2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Copyright 2003-2010 Novell, Inc.
10 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
13 #define MONO_LLVM_IN_MINI 1
23 #ifdef HAVE_SYS_TIME_H
27 #include <mono/utils/memcheck.h>
29 #include <mono/metadata/assembly.h>
30 #include <mono/metadata/loader.h>
31 #include <mono/metadata/tabledefs.h>
32 #include <mono/metadata/class.h>
33 #include <mono/metadata/object.h>
34 #include <mono/metadata/tokentype.h>
35 #include <mono/metadata/tabledefs.h>
36 #include <mono/metadata/threads.h>
37 #include <mono/metadata/appdomain.h>
38 #include <mono/metadata/debug-helpers.h>
39 #include <mono/io-layer/io-layer.h>
40 #include "mono/metadata/profiler.h"
41 #include <mono/metadata/profiler-private.h>
42 #include <mono/metadata/mono-config.h>
43 #include <mono/metadata/environment.h>
44 #include <mono/metadata/mono-debug.h>
45 #include <mono/metadata/gc-internal.h>
46 #include <mono/metadata/threads-types.h>
47 #include <mono/metadata/verify.h>
48 #include <mono/metadata/verify-internals.h>
49 #include <mono/metadata/mempool-internals.h>
50 #include <mono/metadata/attach.h>
51 #include <mono/metadata/runtime.h>
52 #include <mono/utils/mono-math.h>
53 #include <mono/utils/mono-compiler.h>
54 #include <mono/utils/mono-counters.h>
55 #include <mono/utils/mono-logger-internal.h>
56 #include <mono/utils/mono-mmap.h>
57 #include <mono/utils/mono-path.h>
58 #include <mono/utils/mono-tls.h>
59 #include <mono/utils/mono-hwcap.h>
60 #include <mono/utils/dtrace.h>
63 #include "mini-llvm.h"
71 #include "jit-icalls.h"
73 #include "debug-mini.h"
75 #include "debugger-agent.h"
77 /* this macro is used for a runtime check done in mini_init () */
78 #ifdef MONO_ARCH_EMULATE_MUL_DIV
79 #define EMUL_MUL_DIV 1
81 #define EMUL_MUL_DIV 0
84 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
87 static guint32 default_opt = 0;
88 static gboolean default_opt_set = FALSE;
90 MonoNativeTlsKey mono_jit_tls_id;
92 #ifdef MONO_HAVE_FAST_TLS
93 MONO_FAST_TLS_DECLARE(mono_jit_tls);
96 #ifndef MONO_ARCH_MONITOR_ENTER_ADJUSTMENT
97 #define MONO_ARCH_MONITOR_ENTER_ADJUSTMENT 1
100 MonoTraceSpec *mono_jit_trace_calls = NULL;
101 gboolean mono_compile_aot = FALSE;
102 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
103 gboolean mono_aot_only = FALSE;
104 /* Whenever to use IMT */
105 #ifdef MONO_ARCH_HAVE_IMT
106 gboolean mono_use_imt = TRUE;
108 gboolean mono_use_imt = FALSE;
110 MonoMethodDesc *mono_inject_async_exc_method = NULL;
111 int mono_inject_async_exc_pos;
112 MonoMethodDesc *mono_break_at_bb_method = NULL;
113 int mono_break_at_bb_bb_num;
114 gboolean mono_do_x86_stack_align = TRUE;
115 const char *mono_build_date;
116 gboolean mono_do_signal_chaining;
117 static gboolean mono_using_xdebug;
118 static int mini_verbose = 0;
121 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
122 * it can load AOT code compiled by LLVM.
124 gboolean mono_use_llvm = FALSE;
126 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
127 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
128 static CRITICAL_SECTION jit_mutex;
130 static MonoCodeManager *global_codeman = NULL;
132 static GHashTable *jit_icall_name_hash = NULL;
134 static MonoDebugOptions debug_options;
136 #ifdef VALGRIND_JIT_REGISTER_MAP
137 static int valgrind_register = 0;
141 * Table written to by the debugger with a 1-based index into the
142 * mono_breakpoint_info table, which contains changes made to
143 * the JIT instructions by the debugger.
146 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
148 /* Whenever to check for pending exceptions in managed-to-native wrappers */
149 gboolean check_for_pending_exc = TRUE;
151 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
152 gboolean disable_vtypes_in_regs = FALSE;
154 gboolean mono_dont_free_global_codeman;
157 mono_realloc_native_code (MonoCompile *cfg)
159 #if defined(__default_codegen__)
160 return g_realloc (cfg->native_code, cfg->code_size);
161 #elif defined(__native_client_codegen__)
163 gpointer native_code;
164 guint alignment_check;
166 /* Save the old alignment offset so we can re-align after the realloc. */
167 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
168 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
170 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
171 cfg->code_size + kNaClAlignment );
173 /* Align native_code to next nearest kNaClAlignment byte. */
174 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
175 native_code = (guint)native_code & ~kNaClAlignmentMask;
177 /* Shift the data to be 32-byte aligned again. */
178 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
180 alignment_check = (guint)native_code & kNaClAlignmentMask;
181 g_assert (alignment_check == 0);
184 g_assert_not_reached ();
185 return cfg->native_code;
189 #ifdef __native_client_codegen__
191 /* Prevent instructions from straddling a 32-byte alignment boundary. */
192 /* Instructions longer than 32 bytes must be aligned internally. */
193 /* IN: pcode, instlen */
195 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
198 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
200 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
201 g_assert_not_reached();
202 } else if (instlen > space_in_block) {
203 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
207 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
208 /* IN: start pointer to start of call sequence */
209 /* IN: pcode pointer to end of call sequence (current "IP") */
210 /* OUT: start pointer to the start of the call sequence after padding */
211 /* OUT: pcode pointer to the end of the call sequence after padding */
212 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
213 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
214 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
217 const size_t length = (size_t)((*pcode)-(*start));
218 g_assert(length < MAX_NACL_CALL_LENGTH);
220 memcpy(copy_of_call, *start, length);
221 temp = mono_nacl_pad_call(*start, (guint8)length);
222 memcpy(temp, copy_of_call, length);
224 (*pcode) = temp + length;
227 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
228 /* code pointer to buffer for emitting code */
229 /* ilength length of call instruction */
230 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
231 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
232 int padding = freeSpaceInBlock - ilength;
235 /* There isn't enough space in this block for the instruction. */
236 /* Fill this block and start a new one. */
237 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
238 freeSpaceInBlock = kNaClAlignment;
239 padding = freeSpaceInBlock - ilength;
241 g_assert(ilength > 0);
242 g_assert(padding >= 0);
243 g_assert(padding < kNaClAlignment);
244 if (0 == padding) return code;
245 return mono_arch_nacl_pad(code, padding);
248 guint8 *mono_nacl_align(guint8 *code) {
249 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
250 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
254 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
256 #ifndef USE_JUMP_TABLES
257 MonoJumpInfo *patch_info;
258 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
259 unsigned char *ip = patch_info->ip.i + code;
260 ip = mono_arch_nacl_skip_nops(ip);
261 patch_info->ip.i = ip - code;
265 #endif /* __native_client_codegen__ */
268 mono_running_on_valgrind (void)
270 if (RUNNING_ON_VALGRIND){
271 #ifdef VALGRIND_JIT_REGISTER_MAP
272 valgrind_register = TRUE;
280 MonoExceptionClause *clause;
281 MonoBasicBlock *basic_block;
291 find_tramp (gpointer key, gpointer value, gpointer user_data)
293 FindTrampUserData *ud = (FindTrampUserData*)user_data;
296 ud->method = (MonoMethod*)key;
300 G_GNUC_UNUSED static char*
301 get_method_from_ip (void *ip)
306 MonoDomain *domain = mono_domain_get ();
307 MonoDebugSourceLocation *location;
308 FindTrampUserData user_data;
311 domain = mono_get_root_domain ();
313 ji = mono_jit_info_table_find (domain, ip);
316 user_data.method = NULL;
317 mono_domain_lock (domain);
318 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
319 mono_domain_unlock (domain);
320 if (user_data.method) {
321 char *mname = mono_method_full_name (user_data.method, TRUE);
322 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
329 method = mono_method_full_name (ji->method, TRUE);
330 /* FIXME: unused ? */
331 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
333 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);
335 mono_debug_free_source_location (location);
343 * @ip: an instruction pointer address
345 * This method is used from a debugger to get the name of the
346 * method at address @ip. This routine is typically invoked from
347 * a debugger like this:
349 * (gdb) print mono_pmip ($pc)
351 * Returns: the name of the method at address @ip.
356 return get_method_from_ip (ip);
360 * mono_print_method_from_ip
361 * @ip: an instruction pointer address
363 * This method is used from a debugger to get the name of the
364 * method at address @ip.
366 * This prints the name of the method at address @ip in the standard
367 * output. Unlike mono_pmip which returns a string, this routine
368 * prints the value on the standard output.
371 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
372 __attribute__((used))
375 mono_print_method_from_ip (void *ip)
379 MonoDebugSourceLocation *source;
380 MonoDomain *domain = mono_domain_get ();
381 MonoDomain *target_domain = mono_domain_get ();
382 FindTrampUserData user_data;
383 MonoGenericSharingContext*gsctx;
384 const char *shared_type;
386 ji = mini_jit_info_table_find (domain, ip, &target_domain);
389 user_data.method = NULL;
390 mono_domain_lock (domain);
391 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
392 mono_domain_unlock (domain);
393 if (user_data.method) {
394 char *mname = mono_method_full_name (user_data.method, TRUE);
395 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
399 g_print ("No method at %p\n", ip);
403 method = mono_method_full_name (ji->method, TRUE);
404 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
406 gsctx = mono_jit_info_get_generic_sharing_context (ji);
409 if (gsctx->var_is_vt || gsctx->mvar_is_vt)
410 shared_type = "gsharedvt ";
412 shared_type = "gshared ";
415 g_print ("IP %p at offset 0x%x of %smethod %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), shared_type, method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
418 g_print ("%s:%d\n", source->source_file, source->row);
421 mono_debug_free_source_location (source);
426 * mono_method_same_domain:
428 * Determine whenever two compiled methods are in the same domain, thus
429 * the address of the callee can be embedded in the caller.
431 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
433 if (!caller || !callee)
437 * If the call was made from domain-neutral to domain-specific
438 * code, we can't patch the call site.
440 if (caller->domain_neutral && !callee->domain_neutral)
443 if ((caller->method->klass == mono_defaults.appdomain_class) &&
444 (strstr (caller->method->name, "InvokeInDomain"))) {
445 /* The InvokeInDomain methods change the current appdomain */
453 * mono_global_codeman_reserve:
455 * Allocate code memory from the global code manager.
457 void *mono_global_codeman_reserve (int size)
462 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
464 if (!global_codeman) {
465 /* This can happen during startup */
466 global_codeman = mono_code_manager_new ();
467 return mono_code_manager_reserve (global_codeman, size);
471 ptr = mono_code_manager_reserve (global_codeman, size);
477 #if defined(__native_client_codegen__) && defined(__native_client__)
481 #ifdef __native_client_gc__
482 __nacl_suspend_thread_if_needed();
486 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
487 * which we are generating code, return a pointer to the destination in the
488 * dynamic code segment into which the code will be copied when
489 * mono_global_codeman_commit is called.
490 * LOCKING: Acquires the jit lock.
493 nacl_global_codeman_get_dest (void *data)
497 dest = nacl_code_manager_get_code_dest (global_codeman, data);
503 mono_global_codeman_commit (void *data, int size, int newsize)
506 mono_code_manager_commit (global_codeman, data, size, newsize);
511 * Convenience function which calls mono_global_codeman_commit to validate and
512 * copy the code. The caller sets *buf_base and *buf_size to the start and size
513 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
514 * the byte after the last instruction byte. On return, *buf_base will point to
515 * the start of the copied in the code segment, and *code_end will point after
516 * the end of the copied code.
519 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
521 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
522 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
523 *code_end = tmp + (*code_end - *buf_base);
527 /* no-op versions of Native Client functions */
529 nacl_global_codeman_get_dest (void *data)
535 mono_global_codeman_commit (void *data, int size, int newsize)
540 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
544 #endif /* __native_client__ */
547 * mono_create_unwind_op:
549 * Create an unwind op with the given parameters.
552 mono_create_unwind_op (int when, int tag, int reg, int val)
554 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
565 * mono_emit_unwind_op:
567 * Add an unwind op with the given parameters for the list of unwind ops stored in
571 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
573 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
580 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
584 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
586 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
589 res->has_context = context != NULL;
591 memcpy (&res->context, context, sizeof (MonoGenericContext));
597 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
599 return mono_jump_info_token_new2 (mp, image, token, NULL);
603 * mono_tramp_info_create:
605 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
606 * of JI, and UNWIND_OPS.
609 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
611 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
613 info->name = g_strdup ((char*)name);
615 info->code_size = code_size;
617 info->unwind_ops = unwind_ops;
623 mono_tramp_info_free (MonoTrampInfo *info)
630 for (l = info->unwind_ops; l; l = l->next)
632 g_slist_free (info->unwind_ops);
636 G_GNUC_UNUSED static void
642 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
643 * Set a breakpoint in break_count () to break the last time <x> is done.
645 G_GNUC_UNUSED gboolean
646 mono_debug_count (void)
648 static int count = 0;
651 if (!getenv ("COUNT"))
654 if (count == atoi (getenv ("COUNT"))) {
658 if (count > atoi (getenv ("COUNT"))) {
665 #define MONO_INIT_VARINFO(vi,id) do { \
666 (vi)->range.first_use.pos.bid = 0xffff; \
672 * mono_unlink_bblock:
674 * Unlink two basic blocks.
677 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
683 for (i = 0; i < from->out_count; ++i) {
684 if (to == from->out_bb [i]) {
691 for (i = 0; i < from->out_count; ++i) {
692 if (from->out_bb [i] != to)
693 from->out_bb [pos ++] = from->out_bb [i];
695 g_assert (pos == from->out_count - 1);
700 for (i = 0; i < to->in_count; ++i) {
701 if (from == to->in_bb [i]) {
708 for (i = 0; i < to->in_count; ++i) {
709 if (to->in_bb [i] != from)
710 to->in_bb [pos ++] = to->in_bb [i];
712 g_assert (pos == to->in_count - 1);
718 * mono_bblocks_linked:
720 * Return whenever BB1 and BB2 are linked in the CFG.
723 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
727 for (i = 0; i < bb1->out_count; ++i) {
728 if (bb1->out_bb [i] == bb2)
736 mono_find_block_region_notry (MonoCompile *cfg, int offset)
738 MonoMethodHeader *header = cfg->header;
739 MonoExceptionClause *clause;
742 for (i = 0; i < header->num_clauses; ++i) {
743 clause = &header->clauses [i];
744 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
745 (offset < (clause->handler_offset)))
746 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
748 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
749 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
750 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
751 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
752 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
754 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
762 * mono_get_block_region_notry:
764 * Return the region corresponding to REGION, ignoring try clauses nested inside
768 mono_get_block_region_notry (MonoCompile *cfg, int region)
770 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
771 MonoMethodHeader *header = cfg->header;
774 * This can happen if a try clause is nested inside a finally clause.
776 int clause_index = (region >> 8) - 1;
777 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
779 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
786 mono_find_spvar_for_region (MonoCompile *cfg, int region)
788 region = mono_get_block_region_notry (cfg, region);
790 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
794 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
798 array [*dfn] = start;
799 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
800 for (i = 0; i < start->out_count; ++i) {
801 if (start->out_bb [i]->dfn)
804 start->out_bb [i]->dfn = *dfn;
805 start->out_bb [i]->df_parent = start;
806 array [*dfn] = start->out_bb [i];
807 df_visit (start->out_bb [i], dfn, array);
812 mono_reverse_branch_op (guint32 opcode)
814 static const int reverse_map [] = {
815 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
816 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
818 static const int reverse_fmap [] = {
819 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
820 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
822 static const int reverse_lmap [] = {
823 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
824 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
826 static const int reverse_imap [] = {
827 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
828 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
831 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
832 opcode = reverse_map [opcode - CEE_BEQ];
833 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
834 opcode = reverse_fmap [opcode - OP_FBEQ];
835 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
836 opcode = reverse_lmap [opcode - OP_LBEQ];
837 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
838 opcode = reverse_imap [opcode - OP_IBEQ];
840 g_assert_not_reached ();
846 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
849 return OP_STORE_MEMBASE_REG;
852 switch (type->type) {
855 case MONO_TYPE_BOOLEAN:
856 return OP_STOREI1_MEMBASE_REG;
860 return OP_STOREI2_MEMBASE_REG;
863 return OP_STOREI4_MEMBASE_REG;
867 case MONO_TYPE_FNPTR:
868 return OP_STORE_MEMBASE_REG;
869 case MONO_TYPE_CLASS:
870 case MONO_TYPE_STRING:
871 case MONO_TYPE_OBJECT:
872 case MONO_TYPE_SZARRAY:
873 case MONO_TYPE_ARRAY:
874 return OP_STORE_MEMBASE_REG;
877 return OP_STOREI8_MEMBASE_REG;
879 return OP_STORER4_MEMBASE_REG;
881 return OP_STORER8_MEMBASE_REG;
882 case MONO_TYPE_VALUETYPE:
883 if (type->data.klass->enumtype) {
884 type = mono_class_enum_basetype (type->data.klass);
887 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
888 return OP_STOREX_MEMBASE;
889 return OP_STOREV_MEMBASE;
890 case MONO_TYPE_TYPEDBYREF:
891 return OP_STOREV_MEMBASE;
892 case MONO_TYPE_GENERICINST:
893 type = &type->data.generic_class->container_class->byval_arg;
897 if (mini_type_var_is_vt (cfg, type))
898 return OP_STOREV_MEMBASE;
900 return OP_STORE_MEMBASE_REG;
902 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
908 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
911 return OP_LOAD_MEMBASE;
913 type = mono_type_get_underlying_type (type);
915 switch (type->type) {
917 return OP_LOADI1_MEMBASE;
919 case MONO_TYPE_BOOLEAN:
920 return OP_LOADU1_MEMBASE;
922 return OP_LOADI2_MEMBASE;
925 return OP_LOADU2_MEMBASE;
927 return OP_LOADI4_MEMBASE;
929 return OP_LOADU4_MEMBASE;
933 case MONO_TYPE_FNPTR:
934 return OP_LOAD_MEMBASE;
935 case MONO_TYPE_CLASS:
936 case MONO_TYPE_STRING:
937 case MONO_TYPE_OBJECT:
938 case MONO_TYPE_SZARRAY:
939 case MONO_TYPE_ARRAY:
940 return OP_LOAD_MEMBASE;
943 return OP_LOADI8_MEMBASE;
945 return OP_LOADR4_MEMBASE;
947 return OP_LOADR8_MEMBASE;
948 case MONO_TYPE_VALUETYPE:
949 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
950 return OP_LOADX_MEMBASE;
951 case MONO_TYPE_TYPEDBYREF:
952 return OP_LOADV_MEMBASE;
953 case MONO_TYPE_GENERICINST:
954 if (mono_type_generic_inst_is_valuetype (type))
955 return OP_LOADV_MEMBASE;
957 return OP_LOAD_MEMBASE;
961 g_assert (cfg->generic_sharing_context);
962 if (mini_type_var_is_vt (cfg, type))
963 return OP_LOADV_MEMBASE;
965 return OP_LOAD_MEMBASE;
967 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
973 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
975 if (cfg->generic_sharing_context && !type->byref) {
976 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
977 if (mini_type_var_is_vt (cfg, type))
980 return CEE_LDIND_REF;
983 return mono_type_to_ldind (type);
989 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
991 if (cfg->generic_sharing_context && !type->byref) {
992 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
993 if (mini_type_var_is_vt (cfg, type))
996 return CEE_STIND_REF;
999 return mono_type_to_stind (type);
1003 mono_op_imm_to_op (int opcode)
1007 #if SIZEOF_REGISTER == 4
1023 #if SIZEOF_REGISTER == 4
1029 #if SIZEOF_REGISTER == 4
1035 #if SIZEOF_REGISTER == 4
1060 case OP_ISHR_UN_IMM:
1062 case OP_LSHR_UN_IMM:
1066 case OP_IDIV_UN_IMM:
1068 case OP_IREM_UN_IMM:
1073 #if SIZEOF_REGISTER == 4
1079 #if SIZEOF_REGISTER == 4
1096 case OP_COMPARE_IMM:
1098 case OP_ICOMPARE_IMM:
1100 case OP_LOCALLOC_IMM:
1103 printf ("%s\n", mono_inst_name (opcode));
1104 g_assert_not_reached ();
1110 * mono_decompose_op_imm:
1112 * Replace the OP_.._IMM INS with its non IMM variant.
1115 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1119 MONO_INST_NEW (cfg, temp, OP_ICONST);
1120 temp->inst_c0 = ins->inst_imm;
1121 temp->dreg = mono_alloc_ireg (cfg);
1122 mono_bblock_insert_before_ins (bb, ins, temp);
1123 ins->opcode = mono_op_imm_to_op (ins->opcode);
1124 if (ins->opcode == OP_LOCALLOC)
1125 ins->sreg1 = temp->dreg;
1127 ins->sreg2 = temp->dreg;
1129 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1135 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1137 if (vreg >= cfg->vreg_to_inst_len) {
1138 MonoInst **tmp = cfg->vreg_to_inst;
1139 int size = cfg->vreg_to_inst_len;
1141 while (vreg >= cfg->vreg_to_inst_len)
1142 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1143 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1145 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1147 cfg->vreg_to_inst [vreg] = inst;
1150 #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)))
1151 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1156 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1164 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1167 int num = cfg->num_varinfo;
1170 if ((num + 1) >= cfg->varinfo_count) {
1171 int orig_count = cfg->varinfo_count;
1172 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1173 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1174 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1175 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1178 cfg->stat_allocate_var++;
1180 MONO_INST_NEW (cfg, inst, opcode);
1181 inst->inst_c0 = num;
1182 inst->inst_vtype = type;
1183 inst->klass = mono_class_from_mono_type (type);
1184 type_to_eval_stack_type (cfg, type, inst);
1185 /* if set to 1 the variable is native */
1186 inst->backend.is_pinvoke = 0;
1189 if (inst->klass->exception_type)
1190 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1192 if (cfg->compute_gc_maps) {
1194 mono_mark_vreg_as_mp (cfg, vreg);
1196 MonoType *t = mini_type_get_underlying_type (NULL, type);
1197 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1198 inst->flags |= MONO_INST_GC_TRACK;
1199 mono_mark_vreg_as_ref (cfg, vreg);
1204 cfg->varinfo [num] = inst;
1206 MONO_INIT_VARINFO (&cfg->vars [num], num);
1207 MONO_VARINFO (cfg, num)->vreg = vreg;
1210 set_vreg_to_inst (cfg, vreg, inst);
1212 #if SIZEOF_REGISTER == 4
1213 if (mono_arch_is_soft_float ()) {
1214 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1216 regpair = mono_type_is_long (type);
1226 * These two cannot be allocated using create_var_for_vreg since that would
1227 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1231 * Set flags to VOLATILE so SSA skips it.
1234 if (cfg->verbose_level >= 4) {
1235 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1238 if (mono_arch_is_soft_float () && cfg->opt & MONO_OPT_SSA) {
1239 if (mono_type_is_float (type))
1240 inst->flags = MONO_INST_VOLATILE;
1243 /* Allocate a dummy MonoInst for the first vreg */
1244 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1245 tree->dreg = inst->dreg + 1;
1246 if (cfg->opt & MONO_OPT_SSA)
1247 tree->flags = MONO_INST_VOLATILE;
1248 tree->inst_c0 = num;
1249 tree->type = STACK_I4;
1250 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1251 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1253 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1255 /* Allocate a dummy MonoInst for the second vreg */
1256 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1257 tree->dreg = inst->dreg + 2;
1258 if (cfg->opt & MONO_OPT_SSA)
1259 tree->flags = MONO_INST_VOLATILE;
1260 tree->inst_c0 = num;
1261 tree->type = STACK_I4;
1262 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1263 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1265 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1269 if (cfg->verbose_level > 2)
1270 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1275 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1279 if (mono_type_is_long (type))
1280 dreg = mono_alloc_dreg (cfg, STACK_I8);
1281 else if (mono_arch_is_soft_float () && mono_type_is_float (type))
1282 dreg = mono_alloc_dreg (cfg, STACK_R8);
1284 /* All the others are unified */
1285 dreg = mono_alloc_preg (cfg);
1287 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1291 * Transform a MonoInst into a load from the variable of index var_index.
1294 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1295 memset (dest, 0, sizeof (MonoInst));
1296 dest->inst_i0 = cfg->varinfo [var_index];
1297 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1298 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1299 dest->klass = dest->inst_i0->klass;
1305 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1307 if (vreg >= cfg->vreg_is_ref_len) {
1308 gboolean *tmp = cfg->vreg_is_ref;
1309 int size = cfg->vreg_is_ref_len;
1311 while (vreg >= cfg->vreg_is_ref_len)
1312 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1313 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1315 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1317 cfg->vreg_is_ref [vreg] = TRUE;
1321 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1323 if (vreg >= cfg->vreg_is_mp_len) {
1324 gboolean *tmp = cfg->vreg_is_mp;
1325 int size = cfg->vreg_is_mp_len;
1327 while (vreg >= cfg->vreg_is_mp_len)
1328 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1329 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1331 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1333 cfg->vreg_is_mp [vreg] = TRUE;
1337 type_from_stack_type (MonoInst *ins) {
1338 switch (ins->type) {
1339 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1340 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1341 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1342 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1345 * this if used to be commented without any specific reason, but
1346 * it breaks #80235 when commented
1349 return &ins->klass->this_arg;
1351 return &mono_defaults.object_class->this_arg;
1353 /* ins->klass may not be set for ldnull.
1354 * Also, if we have a boxed valuetype, we want an object lass,
1355 * not the valuetype class
1357 if (ins->klass && !ins->klass->valuetype)
1358 return &ins->klass->byval_arg;
1359 return &mono_defaults.object_class->byval_arg;
1360 case STACK_VTYPE: return &ins->klass->byval_arg;
1362 g_error ("stack type %d to montype not handled\n", ins->type);
1368 mono_type_from_stack_type (MonoInst *ins) {
1369 return type_from_stack_type (ins);
1373 * mono_add_ins_to_end:
1375 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1378 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1383 MONO_ADD_INS (bb, inst);
1387 switch (bb->last_ins->opcode) {
1401 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1404 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1405 /* Need to insert the ins before the compare */
1406 if (bb->code == bb->last_ins) {
1407 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1411 if (bb->code->next == bb->last_ins) {
1412 /* Only two instructions */
1413 opcode = bb->code->opcode;
1415 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)) {
1417 mono_bblock_insert_before_ins (bb, bb->code, inst);
1419 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1422 opcode = bb->last_ins->prev->opcode;
1424 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)) {
1426 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1428 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1433 MONO_ADD_INS (bb, inst);
1439 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1441 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1442 MonoJumpInfoBBTable *table;
1444 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1446 table->table_size = num_blocks;
1448 ji->ip.label = label;
1449 ji->type = MONO_PATCH_INFO_SWITCH;
1450 ji->data.table = table;
1451 ji->next = cfg->patch_info;
1452 cfg->patch_info = ji;
1455 static MonoMethodSignature *
1456 mono_get_array_new_va_signature (int arity)
1458 static GHashTable *sighash = NULL;
1459 MonoMethodSignature *res;
1464 sighash = g_hash_table_new (NULL, NULL);
1466 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1471 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1474 #ifdef MONO_ARCH_VARARG_ICALLS
1475 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1476 res->call_convention = MONO_CALL_VARARG;
1480 res->call_convention = MONO_CALL_C;
1483 res->params [0] = &mono_defaults.int_class->byval_arg;
1484 for (i = 0; i < arity; i++)
1485 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1487 res->ret = &mono_defaults.object_class->byval_arg;
1489 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1496 mono_get_array_new_va_icall (int rank)
1498 MonoMethodSignature *esig;
1499 char icall_name [256];
1501 MonoJitICallInfo *info;
1503 /* Need to register the icall so it gets an icall wrapper */
1504 sprintf (icall_name, "ves_array_new_va_%d", rank);
1507 info = mono_find_jit_icall_by_name (icall_name);
1509 esig = mono_get_array_new_va_signature (rank);
1510 name = g_strdup (icall_name);
1511 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1513 g_hash_table_insert (jit_icall_name_hash, name, name);
1521 mini_class_is_system_array (MonoClass *klass)
1523 if (klass->parent == mono_defaults.array_class)
1530 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1532 MonoAssembly *assembly = method->klass->image->assembly;
1533 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1535 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1537 if (mono_security_enabled ())
1539 return mono_assembly_has_skip_verification (assembly);
1543 * mini_method_verify:
1545 * Verify the method using the new verfier.
1547 * Returns true if the method is invalid.
1550 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1553 gboolean is_fulltrust;
1554 MonoLoaderError *error;
1556 if (method->verification_success)
1559 if (!mono_verifier_is_enabled_for_method (method))
1562 /*skip verification implies the assembly must be */
1563 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1565 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1567 if ((error = mono_loader_get_last_error ())) {
1569 cfg->exception_type = error->exception_type;
1571 mono_loader_clear_error ();
1573 mono_free_verify_list (res);
1578 for (tmp = res; tmp; tmp = tmp->next) {
1579 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1580 if (info->info.status == MONO_VERIFY_ERROR) {
1582 char *method_name = mono_method_full_name (method, TRUE);
1583 cfg->exception_type = info->exception_type;
1584 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1585 g_free (method_name);
1587 mono_free_verify_list (res);
1590 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1592 char *method_name = mono_method_full_name (method, TRUE);
1593 cfg->exception_type = info->exception_type;
1594 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1595 g_free (method_name);
1597 mono_free_verify_list (res);
1601 mono_free_verify_list (res);
1603 method->verification_success = 1;
1607 /*Returns true if something went wrong*/
1609 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1611 MonoMethod *method_definition = method;
1612 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1614 while (method_definition->is_inflated) {
1615 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1616 method_definition = imethod->declaring;
1619 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1622 static gconstpointer
1623 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1626 MonoMethod *wrapper;
1627 gconstpointer trampoline;
1628 MonoDomain *domain = mono_get_root_domain ();
1630 if (callinfo->wrapper) {
1631 return callinfo->wrapper;
1634 if (callinfo->trampoline)
1635 return callinfo->trampoline;
1638 * We use the lock on the root domain instead of the JIT lock to protect
1639 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1641 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1642 mono_domain_lock (domain);
1644 if (callinfo->trampoline) {
1645 mono_domain_unlock (domain);
1646 mono_loader_unlock ();
1647 return callinfo->trampoline;
1650 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1651 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1655 trampoline = mono_compile_method (wrapper);
1657 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1658 mono_register_jit_icall_wrapper (callinfo, trampoline);
1660 callinfo->trampoline = trampoline;
1662 mono_domain_unlock (domain);
1663 mono_loader_unlock ();
1665 return callinfo->trampoline;
1669 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1671 return mono_icall_get_wrapper_full (callinfo, FALSE);
1675 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1677 if (!domain_jit_info (domain)->dynamic_code_hash)
1678 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1679 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1682 static MonoJitDynamicMethodInfo*
1683 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1685 MonoJitDynamicMethodInfo *res;
1687 if (domain_jit_info (domain)->dynamic_code_hash)
1688 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1696 GList *active, *inactive;
1701 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1703 MonoMethodVar *v1 = (MonoMethodVar*)a;
1704 MonoMethodVar *v2 = (MonoMethodVar*)b;
1708 else if (v1->interval->range && v2->interval->range)
1709 return v1->interval->range->from - v2->interval->range->from;
1710 else if (v1->interval->range)
1719 #define LSCAN_DEBUG(a) do { a; } while (0)
1721 #define LSCAN_DEBUG(a)
1725 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1727 int i, slot, offset, size;
1732 GList *vars = NULL, *l, *unhandled;
1733 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1736 gboolean reuse_slot;
1738 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1740 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1741 vtype_stack_slots = NULL;
1744 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1745 for (i = 0; i < cfg->num_varinfo; ++i)
1748 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1749 inst = cfg->varinfo [i];
1750 vmv = MONO_VARINFO (cfg, i);
1752 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1755 vars = g_list_prepend (vars, vmv);
1758 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1763 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1764 MonoMethodVar *current = unhandled->data;
1766 if (current->interval->range) {
1767 g_assert (current->interval->range->from >= i);
1768 i = current->interval->range->from;
1775 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1776 MonoMethodVar *current = unhandled->data;
1779 inst = cfg->varinfo [vmv->idx];
1781 t = mono_type_get_underlying_type (inst->inst_vtype);
1782 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1785 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1786 * pinvoke wrappers when they call functions returning structures */
1787 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1788 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1793 size = mono_type_size (t, &ialign);
1796 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1801 if (cfg->disable_reuse_stack_slots)
1805 case MONO_TYPE_GENERICINST:
1806 if (!mono_type_generic_inst_is_valuetype (t)) {
1807 slot_info = &scalar_stack_slots [t->type];
1811 case MONO_TYPE_VALUETYPE:
1812 if (!vtype_stack_slots)
1813 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1814 for (i = 0; i < nvtypes; ++i)
1815 if (t->data.klass == vtype_stack_slots [i].vtype)
1818 slot_info = &vtype_stack_slots [i];
1820 g_assert (nvtypes < 256);
1821 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1822 slot_info = &vtype_stack_slots [nvtypes];
1825 if (cfg->disable_reuse_ref_stack_slots)
1832 #if SIZEOF_VOID_P == 4
1837 if (cfg->disable_ref_noref_stack_slot_share) {
1838 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1843 case MONO_TYPE_CLASS:
1844 case MONO_TYPE_OBJECT:
1845 case MONO_TYPE_ARRAY:
1846 case MONO_TYPE_SZARRAY:
1847 case MONO_TYPE_STRING:
1848 /* Share non-float stack slots of the same size */
1849 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1850 if (cfg->disable_reuse_ref_stack_slots)
1855 slot_info = &scalar_stack_slots [t->type];
1859 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1863 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1865 if (!current->interval->range) {
1866 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1870 inst->flags |= MONO_INST_IS_DEAD;
1875 pos = current->interval->range->from;
1877 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1878 if (current->interval->range)
1879 LSCAN_DEBUG (mono_linterval_print (current->interval));
1880 LSCAN_DEBUG (printf ("\n"));
1882 /* Check for intervals in active which expired or inactive */
1884 /* FIXME: Optimize this */
1887 for (l = slot_info->active; l != NULL; l = l->next) {
1888 MonoMethodVar *v = (MonoMethodVar*)l->data;
1890 if (v->interval->last_range->to < pos) {
1891 slot_info->active = g_list_delete_link (slot_info->active, l);
1892 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1893 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1897 else if (!mono_linterval_covers (v->interval, pos)) {
1898 slot_info->inactive = g_list_append (slot_info->inactive, v);
1899 slot_info->active = g_list_delete_link (slot_info->active, l);
1900 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1907 /* Check for intervals in inactive which expired or active */
1909 /* FIXME: Optimize this */
1912 for (l = slot_info->inactive; l != NULL; l = l->next) {
1913 MonoMethodVar *v = (MonoMethodVar*)l->data;
1915 if (v->interval->last_range->to < pos) {
1916 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1917 // FIXME: Enabling this seems to cause impossible to debug crashes
1918 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1919 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1923 else if (mono_linterval_covers (v->interval, pos)) {
1924 slot_info->active = g_list_append (slot_info->active, v);
1925 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1926 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1934 * This also handles the case when the variable is used in an
1935 * exception region, as liveness info is not computed there.
1938 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1941 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1942 if (slot_info->slots) {
1943 slot = GPOINTER_TO_INT (slot_info->slots->data);
1945 slot_info->slots = slot_info->slots->next;
1948 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1950 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1956 static int count = 0;
1959 if (count == atoi (getenv ("COUNT3")))
1960 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1961 if (count > atoi (getenv ("COUNT3")))
1964 mono_print_ins (inst);
1969 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1971 if (inst->flags & MONO_INST_LMF) {
1972 size = sizeof (MonoLMF);
1973 align = sizeof (mgreg_t);
1980 if (slot == 0xffffff) {
1982 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1983 * efficient copying (and to work around the fact that OP_MEMCPY
1984 * and OP_MEMSET ignores alignment).
1986 if (MONO_TYPE_ISSTRUCT (t)) {
1987 align = MAX (align, sizeof (gpointer));
1988 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1993 offset += align - 1;
1994 offset &= ~(align - 1);
1998 offset += align - 1;
1999 offset &= ~(align - 1);
2004 if (*stack_align == 0)
2005 *stack_align = align;
2008 offsets [vmv->idx] = slot;
2011 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2012 if (scalar_stack_slots [i].active)
2013 g_list_free (scalar_stack_slots [i].active);
2015 for (i = 0; i < nvtypes; ++i) {
2016 if (vtype_stack_slots [i].active)
2017 g_list_free (vtype_stack_slots [i].active);
2020 cfg->stat_locals_stack_size += offset;
2022 *stack_size = offset;
2027 * mono_allocate_stack_slots:
2029 * Allocate stack slots for all non register allocated variables using a
2030 * linear scan algorithm.
2031 * Returns: an array of stack offsets.
2032 * STACK_SIZE is set to the amount of stack space needed.
2033 * STACK_ALIGN is set to the alignment needed by the locals area.
2036 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2038 int i, slot, offset, size;
2043 GList *vars = NULL, *l;
2044 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2047 gboolean reuse_slot;
2049 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2050 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2052 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2053 vtype_stack_slots = NULL;
2056 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2057 for (i = 0; i < cfg->num_varinfo; ++i)
2060 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2061 inst = cfg->varinfo [i];
2062 vmv = MONO_VARINFO (cfg, i);
2064 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2067 vars = g_list_prepend (vars, vmv);
2070 vars = mono_varlist_sort (cfg, vars, 0);
2072 *stack_align = sizeof(mgreg_t);
2073 for (l = vars; l; l = l->next) {
2075 inst = cfg->varinfo [vmv->idx];
2077 t = mono_type_get_underlying_type (inst->inst_vtype);
2078 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2081 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2082 * pinvoke wrappers when they call functions returning structures */
2083 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2084 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2088 size = mono_type_size (t, &ialign);
2091 if (mono_class_from_mono_type (t)->exception_type)
2092 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2094 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2099 if (cfg->disable_reuse_stack_slots)
2103 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2106 case MONO_TYPE_GENERICINST:
2107 if (!mono_type_generic_inst_is_valuetype (t)) {
2108 slot_info = &scalar_stack_slots [t->type];
2112 case MONO_TYPE_VALUETYPE:
2113 if (!vtype_stack_slots)
2114 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2115 for (i = 0; i < nvtypes; ++i)
2116 if (t->data.klass == vtype_stack_slots [i].vtype)
2119 slot_info = &vtype_stack_slots [i];
2121 g_assert (nvtypes < 256);
2122 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2123 slot_info = &vtype_stack_slots [nvtypes];
2126 if (cfg->disable_reuse_ref_stack_slots)
2133 #if SIZEOF_VOID_P == 4
2138 if (cfg->disable_ref_noref_stack_slot_share) {
2139 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2144 case MONO_TYPE_CLASS:
2145 case MONO_TYPE_OBJECT:
2146 case MONO_TYPE_ARRAY:
2147 case MONO_TYPE_SZARRAY:
2148 case MONO_TYPE_STRING:
2149 /* Share non-float stack slots of the same size */
2150 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2151 if (cfg->disable_reuse_ref_stack_slots)
2155 case MONO_TYPE_MVAR:
2156 slot_info = &scalar_stack_slots [t->type];
2159 slot_info = &scalar_stack_slots [t->type];
2165 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2166 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2168 /* expire old intervals in active */
2169 while (slot_info->active) {
2170 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2172 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2175 //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);
2177 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2178 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2182 * This also handles the case when the variable is used in an
2183 * exception region, as liveness info is not computed there.
2186 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2189 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2190 if (slot_info->slots) {
2191 slot = GPOINTER_TO_INT (slot_info->slots->data);
2193 slot_info->slots = slot_info->slots->next;
2196 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2201 static int count = 0;
2205 if (count == atoi (getenv ("COUNT")))
2206 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2207 if (count > atoi (getenv ("COUNT")))
2210 mono_print_ins (inst);
2215 if (inst->flags & MONO_INST_LMF) {
2217 * This variable represents a MonoLMF structure, which has no corresponding
2218 * CLR type, so hard-code its size/alignment.
2220 size = sizeof (MonoLMF);
2221 align = sizeof (mgreg_t);
2228 if (slot == 0xffffff) {
2230 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2231 * efficient copying (and to work around the fact that OP_MEMCPY
2232 * and OP_MEMSET ignores alignment).
2234 if (MONO_TYPE_ISSTRUCT (t)) {
2235 align = MAX (align, sizeof (gpointer));
2236 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2238 * Align the size too so the code generated for passing vtypes in
2239 * registers doesn't overwrite random locals.
2241 size = (size + (align - 1)) & ~(align -1);
2246 offset += align - 1;
2247 offset &= ~(align - 1);
2251 offset += align - 1;
2252 offset &= ~(align - 1);
2257 *stack_align = MAX (*stack_align, align);
2260 offsets [vmv->idx] = slot;
2263 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2264 if (scalar_stack_slots [i].active)
2265 g_list_free (scalar_stack_slots [i].active);
2267 for (i = 0; i < nvtypes; ++i) {
2268 if (vtype_stack_slots [i].active)
2269 g_list_free (vtype_stack_slots [i].active);
2272 cfg->stat_locals_stack_size += offset;
2274 *stack_size = offset;
2281 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2283 g_assert_not_reached ();
2287 #endif /* DISABLE_JIT */
2289 #define EMUL_HIT_SHIFT 3
2290 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2291 /* small hit bitmap cache */
2292 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2293 static short emul_opcode_num = 0;
2294 static short emul_opcode_alloced = 0;
2295 static short *emul_opcode_opcodes = NULL;
2296 static MonoJitICallInfo **emul_opcode_map = NULL;
2299 mono_find_jit_opcode_emulation (int opcode)
2301 g_assert (opcode >= 0 && opcode <= OP_LAST);
2302 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2304 for (i = 0; i < emul_opcode_num; ++i) {
2305 if (emul_opcode_opcodes [i] == opcode)
2306 return emul_opcode_map [i];
2313 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
2315 MonoJitICallInfo *info;
2316 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2318 g_assert (!sig->hasthis);
2319 g_assert (sig->param_count < 3);
2321 info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol);
2323 if (emul_opcode_num >= emul_opcode_alloced) {
2324 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2325 emul_opcode_alloced += incr;
2326 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2327 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2329 emul_opcode_map [emul_opcode_num] = info;
2330 emul_opcode_opcodes [emul_opcode_num] = opcode;
2332 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2336 * For JIT icalls implemented in C.
2337 * NAME should be the same as the name of the C function whose address is FUNC.
2340 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2342 MonoMethodSignature *sig;
2345 sig = mono_create_icall_signature (sigstr);
2349 mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
2353 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2355 MonoMethodSignature *sig;
2358 sig = mono_create_icall_signature (sigstr);
2362 mono_register_jit_icall (func, name, sig, save);
2366 print_dfn (MonoCompile *cfg) {
2373 char *method_name = mono_method_full_name (cfg->method, TRUE);
2374 g_print ("IR code for method %s\n", method_name);
2375 g_free (method_name);
2378 for (i = 0; i < cfg->num_bblocks; ++i) {
2379 bb = cfg->bblocks [i];
2380 /*if (bb->cil_code) {
2381 char* code1, *code2;
2382 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2383 if (bb->last_ins->cil_code)
2384 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2386 code2 = g_strdup ("");
2388 code1 [strlen (code1) - 1] = 0;
2389 code = g_strdup_printf ("%s -> %s", code1, code2);
2393 code = g_strdup ("\n");
2394 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2395 MONO_BB_FOR_EACH_INS (bb, c) {
2396 mono_print_ins_index (-1, c);
2399 g_print ("\tprev:");
2400 for (j = 0; j < bb->in_count; ++j) {
2401 g_print (" BB%d", bb->in_bb [j]->block_num);
2403 g_print ("\t\tsucc:");
2404 for (j = 0; j < bb->out_count; ++j) {
2405 g_print (" BB%d", bb->out_bb [j]->block_num);
2407 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2410 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2413 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2415 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2423 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2425 MONO_ADD_INS (bb, inst);
2429 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2433 bb->code = ins_to_insert;
2435 /* Link with next */
2436 ins_to_insert->next = ins;
2438 ins->prev = ins_to_insert;
2440 if (bb->last_ins == NULL)
2441 bb->last_ins = ins_to_insert;
2443 /* Link with next */
2444 ins_to_insert->next = ins->next;
2446 ins->next->prev = ins_to_insert;
2448 /* Link with previous */
2449 ins->next = ins_to_insert;
2450 ins_to_insert->prev = ins;
2452 if (bb->last_ins == ins)
2453 bb->last_ins = ins_to_insert;
2458 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2463 ins->prev = ins_to_insert;
2464 bb->code = ins_to_insert;
2465 ins_to_insert->next = ins;
2466 if (bb->last_ins == NULL)
2467 bb->last_ins = ins_to_insert;
2469 /* Link with previous */
2471 ins->prev->next = ins_to_insert;
2472 ins_to_insert->prev = ins->prev;
2474 /* Link with next */
2475 ins->prev = ins_to_insert;
2476 ins_to_insert->next = ins;
2478 if (bb->code == ins)
2479 bb->code = ins_to_insert;
2484 * mono_verify_bblock:
2486 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2489 mono_verify_bblock (MonoBasicBlock *bb)
2491 MonoInst *ins, *prev;
2494 for (ins = bb->code; ins; ins = ins->next) {
2495 g_assert (ins->prev == prev);
2499 g_assert (!bb->last_ins->next);
2505 * Perform consistency checks on the JIT data structures and the IR
2508 mono_verify_cfg (MonoCompile *cfg)
2512 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2513 mono_verify_bblock (bb);
2517 mono_destroy_compile (MonoCompile *cfg)
2522 mono_metadata_free_mh (cfg->header);
2523 //mono_mempool_stats (cfg->mempool);
2524 mono_free_loop_info (cfg);
2526 mono_regstate_free (cfg->rs);
2528 g_hash_table_destroy (cfg->spvars);
2530 g_hash_table_destroy (cfg->exvars);
2531 for (l = cfg->headers_to_free; l; l = l->next)
2532 mono_metadata_free_mh (l->data);
2533 g_list_free (cfg->ldstr_list);
2534 g_hash_table_destroy (cfg->token_info_hash);
2535 if (cfg->abs_patches)
2536 g_hash_table_destroy (cfg->abs_patches);
2537 mono_mempool_destroy (cfg->mempool);
2539 mono_debug_free_method (cfg);
2541 g_free (cfg->varinfo);
2543 g_free (cfg->exception_message);
2547 #ifdef MONO_HAVE_FAST_TLS
2548 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2549 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2551 * When this is defined, the current lmf is stored in this tls variable instead of in
2554 MONO_FAST_TLS_DECLARE(mono_lmf);
2559 mono_get_jit_tls_key (void)
2561 return mono_jit_tls_id;
2565 mono_get_jit_tls_offset (void)
2568 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2573 mono_get_lmf_tls_offset (void)
2575 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2577 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2585 mono_get_lmf_addr_tls_offset (void)
2588 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2595 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2596 return MONO_FAST_TLS_GET (mono_lmf);
2598 MonoJitTlsData *jit_tls;
2600 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2601 return jit_tls->lmf;
2603 * We do not assert here because this function can be called from
2604 * mini-gc.c on a thread that has not executed any managed code, yet
2605 * (the thread object allocation can trigger a collection).
2612 mono_get_lmf_addr (void)
2614 #ifdef MONO_HAVE_FAST_TLS
2615 return MONO_FAST_TLS_GET (mono_lmf_addr);
2617 MonoJitTlsData *jit_tls;
2619 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2620 if (G_LIKELY (jit_tls))
2621 return &jit_tls->lmf;
2624 * When resolving the call to mono_jit_thread_attach full-aot will look
2625 * in the plt, which causes a call into the generic trampoline, which in turn
2626 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2627 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2628 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2631 mono_jit_thread_attach (NULL);
2633 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2634 return &jit_tls->lmf;
2636 g_assert_not_reached ();
2642 mono_set_lmf (MonoLMF *lmf)
2644 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2645 MONO_FAST_TLS_SET (mono_lmf, lmf);
2648 (*mono_get_lmf_addr ()) = lmf;
2652 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2654 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2656 #ifdef MONO_HAVE_FAST_TLS
2657 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2662 mono_set_lmf_addr (gpointer lmf_addr)
2664 #ifdef MONO_HAVE_FAST_TLS
2665 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2670 * mono_jit_thread_attach:
2672 * Called by native->managed wrappers. Returns the original domain which needs to be
2673 * restored, or NULL.
2676 mono_jit_thread_attach (MonoDomain *domain)
2682 * Happens when called from AOTed code which is only used in the root
2685 domain = mono_get_root_domain ();
2687 #ifdef MONO_HAVE_FAST_TLS
2688 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2689 mono_thread_attach (domain);
2691 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2694 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2695 mono_thread_attach (domain);
2696 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2699 orig = mono_domain_get ();
2701 mono_domain_set (domain, TRUE);
2703 return orig != domain ? orig : NULL;
2706 /* Called by native->managed wrappers */
2708 mono_jit_set_domain (MonoDomain *domain)
2711 mono_domain_set (domain, TRUE);
2715 * mono_thread_abort:
2716 * @obj: exception object
2718 * abort the thread, print exception information and stack trace
2721 mono_thread_abort (MonoObject *obj)
2723 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2725 /* handle_remove should be eventually called for this thread, too
2728 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2729 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2730 mono_thread_exit ();
2732 mono_invoke_unhandled_exception_hook (obj);
2737 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2739 MonoJitTlsData *jit_tls;
2742 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2746 jit_tls = g_new0 (MonoJitTlsData, 1);
2748 jit_tls->abort_func = abort_func;
2749 jit_tls->end_of_stack = stack_start;
2751 mono_set_jit_tls (jit_tls);
2753 lmf = g_new0 (MonoLMF, 1);
2754 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2756 jit_tls->first_lmf = lmf;
2758 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2759 /* jit_tls->lmf is unused */
2760 MONO_FAST_TLS_SET (mono_lmf, lmf);
2761 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2763 mono_set_lmf_addr (&jit_tls->lmf);
2768 #ifdef MONO_ARCH_HAVE_TLS_INIT
2769 mono_arch_tls_init ();
2772 mono_setup_altstack (jit_tls);
2778 free_jit_tls_data (MonoJitTlsData *jit_tls)
2780 mono_arch_free_jit_tls_data (jit_tls);
2781 mono_free_altstack (jit_tls);
2783 g_free (jit_tls->first_lmf);
2788 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2790 MonoInternalThread *thread;
2791 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2792 thread = mono_thread_internal_current ();
2793 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2795 thread->jit_data = jit_tls;
2797 mono_arch_cpu_init ();
2800 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2803 mono_thread_abort_dummy (MonoObject *obj)
2805 if (mono_thread_attach_aborted_cb)
2806 mono_thread_attach_aborted_cb (obj);
2808 mono_thread_abort (obj);
2812 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2814 MonoInternalThread *thread;
2815 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2816 thread = mono_thread_internal_current ();
2817 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2819 thread->jit_data = jit_tls;
2820 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2821 mono_runtime_setup_stat_profiler ();
2823 mono_arch_cpu_init ();
2827 mini_thread_cleanup (MonoInternalThread *thread)
2829 MonoJitTlsData *jit_tls = thread->jit_data;
2832 mono_debugger_thread_cleanup (jit_tls);
2834 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2835 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2836 * not a trivial thing.
2838 * The current offender is mono_thread_manage which cleanup threads from the outside.
2840 if (thread == mono_thread_internal_current ())
2841 mono_set_jit_tls (NULL);
2843 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2844 if (mono_get_lmf ()) {
2845 mono_set_lmf (NULL);
2846 mono_set_lmf_addr (NULL);
2849 free_jit_tls_data (jit_tls);
2851 thread->jit_data = NULL;
2856 mini_get_tls_offset (MonoJitTlsKey key)
2861 case TLS_KEY_THREAD:
2862 offset = mono_thread_get_tls_offset ();
2864 case TLS_KEY_JIT_TLS:
2865 offset = mono_get_jit_tls_offset ();
2867 case TLS_KEY_DOMAIN:
2868 offset = mono_domain_get_tls_offset ();
2871 offset = mono_get_lmf_tls_offset ();
2874 g_assert_not_reached ();
2882 mono_create_tls_get_offset (MonoCompile *cfg, int offset)
2886 if (!MONO_ARCH_HAVE_TLS_GET)
2892 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2893 ins->dreg = mono_alloc_preg (cfg);
2894 ins->inst_offset = offset;
2899 mono_create_tls_get (MonoCompile *cfg, MonoJitTlsKey key)
2902 * TLS offsets might be different at AOT time, so load them from a GOT slot and
2903 * use a different opcode.
2905 if (cfg->compile_aot && MONO_ARCH_HAVE_TLS_GET && ARCH_HAVE_TLS_GET_REG) {
2908 EMIT_NEW_TLS_OFFSETCONST (cfg, c, key);
2909 MONO_INST_NEW (cfg, ins, OP_TLS_GET_REG);
2910 ins->dreg = mono_alloc_preg (cfg);
2911 ins->sreg1 = c->dreg;
2915 return mono_create_tls_get_offset (cfg, mini_get_tls_offset (key));
2919 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2921 return mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
2925 mono_get_domain_intrinsic (MonoCompile* cfg)
2927 return mono_create_tls_get (cfg, TLS_KEY_DOMAIN);
2931 mono_get_thread_intrinsic (MonoCompile* cfg)
2933 return mono_create_tls_get (cfg, TLS_KEY_THREAD);
2937 mono_get_lmf_intrinsic (MonoCompile* cfg)
2939 return mono_create_tls_get (cfg, TLS_KEY_LMF);
2943 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2945 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2949 ji->data.target = target;
2950 ji->next = cfg->patch_info;
2952 cfg->patch_info = ji;
2956 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2958 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2962 ji->data.target = target;
2969 mono_remove_patch_info (MonoCompile *cfg, int ip)
2971 MonoJumpInfo **ji = &cfg->patch_info;
2974 if ((*ji)->ip.i == ip)
2977 ji = &((*ji)->next);
2982 * mono_patch_info_dup_mp:
2984 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2987 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2989 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2990 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2992 switch (patch_info->type) {
2993 case MONO_PATCH_INFO_RVA:
2994 case MONO_PATCH_INFO_LDSTR:
2995 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2996 case MONO_PATCH_INFO_LDTOKEN:
2997 case MONO_PATCH_INFO_DECLSEC:
2998 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2999 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
3001 case MONO_PATCH_INFO_SWITCH:
3002 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
3003 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
3004 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3005 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3007 case MONO_PATCH_INFO_RGCTX_FETCH:
3008 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
3009 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
3010 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
3012 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3013 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
3014 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3016 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3017 MonoGSharedVtMethodInfo *info;
3018 MonoGSharedVtMethodInfo *oinfo;
3021 oinfo = patch_info->data.gsharedvt_method;
3022 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
3023 res->data.gsharedvt_method = info;
3024 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
3025 info->entries = g_ptr_array_new ();
3026 if (oinfo->entries) {
3027 for (i = 0; i < oinfo->entries->len; ++i) {
3028 MonoRuntimeGenericContextInfoTemplate *otemplate = g_ptr_array_index (oinfo->entries, i);
3029 MonoRuntimeGenericContextInfoTemplate *template = mono_mempool_alloc0 (mp, sizeof (MonoRuntimeGenericContextInfoTemplate));
3031 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3032 g_ptr_array_add (info->entries, template);
3035 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
3036 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
3047 mono_patch_info_hash (gconstpointer data)
3049 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
3052 case MONO_PATCH_INFO_RVA:
3053 case MONO_PATCH_INFO_LDSTR:
3054 case MONO_PATCH_INFO_LDTOKEN:
3055 case MONO_PATCH_INFO_DECLSEC:
3056 return (ji->type << 8) | ji->data.token->token;
3057 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3058 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
3059 case MONO_PATCH_INFO_INTERNAL_METHOD:
3060 return (ji->type << 8) | g_str_hash (ji->data.name);
3061 case MONO_PATCH_INFO_VTABLE:
3062 case MONO_PATCH_INFO_CLASS:
3063 case MONO_PATCH_INFO_IID:
3064 case MONO_PATCH_INFO_ADJUSTED_IID:
3065 case MONO_PATCH_INFO_CLASS_INIT:
3066 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3067 case MONO_PATCH_INFO_METHODCONST:
3068 case MONO_PATCH_INFO_METHOD:
3069 case MONO_PATCH_INFO_METHOD_JUMP:
3070 case MONO_PATCH_INFO_IMAGE:
3071 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3072 case MONO_PATCH_INFO_ICALL_ADDR:
3073 case MONO_PATCH_INFO_FIELD:
3074 case MONO_PATCH_INFO_SFLDA:
3075 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3076 case MONO_PATCH_INFO_METHOD_RGCTX:
3077 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3078 case MONO_PATCH_INFO_SIGNATURE:
3079 case MONO_PATCH_INFO_TLS_OFFSET:
3080 return (ji->type << 8) | (gssize)ji->data.target;
3081 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3082 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
3083 case MONO_PATCH_INFO_RGCTX_FETCH: {
3084 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
3086 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
3088 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3089 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
3090 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
3091 case MONO_PATCH_INFO_JIT_TLS_ID:
3092 case MONO_PATCH_INFO_MONITOR_ENTER:
3093 case MONO_PATCH_INFO_MONITOR_EXIT:
3094 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3095 case MONO_PATCH_INFO_GOT_OFFSET:
3096 return (ji->type << 8);
3097 case MONO_PATCH_INFO_SWITCH:
3098 return (ji->type << 8) | ji->data.table->table_size;
3099 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3100 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
3102 printf ("info type: %d\n", ji->type);
3103 mono_print_ji (ji); printf ("\n");
3104 g_assert_not_reached ();
3110 * mono_patch_info_equal:
3112 * This might fail to recognize equivalent patches, i.e. floats, so its only
3113 * usable in those cases where this is not a problem, i.e. sharing GOT slots
3117 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
3119 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
3120 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
3122 if (ji1->type != ji2->type)
3125 switch (ji1->type) {
3126 case MONO_PATCH_INFO_RVA:
3127 case MONO_PATCH_INFO_LDSTR:
3128 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3129 case MONO_PATCH_INFO_LDTOKEN:
3130 case MONO_PATCH_INFO_DECLSEC:
3131 if ((ji1->data.token->image != ji2->data.token->image) ||
3132 (ji1->data.token->token != ji2->data.token->token) ||
3133 (ji1->data.token->has_context != ji2->data.token->has_context) ||
3134 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
3135 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
3138 case MONO_PATCH_INFO_INTERNAL_METHOD:
3139 return g_str_equal (ji1->data.name, ji2->data.name);
3140 case MONO_PATCH_INFO_RGCTX_FETCH: {
3141 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3142 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3144 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);
3146 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3147 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
3148 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
3150 return c1->sig == c2->sig && c1->method == c2->method;
3152 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3153 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
3155 if (ji1->data.target != ji2->data.target)
3164 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3166 unsigned char *ip = patch_info->ip.i + code;
3167 gconstpointer target = NULL;
3169 switch (patch_info->type) {
3170 case MONO_PATCH_INFO_BB:
3172 * FIXME: This could be hit for methods without a prolog. Should use -1
3173 * but too much code depends on a 0 initial value.
3175 //g_assert (patch_info->data.bb->native_offset);
3176 target = patch_info->data.bb->native_offset + code;
3178 case MONO_PATCH_INFO_ABS:
3179 target = patch_info->data.target;
3181 case MONO_PATCH_INFO_LABEL:
3182 target = patch_info->data.inst->inst_c0 + code;
3184 case MONO_PATCH_INFO_IP:
3185 #if defined(__native_client__) && defined(__native_client_codegen__)
3186 /* Need to transform to the destination address, it's */
3187 /* emitted as an immediate in the code. */
3188 target = nacl_inverse_modify_patch_target(ip);
3193 case MONO_PATCH_INFO_METHOD_REL:
3194 target = code + patch_info->data.offset;
3196 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3197 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3199 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3200 g_assert_not_reached ();
3202 target = mono_icall_get_wrapper (mi);
3205 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3206 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3208 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3209 g_assert_not_reached ();
3214 case MONO_PATCH_INFO_METHOD_JUMP:
3215 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3216 #if defined(__native_client__) && defined(__native_client_codegen__)
3217 # if defined(TARGET_AMD64)
3218 /* This target is an absolute address, not relative to the */
3219 /* current code being emitted on AMD64. */
3220 target = nacl_inverse_modify_patch_target(target);
3224 case MONO_PATCH_INFO_METHOD:
3225 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
3227 * If we use jumptables, for recursive calls we cannot
3228 * avoid trampoline, as we not yet know where we will
3231 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3233 if (patch_info->data.method == method) {
3236 /* get the trampoline to the method from the domain */
3237 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3241 case MONO_PATCH_INFO_SWITCH: {
3242 gpointer *jump_table;
3244 #if defined(__native_client__) && defined(__native_client_codegen__)
3245 /* This memory will leak, but we don't care if we're */
3246 /* not deleting JIT'd methods anyway */
3247 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3249 if (method && method->dynamic) {
3250 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3252 if (mono_aot_only) {
3253 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3255 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3260 for (i = 0; i < patch_info->data.table->table_size; i++) {
3261 #if defined(__native_client__) && defined(__native_client_codegen__)
3262 /* 'code' is relative to the current code blob, we */
3263 /* need to do this transform on it to make the */
3264 /* pointers in this table absolute */
3265 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3267 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3271 #if defined(__native_client__) && defined(__native_client_codegen__)
3272 /* jump_table is in the data section, we need to transform */
3273 /* it here so when it gets modified in amd64_patch it will */
3274 /* then point back to the absolute data address */
3275 target = nacl_inverse_modify_patch_target (jump_table);
3277 target = jump_table;
3281 case MONO_PATCH_INFO_METHODCONST:
3282 case MONO_PATCH_INFO_CLASS:
3283 case MONO_PATCH_INFO_IMAGE:
3284 case MONO_PATCH_INFO_FIELD:
3285 case MONO_PATCH_INFO_SIGNATURE:
3286 target = patch_info->data.target;
3288 case MONO_PATCH_INFO_IID:
3289 mono_class_init (patch_info->data.klass);
3290 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3292 case MONO_PATCH_INFO_ADJUSTED_IID:
3293 mono_class_init (patch_info->data.klass);
3294 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3296 case MONO_PATCH_INFO_VTABLE:
3297 target = mono_class_vtable (domain, patch_info->data.klass);
3300 case MONO_PATCH_INFO_CLASS_INIT: {
3301 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3304 target = mono_create_class_init_trampoline (vtable);
3307 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3308 target = mono_create_delegate_trampoline (domain, patch_info->data.klass);
3310 case MONO_PATCH_INFO_SFLDA: {
3311 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3313 if (mono_class_field_is_special_static (patch_info->data.field)) {
3314 gpointer addr = NULL;
3316 mono_domain_lock (domain);
3317 if (domain->special_static_fields)
3318 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3319 mono_domain_unlock (domain);
3325 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3326 /* Done by the generated code */
3330 mono_runtime_class_init (vtable);
3332 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3335 case MONO_PATCH_INFO_RVA: {
3336 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3339 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3340 target = mono_image_rva_map (patch_info->data.token->image, rva);
3343 case MONO_PATCH_INFO_R4:
3344 case MONO_PATCH_INFO_R8:
3345 target = patch_info->data.target;
3347 case MONO_PATCH_INFO_EXC_NAME:
3348 target = patch_info->data.name;
3350 case MONO_PATCH_INFO_LDSTR:
3352 mono_ldstr (domain, patch_info->data.token->image,
3353 mono_metadata_token_index (patch_info->data.token->token));
3355 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3357 MonoClass *handle_class;
3359 handle = mono_ldtoken (patch_info->data.token->image,
3360 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3361 mono_class_init (handle_class);
3362 mono_class_init (mono_class_from_mono_type (handle));
3365 mono_type_get_object (domain, handle);
3368 case MONO_PATCH_INFO_LDTOKEN: {
3370 MonoClass *handle_class;
3372 handle = mono_ldtoken (patch_info->data.token->image,
3373 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3374 mono_class_init (handle_class);
3379 case MONO_PATCH_INFO_DECLSEC:
3380 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3382 case MONO_PATCH_INFO_ICALL_ADDR:
3383 /* run_cctors == 0 -> AOT */
3384 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3385 const char *exc_class;
3386 const char *exc_arg;
3389 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3392 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3393 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));
3399 target = mono_lookup_internal_call (patch_info->data.method);
3401 if (!target && run_cctors)
3402 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3405 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3406 target = mono_thread_interruption_request_flag ();
3408 case MONO_PATCH_INFO_METHOD_RGCTX: {
3409 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3412 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3415 case MONO_PATCH_INFO_BB_OVF:
3416 case MONO_PATCH_INFO_EXC_OVF:
3417 case MONO_PATCH_INFO_GOT_OFFSET:
3418 case MONO_PATCH_INFO_NONE:
3420 case MONO_PATCH_INFO_RGCTX_FETCH: {
3421 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3424 switch (entry->data->type) {
3425 case MONO_PATCH_INFO_CLASS:
3426 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method));
3428 case MONO_PATCH_INFO_METHOD:
3429 case MONO_PATCH_INFO_METHODCONST:
3430 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method));
3432 case MONO_PATCH_INFO_FIELD:
3433 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method));
3435 case MONO_PATCH_INFO_SIGNATURE:
3436 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.sig, entry->info_type, mono_method_get_context (entry->method));
3438 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3439 MonoJumpInfoGSharedVtCall *call_info = g_malloc0 (sizeof (MonoJumpInfoGSharedVtCall)); //mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
3441 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3442 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
3445 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3446 MonoGSharedVtMethodInfo *info;
3447 MonoGSharedVtMethodInfo *oinfo = entry->data->data.gsharedvt_method;
3450 /* Make a copy into the domain mempool */
3451 info = g_malloc0 (sizeof (MonoGSharedVtMethodInfo)); //mono_domain_alloc0 (domain, sizeof (MonoGSharedVtMethodInfo));
3452 info->method = oinfo->method;
3453 info->entries = g_ptr_array_new ();
3454 for (i = 0; i < oinfo->entries->len; ++i) {
3455 MonoRuntimeGenericContextInfoTemplate *otemplate = g_ptr_array_index (oinfo->entries, i);
3456 MonoRuntimeGenericContextInfoTemplate *template = g_malloc0 (sizeof (MonoRuntimeGenericContextInfoTemplate));
3458 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3459 g_ptr_array_add (info->entries, template);
3461 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, info, entry->info_type, mono_method_get_context (entry->method));
3465 g_assert_not_reached ();
3469 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3472 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3473 target = mono_create_generic_class_init_trampoline ();
3475 case MONO_PATCH_INFO_MONITOR_ENTER:
3476 target = mono_create_monitor_enter_trampoline ();
3478 case MONO_PATCH_INFO_MONITOR_EXIT:
3479 target = mono_create_monitor_exit_trampoline ();
3481 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3482 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3484 /* AOT, not needed */
3487 target = mono_arch_get_seq_point_info (domain, code);
3490 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3491 #ifdef MONO_ARCH_LLVM_SUPPORTED
3492 g_assert (mono_use_llvm);
3493 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3495 g_assert_not_reached ();
3498 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3499 int card_table_shift_bits;
3500 gpointer card_table_mask;
3502 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3505 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3506 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3509 case MONO_PATCH_INFO_JIT_TLS_ID: {
3510 target = (gpointer) (size_t) mono_jit_tls_id;
3513 case MONO_PATCH_INFO_TLS_OFFSET:
3514 target = GINT_TO_POINTER (mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target)));
3517 g_assert_not_reached ();
3520 return (gpointer)target;
3524 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3526 ins->inst_offset = native_offset;
3527 g_ptr_array_add (cfg->seq_points, ins);
3529 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3530 bb->last_seq_point = ins;
3535 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3537 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3540 g_assert (offset == 0);
3542 entry->is_reg = is_reg;
3544 entry->offset = offset;
3548 if (var == cfg->args [0])
3549 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3550 else if (var == cfg->rgctx_var)
3551 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3557 mono_compile_create_vars (MonoCompile *cfg)
3559 MonoMethodSignature *sig;
3560 MonoMethodHeader *header;
3563 header = cfg->header;
3565 sig = mono_method_signature (cfg->method);
3567 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3568 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3569 /* Inhibit optimizations */
3570 cfg->ret->flags |= MONO_INST_VOLATILE;
3572 if (cfg->verbose_level > 2)
3573 g_print ("creating vars\n");
3575 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3578 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3580 for (i = 0; i < sig->param_count; ++i) {
3581 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3584 if (cfg->verbose_level > 2) {
3586 printf ("\treturn : ");
3587 mono_print_ins (cfg->ret);
3591 printf ("\tthis: ");
3592 mono_print_ins (cfg->args [0]);
3595 for (i = 0; i < sig->param_count; ++i) {
3596 printf ("\targ [%d]: ", i);
3597 mono_print_ins (cfg->args [i + sig->hasthis]);
3601 cfg->locals_start = cfg->num_varinfo;
3602 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3604 if (cfg->verbose_level > 2)
3605 g_print ("creating locals\n");
3607 for (i = 0; i < header->num_locals; ++i)
3608 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3610 if (cfg->verbose_level > 2)
3611 g_print ("locals done\n");
3613 mono_arch_create_vars (cfg);
3617 mono_print_code (MonoCompile *cfg, const char* msg)
3621 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3622 mono_print_bb (bb, msg);
3626 mono_postprocess_patches (MonoCompile *cfg)
3628 MonoJumpInfo *patch_info;
3631 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3632 switch (patch_info->type) {
3633 case MONO_PATCH_INFO_ABS: {
3634 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3637 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3641 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3642 /* for these array methods we currently register the same function pointer
3643 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3644 * will return the incorrect one depending on the order they are registered.
3645 * See tests/test-arr.cs
3647 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3648 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3649 patch_info->data.name = info->name;
3653 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3654 if (cfg->abs_patches) {
3655 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3657 patch_info->type = abs_ji->type;
3658 patch_info->data.target = abs_ji->data.target;
3665 case MONO_PATCH_INFO_SWITCH: {
3667 #if defined(__native_client__) && defined(__native_client_codegen__)
3668 /* This memory will leak. */
3669 /* TODO: can we free this when */
3670 /* making the final jump table? */
3671 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3673 if (cfg->method->dynamic) {
3674 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3676 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3680 for (i = 0; i < patch_info->data.table->table_size; i++) {
3681 /* Might be NULL if the switch is eliminated */
3682 if (patch_info->data.table->table [i]) {
3683 g_assert (patch_info->data.table->table [i]->native_offset);
3684 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3689 patch_info->data.table->table = (MonoBasicBlock**)table;
3692 case MONO_PATCH_INFO_METHOD_JUMP: {
3693 MonoJumpList *jlist;
3694 MonoDomain *domain = cfg->domain;
3695 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3696 #if defined(__native_client__) && defined(__native_client_codegen__)
3697 /* When this jump target gets evaluated, the method */
3698 /* will be installed in the dynamic code section, */
3699 /* not at the location of cfg->native_code. */
3700 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3703 mono_domain_lock (domain);
3704 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3706 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3707 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3709 jlist->list = g_slist_prepend (jlist->list, ip);
3710 mono_domain_unlock (domain);
3721 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3724 MonoBasicBlock *in_bb;
3727 for (i = 0; i < bb->in_count; ++i) {
3728 in_bb = bb->in_bb [i];
3730 if (in_bb->last_seq_point) {
3731 int src_index = in_bb->last_seq_point->backend.size;
3732 int dst_index = ins->backend.size;
3734 /* bb->in_bb might contain duplicates */
3735 for (l = next [src_index]; l; l = l->next)
3736 if (GPOINTER_TO_UINT (l->data) == dst_index)
3739 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
3741 /* Have to look at its predecessors */
3743 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3749 mono_save_seq_point_info (MonoCompile *cfg)
3752 GSList *bb_seq_points, *l;
3754 MonoDomain *domain = cfg->domain;
3756 MonoSeqPointInfo *info;
3759 if (!cfg->seq_points)
3762 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len * sizeof (SeqPoint)));
3763 info->len = cfg->seq_points->len;
3764 for (i = 0; i < cfg->seq_points->len; ++i) {
3765 SeqPoint *sp = &info->seq_points [i];
3766 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3768 sp->il_offset = ins->inst_imm;
3769 sp->native_offset = ins->inst_offset;
3772 ins->backend.size = i;
3776 * For each sequence point, compute the list of sequence points immediately
3777 * following it, this is needed to implement 'step over' in the debugger agent.
3779 next = g_new0 (GSList*, cfg->seq_points->len);
3780 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3781 bb_seq_points = g_slist_reverse (bb->seq_points);
3783 for (l = bb_seq_points; l; l = l->next) {
3784 MonoInst *ins = l->data;
3786 if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
3787 /* Used to implement method entry/exit events */
3789 if (ins->inst_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE)
3793 /* Link with the previous seq point in the same bb */
3794 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3796 /* Link with the last bb in the previous bblocks */
3797 collect_pred_seq_points (bb, ins, next, 0);
3803 if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY && bb->seq_points) {
3804 MonoBasicBlock *bb2;
3805 MonoInst *endfinally_seq_point = NULL;
3808 * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
3810 l = g_slist_last (bb->seq_points);
3812 endfinally_seq_point = l->data;
3814 for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
3815 GSList *l = g_slist_last (bb2->seq_points);
3818 MonoInst *ins = l->data;
3820 if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
3821 next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3828 if (cfg->verbose_level > 2) {
3829 printf ("\nSEQ POINT MAP: \n");
3832 for (i = 0; i < cfg->seq_points->len; ++i) {
3833 SeqPoint *sp = &info->seq_points [i];
3837 sp->next_len = g_slist_length (next [i]);
3838 sp->next = g_new (int, sp->next_len);
3840 if (cfg->verbose_level > 2 && next [i]) {
3841 printf ("\tIL0x%x ->", sp->il_offset);
3842 for (l = next [i]; l; l = l->next) {
3843 next_index = GPOINTER_TO_UINT (l->data);
3844 printf (" IL0x%x", info->seq_points [next_index].il_offset);
3848 for (l = next [i]; l; l = l->next) {
3849 next_index = GPOINTER_TO_UINT (l->data);
3850 sp->next [j ++] = next_index;
3852 g_slist_free (next [i]);
3856 cfg->seq_point_info = info;
3858 // FIXME: dynamic methods
3859 if (!cfg->compile_aot) {
3860 mono_domain_lock (domain);
3861 // FIXME: How can the lookup succeed ?
3862 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3863 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3864 mono_domain_unlock (domain);
3867 g_ptr_array_free (cfg->seq_points, TRUE);
3868 cfg->seq_points = NULL;
3872 mono_codegen (MonoCompile *cfg)
3875 int max_epilog_size;
3877 MonoDomain *code_domain;
3879 if (mono_using_xdebug)
3881 * Recent gdb versions have trouble processing symbol files containing
3882 * overlapping address ranges, so allocate all code from the code manager
3883 * of the root domain. (#666152).
3885 code_domain = mono_get_root_domain ();
3887 code_domain = cfg->domain;
3889 #if defined(__native_client_codegen__) && defined(__native_client__)
3892 /* This keeps patch targets from being transformed during
3893 * ordinary method compilation, for local branches and jumps.
3895 nacl_allow_target_modification (FALSE);
3898 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3899 cfg->spill_count = 0;
3900 /* we reuse dfn here */
3901 /* bb->dfn = bb_count++; */
3903 mono_arch_lowering_pass (cfg, bb);
3905 if (cfg->opt & MONO_OPT_PEEPHOLE)
3906 mono_arch_peephole_pass_1 (cfg, bb);
3909 mono_local_regalloc (cfg, bb);
3911 if (cfg->opt & MONO_OPT_PEEPHOLE)
3912 mono_arch_peephole_pass_2 (cfg, bb);
3915 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3916 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3918 code = mono_arch_emit_prolog (cfg);
3920 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3921 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3923 cfg->code_len = code - cfg->native_code;
3924 cfg->prolog_end = cfg->code_len;
3926 mono_debug_open_method (cfg);
3928 /* emit code all basic blocks */
3929 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3930 bb->native_offset = cfg->code_len;
3931 bb->real_native_offset = cfg->code_len;
3932 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3933 mono_arch_output_basic_block (cfg, bb);
3934 bb->native_length = cfg->code_len - bb->native_offset;
3936 if (bb == cfg->bb_exit) {
3937 cfg->epilog_begin = cfg->code_len;
3939 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3940 code = cfg->native_code + cfg->code_len;
3941 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3942 cfg->code_len = code - cfg->native_code;
3943 g_assert (cfg->code_len < cfg->code_size);
3946 mono_arch_emit_epilog (cfg);
3950 #ifdef __native_client_codegen__
3951 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3953 mono_arch_emit_exceptions (cfg);
3955 max_epilog_size = 0;
3957 /* we always allocate code in cfg->domain->code_mp to increase locality */
3958 cfg->code_size = cfg->code_len + max_epilog_size;
3959 #ifdef __native_client_codegen__
3960 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
3962 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3964 if (cfg->method->dynamic) {
3965 guint unwindlen = 0;
3966 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3967 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3969 /* Allocate the code into a separate memory pool so it can be freed */
3970 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3971 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3972 mono_domain_lock (cfg->domain);
3973 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3974 mono_domain_unlock (cfg->domain);
3976 if (mono_using_xdebug)
3977 /* See the comment for cfg->code_domain */
3978 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3980 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3982 guint unwindlen = 0;
3983 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3984 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3986 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3988 #if defined(__native_client_codegen__) && defined(__native_client__)
3989 nacl_allow_target_modification (TRUE);
3993 memcpy (code, cfg->native_code, cfg->code_len);
3994 #if defined(__default_codegen__)
3995 g_free (cfg->native_code);
3996 #elif defined(__native_client_codegen__)
3997 if (cfg->native_code_alloc) {
3998 g_free (cfg->native_code_alloc);
3999 cfg->native_code_alloc = 0;
4001 else if (cfg->native_code) {
4002 g_free (cfg->native_code);
4004 #endif /* __native_client_codegen__ */
4005 cfg->native_code = code;
4006 code = cfg->native_code + cfg->code_len;
4008 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
4009 mono_postprocess_patches (cfg);
4011 #ifdef VALGRIND_JIT_REGISTER_MAP
4012 if (valgrind_register){
4013 char* nm = mono_method_full_name (cfg->method, TRUE);
4014 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
4019 if (cfg->verbose_level > 0) {
4020 char* nm = mono_method_full_name (cfg->method, TRUE);
4021 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
4023 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4028 gboolean is_generic = FALSE;
4030 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
4031 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
4035 if (cfg->generic_sharing_context)
4036 g_assert (is_generic);
4039 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
4040 mono_arch_save_unwind_info (cfg);
4043 #if defined(__native_client_codegen__) && defined(__native_client__)
4044 if (!cfg->compile_aot) {
4045 if (cfg->method->dynamic) {
4046 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
4048 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
4053 #if defined(__native_client_codegen__)
4054 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4057 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);
4059 if (cfg->method->dynamic) {
4060 if (mono_using_xdebug)
4061 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4063 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
4065 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4067 #if defined(__native_client_codegen__) && defined(__native_client__)
4068 cfg->native_code = code_dest;
4070 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
4072 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
4074 mono_debug_close_method (cfg);
4076 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4077 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
4082 compute_reachable (MonoBasicBlock *bb)
4086 if (!(bb->flags & BB_VISITED)) {
4087 bb->flags |= BB_VISITED;
4088 for (i = 0; i < bb->out_count; ++i)
4089 compute_reachable (bb->out_bb [i]);
4094 mono_handle_out_of_line_bblock (MonoCompile *cfg)
4097 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4098 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
4100 MONO_INST_NEW (cfg, ins, OP_BR);
4101 MONO_ADD_INS (bb, ins);
4102 ins->inst_target_bb = bb->next_bb;
4107 #endif /* #ifndef DISABLE_JIT */
4110 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
4112 MonoDomain *domain = mono_get_root_domain ();
4117 if (info->uw_info) {
4118 uw_info = info->uw_info;
4119 info_len = info->uw_info_len;
4121 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4124 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4125 jinfo->method = wrapper;
4126 jinfo->code_start = info->code;
4127 jinfo->code_size = info->code_size;
4128 jinfo->used_regs = mono_cache_unwind_info (uw_info, info_len);
4136 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
4139 MonoMethodHeader *header;
4142 int generic_info_size, arch_eh_info_size = 0;
4143 int holes_size = 0, num_holes = 0, cas_size = 0;
4144 guint32 stack_size = 0;
4146 g_assert (method_to_compile == cfg->method);
4147 header = cfg->header;
4149 if (cfg->generic_sharing_context)
4150 generic_info_size = sizeof (MonoGenericJitInfo);
4152 generic_info_size = 0;
4154 if (cfg->arch_eh_jit_info) {
4155 MonoJitArgumentInfo *arg_info;
4156 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
4159 * This cannot be computed during stack walking, as
4160 * mono_arch_get_argument_info () is not signal safe.
4162 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
4163 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
4166 arch_eh_info_size = sizeof (MonoArchEHJitInfo);
4169 if (cfg->try_block_holes) {
4170 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4171 TryBlockHole *hole = tmp->data;
4172 MonoExceptionClause *ec = hole->clause;
4173 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
4174 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4175 g_assert (clause_last_bb);
4177 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4178 if (clause_last_bb->native_offset != hole_end)
4182 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
4183 if (G_UNLIKELY (cfg->verbose_level >= 4))
4184 printf ("Number of try block holes %d\n", num_holes);
4187 if (mono_security_method_has_declsec (cfg->method_to_register)) {
4188 cas_size = sizeof (MonoMethodCasInfo);
4191 if (COMPILE_LLVM (cfg))
4192 num_clauses = cfg->llvm_ex_info_len;
4194 num_clauses = header->num_clauses;
4196 if (cfg->method->dynamic) {
4197 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
4198 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4200 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
4201 (num_clauses * sizeof (MonoJitExceptionInfo)) +
4202 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4205 jinfo->method = cfg->method_to_register;
4206 jinfo->code_start = cfg->native_code;
4207 jinfo->code_size = cfg->code_len;
4208 jinfo->used_regs = cfg->used_int_regs;
4209 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4210 jinfo->num_clauses = num_clauses;
4212 if (COMPILE_LLVM (cfg))
4213 jinfo->from_llvm = TRUE;
4215 if (cfg->generic_sharing_context) {
4217 MonoGenericJitInfo *gi;
4218 GSList *loclist = NULL;
4220 jinfo->has_generic_jit_info = 1;
4222 gi = mono_jit_info_get_generic_jit_info (jinfo);
4225 if (cfg->method->dynamic)
4226 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4228 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4229 memcpy (gi->generic_sharing_context, cfg->generic_sharing_context, sizeof (MonoGenericSharingContext));
4231 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4232 mini_method_get_context (method_to_compile)->method_inst ||
4233 method_to_compile->klass->valuetype) {
4234 g_assert (cfg->rgctx_var);
4239 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4240 mini_method_get_context (method_to_compile)->method_inst ||
4241 method_to_compile->klass->valuetype) {
4242 inst = cfg->rgctx_var;
4243 if (!COMPILE_LLVM (cfg))
4244 g_assert (inst->opcode == OP_REGOFFSET);
4245 loclist = cfg->rgctx_loclist;
4247 inst = cfg->args [0];
4248 loclist = cfg->this_loclist;
4252 /* Needed to handle async exceptions */
4256 gi->nlocs = g_slist_length (loclist);
4257 if (cfg->method->dynamic)
4258 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4260 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4262 for (l = loclist; l; l = l->next) {
4263 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4268 if (COMPILE_LLVM (cfg)) {
4269 g_assert (cfg->llvm_this_reg != -1);
4270 gi->this_in_reg = 0;
4271 gi->this_reg = cfg->llvm_this_reg;
4272 gi->this_offset = cfg->llvm_this_offset;
4273 } else if (inst->opcode == OP_REGVAR) {
4274 gi->this_in_reg = 1;
4275 gi->this_reg = inst->dreg;
4277 g_assert (inst->opcode == OP_REGOFFSET);
4279 g_assert (inst->inst_basereg == X86_EBP);
4280 #elif defined(TARGET_AMD64)
4281 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4283 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4285 gi->this_in_reg = 0;
4286 gi->this_reg = inst->inst_basereg;
4287 gi->this_offset = inst->inst_offset;
4292 MonoTryBlockHoleTableJitInfo *table;
4295 jinfo->has_try_block_holes = 1;
4296 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4297 table->num_holes = (guint16)num_holes;
4299 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4300 guint32 start_bb_offset;
4301 MonoTryBlockHoleJitInfo *hole;
4302 TryBlockHole *hole_data = tmp->data;
4303 MonoExceptionClause *ec = hole_data->clause;
4304 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4305 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4306 g_assert (clause_last_bb);
4308 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4309 if (clause_last_bb->native_offset == hole_end)
4312 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4313 hole = &table->holes [i++];
4314 hole->clause = hole_data->clause - &header->clauses [0];
4315 hole->offset = (guint32)hole_data->start_offset;
4316 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4318 if (G_UNLIKELY (cfg->verbose_level >= 4))
4319 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4321 g_assert (i == num_holes);
4324 if (arch_eh_info_size) {
4325 MonoArchEHJitInfo *info;
4327 jinfo->has_arch_eh_info = 1;
4328 info = mono_jit_info_get_arch_eh_info (jinfo);
4330 info->stack_size = stack_size;
4334 jinfo->has_cas_info = 1;
4337 if (COMPILE_LLVM (cfg)) {
4339 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4340 } else if (header->num_clauses) {
4343 for (i = 0; i < header->num_clauses; i++) {
4344 MonoExceptionClause *ec = &header->clauses [i];
4345 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4346 MonoBasicBlock *tblock;
4349 ei->flags = ec->flags;
4351 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4352 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4354 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4355 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4357 ei->data.filter = cfg->native_code + tblock->native_offset;
4359 ei->data.catch_class = ec->data.catch_class;
4362 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4364 g_assert (tblock->native_offset);
4365 ei->try_start = cfg->native_code + tblock->native_offset;
4366 if (tblock->extend_try_block) {
4368 * Extend the try block backwards to include parts of the previous call
4371 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4373 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4375 if (!tblock->native_offset) {
4377 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4378 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4379 if (bb && bb->native_offset) {
4385 ei->try_end = cfg->native_code + tblock->native_offset;
4386 g_assert (tblock->native_offset);
4387 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4389 ei->handler_start = cfg->native_code + tblock->native_offset;
4391 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4392 TryBlockHole *hole = tmp->data;
4393 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4394 if (hole->clause == ec && hole_end == ei->try_end) {
4395 if (G_UNLIKELY (cfg->verbose_level >= 4))
4396 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4398 ei->try_end = cfg->native_code + hole->start_offset;
4403 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4405 if (ec->handler_offset + ec->handler_len < header->code_size) {
4406 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4407 if (tblock->native_offset) {
4408 end_offset = tblock->native_offset;
4412 for (j = ec->handler_offset + ec->handler_len, end = ec->handler_offset; j >= end; --j) {
4413 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4414 if (bb && bb->native_offset) {
4419 end_offset = tblock->native_offset + tblock->native_length;
4422 end_offset = cfg->epilog_begin;
4424 ei->data.handler_end = cfg->native_code + end_offset;
4429 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4431 for (i = 0; i < jinfo->num_clauses; i++) {
4432 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4433 int start = (guint8*)ei->try_start - cfg->native_code;
4434 int end = (guint8*)ei->try_end - cfg->native_code;
4435 int handler = (guint8*)ei->handler_start - cfg->native_code;
4436 int handler_end = (guint8*)ei->data.handler_end - cfg->native_code;
4438 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x-%x\n", i, ei->flags, start, end, handler, handler_end);
4443 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4444 * using it during runtime, hence the define.
4446 #ifdef MONO_ARCH_HAVE_XP_UNWIND
4447 if (cfg->encoded_unwind_ops) {
4448 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4449 g_free (cfg->encoded_unwind_ops);
4450 } else if (cfg->unwind_ops) {
4452 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4454 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4455 g_free (unwind_info);
4464 get_gsharedvt_type (MonoType *t)
4466 MonoGenericParam *par = t->data.generic_param;
4470 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4471 * a different instantiation.
4473 g_assert (mono_generic_param_info (par));
4474 par = g_memdup (par, sizeof (MonoGenericParamFull));
4477 par->image = mono_defaults.corlib;
4479 res = mono_metadata_type_dup (NULL, t);
4480 res->data.generic_param = par;
4486 is_gsharedvt_type (MonoType *t)
4488 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4491 /* Return whenever METHOD is a gsharedvt method */
4493 is_gsharedvt_method (MonoMethod *method)
4495 MonoGenericContext *context;
4496 MonoGenericInst *inst;
4499 if (!method->is_inflated)
4501 context = mono_method_get_context (method);
4502 inst = context->class_inst;
4504 for (i = 0; i < inst->type_argc; ++i)
4505 if (is_gsharedvt_type (inst->type_argv [i]))
4508 inst = context->method_inst;
4510 for (i = 0; i < inst->type_argc; ++i)
4511 if (is_gsharedvt_type (inst->type_argv [i]))
4518 is_open_method (MonoMethod *method)
4520 MonoGenericContext *context;
4522 if (!method->is_inflated)
4524 context = mono_method_get_context (method);
4525 if (context->class_inst && context->class_inst->is_open)
4527 if (context->method_inst && context->method_inst->is_open)
4532 static MonoGenericInst*
4533 get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
4535 MonoGenericInst *res;
4536 MonoType **type_argv;
4539 type_argv = g_new0 (MonoType*, inst->type_argc);
4540 for (i = 0; i < inst->type_argc; ++i) {
4541 if (!all_vt && (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)) {
4542 type_argv [i] = shared_inst->type_argv [i];
4543 } else if (all_vt) {
4544 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4545 } else if (gsharedvt) {
4546 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4548 type_argv [i] = inst->type_argv [i];
4552 res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4558 * mini_get_shared_method_full:
4560 * Return the method which is actually compiled/registered when doing generic sharing.
4561 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4562 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4563 * METHOD can be a non-inflated generic method.
4566 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4568 MonoGenericContext shared_context;
4569 MonoMethod *declaring_method, *res;
4570 gboolean partial = FALSE;
4571 gboolean gsharedvt = FALSE;
4572 MonoGenericContainer *class_container, *method_container = NULL;
4574 if (method->is_generic || (method->klass->generic_container && !method->is_inflated)) {
4575 declaring_method = method;
4577 declaring_method = mono_method_get_declaring_generic_method (method);
4580 if (declaring_method->is_generic)
4581 shared_context = mono_method_get_generic_container (declaring_method)->context;
4583 shared_context = declaring_method->klass->generic_container->context;
4585 /* Handle gsharedvt/partial sharing */
4586 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE)) ||
4587 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4588 MonoGenericContext *context = mono_method_get_context (method);
4589 MonoGenericInst *inst;
4591 partial = mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE);
4593 gsharedvt = is_gsharedvt || (!partial && mini_is_gsharedvt_sharable_method (method));
4595 class_container = declaring_method->klass->generic_container;
4596 method_container = mono_method_get_generic_container (declaring_method);
4599 * Create the shared context by replacing the ref type arguments with
4600 * type parameters, and keeping the rest.
4603 inst = context->class_inst;
4605 inst = shared_context.class_inst;
4607 shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
4610 inst = context->method_inst;
4612 inst = shared_context.method_inst;
4614 shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
4619 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4621 /* The result should be an inflated method whose parent is not inflated */
4622 g_assert (!res->klass->is_inflated);
4628 mini_get_shared_method (MonoMethod *method)
4630 return mini_get_shared_method_full (method, FALSE, FALSE);
4634 mini_init_gsctx (MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4636 MonoGenericInst *inst;
4639 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4641 if (context->class_inst) {
4642 inst = context->class_inst;
4643 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4645 for (i = 0; i < inst->type_argc; ++i) {
4646 MonoType *type = inst->type_argv [i];
4648 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4649 gsctx->var_is_vt [i] = TRUE;
4652 if (context->method_inst) {
4653 inst = context->method_inst;
4654 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4656 for (i = 0; i < inst->type_argc; ++i) {
4657 MonoType *type = inst->type_argv [i];
4659 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4660 gsctx->mvar_is_vt [i] = TRUE;
4667 * mini_method_compile:
4668 * @method: the method to compile
4669 * @opts: the optimization flags to use
4670 * @domain: the domain where the method will be compiled in
4671 * @run_cctors: whether we should run type ctors if possible
4672 * @compile_aot: whether this is an AOT compilation
4673 * @parts: debug flag
4675 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4676 * field in the returned struct to see if compilation succeded.
4679 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4681 MonoMethodHeader *header;
4682 MonoMethodSignature *sig;
4686 int dfn, i, code_size_ratio;
4687 gboolean deadce_has_run = FALSE;
4688 gboolean try_generic_shared, try_llvm = FALSE;
4689 MonoMethod *method_to_compile, *method_to_register;
4690 gboolean method_is_gshared = FALSE;
4692 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4693 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4694 mono_profiler_method_jit (method);
4695 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4696 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4700 * We might get passed the original generic method definition or
4701 * instances with type parameters.
4702 * FIXME: Remove the method->klass->generic_class limitation.
4704 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4705 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_full (method, TRUE, FALSE, FALSE)));
4707 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4708 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE);
4710 if (opts & MONO_OPT_GSHARED) {
4711 if (try_generic_shared)
4712 mono_stats.generics_sharable_methods++;
4713 else if (mono_method_is_generic_impl (method))
4714 mono_stats.generics_unsharable_methods++;
4717 if (mini_is_gsharedvt_sharable_method (method)) {
4718 if (!mono_debug_count ())
4719 try_generic_shared = FALSE;
4721 try_generic_shared = FALSE;
4724 if (is_gsharedvt_method (method) || (compile_aot && is_open_method (method))) {
4725 /* We are AOTing a gshared method directly */
4726 method_is_gshared = TRUE;
4727 g_assert (compile_aot);
4728 try_generic_shared = TRUE;
4732 try_llvm = mono_use_llvm;
4736 if (method_is_gshared) {
4737 method_to_compile = method;
4739 if (try_generic_shared) {
4740 method_to_compile = mini_get_shared_method (method);
4741 g_assert (method_to_compile);
4743 method_to_compile = method;
4747 cfg = g_new0 (MonoCompile, 1);
4748 cfg->method = method_to_compile;
4749 cfg->header = mono_method_get_header (cfg->method);
4750 cfg->mempool = mono_mempool_new ();
4752 cfg->prof_options = mono_profiler_get_events ();
4753 cfg->run_cctors = run_cctors;
4754 cfg->domain = domain;
4755 cfg->verbose_level = mini_verbose;
4756 cfg->compile_aot = compile_aot;
4757 cfg->skip_visibility = method->skip_visibility;
4758 cfg->orig_method = method;
4759 cfg->gen_seq_points = debug_options.gen_seq_points;
4760 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4761 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4762 if (try_generic_shared)
4763 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
4764 cfg->compile_llvm = try_llvm;
4765 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4767 if (cfg->gen_seq_points)
4768 cfg->seq_points = g_ptr_array_new ();
4770 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
4771 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4775 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
4776 MonoMethodInflated *inflated;
4777 MonoGenericContext *context;
4779 // FIXME: Free the contents of gsctx if compilation fails
4780 if (method_is_gshared) {
4781 g_assert (method->is_inflated);
4782 inflated = (MonoMethodInflated*)method;
4783 context = &inflated->context;
4785 /* We are compiling a gsharedvt method directly */
4786 g_assert (compile_aot);
4788 g_assert (method_to_compile->is_inflated);
4789 inflated = (MonoMethodInflated*)method_to_compile;
4790 context = &inflated->context;
4793 mini_init_gsctx (context, &cfg->gsctx);
4795 cfg->gsharedvt = TRUE;
4797 cfg->disable_llvm = TRUE;
4800 if (cfg->generic_sharing_context) {
4801 method_to_register = method_to_compile;
4803 g_assert (method == method_to_compile);
4804 method_to_register = method;
4806 cfg->method_to_register = method_to_register;
4808 mono_error_init (&err);
4809 sig = mono_method_signature_checked (cfg->method, &err);
4811 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4812 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4813 mono_error_cleanup (&err);
4814 if (MONO_METHOD_COMPILE_END_ENABLED ())
4815 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4819 header = cfg->header;
4821 MonoLoaderError *error;
4823 if ((error = mono_loader_get_last_error ())) {
4824 cfg->exception_type = error->exception_type;
4826 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4827 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4829 if (MONO_METHOD_COMPILE_END_ENABLED ())
4830 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4836 static gboolean inited;
4843 * Check for methods which cannot be compiled by LLVM early, to avoid
4844 * the extra compilation pass.
4846 if (COMPILE_LLVM (cfg)) {
4847 mono_llvm_check_method_supported (cfg);
4848 if (cfg->disable_llvm) {
4849 if (cfg->verbose_level >= 1) {
4850 //nm = mono_method_full_name (cfg->method, TRUE);
4851 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4854 mono_destroy_compile (cfg);
4856 goto restart_compile;
4862 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4863 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4864 cfg->disable_reuse_registers = TRUE;
4865 cfg->disable_reuse_stack_slots = TRUE;
4867 * This decreases the change the debugger will read registers/stack slots which are
4868 * not yet initialized.
4870 cfg->disable_initlocals_opt = TRUE;
4872 cfg->extend_live_ranges = TRUE;
4874 /* Temporarily disable this when running in the debugger until we have support
4875 * for this in the debugger. */
4876 /* This is no longer needed with sdb */
4877 //cfg->disable_omit_fp = TRUE;
4879 /* The debugger needs all locals to be on the stack or in a global register */
4880 cfg->disable_vreg_to_lvreg = TRUE;
4882 /* Don't remove unused variables when running inside the debugger since the user
4883 * may still want to view them. */
4884 cfg->disable_deadce_vars = TRUE;
4886 // cfg->opt |= MONO_OPT_SHARED;
4887 cfg->opt &= ~MONO_OPT_DEADCE;
4888 cfg->opt &= ~MONO_OPT_INLINE;
4889 cfg->opt &= ~MONO_OPT_COPYPROP;
4890 cfg->opt &= ~MONO_OPT_CONSPROP;
4891 /* This is no longer needed with sdb */
4892 //cfg->opt &= ~MONO_OPT_GSHARED;
4894 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4895 cfg->disable_out_of_line_bblocks = TRUE;
4898 if (mono_using_xdebug) {
4900 * Make each variable use its own register/stack slot and extend
4901 * their liveness to cover the whole method, making them displayable
4902 * in gdb even after they are dead.
4904 cfg->disable_reuse_registers = TRUE;
4905 cfg->disable_reuse_stack_slots = TRUE;
4906 cfg->extend_live_ranges = TRUE;
4907 cfg->compute_precise_live_ranges = TRUE;
4910 mini_gc_init_cfg (cfg);
4912 if (COMPILE_LLVM (cfg)) {
4913 cfg->opt |= MONO_OPT_ABCREM;
4916 if (getenv ("MONO_VERBOSE_METHOD")) {
4917 char *name = getenv ("MONO_VERBOSE_METHOD");
4919 if ((strchr (name, '.') > name) || strchr (name, ':')) {
4920 MonoMethodDesc *desc;
4922 desc = mono_method_desc_new (name, TRUE);
4923 if (mono_method_desc_full_match (desc, cfg->method)) {
4924 cfg->verbose_level = 4;
4926 mono_method_desc_free (desc);
4928 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
4929 cfg->verbose_level = 4;
4933 ip = (guint8 *)header->code;
4935 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
4937 if (cfg->verbose_level > 0) {
4940 method_name = mono_method_full_name (method, TRUE);
4941 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
4943 if (COMPILE_LLVM (cfg))
4944 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
4945 else if (cfg->gsharedvt)
4946 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4947 else if (cfg->generic_sharing_context)
4948 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4950 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
4952 g_free (method_name);
4955 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
4956 cfg->opt |= MONO_OPT_SSA;
4959 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")))
4960 cfg->globalra = TRUE;
4963 //cfg->globalra = TRUE;
4965 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
4966 // cfg->globalra = TRUE;
4969 static int count = 0;
4973 if (getenv ("COUNT2")) {
4974 cfg->globalra = TRUE;
4975 if (count == atoi (getenv ("COUNT2")))
4976 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
4977 if (count > atoi (getenv ("COUNT2")))
4978 cfg->globalra = FALSE;
4983 if (header->clauses)
4984 cfg->globalra = FALSE;
4986 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4987 /* The code in the prolog clobbers caller saved registers */
4988 cfg->globalra = FALSE;
4990 // FIXME: Disable globalra in case of tracing/profiling
4992 if (cfg->method->save_lmf)
4993 /* The LMF saving code might clobber caller saved registers */
4994 cfg->globalra = FALSE;
4996 if (header->code_size > 5000)
4998 /* Too large bblocks could overflow the ins positions */
4999 cfg->globalra = FALSE;
5001 cfg->rs = mono_regstate_new ();
5003 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
5004 cfg->next_vreg = cfg->rs->next_vreg;
5006 /* FIXME: Fix SSA to handle branches inside bblocks */
5007 if (cfg->opt & MONO_OPT_SSA)
5008 cfg->enable_extended_bblocks = FALSE;
5011 * FIXME: This confuses liveness analysis because variables which are assigned after
5012 * a branch inside a bblock become part of the kill set, even though the assignment
5013 * might not get executed. This causes the optimize_initlocals pass to delete some
5014 * assignments which are needed.
5015 * Also, the mono_if_conversion pass needs to be modified to recognize the code
5018 //cfg->enable_extended_bblocks = TRUE;
5020 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
5021 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
5022 if (mini_get_debug_options ()->break_on_unverified)
5028 * create MonoInst* which represents arguments and local variables
5030 mono_compile_create_vars (cfg);
5032 /* SSAPRE is not supported on linear IR */
5033 cfg->opt &= ~MONO_OPT_SSAPRE;
5035 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
5038 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
5040 if (MONO_METHOD_COMPILE_END_ENABLED ())
5041 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5044 mono_destroy_compile (cfg);
5045 try_generic_shared = FALSE;
5046 goto restart_compile;
5048 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
5050 if (MONO_METHOD_COMPILE_END_ENABLED ())
5051 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5052 /* cfg contains the details of the failure, so let the caller cleanup */
5056 cfg->stat_basic_blocks += cfg->num_bblocks;
5058 if (COMPILE_LLVM (cfg)) {
5061 /* The IR has to be in SSA form for LLVM */
5062 cfg->opt |= MONO_OPT_SSA;
5066 // Allow SSA on the result value
5067 cfg->ret->flags &= ~MONO_INST_VOLATILE;
5069 // Add an explicit return instruction referencing the return value
5070 MONO_INST_NEW (cfg, ins, OP_SETRET);
5071 ins->sreg1 = cfg->ret->dreg;
5073 MONO_ADD_INS (cfg->bb_exit, ins);
5076 cfg->opt &= ~MONO_OPT_LINEARS;
5079 cfg->opt &= ~MONO_OPT_BRANCH;
5082 /* todo: remove code when we have verified that the liveness for try/catch blocks
5086 * Currently, this can't be commented out since exception blocks are not
5087 * processed during liveness analysis.
5088 * It is also needed, because otherwise the local optimization passes would
5089 * delete assignments in cases like this:
5091 * <something which throws>
5093 * This also allows SSA to be run on methods containing exception clauses, since
5094 * SSA will ignore variables marked VOLATILE.
5096 mono_liveness_handle_exception_clauses (cfg);
5098 mono_handle_out_of_line_bblock (cfg);
5100 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
5102 if (!COMPILE_LLVM (cfg))
5103 mono_decompose_long_opts (cfg);
5105 /* Should be done before branch opts */
5106 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
5107 mono_local_cprop (cfg);
5109 if (cfg->opt & MONO_OPT_BRANCH)
5110 mono_optimize_branches (cfg);
5112 /* This must be done _before_ global reg alloc and _after_ decompose */
5113 mono_handle_global_vregs (cfg);
5114 if (cfg->opt & MONO_OPT_DEADCE)
5115 mono_local_deadce (cfg);
5116 /* Disable this for LLVM to make the IR easier to handle */
5117 if (!COMPILE_LLVM (cfg))
5118 mono_if_conversion (cfg);
5120 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
5121 mono_remove_critical_edges (cfg);
5123 /* Depth-first ordering on basic blocks */
5124 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5126 cfg->max_block_num = cfg->num_bblocks;
5129 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5130 if (cfg->num_bblocks != dfn + 1) {
5133 cfg->num_bblocks = dfn + 1;
5135 /* remove unreachable code, because the code in them may be
5136 * inconsistent (access to dead variables for example) */
5137 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5138 bb->flags &= ~BB_VISITED;
5139 compute_reachable (cfg->bb_entry);
5140 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5141 if (bb->flags & BB_EXCEPTION_HANDLER)
5142 compute_reachable (bb);
5143 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5144 if (!(bb->flags & BB_VISITED)) {
5145 if (cfg->verbose_level > 1)
5146 g_print ("found unreachable code in BB%d\n", bb->block_num);
5147 bb->code = bb->last_ins = NULL;
5148 while (bb->out_count)
5149 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
5152 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5153 bb->flags &= ~BB_VISITED;
5156 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
5158 * we disable some optimizations if there are too many variables
5159 * because JIT time may become too expensive. The actual number needs
5160 * to be tweaked and eventually the non-linear algorithms should be fixed.
5162 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
5163 cfg->disable_ssa = TRUE;
5166 if (cfg->opt & MONO_OPT_LOOP) {
5167 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
5168 mono_compute_natural_loops (cfg);
5171 /* after method_to_ir */
5173 if (MONO_METHOD_COMPILE_END_ENABLED ())
5174 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5179 if (header->num_clauses)
5180 cfg->disable_ssa = TRUE;
5183 //#define DEBUGSSA "logic_run"
5184 #define DEBUGSSA_CLASS "Tests"
5187 if (!cfg->disable_ssa) {
5188 mono_local_cprop (cfg);
5191 mono_ssa_compute (cfg);
5195 if (cfg->opt & MONO_OPT_SSA) {
5196 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
5198 mono_ssa_compute (cfg);
5201 if (cfg->verbose_level >= 2) {
5208 /* after SSA translation */
5210 if (MONO_METHOD_COMPILE_END_ENABLED ())
5211 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5215 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
5216 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5218 mono_ssa_cprop (cfg);
5224 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5225 //mono_ssa_strength_reduction (cfg);
5227 if (cfg->opt & MONO_OPT_SSAPRE) {
5228 mono_perform_ssapre (cfg);
5229 //mono_local_cprop (cfg);
5232 if (cfg->opt & MONO_OPT_DEADCE) {
5233 mono_ssa_deadce (cfg);
5234 deadce_has_run = TRUE;
5237 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5238 mono_perform_abc_removal (cfg);
5240 mono_ssa_remove (cfg);
5241 mono_local_cprop (cfg);
5242 mono_handle_global_vregs (cfg);
5243 if (cfg->opt & MONO_OPT_DEADCE)
5244 mono_local_deadce (cfg);
5246 if (cfg->opt & MONO_OPT_BRANCH) {
5249 mono_optimize_branches (cfg);
5251 /* Have to recompute cfg->bblocks and bb->dfn */
5252 if (cfg->globalra) {
5253 mono_remove_critical_edges (cfg);
5255 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5258 /* Depth-first ordering on basic blocks */
5259 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5262 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5263 cfg->num_bblocks = dfn + 1;
5269 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5270 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
5271 if (cfg->opt & MONO_OPT_ABCREM)
5272 mono_perform_abc_removal (cfg);
5275 /* after SSA removal */
5277 if (MONO_METHOD_COMPILE_END_ENABLED ())
5278 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5282 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
5283 if (COMPILE_SOFT_FLOAT (cfg))
5284 mono_decompose_soft_float (cfg);
5286 if (!COMPILE_LLVM (cfg))
5287 mono_decompose_vtype_opts (cfg);
5288 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5289 mono_decompose_array_access_opts (cfg);
5292 #ifndef MONO_ARCH_GOT_REG
5297 g_assert (cfg->got_var_allocated);
5300 * Allways allocate the GOT var to a register, because keeping it
5301 * in memory will increase the number of live temporaries in some
5302 * code created by inssel.brg, leading to the well known spills+
5303 * branches problem. Testcase: mcs crash in
5304 * System.MonoCustomAttrs:GetCustomAttributes.
5306 #ifdef MONO_ARCH_GOT_REG
5307 got_reg = MONO_ARCH_GOT_REG;
5309 regs = mono_arch_get_global_int_regs (cfg);
5311 got_reg = GPOINTER_TO_INT (regs->data);
5314 cfg->got_var->opcode = OP_REGVAR;
5315 cfg->got_var->dreg = got_reg;
5316 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5320 * Have to call this again to process variables added since the first call.
5322 mono_liveness_handle_exception_clauses (cfg);
5324 if (cfg->globalra) {
5327 /* Have to do this before regalloc since it can create vregs */
5328 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5329 mono_arch_lowering_pass (cfg, bb);
5331 mono_global_regalloc (cfg);
5334 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5335 GList *vars, *regs, *l;
5337 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5338 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5339 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5340 mono_analyze_liveness (cfg);
5342 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5343 regs = mono_arch_get_global_int_regs (cfg);
5344 /* Remove the reg reserved for holding the GOT address */
5346 for (l = regs; l; l = l->next) {
5347 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5348 regs = g_list_delete_link (regs, l);
5353 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5357 //mono_print_code (cfg, "");
5361 /* variables are allocated after decompose, since decompose could create temps */
5362 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5363 mono_arch_allocate_vars (cfg);
5364 if (cfg->exception_type)
5370 gboolean need_local_opts;
5372 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5373 mono_spill_global_vars (cfg, &need_local_opts);
5375 if (need_local_opts || cfg->compile_aot) {
5376 /* To optimize code created by spill_global_vars */
5377 mono_local_cprop (cfg);
5378 if (cfg->opt & MONO_OPT_DEADCE)
5379 mono_local_deadce (cfg);
5383 /* Add branches between non-consecutive bblocks */
5384 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5385 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5386 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5387 /* we are careful when inverting, since bugs like #59580
5388 * could show up when dealing with NaNs.
5390 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5391 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5392 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5393 bb->last_ins->inst_false_bb = tmp;
5395 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5397 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5398 inst->opcode = OP_BR;
5399 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5400 mono_bblock_add_inst (bb, inst);
5405 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5406 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5407 MonoInst *tree = bb->code;
5408 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5411 for (; tree; tree = tree->next) {
5412 mono_print_ins_index (-1, tree);
5418 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5419 bb->max_vreg = cfg->next_vreg;
5423 if (COMPILE_LLVM (cfg)) {
5427 /* The IR has to be in SSA form for LLVM */
5428 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5429 cfg->exception_message = g_strdup ("SSA disabled.");
5430 cfg->disable_llvm = TRUE;
5433 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5434 mono_decompose_array_access_opts (cfg);
5436 if (!cfg->disable_llvm)
5437 mono_llvm_emit_method (cfg);
5438 if (cfg->disable_llvm) {
5439 if (cfg->verbose_level >= 1) {
5440 //nm = mono_method_full_name (cfg->method, TRUE);
5441 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5444 mono_destroy_compile (cfg);
5446 goto restart_compile;
5449 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5450 nm = mono_method_full_name (cfg->method, TRUE);
5451 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5453 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5461 if (COMPILE_LLVM (cfg))
5462 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5464 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5466 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5468 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5469 if (cfg->extend_live_ranges) {
5470 /* Extend live ranges to cover the whole method */
5471 for (i = 0; i < cfg->num_varinfo; ++i)
5472 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5476 if (!cfg->compile_aot)
5477 mono_save_xdebug_info (cfg);
5479 mini_gc_create_gc_map (cfg);
5481 mono_save_seq_point_info (cfg);
5483 if (cfg->verbose_level >= 2) {
5484 char *id = mono_method_full_name (cfg->method, FALSE);
5485 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5489 if (!cfg->compile_aot) {
5490 mono_domain_lock (cfg->domain);
5491 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5493 if (cfg->method->dynamic)
5494 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5495 mono_domain_unlock (cfg->domain);
5500 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5503 /* collect statistics */
5504 #ifndef DISABLE_PERFCOUNTERS
5505 mono_perfcounters->jit_methods++;
5506 mono_perfcounters->jit_bytes += header->code_size;
5508 mono_jit_stats.allocated_code_size += cfg->code_len;
5509 code_size_ratio = cfg->code_len;
5510 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5511 mono_jit_stats.biggest_method_size = code_size_ratio;
5512 g_free (mono_jit_stats.biggest_method);
5513 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5515 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5516 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5517 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5518 g_free (mono_jit_stats.max_ratio_method);
5519 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5521 mono_jit_stats.native_code_size += cfg->code_len;
5523 if (MONO_METHOD_COMPILE_END_ENABLED ())
5524 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5532 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
5534 g_assert_not_reached ();
5538 #endif /* DISABLE_JIT */
5541 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
5543 static gboolean inited = FALSE;
5544 static int lookups = 0;
5545 static int failed_lookups = 0;
5548 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
5549 if (ji && !ji->has_generic_jit_info)
5553 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5554 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5566 * LOCKING: Assumes domain->jit_code_hash_lock is held.
5569 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
5571 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5576 if (!mono_method_is_generic_sharable (method, FALSE))
5578 return mono_domain_lookup_shared_generic (domain, method);
5582 lookup_method (MonoDomain *domain, MonoMethod *method)
5586 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
5587 mono_domain_jit_code_hash_lock (domain);
5588 info = lookup_method_inner (domain, method);
5589 mono_domain_jit_code_hash_unlock (domain);
5590 mono_loader_unlock ();
5596 static FILE* perf_map_file = NULL;
5599 mono_enable_jit_map (void)
5601 if (!perf_map_file) {
5603 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5605 perf_map_file = fopen (name, "w");
5610 mono_emit_jit_tramp (void *start, int size, const char *desc)
5613 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5617 mono_emit_jit_map (MonoJitInfo *jinfo)
5619 if (perf_map_file) {
5620 char *name = mono_method_full_name (jinfo->method, TRUE);
5621 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5627 mono_jit_map_is_enabled (void)
5629 return perf_map_file != NULL;
5635 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5638 gpointer code = NULL;
5639 MonoJitInfo *jinfo, *info;
5641 MonoException *ex = NULL;
5642 guint32 prof_options;
5644 MonoMethod *prof_method;
5646 #ifdef MONO_USE_AOT_COMPILER
5647 if (opt & MONO_OPT_AOT) {
5648 MonoDomain *domain = mono_domain_get ();
5650 mono_class_init (method->klass);
5652 if ((code = mono_aot_get_method (domain, method))) {
5653 vtable = mono_class_vtable (domain, method->klass);
5655 mono_runtime_class_init (vtable);
5662 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5663 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5665 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5667 if (!piinfo->addr) {
5668 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5669 piinfo->addr = mono_lookup_internal_call (method);
5670 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5672 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);
5674 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);
5677 mono_lookup_pinvoke_call (method, NULL, NULL);
5679 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5680 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5681 jinfo = mono_jit_info_table_find (target_domain, code);
5683 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5685 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5688 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
5689 //mono_debug_add_wrapper (method, nm);
5690 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5691 const char *name = method->name;
5692 char *full_name, *msg;
5695 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5696 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5697 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5700 * We need to make sure this wrapper
5701 * is compiled because it might end up
5702 * in an (M)RGCTX if generic sharing
5703 * is enabled, and would be called
5704 * indirectly. If it were a
5705 * trampoline we'd try to patch that
5706 * indirect call, which is not
5709 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5710 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5711 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5712 return mono_create_delegate_trampoline (target_domain, method->klass);
5714 nm = mono_marshal_get_delegate_invoke (method, NULL);
5715 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5717 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5718 nm = mono_marshal_get_delegate_begin_invoke (method);
5719 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5720 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5721 nm = mono_marshal_get_delegate_end_invoke (method);
5722 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5726 full_name = mono_method_full_name (method, TRUE);
5727 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5728 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5734 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5735 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5737 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5738 static MonoTrampInfo *in_tinfo, *out_tinfo;
5739 MonoTrampInfo *tinfo;
5741 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5743 if (is_in && in_tinfo)
5744 return in_tinfo->code;
5745 else if (!is_in && out_tinfo)
5746 return out_tinfo->code;
5749 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5751 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5754 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
5756 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
5757 jinfo = create_jit_info_for_trampoline (method, tinfo);
5758 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
5767 if (mono_aot_only) {
5768 char *fullname = mono_method_full_name (method, TRUE);
5769 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only. See http://docs.xamarin.com/ios/about/limitations for more information.\n", fullname);
5771 *jit_ex = mono_get_exception_execution_engine (msg);
5778 jit_timer = g_timer_new ();
5780 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5781 prof_method = cfg->method;
5783 g_timer_stop (jit_timer);
5784 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5785 g_timer_destroy (jit_timer);
5787 switch (cfg->exception_type) {
5788 case MONO_EXCEPTION_NONE:
5790 case MONO_EXCEPTION_TYPE_LOAD:
5791 case MONO_EXCEPTION_MISSING_FIELD:
5792 case MONO_EXCEPTION_MISSING_METHOD:
5793 case MONO_EXCEPTION_FILE_NOT_FOUND:
5794 case MONO_EXCEPTION_BAD_IMAGE: {
5795 /* Throw a type load exception if needed */
5796 MonoLoaderError *error = mono_loader_get_last_error ();
5799 ex = mono_loader_error_prepare_exception (error);
5801 if (cfg->exception_ptr) {
5802 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5804 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5805 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5806 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5807 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5808 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5809 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5810 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5811 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5812 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5813 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5815 g_assert_not_reached ();
5820 case MONO_EXCEPTION_INVALID_PROGRAM:
5821 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5823 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5824 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5826 case MONO_EXCEPTION_METHOD_ACCESS:
5827 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5829 case MONO_EXCEPTION_FIELD_ACCESS:
5830 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5832 #ifndef DISABLE_SECURITY
5833 /* this can only be set if the security manager is active */
5834 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5835 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5836 MonoObject *exc = NULL;
5839 args [0] = &cfg->exception_data;
5841 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5843 ex = (MonoException*)exc;
5847 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5848 MonoException *exp = cfg->exception_ptr;
5849 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5854 case MONO_EXCEPTION_OUT_OF_MEMORY:
5855 ex = mono_domain_get ()->out_of_memory_ex;
5858 g_assert_not_reached ();
5862 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5863 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5865 mono_destroy_compile (cfg);
5871 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5872 mono_domain_lock (target_domain);
5874 /* Check if some other thread already did the job. In this case, we can
5875 discard the code this thread generated. */
5877 mono_domain_jit_code_hash_lock (target_domain);
5879 info = lookup_method_inner (target_domain, method);
5881 /* We can't use a domain specific method in another domain */
5882 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5883 code = info->code_start;
5884 // printf("Discarding code for method %s\n", method->name);
5889 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
5890 mono_domain_jit_code_hash_unlock (target_domain);
5891 code = cfg->native_code;
5893 if (cfg->generic_sharing_context && mono_method_is_generic_sharable (method, FALSE))
5894 mono_stats.generics_shared_methods++;
5896 mono_stats.gsharedvt_methods++;
5898 mono_domain_jit_code_hash_unlock (target_domain);
5901 jinfo = cfg->jit_info;
5903 prof_options = cfg->prof_options;
5906 * Update global stats while holding a lock, instead of doing many
5907 * InterlockedIncrement operations during JITting.
5909 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
5910 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
5911 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
5912 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
5913 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
5914 mono_jit_stats.regvars += cfg->stat_n_regvars;
5915 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
5916 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
5917 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
5918 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
5920 mono_destroy_compile (cfg);
5923 if (domain_jit_info (target_domain)->jump_target_hash) {
5924 MonoJumpInfo patch_info;
5925 MonoJumpList *jlist;
5927 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
5929 patch_info.next = NULL;
5930 patch_info.ip.i = 0;
5931 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
5932 patch_info.data.method = method;
5933 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
5935 #if defined(__native_client_codegen__) && defined(__native_client__)
5936 /* These patches are applied after a method has been installed, no target munging is needed. */
5937 nacl_allow_target_modification (FALSE);
5939 for (tmp = jlist->list; tmp; tmp = tmp->next)
5940 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
5941 #if defined(__native_client_codegen__) && defined(__native_client__)
5942 nacl_allow_target_modification (TRUE);
5947 mono_emit_jit_map (jinfo);
5949 mono_domain_unlock (target_domain);
5950 mono_loader_unlock ();
5952 vtable = mono_class_vtable (target_domain, method->klass);
5954 ex = mono_class_get_exception_for_failure (method->klass);
5960 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
5961 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
5962 if (mono_marshal_method_from_wrapper (method)) {
5963 /* Native func wrappers have no method */
5964 /* The profiler doesn't know about wrappers, so pass the original icall method */
5965 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
5968 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5969 if (prof_method != method) {
5970 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
5974 ex = mono_runtime_class_init_full (vtable, FALSE);
5983 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
5985 MonoDomain *target_domain, *domain = mono_domain_get ();
5989 MonoJitICallInfo *callinfo = NULL;
5990 WrapperInfo *winfo = NULL;
5993 * ICALL wrappers are handled specially, since there is only one copy of them
5994 * shared by all appdomains.
5996 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
5997 winfo = mono_marshal_get_wrapper_info (method);
5998 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
5999 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
6000 g_assert (callinfo);
6002 /* Must be domain neutral since there is only one copy */
6003 opt |= MONO_OPT_SHARED;
6006 if (method->dynamic)
6007 opt &= ~MONO_OPT_SHARED;
6009 /* These methods can become invalid when a domain is unloaded */
6010 if (method->klass->image != mono_get_corlib () || method->is_inflated)
6011 opt &= ~MONO_OPT_SHARED;
6013 if (opt & MONO_OPT_SHARED)
6014 target_domain = mono_get_root_domain ();
6016 target_domain = domain;
6018 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
6019 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
6022 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
6023 MonoGenericContext *ctx = NULL;
6024 if (method->is_inflated)
6025 ctx = mono_method_get_context (method);
6026 method = info->d.synchronized_inner.method;
6028 method = mono_class_inflate_generic_method (method, ctx);
6032 info = lookup_method (target_domain, method);
6034 /* We can't use a domain specific method in another domain */
6035 if (! ((domain != target_domain) && !info->domain_neutral)) {
6037 MonoException *tmpEx;
6039 mono_jit_stats.methods_lookups++;
6040 vtable = mono_class_vtable (domain, method->klass);
6042 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
6047 return mono_create_ftnptr (target_domain, info->code_start);
6051 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
6055 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
6059 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
6061 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
6065 p = mono_create_ftnptr (target_domain, code);
6068 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
6069 mono_loader_lock ();
6071 if (!callinfo->wrapper) {
6072 callinfo->wrapper = p;
6073 mono_register_jit_icall_wrapper (callinfo, p);
6074 mono_debug_add_icall_wrapper (method, callinfo);
6077 mono_loader_unlock ();
6084 mono_jit_compile_method (MonoMethod *method)
6086 MonoException *ex = NULL;
6089 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
6092 mono_raise_exception (ex);
6098 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6100 invalidated_delegate_trampoline (char *desc)
6102 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
6103 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
6109 * mono_jit_free_method:
6111 * Free all memory allocated by the JIT for METHOD.
6114 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
6116 MonoJitDynamicMethodInfo *ji;
6117 gboolean destroy = TRUE;
6118 GHashTableIter iter;
6119 MonoJumpList *jlist;
6121 g_assert (method->dynamic);
6123 mono_domain_lock (domain);
6124 ji = mono_dynamic_code_hash_lookup (domain, method);
6125 mono_domain_unlock (domain);
6130 mono_debug_remove_method (method, domain);
6132 mono_domain_lock (domain);
6133 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
6134 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
6135 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
6136 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
6138 /* Remove jump targets in this method */
6139 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
6140 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
6141 GSList *tmp, *remove;
6144 for (tmp = jlist->list; tmp; tmp = tmp->next) {
6145 guint8 *ip = tmp->data;
6147 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
6148 remove = g_slist_prepend (remove, tmp);
6150 for (tmp = remove; tmp; tmp = tmp->next) {
6151 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
6153 g_slist_free (remove);
6156 mono_domain_unlock (domain);
6158 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6159 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
6161 * Instead of freeing the code, change it to call an error routine
6162 * so people can fix their code.
6164 char *type = mono_type_full_name (&method->klass->byval_arg);
6165 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
6168 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
6174 * This needs to be done before freeing code_mp, since the code address is the
6175 * key in the table, so if we free the code_mp first, another thread can grab the
6176 * same code address and replace our entry in the table.
6178 mono_jit_info_table_remove (domain, ji->ji);
6181 mono_code_manager_destroy (ji->code_mp);
6186 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
6188 MonoDomain *target_domain;
6191 if (default_opt & MONO_OPT_SHARED)
6192 target_domain = mono_get_root_domain ();
6194 target_domain = domain;
6196 info = lookup_method (target_domain, method);
6198 /* We can't use a domain specific method in another domain */
6199 if (! ((domain != target_domain) && !info->domain_neutral)) {
6200 mono_jit_stats.methods_lookups++;
6203 return info->code_start;
6213 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
6215 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
6220 gpointer compiled_method;
6221 gpointer runtime_invoke;
6223 MonoDynCallInfo *dyn_call_info;
6224 MonoClass *ret_box_class;
6225 } RuntimeInvokeInfo;
6228 * mono_jit_runtime_invoke:
6229 * @method: the method to invoke
6230 * @obj: this pointer
6231 * @params: array of parameter values.
6232 * @exc: used to catch exceptions objects
6235 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
6237 MonoMethod *invoke, *callee;
6238 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
6239 MonoDomain *domain = mono_domain_get ();
6240 MonoJitDomainInfo *domain_info;
6241 RuntimeInvokeInfo *info, *info2;
6243 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6244 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6248 domain_info = domain_jit_info (domain);
6250 mono_domain_lock (domain);
6251 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6252 mono_domain_unlock (domain);
6255 if (mono_security_core_clr_enabled ()) {
6257 * This might be redundant since mono_class_vtable () already does this,
6258 * but keep it just in case for moonlight.
6260 mono_class_setup_vtable (method->klass);
6261 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6263 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6265 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6270 info = g_new0 (RuntimeInvokeInfo, 1);
6272 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6273 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6274 g_assert (info->vtable);
6277 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6278 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6280 * Array Get/Set/Address methods. The JIT implements them using inline code
6281 * inside the runtime invoke wrappers, so no need to compile them.
6283 if (mono_aot_only) {
6285 * Call a wrapper, since the runtime invoke wrapper was not generated.
6287 MonoMethod *wrapper;
6289 wrapper = mono_marshal_get_array_accessor_wrapper (method);
6290 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
6298 MonoException *jit_ex = NULL;
6300 info->compiled_method = mono_jit_compile_method_with_opt (callee, default_opt, &jit_ex);
6301 if (!info->compiled_method) {
6305 *exc = (MonoObject*)jit_ex;
6308 mono_raise_exception (jit_ex);
6312 info->compiled_method = mini_add_method_trampoline (NULL, callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, FALSE), FALSE);
6314 info->compiled_method = NULL;
6318 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6319 * in full-aot mode, so we use a slower, but more generic wrapper if
6320 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6322 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6323 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6324 MonoMethodSignature *sig = mono_method_signature (method);
6325 gboolean supported = TRUE;
6328 if (method->string_ctor)
6329 sig = mono_marshal_get_string_ctor_signature (method);
6331 for (i = 0; i < sig->param_count; ++i) {
6332 MonoType *t = sig->params [i];
6334 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6338 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
6342 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6344 if (info->dyn_call_info) {
6345 switch (sig->ret->type) {
6346 case MONO_TYPE_VOID:
6358 case MONO_TYPE_BOOLEAN:
6359 case MONO_TYPE_CHAR:
6362 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6365 info->ret_box_class = mono_defaults.int_class;
6367 case MONO_TYPE_STRING:
6368 case MONO_TYPE_CLASS:
6369 case MONO_TYPE_ARRAY:
6370 case MONO_TYPE_SZARRAY:
6371 case MONO_TYPE_OBJECT:
6373 case MONO_TYPE_GENERICINST:
6374 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
6375 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6377 case MONO_TYPE_VALUETYPE:
6378 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6381 g_assert_not_reached ();
6388 if (!info->dyn_call_info)
6389 info->runtime_invoke = mono_jit_compile_method (invoke);
6391 mono_domain_lock (domain);
6392 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6397 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
6399 mono_domain_unlock (domain);
6402 runtime_invoke = info->runtime_invoke;
6405 * We need this here because mono_marshal_get_runtime_invoke can place
6406 * the helper method in System.Object and not the target class.
6409 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6413 mono_runtime_class_init (info->vtable);
6416 /* The wrappers expect this to be initialized to NULL */
6420 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6421 if (info->dyn_call_info) {
6422 MonoMethodSignature *sig = mono_method_signature (method);
6424 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6427 guint8 retval [128];
6429 if (!dyn_runtime_invoke) {
6430 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6431 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6434 /* Convert the arguments to the format expected by start_dyn_call () */
6435 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6438 args [pindex ++] = &obj;
6439 for (i = 0; i < sig->param_count; ++i) {
6440 MonoType *t = sig->params [i];
6443 args [pindex ++] = ¶ms [i];
6444 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6445 args [pindex ++] = ¶ms [i];
6447 args [pindex ++] = params [i];
6451 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6453 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6455 dyn_runtime_invoke (buf, exc, info->compiled_method);
6457 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6459 if (info->ret_box_class)
6460 return mono_value_box (domain, info->ret_box_class, retval);
6462 return *(MonoObject**)retval;
6466 return runtime_invoke (obj, params, exc, info->compiled_method);
6470 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
6472 MonoException *exc = NULL;
6474 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
6479 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6481 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6482 if (mono_arch_is_int_overflow (ctx, info))
6484 * The spec says this throws ArithmeticException, but MS throws the derived
6485 * OverflowException.
6487 exc = mono_get_exception_overflow ();
6489 exc = mono_get_exception_divide_by_zero ();
6491 exc = mono_get_exception_divide_by_zero ();
6495 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6498 mono_handle_native_sigsegv (SIGSEGV, ctx);
6501 mono_arch_handle_exception (ctx, exc);
6505 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
6510 exc = mono_get_exception_execution_engine ("SIGILL");
6512 mono_arch_handle_exception (ctx, exc);
6515 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6516 #define HAVE_SIG_INFO
6520 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
6523 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6524 gpointer fault_addr = NULL;
6528 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6529 if (mono_arch_is_single_step_event (info, ctx)) {
6530 mono_debugger_agent_single_step_event (ctx);
6532 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6533 mono_debugger_agent_breakpoint_hit (ctx);
6538 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6539 fault_addr = info->si_addr;
6540 if (mono_aot_is_pagefault (info->si_addr)) {
6541 mono_aot_handle_pagefault (info->si_addr);
6546 /* The thread might no be registered with the runtime */
6547 if (!mono_domain_get () || !jit_tls) {
6548 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6550 mono_handle_native_sigsegv (SIGSEGV, ctx);
6553 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6555 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6556 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6559 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6560 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6561 fault_addr = info->si_addr;
6562 if (fault_addr == NULL) {
6565 mono_arch_sigctx_to_monoctx (ctx, &mctx);
6567 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6571 if (jit_tls->stack_size &&
6572 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6574 * The hard-guard page has been hit: there is not much we can do anymore
6575 * Print a hopefully clear message and abort.
6577 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6578 g_assert_not_reached ();
6580 /* The original handler might not like that it is executed on an altstack... */
6581 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
6584 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6589 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6592 mono_handle_native_sigsegv (SIGSEGV, ctx);
6595 mono_arch_handle_exception (ctx, NULL);
6600 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
6605 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6607 mono_arch_handle_exception (ctx, exc);
6610 #ifndef DISABLE_REMOTING
6611 /* mono_jit_create_remoting_trampoline:
6612 * @method: pointer to the method info
6614 * Creates a trampoline which calls the remoting functions. This
6615 * is used in the vtable of transparent proxies.
6617 * Returns: a pointer to the newly created code
6620 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6623 guint8 *addr = NULL;
6625 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6626 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6630 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6631 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
6632 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6633 addr = mono_compile_method (nm);
6636 addr = mono_compile_method (method);
6638 return mono_get_addr_from_ftnptr (addr);
6642 static gpointer *vtable_trampolines;
6643 static int vtable_trampolines_size;
6646 mini_get_vtable_trampoline (int slot_index)
6648 int index = slot_index + MONO_IMT_SIZE;
6650 g_assert (slot_index >= - MONO_IMT_SIZE);
6651 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6653 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6657 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6658 while (new_size <= index)
6660 new_table = g_new0 (gpointer, new_size);
6662 if (vtable_trampolines)
6663 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6664 g_free (vtable_trampolines);
6665 mono_memory_barrier ();
6666 vtable_trampolines = new_table;
6667 vtable_trampolines_size = new_size;
6672 if (!vtable_trampolines [index])
6673 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6674 return vtable_trampolines [index];
6678 mini_get_imt_trampoline (int slot_index)
6680 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6684 mini_parse_debug_options (void)
6686 char *options = getenv ("MONO_DEBUG");
6687 gchar **args, **ptr;
6692 args = g_strsplit (options, ",", -1);
6694 for (ptr = args; ptr && *ptr; ptr++) {
6695 const char *arg = *ptr;
6697 if (!strcmp (arg, "handle-sigint"))
6698 debug_options.handle_sigint = TRUE;
6699 else if (!strcmp (arg, "keep-delegates"))
6700 debug_options.keep_delegates = TRUE;
6701 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6702 debug_options.reverse_pinvoke_exceptions = TRUE;
6703 else if (!strcmp (arg, "collect-pagefault-stats"))
6704 debug_options.collect_pagefault_stats = TRUE;
6705 else if (!strcmp (arg, "break-on-unverified"))
6706 debug_options.break_on_unverified = TRUE;
6707 else if (!strcmp (arg, "no-gdb-backtrace"))
6708 debug_options.no_gdb_backtrace = TRUE;
6709 else if (!strcmp (arg, "suspend-on-sigsegv"))
6710 debug_options.suspend_on_sigsegv = TRUE;
6711 else if (!strcmp (arg, "suspend-on-unhandled"))
6712 debug_options.suspend_on_unhandled = TRUE;
6713 else if (!strcmp (arg, "dont-free-domains"))
6714 mono_dont_free_domains = TRUE;
6715 else if (!strcmp (arg, "dyn-runtime-invoke"))
6716 debug_options.dyn_runtime_invoke = TRUE;
6717 else if (!strcmp (arg, "gdb"))
6718 debug_options.gdb = TRUE;
6719 else if (!strcmp (arg, "explicit-null-checks"))
6720 debug_options.explicit_null_checks = TRUE;
6721 else if (!strcmp (arg, "gen-seq-points"))
6722 debug_options.gen_seq_points = TRUE;
6723 else if (!strcmp (arg, "init-stacks"))
6724 debug_options.init_stacks = TRUE;
6725 else if (!strcmp (arg, "casts"))
6726 debug_options.better_cast_details = TRUE;
6727 else if (!strcmp (arg, "soft-breakpoints"))
6728 debug_options.soft_breakpoints = TRUE;
6730 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6731 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");
6740 mini_get_debug_options (void)
6742 return &debug_options;
6746 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6748 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
6752 gpointer* desc = NULL;
6754 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
6757 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6761 # elif defined(__ppc64__) || defined(__powerpc64__)
6764 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6770 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
6776 mini_get_addr_from_ftnptr (gpointer descr)
6778 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6779 return *(gpointer*)descr;
6786 register_jit_stats (void)
6788 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
6789 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
6790 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6791 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6792 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6793 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
6794 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
6795 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
6796 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
6797 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
6798 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
6799 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
6800 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
6801 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
6802 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
6803 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
6804 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
6807 static void runtime_invoke_info_free (gpointer value);
6808 static void seq_point_info_free (gpointer value);
6811 mini_create_jit_domain_info (MonoDomain *domain)
6813 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
6815 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6816 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6817 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6818 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6819 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6820 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
6821 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, seq_point_info_free);
6822 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
6823 info->jump_target_hash = g_hash_table_new (NULL, NULL);
6825 domain->runtime_info = info;
6829 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
6831 MonoJumpList *jlist = value;
6832 g_slist_free (jlist->list);
6836 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
6838 MonoJitDynamicMethodInfo *di = value;
6839 mono_code_manager_destroy (di->code_mp);
6844 runtime_invoke_info_free (gpointer value)
6846 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
6848 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6849 if (info->dyn_call_info)
6850 mono_arch_dyn_call_free (info->dyn_call_info);
6855 static void seq_point_info_free (gpointer value)
6858 MonoSeqPointInfo* info = (MonoSeqPointInfo*)value;
6860 for (i = 0; i < info->len; ++i) {
6861 SeqPoint *sp = &info->seq_points [i];
6869 mini_free_jit_domain_info (MonoDomain *domain)
6871 MonoJitDomainInfo *info = domain_jit_info (domain);
6873 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6874 g_hash_table_destroy (info->jump_target_hash);
6875 if (info->jump_target_got_slot_hash) {
6876 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6877 g_hash_table_destroy (info->jump_target_got_slot_hash);
6879 if (info->dynamic_code_hash) {
6880 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6881 g_hash_table_destroy (info->dynamic_code_hash);
6883 if (info->method_code_hash)
6884 g_hash_table_destroy (info->method_code_hash);
6885 g_hash_table_destroy (info->class_init_trampoline_hash);
6886 g_hash_table_destroy (info->jump_trampoline_hash);
6887 g_hash_table_destroy (info->jit_trampoline_hash);
6888 g_hash_table_destroy (info->delegate_trampoline_hash);
6889 if (info->static_rgctx_trampoline_hash)
6890 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6891 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6892 g_hash_table_destroy (info->runtime_invoke_hash);
6893 g_hash_table_destroy (info->seq_points);
6894 g_hash_table_destroy (info->arch_seq_points);
6895 if (info->agent_info)
6896 mono_debugger_agent_free_domain_info (domain);
6897 if (info->gsharedvt_arg_tramp_hash)
6898 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
6900 g_free (domain->runtime_info);
6901 domain->runtime_info = NULL;
6905 mini_init (const char *filename, const char *runtime_version)
6908 MonoRuntimeCallbacks callbacks;
6909 MonoThreadInfoRuntimeCallbacks ticallbacks;
6911 MONO_VES_INIT_BEGIN ();
6913 #if defined(__linux__) && !defined(__native_client__)
6914 if (access ("/proc/self/maps", F_OK) != 0) {
6915 g_print ("Mono requires /proc to be mounted.\n");
6920 /* Happens when using the embedding interface */
6921 if (!default_opt_set)
6922 default_opt = mono_parse_default_optimizations (NULL);
6924 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
6926 mono_set_generic_sharing_vt_supported (TRUE);
6929 InitializeCriticalSection (&jit_mutex);
6931 #ifdef MONO_DEBUGGER_SUPPORTED
6932 if (mini_debug_running_inside_mdb ())
6933 mini_debugger_init ();
6936 #ifdef MONO_HAVE_FAST_TLS
6937 MONO_FAST_TLS_INIT (mono_jit_tls);
6938 MONO_FAST_TLS_INIT (mono_lmf_addr);
6939 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
6940 MONO_FAST_TLS_INIT (mono_lmf);
6944 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
6946 if (!global_codeman)
6947 global_codeman = mono_code_manager_new ();
6948 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
6950 memset (&callbacks, 0, sizeof (callbacks));
6951 callbacks.create_ftnptr = mini_create_ftnptr;
6952 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
6953 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
6954 callbacks.set_cast_details = mono_set_cast_details;
6955 callbacks.debug_log = mono_debugger_agent_debug_log;
6956 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
6958 #ifdef MONO_ARCH_HAVE_IMT
6960 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
6961 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
6965 mono_install_callbacks (&callbacks);
6967 memset (&ticallbacks, 0, sizeof (ticallbacks));
6968 ticallbacks.setup_async_callback = mono_setup_async_callback;
6969 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
6970 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
6972 mono_threads_runtime_init (&ticallbacks);
6975 if (getenv ("MONO_DEBUG") != NULL)
6976 mini_parse_debug_options ();
6978 mono_code_manager_init ();
6982 mono_arch_cpu_init ();
6986 mono_unwind_init ();
6988 if (getenv ("MONO_XDEBUG")) {
6989 char *xdebug_opts = getenv ("MONO_XDEBUG");
6990 mono_xdebug_init (xdebug_opts);
6991 /* So methods for multiple domains don't have the same address */
6992 mono_dont_free_domains = TRUE;
6993 mono_using_xdebug = TRUE;
6994 } else if (mini_get_debug_options ()->gdb) {
6995 mono_xdebug_init ((char*)"gdb");
6996 mono_dont_free_domains = TRUE;
6997 mono_using_xdebug = TRUE;
7001 if (mono_use_llvm) {
7002 if (!mono_llvm_load (NULL)) {
7003 mono_use_llvm = FALSE;
7004 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
7011 mono_trampolines_init ();
7013 if (!g_thread_supported ())
7014 g_thread_init (NULL);
7016 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
7018 if (default_opt & MONO_OPT_AOT)
7021 mono_debugger_agent_init ();
7023 #ifdef MONO_ARCH_GSHARED_SUPPORTED
7024 mono_set_generic_sharing_supported (TRUE);
7027 #ifndef MONO_CROSS_COMPILE
7028 mono_runtime_install_handlers ();
7030 mono_threads_install_cleanup (mini_thread_cleanup);
7032 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
7033 // This is experimental code so provide an env var to switch it off
7034 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
7035 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
7037 check_for_pending_exc = FALSE;
7038 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
7042 #define JIT_TRAMPOLINES_WORK
7043 #ifdef JIT_TRAMPOLINES_WORK
7044 mono_install_compile_method (mono_jit_compile_method);
7045 mono_install_free_method (mono_jit_free_method);
7046 mono_install_trampoline (mono_create_jit_trampoline);
7047 mono_install_jump_trampoline (mono_create_jump_trampoline);
7048 #ifndef DISABLE_REMOTING
7049 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
7051 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
7052 mono_install_create_domain_hook (mini_create_jit_domain_info);
7053 mono_install_free_domain_hook (mini_free_jit_domain_info);
7055 #define JIT_INVOKE_WORKS
7056 #ifdef JIT_INVOKE_WORKS
7057 mono_install_runtime_invoke (mono_jit_runtime_invoke);
7059 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
7060 mono_install_get_class_from_name (mono_aot_get_class_from_name);
7061 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
7063 if (debug_options.collect_pagefault_stats) {
7064 mono_aot_set_make_unreadable (TRUE);
7067 if (runtime_version)
7068 domain = mono_init_version (filename, runtime_version);
7070 domain = mono_init_from_assembly (filename, filename);
7072 if (mono_aot_only) {
7073 /* This helps catch code allocation requests */
7074 mono_code_manager_set_read_only (domain->code_mp);
7075 mono_marshal_use_aot_wrappers (TRUE);
7078 #ifdef MONO_ARCH_HAVE_IMT
7081 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
7083 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
7087 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
7088 mono_arch_finish_init ();
7090 /* This must come after mono_init () in the aot-only case */
7091 mono_exceptions_init ();
7095 /* This should come after mono_init () too */
7098 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
7099 ves_icall_get_frame_info);
7100 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
7101 ves_icall_get_trace);
7102 mono_add_internal_call ("System.Exception::get_trace",
7103 ves_icall_System_Exception_get_trace);
7104 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
7105 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
7106 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
7107 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
7108 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
7109 mono_runtime_install_handlers);
7111 #ifdef PLATFORM_ANDROID
7112 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
7113 mono_debugger_agent_unhandled_exception);
7117 mono_create_helper_signatures ();
7120 register_jit_stats ();
7122 #define JIT_CALLS_WORK
7123 #ifdef JIT_CALLS_WORK
7124 /* Needs to be called here since register_jit_icall depends on it */
7125 mono_marshal_init ();
7127 mono_arch_register_lowlevel_calls ();
7128 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
7129 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
7130 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
7131 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
7132 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
7133 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
7134 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
7135 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
7137 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
7138 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
7139 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
7140 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
7141 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
7142 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
7143 #ifndef DISABLE_REMOTING
7144 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
7145 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
7148 #if defined(__native_client__) || defined(__native_client_codegen__)
7149 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
7152 * NOTE, NOTE, NOTE, NOTE:
7153 * when adding emulation for some opcodes, remember to also add a dummy
7154 * rule to the burg files, because we need the arity information to be correct.
7156 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
7157 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
7158 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
7159 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
7160 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
7161 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
7162 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
7163 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
7166 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
7167 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
7168 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
7169 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
7172 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
7173 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
7174 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
7175 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
7176 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
7179 #ifdef MONO_ARCH_EMULATE_MUL_DIV
7180 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
7183 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
7184 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
7185 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
7188 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
7189 if (EMUL_MUL_DIV || mono_arch_is_soft_float ()) {
7190 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
7194 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
7195 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
7196 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
7197 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
7199 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
7200 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
7202 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
7203 register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, "mono_conv_to_r8_un", FALSE);
7205 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
7206 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
7208 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
7209 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
7211 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
7212 register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, "mono_lconv_to_r8_un", FALSE);
7214 #ifdef MONO_ARCH_EMULATE_FREM
7215 #if defined(__default_codegen__)
7216 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
7217 #elif defined(__native_client_codegen__)
7218 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
7222 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
7223 if (mono_arch_is_soft_float ()) {
7224 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
7225 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
7226 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
7227 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
7228 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
7229 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
7230 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
7231 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
7232 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
7233 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7234 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
7235 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
7237 #if SIZEOF_VOID_P == 4
7238 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7241 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
7242 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
7243 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
7244 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
7245 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
7246 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
7247 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
7248 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
7249 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
7250 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
7252 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
7253 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
7254 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
7255 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
7256 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
7258 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
7259 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
7260 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
7261 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
7265 #ifdef COMPRESSED_INTERFACE_BITMAP
7266 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
7269 #if SIZEOF_REGISTER == 4
7270 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
7273 /* other jit icalls */
7274 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
7275 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
7276 "ptr ptr ptr", FALSE);
7277 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
7278 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
7279 "ptr ptr ptr ptr", FALSE);
7280 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
7281 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
7282 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
7283 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
7284 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
7285 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7286 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7287 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7288 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7289 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7290 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7291 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
7292 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
7293 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
7294 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
7295 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7296 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
7297 register_icall (mono_break, "mono_break", NULL, TRUE);
7298 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7299 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7300 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7301 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7302 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7303 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7304 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
7305 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7306 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7307 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", TRUE);
7308 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
7310 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7312 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7313 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7315 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7319 register_icall (pthread_getspecific, "pthread_getspecific", NULL, TRUE);
7322 mono_generic_sharing_init ();
7324 #ifdef MONO_ARCH_SIMD_INTRINSICS
7325 mono_simd_intrinsics_init ();
7328 #if MONO_SUPPORT_TASKLETS
7329 mono_tasklets_init ();
7332 if (mono_compile_aot)
7334 * Avoid running managed code when AOT compiling, since the platform
7335 * might only support aot-only execution.
7337 mono_runtime_set_no_exec (TRUE);
7339 #define JIT_RUNTIME_WORKS
7340 #ifdef JIT_RUNTIME_WORKS
7341 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7342 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7343 mono_thread_attach (domain);
7346 mono_profiler_runtime_initialized ();
7348 MONO_VES_INIT_END ();
7353 MonoJitStats mono_jit_stats = {0};
7356 print_jit_stats (void)
7358 if (mono_jit_stats.enabled) {
7359 g_print ("Mono Jit statistics\n");
7360 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7361 mono_jit_stats.max_ratio_method);
7362 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7363 mono_jit_stats.biggest_method);
7365 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7366 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7367 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7368 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7369 g_print ("Methods: %ld\n", mono_stats.method_count);
7370 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7371 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7372 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7374 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7375 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7376 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7378 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7379 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7380 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7381 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7383 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
7384 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
7385 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
7387 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7388 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7389 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7390 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7391 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7392 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7393 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7394 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7396 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7397 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7398 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7400 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
7401 if (mono_security_cas_enabled ()) {
7402 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7403 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7404 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7405 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7406 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7407 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7410 g_free (mono_jit_stats.max_ratio_method);
7411 mono_jit_stats.max_ratio_method = NULL;
7412 g_free (mono_jit_stats.biggest_method);
7413 mono_jit_stats.biggest_method = NULL;
7418 mini_cleanup (MonoDomain *domain)
7420 mono_runtime_shutdown_stat_profiler ();
7423 cominterop_release_all_rcws ();
7426 #ifndef MONO_CROSS_COMPILE
7428 * mono_domain_finalize () needs to be called early since it needs the
7429 * execution engine still fully working (it may invoke managed finalizers).
7431 mono_domain_finalize (domain, 2000);
7434 /* This accesses metadata so needs to be called before runtime shutdown */
7437 mono_profiler_shutdown ();
7439 #ifndef MONO_CROSS_COMPILE
7440 mono_runtime_cleanup (domain);
7443 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7445 mono_icall_cleanup ();
7447 mono_runtime_cleanup_handlers ();
7449 #ifndef MONO_CROSS_COMPILE
7450 mono_domain_free (domain, TRUE);
7453 mono_debugger_cleanup ();
7457 mono_llvm_cleanup ();
7460 mono_aot_cleanup ();
7462 mono_trampolines_cleanup ();
7464 mono_unwind_cleanup ();
7466 if (!mono_dont_free_global_codeman)
7467 mono_code_manager_destroy (global_codeman);
7468 g_hash_table_destroy (jit_icall_name_hash);
7469 g_free (emul_opcode_map);
7470 g_free (emul_opcode_opcodes);
7471 g_free (vtable_trampolines);
7473 mono_arch_cleanup ();
7475 mono_generic_sharing_cleanup ();
7479 mono_trace_cleanup ();
7481 mono_counters_dump (-1, stdout);
7483 if (mono_inject_async_exc_method)
7484 mono_method_desc_free (mono_inject_async_exc_method);
7486 mono_native_tls_free (mono_jit_tls_id);
7488 DeleteCriticalSection (&jit_mutex);
7490 DeleteCriticalSection (&mono_delegate_section);
7492 mono_code_manager_cleanup ();
7494 #ifdef USE_JUMP_TABLES
7495 mono_jumptable_cleanup ();
7500 mono_set_defaults (int verbose_level, guint32 opts)
7502 mini_verbose = verbose_level;
7503 mono_set_optimizations (opts);
7507 mono_disable_optimizations (guint32 opts)
7509 default_opt &= ~opts;
7513 mono_set_optimizations (guint32 opts)
7516 default_opt_set = TRUE;
7517 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7518 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7523 mono_set_verbose_level (guint32 level)
7525 mini_verbose = level;
7529 * mono_get_runtime_build_info:
7531 * Return the runtime version + build date in string format.
7532 * The returned string is owned by the caller. The returned string
7533 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7536 mono_get_runtime_build_info (void)
7538 if (mono_build_date)
7539 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7541 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7545 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7547 GHashTable *assemblies = (GHashTable*)user_data;
7548 MonoImage *image = mono_assembly_get_image (ass);
7549 MonoMethod *method, *invoke;
7552 if (g_hash_table_lookup (assemblies, ass))
7555 g_hash_table_insert (assemblies, ass, ass);
7557 if (mini_verbose > 0)
7558 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7560 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7561 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7562 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7566 if (mini_verbose > 1) {
7567 char * desc = mono_method_full_name (method, TRUE);
7568 g_print ("Compiling %d %s\n", count, desc);
7571 mono_compile_method (method);
7572 if (strcmp (method->name, "Finalize") == 0) {
7573 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7574 mono_compile_method (invoke);
7576 #ifndef DISABLE_REMOTING
7577 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
7578 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7579 mono_compile_method (invoke);
7584 /* Load and precompile referenced assemblies as well */
7585 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7586 mono_assembly_load_reference (image, i);
7587 if (image->references [i])
7588 mono_precompile_assembly (image->references [i], assemblies);
7592 void mono_precompile_assemblies ()
7594 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7596 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7598 g_hash_table_destroy (assemblies);
7604 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7605 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7609 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7611 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7612 hole->clause = clause;
7613 hole->start_offset = start - cfg->native_code;
7614 hole->basic_block = bb;
7616 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7620 mono_cfg_set_exception (MonoCompile *cfg, int type)
7622 cfg->exception_type = type;
7627 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
7629 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
7632 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7638 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7640 g_assert_not_reached ();
7645 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
7647 g_assert_not_reached ();
7652 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
7654 g_assert_not_reached ();
7660 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(MONOTOUCH) && !defined(MONO_EXTENSIONS)
7663 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7669 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7677 #ifdef USE_JUMP_TABLES
7678 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
7680 typedef struct MonoJumpTableChunk {
7683 struct MonoJumpTableChunk *previous;
7684 /* gpointer entries[total]; */
7685 } MonoJumpTableChunk;
7687 static MonoJumpTableChunk* g_jumptable = NULL;
7688 #define mono_jumptable_lock() EnterCriticalSection (&jumptable_mutex)
7689 #define mono_jumptable_unlock() LeaveCriticalSection (&jumptable_mutex)
7690 static CRITICAL_SECTION jumptable_mutex;
7692 static MonoJumpTableChunk*
7693 mono_create_jumptable_chunk (guint32 max_entries)
7695 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
7696 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
7697 chunk->total = max_entries;
7702 mono_jumptable_init (void)
7704 if (g_jumptable == NULL) {
7705 InitializeCriticalSection (&jumptable_mutex);
7706 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
7711 mono_jumptable_add_entry (void)
7713 return mono_jumptable_add_entries (1);
7717 mono_jumptable_add_entries (guint32 entries)
7722 mono_jumptable_init ();
7723 mono_jumptable_lock ();
7724 index = g_jumptable->active;
7725 if (index + entries >= g_jumptable->total) {
7727 * Grow jumptable, by adding one more chunk.
7728 * We cannot realloc jumptable, as there could be pointers
7729 * to existing jump table entries in the code, so instead
7730 * we just add one more chunk.
7732 guint32 max_entries = entries;
7733 MonoJumpTableChunk *new_chunk;
7735 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
7736 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
7737 new_chunk = mono_create_jumptable_chunk (max_entries);
7738 /* Link old jumptable, so that we could free it up later. */
7739 new_chunk->previous = g_jumptable;
7740 g_jumptable = new_chunk;
7743 g_jumptable->active = index + entries;
7744 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
7745 mono_jumptable_unlock();
7751 mono_jumptable_cleanup (void)
7754 MonoJumpTableChunk *current = g_jumptable, *prev;
7755 while (current != NULL) {
7756 prev = current->previous;
7761 DeleteCriticalSection (&jumptable_mutex);
7766 mono_jumptable_get_entry (guint8 *code_ptr)
7768 return mono_arch_jumptable_entry_from_code (code_ptr);