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 #if defined(HAVE_KW_THREAD)
73 #define MINI_FAST_TLS_SET(x,y) x = y
74 #define MINI_FAST_TLS_GET(x) x
75 #define MINI_FAST_TLS_INIT(x)
76 #define MINI_FAST_TLS_DECLARE(x) static __thread gpointer x MONO_TLS_FAST;
77 #define MINI_HAVE_FAST_TLS
78 #define MINI_THREAD_VAR_OFFSET(x,y) MONO_THREAD_VAR_OFFSET(x,y)
79 #elif (defined(__APPLE__) && defined(__i386__))
80 #define MINI_FAST_TLS_SET(x,y) pthread_setspecific(x, y)
81 #define MINI_FAST_TLS_GET(x) pthread_getspecific(x)
82 #define MINI_FAST_TLS_INIT(x) pthread_key_create(&x, NULL)
83 #define MINI_FAST_TLS_DECLARE(x) static pthread_key_t x;
84 #define MINI_HAVE_FAST_TLS
85 #define MINI_THREAD_VAR_OFFSET(x,y) y = (gint32) x
87 #define MINI_THREAD_VAR_OFFSET(x,y) MONO_THREAD_VAR_OFFSET(x,y)
90 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
93 static guint32 default_opt = 0;
94 static gboolean default_opt_set = FALSE;
96 guint32 mono_jit_tls_id = -1;
98 #ifdef MINI_HAVE_FAST_TLS
99 MINI_FAST_TLS_DECLARE(mono_jit_tls);
102 #ifndef MONO_ARCH_MONITOR_ENTER_ADJUSTMENT
103 #define MONO_ARCH_MONITOR_ENTER_ADJUSTMENT 1
106 MonoTraceSpec *mono_jit_trace_calls = NULL;
107 gboolean mono_break_on_exc = FALSE;
108 gboolean mono_compile_aot = FALSE;
109 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
110 gboolean mono_aot_only = FALSE;
111 /* Whenever to use IMT */
112 #ifdef MONO_ARCH_HAVE_IMT
113 gboolean mono_use_imt = TRUE;
115 gboolean mono_use_imt = FALSE;
117 MonoMethodDesc *mono_inject_async_exc_method = NULL;
118 int mono_inject_async_exc_pos;
119 MonoMethodDesc *mono_break_at_bb_method = NULL;
120 int mono_break_at_bb_bb_num;
121 gboolean mono_do_x86_stack_align = TRUE;
122 const char *mono_build_date;
123 gboolean mono_do_signal_chaining;
124 static gboolean mono_using_xdebug;
125 static int mini_verbose = 0;
128 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
129 * it can load AOT code compiled by LLVM.
131 gboolean mono_use_llvm = FALSE;
133 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
134 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
135 static CRITICAL_SECTION jit_mutex;
137 static MonoCodeManager *global_codeman = NULL;
139 static GHashTable *jit_icall_name_hash = NULL;
141 static MonoDebugOptions debug_options;
143 #ifdef VALGRIND_JIT_REGISTER_MAP
144 static int valgrind_register = 0;
148 * Table written to by the debugger with a 1-based index into the
149 * mono_breakpoint_info table, which contains changes made to
150 * the JIT instructions by the debugger.
153 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
155 /* Whenever to check for pending exceptions in managed-to-native wrappers */
156 gboolean check_for_pending_exc = TRUE;
158 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
159 gboolean disable_vtypes_in_regs = FALSE;
161 gboolean mono_dont_free_global_codeman;
164 mono_realloc_native_code (MonoCompile *cfg)
166 #if defined(__default_codegen__)
167 return g_realloc (cfg->native_code, cfg->code_size);
168 #elif defined(__native_client_codegen__)
170 gpointer native_code;
171 guint alignment_check;
173 /* Save the old alignment offset so we can re-align after the realloc. */
174 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
176 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
177 cfg->code_size + kNaClAlignment );
179 /* Align native_code to next nearest kNaClAlignment byte. */
180 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
181 native_code = (guint)native_code & ~kNaClAlignmentMask;
183 /* Shift the data to be 32-byte aligned again. */
184 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
186 alignment_check = (guint)native_code & kNaClAlignmentMask;
187 g_assert (alignment_check == 0);
190 g_assert_not_reached ();
191 return cfg->native_code;
195 #ifdef __native_client_codegen__
197 /* Prevent instructions from straddling a 32-byte alignment boundary. */
198 /* Instructions longer than 32 bytes must be aligned internally. */
199 /* IN: pcode, instlen */
201 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
204 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
206 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
207 g_assert_not_reached();
208 } else if (instlen > space_in_block) {
209 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
213 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
214 /* IN: start pointer to start of call sequence */
215 /* IN: pcode pointer to end of call sequence (current "IP") */
216 /* OUT: start pointer to the start of the call sequence after padding */
217 /* OUT: pcode pointer to the end of the call sequence after padding */
218 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
219 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
220 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
223 const size_t length = (size_t)((*pcode)-(*start));
224 g_assert(length < MAX_NACL_CALL_LENGTH);
226 memcpy(copy_of_call, *start, length);
227 temp = mono_nacl_pad_call(*start, (guint8)length);
228 memcpy(temp, copy_of_call, length);
230 (*pcode) = temp + length;
233 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
234 /* code pointer to buffer for emitting code */
235 /* ilength length of call instruction */
236 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
237 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
238 int padding = freeSpaceInBlock - ilength;
241 /* There isn't enough space in this block for the instruction. */
242 /* Fill this block and start a new one. */
243 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
244 freeSpaceInBlock = kNaClAlignment;
245 padding = freeSpaceInBlock - ilength;
247 g_assert(ilength > 0);
248 g_assert(padding >= 0);
249 g_assert(padding < kNaClAlignment);
250 if (0 == padding) return code;
251 return mono_arch_nacl_pad(code, padding);
254 guint8 *mono_nacl_align(guint8 *code) {
255 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
256 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
260 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
262 MonoJumpInfo *patch_info;
263 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
264 unsigned char *ip = patch_info->ip.i + code;
265 ip = mono_arch_nacl_skip_nops(ip);
266 patch_info->ip.i = ip - code;
269 #endif /* __native_client_codegen__ */
272 mono_running_on_valgrind (void)
274 if (RUNNING_ON_VALGRIND){
275 #ifdef VALGRIND_JIT_REGISTER_MAP
276 valgrind_register = TRUE;
284 MonoExceptionClause *clause;
285 MonoBasicBlock *basic_block;
295 find_tramp (gpointer key, gpointer value, gpointer user_data)
297 FindTrampUserData *ud = (FindTrampUserData*)user_data;
300 ud->method = (MonoMethod*)key;
304 G_GNUC_UNUSED static char*
305 get_method_from_ip (void *ip)
310 MonoDomain *domain = mono_domain_get ();
311 MonoDebugSourceLocation *location;
312 FindTrampUserData user_data;
314 ji = mono_jit_info_table_find (domain, ip);
317 user_data.method = NULL;
318 mono_domain_lock (domain);
319 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
320 mono_domain_unlock (domain);
321 if (user_data.method) {
322 char *mname = mono_method_full_name (user_data.method, TRUE);
323 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
330 method = mono_method_full_name (ji->method, TRUE);
331 /* FIXME: unused ? */
332 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
334 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);
336 mono_debug_free_source_location (location);
344 * @ip: an instruction pointer address
346 * This method is used from a debugger to get the name of the
347 * method at address @ip. This routine is typically invoked from
348 * a debugger like this:
350 * (gdb) print mono_pmip ($pc)
352 * Returns: the name of the method at address @ip.
357 return get_method_from_ip (ip);
361 * mono_print_method_from_ip
362 * @ip: an instruction pointer address
364 * This method is used from a debugger to get the name of the
365 * method at address @ip.
367 * This prints the name of the method at address @ip in the standard
368 * output. Unlike mono_pmip which returns a string, this routine
369 * prints the value on the standard output.
372 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
373 __attribute__((used))
376 mono_print_method_from_ip (void *ip)
380 MonoDebugSourceLocation *source;
381 MonoDomain *domain = mono_domain_get ();
382 MonoDomain *target_domain = mono_domain_get ();
383 FindTrampUserData user_data;
385 ji = mini_jit_info_table_find (domain, ip, &target_domain);
388 user_data.method = NULL;
389 mono_domain_lock (domain);
390 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
391 mono_domain_unlock (domain);
392 if (user_data.method) {
393 char *mname = mono_method_full_name (user_data.method, TRUE);
394 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
398 g_print ("No method at %p\n", ip);
401 method = mono_method_full_name (ji->method, TRUE);
402 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
404 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);
407 g_print ("%s:%d\n", source->source_file, source->row);
409 mono_debug_free_source_location (source);
414 * mono_method_same_domain:
416 * Determine whenever two compiled methods are in the same domain, thus
417 * the address of the callee can be embedded in the caller.
419 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
421 if (!caller || !callee)
425 * If the call was made from domain-neutral to domain-specific
426 * code, we can't patch the call site.
428 if (caller->domain_neutral && !callee->domain_neutral)
431 if ((caller->method->klass == mono_defaults.appdomain_class) &&
432 (strstr (caller->method->name, "InvokeInDomain"))) {
433 /* The InvokeInDomain methods change the current appdomain */
441 * mono_global_codeman_reserve:
443 * Allocate code memory from the global code manager.
445 void *mono_global_codeman_reserve (int size)
450 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
452 if (!global_codeman) {
453 /* This can happen during startup */
454 global_codeman = mono_code_manager_new ();
455 return mono_code_manager_reserve (global_codeman, size);
459 ptr = mono_code_manager_reserve (global_codeman, size);
465 #if defined(__native_client_codegen__) && defined(__native_client__)
466 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
467 * which we are generating code, return a pointer to the destination in the
468 * dynamic code segment into which the code will be copied when
469 * mono_global_codeman_commit is called.
470 * LOCKING: Acquires the jit lock.
473 nacl_global_codeman_get_dest (void *data)
477 dest = nacl_code_manager_get_code_dest (global_codeman, data);
483 mono_global_codeman_commit (void *data, int size, int newsize)
486 mono_code_manager_commit (global_codeman, data, size, newsize);
491 * Convenience function which calls mono_global_codeman_commit to validate and
492 * copy the code. The caller sets *buf_base and *buf_size to the start and size
493 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
494 * the byte after the last instruction byte. On return, *buf_base will point to
495 * the start of the copied in the code segment, and *code_end will point after
496 * the end of the copied code.
499 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
501 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
502 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
503 *code_end = tmp + (*code_end - *buf_base);
507 /* no-op versions of Native Client functions */
509 nacl_global_codeman_get_dest (void *data)
515 mono_global_codeman_commit (void *data, int size, int newsize)
520 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
524 #endif /* __native_client__ */
527 * mono_create_unwind_op:
529 * Create an unwind op with the given parameters.
532 mono_create_unwind_op (int when, int tag, int reg, int val)
534 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
545 * mono_emit_unwind_op:
547 * Add an unwind op with the given parameters for the list of unwind ops stored in
551 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
553 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
560 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
564 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
566 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
569 res->has_context = context != NULL;
571 memcpy (&res->context, context, sizeof (MonoGenericContext));
577 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
579 return mono_jump_info_token_new2 (mp, image, token, NULL);
583 * mono_tramp_info_create:
585 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
586 * of NAME, JI, and UNWIND_OPS.
589 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
591 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
593 info->name = (char*)name;
595 info->code_size = code_size;
597 info->unwind_ops = unwind_ops;
603 mono_tramp_info_free (MonoTrampInfo *info)
610 for (l = info->unwind_ops; l; l = l->next)
612 g_slist_free (info->unwind_ops);
616 #define MONO_INIT_VARINFO(vi,id) do { \
617 (vi)->range.first_use.pos.bid = 0xffff; \
623 * mono_unlink_bblock:
625 * Unlink two basic blocks.
628 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
634 for (i = 0; i < from->out_count; ++i) {
635 if (to == from->out_bb [i]) {
642 for (i = 0; i < from->out_count; ++i) {
643 if (from->out_bb [i] != to)
644 from->out_bb [pos ++] = from->out_bb [i];
646 g_assert (pos == from->out_count - 1);
651 for (i = 0; i < to->in_count; ++i) {
652 if (from == to->in_bb [i]) {
659 for (i = 0; i < to->in_count; ++i) {
660 if (to->in_bb [i] != from)
661 to->in_bb [pos ++] = to->in_bb [i];
663 g_assert (pos == to->in_count - 1);
669 * mono_bblocks_linked:
671 * Return whenever BB1 and BB2 are linked in the CFG.
674 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
678 for (i = 0; i < bb1->out_count; ++i) {
679 if (bb1->out_bb [i] == bb2)
687 mono_find_block_region_notry (MonoCompile *cfg, int offset)
689 MonoMethodHeader *header = cfg->header;
690 MonoExceptionClause *clause;
693 for (i = 0; i < header->num_clauses; ++i) {
694 clause = &header->clauses [i];
695 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
696 (offset < (clause->handler_offset)))
697 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
699 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
700 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
701 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
702 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
703 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
705 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
713 * mono_get_block_region_notry:
715 * Return the region corresponding to REGION, ignoring try clauses nested inside
719 mono_get_block_region_notry (MonoCompile *cfg, int region)
721 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
722 MonoMethodHeader *header = cfg->header;
725 * This can happen if a try clause is nested inside a finally clause.
727 int clause_index = (region >> 8) - 1;
728 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
730 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
737 mono_find_spvar_for_region (MonoCompile *cfg, int region)
739 region = mono_get_block_region_notry (cfg, region);
741 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
745 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
749 array [*dfn] = start;
750 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
751 for (i = 0; i < start->out_count; ++i) {
752 if (start->out_bb [i]->dfn)
755 start->out_bb [i]->dfn = *dfn;
756 start->out_bb [i]->df_parent = start;
757 array [*dfn] = start->out_bb [i];
758 df_visit (start->out_bb [i], dfn, array);
763 mono_reverse_branch_op (guint32 opcode)
765 static const int reverse_map [] = {
766 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
767 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
769 static const int reverse_fmap [] = {
770 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
771 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
773 static const int reverse_lmap [] = {
774 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
775 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
777 static const int reverse_imap [] = {
778 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
779 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
782 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
783 opcode = reverse_map [opcode - CEE_BEQ];
784 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
785 opcode = reverse_fmap [opcode - OP_FBEQ];
786 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
787 opcode = reverse_lmap [opcode - OP_LBEQ];
788 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
789 opcode = reverse_imap [opcode - OP_IBEQ];
791 g_assert_not_reached ();
797 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
800 return OP_STORE_MEMBASE_REG;
803 switch (type->type) {
806 case MONO_TYPE_BOOLEAN:
807 return OP_STOREI1_MEMBASE_REG;
811 return OP_STOREI2_MEMBASE_REG;
814 return OP_STOREI4_MEMBASE_REG;
818 case MONO_TYPE_FNPTR:
819 return OP_STORE_MEMBASE_REG;
820 case MONO_TYPE_CLASS:
821 case MONO_TYPE_STRING:
822 case MONO_TYPE_OBJECT:
823 case MONO_TYPE_SZARRAY:
824 case MONO_TYPE_ARRAY:
825 return OP_STORE_MEMBASE_REG;
828 return OP_STOREI8_MEMBASE_REG;
830 return OP_STORER4_MEMBASE_REG;
832 return OP_STORER8_MEMBASE_REG;
833 case MONO_TYPE_VALUETYPE:
834 if (type->data.klass->enumtype) {
835 type = mono_class_enum_basetype (type->data.klass);
838 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
839 return OP_STOREX_MEMBASE;
840 return OP_STOREV_MEMBASE;
841 case MONO_TYPE_TYPEDBYREF:
842 return OP_STOREV_MEMBASE;
843 case MONO_TYPE_GENERICINST:
844 type = &type->data.generic_class->container_class->byval_arg;
848 /* FIXME: all the arguments must be references for now,
849 * later look inside cfg and see if the arg num is
852 g_assert (cfg->generic_sharing_context);
853 return OP_STORE_MEMBASE_REG;
855 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
861 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
864 return OP_LOAD_MEMBASE;
866 type = mono_type_get_underlying_type (type);
868 switch (type->type) {
870 return OP_LOADI1_MEMBASE;
872 case MONO_TYPE_BOOLEAN:
873 return OP_LOADU1_MEMBASE;
875 return OP_LOADI2_MEMBASE;
878 return OP_LOADU2_MEMBASE;
880 return OP_LOADI4_MEMBASE;
882 return OP_LOADU4_MEMBASE;
886 case MONO_TYPE_FNPTR:
887 return OP_LOAD_MEMBASE;
888 case MONO_TYPE_CLASS:
889 case MONO_TYPE_STRING:
890 case MONO_TYPE_OBJECT:
891 case MONO_TYPE_SZARRAY:
892 case MONO_TYPE_ARRAY:
893 return OP_LOAD_MEMBASE;
896 return OP_LOADI8_MEMBASE;
898 return OP_LOADR4_MEMBASE;
900 return OP_LOADR8_MEMBASE;
901 case MONO_TYPE_VALUETYPE:
902 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
903 return OP_LOADX_MEMBASE;
904 case MONO_TYPE_TYPEDBYREF:
905 return OP_LOADV_MEMBASE;
906 case MONO_TYPE_GENERICINST:
907 if (mono_type_generic_inst_is_valuetype (type))
908 return OP_LOADV_MEMBASE;
910 return OP_LOAD_MEMBASE;
914 /* FIXME: all the arguments must be references for now,
915 * later look inside cfg and see if the arg num is
918 g_assert (cfg->generic_sharing_context);
919 return OP_LOAD_MEMBASE;
921 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
927 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
929 if (cfg->generic_sharing_context && !type->byref) {
930 /* FIXME: all the arguments must be references for now,
931 * later look inside cfg and see if the arg num is
934 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
935 return CEE_LDIND_REF;
937 return mono_type_to_ldind (type);
941 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
943 if (cfg->generic_sharing_context && !type->byref) {
944 /* FIXME: all the arguments must be references for now,
945 * later look inside cfg and see if the arg num is
948 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
949 return CEE_STIND_REF;
951 return mono_type_to_stind (type);
955 mono_op_imm_to_op (int opcode)
959 #if SIZEOF_REGISTER == 4
975 #if SIZEOF_REGISTER == 4
981 #if SIZEOF_REGISTER == 4
987 #if SIZEOF_REGISTER == 4
1012 case OP_ISHR_UN_IMM:
1014 case OP_LSHR_UN_IMM:
1018 case OP_IDIV_UN_IMM:
1020 case OP_IREM_UN_IMM:
1025 #if SIZEOF_REGISTER == 4
1031 #if SIZEOF_REGISTER == 4
1048 case OP_COMPARE_IMM:
1050 case OP_ICOMPARE_IMM:
1052 case OP_LOCALLOC_IMM:
1055 printf ("%s\n", mono_inst_name (opcode));
1056 g_assert_not_reached ();
1062 * mono_decompose_op_imm:
1064 * Replace the OP_.._IMM INS with its non IMM variant.
1067 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1071 MONO_INST_NEW (cfg, temp, OP_ICONST);
1072 temp->inst_c0 = ins->inst_imm;
1073 temp->dreg = mono_alloc_ireg (cfg);
1074 mono_bblock_insert_before_ins (bb, ins, temp);
1075 ins->opcode = mono_op_imm_to_op (ins->opcode);
1076 if (ins->opcode == OP_LOCALLOC)
1077 ins->sreg1 = temp->dreg;
1079 ins->sreg2 = temp->dreg;
1081 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1085 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1087 if (vreg >= cfg->vreg_to_inst_len) {
1088 MonoInst **tmp = cfg->vreg_to_inst;
1089 int size = cfg->vreg_to_inst_len;
1091 while (vreg >= cfg->vreg_to_inst_len)
1092 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1093 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1095 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1097 cfg->vreg_to_inst [vreg] = inst;
1100 #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)))
1101 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1106 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1114 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1117 int num = cfg->num_varinfo;
1120 if ((num + 1) >= cfg->varinfo_count) {
1121 int orig_count = cfg->varinfo_count;
1122 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1123 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1124 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1125 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1128 mono_jit_stats.allocate_var++;
1130 MONO_INST_NEW (cfg, inst, opcode);
1131 inst->inst_c0 = num;
1132 inst->inst_vtype = type;
1133 inst->klass = mono_class_from_mono_type (type);
1134 type_to_eval_stack_type (cfg, type, inst);
1135 /* if set to 1 the variable is native */
1136 inst->backend.is_pinvoke = 0;
1139 if (cfg->compute_gc_maps) {
1141 mono_mark_vreg_as_mp (cfg, vreg);
1143 MonoType *t = mini_type_get_underlying_type (NULL, type);
1144 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || MONO_TYPE_IS_REFERENCE (t)) {
1145 inst->flags |= MONO_INST_GC_TRACK;
1146 mono_mark_vreg_as_ref (cfg, vreg);
1151 cfg->varinfo [num] = inst;
1153 MONO_INIT_VARINFO (&cfg->vars [num], num);
1154 MONO_VARINFO (cfg, num)->vreg = vreg;
1157 set_vreg_to_inst (cfg, vreg, inst);
1159 #if SIZEOF_REGISTER == 4
1160 #ifdef MONO_ARCH_SOFT_FLOAT
1161 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1163 regpair = mono_type_is_long (type);
1173 * These two cannot be allocated using create_var_for_vreg since that would
1174 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1178 * Set flags to VOLATILE so SSA skips it.
1181 if (cfg->verbose_level >= 4) {
1182 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1185 #ifdef MONO_ARCH_SOFT_FLOAT
1186 if (cfg->opt & MONO_OPT_SSA) {
1187 if (mono_type_is_float (type))
1188 inst->flags = MONO_INST_VOLATILE;
1192 /* Allocate a dummy MonoInst for the first vreg */
1193 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1194 tree->dreg = inst->dreg + 1;
1195 if (cfg->opt & MONO_OPT_SSA)
1196 tree->flags = MONO_INST_VOLATILE;
1197 tree->inst_c0 = num;
1198 tree->type = STACK_I4;
1199 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1200 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1202 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1204 /* Allocate a dummy MonoInst for the second vreg */
1205 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1206 tree->dreg = inst->dreg + 2;
1207 if (cfg->opt & MONO_OPT_SSA)
1208 tree->flags = MONO_INST_VOLATILE;
1209 tree->inst_c0 = num;
1210 tree->type = STACK_I4;
1211 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1212 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1214 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1218 if (cfg->verbose_level > 2)
1219 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1224 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1228 if (mono_type_is_long (type))
1229 dreg = mono_alloc_dreg (cfg, STACK_I8);
1230 #ifdef MONO_ARCH_SOFT_FLOAT
1231 else if (mono_type_is_float (type))
1232 dreg = mono_alloc_dreg (cfg, STACK_R8);
1235 /* All the others are unified */
1236 dreg = mono_alloc_preg (cfg);
1238 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1242 * Transform a MonoInst into a load from the variable of index var_index.
1245 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1246 memset (dest, 0, sizeof (MonoInst));
1247 dest->inst_i0 = cfg->varinfo [var_index];
1248 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1249 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1250 dest->klass = dest->inst_i0->klass;
1256 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1258 if (vreg >= cfg->vreg_is_ref_len) {
1259 gboolean *tmp = cfg->vreg_is_ref;
1260 int size = cfg->vreg_is_ref_len;
1262 while (vreg >= cfg->vreg_is_ref_len)
1263 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1264 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1266 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1268 cfg->vreg_is_ref [vreg] = TRUE;
1272 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1274 if (vreg >= cfg->vreg_is_mp_len) {
1275 gboolean *tmp = cfg->vreg_is_mp;
1276 int size = cfg->vreg_is_mp_len;
1278 while (vreg >= cfg->vreg_is_mp_len)
1279 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1280 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1282 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1284 cfg->vreg_is_mp [vreg] = TRUE;
1288 type_from_stack_type (MonoInst *ins) {
1289 switch (ins->type) {
1290 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1291 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1292 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1293 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1296 * this if used to be commented without any specific reason, but
1297 * it breaks #80235 when commented
1300 return &ins->klass->this_arg;
1302 return &mono_defaults.object_class->this_arg;
1304 /* ins->klass may not be set for ldnull.
1305 * Also, if we have a boxed valuetype, we want an object lass,
1306 * not the valuetype class
1308 if (ins->klass && !ins->klass->valuetype)
1309 return &ins->klass->byval_arg;
1310 return &mono_defaults.object_class->byval_arg;
1311 case STACK_VTYPE: return &ins->klass->byval_arg;
1313 g_error ("stack type %d to montype not handled\n", ins->type);
1319 mono_type_from_stack_type (MonoInst *ins) {
1320 return type_from_stack_type (ins);
1324 * mono_add_ins_to_end:
1326 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1329 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1334 MONO_ADD_INS (bb, inst);
1338 switch (bb->last_ins->opcode) {
1352 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1355 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1356 /* Need to insert the ins before the compare */
1357 if (bb->code == bb->last_ins) {
1358 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1362 if (bb->code->next == bb->last_ins) {
1363 /* Only two instructions */
1364 opcode = bb->code->opcode;
1366 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)) {
1368 mono_bblock_insert_before_ins (bb, bb->code, inst);
1370 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1373 opcode = bb->last_ins->prev->opcode;
1375 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)) {
1377 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1379 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1384 MONO_ADD_INS (bb, inst);
1390 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1392 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1393 MonoJumpInfoBBTable *table;
1395 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1397 table->table_size = num_blocks;
1399 ji->ip.label = label;
1400 ji->type = MONO_PATCH_INFO_SWITCH;
1401 ji->data.table = table;
1402 ji->next = cfg->patch_info;
1403 cfg->patch_info = ji;
1406 static MonoMethodSignature *
1407 mono_get_array_new_va_signature (int arity)
1409 static GHashTable *sighash = NULL;
1410 MonoMethodSignature *res;
1415 sighash = g_hash_table_new (NULL, NULL);
1417 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1422 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1425 #ifdef MONO_ARCH_VARARG_ICALLS
1426 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1427 res->call_convention = MONO_CALL_VARARG;
1431 res->call_convention = MONO_CALL_C;
1434 res->params [0] = &mono_defaults.int_class->byval_arg;
1435 for (i = 0; i < arity; i++)
1436 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1438 res->ret = &mono_defaults.object_class->byval_arg;
1440 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1447 mono_get_array_new_va_icall (int rank)
1449 MonoMethodSignature *esig;
1450 char icall_name [256];
1452 MonoJitICallInfo *info;
1454 /* Need to register the icall so it gets an icall wrapper */
1455 sprintf (icall_name, "ves_array_new_va_%d", rank);
1458 info = mono_find_jit_icall_by_name (icall_name);
1460 esig = mono_get_array_new_va_signature (rank);
1461 name = g_strdup (icall_name);
1462 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1464 g_hash_table_insert (jit_icall_name_hash, name, name);
1472 mini_class_is_system_array (MonoClass *klass)
1474 if (klass->parent == mono_defaults.array_class)
1481 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1483 MonoAssembly *assembly = method->klass->image->assembly;
1484 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1486 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1488 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1490 return mono_assembly_has_skip_verification (assembly);
1494 * mini_method_verify:
1496 * Verify the method using the new verfier.
1498 * Returns true if the method is invalid.
1501 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1504 gboolean is_fulltrust;
1505 MonoLoaderError *error;
1507 if (method->verification_success)
1510 is_fulltrust = mono_verifier_is_method_full_trust (method);
1512 if (!mono_verifier_is_enabled_for_method (method))
1515 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility);
1517 if ((error = mono_loader_get_last_error ())) {
1519 cfg->exception_type = error->exception_type;
1521 mono_loader_clear_error ();
1523 mono_free_verify_list (res);
1528 for (tmp = res; tmp; tmp = tmp->next) {
1529 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1530 if (info->info.status == MONO_VERIFY_ERROR) {
1532 char *method_name = mono_method_full_name (method, TRUE);
1533 cfg->exception_type = info->exception_type;
1534 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1535 g_free (method_name);
1537 mono_free_verify_list (res);
1540 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1542 char *method_name = mono_method_full_name (method, TRUE);
1543 cfg->exception_type = info->exception_type;
1544 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1545 g_free (method_name);
1547 mono_free_verify_list (res);
1551 mono_free_verify_list (res);
1553 method->verification_success = 1;
1557 /*Returns true if something went wrong*/
1559 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1561 MonoMethod *method_definition = method;
1562 gboolean dont_verify = mini_assembly_can_skip_verification (cfg->domain, method);
1563 dont_verify |= method->klass->image->assembly->corlib_internal;
1565 while (method_definition->is_inflated) {
1566 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1567 method_definition = imethod->declaring;
1570 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1573 static gconstpointer
1574 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1577 MonoMethod *wrapper;
1578 gconstpointer trampoline;
1579 MonoDomain *domain = mono_get_root_domain ();
1581 if (callinfo->wrapper) {
1582 return callinfo->wrapper;
1585 if (callinfo->trampoline)
1586 return callinfo->trampoline;
1589 * We use the lock on the root domain instead of the JIT lock to protect
1590 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1592 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1593 mono_domain_lock (domain);
1595 if (callinfo->trampoline) {
1596 mono_domain_unlock (domain);
1597 mono_loader_unlock ();
1598 return callinfo->trampoline;
1601 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1602 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1606 trampoline = mono_compile_method (wrapper);
1608 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1609 mono_register_jit_icall_wrapper (callinfo, trampoline);
1611 callinfo->trampoline = trampoline;
1613 mono_domain_unlock (domain);
1614 mono_loader_unlock ();
1616 return callinfo->trampoline;
1620 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1622 return mono_icall_get_wrapper_full (callinfo, FALSE);
1626 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1628 if (!domain_jit_info (domain)->dynamic_code_hash)
1629 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1630 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1633 static MonoJitDynamicMethodInfo*
1634 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1636 MonoJitDynamicMethodInfo *res;
1638 if (domain_jit_info (domain)->dynamic_code_hash)
1639 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1647 GList *active, *inactive;
1652 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1654 MonoMethodVar *v1 = (MonoMethodVar*)a;
1655 MonoMethodVar *v2 = (MonoMethodVar*)b;
1659 else if (v1->interval->range && v2->interval->range)
1660 return v1->interval->range->from - v2->interval->range->from;
1661 else if (v1->interval->range)
1670 #define LSCAN_DEBUG(a) do { a; } while (0)
1672 #define LSCAN_DEBUG(a)
1676 mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1678 int i, slot, offset, size;
1683 GList *vars = NULL, *l, *unhandled;
1684 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1687 gboolean reuse_slot;
1689 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1691 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1692 vtype_stack_slots = NULL;
1695 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1696 for (i = 0; i < cfg->num_varinfo; ++i)
1699 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1700 inst = cfg->varinfo [i];
1701 vmv = MONO_VARINFO (cfg, i);
1703 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1706 vars = g_list_prepend (vars, vmv);
1709 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1714 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1715 MonoMethodVar *current = unhandled->data;
1717 if (current->interval->range) {
1718 g_assert (current->interval->range->from >= i);
1719 i = current->interval->range->from;
1726 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1727 MonoMethodVar *current = unhandled->data;
1730 inst = cfg->varinfo [vmv->idx];
1732 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1733 * pinvoke wrappers when they call functions returning structures */
1734 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1735 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1740 size = mono_type_size (inst->inst_vtype, &ialign);
1743 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1748 if (cfg->disable_reuse_stack_slots)
1751 t = mono_type_get_underlying_type (inst->inst_vtype);
1753 case MONO_TYPE_GENERICINST:
1754 if (!mono_type_generic_inst_is_valuetype (t)) {
1755 slot_info = &scalar_stack_slots [t->type];
1759 case MONO_TYPE_VALUETYPE:
1760 if (!vtype_stack_slots)
1761 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1762 for (i = 0; i < nvtypes; ++i)
1763 if (t->data.klass == vtype_stack_slots [i].vtype)
1766 slot_info = &vtype_stack_slots [i];
1768 g_assert (nvtypes < 256);
1769 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1770 slot_info = &vtype_stack_slots [nvtypes];
1773 if (cfg->disable_reuse_ref_stack_slots)
1780 #if SIZEOF_VOID_P == 4
1785 if (cfg->disable_ref_noref_stack_slot_share) {
1786 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1791 case MONO_TYPE_CLASS:
1792 case MONO_TYPE_OBJECT:
1793 case MONO_TYPE_ARRAY:
1794 case MONO_TYPE_SZARRAY:
1795 case MONO_TYPE_STRING:
1796 /* Share non-float stack slots of the same size */
1797 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1798 if (cfg->disable_reuse_ref_stack_slots)
1803 slot_info = &scalar_stack_slots [t->type];
1807 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1811 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1813 if (!current->interval->range) {
1814 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1818 inst->flags |= MONO_INST_IS_DEAD;
1823 pos = current->interval->range->from;
1825 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1826 if (current->interval->range)
1827 LSCAN_DEBUG (mono_linterval_print (current->interval));
1828 LSCAN_DEBUG (printf ("\n"));
1830 /* Check for intervals in active which expired or inactive */
1832 /* FIXME: Optimize this */
1835 for (l = slot_info->active; l != NULL; l = l->next) {
1836 MonoMethodVar *v = (MonoMethodVar*)l->data;
1838 if (v->interval->last_range->to < pos) {
1839 slot_info->active = g_list_delete_link (slot_info->active, l);
1840 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1841 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1845 else if (!mono_linterval_covers (v->interval, pos)) {
1846 slot_info->inactive = g_list_append (slot_info->inactive, v);
1847 slot_info->active = g_list_delete_link (slot_info->active, l);
1848 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1855 /* Check for intervals in inactive which expired or active */
1857 /* FIXME: Optimize this */
1860 for (l = slot_info->inactive; l != NULL; l = l->next) {
1861 MonoMethodVar *v = (MonoMethodVar*)l->data;
1863 if (v->interval->last_range->to < pos) {
1864 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1865 // FIXME: Enabling this seems to cause impossible to debug crashes
1866 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1867 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1871 else if (mono_linterval_covers (v->interval, pos)) {
1872 slot_info->active = g_list_append (slot_info->active, v);
1873 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1874 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1882 * This also handles the case when the variable is used in an
1883 * exception region, as liveness info is not computed there.
1886 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1889 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1890 if (slot_info->slots) {
1891 slot = GPOINTER_TO_INT (slot_info->slots->data);
1893 slot_info->slots = slot_info->slots->next;
1896 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1898 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1904 static int count = 0;
1907 if (count == atoi (getenv ("COUNT3")))
1908 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1909 if (count > atoi (getenv ("COUNT3")))
1912 mono_print_ins (inst);
1917 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1922 if (slot == 0xffffff) {
1924 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1925 * efficient copying (and to work around the fact that OP_MEMCPY
1926 * and OP_MEMSET ignores alignment).
1928 if (MONO_TYPE_ISSTRUCT (t)) {
1929 align = MAX (align, sizeof (gpointer));
1930 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1935 offset += align - 1;
1936 offset &= ~(align - 1);
1940 offset += align - 1;
1941 offset &= ~(align - 1);
1946 if (*stack_align == 0)
1947 *stack_align = align;
1950 offsets [vmv->idx] = slot;
1953 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1954 if (scalar_stack_slots [i].active)
1955 g_list_free (scalar_stack_slots [i].active);
1957 for (i = 0; i < nvtypes; ++i) {
1958 if (vtype_stack_slots [i].active)
1959 g_list_free (vtype_stack_slots [i].active);
1962 mono_jit_stats.locals_stack_size += offset;
1964 *stack_size = offset;
1969 * mono_allocate_stack_slots_full:
1971 * Allocate stack slots for all non register allocated variables using a
1972 * linear scan algorithm.
1973 * Returns: an array of stack offsets.
1974 * STACK_SIZE is set to the amount of stack space needed.
1975 * STACK_ALIGN is set to the alignment needed by the locals area.
1978 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1980 int i, slot, offset, size;
1985 GList *vars = NULL, *l;
1986 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1989 gboolean reuse_slot;
1991 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1992 return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
1994 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1995 vtype_stack_slots = NULL;
1998 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1999 for (i = 0; i < cfg->num_varinfo; ++i)
2002 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2003 inst = cfg->varinfo [i];
2004 vmv = MONO_VARINFO (cfg, i);
2006 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2009 vars = g_list_prepend (vars, vmv);
2012 vars = mono_varlist_sort (cfg, vars, 0);
2014 *stack_align = sizeof(mgreg_t);
2015 for (l = vars; l; l = l->next) {
2017 inst = cfg->varinfo [vmv->idx];
2019 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2020 * pinvoke wrappers when they call functions returning structures */
2021 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
2022 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
2026 size = mono_type_size (inst->inst_vtype, &ialign);
2029 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
2034 if (cfg->disable_reuse_stack_slots)
2037 t = mono_type_get_underlying_type (inst->inst_vtype);
2039 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2042 case MONO_TYPE_GENERICINST:
2043 if (!mono_type_generic_inst_is_valuetype (t)) {
2044 slot_info = &scalar_stack_slots [t->type];
2048 case MONO_TYPE_VALUETYPE:
2049 if (!vtype_stack_slots)
2050 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2051 for (i = 0; i < nvtypes; ++i)
2052 if (t->data.klass == vtype_stack_slots [i].vtype)
2055 slot_info = &vtype_stack_slots [i];
2057 g_assert (nvtypes < 256);
2058 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2059 slot_info = &vtype_stack_slots [nvtypes];
2062 if (cfg->disable_reuse_ref_stack_slots)
2069 #if SIZEOF_VOID_P == 4
2074 if (cfg->disable_ref_noref_stack_slot_share) {
2075 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2080 case MONO_TYPE_CLASS:
2081 case MONO_TYPE_OBJECT:
2082 case MONO_TYPE_ARRAY:
2083 case MONO_TYPE_SZARRAY:
2084 case MONO_TYPE_STRING:
2085 /* Share non-float stack slots of the same size */
2086 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2087 if (cfg->disable_reuse_ref_stack_slots)
2092 slot_info = &scalar_stack_slots [t->type];
2097 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2098 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2100 /* expire old intervals in active */
2101 while (slot_info->active) {
2102 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2104 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2107 //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);
2109 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2110 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2114 * This also handles the case when the variable is used in an
2115 * exception region, as liveness info is not computed there.
2118 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2121 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2122 if (slot_info->slots) {
2123 slot = GPOINTER_TO_INT (slot_info->slots->data);
2125 slot_info->slots = slot_info->slots->next;
2128 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2133 static int count = 0;
2137 if (count == atoi (getenv ("COUNT")))
2138 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2139 if (count > atoi (getenv ("COUNT")))
2142 mono_print_ins (inst);
2150 if (slot == 0xffffff) {
2152 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2153 * efficient copying (and to work around the fact that OP_MEMCPY
2154 * and OP_MEMSET ignores alignment).
2156 if (MONO_TYPE_ISSTRUCT (t)) {
2157 align = MAX (align, sizeof (gpointer));
2158 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2160 * Align the size too so the code generated for passing vtypes in
2161 * registers doesn't overwrite random locals.
2163 size = (size + (align - 1)) & ~(align -1);
2168 offset += align - 1;
2169 offset &= ~(align - 1);
2173 offset += align - 1;
2174 offset &= ~(align - 1);
2179 *stack_align = MAX (*stack_align, align);
2182 offsets [vmv->idx] = slot;
2185 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2186 if (scalar_stack_slots [i].active)
2187 g_list_free (scalar_stack_slots [i].active);
2189 for (i = 0; i < nvtypes; ++i) {
2190 if (vtype_stack_slots [i].active)
2191 g_list_free (vtype_stack_slots [i].active);
2194 mono_jit_stats.locals_stack_size += offset;
2196 *stack_size = offset;
2203 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2205 g_assert_not_reached ();
2209 #endif /* DISABLE_JIT */
2212 mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align)
2214 return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align);
2217 #define EMUL_HIT_SHIFT 3
2218 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2219 /* small hit bitmap cache */
2220 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2221 static short emul_opcode_num = 0;
2222 static short emul_opcode_alloced = 0;
2223 static short *emul_opcode_opcodes = NULL;
2224 static MonoJitICallInfo **emul_opcode_map = NULL;
2227 mono_find_jit_opcode_emulation (int opcode)
2229 g_assert (opcode >= 0 && opcode <= OP_LAST);
2230 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2232 for (i = 0; i < emul_opcode_num; ++i) {
2233 if (emul_opcode_opcodes [i] == opcode)
2234 return emul_opcode_map [i];
2241 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
2243 MonoJitICallInfo *info;
2244 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2246 g_assert (!sig->hasthis);
2247 g_assert (sig->param_count < 3);
2249 info = mono_register_jit_icall (func, name, sig, no_throw);
2251 if (emul_opcode_num >= emul_opcode_alloced) {
2252 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2253 emul_opcode_alloced += incr;
2254 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2255 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2257 emul_opcode_map [emul_opcode_num] = info;
2258 emul_opcode_opcodes [emul_opcode_num] = opcode;
2260 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2264 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2266 MonoMethodSignature *sig;
2269 sig = mono_create_icall_signature (sigstr);
2273 mono_register_jit_icall (func, name, sig, save);
2277 print_dfn (MonoCompile *cfg) {
2284 char *method_name = mono_method_full_name (cfg->method, TRUE);
2285 g_print ("IR code for method %s\n", method_name);
2286 g_free (method_name);
2289 for (i = 0; i < cfg->num_bblocks; ++i) {
2290 bb = cfg->bblocks [i];
2291 /*if (bb->cil_code) {
2292 char* code1, *code2;
2293 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2294 if (bb->last_ins->cil_code)
2295 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2297 code2 = g_strdup ("");
2299 code1 [strlen (code1) - 1] = 0;
2300 code = g_strdup_printf ("%s -> %s", code1, code2);
2304 code = g_strdup ("\n");
2305 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2306 MONO_BB_FOR_EACH_INS (bb, c) {
2307 mono_print_ins_index (-1, c);
2310 g_print ("\tprev:");
2311 for (j = 0; j < bb->in_count; ++j) {
2312 g_print (" BB%d", bb->in_bb [j]->block_num);
2314 g_print ("\t\tsucc:");
2315 for (j = 0; j < bb->out_count; ++j) {
2316 g_print (" BB%d", bb->out_bb [j]->block_num);
2318 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2321 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2324 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2326 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2334 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2336 MONO_ADD_INS (bb, inst);
2340 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2344 bb->code = ins_to_insert;
2346 /* Link with next */
2347 ins_to_insert->next = ins;
2349 ins->prev = ins_to_insert;
2351 if (bb->last_ins == NULL)
2352 bb->last_ins = ins_to_insert;
2354 /* Link with next */
2355 ins_to_insert->next = ins->next;
2357 ins->next->prev = ins_to_insert;
2359 /* Link with previous */
2360 ins->next = ins_to_insert;
2361 ins_to_insert->prev = ins;
2363 if (bb->last_ins == ins)
2364 bb->last_ins = ins_to_insert;
2369 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2374 ins->prev = ins_to_insert;
2375 bb->code = ins_to_insert;
2376 ins_to_insert->next = ins;
2377 if (bb->last_ins == NULL)
2378 bb->last_ins = ins_to_insert;
2380 /* Link with previous */
2382 ins->prev->next = ins_to_insert;
2383 ins_to_insert->prev = ins->prev;
2385 /* Link with next */
2386 ins->prev = ins_to_insert;
2387 ins_to_insert->next = ins;
2389 if (bb->code == ins)
2390 bb->code = ins_to_insert;
2395 * mono_verify_bblock:
2397 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2400 mono_verify_bblock (MonoBasicBlock *bb)
2402 MonoInst *ins, *prev;
2405 for (ins = bb->code; ins; ins = ins->next) {
2406 g_assert (ins->prev == prev);
2410 g_assert (!bb->last_ins->next);
2416 * Perform consistency checks on the JIT data structures and the IR
2419 mono_verify_cfg (MonoCompile *cfg)
2423 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2424 mono_verify_bblock (bb);
2428 mono_destroy_compile (MonoCompile *cfg)
2433 mono_metadata_free_mh (cfg->header);
2434 //mono_mempool_stats (cfg->mempool);
2435 mono_free_loop_info (cfg);
2437 mono_regstate_free (cfg->rs);
2439 g_hash_table_destroy (cfg->spvars);
2441 g_hash_table_destroy (cfg->exvars);
2442 for (l = cfg->headers_to_free; l; l = l->next)
2443 mono_metadata_free_mh (l->data);
2444 g_list_free (cfg->ldstr_list);
2445 g_hash_table_destroy (cfg->token_info_hash);
2446 if (cfg->abs_patches)
2447 g_hash_table_destroy (cfg->abs_patches);
2448 mono_mempool_destroy (cfg->mempool);
2450 mono_debug_free_method (cfg);
2452 g_free (cfg->varinfo);
2454 g_free (cfg->exception_message);
2458 #ifdef MINI_HAVE_FAST_TLS
2459 MINI_FAST_TLS_DECLARE(mono_lmf_addr);
2460 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2462 * When this is defined, the current lmf is stored in this tls variable instead of in
2465 MINI_FAST_TLS_DECLARE(mono_lmf);
2470 mono_get_jit_tls_key (void)
2472 return mono_jit_tls_id;
2476 mono_get_jit_tls_offset (void)
2478 #ifdef MINI_HAVE_FAST_TLS
2480 MINI_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2488 mono_get_lmf_tls_offset (void)
2490 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2492 MINI_THREAD_VAR_OFFSET(mono_lmf,offset);
2500 mono_get_lmf_addr_tls_offset (void)
2503 MINI_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2510 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2511 return MINI_FAST_TLS_GET (mono_lmf);
2513 MonoJitTlsData *jit_tls;
2515 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2516 return jit_tls->lmf;
2518 * We do not assert here because this function can be called from
2519 * mini-gc.c on a thread that has not executed any managed code, yet
2520 * (the thread object allocation can trigger a collection).
2527 mono_get_lmf_addr (void)
2529 #ifdef MINI_HAVE_FAST_TLS
2530 return MINI_FAST_TLS_GET (mono_lmf_addr);
2532 MonoJitTlsData *jit_tls;
2534 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2535 return &jit_tls->lmf;
2538 * When resolving the call to mono_jit_thread_attach full-aot will look
2539 * in the plt, which causes a call into the generic trampoline, which in turn
2540 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2541 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2542 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2545 mono_jit_thread_attach (NULL);
2547 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2548 return &jit_tls->lmf;
2550 g_assert_not_reached ();
2556 mono_set_lmf (MonoLMF *lmf)
2558 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2559 MINI_FAST_TLS_SET (mono_lmf, lmf);
2562 (*mono_get_lmf_addr ()) = lmf;
2566 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2568 TlsSetValue (mono_jit_tls_id, jit_tls);
2570 #ifdef MINI_HAVE_FAST_TLS
2571 MINI_FAST_TLS_SET (mono_jit_tls, jit_tls);
2576 mono_set_lmf_addr (gpointer lmf_addr)
2578 #ifdef MINI_HAVE_FAST_TLS
2579 MINI_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2583 /* Called by native->managed wrappers */
2585 mono_jit_thread_attach (MonoDomain *domain)
2589 * Happens when called from AOTed code which is only used in the root
2592 domain = mono_get_root_domain ();
2594 #ifdef MINI_HAVE_FAST_TLS
2595 if (!MINI_FAST_TLS_GET (mono_lmf_addr)) {
2596 mono_thread_attach (domain);
2599 if (!TlsGetValue (mono_jit_tls_id))
2600 mono_thread_attach (domain);
2602 if (mono_domain_get () != domain)
2603 mono_domain_set (domain, TRUE);
2607 * mono_thread_abort:
2608 * @obj: exception object
2610 * abort the thread, print exception information and stack trace
2613 mono_thread_abort (MonoObject *obj)
2615 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2617 /* handle_remove should be eventually called for this thread, too
2620 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2621 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2622 mono_thread_exit ();
2624 exit (mono_environment_exitcode_get ());
2629 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2631 MonoJitTlsData *jit_tls;
2634 jit_tls = TlsGetValue (mono_jit_tls_id);
2638 jit_tls = g_new0 (MonoJitTlsData, 1);
2640 jit_tls->abort_func = abort_func;
2641 jit_tls->end_of_stack = stack_start;
2643 mono_set_jit_tls (jit_tls);
2645 lmf = g_new0 (MonoLMF, 1);
2646 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2648 jit_tls->first_lmf = lmf;
2650 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2651 /* jit_tls->lmf is unused */
2652 MINI_FAST_TLS_SET (mono_lmf, lmf);
2653 mono_set_lmf_addr (&mono_lmf);
2655 mono_set_lmf_addr (&jit_tls->lmf);
2660 mono_arch_setup_jit_tls_data (jit_tls);
2661 mono_setup_altstack (jit_tls);
2667 free_jit_tls_data (MonoJitTlsData *jit_tls)
2669 mono_arch_free_jit_tls_data (jit_tls);
2670 mono_free_altstack (jit_tls);
2672 g_free (jit_tls->first_lmf);
2677 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2679 MonoInternalThread *thread;
2680 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2681 thread = mono_thread_internal_current ();
2682 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2684 thread->jit_data = jit_tls;
2686 mono_arch_cpu_init ();
2689 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2692 mono_thread_abort_dummy (MonoObject *obj)
2694 if (mono_thread_attach_aborted_cb)
2695 mono_thread_attach_aborted_cb (obj);
2697 mono_thread_abort (obj);
2701 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2703 MonoInternalThread *thread;
2704 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2705 thread = mono_thread_internal_current ();
2706 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2708 thread->jit_data = jit_tls;
2709 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2710 mono_runtime_setup_stat_profiler ();
2712 mono_arch_cpu_init ();
2716 mini_thread_cleanup (MonoInternalThread *thread)
2718 MonoJitTlsData *jit_tls = thread->jit_data;
2721 mono_debugger_thread_cleanup (jit_tls);
2723 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2724 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2725 * not a trivial thing.
2727 * The current offender is mono_thread_manage which cleanup threads from the outside.
2729 if (thread == mono_thread_internal_current ()) {
2730 mono_set_lmf (NULL);
2731 mono_set_jit_tls (NULL);
2732 mono_set_lmf_addr (NULL);
2735 free_jit_tls_data (jit_tls);
2737 thread->jit_data = NULL;
2742 mono_create_tls_get (MonoCompile *cfg, int offset)
2744 #ifdef MONO_ARCH_HAVE_TLS_GET
2745 if (MONO_ARCH_HAVE_TLS_GET) {
2751 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2752 ins->dreg = mono_alloc_preg (cfg);
2753 ins->inst_offset = offset;
2761 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2763 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2767 mono_get_domain_intrinsic (MonoCompile* cfg)
2769 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2773 mono_get_thread_intrinsic (MonoCompile* cfg)
2775 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2779 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2781 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2785 ji->data.target = target;
2786 ji->next = cfg->patch_info;
2788 cfg->patch_info = ji;
2792 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2794 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2798 ji->data.target = target;
2805 mono_remove_patch_info (MonoCompile *cfg, int ip)
2807 MonoJumpInfo **ji = &cfg->patch_info;
2810 if ((*ji)->ip.i == ip)
2813 ji = &((*ji)->next);
2818 * mono_patch_info_dup_mp:
2820 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2823 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2825 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2826 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2828 switch (patch_info->type) {
2829 case MONO_PATCH_INFO_RVA:
2830 case MONO_PATCH_INFO_LDSTR:
2831 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2832 case MONO_PATCH_INFO_LDTOKEN:
2833 case MONO_PATCH_INFO_DECLSEC:
2834 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2835 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2837 case MONO_PATCH_INFO_SWITCH:
2838 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2839 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2840 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2841 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2843 case MONO_PATCH_INFO_RGCTX_FETCH:
2844 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2845 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2846 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2856 mono_patch_info_hash (gconstpointer data)
2858 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2861 case MONO_PATCH_INFO_RVA:
2862 case MONO_PATCH_INFO_LDSTR:
2863 case MONO_PATCH_INFO_LDTOKEN:
2864 case MONO_PATCH_INFO_DECLSEC:
2865 return (ji->type << 8) | ji->data.token->token;
2866 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2867 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
2868 case MONO_PATCH_INFO_INTERNAL_METHOD:
2869 return (ji->type << 8) | g_str_hash (ji->data.name);
2870 case MONO_PATCH_INFO_VTABLE:
2871 case MONO_PATCH_INFO_CLASS:
2872 case MONO_PATCH_INFO_IID:
2873 case MONO_PATCH_INFO_ADJUSTED_IID:
2874 case MONO_PATCH_INFO_CLASS_INIT:
2875 case MONO_PATCH_INFO_METHODCONST:
2876 case MONO_PATCH_INFO_METHOD:
2877 case MONO_PATCH_INFO_METHOD_JUMP:
2878 case MONO_PATCH_INFO_IMAGE:
2879 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2880 case MONO_PATCH_INFO_FIELD:
2881 case MONO_PATCH_INFO_SFLDA:
2882 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2883 return (ji->type << 8) | (gssize)ji->data.target;
2885 return (ji->type << 8);
2890 * mono_patch_info_equal:
2892 * This might fail to recognize equivalent patches, i.e. floats, so its only
2893 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2897 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2899 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2900 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2902 if (ji1->type != ji2->type)
2905 switch (ji1->type) {
2906 case MONO_PATCH_INFO_RVA:
2907 case MONO_PATCH_INFO_LDSTR:
2908 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2909 case MONO_PATCH_INFO_LDTOKEN:
2910 case MONO_PATCH_INFO_DECLSEC:
2911 if ((ji1->data.token->image != ji2->data.token->image) ||
2912 (ji1->data.token->token != ji2->data.token->token) ||
2913 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2914 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2915 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2918 case MONO_PATCH_INFO_INTERNAL_METHOD:
2919 return g_str_equal (ji1->data.name, ji2->data.name);
2921 case MONO_PATCH_INFO_RGCTX_FETCH: {
2922 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2923 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2925 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);
2928 if (ji1->data.target != ji2->data.target)
2937 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2939 unsigned char *ip = patch_info->ip.i + code;
2940 gconstpointer target = NULL;
2942 switch (patch_info->type) {
2943 case MONO_PATCH_INFO_BB:
2945 * FIXME: This could be hit for methods without a prolog. Should use -1
2946 * but too much code depends on a 0 initial value.
2948 //g_assert (patch_info->data.bb->native_offset);
2949 target = patch_info->data.bb->native_offset + code;
2951 case MONO_PATCH_INFO_ABS:
2952 target = patch_info->data.target;
2954 case MONO_PATCH_INFO_LABEL:
2955 target = patch_info->data.inst->inst_c0 + code;
2957 case MONO_PATCH_INFO_IP:
2958 #if defined(__native_client__) && defined(__native_client_codegen__)
2959 /* Need to transform to the destination address, it's */
2960 /* emitted as an immediate in the code. */
2961 target = nacl_inverse_modify_patch_target(ip);
2966 case MONO_PATCH_INFO_METHOD_REL:
2967 target = code + patch_info->data.offset;
2969 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2970 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2972 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2973 g_assert_not_reached ();
2975 target = mono_icall_get_wrapper (mi);
2978 case MONO_PATCH_INFO_METHOD_JUMP:
2979 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2980 #if defined(__native_client__) && defined(__native_client_codegen__)
2981 #if defined(TARGET_AMD64)
2982 /* This target is an absolute address, not relative to the */
2983 /* current code being emitted on AMD64. */
2984 target = nacl_inverse_modify_patch_target(target);
2988 case MONO_PATCH_INFO_METHOD:
2989 if (patch_info->data.method == method) {
2992 /* get the trampoline to the method from the domain */
2993 target = mono_create_jit_trampoline (patch_info->data.method);
2996 case MONO_PATCH_INFO_SWITCH: {
2997 gpointer *jump_table;
3000 #if defined(__native_client__) && defined(__native_client_codegen__)
3001 /* This memory will leak, but we don't care if we're */
3002 /* not deleting JIT'd methods anyway */
3003 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3005 if (method && method->dynamic) {
3006 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3008 if (mono_aot_only) {
3009 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3011 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3016 for (i = 0; i < patch_info->data.table->table_size; i++) {
3017 #if defined(__native_client__) && defined(__native_client_codegen__)
3018 /* 'code' is relative to the current code blob, we */
3019 /* need to do this transform on it to make the */
3020 /* pointers in this table absolute */
3021 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3023 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3027 #if defined(__native_client__) && defined(__native_client_codegen__)
3028 /* jump_table is in the data section, we need to transform */
3029 /* it here so when it gets modified in amd64_patch it will */
3030 /* then point back to the absolute data address */
3031 target = nacl_inverse_modify_patch_target (jump_table);
3033 target = jump_table;
3037 case MONO_PATCH_INFO_METHODCONST:
3038 case MONO_PATCH_INFO_CLASS:
3039 case MONO_PATCH_INFO_IMAGE:
3040 case MONO_PATCH_INFO_FIELD:
3041 target = patch_info->data.target;
3043 case MONO_PATCH_INFO_IID:
3044 mono_class_init (patch_info->data.klass);
3045 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3047 case MONO_PATCH_INFO_ADJUSTED_IID:
3048 mono_class_init (patch_info->data.klass);
3049 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3051 case MONO_PATCH_INFO_VTABLE:
3052 target = mono_class_vtable (domain, patch_info->data.klass);
3055 case MONO_PATCH_INFO_CLASS_INIT: {
3056 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3059 target = mono_create_class_init_trampoline (vtable);
3062 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3063 target = mono_create_delegate_trampoline (patch_info->data.klass);
3065 case MONO_PATCH_INFO_SFLDA: {
3066 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3068 if (mono_class_field_is_special_static (patch_info->data.field)) {
3069 gpointer addr = NULL;
3071 mono_domain_lock (domain);
3072 if (domain->special_static_fields)
3073 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3074 mono_domain_unlock (domain);
3080 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3081 /* Done by the generated code */
3085 mono_runtime_class_init (vtable);
3087 target = (char*)vtable->data + patch_info->data.field->offset;
3090 case MONO_PATCH_INFO_RVA: {
3091 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3094 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3095 target = mono_image_rva_map (patch_info->data.token->image, rva);
3098 case MONO_PATCH_INFO_R4:
3099 case MONO_PATCH_INFO_R8:
3100 target = patch_info->data.target;
3102 case MONO_PATCH_INFO_EXC_NAME:
3103 target = patch_info->data.name;
3105 case MONO_PATCH_INFO_LDSTR:
3107 mono_ldstr (domain, patch_info->data.token->image,
3108 mono_metadata_token_index (patch_info->data.token->token));
3110 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3112 MonoClass *handle_class;
3114 handle = mono_ldtoken (patch_info->data.token->image,
3115 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3116 mono_class_init (handle_class);
3117 mono_class_init (mono_class_from_mono_type (handle));
3120 mono_type_get_object (domain, handle);
3123 case MONO_PATCH_INFO_LDTOKEN: {
3125 MonoClass *handle_class;
3127 handle = mono_ldtoken (patch_info->data.token->image,
3128 patch_info->data.token->token, &handle_class, NULL);
3129 mono_class_init (handle_class);
3134 case MONO_PATCH_INFO_DECLSEC:
3135 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3137 case MONO_PATCH_INFO_ICALL_ADDR:
3138 /* run_cctors == 0 -> AOT */
3139 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3141 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
3143 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));
3148 target = mono_lookup_internal_call (patch_info->data.method);
3150 if (!target && run_cctors)
3151 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3154 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3155 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3157 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3158 g_assert_not_reached ();
3163 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3164 target = mono_thread_interruption_request_flag ();
3166 case MONO_PATCH_INFO_METHOD_RGCTX: {
3167 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3170 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3173 case MONO_PATCH_INFO_BB_OVF:
3174 case MONO_PATCH_INFO_EXC_OVF:
3175 case MONO_PATCH_INFO_GOT_OFFSET:
3176 case MONO_PATCH_INFO_NONE:
3178 case MONO_PATCH_INFO_RGCTX_FETCH: {
3179 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3182 switch (entry->data->type) {
3183 case MONO_PATCH_INFO_CLASS:
3184 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));
3186 case MONO_PATCH_INFO_METHOD:
3187 case MONO_PATCH_INFO_METHODCONST:
3188 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));
3190 case MONO_PATCH_INFO_FIELD:
3191 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));
3194 g_assert_not_reached ();
3198 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3201 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3202 target = mono_create_generic_class_init_trampoline ();
3204 case MONO_PATCH_INFO_MONITOR_ENTER:
3205 target = mono_create_monitor_enter_trampoline ();
3207 case MONO_PATCH_INFO_MONITOR_EXIT:
3208 target = mono_create_monitor_exit_trampoline ();
3210 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3211 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3213 /* AOT, not needed */
3216 target = mono_arch_get_seq_point_info (domain, code);
3219 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3220 #ifdef MONO_ARCH_LLVM_SUPPORTED
3221 g_assert (mono_use_llvm);
3222 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3224 g_assert_not_reached ();
3227 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3228 int card_table_shift_bits;
3229 gpointer card_table_mask;
3231 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3234 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3235 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3239 g_assert_not_reached ();
3242 return (gpointer)target;
3246 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3248 ins->inst_offset = native_offset;
3249 g_ptr_array_add (cfg->seq_points, ins);
3250 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3251 bb->last_seq_point = ins;
3257 mono_compile_create_vars (MonoCompile *cfg)
3259 MonoMethodSignature *sig;
3260 MonoMethodHeader *header;
3263 header = cfg->header;
3265 sig = mono_method_signature (cfg->method);
3267 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3268 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3269 /* Inhibit optimizations */
3270 cfg->ret->flags |= MONO_INST_VOLATILE;
3272 if (cfg->verbose_level > 2)
3273 g_print ("creating vars\n");
3275 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3278 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3280 for (i = 0; i < sig->param_count; ++i) {
3281 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3284 if (cfg->verbose_level > 2) {
3286 printf ("\treturn : ");
3287 mono_print_ins (cfg->ret);
3291 printf ("\tthis: ");
3292 mono_print_ins (cfg->args [0]);
3295 for (i = 0; i < sig->param_count; ++i) {
3296 printf ("\targ [%d]: ", i);
3297 mono_print_ins (cfg->args [i + sig->hasthis]);
3301 cfg->locals_start = cfg->num_varinfo;
3302 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3304 if (cfg->verbose_level > 2)
3305 g_print ("creating locals\n");
3307 for (i = 0; i < header->num_locals; ++i)
3308 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3310 if (cfg->verbose_level > 2)
3311 g_print ("locals done\n");
3313 mono_arch_create_vars (cfg);
3316 #endif /* #ifndef DISABLE_JIT */
3319 mono_print_code (MonoCompile *cfg, const char* msg)
3323 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3324 mono_print_bb (bb, msg);
3330 mono_postprocess_patches (MonoCompile *cfg)
3332 MonoJumpInfo *patch_info;
3335 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3336 switch (patch_info->type) {
3337 case MONO_PATCH_INFO_ABS: {
3338 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3341 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3345 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3346 // FIXME: CLEAN UP THIS MESS.
3347 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
3348 strstr (cfg->method->name, info->name)) {
3350 * This is an icall wrapper, and this is a call to the
3353 if (cfg->compile_aot) {
3354 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
3355 patch_info->data.name = info->name;
3358 /* for these array methods we currently register the same function pointer
3359 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3360 * will return the incorrect one depending on the order they are registered.
3361 * See tests/test-arr.cs
3363 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3364 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3365 patch_info->data.name = info->name;
3370 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3371 if (cfg->abs_patches) {
3372 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3374 patch_info->type = abs_ji->type;
3375 patch_info->data.target = abs_ji->data.target;
3382 case MONO_PATCH_INFO_SWITCH: {
3384 #if defined(__native_client__) && defined(__native_client_codegen__)
3385 /* This memory will leak. */
3386 /* TODO: can we free this when */
3387 /* making the final jump table? */
3388 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3390 if (cfg->method->dynamic) {
3391 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3393 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3397 for (i = 0; i < patch_info->data.table->table_size; i++) {
3398 /* Might be NULL if the switch is eliminated */
3399 if (patch_info->data.table->table [i]) {
3400 g_assert (patch_info->data.table->table [i]->native_offset);
3401 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3406 patch_info->data.table->table = (MonoBasicBlock**)table;
3409 case MONO_PATCH_INFO_METHOD_JUMP: {
3410 MonoJumpList *jlist;
3411 MonoDomain *domain = cfg->domain;
3412 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3413 #if defined(__native_client__) && defined(__native_client_codegen__)
3414 /* When this jump target gets evaluated, the method */
3415 /* will be installed in the dynamic code section, */
3416 /* not at the location of cfg->native_code. */
3417 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3420 mono_domain_lock (domain);
3421 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3423 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3424 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3426 jlist->list = g_slist_prepend (jlist->list, ip);
3427 mono_domain_unlock (domain);
3438 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3441 MonoBasicBlock *in_bb;
3443 for (i = 0; i < bb->in_count; ++i) {
3444 in_bb = bb->in_bb [i];
3446 if (in_bb->last_seq_point) {
3447 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));
3449 /* Have to look at its predecessors */
3451 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3457 mono_save_seq_point_info (MonoCompile *cfg)
3460 GSList *bb_seq_points, *l;
3462 MonoDomain *domain = cfg->domain;
3464 MonoSeqPointInfo *info;
3467 if (!cfg->seq_points)
3470 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3471 info->len = cfg->seq_points->len;
3472 for (i = 0; i < cfg->seq_points->len; ++i) {
3473 SeqPoint *sp = &info->seq_points [i];
3474 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3476 sp->il_offset = ins->inst_imm;
3477 sp->native_offset = ins->inst_offset;
3480 ins->backend.size = i;
3484 * For each sequence point, compute the list of sequence points immediately
3485 * following it, this is needed to implement 'step over' in the debugger agent.
3487 next = g_new0 (GSList*, cfg->seq_points->len);
3488 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3489 bb_seq_points = g_slist_reverse (bb->seq_points);
3491 for (l = bb_seq_points; l; l = l->next) {
3492 MonoInst *ins = l->data;
3494 if (!(ins->flags & MONO_INST_SINGLE_STEP_LOC))
3498 /* Link with the previous seq point in the same bb */
3499 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3501 /* Link with the last bb in the previous bblocks */
3502 collect_pred_seq_points (bb, ins, next, 0);
3509 if (cfg->verbose_level > 2) {
3510 printf ("\nSEQ POINT MAP: \n");
3513 for (i = 0; i < cfg->seq_points->len; ++i) {
3514 SeqPoint *sp = &info->seq_points [i];
3518 sp->next_len = g_slist_length (next [i]);
3519 sp->next = g_new (int, sp->next_len);
3521 if (cfg->verbose_level > 2 && next [i]) {
3522 printf ("\t0x%x ->", sp->il_offset);
3523 for (l = next [i]; l; l = l->next) {
3524 next_index = GPOINTER_TO_UINT (l->data);
3525 printf (" 0x%x", info->seq_points [next_index].il_offset);
3529 for (l = next [i]; l; l = l->next) {
3530 next_index = GPOINTER_TO_UINT (l->data);
3531 sp->next [j ++] = next_index;
3533 g_slist_free (next [i]);
3537 cfg->seq_point_info = info;
3539 // FIXME: dynamic methods
3540 if (!cfg->compile_aot) {
3541 mono_domain_lock (domain);
3542 // FIXME: How can the lookup succeed ?
3543 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3544 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3545 mono_domain_unlock (domain);
3548 g_ptr_array_free (cfg->seq_points, TRUE);
3549 cfg->seq_points = NULL;
3553 mono_codegen (MonoCompile *cfg)
3556 int max_epilog_size;
3558 MonoDomain *code_domain;
3560 if (mono_using_xdebug)
3562 * Recent gdb versions have trouble processing symbol files containing
3563 * overlapping address ranges, so allocate all code from the code manager
3564 * of the root domain. (#666152).
3566 code_domain = mono_get_root_domain ();
3568 code_domain = cfg->domain;
3570 #if defined(__native_client_codegen__) && defined(__native_client__)
3573 /* This keeps patch targets from being transformed during
3574 * ordinary method compilation, for local branches and jumps.
3576 nacl_allow_target_modification (FALSE);
3579 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3580 cfg->spill_count = 0;
3581 /* we reuse dfn here */
3582 /* bb->dfn = bb_count++; */
3584 mono_arch_lowering_pass (cfg, bb);
3586 if (cfg->opt & MONO_OPT_PEEPHOLE)
3587 mono_arch_peephole_pass_1 (cfg, bb);
3590 mono_local_regalloc (cfg, bb);
3592 if (cfg->opt & MONO_OPT_PEEPHOLE)
3593 mono_arch_peephole_pass_2 (cfg, bb);
3596 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3597 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3599 code = mono_arch_emit_prolog (cfg);
3601 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3602 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3604 cfg->code_len = code - cfg->native_code;
3605 cfg->prolog_end = cfg->code_len;
3607 mono_debug_open_method (cfg);
3609 /* emit code all basic blocks */
3610 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3611 bb->native_offset = cfg->code_len;
3612 bb->real_native_offset = cfg->code_len;
3613 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3614 mono_arch_output_basic_block (cfg, bb);
3615 bb->native_length = cfg->code_len - bb->native_offset;
3617 if (bb == cfg->bb_exit) {
3618 cfg->epilog_begin = cfg->code_len;
3620 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3621 code = cfg->native_code + cfg->code_len;
3622 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3623 cfg->code_len = code - cfg->native_code;
3624 g_assert (cfg->code_len < cfg->code_size);
3627 mono_arch_emit_epilog (cfg);
3631 #ifdef __native_client_codegen__
3632 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3634 mono_arch_emit_exceptions (cfg);
3636 max_epilog_size = 0;
3638 code = cfg->native_code + cfg->code_len;
3640 /* we always allocate code in cfg->domain->code_mp to increase locality */
3641 cfg->code_size = cfg->code_len + max_epilog_size;
3642 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3644 if (cfg->method->dynamic) {
3645 guint unwindlen = 0;
3646 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3647 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3649 /* Allocate the code into a separate memory pool so it can be freed */
3650 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3651 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3652 mono_domain_lock (cfg->domain);
3653 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3654 mono_domain_unlock (cfg->domain);
3656 if (mono_using_xdebug)
3657 /* See the comment for cfg->code_domain */
3658 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3660 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3662 guint unwindlen = 0;
3663 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3664 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3666 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3668 #if defined(__native_client_codegen__) && defined(__native_client__)
3669 nacl_allow_target_modification (TRUE);
3672 memcpy (code, cfg->native_code, cfg->code_len);
3673 #if defined(__default_codegen__)
3674 g_free (cfg->native_code);
3675 #elif defined(__native_client_codegen__)
3676 if (cfg->native_code_alloc) {
3677 g_free (cfg->native_code_alloc);
3678 cfg->native_code_alloc = 0;
3680 else if (cfg->native_code) {
3681 g_free (cfg->native_code);
3683 #endif /* __native_client_codegen__ */
3684 cfg->native_code = code;
3685 code = cfg->native_code + cfg->code_len;
3687 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3688 mono_postprocess_patches (cfg);
3690 #ifdef VALGRIND_JIT_REGISTER_MAP
3691 if (valgrind_register){
3692 char* nm = mono_method_full_name (cfg->method, TRUE);
3693 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3698 if (cfg->verbose_level > 0) {
3699 char* nm = mono_method_full_name (cfg->method, TRUE);
3700 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3702 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3707 gboolean is_generic = FALSE;
3709 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3710 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3714 if (cfg->generic_sharing_context)
3715 g_assert (is_generic);
3718 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3719 mono_arch_save_unwind_info (cfg);
3722 #if defined(__native_client_codegen__) && defined(__native_client__)
3723 if (!cfg->compile_aot) {
3724 if (cfg->method->dynamic) {
3725 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
3727 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
3732 #if defined(__native_client_codegen__)
3733 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3736 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);
3738 if (cfg->method->dynamic) {
3739 if (mono_using_xdebug)
3740 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3742 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3744 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3746 #if defined(__native_client_codegen__) && defined(__native_client__)
3747 cfg->native_code = code_dest;
3749 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3751 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3753 mono_debug_close_method (cfg);
3755 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3756 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3761 compute_reachable (MonoBasicBlock *bb)
3765 if (!(bb->flags & BB_VISITED)) {
3766 bb->flags |= BB_VISITED;
3767 for (i = 0; i < bb->out_count; ++i)
3768 compute_reachable (bb->out_bb [i]);
3773 mono_handle_out_of_line_bblock (MonoCompile *cfg)
3776 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3777 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
3779 MONO_INST_NEW (cfg, ins, OP_BR);
3780 MONO_ADD_INS (bb, ins);
3781 ins->inst_target_bb = bb->next_bb;
3787 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3790 MonoMethodHeader *header;
3793 int generic_info_size;
3794 int holes_size = 0, num_holes = 0;
3796 g_assert (method_to_compile == cfg->method);
3797 header = cfg->header;
3799 if (cfg->generic_sharing_context)
3800 generic_info_size = sizeof (MonoGenericJitInfo);
3802 generic_info_size = 0;
3804 if (cfg->try_block_holes) {
3805 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3806 TryBlockHole *hole = tmp->data;
3807 MonoExceptionClause *ec = hole->clause;
3808 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
3809 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3810 g_assert (clause_last_bb);
3812 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3813 if (clause_last_bb->native_offset != hole_end)
3817 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
3818 if (G_UNLIKELY (cfg->verbose_level >= 4))
3819 printf ("Number of try block holes %d\n", num_holes);
3822 if (COMPILE_LLVM (cfg))
3823 num_clauses = cfg->llvm_ex_info_len;
3825 num_clauses = header->num_clauses;
3827 if (cfg->method->dynamic) {
3828 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
3829 generic_info_size + holes_size);
3831 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3832 (num_clauses * sizeof (MonoJitExceptionInfo)) +
3833 generic_info_size + holes_size);
3836 jinfo->method = cfg->method_to_register;
3837 jinfo->code_start = cfg->native_code;
3838 jinfo->code_size = cfg->code_len;
3839 jinfo->used_regs = cfg->used_int_regs;
3840 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3841 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3842 jinfo->num_clauses = num_clauses;
3843 if (COMPILE_LLVM (cfg))
3844 jinfo->from_llvm = TRUE;
3846 if (cfg->generic_sharing_context) {
3848 MonoGenericJitInfo *gi;
3850 jinfo->has_generic_jit_info = 1;
3852 gi = mono_jit_info_get_generic_jit_info (jinfo);
3855 gi->generic_sharing_context = cfg->generic_sharing_context;
3857 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3858 mini_method_get_context (method_to_compile)->method_inst ||
3859 method_to_compile->klass->valuetype) {
3860 g_assert (cfg->rgctx_var);
3865 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3866 mini_method_get_context (method_to_compile)->method_inst ||
3867 method_to_compile->klass->valuetype) {
3868 inst = cfg->rgctx_var;
3869 if (!COMPILE_LLVM (cfg))
3870 g_assert (inst->opcode == OP_REGOFFSET);
3872 inst = cfg->args [0];
3875 if (COMPILE_LLVM (cfg)) {
3876 g_assert (cfg->llvm_this_reg != -1);
3877 gi->this_in_reg = 0;
3878 gi->this_reg = cfg->llvm_this_reg;
3879 gi->this_offset = cfg->llvm_this_offset;
3880 } else if (inst->opcode == OP_REGVAR) {
3881 gi->this_in_reg = 1;
3882 gi->this_reg = inst->dreg;
3884 g_assert (inst->opcode == OP_REGOFFSET);
3886 g_assert (inst->inst_basereg == X86_EBP);
3887 #elif defined(TARGET_AMD64)
3888 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3890 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3892 gi->this_in_reg = 0;
3893 gi->this_reg = inst->inst_basereg;
3894 gi->this_offset = inst->inst_offset;
3899 MonoTryBlockHoleTableJitInfo *table;
3902 jinfo->has_try_block_holes = 1;
3903 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
3904 table->num_holes = (guint16)num_holes;
3906 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3907 guint32 start_bb_offset;
3908 MonoTryBlockHoleJitInfo *hole;
3909 TryBlockHole *hole_data = tmp->data;
3910 MonoExceptionClause *ec = hole_data->clause;
3911 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
3912 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3913 g_assert (clause_last_bb);
3915 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3916 if (clause_last_bb->native_offset == hole_end)
3919 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
3920 hole = &table->holes [i++];
3921 hole->clause = hole_data->clause - &header->clauses [0];
3922 hole->offset = (guint32)hole_data->start_offset;
3923 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
3925 if (G_UNLIKELY (cfg->verbose_level >= 4))
3926 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
3928 g_assert (i == num_holes);
3931 if (COMPILE_LLVM (cfg)) {
3933 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
3934 } else if (header->num_clauses) {
3937 for (i = 0; i < header->num_clauses; i++) {
3938 MonoExceptionClause *ec = &header->clauses [i];
3939 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3940 MonoBasicBlock *tblock;
3943 ei->flags = ec->flags;
3945 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3946 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3948 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3949 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3951 ei->data.filter = cfg->native_code + tblock->native_offset;
3953 ei->data.catch_class = ec->data.catch_class;
3956 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3958 g_assert (tblock->native_offset);
3959 ei->try_start = cfg->native_code + tblock->native_offset;
3960 if (tblock->extend_try_block) {
3962 * Extend the try block backwards to include parts of the previous call
3965 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
3967 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3969 if (!tblock->native_offset) {
3971 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
3972 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
3973 if (bb && bb->native_offset) {
3979 ei->try_end = cfg->native_code + tblock->native_offset;
3980 g_assert (tblock->native_offset);
3981 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3983 ei->handler_start = cfg->native_code + tblock->native_offset;
3985 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3986 TryBlockHole *hole = tmp->data;
3987 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
3988 if (hole->clause == ec && hole_end == ei->try_end) {
3989 if (G_UNLIKELY (cfg->verbose_level >= 4))
3990 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
3992 ei->try_end = cfg->native_code + hole->start_offset;
3997 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
3999 if (ec->handler_offset + ec->handler_len < header->code_size) {
4000 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4002 end_offset = tblock->native_offset;
4004 end_offset = cfg->epilog_begin;
4006 ei->data.handler_end = cfg->native_code + end_offset;
4011 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4013 for (i = 0; i < jinfo->num_clauses; i++) {
4014 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4015 int start = (guint8*)ei->try_start - cfg->native_code;
4016 int end = (guint8*)ei->try_end - cfg->native_code;
4017 int handler = (guint8*)ei->handler_start - cfg->native_code;
4019 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
4024 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4025 * using it during runtime, hence the define.
4027 #ifdef MONO_ARCH_HAVE_XP_UNWIND
4028 if (cfg->encoded_unwind_ops) {
4029 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4030 g_free (cfg->encoded_unwind_ops);
4031 } else if (cfg->unwind_ops) {
4033 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4035 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4036 g_free (unwind_info);
4045 * mini_get_shared_method:
4047 * Return the method which is actually compiled/registered when doing generic sharing.
4050 mini_get_shared_method (MonoMethod *method)
4052 MonoGenericContext shared_context;
4053 MonoMethod *declaring_method, *res;
4055 gboolean partial = FALSE;
4057 if (method->is_generic || method->klass->generic_container)
4058 declaring_method = method;
4060 declaring_method = mono_method_get_declaring_generic_method (method);
4062 if (declaring_method->is_generic)
4063 shared_context = mono_method_get_generic_container (declaring_method)->context;
4065 shared_context = declaring_method->klass->generic_container->context;
4067 /* Handle partial sharing */
4068 if (method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE)) {
4069 MonoGenericContext *context = mono_method_get_context (method);
4070 MonoGenericInst *inst;
4071 MonoType **type_argv;
4074 * Create the shared context by replacing the ref type arguments with
4075 * type parameters, and keeping the rest.
4078 inst = context->class_inst;
4080 type_argv = g_new0 (MonoType*, inst->type_argc);
4081 for (i = 0; i < inst->type_argc; ++i) {
4082 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)
4083 type_argv [i] = shared_context.class_inst->type_argv [i];
4085 type_argv [i] = inst->type_argv [i];
4088 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4092 inst = context->method_inst;
4094 type_argv = g_new0 (MonoType*, inst->type_argc);
4095 for (i = 0; i < inst->type_argc; ++i) {
4096 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)
4097 type_argv [i] = shared_context.method_inst->type_argv [i];
4099 type_argv [i] = inst->type_argv [i];
4102 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4107 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4109 /* The result should be an inflated method whose parent is not inflated */
4110 g_assert (!res->klass->is_inflated);
4117 * mini_method_compile:
4118 * @method: the method to compile
4119 * @opts: the optimization flags to use
4120 * @domain: the domain where the method will be compiled in
4121 * @run_cctors: whether we should run type ctors if possible
4122 * @compile_aot: whether this is an AOT compilation
4123 * @parts: debug flag
4125 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4126 * field in the returned struct to see if compilation succeded.
4129 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4131 MonoMethodHeader *header;
4132 MonoMethodSignature *sig;
4136 int dfn, i, code_size_ratio;
4137 gboolean deadce_has_run = FALSE;
4138 gboolean try_generic_shared, try_llvm = FALSE;
4139 MonoMethod *method_to_compile, *method_to_register;
4141 mono_jit_stats.methods_compiled++;
4142 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4143 mono_profiler_method_jit (method);
4144 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
4145 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4149 * We might get passed the original generic method definition or
4150 * instances with type parameters.
4151 * FIXME: Remove the method->klass->generic_class limitation.
4153 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4154 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl (method, TRUE)));
4156 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4157 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
4159 if (opts & MONO_OPT_GSHARED) {
4160 if (try_generic_shared)
4161 mono_stats.generics_sharable_methods++;
4162 else if (mono_method_is_generic_impl (method))
4163 mono_stats.generics_unsharable_methods++;
4167 try_llvm = mono_use_llvm;
4171 if (try_generic_shared) {
4172 method_to_compile = mini_get_shared_method (method);
4173 g_assert (method_to_compile);
4175 method_to_compile = method;
4178 cfg = g_new0 (MonoCompile, 1);
4179 cfg->method = method_to_compile;
4180 cfg->header = mono_method_get_header (cfg->method);
4181 cfg->mempool = mono_mempool_new ();
4183 cfg->prof_options = mono_profiler_get_events ();
4184 cfg->run_cctors = run_cctors;
4185 cfg->domain = domain;
4186 cfg->verbose_level = mini_verbose;
4187 cfg->compile_aot = compile_aot;
4188 cfg->skip_visibility = method->skip_visibility;
4189 cfg->orig_method = method;
4190 cfg->gen_seq_points = debug_options.gen_seq_points;
4191 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4192 if (try_generic_shared)
4193 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
4194 cfg->compile_llvm = try_llvm;
4195 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4197 if (cfg->gen_seq_points)
4198 cfg->seq_points = g_ptr_array_new ();
4200 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
4201 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4205 if (cfg->generic_sharing_context) {
4206 method_to_register = method_to_compile;
4208 g_assert (method == method_to_compile);
4209 method_to_register = method;
4211 cfg->method_to_register = method_to_register;
4213 mono_error_init (&err);
4214 sig = mono_method_signature_checked (cfg->method, &err);
4216 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4217 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4218 mono_error_cleanup (&err);
4219 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4220 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4224 header = cfg->header;
4226 MonoLoaderError *error;
4228 if ((error = mono_loader_get_last_error ())) {
4229 cfg->exception_type = error->exception_type;
4231 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4232 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4234 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4235 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4241 static gboolean inited;
4248 * Check for methods which cannot be compiled by LLVM early, to avoid
4249 * the extra compilation pass.
4251 if (COMPILE_LLVM (cfg)) {
4252 mono_llvm_check_method_supported (cfg);
4253 if (cfg->disable_llvm) {
4254 if (cfg->verbose_level >= 1) {
4255 //nm = mono_method_full_name (cfg->method, TRUE);
4256 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4259 mono_destroy_compile (cfg);
4261 goto restart_compile;
4267 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4268 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4269 cfg->disable_reuse_registers = TRUE;
4270 cfg->disable_reuse_stack_slots = TRUE;
4272 * This decreases the change the debugger will read registers/stack slots which are
4273 * not yet initialized.
4275 cfg->disable_initlocals_opt = TRUE;
4277 cfg->extend_live_ranges = TRUE;
4279 /* Temporarily disable this when running in the debugger until we have support
4280 * for this in the debugger. */
4281 cfg->disable_omit_fp = TRUE;
4283 /* The debugger needs all locals to be on the stack or in a global register */
4284 cfg->disable_vreg_to_lvreg = TRUE;
4286 /* Don't remove unused variables when running inside the debugger since the user
4287 * may still want to view them. */
4288 cfg->disable_deadce_vars = TRUE;
4290 // cfg->opt |= MONO_OPT_SHARED;
4291 cfg->opt &= ~MONO_OPT_DEADCE;
4292 cfg->opt &= ~MONO_OPT_INLINE;
4293 cfg->opt &= ~MONO_OPT_COPYPROP;
4294 cfg->opt &= ~MONO_OPT_CONSPROP;
4295 cfg->opt &= ~MONO_OPT_GSHARED;
4297 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4298 cfg->disable_out_of_line_bblocks = TRUE;
4301 if (mono_using_xdebug) {
4303 * Make each variable use its own register/stack slot and extend
4304 * their liveness to cover the whole method, making them displayable
4305 * in gdb even after they are dead.
4307 cfg->disable_reuse_registers = TRUE;
4308 cfg->disable_reuse_stack_slots = TRUE;
4309 cfg->extend_live_ranges = TRUE;
4310 cfg->compute_precise_live_ranges = TRUE;
4313 mini_gc_init_cfg (cfg);
4315 if (COMPILE_LLVM (cfg)) {
4316 cfg->opt |= MONO_OPT_ABCREM;
4319 if (getenv ("MONO_VERBOSE_METHOD")) {
4320 char *name = getenv ("MONO_VERBOSE_METHOD");
4322 if ((strchr (name, '.') > name) || strchr (name, ':')) {
4323 MonoMethodDesc *desc;
4325 desc = mono_method_desc_new (name, TRUE);
4326 if (mono_method_desc_full_match (desc, cfg->method)) {
4327 cfg->verbose_level = 4;
4329 mono_method_desc_free (desc);
4331 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
4332 cfg->verbose_level = 4;
4336 ip = (guint8 *)header->code;
4338 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
4340 if (cfg->verbose_level > 0) {
4342 if (COMPILE_LLVM (cfg))
4343 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
4344 else if (cfg->generic_sharing_context)
4345 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4347 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
4348 g_free (method_name);
4351 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
4352 cfg->opt |= MONO_OPT_SSA;
4355 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")))
4356 cfg->globalra = TRUE;
4359 //cfg->globalra = TRUE;
4361 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
4362 // cfg->globalra = TRUE;
4365 static int count = 0;
4369 if (getenv ("COUNT2")) {
4370 cfg->globalra = TRUE;
4371 if (count == atoi (getenv ("COUNT2")))
4372 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
4373 if (count > atoi (getenv ("COUNT2")))
4374 cfg->globalra = FALSE;
4379 if (header->clauses)
4380 cfg->globalra = FALSE;
4382 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4383 /* The code in the prolog clobbers caller saved registers */
4384 cfg->globalra = FALSE;
4386 // FIXME: Disable globalra in case of tracing/profiling
4388 if (cfg->method->save_lmf)
4389 /* The LMF saving code might clobber caller saved registers */
4390 cfg->globalra = FALSE;
4392 if (header->code_size > 5000)
4394 /* Too large bblocks could overflow the ins positions */
4395 cfg->globalra = FALSE;
4397 cfg->rs = mono_regstate_new ();
4399 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4400 cfg->next_vreg = cfg->rs->next_vreg;
4402 /* FIXME: Fix SSA to handle branches inside bblocks */
4403 if (cfg->opt & MONO_OPT_SSA)
4404 cfg->enable_extended_bblocks = FALSE;
4407 * FIXME: This confuses liveness analysis because variables which are assigned after
4408 * a branch inside a bblock become part of the kill set, even though the assignment
4409 * might not get executed. This causes the optimize_initlocals pass to delete some
4410 * assignments which are needed.
4411 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4414 //cfg->enable_extended_bblocks = TRUE;
4416 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4417 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
4418 if (mini_get_debug_options ()->break_on_unverified)
4424 * create MonoInst* which represents arguments and local variables
4426 mono_compile_create_vars (cfg);
4428 /* SSAPRE is not supported on linear IR */
4429 cfg->opt &= ~MONO_OPT_SSAPRE;
4431 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4434 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4436 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4437 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4440 mono_destroy_compile (cfg);
4441 try_generic_shared = FALSE;
4442 goto restart_compile;
4444 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4446 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4447 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4448 /* cfg contains the details of the failure, so let the caller cleanup */
4452 mono_jit_stats.basic_blocks += cfg->num_bblocks;
4453 mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks);
4455 if (COMPILE_LLVM (cfg)) {
4458 /* The IR has to be in SSA form for LLVM */
4459 cfg->opt |= MONO_OPT_SSA;
4463 // Allow SSA on the result value
4464 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4466 // Add an explicit return instruction referencing the return value
4467 MONO_INST_NEW (cfg, ins, OP_SETRET);
4468 ins->sreg1 = cfg->ret->dreg;
4470 MONO_ADD_INS (cfg->bb_exit, ins);
4473 cfg->opt &= ~MONO_OPT_LINEARS;
4476 cfg->opt &= ~MONO_OPT_BRANCH;
4479 /* todo: remove code when we have verified that the liveness for try/catch blocks
4483 * Currently, this can't be commented out since exception blocks are not
4484 * processed during liveness analysis.
4485 * It is also needed, because otherwise the local optimization passes would
4486 * delete assignments in cases like this:
4488 * <something which throws>
4490 * This also allows SSA to be run on methods containing exception clauses, since
4491 * SSA will ignore variables marked VOLATILE.
4493 mono_liveness_handle_exception_clauses (cfg);
4495 mono_handle_out_of_line_bblock (cfg);
4497 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4499 if (!COMPILE_LLVM (cfg))
4500 mono_decompose_long_opts (cfg);
4502 /* Should be done before branch opts */
4503 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4504 mono_local_cprop (cfg);
4506 if (cfg->opt & MONO_OPT_BRANCH)
4507 mono_optimize_branches (cfg);
4509 /* This must be done _before_ global reg alloc and _after_ decompose */
4510 mono_handle_global_vregs (cfg);
4511 if (cfg->opt & MONO_OPT_DEADCE)
4512 mono_local_deadce (cfg);
4513 /* Disable this for LLVM to make the IR easier to handle */
4514 if (!COMPILE_LLVM (cfg))
4515 mono_if_conversion (cfg);
4517 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4518 mono_remove_critical_edges (cfg);
4520 /* Depth-first ordering on basic blocks */
4521 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4523 cfg->max_block_num = cfg->num_bblocks;
4526 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4527 if (cfg->num_bblocks != dfn + 1) {
4530 cfg->num_bblocks = dfn + 1;
4532 /* remove unreachable code, because the code in them may be
4533 * inconsistent (access to dead variables for example) */
4534 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4535 bb->flags &= ~BB_VISITED;
4536 compute_reachable (cfg->bb_entry);
4537 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4538 if (bb->flags & BB_EXCEPTION_HANDLER)
4539 compute_reachable (bb);
4540 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4541 if (!(bb->flags & BB_VISITED)) {
4542 if (cfg->verbose_level > 1)
4543 g_print ("found unreachable code in BB%d\n", bb->block_num);
4544 bb->code = bb->last_ins = NULL;
4545 while (bb->out_count)
4546 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
4549 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4550 bb->flags &= ~BB_VISITED;
4553 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
4555 * we disable some optimizations if there are too many variables
4556 * because JIT time may become too expensive. The actual number needs
4557 * to be tweaked and eventually the non-linear algorithms should be fixed.
4559 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
4560 cfg->disable_ssa = TRUE;
4563 if (cfg->opt & MONO_OPT_LOOP) {
4564 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
4565 mono_compute_natural_loops (cfg);
4568 /* after method_to_ir */
4570 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4571 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4576 if (header->num_clauses)
4577 cfg->disable_ssa = TRUE;
4580 //#define DEBUGSSA "logic_run"
4581 #define DEBUGSSA_CLASS "Tests"
4584 if (!cfg->disable_ssa) {
4585 mono_local_cprop (cfg);
4588 mono_ssa_compute (cfg);
4592 if (cfg->opt & MONO_OPT_SSA) {
4593 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
4595 mono_ssa_compute (cfg);
4598 if (cfg->verbose_level >= 2) {
4605 /* after SSA translation */
4607 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4608 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4612 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
4613 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4615 mono_ssa_cprop (cfg);
4621 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4622 //mono_ssa_strength_reduction (cfg);
4624 if (cfg->opt & MONO_OPT_SSAPRE) {
4625 mono_perform_ssapre (cfg);
4626 //mono_local_cprop (cfg);
4629 if (cfg->opt & MONO_OPT_DEADCE) {
4630 mono_ssa_deadce (cfg);
4631 deadce_has_run = TRUE;
4634 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4635 mono_perform_abc_removal (cfg);
4637 mono_ssa_remove (cfg);
4638 mono_local_cprop (cfg);
4639 mono_handle_global_vregs (cfg);
4640 if (cfg->opt & MONO_OPT_DEADCE)
4641 mono_local_deadce (cfg);
4643 if (cfg->opt & MONO_OPT_BRANCH) {
4646 mono_optimize_branches (cfg);
4648 /* Have to recompute cfg->bblocks and bb->dfn */
4649 if (cfg->globalra) {
4650 mono_remove_critical_edges (cfg);
4652 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4655 /* Depth-first ordering on basic blocks */
4656 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4659 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4660 cfg->num_bblocks = dfn + 1;
4666 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
4667 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
4668 if (cfg->opt & MONO_OPT_ABCREM)
4669 mono_perform_abc_removal (cfg);
4672 /* after SSA removal */
4674 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4675 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4679 #ifdef MONO_ARCH_SOFT_FLOAT
4680 if (!COMPILE_LLVM (cfg))
4681 mono_decompose_soft_float (cfg);
4683 if (!COMPILE_LLVM (cfg))
4684 mono_decompose_vtype_opts (cfg);
4685 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4686 mono_decompose_array_access_opts (cfg);
4689 #ifndef MONO_ARCH_GOT_REG
4694 g_assert (cfg->got_var_allocated);
4697 * Allways allocate the GOT var to a register, because keeping it
4698 * in memory will increase the number of live temporaries in some
4699 * code created by inssel.brg, leading to the well known spills+
4700 * branches problem. Testcase: mcs crash in
4701 * System.MonoCustomAttrs:GetCustomAttributes.
4703 #ifdef MONO_ARCH_GOT_REG
4704 got_reg = MONO_ARCH_GOT_REG;
4706 regs = mono_arch_get_global_int_regs (cfg);
4708 got_reg = GPOINTER_TO_INT (regs->data);
4711 cfg->got_var->opcode = OP_REGVAR;
4712 cfg->got_var->dreg = got_reg;
4713 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
4717 * Have to call this again to process variables added since the first call.
4719 mono_liveness_handle_exception_clauses (cfg);
4721 if (cfg->globalra) {
4724 /* Have to do this before regalloc since it can create vregs */
4725 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4726 mono_arch_lowering_pass (cfg, bb);
4728 mono_global_regalloc (cfg);
4731 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
4732 GList *vars, *regs, *l;
4734 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
4735 cfg->comp_done &= ~MONO_COMP_LIVENESS;
4736 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
4737 mono_analyze_liveness (cfg);
4739 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
4740 regs = mono_arch_get_global_int_regs (cfg);
4741 /* Remove the reg reserved for holding the GOT address */
4743 for (l = regs; l; l = l->next) {
4744 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
4745 regs = g_list_delete_link (regs, l);
4750 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
4754 //mono_print_code (cfg, "");
4758 /* variables are allocated after decompose, since decompose could create temps */
4759 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4760 mono_arch_allocate_vars (cfg);
4761 if (cfg->exception_type)
4767 gboolean need_local_opts;
4769 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4770 mono_spill_global_vars (cfg, &need_local_opts);
4772 if (need_local_opts || cfg->compile_aot) {
4773 /* To optimize code created by spill_global_vars */
4774 mono_local_cprop (cfg);
4775 if (cfg->opt & MONO_OPT_DEADCE)
4776 mono_local_deadce (cfg);
4780 /* Add branches between non-consecutive bblocks */
4781 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4782 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
4783 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
4784 /* we are careful when inverting, since bugs like #59580
4785 * could show up when dealing with NaNs.
4787 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
4788 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
4789 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
4790 bb->last_ins->inst_false_bb = tmp;
4792 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
4794 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
4795 inst->opcode = OP_BR;
4796 inst->inst_target_bb = bb->last_ins->inst_false_bb;
4797 mono_bblock_add_inst (bb, inst);
4802 if (cfg->verbose_level >= 4 && !cfg->globalra) {
4803 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4804 MonoInst *tree = bb->code;
4805 g_print ("DUMP BLOCK %d:\n", bb->block_num);
4808 for (; tree; tree = tree->next) {
4809 mono_print_ins_index (-1, tree);
4815 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4816 bb->max_vreg = cfg->next_vreg;
4820 if (COMPILE_LLVM (cfg)) {
4824 /* The IR has to be in SSA form for LLVM */
4825 if (!(cfg->comp_done & MONO_COMP_SSA)) {
4826 cfg->exception_message = g_strdup ("SSA disabled.");
4827 cfg->disable_llvm = TRUE;
4830 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4831 mono_decompose_array_access_opts (cfg);
4833 if (!cfg->disable_llvm)
4834 mono_llvm_emit_method (cfg);
4835 if (cfg->disable_llvm) {
4836 if (cfg->verbose_level >= 1) {
4837 //nm = mono_method_full_name (cfg->method, TRUE);
4838 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4841 mono_destroy_compile (cfg);
4843 goto restart_compile;
4846 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
4847 nm = mono_method_full_name (cfg->method, TRUE);
4848 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
4850 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4858 if (COMPILE_LLVM (cfg))
4859 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
4861 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
4863 cfg->jit_info = create_jit_info (cfg, method_to_compile);
4865 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
4866 if (cfg->extend_live_ranges) {
4867 /* Extend live ranges to cover the whole method */
4868 for (i = 0; i < cfg->num_varinfo; ++i)
4869 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
4873 if (!cfg->compile_aot)
4874 mono_save_xdebug_info (cfg);
4876 mini_gc_create_gc_map (cfg);
4878 mono_save_seq_point_info (cfg);
4880 if (cfg->verbose_level >= 2) {
4881 char *id = mono_method_full_name (cfg->method, FALSE);
4882 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
4886 if (!cfg->compile_aot) {
4887 mono_domain_lock (cfg->domain);
4888 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
4890 if (cfg->method->dynamic)
4891 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
4892 mono_domain_unlock (cfg->domain);
4895 /* collect statistics */
4896 mono_perfcounters->jit_methods++;
4897 mono_perfcounters->jit_bytes += header->code_size;
4898 mono_jit_stats.allocated_code_size += cfg->code_len;
4899 code_size_ratio = cfg->code_len;
4900 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
4901 mono_jit_stats.biggest_method_size = code_size_ratio;
4902 g_free (mono_jit_stats.biggest_method);
4903 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4905 code_size_ratio = (code_size_ratio * 100) / header->code_size;
4906 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
4907 mono_jit_stats.max_code_size_ratio = code_size_ratio;
4908 g_free (mono_jit_stats.max_ratio_method);
4909 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4911 mono_jit_stats.native_code_size += cfg->code_len;
4913 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4914 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4922 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4924 g_assert_not_reached ();
4928 #endif /* DISABLE_JIT */
4931 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
4933 static gboolean inited = FALSE;
4934 static int lookups = 0;
4935 static int failed_lookups = 0;
4938 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
4939 if (ji && !ji->has_generic_jit_info)
4943 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
4944 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
4956 * LOCKING: Assumes domain->jit_code_hash_lock is held.
4959 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
4961 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
4966 if (!mono_method_is_generic_sharable_impl (method, FALSE))
4968 return mono_domain_lookup_shared_generic (domain, method);
4972 lookup_method (MonoDomain *domain, MonoMethod *method)
4976 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
4977 mono_domain_jit_code_hash_lock (domain);
4978 info = lookup_method_inner (domain, method);
4979 mono_domain_jit_code_hash_unlock (domain);
4980 mono_loader_unlock ();
4986 static FILE* perf_map_file = NULL;
4989 mono_enable_jit_map (void)
4991 if (!perf_map_file) {
4993 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
4995 perf_map_file = fopen (name, "w");
5000 mono_emit_jit_tramp (void *start, int size, const char *desc)
5003 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5007 mono_emit_jit_map (MonoJitInfo *jinfo)
5009 if (perf_map_file) {
5010 char *name = mono_method_full_name (jinfo->method, TRUE);
5011 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5017 mono_jit_map_is_enabled (void)
5019 return perf_map_file != NULL;
5025 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5028 gpointer code = NULL;
5029 MonoJitInfo *jinfo, *info;
5031 MonoException *ex = NULL;
5032 guint32 prof_options;
5034 MonoMethod *prof_method;
5036 #ifdef MONO_USE_AOT_COMPILER
5037 if (opt & MONO_OPT_AOT) {
5038 MonoDomain *domain = mono_domain_get ();
5040 mono_class_init (method->klass);
5042 if ((code = mono_aot_get_method (domain, method))) {
5043 vtable = mono_class_vtable (domain, method->klass);
5045 mono_runtime_class_init (vtable);
5052 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5053 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5055 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5057 if (!piinfo->addr) {
5058 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5059 piinfo->addr = mono_lookup_internal_call (method);
5060 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5062 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);
5064 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);
5067 mono_lookup_pinvoke_call (method, NULL, NULL);
5069 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5070 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5071 jinfo = mono_jit_info_table_find (target_domain, code);
5073 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5075 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5078 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
5079 //mono_debug_add_wrapper (method, nm);
5080 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5081 const char *name = method->name;
5082 char *full_name, *msg;
5085 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5086 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5087 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5090 * We need to make sure this wrapper
5091 * is compiled because it might end up
5092 * in an (M)RGCTX if generic sharing
5093 * is enabled, and would be called
5094 * indirectly. If it were a
5095 * trampoline we'd try to patch that
5096 * indirect call, which is not
5099 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5100 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5101 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5102 return mono_create_delegate_trampoline (method->klass);
5104 nm = mono_marshal_get_delegate_invoke (method, NULL);
5105 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5107 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5108 nm = mono_marshal_get_delegate_begin_invoke (method);
5109 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5110 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5111 nm = mono_marshal_get_delegate_end_invoke (method);
5112 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5116 full_name = mono_method_full_name (method, TRUE);
5117 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5118 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5124 if (mono_aot_only) {
5125 char *fullname = mono_method_full_name (method, TRUE);
5126 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
5128 *jit_ex = mono_get_exception_execution_engine (msg);
5135 jit_timer = g_timer_new ();
5137 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5138 prof_method = cfg->method;
5140 g_timer_stop (jit_timer);
5141 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5142 g_timer_destroy (jit_timer);
5144 switch (cfg->exception_type) {
5145 case MONO_EXCEPTION_NONE:
5147 case MONO_EXCEPTION_TYPE_LOAD:
5148 case MONO_EXCEPTION_MISSING_FIELD:
5149 case MONO_EXCEPTION_MISSING_METHOD:
5150 case MONO_EXCEPTION_FILE_NOT_FOUND:
5151 case MONO_EXCEPTION_BAD_IMAGE: {
5152 /* Throw a type load exception if needed */
5153 MonoLoaderError *error = mono_loader_get_last_error ();
5156 ex = mono_loader_error_prepare_exception (error);
5158 if (cfg->exception_ptr) {
5159 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5161 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5162 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5163 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5164 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5165 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5166 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5167 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5168 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5169 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5170 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5172 g_assert_not_reached ();
5177 case MONO_EXCEPTION_INVALID_PROGRAM:
5178 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5180 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5181 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5183 case MONO_EXCEPTION_METHOD_ACCESS:
5184 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5186 case MONO_EXCEPTION_FIELD_ACCESS:
5187 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5189 /* this can only be set if the security manager is active */
5190 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5191 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5192 MonoObject *exc = NULL;
5195 args [0] = &cfg->exception_data;
5197 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5199 ex = (MonoException*)exc;
5202 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5203 MonoException *exp = cfg->exception_ptr;
5204 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5209 case MONO_EXCEPTION_OUT_OF_MEMORY:
5210 ex = mono_domain_get ()->out_of_memory_ex;
5213 g_assert_not_reached ();
5217 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5218 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5220 mono_destroy_compile (cfg);
5226 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5227 mono_domain_lock (target_domain);
5229 /* Check if some other thread already did the job. In this case, we can
5230 discard the code this thread generated. */
5232 mono_domain_jit_code_hash_lock (target_domain);
5234 info = lookup_method_inner (target_domain, method);
5236 /* We can't use a domain specific method in another domain */
5237 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5238 code = info->code_start;
5239 // printf("Discarding code for method %s\n", method->name);
5244 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
5245 mono_domain_jit_code_hash_unlock (target_domain);
5246 code = cfg->native_code;
5248 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
5249 mono_stats.generics_shared_methods++;
5251 mono_domain_jit_code_hash_unlock (target_domain);
5254 jinfo = cfg->jit_info;
5256 prof_options = cfg->prof_options;
5258 mono_destroy_compile (cfg);
5261 if (domain_jit_info (target_domain)->jump_target_hash) {
5262 MonoJumpInfo patch_info;
5263 MonoJumpList *jlist;
5265 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
5267 patch_info.next = NULL;
5268 patch_info.ip.i = 0;
5269 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
5270 patch_info.data.method = method;
5271 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
5273 for (tmp = jlist->list; tmp; tmp = tmp->next)
5274 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
5278 mono_emit_jit_map (jinfo);
5280 mono_domain_unlock (target_domain);
5281 mono_loader_unlock ();
5283 vtable = mono_class_vtable (target_domain, method->klass);
5285 ex = mono_class_get_exception_for_failure (method->klass);
5291 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
5292 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
5293 if (mono_marshal_method_from_wrapper (method)) {
5294 /* Native func wrappers have no method */
5295 /* The profiler doesn't know about wrappers, so pass the original icall method */
5296 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
5299 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5300 if (prof_method != method) {
5301 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
5305 ex = mono_runtime_class_init_full (vtable, FALSE);
5314 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
5316 MonoDomain *target_domain, *domain = mono_domain_get ();
5319 MonoJitICallInfo *callinfo = NULL;
5322 * ICALL wrappers are handled specially, since there is only one copy of them
5323 * shared by all appdomains.
5325 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
5326 const char *icall_name;
5328 icall_name = method->name + strlen ("__icall_wrapper_");
5329 g_assert (icall_name);
5330 callinfo = mono_find_jit_icall_by_name (icall_name);
5331 g_assert (callinfo);
5333 /* Must be domain neutral since there is only one copy */
5334 opt |= MONO_OPT_SHARED;
5337 if (opt & MONO_OPT_SHARED)
5338 target_domain = mono_get_root_domain ();
5340 target_domain = domain;
5342 info = lookup_method (target_domain, method);
5344 /* We can't use a domain specific method in another domain */
5345 if (! ((domain != target_domain) && !info->domain_neutral)) {
5347 MonoException *tmpEx;
5349 mono_jit_stats.methods_lookups++;
5350 vtable = mono_class_vtable (domain, method->klass);
5352 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
5357 return mono_create_ftnptr (target_domain, info->code_start);
5361 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
5365 p = mono_create_ftnptr (target_domain, code);
5369 if (!callinfo->wrapper) {
5370 callinfo->wrapper = p;
5371 mono_register_jit_icall_wrapper (callinfo, p);
5372 mono_debug_add_icall_wrapper (method, callinfo);
5381 mono_jit_compile_method (MonoMethod *method)
5383 MonoException *ex = NULL;
5386 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
5389 mono_raise_exception (ex);
5395 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5397 invalidated_delegate_trampoline (char *desc)
5399 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
5400 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
5406 * mono_jit_free_method:
5408 * Free all memory allocated by the JIT for METHOD.
5411 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
5413 MonoJitDynamicMethodInfo *ji;
5414 gboolean destroy = TRUE;
5415 GHashTableIter iter;
5416 MonoJumpList *jlist;
5418 g_assert (method->dynamic);
5420 mono_domain_lock (domain);
5421 ji = mono_dynamic_code_hash_lookup (domain, method);
5422 mono_domain_unlock (domain);
5427 mono_domain_lock (domain);
5428 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
5429 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
5430 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
5431 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
5433 /* Remove jump targets in this method */
5434 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
5435 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
5436 GSList *tmp, *remove;
5439 for (tmp = jlist->list; tmp; tmp = tmp->next) {
5440 guint8 *ip = tmp->data;
5442 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
5443 remove = g_slist_prepend (remove, tmp);
5445 for (tmp = remove; tmp; tmp = tmp->next) {
5446 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
5448 g_slist_free (remove);
5451 mono_domain_unlock (domain);
5453 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5454 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
5456 * Instead of freeing the code, change it to call an error routine
5457 * so people can fix their code.
5459 char *type = mono_type_full_name (&method->klass->byval_arg);
5460 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
5463 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
5469 * This needs to be done before freeing code_mp, since the code address is the
5470 * key in the table, so if we free the code_mp first, another thread can grab the
5471 * same code address and replace our entry in the table.
5473 mono_jit_info_table_remove (domain, ji->ji);
5476 mono_code_manager_destroy (ji->code_mp);
5481 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
5483 MonoDomain *target_domain;
5486 if (default_opt & MONO_OPT_SHARED)
5487 target_domain = mono_get_root_domain ();
5489 target_domain = domain;
5491 info = lookup_method (target_domain, method);
5493 /* We can't use a domain specific method in another domain */
5494 if (! ((domain != target_domain) && !info->domain_neutral)) {
5495 mono_jit_stats.methods_lookups++;
5498 return info->code_start;
5508 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
5510 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
5515 gpointer compiled_method;
5516 gpointer runtime_invoke;
5518 MonoDynCallInfo *dyn_call_info;
5519 MonoClass *ret_box_class;
5520 } RuntimeInvokeInfo;
5523 * mono_jit_runtime_invoke:
5524 * @method: the method to invoke
5525 * @obj: this pointer
5526 * @params: array of parameter values.
5527 * @exc: used to catch exceptions objects
5530 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
5533 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
5534 MonoDomain *domain = mono_domain_get ();
5535 MonoJitDomainInfo *domain_info;
5536 RuntimeInvokeInfo *info, *info2;
5538 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
5539 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
5543 domain_info = domain_jit_info (domain);
5545 mono_domain_lock (domain);
5546 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5547 mono_domain_unlock (domain);
5550 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
5552 * This might be redundant since mono_class_vtable () already does this,
5553 * but keep it just in case for moonlight.
5555 mono_class_setup_vtable (method->klass);
5556 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
5558 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
5560 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
5565 info = g_new0 (RuntimeInvokeInfo, 1);
5567 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5568 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
5569 g_assert (info->vtable);
5571 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5572 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5574 * Array Get/Set/Address methods. The JIT implements them using inline code
5575 * inside the runtime invoke wrappers, so no need to compile them.
5577 info->compiled_method = NULL;
5579 MonoException *jit_ex = NULL;
5581 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
5582 if (!info->compiled_method) {
5586 *exc = (MonoObject*)jit_ex;
5589 mono_raise_exception (jit_ex);
5593 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
5594 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
5598 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
5599 * in full-aot mode, so we use a slower, but more generic wrapper if
5600 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
5602 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5603 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
5604 MonoMethodSignature *sig = mono_method_signature (method);
5605 gboolean supported = TRUE;
5608 if (method->string_ctor)
5609 sig = mono_marshal_get_string_ctor_signature (method);
5611 for (i = 0; i < sig->param_count; ++i) {
5612 MonoType *t = sig->params [i];
5614 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
5618 if (method->klass->contextbound || !info->compiled_method)
5622 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
5624 if (info->dyn_call_info) {
5625 switch (sig->ret->type) {
5626 case MONO_TYPE_VOID:
5638 case MONO_TYPE_BOOLEAN:
5639 case MONO_TYPE_CHAR:
5642 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5645 info->ret_box_class = mono_defaults.int_class;
5647 case MONO_TYPE_STRING:
5648 case MONO_TYPE_CLASS:
5649 case MONO_TYPE_ARRAY:
5650 case MONO_TYPE_SZARRAY:
5651 case MONO_TYPE_OBJECT:
5653 case MONO_TYPE_GENERICINST:
5654 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
5655 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5657 case MONO_TYPE_VALUETYPE:
5658 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5661 g_assert_not_reached ();
5668 if (!info->dyn_call_info)
5669 info->runtime_invoke = mono_jit_compile_method (invoke);
5671 mono_domain_lock (domain);
5672 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5677 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
5679 mono_domain_unlock (domain);
5682 runtime_invoke = info->runtime_invoke;
5685 * We need this here because mono_marshal_get_runtime_invoke can place
5686 * the helper method in System.Object and not the target class.
5689 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
5693 mono_runtime_class_init (info->vtable);
5696 /* The wrappers expect this to be initialized to NULL */
5700 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5701 if (info->dyn_call_info) {
5702 MonoMethodSignature *sig = mono_method_signature (method);
5704 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
5707 guint8 retval [128];
5709 if (!dyn_runtime_invoke) {
5710 invoke = mono_marshal_get_runtime_invoke_dynamic ();
5711 dyn_runtime_invoke = mono_jit_compile_method (invoke);
5714 /* Convert the arguments to the format expected by start_dyn_call () */
5715 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
5718 args [pindex ++] = &obj;
5719 for (i = 0; i < sig->param_count; ++i) {
5720 MonoType *t = sig->params [i];
5723 args [pindex ++] = ¶ms [i];
5724 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
5725 args [pindex ++] = ¶ms [i];
5727 args [pindex ++] = params [i];
5731 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
5733 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
5735 dyn_runtime_invoke (buf, exc, info->compiled_method);
5737 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
5739 if (info->ret_box_class)
5740 return mono_value_box (domain, info->ret_box_class, retval);
5742 return *(MonoObject**)retval;
5746 return runtime_invoke (obj, params, exc, info->compiled_method);
5750 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
5752 MonoException *exc = NULL;
5754 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
5759 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5761 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
5762 if (mono_arch_is_int_overflow (ctx, info))
5764 * The spec says this throws ArithmeticException, but MS throws the derived
5765 * OverflowException.
5767 exc = mono_get_exception_overflow ();
5769 exc = mono_get_exception_divide_by_zero ();
5771 exc = mono_get_exception_divide_by_zero ();
5775 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5778 mono_handle_native_sigsegv (SIGSEGV, ctx);
5781 mono_arch_handle_exception (ctx, exc, FALSE);
5785 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
5790 exc = mono_get_exception_execution_engine ("SIGILL");
5792 mono_arch_handle_exception (ctx, exc, FALSE);
5795 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
5796 #define HAVE_SIG_INFO
5800 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
5803 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
5804 gpointer fault_addr = NULL;
5808 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
5809 if (mono_arch_is_single_step_event (info, ctx)) {
5810 mono_debugger_agent_single_step_event (ctx);
5812 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
5813 mono_debugger_agent_breakpoint_hit (ctx);
5818 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
5819 fault_addr = info->si_addr;
5820 if (mono_aot_is_pagefault (info->si_addr)) {
5821 mono_aot_handle_pagefault (info->si_addr);
5826 /* The thread might no be registered with the runtime */
5827 if (!mono_domain_get () || !jit_tls) {
5828 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5830 mono_handle_native_sigsegv (SIGSEGV, ctx);
5833 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5835 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
5836 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
5839 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
5840 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
5841 fault_addr = info->si_addr;
5842 if (fault_addr == NULL) {
5845 mono_arch_sigctx_to_monoctx (ctx, &mctx);
5847 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
5851 if (jit_tls->stack_size &&
5852 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
5854 * The hard-guard page has been hit: there is not much we can do anymore
5855 * Print a hopefully clear message and abort.
5857 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
5858 g_assert_not_reached ();
5860 /* The original handler might not like that it is executed on an altstack... */
5861 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
5864 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
5869 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5872 mono_handle_native_sigsegv (SIGSEGV, ctx);
5875 mono_arch_handle_exception (ctx, NULL, FALSE);
5880 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
5885 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
5887 mono_arch_handle_exception (ctx, exc, FALSE);
5890 /* mono_jit_create_remoting_trampoline:
5891 * @method: pointer to the method info
5893 * Creates a trampoline which calls the remoting functions. This
5894 * is used in the vtable of transparent proxies.
5896 * Returns: a pointer to the newly created code
5899 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
5902 guint8 *addr = NULL;
5904 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
5905 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
5909 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
5910 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
5911 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
5912 addr = mono_compile_method (nm);
5914 addr = mono_compile_method (method);
5916 return mono_get_addr_from_ftnptr (addr);
5919 static gpointer *vtable_trampolines;
5920 static int vtable_trampolines_size;
5923 mini_get_vtable_trampoline (int slot_index)
5925 int index = slot_index + MONO_IMT_SIZE;
5927 g_assert (slot_index >= - MONO_IMT_SIZE);
5928 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
5930 if (!vtable_trampolines || index >= vtable_trampolines_size) {
5934 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
5935 while (new_size <= index)
5937 new_table = g_new0 (gpointer, new_size);
5939 if (vtable_trampolines)
5940 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
5941 g_free (vtable_trampolines);
5942 mono_memory_barrier ();
5943 vtable_trampolines = new_table;
5944 vtable_trampolines_size = new_size;
5949 if (!vtable_trampolines [index])
5950 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
5951 return vtable_trampolines [index];
5955 mini_get_imt_trampoline (int slot_index)
5957 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
5961 mini_parse_debug_options (void)
5963 char *options = getenv ("MONO_DEBUG");
5964 gchar **args, **ptr;
5969 args = g_strsplit (options, ",", -1);
5971 for (ptr = args; ptr && *ptr; ptr++) {
5972 const char *arg = *ptr;
5974 if (!strcmp (arg, "handle-sigint"))
5975 debug_options.handle_sigint = TRUE;
5976 else if (!strcmp (arg, "keep-delegates"))
5977 debug_options.keep_delegates = TRUE;
5978 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
5979 debug_options.reverse_pinvoke_exceptions = TRUE;
5980 else if (!strcmp (arg, "collect-pagefault-stats"))
5981 debug_options.collect_pagefault_stats = TRUE;
5982 else if (!strcmp (arg, "break-on-unverified"))
5983 debug_options.break_on_unverified = TRUE;
5984 else if (!strcmp (arg, "no-gdb-backtrace"))
5985 debug_options.no_gdb_backtrace = TRUE;
5986 else if (!strcmp (arg, "suspend-on-sigsegv"))
5987 debug_options.suspend_on_sigsegv = TRUE;
5988 else if (!strcmp (arg, "suspend-on-unhandled"))
5989 debug_options.suspend_on_unhandled = TRUE;
5990 else if (!strcmp (arg, "dont-free-domains"))
5991 mono_dont_free_domains = TRUE;
5992 else if (!strcmp (arg, "dyn-runtime-invoke"))
5993 debug_options.dyn_runtime_invoke = TRUE;
5994 else if (!strcmp (arg, "gdb"))
5995 debug_options.gdb = TRUE;
5996 else if (!strcmp (arg, "explicit-null-checks"))
5997 debug_options.explicit_null_checks = TRUE;
5998 else if (!strcmp (arg, "gen-seq-points"))
5999 debug_options.gen_seq_points = TRUE;
6000 else if (!strcmp (arg, "init-stacks"))
6001 debug_options.init_stacks = TRUE;
6002 else if (!strcmp (arg, "casts"))
6003 debug_options.better_cast_details = TRUE;
6005 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6006 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");
6015 mini_get_debug_options (void)
6017 return &debug_options;
6021 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6026 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6032 #elif defined(__ppc64__) || defined(__powerpc64__)
6035 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6048 mini_get_addr_from_ftnptr (gpointer descr)
6050 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6051 return *(gpointer*)descr;
6058 register_jit_stats (void)
6060 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
6061 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
6062 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6063 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6064 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6067 static void runtime_invoke_info_free (gpointer value);
6070 mini_create_jit_domain_info (MonoDomain *domain)
6072 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
6074 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6075 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6076 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6077 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6078 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6079 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
6080 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
6081 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
6082 info->jump_target_hash = g_hash_table_new (NULL, NULL);
6084 domain->runtime_info = info;
6088 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
6090 MonoJumpList *jlist = value;
6091 g_slist_free (jlist->list);
6095 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
6097 MonoJitDynamicMethodInfo *di = value;
6098 mono_code_manager_destroy (di->code_mp);
6103 runtime_invoke_info_free (gpointer value)
6105 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
6107 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6108 if (info->dyn_call_info)
6109 mono_arch_dyn_call_free (info->dyn_call_info);
6115 mini_free_jit_domain_info (MonoDomain *domain)
6117 MonoJitDomainInfo *info = domain_jit_info (domain);
6119 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6120 g_hash_table_destroy (info->jump_target_hash);
6121 if (info->jump_target_got_slot_hash) {
6122 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6123 g_hash_table_destroy (info->jump_target_got_slot_hash);
6125 if (info->dynamic_code_hash) {
6126 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6127 g_hash_table_destroy (info->dynamic_code_hash);
6129 if (info->method_code_hash)
6130 g_hash_table_destroy (info->method_code_hash);
6131 g_hash_table_destroy (info->class_init_trampoline_hash);
6132 g_hash_table_destroy (info->jump_trampoline_hash);
6133 g_hash_table_destroy (info->jit_trampoline_hash);
6134 g_hash_table_destroy (info->delegate_trampoline_hash);
6135 if (info->static_rgctx_trampoline_hash)
6136 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6137 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6138 g_hash_table_destroy (info->runtime_invoke_hash);
6139 g_hash_table_destroy (info->seq_points);
6140 g_hash_table_destroy (info->arch_seq_points);
6142 if (info->agent_info)
6143 mono_debugger_agent_free_domain_info (domain);
6145 g_free (domain->runtime_info);
6146 domain->runtime_info = NULL;
6150 mini_init (const char *filename, const char *runtime_version)
6153 MonoRuntimeCallbacks callbacks;
6155 MONO_PROBE_VES_INIT_BEGIN ();
6157 #if defined(__linux__) && !defined(__native_client__)
6158 if (access ("/proc/self/maps", F_OK) != 0) {
6159 g_print ("Mono requires /proc to be mounted.\n");
6164 /* Happens when using the embedding interface */
6165 if (!default_opt_set)
6166 default_opt = mono_parse_default_optimizations (NULL);
6168 InitializeCriticalSection (&jit_mutex);
6170 #ifdef MONO_DEBUGGER_SUPPORTED
6171 if (mini_debug_running_inside_mdb ())
6172 mini_debugger_init ();
6175 #ifdef MINI_HAVE_FAST_TLS
6176 MINI_FAST_TLS_INIT (mono_jit_tls);
6177 MINI_FAST_TLS_INIT (mono_lmf_addr);
6178 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
6179 MINI_FAST_TLS_INIT (mono_lmf);
6183 #ifdef MONO_ARCH_HAVE_TLS_GET
6184 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
6186 mono_runtime_set_has_tls_get (FALSE);
6189 if (!global_codeman)
6190 global_codeman = mono_code_manager_new ();
6191 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
6193 memset (&callbacks, 0, sizeof (callbacks));
6194 callbacks.create_ftnptr = mini_create_ftnptr;
6195 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
6196 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
6197 callbacks.set_cast_details = mono_set_cast_details;
6199 #ifdef MONO_ARCH_HAVE_IMT
6201 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
6202 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
6206 mono_install_callbacks (&callbacks);
6208 if (getenv ("MONO_DEBUG") != NULL)
6209 mini_parse_debug_options ();
6211 mono_arch_cpu_init ();
6215 mono_unwind_init ();
6217 if (getenv ("MONO_XDEBUG")) {
6218 char *xdebug_opts = getenv ("MONO_XDEBUG");
6219 mono_xdebug_init (xdebug_opts);
6220 /* So methods for multiple domains don't have the same address */
6221 mono_dont_free_domains = TRUE;
6222 mono_using_xdebug = TRUE;
6223 } else if (mini_get_debug_options ()->gdb) {
6224 mono_xdebug_init ((char*)"gdb");
6225 mono_dont_free_domains = TRUE;
6226 mono_using_xdebug = TRUE;
6230 if (mono_use_llvm) {
6231 if (!mono_llvm_load (NULL)) {
6232 mono_use_llvm = FALSE;
6233 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
6240 mono_trampolines_init ();
6242 if (!g_thread_supported ())
6243 g_thread_init (NULL);
6245 mono_jit_tls_id = TlsAlloc ();
6246 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
6248 if (default_opt & MONO_OPT_AOT)
6251 mono_debugger_agent_init ();
6253 #ifdef MONO_ARCH_GSHARED_SUPPORTED
6254 mono_set_generic_sharing_supported (TRUE);
6257 #ifndef MONO_CROSS_COMPILE
6258 mono_runtime_install_handlers ();
6260 mono_threads_install_cleanup (mini_thread_cleanup);
6262 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
6263 // This is experimental code so provide an env var to switch it off
6264 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
6265 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
6267 check_for_pending_exc = FALSE;
6268 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
6272 #define JIT_TRAMPOLINES_WORK
6273 #ifdef JIT_TRAMPOLINES_WORK
6274 mono_install_compile_method (mono_jit_compile_method);
6275 mono_install_free_method (mono_jit_free_method);
6276 mono_install_trampoline (mono_create_jit_trampoline);
6277 mono_install_jump_trampoline (mono_create_jump_trampoline);
6278 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
6279 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
6280 mono_install_create_domain_hook (mini_create_jit_domain_info);
6281 mono_install_free_domain_hook (mini_free_jit_domain_info);
6283 #define JIT_INVOKE_WORKS
6284 #ifdef JIT_INVOKE_WORKS
6285 mono_install_runtime_invoke (mono_jit_runtime_invoke);
6287 mono_install_stack_walk (mono_jit_walk_stack);
6288 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
6289 mono_install_get_class_from_name (mono_aot_get_class_from_name);
6290 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
6292 if (debug_options.collect_pagefault_stats) {
6293 mono_aot_set_make_unreadable (TRUE);
6296 if (runtime_version)
6297 domain = mono_init_version (filename, runtime_version);
6299 domain = mono_init_from_assembly (filename, filename);
6301 if (mono_aot_only) {
6302 /* This helps catch code allocation requests */
6303 mono_code_manager_set_read_only (domain->code_mp);
6306 #ifdef MONO_ARCH_HAVE_IMT
6309 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
6311 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
6315 /* This must come after mono_init () in the aot-only case */
6316 mono_exceptions_init ();
6317 mono_install_handler (mono_get_throw_exception ());
6321 /* This should come after mono_init () too */
6324 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
6325 ves_icall_get_frame_info);
6326 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
6327 ves_icall_get_trace);
6328 mono_add_internal_call ("System.Exception::get_trace",
6329 ves_icall_System_Exception_get_trace);
6330 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
6331 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
6332 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
6333 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
6334 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
6335 mono_runtime_install_handlers);
6337 mono_create_helper_signatures ();
6339 register_jit_stats ();
6341 #define JIT_CALLS_WORK
6342 #ifdef JIT_CALLS_WORK
6343 /* Needs to be called here since register_jit_icall depends on it */
6344 mono_marshal_init ();
6346 mono_arch_register_lowlevel_calls ();
6347 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
6348 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
6349 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
6350 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
6351 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
6352 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
6353 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
6355 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
6356 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
6357 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
6359 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
6360 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
6361 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
6362 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
6363 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
6365 #if defined(__native_client__) || defined(__native_client_codegen__)
6366 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
6369 * NOTE, NOTE, NOTE, NOTE:
6370 * when adding emulation for some opcodes, remember to also add a dummy
6371 * rule to the burg files, because we need the arity information to be correct.
6373 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
6374 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
6375 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
6376 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
6377 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
6378 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
6379 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
6380 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
6383 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
6384 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
6385 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
6386 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
6389 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
6390 mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE);
6391 mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6392 mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE);
6393 mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6394 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
6395 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6396 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
6397 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6400 #ifdef MONO_ARCH_EMULATE_MUL_DIV
6401 mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE);
6402 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
6405 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
6406 mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6407 mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6408 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6409 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6412 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
6413 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
6416 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
6417 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
6418 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
6419 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
6421 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
6422 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
6424 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
6425 mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6426 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6428 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
6429 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
6431 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
6432 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
6434 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
6435 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
6437 #ifdef MONO_ARCH_EMULATE_FREM
6438 #if defined(__default_codegen__)
6439 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
6440 #elif defined(__native_client_codegen__)
6441 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, FALSE);
6445 #ifdef MONO_ARCH_SOFT_FLOAT
6446 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
6447 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
6448 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
6449 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
6450 mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE);
6451 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
6452 mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE);
6453 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
6454 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
6455 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
6456 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
6457 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
6458 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
6459 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
6460 #if SIZEOF_VOID_P == 4
6461 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
6464 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
6465 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
6466 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
6467 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
6468 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
6469 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
6470 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
6471 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
6472 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
6473 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
6475 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
6476 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
6477 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
6478 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
6479 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
6481 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
6482 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
6483 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
6484 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
6487 #ifdef COMPRESSED_INTERFACE_BITMAP
6488 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
6491 #if SIZEOF_REGISTER == 4
6492 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
6495 /* other jit icalls */
6496 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
6497 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
6498 "ptr ptr ptr", FALSE);
6499 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
6500 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
6501 "ptr ptr ptr ptr", FALSE);
6502 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
6503 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
6504 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
6505 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
6506 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
6507 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
6508 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
6509 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
6510 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
6511 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
6512 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
6513 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
6514 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
6515 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
6516 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
6517 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
6518 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
6519 register_icall (mono_break, "mono_break", NULL, TRUE);
6520 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
6521 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
6522 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
6523 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
6524 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
6525 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
6526 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
6527 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
6529 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
6531 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
6532 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
6536 mono_generic_sharing_init ();
6538 #ifdef MONO_ARCH_SIMD_INTRINSICS
6539 mono_simd_intrinsics_init ();
6542 #if MONO_SUPPORT_TASKLETS
6543 mono_tasklets_init ();
6546 if (mono_compile_aot)
6548 * Avoid running managed code when AOT compiling, since the platform
6549 * might only support aot-only execution.
6551 mono_runtime_set_no_exec (TRUE);
6553 #define JIT_RUNTIME_WORKS
6554 #ifdef JIT_RUNTIME_WORKS
6555 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
6556 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
6557 mono_thread_attach (domain);
6560 mono_profiler_runtime_initialized ();
6562 MONO_PROBE_VES_INIT_END ();
6567 MonoJitStats mono_jit_stats = {0};
6570 print_jit_stats (void)
6572 if (mono_jit_stats.enabled) {
6573 g_print ("Mono Jit statistics\n");
6574 g_print ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups);
6575 g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks);
6576 g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks);
6577 g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var);
6578 g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size);
6579 g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size);
6580 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
6581 mono_jit_stats.max_ratio_method);
6582 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
6583 mono_jit_stats.biggest_method);
6584 g_print ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs);
6585 g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size);
6586 g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods);
6587 g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods);
6588 g_print ("Regvars: %ld\n", mono_jit_stats.regvars);
6589 g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size);
6591 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
6592 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
6593 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
6594 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
6595 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
6596 g_print ("Methods: %ld\n", mono_stats.method_count);
6597 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
6598 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
6599 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
6601 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
6602 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
6603 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
6605 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
6606 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
6607 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
6609 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
6610 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
6611 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
6613 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
6614 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
6615 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
6616 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
6617 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
6618 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
6619 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
6620 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
6622 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
6623 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
6624 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
6626 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
6627 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
6628 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
6629 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
6630 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
6631 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
6632 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
6633 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
6634 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
6635 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
6636 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
6637 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
6640 g_free (mono_jit_stats.max_ratio_method);
6641 mono_jit_stats.max_ratio_method = NULL;
6642 g_free (mono_jit_stats.biggest_method);
6643 mono_jit_stats.biggest_method = NULL;
6648 mini_cleanup (MonoDomain *domain)
6650 mono_runtime_shutdown_stat_profiler ();
6653 cominterop_release_all_rcws ();
6656 #ifndef MONO_CROSS_COMPILE
6657 mono_runtime_shutdown ();
6659 * mono_runtime_cleanup() and mono_domain_finalize () need to
6660 * be called early since they need the execution engine still
6661 * fully working (mono_domain_finalize may invoke managed finalizers
6662 * and mono_runtime_cleanup will wait for other threads to finish).
6664 mono_domain_finalize (domain, 2000);
6667 /* This accesses metadata so needs to be called before runtime shutdown */
6670 mono_profiler_shutdown ();
6672 #ifndef MONO_CROSS_COMPILE
6673 mono_runtime_cleanup (domain);
6676 free_jit_tls_data (TlsGetValue (mono_jit_tls_id));
6678 mono_icall_cleanup ();
6680 mono_runtime_cleanup_handlers ();
6682 mono_domain_free (domain, TRUE);
6684 mono_debugger_cleanup ();
6688 mono_llvm_cleanup ();
6691 mono_aot_cleanup ();
6693 mono_trampolines_cleanup ();
6695 mono_unwind_cleanup ();
6697 if (!mono_dont_free_global_codeman)
6698 mono_code_manager_destroy (global_codeman);
6699 g_hash_table_destroy (jit_icall_name_hash);
6700 g_free (emul_opcode_map);
6701 g_free (emul_opcode_opcodes);
6702 g_free (vtable_trampolines);
6704 mono_arch_cleanup ();
6706 mono_generic_sharing_cleanup ();
6710 mono_trace_cleanup ();
6712 mono_counters_dump (-1, stdout);
6714 if (mono_inject_async_exc_method)
6715 mono_method_desc_free (mono_inject_async_exc_method);
6717 TlsFree(mono_jit_tls_id);
6719 DeleteCriticalSection (&jit_mutex);
6721 DeleteCriticalSection (&mono_delegate_section);
6725 mono_set_defaults (int verbose_level, guint32 opts)
6727 mini_verbose = verbose_level;
6729 default_opt_set = TRUE;
6733 mono_disable_optimizations (guint32 opts)
6735 default_opt &= ~opts;
6739 * mono_get_runtime_build_info:
6741 * Return the runtime version + build date in string format.
6742 * The returned string is owned by the caller.
6745 mono_get_runtime_build_info (void)
6747 if (mono_build_date)
6748 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
6750 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
6754 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
6756 GHashTable *assemblies = (GHashTable*)user_data;
6757 MonoImage *image = mono_assembly_get_image (ass);
6758 MonoMethod *method, *invoke;
6761 if (g_hash_table_lookup (assemblies, ass))
6764 g_hash_table_insert (assemblies, ass, ass);
6766 if (mini_verbose > 0)
6767 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
6769 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
6770 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
6771 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
6775 if (mini_verbose > 1) {
6776 char * desc = mono_method_full_name (method, TRUE);
6777 g_print ("Compiling %d %s\n", count, desc);
6780 mono_compile_method (method);
6781 if (strcmp (method->name, "Finalize") == 0) {
6782 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6783 mono_compile_method (invoke);
6785 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
6786 invoke = mono_marshal_get_remoting_invoke_with_check (method);
6787 mono_compile_method (invoke);
6791 /* Load and precompile referenced assemblies as well */
6792 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
6793 mono_assembly_load_reference (image, i);
6794 if (image->references [i])
6795 mono_precompile_assembly (image->references [i], assemblies);
6799 void mono_precompile_assemblies ()
6801 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
6803 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
6805 g_hash_table_destroy (assemblies);
6811 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
6812 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
6816 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
6818 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
6819 hole->clause = clause;
6820 hole->start_offset = start - cfg->native_code;
6821 hole->basic_block = bb;
6823 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
6827 mono_cfg_set_exception (MonoCompile *cfg, int type)
6829 cfg->exception_type = type;