2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Copyright 2003-2010 Novell, Inc.
12 #define MONO_LLVM_IN_MINI 1
22 #ifdef HAVE_SYS_TIME_H
26 #include <mono/utils/memcheck.h>
28 #include <mono/metadata/assembly.h>
29 #include <mono/metadata/loader.h>
30 #include <mono/metadata/tabledefs.h>
31 #include <mono/metadata/class.h>
32 #include <mono/metadata/object.h>
33 #include <mono/metadata/tokentype.h>
34 #include <mono/metadata/tabledefs.h>
35 #include <mono/metadata/threads.h>
36 #include <mono/metadata/appdomain.h>
37 #include <mono/metadata/debug-helpers.h>
38 #include <mono/io-layer/io-layer.h>
39 #include "mono/metadata/profiler.h"
40 #include <mono/metadata/profiler-private.h>
41 #include <mono/metadata/mono-config.h>
42 #include <mono/metadata/environment.h>
43 #include <mono/metadata/mono-debug.h>
44 #include <mono/metadata/gc-internal.h>
45 #include <mono/metadata/threads-types.h>
46 #include <mono/metadata/verify.h>
47 #include <mono/metadata/verify-internals.h>
48 #include <mono/metadata/mempool-internals.h>
49 #include <mono/metadata/attach.h>
50 #include <mono/metadata/runtime.h>
51 #include <mono/utils/mono-math.h>
52 #include <mono/utils/mono-compiler.h>
53 #include <mono/utils/mono-counters.h>
54 #include <mono/utils/mono-logger-internal.h>
55 #include <mono/utils/mono-mmap.h>
56 #include <mono/utils/dtrace.h>
59 #include "mini-llvm.h"
66 #include "jit-icalls.h"
68 #include "debug-mini.h"
70 #include "debugger-agent.h"
72 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
75 static guint32 default_opt = 0;
76 static gboolean default_opt_set = FALSE;
78 guint32 mono_jit_tls_id = -1;
80 MONO_FAST_TLS_DECLARE(mono_jit_tls);
82 #ifndef MONO_ARCH_MONITOR_ENTER_ADJUSTMENT
83 #define MONO_ARCH_MONITOR_ENTER_ADJUSTMENT 1
86 MonoTraceSpec *mono_jit_trace_calls = NULL;
87 gboolean mono_break_on_exc = FALSE;
88 gboolean mono_compile_aot = FALSE;
89 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
90 gboolean mono_aot_only = FALSE;
91 /* Whenever to use IMT */
92 #ifdef MONO_ARCH_HAVE_IMT
93 gboolean mono_use_imt = TRUE;
95 gboolean mono_use_imt = FALSE;
97 MonoMethodDesc *mono_inject_async_exc_method = NULL;
98 int mono_inject_async_exc_pos;
99 MonoMethodDesc *mono_break_at_bb_method = NULL;
100 int mono_break_at_bb_bb_num;
101 gboolean mono_do_x86_stack_align = TRUE;
102 const char *mono_build_date;
103 gboolean mono_do_signal_chaining;
104 static gboolean mono_using_xdebug;
105 static int mini_verbose = 0;
108 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
109 * it can load AOT code compiled by LLVM.
111 gboolean mono_use_llvm = FALSE;
113 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
114 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
115 static CRITICAL_SECTION jit_mutex;
117 static MonoCodeManager *global_codeman = NULL;
119 static GHashTable *jit_icall_name_hash = NULL;
121 static MonoDebugOptions debug_options;
123 #ifdef VALGRIND_JIT_REGISTER_MAP
124 static int valgrind_register = 0;
128 * Table written to by the debugger with a 1-based index into the
129 * mono_breakpoint_info table, which contains changes made to
130 * the JIT instructions by the debugger.
133 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
135 /* Whenever to check for pending exceptions in managed-to-native wrappers */
136 gboolean check_for_pending_exc = TRUE;
138 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
139 gboolean disable_vtypes_in_regs = FALSE;
141 gboolean mono_dont_free_global_codeman;
144 mono_realloc_native_code (MonoCompile *cfg)
146 #if defined(__default_codegen__)
147 return g_realloc (cfg->native_code, cfg->code_size);
148 #elif defined(__native_client_codegen__)
150 gpointer native_code;
151 guint alignment_check;
153 /* Save the old alignment offset so we can re-align after the realloc. */
154 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
156 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
157 cfg->code_size + kNaClAlignment );
159 /* Align native_code to next nearest kNaClAlignment byte. */
160 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
161 native_code = (guint)native_code & ~kNaClAlignmentMask;
163 /* Shift the data to be 32-byte aligned again. */
164 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
166 alignment_check = (guint)native_code & kNaClAlignmentMask;
167 g_assert (alignment_check == 0);
170 g_assert_not_reached ();
171 return cfg->native_code;
175 #ifdef __native_client_codegen__
177 /* Prevent instructions from straddling a 32-byte alignment boundary. */
178 /* Instructions longer than 32 bytes must be aligned internally. */
179 /* IN: pcode, instlen */
181 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
184 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
186 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
187 g_assert_not_reached();
188 } else if (instlen > space_in_block) {
189 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
193 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
194 /* IN: start pointer to start of call sequence */
195 /* IN: pcode pointer to end of call sequence (current "IP") */
196 /* OUT: start pointer to the start of the call sequence after padding */
197 /* OUT: pcode pointer to the end of the call sequence after padding */
198 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
199 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
200 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
203 const size_t length = (size_t)((*pcode)-(*start));
204 g_assert(length < MAX_NACL_CALL_LENGTH);
206 memcpy(copy_of_call, *start, length);
207 temp = mono_nacl_pad_call(*start, (guint8)length);
208 memcpy(temp, copy_of_call, length);
210 (*pcode) = temp + length;
213 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
214 /* code pointer to buffer for emitting code */
215 /* ilength length of call instruction */
216 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
217 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
218 int padding = freeSpaceInBlock - ilength;
221 /* There isn't enough space in this block for the instruction. */
222 /* Fill this block and start a new one. */
223 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
224 freeSpaceInBlock = kNaClAlignment;
225 padding = freeSpaceInBlock - ilength;
227 g_assert(ilength > 0);
228 g_assert(padding >= 0);
229 g_assert(padding < kNaClAlignment);
230 if (0 == padding) return code;
231 return mono_arch_nacl_pad(code, padding);
234 guint8 *mono_nacl_align(guint8 *code) {
235 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
236 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
240 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
242 MonoJumpInfo *patch_info;
243 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
244 unsigned char *ip = patch_info->ip.i + code;
245 ip = mono_arch_nacl_skip_nops(ip);
246 patch_info->ip.i = ip - code;
249 #endif /* __native_client_codegen__ */
252 mono_running_on_valgrind (void)
254 if (RUNNING_ON_VALGRIND){
255 #ifdef VALGRIND_JIT_REGISTER_MAP
256 valgrind_register = TRUE;
264 MonoExceptionClause *clause;
265 MonoBasicBlock *basic_block;
275 find_tramp (gpointer key, gpointer value, gpointer user_data)
277 FindTrampUserData *ud = (FindTrampUserData*)user_data;
280 ud->method = (MonoMethod*)key;
284 G_GNUC_UNUSED static char*
285 get_method_from_ip (void *ip)
290 MonoDomain *domain = mono_domain_get ();
291 MonoDebugSourceLocation *location;
292 FindTrampUserData user_data;
294 ji = mono_jit_info_table_find (domain, ip);
297 user_data.method = NULL;
298 mono_domain_lock (domain);
299 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
300 mono_domain_unlock (domain);
301 if (user_data.method) {
302 char *mname = mono_method_full_name (user_data.method, TRUE);
303 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
310 method = mono_method_full_name (ji->method, TRUE);
311 /* FIXME: unused ? */
312 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
314 res = g_strdup_printf (" %s + 0x%x (%p %p) [%p - %s]", method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
316 mono_debug_free_source_location (location);
324 * @ip: an instruction pointer address
326 * This method is used from a debugger to get the name of the
327 * method at address @ip. This routine is typically invoked from
328 * a debugger like this:
330 * (gdb) print mono_pmip ($pc)
332 * Returns: the name of the method at address @ip.
337 return get_method_from_ip (ip);
341 * mono_print_method_from_ip
342 * @ip: an instruction pointer address
344 * This method is used from a debugger to get the name of the
345 * method at address @ip.
347 * This prints the name of the method at address @ip in the standard
348 * output. Unlike mono_pmip which returns a string, this routine
349 * prints the value on the standard output.
352 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
353 __attribute__((used))
356 mono_print_method_from_ip (void *ip)
360 MonoDebugSourceLocation *source;
361 MonoDomain *domain = mono_domain_get ();
362 MonoDomain *target_domain = mono_domain_get ();
363 FindTrampUserData user_data;
365 ji = mini_jit_info_table_find (domain, ip, &target_domain);
368 user_data.method = NULL;
369 mono_domain_lock (domain);
370 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
371 mono_domain_unlock (domain);
372 if (user_data.method) {
373 char *mname = mono_method_full_name (user_data.method, TRUE);
374 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
378 g_print ("No method at %p\n", ip);
381 method = mono_method_full_name (ji->method, TRUE);
382 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
384 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);
387 g_print ("%s:%d\n", source->source_file, source->row);
389 mono_debug_free_source_location (source);
394 * mono_method_same_domain:
396 * Determine whenever two compiled methods are in the same domain, thus
397 * the address of the callee can be embedded in the caller.
399 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
401 if (!caller || !callee)
405 * If the call was made from domain-neutral to domain-specific
406 * code, we can't patch the call site.
408 if (caller->domain_neutral && !callee->domain_neutral)
411 if ((caller->method->klass == mono_defaults.appdomain_class) &&
412 (strstr (caller->method->name, "InvokeInDomain"))) {
413 /* The InvokeInDomain methods change the current appdomain */
421 * mono_global_codeman_reserve:
423 * Allocate code memory from the global code manager.
425 void *mono_global_codeman_reserve (int size)
430 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
432 if (!global_codeman) {
433 /* This can happen during startup */
434 global_codeman = mono_code_manager_new ();
435 return mono_code_manager_reserve (global_codeman, size);
439 ptr = mono_code_manager_reserve (global_codeman, size);
445 #if defined(__native_client_codegen__) && defined(__native_client__)
446 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
447 * which we are generating code, return a pointer to the destination in the
448 * dynamic code segment into which the code will be copied when
449 * mono_global_codeman_commit is called.
450 * LOCKING: Acquires the jit lock.
453 nacl_global_codeman_get_dest (void *data)
457 dest = nacl_code_manager_get_code_dest (global_codeman, data);
463 mono_global_codeman_commit (void *data, int size, int newsize)
466 mono_code_manager_commit (global_codeman, data, size, newsize);
471 * Convenience function which calls mono_global_codeman_commit to validate and
472 * copy the code. The caller sets *buf_base and *buf_size to the start and size
473 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
474 * the byte after the last instruction byte. On return, *buf_base will point to
475 * the start of the copied in the code segment, and *code_end will point after
476 * the end of the copied code.
479 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
481 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
482 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
483 *code_end = tmp + (*code_end - *buf_base);
487 /* no-op versions of Native Client functions */
489 nacl_global_codeman_get_dest (void *data)
495 mono_global_codeman_commit (void *data, int size, int newsize)
500 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
504 #endif /* __native_client__ */
507 * mono_create_unwind_op:
509 * Create an unwind op with the given parameters.
512 mono_create_unwind_op (int when, int tag, int reg, int val)
514 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
525 * mono_emit_unwind_op:
527 * Add an unwind op with the given parameters for the list of unwind ops stored in
531 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
533 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
540 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
544 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
546 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
549 res->has_context = context != NULL;
551 memcpy (&res->context, context, sizeof (MonoGenericContext));
557 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
559 return mono_jump_info_token_new2 (mp, image, token, NULL);
563 * mono_tramp_info_create:
565 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
566 * of NAME, JI, and UNWIND_OPS.
569 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
571 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
573 info->name = (char*)name;
575 info->code_size = code_size;
577 info->unwind_ops = unwind_ops;
583 mono_tramp_info_free (MonoTrampInfo *info)
590 for (l = info->unwind_ops; l; l = l->next)
592 g_slist_free (info->unwind_ops);
596 #define MONO_INIT_VARINFO(vi,id) do { \
597 (vi)->range.first_use.pos.bid = 0xffff; \
603 * mono_unlink_bblock:
605 * Unlink two basic blocks.
608 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
614 for (i = 0; i < from->out_count; ++i) {
615 if (to == from->out_bb [i]) {
622 for (i = 0; i < from->out_count; ++i) {
623 if (from->out_bb [i] != to)
624 from->out_bb [pos ++] = from->out_bb [i];
626 g_assert (pos == from->out_count - 1);
631 for (i = 0; i < to->in_count; ++i) {
632 if (from == to->in_bb [i]) {
639 for (i = 0; i < to->in_count; ++i) {
640 if (to->in_bb [i] != from)
641 to->in_bb [pos ++] = to->in_bb [i];
643 g_assert (pos == to->in_count - 1);
649 * mono_bblocks_linked:
651 * Return whenever BB1 and BB2 are linked in the CFG.
654 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
658 for (i = 0; i < bb1->out_count; ++i) {
659 if (bb1->out_bb [i] == bb2)
667 mono_find_block_region_notry (MonoCompile *cfg, int offset)
669 MonoMethodHeader *header = cfg->header;
670 MonoExceptionClause *clause;
673 for (i = 0; i < header->num_clauses; ++i) {
674 clause = &header->clauses [i];
675 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
676 (offset < (clause->handler_offset)))
677 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
679 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
680 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
681 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
682 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
683 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
685 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
693 * mono_get_block_region_notry:
695 * Return the region corresponding to REGION, ignoring try clauses nested inside
699 mono_get_block_region_notry (MonoCompile *cfg, int region)
701 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
702 MonoMethodHeader *header = cfg->header;
705 * This can happen if a try clause is nested inside a finally clause.
707 int clause_index = (region >> 8) - 1;
708 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
710 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
717 mono_find_spvar_for_region (MonoCompile *cfg, int region)
719 region = mono_get_block_region_notry (cfg, region);
721 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
725 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
729 array [*dfn] = start;
730 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
731 for (i = 0; i < start->out_count; ++i) {
732 if (start->out_bb [i]->dfn)
735 start->out_bb [i]->dfn = *dfn;
736 start->out_bb [i]->df_parent = start;
737 array [*dfn] = start->out_bb [i];
738 df_visit (start->out_bb [i], dfn, array);
743 mono_reverse_branch_op (guint32 opcode)
745 static const int reverse_map [] = {
746 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
747 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
749 static const int reverse_fmap [] = {
750 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
751 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
753 static const int reverse_lmap [] = {
754 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
755 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
757 static const int reverse_imap [] = {
758 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
759 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
762 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
763 opcode = reverse_map [opcode - CEE_BEQ];
764 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
765 opcode = reverse_fmap [opcode - OP_FBEQ];
766 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
767 opcode = reverse_lmap [opcode - OP_LBEQ];
768 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
769 opcode = reverse_imap [opcode - OP_IBEQ];
771 g_assert_not_reached ();
777 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
780 return OP_STORE_MEMBASE_REG;
783 switch (type->type) {
786 case MONO_TYPE_BOOLEAN:
787 return OP_STOREI1_MEMBASE_REG;
791 return OP_STOREI2_MEMBASE_REG;
794 return OP_STOREI4_MEMBASE_REG;
798 case MONO_TYPE_FNPTR:
799 return OP_STORE_MEMBASE_REG;
800 case MONO_TYPE_CLASS:
801 case MONO_TYPE_STRING:
802 case MONO_TYPE_OBJECT:
803 case MONO_TYPE_SZARRAY:
804 case MONO_TYPE_ARRAY:
805 return OP_STORE_MEMBASE_REG;
808 return OP_STOREI8_MEMBASE_REG;
810 return OP_STORER4_MEMBASE_REG;
812 return OP_STORER8_MEMBASE_REG;
813 case MONO_TYPE_VALUETYPE:
814 if (type->data.klass->enumtype) {
815 type = mono_class_enum_basetype (type->data.klass);
818 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
819 return OP_STOREX_MEMBASE;
820 return OP_STOREV_MEMBASE;
821 case MONO_TYPE_TYPEDBYREF:
822 return OP_STOREV_MEMBASE;
823 case MONO_TYPE_GENERICINST:
824 type = &type->data.generic_class->container_class->byval_arg;
828 /* FIXME: all the arguments must be references for now,
829 * later look inside cfg and see if the arg num is
832 g_assert (cfg->generic_sharing_context);
833 return OP_STORE_MEMBASE_REG;
835 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
841 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
844 return OP_LOAD_MEMBASE;
846 type = mono_type_get_underlying_type (type);
848 switch (type->type) {
850 return OP_LOADI1_MEMBASE;
852 case MONO_TYPE_BOOLEAN:
853 return OP_LOADU1_MEMBASE;
855 return OP_LOADI2_MEMBASE;
858 return OP_LOADU2_MEMBASE;
860 return OP_LOADI4_MEMBASE;
862 return OP_LOADU4_MEMBASE;
866 case MONO_TYPE_FNPTR:
867 return OP_LOAD_MEMBASE;
868 case MONO_TYPE_CLASS:
869 case MONO_TYPE_STRING:
870 case MONO_TYPE_OBJECT:
871 case MONO_TYPE_SZARRAY:
872 case MONO_TYPE_ARRAY:
873 return OP_LOAD_MEMBASE;
876 return OP_LOADI8_MEMBASE;
878 return OP_LOADR4_MEMBASE;
880 return OP_LOADR8_MEMBASE;
881 case MONO_TYPE_VALUETYPE:
882 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
883 return OP_LOADX_MEMBASE;
884 case MONO_TYPE_TYPEDBYREF:
885 return OP_LOADV_MEMBASE;
886 case MONO_TYPE_GENERICINST:
887 if (mono_type_generic_inst_is_valuetype (type))
888 return OP_LOADV_MEMBASE;
890 return OP_LOAD_MEMBASE;
894 /* FIXME: all the arguments must be references for now,
895 * later look inside cfg and see if the arg num is
898 g_assert (cfg->generic_sharing_context);
899 return OP_LOAD_MEMBASE;
901 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
907 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
909 if (cfg->generic_sharing_context && !type->byref) {
910 /* FIXME: all the arguments must be references for now,
911 * later look inside cfg and see if the arg num is
914 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
915 return CEE_LDIND_REF;
917 return mono_type_to_ldind (type);
921 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
923 if (cfg->generic_sharing_context && !type->byref) {
924 /* FIXME: all the arguments must be references for now,
925 * later look inside cfg and see if the arg num is
928 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
929 return CEE_STIND_REF;
931 return mono_type_to_stind (type);
935 mono_op_imm_to_op (int opcode)
939 #if SIZEOF_REGISTER == 4
955 #if SIZEOF_REGISTER == 4
961 #if SIZEOF_REGISTER == 4
967 #if SIZEOF_REGISTER == 4
1000 case OP_IREM_UN_IMM:
1005 #if SIZEOF_REGISTER == 4
1011 #if SIZEOF_REGISTER == 4
1028 case OP_COMPARE_IMM:
1030 case OP_ICOMPARE_IMM:
1032 case OP_LOCALLOC_IMM:
1035 printf ("%s\n", mono_inst_name (opcode));
1036 g_assert_not_reached ();
1042 * mono_decompose_op_imm:
1044 * Replace the OP_.._IMM INS with its non IMM variant.
1047 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1051 MONO_INST_NEW (cfg, temp, OP_ICONST);
1052 temp->inst_c0 = ins->inst_imm;
1053 temp->dreg = mono_alloc_ireg (cfg);
1054 mono_bblock_insert_before_ins (bb, ins, temp);
1055 ins->opcode = mono_op_imm_to_op (ins->opcode);
1056 if (ins->opcode == OP_LOCALLOC)
1057 ins->sreg1 = temp->dreg;
1059 ins->sreg2 = temp->dreg;
1061 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1065 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1067 if (vreg >= cfg->vreg_to_inst_len) {
1068 MonoInst **tmp = cfg->vreg_to_inst;
1069 int size = cfg->vreg_to_inst_len;
1071 while (vreg >= cfg->vreg_to_inst_len)
1072 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1073 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1075 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1077 cfg->vreg_to_inst [vreg] = inst;
1080 #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)))
1081 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1086 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1094 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1097 int num = cfg->num_varinfo;
1100 if ((num + 1) >= cfg->varinfo_count) {
1101 int orig_count = cfg->varinfo_count;
1102 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1103 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1104 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1105 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1108 mono_jit_stats.allocate_var++;
1110 MONO_INST_NEW (cfg, inst, opcode);
1111 inst->inst_c0 = num;
1112 inst->inst_vtype = type;
1113 inst->klass = mono_class_from_mono_type (type);
1114 type_to_eval_stack_type (cfg, type, inst);
1115 /* if set to 1 the variable is native */
1116 inst->backend.is_pinvoke = 0;
1119 if (cfg->compute_gc_maps) {
1121 mono_mark_vreg_as_mp (cfg, vreg);
1123 MonoType *t = mini_type_get_underlying_type (NULL, type);
1124 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || MONO_TYPE_IS_REFERENCE (t)) {
1125 inst->flags |= MONO_INST_GC_TRACK;
1126 mono_mark_vreg_as_ref (cfg, vreg);
1131 cfg->varinfo [num] = inst;
1133 MONO_INIT_VARINFO (&cfg->vars [num], num);
1134 MONO_VARINFO (cfg, num)->vreg = vreg;
1137 set_vreg_to_inst (cfg, vreg, inst);
1139 #if SIZEOF_REGISTER == 4
1140 #ifdef MONO_ARCH_SOFT_FLOAT
1141 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1143 regpair = mono_type_is_long (type);
1153 * These two cannot be allocated using create_var_for_vreg since that would
1154 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1158 * Set flags to VOLATILE so SSA skips it.
1161 if (cfg->verbose_level >= 4) {
1162 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1165 #ifdef MONO_ARCH_SOFT_FLOAT
1166 if (cfg->opt & MONO_OPT_SSA) {
1167 if (mono_type_is_float (type))
1168 inst->flags = MONO_INST_VOLATILE;
1172 /* Allocate a dummy MonoInst for the first vreg */
1173 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1174 tree->dreg = inst->dreg + 1;
1175 if (cfg->opt & MONO_OPT_SSA)
1176 tree->flags = MONO_INST_VOLATILE;
1177 tree->inst_c0 = num;
1178 tree->type = STACK_I4;
1179 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1180 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1182 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1184 /* Allocate a dummy MonoInst for the second vreg */
1185 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1186 tree->dreg = inst->dreg + 2;
1187 if (cfg->opt & MONO_OPT_SSA)
1188 tree->flags = MONO_INST_VOLATILE;
1189 tree->inst_c0 = num;
1190 tree->type = STACK_I4;
1191 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1192 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1194 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1198 if (cfg->verbose_level > 2)
1199 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1204 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1208 if (mono_type_is_long (type))
1209 dreg = mono_alloc_dreg (cfg, STACK_I8);
1210 #ifdef MONO_ARCH_SOFT_FLOAT
1211 else if (mono_type_is_float (type))
1212 dreg = mono_alloc_dreg (cfg, STACK_R8);
1215 /* All the others are unified */
1216 dreg = mono_alloc_preg (cfg);
1218 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1222 * Transform a MonoInst into a load from the variable of index var_index.
1225 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1226 memset (dest, 0, sizeof (MonoInst));
1227 dest->inst_i0 = cfg->varinfo [var_index];
1228 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1229 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1230 dest->klass = dest->inst_i0->klass;
1236 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1238 if (vreg >= cfg->vreg_is_ref_len) {
1239 gboolean *tmp = cfg->vreg_is_ref;
1240 int size = cfg->vreg_is_ref_len;
1242 while (vreg >= cfg->vreg_is_ref_len)
1243 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1244 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1246 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1248 cfg->vreg_is_ref [vreg] = TRUE;
1252 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1254 if (vreg >= cfg->vreg_is_mp_len) {
1255 gboolean *tmp = cfg->vreg_is_mp;
1256 int size = cfg->vreg_is_mp_len;
1258 while (vreg >= cfg->vreg_is_mp_len)
1259 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1260 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1262 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1264 cfg->vreg_is_mp [vreg] = TRUE;
1268 type_from_stack_type (MonoInst *ins) {
1269 switch (ins->type) {
1270 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1271 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1272 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1273 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1276 * this if used to be commented without any specific reason, but
1277 * it breaks #80235 when commented
1280 return &ins->klass->this_arg;
1282 return &mono_defaults.object_class->this_arg;
1284 /* ins->klass may not be set for ldnull.
1285 * Also, if we have a boxed valuetype, we want an object lass,
1286 * not the valuetype class
1288 if (ins->klass && !ins->klass->valuetype)
1289 return &ins->klass->byval_arg;
1290 return &mono_defaults.object_class->byval_arg;
1291 case STACK_VTYPE: return &ins->klass->byval_arg;
1293 g_error ("stack type %d to montype not handled\n", ins->type);
1299 mono_type_from_stack_type (MonoInst *ins) {
1300 return type_from_stack_type (ins);
1304 * mono_add_ins_to_end:
1306 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1309 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1314 MONO_ADD_INS (bb, inst);
1318 switch (bb->last_ins->opcode) {
1332 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1335 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1336 /* Need to insert the ins before the compare */
1337 if (bb->code == bb->last_ins) {
1338 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1342 if (bb->code->next == bb->last_ins) {
1343 /* Only two instructions */
1344 opcode = bb->code->opcode;
1346 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)) {
1348 mono_bblock_insert_before_ins (bb, bb->code, inst);
1350 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1353 opcode = bb->last_ins->prev->opcode;
1355 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)) {
1357 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1359 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1364 MONO_ADD_INS (bb, inst);
1370 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1372 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1373 MonoJumpInfoBBTable *table;
1375 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1377 table->table_size = num_blocks;
1379 ji->ip.label = label;
1380 ji->type = MONO_PATCH_INFO_SWITCH;
1381 ji->data.table = table;
1382 ji->next = cfg->patch_info;
1383 cfg->patch_info = ji;
1386 static MonoMethodSignature *
1387 mono_get_array_new_va_signature (int arity)
1389 static GHashTable *sighash = NULL;
1390 MonoMethodSignature *res;
1395 sighash = g_hash_table_new (NULL, NULL);
1397 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1402 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1405 #ifdef MONO_ARCH_VARARG_ICALLS
1406 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1407 res->call_convention = MONO_CALL_VARARG;
1411 res->call_convention = MONO_CALL_C;
1414 res->params [0] = &mono_defaults.int_class->byval_arg;
1415 for (i = 0; i < arity; i++)
1416 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1418 res->ret = &mono_defaults.object_class->byval_arg;
1420 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1427 mono_get_array_new_va_icall (int rank)
1429 MonoMethodSignature *esig;
1430 char icall_name [256];
1432 MonoJitICallInfo *info;
1434 /* Need to register the icall so it gets an icall wrapper */
1435 sprintf (icall_name, "ves_array_new_va_%d", rank);
1438 info = mono_find_jit_icall_by_name (icall_name);
1440 esig = mono_get_array_new_va_signature (rank);
1441 name = g_strdup (icall_name);
1442 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1444 g_hash_table_insert (jit_icall_name_hash, name, name);
1452 mini_class_is_system_array (MonoClass *klass)
1454 if (klass->parent == mono_defaults.array_class)
1461 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1463 MonoAssembly *assembly = method->klass->image->assembly;
1464 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1466 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1468 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1470 return mono_assembly_has_skip_verification (assembly);
1474 * mini_method_verify:
1476 * Verify the method using the new verfier.
1478 * Returns true if the method is invalid.
1481 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1484 gboolean is_fulltrust;
1485 MonoLoaderError *error;
1487 if (method->verification_success)
1490 is_fulltrust = mono_verifier_is_method_full_trust (method);
1492 if (!mono_verifier_is_enabled_for_method (method))
1495 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility);
1497 if ((error = mono_loader_get_last_error ())) {
1499 cfg->exception_type = error->exception_type;
1501 mono_loader_clear_error ();
1503 mono_free_verify_list (res);
1508 for (tmp = res; tmp; tmp = tmp->next) {
1509 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1510 if (info->info.status == MONO_VERIFY_ERROR) {
1512 char *method_name = mono_method_full_name (method, TRUE);
1513 cfg->exception_type = info->exception_type;
1514 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1515 g_free (method_name);
1517 mono_free_verify_list (res);
1520 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1522 char *method_name = mono_method_full_name (method, TRUE);
1523 cfg->exception_type = info->exception_type;
1524 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1525 g_free (method_name);
1527 mono_free_verify_list (res);
1531 mono_free_verify_list (res);
1533 method->verification_success = 1;
1537 /*Returns true if something went wrong*/
1539 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1541 MonoMethod *method_definition = method;
1542 gboolean dont_verify = mini_assembly_can_skip_verification (cfg->domain, method);
1543 dont_verify |= method->klass->image->assembly->corlib_internal;
1545 while (method_definition->is_inflated) {
1546 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1547 method_definition = imethod->declaring;
1550 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1553 static gconstpointer
1554 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1557 MonoMethod *wrapper;
1558 gconstpointer trampoline;
1559 MonoDomain *domain = mono_get_root_domain ();
1561 if (callinfo->wrapper) {
1562 return callinfo->wrapper;
1565 if (callinfo->trampoline)
1566 return callinfo->trampoline;
1569 * We use the lock on the root domain instead of the JIT lock to protect
1570 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1572 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1573 mono_domain_lock (domain);
1575 if (callinfo->trampoline) {
1576 mono_domain_unlock (domain);
1577 mono_loader_unlock ();
1578 return callinfo->trampoline;
1581 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1582 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1586 trampoline = mono_compile_method (wrapper);
1588 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1589 mono_register_jit_icall_wrapper (callinfo, trampoline);
1591 callinfo->trampoline = trampoline;
1593 mono_domain_unlock (domain);
1594 mono_loader_unlock ();
1596 return callinfo->trampoline;
1600 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1602 return mono_icall_get_wrapper_full (callinfo, FALSE);
1606 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1608 if (!domain_jit_info (domain)->dynamic_code_hash)
1609 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1610 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1613 static MonoJitDynamicMethodInfo*
1614 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1616 MonoJitDynamicMethodInfo *res;
1618 if (domain_jit_info (domain)->dynamic_code_hash)
1619 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1627 GList *active, *inactive;
1632 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1634 MonoMethodVar *v1 = (MonoMethodVar*)a;
1635 MonoMethodVar *v2 = (MonoMethodVar*)b;
1639 else if (v1->interval->range && v2->interval->range)
1640 return v1->interval->range->from - v2->interval->range->from;
1641 else if (v1->interval->range)
1650 #define LSCAN_DEBUG(a) do { a; } while (0)
1652 #define LSCAN_DEBUG(a)
1656 mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1658 int i, slot, offset, size;
1663 GList *vars = NULL, *l, *unhandled;
1664 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1667 gboolean reuse_slot;
1669 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1671 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1672 vtype_stack_slots = NULL;
1675 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1676 for (i = 0; i < cfg->num_varinfo; ++i)
1679 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1680 inst = cfg->varinfo [i];
1681 vmv = MONO_VARINFO (cfg, i);
1683 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1686 vars = g_list_prepend (vars, vmv);
1689 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1694 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1695 MonoMethodVar *current = unhandled->data;
1697 if (current->interval->range) {
1698 g_assert (current->interval->range->from >= i);
1699 i = current->interval->range->from;
1706 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1707 MonoMethodVar *current = unhandled->data;
1710 inst = cfg->varinfo [vmv->idx];
1712 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1713 * pinvoke wrappers when they call functions returning structures */
1714 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1715 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1720 size = mono_type_size (inst->inst_vtype, &ialign);
1723 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1728 if (cfg->disable_reuse_stack_slots)
1731 t = mono_type_get_underlying_type (inst->inst_vtype);
1733 case MONO_TYPE_GENERICINST:
1734 if (!mono_type_generic_inst_is_valuetype (t)) {
1735 slot_info = &scalar_stack_slots [t->type];
1739 case MONO_TYPE_VALUETYPE:
1740 if (!vtype_stack_slots)
1741 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1742 for (i = 0; i < nvtypes; ++i)
1743 if (t->data.klass == vtype_stack_slots [i].vtype)
1746 slot_info = &vtype_stack_slots [i];
1748 g_assert (nvtypes < 256);
1749 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1750 slot_info = &vtype_stack_slots [nvtypes];
1753 if (cfg->disable_reuse_ref_stack_slots)
1760 #if SIZEOF_VOID_P == 4
1765 if (cfg->disable_ref_noref_stack_slot_share) {
1766 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1771 case MONO_TYPE_CLASS:
1772 case MONO_TYPE_OBJECT:
1773 case MONO_TYPE_ARRAY:
1774 case MONO_TYPE_SZARRAY:
1775 case MONO_TYPE_STRING:
1776 /* Share non-float stack slots of the same size */
1777 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1778 if (cfg->disable_reuse_ref_stack_slots)
1783 slot_info = &scalar_stack_slots [t->type];
1787 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1791 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1793 if (!current->interval->range) {
1794 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1798 inst->flags |= MONO_INST_IS_DEAD;
1803 pos = current->interval->range->from;
1805 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1806 if (current->interval->range)
1807 LSCAN_DEBUG (mono_linterval_print (current->interval));
1808 LSCAN_DEBUG (printf ("\n"));
1810 /* Check for intervals in active which expired or inactive */
1812 /* FIXME: Optimize this */
1815 for (l = slot_info->active; l != NULL; l = l->next) {
1816 MonoMethodVar *v = (MonoMethodVar*)l->data;
1818 if (v->interval->last_range->to < pos) {
1819 slot_info->active = g_list_delete_link (slot_info->active, l);
1820 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1821 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1825 else if (!mono_linterval_covers (v->interval, pos)) {
1826 slot_info->inactive = g_list_append (slot_info->inactive, v);
1827 slot_info->active = g_list_delete_link (slot_info->active, l);
1828 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1835 /* Check for intervals in inactive which expired or active */
1837 /* FIXME: Optimize this */
1840 for (l = slot_info->inactive; l != NULL; l = l->next) {
1841 MonoMethodVar *v = (MonoMethodVar*)l->data;
1843 if (v->interval->last_range->to < pos) {
1844 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1845 // FIXME: Enabling this seems to cause impossible to debug crashes
1846 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1847 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1851 else if (mono_linterval_covers (v->interval, pos)) {
1852 slot_info->active = g_list_append (slot_info->active, v);
1853 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1854 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1862 * This also handles the case when the variable is used in an
1863 * exception region, as liveness info is not computed there.
1866 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1869 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1870 if (slot_info->slots) {
1871 slot = GPOINTER_TO_INT (slot_info->slots->data);
1873 slot_info->slots = slot_info->slots->next;
1876 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1878 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1884 static int count = 0;
1887 if (count == atoi (getenv ("COUNT3")))
1888 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1889 if (count > atoi (getenv ("COUNT3")))
1892 mono_print_ins (inst);
1897 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1902 if (slot == 0xffffff) {
1904 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1905 * efficient copying (and to work around the fact that OP_MEMCPY
1906 * and OP_MEMSET ignores alignment).
1908 if (MONO_TYPE_ISSTRUCT (t)) {
1909 align = MAX (align, sizeof (gpointer));
1910 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1915 offset += align - 1;
1916 offset &= ~(align - 1);
1920 offset += align - 1;
1921 offset &= ~(align - 1);
1926 if (*stack_align == 0)
1927 *stack_align = align;
1930 offsets [vmv->idx] = slot;
1933 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1934 if (scalar_stack_slots [i].active)
1935 g_list_free (scalar_stack_slots [i].active);
1937 for (i = 0; i < nvtypes; ++i) {
1938 if (vtype_stack_slots [i].active)
1939 g_list_free (vtype_stack_slots [i].active);
1942 mono_jit_stats.locals_stack_size += offset;
1944 *stack_size = offset;
1949 * mono_allocate_stack_slots_full:
1951 * Allocate stack slots for all non register allocated variables using a
1952 * linear scan algorithm.
1953 * Returns: an array of stack offsets.
1954 * STACK_SIZE is set to the amount of stack space needed.
1955 * STACK_ALIGN is set to the alignment needed by the locals area.
1958 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1960 int i, slot, offset, size;
1965 GList *vars = NULL, *l;
1966 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1969 gboolean reuse_slot;
1971 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1972 return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
1974 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1975 vtype_stack_slots = NULL;
1978 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1979 for (i = 0; i < cfg->num_varinfo; ++i)
1982 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1983 inst = cfg->varinfo [i];
1984 vmv = MONO_VARINFO (cfg, i);
1986 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1989 vars = g_list_prepend (vars, vmv);
1992 vars = mono_varlist_sort (cfg, vars, 0);
1994 *stack_align = sizeof(mgreg_t);
1995 for (l = vars; l; l = l->next) {
1997 inst = cfg->varinfo [vmv->idx];
1999 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2000 * pinvoke wrappers when they call functions returning structures */
2001 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
2002 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
2006 size = mono_type_size (inst->inst_vtype, &ialign);
2009 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
2014 if (cfg->disable_reuse_stack_slots)
2017 t = mono_type_get_underlying_type (inst->inst_vtype);
2019 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2022 case MONO_TYPE_GENERICINST:
2023 if (!mono_type_generic_inst_is_valuetype (t)) {
2024 slot_info = &scalar_stack_slots [t->type];
2028 case MONO_TYPE_VALUETYPE:
2029 if (!vtype_stack_slots)
2030 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2031 for (i = 0; i < nvtypes; ++i)
2032 if (t->data.klass == vtype_stack_slots [i].vtype)
2035 slot_info = &vtype_stack_slots [i];
2037 g_assert (nvtypes < 256);
2038 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2039 slot_info = &vtype_stack_slots [nvtypes];
2042 if (cfg->disable_reuse_ref_stack_slots)
2049 #if SIZEOF_VOID_P == 4
2054 if (cfg->disable_ref_noref_stack_slot_share) {
2055 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2060 case MONO_TYPE_CLASS:
2061 case MONO_TYPE_OBJECT:
2062 case MONO_TYPE_ARRAY:
2063 case MONO_TYPE_SZARRAY:
2064 case MONO_TYPE_STRING:
2065 /* Share non-float stack slots of the same size */
2066 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2067 if (cfg->disable_reuse_ref_stack_slots)
2072 slot_info = &scalar_stack_slots [t->type];
2077 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2078 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2080 /* expire old intervals in active */
2081 while (slot_info->active) {
2082 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2084 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2087 //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);
2089 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2090 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2094 * This also handles the case when the variable is used in an
2095 * exception region, as liveness info is not computed there.
2098 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2101 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2102 if (slot_info->slots) {
2103 slot = GPOINTER_TO_INT (slot_info->slots->data);
2105 slot_info->slots = slot_info->slots->next;
2108 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2113 static int count = 0;
2117 if (count == atoi (getenv ("COUNT")))
2118 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2119 if (count > atoi (getenv ("COUNT")))
2122 mono_print_ins (inst);
2130 if (slot == 0xffffff) {
2132 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2133 * efficient copying (and to work around the fact that OP_MEMCPY
2134 * and OP_MEMSET ignores alignment).
2136 if (MONO_TYPE_ISSTRUCT (t)) {
2137 align = MAX (align, sizeof (gpointer));
2138 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2140 * Align the size too so the code generated for passing vtypes in
2141 * registers doesn't overwrite random locals.
2143 size = (size + (align - 1)) & ~(align -1);
2148 offset += align - 1;
2149 offset &= ~(align - 1);
2153 offset += align - 1;
2154 offset &= ~(align - 1);
2159 *stack_align = MAX (*stack_align, align);
2162 offsets [vmv->idx] = slot;
2165 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2166 if (scalar_stack_slots [i].active)
2167 g_list_free (scalar_stack_slots [i].active);
2169 for (i = 0; i < nvtypes; ++i) {
2170 if (vtype_stack_slots [i].active)
2171 g_list_free (vtype_stack_slots [i].active);
2174 mono_jit_stats.locals_stack_size += offset;
2176 *stack_size = offset;
2183 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2185 g_assert_not_reached ();
2189 #endif /* DISABLE_JIT */
2192 mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align)
2194 return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align);
2197 #define EMUL_HIT_SHIFT 3
2198 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2199 /* small hit bitmap cache */
2200 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2201 static short emul_opcode_num = 0;
2202 static short emul_opcode_alloced = 0;
2203 static short *emul_opcode_opcodes = NULL;
2204 static MonoJitICallInfo **emul_opcode_map = NULL;
2207 mono_find_jit_opcode_emulation (int opcode)
2209 g_assert (opcode >= 0 && opcode <= OP_LAST);
2210 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2212 for (i = 0; i < emul_opcode_num; ++i) {
2213 if (emul_opcode_opcodes [i] == opcode)
2214 return emul_opcode_map [i];
2221 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
2223 MonoJitICallInfo *info;
2224 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2226 g_assert (!sig->hasthis);
2227 g_assert (sig->param_count < 3);
2229 info = mono_register_jit_icall (func, name, sig, no_throw);
2231 if (emul_opcode_num >= emul_opcode_alloced) {
2232 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2233 emul_opcode_alloced += incr;
2234 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2235 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2237 emul_opcode_map [emul_opcode_num] = info;
2238 emul_opcode_opcodes [emul_opcode_num] = opcode;
2240 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2244 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2246 MonoMethodSignature *sig;
2249 sig = mono_create_icall_signature (sigstr);
2253 mono_register_jit_icall (func, name, sig, save);
2257 print_dfn (MonoCompile *cfg) {
2264 char *method_name = mono_method_full_name (cfg->method, TRUE);
2265 g_print ("IR code for method %s\n", method_name);
2266 g_free (method_name);
2269 for (i = 0; i < cfg->num_bblocks; ++i) {
2270 bb = cfg->bblocks [i];
2271 /*if (bb->cil_code) {
2272 char* code1, *code2;
2273 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2274 if (bb->last_ins->cil_code)
2275 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2277 code2 = g_strdup ("");
2279 code1 [strlen (code1) - 1] = 0;
2280 code = g_strdup_printf ("%s -> %s", code1, code2);
2284 code = g_strdup ("\n");
2285 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2286 MONO_BB_FOR_EACH_INS (bb, c) {
2287 mono_print_ins_index (-1, c);
2290 g_print ("\tprev:");
2291 for (j = 0; j < bb->in_count; ++j) {
2292 g_print (" BB%d", bb->in_bb [j]->block_num);
2294 g_print ("\t\tsucc:");
2295 for (j = 0; j < bb->out_count; ++j) {
2296 g_print (" BB%d", bb->out_bb [j]->block_num);
2298 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2301 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2304 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2306 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2314 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2316 MONO_ADD_INS (bb, inst);
2320 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2324 bb->code = ins_to_insert;
2326 /* Link with next */
2327 ins_to_insert->next = ins;
2329 ins->prev = ins_to_insert;
2331 if (bb->last_ins == NULL)
2332 bb->last_ins = ins_to_insert;
2334 /* Link with next */
2335 ins_to_insert->next = ins->next;
2337 ins->next->prev = ins_to_insert;
2339 /* Link with previous */
2340 ins->next = ins_to_insert;
2341 ins_to_insert->prev = ins;
2343 if (bb->last_ins == ins)
2344 bb->last_ins = ins_to_insert;
2349 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2354 ins->prev = ins_to_insert;
2355 bb->code = ins_to_insert;
2356 ins_to_insert->next = ins;
2357 if (bb->last_ins == NULL)
2358 bb->last_ins = ins_to_insert;
2360 /* Link with previous */
2362 ins->prev->next = ins_to_insert;
2363 ins_to_insert->prev = ins->prev;
2365 /* Link with next */
2366 ins->prev = ins_to_insert;
2367 ins_to_insert->next = ins;
2369 if (bb->code == ins)
2370 bb->code = ins_to_insert;
2375 * mono_verify_bblock:
2377 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2380 mono_verify_bblock (MonoBasicBlock *bb)
2382 MonoInst *ins, *prev;
2385 for (ins = bb->code; ins; ins = ins->next) {
2386 g_assert (ins->prev == prev);
2390 g_assert (!bb->last_ins->next);
2396 * Perform consistency checks on the JIT data structures and the IR
2399 mono_verify_cfg (MonoCompile *cfg)
2403 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2404 mono_verify_bblock (bb);
2408 mono_destroy_compile (MonoCompile *cfg)
2413 mono_metadata_free_mh (cfg->header);
2414 //mono_mempool_stats (cfg->mempool);
2415 mono_free_loop_info (cfg);
2417 mono_regstate_free (cfg->rs);
2419 g_hash_table_destroy (cfg->spvars);
2421 g_hash_table_destroy (cfg->exvars);
2422 for (l = cfg->headers_to_free; l; l = l->next)
2423 mono_metadata_free_mh (l->data);
2424 g_list_free (cfg->ldstr_list);
2425 g_hash_table_destroy (cfg->token_info_hash);
2426 if (cfg->abs_patches)
2427 g_hash_table_destroy (cfg->abs_patches);
2428 mono_mempool_destroy (cfg->mempool);
2430 mono_debug_free_method (cfg);
2432 g_free (cfg->varinfo);
2434 g_free (cfg->exception_message);
2438 #ifdef MONO_HAVE_FAST_TLS
2439 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2440 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2442 * When this is defined, the current lmf is stored in this tls variable instead of in
2445 MONO_FAST_TLS_DECLARE(mono_lmf);
2450 mono_get_jit_tls_key (void)
2452 return mono_jit_tls_id;
2456 mono_get_jit_tls_offset (void)
2459 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2464 mono_get_lmf_tls_offset (void)
2466 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2468 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2476 mono_get_lmf_addr_tls_offset (void)
2479 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2486 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2487 return MONO_FAST_TLS_GET (mono_lmf);
2489 MonoJitTlsData *jit_tls;
2491 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2492 return jit_tls->lmf;
2494 * We do not assert here because this function can be called from
2495 * mini-gc.c on a thread that has not executed any managed code, yet
2496 * (the thread object allocation can trigger a collection).
2503 mono_get_lmf_addr (void)
2505 #ifdef MONO_HAVE_FAST_TLS
2506 return MONO_FAST_TLS_GET (mono_lmf_addr);
2508 MonoJitTlsData *jit_tls;
2510 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2511 return &jit_tls->lmf;
2514 * When resolving the call to mono_jit_thread_attach full-aot will look
2515 * in the plt, which causes a call into the generic trampoline, which in turn
2516 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2517 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2518 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2521 mono_jit_thread_attach (NULL);
2523 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2524 return &jit_tls->lmf;
2526 g_assert_not_reached ();
2532 mono_set_lmf (MonoLMF *lmf)
2534 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2535 MONO_FAST_TLS_SET (mono_lmf, lmf);
2538 (*mono_get_lmf_addr ()) = lmf;
2542 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2544 TlsSetValue (mono_jit_tls_id, jit_tls);
2546 #ifdef MONO_HAVE_FAST_TLS
2547 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2552 mono_set_lmf_addr (gpointer lmf_addr)
2554 #ifdef MONO_HAVE_FAST_TLS
2555 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2559 /* Called by native->managed wrappers */
2561 mono_jit_thread_attach (MonoDomain *domain)
2565 * Happens when called from AOTed code which is only used in the root
2568 domain = mono_get_root_domain ();
2570 #ifdef MONO_HAVE_FAST_TLS
2571 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2572 mono_thread_attach (domain);
2575 if (!TlsGetValue (mono_jit_tls_id))
2576 mono_thread_attach (domain);
2578 if (mono_domain_get () != domain)
2579 mono_domain_set (domain, TRUE);
2583 * mono_thread_abort:
2584 * @obj: exception object
2586 * abort the thread, print exception information and stack trace
2589 mono_thread_abort (MonoObject *obj)
2591 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2593 /* handle_remove should be eventually called for this thread, too
2596 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2597 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2598 mono_thread_exit ();
2600 exit (mono_environment_exitcode_get ());
2605 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2607 MonoJitTlsData *jit_tls;
2610 jit_tls = TlsGetValue (mono_jit_tls_id);
2614 jit_tls = g_new0 (MonoJitTlsData, 1);
2616 jit_tls->abort_func = abort_func;
2617 jit_tls->end_of_stack = stack_start;
2619 mono_set_jit_tls (jit_tls);
2621 lmf = g_new0 (MonoLMF, 1);
2622 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2624 jit_tls->first_lmf = lmf;
2626 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2627 /* jit_tls->lmf is unused */
2628 MONO_FAST_TLS_SET (mono_lmf, lmf);
2629 mono_set_lmf_addr (&mono_lmf);
2631 mono_set_lmf_addr (&jit_tls->lmf);
2636 mono_arch_setup_jit_tls_data (jit_tls);
2637 mono_setup_altstack (jit_tls);
2643 free_jit_tls_data (MonoJitTlsData *jit_tls)
2645 mono_arch_free_jit_tls_data (jit_tls);
2646 mono_free_altstack (jit_tls);
2648 g_free (jit_tls->first_lmf);
2653 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2655 MonoInternalThread *thread;
2656 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2657 thread = mono_thread_internal_current ();
2658 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2660 thread->jit_data = jit_tls;
2662 mono_arch_cpu_init ();
2665 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2668 mono_thread_abort_dummy (MonoObject *obj)
2670 if (mono_thread_attach_aborted_cb)
2671 mono_thread_attach_aborted_cb (obj);
2673 mono_thread_abort (obj);
2677 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2679 MonoInternalThread *thread;
2680 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2681 thread = mono_thread_internal_current ();
2682 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2684 thread->jit_data = jit_tls;
2685 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2686 mono_runtime_setup_stat_profiler ();
2688 mono_arch_cpu_init ();
2692 mini_thread_cleanup (MonoInternalThread *thread)
2694 MonoJitTlsData *jit_tls = thread->jit_data;
2697 mono_debugger_thread_cleanup (jit_tls);
2699 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2700 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2701 * not a trivial thing.
2703 * The current offender is mono_thread_manage which cleanup threads from the outside.
2705 if (thread == mono_thread_internal_current ()) {
2706 mono_set_lmf (NULL);
2707 mono_set_jit_tls (NULL);
2708 mono_set_lmf_addr (NULL);
2711 free_jit_tls_data (jit_tls);
2713 thread->jit_data = NULL;
2718 mono_create_tls_get (MonoCompile *cfg, int offset)
2720 #ifdef MONO_ARCH_HAVE_TLS_GET
2721 if (MONO_ARCH_HAVE_TLS_GET) {
2727 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2728 ins->dreg = mono_alloc_preg (cfg);
2729 ins->inst_offset = offset;
2737 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2739 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2743 mono_get_domain_intrinsic (MonoCompile* cfg)
2745 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2749 mono_get_thread_intrinsic (MonoCompile* cfg)
2751 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2755 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2757 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2761 ji->data.target = target;
2762 ji->next = cfg->patch_info;
2764 cfg->patch_info = ji;
2768 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2770 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2774 ji->data.target = target;
2781 mono_remove_patch_info (MonoCompile *cfg, int ip)
2783 MonoJumpInfo **ji = &cfg->patch_info;
2786 if ((*ji)->ip.i == ip)
2789 ji = &((*ji)->next);
2794 * mono_patch_info_dup_mp:
2796 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2799 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2801 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2802 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2804 switch (patch_info->type) {
2805 case MONO_PATCH_INFO_RVA:
2806 case MONO_PATCH_INFO_LDSTR:
2807 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2808 case MONO_PATCH_INFO_LDTOKEN:
2809 case MONO_PATCH_INFO_DECLSEC:
2810 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2811 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2813 case MONO_PATCH_INFO_SWITCH:
2814 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2815 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2816 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2817 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2819 case MONO_PATCH_INFO_RGCTX_FETCH:
2820 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2821 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2822 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2832 mono_patch_info_hash (gconstpointer data)
2834 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2837 case MONO_PATCH_INFO_RVA:
2838 case MONO_PATCH_INFO_LDSTR:
2839 case MONO_PATCH_INFO_LDTOKEN:
2840 case MONO_PATCH_INFO_DECLSEC:
2841 return (ji->type << 8) | ji->data.token->token;
2842 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2843 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
2844 case MONO_PATCH_INFO_INTERNAL_METHOD:
2845 return (ji->type << 8) | g_str_hash (ji->data.name);
2846 case MONO_PATCH_INFO_VTABLE:
2847 case MONO_PATCH_INFO_CLASS:
2848 case MONO_PATCH_INFO_IID:
2849 case MONO_PATCH_INFO_ADJUSTED_IID:
2850 case MONO_PATCH_INFO_CLASS_INIT:
2851 case MONO_PATCH_INFO_METHODCONST:
2852 case MONO_PATCH_INFO_METHOD:
2853 case MONO_PATCH_INFO_METHOD_JUMP:
2854 case MONO_PATCH_INFO_IMAGE:
2855 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2856 case MONO_PATCH_INFO_FIELD:
2857 case MONO_PATCH_INFO_SFLDA:
2858 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2859 return (ji->type << 8) | (gssize)ji->data.target;
2861 return (ji->type << 8);
2866 * mono_patch_info_equal:
2868 * This might fail to recognize equivalent patches, i.e. floats, so its only
2869 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2873 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2875 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2876 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2878 if (ji1->type != ji2->type)
2881 switch (ji1->type) {
2882 case MONO_PATCH_INFO_RVA:
2883 case MONO_PATCH_INFO_LDSTR:
2884 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2885 case MONO_PATCH_INFO_LDTOKEN:
2886 case MONO_PATCH_INFO_DECLSEC:
2887 if ((ji1->data.token->image != ji2->data.token->image) ||
2888 (ji1->data.token->token != ji2->data.token->token) ||
2889 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2890 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2891 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2894 case MONO_PATCH_INFO_INTERNAL_METHOD:
2895 return g_str_equal (ji1->data.name, ji2->data.name);
2897 case MONO_PATCH_INFO_RGCTX_FETCH: {
2898 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2899 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2901 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);
2904 if (ji1->data.target != ji2->data.target)
2913 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2915 unsigned char *ip = patch_info->ip.i + code;
2916 gconstpointer target = NULL;
2918 switch (patch_info->type) {
2919 case MONO_PATCH_INFO_BB:
2921 * FIXME: This could be hit for methods without a prolog. Should use -1
2922 * but too much code depends on a 0 initial value.
2924 //g_assert (patch_info->data.bb->native_offset);
2925 target = patch_info->data.bb->native_offset + code;
2927 case MONO_PATCH_INFO_ABS:
2928 target = patch_info->data.target;
2930 case MONO_PATCH_INFO_LABEL:
2931 target = patch_info->data.inst->inst_c0 + code;
2933 case MONO_PATCH_INFO_IP:
2934 #if defined(__native_client__) && defined(__native_client_codegen__)
2935 /* Need to transform to the destination address, it's */
2936 /* emitted as an immediate in the code. */
2937 target = nacl_inverse_modify_patch_target(ip);
2942 case MONO_PATCH_INFO_METHOD_REL:
2943 target = code + patch_info->data.offset;
2945 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2946 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2948 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2949 g_assert_not_reached ();
2951 target = mono_icall_get_wrapper (mi);
2954 case MONO_PATCH_INFO_METHOD_JUMP:
2955 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2956 #if defined(__native_client__) && defined(__native_client_codegen__)
2957 #if defined(TARGET_AMD64)
2958 /* This target is an absolute address, not relative to the */
2959 /* current code being emitted on AMD64. */
2960 target = nacl_inverse_modify_patch_target(target);
2964 case MONO_PATCH_INFO_METHOD:
2965 if (patch_info->data.method == method) {
2968 /* get the trampoline to the method from the domain */
2969 target = mono_create_jit_trampoline (patch_info->data.method);
2972 case MONO_PATCH_INFO_SWITCH: {
2973 gpointer *jump_table;
2976 #if defined(__native_client__) && defined(__native_client_codegen__)
2977 /* This memory will leak, but we don't care if we're */
2978 /* not deleting JIT'd methods anyway */
2979 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
2981 if (method && method->dynamic) {
2982 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2984 if (mono_aot_only) {
2985 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2987 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2992 for (i = 0; i < patch_info->data.table->table_size; i++) {
2993 #if defined(__native_client__) && defined(__native_client_codegen__)
2994 /* 'code' is relative to the current code blob, we */
2995 /* need to do this transform on it to make the */
2996 /* pointers in this table absolute */
2997 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2999 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3003 #if defined(__native_client__) && defined(__native_client_codegen__)
3004 /* jump_table is in the data section, we need to transform */
3005 /* it here so when it gets modified in amd64_patch it will */
3006 /* then point back to the absolute data address */
3007 target = nacl_inverse_modify_patch_target (jump_table);
3009 target = jump_table;
3013 case MONO_PATCH_INFO_METHODCONST:
3014 case MONO_PATCH_INFO_CLASS:
3015 case MONO_PATCH_INFO_IMAGE:
3016 case MONO_PATCH_INFO_FIELD:
3017 target = patch_info->data.target;
3019 case MONO_PATCH_INFO_IID:
3020 mono_class_init (patch_info->data.klass);
3021 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3023 case MONO_PATCH_INFO_ADJUSTED_IID:
3024 mono_class_init (patch_info->data.klass);
3025 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3027 case MONO_PATCH_INFO_VTABLE:
3028 target = mono_class_vtable (domain, patch_info->data.klass);
3031 case MONO_PATCH_INFO_CLASS_INIT: {
3032 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3035 target = mono_create_class_init_trampoline (vtable);
3038 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3039 target = mono_create_delegate_trampoline (patch_info->data.klass);
3041 case MONO_PATCH_INFO_SFLDA: {
3042 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3044 if (mono_class_field_is_special_static (patch_info->data.field)) {
3045 gpointer addr = NULL;
3047 mono_domain_lock (domain);
3048 if (domain->special_static_fields)
3049 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3050 mono_domain_unlock (domain);
3056 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3057 /* Done by the generated code */
3061 mono_runtime_class_init (vtable);
3063 target = (char*)vtable->data + patch_info->data.field->offset;
3066 case MONO_PATCH_INFO_RVA: {
3067 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3070 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3071 target = mono_image_rva_map (patch_info->data.token->image, rva);
3074 case MONO_PATCH_INFO_R4:
3075 case MONO_PATCH_INFO_R8:
3076 target = patch_info->data.target;
3078 case MONO_PATCH_INFO_EXC_NAME:
3079 target = patch_info->data.name;
3081 case MONO_PATCH_INFO_LDSTR:
3083 mono_ldstr (domain, patch_info->data.token->image,
3084 mono_metadata_token_index (patch_info->data.token->token));
3086 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3088 MonoClass *handle_class;
3090 handle = mono_ldtoken (patch_info->data.token->image,
3091 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3092 mono_class_init (handle_class);
3093 mono_class_init (mono_class_from_mono_type (handle));
3096 mono_type_get_object (domain, handle);
3099 case MONO_PATCH_INFO_LDTOKEN: {
3101 MonoClass *handle_class;
3103 handle = mono_ldtoken (patch_info->data.token->image,
3104 patch_info->data.token->token, &handle_class, NULL);
3105 mono_class_init (handle_class);
3110 case MONO_PATCH_INFO_DECLSEC:
3111 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3113 case MONO_PATCH_INFO_ICALL_ADDR:
3114 /* run_cctors == 0 -> AOT */
3115 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3117 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
3119 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));
3124 target = mono_lookup_internal_call (patch_info->data.method);
3126 if (!target && run_cctors)
3127 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3130 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3131 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3133 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3134 g_assert_not_reached ();
3139 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3140 target = mono_thread_interruption_request_flag ();
3142 case MONO_PATCH_INFO_METHOD_RGCTX: {
3143 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3146 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3149 case MONO_PATCH_INFO_BB_OVF:
3150 case MONO_PATCH_INFO_EXC_OVF:
3151 case MONO_PATCH_INFO_GOT_OFFSET:
3152 case MONO_PATCH_INFO_NONE:
3154 case MONO_PATCH_INFO_RGCTX_FETCH: {
3155 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3158 switch (entry->data->type) {
3159 case MONO_PATCH_INFO_CLASS:
3160 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));
3162 case MONO_PATCH_INFO_METHOD:
3163 case MONO_PATCH_INFO_METHODCONST:
3164 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));
3166 case MONO_PATCH_INFO_FIELD:
3167 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));
3170 g_assert_not_reached ();
3174 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3177 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3178 target = mono_create_generic_class_init_trampoline ();
3180 case MONO_PATCH_INFO_MONITOR_ENTER:
3181 target = mono_create_monitor_enter_trampoline ();
3183 case MONO_PATCH_INFO_MONITOR_EXIT:
3184 target = mono_create_monitor_exit_trampoline ();
3186 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3187 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3189 /* AOT, not needed */
3192 target = mono_arch_get_seq_point_info (domain, code);
3195 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3196 #ifdef MONO_ARCH_LLVM_SUPPORTED
3197 g_assert (mono_use_llvm);
3198 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3200 g_assert_not_reached ();
3203 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3204 int card_table_shift_bits;
3205 gpointer card_table_mask;
3207 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3210 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3211 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3215 g_assert_not_reached ();
3218 return (gpointer)target;
3222 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3224 ins->inst_offset = native_offset;
3225 g_ptr_array_add (cfg->seq_points, ins);
3226 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3227 bb->last_seq_point = ins;
3233 mono_compile_create_vars (MonoCompile *cfg)
3235 MonoMethodSignature *sig;
3236 MonoMethodHeader *header;
3239 header = cfg->header;
3241 sig = mono_method_signature (cfg->method);
3243 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3244 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3245 /* Inhibit optimizations */
3246 cfg->ret->flags |= MONO_INST_VOLATILE;
3248 if (cfg->verbose_level > 2)
3249 g_print ("creating vars\n");
3251 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3254 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3256 for (i = 0; i < sig->param_count; ++i) {
3257 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3260 if (cfg->verbose_level > 2) {
3262 printf ("\treturn : ");
3263 mono_print_ins (cfg->ret);
3267 printf ("\tthis: ");
3268 mono_print_ins (cfg->args [0]);
3271 for (i = 0; i < sig->param_count; ++i) {
3272 printf ("\targ [%d]: ", i);
3273 mono_print_ins (cfg->args [i + sig->hasthis]);
3277 cfg->locals_start = cfg->num_varinfo;
3278 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3280 if (cfg->verbose_level > 2)
3281 g_print ("creating locals\n");
3283 for (i = 0; i < header->num_locals; ++i)
3284 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3286 if (cfg->verbose_level > 2)
3287 g_print ("locals done\n");
3289 mono_arch_create_vars (cfg);
3292 #endif /* #ifndef DISABLE_JIT */
3295 mono_print_code (MonoCompile *cfg, const char* msg)
3299 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3300 mono_print_bb (bb, msg);
3306 mono_postprocess_patches (MonoCompile *cfg)
3308 MonoJumpInfo *patch_info;
3311 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3312 switch (patch_info->type) {
3313 case MONO_PATCH_INFO_ABS: {
3314 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3317 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3321 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3322 // FIXME: CLEAN UP THIS MESS.
3323 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
3324 strstr (cfg->method->name, info->name)) {
3326 * This is an icall wrapper, and this is a call to the
3329 if (cfg->compile_aot) {
3330 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
3331 patch_info->data.name = info->name;
3334 /* for these array methods we currently register the same function pointer
3335 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3336 * will return the incorrect one depending on the order they are registered.
3337 * See tests/test-arr.cs
3339 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3340 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3341 patch_info->data.name = info->name;
3346 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3347 if (cfg->abs_patches) {
3348 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3350 patch_info->type = abs_ji->type;
3351 patch_info->data.target = abs_ji->data.target;
3358 case MONO_PATCH_INFO_SWITCH: {
3360 #if defined(__native_client__) && defined(__native_client_codegen__)
3361 /* This memory will leak. */
3362 /* TODO: can we free this when */
3363 /* making the final jump table? */
3364 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3366 if (cfg->method->dynamic) {
3367 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3369 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3373 for (i = 0; i < patch_info->data.table->table_size; i++) {
3374 /* Might be NULL if the switch is eliminated */
3375 if (patch_info->data.table->table [i]) {
3376 g_assert (patch_info->data.table->table [i]->native_offset);
3377 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3382 patch_info->data.table->table = (MonoBasicBlock**)table;
3385 case MONO_PATCH_INFO_METHOD_JUMP: {
3386 MonoJumpList *jlist;
3387 MonoDomain *domain = cfg->domain;
3388 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3389 #if defined(__native_client__) && defined(__native_client_codegen__)
3390 /* When this jump target gets evaluated, the method */
3391 /* will be installed in the dynamic code section, */
3392 /* not at the location of cfg->native_code. */
3393 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3396 mono_domain_lock (domain);
3397 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3399 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3400 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3402 jlist->list = g_slist_prepend (jlist->list, ip);
3403 mono_domain_unlock (domain);
3414 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3417 MonoBasicBlock *in_bb;
3419 for (i = 0; i < bb->in_count; ++i) {
3420 in_bb = bb->in_bb [i];
3422 if (in_bb->last_seq_point) {
3423 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));
3425 /* Have to look at its predecessors */
3427 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3433 mono_save_seq_point_info (MonoCompile *cfg)
3436 GSList *bb_seq_points, *l;
3438 MonoDomain *domain = cfg->domain;
3440 MonoSeqPointInfo *info;
3443 if (!cfg->seq_points)
3446 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3447 info->len = cfg->seq_points->len;
3448 for (i = 0; i < cfg->seq_points->len; ++i) {
3449 SeqPoint *sp = &info->seq_points [i];
3450 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3452 sp->il_offset = ins->inst_imm;
3453 sp->native_offset = ins->inst_offset;
3456 ins->backend.size = i;
3460 * For each sequence point, compute the list of sequence points immediately
3461 * following it, this is needed to implement 'step over' in the debugger agent.
3463 next = g_new0 (GSList*, cfg->seq_points->len);
3464 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3465 bb_seq_points = g_slist_reverse (bb->seq_points);
3467 for (l = bb_seq_points; l; l = l->next) {
3468 MonoInst *ins = l->data;
3470 if (!(ins->flags & MONO_INST_SINGLE_STEP_LOC))
3474 /* Link with the previous seq point in the same bb */
3475 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3477 /* Link with the last bb in the previous bblocks */
3478 collect_pred_seq_points (bb, ins, next, 0);
3485 if (cfg->verbose_level > 2) {
3486 printf ("\nSEQ POINT MAP: \n");
3489 for (i = 0; i < cfg->seq_points->len; ++i) {
3490 SeqPoint *sp = &info->seq_points [i];
3494 sp->next_len = g_slist_length (next [i]);
3495 sp->next = g_new (int, sp->next_len);
3497 if (cfg->verbose_level > 2 && next [i]) {
3498 printf ("\t0x%x ->", sp->il_offset);
3499 for (l = next [i]; l; l = l->next) {
3500 next_index = GPOINTER_TO_UINT (l->data);
3501 printf (" 0x%x", info->seq_points [next_index].il_offset);
3505 for (l = next [i]; l; l = l->next) {
3506 next_index = GPOINTER_TO_UINT (l->data);
3507 sp->next [j ++] = next_index;
3509 g_slist_free (next [i]);
3513 cfg->seq_point_info = info;
3515 // FIXME: dynamic methods
3516 if (!cfg->compile_aot) {
3517 mono_domain_lock (domain);
3518 // FIXME: How can the lookup succeed ?
3519 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3520 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3521 mono_domain_unlock (domain);
3524 g_ptr_array_free (cfg->seq_points, TRUE);
3525 cfg->seq_points = NULL;
3529 mono_codegen (MonoCompile *cfg)
3532 int max_epilog_size;
3534 MonoDomain *code_domain;
3536 if (mono_using_xdebug)
3538 * Recent gdb versions have trouble processing symbol files containing
3539 * overlapping address ranges, so allocate all code from the code manager
3540 * of the root domain. (#666152).
3542 code_domain = mono_get_root_domain ();
3544 code_domain = cfg->domain;
3546 #if defined(__native_client_codegen__) && defined(__native_client__)
3549 /* This keeps patch targets from being transformed during
3550 * ordinary method compilation, for local branches and jumps.
3552 nacl_allow_target_modification (FALSE);
3555 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3556 cfg->spill_count = 0;
3557 /* we reuse dfn here */
3558 /* bb->dfn = bb_count++; */
3560 mono_arch_lowering_pass (cfg, bb);
3562 if (cfg->opt & MONO_OPT_PEEPHOLE)
3563 mono_arch_peephole_pass_1 (cfg, bb);
3566 mono_local_regalloc (cfg, bb);
3568 if (cfg->opt & MONO_OPT_PEEPHOLE)
3569 mono_arch_peephole_pass_2 (cfg, bb);
3572 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3573 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3575 code = mono_arch_emit_prolog (cfg);
3577 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3578 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3580 cfg->code_len = code - cfg->native_code;
3581 cfg->prolog_end = cfg->code_len;
3583 mono_debug_open_method (cfg);
3585 /* emit code all basic blocks */
3586 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3587 bb->native_offset = cfg->code_len;
3588 bb->real_native_offset = cfg->code_len;
3589 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3590 mono_arch_output_basic_block (cfg, bb);
3591 bb->native_length = cfg->code_len - bb->native_offset;
3593 if (bb == cfg->bb_exit) {
3594 cfg->epilog_begin = cfg->code_len;
3596 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3597 code = cfg->native_code + cfg->code_len;
3598 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3599 cfg->code_len = code - cfg->native_code;
3600 g_assert (cfg->code_len < cfg->code_size);
3603 mono_arch_emit_epilog (cfg);
3607 #ifdef __native_client_codegen__
3608 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3610 mono_arch_emit_exceptions (cfg);
3612 max_epilog_size = 0;
3614 code = cfg->native_code + cfg->code_len;
3616 /* we always allocate code in cfg->domain->code_mp to increase locality */
3617 cfg->code_size = cfg->code_len + max_epilog_size;
3618 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3620 if (cfg->method->dynamic) {
3621 guint unwindlen = 0;
3622 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3623 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3625 /* Allocate the code into a separate memory pool so it can be freed */
3626 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3627 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3628 mono_domain_lock (cfg->domain);
3629 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3630 mono_domain_unlock (cfg->domain);
3632 if (mono_using_xdebug)
3633 /* See the comment for cfg->code_domain */
3634 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3636 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3638 guint unwindlen = 0;
3639 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3640 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3642 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3644 #if defined(__native_client_codegen__) && defined(__native_client__)
3645 nacl_allow_target_modification (TRUE);
3648 memcpy (code, cfg->native_code, cfg->code_len);
3649 #if defined(__default_codegen__)
3650 g_free (cfg->native_code);
3651 #elif defined(__native_client_codegen__)
3652 if (cfg->native_code_alloc) {
3653 g_free (cfg->native_code_alloc);
3654 cfg->native_code_alloc = 0;
3656 else if (cfg->native_code) {
3657 g_free (cfg->native_code);
3659 #endif /* __native_client_codegen__ */
3660 cfg->native_code = code;
3661 code = cfg->native_code + cfg->code_len;
3663 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3664 mono_postprocess_patches (cfg);
3666 #ifdef VALGRIND_JIT_REGISTER_MAP
3667 if (valgrind_register){
3668 char* nm = mono_method_full_name (cfg->method, TRUE);
3669 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3674 if (cfg->verbose_level > 0) {
3675 char* nm = mono_method_full_name (cfg->method, TRUE);
3676 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3678 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3683 gboolean is_generic = FALSE;
3685 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3686 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3690 if (cfg->generic_sharing_context)
3691 g_assert (is_generic);
3694 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3695 mono_arch_save_unwind_info (cfg);
3698 #if defined(__native_client_codegen__) && defined(__native_client__)
3699 if (!cfg->compile_aot) {
3700 if (cfg->method->dynamic) {
3701 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
3703 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
3708 #if defined(__native_client_codegen__)
3709 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3712 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);
3714 if (cfg->method->dynamic) {
3715 if (mono_using_xdebug)
3716 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3718 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3720 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3722 #if defined(__native_client_codegen__) && defined(__native_client__)
3723 cfg->native_code = code_dest;
3725 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3727 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3729 mono_debug_close_method (cfg);
3731 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3732 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3737 compute_reachable (MonoBasicBlock *bb)
3741 if (!(bb->flags & BB_VISITED)) {
3742 bb->flags |= BB_VISITED;
3743 for (i = 0; i < bb->out_count; ++i)
3744 compute_reachable (bb->out_bb [i]);
3749 mono_handle_out_of_line_bblock (MonoCompile *cfg)
3752 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3753 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
3755 MONO_INST_NEW (cfg, ins, OP_BR);
3756 MONO_ADD_INS (bb, ins);
3757 ins->inst_target_bb = bb->next_bb;
3763 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3766 MonoMethodHeader *header;
3769 int generic_info_size;
3770 int holes_size = 0, num_holes = 0;
3772 g_assert (method_to_compile == cfg->method);
3773 header = cfg->header;
3775 if (cfg->generic_sharing_context)
3776 generic_info_size = sizeof (MonoGenericJitInfo);
3778 generic_info_size = 0;
3780 if (cfg->try_block_holes) {
3781 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3782 TryBlockHole *hole = tmp->data;
3783 MonoExceptionClause *ec = hole->clause;
3784 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
3785 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3786 g_assert (clause_last_bb);
3788 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3789 if (clause_last_bb->native_offset != hole_end)
3793 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
3794 if (G_UNLIKELY (cfg->verbose_level >= 4))
3795 printf ("Number of try block holes %d\n", num_holes);
3798 if (COMPILE_LLVM (cfg))
3799 num_clauses = cfg->llvm_ex_info_len;
3801 num_clauses = header->num_clauses;
3803 if (cfg->method->dynamic) {
3804 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
3805 generic_info_size + holes_size);
3807 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3808 (num_clauses * sizeof (MonoJitExceptionInfo)) +
3809 generic_info_size + holes_size);
3812 jinfo->method = cfg->method_to_register;
3813 jinfo->code_start = cfg->native_code;
3814 jinfo->code_size = cfg->code_len;
3815 jinfo->used_regs = cfg->used_int_regs;
3816 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3817 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3818 jinfo->num_clauses = num_clauses;
3819 if (COMPILE_LLVM (cfg))
3820 jinfo->from_llvm = TRUE;
3822 if (cfg->generic_sharing_context) {
3824 MonoGenericJitInfo *gi;
3826 jinfo->has_generic_jit_info = 1;
3828 gi = mono_jit_info_get_generic_jit_info (jinfo);
3831 gi->generic_sharing_context = cfg->generic_sharing_context;
3833 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3834 mini_method_get_context (method_to_compile)->method_inst ||
3835 method_to_compile->klass->valuetype) {
3836 g_assert (cfg->rgctx_var);
3841 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3842 mini_method_get_context (method_to_compile)->method_inst ||
3843 method_to_compile->klass->valuetype) {
3844 inst = cfg->rgctx_var;
3845 if (!COMPILE_LLVM (cfg))
3846 g_assert (inst->opcode == OP_REGOFFSET);
3848 inst = cfg->args [0];
3851 if (COMPILE_LLVM (cfg)) {
3852 g_assert (cfg->llvm_this_reg != -1);
3853 gi->this_in_reg = 0;
3854 gi->this_reg = cfg->llvm_this_reg;
3855 gi->this_offset = cfg->llvm_this_offset;
3856 } else if (inst->opcode == OP_REGVAR) {
3857 gi->this_in_reg = 1;
3858 gi->this_reg = inst->dreg;
3860 g_assert (inst->opcode == OP_REGOFFSET);
3862 g_assert (inst->inst_basereg == X86_EBP);
3863 #elif defined(TARGET_AMD64)
3864 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3866 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3868 gi->this_in_reg = 0;
3869 gi->this_reg = inst->inst_basereg;
3870 gi->this_offset = inst->inst_offset;
3875 MonoTryBlockHoleTableJitInfo *table;
3878 jinfo->has_try_block_holes = 1;
3879 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
3880 table->num_holes = (guint16)num_holes;
3882 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3883 guint32 start_bb_offset;
3884 MonoTryBlockHoleJitInfo *hole;
3885 TryBlockHole *hole_data = tmp->data;
3886 MonoExceptionClause *ec = hole_data->clause;
3887 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
3888 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3889 g_assert (clause_last_bb);
3891 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3892 if (clause_last_bb->native_offset == hole_end)
3895 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
3896 hole = &table->holes [i++];
3897 hole->clause = hole_data->clause - &header->clauses [0];
3898 hole->offset = (guint32)hole_data->start_offset;
3899 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
3901 if (G_UNLIKELY (cfg->verbose_level >= 4))
3902 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
3904 g_assert (i == num_holes);
3907 if (COMPILE_LLVM (cfg)) {
3909 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
3910 } else if (header->num_clauses) {
3913 for (i = 0; i < header->num_clauses; i++) {
3914 MonoExceptionClause *ec = &header->clauses [i];
3915 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3916 MonoBasicBlock *tblock;
3919 ei->flags = ec->flags;
3921 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3922 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3924 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3925 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3927 ei->data.filter = cfg->native_code + tblock->native_offset;
3929 ei->data.catch_class = ec->data.catch_class;
3932 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3934 g_assert (tblock->native_offset);
3935 ei->try_start = cfg->native_code + tblock->native_offset;
3936 if (tblock->extend_try_block) {
3938 * Extend the try block backwards to include parts of the previous call
3941 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
3943 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3945 if (!tblock->native_offset) {
3947 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
3948 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
3949 if (bb && bb->native_offset) {
3955 ei->try_end = cfg->native_code + tblock->native_offset;
3956 g_assert (tblock->native_offset);
3957 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3959 ei->handler_start = cfg->native_code + tblock->native_offset;
3961 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3962 TryBlockHole *hole = tmp->data;
3963 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
3964 if (hole->clause == ec && hole_end == ei->try_end) {
3965 if (G_UNLIKELY (cfg->verbose_level >= 4))
3966 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
3968 ei->try_end = cfg->native_code + hole->start_offset;
3973 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
3975 if (ec->handler_offset + ec->handler_len < header->code_size) {
3976 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
3978 end_offset = tblock->native_offset;
3980 end_offset = cfg->epilog_begin;
3982 ei->data.handler_end = cfg->native_code + end_offset;
3987 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
3989 for (i = 0; i < jinfo->num_clauses; i++) {
3990 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3991 int start = (guint8*)ei->try_start - cfg->native_code;
3992 int end = (guint8*)ei->try_end - cfg->native_code;
3993 int handler = (guint8*)ei->handler_start - cfg->native_code;
3995 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
4000 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4001 * using it during runtime, hence the define.
4003 #ifdef MONO_ARCH_HAVE_XP_UNWIND
4004 if (cfg->encoded_unwind_ops) {
4005 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4006 g_free (cfg->encoded_unwind_ops);
4007 } else if (cfg->unwind_ops) {
4009 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4011 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4012 g_free (unwind_info);
4021 * mini_get_shared_method:
4023 * Return the method which is actually compiled/registered when doing generic sharing.
4026 mini_get_shared_method (MonoMethod *method)
4028 MonoGenericContext shared_context;
4029 MonoMethod *declaring_method, *res;
4031 gboolean partial = FALSE;
4033 if (method->is_generic || method->klass->generic_container)
4034 declaring_method = method;
4036 declaring_method = mono_method_get_declaring_generic_method (method);
4038 if (declaring_method->is_generic)
4039 shared_context = mono_method_get_generic_container (declaring_method)->context;
4041 shared_context = declaring_method->klass->generic_container->context;
4043 /* Handle partial sharing */
4044 if (method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE)) {
4045 MonoGenericContext *context = mono_method_get_context (method);
4046 MonoGenericInst *inst;
4047 MonoType **type_argv;
4050 * Create the shared context by replacing the ref type arguments with
4051 * type parameters, and keeping the rest.
4054 inst = context->class_inst;
4056 type_argv = g_new0 (MonoType*, inst->type_argc);
4057 for (i = 0; i < inst->type_argc; ++i) {
4058 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)
4059 type_argv [i] = shared_context.class_inst->type_argv [i];
4061 type_argv [i] = inst->type_argv [i];
4064 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4068 inst = context->method_inst;
4070 type_argv = g_new0 (MonoType*, inst->type_argc);
4071 for (i = 0; i < inst->type_argc; ++i) {
4072 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)
4073 type_argv [i] = shared_context.method_inst->type_argv [i];
4075 type_argv [i] = inst->type_argv [i];
4078 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4083 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4085 /* The result should be an inflated method whose parent is not inflated */
4086 g_assert (!res->klass->is_inflated);
4093 * mini_method_compile:
4094 * @method: the method to compile
4095 * @opts: the optimization flags to use
4096 * @domain: the domain where the method will be compiled in
4097 * @run_cctors: whether we should run type ctors if possible
4098 * @compile_aot: whether this is an AOT compilation
4099 * @parts: debug flag
4101 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4102 * field in the returned struct to see if compilation succeded.
4105 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4107 MonoMethodHeader *header;
4108 MonoMethodSignature *sig;
4112 int dfn, i, code_size_ratio;
4113 gboolean deadce_has_run = FALSE;
4114 gboolean try_generic_shared, try_llvm = FALSE;
4115 MonoMethod *method_to_compile, *method_to_register;
4117 mono_jit_stats.methods_compiled++;
4118 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4119 mono_profiler_method_jit (method);
4120 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
4121 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4125 * We might get passed the original generic method definition or
4126 * instances with type parameters.
4127 * FIXME: Remove the method->klass->generic_class limitation.
4129 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4130 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl (method, TRUE)));
4132 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4133 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
4135 if (opts & MONO_OPT_GSHARED) {
4136 if (try_generic_shared)
4137 mono_stats.generics_sharable_methods++;
4138 else if (mono_method_is_generic_impl (method))
4139 mono_stats.generics_unsharable_methods++;
4143 try_llvm = mono_use_llvm;
4147 if (try_generic_shared) {
4148 method_to_compile = mini_get_shared_method (method);
4149 g_assert (method_to_compile);
4151 method_to_compile = method;
4154 cfg = g_new0 (MonoCompile, 1);
4155 cfg->method = method_to_compile;
4156 cfg->header = mono_method_get_header (cfg->method);
4157 cfg->mempool = mono_mempool_new ();
4159 cfg->prof_options = mono_profiler_get_events ();
4160 cfg->run_cctors = run_cctors;
4161 cfg->domain = domain;
4162 cfg->verbose_level = mini_verbose;
4163 cfg->compile_aot = compile_aot;
4164 cfg->skip_visibility = method->skip_visibility;
4165 cfg->orig_method = method;
4166 cfg->gen_seq_points = debug_options.gen_seq_points;
4167 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4168 if (try_generic_shared)
4169 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
4170 cfg->compile_llvm = try_llvm;
4171 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4173 if (cfg->gen_seq_points)
4174 cfg->seq_points = g_ptr_array_new ();
4176 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
4177 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4181 if (cfg->generic_sharing_context) {
4182 method_to_register = method_to_compile;
4184 g_assert (method == method_to_compile);
4185 method_to_register = method;
4187 cfg->method_to_register = method_to_register;
4189 mono_error_init (&err);
4190 sig = mono_method_signature_checked (cfg->method, &err);
4192 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4193 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4194 mono_error_cleanup (&err);
4195 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4196 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4200 header = cfg->header;
4202 MonoLoaderError *error;
4204 if ((error = mono_loader_get_last_error ())) {
4205 cfg->exception_type = error->exception_type;
4207 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4208 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4210 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4211 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4217 static gboolean inited;
4224 * Check for methods which cannot be compiled by LLVM early, to avoid
4225 * the extra compilation pass.
4227 if (COMPILE_LLVM (cfg)) {
4228 mono_llvm_check_method_supported (cfg);
4229 if (cfg->disable_llvm) {
4230 if (cfg->verbose_level >= 1) {
4231 //nm = mono_method_full_name (cfg->method, TRUE);
4232 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4235 mono_destroy_compile (cfg);
4237 goto restart_compile;
4243 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4244 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4245 cfg->disable_reuse_registers = TRUE;
4246 cfg->disable_reuse_stack_slots = TRUE;
4248 * This decreases the change the debugger will read registers/stack slots which are
4249 * not yet initialized.
4251 cfg->disable_initlocals_opt = TRUE;
4253 cfg->extend_live_ranges = TRUE;
4255 /* Temporarily disable this when running in the debugger until we have support
4256 * for this in the debugger. */
4257 cfg->disable_omit_fp = TRUE;
4259 /* The debugger needs all locals to be on the stack or in a global register */
4260 cfg->disable_vreg_to_lvreg = TRUE;
4262 /* Don't remove unused variables when running inside the debugger since the user
4263 * may still want to view them. */
4264 cfg->disable_deadce_vars = TRUE;
4266 // cfg->opt |= MONO_OPT_SHARED;
4267 cfg->opt &= ~MONO_OPT_DEADCE;
4268 cfg->opt &= ~MONO_OPT_INLINE;
4269 cfg->opt &= ~MONO_OPT_COPYPROP;
4270 cfg->opt &= ~MONO_OPT_CONSPROP;
4271 cfg->opt &= ~MONO_OPT_GSHARED;
4273 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4274 cfg->disable_out_of_line_bblocks = TRUE;
4277 if (mono_using_xdebug) {
4279 * Make each variable use its own register/stack slot and extend
4280 * their liveness to cover the whole method, making them displayable
4281 * in gdb even after they are dead.
4283 cfg->disable_reuse_registers = TRUE;
4284 cfg->disable_reuse_stack_slots = TRUE;
4285 cfg->extend_live_ranges = TRUE;
4286 cfg->compute_precise_live_ranges = TRUE;
4289 mini_gc_init_cfg (cfg);
4291 if (COMPILE_LLVM (cfg)) {
4292 cfg->opt |= MONO_OPT_ABCREM;
4295 if (getenv ("MONO_VERBOSE_METHOD")) {
4296 char *name = getenv ("MONO_VERBOSE_METHOD");
4298 if ((strchr (name, '.') > name) || strchr (name, ':')) {
4299 MonoMethodDesc *desc;
4301 desc = mono_method_desc_new (name, TRUE);
4302 if (mono_method_desc_full_match (desc, cfg->method)) {
4303 cfg->verbose_level = 4;
4305 mono_method_desc_free (desc);
4307 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
4308 cfg->verbose_level = 4;
4312 ip = (guint8 *)header->code;
4314 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
4316 if (cfg->verbose_level > 0) {
4318 if (COMPILE_LLVM (cfg))
4319 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
4320 else if (cfg->generic_sharing_context)
4321 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4323 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
4324 g_free (method_name);
4327 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
4328 cfg->opt |= MONO_OPT_SSA;
4331 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")))
4332 cfg->globalra = TRUE;
4335 //cfg->globalra = TRUE;
4337 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
4338 // cfg->globalra = TRUE;
4341 static int count = 0;
4345 if (getenv ("COUNT2")) {
4346 cfg->globalra = TRUE;
4347 if (count == atoi (getenv ("COUNT2")))
4348 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
4349 if (count > atoi (getenv ("COUNT2")))
4350 cfg->globalra = FALSE;
4355 if (header->clauses)
4356 cfg->globalra = FALSE;
4358 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4359 /* The code in the prolog clobbers caller saved registers */
4360 cfg->globalra = FALSE;
4362 // FIXME: Disable globalra in case of tracing/profiling
4364 if (cfg->method->save_lmf)
4365 /* The LMF saving code might clobber caller saved registers */
4366 cfg->globalra = FALSE;
4368 if (header->code_size > 5000)
4370 /* Too large bblocks could overflow the ins positions */
4371 cfg->globalra = FALSE;
4373 cfg->rs = mono_regstate_new ();
4375 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4376 cfg->next_vreg = cfg->rs->next_vreg;
4378 /* FIXME: Fix SSA to handle branches inside bblocks */
4379 if (cfg->opt & MONO_OPT_SSA)
4380 cfg->enable_extended_bblocks = FALSE;
4383 * FIXME: This confuses liveness analysis because variables which are assigned after
4384 * a branch inside a bblock become part of the kill set, even though the assignment
4385 * might not get executed. This causes the optimize_initlocals pass to delete some
4386 * assignments which are needed.
4387 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4390 //cfg->enable_extended_bblocks = TRUE;
4392 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4393 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
4394 if (mini_get_debug_options ()->break_on_unverified)
4400 * create MonoInst* which represents arguments and local variables
4402 mono_compile_create_vars (cfg);
4404 /* SSAPRE is not supported on linear IR */
4405 cfg->opt &= ~MONO_OPT_SSAPRE;
4407 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4410 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4412 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4413 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4416 mono_destroy_compile (cfg);
4417 try_generic_shared = FALSE;
4418 goto restart_compile;
4420 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4422 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4423 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4424 /* cfg contains the details of the failure, so let the caller cleanup */
4428 mono_jit_stats.basic_blocks += cfg->num_bblocks;
4429 mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks);
4431 if (COMPILE_LLVM (cfg)) {
4434 /* The IR has to be in SSA form for LLVM */
4435 cfg->opt |= MONO_OPT_SSA;
4439 // Allow SSA on the result value
4440 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4442 // Add an explicit return instruction referencing the return value
4443 MONO_INST_NEW (cfg, ins, OP_SETRET);
4444 ins->sreg1 = cfg->ret->dreg;
4446 MONO_ADD_INS (cfg->bb_exit, ins);
4449 cfg->opt &= ~MONO_OPT_LINEARS;
4452 cfg->opt &= ~MONO_OPT_BRANCH;
4455 /* todo: remove code when we have verified that the liveness for try/catch blocks
4459 * Currently, this can't be commented out since exception blocks are not
4460 * processed during liveness analysis.
4461 * It is also needed, because otherwise the local optimization passes would
4462 * delete assignments in cases like this:
4464 * <something which throws>
4466 * This also allows SSA to be run on methods containing exception clauses, since
4467 * SSA will ignore variables marked VOLATILE.
4469 mono_liveness_handle_exception_clauses (cfg);
4471 mono_handle_out_of_line_bblock (cfg);
4473 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4475 if (!COMPILE_LLVM (cfg))
4476 mono_decompose_long_opts (cfg);
4478 /* Should be done before branch opts */
4479 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4480 mono_local_cprop (cfg);
4482 if (cfg->opt & MONO_OPT_BRANCH)
4483 mono_optimize_branches (cfg);
4485 /* This must be done _before_ global reg alloc and _after_ decompose */
4486 mono_handle_global_vregs (cfg);
4487 if (cfg->opt & MONO_OPT_DEADCE)
4488 mono_local_deadce (cfg);
4489 /* Disable this for LLVM to make the IR easier to handle */
4490 if (!COMPILE_LLVM (cfg))
4491 mono_if_conversion (cfg);
4493 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4494 mono_remove_critical_edges (cfg);
4496 /* Depth-first ordering on basic blocks */
4497 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4499 cfg->max_block_num = cfg->num_bblocks;
4502 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4503 if (cfg->num_bblocks != dfn + 1) {
4506 cfg->num_bblocks = dfn + 1;
4508 /* remove unreachable code, because the code in them may be
4509 * inconsistent (access to dead variables for example) */
4510 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4511 bb->flags &= ~BB_VISITED;
4512 compute_reachable (cfg->bb_entry);
4513 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4514 if (bb->flags & BB_EXCEPTION_HANDLER)
4515 compute_reachable (bb);
4516 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4517 if (!(bb->flags & BB_VISITED)) {
4518 if (cfg->verbose_level > 1)
4519 g_print ("found unreachable code in BB%d\n", bb->block_num);
4520 bb->code = bb->last_ins = NULL;
4521 while (bb->out_count)
4522 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
4525 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4526 bb->flags &= ~BB_VISITED;
4529 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
4531 * we disable some optimizations if there are too many variables
4532 * because JIT time may become too expensive. The actual number needs
4533 * to be tweaked and eventually the non-linear algorithms should be fixed.
4535 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
4536 cfg->disable_ssa = TRUE;
4539 if (cfg->opt & MONO_OPT_LOOP) {
4540 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
4541 mono_compute_natural_loops (cfg);
4544 /* after method_to_ir */
4546 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4547 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4552 if (header->num_clauses)
4553 cfg->disable_ssa = TRUE;
4556 //#define DEBUGSSA "logic_run"
4557 #define DEBUGSSA_CLASS "Tests"
4560 if (!cfg->disable_ssa) {
4561 mono_local_cprop (cfg);
4564 mono_ssa_compute (cfg);
4568 if (cfg->opt & MONO_OPT_SSA) {
4569 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
4571 mono_ssa_compute (cfg);
4574 if (cfg->verbose_level >= 2) {
4581 /* after SSA translation */
4583 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4584 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4588 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
4589 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4591 mono_ssa_cprop (cfg);
4597 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4598 //mono_ssa_strength_reduction (cfg);
4600 if (cfg->opt & MONO_OPT_SSAPRE) {
4601 mono_perform_ssapre (cfg);
4602 //mono_local_cprop (cfg);
4605 if (cfg->opt & MONO_OPT_DEADCE) {
4606 mono_ssa_deadce (cfg);
4607 deadce_has_run = TRUE;
4610 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4611 mono_perform_abc_removal (cfg);
4613 mono_ssa_remove (cfg);
4614 mono_local_cprop (cfg);
4615 mono_handle_global_vregs (cfg);
4616 if (cfg->opt & MONO_OPT_DEADCE)
4617 mono_local_deadce (cfg);
4619 if (cfg->opt & MONO_OPT_BRANCH) {
4622 mono_optimize_branches (cfg);
4624 /* Have to recompute cfg->bblocks and bb->dfn */
4625 if (cfg->globalra) {
4626 mono_remove_critical_edges (cfg);
4628 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4631 /* Depth-first ordering on basic blocks */
4632 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4635 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4636 cfg->num_bblocks = dfn + 1;
4642 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
4643 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
4644 if (cfg->opt & MONO_OPT_ABCREM)
4645 mono_perform_abc_removal (cfg);
4648 /* after SSA removal */
4650 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4651 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4655 #ifdef MONO_ARCH_SOFT_FLOAT
4656 if (!COMPILE_LLVM (cfg))
4657 mono_decompose_soft_float (cfg);
4659 if (!COMPILE_LLVM (cfg))
4660 mono_decompose_vtype_opts (cfg);
4661 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4662 mono_decompose_array_access_opts (cfg);
4665 #ifndef MONO_ARCH_GOT_REG
4670 g_assert (cfg->got_var_allocated);
4673 * Allways allocate the GOT var to a register, because keeping it
4674 * in memory will increase the number of live temporaries in some
4675 * code created by inssel.brg, leading to the well known spills+
4676 * branches problem. Testcase: mcs crash in
4677 * System.MonoCustomAttrs:GetCustomAttributes.
4679 #ifdef MONO_ARCH_GOT_REG
4680 got_reg = MONO_ARCH_GOT_REG;
4682 regs = mono_arch_get_global_int_regs (cfg);
4684 got_reg = GPOINTER_TO_INT (regs->data);
4687 cfg->got_var->opcode = OP_REGVAR;
4688 cfg->got_var->dreg = got_reg;
4689 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
4693 * Have to call this again to process variables added since the first call.
4695 mono_liveness_handle_exception_clauses (cfg);
4697 if (cfg->globalra) {
4700 /* Have to do this before regalloc since it can create vregs */
4701 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4702 mono_arch_lowering_pass (cfg, bb);
4704 mono_global_regalloc (cfg);
4707 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
4708 GList *vars, *regs, *l;
4710 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
4711 cfg->comp_done &= ~MONO_COMP_LIVENESS;
4712 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
4713 mono_analyze_liveness (cfg);
4715 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
4716 regs = mono_arch_get_global_int_regs (cfg);
4717 /* Remove the reg reserved for holding the GOT address */
4719 for (l = regs; l; l = l->next) {
4720 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
4721 regs = g_list_delete_link (regs, l);
4726 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
4730 //mono_print_code (cfg, "");
4734 /* variables are allocated after decompose, since decompose could create temps */
4735 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4736 mono_arch_allocate_vars (cfg);
4737 if (cfg->exception_type)
4743 gboolean need_local_opts;
4745 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4746 mono_spill_global_vars (cfg, &need_local_opts);
4748 if (need_local_opts || cfg->compile_aot) {
4749 /* To optimize code created by spill_global_vars */
4750 mono_local_cprop (cfg);
4751 if (cfg->opt & MONO_OPT_DEADCE)
4752 mono_local_deadce (cfg);
4756 /* Add branches between non-consecutive bblocks */
4757 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4758 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
4759 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
4760 /* we are careful when inverting, since bugs like #59580
4761 * could show up when dealing with NaNs.
4763 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
4764 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
4765 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
4766 bb->last_ins->inst_false_bb = tmp;
4768 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
4770 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
4771 inst->opcode = OP_BR;
4772 inst->inst_target_bb = bb->last_ins->inst_false_bb;
4773 mono_bblock_add_inst (bb, inst);
4778 if (cfg->verbose_level >= 4 && !cfg->globalra) {
4779 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4780 MonoInst *tree = bb->code;
4781 g_print ("DUMP BLOCK %d:\n", bb->block_num);
4784 for (; tree; tree = tree->next) {
4785 mono_print_ins_index (-1, tree);
4791 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4792 bb->max_vreg = cfg->next_vreg;
4796 if (COMPILE_LLVM (cfg)) {
4800 /* The IR has to be in SSA form for LLVM */
4801 if (!(cfg->comp_done & MONO_COMP_SSA)) {
4802 cfg->exception_message = g_strdup ("SSA disabled.");
4803 cfg->disable_llvm = TRUE;
4806 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4807 mono_decompose_array_access_opts (cfg);
4809 if (!cfg->disable_llvm)
4810 mono_llvm_emit_method (cfg);
4811 if (cfg->disable_llvm) {
4812 if (cfg->verbose_level >= 1) {
4813 //nm = mono_method_full_name (cfg->method, TRUE);
4814 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4817 mono_destroy_compile (cfg);
4819 goto restart_compile;
4822 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
4823 nm = mono_method_full_name (cfg->method, TRUE);
4824 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
4826 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4834 if (COMPILE_LLVM (cfg))
4835 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
4837 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
4839 cfg->jit_info = create_jit_info (cfg, method_to_compile);
4841 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
4842 if (cfg->extend_live_ranges) {
4843 /* Extend live ranges to cover the whole method */
4844 for (i = 0; i < cfg->num_varinfo; ++i)
4845 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
4849 if (!cfg->compile_aot)
4850 mono_save_xdebug_info (cfg);
4852 mini_gc_create_gc_map (cfg);
4854 mono_save_seq_point_info (cfg);
4856 if (cfg->verbose_level >= 2) {
4857 char *id = mono_method_full_name (cfg->method, FALSE);
4858 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
4862 if (!cfg->compile_aot) {
4863 mono_domain_lock (cfg->domain);
4864 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
4866 if (cfg->method->dynamic)
4867 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
4868 mono_domain_unlock (cfg->domain);
4871 /* collect statistics */
4872 mono_perfcounters->jit_methods++;
4873 mono_perfcounters->jit_bytes += header->code_size;
4874 mono_jit_stats.allocated_code_size += cfg->code_len;
4875 code_size_ratio = cfg->code_len;
4876 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
4877 mono_jit_stats.biggest_method_size = code_size_ratio;
4878 g_free (mono_jit_stats.biggest_method);
4879 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4881 code_size_ratio = (code_size_ratio * 100) / header->code_size;
4882 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
4883 mono_jit_stats.max_code_size_ratio = code_size_ratio;
4884 g_free (mono_jit_stats.max_ratio_method);
4885 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4887 mono_jit_stats.native_code_size += cfg->code_len;
4889 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4890 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4898 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4900 g_assert_not_reached ();
4904 #endif /* DISABLE_JIT */
4907 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
4909 static gboolean inited = FALSE;
4910 static int lookups = 0;
4911 static int failed_lookups = 0;
4914 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
4915 if (ji && !ji->has_generic_jit_info)
4919 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
4920 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
4932 * LOCKING: Assumes domain->jit_code_hash_lock is held.
4935 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
4937 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
4942 if (!mono_method_is_generic_sharable_impl (method, FALSE))
4944 return mono_domain_lookup_shared_generic (domain, method);
4948 lookup_method (MonoDomain *domain, MonoMethod *method)
4952 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
4953 mono_domain_jit_code_hash_lock (domain);
4954 info = lookup_method_inner (domain, method);
4955 mono_domain_jit_code_hash_unlock (domain);
4956 mono_loader_unlock ();
4962 static FILE* perf_map_file = NULL;
4965 mono_enable_jit_map (void)
4967 if (!perf_map_file) {
4969 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
4971 perf_map_file = fopen (name, "w");
4976 mono_emit_jit_tramp (void *start, int size, const char *desc)
4979 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
4983 mono_emit_jit_map (MonoJitInfo *jinfo)
4985 if (perf_map_file) {
4986 char *name = mono_method_full_name (jinfo->method, TRUE);
4987 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
4993 mono_jit_map_is_enabled (void)
4995 return perf_map_file != NULL;
5001 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5004 gpointer code = NULL;
5005 MonoJitInfo *jinfo, *info;
5007 MonoException *ex = NULL;
5008 guint32 prof_options;
5010 MonoMethod *prof_method;
5012 #ifdef MONO_USE_AOT_COMPILER
5013 if (opt & MONO_OPT_AOT) {
5014 MonoDomain *domain = mono_domain_get ();
5016 mono_class_init (method->klass);
5018 if ((code = mono_aot_get_method (domain, method))) {
5019 vtable = mono_class_vtable (domain, method->klass);
5021 mono_runtime_class_init (vtable);
5028 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5029 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5031 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5033 if (!piinfo->addr) {
5034 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5035 piinfo->addr = mono_lookup_internal_call (method);
5036 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5038 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);
5040 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);
5043 mono_lookup_pinvoke_call (method, NULL, NULL);
5045 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5046 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5047 jinfo = mono_jit_info_table_find (target_domain, code);
5049 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5051 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5054 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
5055 //mono_debug_add_wrapper (method, nm);
5056 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5057 const char *name = method->name;
5058 char *full_name, *msg;
5061 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5062 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5063 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5066 * We need to make sure this wrapper
5067 * is compiled because it might end up
5068 * in an (M)RGCTX if generic sharing
5069 * is enabled, and would be called
5070 * indirectly. If it were a
5071 * trampoline we'd try to patch that
5072 * indirect call, which is not
5075 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5076 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5077 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5078 return mono_create_delegate_trampoline (method->klass);
5080 nm = mono_marshal_get_delegate_invoke (method, NULL);
5081 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5083 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5084 nm = mono_marshal_get_delegate_begin_invoke (method);
5085 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5086 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5087 nm = mono_marshal_get_delegate_end_invoke (method);
5088 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5092 full_name = mono_method_full_name (method, TRUE);
5093 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5094 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5100 if (mono_aot_only) {
5101 char *fullname = mono_method_full_name (method, TRUE);
5102 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
5104 *jit_ex = mono_get_exception_execution_engine (msg);
5111 jit_timer = g_timer_new ();
5113 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5114 prof_method = cfg->method;
5116 g_timer_stop (jit_timer);
5117 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5118 g_timer_destroy (jit_timer);
5120 switch (cfg->exception_type) {
5121 case MONO_EXCEPTION_NONE:
5123 case MONO_EXCEPTION_TYPE_LOAD:
5124 case MONO_EXCEPTION_MISSING_FIELD:
5125 case MONO_EXCEPTION_MISSING_METHOD:
5126 case MONO_EXCEPTION_FILE_NOT_FOUND:
5127 case MONO_EXCEPTION_BAD_IMAGE: {
5128 /* Throw a type load exception if needed */
5129 MonoLoaderError *error = mono_loader_get_last_error ();
5132 ex = mono_loader_error_prepare_exception (error);
5134 if (cfg->exception_ptr) {
5135 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5137 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5138 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5139 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5140 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5141 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5142 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5143 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5144 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5145 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5146 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5148 g_assert_not_reached ();
5153 case MONO_EXCEPTION_INVALID_PROGRAM:
5154 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5156 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5157 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5159 case MONO_EXCEPTION_METHOD_ACCESS:
5160 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5162 case MONO_EXCEPTION_FIELD_ACCESS:
5163 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5165 /* this can only be set if the security manager is active */
5166 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5167 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5168 MonoObject *exc = NULL;
5171 args [0] = &cfg->exception_data;
5173 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5175 ex = (MonoException*)exc;
5178 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5179 MonoException *exp = cfg->exception_ptr;
5180 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5185 case MONO_EXCEPTION_OUT_OF_MEMORY:
5186 ex = mono_domain_get ()->out_of_memory_ex;
5189 g_assert_not_reached ();
5193 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5194 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5196 mono_destroy_compile (cfg);
5202 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5203 mono_domain_lock (target_domain);
5205 /* Check if some other thread already did the job. In this case, we can
5206 discard the code this thread generated. */
5208 mono_domain_jit_code_hash_lock (target_domain);
5210 info = lookup_method_inner (target_domain, method);
5212 /* We can't use a domain specific method in another domain */
5213 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5214 code = info->code_start;
5215 // printf("Discarding code for method %s\n", method->name);
5220 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
5221 mono_domain_jit_code_hash_unlock (target_domain);
5222 code = cfg->native_code;
5224 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
5225 mono_stats.generics_shared_methods++;
5227 mono_domain_jit_code_hash_unlock (target_domain);
5230 jinfo = cfg->jit_info;
5232 prof_options = cfg->prof_options;
5234 mono_destroy_compile (cfg);
5237 if (domain_jit_info (target_domain)->jump_target_hash) {
5238 MonoJumpInfo patch_info;
5239 MonoJumpList *jlist;
5241 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
5243 patch_info.next = NULL;
5244 patch_info.ip.i = 0;
5245 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
5246 patch_info.data.method = method;
5247 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
5249 for (tmp = jlist->list; tmp; tmp = tmp->next)
5250 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
5254 mono_emit_jit_map (jinfo);
5256 mono_domain_unlock (target_domain);
5257 mono_loader_unlock ();
5259 vtable = mono_class_vtable (target_domain, method->klass);
5261 ex = mono_class_get_exception_for_failure (method->klass);
5267 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
5268 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
5269 if (mono_marshal_method_from_wrapper (method)) {
5270 /* Native func wrappers have no method */
5271 /* The profiler doesn't know about wrappers, so pass the original icall method */
5272 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
5275 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5276 if (prof_method != method) {
5277 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
5281 ex = mono_runtime_class_init_full (vtable, FALSE);
5290 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
5292 MonoDomain *target_domain, *domain = mono_domain_get ();
5295 MonoJitICallInfo *callinfo = NULL;
5298 * ICALL wrappers are handled specially, since there is only one copy of them
5299 * shared by all appdomains.
5301 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
5302 const char *icall_name;
5304 icall_name = method->name + strlen ("__icall_wrapper_");
5305 g_assert (icall_name);
5306 callinfo = mono_find_jit_icall_by_name (icall_name);
5307 g_assert (callinfo);
5309 /* Must be domain neutral since there is only one copy */
5310 opt |= MONO_OPT_SHARED;
5313 if (opt & MONO_OPT_SHARED)
5314 target_domain = mono_get_root_domain ();
5316 target_domain = domain;
5318 info = lookup_method (target_domain, method);
5320 /* We can't use a domain specific method in another domain */
5321 if (! ((domain != target_domain) && !info->domain_neutral)) {
5323 MonoException *tmpEx;
5325 mono_jit_stats.methods_lookups++;
5326 vtable = mono_class_vtable (domain, method->klass);
5328 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
5333 return mono_create_ftnptr (target_domain, info->code_start);
5337 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
5341 p = mono_create_ftnptr (target_domain, code);
5345 if (!callinfo->wrapper) {
5346 callinfo->wrapper = p;
5347 mono_register_jit_icall_wrapper (callinfo, p);
5348 mono_debug_add_icall_wrapper (method, callinfo);
5357 mono_jit_compile_method (MonoMethod *method)
5359 MonoException *ex = NULL;
5362 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
5365 mono_raise_exception (ex);
5371 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5373 invalidated_delegate_trampoline (char *desc)
5375 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
5376 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
5382 * mono_jit_free_method:
5384 * Free all memory allocated by the JIT for METHOD.
5387 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
5389 MonoJitDynamicMethodInfo *ji;
5390 gboolean destroy = TRUE;
5391 GHashTableIter iter;
5392 MonoJumpList *jlist;
5394 g_assert (method->dynamic);
5396 mono_domain_lock (domain);
5397 ji = mono_dynamic_code_hash_lookup (domain, method);
5398 mono_domain_unlock (domain);
5403 mono_domain_lock (domain);
5404 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
5405 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
5406 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
5407 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
5409 /* Remove jump targets in this method */
5410 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
5411 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
5412 GSList *tmp, *remove;
5415 for (tmp = jlist->list; tmp; tmp = tmp->next) {
5416 guint8 *ip = tmp->data;
5418 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
5419 remove = g_slist_prepend (remove, tmp);
5421 for (tmp = remove; tmp; tmp = tmp->next) {
5422 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
5424 g_slist_free (remove);
5427 mono_domain_unlock (domain);
5429 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5430 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
5432 * Instead of freeing the code, change it to call an error routine
5433 * so people can fix their code.
5435 char *type = mono_type_full_name (&method->klass->byval_arg);
5436 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
5439 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
5445 * This needs to be done before freeing code_mp, since the code address is the
5446 * key in the table, so if we free the code_mp first, another thread can grab the
5447 * same code address and replace our entry in the table.
5449 mono_jit_info_table_remove (domain, ji->ji);
5452 mono_code_manager_destroy (ji->code_mp);
5457 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
5459 MonoDomain *target_domain;
5462 if (default_opt & MONO_OPT_SHARED)
5463 target_domain = mono_get_root_domain ();
5465 target_domain = domain;
5467 info = lookup_method (target_domain, method);
5469 /* We can't use a domain specific method in another domain */
5470 if (! ((domain != target_domain) && !info->domain_neutral)) {
5471 mono_jit_stats.methods_lookups++;
5474 return info->code_start;
5484 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
5486 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
5491 gpointer compiled_method;
5492 gpointer runtime_invoke;
5494 MonoDynCallInfo *dyn_call_info;
5495 MonoClass *ret_box_class;
5496 } RuntimeInvokeInfo;
5499 * mono_jit_runtime_invoke:
5500 * @method: the method to invoke
5501 * @obj: this pointer
5502 * @params: array of parameter values.
5503 * @exc: used to catch exceptions objects
5506 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
5509 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
5510 MonoDomain *domain = mono_domain_get ();
5511 MonoJitDomainInfo *domain_info;
5512 RuntimeInvokeInfo *info, *info2;
5514 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
5515 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
5519 domain_info = domain_jit_info (domain);
5521 mono_domain_lock (domain);
5522 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5523 mono_domain_unlock (domain);
5526 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
5528 * This might be redundant since mono_class_vtable () already does this,
5529 * but keep it just in case for moonlight.
5531 mono_class_setup_vtable (method->klass);
5532 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
5534 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
5536 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
5541 info = g_new0 (RuntimeInvokeInfo, 1);
5543 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5544 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
5545 g_assert (info->vtable);
5547 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5548 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5550 * Array Get/Set/Address methods. The JIT implements them using inline code
5551 * inside the runtime invoke wrappers, so no need to compile them.
5553 info->compiled_method = NULL;
5555 MonoException *jit_ex = NULL;
5557 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
5558 if (!info->compiled_method) {
5562 *exc = (MonoObject*)jit_ex;
5565 mono_raise_exception (jit_ex);
5569 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
5570 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
5574 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
5575 * in full-aot mode, so we use a slower, but more generic wrapper if
5576 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
5578 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5579 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
5580 MonoMethodSignature *sig = mono_method_signature (method);
5581 gboolean supported = TRUE;
5584 if (method->string_ctor)
5585 sig = mono_marshal_get_string_ctor_signature (method);
5587 for (i = 0; i < sig->param_count; ++i) {
5588 MonoType *t = sig->params [i];
5590 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
5594 if (method->klass->contextbound || !info->compiled_method)
5598 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
5600 if (info->dyn_call_info) {
5601 switch (sig->ret->type) {
5602 case MONO_TYPE_VOID:
5614 case MONO_TYPE_BOOLEAN:
5615 case MONO_TYPE_CHAR:
5618 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5621 info->ret_box_class = mono_defaults.int_class;
5623 case MONO_TYPE_STRING:
5624 case MONO_TYPE_CLASS:
5625 case MONO_TYPE_ARRAY:
5626 case MONO_TYPE_SZARRAY:
5627 case MONO_TYPE_OBJECT:
5629 case MONO_TYPE_GENERICINST:
5630 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
5631 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5633 case MONO_TYPE_VALUETYPE:
5634 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5637 g_assert_not_reached ();
5644 if (!info->dyn_call_info)
5645 info->runtime_invoke = mono_jit_compile_method (invoke);
5647 mono_domain_lock (domain);
5648 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5653 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
5655 mono_domain_unlock (domain);
5658 runtime_invoke = info->runtime_invoke;
5661 * We need this here because mono_marshal_get_runtime_invoke can place
5662 * the helper method in System.Object and not the target class.
5665 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
5669 mono_runtime_class_init (info->vtable);
5672 /* The wrappers expect this to be initialized to NULL */
5676 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5677 if (info->dyn_call_info) {
5678 MonoMethodSignature *sig = mono_method_signature (method);
5680 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
5683 guint8 retval [128];
5685 if (!dyn_runtime_invoke) {
5686 invoke = mono_marshal_get_runtime_invoke_dynamic ();
5687 dyn_runtime_invoke = mono_jit_compile_method (invoke);
5690 /* Convert the arguments to the format expected by start_dyn_call () */
5691 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
5694 args [pindex ++] = &obj;
5695 for (i = 0; i < sig->param_count; ++i) {
5696 MonoType *t = sig->params [i];
5699 args [pindex ++] = ¶ms [i];
5700 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
5701 args [pindex ++] = ¶ms [i];
5703 args [pindex ++] = params [i];
5707 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
5709 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
5711 dyn_runtime_invoke (buf, exc, info->compiled_method);
5713 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
5715 if (info->ret_box_class)
5716 return mono_value_box (domain, info->ret_box_class, retval);
5718 return *(MonoObject**)retval;
5722 return runtime_invoke (obj, params, exc, info->compiled_method);
5726 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
5728 MonoException *exc = NULL;
5730 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
5735 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5737 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
5738 if (mono_arch_is_int_overflow (ctx, info))
5740 * The spec says this throws ArithmeticException, but MS throws the derived
5741 * OverflowException.
5743 exc = mono_get_exception_overflow ();
5745 exc = mono_get_exception_divide_by_zero ();
5747 exc = mono_get_exception_divide_by_zero ();
5751 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5754 mono_handle_native_sigsegv (SIGSEGV, ctx);
5757 mono_arch_handle_exception (ctx, exc, FALSE);
5761 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
5766 exc = mono_get_exception_execution_engine ("SIGILL");
5768 mono_arch_handle_exception (ctx, exc, FALSE);
5771 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
5772 #define HAVE_SIG_INFO
5776 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
5779 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
5780 gpointer fault_addr = NULL;
5784 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
5785 if (mono_arch_is_single_step_event (info, ctx)) {
5786 mono_debugger_agent_single_step_event (ctx);
5788 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
5789 mono_debugger_agent_breakpoint_hit (ctx);
5794 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
5795 fault_addr = info->si_addr;
5796 if (mono_aot_is_pagefault (info->si_addr)) {
5797 mono_aot_handle_pagefault (info->si_addr);
5802 /* The thread might no be registered with the runtime */
5803 if (!mono_domain_get () || !jit_tls) {
5804 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5806 mono_handle_native_sigsegv (SIGSEGV, ctx);
5809 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5811 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
5812 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
5815 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
5816 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
5817 fault_addr = info->si_addr;
5818 if (fault_addr == NULL) {
5821 mono_arch_sigctx_to_monoctx (ctx, &mctx);
5823 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
5827 if (jit_tls->stack_size &&
5828 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
5830 * The hard-guard page has been hit: there is not much we can do anymore
5831 * Print a hopefully clear message and abort.
5833 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
5834 g_assert_not_reached ();
5836 /* The original handler might not like that it is executed on an altstack... */
5837 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
5840 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
5845 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5848 mono_handle_native_sigsegv (SIGSEGV, ctx);
5851 mono_arch_handle_exception (ctx, NULL, FALSE);
5856 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
5861 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
5863 mono_arch_handle_exception (ctx, exc, FALSE);
5866 /* mono_jit_create_remoting_trampoline:
5867 * @method: pointer to the method info
5869 * Creates a trampoline which calls the remoting functions. This
5870 * is used in the vtable of transparent proxies.
5872 * Returns: a pointer to the newly created code
5875 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
5878 guint8 *addr = NULL;
5880 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
5881 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
5885 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
5886 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
5887 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
5888 addr = mono_compile_method (nm);
5890 addr = mono_compile_method (method);
5892 return mono_get_addr_from_ftnptr (addr);
5895 static gpointer *vtable_trampolines;
5896 static int vtable_trampolines_size;
5899 mini_get_vtable_trampoline (int slot_index)
5901 int index = slot_index + MONO_IMT_SIZE;
5903 g_assert (slot_index >= - MONO_IMT_SIZE);
5904 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
5906 if (!vtable_trampolines || index >= vtable_trampolines_size) {
5910 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
5911 while (new_size <= index)
5913 new_table = g_new0 (gpointer, new_size);
5915 if (vtable_trampolines)
5916 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
5917 g_free (vtable_trampolines);
5918 mono_memory_barrier ();
5919 vtable_trampolines = new_table;
5920 vtable_trampolines_size = new_size;
5925 if (!vtable_trampolines [index])
5926 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
5927 return vtable_trampolines [index];
5931 mini_get_imt_trampoline (int slot_index)
5933 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
5937 mini_parse_debug_options (void)
5939 char *options = getenv ("MONO_DEBUG");
5940 gchar **args, **ptr;
5945 args = g_strsplit (options, ",", -1);
5947 for (ptr = args; ptr && *ptr; ptr++) {
5948 const char *arg = *ptr;
5950 if (!strcmp (arg, "handle-sigint"))
5951 debug_options.handle_sigint = TRUE;
5952 else if (!strcmp (arg, "keep-delegates"))
5953 debug_options.keep_delegates = TRUE;
5954 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
5955 debug_options.reverse_pinvoke_exceptions = TRUE;
5956 else if (!strcmp (arg, "collect-pagefault-stats"))
5957 debug_options.collect_pagefault_stats = TRUE;
5958 else if (!strcmp (arg, "break-on-unverified"))
5959 debug_options.break_on_unverified = TRUE;
5960 else if (!strcmp (arg, "no-gdb-backtrace"))
5961 debug_options.no_gdb_backtrace = TRUE;
5962 else if (!strcmp (arg, "suspend-on-sigsegv"))
5963 debug_options.suspend_on_sigsegv = TRUE;
5964 else if (!strcmp (arg, "suspend-on-unhandled"))
5965 debug_options.suspend_on_unhandled = TRUE;
5966 else if (!strcmp (arg, "dont-free-domains"))
5967 mono_dont_free_domains = TRUE;
5968 else if (!strcmp (arg, "dyn-runtime-invoke"))
5969 debug_options.dyn_runtime_invoke = TRUE;
5970 else if (!strcmp (arg, "gdb"))
5971 debug_options.gdb = TRUE;
5972 else if (!strcmp (arg, "explicit-null-checks"))
5973 debug_options.explicit_null_checks = TRUE;
5974 else if (!strcmp (arg, "gen-seq-points"))
5975 debug_options.gen_seq_points = TRUE;
5976 else if (!strcmp (arg, "init-stacks"))
5977 debug_options.init_stacks = TRUE;
5978 else if (!strcmp (arg, "casts"))
5979 debug_options.better_cast_details = TRUE;
5981 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
5982 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");
5991 mini_get_debug_options (void)
5993 return &debug_options;
5997 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6002 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6008 #elif defined(__ppc64__) || defined(__powerpc64__)
6011 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6024 mini_get_addr_from_ftnptr (gpointer descr)
6026 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6027 return *(gpointer*)descr;
6034 register_jit_stats (void)
6036 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
6037 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
6038 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6039 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6040 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6043 static void runtime_invoke_info_free (gpointer value);
6046 mini_create_jit_domain_info (MonoDomain *domain)
6048 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
6050 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6051 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6052 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6053 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6054 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6055 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
6056 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
6057 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
6058 info->jump_target_hash = g_hash_table_new (NULL, NULL);
6060 domain->runtime_info = info;
6064 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
6066 MonoJumpList *jlist = value;
6067 g_slist_free (jlist->list);
6071 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
6073 MonoJitDynamicMethodInfo *di = value;
6074 mono_code_manager_destroy (di->code_mp);
6079 runtime_invoke_info_free (gpointer value)
6081 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
6083 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6084 if (info->dyn_call_info)
6085 mono_arch_dyn_call_free (info->dyn_call_info);
6091 mini_free_jit_domain_info (MonoDomain *domain)
6093 MonoJitDomainInfo *info = domain_jit_info (domain);
6095 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6096 g_hash_table_destroy (info->jump_target_hash);
6097 if (info->jump_target_got_slot_hash) {
6098 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6099 g_hash_table_destroy (info->jump_target_got_slot_hash);
6101 if (info->dynamic_code_hash) {
6102 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6103 g_hash_table_destroy (info->dynamic_code_hash);
6105 if (info->method_code_hash)
6106 g_hash_table_destroy (info->method_code_hash);
6107 g_hash_table_destroy (info->class_init_trampoline_hash);
6108 g_hash_table_destroy (info->jump_trampoline_hash);
6109 g_hash_table_destroy (info->jit_trampoline_hash);
6110 g_hash_table_destroy (info->delegate_trampoline_hash);
6111 if (info->static_rgctx_trampoline_hash)
6112 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6113 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6114 g_hash_table_destroy (info->runtime_invoke_hash);
6115 g_hash_table_destroy (info->seq_points);
6116 g_hash_table_destroy (info->arch_seq_points);
6118 if (info->agent_info)
6119 mono_debugger_agent_free_domain_info (domain);
6121 g_free (domain->runtime_info);
6122 domain->runtime_info = NULL;
6126 mini_init (const char *filename, const char *runtime_version)
6129 MonoRuntimeCallbacks callbacks;
6131 MONO_PROBE_VES_INIT_BEGIN ();
6133 #if defined(__linux__) && !defined(__native_client__)
6134 if (access ("/proc/self/maps", F_OK) != 0) {
6135 g_print ("Mono requires /proc to be mounted.\n");
6140 /* Happens when using the embedding interface */
6141 if (!default_opt_set)
6142 default_opt = mono_parse_default_optimizations (NULL);
6144 InitializeCriticalSection (&jit_mutex);
6146 #ifdef MONO_DEBUGGER_SUPPORTED
6147 if (mini_debug_running_inside_mdb ())
6148 mini_debugger_init ();
6151 #ifdef MONO_HAVE_FAST_TLS
6152 MONO_FAST_TLS_INIT (mono_jit_tls);
6153 MONO_FAST_TLS_INIT (mono_lmf_addr);
6154 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
6155 MONO_FAST_TLS_INIT (mono_lmf);
6159 #ifdef MONO_ARCH_HAVE_TLS_GET
6160 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
6162 mono_runtime_set_has_tls_get (FALSE);
6165 if (!global_codeman)
6166 global_codeman = mono_code_manager_new ();
6167 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
6169 memset (&callbacks, 0, sizeof (callbacks));
6170 callbacks.create_ftnptr = mini_create_ftnptr;
6171 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
6172 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
6173 callbacks.set_cast_details = mono_set_cast_details;
6175 #ifdef MONO_ARCH_HAVE_IMT
6177 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
6178 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
6182 mono_install_callbacks (&callbacks);
6184 if (getenv ("MONO_DEBUG") != NULL)
6185 mini_parse_debug_options ();
6187 mono_arch_cpu_init ();
6191 mono_unwind_init ();
6193 if (getenv ("MONO_XDEBUG")) {
6194 char *xdebug_opts = getenv ("MONO_XDEBUG");
6195 mono_xdebug_init (xdebug_opts);
6196 /* So methods for multiple domains don't have the same address */
6197 mono_dont_free_domains = TRUE;
6198 mono_using_xdebug = TRUE;
6199 } else if (mini_get_debug_options ()->gdb) {
6200 mono_xdebug_init ((char*)"gdb");
6201 mono_dont_free_domains = TRUE;
6202 mono_using_xdebug = TRUE;
6206 if (mono_use_llvm) {
6207 if (!mono_llvm_load (NULL)) {
6208 mono_use_llvm = FALSE;
6209 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
6216 mono_trampolines_init ();
6218 if (!g_thread_supported ())
6219 g_thread_init (NULL);
6221 mono_jit_tls_id = TlsAlloc ();
6222 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
6224 if (default_opt & MONO_OPT_AOT)
6227 mono_debugger_agent_init ();
6229 #ifdef MONO_ARCH_GSHARED_SUPPORTED
6230 mono_set_generic_sharing_supported (TRUE);
6233 #ifndef MONO_CROSS_COMPILE
6234 mono_runtime_install_handlers ();
6236 mono_threads_install_cleanup (mini_thread_cleanup);
6238 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
6239 // This is experimental code so provide an env var to switch it off
6240 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
6241 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
6243 check_for_pending_exc = FALSE;
6244 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
6248 #define JIT_TRAMPOLINES_WORK
6249 #ifdef JIT_TRAMPOLINES_WORK
6250 mono_install_compile_method (mono_jit_compile_method);
6251 mono_install_free_method (mono_jit_free_method);
6252 mono_install_trampoline (mono_create_jit_trampoline);
6253 mono_install_jump_trampoline (mono_create_jump_trampoline);
6254 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
6255 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
6256 mono_install_create_domain_hook (mini_create_jit_domain_info);
6257 mono_install_free_domain_hook (mini_free_jit_domain_info);
6259 #define JIT_INVOKE_WORKS
6260 #ifdef JIT_INVOKE_WORKS
6261 mono_install_runtime_invoke (mono_jit_runtime_invoke);
6263 mono_install_stack_walk (mono_jit_walk_stack);
6264 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
6265 mono_install_get_class_from_name (mono_aot_get_class_from_name);
6266 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
6268 if (debug_options.collect_pagefault_stats) {
6269 mono_aot_set_make_unreadable (TRUE);
6272 if (runtime_version)
6273 domain = mono_init_version (filename, runtime_version);
6275 domain = mono_init_from_assembly (filename, filename);
6277 if (mono_aot_only) {
6278 /* This helps catch code allocation requests */
6279 mono_code_manager_set_read_only (domain->code_mp);
6282 #ifdef MONO_ARCH_HAVE_IMT
6285 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
6287 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
6291 /* This must come after mono_init () in the aot-only case */
6292 mono_exceptions_init ();
6293 mono_install_handler (mono_get_throw_exception ());
6297 /* This should come after mono_init () too */
6300 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
6301 ves_icall_get_frame_info);
6302 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
6303 ves_icall_get_trace);
6304 mono_add_internal_call ("System.Exception::get_trace",
6305 ves_icall_System_Exception_get_trace);
6306 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
6307 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
6308 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
6309 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
6310 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
6311 mono_runtime_install_handlers);
6313 mono_create_helper_signatures ();
6315 register_jit_stats ();
6317 #define JIT_CALLS_WORK
6318 #ifdef JIT_CALLS_WORK
6319 /* Needs to be called here since register_jit_icall depends on it */
6320 mono_marshal_init ();
6322 mono_arch_register_lowlevel_calls ();
6323 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
6324 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
6325 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
6326 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
6327 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
6328 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
6329 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
6331 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
6332 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
6333 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
6335 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
6336 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
6337 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
6338 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
6339 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
6341 #if defined(__native_client__) || defined(__native_client_codegen__)
6342 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
6345 * NOTE, NOTE, NOTE, NOTE:
6346 * when adding emulation for some opcodes, remember to also add a dummy
6347 * rule to the burg files, because we need the arity information to be correct.
6349 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
6350 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
6351 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
6352 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
6353 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
6354 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
6355 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
6356 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
6359 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
6360 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
6361 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
6362 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
6365 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
6366 mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE);
6367 mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6368 mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE);
6369 mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6370 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
6371 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6372 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
6373 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6376 #ifdef MONO_ARCH_EMULATE_MUL_DIV
6377 mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE);
6378 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
6381 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
6382 mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6383 mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6384 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6385 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6388 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
6389 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
6392 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
6393 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
6394 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
6395 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
6397 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
6398 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
6400 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
6401 mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6402 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6404 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
6405 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
6407 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
6408 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
6410 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
6411 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
6413 #ifdef MONO_ARCH_EMULATE_FREM
6414 #if defined(__default_codegen__)
6415 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
6416 #elif defined(__native_client_codegen__)
6417 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, FALSE);
6421 #ifdef MONO_ARCH_SOFT_FLOAT
6422 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
6423 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
6424 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
6425 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
6426 mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE);
6427 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
6428 mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE);
6429 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
6430 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
6431 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
6432 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
6433 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
6434 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
6435 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
6436 #if SIZEOF_VOID_P == 4
6437 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
6440 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
6441 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
6442 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
6443 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
6444 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
6445 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
6446 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
6447 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
6448 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
6449 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
6451 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
6452 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
6453 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
6454 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
6455 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
6457 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
6458 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
6459 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
6460 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
6463 #ifdef COMPRESSED_INTERFACE_BITMAP
6464 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
6467 #if SIZEOF_REGISTER == 4
6468 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
6471 /* other jit icalls */
6472 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
6473 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
6474 "ptr ptr ptr", FALSE);
6475 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
6476 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
6477 "ptr ptr ptr ptr", FALSE);
6478 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
6479 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
6480 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
6481 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
6482 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
6483 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
6484 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
6485 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
6486 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
6487 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
6488 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
6489 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
6490 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
6491 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
6492 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
6493 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
6494 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
6495 register_icall (mono_break, "mono_break", NULL, TRUE);
6496 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
6497 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
6498 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
6499 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
6500 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
6501 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
6502 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
6503 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
6505 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
6507 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
6508 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
6512 mono_generic_sharing_init ();
6514 #ifdef MONO_ARCH_SIMD_INTRINSICS
6515 mono_simd_intrinsics_init ();
6518 #if MONO_SUPPORT_TASKLETS
6519 mono_tasklets_init ();
6522 if (mono_compile_aot)
6524 * Avoid running managed code when AOT compiling, since the platform
6525 * might only support aot-only execution.
6527 mono_runtime_set_no_exec (TRUE);
6529 #define JIT_RUNTIME_WORKS
6530 #ifdef JIT_RUNTIME_WORKS
6531 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
6532 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
6533 mono_thread_attach (domain);
6536 mono_profiler_runtime_initialized ();
6538 MONO_PROBE_VES_INIT_END ();
6543 MonoJitStats mono_jit_stats = {0};
6546 print_jit_stats (void)
6548 if (mono_jit_stats.enabled) {
6549 g_print ("Mono Jit statistics\n");
6550 g_print ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups);
6551 g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks);
6552 g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks);
6553 g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var);
6554 g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size);
6555 g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size);
6556 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
6557 mono_jit_stats.max_ratio_method);
6558 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
6559 mono_jit_stats.biggest_method);
6560 g_print ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs);
6561 g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size);
6562 g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods);
6563 g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods);
6564 g_print ("Regvars: %ld\n", mono_jit_stats.regvars);
6565 g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size);
6567 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
6568 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
6569 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
6570 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
6571 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
6572 g_print ("Methods: %ld\n", mono_stats.method_count);
6573 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
6574 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
6575 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
6577 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
6578 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
6579 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
6581 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
6582 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
6583 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
6585 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
6586 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
6587 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
6589 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
6590 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
6591 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
6592 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
6593 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
6594 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
6595 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
6596 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
6598 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
6599 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
6600 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
6602 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
6603 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
6604 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
6605 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
6606 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
6607 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
6608 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
6609 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
6610 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
6611 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
6612 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
6613 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
6616 g_free (mono_jit_stats.max_ratio_method);
6617 mono_jit_stats.max_ratio_method = NULL;
6618 g_free (mono_jit_stats.biggest_method);
6619 mono_jit_stats.biggest_method = NULL;
6624 mini_cleanup (MonoDomain *domain)
6626 mono_runtime_shutdown_stat_profiler ();
6629 cominterop_release_all_rcws ();
6632 #ifndef MONO_CROSS_COMPILE
6633 mono_runtime_shutdown ();
6635 * mono_runtime_cleanup() and mono_domain_finalize () need to
6636 * be called early since they need the execution engine still
6637 * fully working (mono_domain_finalize may invoke managed finalizers
6638 * and mono_runtime_cleanup will wait for other threads to finish).
6640 mono_domain_finalize (domain, 2000);
6643 /* This accesses metadata so needs to be called before runtime shutdown */
6646 mono_profiler_shutdown ();
6648 #ifndef MONO_CROSS_COMPILE
6649 mono_runtime_cleanup (domain);
6652 free_jit_tls_data (TlsGetValue (mono_jit_tls_id));
6654 mono_icall_cleanup ();
6656 mono_runtime_cleanup_handlers ();
6658 mono_domain_free (domain, TRUE);
6660 mono_debugger_cleanup ();
6664 mono_llvm_cleanup ();
6667 mono_aot_cleanup ();
6669 mono_trampolines_cleanup ();
6671 mono_unwind_cleanup ();
6673 if (!mono_dont_free_global_codeman)
6674 mono_code_manager_destroy (global_codeman);
6675 g_hash_table_destroy (jit_icall_name_hash);
6676 g_free (emul_opcode_map);
6677 g_free (emul_opcode_opcodes);
6678 g_free (vtable_trampolines);
6680 mono_arch_cleanup ();
6682 mono_generic_sharing_cleanup ();
6686 mono_trace_cleanup ();
6688 mono_counters_dump (-1, stdout);
6690 if (mono_inject_async_exc_method)
6691 mono_method_desc_free (mono_inject_async_exc_method);
6693 TlsFree(mono_jit_tls_id);
6695 DeleteCriticalSection (&jit_mutex);
6697 DeleteCriticalSection (&mono_delegate_section);
6701 mono_set_defaults (int verbose_level, guint32 opts)
6703 mini_verbose = verbose_level;
6705 default_opt_set = TRUE;
6709 mono_disable_optimizations (guint32 opts)
6711 default_opt &= ~opts;
6715 * mono_get_runtime_build_info:
6717 * Return the runtime version + build date in string format.
6718 * The returned string is owned by the caller.
6721 mono_get_runtime_build_info (void)
6723 if (mono_build_date)
6724 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
6726 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
6730 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
6732 GHashTable *assemblies = (GHashTable*)user_data;
6733 MonoImage *image = mono_assembly_get_image (ass);
6734 MonoMethod *method, *invoke;
6737 if (g_hash_table_lookup (assemblies, ass))
6740 g_hash_table_insert (assemblies, ass, ass);
6742 if (mini_verbose > 0)
6743 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
6745 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
6746 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
6747 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
6751 if (mini_verbose > 1) {
6752 char * desc = mono_method_full_name (method, TRUE);
6753 g_print ("Compiling %d %s\n", count, desc);
6756 mono_compile_method (method);
6757 if (strcmp (method->name, "Finalize") == 0) {
6758 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6759 mono_compile_method (invoke);
6761 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
6762 invoke = mono_marshal_get_remoting_invoke_with_check (method);
6763 mono_compile_method (invoke);
6767 /* Load and precompile referenced assemblies as well */
6768 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
6769 mono_assembly_load_reference (image, i);
6770 if (image->references [i])
6771 mono_precompile_assembly (image->references [i], assemblies);
6775 void mono_precompile_assemblies ()
6777 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
6779 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
6781 g_hash_table_destroy (assemblies);
6787 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
6788 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
6792 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
6794 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
6795 hole->clause = clause;
6796 hole->start_offset = start - cfg->native_code;
6797 hole->basic_block = bb;
6799 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
6803 mono_cfg_set_exception (MonoCompile *cfg, int type)
6805 cfg->exception_type = type;