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/metadata/mono-debug-debugger.h>
53 #include <mono/utils/mono-math.h>
54 #include <mono/utils/mono-compiler.h>
55 #include <mono/utils/mono-counters.h>
56 #include <mono/utils/mono-logger-internal.h>
57 #include <mono/utils/mono-mmap.h>
58 #include <mono/utils/mono-path.h>
59 #include <mono/utils/mono-tls.h>
60 #include <mono/utils/mono-hwcap.h>
61 #include <mono/utils/dtrace.h>
62 #include <mono/utils/mono-signal-handler.h>
63 #include <mono/utils/mono-threads.h>
66 #include "mini-llvm.h"
74 #include "jit-icalls.h"
77 #include "debugger-agent.h"
79 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
82 static guint32 default_opt = 0;
83 static gboolean default_opt_set = FALSE;
85 MonoNativeTlsKey mono_jit_tls_id;
87 #ifdef MONO_HAVE_FAST_TLS
88 MONO_FAST_TLS_DECLARE(mono_jit_tls);
91 MonoTraceSpec *mono_jit_trace_calls;
92 gboolean mono_compile_aot = FALSE;
93 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
94 gboolean mono_aot_only = FALSE;
95 /* Whenever to use IMT */
96 gboolean mono_use_imt = TRUE;
97 MonoMethodDesc *mono_inject_async_exc_method;
98 int mono_inject_async_exc_pos;
99 MonoMethodDesc *mono_break_at_bb_method;
100 int mono_break_at_bb_bb_num;
101 gboolean mono_do_x86_stack_align = TRUE;
102 const char *mono_build_date;
103 gboolean mono_do_signal_chaining;
104 gboolean mono_do_crash_chaining;
105 static gboolean mono_using_xdebug;
106 static int mini_verbose = 0;
109 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
110 * it can load AOT code compiled by LLVM.
112 gboolean mono_use_llvm = FALSE;
114 #define mono_jit_lock() mono_mutex_lock (&jit_mutex)
115 #define mono_jit_unlock() mono_mutex_unlock (&jit_mutex)
116 static mono_mutex_t jit_mutex;
118 static MonoCodeManager *global_codeman;
120 static GHashTable *jit_icall_name_hash;
122 static MonoDebugOptions debug_options;
124 #ifdef VALGRIND_JIT_REGISTER_MAP
125 static int valgrind_register = 0;
129 * Table written to by the debugger with a 1-based index into the
130 * mono_breakpoint_info table, which contains changes made to
131 * the JIT instructions by the debugger.
134 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
136 /* Whenever to check for pending exceptions in managed-to-native wrappers */
137 gboolean check_for_pending_exc = TRUE;
139 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
140 gboolean disable_vtypes_in_regs = FALSE;
142 static GSList *tramp_infos;
144 static void register_icalls (void);
147 mono_realloc_native_code (MonoCompile *cfg)
149 #if defined(__default_codegen__)
150 return g_realloc (cfg->native_code, cfg->code_size);
151 #elif defined(__native_client_codegen__)
153 gpointer native_code;
154 guint alignment_check;
156 /* Save the old alignment offset so we can re-align after the realloc. */
157 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
158 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
160 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
161 cfg->code_size + kNaClAlignment );
163 /* Align native_code to next nearest kNaClAlignment byte. */
164 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
165 native_code = (guint)native_code & ~kNaClAlignmentMask;
167 /* Shift the data to be 32-byte aligned again. */
168 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
170 alignment_check = (guint)native_code & kNaClAlignmentMask;
171 g_assert (alignment_check == 0);
174 g_assert_not_reached ();
175 return cfg->native_code;
179 #ifdef __native_client_codegen__
181 /* Prevent instructions from straddling a 32-byte alignment boundary. */
182 /* Instructions longer than 32 bytes must be aligned internally. */
183 /* IN: pcode, instlen */
185 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
188 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
190 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
191 g_assert_not_reached();
192 } else if (instlen > space_in_block) {
193 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
197 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
198 /* IN: start pointer to start of call sequence */
199 /* IN: pcode pointer to end of call sequence (current "IP") */
200 /* OUT: start pointer to the start of the call sequence after padding */
201 /* OUT: pcode pointer to the end of the call sequence after padding */
202 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
203 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
204 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
207 const size_t length = (size_t)((*pcode)-(*start));
208 g_assert(length < MAX_NACL_CALL_LENGTH);
210 memcpy(copy_of_call, *start, length);
211 temp = mono_nacl_pad_call(*start, (guint8)length);
212 memcpy(temp, copy_of_call, length);
214 (*pcode) = temp + length;
217 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
218 /* code pointer to buffer for emitting code */
219 /* ilength length of call instruction */
220 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
221 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
222 int padding = freeSpaceInBlock - ilength;
225 /* There isn't enough space in this block for the instruction. */
226 /* Fill this block and start a new one. */
227 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
228 freeSpaceInBlock = kNaClAlignment;
229 padding = freeSpaceInBlock - ilength;
231 g_assert(ilength > 0);
232 g_assert(padding >= 0);
233 g_assert(padding < kNaClAlignment);
234 if (0 == padding) return code;
235 return mono_arch_nacl_pad(code, padding);
238 guint8 *mono_nacl_align(guint8 *code) {
239 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
240 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
244 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
246 #ifndef USE_JUMP_TABLES
247 MonoJumpInfo *patch_info;
248 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
249 unsigned char *ip = patch_info->ip.i + code;
250 ip = mono_arch_nacl_skip_nops(ip);
251 patch_info->ip.i = ip - code;
255 #endif /* __native_client_codegen__ */
258 mono_running_on_valgrind (void)
260 if (RUNNING_ON_VALGRIND){
261 #ifdef VALGRIND_JIT_REGISTER_MAP
262 valgrind_register = TRUE;
270 MonoExceptionClause *clause;
271 MonoBasicBlock *basic_block;
281 find_tramp (gpointer key, gpointer value, gpointer user_data)
283 FindTrampUserData *ud = (FindTrampUserData*)user_data;
286 ud->method = (MonoMethod*)key;
290 G_GNUC_UNUSED static char*
291 get_method_from_ip (void *ip)
296 MonoDomain *domain = mono_domain_get ();
297 MonoDebugSourceLocation *location;
298 FindTrampUserData user_data;
301 domain = mono_get_root_domain ();
303 ji = mono_jit_info_table_find (domain, ip);
306 user_data.method = NULL;
307 mono_domain_lock (domain);
308 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
309 mono_domain_unlock (domain);
310 if (user_data.method) {
311 char *mname = mono_method_full_name (user_data.method, TRUE);
312 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
319 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
320 /* FIXME: unused ? */
321 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
323 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);
325 mono_debug_free_source_location (location);
333 * @ip: an instruction pointer address
335 * This method is used from a debugger to get the name of the
336 * method at address @ip. This routine is typically invoked from
337 * a debugger like this:
339 * (gdb) print mono_pmip ($pc)
341 * Returns: the name of the method at address @ip.
346 return get_method_from_ip (ip);
350 * mono_print_method_from_ip
351 * @ip: an instruction pointer address
353 * This method is used from a debugger to get the name of the
354 * method at address @ip.
356 * This prints the name of the method at address @ip in the standard
357 * output. Unlike mono_pmip which returns a string, this routine
358 * prints the value on the standard output.
361 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
362 __attribute__((used))
365 mono_print_method_from_ip (void *ip)
369 MonoDebugSourceLocation *source;
370 MonoDomain *domain = mono_domain_get ();
371 MonoDomain *target_domain = mono_domain_get ();
372 FindTrampUserData user_data;
373 MonoGenericSharingContext*gsctx;
374 const char *shared_type;
377 ji = mini_jit_info_table_find (domain, ip, &target_domain);
380 user_data.method = NULL;
381 mono_domain_lock (domain);
382 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
383 mono_domain_unlock (domain);
384 if (user_data.method) {
385 char *mname = mono_method_full_name (user_data.method, TRUE);
386 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
390 for (l = tramp_infos; l; l = l->next) {
391 MonoTrampInfo *tinfo = l->data;
393 if ((guint8*)ip >= tinfo->code && (guint8*)ip <= tinfo->code + tinfo->code_size) {
394 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
399 g_print ("No method at %p\n", ip);
403 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
404 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (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)
435 if (!caller || !callee)
439 * If the call was made from domain-neutral to domain-specific
440 * code, we can't patch the call site.
442 if (caller->domain_neutral && !callee->domain_neutral)
445 cmethod = jinfo_get_method (caller);
446 if ((cmethod->klass == mono_defaults.appdomain_class) &&
447 (strstr (cmethod->name, "InvokeInDomain"))) {
448 /* The InvokeInDomain methods change the current appdomain */
456 * mono_global_codeman_reserve:
458 * Allocate code memory from the global code manager.
460 void *mono_global_codeman_reserve (int size)
465 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
467 if (!global_codeman) {
468 /* This can happen during startup */
469 global_codeman = mono_code_manager_new ();
470 return mono_code_manager_reserve (global_codeman, size);
474 ptr = mono_code_manager_reserve (global_codeman, size);
480 #if defined(__native_client_codegen__) && defined(__native_client__)
484 #ifdef __native_client_gc__
485 __nacl_suspend_thread_if_needed();
489 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
490 * which we are generating code, return a pointer to the destination in the
491 * dynamic code segment into which the code will be copied when
492 * mono_global_codeman_commit is called.
493 * LOCKING: Acquires the jit lock.
496 nacl_global_codeman_get_dest (void *data)
500 dest = nacl_code_manager_get_code_dest (global_codeman, data);
506 mono_global_codeman_commit (void *data, int size, int newsize)
509 mono_code_manager_commit (global_codeman, data, size, newsize);
514 * Convenience function which calls mono_global_codeman_commit to validate and
515 * copy the code. The caller sets *buf_base and *buf_size to the start and size
516 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
517 * the byte after the last instruction byte. On return, *buf_base will point to
518 * the start of the copied in the code segment, and *code_end will point after
519 * the end of the copied code.
522 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
524 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
525 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
526 *code_end = tmp + (*code_end - *buf_base);
530 /* no-op versions of Native Client functions */
532 nacl_global_codeman_get_dest (void *data)
538 mono_global_codeman_commit (void *data, int size, int newsize)
543 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
547 #endif /* __native_client__ */
550 * mono_create_unwind_op:
552 * Create an unwind op with the given parameters.
555 mono_create_unwind_op (int when, int tag, int reg, int val)
557 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
568 * mono_emit_unwind_op:
570 * Add an unwind op with the given parameters for the list of unwind ops stored in
574 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
576 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
583 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
584 if (cfg->verbose_level > 1) {
587 printf ("CFA: [%x] def_cfa: %s+0x%x\n", when, mono_arch_regname (reg), val);
589 case DW_CFA_def_cfa_register:
590 printf ("CFA: [%x] def_cfa_reg: %s\n", when, mono_arch_regname (reg));
592 case DW_CFA_def_cfa_offset:
593 printf ("CFA: [%x] def_cfa_offset: 0x%x\n", when, val);
596 printf ("CFA: [%x] offset: %s at cfa-0x%x\n", when, mono_arch_regname (reg), -val);
603 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
605 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
608 res->has_context = context != NULL;
610 memcpy (&res->context, context, sizeof (MonoGenericContext));
616 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
618 return mono_jump_info_token_new2 (mp, image, token, NULL);
622 * mono_tramp_info_create:
624 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
625 * of JI, and UNWIND_OPS.
628 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
630 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
632 info->name = g_strdup ((char*)name);
634 info->code_size = code_size;
636 info->unwind_ops = unwind_ops;
642 mono_tramp_info_free (MonoTrampInfo *info)
649 for (l = info->unwind_ops; l; l = l->next)
651 g_slist_free (info->unwind_ops);
656 * mono_tramp_info_register:
658 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
663 mono_tramp_info_register (MonoTrampInfo *info)
670 copy = g_new0 (MonoTrampInfo, 1);
671 copy->code = info->code;
672 copy->code_size = info->code_size;
673 copy->name = g_strdup (info->name);
676 tramp_infos = g_slist_prepend (tramp_infos, copy);
679 mono_save_trampoline_xdebug_info (info);
681 if (mono_jit_map_is_enabled ())
682 mono_emit_jit_tramp (info->code, info->code_size, info->name);
684 mono_tramp_info_free (info);
688 mono_tramp_info_cleanup (void)
692 for (l = tramp_infos; l; l = l->next) {
693 MonoTrampInfo *info = l->data;
695 mono_tramp_info_free (info);
697 g_slist_free (tramp_infos);
700 G_GNUC_UNUSED static void
706 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
707 * Set a breakpoint in break_count () to break the last time <x> is done.
709 G_GNUC_UNUSED gboolean
710 mono_debug_count (void)
712 static int count = 0;
715 if (!g_getenv ("COUNT"))
718 if (count == atoi (g_getenv ("COUNT"))) {
722 if (count > atoi (g_getenv ("COUNT"))) {
729 #define MONO_INIT_VARINFO(vi,id) do { \
730 (vi)->range.first_use.pos.bid = 0xffff; \
736 * mono_unlink_bblock:
738 * Unlink two basic blocks.
741 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
747 for (i = 0; i < from->out_count; ++i) {
748 if (to == from->out_bb [i]) {
755 for (i = 0; i < from->out_count; ++i) {
756 if (from->out_bb [i] != to)
757 from->out_bb [pos ++] = from->out_bb [i];
759 g_assert (pos == from->out_count - 1);
764 for (i = 0; i < to->in_count; ++i) {
765 if (from == to->in_bb [i]) {
772 for (i = 0; i < to->in_count; ++i) {
773 if (to->in_bb [i] != from)
774 to->in_bb [pos ++] = to->in_bb [i];
776 g_assert (pos == to->in_count - 1);
782 * mono_bblocks_linked:
784 * Return whenever BB1 and BB2 are linked in the CFG.
787 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
791 for (i = 0; i < bb1->out_count; ++i) {
792 if (bb1->out_bb [i] == bb2)
800 mono_find_block_region_notry (MonoCompile *cfg, int offset)
802 MonoMethodHeader *header = cfg->header;
803 MonoExceptionClause *clause;
806 for (i = 0; i < header->num_clauses; ++i) {
807 clause = &header->clauses [i];
808 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
809 (offset < (clause->handler_offset)))
810 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
812 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
813 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
814 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
815 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
816 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
818 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
826 * mono_get_block_region_notry:
828 * Return the region corresponding to REGION, ignoring try clauses nested inside
832 mono_get_block_region_notry (MonoCompile *cfg, int region)
834 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
835 MonoMethodHeader *header = cfg->header;
838 * This can happen if a try clause is nested inside a finally clause.
840 int clause_index = (region >> 8) - 1;
841 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
843 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
850 mono_find_spvar_for_region (MonoCompile *cfg, int region)
852 region = mono_get_block_region_notry (cfg, region);
854 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
858 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
862 array [*dfn] = start;
863 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
864 for (i = 0; i < start->out_count; ++i) {
865 if (start->out_bb [i]->dfn)
868 start->out_bb [i]->dfn = *dfn;
869 start->out_bb [i]->df_parent = start;
870 array [*dfn] = start->out_bb [i];
871 df_visit (start->out_bb [i], dfn, array);
876 mono_reverse_branch_op (guint32 opcode)
878 static const int reverse_map [] = {
879 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
880 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
882 static const int reverse_fmap [] = {
883 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
884 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
886 static const int reverse_lmap [] = {
887 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
888 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
890 static const int reverse_imap [] = {
891 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
892 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
895 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
896 opcode = reverse_map [opcode - CEE_BEQ];
897 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
898 opcode = reverse_fmap [opcode - OP_FBEQ];
899 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
900 opcode = reverse_lmap [opcode - OP_LBEQ];
901 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
902 opcode = reverse_imap [opcode - OP_IBEQ];
904 g_assert_not_reached ();
910 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
913 return OP_STORE_MEMBASE_REG;
915 type = mini_replace_type (type);
918 switch (type->type) {
921 case MONO_TYPE_BOOLEAN:
922 return OP_STOREI1_MEMBASE_REG;
926 return OP_STOREI2_MEMBASE_REG;
929 return OP_STOREI4_MEMBASE_REG;
933 case MONO_TYPE_FNPTR:
934 return OP_STORE_MEMBASE_REG;
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_STORE_MEMBASE_REG;
943 return OP_STOREI8_MEMBASE_REG;
945 return OP_STORER4_MEMBASE_REG;
947 return OP_STORER8_MEMBASE_REG;
948 case MONO_TYPE_VALUETYPE:
949 if (type->data.klass->enumtype) {
950 type = mono_class_enum_basetype (type->data.klass);
953 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
954 return OP_STOREX_MEMBASE;
955 return OP_STOREV_MEMBASE;
956 case MONO_TYPE_TYPEDBYREF:
957 return OP_STOREV_MEMBASE;
958 case MONO_TYPE_GENERICINST:
959 type = &type->data.generic_class->container_class->byval_arg;
963 if (mini_type_var_is_vt (cfg, type))
964 return OP_STOREV_MEMBASE;
966 return OP_STORE_MEMBASE_REG;
968 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
974 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
977 return OP_LOAD_MEMBASE;
979 type = mini_replace_type (type);
981 switch (type->type) {
983 return OP_LOADI1_MEMBASE;
985 case MONO_TYPE_BOOLEAN:
986 return OP_LOADU1_MEMBASE;
988 return OP_LOADI2_MEMBASE;
991 return OP_LOADU2_MEMBASE;
993 return OP_LOADI4_MEMBASE;
995 return OP_LOADU4_MEMBASE;
999 case MONO_TYPE_FNPTR:
1000 return OP_LOAD_MEMBASE;
1001 case MONO_TYPE_CLASS:
1002 case MONO_TYPE_STRING:
1003 case MONO_TYPE_OBJECT:
1004 case MONO_TYPE_SZARRAY:
1005 case MONO_TYPE_ARRAY:
1006 return OP_LOAD_MEMBASE;
1009 return OP_LOADI8_MEMBASE;
1011 return OP_LOADR4_MEMBASE;
1013 return OP_LOADR8_MEMBASE;
1014 case MONO_TYPE_VALUETYPE:
1015 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
1016 return OP_LOADX_MEMBASE;
1017 case MONO_TYPE_TYPEDBYREF:
1018 return OP_LOADV_MEMBASE;
1019 case MONO_TYPE_GENERICINST:
1020 if (mono_type_generic_inst_is_valuetype (type))
1021 return OP_LOADV_MEMBASE;
1023 return OP_LOAD_MEMBASE;
1026 case MONO_TYPE_MVAR:
1027 g_assert (cfg->generic_sharing_context);
1028 if (mini_type_var_is_vt (cfg, type))
1029 return OP_LOADV_MEMBASE;
1031 return OP_LOAD_MEMBASE;
1033 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
1039 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
1041 if (cfg->generic_sharing_context && !type->byref) {
1042 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1043 if (mini_type_var_is_vt (cfg, type))
1046 return CEE_LDIND_REF;
1049 return mono_type_to_ldind (type);
1055 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
1057 type = mini_replace_type (type);
1059 if (cfg->generic_sharing_context && !type->byref) {
1060 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1061 if (mini_type_var_is_vt (cfg, type))
1064 return CEE_STIND_REF;
1067 return mono_type_to_stind (type);
1071 mono_op_imm_to_op (int opcode)
1075 #if SIZEOF_REGISTER == 4
1091 #if SIZEOF_REGISTER == 4
1097 #if SIZEOF_REGISTER == 4
1103 #if SIZEOF_REGISTER == 4
1128 case OP_ISHR_UN_IMM:
1130 case OP_LSHR_UN_IMM:
1134 case OP_IDIV_UN_IMM:
1136 case OP_IREM_UN_IMM:
1143 #if SIZEOF_REGISTER == 4
1149 #if SIZEOF_REGISTER == 4
1166 case OP_COMPARE_IMM:
1168 case OP_ICOMPARE_IMM:
1170 case OP_LOCALLOC_IMM:
1173 printf ("%s\n", mono_inst_name (opcode));
1174 g_assert_not_reached ();
1180 * mono_decompose_op_imm:
1182 * Replace the OP_.._IMM INS with its non IMM variant.
1185 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1189 MONO_INST_NEW (cfg, temp, OP_ICONST);
1190 temp->inst_c0 = ins->inst_imm;
1191 temp->dreg = mono_alloc_ireg (cfg);
1192 mono_bblock_insert_before_ins (bb, ins, temp);
1193 ins->opcode = mono_op_imm_to_op (ins->opcode);
1194 if (ins->opcode == OP_LOCALLOC)
1195 ins->sreg1 = temp->dreg;
1197 ins->sreg2 = temp->dreg;
1199 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1205 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1207 if (vreg >= cfg->vreg_to_inst_len) {
1208 MonoInst **tmp = cfg->vreg_to_inst;
1209 int size = cfg->vreg_to_inst_len;
1211 while (vreg >= cfg->vreg_to_inst_len)
1212 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1213 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1215 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1217 cfg->vreg_to_inst [vreg] = inst;
1220 #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)))
1221 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1226 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1234 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1237 int num = cfg->num_varinfo;
1240 type = mini_replace_type (type);
1242 if ((num + 1) >= cfg->varinfo_count) {
1243 int orig_count = cfg->varinfo_count;
1244 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1245 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1246 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1247 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1250 cfg->stat_allocate_var++;
1252 MONO_INST_NEW (cfg, inst, opcode);
1253 inst->inst_c0 = num;
1254 inst->inst_vtype = type;
1255 inst->klass = mono_class_from_mono_type (type);
1256 type_to_eval_stack_type (cfg, type, inst);
1257 /* if set to 1 the variable is native */
1258 inst->backend.is_pinvoke = 0;
1261 if (inst->klass->exception_type)
1262 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1264 if (cfg->compute_gc_maps) {
1266 mono_mark_vreg_as_mp (cfg, vreg);
1268 MonoType *t = mini_replace_type (type);
1269 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1270 inst->flags |= MONO_INST_GC_TRACK;
1271 mono_mark_vreg_as_ref (cfg, vreg);
1276 cfg->varinfo [num] = inst;
1278 MONO_INIT_VARINFO (&cfg->vars [num], num);
1279 MONO_VARINFO (cfg, num)->vreg = vreg;
1282 set_vreg_to_inst (cfg, vreg, inst);
1284 #if SIZEOF_REGISTER == 4
1285 if (mono_arch_is_soft_float ()) {
1286 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1288 regpair = mono_type_is_long (type);
1298 * These two cannot be allocated using create_var_for_vreg since that would
1299 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1303 * Set flags to VOLATILE so SSA skips it.
1306 if (cfg->verbose_level >= 4) {
1307 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1310 if (mono_arch_is_soft_float () && cfg->opt & MONO_OPT_SSA) {
1311 if (mono_type_is_float (type))
1312 inst->flags = MONO_INST_VOLATILE;
1315 /* Allocate a dummy MonoInst for the first vreg */
1316 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1317 tree->dreg = inst->dreg + 1;
1318 if (cfg->opt & MONO_OPT_SSA)
1319 tree->flags = MONO_INST_VOLATILE;
1320 tree->inst_c0 = num;
1321 tree->type = STACK_I4;
1322 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1323 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1325 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1327 /* Allocate a dummy MonoInst for the second vreg */
1328 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1329 tree->dreg = inst->dreg + 2;
1330 if (cfg->opt & MONO_OPT_SSA)
1331 tree->flags = MONO_INST_VOLATILE;
1332 tree->inst_c0 = num;
1333 tree->type = STACK_I4;
1334 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1335 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1337 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1341 if (cfg->verbose_level > 2)
1342 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1347 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1350 type = mini_replace_type (type);
1352 if (mono_type_is_long (type))
1353 dreg = mono_alloc_dreg (cfg, STACK_I8);
1354 else if (mono_arch_is_soft_float () && mono_type_is_float (type))
1355 dreg = mono_alloc_dreg (cfg, STACK_R8);
1357 /* All the others are unified */
1358 dreg = mono_alloc_preg (cfg);
1360 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1364 * Transform a MonoInst into a load from the variable of index var_index.
1367 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1368 memset (dest, 0, sizeof (MonoInst));
1369 dest->inst_i0 = cfg->varinfo [var_index];
1370 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1371 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1372 dest->klass = dest->inst_i0->klass;
1378 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1380 if (vreg >= cfg->vreg_is_ref_len) {
1381 gboolean *tmp = cfg->vreg_is_ref;
1382 int size = cfg->vreg_is_ref_len;
1384 while (vreg >= cfg->vreg_is_ref_len)
1385 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1386 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1388 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1390 cfg->vreg_is_ref [vreg] = TRUE;
1394 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1396 if (vreg >= cfg->vreg_is_mp_len) {
1397 gboolean *tmp = cfg->vreg_is_mp;
1398 int size = cfg->vreg_is_mp_len;
1400 while (vreg >= cfg->vreg_is_mp_len)
1401 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1402 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1404 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1406 cfg->vreg_is_mp [vreg] = TRUE;
1410 type_from_stack_type (MonoInst *ins) {
1411 switch (ins->type) {
1412 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1413 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1414 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1415 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1418 * this if used to be commented without any specific reason, but
1419 * it breaks #80235 when commented
1422 return &ins->klass->this_arg;
1424 return &mono_defaults.object_class->this_arg;
1426 /* ins->klass may not be set for ldnull.
1427 * Also, if we have a boxed valuetype, we want an object lass,
1428 * not the valuetype class
1430 if (ins->klass && !ins->klass->valuetype)
1431 return &ins->klass->byval_arg;
1432 return &mono_defaults.object_class->byval_arg;
1433 case STACK_VTYPE: return &ins->klass->byval_arg;
1435 g_error ("stack type %d to montype not handled\n", ins->type);
1441 mono_type_from_stack_type (MonoInst *ins) {
1442 return type_from_stack_type (ins);
1446 * mono_add_ins_to_end:
1448 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1451 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1456 MONO_ADD_INS (bb, inst);
1460 switch (bb->last_ins->opcode) {
1474 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1477 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1478 /* Need to insert the ins before the compare */
1479 if (bb->code == bb->last_ins) {
1480 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1484 if (bb->code->next == bb->last_ins) {
1485 /* Only two instructions */
1486 opcode = bb->code->opcode;
1488 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)) {
1490 mono_bblock_insert_before_ins (bb, bb->code, inst);
1492 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1495 opcode = bb->last_ins->prev->opcode;
1497 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)) {
1499 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1501 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1506 MONO_ADD_INS (bb, inst);
1512 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1514 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1515 MonoJumpInfoBBTable *table;
1517 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1519 table->table_size = num_blocks;
1521 ji->ip.label = label;
1522 ji->type = MONO_PATCH_INFO_SWITCH;
1523 ji->data.table = table;
1524 ji->next = cfg->patch_info;
1525 cfg->patch_info = ji;
1528 static MonoMethodSignature *
1529 mono_get_array_new_va_signature (int arity)
1531 static GHashTable *sighash;
1532 MonoMethodSignature *res;
1537 sighash = g_hash_table_new (NULL, NULL);
1539 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1544 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1547 if (ARCH_VARARG_ICALLS)
1548 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1549 res->call_convention = MONO_CALL_VARARG;
1552 res->call_convention = MONO_CALL_C;
1555 res->params [0] = &mono_defaults.int_class->byval_arg;
1556 for (i = 0; i < arity; i++)
1557 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1559 res->ret = &mono_defaults.object_class->byval_arg;
1561 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1568 mono_get_array_new_va_icall (int rank)
1570 MonoMethodSignature *esig;
1571 char icall_name [256];
1573 MonoJitICallInfo *info;
1575 /* Need to register the icall so it gets an icall wrapper */
1576 sprintf (icall_name, "ves_array_new_va_%d", rank);
1579 info = mono_find_jit_icall_by_name (icall_name);
1581 esig = mono_get_array_new_va_signature (rank);
1582 name = g_strdup (icall_name);
1583 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1585 g_hash_table_insert (jit_icall_name_hash, name, name);
1593 mini_class_is_system_array (MonoClass *klass)
1595 if (klass->parent == mono_defaults.array_class)
1602 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1604 MonoAssembly *assembly = method->klass->image->assembly;
1605 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1607 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1609 if (mono_security_enabled ())
1611 return mono_assembly_has_skip_verification (assembly);
1615 * mini_method_verify:
1617 * Verify the method using the new verfier.
1619 * Returns true if the method is invalid.
1622 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1625 gboolean is_fulltrust;
1626 MonoLoaderError *error;
1628 if (method->verification_success)
1631 if (!mono_verifier_is_enabled_for_method (method))
1634 /*skip verification implies the assembly must be */
1635 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1637 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1639 if ((error = mono_loader_get_last_error ())) {
1641 cfg->exception_type = error->exception_type;
1643 mono_loader_clear_error ();
1645 mono_free_verify_list (res);
1650 for (tmp = res; tmp; tmp = tmp->next) {
1651 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1652 if (info->info.status == MONO_VERIFY_ERROR) {
1654 char *method_name = mono_method_full_name (method, TRUE);
1655 cfg->exception_type = info->exception_type;
1656 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1657 g_free (method_name);
1659 mono_free_verify_list (res);
1662 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1664 char *method_name = mono_method_full_name (method, TRUE);
1665 cfg->exception_type = info->exception_type;
1666 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1667 g_free (method_name);
1669 mono_free_verify_list (res);
1673 mono_free_verify_list (res);
1675 method->verification_success = 1;
1679 /*Returns true if something went wrong*/
1681 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1683 MonoMethod *method_definition = method;
1684 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1686 while (method_definition->is_inflated) {
1687 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1688 method_definition = imethod->declaring;
1691 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1694 static gconstpointer
1695 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1698 MonoMethod *wrapper;
1699 gconstpointer trampoline;
1700 MonoDomain *domain = mono_get_root_domain ();
1702 if (callinfo->wrapper) {
1703 return callinfo->wrapper;
1706 if (callinfo->trampoline)
1707 return callinfo->trampoline;
1710 * We use the lock on the root domain instead of the JIT lock to protect
1711 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1713 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1714 mono_domain_lock (domain);
1716 if (callinfo->trampoline) {
1717 mono_domain_unlock (domain);
1718 mono_loader_unlock ();
1719 return callinfo->trampoline;
1722 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1723 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1727 trampoline = mono_compile_method (wrapper);
1729 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1730 mono_register_jit_icall_wrapper (callinfo, trampoline);
1732 callinfo->trampoline = trampoline;
1734 mono_domain_unlock (domain);
1735 mono_loader_unlock ();
1737 return callinfo->trampoline;
1741 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1743 return mono_icall_get_wrapper_full (callinfo, FALSE);
1747 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1749 if (!domain_jit_info (domain)->dynamic_code_hash)
1750 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1751 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1754 static MonoJitDynamicMethodInfo*
1755 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1757 MonoJitDynamicMethodInfo *res;
1759 if (domain_jit_info (domain)->dynamic_code_hash)
1760 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1768 GList *active, *inactive;
1773 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1775 MonoMethodVar *v1 = (MonoMethodVar*)a;
1776 MonoMethodVar *v2 = (MonoMethodVar*)b;
1780 else if (v1->interval->range && v2->interval->range)
1781 return v1->interval->range->from - v2->interval->range->from;
1782 else if (v1->interval->range)
1791 #define LSCAN_DEBUG(a) do { a; } while (0)
1793 #define LSCAN_DEBUG(a)
1797 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1799 int i, slot, offset, size;
1804 GList *vars = NULL, *l, *unhandled;
1805 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1808 gboolean reuse_slot;
1810 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1812 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1813 vtype_stack_slots = NULL;
1816 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1817 for (i = 0; i < cfg->num_varinfo; ++i)
1820 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1821 inst = cfg->varinfo [i];
1822 vmv = MONO_VARINFO (cfg, i);
1824 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1827 vars = g_list_prepend (vars, vmv);
1830 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1835 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1836 MonoMethodVar *current = unhandled->data;
1838 if (current->interval->range) {
1839 g_assert (current->interval->range->from >= i);
1840 i = current->interval->range->from;
1847 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1848 MonoMethodVar *current = unhandled->data;
1851 inst = cfg->varinfo [vmv->idx];
1853 t = mono_type_get_underlying_type (inst->inst_vtype);
1854 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1857 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1858 * pinvoke wrappers when they call functions returning structures */
1859 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1860 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1865 size = mono_type_size (t, &ialign);
1868 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1873 if (cfg->disable_reuse_stack_slots)
1877 case MONO_TYPE_GENERICINST:
1878 if (!mono_type_generic_inst_is_valuetype (t)) {
1879 slot_info = &scalar_stack_slots [t->type];
1883 case MONO_TYPE_VALUETYPE:
1884 if (!vtype_stack_slots)
1885 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1886 for (i = 0; i < nvtypes; ++i)
1887 if (t->data.klass == vtype_stack_slots [i].vtype)
1890 slot_info = &vtype_stack_slots [i];
1892 g_assert (nvtypes < 256);
1893 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1894 slot_info = &vtype_stack_slots [nvtypes];
1897 if (cfg->disable_reuse_ref_stack_slots)
1904 #if SIZEOF_VOID_P == 4
1909 if (cfg->disable_ref_noref_stack_slot_share) {
1910 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1915 case MONO_TYPE_CLASS:
1916 case MONO_TYPE_OBJECT:
1917 case MONO_TYPE_ARRAY:
1918 case MONO_TYPE_SZARRAY:
1919 case MONO_TYPE_STRING:
1920 /* Share non-float stack slots of the same size */
1921 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1922 if (cfg->disable_reuse_ref_stack_slots)
1927 slot_info = &scalar_stack_slots [t->type];
1931 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1935 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1937 if (!current->interval->range) {
1938 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1942 inst->flags |= MONO_INST_IS_DEAD;
1947 pos = current->interval->range->from;
1949 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1950 if (current->interval->range)
1951 LSCAN_DEBUG (mono_linterval_print (current->interval));
1952 LSCAN_DEBUG (printf ("\n"));
1954 /* Check for intervals in active which expired or inactive */
1956 /* FIXME: Optimize this */
1959 for (l = slot_info->active; l != NULL; l = l->next) {
1960 MonoMethodVar *v = (MonoMethodVar*)l->data;
1962 if (v->interval->last_range->to < pos) {
1963 slot_info->active = g_list_delete_link (slot_info->active, l);
1964 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1965 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1969 else if (!mono_linterval_covers (v->interval, pos)) {
1970 slot_info->inactive = g_list_append (slot_info->inactive, v);
1971 slot_info->active = g_list_delete_link (slot_info->active, l);
1972 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1979 /* Check for intervals in inactive which expired or active */
1981 /* FIXME: Optimize this */
1984 for (l = slot_info->inactive; l != NULL; l = l->next) {
1985 MonoMethodVar *v = (MonoMethodVar*)l->data;
1987 if (v->interval->last_range->to < pos) {
1988 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1989 // FIXME: Enabling this seems to cause impossible to debug crashes
1990 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1991 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1995 else if (mono_linterval_covers (v->interval, pos)) {
1996 slot_info->active = g_list_append (slot_info->active, v);
1997 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1998 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
2006 * This also handles the case when the variable is used in an
2007 * exception region, as liveness info is not computed there.
2010 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2013 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2014 if (slot_info->slots) {
2015 slot = GPOINTER_TO_INT (slot_info->slots->data);
2017 slot_info->slots = slot_info->slots->next;
2020 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
2022 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2028 static int count = 0;
2031 if (count == atoi (g_getenv ("COUNT3")))
2032 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2033 if (count > atoi (g_getenv ("COUNT3")))
2036 mono_print_ins (inst);
2041 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
2043 if (inst->flags & MONO_INST_LMF) {
2044 size = sizeof (MonoLMF);
2045 align = sizeof (mgreg_t);
2052 if (slot == 0xffffff) {
2054 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2055 * efficient copying (and to work around the fact that OP_MEMCPY
2056 * and OP_MEMSET ignores alignment).
2058 if (MONO_TYPE_ISSTRUCT (t)) {
2059 align = MAX (align, sizeof (gpointer));
2060 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2065 offset += align - 1;
2066 offset &= ~(align - 1);
2070 offset += align - 1;
2071 offset &= ~(align - 1);
2076 if (*stack_align == 0)
2077 *stack_align = align;
2080 offsets [vmv->idx] = slot;
2083 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2084 if (scalar_stack_slots [i].active)
2085 g_list_free (scalar_stack_slots [i].active);
2087 for (i = 0; i < nvtypes; ++i) {
2088 if (vtype_stack_slots [i].active)
2089 g_list_free (vtype_stack_slots [i].active);
2092 cfg->stat_locals_stack_size += offset;
2094 *stack_size = offset;
2099 * mono_allocate_stack_slots:
2101 * Allocate stack slots for all non register allocated variables using a
2102 * linear scan algorithm.
2103 * Returns: an array of stack offsets.
2104 * STACK_SIZE is set to the amount of stack space needed.
2105 * STACK_ALIGN is set to the alignment needed by the locals area.
2108 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2110 int i, slot, offset, size;
2115 GList *vars = NULL, *l;
2116 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2119 gboolean reuse_slot;
2121 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2122 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2124 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2125 vtype_stack_slots = NULL;
2128 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2129 for (i = 0; i < cfg->num_varinfo; ++i)
2132 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2133 inst = cfg->varinfo [i];
2134 vmv = MONO_VARINFO (cfg, i);
2136 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2139 vars = g_list_prepend (vars, vmv);
2142 vars = mono_varlist_sort (cfg, vars, 0);
2144 *stack_align = sizeof(mgreg_t);
2145 for (l = vars; l; l = l->next) {
2147 inst = cfg->varinfo [vmv->idx];
2149 t = mono_type_get_underlying_type (inst->inst_vtype);
2150 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2153 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2154 * pinvoke wrappers when they call functions returning structures */
2155 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2156 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2160 size = mono_type_size (t, &ialign);
2163 if (mono_class_from_mono_type (t)->exception_type)
2164 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2166 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2171 if (cfg->disable_reuse_stack_slots)
2175 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2178 case MONO_TYPE_GENERICINST:
2179 if (!mono_type_generic_inst_is_valuetype (t)) {
2180 slot_info = &scalar_stack_slots [t->type];
2184 case MONO_TYPE_VALUETYPE:
2185 if (!vtype_stack_slots)
2186 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2187 for (i = 0; i < nvtypes; ++i)
2188 if (t->data.klass == vtype_stack_slots [i].vtype)
2191 slot_info = &vtype_stack_slots [i];
2193 g_assert (nvtypes < 256);
2194 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2195 slot_info = &vtype_stack_slots [nvtypes];
2198 if (cfg->disable_reuse_ref_stack_slots)
2205 #if SIZEOF_VOID_P == 4
2210 if (cfg->disable_ref_noref_stack_slot_share) {
2211 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2216 case MONO_TYPE_CLASS:
2217 case MONO_TYPE_OBJECT:
2218 case MONO_TYPE_ARRAY:
2219 case MONO_TYPE_SZARRAY:
2220 case MONO_TYPE_STRING:
2221 /* Share non-float stack slots of the same size */
2222 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2223 if (cfg->disable_reuse_ref_stack_slots)
2227 case MONO_TYPE_MVAR:
2228 slot_info = &scalar_stack_slots [t->type];
2231 slot_info = &scalar_stack_slots [t->type];
2237 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2238 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2240 /* expire old intervals in active */
2241 while (slot_info->active) {
2242 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2244 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2247 //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);
2249 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2250 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2254 * This also handles the case when the variable is used in an
2255 * exception region, as liveness info is not computed there.
2258 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2261 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2262 if (slot_info->slots) {
2263 slot = GPOINTER_TO_INT (slot_info->slots->data);
2265 slot_info->slots = slot_info->slots->next;
2268 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2273 static int count = 0;
2277 if (count == atoi (g_getenv ("COUNT")))
2278 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2279 if (count > atoi (g_getenv ("COUNT")))
2282 mono_print_ins (inst);
2287 if (inst->flags & MONO_INST_LMF) {
2289 * This variable represents a MonoLMF structure, which has no corresponding
2290 * CLR type, so hard-code its size/alignment.
2292 size = sizeof (MonoLMF);
2293 align = sizeof (mgreg_t);
2300 if (slot == 0xffffff) {
2302 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2303 * efficient copying (and to work around the fact that OP_MEMCPY
2304 * and OP_MEMSET ignores alignment).
2306 if (MONO_TYPE_ISSTRUCT (t)) {
2307 align = MAX (align, sizeof (gpointer));
2308 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2310 * Align the size too so the code generated for passing vtypes in
2311 * registers doesn't overwrite random locals.
2313 size = (size + (align - 1)) & ~(align -1);
2318 offset += align - 1;
2319 offset &= ~(align - 1);
2323 offset += align - 1;
2324 offset &= ~(align - 1);
2329 *stack_align = MAX (*stack_align, align);
2332 offsets [vmv->idx] = slot;
2335 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2336 if (scalar_stack_slots [i].active)
2337 g_list_free (scalar_stack_slots [i].active);
2339 for (i = 0; i < nvtypes; ++i) {
2340 if (vtype_stack_slots [i].active)
2341 g_list_free (vtype_stack_slots [i].active);
2344 cfg->stat_locals_stack_size += offset;
2346 *stack_size = offset;
2353 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2355 g_assert_not_reached ();
2359 #endif /* DISABLE_JIT */
2361 #define EMUL_HIT_SHIFT 3
2362 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2363 /* small hit bitmap cache */
2364 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2365 static short emul_opcode_num = 0;
2366 static short emul_opcode_alloced = 0;
2367 static short *emul_opcode_opcodes;
2368 static MonoJitICallInfo **emul_opcode_map;
2371 mono_find_jit_opcode_emulation (int opcode)
2373 g_assert (opcode >= 0 && opcode <= OP_LAST);
2374 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2376 for (i = 0; i < emul_opcode_num; ++i) {
2377 if (emul_opcode_opcodes [i] == opcode)
2378 return emul_opcode_map [i];
2385 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
2387 MonoJitICallInfo *info;
2388 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2390 g_assert (!sig->hasthis);
2391 g_assert (sig->param_count < 3);
2393 info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol);
2395 if (emul_opcode_num >= emul_opcode_alloced) {
2396 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2397 emul_opcode_alloced += incr;
2398 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2399 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2401 emul_opcode_map [emul_opcode_num] = info;
2402 emul_opcode_opcodes [emul_opcode_num] = opcode;
2404 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2408 * For JIT icalls implemented in C.
2409 * NAME should be the same as the name of the C function whose address is FUNC.
2410 * If SAVE is TRUE, no wrapper is generated. This is for perf critical icalls which
2411 * can't throw exceptions.
2414 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2416 MonoMethodSignature *sig;
2419 sig = mono_create_icall_signature (sigstr);
2423 mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
2427 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2429 MonoMethodSignature *sig;
2432 sig = mono_create_icall_signature (sigstr);
2436 mono_register_jit_icall (func, name, sig, save);
2440 print_dfn (MonoCompile *cfg) {
2447 char *method_name = mono_method_full_name (cfg->method, TRUE);
2448 g_print ("IR code for method %s\n", method_name);
2449 g_free (method_name);
2452 for (i = 0; i < cfg->num_bblocks; ++i) {
2453 bb = cfg->bblocks [i];
2454 /*if (bb->cil_code) {
2455 char* code1, *code2;
2456 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2457 if (bb->last_ins->cil_code)
2458 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2460 code2 = g_strdup ("");
2462 code1 [strlen (code1) - 1] = 0;
2463 code = g_strdup_printf ("%s -> %s", code1, code2);
2467 code = g_strdup ("\n");
2468 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2469 MONO_BB_FOR_EACH_INS (bb, c) {
2470 mono_print_ins_index (-1, c);
2473 g_print ("\tprev:");
2474 for (j = 0; j < bb->in_count; ++j) {
2475 g_print (" BB%d", bb->in_bb [j]->block_num);
2477 g_print ("\t\tsucc:");
2478 for (j = 0; j < bb->out_count; ++j) {
2479 g_print (" BB%d", bb->out_bb [j]->block_num);
2481 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2484 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2487 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2489 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2497 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2499 MONO_ADD_INS (bb, inst);
2503 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2507 bb->code = ins_to_insert;
2509 /* Link with next */
2510 ins_to_insert->next = ins;
2512 ins->prev = ins_to_insert;
2514 if (bb->last_ins == NULL)
2515 bb->last_ins = ins_to_insert;
2517 /* Link with next */
2518 ins_to_insert->next = ins->next;
2520 ins->next->prev = ins_to_insert;
2522 /* Link with previous */
2523 ins->next = ins_to_insert;
2524 ins_to_insert->prev = ins;
2526 if (bb->last_ins == ins)
2527 bb->last_ins = ins_to_insert;
2532 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2537 ins->prev = ins_to_insert;
2538 bb->code = ins_to_insert;
2539 ins_to_insert->next = ins;
2540 if (bb->last_ins == NULL)
2541 bb->last_ins = ins_to_insert;
2543 /* Link with previous */
2545 ins->prev->next = ins_to_insert;
2546 ins_to_insert->prev = ins->prev;
2548 /* Link with next */
2549 ins->prev = ins_to_insert;
2550 ins_to_insert->next = ins;
2552 if (bb->code == ins)
2553 bb->code = ins_to_insert;
2558 * mono_verify_bblock:
2560 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2563 mono_verify_bblock (MonoBasicBlock *bb)
2565 MonoInst *ins, *prev;
2568 for (ins = bb->code; ins; ins = ins->next) {
2569 g_assert (ins->prev == prev);
2573 g_assert (!bb->last_ins->next);
2579 * Perform consistency checks on the JIT data structures and the IR
2582 mono_verify_cfg (MonoCompile *cfg)
2586 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2587 mono_verify_bblock (bb);
2591 mono_destroy_compile (MonoCompile *cfg)
2596 mono_metadata_free_mh (cfg->header);
2597 //mono_mempool_stats (cfg->mempool);
2598 mono_free_loop_info (cfg);
2600 mono_regstate_free (cfg->rs);
2602 g_hash_table_destroy (cfg->spvars);
2604 g_hash_table_destroy (cfg->exvars);
2605 for (l = cfg->headers_to_free; l; l = l->next)
2606 mono_metadata_free_mh (l->data);
2607 g_list_free (cfg->ldstr_list);
2608 g_hash_table_destroy (cfg->token_info_hash);
2609 if (cfg->abs_patches)
2610 g_hash_table_destroy (cfg->abs_patches);
2611 mono_mempool_destroy (cfg->mempool);
2613 mono_debug_free_method (cfg);
2615 g_free (cfg->varinfo);
2617 g_free (cfg->exception_message);
2621 #ifdef MONO_HAVE_FAST_TLS
2622 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2623 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2625 * When this is defined, the current lmf is stored in this tls variable instead of in
2628 MONO_FAST_TLS_DECLARE(mono_lmf);
2633 mono_get_jit_tls_key (void)
2635 return mono_jit_tls_id;
2639 mono_get_jit_tls_offset (void)
2642 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2647 mono_get_lmf_tls_offset (void)
2649 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2651 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2659 mono_get_lmf_addr_tls_offset (void)
2662 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2669 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2670 return MONO_FAST_TLS_GET (mono_lmf);
2672 MonoJitTlsData *jit_tls;
2674 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2675 return jit_tls->lmf;
2677 * We do not assert here because this function can be called from
2678 * mini-gc.c on a thread that has not executed any managed code, yet
2679 * (the thread object allocation can trigger a collection).
2686 mono_get_lmf_addr (void)
2688 #ifdef MONO_HAVE_FAST_TLS
2689 return MONO_FAST_TLS_GET (mono_lmf_addr);
2691 MonoJitTlsData *jit_tls;
2693 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2694 if (G_LIKELY (jit_tls))
2695 return &jit_tls->lmf;
2698 * When resolving the call to mono_jit_thread_attach full-aot will look
2699 * in the plt, which causes a call into the generic trampoline, which in turn
2700 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2701 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2702 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2705 mono_jit_thread_attach (NULL);
2707 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2708 return &jit_tls->lmf;
2710 g_assert_not_reached ();
2716 mono_set_lmf (MonoLMF *lmf)
2718 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2719 MONO_FAST_TLS_SET (mono_lmf, lmf);
2722 (*mono_get_lmf_addr ()) = lmf;
2726 mono_get_jit_tls (void)
2728 return mono_native_tls_get_value (mono_jit_tls_id);
2732 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2734 MonoThreadInfo *info;
2736 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2738 #ifdef MONO_HAVE_FAST_TLS
2739 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2742 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2743 info = mono_thread_info_current ();
2745 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
2749 mono_set_lmf_addr (gpointer lmf_addr)
2751 MonoThreadInfo *info;
2753 #ifdef MONO_HAVE_FAST_TLS
2754 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2757 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2758 info = mono_thread_info_current ();
2760 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
2764 * mono_jit_thread_attach:
2766 * Called by native->managed wrappers. Returns the original domain which needs to be
2767 * restored, or NULL.
2770 mono_jit_thread_attach (MonoDomain *domain)
2776 * Happens when called from AOTed code which is only used in the root
2779 domain = mono_get_root_domain ();
2781 #ifdef MONO_HAVE_FAST_TLS
2782 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2783 mono_thread_attach (domain);
2785 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2788 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2789 mono_thread_attach (domain);
2790 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2793 orig = mono_domain_get ();
2795 mono_domain_set (domain, TRUE);
2797 return orig != domain ? orig : NULL;
2800 /* Called by native->managed wrappers */
2802 mono_jit_set_domain (MonoDomain *domain)
2805 mono_domain_set (domain, TRUE);
2809 * mono_thread_abort:
2810 * @obj: exception object
2812 * abort the thread, print exception information and stack trace
2815 mono_thread_abort (MonoObject *obj)
2817 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2819 /* handle_remove should be eventually called for this thread, too
2822 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2823 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2824 mono_thread_exit ();
2826 mono_invoke_unhandled_exception_hook (obj);
2831 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2833 MonoJitTlsData *jit_tls;
2836 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2840 jit_tls = g_new0 (MonoJitTlsData, 1);
2842 jit_tls->abort_func = abort_func;
2843 jit_tls->end_of_stack = stack_start;
2845 mono_set_jit_tls (jit_tls);
2847 lmf = g_new0 (MonoLMF, 1);
2848 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2850 jit_tls->first_lmf = lmf;
2852 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2853 /* jit_tls->lmf is unused */
2854 MONO_FAST_TLS_SET (mono_lmf, lmf);
2855 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2857 mono_set_lmf_addr (&jit_tls->lmf);
2862 #ifdef MONO_ARCH_HAVE_TLS_INIT
2863 mono_arch_tls_init ();
2866 mono_setup_altstack (jit_tls);
2872 free_jit_tls_data (MonoJitTlsData *jit_tls)
2874 mono_arch_free_jit_tls_data (jit_tls);
2875 mono_free_altstack (jit_tls);
2877 g_free (jit_tls->first_lmf);
2882 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2884 MonoInternalThread *thread;
2885 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2886 thread = mono_thread_internal_current ();
2888 thread->jit_data = jit_tls;
2890 mono_arch_cpu_init ();
2893 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2896 mono_thread_abort_dummy (MonoObject *obj)
2898 if (mono_thread_attach_aborted_cb)
2899 mono_thread_attach_aborted_cb (obj);
2901 mono_thread_abort (obj);
2905 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2907 MonoInternalThread *thread;
2908 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2909 thread = mono_thread_internal_current ();
2911 thread->jit_data = jit_tls;
2912 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2913 mono_runtime_setup_stat_profiler ();
2915 mono_arch_cpu_init ();
2919 mini_thread_cleanup (MonoInternalThread *thread)
2921 MonoJitTlsData *jit_tls = thread->jit_data;
2924 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2925 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2926 * not a trivial thing.
2928 * The current offender is mono_thread_manage which cleanup threads from the outside.
2930 if (thread == mono_thread_internal_current ())
2931 mono_set_jit_tls (NULL);
2933 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2934 if (mono_get_lmf ()) {
2935 mono_set_lmf (NULL);
2936 mono_set_lmf_addr (NULL);
2939 free_jit_tls_data (jit_tls);
2941 thread->jit_data = NULL;
2946 mini_get_tls_offset (MonoTlsKey key)
2951 case TLS_KEY_THREAD:
2952 offset = mono_thread_get_tls_offset ();
2954 case TLS_KEY_JIT_TLS:
2956 offset = mono_get_jit_tls_key ();
2958 offset = mono_get_jit_tls_offset ();
2961 case TLS_KEY_DOMAIN:
2962 offset = mono_domain_get_tls_offset ();
2965 offset = mono_get_lmf_tls_offset ();
2967 case TLS_KEY_LMF_ADDR:
2968 offset = mono_get_lmf_addr_tls_offset ();
2971 offset = mono_tls_key_get_offset (key);
2972 g_assert (offset != -1);
2982 mono_create_tls_get_offset (MonoCompile *cfg, int offset)
2986 if (!MONO_ARCH_HAVE_TLS_GET)
2992 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2993 ins->dreg = mono_alloc_preg (cfg);
2994 ins->inst_offset = offset;
2999 mini_tls_get_supported (MonoCompile *cfg, MonoTlsKey key)
3001 if (!MONO_ARCH_HAVE_TLS_GET)
3004 if (cfg->compile_aot)
3005 return ARCH_HAVE_TLS_GET_REG;
3007 return mini_get_tls_offset (key) != -1;
3011 mono_create_tls_get (MonoCompile *cfg, MonoTlsKey key)
3014 * TLS offsets might be different at AOT time, so load them from a GOT slot and
3015 * use a different opcode.
3017 if (cfg->compile_aot) {
3018 if (MONO_ARCH_HAVE_TLS_GET && ARCH_HAVE_TLS_GET_REG) {
3021 EMIT_NEW_TLS_OFFSETCONST (cfg, c, key);
3022 MONO_INST_NEW (cfg, ins, OP_TLS_GET_REG);
3023 ins->dreg = mono_alloc_preg (cfg);
3024 ins->sreg1 = c->dreg;
3031 return mono_create_tls_get_offset (cfg, mini_get_tls_offset (key));
3035 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
3037 return mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
3041 mono_get_domain_intrinsic (MonoCompile* cfg)
3043 return mono_create_tls_get (cfg, TLS_KEY_DOMAIN);
3047 mono_get_thread_intrinsic (MonoCompile* cfg)
3049 return mono_create_tls_get (cfg, TLS_KEY_THREAD);
3053 mono_get_lmf_intrinsic (MonoCompile* cfg)
3055 return mono_create_tls_get (cfg, TLS_KEY_LMF);
3059 mono_get_lmf_addr_intrinsic (MonoCompile* cfg)
3061 return mono_create_tls_get (cfg, TLS_KEY_LMF_ADDR);
3064 #endif /* !DISABLE_JIT */
3068 mini_tls_key_supported (MonoTlsKey key)
3070 if (!MONO_ARCH_HAVE_TLS_GET)
3073 return mini_get_tls_offset (key) != -1;
3077 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
3079 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3083 ji->data.target = target;
3084 ji->next = cfg->patch_info;
3086 cfg->patch_info = ji;
3090 mono_add_patch_info_rel (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target, int relocation)
3092 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3096 ji->relocation = relocation;
3097 ji->data.target = target;
3098 ji->next = cfg->patch_info;
3100 cfg->patch_info = ji;
3104 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
3106 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
3110 ji->data.target = target;
3117 mono_remove_patch_info (MonoCompile *cfg, int ip)
3119 MonoJumpInfo **ji = &cfg->patch_info;
3122 if ((*ji)->ip.i == ip)
3125 ji = &((*ji)->next);
3130 * mono_patch_info_dup_mp:
3132 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
3135 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
3137 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
3138 memcpy (res, patch_info, sizeof (MonoJumpInfo));
3140 switch (patch_info->type) {
3141 case MONO_PATCH_INFO_RVA:
3142 case MONO_PATCH_INFO_LDSTR:
3143 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3144 case MONO_PATCH_INFO_LDTOKEN:
3145 case MONO_PATCH_INFO_DECLSEC:
3146 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
3147 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
3149 case MONO_PATCH_INFO_SWITCH:
3150 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
3151 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
3152 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3153 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3155 case MONO_PATCH_INFO_RGCTX_FETCH:
3156 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
3157 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
3158 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
3160 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3161 res->data.del_tramp = mono_mempool_alloc0 (mp, sizeof (MonoClassMethodPair));
3162 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoClassMethodPair));
3164 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3165 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
3166 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3168 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3169 MonoGSharedVtMethodInfo *info;
3170 MonoGSharedVtMethodInfo *oinfo;
3173 oinfo = patch_info->data.gsharedvt_method;
3174 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
3175 res->data.gsharedvt_method = info;
3176 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
3177 info->entries = mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
3178 for (i = 0; i < oinfo->num_entries; ++i) {
3179 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3180 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3182 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3184 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
3185 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
3196 mono_patch_info_hash (gconstpointer data)
3198 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
3201 case MONO_PATCH_INFO_RVA:
3202 case MONO_PATCH_INFO_LDSTR:
3203 case MONO_PATCH_INFO_LDTOKEN:
3204 case MONO_PATCH_INFO_DECLSEC:
3205 return (ji->type << 8) | ji->data.token->token;
3206 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3207 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
3208 case MONO_PATCH_INFO_INTERNAL_METHOD:
3209 return (ji->type << 8) | g_str_hash (ji->data.name);
3210 case MONO_PATCH_INFO_VTABLE:
3211 case MONO_PATCH_INFO_CLASS:
3212 case MONO_PATCH_INFO_IID:
3213 case MONO_PATCH_INFO_ADJUSTED_IID:
3214 case MONO_PATCH_INFO_CLASS_INIT:
3215 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3216 case MONO_PATCH_INFO_METHODCONST:
3217 case MONO_PATCH_INFO_METHOD:
3218 case MONO_PATCH_INFO_METHOD_JUMP:
3219 case MONO_PATCH_INFO_IMAGE:
3220 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3221 case MONO_PATCH_INFO_ICALL_ADDR:
3222 case MONO_PATCH_INFO_FIELD:
3223 case MONO_PATCH_INFO_SFLDA:
3224 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3225 case MONO_PATCH_INFO_METHOD_RGCTX:
3226 case MONO_PATCH_INFO_SIGNATURE:
3227 case MONO_PATCH_INFO_TLS_OFFSET:
3228 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
3229 return (ji->type << 8) | (gssize)ji->data.target;
3230 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3231 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
3232 case MONO_PATCH_INFO_RGCTX_FETCH: {
3233 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
3235 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
3237 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3238 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
3239 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
3240 case MONO_PATCH_INFO_JIT_TLS_ID:
3241 case MONO_PATCH_INFO_MONITOR_ENTER:
3242 case MONO_PATCH_INFO_MONITOR_EXIT:
3243 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3244 case MONO_PATCH_INFO_GOT_OFFSET:
3245 return (ji->type << 8);
3246 case MONO_PATCH_INFO_SWITCH:
3247 return (ji->type << 8) | ji->data.table->table_size;
3248 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3249 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
3250 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
3251 /* Hash on the selector name */
3252 return g_str_hash (ji->data.target);
3253 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3254 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method;
3256 printf ("info type: %d\n", ji->type);
3257 mono_print_ji (ji); printf ("\n");
3258 g_assert_not_reached ();
3264 * mono_patch_info_equal:
3266 * This might fail to recognize equivalent patches, i.e. floats, so its only
3267 * usable in those cases where this is not a problem, i.e. sharing GOT slots
3271 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
3273 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
3274 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
3276 if (ji1->type != ji2->type)
3279 switch (ji1->type) {
3280 case MONO_PATCH_INFO_RVA:
3281 case MONO_PATCH_INFO_LDSTR:
3282 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3283 case MONO_PATCH_INFO_LDTOKEN:
3284 case MONO_PATCH_INFO_DECLSEC:
3285 if ((ji1->data.token->image != ji2->data.token->image) ||
3286 (ji1->data.token->token != ji2->data.token->token) ||
3287 (ji1->data.token->has_context != ji2->data.token->has_context) ||
3288 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
3289 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
3292 case MONO_PATCH_INFO_INTERNAL_METHOD:
3293 return g_str_equal (ji1->data.name, ji2->data.name);
3294 case MONO_PATCH_INFO_RGCTX_FETCH: {
3295 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3296 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3298 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);
3300 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3301 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
3302 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
3304 return c1->sig == c2->sig && c1->method == c2->method;
3306 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3307 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
3308 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3309 return ji1->data.del_tramp->klass == ji2->data.del_tramp->klass && ji1->data.del_tramp->method == ji2->data.del_tramp->method;
3311 if (ji1->data.target != ji2->data.target)
3320 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3322 unsigned char *ip = patch_info->ip.i + code;
3323 gconstpointer target = NULL;
3325 switch (patch_info->type) {
3326 case MONO_PATCH_INFO_BB:
3328 * FIXME: This could be hit for methods without a prolog. Should use -1
3329 * but too much code depends on a 0 initial value.
3331 //g_assert (patch_info->data.bb->native_offset);
3332 target = patch_info->data.bb->native_offset + code;
3334 case MONO_PATCH_INFO_ABS:
3335 target = patch_info->data.target;
3337 case MONO_PATCH_INFO_LABEL:
3338 target = patch_info->data.inst->inst_c0 + code;
3340 case MONO_PATCH_INFO_IP:
3341 #if defined(__native_client__) && defined(__native_client_codegen__)
3342 /* Need to transform to the destination address, it's */
3343 /* emitted as an immediate in the code. */
3344 target = nacl_inverse_modify_patch_target(ip);
3349 case MONO_PATCH_INFO_METHOD_REL:
3350 target = code + patch_info->data.offset;
3352 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3353 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3355 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3356 g_assert_not_reached ();
3358 target = mono_icall_get_wrapper (mi);
3361 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3362 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3364 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3365 g_assert_not_reached ();
3370 case MONO_PATCH_INFO_METHOD_JUMP:
3371 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3372 #if defined(__native_client__) && defined(__native_client_codegen__)
3373 # if defined(TARGET_AMD64)
3374 /* This target is an absolute address, not relative to the */
3375 /* current code being emitted on AMD64. */
3376 target = nacl_inverse_modify_patch_target(target);
3380 case MONO_PATCH_INFO_METHOD:
3381 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
3383 * If we use jumptables, for recursive calls we cannot
3384 * avoid trampoline, as we not yet know where we will
3387 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3389 if (patch_info->data.method == method) {
3392 /* get the trampoline to the method from the domain */
3393 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3397 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
3400 mono_domain_lock (domain);
3401 if (!domain_jit_info (domain)->method_code_hash)
3402 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
3403 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
3405 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
3406 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
3408 mono_domain_unlock (domain);
3412 case MONO_PATCH_INFO_SWITCH: {
3413 gpointer *jump_table;
3415 #if defined(__native_client__) && defined(__native_client_codegen__)
3416 /* This memory will leak, but we don't care if we're */
3417 /* not deleting JIT'd methods anyway */
3418 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3420 if (method && method->dynamic) {
3421 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3423 if (mono_aot_only) {
3424 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3426 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3431 for (i = 0; i < patch_info->data.table->table_size; i++) {
3432 #if defined(__native_client__) && defined(__native_client_codegen__)
3433 /* 'code' is relative to the current code blob, we */
3434 /* need to do this transform on it to make the */
3435 /* pointers in this table absolute */
3436 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3438 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3442 #if defined(__native_client__) && defined(__native_client_codegen__)
3443 /* jump_table is in the data section, we need to transform */
3444 /* it here so when it gets modified in amd64_patch it will */
3445 /* then point back to the absolute data address */
3446 target = nacl_inverse_modify_patch_target (jump_table);
3448 target = jump_table;
3452 case MONO_PATCH_INFO_METHODCONST:
3453 case MONO_PATCH_INFO_CLASS:
3454 case MONO_PATCH_INFO_IMAGE:
3455 case MONO_PATCH_INFO_FIELD:
3456 case MONO_PATCH_INFO_SIGNATURE:
3457 target = patch_info->data.target;
3459 case MONO_PATCH_INFO_IID:
3460 mono_class_init (patch_info->data.klass);
3461 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3463 case MONO_PATCH_INFO_ADJUSTED_IID:
3464 mono_class_init (patch_info->data.klass);
3465 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3467 case MONO_PATCH_INFO_VTABLE:
3468 target = mono_class_vtable (domain, patch_info->data.klass);
3471 case MONO_PATCH_INFO_CLASS_INIT: {
3472 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3475 target = mono_create_class_init_trampoline (vtable);
3478 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
3479 MonoClassMethodPair *del_tramp = patch_info->data.del_tramp;
3481 target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
3484 case MONO_PATCH_INFO_SFLDA: {
3485 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3487 if (mono_class_field_is_special_static (patch_info->data.field)) {
3488 gpointer addr = NULL;
3490 mono_domain_lock (domain);
3491 if (domain->special_static_fields)
3492 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3493 mono_domain_unlock (domain);
3499 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3500 /* Done by the generated code */
3504 mono_runtime_class_init (vtable);
3506 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3509 case MONO_PATCH_INFO_RVA: {
3510 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3513 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3514 target = mono_image_rva_map (patch_info->data.token->image, rva);
3517 case MONO_PATCH_INFO_R4:
3518 case MONO_PATCH_INFO_R8:
3519 target = patch_info->data.target;
3521 case MONO_PATCH_INFO_EXC_NAME:
3522 target = patch_info->data.name;
3524 case MONO_PATCH_INFO_LDSTR:
3526 mono_ldstr (domain, patch_info->data.token->image,
3527 mono_metadata_token_index (patch_info->data.token->token));
3529 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3531 MonoClass *handle_class;
3533 handle = mono_ldtoken (patch_info->data.token->image,
3534 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3535 mono_class_init (handle_class);
3536 mono_class_init (mono_class_from_mono_type (handle));
3539 mono_type_get_object (domain, handle);
3542 case MONO_PATCH_INFO_LDTOKEN: {
3544 MonoClass *handle_class;
3546 handle = mono_ldtoken (patch_info->data.token->image,
3547 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3548 mono_class_init (handle_class);
3553 case MONO_PATCH_INFO_DECLSEC:
3554 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3556 case MONO_PATCH_INFO_ICALL_ADDR:
3557 /* run_cctors == 0 -> AOT */
3558 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3559 const char *exc_class;
3560 const char *exc_arg;
3563 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3566 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3567 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));
3573 target = mono_lookup_internal_call (patch_info->data.method);
3575 if (!target && run_cctors)
3576 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3579 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3580 target = mono_thread_interruption_request_flag ();
3582 case MONO_PATCH_INFO_METHOD_RGCTX: {
3583 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3586 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3589 case MONO_PATCH_INFO_BB_OVF:
3590 case MONO_PATCH_INFO_EXC_OVF:
3591 case MONO_PATCH_INFO_GOT_OFFSET:
3592 case MONO_PATCH_INFO_NONE:
3594 case MONO_PATCH_INFO_RGCTX_FETCH: {
3595 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3598 switch (entry->data->type) {
3599 case MONO_PATCH_INFO_CLASS:
3600 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));
3602 case MONO_PATCH_INFO_METHOD:
3603 case MONO_PATCH_INFO_METHODCONST:
3604 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));
3606 case MONO_PATCH_INFO_FIELD:
3607 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));
3609 case MONO_PATCH_INFO_SIGNATURE:
3610 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));
3612 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3613 MonoJumpInfoGSharedVtCall *call_info = g_malloc0 (sizeof (MonoJumpInfoGSharedVtCall)); //mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
3615 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3616 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
3619 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3620 MonoGSharedVtMethodInfo *info;
3621 MonoGSharedVtMethodInfo *oinfo = entry->data->data.gsharedvt_method;
3624 /* Make a copy into the domain mempool */
3625 info = g_malloc0 (sizeof (MonoGSharedVtMethodInfo)); //mono_domain_alloc0 (domain, sizeof (MonoGSharedVtMethodInfo));
3626 info->method = oinfo->method;
3627 info->num_entries = oinfo->num_entries;
3628 info->entries = g_malloc0 (sizeof (MonoRuntimeGenericContextInfoTemplate) * info->num_entries);
3629 for (i = 0; i < oinfo->num_entries; ++i) {
3630 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3631 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3633 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3635 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, info, entry->info_type, mono_method_get_context (entry->method));
3639 g_assert_not_reached ();
3643 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3646 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3647 target = mono_create_generic_class_init_trampoline ();
3649 case MONO_PATCH_INFO_MONITOR_ENTER:
3650 target = mono_create_monitor_enter_trampoline ();
3652 case MONO_PATCH_INFO_MONITOR_EXIT:
3653 target = mono_create_monitor_exit_trampoline ();
3655 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3656 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3658 /* AOT, not needed */
3661 target = mono_arch_get_seq_point_info (domain, code);
3664 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3665 #ifdef MONO_ARCH_LLVM_SUPPORTED
3666 g_assert (mono_use_llvm);
3667 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3669 g_assert_not_reached ();
3672 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3673 int card_table_shift_bits;
3674 gpointer card_table_mask;
3676 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3679 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3680 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3683 case MONO_PATCH_INFO_JIT_TLS_ID: {
3684 target = (gpointer) (size_t) mono_jit_tls_id;
3687 case MONO_PATCH_INFO_TLS_OFFSET: {
3690 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
3691 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
3692 offset = mono_arch_translate_tls_offset (offset);
3694 target = GINT_TO_POINTER (offset);
3697 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
3702 g_assert_not_reached ();
3705 return (gpointer)target;
3709 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3711 ins->inst_offset = native_offset;
3712 g_ptr_array_add (cfg->seq_points, ins);
3714 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3715 bb->last_seq_point = ins;
3720 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3722 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3725 g_assert (offset == 0);
3727 entry->is_reg = is_reg;
3729 entry->offset = offset;
3733 if (var == cfg->args [0])
3734 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3735 else if (var == cfg->rgctx_var)
3736 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3742 mono_compile_create_vars (MonoCompile *cfg)
3744 MonoMethodSignature *sig;
3745 MonoMethodHeader *header;
3748 header = cfg->header;
3750 sig = mono_method_signature (cfg->method);
3752 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3753 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3754 /* Inhibit optimizations */
3755 cfg->ret->flags |= MONO_INST_VOLATILE;
3757 if (cfg->verbose_level > 2)
3758 g_print ("creating vars\n");
3760 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3763 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3765 for (i = 0; i < sig->param_count; ++i) {
3766 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3769 if (cfg->verbose_level > 2) {
3771 printf ("\treturn : ");
3772 mono_print_ins (cfg->ret);
3776 printf ("\tthis: ");
3777 mono_print_ins (cfg->args [0]);
3780 for (i = 0; i < sig->param_count; ++i) {
3781 printf ("\targ [%d]: ", i);
3782 mono_print_ins (cfg->args [i + sig->hasthis]);
3786 cfg->locals_start = cfg->num_varinfo;
3787 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3789 if (cfg->verbose_level > 2)
3790 g_print ("creating locals\n");
3792 for (i = 0; i < header->num_locals; ++i)
3793 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3795 if (cfg->verbose_level > 2)
3796 g_print ("locals done\n");
3798 mono_arch_create_vars (cfg);
3800 if (cfg->method->save_lmf && cfg->create_lmf_var) {
3801 MonoInst *lmf_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
3802 lmf_var->flags |= MONO_INST_VOLATILE;
3803 lmf_var->flags |= MONO_INST_LMF;
3804 cfg->lmf_var = lmf_var;
3809 mono_print_code (MonoCompile *cfg, const char* msg)
3813 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3814 mono_print_bb (bb, msg);
3818 mono_postprocess_patches (MonoCompile *cfg)
3820 MonoJumpInfo *patch_info;
3823 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3824 switch (patch_info->type) {
3825 case MONO_PATCH_INFO_ABS: {
3826 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3829 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3833 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3834 /* for these array methods we currently register the same function pointer
3835 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3836 * will return the incorrect one depending on the order they are registered.
3837 * See tests/test-arr.cs
3839 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3840 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3841 patch_info->data.name = info->name;
3845 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3846 if (cfg->abs_patches) {
3847 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3849 patch_info->type = abs_ji->type;
3850 patch_info->data.target = abs_ji->data.target;
3857 case MONO_PATCH_INFO_SWITCH: {
3859 #if defined(__native_client__) && defined(__native_client_codegen__)
3860 /* This memory will leak. */
3861 /* TODO: can we free this when */
3862 /* making the final jump table? */
3863 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3865 if (cfg->method->dynamic) {
3866 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3868 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3872 for (i = 0; i < patch_info->data.table->table_size; i++) {
3873 /* Might be NULL if the switch is eliminated */
3874 if (patch_info->data.table->table [i]) {
3875 g_assert (patch_info->data.table->table [i]->native_offset);
3876 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3881 patch_info->data.table->table = (MonoBasicBlock**)table;
3884 case MONO_PATCH_INFO_METHOD_JUMP: {
3885 MonoJumpList *jlist;
3886 MonoDomain *domain = cfg->domain;
3887 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3888 #if defined(__native_client__) && defined(__native_client_codegen__)
3889 /* When this jump target gets evaluated, the method */
3890 /* will be installed in the dynamic code section, */
3891 /* not at the location of cfg->native_code. */
3892 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3895 mono_domain_lock (domain);
3896 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3898 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3899 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3901 jlist->list = g_slist_prepend (jlist->list, ip);
3902 mono_domain_unlock (domain);
3913 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3916 MonoBasicBlock *in_bb;
3919 for (i = 0; i < bb->in_count; ++i) {
3920 in_bb = bb->in_bb [i];
3922 if (in_bb->last_seq_point) {
3923 int src_index = in_bb->last_seq_point->backend.size;
3924 int dst_index = ins->backend.size;
3926 /* bb->in_bb might contain duplicates */
3927 for (l = next [src_index]; l; l = l->next)
3928 if (GPOINTER_TO_UINT (l->data) == dst_index)
3931 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
3933 /* Have to look at its predecessors */
3935 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3941 mono_save_seq_point_info (MonoCompile *cfg)
3944 GSList *bb_seq_points, *l;
3946 MonoDomain *domain = cfg->domain;
3948 MonoSeqPointInfo *info;
3951 if (!cfg->seq_points)
3954 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len * sizeof (SeqPoint)));
3955 info->len = cfg->seq_points->len;
3956 for (i = 0; i < cfg->seq_points->len; ++i) {
3957 SeqPoint *sp = &info->seq_points [i];
3958 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3960 sp->il_offset = ins->inst_imm;
3961 sp->native_offset = ins->inst_offset;
3962 if (ins->flags & MONO_INST_NONEMPTY_STACK)
3963 sp->flags |= MONO_SEQ_POINT_FLAG_NONEMPTY_STACK;
3966 ins->backend.size = i;
3970 * For each sequence point, compute the list of sequence points immediately
3971 * following it, this is needed to implement 'step over' in the debugger agent.
3973 next = g_new0 (GSList*, cfg->seq_points->len);
3974 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3975 bb_seq_points = g_slist_reverse (bb->seq_points);
3977 for (l = bb_seq_points; l; l = l->next) {
3978 MonoInst *ins = l->data;
3980 if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
3981 /* Used to implement method entry/exit events */
3983 if (ins->inst_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE)
3987 /* Link with the previous seq point in the same bb */
3988 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3990 /* Link with the last bb in the previous bblocks */
3991 collect_pred_seq_points (bb, ins, next, 0);
3997 if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY && bb->seq_points) {
3998 MonoBasicBlock *bb2;
3999 MonoInst *endfinally_seq_point = NULL;
4002 * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
4004 l = g_slist_last (bb->seq_points);
4006 endfinally_seq_point = l->data;
4008 for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
4009 GSList *l = g_slist_last (bb2->seq_points);
4012 MonoInst *ins = l->data;
4014 if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
4015 next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
4022 if (cfg->verbose_level > 2) {
4023 printf ("\nSEQ POINT MAP: \n");
4026 for (i = 0; i < cfg->seq_points->len; ++i) {
4027 SeqPoint *sp = &info->seq_points [i];
4031 sp->next_len = g_slist_length (next [i]);
4032 sp->next = g_new (int, sp->next_len);
4034 if (cfg->verbose_level > 2 && next [i]) {
4035 printf ("\tIL0x%x ->", sp->il_offset);
4036 for (l = next [i]; l; l = l->next) {
4037 next_index = GPOINTER_TO_UINT (l->data);
4038 printf (" IL0x%x", info->seq_points [next_index].il_offset);
4042 for (l = next [i]; l; l = l->next) {
4043 next_index = GPOINTER_TO_UINT (l->data);
4044 sp->next [j ++] = next_index;
4046 g_slist_free (next [i]);
4050 cfg->seq_point_info = info;
4052 // FIXME: dynamic methods
4053 if (!cfg->compile_aot) {
4054 mono_domain_lock (domain);
4055 // FIXME: How can the lookup succeed ?
4056 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
4057 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
4058 mono_domain_unlock (domain);
4061 g_ptr_array_free (cfg->seq_points, TRUE);
4062 cfg->seq_points = NULL;
4066 mono_codegen (MonoCompile *cfg)
4069 int max_epilog_size;
4071 MonoDomain *code_domain;
4073 if (mono_using_xdebug)
4075 * Recent gdb versions have trouble processing symbol files containing
4076 * overlapping address ranges, so allocate all code from the code manager
4077 * of the root domain. (#666152).
4079 code_domain = mono_get_root_domain ();
4081 code_domain = cfg->domain;
4083 #if defined(__native_client_codegen__) && defined(__native_client__)
4086 /* This keeps patch targets from being transformed during
4087 * ordinary method compilation, for local branches and jumps.
4089 nacl_allow_target_modification (FALSE);
4092 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4093 cfg->spill_count = 0;
4094 /* we reuse dfn here */
4095 /* bb->dfn = bb_count++; */
4097 mono_arch_lowering_pass (cfg, bb);
4099 if (cfg->opt & MONO_OPT_PEEPHOLE)
4100 mono_arch_peephole_pass_1 (cfg, bb);
4103 mono_local_regalloc (cfg, bb);
4105 if (cfg->opt & MONO_OPT_PEEPHOLE)
4106 mono_arch_peephole_pass_2 (cfg, bb);
4109 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
4110 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
4112 code = mono_arch_emit_prolog (cfg);
4114 cfg->code_len = code - cfg->native_code;
4115 cfg->prolog_end = cfg->code_len;
4117 mono_debug_open_method (cfg);
4119 /* emit code all basic blocks */
4120 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4121 bb->native_offset = cfg->code_len;
4122 bb->real_native_offset = cfg->code_len;
4123 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
4124 mono_arch_output_basic_block (cfg, bb);
4125 bb->native_length = cfg->code_len - bb->native_offset;
4127 if (bb == cfg->bb_exit) {
4128 cfg->epilog_begin = cfg->code_len;
4129 mono_arch_emit_epilog (cfg);
4133 #ifdef __native_client_codegen__
4134 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4136 mono_arch_emit_exceptions (cfg);
4138 max_epilog_size = 0;
4140 /* we always allocate code in cfg->domain->code_mp to increase locality */
4141 cfg->code_size = cfg->code_len + max_epilog_size;
4142 #ifdef __native_client_codegen__
4143 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
4145 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
4147 if (cfg->method->dynamic) {
4148 guint unwindlen = 0;
4149 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4150 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4152 /* Allocate the code into a separate memory pool so it can be freed */
4153 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
4154 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
4155 mono_domain_lock (cfg->domain);
4156 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
4157 mono_domain_unlock (cfg->domain);
4159 if (mono_using_xdebug)
4160 /* See the comment for cfg->code_domain */
4161 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4163 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
4165 guint unwindlen = 0;
4166 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4167 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4169 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4171 #if defined(__native_client_codegen__) && defined(__native_client__)
4172 nacl_allow_target_modification (TRUE);
4176 memcpy (code, cfg->native_code, cfg->code_len);
4177 #if defined(__default_codegen__)
4178 g_free (cfg->native_code);
4179 #elif defined(__native_client_codegen__)
4180 if (cfg->native_code_alloc) {
4181 g_free (cfg->native_code_alloc);
4182 cfg->native_code_alloc = 0;
4184 else if (cfg->native_code) {
4185 g_free (cfg->native_code);
4187 #endif /* __native_client_codegen__ */
4188 cfg->native_code = code;
4189 code = cfg->native_code + cfg->code_len;
4191 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
4192 mono_postprocess_patches (cfg);
4194 #ifdef VALGRIND_JIT_REGISTER_MAP
4195 if (valgrind_register){
4196 char* nm = mono_method_full_name (cfg->method, TRUE);
4197 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
4202 if (cfg->verbose_level > 0) {
4203 char* nm = mono_method_full_name (cfg->method, TRUE);
4204 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
4206 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4211 gboolean is_generic = FALSE;
4213 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
4214 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
4218 if (cfg->generic_sharing_context)
4219 g_assert (is_generic);
4222 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
4223 mono_arch_save_unwind_info (cfg);
4226 #if defined(__native_client_codegen__) && defined(__native_client__)
4227 if (!cfg->compile_aot) {
4228 if (cfg->method->dynamic) {
4229 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
4231 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
4236 #if defined(__native_client_codegen__)
4237 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4240 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);
4242 if (cfg->method->dynamic) {
4243 if (mono_using_xdebug)
4244 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4246 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
4248 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4250 #if defined(__native_client_codegen__) && defined(__native_client__)
4251 cfg->native_code = code_dest;
4253 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
4255 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
4257 mono_debug_close_method (cfg);
4259 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4260 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
4265 compute_reachable (MonoBasicBlock *bb)
4269 if (!(bb->flags & BB_VISITED)) {
4270 bb->flags |= BB_VISITED;
4271 for (i = 0; i < bb->out_count; ++i)
4272 compute_reachable (bb->out_bb [i]);
4277 mono_handle_out_of_line_bblock (MonoCompile *cfg)
4280 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4281 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
4283 MONO_INST_NEW (cfg, ins, OP_BR);
4284 MONO_ADD_INS (bb, ins);
4285 ins->inst_target_bb = bb->next_bb;
4290 #endif /* #ifndef DISABLE_JIT */
4293 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
4295 MonoDomain *domain = mono_get_root_domain ();
4300 if (info->uw_info) {
4301 uw_info = info->uw_info;
4302 info_len = info->uw_info_len;
4304 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4307 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4308 jinfo->d.method = wrapper;
4309 jinfo->code_start = info->code;
4310 jinfo->code_size = info->code_size;
4311 jinfo->unwind_info = mono_cache_unwind_info (uw_info, info_len);
4322 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
4325 MonoMethodHeader *header;
4328 int generic_info_size, arch_eh_info_size = 0;
4329 int holes_size = 0, num_holes = 0, cas_size = 0;
4330 guint32 stack_size = 0;
4332 g_assert (method_to_compile == cfg->method);
4333 header = cfg->header;
4335 if (cfg->generic_sharing_context)
4336 generic_info_size = sizeof (MonoGenericJitInfo);
4338 generic_info_size = 0;
4340 if (cfg->arch_eh_jit_info) {
4341 MonoJitArgumentInfo *arg_info;
4342 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
4345 * This cannot be computed during stack walking, as
4346 * mono_arch_get_argument_info () is not signal safe.
4348 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
4349 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
4352 arch_eh_info_size = sizeof (MonoArchEHJitInfo);
4355 if (cfg->try_block_holes) {
4356 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4357 TryBlockHole *hole = tmp->data;
4358 MonoExceptionClause *ec = hole->clause;
4359 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
4360 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4361 g_assert (clause_last_bb);
4363 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4364 if (clause_last_bb->native_offset != hole_end)
4368 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
4369 if (G_UNLIKELY (cfg->verbose_level >= 4))
4370 printf ("Number of try block holes %d\n", num_holes);
4373 if (mono_security_method_has_declsec (cfg->method_to_register)) {
4374 cas_size = sizeof (MonoMethodCasInfo);
4377 if (COMPILE_LLVM (cfg))
4378 num_clauses = cfg->llvm_ex_info_len;
4380 num_clauses = header->num_clauses;
4382 if (cfg->method->dynamic) {
4383 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
4384 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4386 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
4387 (num_clauses * sizeof (MonoJitExceptionInfo)) +
4388 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4391 jinfo->d.method = cfg->method_to_register;
4392 jinfo->code_start = cfg->native_code;
4393 jinfo->code_size = cfg->code_len;
4394 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4395 jinfo->num_clauses = num_clauses;
4397 if (COMPILE_LLVM (cfg))
4398 jinfo->from_llvm = TRUE;
4400 if (cfg->generic_sharing_context) {
4402 MonoGenericJitInfo *gi;
4403 GSList *loclist = NULL;
4405 jinfo->has_generic_jit_info = 1;
4407 gi = mono_jit_info_get_generic_jit_info (jinfo);
4410 if (cfg->method->dynamic)
4411 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4413 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4414 mini_init_gsctx (cfg->method->dynamic ? NULL : cfg->domain, NULL, cfg->gsctx_context, gi->generic_sharing_context);
4416 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4417 mini_method_get_context (method_to_compile)->method_inst ||
4418 method_to_compile->klass->valuetype) {
4419 g_assert (cfg->rgctx_var);
4424 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4425 mini_method_get_context (method_to_compile)->method_inst ||
4426 method_to_compile->klass->valuetype) {
4427 inst = cfg->rgctx_var;
4428 if (!COMPILE_LLVM (cfg))
4429 g_assert (inst->opcode == OP_REGOFFSET);
4430 loclist = cfg->rgctx_loclist;
4432 inst = cfg->args [0];
4433 loclist = cfg->this_loclist;
4437 /* Needed to handle async exceptions */
4441 gi->nlocs = g_slist_length (loclist);
4442 if (cfg->method->dynamic)
4443 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4445 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4447 for (l = loclist; l; l = l->next) {
4448 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4453 if (COMPILE_LLVM (cfg)) {
4454 g_assert (cfg->llvm_this_reg != -1);
4455 gi->this_in_reg = 0;
4456 gi->this_reg = cfg->llvm_this_reg;
4457 gi->this_offset = cfg->llvm_this_offset;
4458 } else if (inst->opcode == OP_REGVAR) {
4459 gi->this_in_reg = 1;
4460 gi->this_reg = inst->dreg;
4462 g_assert (inst->opcode == OP_REGOFFSET);
4464 g_assert (inst->inst_basereg == X86_EBP);
4465 #elif defined(TARGET_AMD64)
4466 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4468 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4470 gi->this_in_reg = 0;
4471 gi->this_reg = inst->inst_basereg;
4472 gi->this_offset = inst->inst_offset;
4477 MonoTryBlockHoleTableJitInfo *table;
4480 jinfo->has_try_block_holes = 1;
4481 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4482 table->num_holes = (guint16)num_holes;
4484 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4485 guint32 start_bb_offset;
4486 MonoTryBlockHoleJitInfo *hole;
4487 TryBlockHole *hole_data = tmp->data;
4488 MonoExceptionClause *ec = hole_data->clause;
4489 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4490 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4491 g_assert (clause_last_bb);
4493 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4494 if (clause_last_bb->native_offset == hole_end)
4497 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4498 hole = &table->holes [i++];
4499 hole->clause = hole_data->clause - &header->clauses [0];
4500 hole->offset = (guint32)hole_data->start_offset;
4501 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4503 if (G_UNLIKELY (cfg->verbose_level >= 4))
4504 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4506 g_assert (i == num_holes);
4509 if (arch_eh_info_size) {
4510 MonoArchEHJitInfo *info;
4512 jinfo->has_arch_eh_info = 1;
4513 info = mono_jit_info_get_arch_eh_info (jinfo);
4515 info->stack_size = stack_size;
4519 jinfo->has_cas_info = 1;
4522 if (COMPILE_LLVM (cfg)) {
4524 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4525 } else if (header->num_clauses) {
4528 for (i = 0; i < header->num_clauses; i++) {
4529 MonoExceptionClause *ec = &header->clauses [i];
4530 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4531 MonoBasicBlock *tblock;
4532 MonoInst *exvar, *spvar;
4534 ei->flags = ec->flags;
4537 * The spvars are needed by mono_arch_install_handler_block_guard ().
4539 if (ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4542 region = ((i + 1) << 8) | MONO_REGION_FINALLY | ec->flags;
4543 spvar = mono_find_spvar_for_region (cfg, region);
4545 ei->exvar_offset = spvar->inst_offset;
4547 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4548 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4551 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4552 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4554 ei->data.filter = cfg->native_code + tblock->native_offset;
4556 ei->data.catch_class = ec->data.catch_class;
4559 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4561 g_assert (tblock->native_offset);
4562 ei->try_start = cfg->native_code + tblock->native_offset;
4563 if (tblock->extend_try_block) {
4565 * Extend the try block backwards to include parts of the previous call
4568 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4570 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4572 if (!tblock->native_offset) {
4574 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4575 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4576 if (bb && bb->native_offset) {
4582 ei->try_end = cfg->native_code + tblock->native_offset;
4583 g_assert (tblock->native_offset);
4584 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4586 ei->handler_start = cfg->native_code + tblock->native_offset;
4588 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4589 TryBlockHole *hole = tmp->data;
4590 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4591 if (hole->clause == ec && hole_end == ei->try_end) {
4592 if (G_UNLIKELY (cfg->verbose_level >= 4))
4593 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4595 ei->try_end = cfg->native_code + hole->start_offset;
4600 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4602 if (ec->handler_offset + ec->handler_len < header->code_size) {
4603 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4604 if (tblock->native_offset) {
4605 end_offset = tblock->native_offset;
4609 for (j = ec->handler_offset + ec->handler_len, end = ec->handler_offset; j >= end; --j) {
4610 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4611 if (bb && bb->native_offset) {
4616 end_offset = tblock->native_offset + tblock->native_length;
4619 end_offset = cfg->epilog_begin;
4621 ei->data.handler_end = cfg->native_code + end_offset;
4626 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4628 for (i = 0; i < jinfo->num_clauses; i++) {
4629 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4630 int start = (guint8*)ei->try_start - cfg->native_code;
4631 int end = (guint8*)ei->try_end - cfg->native_code;
4632 int handler = (guint8*)ei->handler_start - cfg->native_code;
4633 int handler_end = (guint8*)ei->data.handler_end - cfg->native_code;
4635 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x-%x\n", i, ei->flags, start, end, handler, handler_end);
4639 if (cfg->encoded_unwind_ops) {
4640 /* Generated by LLVM */
4641 jinfo->unwind_info = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4642 g_free (cfg->encoded_unwind_ops);
4643 } else if (cfg->unwind_ops) {
4645 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4646 guint32 unwind_desc;
4648 unwind_desc = mono_cache_unwind_info (unwind_info, info_len);
4650 if (cfg->has_unwind_info_for_epilog) {
4652 * The lower 16 bits identify the unwind descriptor, the upper 16 bits contain the offset of
4653 * the start of the epilog from the end of the method.
4655 g_assert (unwind_desc < 0xffff);
4656 g_assert (cfg->code_size - cfg->epilog_begin < 0xffff);
4657 jinfo->unwind_info = ((cfg->code_size - cfg->epilog_begin) << 16) | unwind_desc;
4659 jinfo->unwind_info = unwind_desc;
4661 g_free (unwind_info);
4663 jinfo->unwind_info = cfg->used_int_regs;
4671 get_gsharedvt_type (MonoType *t)
4673 MonoGenericParam *par = t->data.generic_param;
4674 MonoGenericParam *copy;
4676 MonoImage *image = NULL;
4679 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4680 * a different instantiation.
4682 g_assert (mono_generic_param_info (par));
4684 image = par->owner->image;
4686 mono_image_lock (image);
4687 if (!image->gsharedvt_types)
4688 image->gsharedvt_types = g_hash_table_new (NULL, NULL);
4689 res = g_hash_table_lookup (image->gsharedvt_types, par);
4690 mono_image_unlock (image);
4693 copy = mono_image_alloc0 (image, sizeof (MonoGenericParamFull));
4694 memcpy (copy, par, sizeof (MonoGenericParamFull));
4696 copy = g_memdup (par, sizeof (MonoGenericParamFull));
4700 copy->image = mono_defaults.corlib;
4702 res = mono_metadata_type_dup (NULL, t);
4703 res->data.generic_param = copy;
4706 mono_image_lock (image);
4707 /* Duplicates are ok */
4708 g_hash_table_insert (image->gsharedvt_types, par, res);
4709 mono_image_unlock (image);
4716 is_gsharedvt_type (MonoType *t)
4718 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4721 /* Return whenever METHOD is a gsharedvt method */
4723 is_gsharedvt_method (MonoMethod *method)
4725 MonoGenericContext *context;
4726 MonoGenericInst *inst;
4729 if (!method->is_inflated)
4731 context = mono_method_get_context (method);
4732 inst = context->class_inst;
4734 for (i = 0; i < inst->type_argc; ++i)
4735 if (is_gsharedvt_type (inst->type_argv [i]))
4738 inst = context->method_inst;
4740 for (i = 0; i < inst->type_argc; ++i)
4741 if (is_gsharedvt_type (inst->type_argv [i]))
4748 is_open_method (MonoMethod *method)
4750 MonoGenericContext *context;
4752 if (!method->is_inflated)
4754 context = mono_method_get_context (method);
4755 if (context->class_inst && context->class_inst->is_open)
4757 if (context->method_inst && context->method_inst->is_open)
4762 static MonoGenericInst*
4763 get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
4765 MonoGenericInst *res;
4766 MonoType **type_argv;
4769 type_argv = g_new0 (MonoType*, inst->type_argc);
4770 for (i = 0; i < inst->type_argc; ++i) {
4771 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)) {
4772 type_argv [i] = shared_inst->type_argv [i];
4773 } else if (all_vt) {
4774 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4775 } else if (gsharedvt) {
4776 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4778 type_argv [i] = inst->type_argv [i];
4782 res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4788 * mini_get_shared_method_full:
4790 * Return the method which is actually compiled/registered when doing generic sharing.
4791 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4792 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4793 * METHOD can be a non-inflated generic method.
4796 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4798 MonoGenericContext shared_context;
4799 MonoMethod *declaring_method, *res;
4800 gboolean partial = FALSE;
4801 gboolean gsharedvt = FALSE;
4802 MonoGenericContainer *class_container, *method_container = NULL;
4804 if (method->is_generic || (method->klass->generic_container && !method->is_inflated)) {
4805 declaring_method = method;
4807 declaring_method = mono_method_get_declaring_generic_method (method);
4810 if (declaring_method->is_generic)
4811 shared_context = mono_method_get_generic_container (declaring_method)->context;
4813 shared_context = declaring_method->klass->generic_container->context;
4815 /* Handle gsharedvt/partial sharing */
4816 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE)) ||
4817 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4818 MonoGenericContext *context = mono_method_get_context (method);
4819 MonoGenericInst *inst;
4821 partial = mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE);
4823 gsharedvt = is_gsharedvt || (!partial && mini_is_gsharedvt_sharable_method (method));
4825 class_container = declaring_method->klass->generic_container;
4826 method_container = mono_method_get_generic_container (declaring_method);
4829 * Create the shared context by replacing the ref type arguments with
4830 * type parameters, and keeping the rest.
4833 inst = context->class_inst;
4835 inst = shared_context.class_inst;
4837 shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
4840 inst = context->method_inst;
4842 inst = shared_context.method_inst;
4844 shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
4849 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4851 /* The result should be an inflated method whose parent is not inflated */
4852 g_assert (!res->klass->is_inflated);
4858 mini_get_shared_method (MonoMethod *method)
4860 return mini_get_shared_method_full (method, FALSE, FALSE);
4864 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4866 MonoGenericInst *inst;
4869 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4871 if (context && context->class_inst) {
4872 inst = context->class_inst;
4874 gsctx->var_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4876 gsctx->var_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4878 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4880 for (i = 0; i < inst->type_argc; ++i) {
4881 MonoType *type = inst->type_argv [i];
4883 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4884 gsctx->var_is_vt [i] = TRUE;
4887 if (context && context->method_inst) {
4888 inst = context->method_inst;
4890 gsctx->mvar_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4892 gsctx->mvar_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4894 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4896 for (i = 0; i < inst->type_argc; ++i) {
4897 MonoType *type = inst->type_argv [i];
4899 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4900 gsctx->mvar_is_vt [i] = TRUE;
4907 * mini_method_compile:
4908 * @method: the method to compile
4909 * @opts: the optimization flags to use
4910 * @domain: the domain where the method will be compiled in
4911 * @flags: compilation flags
4912 * @parts: debug flag
4914 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4915 * field in the returned struct to see if compilation succeded.
4918 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
4920 MonoMethodHeader *header;
4921 MonoMethodSignature *sig;
4925 int dfn, i, code_size_ratio;
4927 gboolean deadce_has_run = FALSE;
4929 gboolean try_generic_shared, try_llvm = FALSE;
4930 MonoMethod *method_to_compile, *method_to_register;
4931 gboolean method_is_gshared = FALSE;
4932 gboolean run_cctors = (flags & JIT_FLAG_RUN_CCTORS) ? 1 : 0;
4933 gboolean compile_aot = (flags & JIT_FLAG_AOT) ? 1 : 0;
4934 gboolean full_aot = (flags & JIT_FLAG_FULL_AOT) ? 1 : 0;
4936 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4937 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4938 mono_profiler_method_jit (method);
4939 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4940 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4944 * We might get passed the original generic method definition or
4945 * instances with type parameters.
4946 * FIXME: Remove the method->klass->generic_class limitation.
4948 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4949 (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)));
4951 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4952 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE);
4954 if (opts & MONO_OPT_GSHARED) {
4955 if (try_generic_shared)
4956 mono_stats.generics_sharable_methods++;
4957 else if (mono_method_is_generic_impl (method))
4958 mono_stats.generics_unsharable_methods++;
4961 if (mini_is_gsharedvt_sharable_method (method)) {
4962 if (!mono_debug_count ())
4963 try_generic_shared = FALSE;
4965 try_generic_shared = FALSE;
4968 if (is_gsharedvt_method (method) || (compile_aot && is_open_method (method))) {
4969 /* We are AOTing a gshared method directly */
4970 method_is_gshared = TRUE;
4971 g_assert (compile_aot);
4972 try_generic_shared = TRUE;
4976 try_llvm = mono_use_llvm;
4980 if (method_is_gshared) {
4981 method_to_compile = method;
4983 if (try_generic_shared) {
4984 method_to_compile = mini_get_shared_method (method);
4985 g_assert (method_to_compile);
4987 method_to_compile = method;
4991 cfg = g_new0 (MonoCompile, 1);
4992 cfg->method = method_to_compile;
4993 cfg->header = mono_method_get_header (cfg->method);
4994 cfg->mempool = mono_mempool_new ();
4996 cfg->prof_options = mono_profiler_get_events ();
4997 cfg->run_cctors = run_cctors;
4998 cfg->domain = domain;
4999 cfg->verbose_level = mini_verbose;
5000 cfg->compile_aot = compile_aot;
5001 cfg->full_aot = full_aot;
5002 cfg->skip_visibility = method->skip_visibility;
5003 cfg->orig_method = method;
5004 cfg->gen_seq_points = debug_options.gen_seq_points;
5005 cfg->explicit_null_checks = debug_options.explicit_null_checks;
5006 cfg->soft_breakpoints = debug_options.soft_breakpoints;
5007 cfg->check_pinvoke_callconv = debug_options.check_pinvoke_callconv;
5008 if (try_generic_shared)
5009 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
5010 cfg->compile_llvm = try_llvm;
5011 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
5013 if (cfg->gen_seq_points)
5014 cfg->seq_points = g_ptr_array_new ();
5016 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
5017 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
5021 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
5022 MonoMethodInflated *inflated;
5023 MonoGenericContext *context;
5025 if (method_is_gshared) {
5026 g_assert (method->is_inflated);
5027 inflated = (MonoMethodInflated*)method;
5028 context = &inflated->context;
5030 /* We are compiling a gsharedvt method directly */
5031 g_assert (compile_aot);
5033 g_assert (method_to_compile->is_inflated);
5034 inflated = (MonoMethodInflated*)method_to_compile;
5035 context = &inflated->context;
5038 mini_init_gsctx (NULL, cfg->mempool, context, &cfg->gsctx);
5039 cfg->gsctx_context = context;
5041 cfg->gsharedvt = TRUE;
5043 cfg->disable_llvm = TRUE;
5046 if (cfg->generic_sharing_context) {
5047 method_to_register = method_to_compile;
5049 g_assert (method == method_to_compile);
5050 method_to_register = method;
5052 cfg->method_to_register = method_to_register;
5054 mono_error_init (&err);
5055 sig = mono_method_signature_checked (cfg->method, &err);
5057 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
5058 cfg->exception_message = g_strdup (mono_error_get_message (&err));
5059 mono_error_cleanup (&err);
5060 if (MONO_METHOD_COMPILE_END_ENABLED ())
5061 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5065 header = cfg->header;
5067 MonoLoaderError *error;
5069 if ((error = mono_loader_get_last_error ())) {
5070 cfg->exception_type = error->exception_type;
5072 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
5073 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
5075 if (MONO_METHOD_COMPILE_END_ENABLED ())
5076 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5082 static gboolean inited;
5089 * Check for methods which cannot be compiled by LLVM early, to avoid
5090 * the extra compilation pass.
5092 if (COMPILE_LLVM (cfg)) {
5093 mono_llvm_check_method_supported (cfg);
5094 if (cfg->disable_llvm) {
5095 if (cfg->verbose_level >= 1) {
5096 //nm = mono_method_full_name (cfg->method, TRUE);
5097 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5100 mono_destroy_compile (cfg);
5102 goto restart_compile;
5108 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
5109 if (debug_options.mdb_optimizations) {
5110 cfg->disable_reuse_registers = TRUE;
5111 cfg->disable_reuse_stack_slots = TRUE;
5113 * This decreases the change the debugger will read registers/stack slots which are
5114 * not yet initialized.
5116 cfg->disable_initlocals_opt = TRUE;
5118 cfg->extend_live_ranges = TRUE;
5120 /* Temporarily disable this when running in the debugger until we have support
5121 * for this in the debugger. */
5122 /* This is no longer needed with sdb */
5123 //cfg->disable_omit_fp = TRUE;
5125 /* The debugger needs all locals to be on the stack or in a global register */
5126 cfg->disable_vreg_to_lvreg = TRUE;
5128 /* Don't remove unused variables when running inside the debugger since the user
5129 * may still want to view them. */
5130 cfg->disable_deadce_vars = TRUE;
5132 // cfg->opt |= MONO_OPT_SHARED;
5133 cfg->opt &= ~MONO_OPT_DEADCE;
5134 cfg->opt &= ~MONO_OPT_INLINE;
5135 cfg->opt &= ~MONO_OPT_COPYPROP;
5136 cfg->opt &= ~MONO_OPT_CONSPROP;
5137 /* This is no longer needed with sdb */
5138 //cfg->opt &= ~MONO_OPT_GSHARED;
5140 /* This is needed for the soft debugger, which doesn't like code after the epilog */
5141 cfg->disable_out_of_line_bblocks = TRUE;
5144 if (mono_using_xdebug) {
5146 * Make each variable use its own register/stack slot and extend
5147 * their liveness to cover the whole method, making them displayable
5148 * in gdb even after they are dead.
5150 cfg->disable_reuse_registers = TRUE;
5151 cfg->disable_reuse_stack_slots = TRUE;
5152 cfg->extend_live_ranges = TRUE;
5153 cfg->compute_precise_live_ranges = TRUE;
5156 mini_gc_init_cfg (cfg);
5158 if (COMPILE_LLVM (cfg)) {
5159 cfg->opt |= MONO_OPT_ABCREM;
5162 if (g_getenv ("MONO_VERBOSE_METHOD")) {
5163 const char *name = g_getenv ("MONO_VERBOSE_METHOD");
5165 if ((strchr (name, '.') > name) || strchr (name, ':')) {
5166 MonoMethodDesc *desc;
5168 desc = mono_method_desc_new (name, TRUE);
5169 if (mono_method_desc_full_match (desc, cfg->method)) {
5170 cfg->verbose_level = 4;
5172 mono_method_desc_free (desc);
5174 if (strcmp (cfg->method->name, g_getenv ("MONO_VERBOSE_METHOD")) == 0)
5175 cfg->verbose_level = 4;
5179 ip = (guint8 *)header->code;
5181 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
5183 if (cfg->verbose_level > 0) {
5186 method_name = mono_method_full_name (method, TRUE);
5187 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
5189 if (COMPILE_LLVM (cfg))
5190 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
5191 else if (cfg->gsharedvt)
5192 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5193 else if (cfg->generic_sharing_context)
5194 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5196 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
5198 g_free (method_name);
5201 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
5202 cfg->opt |= MONO_OPT_SSA;
5205 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")))
5206 cfg->globalra = TRUE;
5209 //cfg->globalra = TRUE;
5211 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
5212 // cfg->globalra = TRUE;
5215 static int count = 0;
5219 if (g_getenv ("COUNT2")) {
5220 cfg->globalra = TRUE;
5221 if (count == atoi (g_getenv ("COUNT2")))
5222 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
5223 if (count > atoi (g_getenv ("COUNT2")))
5224 cfg->globalra = FALSE;
5229 if (header->clauses)
5230 cfg->globalra = FALSE;
5232 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
5233 /* The code in the prolog clobbers caller saved registers */
5234 cfg->globalra = FALSE;
5236 // FIXME: Disable globalra in case of tracing/profiling
5238 if (cfg->method->save_lmf)
5239 /* The LMF saving code might clobber caller saved registers */
5240 cfg->globalra = FALSE;
5242 if (header->code_size > 5000)
5244 /* Too large bblocks could overflow the ins positions */
5245 cfg->globalra = FALSE;
5247 cfg->rs = mono_regstate_new ();
5249 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
5250 cfg->next_vreg = cfg->rs->next_vreg;
5252 /* FIXME: Fix SSA to handle branches inside bblocks */
5253 if (cfg->opt & MONO_OPT_SSA)
5254 cfg->enable_extended_bblocks = FALSE;
5257 * FIXME: This confuses liveness analysis because variables which are assigned after
5258 * a branch inside a bblock become part of the kill set, even though the assignment
5259 * might not get executed. This causes the optimize_initlocals pass to delete some
5260 * assignments which are needed.
5261 * Also, the mono_if_conversion pass needs to be modified to recognize the code
5264 //cfg->enable_extended_bblocks = TRUE;
5266 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
5267 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
5268 if (mini_get_debug_options ()->break_on_unverified)
5274 * create MonoInst* which represents arguments and local variables
5276 mono_compile_create_vars (cfg);
5278 /* SSAPRE is not supported on linear IR */
5279 cfg->opt &= ~MONO_OPT_SSAPRE;
5281 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
5284 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
5286 if (MONO_METHOD_COMPILE_END_ENABLED ())
5287 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5290 mono_destroy_compile (cfg);
5291 try_generic_shared = FALSE;
5292 goto restart_compile;
5294 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
5296 if (MONO_METHOD_COMPILE_END_ENABLED ())
5297 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5298 /* cfg contains the details of the failure, so let the caller cleanup */
5302 cfg->stat_basic_blocks += cfg->num_bblocks;
5304 if (COMPILE_LLVM (cfg)) {
5307 /* The IR has to be in SSA form for LLVM */
5308 cfg->opt |= MONO_OPT_SSA;
5312 // Allow SSA on the result value
5313 cfg->ret->flags &= ~MONO_INST_VOLATILE;
5315 // Add an explicit return instruction referencing the return value
5316 MONO_INST_NEW (cfg, ins, OP_SETRET);
5317 ins->sreg1 = cfg->ret->dreg;
5319 MONO_ADD_INS (cfg->bb_exit, ins);
5322 cfg->opt &= ~MONO_OPT_LINEARS;
5325 cfg->opt &= ~MONO_OPT_BRANCH;
5328 /* todo: remove code when we have verified that the liveness for try/catch blocks
5332 * Currently, this can't be commented out since exception blocks are not
5333 * processed during liveness analysis.
5334 * It is also needed, because otherwise the local optimization passes would
5335 * delete assignments in cases like this:
5337 * <something which throws>
5339 * This also allows SSA to be run on methods containing exception clauses, since
5340 * SSA will ignore variables marked VOLATILE.
5342 mono_liveness_handle_exception_clauses (cfg);
5344 mono_handle_out_of_line_bblock (cfg);
5346 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
5348 if (!COMPILE_LLVM (cfg))
5349 mono_decompose_long_opts (cfg);
5351 /* Should be done before branch opts */
5352 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
5353 mono_local_cprop (cfg);
5355 if (cfg->opt & MONO_OPT_BRANCH)
5356 mono_optimize_branches (cfg);
5358 /* This must be done _before_ global reg alloc and _after_ decompose */
5359 mono_handle_global_vregs (cfg);
5360 if (cfg->opt & MONO_OPT_DEADCE)
5361 mono_local_deadce (cfg);
5362 if (cfg->opt & MONO_OPT_ALIAS_ANALYSIS)
5363 mono_local_alias_analysis (cfg);
5364 /* Disable this for LLVM to make the IR easier to handle */
5365 if (!COMPILE_LLVM (cfg))
5366 mono_if_conversion (cfg);
5368 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
5369 mono_remove_critical_edges (cfg);
5371 /* Depth-first ordering on basic blocks */
5372 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5374 cfg->max_block_num = cfg->num_bblocks;
5377 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5378 if (cfg->num_bblocks != dfn + 1) {
5381 cfg->num_bblocks = dfn + 1;
5383 /* remove unreachable code, because the code in them may be
5384 * inconsistent (access to dead variables for example) */
5385 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5386 bb->flags &= ~BB_VISITED;
5387 compute_reachable (cfg->bb_entry);
5388 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5389 if (bb->flags & BB_EXCEPTION_HANDLER)
5390 compute_reachable (bb);
5391 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5392 if (!(bb->flags & BB_VISITED)) {
5393 if (cfg->verbose_level > 1)
5394 g_print ("found unreachable code in BB%d\n", bb->block_num);
5395 bb->code = bb->last_ins = NULL;
5396 while (bb->out_count)
5397 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
5400 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5401 bb->flags &= ~BB_VISITED;
5404 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
5406 * we disable some optimizations if there are too many variables
5407 * because JIT time may become too expensive. The actual number needs
5408 * to be tweaked and eventually the non-linear algorithms should be fixed.
5410 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
5411 cfg->disable_ssa = TRUE;
5414 if (cfg->opt & MONO_OPT_LOOP) {
5415 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
5416 mono_compute_natural_loops (cfg);
5419 /* after method_to_ir */
5421 if (MONO_METHOD_COMPILE_END_ENABLED ())
5422 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5427 if (header->num_clauses)
5428 cfg->disable_ssa = TRUE;
5431 //#define DEBUGSSA "logic_run"
5432 #define DEBUGSSA_CLASS "Tests"
5435 if (!cfg->disable_ssa) {
5436 mono_local_cprop (cfg);
5439 mono_ssa_compute (cfg);
5443 if (cfg->opt & MONO_OPT_SSA) {
5444 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
5446 mono_ssa_compute (cfg);
5449 if (cfg->verbose_level >= 2) {
5456 /* after SSA translation */
5458 if (MONO_METHOD_COMPILE_END_ENABLED ())
5459 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5463 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
5464 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5466 mono_ssa_cprop (cfg);
5472 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5473 //mono_ssa_strength_reduction (cfg);
5475 if (cfg->opt & MONO_OPT_SSAPRE) {
5476 mono_perform_ssapre (cfg);
5477 //mono_local_cprop (cfg);
5480 if (cfg->opt & MONO_OPT_DEADCE) {
5481 mono_ssa_deadce (cfg);
5482 deadce_has_run = TRUE;
5485 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5486 mono_perform_abc_removal (cfg);
5488 mono_ssa_remove (cfg);
5489 mono_local_cprop (cfg);
5490 mono_handle_global_vregs (cfg);
5491 if (cfg->opt & MONO_OPT_DEADCE)
5492 mono_local_deadce (cfg);
5494 if (cfg->opt & MONO_OPT_BRANCH) {
5497 mono_optimize_branches (cfg);
5499 /* Have to recompute cfg->bblocks and bb->dfn */
5500 if (cfg->globalra) {
5501 mono_remove_critical_edges (cfg);
5503 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5506 /* Depth-first ordering on basic blocks */
5507 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5510 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5511 cfg->num_bblocks = dfn + 1;
5517 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5518 mono_ssa_loop_invariant_code_motion (cfg);
5519 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
5520 if (cfg->opt & MONO_OPT_ABCREM)
5521 mono_perform_abc_removal (cfg);
5524 /* after SSA removal */
5526 if (MONO_METHOD_COMPILE_END_ENABLED ())
5527 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5531 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
5532 if (COMPILE_SOFT_FLOAT (cfg))
5533 mono_decompose_soft_float (cfg);
5535 if (COMPILE_LLVM (cfg))
5536 mono_decompose_vtype_opts_llvm (cfg);
5538 mono_decompose_vtype_opts (cfg);
5539 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5540 mono_decompose_array_access_opts (cfg);
5543 #ifndef MONO_ARCH_GOT_REG
5548 g_assert (cfg->got_var_allocated);
5551 * Allways allocate the GOT var to a register, because keeping it
5552 * in memory will increase the number of live temporaries in some
5553 * code created by inssel.brg, leading to the well known spills+
5554 * branches problem. Testcase: mcs crash in
5555 * System.MonoCustomAttrs:GetCustomAttributes.
5557 #ifdef MONO_ARCH_GOT_REG
5558 got_reg = MONO_ARCH_GOT_REG;
5560 regs = mono_arch_get_global_int_regs (cfg);
5562 got_reg = GPOINTER_TO_INT (regs->data);
5565 cfg->got_var->opcode = OP_REGVAR;
5566 cfg->got_var->dreg = got_reg;
5567 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5571 * Have to call this again to process variables added since the first call.
5573 mono_liveness_handle_exception_clauses (cfg);
5575 if (cfg->globalra) {
5578 /* Have to do this before regalloc since it can create vregs */
5579 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5580 mono_arch_lowering_pass (cfg, bb);
5582 mono_global_regalloc (cfg);
5585 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5586 GList *vars, *regs, *l;
5588 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5589 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5590 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5591 mono_analyze_liveness (cfg);
5593 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5594 regs = mono_arch_get_global_int_regs (cfg);
5595 /* Remove the reg reserved for holding the GOT address */
5597 for (l = regs; l; l = l->next) {
5598 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5599 regs = g_list_delete_link (regs, l);
5604 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5608 //mono_print_code (cfg, "");
5612 /* variables are allocated after decompose, since decompose could create temps */
5613 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5614 mono_arch_allocate_vars (cfg);
5615 if (cfg->exception_type)
5621 gboolean need_local_opts;
5623 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5624 mono_spill_global_vars (cfg, &need_local_opts);
5626 if (need_local_opts || cfg->compile_aot) {
5627 /* To optimize code created by spill_global_vars */
5628 mono_local_cprop (cfg);
5629 if (cfg->opt & MONO_OPT_DEADCE)
5630 mono_local_deadce (cfg);
5634 /* Add branches between non-consecutive bblocks */
5635 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5636 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5637 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5638 /* we are careful when inverting, since bugs like #59580
5639 * could show up when dealing with NaNs.
5641 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5642 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5643 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5644 bb->last_ins->inst_false_bb = tmp;
5646 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5648 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5649 inst->opcode = OP_BR;
5650 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5651 mono_bblock_add_inst (bb, inst);
5656 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5657 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5658 MonoInst *tree = bb->code;
5659 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5662 for (; tree; tree = tree->next) {
5663 mono_print_ins_index (-1, tree);
5669 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5670 bb->max_vreg = cfg->next_vreg;
5674 if (COMPILE_LLVM (cfg)) {
5678 /* The IR has to be in SSA form for LLVM */
5679 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5680 cfg->exception_message = g_strdup ("SSA disabled.");
5681 cfg->disable_llvm = TRUE;
5684 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5685 mono_decompose_array_access_opts (cfg);
5687 if (!cfg->disable_llvm)
5688 mono_llvm_emit_method (cfg);
5689 if (cfg->disable_llvm) {
5690 if (cfg->verbose_level >= 1) {
5691 //nm = mono_method_full_name (cfg->method, TRUE);
5692 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5695 mono_destroy_compile (cfg);
5697 goto restart_compile;
5700 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5701 nm = mono_method_full_name (cfg->method, TRUE);
5702 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5704 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5712 if (COMPILE_LLVM (cfg))
5713 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5715 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5717 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5719 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5720 if (cfg->extend_live_ranges) {
5721 /* Extend live ranges to cover the whole method */
5722 for (i = 0; i < cfg->num_varinfo; ++i)
5723 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5727 if (!cfg->compile_aot)
5728 mono_save_xdebug_info (cfg);
5730 mini_gc_create_gc_map (cfg);
5732 mono_save_seq_point_info (cfg);
5734 if (cfg->verbose_level >= 2) {
5735 char *id = mono_method_full_name (cfg->method, FALSE);
5736 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5740 if (!cfg->compile_aot) {
5741 mono_domain_lock (cfg->domain);
5742 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5744 if (cfg->method->dynamic)
5745 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5746 mono_domain_unlock (cfg->domain);
5751 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5754 /* collect statistics */
5755 #ifndef DISABLE_PERFCOUNTERS
5756 mono_perfcounters->jit_methods++;
5757 mono_perfcounters->jit_bytes += header->code_size;
5759 mono_jit_stats.allocated_code_size += cfg->code_len;
5760 code_size_ratio = cfg->code_len;
5761 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5762 mono_jit_stats.biggest_method_size = code_size_ratio;
5763 g_free (mono_jit_stats.biggest_method);
5764 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5766 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5767 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5768 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5769 g_free (mono_jit_stats.max_ratio_method);
5770 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5772 mono_jit_stats.native_code_size += cfg->code_len;
5774 if (MONO_METHOD_COMPILE_END_ENABLED ())
5775 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5783 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
5785 g_assert_not_reached ();
5789 #endif /* DISABLE_JIT */
5792 * LOCKING: Acquires the jit code hash lock.
5795 lookup_method_inner (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
5798 static gboolean inited = FALSE;
5799 static int lookups = 0;
5800 static int failed_lookups = 0;
5802 mono_domain_jit_code_hash_lock (domain);
5803 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5804 if (!ji && shared) {
5805 /* Try generic sharing */
5806 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
5807 if (ji && !ji->has_generic_jit_info)
5810 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5811 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5819 mono_domain_jit_code_hash_unlock (domain);
5825 lookup_method (MonoDomain *domain, MonoMethod *method)
5830 ji = lookup_method_inner (domain, method, NULL);
5833 if (!mono_method_is_generic_sharable (method, FALSE))
5835 shared = mini_get_shared_method (method);
5836 ji = lookup_method_inner (domain, method, shared);
5843 static FILE* perf_map_file;
5846 mono_enable_jit_map (void)
5848 if (!perf_map_file) {
5850 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5852 perf_map_file = fopen (name, "w");
5857 mono_emit_jit_tramp (void *start, int size, const char *desc)
5860 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5864 mono_emit_jit_map (MonoJitInfo *jinfo)
5866 if (perf_map_file) {
5867 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
5868 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5874 mono_jit_map_is_enabled (void)
5876 return perf_map_file != NULL;
5882 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5885 gpointer code = NULL;
5886 MonoJitInfo *jinfo, *info;
5888 MonoException *ex = NULL;
5889 guint32 prof_options;
5891 MonoMethod *prof_method, *shared;
5893 #ifdef MONO_USE_AOT_COMPILER
5894 if (opt & MONO_OPT_AOT) {
5895 MonoDomain *domain = mono_domain_get ();
5897 mono_class_init (method->klass);
5899 if ((code = mono_aot_get_method (domain, method))) {
5900 vtable = mono_class_vtable (domain, method->klass);
5902 mono_runtime_class_init (vtable);
5909 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5910 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5912 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5914 if (!piinfo->addr) {
5915 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5916 piinfo->addr = mono_lookup_internal_call (method);
5917 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5919 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);
5921 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);
5924 mono_lookup_pinvoke_call (method, NULL, NULL);
5926 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, mono_aot_only);
5927 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5928 jinfo = mono_jit_info_table_find (target_domain, code);
5930 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5932 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5934 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5935 const char *name = method->name;
5936 char *full_name, *msg;
5939 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5940 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5941 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5944 * We need to make sure this wrapper
5945 * is compiled because it might end up
5946 * in an (M)RGCTX if generic sharing
5947 * is enabled, and would be called
5948 * indirectly. If it were a
5949 * trampoline we'd try to patch that
5950 * indirect call, which is not
5953 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5954 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5955 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5956 return mono_create_delegate_trampoline (target_domain, method->klass);
5958 nm = mono_marshal_get_delegate_invoke (method, NULL);
5959 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5961 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5962 nm = mono_marshal_get_delegate_begin_invoke (method);
5963 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5964 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5965 nm = mono_marshal_get_delegate_end_invoke (method);
5966 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5970 full_name = mono_method_full_name (method, TRUE);
5971 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5972 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5978 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5979 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5981 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5982 static MonoTrampInfo *in_tinfo, *out_tinfo;
5983 MonoTrampInfo *tinfo;
5985 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5987 if (is_in && in_tinfo)
5988 return in_tinfo->code;
5989 else if (!is_in && out_tinfo)
5990 return out_tinfo->code;
5993 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5995 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5998 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
6000 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
6001 jinfo = create_jit_info_for_trampoline (method, tinfo);
6002 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
6011 if (mono_aot_only) {
6012 char *fullname = mono_method_full_name (method, TRUE);
6013 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);
6015 *jit_ex = mono_get_exception_execution_engine (msg);
6022 jit_timer = g_timer_new ();
6024 cfg = mini_method_compile (method, opt, target_domain, JIT_FLAG_RUN_CCTORS, 0);
6025 prof_method = cfg->method;
6027 g_timer_stop (jit_timer);
6028 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
6029 g_timer_destroy (jit_timer);
6031 switch (cfg->exception_type) {
6032 case MONO_EXCEPTION_NONE:
6034 case MONO_EXCEPTION_TYPE_LOAD:
6035 case MONO_EXCEPTION_MISSING_FIELD:
6036 case MONO_EXCEPTION_MISSING_METHOD:
6037 case MONO_EXCEPTION_FILE_NOT_FOUND:
6038 case MONO_EXCEPTION_BAD_IMAGE: {
6039 /* Throw a type load exception if needed */
6040 MonoLoaderError *error = mono_loader_get_last_error ();
6043 ex = mono_loader_error_prepare_exception (error);
6045 if (cfg->exception_ptr) {
6046 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
6048 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
6049 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
6050 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
6051 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
6052 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
6053 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
6054 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
6055 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
6056 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
6057 ex = mono_get_exception_bad_image_format (cfg->exception_message);
6059 g_assert_not_reached ();
6064 case MONO_EXCEPTION_INVALID_PROGRAM:
6065 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
6067 case MONO_EXCEPTION_UNVERIFIABLE_IL:
6068 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
6070 case MONO_EXCEPTION_METHOD_ACCESS:
6071 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
6073 case MONO_EXCEPTION_FIELD_ACCESS:
6074 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
6076 #ifndef DISABLE_SECURITY
6077 /* this can only be set if the security manager is active */
6078 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
6079 MonoSecurityManager* secman = mono_security_manager_get_methods ();
6080 MonoObject *exc = NULL;
6083 args [0] = &cfg->exception_data;
6085 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
6087 ex = (MonoException*)exc;
6091 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
6092 MonoException *exp = cfg->exception_ptr;
6093 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
6098 case MONO_EXCEPTION_OUT_OF_MEMORY:
6099 ex = mono_domain_get ()->out_of_memory_ex;
6102 g_assert_not_reached ();
6106 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
6107 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
6109 mono_destroy_compile (cfg);
6115 if (mono_method_is_generic_sharable (method, FALSE))
6116 shared = mini_get_shared_method (method);
6120 mono_domain_lock (target_domain);
6122 /* Check if some other thread already did the job. In this case, we can
6123 discard the code this thread generated. */
6125 info = lookup_method_inner (target_domain, method, shared);
6127 /* We can't use a domain specific method in another domain */
6128 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
6129 code = info->code_start;
6130 // printf("Discarding code for method %s\n", method->name);
6134 /* The lookup + insert is atomic since this is done inside the domain lock */
6135 mono_domain_jit_code_hash_lock (target_domain);
6136 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->d.method, cfg->jit_info);
6137 mono_domain_jit_code_hash_unlock (target_domain);
6139 code = cfg->native_code;
6141 if (cfg->generic_sharing_context && mono_method_is_generic_sharable (method, FALSE))
6142 mono_stats.generics_shared_methods++;
6144 mono_stats.gsharedvt_methods++;
6147 jinfo = cfg->jit_info;
6149 prof_options = cfg->prof_options;
6152 * Update global stats while holding a lock, instead of doing many
6153 * InterlockedIncrement operations during JITting.
6155 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
6156 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
6157 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
6158 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
6159 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
6160 mono_jit_stats.regvars += cfg->stat_n_regvars;
6161 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
6162 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
6163 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
6164 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
6166 mono_destroy_compile (cfg);
6169 if (domain_jit_info (target_domain)->jump_target_hash) {
6170 MonoJumpInfo patch_info;
6171 MonoJumpList *jlist;
6173 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
6175 patch_info.next = NULL;
6176 patch_info.ip.i = 0;
6177 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
6178 patch_info.data.method = method;
6179 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
6181 #if defined(__native_client_codegen__) && defined(__native_client__)
6182 /* These patches are applied after a method has been installed, no target munging is needed. */
6183 nacl_allow_target_modification (FALSE);
6185 for (tmp = jlist->list; tmp; tmp = tmp->next)
6186 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
6187 #if defined(__native_client_codegen__) && defined(__native_client__)
6188 nacl_allow_target_modification (TRUE);
6193 mono_emit_jit_map (jinfo);
6195 mono_domain_unlock (target_domain);
6197 vtable = mono_class_vtable (target_domain, method->klass);
6199 ex = mono_class_get_exception_for_failure (method->klass);
6205 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
6206 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
6207 if (mono_marshal_method_from_wrapper (method)) {
6208 /* Native func wrappers have no method */
6209 /* The profiler doesn't know about wrappers, so pass the original icall method */
6210 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
6213 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
6214 if (prof_method != method) {
6215 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
6219 ex = mono_runtime_class_init_full (vtable, FALSE);
6228 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
6230 MonoDomain *target_domain, *domain = mono_domain_get ();
6234 MonoJitICallInfo *callinfo = NULL;
6235 WrapperInfo *winfo = NULL;
6238 * ICALL wrappers are handled specially, since there is only one copy of them
6239 * shared by all appdomains.
6241 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
6242 winfo = mono_marshal_get_wrapper_info (method);
6243 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
6244 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
6245 g_assert (callinfo);
6247 /* Must be domain neutral since there is only one copy */
6248 opt |= MONO_OPT_SHARED;
6251 if (method->dynamic)
6252 opt &= ~MONO_OPT_SHARED;
6254 /* These methods can become invalid when a domain is unloaded */
6255 if (method->klass->image != mono_get_corlib () || method->is_inflated)
6256 opt &= ~MONO_OPT_SHARED;
6258 if (opt & MONO_OPT_SHARED)
6259 target_domain = mono_get_root_domain ();
6261 target_domain = domain;
6263 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
6264 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
6267 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
6268 MonoGenericContext *ctx = NULL;
6269 if (method->is_inflated)
6270 ctx = mono_method_get_context (method);
6271 method = info->d.synchronized_inner.method;
6273 method = mono_class_inflate_generic_method (method, ctx);
6277 info = lookup_method (target_domain, method);
6279 /* We can't use a domain specific method in another domain */
6280 if (! ((domain != target_domain) && !info->domain_neutral)) {
6282 MonoException *tmpEx;
6284 mono_jit_stats.methods_lookups++;
6285 vtable = mono_class_vtable (domain, method->klass);
6287 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
6292 return mono_create_ftnptr (target_domain, info->code_start);
6296 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
6300 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
6304 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
6306 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
6310 p = mono_create_ftnptr (target_domain, code);
6313 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
6314 mono_loader_lock ();
6316 if (!callinfo->wrapper) {
6317 callinfo->wrapper = p;
6318 mono_register_jit_icall_wrapper (callinfo, p);
6321 mono_loader_unlock ();
6328 mono_jit_compile_method (MonoMethod *method)
6330 MonoException *ex = NULL;
6333 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
6336 mono_raise_exception (ex);
6342 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6344 invalidated_delegate_trampoline (char *desc)
6346 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
6347 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
6353 * mono_jit_free_method:
6355 * Free all memory allocated by the JIT for METHOD.
6358 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
6360 MonoJitDynamicMethodInfo *ji;
6361 gboolean destroy = TRUE;
6362 GHashTableIter iter;
6363 MonoJumpList *jlist;
6365 g_assert (method->dynamic);
6367 mono_domain_lock (domain);
6368 ji = mono_dynamic_code_hash_lookup (domain, method);
6369 mono_domain_unlock (domain);
6374 mono_debug_remove_method (method, domain);
6376 mono_domain_lock (domain);
6377 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
6378 mono_domain_jit_code_hash_lock (domain);
6379 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
6380 mono_domain_jit_code_hash_unlock (domain);
6381 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
6382 mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
6384 /* Remove jump targets in this method */
6385 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
6386 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
6387 GSList *tmp, *remove;
6390 for (tmp = jlist->list; tmp; tmp = tmp->next) {
6391 guint8 *ip = tmp->data;
6393 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
6394 remove = g_slist_prepend (remove, tmp);
6396 for (tmp = remove; tmp; tmp = tmp->next) {
6397 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
6399 g_slist_free (remove);
6402 mono_domain_unlock (domain);
6404 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6405 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
6407 * Instead of freeing the code, change it to call an error routine
6408 * so people can fix their code.
6410 char *type = mono_type_full_name (&method->klass->byval_arg);
6411 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
6414 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
6420 * This needs to be done before freeing code_mp, since the code address is the
6421 * key in the table, so if we free the code_mp first, another thread can grab the
6422 * same code address and replace our entry in the table.
6424 mono_jit_info_table_remove (domain, ji->ji);
6427 mono_code_manager_destroy (ji->code_mp);
6432 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
6434 MonoDomain *target_domain;
6437 if (default_opt & MONO_OPT_SHARED)
6438 target_domain = mono_get_root_domain ();
6440 target_domain = domain;
6442 info = lookup_method (target_domain, method);
6444 /* We can't use a domain specific method in another domain */
6445 if (! ((domain != target_domain) && !info->domain_neutral)) {
6446 mono_jit_stats.methods_lookups++;
6449 return info->code_start;
6458 gboolean mono_do_single_method_regression = FALSE;
6459 guint32 mono_single_method_regression_opt = 0;
6460 MonoMethod *mono_current_single_method;
6461 GSList *mono_single_method_list;
6462 GHashTable *mono_single_method_hash;
6465 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
6469 if (!mono_do_single_method_regression)
6471 if (!mono_current_single_method) {
6472 if (!mono_single_method_hash)
6473 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
6474 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
6475 g_hash_table_insert (mono_single_method_hash, method, method);
6476 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
6480 if (method == mono_current_single_method)
6481 return mono_single_method_regression_opt;
6486 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
6488 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
6493 gpointer compiled_method;
6494 gpointer runtime_invoke;
6496 MonoDynCallInfo *dyn_call_info;
6497 MonoClass *ret_box_class;
6498 } RuntimeInvokeInfo;
6501 * mono_jit_runtime_invoke:
6502 * @method: the method to invoke
6503 * @obj: this pointer
6504 * @params: array of parameter values.
6505 * @exc: used to catch exceptions objects
6508 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
6510 MonoMethod *invoke, *callee;
6511 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
6512 MonoDomain *domain = mono_domain_get ();
6513 MonoJitDomainInfo *domain_info;
6514 RuntimeInvokeInfo *info, *info2;
6516 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6517 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6521 domain_info = domain_jit_info (domain);
6523 info = mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
6526 if (mono_security_core_clr_enabled ()) {
6528 * This might be redundant since mono_class_vtable () already does this,
6529 * but keep it just in case for moonlight.
6531 mono_class_setup_vtable (method->klass);
6532 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6534 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6536 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6541 info = g_new0 (RuntimeInvokeInfo, 1);
6543 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6544 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6545 g_assert (info->vtable);
6548 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6549 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6551 * Array Get/Set/Address methods. The JIT implements them using inline code
6552 * inside the runtime invoke wrappers, so no need to compile them.
6554 if (mono_aot_only) {
6556 * Call a wrapper, since the runtime invoke wrapper was not generated.
6558 MonoMethod *wrapper;
6560 wrapper = mono_marshal_get_array_accessor_wrapper (method);
6561 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
6569 MonoException *jit_ex = NULL;
6571 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
6572 if (!info->compiled_method) {
6576 *exc = (MonoObject*)jit_ex;
6579 mono_raise_exception (jit_ex);
6583 info->compiled_method = mini_add_method_trampoline (NULL, callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, FALSE), FALSE);
6585 info->compiled_method = NULL;
6589 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6590 * in full-aot mode, so we use a slower, but more generic wrapper if
6591 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6593 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6594 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6596 MonoMethodSignature *sig = mono_method_signature (method);
6597 gboolean supported = TRUE;
6600 if (method->string_ctor)
6601 sig = mono_marshal_get_string_ctor_signature (method);
6603 for (i = 0; i < sig->param_count; ++i) {
6604 MonoType *t = sig->params [i];
6606 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6610 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
6614 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6616 ret_type = sig->ret;
6617 if (info->dyn_call_info) {
6618 switch (ret_type->type) {
6619 case MONO_TYPE_VOID:
6631 case MONO_TYPE_BOOLEAN:
6632 case MONO_TYPE_CHAR:
6635 info->ret_box_class = mono_class_from_mono_type (ret_type);
6638 info->ret_box_class = mono_defaults.int_class;
6640 case MONO_TYPE_STRING:
6641 case MONO_TYPE_CLASS:
6642 case MONO_TYPE_ARRAY:
6643 case MONO_TYPE_SZARRAY:
6644 case MONO_TYPE_OBJECT:
6646 case MONO_TYPE_GENERICINST:
6647 if (!MONO_TYPE_IS_REFERENCE (ret_type))
6648 info->ret_box_class = mono_class_from_mono_type (ret_type);
6650 case MONO_TYPE_VALUETYPE:
6651 info->ret_box_class = mono_class_from_mono_type (ret_type);
6654 g_assert_not_reached ();
6661 if (!info->dyn_call_info)
6662 info->runtime_invoke = mono_jit_compile_method (invoke);
6664 info2 = mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
6671 runtime_invoke = info->runtime_invoke;
6674 * We need this here because mono_marshal_get_runtime_invoke can place
6675 * the helper method in System.Object and not the target class.
6678 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6682 mono_runtime_class_init (info->vtable);
6685 /* The wrappers expect this to be initialized to NULL */
6689 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6690 if (info->dyn_call_info) {
6691 MonoMethodSignature *sig = mono_method_signature (method);
6693 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6696 guint8 retval [128];
6698 if (!dyn_runtime_invoke) {
6699 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6700 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6703 /* Convert the arguments to the format expected by start_dyn_call () */
6704 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6707 args [pindex ++] = &obj;
6708 for (i = 0; i < sig->param_count; ++i) {
6709 MonoType *t = sig->params [i];
6712 args [pindex ++] = ¶ms [i];
6713 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6714 args [pindex ++] = ¶ms [i];
6716 args [pindex ++] = params [i];
6720 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6722 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6724 dyn_runtime_invoke (buf, exc, info->compiled_method);
6726 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6728 if (info->ret_box_class)
6729 return mono_value_box (domain, info->ret_box_class, retval);
6731 return *(MonoObject**)retval;
6735 return runtime_invoke (obj, params, exc, info->compiled_method);
6738 SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
6740 MonoException *exc = NULL;
6742 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
6747 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6749 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6750 if (mono_arch_is_int_overflow (ctx, info))
6752 * The spec says this throws ArithmeticException, but MS throws the derived
6753 * OverflowException.
6755 exc = mono_get_exception_overflow ();
6757 exc = mono_get_exception_divide_by_zero ();
6759 exc = mono_get_exception_divide_by_zero ();
6763 if (!mono_do_crash_chaining && mono_chain_signal (SIG_HANDLER_PARAMS))
6766 mono_handle_native_sigsegv (SIGSEGV, ctx);
6767 if (mono_do_crash_chaining)
6768 mono_chain_signal (SIG_HANDLER_PARAMS);
6771 mono_arch_handle_exception (ctx, exc);
6774 SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
6779 exc = mono_get_exception_execution_engine ("SIGILL");
6781 mono_arch_handle_exception (ctx, exc);
6784 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6785 #define HAVE_SIG_INFO
6788 SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
6791 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6792 gpointer fault_addr = NULL;
6796 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6797 if (mono_arch_is_single_step_event (info, ctx)) {
6798 mono_debugger_agent_single_step_event (ctx);
6800 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6801 mono_debugger_agent_breakpoint_hit (ctx);
6806 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6807 fault_addr = info->si_addr;
6808 if (mono_aot_is_pagefault (info->si_addr)) {
6809 mono_aot_handle_pagefault (info->si_addr);
6814 /* The thread might no be registered with the runtime */
6815 if (!mono_domain_get () || !jit_tls) {
6816 if (!mono_do_crash_chaining && mono_chain_signal (SIG_HANDLER_PARAMS))
6818 mono_handle_native_sigsegv (SIGSEGV, ctx);
6819 if (mono_do_crash_chaining)
6820 mono_chain_signal (SIG_HANDLER_PARAMS);
6823 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6825 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6826 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6829 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6830 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6831 fault_addr = info->si_addr;
6832 if (fault_addr == NULL) {
6835 mono_arch_sigctx_to_monoctx (ctx, &mctx);
6837 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6841 if (jit_tls->stack_size &&
6842 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6844 * The hard-guard page has been hit: there is not much we can do anymore
6845 * Print a hopefully clear message and abort.
6847 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6848 g_assert_not_reached ();
6850 /* The original handler might not like that it is executed on an altstack... */
6851 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
6854 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6859 if (!mono_do_crash_chaining && mono_chain_signal (SIG_HANDLER_PARAMS))
6862 mono_handle_native_sigsegv (SIGSEGV, ctx);
6864 if (mono_do_crash_chaining)
6865 mono_chain_signal (SIG_HANDLER_PARAMS);
6868 mono_arch_handle_exception (ctx, NULL);
6872 SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
6877 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6879 mono_arch_handle_exception (ctx, exc);
6882 #ifndef DISABLE_REMOTING
6883 /* mono_jit_create_remoting_trampoline:
6884 * @method: pointer to the method info
6886 * Creates a trampoline which calls the remoting functions. This
6887 * is used in the vtable of transparent proxies.
6889 * Returns: a pointer to the newly created code
6892 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6895 guint8 *addr = NULL;
6897 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6898 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6902 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6903 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
6904 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6905 addr = mono_compile_method (nm);
6908 addr = mono_compile_method (method);
6910 return mono_get_addr_from_ftnptr (addr);
6914 static gpointer *vtable_trampolines;
6915 static int vtable_trampolines_size;
6918 mini_get_vtable_trampoline (int slot_index)
6920 int index = slot_index + MONO_IMT_SIZE;
6922 g_assert (slot_index >= - MONO_IMT_SIZE);
6923 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6925 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6929 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6930 while (new_size <= index)
6932 new_table = g_new0 (gpointer, new_size);
6934 if (vtable_trampolines)
6935 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6936 g_free (vtable_trampolines);
6937 mono_memory_barrier ();
6938 vtable_trampolines = new_table;
6939 vtable_trampolines_size = new_size;
6944 if (!vtable_trampolines [index])
6945 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6946 return vtable_trampolines [index];
6950 mini_get_imt_trampoline (int slot_index)
6952 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6956 mini_parse_debug_options (void)
6958 const char *options = g_getenv ("MONO_DEBUG");
6959 gchar **args, **ptr;
6964 args = g_strsplit (options, ",", -1);
6966 for (ptr = args; ptr && *ptr; ptr++) {
6967 const char *arg = *ptr;
6969 if (!strcmp (arg, "handle-sigint"))
6970 debug_options.handle_sigint = TRUE;
6971 else if (!strcmp (arg, "keep-delegates"))
6972 debug_options.keep_delegates = TRUE;
6973 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6974 debug_options.reverse_pinvoke_exceptions = TRUE;
6975 else if (!strcmp (arg, "collect-pagefault-stats"))
6976 debug_options.collect_pagefault_stats = TRUE;
6977 else if (!strcmp (arg, "break-on-unverified"))
6978 debug_options.break_on_unverified = TRUE;
6979 else if (!strcmp (arg, "no-gdb-backtrace"))
6980 debug_options.no_gdb_backtrace = TRUE;
6981 else if (!strcmp (arg, "suspend-on-sigsegv"))
6982 debug_options.suspend_on_sigsegv = TRUE;
6983 else if (!strcmp (arg, "suspend-on-exception"))
6984 debug_options.suspend_on_exception = TRUE;
6985 else if (!strcmp (arg, "suspend-on-unhandled"))
6986 debug_options.suspend_on_unhandled = TRUE;
6987 else if (!strcmp (arg, "dont-free-domains"))
6988 mono_dont_free_domains = TRUE;
6989 else if (!strcmp (arg, "dyn-runtime-invoke"))
6990 debug_options.dyn_runtime_invoke = TRUE;
6991 else if (!strcmp (arg, "gdb"))
6992 debug_options.gdb = TRUE;
6993 else if (!strcmp (arg, "explicit-null-checks"))
6994 debug_options.explicit_null_checks = TRUE;
6995 else if (!strcmp (arg, "gen-seq-points"))
6996 debug_options.gen_seq_points = TRUE;
6997 else if (!strcmp (arg, "init-stacks"))
6998 debug_options.init_stacks = TRUE;
6999 else if (!strcmp (arg, "casts"))
7000 debug_options.better_cast_details = TRUE;
7001 else if (!strcmp (arg, "soft-breakpoints"))
7002 debug_options.soft_breakpoints = TRUE;
7003 else if (!strcmp (arg, "check-pinvoke-callconv"))
7004 debug_options.check_pinvoke_callconv = TRUE;
7005 else if (!strcmp (arg, "debug-domain-unload"))
7006 mono_enable_debug_domain_unload (TRUE);
7008 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
7009 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-exception', 'suspend-on-unhandled', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks', 'check-pinvoke-callconv', 'debug-domain-unload'\n");
7018 mini_get_debug_options (void)
7020 return &debug_options;
7024 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
7026 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
7030 gpointer* desc = NULL;
7032 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
7035 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
7039 # elif defined(__ppc64__) || defined(__powerpc64__)
7041 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
7047 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
7053 mini_get_addr_from_ftnptr (gpointer descr)
7055 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
7056 return *(gpointer*)descr;
7063 register_jit_stats (void)
7065 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
7066 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
7067 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
7068 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
7069 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
7070 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
7071 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
7072 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
7073 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
7074 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
7075 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
7076 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
7077 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
7078 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
7079 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
7080 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
7081 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
7082 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
7083 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
7084 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
7085 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
7088 static void runtime_invoke_info_free (gpointer value);
7089 static void seq_point_info_free (gpointer value);
7092 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
7094 const MonoClassMethodPair *apair = ka;
7095 const MonoClassMethodPair *bpair = kb;
7097 return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
7101 class_method_pair_hash (gconstpointer data)
7103 const MonoClassMethodPair *pair = data;
7105 return (gsize)pair->klass ^ (gsize)pair->method;
7109 mini_create_jit_domain_info (MonoDomain *domain)
7111 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
7113 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7114 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7115 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7116 info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
7117 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7118 info->runtime_invoke_hash = mono_conc_hashtable_new_full (&domain->lock, mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
7119 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, seq_point_info_free);
7120 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
7121 info->jump_target_hash = g_hash_table_new (NULL, NULL);
7123 domain->runtime_info = info;
7127 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
7129 MonoJumpList *jlist = value;
7130 g_slist_free (jlist->list);
7134 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
7136 GSList *list = value;
7137 g_slist_free (list);
7141 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
7143 MonoJitDynamicMethodInfo *di = value;
7144 mono_code_manager_destroy (di->code_mp);
7149 runtime_invoke_info_free (gpointer value)
7151 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
7153 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
7154 if (info->dyn_call_info)
7155 mono_arch_dyn_call_free (info->dyn_call_info);
7160 static void seq_point_info_free (gpointer value)
7163 MonoSeqPointInfo* info = (MonoSeqPointInfo*)value;
7165 for (i = 0; i < info->len; ++i) {
7166 SeqPoint *sp = &info->seq_points [i];
7174 mini_free_jit_domain_info (MonoDomain *domain)
7176 MonoJitDomainInfo *info = domain_jit_info (domain);
7178 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
7179 g_hash_table_destroy (info->jump_target_hash);
7180 if (info->jump_target_got_slot_hash) {
7181 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
7182 g_hash_table_destroy (info->jump_target_got_slot_hash);
7184 if (info->dynamic_code_hash) {
7185 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
7186 g_hash_table_destroy (info->dynamic_code_hash);
7188 if (info->method_code_hash)
7189 g_hash_table_destroy (info->method_code_hash);
7190 g_hash_table_destroy (info->class_init_trampoline_hash);
7191 g_hash_table_destroy (info->jump_trampoline_hash);
7192 g_hash_table_destroy (info->jit_trampoline_hash);
7193 g_hash_table_destroy (info->delegate_trampoline_hash);
7194 if (info->static_rgctx_trampoline_hash)
7195 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
7196 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
7197 mono_conc_hashtable_destroy (info->runtime_invoke_hash);
7198 g_hash_table_destroy (info->seq_points);
7199 g_hash_table_destroy (info->arch_seq_points);
7200 if (info->agent_info)
7201 mono_debugger_agent_free_domain_info (domain);
7202 if (info->gsharedvt_arg_tramp_hash)
7203 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
7205 mono_llvm_free_domain_info (domain);
7208 g_free (domain->runtime_info);
7209 domain->runtime_info = NULL;
7213 mini_init (const char *filename, const char *runtime_version)
7216 MonoRuntimeCallbacks callbacks;
7217 MonoThreadInfoRuntimeCallbacks ticallbacks;
7219 MONO_VES_INIT_BEGIN ();
7221 #if defined(__linux__) && !defined(__native_client__)
7222 if (access ("/proc/self/maps", F_OK) != 0) {
7223 g_print ("Mono requires /proc to be mounted.\n");
7228 mono_mutex_init_recursive (&jit_mutex);
7230 mono_cross_helpers_run ();
7232 /* Happens when using the embedding interface */
7233 if (!default_opt_set)
7234 default_opt = mono_parse_default_optimizations (NULL);
7236 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7238 mono_set_generic_sharing_vt_supported (TRUE);
7241 #ifdef MONO_HAVE_FAST_TLS
7242 MONO_FAST_TLS_INIT (mono_jit_tls);
7243 MONO_FAST_TLS_INIT (mono_lmf_addr);
7244 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
7245 MONO_FAST_TLS_INIT (mono_lmf);
7249 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
7251 if (!global_codeman)
7252 global_codeman = mono_code_manager_new ();
7254 memset (&callbacks, 0, sizeof (callbacks));
7255 callbacks.create_ftnptr = mini_create_ftnptr;
7256 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
7257 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
7258 callbacks.set_cast_details = mono_set_cast_details;
7259 callbacks.debug_log = mono_debugger_agent_debug_log;
7260 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
7261 callbacks.tls_key_supported = mini_tls_key_supported;
7264 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
7265 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
7268 mono_install_callbacks (&callbacks);
7270 memset (&ticallbacks, 0, sizeof (ticallbacks));
7271 ticallbacks.setup_async_callback = mono_setup_async_callback;
7272 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
7273 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
7275 mono_threads_runtime_init (&ticallbacks);
7277 if (g_getenv ("MONO_DEBUG") != NULL)
7278 mini_parse_debug_options ();
7280 mono_code_manager_init ();
7284 mono_arch_cpu_init ();
7288 mono_unwind_init ();
7290 if (g_getenv ("MONO_XDEBUG")) {
7291 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
7292 mono_xdebug_init (xdebug_opts);
7293 /* So methods for multiple domains don't have the same address */
7294 mono_dont_free_domains = TRUE;
7295 mono_using_xdebug = TRUE;
7296 } else if (mini_get_debug_options ()->gdb) {
7297 mono_xdebug_init ((char*)"gdb");
7298 mono_dont_free_domains = TRUE;
7299 mono_using_xdebug = TRUE;
7303 if (mono_use_llvm) {
7304 if (!mono_llvm_load (NULL)) {
7305 mono_use_llvm = FALSE;
7306 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
7313 mono_trampolines_init ();
7315 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
7317 if (default_opt & MONO_OPT_AOT)
7320 mono_debugger_agent_init ();
7322 #ifdef MONO_ARCH_GSHARED_SUPPORTED
7323 mono_set_generic_sharing_supported (TRUE);
7326 #ifndef MONO_CROSS_COMPILE
7327 mono_runtime_install_handlers ();
7329 mono_threads_install_cleanup (mini_thread_cleanup);
7331 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
7332 // This is experimental code so provide an env var to switch it off
7333 if (g_getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
7334 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
7336 check_for_pending_exc = FALSE;
7337 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
7341 #define JIT_TRAMPOLINES_WORK
7342 #ifdef JIT_TRAMPOLINES_WORK
7343 mono_install_compile_method (mono_jit_compile_method);
7344 mono_install_free_method (mono_jit_free_method);
7345 mono_install_trampoline (mono_create_jit_trampoline);
7346 mono_install_jump_trampoline (mono_create_jump_trampoline);
7347 #ifndef DISABLE_REMOTING
7348 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
7350 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
7351 mono_install_create_domain_hook (mini_create_jit_domain_info);
7352 mono_install_free_domain_hook (mini_free_jit_domain_info);
7354 #define JIT_INVOKE_WORKS
7355 #ifdef JIT_INVOKE_WORKS
7356 mono_install_runtime_invoke (mono_jit_runtime_invoke);
7358 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
7359 mono_install_get_class_from_name (mono_aot_get_class_from_name);
7360 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
7362 if (debug_options.collect_pagefault_stats)
7363 mono_aot_set_make_unreadable (TRUE);
7365 if (runtime_version)
7366 domain = mono_init_version (filename, runtime_version);
7368 domain = mono_init_from_assembly (filename, filename);
7370 if (mono_aot_only) {
7371 /* This helps catch code allocation requests */
7372 mono_code_manager_set_read_only (domain->code_mp);
7373 mono_marshal_use_aot_wrappers (TRUE);
7378 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
7380 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
7383 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
7384 mono_arch_finish_init ();
7388 /* This must come after mono_init () in the aot-only case */
7389 mono_exceptions_init ();
7391 /* This should come after mono_init () too */
7395 mono_create_helper_signatures ();
7398 register_jit_stats ();
7400 #define JIT_CALLS_WORK
7401 #ifdef JIT_CALLS_WORK
7402 /* Needs to be called here since register_jit_icall depends on it */
7403 mono_marshal_init ();
7405 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
7407 mono_arch_register_lowlevel_calls ();
7411 mono_generic_sharing_init ();
7414 #ifdef MONO_ARCH_SIMD_INTRINSICS
7415 mono_simd_intrinsics_init ();
7418 #if MONO_SUPPORT_TASKLETS
7419 mono_tasklets_init ();
7422 if (mono_compile_aot)
7424 * Avoid running managed code when AOT compiling, since the platform
7425 * might only support aot-only execution.
7427 mono_runtime_set_no_exec (TRUE);
7429 #define JIT_RUNTIME_WORKS
7430 #ifdef JIT_RUNTIME_WORKS
7431 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7432 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7433 mono_thread_attach (domain);
7436 mono_profiler_runtime_initialized ();
7438 MONO_VES_INIT_END ();
7444 register_icalls (void)
7446 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
7447 ves_icall_get_frame_info);
7448 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
7449 ves_icall_get_trace);
7450 mono_add_internal_call ("System.Exception::get_trace",
7451 ves_icall_System_Exception_get_trace);
7452 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
7453 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
7454 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
7455 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
7456 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
7457 mono_runtime_install_handlers);
7459 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
7460 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
7461 mono_debugger_agent_unhandled_exception);
7465 * It's important that we pass `TRUE` as the last argument here, as
7466 * it causes the JIT to omit a wrapper for these icalls. If the JIT
7467 * *did* emit a wrapper, we'd be looking at infinite recursion since
7468 * the wrapper would call the icall which would call the wrapper and
7471 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
7472 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
7474 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
7475 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
7476 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
7477 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
7478 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
7479 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
7481 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
7482 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
7483 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
7484 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
7485 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
7486 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
7487 #ifndef DISABLE_REMOTING
7488 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
7489 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
7492 #if defined(__native_client__) || defined(__native_client_codegen__)
7493 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
7496 * NOTE, NOTE, NOTE, NOTE:
7497 * when adding emulation for some opcodes, remember to also add a dummy
7498 * rule to the burg files, because we need the arity information to be correct.
7500 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
7501 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
7502 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
7503 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
7504 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
7505 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
7507 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
7508 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
7509 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
7512 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
7513 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
7514 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
7515 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
7518 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
7519 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
7520 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
7521 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
7522 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
7525 #ifdef MONO_ARCH_EMULATE_MUL_DIV
7526 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
7529 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
7530 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
7531 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
7534 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
7535 if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) {
7536 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
7540 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
7541 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
7542 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
7543 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
7545 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
7546 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
7548 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
7549 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);
7551 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
7552 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
7554 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
7555 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
7557 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
7558 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);
7560 #ifdef MONO_ARCH_EMULATE_FREM
7561 #if defined(__default_codegen__)
7562 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
7563 #elif defined(__native_client_codegen__)
7564 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
7568 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
7569 if (mono_arch_is_soft_float ()) {
7570 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
7571 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
7572 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
7573 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
7574 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
7575 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
7576 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
7577 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
7578 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
7579 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7580 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
7581 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
7583 #if SIZEOF_VOID_P == 4
7584 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7587 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
7588 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
7589 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
7590 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
7591 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
7592 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
7593 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
7594 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
7595 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
7596 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
7598 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
7599 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
7600 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
7601 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
7602 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
7604 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
7605 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
7606 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
7607 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
7611 #ifdef COMPRESSED_INTERFACE_BITMAP
7612 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
7615 #if SIZEOF_REGISTER == 4
7616 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
7618 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
7621 /* other jit icalls */
7622 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
7623 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
7624 "ptr ptr ptr", FALSE);
7625 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
7626 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
7627 "ptr ptr ptr ptr", FALSE);
7628 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
7629 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
7630 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
7631 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
7632 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
7633 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7634 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7635 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7636 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7637 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7638 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7639 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
7640 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
7641 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
7642 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
7643 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7644 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
7645 register_icall (mono_break, "mono_break", NULL, TRUE);
7646 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7647 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7648 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7649 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7650 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7651 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7652 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
7653 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7654 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7655 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
7656 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
7658 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7660 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7661 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7663 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7666 register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
7670 MonoJitStats mono_jit_stats = {0};
7673 print_jit_stats (void)
7675 if (mono_jit_stats.enabled) {
7676 g_print ("Mono Jit statistics\n");
7677 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7678 mono_jit_stats.max_ratio_method);
7679 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7680 mono_jit_stats.biggest_method);
7682 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7683 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7684 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7685 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7686 g_print ("Methods: %ld\n", mono_stats.method_count);
7687 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7688 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7689 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7691 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7692 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7693 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7695 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7696 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7697 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7698 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7700 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7701 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7702 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7703 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7704 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7705 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7706 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7707 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7709 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7710 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7711 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7713 if (mono_security_cas_enabled ()) {
7714 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7715 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7716 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7717 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7718 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7719 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7722 g_free (mono_jit_stats.max_ratio_method);
7723 mono_jit_stats.max_ratio_method = NULL;
7724 g_free (mono_jit_stats.biggest_method);
7725 mono_jit_stats.biggest_method = NULL;
7730 mini_cleanup (MonoDomain *domain)
7732 mono_runtime_shutdown_stat_profiler ();
7735 cominterop_release_all_rcws ();
7738 #ifndef MONO_CROSS_COMPILE
7740 * mono_domain_finalize () needs to be called early since it needs the
7741 * execution engine still fully working (it may invoke managed finalizers).
7743 mono_domain_finalize (domain, 2000);
7746 /* This accesses metadata so needs to be called before runtime shutdown */
7749 mono_profiler_shutdown ();
7751 #ifndef MONO_CROSS_COMPILE
7752 mono_runtime_cleanup (domain);
7755 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7757 mono_icall_cleanup ();
7759 mono_runtime_cleanup_handlers ();
7761 #ifndef MONO_CROSS_COMPILE
7762 mono_domain_free (domain, TRUE);
7767 mono_llvm_cleanup ();
7770 mono_aot_cleanup ();
7772 mono_trampolines_cleanup ();
7774 mono_unwind_cleanup ();
7776 mono_code_manager_destroy (global_codeman);
7777 g_hash_table_destroy (jit_icall_name_hash);
7778 g_free (emul_opcode_map);
7779 g_free (emul_opcode_opcodes);
7780 g_free (vtable_trampolines);
7782 mono_tramp_info_cleanup ();
7784 mono_arch_cleanup ();
7786 mono_generic_sharing_cleanup ();
7790 mono_trace_cleanup ();
7792 mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
7794 if (mono_inject_async_exc_method)
7795 mono_method_desc_free (mono_inject_async_exc_method);
7797 mono_native_tls_free (mono_jit_tls_id);
7799 mono_mutex_destroy (&jit_mutex);
7801 mono_mutex_destroy (&mono_delegate_section);
7803 mono_code_manager_cleanup ();
7805 #ifdef USE_JUMP_TABLES
7806 mono_jumptable_cleanup ();
7811 mono_set_defaults (int verbose_level, guint32 opts)
7813 mini_verbose = verbose_level;
7814 mono_set_optimizations (opts);
7818 mono_disable_optimizations (guint32 opts)
7820 default_opt &= ~opts;
7824 mono_set_optimizations (guint32 opts)
7827 default_opt_set = TRUE;
7828 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7829 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7834 mono_set_verbose_level (guint32 level)
7836 mini_verbose = level;
7840 * mono_get_runtime_build_info:
7842 * Return the runtime version + build date in string format.
7843 * The returned string is owned by the caller. The returned string
7844 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7847 mono_get_runtime_build_info (void)
7849 if (mono_build_date)
7850 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7852 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7856 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7858 GHashTable *assemblies = (GHashTable*)user_data;
7859 MonoImage *image = mono_assembly_get_image (ass);
7860 MonoMethod *method, *invoke;
7863 if (g_hash_table_lookup (assemblies, ass))
7866 g_hash_table_insert (assemblies, ass, ass);
7868 if (mini_verbose > 0)
7869 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7871 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7872 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7873 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7877 if (mini_verbose > 1) {
7878 char * desc = mono_method_full_name (method, TRUE);
7879 g_print ("Compiling %d %s\n", count, desc);
7882 mono_compile_method (method);
7883 if (strcmp (method->name, "Finalize") == 0) {
7884 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7885 mono_compile_method (invoke);
7887 #ifndef DISABLE_REMOTING
7888 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
7889 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7890 mono_compile_method (invoke);
7895 /* Load and precompile referenced assemblies as well */
7896 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7897 mono_assembly_load_reference (image, i);
7898 if (image->references [i])
7899 mono_precompile_assembly (image->references [i], assemblies);
7903 void mono_precompile_assemblies ()
7905 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7907 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7909 g_hash_table_destroy (assemblies);
7915 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7916 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7920 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7922 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7923 hole->clause = clause;
7924 hole->start_offset = start - cfg->native_code;
7925 hole->basic_block = bb;
7927 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7931 mono_cfg_set_exception (MonoCompile *cfg, int type)
7933 cfg->exception_type = type;
7938 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
7940 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
7943 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7949 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7951 g_assert_not_reached ();
7956 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
7958 g_assert_not_reached ();
7963 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
7965 g_assert_not_reached ();
7971 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(ENABLE_GSHAREDVT)
7974 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7980 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7988 #ifdef USE_JUMP_TABLES
7989 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
7991 typedef struct MonoJumpTableChunk {
7994 struct MonoJumpTableChunk *previous;
7995 /* gpointer entries[total]; */
7996 } MonoJumpTableChunk;
7998 static MonoJumpTableChunk* g_jumptable;
7999 #define mono_jumptable_lock() mono_mutex_lock (&jumptable_mutex)
8000 #define mono_jumptable_unlock() mono_mutex_unlock (&jumptable_mutex)
8001 static mono_mutex_t jumptable_mutex;
8003 static MonoJumpTableChunk*
8004 mono_create_jumptable_chunk (guint32 max_entries)
8006 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
8007 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
8008 chunk->total = max_entries;
8013 mono_jumptable_init (void)
8015 if (g_jumptable == NULL) {
8016 mono_mutex_init_recursive (&jumptable_mutex);
8017 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
8022 mono_jumptable_add_entry (void)
8024 return mono_jumptable_add_entries (1);
8028 mono_jumptable_add_entries (guint32 entries)
8033 mono_jumptable_init ();
8034 mono_jumptable_lock ();
8035 index = g_jumptable->active;
8036 if (index + entries >= g_jumptable->total) {
8038 * Grow jumptable, by adding one more chunk.
8039 * We cannot realloc jumptable, as there could be pointers
8040 * to existing jump table entries in the code, so instead
8041 * we just add one more chunk.
8043 guint32 max_entries = entries;
8044 MonoJumpTableChunk *new_chunk;
8046 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
8047 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
8048 new_chunk = mono_create_jumptable_chunk (max_entries);
8049 /* Link old jumptable, so that we could free it up later. */
8050 new_chunk->previous = g_jumptable;
8051 g_jumptable = new_chunk;
8054 g_jumptable->active = index + entries;
8055 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
8056 mono_jumptable_unlock();
8062 mono_jumptable_cleanup (void)
8065 MonoJumpTableChunk *current = g_jumptable, *prev;
8066 while (current != NULL) {
8067 prev = current->previous;
8072 mono_mutex_destroy (&jumptable_mutex);
8077 mono_jumptable_get_entry (guint8 *code_ptr)
8079 return mono_arch_jumptable_entry_from_code (code_ptr);
8084 * mini_replace_type:
8086 * Replace the type used in the metadata stream with what the JIT will actually use during compilation.
8089 mini_replace_type (MonoType *type)
8091 type = mono_type_get_underlying_type (type);
8092 return mini_native_type_replace_type (type);