size_ratio;
4144 gboolean deadce_has_run = FALSE;
4145 gboolean try_generic_shared, try_llvm = FALSE;
4146 MonoMethod *method_to_compile, *method_to_register;
4148 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4149 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4150 mono_profiler_method_jit (method);
4151 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
4152 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4156 * We might get passed the original generic method definition or
4157 * instances with type parameters.
4158 * FIXME: Remove the method->klass->generic_class limitation.
4160 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4161 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl (method, TRUE)));
4163 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4164 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
4166 if (opts & MONO_OPT_GSHARED) {
4167 if (try_generic_shared)
4168 mono_stats.generics_sharable_methods++;
4169 else if (mono_method_is_generic_impl (method))
4170 mono_stats.generics_unsharable_methods++;
4174 try_llvm = mono_use_llvm;
4178 if (try_generic_shared) {
4179 method_to_compile = mini_get_shared_method (method);
4180 g_assert (method_to_compile);
4182 method_to_compile = method;
4185 cfg = g_new0 (MonoCompile, 1);
4186 cfg->method = method_to_compile;
4187 cfg->header = mono_method_get_header (cfg->method);
4188 cfg->mempool = mono_mempool_new ();
4190 cfg->prof_options = mono_profiler_get_events ();
4191 cfg->run_cctors = run_cctors;
4192 cfg->domain = domain;
4193 cfg->verbose_level = mini_verbose;
4194 cfg->compile_aot = compile_aot;
4195 cfg->skip_visibility = method->skip_visibility;
4196 cfg->orig_method = method;
4197 cfg->gen_seq_points = debug_options.gen_seq_points;
4198 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4199 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4200 if (try_generic_shared)
4201 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
4202 cfg->compile_llvm = try_llvm;
4203 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4205 if (cfg->gen_seq_points)
4206 cfg->seq_points = g_ptr_array_new ();
4208 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
4209 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4213 if (cfg->generic_sharing_context) {
4214 method_to_register = method_to_compile;
4216 g_assert (method == method_to_compile);
4217 method_to_register = method;
4219 cfg->method_to_register = method_to_register;
4221 mono_error_init (&err);
4222 sig = mono_method_signature_checked (cfg->method, &err);
4224 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4225 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4226 mono_error_cleanup (&err);
4227 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4228 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4232 header = cfg->header;
4234 MonoLoaderError *error;
4236 if ((error = mono_loader_get_last_error ())) {
4237 cfg->exception_type = error->exception_type;
4239 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4240 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4242 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4243 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4249 static gboolean inited;
4256 * Check for methods which cannot be compiled by LLVM early, to avoid
4257 * the extra compilation pass.
4259 if (COMPILE_LLVM (cfg)) {
4260 mono_llvm_check_method_supported (cfg);
4261 if (cfg->disable_llvm) {
4262 if (cfg->verbose_level >= 1) {
4263 //nm = mono_method_full_name (cfg->method, TRUE);
4264 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4267 mono_destroy_compile (cfg);
4269 goto restart_compile;
4275 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4276 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4277 cfg->disable_reuse_registers = TRUE;
4278 cfg->disable_reuse_stack_slots = TRUE;
4280 * This decreases the change the debugger will read registers/stack slots which are
4281 * not yet initialized.
4283 cfg->disable_initlocals_opt = TRUE;
4285 cfg->extend_live_ranges = TRUE;
4287 /* Temporarily disable this when running in the debugger until we have support
4288 * for this in the debugger. */
4289 cfg->disable_omit_fp = TRUE;
4291 /* The debugger needs all locals to be on the stack or in a global register */
4292 cfg->disable_vreg_to_lvreg = TRUE;
4294 /* Don't remove unused variables when running inside the debugger since the user
4295 * may still want to view them. */
4296 cfg->disable_deadce_vars = TRUE;
4298 // cfg->opt |= MONO_OPT_SHARED;
4299 cfg->opt &= ~MONO_OPT_DEADCE;
4300 cfg->opt &= ~MONO_OPT_INLINE;
4301 cfg->opt &= ~MONO_OPT_COPYPROP;
4302 cfg->opt &= ~MONO_OPT_CONSPROP;
4303 cfg->opt &= ~MONO_OPT_GSHARED;
4305 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4306 cfg->disable_out_of_line_bblocks = TRUE;
4309 if (mono_using_xdebug) {
4311 * Make each variable use its own register/stack slot and extend
4312 * their liveness to cover the whole method, making them displayable
4313 * in gdb even after they are dead.
4315 cfg->disable_reuse_registers = TRUE;
4316 cfg->disable_reuse_stack_slots = TRUE;
4317 cfg->extend_live_ranges = TRUE;
4318 cfg->compute_precise_live_ranges = TRUE;
4321 mini_gc_init_cfg (cfg);
4323 if (COMPILE_LLVM (cfg)) {
4324 cfg->opt |= MONO_OPT_ABCREM;
4327 if (getenv ("MONO_VERBOSE_METHOD")) {
4328 char *name = getenv ("MONO_VERBOSE_METHOD");
4330 if ((strchr (name, '.') > name) || strchr (name, ':')) {
4331 MonoMethodDesc *desc;
4333 desc = mono_method_desc_new (name, TRUE);
4334 if (mono_method_desc_full_match (desc, cfg->method)) {
4335 cfg->verbose_level = 4;
4337 mono_method_desc_free (desc);
4339 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
4340 cfg->verbose_level = 4;
4344 ip = (guint8 *)header->code;
4346 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
4348 if (cfg->verbose_level > 0) {
4350 if (COMPILE_LLVM (cfg))
4351 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
4352 else if (cfg->generic_sharing_context)
4353 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4355 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
4356 g_free (method_name);
4359 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
4360 cfg->opt |= MONO_OPT_SSA;
4363 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")))
4364 cfg->globalra = TRUE;
4367 //cfg->globalra = TRUE;
4369 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
4370 // cfg->globalra = TRUE;
4373 static int count = 0;
4377 if (getenv ("COUNT2")) {
4378 cfg->globalra = TRUE;
4379 if (count == atoi (getenv ("COUNT2")))
4380 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
4381 if (count > atoi (getenv ("COUNT2")))
4382 cfg->globalra = FALSE;
4387 if (header->clauses)
4388 cfg->globalra = FALSE;
4390 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4391 /* The code in the prolog clobbers caller saved registers */
4392 cfg->globalra = FALSE;
4394 // FIXME: Disable globalra in case of tracing/profiling
4396 if (cfg->method->save_lmf)
4397 /* The LMF saving code might clobber caller saved registers */
4398 cfg->globalra = FALSE;
4400 if (header->code_size > 5000)
4402 /* Too large bblocks could overflow the ins positions */
4403 cfg->globalra = FALSE;
4405 cfg->rs = mono_regstate_new ();
4407 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4408 cfg->next_vreg = cfg->rs->next_vreg;
4410 /* FIXME: Fix SSA to handle branches inside bblocks */
4411 if (cfg->opt & MONO_OPT_SSA)
4412 cfg->enable_extended_bblocks = FALSE;
4415 * FIXME: This confuses liveness analysis because variables which are assigned after
4416 * a branch inside a bblock become part of the kill set, even though the assignment
4417 * might not get executed. This causes the optimize_initlocals pass to delete some
4418 * assignments which are needed.
4419 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4422 //cfg->enable_extended_bblocks = TRUE;
4424 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4425 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
4426 if (mini_get_debug_options ()->break_on_unverified)
4432 * create MonoInst* which represents arguments and local variables
4434 mono_compile_create_vars (cfg);
4436 /* SSAPRE is not supported on linear IR */
4437 cfg->opt &= ~MONO_OPT_SSAPRE;
4439 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4442 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4444 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4445 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4448 mono_destroy_compile (cfg);
4449 try_generic_shared = FALSE;
4450 goto restart_compile;
4452 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4454 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4455 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4456 /* cfg contains the details of the failure, so let the caller cleanup */
4460 cfg->stat_basic_blocks += cfg->num_bblocks;
4462 if (COMPILE_LLVM (cfg)) {
4465 /* The IR has to be in SSA form for LLVM */
4466 cfg->opt |= MONO_OPT_SSA;
4470 // Allow SSA on the result value
4471 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4473 // Add an explicit return instruction referencing the return value
4474 MONO_INST_NEW (cfg, ins, OP_SETRET);
4475 ins->sreg1 = cfg->ret->dreg;
4477 MONO_ADD_INS (cfg->bb_exit, ins);
4480 cfg->opt &= ~MONO_OPT_LINEARS;
4483 cfg->opt &= ~MONO_OPT_BRANCH;
4486 /* todo: remove code when we have verified that the liveness for try/catch blocks
4490 * Currently, this can't be commented out since exception blocks are not
4491 * processed during liveness analysis.
4492 * It is also needed, because otherwise the local optimization passes would
4493 * delete assignments in cases like this:
4495 * <something which throws>
4497 * This also allows SSA to be run on methods containing exception clauses, since
4498 * SSA will ignore variables marked VOLATILE.
4500 mono_liveness_handle_exception_clauses (cfg);
4502 mono_handle_out_of_line_bblock (cfg);
4504 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4506 if (!COMPILE_LLVM (cfg))
4507 mono_decompose_long_opts (cfg);
4509 /* Should be done before branch opts */
4510 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4511 mono_local_cprop (cfg);
4513 if (cfg->opt & MONO_OPT_BRANCH)
4514 mono_optimize_branches (cfg);
4516 /* This must be done _before_ global reg alloc and _after_ decompose */
4517 mono_handle_global_vregs (cfg);
4518 if (cfg->opt & MONO_OPT_DEADCE)
4519 mono_local_deadce (cfg);
4520 /* Disable this for LLVM to make the IR easier to handle */
4521 if (!COMPILE_LLVM (cfg))
4522 mono_if_conversion (cfg);
4524 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4525 mono_remove_critical_edges (cfg);
4527 /* Depth-first ordering on basic blocks */
4528 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4530 cfg->max_block_num = cfg->num_bblocks;
4533 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4534 if (cfg->num_bblocks != dfn + 1) {
4537 cfg->num_bblocks = dfn + 1;
4539 /* remove unreachable code, because the code in them may be
4540 * inconsistent (access to dead variables for example) */
4541 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4542 bb->flags &= ~BB_VISITED;
4543 compute_reachable (cfg->bb_entry);
4544 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4545 if (bb->flags & BB_EXCEPTION_HANDLER)
4546 compute_reachable (bb);
4547 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4548 if (!(bb->flags & BB_VISITED)) {
4549 if (cfg->verbose_level > 1)
4550 g_print ("found unreachable code in BB%d\n", bb->block_num);
4551 bb->code = bb->last_ins = NULL;
4552 while (bb->out_count)
4553 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
4556 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4557 bb->flags &= ~BB_VISITED;
4560 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
4562 * we disable some optimizations if there are too many variables
4563 * because JIT time may become too expensive. The actual number needs
4564 * to be tweaked and eventually the non-linear algorithms should be fixed.
4566 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
4567 cfg->disable_ssa = TRUE;
4570 if (cfg->opt & MONO_OPT_LOOP) {
4571 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
4572 mono_compute_natural_loops (cfg);
4575 /* after method_to_ir */
4577 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4578 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4583 if (header->num_clauses)
4584 cfg->disable_ssa = TRUE;
4587 //#define DEBUGSSA "logic_run"
4588 #define DEBUGSSA_CLASS "Tests"
4591 if (!cfg->disable_ssa) {
4592 mono_local_cprop (cfg);
4595 mono_ssa_compute (cfg);
4599 if (cfg->opt & MONO_OPT_SSA) {
4600 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
4602 mono_ssa_compute (cfg);
4605 if (cfg->verbose_level >= 2) {
4612 /* after SSA translation */
4614 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4615 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4619 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
4620 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4622 mono_ssa_cprop (cfg);
4628 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4629 //mono_ssa_strength_reduction (cfg);
4631 if (cfg->opt & MONO_OPT_SSAPRE) {
4632 mono_perform_ssapre (cfg);
4633 //mono_local_cprop (cfg);
4636 if (cfg->opt & MONO_OPT_DEADCE) {
4637 mono_ssa_deadce (cfg);
4638 deadce_has_run = TRUE;
4641 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4642 mono_perform_abc_removal (cfg);
4644 mono_ssa_remove (cfg);
4645 mono_local_cprop (cfg);
4646 mono_handle_global_vregs (cfg);
4647 if (cfg->opt & MONO_OPT_DEADCE)
4648 mono_local_deadce (cfg);
4650 if (cfg->opt & MONO_OPT_BRANCH) {
4653 mono_optimize_branches (cfg);
4655 /* Have to recompute cfg->bblocks and bb->dfn */
4656 if (cfg->globalra) {
4657 mono_remove_critical_edges (cfg);
4659 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4662 /* Depth-first ordering on basic blocks */
4663 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4666 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4667 cfg->num_bblocks = dfn + 1;
4673 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
4674 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
4675 if (cfg->opt & MONO_OPT_ABCREM)
4676 mono_perform_abc_removal (cfg);
4679 /* after SSA removal */
4681 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4682 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4686 #ifdef MONO_ARCH_SOFT_FLOAT
4687 if (!COMPILE_LLVM (cfg))
4688 mono_decompose_soft_float (cfg);
4690 if (!COMPILE_LLVM (cfg))
4691 mono_decompose_vtype_opts (cfg);
4692 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4693 mono_decompose_array_access_opts (cfg);
4696 #ifndef MONO_ARCH_GOT_REG
4701 g_assert (cfg->got_var_allocated);
4704 * Allways allocate the GOT var to a register, because keeping it
4705 * in memory will increase the number of live temporaries in some
4706 * code created by inssel.brg, leading to the well known spills+
4707 * branches problem. Testcase: mcs crash in
4708 * System.MonoCustomAttrs:GetCustomAttributes.
4710 #ifdef MONO_ARCH_GOT_REG
4711 got_reg = MONO_ARCH_GOT_REG;
4713 regs = mono_arch_get_global_int_regs (cfg);
4715 got_reg = GPOINTER_TO_INT (regs->data);
4718 cfg->got_var->opcode = OP_REGVAR;
4719 cfg->got_var->dreg = got_reg;
4720 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
4724 * Have to call this again to process variables added since the first call.
4726 mono_liveness_handle_exception_clauses (cfg);
4728 if (cfg->globalra) {
4731 /* Have to do this before regalloc since it can create vregs */
4732 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4733 mono_arch_lowering_pass (cfg, bb);
4735 mono_global_regalloc (cfg);
4738 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
4739 GList *vars, *regs, *l;
4741 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
4742 cfg->comp_done &= ~MONO_COMP_LIVENESS;
4743 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
4744 mono_analyze_liveness (cfg);
4746 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
4747 regs = mono_arch_get_global_int_regs (cfg);
4748 /* Remove the reg reserved for holding the GOT address */
4750 for (l = regs; l; l = l->next) {
4751 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
4752 regs = g_list_delete_link (regs, l);
4757 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
4761 //mono_print_code (cfg, "");
4765 /* variables are allocated after decompose, since decompose could create temps */
4766 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4767 mono_arch_allocate_vars (cfg);
4768 if (cfg->exception_type)
4774 gboolean need_local_opts;
4776 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4777 mono_spill_global_vars (cfg, &need_local_opts);
4779 if (need_local_opts || cfg->compile_aot) {
4780 /* To optimize code created by spill_global_vars */
4781 mono_local_cprop (cfg);
4782 if (cfg->opt & MONO_OPT_DEADCE)
4783 mono_local_deadce (cfg);
4787 /* Add branches between non-consecutive bblocks */
4788 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4789 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
4790 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
4791 /* we are careful when inverting, since bugs like #59580
4792 * could show up when dealing with NaNs.
4794 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
4795 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
4796 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
4797 bb->last_ins->inst_false_bb = tmp;
4799 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
4801 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
4802 inst->opcode = OP_BR;
4803 inst->inst_target_bb = bb->last_ins->inst_false_bb;
4804 mono_bblock_add_inst (bb, inst);
4809 if (cfg->verbose_level >= 4 && !cfg->globalra) {
4810 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4811 MonoInst *tree = bb->code;
4812 g_print ("DUMP BLOCK %d:\n", bb->block_num);
4815 for (; tree; tree = tree->next) {
4816 mono_print_ins_index (-1, tree);
4822 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4823 bb->max_vreg = cfg->next_vreg;
4827 if (COMPILE_LLVM (cfg)) {
4831 /* The IR has to be in SSA form for LLVM */
4832 if (!(cfg->comp_done & MONO_COMP_SSA)) {
4833 cfg->exception_message = g_strdup ("SSA disabled.");
4834 cfg->disable_llvm = TRUE;
4837 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4838 mono_decompose_array_access_opts (cfg);
4840 if (!cfg->disable_llvm)
4841 mono_llvm_emit_method (cfg);
4842 if (cfg->disable_llvm) {
4843 if (cfg->verbose_level >= 1) {
4844 //nm = mono_method_full_name (cfg->method, TRUE);
4845 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4848 mono_destroy_compile (cfg);
4850 goto restart_compile;
4853 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
4854 nm = mono_method_full_name (cfg->method, TRUE);
4855 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
4857 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4865 if (COMPILE_LLVM (cfg))
4866 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
4868 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
4870 cfg->jit_info = create_jit_info (cfg, method_to_compile);
4872 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
4873 if (cfg->extend_live_ranges) {
4874 /* Extend live ranges to cover the whole method */
4875 for (i = 0; i < cfg->num_varinfo; ++i)
4876 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
4880 if (!cfg->compile_aot)
4881 mono_save_xdebug_info (cfg);
4883 mini_gc_create_gc_map (cfg);
4885 mono_save_seq_point_info (cfg);
4887 if (cfg->verbose_level >= 2) {
4888 char *id = mono_method_full_name (cfg->method, FALSE);
4889 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
4893 if (!cfg->compile_aot) {
4894 mono_domain_lock (cfg->domain);
4895 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
4897 if (cfg->method->dynamic)
4898 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
4899 mono_domain_unlock (cfg->domain);
4902 /* collect statistics */
4903 mono_perfcounters->jit_methods++;
4904 mono_perfcounters->jit_bytes += header->code_size;
4905 mono_jit_stats.allocated_code_size += cfg->code_len;
4906 code_size_ratio = cfg->code_len;
4907 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
4908 mono_jit_stats.biggest_method_size = code_size_ratio;
4909 g_free (mono_jit_stats.biggest_method);
4910 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4912 code_size_ratio = (code_size_ratio * 100) / header->code_size;
4913 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
4914 mono_jit_stats.max_code_size_ratio = code_size_ratio;
4915 g_free (mono_jit_stats.max_ratio_method);
4916 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4918 mono_jit_stats.native_code_size += cfg->code_len;
4920 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4921 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4929 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4931 g_assert_not_reached ();
4935 #endif /* DISABLE_JIT */
4938 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
4940 static gboolean inited = FALSE;
4941 static int lookups = 0;
4942 static int failed_lookups = 0;
4945 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
4946 if (ji && !ji->has_generic_jit_info)
4950 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
4951 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
4963 * LOCKING: Assumes domain->jit_code_hash_lock is held.
4966 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
4968 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
4973 if (!mono_method_is_generic_sharable_impl (method, FALSE))
4975 return mono_domain_lookup_shared_generic (domain, method);
4979 lookup_method (MonoDomain *domain, MonoMethod *method)
4983 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
4984 mono_domain_jit_code_hash_lock (domain);
4985 info = lookup_method_inner (domain, method);
4986 mono_domain_jit_code_hash_unlock (domain);
4987 mono_loader_unlock ();
4993 static FILE* perf_map_file = NULL;
4996 mono_enable_jit_map (void)
4998 if (!perf_map_file) {
5000 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5002 perf_map_file = fopen (name, "w");
5007 mono_emit_jit_tramp (void *start, int size, const char *desc)
5010 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5014 mono_emit_jit_map (MonoJitInfo *jinfo)
5016 if (perf_map_file) {
5017 char *name = mono_method_full_name (jinfo->method, TRUE);
5018 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5024 mono_jit_map_is_enabled (void)
5026 return perf_map_file != NULL;
5032 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5035 gpointer code = NULL;
5036 MonoJitInfo *jinfo, *info;
5038 MonoException *ex = NULL;
5039 guint32 prof_options;
5041 MonoMethod *prof_method;
5043 #ifdef MONO_USE_AOT_COMPILER
5044 if (opt & MONO_OPT_AOT) {
5045 MonoDomain *domain = mono_domain_get ();
5047 mono_class_init (method->klass);
5049 if ((code = mono_aot_get_method (domain, method))) {
5050 vtable = mono_class_vtable (domain, method->klass);
5052 mono_runtime_class_init (vtable);
5059 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5060 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5062 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5064 if (!piinfo->addr) {
5065 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5066 piinfo->addr = mono_lookup_internal_call (method);
5067 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5069 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);
5071 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);
5074 mono_lookup_pinvoke_call (method, NULL, NULL);
5076 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5077 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5078 jinfo = mono_jit_info_table_find (target_domain, code);
5080 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5082 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5085 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
5086 //mono_debug_add_wrapper (method, nm);
5087 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5088 const char *name = method->name;
5089 char *full_name, *msg;
5092 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5093 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5094 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5097 * We need to make sure this wrapper
5098 * is compiled because it might end up
5099 * in an (M)RGCTX if generic sharing
5100 * is enabled, and would be called
5101 * indirectly. If it were a
5102 * trampoline we'd try to patch that
5103 * indirect call, which is not
5106 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5107 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5108 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5109 return mono_create_delegate_trampoline (method->klass);
5111 nm = mono_marshal_get_delegate_invoke (method, NULL);
5112 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5114 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5115 nm = mono_marshal_get_delegate_begin_invoke (method);
5116 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5117 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5118 nm = mono_marshal_get_delegate_end_invoke (method);
5119 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5123 full_name = mono_method_full_name (method, TRUE);
5124 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5125 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5131 if (mono_aot_only) {
5132 char *fullname = mono_method_full_name (method, TRUE);
5133 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
5135 *jit_ex = mono_get_exception_execution_engine (msg);
5142 jit_timer = g_timer_new ();
5144 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5145 prof_method = cfg->method;
5147 g_timer_stop (jit_timer);
5148 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5149 g_timer_destroy (jit_timer);
5151 switch (cfg->exception_type) {
5152 case MONO_EXCEPTION_NONE:
5154 case MONO_EXCEPTION_TYPE_LOAD:
5155 case MONO_EXCEPTION_MISSING_FIELD:
5156 case MONO_EXCEPTION_MISSING_METHOD:
5157 case MONO_EXCEPTION_FILE_NOT_FOUND:
5158 case MONO_EXCEPTION_BAD_IMAGE: {
5159 /* Throw a type load exception if needed */
5160 MonoLoaderError *error = mono_loader_get_last_error ();
5163 ex = mono_loader_error_prepare_exception (error);
5165 if (cfg->exception_ptr) {
5166 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5168 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5169 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5170 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5171 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5172 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5173 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5174 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5175 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5176 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5177 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5179 g_assert_not_reached ();
5184 case MONO_EXCEPTION_INVALID_PROGRAM:
5185 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5187 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5188 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5190 case MONO_EXCEPTION_METHOD_ACCESS:
5191 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5193 case MONO_EXCEPTION_FIELD_ACCESS:
5194 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5196 /* this can only be set if the security manager is active */
5197 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5198 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5199 MonoObject *exc = NULL;
5202 args [0] = &cfg->exception_data;
5204 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5206 ex = (MonoException*)exc;
5209 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5210 MonoException *exp = cfg->exception_ptr;
5211 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5216 case MONO_EXCEPTION_OUT_OF_MEMORY:
5217 ex = mono_domain_get ()->out_of_memory_ex;
5220 g_assert_not_reached ();
5224 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5225 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5227 mono_destroy_compile (cfg);
5233 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5234 mono_domain_lock (target_domain);
5236 /* Check if some other thread already did the job. In this case, we can
5237 discard the code this thread generated. */
5239 mono_domain_jit_code_hash_lock (target_domain);
5241 info = lookup_method_inner (target_domain, method);
5243 /* We can't use a domain specific method in another domain */
5244 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5245 code = info->code_start;
5246 // printf("Discarding code for method %s\n", method->name);
5251 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
5252 mono_domain_jit_code_hash_unlock (target_domain);
5253 code = cfg->native_code;
5255 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
5256 mono_stats.generics_shared_methods++;
5258 mono_domain_jit_code_hash_unlock (target_domain);
5261 jinfo = cfg->jit_info;
5263 prof_options = cfg->prof_options;
5266 * Update global stats while holding a lock, instead of doing many
5267 * InterlockedIncrement operations during JITting.
5269 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
5270 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
5271 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
5272 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
5273 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
5274 mono_jit_stats.regvars += cfg->stat_n_regvars;
5275 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
5276 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
5277 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
5278 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
5280 mono_destroy_compile (cfg);
5283 if (domain_jit_info (target_domain)->jump_target_hash) {
5284 MonoJumpInfo patch_info;
5285 MonoJumpList *jlist;
5287 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
5289 patch_info.next = NULL;
5290 patch_info.ip.i = 0;
5291 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
5292 patch_info.data.method = method;
5293 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
5295 for (tmp = jlist->list; tmp; tmp = tmp->next)
5296 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
5300 mono_emit_jit_map (jinfo);
5302 mono_domain_unlock (target_domain);
5303 mono_loader_unlock ();
5305 vtable = mono_class_vtable (target_domain, method->klass);
5307 ex = mono_class_get_exception_for_failure (method->klass);
5313 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
5314 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
5315 if (mono_marshal_method_from_wrapper (method)) {
5316 /* Native func wrappers have no method */
5317 /* The profiler doesn't know about wrappers, so pass the original icall method */
5318 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
5321 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5322 if (prof_method != method) {
5323 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
5327 ex = mono_runtime_class_init_full (vtable, FALSE);
5336 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
5338 MonoDomain *target_domain, *domain = mono_domain_get ();
5341 MonoJitICallInfo *callinfo = NULL;
5344 * ICALL wrappers are handled specially, since there is only one copy of them
5345 * shared by all appdomains.
5347 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
5348 const char *icall_name;
5350 icall_name = method->name + strlen ("__icall_wrapper_");
5351 g_assert (icall_name);
5352 callinfo = mono_find_jit_icall_by_name (icall_name);
5353 g_assert (callinfo);
5355 /* Must be domain neutral since there is only one copy */
5356 opt |= MONO_OPT_SHARED;
5359 if (opt & MONO_OPT_SHARED)
5360 target_domain = mono_get_root_domain ();
5362 target_domain = domain;
5364 info = lookup_method (target_domain, method);
5366 /* We can't use a domain specific method in another domain */
5367 if (! ((domain != target_domain) && !info->domain_neutral)) {
5369 MonoException *tmpEx;
5371 mono_jit_stats.methods_lookups++;
5372 vtable = mono_class_vtable (domain, method->klass);
5374 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
5379 return mono_create_ftnptr (target_domain, info->code_start);
5383 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
5387 p = mono_create_ftnptr (target_domain, code);
5391 if (!callinfo->wrapper) {
5392 callinfo->wrapper = p;
5393 mono_register_jit_icall_wrapper (callinfo, p);
5394 mono_debug_add_icall_wrapper (method, callinfo);
5403 mono_jit_compile_method (MonoMethod *method)
5405 MonoException *ex = NULL;
5408 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
5411 mono_raise_exception (ex);
5417 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5419 invalidated_delegate_trampoline (char *desc)
5421 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
5422 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
5428 * mono_jit_free_method:
5430 * Free all memory allocated by the JIT for METHOD.
5433 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
5435 MonoJitDynamicMethodInfo *ji;
5436 gboolean destroy = TRUE;
5437 GHashTableIter iter;
5438 MonoJumpList *jlist;
5440 g_assert (method->dynamic);
5442 mono_domain_lock (domain);
5443 ji = mono_dynamic_code_hash_lookup (domain, method);
5444 mono_domain_unlock (domain);
5449 mono_domain_lock (domain);
5450 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
5451 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
5452 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
5453 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
5455 /* Remove jump targets in this method */
5456 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
5457 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
5458 GSList *tmp, *remove;
5461 for (tmp = jlist->list; tmp; tmp = tmp->next) {
5462 guint8 *ip = tmp->data;
5464 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
5465 remove = g_slist_prepend (remove, tmp);
5467 for (tmp = remove; tmp; tmp = tmp->next) {
5468 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
5470 g_slist_free (remove);
5473 mono_domain_unlock (domain);
5475 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5476 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
5478 * Instead of freeing the code, change it to call an error routine
5479 * so people can fix their code.
5481 char *type = mono_type_full_name (&method->klass->byval_arg);
5482 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
5485 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
5491 * This needs to be done before freeing code_mp, since the code address is the
5492 * key in the table, so if we free the code_mp first, another thread can grab the
5493 * same code address and replace our entry in the table.
5495 mono_jit_info_table_remove (domain, ji->ji);
5498 mono_code_manager_destroy (ji->code_mp);
5503 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
5505 MonoDomain *target_domain;
5508 if (default_opt & MONO_OPT_SHARED)
5509 target_domain = mono_get_root_domain ();
5511 target_domain = domain;
5513 info = lookup_method (target_domain, method);
5515 /* We can't use a domain specific method in another domain */
5516 if (! ((domain != target_domain) && !info->domain_neutral)) {
5517 mono_jit_stats.methods_lookups++;
5520 return info->code_start;
5530 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
5532 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
5537 gpointer compiled_method;
5538 gpointer runtime_invoke;
5540 MonoDynCallInfo *dyn_call_info;
5541 MonoClass *ret_box_class;
5542 } RuntimeInvokeInfo;
5545 * mono_jit_runtime_invoke:
5546 * @method: the method to invoke
5547 * @obj: this pointer
5548 * @params: array of parameter values.
5549 * @exc: used to catch exceptions objects
5552 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
5555 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
5556 MonoDomain *domain = mono_domain_get ();
5557 MonoJitDomainInfo *domain_info;
5558 RuntimeInvokeInfo *info, *info2;
5560 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
5561 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
5565 domain_info = domain_jit_info (domain);
5567 mono_domain_lock (domain);
5568 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5569 mono_domain_unlock (domain);
5572 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
5574 * This might be redundant since mono_class_vtable () already does this,
5575 * but keep it just in case for moonlight.
5577 mono_class_setup_vtable (method->klass);
5578 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
5580 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
5582 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
5587 info = g_new0 (RuntimeInvokeInfo, 1);
5589 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5590 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
5591 g_assert (info->vtable);
5593 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5594 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5596 * Array Get/Set/Address methods. The JIT implements them using inline code
5597 * inside the runtime invoke wrappers, so no need to compile them.
5599 info->compiled_method = NULL;
5601 MonoException *jit_ex = NULL;
5603 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
5604 if (!info->compiled_method) {
5608 *exc = (MonoObject*)jit_ex;
5611 mono_raise_exception (jit_ex);
5615 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
5616 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
5620 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
5621 * in full-aot mode, so we use a slower, but more generic wrapper if
5622 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
5624 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5625 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
5626 MonoMethodSignature *sig = mono_method_signature (method);
5627 gboolean supported = TRUE;
5630 if (method->string_ctor)
5631 sig = mono_marshal_get_string_ctor_signature (method);
5633 for (i = 0; i < sig->param_count; ++i) {
5634 MonoType *t = sig->params [i];
5636 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
5640 if (method->klass->contextbound || !info->compiled_method)
5644 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
5646 if (info->dyn_call_info) {
5647 switch (sig->ret->type) {
5648 case MONO_TYPE_VOID:
5660 case MONO_TYPE_BOOLEAN:
5661 case MONO_TYPE_CHAR:
5664 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5667 info->ret_box_class = mono_defaults.int_class;
5669 case MONO_TYPE_STRING:
5670 case MONO_TYPE_CLASS:
5671 case MONO_TYPE_ARRAY:
5672 case MONO_TYPE_SZARRAY:
5673 case MONO_TYPE_OBJECT:
5675 case MONO_TYPE_GENERICINST:
5676 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
5677 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5679 case MONO_TYPE_VALUETYPE:
5680 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5683 g_assert_not_reached ();
5690 if (!info->dyn_call_info)
5691 info->runtime_invoke = mono_jit_compile_method (invoke);
5693 mono_domain_lock (domain);
5694 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5699 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
5701 mono_domain_unlock (domain);
5704 runtime_invoke = info->runtime_invoke;
5707 * We need this here because mono_marshal_get_runtime_invoke can place
5708 * the helper method in System.Object and not the target class.
5711 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
5715 mono_runtime_class_init (info->vtable);
5718 /* The wrappers expect this to be initialized to NULL */
5722 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5723 if (info->dyn_call_info) {
5724 MonoMethodSignature *sig = mono_method_signature (method);
5726 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
5729 guint8 retval [128];
5731 if (!dyn_runtime_invoke) {
5732 invoke = mono_marshal_get_runtime_invoke_dynamic ();
5733 dyn_runtime_invoke = mono_jit_compile_method (invoke);
5736 /* Convert the arguments to the format expected by start_dyn_call () */
5737 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
5740 args [pindex ++] = &obj;
5741 for (i = 0; i < sig->param_count; ++i) {
5742 MonoType *t = sig->params [i];
5745 args [pindex ++] = ¶ms [i];
5746 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
5747 args [pindex ++] = ¶ms [i];
5749 args [pindex ++] = params [i];
5753 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
5755 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
5757 dyn_runtime_invoke (buf, exc, info->compiled_method);
5759 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
5761 if (info->ret_box_class)
5762 return mono_value_box (domain, info->ret_box_class, retval);
5764 return *(MonoObject**)retval;
5768 return runtime_invoke (obj, params, exc, info->compiled_method);
5772 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
5774 MonoException *exc = NULL;
5776 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
5781 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5783 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
5784 if (mono_arch_is_int_overflow (ctx, info))
5786 * The spec says this throws ArithmeticException, but MS throws the derived
5787 * OverflowException.
5789 exc = mono_get_exception_overflow ();
5791 exc = mono_get_exception_divide_by_zero ();
5793 exc = mono_get_exception_divide_by_zero ();
5797 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5800 mono_handle_native_sigsegv (SIGSEGV, ctx);
5803 mono_arch_handle_exception (ctx, exc);
5807 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
5812 exc = mono_get_exception_execution_engine ("SIGILL");
5814 mono_arch_handle_exception (ctx, exc);
5817 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
5818 #define HAVE_SIG_INFO
5822 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
5825 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
5826 gpointer fault_addr = NULL;
5830 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
5831 if (mono_arch_is_single_step_event (info, ctx)) {
5832 mono_debugger_agent_single_step_event (ctx);
5834 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
5835 mono_debugger_agent_breakpoint_hit (ctx);
5840 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
5841 fault_addr = info->si_addr;
5842 if (mono_aot_is_pagefault (info->si_addr)) {
5843 mono_aot_handle_pagefault (info->si_addr);
5848 /* The thread might no be registered with the runtime */
5849 if (!mono_domain_get () || !jit_tls) {
5850 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5852 mono_handle_native_sigsegv (SIGSEGV, ctx);
5855 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5857 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
5858 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
5861 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
5862 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
5863 fault_addr = info->si_addr;
5864 if (fault_addr == NULL) {
5867 mono_arch_sigctx_to_monoctx (ctx, &mctx);
5869 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
5873 if (jit_tls->stack_size &&
5874 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
5876 * The hard-guard page has been hit: there is not much we can do anymore
5877 * Print a hopefully clear message and abort.
5879 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
5880 g_assert_not_reached ();
5882 /* The original handler might not like that it is executed on an altstack... */
5883 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
5886 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
5891 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5894 mono_handle_native_sigsegv (SIGSEGV, ctx);
5897 mono_arch_handle_exception (ctx, NULL);
5902 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
5907 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
5909 mono_arch_handle_exception (ctx, exc);
5912 /* mono_jit_create_remoting_trampoline:
5913 * @method: pointer to the method info
5915 * Creates a trampoline which calls the remoting functions. This
5916 * is used in the vtable of transparent proxies.
5918 * Returns: a pointer to the newly created code
5921 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
5924 guint8 *addr = NULL;
5926 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
5927 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
5931 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
5932 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
5933 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
5934 addr = mono_compile_method (nm);
5936 addr = mono_compile_method (method);
5938 return mono_get_addr_from_ftnptr (addr);
5941 static gpointer *vtable_trampolines;
5942 static int vtable_trampolines_size;
5945 mini_get_vtable_trampoline (int slot_index)
5947 int index = slot_index + MONO_IMT_SIZE;
5949 g_assert (slot_index >= - MONO_IMT_SIZE);
5950 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
5952 if (!vtable_trampolines || index >= vtable_trampolines_size) {
5956 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
5957 while (new_size <= index)
5959 new_table = g_new0 (gpointer, new_size);
5961 if (vtable_trampolines)
5962 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
5963 g_free (vtable_trampolines);
5964 mono_memory_barrier ();
5965 vtable_trampolines = new_table;
5966 vtable_trampolines_size = new_size;
5971 if (!vtable_trampolines [index])
5972 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
5973 return vtable_trampolines [index];
5977 mini_get_imt_trampoline (int slot_index)
5979 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
5983 mini_parse_debug_options (void)
5985 char *options = getenv ("MONO_DEBUG");
5986 gchar **args, **ptr;
5991 args = g_strsplit (options, ",", -1);
5993 for (ptr = args; ptr && *ptr; ptr++) {
5994 const char *arg = *ptr;
5996 if (!strcmp (arg, "handle-sigint"))
5997 debug_options.handle_sigint = TRUE;
5998 else if (!strcmp (arg, "keep-delegates"))
5999 debug_options.keep_delegates = TRUE;
6000 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6001 debug_options.reverse_pinvoke_exceptions = TRUE;
6002 else if (!strcmp (arg, "collect-pagefault-stats"))
6003 debug_options.collect_pagefault_stats = TRUE;
6004 else if (!strcmp (arg, "break-on-unverified"))
6005 debug_options.break_on_unverified = TRUE;
6006 else if (!strcmp (arg, "no-gdb-backtrace"))
6007 debug_options.no_gdb_backtrace = TRUE;
6008 else if (!strcmp (arg, "suspend-on-sigsegv"))
6009 debug_options.suspend_on_sigsegv = TRUE;
6010 else if (!strcmp (arg, "suspend-on-unhandled"))
6011 debug_options.suspend_on_unhandled = TRUE;
6012 else if (!strcmp (arg, "dont-free-domains"))
6013 mono_dont_free_domains = TRUE;
6014 else if (!strcmp (arg, "dyn-runtime-invoke"))
6015 debug_options.dyn_runtime_invoke = TRUE;
6016 else if (!strcmp (arg, "gdb"))
6017 debug_options.gdb = TRUE;
6018 else if (!strcmp (arg, "explicit-null-checks"))
6019 debug_options.explicit_null_checks = TRUE;
6020 else if (!strcmp (arg, "gen-seq-points"))
6021 debug_options.gen_seq_points = TRUE;
6022 else if (!strcmp (arg, "init-stacks"))
6023 debug_options.init_stacks = TRUE;
6024 else if (!strcmp (arg, "casts"))
6025 debug_options.better_cast_details = TRUE;
6026 else if (!strcmp (arg, "soft-breakpoints"))
6027 debug_options.soft_breakpoints = TRUE;
6029 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6030 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'suspend-on-unhandled', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks'\n");
6039 mini_get_debug_options (void)
6041 return &debug_options;
6045 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6047 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
6051 gpointer* desc = NULL;
6053 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
6056 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6060 # elif defined(__ppc64__) || defined(__powerpc64__)
6063 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6069 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
6075 mini_get_addr_from_ftnptr (gpointer descr)
6077 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6078 return *(gpointer*)descr;
6085 register_jit_stats (void)
6087 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
6088 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
6089 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6090 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6091 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6092 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
6093 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
6094 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
6095 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
6096 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
6097 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
6098 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
6099 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
6100 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
6101 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
6102 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
6103 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
6106 static void runtime_invoke_info_free (gpointer value);
6109 mini_create_jit_domain_info (MonoDomain *domain)
6111 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
6113 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6114 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6115 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6116 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6117 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6118 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
6119 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
6120 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
6121 info->jump_target_hash = g_hash_table_new (NULL, NULL);
6123 domain->runtime_info = info;
6127 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
6129 MonoJumpList *jlist = value;
6130 g_slist_free (jlist->list);
6134 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
6136 MonoJitDynamicMethodInfo *di = value;
6137 mono_code_manager_destroy (di->code_mp);
6142 runtime_invoke_info_free (gpointer value)
6144 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
6146 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6147 if (info->dyn_call_info)
6148 mono_arch_dyn_call_free (info->dyn_call_info);
6154 mini_free_jit_domain_info (MonoDomain *domain)
6156 MonoJitDomainInfo *info = domain_jit_info (domain);
6158 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6159 g_hash_table_destroy (info->jump_target_hash);
6160 if (info->jump_target_got_slot_hash) {
6161 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6162 g_hash_table_destroy (info->jump_target_got_slot_hash);
6164 if (info->dynamic_code_hash) {
6165 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6166 g_hash_table_destroy (info->dynamic_code_hash);
6168 if (info->method_code_hash)
6169 g_hash_table_destroy (info->method_code_hash);
6170 g_hash_table_destroy (info->class_init_trampoline_hash);
6171 g_hash_table_destroy (info->jump_trampoline_hash);
6172 g_hash_table_destroy (info->jit_trampoline_hash);
6173 g_hash_table_destroy (info->delegate_trampoline_hash);
6174 if (info->static_rgctx_trampoline_hash)
6175 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6176 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6177 g_hash_table_destroy (info->runtime_invoke_hash);
6178 g_hash_table_destroy (info->seq_points);
6179 g_hash_table_destroy (info->arch_seq_points);
6181 if (info->agent_info)
6182 mono_debugger_agent_free_domain_info (domain);
6184 g_free (domain->runtime_info);
6185 domain->runtime_info = NULL;
6189 mini_init (const char *filename, const char *runtime_version)
6192 MonoRuntimeCallbacks callbacks;
6193 MonoThreadInfoRuntimeCallbacks ticallbacks;
6195 MONO_PROBE_VES_INIT_BEGIN ();
6197 #if defined(__linux__) && !defined(__native_client__)
6198 if (access ("/proc/self/maps", F_OK) != 0) {
6199 g_print ("Mono requires /proc to be mounted.\n");
6204 /* Happens when using the embedding interface */
6205 if (!default_opt_set)
6206 default_opt = mono_parse_default_optimizations (NULL);
6208 InitializeCriticalSection (&jit_mutex);
6210 #ifdef MONO_DEBUGGER_SUPPORTED
6211 if (mini_debug_running_inside_mdb ())
6212 mini_debugger_init ();
6215 #ifdef MONO_HAVE_FAST_TLS
6216 MONO_FAST_TLS_INIT (mono_jit_tls);
6217 MONO_FAST_TLS_INIT (mono_lmf_addr);
6218 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
6219 MONO_FAST_TLS_INIT (mono_lmf);
6223 #ifdef MONO_ARCH_HAVE_TLS_GET
6224 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
6226 mono_runtime_set_has_tls_get (FALSE);
6229 if (!global_codeman)
6230 global_codeman = mono_code_manager_new ();
6231 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
6233 memset (&callbacks, 0, sizeof (callbacks));
6234 callbacks.create_ftnptr = mini_create_ftnptr;
6235 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
6236 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
6237 callbacks.set_cast_details = mono_set_cast_details;
6238 callbacks.debug_log = mono_debugger_agent_debug_log;
6239 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
6241 #ifdef MONO_ARCH_HAVE_IMT
6243 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
6244 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
6248 mono_install_callbacks (&callbacks);
6250 memset (&ticallbacks, 0, sizeof (ticallbacks));
6251 ticallbacks.setup_async_callback = mono_setup_async_callback;
6252 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
6253 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
6255 mono_threads_runtime_init (&ticallbacks);
6258 if (getenv ("MONO_DEBUG") != NULL)
6259 mini_parse_debug_options ();
6261 mono_arch_cpu_init ();
6265 mono_unwind_init ();
6267 if (getenv ("MONO_XDEBUG")) {
6268 char *xdebug_opts = getenv ("MONO_XDEBUG");
6269 mono_xdebug_init (xdebug_opts);
6270 /* So methods for multiple domains don't have the same address */
6271 mono_dont_free_domains = TRUE;
6272 mono_using_xdebug = TRUE;
6273 } else if (mini_get_debug_options ()->gdb) {
6274 mono_xdebug_init ((char*)"gdb");
6275 mono_dont_free_domains = TRUE;
6276 mono_using_xdebug = TRUE;
6280 if (mono_use_llvm) {
6281 if (!mono_llvm_load (NULL)) {
6282 mono_use_llvm = FALSE;
6283 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
6290 mono_trampolines_init ();
6292 if (!g_thread_supported ())
6293 g_thread_init (NULL);
6295 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
6296 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
6298 if (default_opt & MONO_OPT_AOT)
6301 mono_debugger_agent_init ();
6303 #ifdef MONO_ARCH_GSHARED_SUPPORTED
6304 mono_set_generic_sharing_supported (TRUE);
6307 #ifndef MONO_CROSS_COMPILE
6308 mono_runtime_install_handlers ();
6310 mono_threads_install_cleanup (mini_thread_cleanup);
6312 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
6313 // This is experimental code so provide an env var to switch it off
6314 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
6315 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
6317 check_for_pending_exc = FALSE;
6318 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
6322 #define JIT_TRAMPOLINES_WORK
6323 #ifdef JIT_TRAMPOLINES_WORK
6324 mono_install_compile_method (mono_jit_compile_method);
6325 mono_install_free_method (mono_jit_free_method);
6326 mono_install_trampoline (mono_create_jit_trampoline);
6327 mono_install_jump_trampoline (mono_create_jump_trampoline);
6328 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
6329 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
6330 mono_install_create_domain_hook (mini_create_jit_domain_info);
6331 mono_install_free_domain_hook (mini_free_jit_domain_info);
6333 #define JIT_INVOKE_WORKS
6334 #ifdef JIT_INVOKE_WORKS
6335 mono_install_runtime_invoke (mono_jit_runtime_invoke);
6337 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
6338 mono_install_get_class_from_name (mono_aot_get_class_from_name);
6339 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
6341 if (debug_options.collect_pagefault_stats) {
6342 mono_aot_set_make_unreadable (TRUE);
6345 if (runtime_version)
6346 domain = mono_init_version (filename, runtime_version);
6348 domain = mono_init_from_assembly (filename, filename);
6350 if (mono_aot_only) {
6351 /* This helps catch code allocation requests */
6352 mono_code_manager_set_read_only (domain->code_mp);
6355 #ifdef MONO_ARCH_HAVE_IMT
6358 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
6360 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
6364 /* This must come after mono_init () in the aot-only case */
6365 mono_exceptions_init ();
6369 /* This should come after mono_init () too */
6372 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
6373 ves_icall_get_frame_info);
6374 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
6375 ves_icall_get_trace);
6376 mono_add_internal_call ("System.Exception::get_trace",
6377 ves_icall_System_Exception_get_trace);
6378 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
6379 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
6380 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
6381 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
6382 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
6383 mono_runtime_install_handlers);
6385 mono_create_helper_signatures ();
6387 register_jit_stats ();
6389 #define JIT_CALLS_WORK
6390 #ifdef JIT_CALLS_WORK
6391 /* Needs to be called here since register_jit_icall depends on it */
6392 mono_marshal_init ();
6394 mono_arch_register_lowlevel_calls ();
6395 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
6396 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
6397 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
6398 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
6399 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
6400 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
6401 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
6403 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
6404 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
6405 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
6407 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
6408 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
6409 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
6410 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
6411 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
6413 #if defined(__native_client__) || defined(__native_client_codegen__)
6414 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
6417 * NOTE, NOTE, NOTE, NOTE:
6418 * when adding emulation for some opcodes, remember to also add a dummy
6419 * rule to the burg files, because we need the arity information to be correct.
6421 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
6422 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
6423 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
6424 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
6425 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
6426 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
6427 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
6428 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
6431 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
6432 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
6433 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
6434 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
6437 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
6438 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
6439 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6440 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
6441 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6444 #ifdef MONO_ARCH_EMULATE_MUL_DIV
6445 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
6448 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
6449 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6450 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6453 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
6454 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
6457 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
6458 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
6459 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
6460 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
6462 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
6463 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
6465 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
6466 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6468 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
6469 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
6471 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
6472 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
6474 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
6475 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
6477 #ifdef MONO_ARCH_EMULATE_FREM
6478 #if defined(__default_codegen__)
6479 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
6480 #elif defined(__native_client_codegen__)
6481 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, FALSE);
6485 #ifdef MONO_ARCH_SOFT_FLOAT
6486 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
6487 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
6488 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
6489 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
6490 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
6491 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
6492 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
6493 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
6494 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
6495 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
6496 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
6497 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
6498 #if SIZEOF_VOID_P == 4
6499 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
6502 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
6503 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
6504 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
6505 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
6506 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
6507 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
6508 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
6509 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
6510 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
6511 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
6513 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
6514 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
6515 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
6516 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
6517 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
6519 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
6520 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
6521 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
6522 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
6525 #ifdef COMPRESSED_INTERFACE_BITMAP
6526 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
6529 #if SIZEOF_REGISTER == 4
6530 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
6533 /* other jit icalls */
6534 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
6535 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
6536 "ptr ptr ptr", FALSE);
6537 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
6538 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
6539 "ptr ptr ptr ptr", FALSE);
6540 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
6541 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
6542 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
6543 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
6544 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
6545 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
6546 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
6547 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
6548 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
6549 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
6550 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
6551 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
6552 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
6553 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
6554 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
6555 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
6556 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
6557 register_icall (mono_break, "mono_break", NULL, TRUE);
6558 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
6559 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
6560 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
6561 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
6562 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
6563 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
6564 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
6565 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
6567 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
6569 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
6570 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
6572 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
6576 mono_generic_sharing_init ();
6578 #ifdef MONO_ARCH_SIMD_INTRINSICS
6579 mono_simd_intrinsics_init ();
6582 #if MONO_SUPPORT_TASKLETS
6583 mono_tasklets_init ();
6586 if (mono_compile_aot)
6588 * Avoid running managed code when AOT compiling, since the platform
6589 * might only support aot-only execution.
6591 mono_runtime_set_no_exec (TRUE);
6593 #define JIT_RUNTIME_WORKS
6594 #ifdef JIT_RUNTIME_WORKS
6595 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
6596 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
6597 mono_thread_attach (domain);
6600 mono_profiler_runtime_initialized ();
6602 MONO_PROBE_VES_INIT_END ();
6607 MonoJitStats mono_jit_stats = {0};
6610 print_jit_stats (void)
6612 if (mono_jit_stats.enabled) {
6613 g_print ("Mono Jit statistics\n");
6614 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
6615 mono_jit_stats.max_ratio_method);
6616 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
6617 mono_jit_stats.biggest_method);
6619 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
6620 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
6621 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
6622 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
6623 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
6624 g_print ("Methods: %ld\n", mono_stats.method_count);
6625 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
6626 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
6627 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
6629 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
6630 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
6631 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
6633 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
6634 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
6635 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
6637 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
6638 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
6639 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
6641 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
6642 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
6643 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
6644 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
6645 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
6646 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
6647 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
6648 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
6650 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
6651 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
6652 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
6654 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
6655 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
6656 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
6657 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
6658 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
6659 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
6660 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
6661 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
6662 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
6663 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
6664 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
6665 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
6668 g_free (mono_jit_stats.max_ratio_method);
6669 mono_jit_stats.max_ratio_method = NULL;
6670 g_free (mono_jit_stats.biggest_method);
6671 mono_jit_stats.biggest_method = NULL;
6676 mini_cleanup (MonoDomain *domain)
6678 mono_runtime_shutdown_stat_profiler ();
6681 cominterop_release_all_rcws ();
6684 #ifndef MONO_CROSS_COMPILE
6685 mono_runtime_shutdown ();
6687 * mono_runtime_cleanup() and mono_domain_finalize () need to
6688 * be called early since they need the execution engine still
6689 * fully working (mono_domain_finalize may invoke managed finalizers
6690 * and mono_runtime_cleanup will wait for other threads to finish).
6692 mono_domain_finalize (domain, 2000);
6695 /* This accesses metadata so needs to be called before runtime shutdown */
6698 mono_profiler_shutdown ();
6700 #ifndef MONO_CROSS_COMPILE
6701 mono_runtime_cleanup (domain);
6704 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
6706 mono_icall_cleanup ();
6708 mono_runtime_cleanup_handlers ();
6710 mono_domain_free (domain, TRUE);
6712 mono_debugger_cleanup ();
6716 mono_llvm_cleanup ();
6719 mono_aot_cleanup ();
6721 mono_trampolines_cleanup ();
6723 mono_unwind_cleanup ();
6725 if (!mono_dont_free_global_codeman)
6726 mono_code_manager_destroy (global_codeman);
6727 g_hash_table_destroy (jit_icall_name_hash);
6728 g_free (emul_opcode_map);
6729 g_free (emul_opcode_opcodes);
6730 g_free (vtable_trampolines);
6732 mono_arch_cleanup ();
6734 mono_generic_sharing_cleanup ();
6738 mono_trace_cleanup ();
6740 mono_counters_dump (-1, stdout);
6742 if (mono_inject_async_exc_method)
6743 mono_method_desc_free (mono_inject_async_exc_method);
6745 mono_native_tls_free (mono_jit_tls_id);
6747 DeleteCriticalSection (&jit_mutex);
6749 DeleteCriticalSection (&mono_delegate_section);
6753 mono_set_defaults (int verbose_level, guint32 opts)
6755 mini_verbose = verbose_level;
6757 default_opt_set = TRUE;
6761 mono_disable_optimizations (guint32 opts)
6763 default_opt &= ~opts;
6767 * mono_get_runtime_build_info:
6769 * Return the runtime version + build date in string format.
6770 * The returned string is owned by the caller.
6773 mono_get_runtime_build_info (void)
6775 if (mono_build_date)
6776 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
6778 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
6782 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
6784 GHashTable *assemblies = (GHashTable*)user_data;
6785 MonoImage *image = mono_assembly_get_image (ass);
6786 MonoMethod *method, *invoke;
6789 if (g_hash_table_lookup (assemblies, ass))
6792 g_hash_table_insert (assemblies, ass, ass);
6794 if (mini_verbose > 0)
6795 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
6797 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
6798 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
6799 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
6803 if (mini_verbose > 1) {
6804 char * desc = mono_method_full_name (method, TRUE);
6805 g_print ("Compiling %d %s\n", count, desc);
6808 mono_compile_method (method);
6809 if (strcmp (method->name, "Finalize") == 0) {
6810 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6811 mono_compile_method (invoke);
6813 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
6814 invoke = mono_marshal_get_remoting_invoke_with_check (method);
6815 mono_compile_method (invoke);
6819 /* Load and precompile referenced assemblies as well */
6820 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
6821 mono_assembly_load_reference (image, i);
6822 if (image->references [i])
6823 mono_precompile_assembly (image->references [i], assemblies);
6827 void mono_precompile_assemblies ()
6829 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
6831 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
6833 g_hash_table_destroy (assemblies);
6839 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
6840 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
6844 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
6846 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
6847 hole->clause = clause;
6848 hole->start_offset = start - cfg->native_code;
6849 hole->basic_block = bb;
6851 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
6855 mono_cfg_set_exception (MonoCompile *cfg, int type)
6857 cfg->exception_type = type;