2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Copyright 2003-2010 Novell, Inc.
10 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
13 #define MONO_LLVM_IN_MINI 1
23 #ifdef HAVE_SYS_TIME_H
27 #include <mono/utils/memcheck.h>
29 #include <mono/metadata/assembly.h>
30 #include <mono/metadata/loader.h>
31 #include <mono/metadata/tabledefs.h>
32 #include <mono/metadata/class.h>
33 #include <mono/metadata/object.h>
34 #include <mono/metadata/tokentype.h>
35 #include <mono/metadata/tabledefs.h>
36 #include <mono/metadata/threads.h>
37 #include <mono/metadata/appdomain.h>
38 #include <mono/metadata/debug-helpers.h>
39 #include <mono/io-layer/io-layer.h>
40 #include "mono/metadata/profiler.h"
41 #include <mono/metadata/profiler-private.h>
42 #include <mono/metadata/mono-config.h>
43 #include <mono/metadata/environment.h>
44 #include <mono/metadata/mono-debug.h>
45 #include <mono/metadata/gc-internal.h>
46 #include <mono/metadata/threads-types.h>
47 #include <mono/metadata/verify.h>
48 #include <mono/metadata/verify-internals.h>
49 #include <mono/metadata/mempool-internals.h>
50 #include <mono/metadata/attach.h>
51 #include <mono/metadata/runtime.h>
52 #include <mono/utils/mono-math.h>
53 #include <mono/utils/mono-compiler.h>
54 #include <mono/utils/mono-counters.h>
55 #include <mono/utils/mono-logger-internal.h>
56 #include <mono/utils/mono-mmap.h>
57 #include <mono/utils/mono-path.h>
58 #include <mono/utils/mono-tls.h>
59 #include <mono/utils/mono-hwcap.h>
60 #include <mono/utils/dtrace.h>
63 #include "mini-llvm.h"
71 #include "jit-icalls.h"
73 #include "debug-mini.h"
75 #include "debugger-agent.h"
77 /* this macro is used for a runtime check done in mini_init () */
78 #ifdef MONO_ARCH_EMULATE_MUL_DIV
79 #define EMUL_MUL_DIV 1
81 #define EMUL_MUL_DIV 0
84 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
87 static guint32 default_opt = 0;
88 static gboolean default_opt_set = FALSE;
90 MonoNativeTlsKey mono_jit_tls_id;
92 #ifdef MONO_HAVE_FAST_TLS
93 MONO_FAST_TLS_DECLARE(mono_jit_tls);
96 #ifndef MONO_ARCH_MONITOR_ENTER_ADJUSTMENT
97 #define MONO_ARCH_MONITOR_ENTER_ADJUSTMENT 1
100 MonoTraceSpec *mono_jit_trace_calls = NULL;
101 gboolean mono_compile_aot = FALSE;
102 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
103 gboolean mono_aot_only = FALSE;
104 /* Whenever to use IMT */
105 #ifdef MONO_ARCH_HAVE_IMT
106 gboolean mono_use_imt = TRUE;
108 gboolean mono_use_imt = FALSE;
110 MonoMethodDesc *mono_inject_async_exc_method = NULL;
111 int mono_inject_async_exc_pos;
112 MonoMethodDesc *mono_break_at_bb_method = NULL;
113 int mono_break_at_bb_bb_num;
114 gboolean mono_do_x86_stack_align = TRUE;
115 const char *mono_build_date;
116 gboolean mono_do_signal_chaining;
117 static gboolean mono_using_xdebug;
118 static int mini_verbose = 0;
121 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
122 * it can load AOT code compiled by LLVM.
124 gboolean mono_use_llvm = FALSE;
126 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
127 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
128 static CRITICAL_SECTION jit_mutex;
130 static MonoCodeManager *global_codeman = NULL;
132 static GHashTable *jit_icall_name_hash = NULL;
134 static MonoDebugOptions debug_options;
136 #ifdef VALGRIND_JIT_REGISTER_MAP
137 static int valgrind_register = 0;
141 * Table written to by the debugger with a 1-based index into the
142 * mono_breakpoint_info table, which contains changes made to
143 * the JIT instructions by the debugger.
146 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
148 /* Whenever to check for pending exceptions in managed-to-native wrappers */
149 gboolean check_for_pending_exc = TRUE;
151 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
152 gboolean disable_vtypes_in_regs = FALSE;
154 gboolean mono_dont_free_global_codeman;
156 static GSList *tramp_infos;
159 mono_realloc_native_code (MonoCompile *cfg)
161 #if defined(__default_codegen__)
162 return g_realloc (cfg->native_code, cfg->code_size);
163 #elif defined(__native_client_codegen__)
165 gpointer native_code;
166 guint alignment_check;
168 /* Save the old alignment offset so we can re-align after the realloc. */
169 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
170 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
172 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
173 cfg->code_size + kNaClAlignment );
175 /* Align native_code to next nearest kNaClAlignment byte. */
176 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
177 native_code = (guint)native_code & ~kNaClAlignmentMask;
179 /* Shift the data to be 32-byte aligned again. */
180 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
182 alignment_check = (guint)native_code & kNaClAlignmentMask;
183 g_assert (alignment_check == 0);
186 g_assert_not_reached ();
187 return cfg->native_code;
191 #ifdef __native_client_codegen__
193 /* Prevent instructions from straddling a 32-byte alignment boundary. */
194 /* Instructions longer than 32 bytes must be aligned internally. */
195 /* IN: pcode, instlen */
197 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
200 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
202 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
203 g_assert_not_reached();
204 } else if (instlen > space_in_block) {
205 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
209 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
210 /* IN: start pointer to start of call sequence */
211 /* IN: pcode pointer to end of call sequence (current "IP") */
212 /* OUT: start pointer to the start of the call sequence after padding */
213 /* OUT: pcode pointer to the end of the call sequence after padding */
214 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
215 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
216 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
219 const size_t length = (size_t)((*pcode)-(*start));
220 g_assert(length < MAX_NACL_CALL_LENGTH);
222 memcpy(copy_of_call, *start, length);
223 temp = mono_nacl_pad_call(*start, (guint8)length);
224 memcpy(temp, copy_of_call, length);
226 (*pcode) = temp + length;
229 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
230 /* code pointer to buffer for emitting code */
231 /* ilength length of call instruction */
232 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
233 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
234 int padding = freeSpaceInBlock - ilength;
237 /* There isn't enough space in this block for the instruction. */
238 /* Fill this block and start a new one. */
239 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
240 freeSpaceInBlock = kNaClAlignment;
241 padding = freeSpaceInBlock - ilength;
243 g_assert(ilength > 0);
244 g_assert(padding >= 0);
245 g_assert(padding < kNaClAlignment);
246 if (0 == padding) return code;
247 return mono_arch_nacl_pad(code, padding);
250 guint8 *mono_nacl_align(guint8 *code) {
251 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
252 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
256 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
258 #ifndef USE_JUMP_TABLES
259 MonoJumpInfo *patch_info;
260 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
261 unsigned char *ip = patch_info->ip.i + code;
262 ip = mono_arch_nacl_skip_nops(ip);
263 patch_info->ip.i = ip - code;
267 #endif /* __native_client_codegen__ */
270 mono_running_on_valgrind (void)
272 if (RUNNING_ON_VALGRIND){
273 #ifdef VALGRIND_JIT_REGISTER_MAP
274 valgrind_register = TRUE;
282 MonoExceptionClause *clause;
283 MonoBasicBlock *basic_block;
293 find_tramp (gpointer key, gpointer value, gpointer user_data)
295 FindTrampUserData *ud = (FindTrampUserData*)user_data;
298 ud->method = (MonoMethod*)key;
302 G_GNUC_UNUSED static char*
303 get_method_from_ip (void *ip)
308 MonoDomain *domain = mono_domain_get ();
309 MonoDebugSourceLocation *location;
310 FindTrampUserData user_data;
313 domain = mono_get_root_domain ();
315 ji = mono_jit_info_table_find (domain, ip);
318 user_data.method = NULL;
319 mono_domain_lock (domain);
320 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
321 mono_domain_unlock (domain);
322 if (user_data.method) {
323 char *mname = mono_method_full_name (user_data.method, TRUE);
324 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
331 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
332 /* FIXME: unused ? */
333 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
335 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);
337 mono_debug_free_source_location (location);
345 * @ip: an instruction pointer address
347 * This method is used from a debugger to get the name of the
348 * method at address @ip. This routine is typically invoked from
349 * a debugger like this:
351 * (gdb) print mono_pmip ($pc)
353 * Returns: the name of the method at address @ip.
358 return get_method_from_ip (ip);
362 * mono_print_method_from_ip
363 * @ip: an instruction pointer address
365 * This method is used from a debugger to get the name of the
366 * method at address @ip.
368 * This prints the name of the method at address @ip in the standard
369 * output. Unlike mono_pmip which returns a string, this routine
370 * prints the value on the standard output.
373 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
374 __attribute__((used))
377 mono_print_method_from_ip (void *ip)
381 MonoDebugSourceLocation *source;
382 MonoDomain *domain = mono_domain_get ();
383 MonoDomain *target_domain = mono_domain_get ();
384 FindTrampUserData user_data;
385 MonoGenericSharingContext*gsctx;
386 const char *shared_type;
389 ji = mini_jit_info_table_find (domain, ip, &target_domain);
392 user_data.method = NULL;
393 mono_domain_lock (domain);
394 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
395 mono_domain_unlock (domain);
396 if (user_data.method) {
397 char *mname = mono_method_full_name (user_data.method, TRUE);
398 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
402 for (l = tramp_infos; l; l = l->next) {
403 MonoTrampInfo *tinfo = l->data;
405 if ((guint8*)ip >= tinfo->code && (guint8*)ip <= tinfo->code + tinfo->code_size) {
406 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
411 g_print ("No method at %p\n", ip);
415 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
416 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
418 gsctx = mono_jit_info_get_generic_sharing_context (ji);
421 if (gsctx->var_is_vt || gsctx->mvar_is_vt)
422 shared_type = "gsharedvt ";
424 shared_type = "gshared ";
427 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);
430 g_print ("%s:%d\n", source->source_file, source->row);
433 mono_debug_free_source_location (source);
438 * mono_method_same_domain:
440 * Determine whenever two compiled methods are in the same domain, thus
441 * the address of the callee can be embedded in the caller.
443 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
447 if (!caller || !callee)
451 * If the call was made from domain-neutral to domain-specific
452 * code, we can't patch the call site.
454 if (caller->domain_neutral && !callee->domain_neutral)
457 cmethod = jinfo_get_method (caller);
458 if ((cmethod->klass == mono_defaults.appdomain_class) &&
459 (strstr (cmethod->name, "InvokeInDomain"))) {
460 /* The InvokeInDomain methods change the current appdomain */
468 * mono_global_codeman_reserve:
470 * Allocate code memory from the global code manager.
472 void *mono_global_codeman_reserve (int size)
477 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
479 if (!global_codeman) {
480 /* This can happen during startup */
481 global_codeman = mono_code_manager_new ();
482 return mono_code_manager_reserve (global_codeman, size);
486 ptr = mono_code_manager_reserve (global_codeman, size);
492 #if defined(__native_client_codegen__) && defined(__native_client__)
496 #ifdef __native_client_gc__
497 __nacl_suspend_thread_if_needed();
501 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
502 * which we are generating code, return a pointer to the destination in the
503 * dynamic code segment into which the code will be copied when
504 * mono_global_codeman_commit is called.
505 * LOCKING: Acquires the jit lock.
508 nacl_global_codeman_get_dest (void *data)
512 dest = nacl_code_manager_get_code_dest (global_codeman, data);
518 mono_global_codeman_commit (void *data, int size, int newsize)
521 mono_code_manager_commit (global_codeman, data, size, newsize);
526 * Convenience function which calls mono_global_codeman_commit to validate and
527 * copy the code. The caller sets *buf_base and *buf_size to the start and size
528 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
529 * the byte after the last instruction byte. On return, *buf_base will point to
530 * the start of the copied in the code segment, and *code_end will point after
531 * the end of the copied code.
534 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
536 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
537 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
538 *code_end = tmp + (*code_end - *buf_base);
542 /* no-op versions of Native Client functions */
544 nacl_global_codeman_get_dest (void *data)
550 mono_global_codeman_commit (void *data, int size, int newsize)
555 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
559 #endif /* __native_client__ */
562 * mono_create_unwind_op:
564 * Create an unwind op with the given parameters.
567 mono_create_unwind_op (int when, int tag, int reg, int val)
569 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
580 * mono_emit_unwind_op:
582 * Add an unwind op with the given parameters for the list of unwind ops stored in
586 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
588 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
595 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
599 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
601 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
604 res->has_context = context != NULL;
606 memcpy (&res->context, context, sizeof (MonoGenericContext));
612 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
614 return mono_jump_info_token_new2 (mp, image, token, NULL);
618 * mono_tramp_info_create:
620 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
621 * of JI, and UNWIND_OPS.
624 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
626 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
628 info->name = g_strdup ((char*)name);
630 info->code_size = code_size;
632 info->unwind_ops = unwind_ops;
638 mono_tramp_info_free (MonoTrampInfo *info)
645 for (l = info->unwind_ops; l; l = l->next)
647 g_slist_free (info->unwind_ops);
652 * mono_tramp_info_register:
654 * Remember INFO for use by mono_print_method_from_ip ().
657 mono_tramp_info_register (MonoTrampInfo *info)
661 copy = g_new0 (MonoTrampInfo, 1);
662 copy->code = info->code;
663 copy->code_size = info->code_size;
664 copy->name = g_strdup (info->name);
666 mono_loader_lock_if_inited ();
667 tramp_infos = g_slist_prepend (tramp_infos, copy);
668 mono_loader_unlock_if_inited ();
671 G_GNUC_UNUSED static void
677 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
678 * Set a breakpoint in break_count () to break the last time <x> is done.
680 G_GNUC_UNUSED gboolean
681 mono_debug_count (void)
683 static int count = 0;
686 if (!g_getenv ("COUNT"))
689 if (count == atoi (g_getenv ("COUNT"))) {
693 if (count > atoi (g_getenv ("COUNT"))) {
700 #define MONO_INIT_VARINFO(vi,id) do { \
701 (vi)->range.first_use.pos.bid = 0xffff; \
707 * mono_unlink_bblock:
709 * Unlink two basic blocks.
712 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
718 for (i = 0; i < from->out_count; ++i) {
719 if (to == from->out_bb [i]) {
726 for (i = 0; i < from->out_count; ++i) {
727 if (from->out_bb [i] != to)
728 from->out_bb [pos ++] = from->out_bb [i];
730 g_assert (pos == from->out_count - 1);
735 for (i = 0; i < to->in_count; ++i) {
736 if (from == to->in_bb [i]) {
743 for (i = 0; i < to->in_count; ++i) {
744 if (to->in_bb [i] != from)
745 to->in_bb [pos ++] = to->in_bb [i];
747 g_assert (pos == to->in_count - 1);
753 * mono_bblocks_linked:
755 * Return whenever BB1 and BB2 are linked in the CFG.
758 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
762 for (i = 0; i < bb1->out_count; ++i) {
763 if (bb1->out_bb [i] == bb2)
771 mono_find_block_region_notry (MonoCompile *cfg, int offset)
773 MonoMethodHeader *header = cfg->header;
774 MonoExceptionClause *clause;
777 for (i = 0; i < header->num_clauses; ++i) {
778 clause = &header->clauses [i];
779 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
780 (offset < (clause->handler_offset)))
781 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
783 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
784 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
785 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
786 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
787 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
789 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
797 * mono_get_block_region_notry:
799 * Return the region corresponding to REGION, ignoring try clauses nested inside
803 mono_get_block_region_notry (MonoCompile *cfg, int region)
805 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
806 MonoMethodHeader *header = cfg->header;
809 * This can happen if a try clause is nested inside a finally clause.
811 int clause_index = (region >> 8) - 1;
812 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
814 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
821 mono_find_spvar_for_region (MonoCompile *cfg, int region)
823 region = mono_get_block_region_notry (cfg, region);
825 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
829 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
833 array [*dfn] = start;
834 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
835 for (i = 0; i < start->out_count; ++i) {
836 if (start->out_bb [i]->dfn)
839 start->out_bb [i]->dfn = *dfn;
840 start->out_bb [i]->df_parent = start;
841 array [*dfn] = start->out_bb [i];
842 df_visit (start->out_bb [i], dfn, array);
847 mono_reverse_branch_op (guint32 opcode)
849 static const int reverse_map [] = {
850 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
851 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
853 static const int reverse_fmap [] = {
854 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
855 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
857 static const int reverse_lmap [] = {
858 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
859 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
861 static const int reverse_imap [] = {
862 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
863 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
866 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
867 opcode = reverse_map [opcode - CEE_BEQ];
868 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
869 opcode = reverse_fmap [opcode - OP_FBEQ];
870 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
871 opcode = reverse_lmap [opcode - OP_LBEQ];
872 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
873 opcode = reverse_imap [opcode - OP_IBEQ];
875 g_assert_not_reached ();
881 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
884 return OP_STORE_MEMBASE_REG;
887 switch (type->type) {
890 case MONO_TYPE_BOOLEAN:
891 return OP_STOREI1_MEMBASE_REG;
895 return OP_STOREI2_MEMBASE_REG;
898 return OP_STOREI4_MEMBASE_REG;
902 case MONO_TYPE_FNPTR:
903 return OP_STORE_MEMBASE_REG;
904 case MONO_TYPE_CLASS:
905 case MONO_TYPE_STRING:
906 case MONO_TYPE_OBJECT:
907 case MONO_TYPE_SZARRAY:
908 case MONO_TYPE_ARRAY:
909 return OP_STORE_MEMBASE_REG;
912 return OP_STOREI8_MEMBASE_REG;
914 return OP_STORER4_MEMBASE_REG;
916 return OP_STORER8_MEMBASE_REG;
917 case MONO_TYPE_VALUETYPE:
918 if (type->data.klass->enumtype) {
919 type = mono_class_enum_basetype (type->data.klass);
922 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
923 return OP_STOREX_MEMBASE;
924 return OP_STOREV_MEMBASE;
925 case MONO_TYPE_TYPEDBYREF:
926 return OP_STOREV_MEMBASE;
927 case MONO_TYPE_GENERICINST:
928 type = &type->data.generic_class->container_class->byval_arg;
932 if (mini_type_var_is_vt (cfg, type))
933 return OP_STOREV_MEMBASE;
935 return OP_STORE_MEMBASE_REG;
937 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
943 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
946 return OP_LOAD_MEMBASE;
948 type = mono_type_get_underlying_type (type);
950 switch (type->type) {
952 return OP_LOADI1_MEMBASE;
954 case MONO_TYPE_BOOLEAN:
955 return OP_LOADU1_MEMBASE;
957 return OP_LOADI2_MEMBASE;
960 return OP_LOADU2_MEMBASE;
962 return OP_LOADI4_MEMBASE;
964 return OP_LOADU4_MEMBASE;
968 case MONO_TYPE_FNPTR:
969 return OP_LOAD_MEMBASE;
970 case MONO_TYPE_CLASS:
971 case MONO_TYPE_STRING:
972 case MONO_TYPE_OBJECT:
973 case MONO_TYPE_SZARRAY:
974 case MONO_TYPE_ARRAY:
975 return OP_LOAD_MEMBASE;
978 return OP_LOADI8_MEMBASE;
980 return OP_LOADR4_MEMBASE;
982 return OP_LOADR8_MEMBASE;
983 case MONO_TYPE_VALUETYPE:
984 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
985 return OP_LOADX_MEMBASE;
986 case MONO_TYPE_TYPEDBYREF:
987 return OP_LOADV_MEMBASE;
988 case MONO_TYPE_GENERICINST:
989 if (mono_type_generic_inst_is_valuetype (type))
990 return OP_LOADV_MEMBASE;
992 return OP_LOAD_MEMBASE;
996 g_assert (cfg->generic_sharing_context);
997 if (mini_type_var_is_vt (cfg, type))
998 return OP_LOADV_MEMBASE;
1000 return OP_LOAD_MEMBASE;
1002 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
1008 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
1010 if (cfg->generic_sharing_context && !type->byref) {
1011 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1012 if (mini_type_var_is_vt (cfg, type))
1015 return CEE_LDIND_REF;
1018 return mono_type_to_ldind (type);
1024 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
1026 if (cfg->generic_sharing_context && !type->byref) {
1027 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1028 if (mini_type_var_is_vt (cfg, type))
1031 return CEE_STIND_REF;
1034 return mono_type_to_stind (type);
1038 mono_op_imm_to_op (int opcode)
1042 #if SIZEOF_REGISTER == 4
1058 #if SIZEOF_REGISTER == 4
1064 #if SIZEOF_REGISTER == 4
1070 #if SIZEOF_REGISTER == 4
1095 case OP_ISHR_UN_IMM:
1097 case OP_LSHR_UN_IMM:
1101 case OP_IDIV_UN_IMM:
1103 case OP_IREM_UN_IMM:
1108 #if SIZEOF_REGISTER == 4
1114 #if SIZEOF_REGISTER == 4
1131 case OP_COMPARE_IMM:
1133 case OP_ICOMPARE_IMM:
1135 case OP_LOCALLOC_IMM:
1138 printf ("%s\n", mono_inst_name (opcode));
1139 g_assert_not_reached ();
1145 * mono_decompose_op_imm:
1147 * Replace the OP_.._IMM INS with its non IMM variant.
1150 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1154 MONO_INST_NEW (cfg, temp, OP_ICONST);
1155 temp->inst_c0 = ins->inst_imm;
1156 temp->dreg = mono_alloc_ireg (cfg);
1157 mono_bblock_insert_before_ins (bb, ins, temp);
1158 ins->opcode = mono_op_imm_to_op (ins->opcode);
1159 if (ins->opcode == OP_LOCALLOC)
1160 ins->sreg1 = temp->dreg;
1162 ins->sreg2 = temp->dreg;
1164 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1170 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1172 if (vreg >= cfg->vreg_to_inst_len) {
1173 MonoInst **tmp = cfg->vreg_to_inst;
1174 int size = cfg->vreg_to_inst_len;
1176 while (vreg >= cfg->vreg_to_inst_len)
1177 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1178 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1180 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1182 cfg->vreg_to_inst [vreg] = inst;
1185 #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)))
1186 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1191 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1199 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1202 int num = cfg->num_varinfo;
1205 if ((num + 1) >= cfg->varinfo_count) {
1206 int orig_count = cfg->varinfo_count;
1207 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1208 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1209 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1210 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1213 cfg->stat_allocate_var++;
1215 MONO_INST_NEW (cfg, inst, opcode);
1216 inst->inst_c0 = num;
1217 inst->inst_vtype = type;
1218 inst->klass = mono_class_from_mono_type (type);
1219 type_to_eval_stack_type (cfg, type, inst);
1220 /* if set to 1 the variable is native */
1221 inst->backend.is_pinvoke = 0;
1224 if (inst->klass->exception_type)
1225 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1227 if (cfg->compute_gc_maps) {
1229 mono_mark_vreg_as_mp (cfg, vreg);
1231 MonoType *t = mini_type_get_underlying_type (NULL, type);
1232 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1233 inst->flags |= MONO_INST_GC_TRACK;
1234 mono_mark_vreg_as_ref (cfg, vreg);
1239 cfg->varinfo [num] = inst;
1241 MONO_INIT_VARINFO (&cfg->vars [num], num);
1242 MONO_VARINFO (cfg, num)->vreg = vreg;
1245 set_vreg_to_inst (cfg, vreg, inst);
1247 #if SIZEOF_REGISTER == 4
1248 if (mono_arch_is_soft_float ()) {
1249 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1251 regpair = mono_type_is_long (type);
1261 * These two cannot be allocated using create_var_for_vreg since that would
1262 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1266 * Set flags to VOLATILE so SSA skips it.
1269 if (cfg->verbose_level >= 4) {
1270 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1273 if (mono_arch_is_soft_float () && cfg->opt & MONO_OPT_SSA) {
1274 if (mono_type_is_float (type))
1275 inst->flags = MONO_INST_VOLATILE;
1278 /* Allocate a dummy MonoInst for the first vreg */
1279 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1280 tree->dreg = inst->dreg + 1;
1281 if (cfg->opt & MONO_OPT_SSA)
1282 tree->flags = MONO_INST_VOLATILE;
1283 tree->inst_c0 = num;
1284 tree->type = STACK_I4;
1285 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1286 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1288 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1290 /* Allocate a dummy MonoInst for the second vreg */
1291 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1292 tree->dreg = inst->dreg + 2;
1293 if (cfg->opt & MONO_OPT_SSA)
1294 tree->flags = MONO_INST_VOLATILE;
1295 tree->inst_c0 = num;
1296 tree->type = STACK_I4;
1297 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1298 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1300 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1304 if (cfg->verbose_level > 2)
1305 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1310 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1314 if (mono_type_is_long (type))
1315 dreg = mono_alloc_dreg (cfg, STACK_I8);
1316 else if (mono_arch_is_soft_float () && mono_type_is_float (type))
1317 dreg = mono_alloc_dreg (cfg, STACK_R8);
1319 /* All the others are unified */
1320 dreg = mono_alloc_preg (cfg);
1322 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1326 * Transform a MonoInst into a load from the variable of index var_index.
1329 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1330 memset (dest, 0, sizeof (MonoInst));
1331 dest->inst_i0 = cfg->varinfo [var_index];
1332 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1333 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1334 dest->klass = dest->inst_i0->klass;
1340 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1342 if (vreg >= cfg->vreg_is_ref_len) {
1343 gboolean *tmp = cfg->vreg_is_ref;
1344 int size = cfg->vreg_is_ref_len;
1346 while (vreg >= cfg->vreg_is_ref_len)
1347 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1348 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1350 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1352 cfg->vreg_is_ref [vreg] = TRUE;
1356 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1358 if (vreg >= cfg->vreg_is_mp_len) {
1359 gboolean *tmp = cfg->vreg_is_mp;
1360 int size = cfg->vreg_is_mp_len;
1362 while (vreg >= cfg->vreg_is_mp_len)
1363 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1364 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1366 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1368 cfg->vreg_is_mp [vreg] = TRUE;
1372 type_from_stack_type (MonoInst *ins) {
1373 switch (ins->type) {
1374 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1375 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1376 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1377 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1380 * this if used to be commented without any specific reason, but
1381 * it breaks #80235 when commented
1384 return &ins->klass->this_arg;
1386 return &mono_defaults.object_class->this_arg;
1388 /* ins->klass may not be set for ldnull.
1389 * Also, if we have a boxed valuetype, we want an object lass,
1390 * not the valuetype class
1392 if (ins->klass && !ins->klass->valuetype)
1393 return &ins->klass->byval_arg;
1394 return &mono_defaults.object_class->byval_arg;
1395 case STACK_VTYPE: return &ins->klass->byval_arg;
1397 g_error ("stack type %d to montype not handled\n", ins->type);
1403 mono_type_from_stack_type (MonoInst *ins) {
1404 return type_from_stack_type (ins);
1408 * mono_add_ins_to_end:
1410 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1413 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1418 MONO_ADD_INS (bb, inst);
1422 switch (bb->last_ins->opcode) {
1436 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1439 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1440 /* Need to insert the ins before the compare */
1441 if (bb->code == bb->last_ins) {
1442 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1446 if (bb->code->next == bb->last_ins) {
1447 /* Only two instructions */
1448 opcode = bb->code->opcode;
1450 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)) {
1452 mono_bblock_insert_before_ins (bb, bb->code, inst);
1454 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1457 opcode = bb->last_ins->prev->opcode;
1459 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)) {
1461 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1463 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1468 MONO_ADD_INS (bb, inst);
1474 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1476 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1477 MonoJumpInfoBBTable *table;
1479 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1481 table->table_size = num_blocks;
1483 ji->ip.label = label;
1484 ji->type = MONO_PATCH_INFO_SWITCH;
1485 ji->data.table = table;
1486 ji->next = cfg->patch_info;
1487 cfg->patch_info = ji;
1490 static MonoMethodSignature *
1491 mono_get_array_new_va_signature (int arity)
1493 static GHashTable *sighash = NULL;
1494 MonoMethodSignature *res;
1499 sighash = g_hash_table_new (NULL, NULL);
1501 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1506 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1509 #ifdef MONO_ARCH_VARARG_ICALLS
1510 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1511 res->call_convention = MONO_CALL_VARARG;
1515 res->call_convention = MONO_CALL_C;
1518 res->params [0] = &mono_defaults.int_class->byval_arg;
1519 for (i = 0; i < arity; i++)
1520 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1522 res->ret = &mono_defaults.object_class->byval_arg;
1524 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1531 mono_get_array_new_va_icall (int rank)
1533 MonoMethodSignature *esig;
1534 char icall_name [256];
1536 MonoJitICallInfo *info;
1538 /* Need to register the icall so it gets an icall wrapper */
1539 sprintf (icall_name, "ves_array_new_va_%d", rank);
1542 info = mono_find_jit_icall_by_name (icall_name);
1544 esig = mono_get_array_new_va_signature (rank);
1545 name = g_strdup (icall_name);
1546 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1548 g_hash_table_insert (jit_icall_name_hash, name, name);
1556 mini_class_is_system_array (MonoClass *klass)
1558 if (klass->parent == mono_defaults.array_class)
1565 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1567 MonoAssembly *assembly = method->klass->image->assembly;
1568 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1570 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1572 if (mono_security_enabled ())
1574 return mono_assembly_has_skip_verification (assembly);
1578 * mini_method_verify:
1580 * Verify the method using the new verfier.
1582 * Returns true if the method is invalid.
1585 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1588 gboolean is_fulltrust;
1589 MonoLoaderError *error;
1591 if (method->verification_success)
1594 if (!mono_verifier_is_enabled_for_method (method))
1597 /*skip verification implies the assembly must be */
1598 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1600 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1602 if ((error = mono_loader_get_last_error ())) {
1604 cfg->exception_type = error->exception_type;
1606 mono_loader_clear_error ();
1608 mono_free_verify_list (res);
1613 for (tmp = res; tmp; tmp = tmp->next) {
1614 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1615 if (info->info.status == MONO_VERIFY_ERROR) {
1617 char *method_name = mono_method_full_name (method, TRUE);
1618 cfg->exception_type = info->exception_type;
1619 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1620 g_free (method_name);
1622 mono_free_verify_list (res);
1625 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1627 char *method_name = mono_method_full_name (method, TRUE);
1628 cfg->exception_type = info->exception_type;
1629 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1630 g_free (method_name);
1632 mono_free_verify_list (res);
1636 mono_free_verify_list (res);
1638 method->verification_success = 1;
1642 /*Returns true if something went wrong*/
1644 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1646 MonoMethod *method_definition = method;
1647 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1649 while (method_definition->is_inflated) {
1650 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1651 method_definition = imethod->declaring;
1654 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1657 static gconstpointer
1658 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1661 MonoMethod *wrapper;
1662 gconstpointer trampoline;
1663 MonoDomain *domain = mono_get_root_domain ();
1665 if (callinfo->wrapper) {
1666 return callinfo->wrapper;
1669 if (callinfo->trampoline)
1670 return callinfo->trampoline;
1673 * We use the lock on the root domain instead of the JIT lock to protect
1674 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1676 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1677 mono_domain_lock (domain);
1679 if (callinfo->trampoline) {
1680 mono_domain_unlock (domain);
1681 mono_loader_unlock ();
1682 return callinfo->trampoline;
1685 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1686 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1690 trampoline = mono_compile_method (wrapper);
1692 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1693 mono_register_jit_icall_wrapper (callinfo, trampoline);
1695 callinfo->trampoline = trampoline;
1697 mono_domain_unlock (domain);
1698 mono_loader_unlock ();
1700 return callinfo->trampoline;
1704 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1706 return mono_icall_get_wrapper_full (callinfo, FALSE);
1710 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1712 if (!domain_jit_info (domain)->dynamic_code_hash)
1713 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1714 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1717 static MonoJitDynamicMethodInfo*
1718 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1720 MonoJitDynamicMethodInfo *res;
1722 if (domain_jit_info (domain)->dynamic_code_hash)
1723 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1731 GList *active, *inactive;
1736 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1738 MonoMethodVar *v1 = (MonoMethodVar*)a;
1739 MonoMethodVar *v2 = (MonoMethodVar*)b;
1743 else if (v1->interval->range && v2->interval->range)
1744 return v1->interval->range->from - v2->interval->range->from;
1745 else if (v1->interval->range)
1754 #define LSCAN_DEBUG(a) do { a; } while (0)
1756 #define LSCAN_DEBUG(a)
1760 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1762 int i, slot, offset, size;
1767 GList *vars = NULL, *l, *unhandled;
1768 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1771 gboolean reuse_slot;
1773 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1775 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1776 vtype_stack_slots = NULL;
1779 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1780 for (i = 0; i < cfg->num_varinfo; ++i)
1783 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1784 inst = cfg->varinfo [i];
1785 vmv = MONO_VARINFO (cfg, i);
1787 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1790 vars = g_list_prepend (vars, vmv);
1793 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1798 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1799 MonoMethodVar *current = unhandled->data;
1801 if (current->interval->range) {
1802 g_assert (current->interval->range->from >= i);
1803 i = current->interval->range->from;
1810 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1811 MonoMethodVar *current = unhandled->data;
1814 inst = cfg->varinfo [vmv->idx];
1816 t = mono_type_get_underlying_type (inst->inst_vtype);
1817 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1820 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1821 * pinvoke wrappers when they call functions returning structures */
1822 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1823 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1828 size = mono_type_size (t, &ialign);
1831 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1836 if (cfg->disable_reuse_stack_slots)
1840 case MONO_TYPE_GENERICINST:
1841 if (!mono_type_generic_inst_is_valuetype (t)) {
1842 slot_info = &scalar_stack_slots [t->type];
1846 case MONO_TYPE_VALUETYPE:
1847 if (!vtype_stack_slots)
1848 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1849 for (i = 0; i < nvtypes; ++i)
1850 if (t->data.klass == vtype_stack_slots [i].vtype)
1853 slot_info = &vtype_stack_slots [i];
1855 g_assert (nvtypes < 256);
1856 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1857 slot_info = &vtype_stack_slots [nvtypes];
1860 if (cfg->disable_reuse_ref_stack_slots)
1867 #if SIZEOF_VOID_P == 4
1872 if (cfg->disable_ref_noref_stack_slot_share) {
1873 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1878 case MONO_TYPE_CLASS:
1879 case MONO_TYPE_OBJECT:
1880 case MONO_TYPE_ARRAY:
1881 case MONO_TYPE_SZARRAY:
1882 case MONO_TYPE_STRING:
1883 /* Share non-float stack slots of the same size */
1884 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1885 if (cfg->disable_reuse_ref_stack_slots)
1890 slot_info = &scalar_stack_slots [t->type];
1894 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1898 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1900 if (!current->interval->range) {
1901 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1905 inst->flags |= MONO_INST_IS_DEAD;
1910 pos = current->interval->range->from;
1912 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1913 if (current->interval->range)
1914 LSCAN_DEBUG (mono_linterval_print (current->interval));
1915 LSCAN_DEBUG (printf ("\n"));
1917 /* Check for intervals in active which expired or inactive */
1919 /* FIXME: Optimize this */
1922 for (l = slot_info->active; l != NULL; l = l->next) {
1923 MonoMethodVar *v = (MonoMethodVar*)l->data;
1925 if (v->interval->last_range->to < pos) {
1926 slot_info->active = g_list_delete_link (slot_info->active, l);
1927 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1928 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1932 else if (!mono_linterval_covers (v->interval, pos)) {
1933 slot_info->inactive = g_list_append (slot_info->inactive, v);
1934 slot_info->active = g_list_delete_link (slot_info->active, l);
1935 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1942 /* Check for intervals in inactive which expired or active */
1944 /* FIXME: Optimize this */
1947 for (l = slot_info->inactive; l != NULL; l = l->next) {
1948 MonoMethodVar *v = (MonoMethodVar*)l->data;
1950 if (v->interval->last_range->to < pos) {
1951 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1952 // FIXME: Enabling this seems to cause impossible to debug crashes
1953 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1954 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1958 else if (mono_linterval_covers (v->interval, pos)) {
1959 slot_info->active = g_list_append (slot_info->active, v);
1960 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1961 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1969 * This also handles the case when the variable is used in an
1970 * exception region, as liveness info is not computed there.
1973 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1976 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1977 if (slot_info->slots) {
1978 slot = GPOINTER_TO_INT (slot_info->slots->data);
1980 slot_info->slots = slot_info->slots->next;
1983 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1985 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1991 static int count = 0;
1994 if (count == atoi (g_getenv ("COUNT3")))
1995 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1996 if (count > atoi (g_getenv ("COUNT3")))
1999 mono_print_ins (inst);
2004 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
2006 if (inst->flags & MONO_INST_LMF) {
2007 size = sizeof (MonoLMF);
2008 align = sizeof (mgreg_t);
2015 if (slot == 0xffffff) {
2017 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2018 * efficient copying (and to work around the fact that OP_MEMCPY
2019 * and OP_MEMSET ignores alignment).
2021 if (MONO_TYPE_ISSTRUCT (t)) {
2022 align = MAX (align, sizeof (gpointer));
2023 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2028 offset += align - 1;
2029 offset &= ~(align - 1);
2033 offset += align - 1;
2034 offset &= ~(align - 1);
2039 if (*stack_align == 0)
2040 *stack_align = align;
2043 offsets [vmv->idx] = slot;
2046 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2047 if (scalar_stack_slots [i].active)
2048 g_list_free (scalar_stack_slots [i].active);
2050 for (i = 0; i < nvtypes; ++i) {
2051 if (vtype_stack_slots [i].active)
2052 g_list_free (vtype_stack_slots [i].active);
2055 cfg->stat_locals_stack_size += offset;
2057 *stack_size = offset;
2062 * mono_allocate_stack_slots:
2064 * Allocate stack slots for all non register allocated variables using a
2065 * linear scan algorithm.
2066 * Returns: an array of stack offsets.
2067 * STACK_SIZE is set to the amount of stack space needed.
2068 * STACK_ALIGN is set to the alignment needed by the locals area.
2071 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2073 int i, slot, offset, size;
2078 GList *vars = NULL, *l;
2079 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2082 gboolean reuse_slot;
2084 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2085 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2087 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2088 vtype_stack_slots = NULL;
2091 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2092 for (i = 0; i < cfg->num_varinfo; ++i)
2095 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2096 inst = cfg->varinfo [i];
2097 vmv = MONO_VARINFO (cfg, i);
2099 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2102 vars = g_list_prepend (vars, vmv);
2105 vars = mono_varlist_sort (cfg, vars, 0);
2107 *stack_align = sizeof(mgreg_t);
2108 for (l = vars; l; l = l->next) {
2110 inst = cfg->varinfo [vmv->idx];
2112 t = mono_type_get_underlying_type (inst->inst_vtype);
2113 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2116 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2117 * pinvoke wrappers when they call functions returning structures */
2118 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2119 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2123 size = mono_type_size (t, &ialign);
2126 if (mono_class_from_mono_type (t)->exception_type)
2127 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2129 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2134 if (cfg->disable_reuse_stack_slots)
2138 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2141 case MONO_TYPE_GENERICINST:
2142 if (!mono_type_generic_inst_is_valuetype (t)) {
2143 slot_info = &scalar_stack_slots [t->type];
2147 case MONO_TYPE_VALUETYPE:
2148 if (!vtype_stack_slots)
2149 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2150 for (i = 0; i < nvtypes; ++i)
2151 if (t->data.klass == vtype_stack_slots [i].vtype)
2154 slot_info = &vtype_stack_slots [i];
2156 g_assert (nvtypes < 256);
2157 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2158 slot_info = &vtype_stack_slots [nvtypes];
2161 if (cfg->disable_reuse_ref_stack_slots)
2168 #if SIZEOF_VOID_P == 4
2173 if (cfg->disable_ref_noref_stack_slot_share) {
2174 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2179 case MONO_TYPE_CLASS:
2180 case MONO_TYPE_OBJECT:
2181 case MONO_TYPE_ARRAY:
2182 case MONO_TYPE_SZARRAY:
2183 case MONO_TYPE_STRING:
2184 /* Share non-float stack slots of the same size */
2185 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2186 if (cfg->disable_reuse_ref_stack_slots)
2190 case MONO_TYPE_MVAR:
2191 slot_info = &scalar_stack_slots [t->type];
2194 slot_info = &scalar_stack_slots [t->type];
2200 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2201 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2203 /* expire old intervals in active */
2204 while (slot_info->active) {
2205 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2207 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2210 //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);
2212 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2213 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2217 * This also handles the case when the variable is used in an
2218 * exception region, as liveness info is not computed there.
2221 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2224 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2225 if (slot_info->slots) {
2226 slot = GPOINTER_TO_INT (slot_info->slots->data);
2228 slot_info->slots = slot_info->slots->next;
2231 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2236 static int count = 0;
2240 if (count == atoi (g_getenv ("COUNT")))
2241 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2242 if (count > atoi (g_getenv ("COUNT")))
2245 mono_print_ins (inst);
2250 if (inst->flags & MONO_INST_LMF) {
2252 * This variable represents a MonoLMF structure, which has no corresponding
2253 * CLR type, so hard-code its size/alignment.
2255 size = sizeof (MonoLMF);
2256 align = sizeof (mgreg_t);
2263 if (slot == 0xffffff) {
2265 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2266 * efficient copying (and to work around the fact that OP_MEMCPY
2267 * and OP_MEMSET ignores alignment).
2269 if (MONO_TYPE_ISSTRUCT (t)) {
2270 align = MAX (align, sizeof (gpointer));
2271 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2273 * Align the size too so the code generated for passing vtypes in
2274 * registers doesn't overwrite random locals.
2276 size = (size + (align - 1)) & ~(align -1);
2281 offset += align - 1;
2282 offset &= ~(align - 1);
2286 offset += align - 1;
2287 offset &= ~(align - 1);
2292 *stack_align = MAX (*stack_align, align);
2295 offsets [vmv->idx] = slot;
2298 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2299 if (scalar_stack_slots [i].active)
2300 g_list_free (scalar_stack_slots [i].active);
2302 for (i = 0; i < nvtypes; ++i) {
2303 if (vtype_stack_slots [i].active)
2304 g_list_free (vtype_stack_slots [i].active);
2307 cfg->stat_locals_stack_size += offset;
2309 *stack_size = offset;
2316 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2318 g_assert_not_reached ();
2322 #endif /* DISABLE_JIT */
2324 #define EMUL_HIT_SHIFT 3
2325 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2326 /* small hit bitmap cache */
2327 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2328 static short emul_opcode_num = 0;
2329 static short emul_opcode_alloced = 0;
2330 static short *emul_opcode_opcodes = NULL;
2331 static MonoJitICallInfo **emul_opcode_map = NULL;
2334 mono_find_jit_opcode_emulation (int opcode)
2336 g_assert (opcode >= 0 && opcode <= OP_LAST);
2337 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2339 for (i = 0; i < emul_opcode_num; ++i) {
2340 if (emul_opcode_opcodes [i] == opcode)
2341 return emul_opcode_map [i];
2348 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
2350 MonoJitICallInfo *info;
2351 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2353 g_assert (!sig->hasthis);
2354 g_assert (sig->param_count < 3);
2356 info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol);
2358 if (emul_opcode_num >= emul_opcode_alloced) {
2359 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2360 emul_opcode_alloced += incr;
2361 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2362 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2364 emul_opcode_map [emul_opcode_num] = info;
2365 emul_opcode_opcodes [emul_opcode_num] = opcode;
2367 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2371 * For JIT icalls implemented in C.
2372 * NAME should be the same as the name of the C function whose address is FUNC.
2375 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2377 MonoMethodSignature *sig;
2380 sig = mono_create_icall_signature (sigstr);
2384 mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
2388 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2390 MonoMethodSignature *sig;
2393 sig = mono_create_icall_signature (sigstr);
2397 mono_register_jit_icall (func, name, sig, save);
2401 print_dfn (MonoCompile *cfg) {
2408 char *method_name = mono_method_full_name (cfg->method, TRUE);
2409 g_print ("IR code for method %s\n", method_name);
2410 g_free (method_name);
2413 for (i = 0; i < cfg->num_bblocks; ++i) {
2414 bb = cfg->bblocks [i];
2415 /*if (bb->cil_code) {
2416 char* code1, *code2;
2417 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2418 if (bb->last_ins->cil_code)
2419 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2421 code2 = g_strdup ("");
2423 code1 [strlen (code1) - 1] = 0;
2424 code = g_strdup_printf ("%s -> %s", code1, code2);
2428 code = g_strdup ("\n");
2429 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2430 MONO_BB_FOR_EACH_INS (bb, c) {
2431 mono_print_ins_index (-1, c);
2434 g_print ("\tprev:");
2435 for (j = 0; j < bb->in_count; ++j) {
2436 g_print (" BB%d", bb->in_bb [j]->block_num);
2438 g_print ("\t\tsucc:");
2439 for (j = 0; j < bb->out_count; ++j) {
2440 g_print (" BB%d", bb->out_bb [j]->block_num);
2442 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2445 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2448 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2450 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2458 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2460 MONO_ADD_INS (bb, inst);
2464 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2468 bb->code = ins_to_insert;
2470 /* Link with next */
2471 ins_to_insert->next = ins;
2473 ins->prev = ins_to_insert;
2475 if (bb->last_ins == NULL)
2476 bb->last_ins = ins_to_insert;
2478 /* Link with next */
2479 ins_to_insert->next = ins->next;
2481 ins->next->prev = ins_to_insert;
2483 /* Link with previous */
2484 ins->next = ins_to_insert;
2485 ins_to_insert->prev = ins;
2487 if (bb->last_ins == ins)
2488 bb->last_ins = ins_to_insert;
2493 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2498 ins->prev = ins_to_insert;
2499 bb->code = ins_to_insert;
2500 ins_to_insert->next = ins;
2501 if (bb->last_ins == NULL)
2502 bb->last_ins = ins_to_insert;
2504 /* Link with previous */
2506 ins->prev->next = ins_to_insert;
2507 ins_to_insert->prev = ins->prev;
2509 /* Link with next */
2510 ins->prev = ins_to_insert;
2511 ins_to_insert->next = ins;
2513 if (bb->code == ins)
2514 bb->code = ins_to_insert;
2519 * mono_verify_bblock:
2521 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2524 mono_verify_bblock (MonoBasicBlock *bb)
2526 MonoInst *ins, *prev;
2529 for (ins = bb->code; ins; ins = ins->next) {
2530 g_assert (ins->prev == prev);
2534 g_assert (!bb->last_ins->next);
2540 * Perform consistency checks on the JIT data structures and the IR
2543 mono_verify_cfg (MonoCompile *cfg)
2547 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2548 mono_verify_bblock (bb);
2552 mono_destroy_compile (MonoCompile *cfg)
2557 mono_metadata_free_mh (cfg->header);
2558 //mono_mempool_stats (cfg->mempool);
2559 mono_free_loop_info (cfg);
2561 mono_regstate_free (cfg->rs);
2563 g_hash_table_destroy (cfg->spvars);
2565 g_hash_table_destroy (cfg->exvars);
2566 for (l = cfg->headers_to_free; l; l = l->next)
2567 mono_metadata_free_mh (l->data);
2568 g_list_free (cfg->ldstr_list);
2569 g_hash_table_destroy (cfg->token_info_hash);
2570 if (cfg->abs_patches)
2571 g_hash_table_destroy (cfg->abs_patches);
2572 mono_mempool_destroy (cfg->mempool);
2574 mono_debug_free_method (cfg);
2576 g_free (cfg->varinfo);
2578 g_free (cfg->exception_message);
2582 #ifdef MONO_HAVE_FAST_TLS
2583 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2584 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2586 * When this is defined, the current lmf is stored in this tls variable instead of in
2589 MONO_FAST_TLS_DECLARE(mono_lmf);
2594 mono_get_jit_tls_key (void)
2596 return mono_jit_tls_id;
2600 mono_get_jit_tls_offset (void)
2603 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2608 mono_get_lmf_tls_offset (void)
2610 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2612 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2620 mono_get_lmf_addr_tls_offset (void)
2623 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2630 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2631 return MONO_FAST_TLS_GET (mono_lmf);
2633 MonoJitTlsData *jit_tls;
2635 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2636 return jit_tls->lmf;
2638 * We do not assert here because this function can be called from
2639 * mini-gc.c on a thread that has not executed any managed code, yet
2640 * (the thread object allocation can trigger a collection).
2647 mono_get_lmf_addr (void)
2649 #ifdef MONO_HAVE_FAST_TLS
2650 return MONO_FAST_TLS_GET (mono_lmf_addr);
2652 MonoJitTlsData *jit_tls;
2654 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2655 if (G_LIKELY (jit_tls))
2656 return &jit_tls->lmf;
2659 * When resolving the call to mono_jit_thread_attach full-aot will look
2660 * in the plt, which causes a call into the generic trampoline, which in turn
2661 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2662 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2663 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2666 mono_jit_thread_attach (NULL);
2668 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2669 return &jit_tls->lmf;
2671 g_assert_not_reached ();
2677 mono_set_lmf (MonoLMF *lmf)
2679 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2680 MONO_FAST_TLS_SET (mono_lmf, lmf);
2683 (*mono_get_lmf_addr ()) = lmf;
2687 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2689 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2691 #ifdef MONO_HAVE_FAST_TLS
2692 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2697 mono_set_lmf_addr (gpointer lmf_addr)
2699 #ifdef MONO_HAVE_FAST_TLS
2700 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2705 * mono_jit_thread_attach:
2707 * Called by native->managed wrappers. Returns the original domain which needs to be
2708 * restored, or NULL.
2711 mono_jit_thread_attach (MonoDomain *domain)
2717 * Happens when called from AOTed code which is only used in the root
2720 domain = mono_get_root_domain ();
2722 #ifdef MONO_HAVE_FAST_TLS
2723 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2724 mono_thread_attach (domain);
2726 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2729 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2730 mono_thread_attach (domain);
2731 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2734 orig = mono_domain_get ();
2736 mono_domain_set (domain, TRUE);
2738 return orig != domain ? orig : NULL;
2741 /* Called by native->managed wrappers */
2743 mono_jit_set_domain (MonoDomain *domain)
2746 mono_domain_set (domain, TRUE);
2750 * mono_thread_abort:
2751 * @obj: exception object
2753 * abort the thread, print exception information and stack trace
2756 mono_thread_abort (MonoObject *obj)
2758 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2760 /* handle_remove should be eventually called for this thread, too
2763 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2764 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2765 mono_thread_exit ();
2767 mono_invoke_unhandled_exception_hook (obj);
2772 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2774 MonoJitTlsData *jit_tls;
2777 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2781 jit_tls = g_new0 (MonoJitTlsData, 1);
2783 jit_tls->abort_func = abort_func;
2784 jit_tls->end_of_stack = stack_start;
2786 mono_set_jit_tls (jit_tls);
2788 lmf = g_new0 (MonoLMF, 1);
2789 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2791 jit_tls->first_lmf = lmf;
2793 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2794 /* jit_tls->lmf is unused */
2795 MONO_FAST_TLS_SET (mono_lmf, lmf);
2796 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2798 mono_set_lmf_addr (&jit_tls->lmf);
2803 #ifdef MONO_ARCH_HAVE_TLS_INIT
2804 mono_arch_tls_init ();
2807 mono_setup_altstack (jit_tls);
2813 free_jit_tls_data (MonoJitTlsData *jit_tls)
2815 mono_arch_free_jit_tls_data (jit_tls);
2816 mono_free_altstack (jit_tls);
2818 g_free (jit_tls->first_lmf);
2823 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2825 MonoInternalThread *thread;
2826 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2827 thread = mono_thread_internal_current ();
2828 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2830 thread->jit_data = jit_tls;
2832 mono_arch_cpu_init ();
2835 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2838 mono_thread_abort_dummy (MonoObject *obj)
2840 if (mono_thread_attach_aborted_cb)
2841 mono_thread_attach_aborted_cb (obj);
2843 mono_thread_abort (obj);
2847 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2849 MonoInternalThread *thread;
2850 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2851 thread = mono_thread_internal_current ();
2852 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2854 thread->jit_data = jit_tls;
2855 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2856 mono_runtime_setup_stat_profiler ();
2858 mono_arch_cpu_init ();
2862 mini_thread_cleanup (MonoInternalThread *thread)
2864 MonoJitTlsData *jit_tls = thread->jit_data;
2867 mono_debugger_thread_cleanup (jit_tls);
2869 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2870 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2871 * not a trivial thing.
2873 * The current offender is mono_thread_manage which cleanup threads from the outside.
2875 if (thread == mono_thread_internal_current ())
2876 mono_set_jit_tls (NULL);
2878 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2879 if (mono_get_lmf ()) {
2880 mono_set_lmf (NULL);
2881 mono_set_lmf_addr (NULL);
2884 free_jit_tls_data (jit_tls);
2886 thread->jit_data = NULL;
2891 mini_get_tls_offset (MonoTlsKey key)
2896 case TLS_KEY_THREAD:
2897 offset = mono_thread_get_tls_offset ();
2899 case TLS_KEY_JIT_TLS:
2900 offset = mono_get_jit_tls_offset ();
2902 case TLS_KEY_DOMAIN:
2903 offset = mono_domain_get_tls_offset ();
2906 offset = mono_get_lmf_tls_offset ();
2909 offset = mono_tls_key_get_offset (key);
2910 g_assert (offset != -1);
2919 mono_create_tls_get_offset (MonoCompile *cfg, int offset)
2923 if (!MONO_ARCH_HAVE_TLS_GET)
2929 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2930 ins->dreg = mono_alloc_preg (cfg);
2931 ins->inst_offset = offset;
2936 mono_create_tls_get (MonoCompile *cfg, MonoTlsKey key)
2939 * TLS offsets might be different at AOT time, so load them from a GOT slot and
2940 * use a different opcode.
2942 if (cfg->compile_aot) {
2943 if (MONO_ARCH_HAVE_TLS_GET && ARCH_HAVE_TLS_GET_REG) {
2946 EMIT_NEW_TLS_OFFSETCONST (cfg, c, key);
2947 MONO_INST_NEW (cfg, ins, OP_TLS_GET_REG);
2948 ins->dreg = mono_alloc_preg (cfg);
2949 ins->sreg1 = c->dreg;
2956 return mono_create_tls_get_offset (cfg, mini_get_tls_offset (key));
2960 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2962 return mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
2966 mono_get_domain_intrinsic (MonoCompile* cfg)
2968 return mono_create_tls_get (cfg, TLS_KEY_DOMAIN);
2972 mono_get_thread_intrinsic (MonoCompile* cfg)
2974 return mono_create_tls_get (cfg, TLS_KEY_THREAD);
2978 mono_get_lmf_intrinsic (MonoCompile* cfg)
2980 return mono_create_tls_get (cfg, TLS_KEY_LMF);
2983 #endif /* !DISABLE_JIT */
2986 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2988 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2992 ji->data.target = target;
2993 ji->next = cfg->patch_info;
2995 cfg->patch_info = ji;
2999 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
3001 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
3005 ji->data.target = target;
3012 mono_remove_patch_info (MonoCompile *cfg, int ip)
3014 MonoJumpInfo **ji = &cfg->patch_info;
3017 if ((*ji)->ip.i == ip)
3020 ji = &((*ji)->next);
3025 * mono_patch_info_dup_mp:
3027 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
3030 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
3032 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
3033 memcpy (res, patch_info, sizeof (MonoJumpInfo));
3035 switch (patch_info->type) {
3036 case MONO_PATCH_INFO_RVA:
3037 case MONO_PATCH_INFO_LDSTR:
3038 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3039 case MONO_PATCH_INFO_LDTOKEN:
3040 case MONO_PATCH_INFO_DECLSEC:
3041 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
3042 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
3044 case MONO_PATCH_INFO_SWITCH:
3045 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
3046 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
3047 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3048 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3050 case MONO_PATCH_INFO_RGCTX_FETCH:
3051 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
3052 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
3053 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
3055 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3056 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
3057 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3059 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3060 MonoGSharedVtMethodInfo *info;
3061 MonoGSharedVtMethodInfo *oinfo;
3064 oinfo = patch_info->data.gsharedvt_method;
3065 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
3066 res->data.gsharedvt_method = info;
3067 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
3068 info->entries = g_ptr_array_new ();
3069 if (oinfo->entries) {
3070 for (i = 0; i < oinfo->entries->len; ++i) {
3071 MonoRuntimeGenericContextInfoTemplate *otemplate = g_ptr_array_index (oinfo->entries, i);
3072 MonoRuntimeGenericContextInfoTemplate *template = mono_mempool_alloc0 (mp, sizeof (MonoRuntimeGenericContextInfoTemplate));
3074 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3075 g_ptr_array_add (info->entries, template);
3078 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
3079 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
3090 mono_patch_info_hash (gconstpointer data)
3092 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
3095 case MONO_PATCH_INFO_RVA:
3096 case MONO_PATCH_INFO_LDSTR:
3097 case MONO_PATCH_INFO_LDTOKEN:
3098 case MONO_PATCH_INFO_DECLSEC:
3099 return (ji->type << 8) | ji->data.token->token;
3100 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3101 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
3102 case MONO_PATCH_INFO_INTERNAL_METHOD:
3103 return (ji->type << 8) | g_str_hash (ji->data.name);
3104 case MONO_PATCH_INFO_VTABLE:
3105 case MONO_PATCH_INFO_CLASS:
3106 case MONO_PATCH_INFO_IID:
3107 case MONO_PATCH_INFO_ADJUSTED_IID:
3108 case MONO_PATCH_INFO_CLASS_INIT:
3109 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3110 case MONO_PATCH_INFO_METHODCONST:
3111 case MONO_PATCH_INFO_METHOD:
3112 case MONO_PATCH_INFO_METHOD_JUMP:
3113 case MONO_PATCH_INFO_IMAGE:
3114 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3115 case MONO_PATCH_INFO_ICALL_ADDR:
3116 case MONO_PATCH_INFO_FIELD:
3117 case MONO_PATCH_INFO_SFLDA:
3118 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3119 case MONO_PATCH_INFO_METHOD_RGCTX:
3120 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3121 case MONO_PATCH_INFO_SIGNATURE:
3122 case MONO_PATCH_INFO_TLS_OFFSET:
3123 return (ji->type << 8) | (gssize)ji->data.target;
3124 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3125 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
3126 case MONO_PATCH_INFO_RGCTX_FETCH: {
3127 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
3129 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
3131 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3132 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
3133 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
3134 case MONO_PATCH_INFO_JIT_TLS_ID:
3135 case MONO_PATCH_INFO_MONITOR_ENTER:
3136 case MONO_PATCH_INFO_MONITOR_EXIT:
3137 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3138 case MONO_PATCH_INFO_GOT_OFFSET:
3139 return (ji->type << 8);
3140 case MONO_PATCH_INFO_SWITCH:
3141 return (ji->type << 8) | ji->data.table->table_size;
3142 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3143 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
3144 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
3145 /* Hash on the selector name */
3146 return g_str_hash (ji->data.target);
3148 printf ("info type: %d\n", ji->type);
3149 mono_print_ji (ji); printf ("\n");
3150 g_assert_not_reached ();
3156 * mono_patch_info_equal:
3158 * This might fail to recognize equivalent patches, i.e. floats, so its only
3159 * usable in those cases where this is not a problem, i.e. sharing GOT slots
3163 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
3165 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
3166 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
3168 if (ji1->type != ji2->type)
3171 switch (ji1->type) {
3172 case MONO_PATCH_INFO_RVA:
3173 case MONO_PATCH_INFO_LDSTR:
3174 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3175 case MONO_PATCH_INFO_LDTOKEN:
3176 case MONO_PATCH_INFO_DECLSEC:
3177 if ((ji1->data.token->image != ji2->data.token->image) ||
3178 (ji1->data.token->token != ji2->data.token->token) ||
3179 (ji1->data.token->has_context != ji2->data.token->has_context) ||
3180 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
3181 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
3184 case MONO_PATCH_INFO_INTERNAL_METHOD:
3185 return g_str_equal (ji1->data.name, ji2->data.name);
3186 case MONO_PATCH_INFO_RGCTX_FETCH: {
3187 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3188 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3190 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);
3192 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3193 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
3194 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
3196 return c1->sig == c2->sig && c1->method == c2->method;
3198 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3199 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
3201 if (ji1->data.target != ji2->data.target)
3210 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3212 unsigned char *ip = patch_info->ip.i + code;
3213 gconstpointer target = NULL;
3215 switch (patch_info->type) {
3216 case MONO_PATCH_INFO_BB:
3218 * FIXME: This could be hit for methods without a prolog. Should use -1
3219 * but too much code depends on a 0 initial value.
3221 //g_assert (patch_info->data.bb->native_offset);
3222 target = patch_info->data.bb->native_offset + code;
3224 case MONO_PATCH_INFO_ABS:
3225 target = patch_info->data.target;
3227 case MONO_PATCH_INFO_LABEL:
3228 target = patch_info->data.inst->inst_c0 + code;
3230 case MONO_PATCH_INFO_IP:
3231 #if defined(__native_client__) && defined(__native_client_codegen__)
3232 /* Need to transform to the destination address, it's */
3233 /* emitted as an immediate in the code. */
3234 target = nacl_inverse_modify_patch_target(ip);
3239 case MONO_PATCH_INFO_METHOD_REL:
3240 target = code + patch_info->data.offset;
3242 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3243 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3245 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3246 g_assert_not_reached ();
3248 target = mono_icall_get_wrapper (mi);
3251 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3252 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3254 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3255 g_assert_not_reached ();
3260 case MONO_PATCH_INFO_METHOD_JUMP:
3261 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3262 #if defined(__native_client__) && defined(__native_client_codegen__)
3263 # if defined(TARGET_AMD64)
3264 /* This target is an absolute address, not relative to the */
3265 /* current code being emitted on AMD64. */
3266 target = nacl_inverse_modify_patch_target(target);
3270 case MONO_PATCH_INFO_METHOD:
3271 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
3273 * If we use jumptables, for recursive calls we cannot
3274 * avoid trampoline, as we not yet know where we will
3277 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3279 if (patch_info->data.method == method) {
3282 /* get the trampoline to the method from the domain */
3283 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3287 case MONO_PATCH_INFO_SWITCH: {
3288 gpointer *jump_table;
3290 #if defined(__native_client__) && defined(__native_client_codegen__)
3291 /* This memory will leak, but we don't care if we're */
3292 /* not deleting JIT'd methods anyway */
3293 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3295 if (method && method->dynamic) {
3296 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3298 if (mono_aot_only) {
3299 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3301 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3306 for (i = 0; i < patch_info->data.table->table_size; i++) {
3307 #if defined(__native_client__) && defined(__native_client_codegen__)
3308 /* 'code' is relative to the current code blob, we */
3309 /* need to do this transform on it to make the */
3310 /* pointers in this table absolute */
3311 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3313 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3317 #if defined(__native_client__) && defined(__native_client_codegen__)
3318 /* jump_table is in the data section, we need to transform */
3319 /* it here so when it gets modified in amd64_patch it will */
3320 /* then point back to the absolute data address */
3321 target = nacl_inverse_modify_patch_target (jump_table);
3323 target = jump_table;
3327 case MONO_PATCH_INFO_METHODCONST:
3328 case MONO_PATCH_INFO_CLASS:
3329 case MONO_PATCH_INFO_IMAGE:
3330 case MONO_PATCH_INFO_FIELD:
3331 case MONO_PATCH_INFO_SIGNATURE:
3332 target = patch_info->data.target;
3334 case MONO_PATCH_INFO_IID:
3335 mono_class_init (patch_info->data.klass);
3336 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3338 case MONO_PATCH_INFO_ADJUSTED_IID:
3339 mono_class_init (patch_info->data.klass);
3340 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3342 case MONO_PATCH_INFO_VTABLE:
3343 target = mono_class_vtable (domain, patch_info->data.klass);
3346 case MONO_PATCH_INFO_CLASS_INIT: {
3347 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3350 target = mono_create_class_init_trampoline (vtable);
3353 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3354 target = mono_create_delegate_trampoline (domain, patch_info->data.klass);
3356 case MONO_PATCH_INFO_SFLDA: {
3357 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3359 if (mono_class_field_is_special_static (patch_info->data.field)) {
3360 gpointer addr = NULL;
3362 mono_domain_lock (domain);
3363 if (domain->special_static_fields)
3364 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3365 mono_domain_unlock (domain);
3371 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3372 /* Done by the generated code */
3376 mono_runtime_class_init (vtable);
3378 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3381 case MONO_PATCH_INFO_RVA: {
3382 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3385 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3386 target = mono_image_rva_map (patch_info->data.token->image, rva);
3389 case MONO_PATCH_INFO_R4:
3390 case MONO_PATCH_INFO_R8:
3391 target = patch_info->data.target;
3393 case MONO_PATCH_INFO_EXC_NAME:
3394 target = patch_info->data.name;
3396 case MONO_PATCH_INFO_LDSTR:
3398 mono_ldstr (domain, patch_info->data.token->image,
3399 mono_metadata_token_index (patch_info->data.token->token));
3401 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3403 MonoClass *handle_class;
3405 handle = mono_ldtoken (patch_info->data.token->image,
3406 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3407 mono_class_init (handle_class);
3408 mono_class_init (mono_class_from_mono_type (handle));
3411 mono_type_get_object (domain, handle);
3414 case MONO_PATCH_INFO_LDTOKEN: {
3416 MonoClass *handle_class;
3418 handle = mono_ldtoken (patch_info->data.token->image,
3419 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3420 mono_class_init (handle_class);
3425 case MONO_PATCH_INFO_DECLSEC:
3426 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3428 case MONO_PATCH_INFO_ICALL_ADDR:
3429 /* run_cctors == 0 -> AOT */
3430 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3431 const char *exc_class;
3432 const char *exc_arg;
3435 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3438 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3439 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));
3445 target = mono_lookup_internal_call (patch_info->data.method);
3447 if (!target && run_cctors)
3448 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3451 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3452 target = mono_thread_interruption_request_flag ();
3454 case MONO_PATCH_INFO_METHOD_RGCTX: {
3455 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3458 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3461 case MONO_PATCH_INFO_BB_OVF:
3462 case MONO_PATCH_INFO_EXC_OVF:
3463 case MONO_PATCH_INFO_GOT_OFFSET:
3464 case MONO_PATCH_INFO_NONE:
3466 case MONO_PATCH_INFO_RGCTX_FETCH: {
3467 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3470 switch (entry->data->type) {
3471 case MONO_PATCH_INFO_CLASS:
3472 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));
3474 case MONO_PATCH_INFO_METHOD:
3475 case MONO_PATCH_INFO_METHODCONST:
3476 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));
3478 case MONO_PATCH_INFO_FIELD:
3479 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));
3481 case MONO_PATCH_INFO_SIGNATURE:
3482 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));
3484 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3485 MonoJumpInfoGSharedVtCall *call_info = g_malloc0 (sizeof (MonoJumpInfoGSharedVtCall)); //mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
3487 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3488 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
3491 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3492 MonoGSharedVtMethodInfo *info;
3493 MonoGSharedVtMethodInfo *oinfo = entry->data->data.gsharedvt_method;
3496 /* Make a copy into the domain mempool */
3497 info = g_malloc0 (sizeof (MonoGSharedVtMethodInfo)); //mono_domain_alloc0 (domain, sizeof (MonoGSharedVtMethodInfo));
3498 info->method = oinfo->method;
3499 info->entries = g_ptr_array_new ();
3500 for (i = 0; i < oinfo->entries->len; ++i) {
3501 MonoRuntimeGenericContextInfoTemplate *otemplate = g_ptr_array_index (oinfo->entries, i);
3502 MonoRuntimeGenericContextInfoTemplate *template = g_malloc0 (sizeof (MonoRuntimeGenericContextInfoTemplate));
3504 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3505 g_ptr_array_add (info->entries, template);
3507 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, info, entry->info_type, mono_method_get_context (entry->method));
3511 g_assert_not_reached ();
3515 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3518 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3519 target = mono_create_generic_class_init_trampoline ();
3521 case MONO_PATCH_INFO_MONITOR_ENTER:
3522 target = mono_create_monitor_enter_trampoline ();
3524 case MONO_PATCH_INFO_MONITOR_EXIT:
3525 target = mono_create_monitor_exit_trampoline ();
3527 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3528 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3530 /* AOT, not needed */
3533 target = mono_arch_get_seq_point_info (domain, code);
3536 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3537 #ifdef MONO_ARCH_LLVM_SUPPORTED
3538 g_assert (mono_use_llvm);
3539 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3541 g_assert_not_reached ();
3544 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3545 int card_table_shift_bits;
3546 gpointer card_table_mask;
3548 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3551 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3552 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3555 case MONO_PATCH_INFO_JIT_TLS_ID: {
3556 target = (gpointer) (size_t) mono_jit_tls_id;
3559 case MONO_PATCH_INFO_TLS_OFFSET:
3560 target = GINT_TO_POINTER (mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target)));
3562 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
3567 g_assert_not_reached ();
3570 return (gpointer)target;
3574 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3576 ins->inst_offset = native_offset;
3577 g_ptr_array_add (cfg->seq_points, ins);
3579 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3580 bb->last_seq_point = ins;
3585 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3587 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3590 g_assert (offset == 0);
3592 entry->is_reg = is_reg;
3594 entry->offset = offset;
3598 if (var == cfg->args [0])
3599 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3600 else if (var == cfg->rgctx_var)
3601 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3607 mono_compile_create_vars (MonoCompile *cfg)
3609 MonoMethodSignature *sig;
3610 MonoMethodHeader *header;
3613 header = cfg->header;
3615 sig = mono_method_signature (cfg->method);
3617 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3618 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3619 /* Inhibit optimizations */
3620 cfg->ret->flags |= MONO_INST_VOLATILE;
3622 if (cfg->verbose_level > 2)
3623 g_print ("creating vars\n");
3625 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3628 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3630 for (i = 0; i < sig->param_count; ++i) {
3631 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3634 if (cfg->verbose_level > 2) {
3636 printf ("\treturn : ");
3637 mono_print_ins (cfg->ret);
3641 printf ("\tthis: ");
3642 mono_print_ins (cfg->args [0]);
3645 for (i = 0; i < sig->param_count; ++i) {
3646 printf ("\targ [%d]: ", i);
3647 mono_print_ins (cfg->args [i + sig->hasthis]);
3651 cfg->locals_start = cfg->num_varinfo;
3652 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3654 if (cfg->verbose_level > 2)
3655 g_print ("creating locals\n");
3657 for (i = 0; i < header->num_locals; ++i)
3658 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3660 if (cfg->verbose_level > 2)
3661 g_print ("locals done\n");
3663 mono_arch_create_vars (cfg);
3667 mono_print_code (MonoCompile *cfg, const char* msg)
3671 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3672 mono_print_bb (bb, msg);
3676 mono_postprocess_patches (MonoCompile *cfg)
3678 MonoJumpInfo *patch_info;
3681 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3682 switch (patch_info->type) {
3683 case MONO_PATCH_INFO_ABS: {
3684 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3687 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3691 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3692 /* for these array methods we currently register the same function pointer
3693 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3694 * will return the incorrect one depending on the order they are registered.
3695 * See tests/test-arr.cs
3697 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3698 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3699 patch_info->data.name = info->name;
3703 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3704 if (cfg->abs_patches) {
3705 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3707 patch_info->type = abs_ji->type;
3708 patch_info->data.target = abs_ji->data.target;
3715 case MONO_PATCH_INFO_SWITCH: {
3717 #if defined(__native_client__) && defined(__native_client_codegen__)
3718 /* This memory will leak. */
3719 /* TODO: can we free this when */
3720 /* making the final jump table? */
3721 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3723 if (cfg->method->dynamic) {
3724 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3726 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3730 for (i = 0; i < patch_info->data.table->table_size; i++) {
3731 /* Might be NULL if the switch is eliminated */
3732 if (patch_info->data.table->table [i]) {
3733 g_assert (patch_info->data.table->table [i]->native_offset);
3734 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3739 patch_info->data.table->table = (MonoBasicBlock**)table;
3742 case MONO_PATCH_INFO_METHOD_JUMP: {
3743 MonoJumpList *jlist;
3744 MonoDomain *domain = cfg->domain;
3745 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3746 #if defined(__native_client__) && defined(__native_client_codegen__)
3747 /* When this jump target gets evaluated, the method */
3748 /* will be installed in the dynamic code section, */
3749 /* not at the location of cfg->native_code. */
3750 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3753 mono_domain_lock (domain);
3754 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3756 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3757 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3759 jlist->list = g_slist_prepend (jlist->list, ip);
3760 mono_domain_unlock (domain);
3771 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3774 MonoBasicBlock *in_bb;
3777 for (i = 0; i < bb->in_count; ++i) {
3778 in_bb = bb->in_bb [i];
3780 if (in_bb->last_seq_point) {
3781 int src_index = in_bb->last_seq_point->backend.size;
3782 int dst_index = ins->backend.size;
3784 /* bb->in_bb might contain duplicates */
3785 for (l = next [src_index]; l; l = l->next)
3786 if (GPOINTER_TO_UINT (l->data) == dst_index)
3789 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
3791 /* Have to look at its predecessors */
3793 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3799 mono_save_seq_point_info (MonoCompile *cfg)
3802 GSList *bb_seq_points, *l;
3804 MonoDomain *domain = cfg->domain;
3806 MonoSeqPointInfo *info;
3809 if (!cfg->seq_points)
3812 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len * sizeof (SeqPoint)));
3813 info->len = cfg->seq_points->len;
3814 for (i = 0; i < cfg->seq_points->len; ++i) {
3815 SeqPoint *sp = &info->seq_points [i];
3816 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3818 sp->il_offset = ins->inst_imm;
3819 sp->native_offset = ins->inst_offset;
3820 if (ins->flags & MONO_INST_NONEMPTY_STACK)
3821 sp->flags |= MONO_SEQ_POINT_FLAG_NONEMPTY_STACK;
3824 ins->backend.size = i;
3828 * For each sequence point, compute the list of sequence points immediately
3829 * following it, this is needed to implement 'step over' in the debugger agent.
3831 next = g_new0 (GSList*, cfg->seq_points->len);
3832 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3833 bb_seq_points = g_slist_reverse (bb->seq_points);
3835 for (l = bb_seq_points; l; l = l->next) {
3836 MonoInst *ins = l->data;
3838 if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
3839 /* Used to implement method entry/exit events */
3841 if (ins->inst_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE)
3845 /* Link with the previous seq point in the same bb */
3846 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3848 /* Link with the last bb in the previous bblocks */
3849 collect_pred_seq_points (bb, ins, next, 0);
3855 if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY && bb->seq_points) {
3856 MonoBasicBlock *bb2;
3857 MonoInst *endfinally_seq_point = NULL;
3860 * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
3862 l = g_slist_last (bb->seq_points);
3864 endfinally_seq_point = l->data;
3866 for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
3867 GSList *l = g_slist_last (bb2->seq_points);
3870 MonoInst *ins = l->data;
3872 if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
3873 next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3880 if (cfg->verbose_level > 2) {
3881 printf ("\nSEQ POINT MAP: \n");
3884 for (i = 0; i < cfg->seq_points->len; ++i) {
3885 SeqPoint *sp = &info->seq_points [i];
3889 sp->next_len = g_slist_length (next [i]);
3890 sp->next = g_new (int, sp->next_len);
3892 if (cfg->verbose_level > 2 && next [i]) {
3893 printf ("\tIL0x%x ->", sp->il_offset);
3894 for (l = next [i]; l; l = l->next) {
3895 next_index = GPOINTER_TO_UINT (l->data);
3896 printf (" IL0x%x", info->seq_points [next_index].il_offset);
3900 for (l = next [i]; l; l = l->next) {
3901 next_index = GPOINTER_TO_UINT (l->data);
3902 sp->next [j ++] = next_index;
3904 g_slist_free (next [i]);
3908 cfg->seq_point_info = info;
3910 // FIXME: dynamic methods
3911 if (!cfg->compile_aot) {
3912 mono_domain_lock (domain);
3913 // FIXME: How can the lookup succeed ?
3914 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3915 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3916 mono_domain_unlock (domain);
3919 g_ptr_array_free (cfg->seq_points, TRUE);
3920 cfg->seq_points = NULL;
3924 mono_codegen (MonoCompile *cfg)
3927 int max_epilog_size;
3929 MonoDomain *code_domain;
3931 if (mono_using_xdebug)
3933 * Recent gdb versions have trouble processing symbol files containing
3934 * overlapping address ranges, so allocate all code from the code manager
3935 * of the root domain. (#666152).
3937 code_domain = mono_get_root_domain ();
3939 code_domain = cfg->domain;
3941 #if defined(__native_client_codegen__) && defined(__native_client__)
3944 /* This keeps patch targets from being transformed during
3945 * ordinary method compilation, for local branches and jumps.
3947 nacl_allow_target_modification (FALSE);
3950 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3951 cfg->spill_count = 0;
3952 /* we reuse dfn here */
3953 /* bb->dfn = bb_count++; */
3955 mono_arch_lowering_pass (cfg, bb);
3957 if (cfg->opt & MONO_OPT_PEEPHOLE)
3958 mono_arch_peephole_pass_1 (cfg, bb);
3961 mono_local_regalloc (cfg, bb);
3963 if (cfg->opt & MONO_OPT_PEEPHOLE)
3964 mono_arch_peephole_pass_2 (cfg, bb);
3967 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3968 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3970 code = mono_arch_emit_prolog (cfg);
3972 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3973 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3975 cfg->code_len = code - cfg->native_code;
3976 cfg->prolog_end = cfg->code_len;
3978 mono_debug_open_method (cfg);
3980 /* emit code all basic blocks */
3981 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3982 bb->native_offset = cfg->code_len;
3983 bb->real_native_offset = cfg->code_len;
3984 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3985 mono_arch_output_basic_block (cfg, bb);
3986 bb->native_length = cfg->code_len - bb->native_offset;
3988 if (bb == cfg->bb_exit) {
3989 cfg->epilog_begin = cfg->code_len;
3991 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3992 code = cfg->native_code + cfg->code_len;
3993 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3994 cfg->code_len = code - cfg->native_code;
3995 g_assert (cfg->code_len < cfg->code_size);
3998 mono_arch_emit_epilog (cfg);
4002 #ifdef __native_client_codegen__
4003 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4005 mono_arch_emit_exceptions (cfg);
4007 max_epilog_size = 0;
4009 /* we always allocate code in cfg->domain->code_mp to increase locality */
4010 cfg->code_size = cfg->code_len + max_epilog_size;
4011 #ifdef __native_client_codegen__
4012 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
4014 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
4016 if (cfg->method->dynamic) {
4017 guint unwindlen = 0;
4018 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4019 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4021 /* Allocate the code into a separate memory pool so it can be freed */
4022 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
4023 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
4024 mono_domain_lock (cfg->domain);
4025 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
4026 mono_domain_unlock (cfg->domain);
4028 if (mono_using_xdebug)
4029 /* See the comment for cfg->code_domain */
4030 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4032 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
4034 guint unwindlen = 0;
4035 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4036 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4038 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4040 #if defined(__native_client_codegen__) && defined(__native_client__)
4041 nacl_allow_target_modification (TRUE);
4045 memcpy (code, cfg->native_code, cfg->code_len);
4046 #if defined(__default_codegen__)
4047 g_free (cfg->native_code);
4048 #elif defined(__native_client_codegen__)
4049 if (cfg->native_code_alloc) {
4050 g_free (cfg->native_code_alloc);
4051 cfg->native_code_alloc = 0;
4053 else if (cfg->native_code) {
4054 g_free (cfg->native_code);
4056 #endif /* __native_client_codegen__ */
4057 cfg->native_code = code;
4058 code = cfg->native_code + cfg->code_len;
4060 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
4061 mono_postprocess_patches (cfg);
4063 #ifdef VALGRIND_JIT_REGISTER_MAP
4064 if (valgrind_register){
4065 char* nm = mono_method_full_name (cfg->method, TRUE);
4066 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
4071 if (cfg->verbose_level > 0) {
4072 char* nm = mono_method_full_name (cfg->method, TRUE);
4073 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
4075 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4080 gboolean is_generic = FALSE;
4082 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
4083 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
4087 if (cfg->generic_sharing_context)
4088 g_assert (is_generic);
4091 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
4092 mono_arch_save_unwind_info (cfg);
4095 #if defined(__native_client_codegen__) && defined(__native_client__)
4096 if (!cfg->compile_aot) {
4097 if (cfg->method->dynamic) {
4098 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
4100 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
4105 #if defined(__native_client_codegen__)
4106 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4109 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);
4111 if (cfg->method->dynamic) {
4112 if (mono_using_xdebug)
4113 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4115 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
4117 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4119 #if defined(__native_client_codegen__) && defined(__native_client__)
4120 cfg->native_code = code_dest;
4122 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
4124 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
4126 mono_debug_close_method (cfg);
4128 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4129 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
4134 compute_reachable (MonoBasicBlock *bb)
4138 if (!(bb->flags & BB_VISITED)) {
4139 bb->flags |= BB_VISITED;
4140 for (i = 0; i < bb->out_count; ++i)
4141 compute_reachable (bb->out_bb [i]);
4146 mono_handle_out_of_line_bblock (MonoCompile *cfg)
4149 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4150 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
4152 MONO_INST_NEW (cfg, ins, OP_BR);
4153 MONO_ADD_INS (bb, ins);
4154 ins->inst_target_bb = bb->next_bb;
4159 #endif /* #ifndef DISABLE_JIT */
4162 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
4164 MonoDomain *domain = mono_get_root_domain ();
4169 if (info->uw_info) {
4170 uw_info = info->uw_info;
4171 info_len = info->uw_info_len;
4173 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4176 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4177 jinfo->d.method = wrapper;
4178 jinfo->code_start = info->code;
4179 jinfo->code_size = info->code_size;
4180 jinfo->used_regs = mono_cache_unwind_info (uw_info, info_len);
4188 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
4191 MonoMethodHeader *header;
4194 int generic_info_size, arch_eh_info_size = 0;
4195 int holes_size = 0, num_holes = 0, cas_size = 0;
4196 guint32 stack_size = 0;
4198 g_assert (method_to_compile == cfg->method);
4199 header = cfg->header;
4201 if (cfg->generic_sharing_context)
4202 generic_info_size = sizeof (MonoGenericJitInfo);
4204 generic_info_size = 0;
4206 if (cfg->arch_eh_jit_info) {
4207 MonoJitArgumentInfo *arg_info;
4208 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
4211 * This cannot be computed during stack walking, as
4212 * mono_arch_get_argument_info () is not signal safe.
4214 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
4215 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
4218 arch_eh_info_size = sizeof (MonoArchEHJitInfo);
4221 if (cfg->try_block_holes) {
4222 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4223 TryBlockHole *hole = tmp->data;
4224 MonoExceptionClause *ec = hole->clause;
4225 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
4226 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4227 g_assert (clause_last_bb);
4229 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4230 if (clause_last_bb->native_offset != hole_end)
4234 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
4235 if (G_UNLIKELY (cfg->verbose_level >= 4))
4236 printf ("Number of try block holes %d\n", num_holes);
4239 if (mono_security_method_has_declsec (cfg->method_to_register)) {
4240 cas_size = sizeof (MonoMethodCasInfo);
4243 if (COMPILE_LLVM (cfg))
4244 num_clauses = cfg->llvm_ex_info_len;
4246 num_clauses = header->num_clauses;
4248 if (cfg->method->dynamic) {
4249 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
4250 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4252 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
4253 (num_clauses * sizeof (MonoJitExceptionInfo)) +
4254 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4257 jinfo->d.method = cfg->method_to_register;
4258 jinfo->code_start = cfg->native_code;
4259 jinfo->code_size = cfg->code_len;
4260 jinfo->used_regs = cfg->used_int_regs;
4261 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4262 jinfo->num_clauses = num_clauses;
4264 if (COMPILE_LLVM (cfg))
4265 jinfo->from_llvm = TRUE;
4267 if (cfg->generic_sharing_context) {
4269 MonoGenericJitInfo *gi;
4270 GSList *loclist = NULL;
4272 jinfo->has_generic_jit_info = 1;
4274 gi = mono_jit_info_get_generic_jit_info (jinfo);
4277 if (cfg->method->dynamic)
4278 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4280 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4281 memcpy (gi->generic_sharing_context, cfg->generic_sharing_context, sizeof (MonoGenericSharingContext));
4283 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4284 mini_method_get_context (method_to_compile)->method_inst ||
4285 method_to_compile->klass->valuetype) {
4286 g_assert (cfg->rgctx_var);
4291 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4292 mini_method_get_context (method_to_compile)->method_inst ||
4293 method_to_compile->klass->valuetype) {
4294 inst = cfg->rgctx_var;
4295 if (!COMPILE_LLVM (cfg))
4296 g_assert (inst->opcode == OP_REGOFFSET);
4297 loclist = cfg->rgctx_loclist;
4299 inst = cfg->args [0];
4300 loclist = cfg->this_loclist;
4304 /* Needed to handle async exceptions */
4308 gi->nlocs = g_slist_length (loclist);
4309 if (cfg->method->dynamic)
4310 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4312 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4314 for (l = loclist; l; l = l->next) {
4315 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4320 if (COMPILE_LLVM (cfg)) {
4321 g_assert (cfg->llvm_this_reg != -1);
4322 gi->this_in_reg = 0;
4323 gi->this_reg = cfg->llvm_this_reg;
4324 gi->this_offset = cfg->llvm_this_offset;
4325 } else if (inst->opcode == OP_REGVAR) {
4326 gi->this_in_reg = 1;
4327 gi->this_reg = inst->dreg;
4329 g_assert (inst->opcode == OP_REGOFFSET);
4331 g_assert (inst->inst_basereg == X86_EBP);
4332 #elif defined(TARGET_AMD64)
4333 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4335 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4337 gi->this_in_reg = 0;
4338 gi->this_reg = inst->inst_basereg;
4339 gi->this_offset = inst->inst_offset;
4344 MonoTryBlockHoleTableJitInfo *table;
4347 jinfo->has_try_block_holes = 1;
4348 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4349 table->num_holes = (guint16)num_holes;
4351 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4352 guint32 start_bb_offset;
4353 MonoTryBlockHoleJitInfo *hole;
4354 TryBlockHole *hole_data = tmp->data;
4355 MonoExceptionClause *ec = hole_data->clause;
4356 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4357 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4358 g_assert (clause_last_bb);
4360 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4361 if (clause_last_bb->native_offset == hole_end)
4364 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4365 hole = &table->holes [i++];
4366 hole->clause = hole_data->clause - &header->clauses [0];
4367 hole->offset = (guint32)hole_data->start_offset;
4368 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4370 if (G_UNLIKELY (cfg->verbose_level >= 4))
4371 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4373 g_assert (i == num_holes);
4376 if (arch_eh_info_size) {
4377 MonoArchEHJitInfo *info;
4379 jinfo->has_arch_eh_info = 1;
4380 info = mono_jit_info_get_arch_eh_info (jinfo);
4382 info->stack_size = stack_size;
4386 jinfo->has_cas_info = 1;
4389 if (COMPILE_LLVM (cfg)) {
4391 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4392 } else if (header->num_clauses) {
4395 for (i = 0; i < header->num_clauses; i++) {
4396 MonoExceptionClause *ec = &header->clauses [i];
4397 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4398 MonoBasicBlock *tblock;
4401 ei->flags = ec->flags;
4403 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4404 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4406 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4407 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4409 ei->data.filter = cfg->native_code + tblock->native_offset;
4411 ei->data.catch_class = ec->data.catch_class;
4414 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4416 g_assert (tblock->native_offset);
4417 ei->try_start = cfg->native_code + tblock->native_offset;
4418 if (tblock->extend_try_block) {
4420 * Extend the try block backwards to include parts of the previous call
4423 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4425 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4427 if (!tblock->native_offset) {
4429 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4430 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4431 if (bb && bb->native_offset) {
4437 ei->try_end = cfg->native_code + tblock->native_offset;
4438 g_assert (tblock->native_offset);
4439 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4441 ei->handler_start = cfg->native_code + tblock->native_offset;
4443 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4444 TryBlockHole *hole = tmp->data;
4445 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4446 if (hole->clause == ec && hole_end == ei->try_end) {
4447 if (G_UNLIKELY (cfg->verbose_level >= 4))
4448 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4450 ei->try_end = cfg->native_code + hole->start_offset;
4455 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4457 if (ec->handler_offset + ec->handler_len < header->code_size) {
4458 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4459 if (tblock->native_offset) {
4460 end_offset = tblock->native_offset;
4464 for (j = ec->handler_offset + ec->handler_len, end = ec->handler_offset; j >= end; --j) {
4465 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4466 if (bb && bb->native_offset) {
4471 end_offset = tblock->native_offset + tblock->native_length;
4474 end_offset = cfg->epilog_begin;
4476 ei->data.handler_end = cfg->native_code + end_offset;
4481 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4483 for (i = 0; i < jinfo->num_clauses; i++) {
4484 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4485 int start = (guint8*)ei->try_start - cfg->native_code;
4486 int end = (guint8*)ei->try_end - cfg->native_code;
4487 int handler = (guint8*)ei->handler_start - cfg->native_code;
4488 int handler_end = (guint8*)ei->data.handler_end - cfg->native_code;
4490 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x-%x\n", i, ei->flags, start, end, handler, handler_end);
4495 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4496 * using it during runtime, hence the define.
4498 #ifdef MONO_ARCH_HAVE_XP_UNWIND
4499 if (cfg->encoded_unwind_ops) {
4500 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4501 g_free (cfg->encoded_unwind_ops);
4502 } else if (cfg->unwind_ops) {
4504 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4506 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4507 g_free (unwind_info);
4516 get_gsharedvt_type (MonoType *t)
4518 MonoGenericParam *par = t->data.generic_param;
4522 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4523 * a different instantiation.
4525 g_assert (mono_generic_param_info (par));
4526 par = g_memdup (par, sizeof (MonoGenericParamFull));
4529 par->image = mono_defaults.corlib;
4531 res = mono_metadata_type_dup (NULL, t);
4532 res->data.generic_param = par;
4538 is_gsharedvt_type (MonoType *t)
4540 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4543 /* Return whenever METHOD is a gsharedvt method */
4545 is_gsharedvt_method (MonoMethod *method)
4547 MonoGenericContext *context;
4548 MonoGenericInst *inst;
4551 if (!method->is_inflated)
4553 context = mono_method_get_context (method);
4554 inst = context->class_inst;
4556 for (i = 0; i < inst->type_argc; ++i)
4557 if (is_gsharedvt_type (inst->type_argv [i]))
4560 inst = context->method_inst;
4562 for (i = 0; i < inst->type_argc; ++i)
4563 if (is_gsharedvt_type (inst->type_argv [i]))
4570 is_open_method (MonoMethod *method)
4572 MonoGenericContext *context;
4574 if (!method->is_inflated)
4576 context = mono_method_get_context (method);
4577 if (context->class_inst && context->class_inst->is_open)
4579 if (context->method_inst && context->method_inst->is_open)
4584 static MonoGenericInst*
4585 get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
4587 MonoGenericInst *res;
4588 MonoType **type_argv;
4591 type_argv = g_new0 (MonoType*, inst->type_argc);
4592 for (i = 0; i < inst->type_argc; ++i) {
4593 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)) {
4594 type_argv [i] = shared_inst->type_argv [i];
4595 } else if (all_vt) {
4596 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4597 } else if (gsharedvt) {
4598 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4600 type_argv [i] = inst->type_argv [i];
4604 res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4610 * mini_get_shared_method_full:
4612 * Return the method which is actually compiled/registered when doing generic sharing.
4613 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4614 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4615 * METHOD can be a non-inflated generic method.
4618 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4620 MonoGenericContext shared_context;
4621 MonoMethod *declaring_method, *res;
4622 gboolean partial = FALSE;
4623 gboolean gsharedvt = FALSE;
4624 MonoGenericContainer *class_container, *method_container = NULL;
4626 if (method->is_generic || (method->klass->generic_container && !method->is_inflated)) {
4627 declaring_method = method;
4629 declaring_method = mono_method_get_declaring_generic_method (method);
4632 if (declaring_method->is_generic)
4633 shared_context = mono_method_get_generic_container (declaring_method)->context;
4635 shared_context = declaring_method->klass->generic_container->context;
4637 /* Handle gsharedvt/partial sharing */
4638 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE)) ||
4639 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4640 MonoGenericContext *context = mono_method_get_context (method);
4641 MonoGenericInst *inst;
4643 partial = mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE);
4645 gsharedvt = is_gsharedvt || (!partial && mini_is_gsharedvt_sharable_method (method));
4647 class_container = declaring_method->klass->generic_container;
4648 method_container = mono_method_get_generic_container (declaring_method);
4651 * Create the shared context by replacing the ref type arguments with
4652 * type parameters, and keeping the rest.
4655 inst = context->class_inst;
4657 inst = shared_context.class_inst;
4659 shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
4662 inst = context->method_inst;
4664 inst = shared_context.method_inst;
4666 shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
4671 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4673 /* The result should be an inflated method whose parent is not inflated */
4674 g_assert (!res->klass->is_inflated);
4680 mini_get_shared_method (MonoMethod *method)
4682 return mini_get_shared_method_full (method, FALSE, FALSE);
4686 mini_init_gsctx (MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4688 MonoGenericInst *inst;
4691 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4693 if (context->class_inst) {
4694 inst = context->class_inst;
4695 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4697 for (i = 0; i < inst->type_argc; ++i) {
4698 MonoType *type = inst->type_argv [i];
4700 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4701 gsctx->var_is_vt [i] = TRUE;
4704 if (context->method_inst) {
4705 inst = context->method_inst;
4706 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4708 for (i = 0; i < inst->type_argc; ++i) {
4709 MonoType *type = inst->type_argv [i];
4711 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4712 gsctx->mvar_is_vt [i] = TRUE;
4719 * mini_method_compile:
4720 * @method: the method to compile
4721 * @opts: the optimization flags to use
4722 * @domain: the domain where the method will be compiled in
4723 * @run_cctors: whether we should run type ctors if possible
4724 * @compile_aot: whether this is an AOT compilation
4725 * @parts: debug flag
4727 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4728 * field in the returned struct to see if compilation succeded.
4731 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4733 MonoMethodHeader *header;
4734 MonoMethodSignature *sig;
4738 int dfn, i, code_size_ratio;
4739 gboolean deadce_has_run = FALSE;
4740 gboolean try_generic_shared, try_llvm = FALSE;
4741 MonoMethod *method_to_compile, *method_to_register;
4742 gboolean method_is_gshared = FALSE;
4744 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4745 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4746 mono_profiler_method_jit (method);
4747 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4748 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4752 * We might get passed the original generic method definition or
4753 * instances with type parameters.
4754 * FIXME: Remove the method->klass->generic_class limitation.
4756 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4757 (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)));
4759 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4760 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE);
4762 if (opts & MONO_OPT_GSHARED) {
4763 if (try_generic_shared)
4764 mono_stats.generics_sharable_methods++;
4765 else if (mono_method_is_generic_impl (method))
4766 mono_stats.generics_unsharable_methods++;
4769 if (mini_is_gsharedvt_sharable_method (method)) {
4770 if (!mono_debug_count ())
4771 try_generic_shared = FALSE;
4773 try_generic_shared = FALSE;
4776 if (is_gsharedvt_method (method) || (compile_aot && is_open_method (method))) {
4777 /* We are AOTing a gshared method directly */
4778 method_is_gshared = TRUE;
4779 g_assert (compile_aot);
4780 try_generic_shared = TRUE;
4784 try_llvm = mono_use_llvm;
4788 if (method_is_gshared) {
4789 method_to_compile = method;
4791 if (try_generic_shared) {
4792 method_to_compile = mini_get_shared_method (method);
4793 g_assert (method_to_compile);
4795 method_to_compile = method;
4799 cfg = g_new0 (MonoCompile, 1);
4800 cfg->method = method_to_compile;
4801 cfg->header = mono_method_get_header (cfg->method);
4802 cfg->mempool = mono_mempool_new ();
4804 cfg->prof_options = mono_profiler_get_events ();
4805 cfg->run_cctors = run_cctors;
4806 cfg->domain = domain;
4807 cfg->verbose_level = mini_verbose;
4808 cfg->compile_aot = compile_aot;
4809 cfg->skip_visibility = method->skip_visibility;
4810 cfg->orig_method = method;
4811 cfg->gen_seq_points = debug_options.gen_seq_points;
4812 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4813 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4814 if (try_generic_shared)
4815 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
4816 cfg->compile_llvm = try_llvm;
4817 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4819 if (cfg->gen_seq_points)
4820 cfg->seq_points = g_ptr_array_new ();
4822 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
4823 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4827 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
4828 MonoMethodInflated *inflated;
4829 MonoGenericContext *context;
4831 // FIXME: Free the contents of gsctx if compilation fails
4832 if (method_is_gshared) {
4833 g_assert (method->is_inflated);
4834 inflated = (MonoMethodInflated*)method;
4835 context = &inflated->context;
4837 /* We are compiling a gsharedvt method directly */
4838 g_assert (compile_aot);
4840 g_assert (method_to_compile->is_inflated);
4841 inflated = (MonoMethodInflated*)method_to_compile;
4842 context = &inflated->context;
4845 mini_init_gsctx (context, &cfg->gsctx);
4847 cfg->gsharedvt = TRUE;
4849 cfg->disable_llvm = TRUE;
4852 if (cfg->generic_sharing_context) {
4853 method_to_register = method_to_compile;
4855 g_assert (method == method_to_compile);
4856 method_to_register = method;
4858 cfg->method_to_register = method_to_register;
4860 mono_error_init (&err);
4861 sig = mono_method_signature_checked (cfg->method, &err);
4863 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4864 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4865 mono_error_cleanup (&err);
4866 if (MONO_METHOD_COMPILE_END_ENABLED ())
4867 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4871 header = cfg->header;
4873 MonoLoaderError *error;
4875 if ((error = mono_loader_get_last_error ())) {
4876 cfg->exception_type = error->exception_type;
4878 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4879 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4881 if (MONO_METHOD_COMPILE_END_ENABLED ())
4882 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4888 static gboolean inited;
4895 * Check for methods which cannot be compiled by LLVM early, to avoid
4896 * the extra compilation pass.
4898 if (COMPILE_LLVM (cfg)) {
4899 mono_llvm_check_method_supported (cfg);
4900 if (cfg->disable_llvm) {
4901 if (cfg->verbose_level >= 1) {
4902 //nm = mono_method_full_name (cfg->method, TRUE);
4903 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4906 mono_destroy_compile (cfg);
4908 goto restart_compile;
4914 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4915 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4916 cfg->disable_reuse_registers = TRUE;
4917 cfg->disable_reuse_stack_slots = TRUE;
4919 * This decreases the change the debugger will read registers/stack slots which are
4920 * not yet initialized.
4922 cfg->disable_initlocals_opt = TRUE;
4924 cfg->extend_live_ranges = TRUE;
4926 /* Temporarily disable this when running in the debugger until we have support
4927 * for this in the debugger. */
4928 /* This is no longer needed with sdb */
4929 //cfg->disable_omit_fp = TRUE;
4931 /* The debugger needs all locals to be on the stack or in a global register */
4932 cfg->disable_vreg_to_lvreg = TRUE;
4934 /* Don't remove unused variables when running inside the debugger since the user
4935 * may still want to view them. */
4936 cfg->disable_deadce_vars = TRUE;
4938 // cfg->opt |= MONO_OPT_SHARED;
4939 cfg->opt &= ~MONO_OPT_DEADCE;
4940 cfg->opt &= ~MONO_OPT_INLINE;
4941 cfg->opt &= ~MONO_OPT_COPYPROP;
4942 cfg->opt &= ~MONO_OPT_CONSPROP;
4943 /* This is no longer needed with sdb */
4944 //cfg->opt &= ~MONO_OPT_GSHARED;
4946 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4947 cfg->disable_out_of_line_bblocks = TRUE;
4950 if (mono_using_xdebug) {
4952 * Make each variable use its own register/stack slot and extend
4953 * their liveness to cover the whole method, making them displayable
4954 * in gdb even after they are dead.
4956 cfg->disable_reuse_registers = TRUE;
4957 cfg->disable_reuse_stack_slots = TRUE;
4958 cfg->extend_live_ranges = TRUE;
4959 cfg->compute_precise_live_ranges = TRUE;
4962 mini_gc_init_cfg (cfg);
4964 if (COMPILE_LLVM (cfg)) {
4965 cfg->opt |= MONO_OPT_ABCREM;
4968 if (g_getenv ("MONO_VERBOSE_METHOD")) {
4969 const char *name = g_getenv ("MONO_VERBOSE_METHOD");
4971 if ((strchr (name, '.') > name) || strchr (name, ':')) {
4972 MonoMethodDesc *desc;
4974 desc = mono_method_desc_new (name, TRUE);
4975 if (mono_method_desc_full_match (desc, cfg->method)) {
4976 cfg->verbose_level = 4;
4978 mono_method_desc_free (desc);
4980 if (strcmp (cfg->method->name, g_getenv ("MONO_VERBOSE_METHOD")) == 0)
4981 cfg->verbose_level = 4;
4985 ip = (guint8 *)header->code;
4987 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
4989 if (cfg->verbose_level > 0) {
4992 method_name = mono_method_full_name (method, TRUE);
4993 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
4995 if (COMPILE_LLVM (cfg))
4996 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
4997 else if (cfg->gsharedvt)
4998 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4999 else if (cfg->generic_sharing_context)
5000 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5002 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
5004 g_free (method_name);
5007 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
5008 cfg->opt |= MONO_OPT_SSA;
5011 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")))
5012 cfg->globalra = TRUE;
5015 //cfg->globalra = TRUE;
5017 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
5018 // cfg->globalra = TRUE;
5021 static int count = 0;
5025 if (g_getenv ("COUNT2")) {
5026 cfg->globalra = TRUE;
5027 if (count == atoi (g_getenv ("COUNT2")))
5028 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
5029 if (count > atoi (g_getenv ("COUNT2")))
5030 cfg->globalra = FALSE;
5035 if (header->clauses)
5036 cfg->globalra = FALSE;
5038 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
5039 /* The code in the prolog clobbers caller saved registers */
5040 cfg->globalra = FALSE;
5042 // FIXME: Disable globalra in case of tracing/profiling
5044 if (cfg->method->save_lmf)
5045 /* The LMF saving code might clobber caller saved registers */
5046 cfg->globalra = FALSE;
5048 if (header->code_size > 5000)
5050 /* Too large bblocks could overflow the ins positions */
5051 cfg->globalra = FALSE;
5053 cfg->rs = mono_regstate_new ();
5055 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
5056 cfg->next_vreg = cfg->rs->next_vreg;
5058 /* FIXME: Fix SSA to handle branches inside bblocks */
5059 if (cfg->opt & MONO_OPT_SSA)
5060 cfg->enable_extended_bblocks = FALSE;
5063 * FIXME: This confuses liveness analysis because variables which are assigned after
5064 * a branch inside a bblock become part of the kill set, even though the assignment
5065 * might not get executed. This causes the optimize_initlocals pass to delete some
5066 * assignments which are needed.
5067 * Also, the mono_if_conversion pass needs to be modified to recognize the code
5070 //cfg->enable_extended_bblocks = TRUE;
5072 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
5073 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
5074 if (mini_get_debug_options ()->break_on_unverified)
5080 * create MonoInst* which represents arguments and local variables
5082 mono_compile_create_vars (cfg);
5084 /* SSAPRE is not supported on linear IR */
5085 cfg->opt &= ~MONO_OPT_SSAPRE;
5087 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
5090 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
5092 if (MONO_METHOD_COMPILE_END_ENABLED ())
5093 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5096 mono_destroy_compile (cfg);
5097 try_generic_shared = FALSE;
5098 goto restart_compile;
5100 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
5102 if (MONO_METHOD_COMPILE_END_ENABLED ())
5103 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5104 /* cfg contains the details of the failure, so let the caller cleanup */
5108 cfg->stat_basic_blocks += cfg->num_bblocks;
5110 if (COMPILE_LLVM (cfg)) {
5113 /* The IR has to be in SSA form for LLVM */
5114 cfg->opt |= MONO_OPT_SSA;
5118 // Allow SSA on the result value
5119 cfg->ret->flags &= ~MONO_INST_VOLATILE;
5121 // Add an explicit return instruction referencing the return value
5122 MONO_INST_NEW (cfg, ins, OP_SETRET);
5123 ins->sreg1 = cfg->ret->dreg;
5125 MONO_ADD_INS (cfg->bb_exit, ins);
5128 cfg->opt &= ~MONO_OPT_LINEARS;
5131 cfg->opt &= ~MONO_OPT_BRANCH;
5134 /* todo: remove code when we have verified that the liveness for try/catch blocks
5138 * Currently, this can't be commented out since exception blocks are not
5139 * processed during liveness analysis.
5140 * It is also needed, because otherwise the local optimization passes would
5141 * delete assignments in cases like this:
5143 * <something which throws>
5145 * This also allows SSA to be run on methods containing exception clauses, since
5146 * SSA will ignore variables marked VOLATILE.
5148 mono_liveness_handle_exception_clauses (cfg);
5150 mono_handle_out_of_line_bblock (cfg);
5152 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
5154 if (!COMPILE_LLVM (cfg))
5155 mono_decompose_long_opts (cfg);
5157 /* Should be done before branch opts */
5158 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
5159 mono_local_cprop (cfg);
5161 if (cfg->opt & MONO_OPT_BRANCH)
5162 mono_optimize_branches (cfg);
5164 /* This must be done _before_ global reg alloc and _after_ decompose */
5165 mono_handle_global_vregs (cfg);
5166 if (cfg->opt & MONO_OPT_DEADCE)
5167 mono_local_deadce (cfg);
5168 /* Disable this for LLVM to make the IR easier to handle */
5169 if (!COMPILE_LLVM (cfg))
5170 mono_if_conversion (cfg);
5172 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
5173 mono_remove_critical_edges (cfg);
5175 /* Depth-first ordering on basic blocks */
5176 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5178 cfg->max_block_num = cfg->num_bblocks;
5181 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5182 if (cfg->num_bblocks != dfn + 1) {
5185 cfg->num_bblocks = dfn + 1;
5187 /* remove unreachable code, because the code in them may be
5188 * inconsistent (access to dead variables for example) */
5189 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5190 bb->flags &= ~BB_VISITED;
5191 compute_reachable (cfg->bb_entry);
5192 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5193 if (bb->flags & BB_EXCEPTION_HANDLER)
5194 compute_reachable (bb);
5195 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5196 if (!(bb->flags & BB_VISITED)) {
5197 if (cfg->verbose_level > 1)
5198 g_print ("found unreachable code in BB%d\n", bb->block_num);
5199 bb->code = bb->last_ins = NULL;
5200 while (bb->out_count)
5201 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
5204 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5205 bb->flags &= ~BB_VISITED;
5208 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
5210 * we disable some optimizations if there are too many variables
5211 * because JIT time may become too expensive. The actual number needs
5212 * to be tweaked and eventually the non-linear algorithms should be fixed.
5214 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
5215 cfg->disable_ssa = TRUE;
5218 if (cfg->opt & MONO_OPT_LOOP) {
5219 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
5220 mono_compute_natural_loops (cfg);
5223 /* after method_to_ir */
5225 if (MONO_METHOD_COMPILE_END_ENABLED ())
5226 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5231 if (header->num_clauses)
5232 cfg->disable_ssa = TRUE;
5235 //#define DEBUGSSA "logic_run"
5236 #define DEBUGSSA_CLASS "Tests"
5239 if (!cfg->disable_ssa) {
5240 mono_local_cprop (cfg);
5243 mono_ssa_compute (cfg);
5247 if (cfg->opt & MONO_OPT_SSA) {
5248 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
5250 mono_ssa_compute (cfg);
5253 if (cfg->verbose_level >= 2) {
5260 /* after SSA translation */
5262 if (MONO_METHOD_COMPILE_END_ENABLED ())
5263 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5267 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
5268 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5270 mono_ssa_cprop (cfg);
5276 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5277 //mono_ssa_strength_reduction (cfg);
5279 if (cfg->opt & MONO_OPT_SSAPRE) {
5280 mono_perform_ssapre (cfg);
5281 //mono_local_cprop (cfg);
5284 if (cfg->opt & MONO_OPT_DEADCE) {
5285 mono_ssa_deadce (cfg);
5286 deadce_has_run = TRUE;
5289 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5290 mono_perform_abc_removal (cfg);
5292 mono_ssa_remove (cfg);
5293 mono_local_cprop (cfg);
5294 mono_handle_global_vregs (cfg);
5295 if (cfg->opt & MONO_OPT_DEADCE)
5296 mono_local_deadce (cfg);
5298 if (cfg->opt & MONO_OPT_BRANCH) {
5301 mono_optimize_branches (cfg);
5303 /* Have to recompute cfg->bblocks and bb->dfn */
5304 if (cfg->globalra) {
5305 mono_remove_critical_edges (cfg);
5307 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5310 /* Depth-first ordering on basic blocks */
5311 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5314 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5315 cfg->num_bblocks = dfn + 1;
5321 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5322 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
5323 if (cfg->opt & MONO_OPT_ABCREM)
5324 mono_perform_abc_removal (cfg);
5327 /* after SSA removal */
5329 if (MONO_METHOD_COMPILE_END_ENABLED ())
5330 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5334 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
5335 if (COMPILE_SOFT_FLOAT (cfg))
5336 mono_decompose_soft_float (cfg);
5338 if (!COMPILE_LLVM (cfg))
5339 mono_decompose_vtype_opts (cfg);
5340 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5341 mono_decompose_array_access_opts (cfg);
5344 #ifndef MONO_ARCH_GOT_REG
5349 g_assert (cfg->got_var_allocated);
5352 * Allways allocate the GOT var to a register, because keeping it
5353 * in memory will increase the number of live temporaries in some
5354 * code created by inssel.brg, leading to the well known spills+
5355 * branches problem. Testcase: mcs crash in
5356 * System.MonoCustomAttrs:GetCustomAttributes.
5358 #ifdef MONO_ARCH_GOT_REG
5359 got_reg = MONO_ARCH_GOT_REG;
5361 regs = mono_arch_get_global_int_regs (cfg);
5363 got_reg = GPOINTER_TO_INT (regs->data);
5366 cfg->got_var->opcode = OP_REGVAR;
5367 cfg->got_var->dreg = got_reg;
5368 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5372 * Have to call this again to process variables added since the first call.
5374 mono_liveness_handle_exception_clauses (cfg);
5376 if (cfg->globalra) {
5379 /* Have to do this before regalloc since it can create vregs */
5380 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5381 mono_arch_lowering_pass (cfg, bb);
5383 mono_global_regalloc (cfg);
5386 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5387 GList *vars, *regs, *l;
5389 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5390 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5391 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5392 mono_analyze_liveness (cfg);
5394 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5395 regs = mono_arch_get_global_int_regs (cfg);
5396 /* Remove the reg reserved for holding the GOT address */
5398 for (l = regs; l; l = l->next) {
5399 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5400 regs = g_list_delete_link (regs, l);
5405 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5409 //mono_print_code (cfg, "");
5413 /* variables are allocated after decompose, since decompose could create temps */
5414 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5415 mono_arch_allocate_vars (cfg);
5416 if (cfg->exception_type)
5422 gboolean need_local_opts;
5424 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5425 mono_spill_global_vars (cfg, &need_local_opts);
5427 if (need_local_opts || cfg->compile_aot) {
5428 /* To optimize code created by spill_global_vars */
5429 mono_local_cprop (cfg);
5430 if (cfg->opt & MONO_OPT_DEADCE)
5431 mono_local_deadce (cfg);
5435 /* Add branches between non-consecutive bblocks */
5436 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5437 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5438 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5439 /* we are careful when inverting, since bugs like #59580
5440 * could show up when dealing with NaNs.
5442 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5443 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5444 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5445 bb->last_ins->inst_false_bb = tmp;
5447 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5449 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5450 inst->opcode = OP_BR;
5451 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5452 mono_bblock_add_inst (bb, inst);
5457 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5458 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5459 MonoInst *tree = bb->code;
5460 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5463 for (; tree; tree = tree->next) {
5464 mono_print_ins_index (-1, tree);
5470 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5471 bb->max_vreg = cfg->next_vreg;
5475 if (COMPILE_LLVM (cfg)) {
5479 /* The IR has to be in SSA form for LLVM */
5480 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5481 cfg->exception_message = g_strdup ("SSA disabled.");
5482 cfg->disable_llvm = TRUE;
5485 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5486 mono_decompose_array_access_opts (cfg);
5488 if (!cfg->disable_llvm)
5489 mono_llvm_emit_method (cfg);
5490 if (cfg->disable_llvm) {
5491 if (cfg->verbose_level >= 1) {
5492 //nm = mono_method_full_name (cfg->method, TRUE);
5493 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5496 mono_destroy_compile (cfg);
5498 goto restart_compile;
5501 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5502 nm = mono_method_full_name (cfg->method, TRUE);
5503 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5505 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5513 if (COMPILE_LLVM (cfg))
5514 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5516 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5518 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5520 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5521 if (cfg->extend_live_ranges) {
5522 /* Extend live ranges to cover the whole method */
5523 for (i = 0; i < cfg->num_varinfo; ++i)
5524 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5528 if (!cfg->compile_aot)
5529 mono_save_xdebug_info (cfg);
5531 mini_gc_create_gc_map (cfg);
5533 mono_save_seq_point_info (cfg);
5535 if (cfg->verbose_level >= 2) {
5536 char *id = mono_method_full_name (cfg->method, FALSE);
5537 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5541 if (!cfg->compile_aot) {
5542 mono_domain_lock (cfg->domain);
5543 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5545 if (cfg->method->dynamic)
5546 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5547 mono_domain_unlock (cfg->domain);
5552 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5555 /* collect statistics */
5556 #ifndef DISABLE_PERFCOUNTERS
5557 mono_perfcounters->jit_methods++;
5558 mono_perfcounters->jit_bytes += header->code_size;
5560 mono_jit_stats.allocated_code_size += cfg->code_len;
5561 code_size_ratio = cfg->code_len;
5562 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5563 mono_jit_stats.biggest_method_size = code_size_ratio;
5564 g_free (mono_jit_stats.biggest_method);
5565 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5567 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5568 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5569 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5570 g_free (mono_jit_stats.max_ratio_method);
5571 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5573 mono_jit_stats.native_code_size += cfg->code_len;
5575 if (MONO_METHOD_COMPILE_END_ENABLED ())
5576 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5584 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
5586 g_assert_not_reached ();
5590 #endif /* DISABLE_JIT */
5593 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
5595 static gboolean inited = FALSE;
5596 static int lookups = 0;
5597 static int failed_lookups = 0;
5600 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
5601 if (ji && !ji->has_generic_jit_info)
5605 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5606 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5618 * LOCKING: Assumes domain->jit_code_hash_lock is held.
5621 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
5623 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5628 if (!mono_method_is_generic_sharable (method, FALSE))
5630 return mono_domain_lookup_shared_generic (domain, method);
5634 lookup_method (MonoDomain *domain, MonoMethod *method)
5638 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
5639 mono_domain_jit_code_hash_lock (domain);
5640 info = lookup_method_inner (domain, method);
5641 mono_domain_jit_code_hash_unlock (domain);
5642 mono_loader_unlock ();
5648 static FILE* perf_map_file = NULL;
5651 mono_enable_jit_map (void)
5653 if (!perf_map_file) {
5655 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5657 perf_map_file = fopen (name, "w");
5662 mono_emit_jit_tramp (void *start, int size, const char *desc)
5665 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5669 mono_emit_jit_map (MonoJitInfo *jinfo)
5671 if (perf_map_file) {
5672 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
5673 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5679 mono_jit_map_is_enabled (void)
5681 return perf_map_file != NULL;
5687 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5690 gpointer code = NULL;
5691 MonoJitInfo *jinfo, *info;
5693 MonoException *ex = NULL;
5694 guint32 prof_options;
5696 MonoMethod *prof_method;
5698 #ifdef MONO_USE_AOT_COMPILER
5699 if (opt & MONO_OPT_AOT) {
5700 MonoDomain *domain = mono_domain_get ();
5702 mono_class_init (method->klass);
5704 if ((code = mono_aot_get_method (domain, method))) {
5705 vtable = mono_class_vtable (domain, method->klass);
5707 mono_runtime_class_init (vtable);
5714 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5715 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5717 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5719 if (!piinfo->addr) {
5720 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5721 piinfo->addr = mono_lookup_internal_call (method);
5722 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5724 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);
5726 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);
5729 mono_lookup_pinvoke_call (method, NULL, NULL);
5731 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5732 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5733 jinfo = mono_jit_info_table_find (target_domain, code);
5735 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5737 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5740 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
5741 //mono_debug_add_wrapper (method, nm);
5742 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5743 const char *name = method->name;
5744 char *full_name, *msg;
5747 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5748 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5749 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5752 * We need to make sure this wrapper
5753 * is compiled because it might end up
5754 * in an (M)RGCTX if generic sharing
5755 * is enabled, and would be called
5756 * indirectly. If it were a
5757 * trampoline we'd try to patch that
5758 * indirect call, which is not
5761 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5762 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5763 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5764 return mono_create_delegate_trampoline (target_domain, method->klass);
5766 nm = mono_marshal_get_delegate_invoke (method, NULL);
5767 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5769 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5770 nm = mono_marshal_get_delegate_begin_invoke (method);
5771 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5772 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5773 nm = mono_marshal_get_delegate_end_invoke (method);
5774 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5778 full_name = mono_method_full_name (method, TRUE);
5779 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5780 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5786 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5787 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5789 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5790 static MonoTrampInfo *in_tinfo, *out_tinfo;
5791 MonoTrampInfo *tinfo;
5793 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5795 if (is_in && in_tinfo)
5796 return in_tinfo->code;
5797 else if (!is_in && out_tinfo)
5798 return out_tinfo->code;
5801 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5803 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5806 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
5808 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
5809 jinfo = create_jit_info_for_trampoline (method, tinfo);
5810 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
5819 if (mono_aot_only) {
5820 char *fullname = mono_method_full_name (method, TRUE);
5821 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);
5823 *jit_ex = mono_get_exception_execution_engine (msg);
5830 jit_timer = g_timer_new ();
5832 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5833 prof_method = cfg->method;
5835 g_timer_stop (jit_timer);
5836 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5837 g_timer_destroy (jit_timer);
5839 switch (cfg->exception_type) {
5840 case MONO_EXCEPTION_NONE:
5842 case MONO_EXCEPTION_TYPE_LOAD:
5843 case MONO_EXCEPTION_MISSING_FIELD:
5844 case MONO_EXCEPTION_MISSING_METHOD:
5845 case MONO_EXCEPTION_FILE_NOT_FOUND:
5846 case MONO_EXCEPTION_BAD_IMAGE: {
5847 /* Throw a type load exception if needed */
5848 MonoLoaderError *error = mono_loader_get_last_error ();
5851 ex = mono_loader_error_prepare_exception (error);
5853 if (cfg->exception_ptr) {
5854 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5856 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5857 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5858 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5859 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5860 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5861 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5862 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5863 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5864 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5865 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5867 g_assert_not_reached ();
5872 case MONO_EXCEPTION_INVALID_PROGRAM:
5873 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5875 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5876 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5878 case MONO_EXCEPTION_METHOD_ACCESS:
5879 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5881 case MONO_EXCEPTION_FIELD_ACCESS:
5882 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5884 #ifndef DISABLE_SECURITY
5885 /* this can only be set if the security manager is active */
5886 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5887 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5888 MonoObject *exc = NULL;
5891 args [0] = &cfg->exception_data;
5893 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5895 ex = (MonoException*)exc;
5899 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5900 MonoException *exp = cfg->exception_ptr;
5901 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5906 case MONO_EXCEPTION_OUT_OF_MEMORY:
5907 ex = mono_domain_get ()->out_of_memory_ex;
5910 g_assert_not_reached ();
5914 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5915 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5917 mono_destroy_compile (cfg);
5923 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5924 mono_domain_lock (target_domain);
5926 /* Check if some other thread already did the job. In this case, we can
5927 discard the code this thread generated. */
5929 mono_domain_jit_code_hash_lock (target_domain);
5931 info = lookup_method_inner (target_domain, method);
5933 /* We can't use a domain specific method in another domain */
5934 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5935 code = info->code_start;
5936 // printf("Discarding code for method %s\n", method->name);
5941 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->d.method, cfg->jit_info);
5942 mono_domain_jit_code_hash_unlock (target_domain);
5943 code = cfg->native_code;
5945 if (cfg->generic_sharing_context && mono_method_is_generic_sharable (method, FALSE))
5946 mono_stats.generics_shared_methods++;
5948 mono_stats.gsharedvt_methods++;
5950 mono_domain_jit_code_hash_unlock (target_domain);
5953 jinfo = cfg->jit_info;
5955 prof_options = cfg->prof_options;
5958 * Update global stats while holding a lock, instead of doing many
5959 * InterlockedIncrement operations during JITting.
5961 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
5962 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
5963 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
5964 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
5965 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
5966 mono_jit_stats.regvars += cfg->stat_n_regvars;
5967 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
5968 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
5969 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
5970 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
5972 mono_destroy_compile (cfg);
5975 if (domain_jit_info (target_domain)->jump_target_hash) {
5976 MonoJumpInfo patch_info;
5977 MonoJumpList *jlist;
5979 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
5981 patch_info.next = NULL;
5982 patch_info.ip.i = 0;
5983 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
5984 patch_info.data.method = method;
5985 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
5987 #if defined(__native_client_codegen__) && defined(__native_client__)
5988 /* These patches are applied after a method has been installed, no target munging is needed. */
5989 nacl_allow_target_modification (FALSE);
5991 for (tmp = jlist->list; tmp; tmp = tmp->next)
5992 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
5993 #if defined(__native_client_codegen__) && defined(__native_client__)
5994 nacl_allow_target_modification (TRUE);
5999 mono_emit_jit_map (jinfo);
6001 mono_domain_unlock (target_domain);
6002 mono_loader_unlock ();
6004 vtable = mono_class_vtable (target_domain, method->klass);
6006 ex = mono_class_get_exception_for_failure (method->klass);
6012 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
6013 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
6014 if (mono_marshal_method_from_wrapper (method)) {
6015 /* Native func wrappers have no method */
6016 /* The profiler doesn't know about wrappers, so pass the original icall method */
6017 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
6020 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
6021 if (prof_method != method) {
6022 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
6026 ex = mono_runtime_class_init_full (vtable, FALSE);
6035 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
6037 MonoDomain *target_domain, *domain = mono_domain_get ();
6041 MonoJitICallInfo *callinfo = NULL;
6042 WrapperInfo *winfo = NULL;
6045 * ICALL wrappers are handled specially, since there is only one copy of them
6046 * shared by all appdomains.
6048 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
6049 winfo = mono_marshal_get_wrapper_info (method);
6050 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
6051 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
6052 g_assert (callinfo);
6054 /* Must be domain neutral since there is only one copy */
6055 opt |= MONO_OPT_SHARED;
6058 if (method->dynamic)
6059 opt &= ~MONO_OPT_SHARED;
6061 /* These methods can become invalid when a domain is unloaded */
6062 if (method->klass->image != mono_get_corlib () || method->is_inflated)
6063 opt &= ~MONO_OPT_SHARED;
6065 if (opt & MONO_OPT_SHARED)
6066 target_domain = mono_get_root_domain ();
6068 target_domain = domain;
6070 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
6071 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
6074 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
6075 MonoGenericContext *ctx = NULL;
6076 if (method->is_inflated)
6077 ctx = mono_method_get_context (method);
6078 method = info->d.synchronized_inner.method;
6080 method = mono_class_inflate_generic_method (method, ctx);
6084 info = lookup_method (target_domain, method);
6086 /* We can't use a domain specific method in another domain */
6087 if (! ((domain != target_domain) && !info->domain_neutral)) {
6089 MonoException *tmpEx;
6091 mono_jit_stats.methods_lookups++;
6092 vtable = mono_class_vtable (domain, method->klass);
6094 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
6099 return mono_create_ftnptr (target_domain, info->code_start);
6103 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
6107 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
6111 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
6113 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
6117 p = mono_create_ftnptr (target_domain, code);
6120 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
6121 mono_loader_lock ();
6123 if (!callinfo->wrapper) {
6124 callinfo->wrapper = p;
6125 mono_register_jit_icall_wrapper (callinfo, p);
6126 mono_debug_add_icall_wrapper (method, callinfo);
6129 mono_loader_unlock ();
6136 mono_jit_compile_method (MonoMethod *method)
6138 MonoException *ex = NULL;
6141 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
6144 mono_raise_exception (ex);
6150 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6152 invalidated_delegate_trampoline (char *desc)
6154 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
6155 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
6161 * mono_jit_free_method:
6163 * Free all memory allocated by the JIT for METHOD.
6166 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
6168 MonoJitDynamicMethodInfo *ji;
6169 gboolean destroy = TRUE;
6170 GHashTableIter iter;
6171 MonoJumpList *jlist;
6173 g_assert (method->dynamic);
6175 mono_domain_lock (domain);
6176 ji = mono_dynamic_code_hash_lookup (domain, method);
6177 mono_domain_unlock (domain);
6182 mono_debug_remove_method (method, domain);
6184 mono_domain_lock (domain);
6185 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
6186 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
6187 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
6188 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
6190 /* Remove jump targets in this method */
6191 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
6192 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
6193 GSList *tmp, *remove;
6196 for (tmp = jlist->list; tmp; tmp = tmp->next) {
6197 guint8 *ip = tmp->data;
6199 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
6200 remove = g_slist_prepend (remove, tmp);
6202 for (tmp = remove; tmp; tmp = tmp->next) {
6203 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
6205 g_slist_free (remove);
6208 mono_domain_unlock (domain);
6210 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6211 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
6213 * Instead of freeing the code, change it to call an error routine
6214 * so people can fix their code.
6216 char *type = mono_type_full_name (&method->klass->byval_arg);
6217 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
6220 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
6226 * This needs to be done before freeing code_mp, since the code address is the
6227 * key in the table, so if we free the code_mp first, another thread can grab the
6228 * same code address and replace our entry in the table.
6230 mono_jit_info_table_remove (domain, ji->ji);
6233 mono_code_manager_destroy (ji->code_mp);
6238 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
6240 MonoDomain *target_domain;
6243 if (default_opt & MONO_OPT_SHARED)
6244 target_domain = mono_get_root_domain ();
6246 target_domain = domain;
6248 info = lookup_method (target_domain, method);
6250 /* We can't use a domain specific method in another domain */
6251 if (! ((domain != target_domain) && !info->domain_neutral)) {
6252 mono_jit_stats.methods_lookups++;
6255 return info->code_start;
6265 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
6267 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
6272 gpointer compiled_method;
6273 gpointer runtime_invoke;
6275 MonoDynCallInfo *dyn_call_info;
6276 MonoClass *ret_box_class;
6277 } RuntimeInvokeInfo;
6280 * mono_jit_runtime_invoke:
6281 * @method: the method to invoke
6282 * @obj: this pointer
6283 * @params: array of parameter values.
6284 * @exc: used to catch exceptions objects
6287 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
6289 MonoMethod *invoke, *callee;
6290 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
6291 MonoDomain *domain = mono_domain_get ();
6292 MonoJitDomainInfo *domain_info;
6293 RuntimeInvokeInfo *info, *info2;
6295 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6296 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6300 domain_info = domain_jit_info (domain);
6302 mono_domain_lock (domain);
6303 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6304 mono_domain_unlock (domain);
6307 if (mono_security_core_clr_enabled ()) {
6309 * This might be redundant since mono_class_vtable () already does this,
6310 * but keep it just in case for moonlight.
6312 mono_class_setup_vtable (method->klass);
6313 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6315 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6317 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6322 info = g_new0 (RuntimeInvokeInfo, 1);
6324 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6325 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6326 g_assert (info->vtable);
6329 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6330 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6332 * Array Get/Set/Address methods. The JIT implements them using inline code
6333 * inside the runtime invoke wrappers, so no need to compile them.
6335 if (mono_aot_only) {
6337 * Call a wrapper, since the runtime invoke wrapper was not generated.
6339 MonoMethod *wrapper;
6341 wrapper = mono_marshal_get_array_accessor_wrapper (method);
6342 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
6350 MonoException *jit_ex = NULL;
6352 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
6353 if (!info->compiled_method) {
6357 *exc = (MonoObject*)jit_ex;
6360 mono_raise_exception (jit_ex);
6364 info->compiled_method = mini_add_method_trampoline (NULL, callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, FALSE), FALSE);
6366 info->compiled_method = NULL;
6370 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6371 * in full-aot mode, so we use a slower, but more generic wrapper if
6372 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6374 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6375 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6376 MonoMethodSignature *sig = mono_method_signature (method);
6377 gboolean supported = TRUE;
6380 if (method->string_ctor)
6381 sig = mono_marshal_get_string_ctor_signature (method);
6383 for (i = 0; i < sig->param_count; ++i) {
6384 MonoType *t = sig->params [i];
6386 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6390 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
6394 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6396 if (info->dyn_call_info) {
6397 switch (sig->ret->type) {
6398 case MONO_TYPE_VOID:
6410 case MONO_TYPE_BOOLEAN:
6411 case MONO_TYPE_CHAR:
6414 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6417 info->ret_box_class = mono_defaults.int_class;
6419 case MONO_TYPE_STRING:
6420 case MONO_TYPE_CLASS:
6421 case MONO_TYPE_ARRAY:
6422 case MONO_TYPE_SZARRAY:
6423 case MONO_TYPE_OBJECT:
6425 case MONO_TYPE_GENERICINST:
6426 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
6427 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6429 case MONO_TYPE_VALUETYPE:
6430 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6433 g_assert_not_reached ();
6440 if (!info->dyn_call_info)
6441 info->runtime_invoke = mono_jit_compile_method (invoke);
6443 mono_domain_lock (domain);
6444 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6449 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
6451 mono_domain_unlock (domain);
6454 runtime_invoke = info->runtime_invoke;
6457 * We need this here because mono_marshal_get_runtime_invoke can place
6458 * the helper method in System.Object and not the target class.
6461 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6465 mono_runtime_class_init (info->vtable);
6468 /* The wrappers expect this to be initialized to NULL */
6472 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6473 if (info->dyn_call_info) {
6474 MonoMethodSignature *sig = mono_method_signature (method);
6476 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6479 guint8 retval [128];
6481 if (!dyn_runtime_invoke) {
6482 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6483 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6486 /* Convert the arguments to the format expected by start_dyn_call () */
6487 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6490 args [pindex ++] = &obj;
6491 for (i = 0; i < sig->param_count; ++i) {
6492 MonoType *t = sig->params [i];
6495 args [pindex ++] = ¶ms [i];
6496 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6497 args [pindex ++] = ¶ms [i];
6499 args [pindex ++] = params [i];
6503 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6505 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6507 dyn_runtime_invoke (buf, exc, info->compiled_method);
6509 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6511 if (info->ret_box_class)
6512 return mono_value_box (domain, info->ret_box_class, retval);
6514 return *(MonoObject**)retval;
6518 return runtime_invoke (obj, params, exc, info->compiled_method);
6522 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
6524 MonoException *exc = NULL;
6526 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
6531 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6533 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6534 if (mono_arch_is_int_overflow (ctx, info))
6536 * The spec says this throws ArithmeticException, but MS throws the derived
6537 * OverflowException.
6539 exc = mono_get_exception_overflow ();
6541 exc = mono_get_exception_divide_by_zero ();
6543 exc = mono_get_exception_divide_by_zero ();
6547 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6550 mono_handle_native_sigsegv (SIGSEGV, ctx);
6553 mono_arch_handle_exception (ctx, exc);
6557 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
6562 exc = mono_get_exception_execution_engine ("SIGILL");
6564 mono_arch_handle_exception (ctx, exc);
6567 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6568 #define HAVE_SIG_INFO
6572 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
6575 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6576 gpointer fault_addr = NULL;
6580 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6581 if (mono_arch_is_single_step_event (info, ctx)) {
6582 mono_debugger_agent_single_step_event (ctx);
6584 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6585 mono_debugger_agent_breakpoint_hit (ctx);
6590 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6591 fault_addr = info->si_addr;
6592 if (mono_aot_is_pagefault (info->si_addr)) {
6593 mono_aot_handle_pagefault (info->si_addr);
6598 /* The thread might no be registered with the runtime */
6599 if (!mono_domain_get () || !jit_tls) {
6600 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6602 mono_handle_native_sigsegv (SIGSEGV, ctx);
6605 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6607 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6608 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6611 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6612 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6613 fault_addr = info->si_addr;
6614 if (fault_addr == NULL) {
6617 mono_arch_sigctx_to_monoctx (ctx, &mctx);
6619 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6623 if (jit_tls->stack_size &&
6624 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6626 * The hard-guard page has been hit: there is not much we can do anymore
6627 * Print a hopefully clear message and abort.
6629 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6630 g_assert_not_reached ();
6632 /* The original handler might not like that it is executed on an altstack... */
6633 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
6636 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6641 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6644 mono_handle_native_sigsegv (SIGSEGV, ctx);
6647 mono_arch_handle_exception (ctx, NULL);
6652 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
6657 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6659 mono_arch_handle_exception (ctx, exc);
6662 #ifndef DISABLE_REMOTING
6663 /* mono_jit_create_remoting_trampoline:
6664 * @method: pointer to the method info
6666 * Creates a trampoline which calls the remoting functions. This
6667 * is used in the vtable of transparent proxies.
6669 * Returns: a pointer to the newly created code
6672 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6675 guint8 *addr = NULL;
6677 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6678 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6682 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6683 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
6684 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6685 addr = mono_compile_method (nm);
6688 addr = mono_compile_method (method);
6690 return mono_get_addr_from_ftnptr (addr);
6694 static gpointer *vtable_trampolines;
6695 static int vtable_trampolines_size;
6698 mini_get_vtable_trampoline (int slot_index)
6700 int index = slot_index + MONO_IMT_SIZE;
6702 g_assert (slot_index >= - MONO_IMT_SIZE);
6703 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6705 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6709 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6710 while (new_size <= index)
6712 new_table = g_new0 (gpointer, new_size);
6714 if (vtable_trampolines)
6715 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6716 g_free (vtable_trampolines);
6717 mono_memory_barrier ();
6718 vtable_trampolines = new_table;
6719 vtable_trampolines_size = new_size;
6724 if (!vtable_trampolines [index])
6725 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6726 return vtable_trampolines [index];
6730 mini_get_imt_trampoline (int slot_index)
6732 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6736 mini_parse_debug_options (void)
6738 const char *options = g_getenv ("MONO_DEBUG");
6739 gchar **args, **ptr;
6744 args = g_strsplit (options, ",", -1);
6746 for (ptr = args; ptr && *ptr; ptr++) {
6747 const char *arg = *ptr;
6749 if (!strcmp (arg, "handle-sigint"))
6750 debug_options.handle_sigint = TRUE;
6751 else if (!strcmp (arg, "keep-delegates"))
6752 debug_options.keep_delegates = TRUE;
6753 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6754 debug_options.reverse_pinvoke_exceptions = TRUE;
6755 else if (!strcmp (arg, "collect-pagefault-stats"))
6756 debug_options.collect_pagefault_stats = TRUE;
6757 else if (!strcmp (arg, "break-on-unverified"))
6758 debug_options.break_on_unverified = TRUE;
6759 else if (!strcmp (arg, "no-gdb-backtrace"))
6760 debug_options.no_gdb_backtrace = TRUE;
6761 else if (!strcmp (arg, "suspend-on-sigsegv"))
6762 debug_options.suspend_on_sigsegv = TRUE;
6763 else if (!strcmp (arg, "suspend-on-unhandled"))
6764 debug_options.suspend_on_unhandled = TRUE;
6765 else if (!strcmp (arg, "dont-free-domains"))
6766 mono_dont_free_domains = TRUE;
6767 else if (!strcmp (arg, "dyn-runtime-invoke"))
6768 debug_options.dyn_runtime_invoke = TRUE;
6769 else if (!strcmp (arg, "gdb"))
6770 debug_options.gdb = TRUE;
6771 else if (!strcmp (arg, "explicit-null-checks"))
6772 debug_options.explicit_null_checks = TRUE;
6773 else if (!strcmp (arg, "gen-seq-points"))
6774 debug_options.gen_seq_points = TRUE;
6775 else if (!strcmp (arg, "init-stacks"))
6776 debug_options.init_stacks = TRUE;
6777 else if (!strcmp (arg, "casts"))
6778 debug_options.better_cast_details = TRUE;
6779 else if (!strcmp (arg, "soft-breakpoints"))
6780 debug_options.soft_breakpoints = TRUE;
6782 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6783 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'suspend-on-unhandled', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks'\n");
6792 mini_get_debug_options (void)
6794 return &debug_options;
6798 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6800 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
6804 gpointer* desc = NULL;
6806 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
6809 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6813 # elif defined(__ppc64__) || defined(__powerpc64__)
6816 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6822 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
6828 mini_get_addr_from_ftnptr (gpointer descr)
6830 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6831 return *(gpointer*)descr;
6838 register_jit_stats (void)
6840 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
6841 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
6842 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6843 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6844 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6845 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
6846 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
6847 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
6848 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
6849 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
6850 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
6851 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
6852 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
6853 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
6854 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
6855 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
6856 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
6859 static void runtime_invoke_info_free (gpointer value);
6860 static void seq_point_info_free (gpointer value);
6863 mini_create_jit_domain_info (MonoDomain *domain)
6865 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
6867 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6868 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6869 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6870 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6871 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6872 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
6873 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, seq_point_info_free);
6874 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
6875 info->jump_target_hash = g_hash_table_new (NULL, NULL);
6877 domain->runtime_info = info;
6881 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
6883 MonoJumpList *jlist = value;
6884 g_slist_free (jlist->list);
6888 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
6890 MonoJitDynamicMethodInfo *di = value;
6891 mono_code_manager_destroy (di->code_mp);
6896 runtime_invoke_info_free (gpointer value)
6898 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
6900 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6901 if (info->dyn_call_info)
6902 mono_arch_dyn_call_free (info->dyn_call_info);
6907 static void seq_point_info_free (gpointer value)
6910 MonoSeqPointInfo* info = (MonoSeqPointInfo*)value;
6912 for (i = 0; i < info->len; ++i) {
6913 SeqPoint *sp = &info->seq_points [i];
6921 mini_free_jit_domain_info (MonoDomain *domain)
6923 MonoJitDomainInfo *info = domain_jit_info (domain);
6925 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6926 g_hash_table_destroy (info->jump_target_hash);
6927 if (info->jump_target_got_slot_hash) {
6928 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6929 g_hash_table_destroy (info->jump_target_got_slot_hash);
6931 if (info->dynamic_code_hash) {
6932 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6933 g_hash_table_destroy (info->dynamic_code_hash);
6935 if (info->method_code_hash)
6936 g_hash_table_destroy (info->method_code_hash);
6937 g_hash_table_destroy (info->class_init_trampoline_hash);
6938 g_hash_table_destroy (info->jump_trampoline_hash);
6939 g_hash_table_destroy (info->jit_trampoline_hash);
6940 g_hash_table_destroy (info->delegate_trampoline_hash);
6941 if (info->static_rgctx_trampoline_hash)
6942 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6943 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6944 g_hash_table_destroy (info->runtime_invoke_hash);
6945 g_hash_table_destroy (info->seq_points);
6946 g_hash_table_destroy (info->arch_seq_points);
6947 if (info->agent_info)
6948 mono_debugger_agent_free_domain_info (domain);
6949 if (info->gsharedvt_arg_tramp_hash)
6950 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
6952 g_free (domain->runtime_info);
6953 domain->runtime_info = NULL;
6957 mini_init (const char *filename, const char *runtime_version)
6960 MonoRuntimeCallbacks callbacks;
6961 MonoThreadInfoRuntimeCallbacks ticallbacks;
6963 MONO_VES_INIT_BEGIN ();
6965 #if defined(__linux__) && !defined(__native_client__)
6966 if (access ("/proc/self/maps", F_OK) != 0) {
6967 g_print ("Mono requires /proc to be mounted.\n");
6972 /* Happens when using the embedding interface */
6973 if (!default_opt_set)
6974 default_opt = mono_parse_default_optimizations (NULL);
6976 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
6978 mono_set_generic_sharing_vt_supported (TRUE);
6981 InitializeCriticalSection (&jit_mutex);
6983 #ifdef MONO_DEBUGGER_SUPPORTED
6984 if (mini_debug_running_inside_mdb ())
6985 mini_debugger_init ();
6988 #ifdef MONO_HAVE_FAST_TLS
6989 MONO_FAST_TLS_INIT (mono_jit_tls);
6990 MONO_FAST_TLS_INIT (mono_lmf_addr);
6991 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
6992 MONO_FAST_TLS_INIT (mono_lmf);
6996 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
6998 if (!global_codeman)
6999 global_codeman = mono_code_manager_new ();
7000 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
7002 memset (&callbacks, 0, sizeof (callbacks));
7003 callbacks.create_ftnptr = mini_create_ftnptr;
7004 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
7005 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
7006 callbacks.set_cast_details = mono_set_cast_details;
7007 callbacks.debug_log = mono_debugger_agent_debug_log;
7008 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
7010 #ifdef MONO_ARCH_HAVE_IMT
7012 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
7013 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
7017 mono_install_callbacks (&callbacks);
7019 memset (&ticallbacks, 0, sizeof (ticallbacks));
7020 ticallbacks.setup_async_callback = mono_setup_async_callback;
7021 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
7022 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
7024 mono_threads_runtime_init (&ticallbacks);
7027 if (g_getenv ("MONO_DEBUG") != NULL)
7028 mini_parse_debug_options ();
7030 mono_code_manager_init ();
7034 mono_arch_cpu_init ();
7038 mono_unwind_init ();
7040 if (g_getenv ("MONO_XDEBUG")) {
7041 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
7042 mono_xdebug_init (xdebug_opts);
7043 /* So methods for multiple domains don't have the same address */
7044 mono_dont_free_domains = TRUE;
7045 mono_using_xdebug = TRUE;
7046 } else if (mini_get_debug_options ()->gdb) {
7047 mono_xdebug_init ((char*)"gdb");
7048 mono_dont_free_domains = TRUE;
7049 mono_using_xdebug = TRUE;
7053 if (mono_use_llvm) {
7054 if (!mono_llvm_load (NULL)) {
7055 mono_use_llvm = FALSE;
7056 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
7063 mono_trampolines_init ();
7065 if (!g_thread_supported ())
7066 g_thread_init (NULL);
7068 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
7070 if (default_opt & MONO_OPT_AOT)
7073 mono_debugger_agent_init ();
7075 #ifdef MONO_ARCH_GSHARED_SUPPORTED
7076 mono_set_generic_sharing_supported (TRUE);
7079 #ifndef MONO_CROSS_COMPILE
7080 mono_runtime_install_handlers ();
7082 mono_threads_install_cleanup (mini_thread_cleanup);
7084 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
7085 // This is experimental code so provide an env var to switch it off
7086 if (g_getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
7087 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
7089 check_for_pending_exc = FALSE;
7090 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
7094 #define JIT_TRAMPOLINES_WORK
7095 #ifdef JIT_TRAMPOLINES_WORK
7096 mono_install_compile_method (mono_jit_compile_method);
7097 mono_install_free_method (mono_jit_free_method);
7098 mono_install_trampoline (mono_create_jit_trampoline);
7099 mono_install_jump_trampoline (mono_create_jump_trampoline);
7100 #ifndef DISABLE_REMOTING
7101 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
7103 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
7104 mono_install_create_domain_hook (mini_create_jit_domain_info);
7105 mono_install_free_domain_hook (mini_free_jit_domain_info);
7107 #define JIT_INVOKE_WORKS
7108 #ifdef JIT_INVOKE_WORKS
7109 mono_install_runtime_invoke (mono_jit_runtime_invoke);
7111 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
7112 mono_install_get_class_from_name (mono_aot_get_class_from_name);
7113 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
7115 if (debug_options.collect_pagefault_stats) {
7116 mono_aot_set_make_unreadable (TRUE);
7119 if (runtime_version)
7120 domain = mono_init_version (filename, runtime_version);
7122 domain = mono_init_from_assembly (filename, filename);
7124 if (mono_aot_only) {
7125 /* This helps catch code allocation requests */
7126 mono_code_manager_set_read_only (domain->code_mp);
7127 mono_marshal_use_aot_wrappers (TRUE);
7130 #ifdef MONO_ARCH_HAVE_IMT
7133 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
7135 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
7139 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
7140 mono_arch_finish_init ();
7142 /* This must come after mono_init () in the aot-only case */
7143 mono_exceptions_init ();
7147 /* This should come after mono_init () too */
7150 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
7151 ves_icall_get_frame_info);
7152 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
7153 ves_icall_get_trace);
7154 mono_add_internal_call ("System.Exception::get_trace",
7155 ves_icall_System_Exception_get_trace);
7156 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
7157 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
7158 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
7159 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
7160 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
7161 mono_runtime_install_handlers);
7163 #ifdef PLATFORM_ANDROID
7164 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
7165 mono_debugger_agent_unhandled_exception);
7169 mono_create_helper_signatures ();
7172 register_jit_stats ();
7174 #define JIT_CALLS_WORK
7175 #ifdef JIT_CALLS_WORK
7176 /* Needs to be called here since register_jit_icall depends on it */
7177 mono_marshal_init ();
7179 mono_arch_register_lowlevel_calls ();
7180 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
7181 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
7182 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
7183 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
7184 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
7185 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
7186 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
7187 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
7189 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
7190 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
7191 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
7192 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
7193 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
7194 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
7195 #ifndef DISABLE_REMOTING
7196 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
7197 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
7200 #if defined(__native_client__) || defined(__native_client_codegen__)
7201 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
7204 * NOTE, NOTE, NOTE, NOTE:
7205 * when adding emulation for some opcodes, remember to also add a dummy
7206 * rule to the burg files, because we need the arity information to be correct.
7208 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
7209 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
7210 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
7211 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
7212 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
7213 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
7214 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
7215 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
7218 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
7219 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
7220 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
7221 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
7224 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
7225 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
7226 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
7227 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
7228 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
7231 #ifdef MONO_ARCH_EMULATE_MUL_DIV
7232 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
7235 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
7236 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
7237 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
7240 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
7241 if (EMUL_MUL_DIV || mono_arch_is_soft_float ()) {
7242 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
7246 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
7247 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
7248 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
7249 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
7251 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
7252 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
7254 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
7255 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);
7257 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
7258 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
7260 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
7261 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
7263 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
7264 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);
7266 #ifdef MONO_ARCH_EMULATE_FREM
7267 #if defined(__default_codegen__)
7268 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
7269 #elif defined(__native_client_codegen__)
7270 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
7274 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
7275 if (mono_arch_is_soft_float ()) {
7276 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
7277 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
7278 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
7279 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
7280 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
7281 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
7282 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
7283 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
7284 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
7285 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7286 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
7287 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
7289 #if SIZEOF_VOID_P == 4
7290 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7293 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
7294 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
7295 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
7296 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
7297 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
7298 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
7299 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
7300 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
7301 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
7302 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
7304 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
7305 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
7306 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
7307 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
7308 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
7310 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
7311 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
7312 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
7313 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
7317 #ifdef COMPRESSED_INTERFACE_BITMAP
7318 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
7321 #if SIZEOF_REGISTER == 4
7322 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
7325 /* other jit icalls */
7326 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
7327 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
7328 "ptr ptr ptr", FALSE);
7329 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
7330 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
7331 "ptr ptr ptr ptr", FALSE);
7332 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
7333 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
7334 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
7335 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
7336 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
7337 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7338 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7339 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7340 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7341 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7342 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7343 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
7344 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
7345 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
7346 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
7347 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7348 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
7349 register_icall (mono_break, "mono_break", NULL, TRUE);
7350 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7351 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7352 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7353 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7354 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7355 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7356 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
7357 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7358 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7359 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", TRUE);
7360 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
7362 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7364 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7365 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7367 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7371 register_icall (pthread_getspecific, "pthread_getspecific", NULL, TRUE);
7374 mono_generic_sharing_init ();
7376 #ifdef MONO_ARCH_SIMD_INTRINSICS
7377 mono_simd_intrinsics_init ();
7380 #if MONO_SUPPORT_TASKLETS
7381 mono_tasklets_init ();
7384 if (mono_compile_aot)
7386 * Avoid running managed code when AOT compiling, since the platform
7387 * might only support aot-only execution.
7389 mono_runtime_set_no_exec (TRUE);
7391 #define JIT_RUNTIME_WORKS
7392 #ifdef JIT_RUNTIME_WORKS
7393 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7394 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7395 mono_thread_attach (domain);
7398 mono_profiler_runtime_initialized ();
7400 MONO_VES_INIT_END ();
7405 MonoJitStats mono_jit_stats = {0};
7408 print_jit_stats (void)
7410 if (mono_jit_stats.enabled) {
7411 g_print ("Mono Jit statistics\n");
7412 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7413 mono_jit_stats.max_ratio_method);
7414 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7415 mono_jit_stats.biggest_method);
7417 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7418 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7419 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7420 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7421 g_print ("Methods: %ld\n", mono_stats.method_count);
7422 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7423 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7424 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7426 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7427 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7428 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7430 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7431 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7432 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7433 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7435 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
7436 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
7437 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
7439 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7440 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7441 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7442 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7443 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7444 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7445 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7446 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7448 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7449 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7450 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7452 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
7453 if (mono_security_cas_enabled ()) {
7454 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7455 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7456 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7457 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7458 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7459 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7462 g_free (mono_jit_stats.max_ratio_method);
7463 mono_jit_stats.max_ratio_method = NULL;
7464 g_free (mono_jit_stats.biggest_method);
7465 mono_jit_stats.biggest_method = NULL;
7470 mini_cleanup (MonoDomain *domain)
7472 mono_runtime_shutdown_stat_profiler ();
7475 cominterop_release_all_rcws ();
7478 #ifndef MONO_CROSS_COMPILE
7480 * mono_domain_finalize () needs to be called early since it needs the
7481 * execution engine still fully working (it may invoke managed finalizers).
7483 mono_domain_finalize (domain, 2000);
7486 /* This accesses metadata so needs to be called before runtime shutdown */
7489 mono_profiler_shutdown ();
7491 #ifndef MONO_CROSS_COMPILE
7492 mono_runtime_cleanup (domain);
7495 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7497 mono_icall_cleanup ();
7499 mono_runtime_cleanup_handlers ();
7501 #ifndef MONO_CROSS_COMPILE
7502 mono_domain_free (domain, TRUE);
7505 mono_debugger_cleanup ();
7509 mono_llvm_cleanup ();
7512 mono_aot_cleanup ();
7514 mono_trampolines_cleanup ();
7516 mono_unwind_cleanup ();
7518 if (!mono_dont_free_global_codeman)
7519 mono_code_manager_destroy (global_codeman);
7520 g_hash_table_destroy (jit_icall_name_hash);
7521 g_free (emul_opcode_map);
7522 g_free (emul_opcode_opcodes);
7523 g_free (vtable_trampolines);
7525 mono_arch_cleanup ();
7527 mono_generic_sharing_cleanup ();
7531 mono_trace_cleanup ();
7533 mono_counters_dump (-1, stdout);
7535 if (mono_inject_async_exc_method)
7536 mono_method_desc_free (mono_inject_async_exc_method);
7538 mono_native_tls_free (mono_jit_tls_id);
7540 DeleteCriticalSection (&jit_mutex);
7542 DeleteCriticalSection (&mono_delegate_section);
7544 mono_code_manager_cleanup ();
7546 #ifdef USE_JUMP_TABLES
7547 mono_jumptable_cleanup ();
7552 mono_set_defaults (int verbose_level, guint32 opts)
7554 mini_verbose = verbose_level;
7555 mono_set_optimizations (opts);
7559 mono_disable_optimizations (guint32 opts)
7561 default_opt &= ~opts;
7565 mono_set_optimizations (guint32 opts)
7568 default_opt_set = TRUE;
7569 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7570 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7575 mono_set_verbose_level (guint32 level)
7577 mini_verbose = level;
7581 * mono_get_runtime_build_info:
7583 * Return the runtime version + build date in string format.
7584 * The returned string is owned by the caller. The returned string
7585 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7588 mono_get_runtime_build_info (void)
7590 if (mono_build_date)
7591 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7593 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7597 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7599 GHashTable *assemblies = (GHashTable*)user_data;
7600 MonoImage *image = mono_assembly_get_image (ass);
7601 MonoMethod *method, *invoke;
7604 if (g_hash_table_lookup (assemblies, ass))
7607 g_hash_table_insert (assemblies, ass, ass);
7609 if (mini_verbose > 0)
7610 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7612 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7613 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7614 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7618 if (mini_verbose > 1) {
7619 char * desc = mono_method_full_name (method, TRUE);
7620 g_print ("Compiling %d %s\n", count, desc);
7623 mono_compile_method (method);
7624 if (strcmp (method->name, "Finalize") == 0) {
7625 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7626 mono_compile_method (invoke);
7628 #ifndef DISABLE_REMOTING
7629 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
7630 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7631 mono_compile_method (invoke);
7636 /* Load and precompile referenced assemblies as well */
7637 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7638 mono_assembly_load_reference (image, i);
7639 if (image->references [i])
7640 mono_precompile_assembly (image->references [i], assemblies);
7644 void mono_precompile_assemblies ()
7646 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7648 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7650 g_hash_table_destroy (assemblies);
7656 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7657 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7661 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7663 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7664 hole->clause = clause;
7665 hole->start_offset = start - cfg->native_code;
7666 hole->basic_block = bb;
7668 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7672 mono_cfg_set_exception (MonoCompile *cfg, int type)
7674 cfg->exception_type = type;
7679 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
7681 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
7684 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7690 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7692 g_assert_not_reached ();
7697 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
7699 g_assert_not_reached ();
7704 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
7706 g_assert_not_reached ();
7712 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(MONOTOUCH) && !defined(MONO_EXTENSIONS)
7715 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7721 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7729 #ifdef USE_JUMP_TABLES
7730 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
7732 typedef struct MonoJumpTableChunk {
7735 struct MonoJumpTableChunk *previous;
7736 /* gpointer entries[total]; */
7737 } MonoJumpTableChunk;
7739 static MonoJumpTableChunk* g_jumptable = NULL;
7740 #define mono_jumptable_lock() EnterCriticalSection (&jumptable_mutex)
7741 #define mono_jumptable_unlock() LeaveCriticalSection (&jumptable_mutex)
7742 static CRITICAL_SECTION jumptable_mutex;
7744 static MonoJumpTableChunk*
7745 mono_create_jumptable_chunk (guint32 max_entries)
7747 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
7748 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
7749 chunk->total = max_entries;
7754 mono_jumptable_init (void)
7756 if (g_jumptable == NULL) {
7757 InitializeCriticalSection (&jumptable_mutex);
7758 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
7763 mono_jumptable_add_entry (void)
7765 return mono_jumptable_add_entries (1);
7769 mono_jumptable_add_entries (guint32 entries)
7774 mono_jumptable_init ();
7775 mono_jumptable_lock ();
7776 index = g_jumptable->active;
7777 if (index + entries >= g_jumptable->total) {
7779 * Grow jumptable, by adding one more chunk.
7780 * We cannot realloc jumptable, as there could be pointers
7781 * to existing jump table entries in the code, so instead
7782 * we just add one more chunk.
7784 guint32 max_entries = entries;
7785 MonoJumpTableChunk *new_chunk;
7787 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
7788 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
7789 new_chunk = mono_create_jumptable_chunk (max_entries);
7790 /* Link old jumptable, so that we could free it up later. */
7791 new_chunk->previous = g_jumptable;
7792 g_jumptable = new_chunk;
7795 g_jumptable->active = index + entries;
7796 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
7797 mono_jumptable_unlock();
7803 mono_jumptable_cleanup (void)
7806 MonoJumpTableChunk *current = g_jumptable, *prev;
7807 while (current != NULL) {
7808 prev = current->previous;
7813 DeleteCriticalSection (&jumptable_mutex);
7818 mono_jumptable_get_entry (guint8 *code_ptr)
7820 return mono_arch_jumptable_entry_from_code (code_ptr);