3 * mono Ahead of Time compiler
6 * Dietmar Maurer (dietmar@ximian.com)
7 * Zoltan Varga (vargaz@gmail.com)
9 * (C) 2002 Ximian, Inc.
10 * Copyright 2003-2011 Novell, Inc.
11 * Copyright 2011 Xamarin, Inc.
12 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
16 #include <sys/types.h>
22 #ifdef HAVE_SYS_MMAN_H
31 #ifdef HAVE_EXECINFO_H
38 #ifdef HAVE_SYS_WAIT_H
39 #include <sys/wait.h> /* for WIFEXITED, WEXITSTATUS */
42 #include <mono/metadata/abi-details.h>
43 #include <mono/metadata/tabledefs.h>
44 #include <mono/metadata/class.h>
45 #include <mono/metadata/object.h>
46 #include <mono/metadata/tokentype.h>
47 #include <mono/metadata/appdomain.h>
48 #include <mono/metadata/debug-helpers.h>
49 #include <mono/metadata/assembly.h>
50 #include <mono/metadata/assembly-internals.h>
51 #include <mono/metadata/metadata-internals.h>
52 #include <mono/metadata/exception-internals.h>
53 #include <mono/metadata/marshal.h>
54 #include <mono/metadata/gc-internals.h>
55 #include <mono/metadata/threads-types.h>
56 #include <mono/metadata/mono-endian.h>
57 #include <mono/utils/mono-logger-internals.h>
58 #include <mono/utils/mono-mmap.h>
59 #include <mono/utils/mono-compiler.h>
60 #include <mono/utils/mono-counters.h>
61 #include <mono/utils/mono-digest.h>
62 #include <mono/utils/mono-threads-coop.h>
63 #include <mono/utils/bsearch.h>
66 #include "seq-points.h"
68 #include "debugger-agent.h"
69 #include "aot-compiler.h"
70 #include "aot-runtime.h"
71 #include "jit-icalls.h"
72 #include "mini-runtime.h"
77 #define ENABLE_AOT_CACHE
80 /* Number of got entries shared between the JIT and LLVM GOT */
81 #define N_COMMON_GOT_ENTRIES 10
83 #define ROUND_DOWN(VALUE,SIZE) ((VALUE) & ~((SIZE) - 1))
90 #define GOT_INITIALIZING 1
91 #define GOT_INITIALIZED 2
93 struct MonoAotModule
{
95 /* Pointer to the Global Offset Table */
99 GHashTable
*name_cache
;
100 GHashTable
*extra_methods
;
101 /* Maps methods to their code */
102 GHashTable
*method_to_code
;
103 /* Maps pointers into the method info to the methods themselves */
104 GHashTable
*method_ref_to_method
;
105 MonoAssemblyName
*image_names
;
107 MonoAssembly
*assembly
;
108 MonoImage
**image_table
;
109 guint32 image_table_len
;
110 gboolean out_of_date
;
115 guint8
*jit_code_start
;
116 guint8
*jit_code_end
;
117 guint8
*llvm_code_start
;
118 guint8
*llvm_code_end
;
122 gpointer weak_field_indexes
;
123 /* Maps method indexes to their code */
125 /* Sorted array of method addresses */
126 gpointer
*sorted_methods
;
127 /* Method indexes for each method in sorted_methods */
128 int *sorted_method_indexes
;
129 /* The length of the two tables above */
130 int sorted_methods_len
;
131 guint32
*method_info_offsets
;
132 guint32
*ex_info_offsets
;
133 guint32
*class_info_offsets
;
134 guint32
*got_info_offsets
;
135 guint32
*llvm_got_info_offsets
;
136 guint32
*methods_loaded
;
137 guint16
*class_name_table
;
138 guint32
*extra_method_table
;
139 guint32
*extra_method_info_offsets
;
140 guint32
*unbox_trampolines
;
141 guint32
*unbox_trampolines_end
;
142 guint32
*unbox_trampoline_addresses
;
145 /* Points to the mono EH data created by LLVM */
146 guint8
*mono_eh_frame
;
148 /* Points to the data tables if MONO_AOT_FILE_FLAG_SEPARATE_DATA is set */
149 gpointer tables
[MONO_AOT_TABLE_NUM
];
150 /* Points to the trampolines */
151 guint8
*trampolines
[MONO_AOT_TRAMP_NUM
];
152 /* The first unused trampoline of each kind */
153 guint32 trampoline_index
[MONO_AOT_TRAMP_NUM
];
155 gboolean use_page_trampolines
;
157 MonoAotFileInfo info
;
162 JitInfoMap
*async_jit_info_table
;
168 unsigned char *trampolines
;
169 unsigned char *trampolines_end
;
172 static GHashTable
*aot_modules
;
173 #define mono_aot_lock() mono_os_mutex_lock (&aot_mutex)
174 #define mono_aot_unlock() mono_os_mutex_unlock (&aot_mutex)
175 static mono_mutex_t aot_mutex
;
178 * Maps assembly names to the mono_aot_module_<NAME>_info symbols in the
179 * AOT modules registered by mono_aot_register_module ().
181 static GHashTable
*static_aot_modules
;
183 * Same as above, but tracks module that must be loaded before others are
184 * This allows us to have a "container" module which contains resources for
185 * other modules. Since it doesn't provide methods for a managed assembly,
186 * and it needs to be fully loaded by the time the other code needs it, it
187 * must be eagerly loaded before other modules.
189 static char *container_assm_name
= NULL
;
190 static MonoAotModule
*container_amodule
= NULL
;
193 * Maps MonoJitInfo* to the aot module they belong to, this can be different
194 * from ji->method->klass->image's aot module for generic instances.
196 static GHashTable
*ji_to_amodule
;
198 /* Maps method addresses to MonoAotMethodFlags */
199 static GHashTable
*code_to_method_flags
;
202 * Whenever to AOT compile loaded assemblies on demand and store them in
205 static gboolean enable_aot_cache
= FALSE
;
207 static gboolean mscorlib_aot_loaded
;
210 static gint32 mono_last_aot_method
= -1;
212 static gboolean make_unreadable
= FALSE
;
213 static guint32 name_table_accesses
= 0;
214 static guint32 n_pagefaults
= 0;
216 /* Used to speed-up find_aot_module () */
217 static gsize aot_code_low_addr
= (gssize
)-1;
218 static gsize aot_code_high_addr
= 0;
221 static gint32 async_jit_info_size
;
223 static GHashTable
*aot_jit_icall_hash
;
226 #define USE_PAGE_TRAMPOLINES (mono_defaults.corlib->aot_module->use_page_trampolines)
228 #define USE_PAGE_TRAMPOLINES 0
231 #define mono_aot_page_lock() mono_os_mutex_lock (&aot_page_mutex)
232 #define mono_aot_page_unlock() mono_os_mutex_unlock (&aot_page_mutex)
233 static mono_mutex_t aot_page_mutex
;
235 static MonoAotModule
*mscorlib_aot_module
;
237 /* Embedding API hooks to load the AOT data for AOT images compiled with MONO_AOT_FILE_FLAG_SEPARATE_DATA */
238 static MonoLoadAotDataFunc aot_data_load_func
;
239 static MonoFreeAotDataFunc aot_data_free_func
;
240 static gpointer aot_data_func_user_data
;
243 init_plt (MonoAotModule
*info
);
246 compute_llvm_code_range (MonoAotModule
*amodule
, guint8
**code_start
, guint8
**code_end
);
249 init_method (MonoAotModule
*amodule
, guint32 method_index
, MonoMethod
*method
, MonoClass
*init_class
, MonoError
*error
);
252 decode_patches (MonoAotModule
*amodule
, MonoMemPool
*mp
, int n_patches
, gboolean llvm
, guint32
*got_offsets
);
255 amodule_lock (MonoAotModule
*amodule
)
257 mono_os_mutex_lock (&amodule
->mutex
);
261 amodule_unlock (MonoAotModule
*amodule
)
263 mono_os_mutex_unlock (&amodule
->mutex
);
269 * Load one of the images referenced by AMODULE. Returns NULL if the image is not
270 * found, and sets @error for what happened
273 load_image (MonoAotModule
*amodule
, int index
, MonoError
*error
)
275 MonoAssembly
*assembly
;
276 MonoImageOpenStatus status
;
278 g_assert (index
< amodule
->image_table_len
);
282 if (amodule
->image_table
[index
])
283 return amodule
->image_table
[index
];
284 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT: module %s wants to load image %d: %s", amodule
->aot_name
, index
, amodule
->image_names
[index
].name
);
285 if (amodule
->out_of_date
) {
286 mono_error_set_bad_image_by_name (error
, amodule
->aot_name
, "Image out of date");
291 * LoadFile allows loading more than one assembly with the same name.
292 * That means that just calling mono_assembly_load is unlikely to find
293 * the correct assembly (it'll just return the first one loaded). But
294 * we shouldn't hardcode the full assembly filepath into the AOT image,
295 * so it's not obvious that we can call mono_assembly_open_predicate.
297 * In the JIT, an assembly opened with LoadFile is supposed to only
298 * refer to already-loaded assemblies (or to GAC & MONO_PATH)
299 * assemblies - so nothing new should be loading. And for the
300 * LoadFile'd assembly itself, we can check if the name and guid of the
301 * current AOT module matches the wanted name and guid and just return
302 * the AOT module's assembly.
304 if (mono_asmctx_get_kind (&amodule
->assembly
->context
) == MONO_ASMCTX_INDIVIDUAL
&&
305 !strcmp (amodule
->assembly
->image
->guid
, amodule
->image_guids
[index
]) &&
306 mono_assembly_names_equal (&amodule
->image_names
[index
], &amodule
->assembly
->aname
))
307 assembly
= amodule
->assembly
;
309 assembly
= mono_assembly_load (&amodule
->image_names
[index
], amodule
->assembly
->basedir
, &status
);
311 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: module %s is unusable because dependency %s is not found.", amodule
->aot_name
, amodule
->image_names
[index
].name
);
312 mono_error_set_bad_image_by_name (error
, amodule
->aot_name
, "module is unusable because dependency %s is not found (error %d).\n", amodule
->image_names
[index
].name
, status
);
313 amodule
->out_of_date
= TRUE
;
317 if (strcmp (assembly
->image
->guid
, amodule
->image_guids
[index
])) {
318 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: module %s is unusable (GUID of dependent assembly %s doesn't match (expected '%s', got '%s').", amodule
->aot_name
, amodule
->image_names
[index
].name
, amodule
->image_guids
[index
], assembly
->image
->guid
);
319 mono_error_set_bad_image_by_name (error
, amodule
->aot_name
, "module is unusable (GUID of dependent assembly %s doesn't match (expected '%s', got '%s').", amodule
->image_names
[index
].name
, amodule
->image_guids
[index
], assembly
->image
->guid
);
320 amodule
->out_of_date
= TRUE
;
324 amodule
->image_table
[index
] = assembly
->image
;
325 return assembly
->image
;
329 decode_value (guint8
*ptr
, guint8
**rptr
)
334 if ((b
& 0x80) == 0){
337 } else if ((b
& 0x40) == 0){
338 len
= ((b
& 0x3f) << 8 | ptr
[1]);
340 } else if (b
!= 0xff) {
341 len
= ((b
& 0x1f) << 24) |
348 len
= (ptr
[1] << 24) | (ptr
[2] << 16) | (ptr
[3] << 8) | ptr
[4];
354 //printf ("DECODE: %d.\n", len);
359 * mono_aot_get_offset:
361 * Decode an offset table emitted by emit_offset_table (), returning the INDEXth
365 mono_aot_get_offset (guint32
*table
, int index
)
367 int i
, group
, ngroups
, index_entry_size
;
368 int start_offset
, offset
, group_size
;
369 guint8
*data_start
, *p
;
370 guint32
*index32
= NULL
;
371 guint16
*index16
= NULL
;
373 /* noffsets = table [0]; */
374 group_size
= table
[1];
376 index_entry_size
= table
[3];
377 group
= index
/ group_size
;
379 if (index_entry_size
== 2) {
380 index16
= (guint16
*)&table
[4];
381 data_start
= (guint8
*)&index16
[ngroups
];
382 p
= data_start
+ index16
[group
];
384 index32
= (guint32
*)&table
[4];
385 data_start
= (guint8
*)&index32
[ngroups
];
386 p
= data_start
+ index32
[group
];
389 /* offset will contain the value of offsets [group * group_size] */
390 offset
= start_offset
= decode_value (p
, &p
);
391 for (i
= group
* group_size
+ 1; i
<= index
; ++i
) {
392 offset
+= decode_value (p
, &p
);
395 //printf ("Offset lookup: %d -> %d, start=%d, p=%d\n", index, offset, start_offset, table [3 + group]);
401 decode_resolve_method_ref (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
);
404 decode_klass_ref (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
);
407 decode_type (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
);
409 static MonoGenericInst
*
410 decode_generic_inst (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
413 MonoType
**type_argv
;
414 MonoGenericInst
*inst
;
418 type_argc
= decode_value (p
, &p
);
419 type_argv
= g_new0 (MonoType
*, type_argc
);
421 for (i
= 0; i
< type_argc
; ++i
) {
422 MonoClass
*pclass
= decode_klass_ref (module
, p
, &p
, error
);
427 type_argv
[i
] = m_class_get_byval_arg (pclass
);
430 inst
= mono_metadata_get_generic_inst (type_argc
, type_argv
);
439 decode_generic_context (MonoAotModule
*amodule
, MonoGenericContext
*ctx
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
443 guint32 offset
, flags
;
445 /* Either the class_inst or method_inst offset */
446 flags
= decode_value (p
, &p
);
449 offset
= decode_value (p
, &p
);
450 p2
= amodule
->blob
+ offset
;
451 ctx
->class_inst
= decode_generic_inst (amodule
, p2
, &p2
, error
);
452 if (!ctx
->class_inst
)
456 offset
= decode_value (p
, &p
);
457 p2
= amodule
->blob
+ offset
;
458 ctx
->method_inst
= decode_generic_inst (amodule
, p2
, &p2
, error
);
459 if (!ctx
->method_inst
)
468 decode_klass_ref (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
471 MonoClass
*klass
= NULL
, *eklass
;
472 guint32 token
, rank
, idx
;
477 reftype
= decode_value (p
, &p
);
480 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Decoding a null class ref");
485 case MONO_AOT_TYPEREF_TYPEDEF_INDEX
:
486 idx
= decode_value (p
, &p
);
487 image
= load_image (module
, 0, error
);
490 klass
= mono_class_get_checked (image
, MONO_TOKEN_TYPE_DEF
+ idx
, error
);
492 case MONO_AOT_TYPEREF_TYPEDEF_INDEX_IMAGE
:
493 idx
= decode_value (p
, &p
);
494 image
= load_image (module
, decode_value (p
, &p
), error
);
497 klass
= mono_class_get_checked (image
, MONO_TOKEN_TYPE_DEF
+ idx
, error
);
499 case MONO_AOT_TYPEREF_TYPESPEC_TOKEN
:
500 token
= decode_value (p
, &p
);
501 image
= module
->assembly
->image
;
503 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "No image associated with the aot module");
506 klass
= mono_class_get_checked (image
, token
, error
);
508 case MONO_AOT_TYPEREF_GINST
: {
510 MonoGenericContext ctx
;
513 gclass
= decode_klass_ref (module
, p
, &p
, error
);
516 g_assert (mono_class_is_gtd (gclass
));
518 memset (&ctx
, 0, sizeof (ctx
));
519 guint32 offset
= decode_value (p
, &p
);
520 guint8
*p2
= module
->blob
+ offset
;
521 ctx
.class_inst
= decode_generic_inst (module
, p2
, &p2
, error
);
524 type
= mono_class_inflate_generic_type_checked (m_class_get_byval_arg (gclass
), &ctx
, error
);
527 klass
= mono_class_from_mono_type_internal (type
);
528 mono_metadata_free_type (type
);
531 case MONO_AOT_TYPEREF_VAR
: {
533 MonoGenericContainer
*container
= NULL
;
534 gboolean has_constraint
= decode_value (p
, &p
);
536 if (has_constraint
) {
537 MonoClass
*par_klass
;
538 MonoType
*gshared_constraint
;
540 gshared_constraint
= decode_type (module
, p
, &p
, error
);
541 if (!gshared_constraint
)
544 par_klass
= decode_klass_ref (module
, p
, &p
, error
);
548 t
= mini_get_shared_gparam (m_class_get_byval_arg (par_klass
), gshared_constraint
);
549 mono_metadata_free_type (gshared_constraint
);
550 klass
= mono_class_from_mono_type_internal (t
);
552 int type
= decode_value (p
, &p
);
553 int num
= decode_value (p
, &p
);
554 gboolean is_not_anonymous
= decode_value (p
, &p
);
556 if (is_not_anonymous
) {
557 gboolean is_method
= decode_value (p
, &p
);
560 MonoMethod
*method_def
;
561 g_assert (type
== MONO_TYPE_MVAR
);
562 method_def
= decode_resolve_method_ref (module
, p
, &p
, error
);
566 container
= mono_method_get_generic_container (method_def
);
568 MonoClass
*class_def
;
569 g_assert (type
== MONO_TYPE_VAR
);
570 class_def
= decode_klass_ref (module
, p
, &p
, error
);
574 container
= mono_class_try_get_generic_container (class_def
); //FIXME is this a case for a try_get?
577 // We didn't decode is_method, so we have to infer it from type enum.
578 container
= mono_get_anonymous_container_for_image (module
->assembly
->image
, type
== MONO_TYPE_MVAR
);
581 t
= g_new0 (MonoType
, 1);
582 t
->type
= (MonoTypeEnum
)type
;
583 if (is_not_anonymous
) {
584 t
->data
.generic_param
= mono_generic_container_get_param (container
, num
);
587 MonoGenericParam
*par
= mono_metadata_create_anon_gparam (module
->assembly
->image
, num
, type
== MONO_TYPE_MVAR
);
588 t
->data
.generic_param
= par
;
589 // FIXME: maybe do this for all anon gparams?
590 ((MonoGenericParamFull
*)par
)->info
.name
= mono_make_generic_name_string (module
->assembly
->image
, num
);
592 // FIXME: Maybe use types directly to avoid
593 // the overhead of creating MonoClass-es
594 klass
= mono_class_from_mono_type_internal (t
);
600 case MONO_AOT_TYPEREF_ARRAY
:
602 rank
= decode_value (p
, &p
);
603 eklass
= decode_klass_ref (module
, p
, &p
, error
);
606 klass
= mono_class_create_array (eklass
, rank
);
608 case MONO_AOT_TYPEREF_PTR
: {
611 t
= decode_type (module
, p
, &p
, error
);
614 klass
= mono_class_from_mono_type_internal (t
);
618 case MONO_AOT_TYPEREF_BLOB_INDEX
: {
619 guint32 offset
= decode_value (p
, &p
);
622 p2
= module
->blob
+ offset
;
623 klass
= decode_klass_ref (module
, p2
, &p2
, error
);
627 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Invalid klass reftype %d", reftype
);
630 //printf ("BLA: %s\n", mono_type_full_name (m_class_get_byval_arg (klass)));
635 static MonoClassField
*
636 decode_field_info (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
)
639 MonoClass
*klass
= decode_klass_ref (module
, buf
, &buf
, error
);
644 mono_error_cleanup (error
); /* FIXME don't swallow the error */
648 token
= MONO_TOKEN_FIELD_DEF
+ decode_value (p
, &p
);
652 return mono_class_get_field (klass
, token
);
656 * Parse a MonoType encoded by encode_type () in aot-compiler.c. Return malloc-ed
660 decode_type (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
665 if (*p
== MONO_TYPE_CMOD_REQD
) {
668 int count
= decode_value (p
, &p
);
670 /* TODO: encode aggregate cmods differently than simple cmods and make it possible to use the more compact encoding here. */
671 t
= (MonoType
*)g_malloc0 (mono_sizeof_type_with_mods (count
, TRUE
));
672 mono_type_with_mods_init (t
, count
, TRUE
);
674 /* Try not to blow up the stack. See comment on MONO_MAX_EXPECTED_CMODS */
675 g_assert (count
< MONO_MAX_EXPECTED_CMODS
);
676 MonoAggregateModContainer
*cm
= g_alloca (mono_sizeof_aggregate_modifiers (count
));
678 for (int i
= 0; i
< count
; ++i
) {
679 MonoSingleCustomMod
*cmod
= &cm
->modifiers
[i
];
680 cmod
->required
= decode_value (p
, &p
);
681 cmod
->type
= decode_type (module
, p
, &p
, error
);
682 goto_if_nok (error
, fail
);
685 mono_type_set_amods (t
, mono_metadata_get_canonical_aggregate_modifiers (cm
));
686 for (int i
= 0; i
< count
; ++i
)
687 mono_metadata_free_type (cm
->modifiers
[i
].type
);
689 t
= (MonoType
*) g_malloc0 (MONO_SIZEOF_TYPE
);
693 if (*p
== MONO_TYPE_PINNED
) {
696 } else if (*p
== MONO_TYPE_BYREF
) {
704 t
->type
= (MonoTypeEnum
)*p
;
709 case MONO_TYPE_BOOLEAN
:
723 case MONO_TYPE_STRING
:
724 case MONO_TYPE_OBJECT
:
725 case MONO_TYPE_TYPEDBYREF
:
727 case MONO_TYPE_VALUETYPE
:
728 case MONO_TYPE_CLASS
:
729 t
->data
.klass
= decode_klass_ref (module
, p
, &p
, error
);
733 case MONO_TYPE_SZARRAY
:
734 t
->data
.klass
= decode_klass_ref (module
, p
, &p
, error
);
740 t
->data
.type
= decode_type (module
, p
, &p
, error
);
744 case MONO_TYPE_GENERICINST
: {
746 MonoGenericContext ctx
;
750 gclass
= decode_klass_ref (module
, p
, &p
, error
);
753 g_assert (mono_class_is_gtd (gclass
));
755 memset (&ctx
, 0, sizeof (ctx
));
756 ctx
.class_inst
= decode_generic_inst (module
, p
, &p
, error
);
759 type
= mono_class_inflate_generic_type_checked (m_class_get_byval_arg (gclass
), &ctx
, error
);
762 klass
= mono_class_from_mono_type_internal (type
);
763 t
->data
.generic_class
= mono_class_get_generic_class (klass
);
766 case MONO_TYPE_ARRAY
: {
767 MonoArrayType
*array
;
770 // FIXME: memory management
771 array
= g_new0 (MonoArrayType
, 1);
772 array
->eklass
= decode_klass_ref (module
, p
, &p
, error
);
775 array
->rank
= decode_value (p
, &p
);
776 array
->numsizes
= decode_value (p
, &p
);
779 array
->sizes
= (int *)g_malloc0 (sizeof (int) * array
->numsizes
);
780 for (i
= 0; i
< array
->numsizes
; ++i
)
781 array
->sizes
[i
] = decode_value (p
, &p
);
783 array
->numlobounds
= decode_value (p
, &p
);
784 if (array
->numlobounds
)
785 array
->lobounds
= (int *)g_malloc0 (sizeof (int) * array
->numlobounds
);
786 for (i
= 0; i
< array
->numlobounds
; ++i
)
787 array
->lobounds
[i
] = decode_value (p
, &p
);
788 t
->data
.array
= array
;
792 case MONO_TYPE_MVAR
: {
793 MonoClass
*klass
= decode_klass_ref (module
, p
, &p
, error
);
796 t
->data
.generic_param
= m_class_get_byval_arg (klass
)->data
.generic_param
;
800 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Invalid encoded type %d", t
->type
);
812 // FIXME: Error handling, memory management
814 static MonoMethodSignature
*
815 decode_signature_with_target (MonoAotModule
*module
, MonoMethodSignature
*target
, guint8
*buf
, guint8
**endbuf
)
818 MonoMethodSignature
*sig
;
820 int i
, gen_param_count
= 0, param_count
, call_conv
;
822 gboolean hasthis
, explicit_this
, has_gen_params
;
826 has_gen_params
= (flags
& 0x10) != 0;
827 hasthis
= (flags
& 0x20) != 0;
828 explicit_this
= (flags
& 0x40) != 0;
829 call_conv
= flags
& 0x0F;
832 gen_param_count
= decode_value (p
, &p
);
833 param_count
= decode_value (p
, &p
);
834 if (target
&& param_count
!= target
->param_count
)
836 sig
= (MonoMethodSignature
*)g_malloc0 (MONO_SIZEOF_METHOD_SIGNATURE
+ param_count
* sizeof (MonoType
*));
837 sig
->param_count
= param_count
;
838 sig
->sentinelpos
= -1;
839 sig
->hasthis
= hasthis
;
840 sig
->explicit_this
= explicit_this
;
841 sig
->call_convention
= call_conv
;
842 sig
->generic_param_count
= gen_param_count
;
843 sig
->ret
= decode_type (module
, p
, &p
, error
);
846 for (i
= 0; i
< param_count
; ++i
) {
847 if (*p
== MONO_TYPE_SENTINEL
) {
848 g_assert (sig
->call_convention
== MONO_CALL_VARARG
);
849 sig
->sentinelpos
= i
;
852 sig
->params
[i
] = decode_type (module
, p
, &p
, error
);
853 if (!sig
->params
[i
])
857 if (sig
->call_convention
== MONO_CALL_VARARG
&& sig
->sentinelpos
== -1)
858 sig
->sentinelpos
= sig
->param_count
;
864 mono_error_cleanup (error
); /* FIXME don't swallow the error */
869 static MonoMethodSignature
*
870 decode_signature (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
)
872 return decode_signature_with_target (module
, NULL
, buf
, endbuf
);
876 sig_matches_target (MonoAotModule
*module
, MonoMethod
*target
, guint8
*buf
, guint8
**endbuf
)
878 MonoMethodSignature
*sig
;
882 sig
= decode_signature_with_target (module
, mono_method_signature_internal (target
), p
, &p
);
883 res
= sig
&& mono_metadata_signature_equal (mono_method_signature_internal (target
), sig
);
889 /* Stores information returned by decode_method_ref () */
894 gboolean no_aot_trampoline
;
898 * decode_method_ref_with_target:
900 * Decode a method reference, storing the image/token into a MethodRef structure.
901 * This avoids loading metadata for the method if the caller does not need it. If the method has
902 * no token, then it is loaded from metadata and ref->method is set to the method instance.
903 * If TARGET is non-NULL, abort decoding if it can be determined that the decoded method
904 * couldn't resolve to TARGET, and return FALSE.
905 * There are some kinds of method references which only support a non-null TARGET.
906 * This means that its not possible to decode this into a method, only to check
907 * that the method reference matches a given method. This is normally not a problem
908 * as these wrappers only occur in the extra_methods table, where we already have
909 * a method we want to lookup.
911 * If there was a decoding error, we return FALSE and set @error
914 decode_method_ref_with_target (MonoAotModule
*module
, MethodRef
*ref
, MonoMethod
*target
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
916 guint32 image_index
, value
;
917 MonoImage
*image
= NULL
;
920 memset (ref
, 0, sizeof (MethodRef
));
923 value
= decode_value (p
, &p
);
924 image_index
= value
>> 24;
926 if (image_index
== MONO_AOT_METHODREF_NO_AOT_TRAMPOLINE
) {
927 ref
->no_aot_trampoline
= TRUE
;
928 value
= decode_value (p
, &p
);
929 image_index
= value
>> 24;
932 if (image_index
< MONO_AOT_METHODREF_MIN
|| image_index
== MONO_AOT_METHODREF_METHODSPEC
||
933 image_index
== MONO_AOT_METHODREF_GINST
|| image_index
== MONO_AOT_METHODREF_BLOB_INDEX
) {
934 if (target
&& target
->wrapper_type
) {
939 if (image_index
== MONO_AOT_METHODREF_WRAPPER
) {
941 guint32 wrapper_type
;
943 wrapper_type
= decode_value (p
, &p
);
945 if (target
&& target
->wrapper_type
!= wrapper_type
)
949 image
= mono_defaults
.corlib
;
951 switch (wrapper_type
) {
952 #ifndef DISABLE_REMOTING
953 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK
: {
954 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
957 mono_class_init_internal (m
->klass
);
961 ref
->method
= mono_marshal_get_remoting_invoke_with_check (m
, error
);
962 return_val_if_nok (error
, FALSE
);
966 case MONO_WRAPPER_PROXY_ISINST
: {
967 MonoClass
*klass
= decode_klass_ref (module
, p
, &p
, error
);
970 ref
->method
= mono_marshal_get_proxy_cancast (klass
);
973 case MONO_WRAPPER_LDFLD
:
974 case MONO_WRAPPER_LDFLDA
:
975 case MONO_WRAPPER_STFLD
: {
976 MonoClass
*klass
= decode_klass_ref (module
, p
, &p
, error
);
979 MonoType
*type
= m_class_get_byval_arg (klass
);
980 if (wrapper_type
== MONO_WRAPPER_LDFLD
)
981 ref
->method
= mono_marshal_get_ldfld_wrapper (type
);
982 else if (wrapper_type
== MONO_WRAPPER_LDFLDA
)
983 ref
->method
= mono_marshal_get_ldflda_wrapper (type
);
984 else if (wrapper_type
== MONO_WRAPPER_STFLD
)
985 ref
->method
= mono_marshal_get_stfld_wrapper (type
);
987 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Unknown AOT wrapper type %d", wrapper_type
);
993 case MONO_WRAPPER_ALLOC
: {
994 int atype
= decode_value (p
, &p
);
995 ManagedAllocatorVariant variant
=
996 mono_profiler_allocations_enabled () ?
997 MANAGED_ALLOCATOR_PROFILER
: MANAGED_ALLOCATOR_REGULAR
;
999 ref
->method
= mono_gc_get_managed_allocator_by_type (atype
, variant
);
1000 /* Try to fallback to the slow path version */
1002 ref
->method
= mono_gc_get_managed_allocator_by_type (atype
, MANAGED_ALLOCATOR_SLOW_PATH
);
1004 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Error: No managed allocator, but we need one for AOT.\nAre you using non-standard GC options?\n");
1009 case MONO_WRAPPER_WRITE_BARRIER
: {
1010 ref
->method
= mono_gc_get_write_barrier ();
1013 case MONO_WRAPPER_STELEMREF
: {
1014 int subtype
= decode_value (p
, &p
);
1016 if (subtype
== WRAPPER_SUBTYPE_NONE
) {
1017 ref
->method
= mono_marshal_get_stelemref ();
1018 } else if (subtype
== WRAPPER_SUBTYPE_VIRTUAL_STELEMREF
) {
1021 kind
= decode_value (p
, &p
);
1023 /* Can't decode this */
1026 if (target
->wrapper_type
== MONO_WRAPPER_STELEMREF
) {
1027 info
= mono_marshal_get_wrapper_info (target
);
1030 if (info
->subtype
== subtype
&& info
->d
.virtual_stelemref
.kind
== kind
)
1031 ref
->method
= target
;
1038 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Invalid STELEMREF subtype %d", subtype
);
1043 case MONO_WRAPPER_SYNCHRONIZED
: {
1044 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1047 ref
->method
= mono_marshal_get_synchronized_wrapper (m
);
1050 case MONO_WRAPPER_OTHER
: {
1051 int subtype
= decode_value (p
, &p
);
1053 if (subtype
== WRAPPER_SUBTYPE_PTR_TO_STRUCTURE
|| subtype
== WRAPPER_SUBTYPE_STRUCTURE_TO_PTR
) {
1054 MonoClass
*klass
= decode_klass_ref (module
, p
, &p
, error
);
1060 if (klass
!= target
->klass
)
1063 if (subtype
== WRAPPER_SUBTYPE_PTR_TO_STRUCTURE
) {
1064 if (strcmp (target
->name
, "PtrToStructure"))
1066 ref
->method
= mono_marshal_get_ptr_to_struct (klass
);
1068 if (strcmp (target
->name
, "StructureToPtr"))
1070 ref
->method
= mono_marshal_get_struct_to_ptr (klass
);
1072 } else if (subtype
== WRAPPER_SUBTYPE_SYNCHRONIZED_INNER
) {
1073 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1076 ref
->method
= mono_marshal_get_synchronized_inner_wrapper (m
);
1077 } else if (subtype
== WRAPPER_SUBTYPE_ARRAY_ACCESSOR
) {
1078 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1081 ref
->method
= mono_marshal_get_array_accessor_wrapper (m
);
1082 } else if (subtype
== WRAPPER_SUBTYPE_GSHAREDVT_IN
) {
1083 ref
->method
= mono_marshal_get_gsharedvt_in_wrapper ();
1084 } else if (subtype
== WRAPPER_SUBTYPE_GSHAREDVT_OUT
) {
1085 ref
->method
= mono_marshal_get_gsharedvt_out_wrapper ();
1086 } else if (subtype
== WRAPPER_SUBTYPE_INTERP_IN
) {
1087 MonoMethodSignature
*sig
= decode_signature (module
, p
, &p
);
1090 ref
->method
= mini_get_interp_in_wrapper (sig
);
1092 } else if (subtype
== WRAPPER_SUBTYPE_INTERP_LMF
) {
1093 char const * const name
= (const char*)p
;
1094 MonoJitICallInfo
*info
= mono_find_jit_icall_by_name (name
);
1095 p
+= strlen (name
) + 1; // FIXME restrict strlen to file (on previous line)
1097 ref
->method
= mini_get_interp_lmf_wrapper (info
->name
, (gpointer
) info
->func
);
1098 } else if (subtype
== WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG
) {
1099 MonoMethodSignature
*sig
= decode_signature (module
, p
, &p
);
1102 ref
->method
= mini_get_gsharedvt_in_sig_wrapper (sig
);
1104 } else if (subtype
== WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG
) {
1105 MonoMethodSignature
*sig
= decode_signature (module
, p
, &p
);
1108 ref
->method
= mini_get_gsharedvt_out_sig_wrapper (sig
);
1110 } else if (subtype
== WRAPPER_SUBTYPE_AOT_INIT
) {
1111 guint32 init_type
= decode_value (p
, &p
);
1112 ref
->method
= mono_marshal_get_aot_init_wrapper ((MonoAotInitSubtype
) init_type
);
1114 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Invalid UNKNOWN wrapper subtype %d", subtype
);
1119 case MONO_WRAPPER_MANAGED_TO_MANAGED
: {
1120 int subtype
= decode_value (p
, &p
);
1122 if (subtype
== WRAPPER_SUBTYPE_ELEMENT_ADDR
) {
1123 int rank
= decode_value (p
, &p
);
1124 int elem_size
= decode_value (p
, &p
);
1126 ref
->method
= mono_marshal_get_array_address (rank
, elem_size
);
1127 } else if (subtype
== WRAPPER_SUBTYPE_STRING_CTOR
) {
1130 m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1136 g_assert (target
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_MANAGED
);
1138 info
= mono_marshal_get_wrapper_info (target
);
1139 if (info
&& info
->subtype
== subtype
&& info
->d
.string_ctor
.method
== m
)
1140 ref
->method
= target
;
1146 case MONO_WRAPPER_MANAGED_TO_NATIVE
: {
1148 int subtype
= decode_value (p
, &p
);
1150 if (subtype
== WRAPPER_SUBTYPE_ICALL_WRAPPER
) {
1151 char const * const name
= (const char*)p
;
1152 MonoJitICallInfo
*info
= mono_find_jit_icall_by_name (name
);
1153 p
+= strlen (name
) + 1; // FIXME restrict strlen to file (on previous line)
1155 ref
->method
= mono_icall_get_wrapper_method (info
);
1157 m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1161 /* This should only happen when looking for an extra method */
1164 if (mono_marshal_method_from_wrapper (target
) == m
)
1165 ref
->method
= target
;
1171 case MONO_WRAPPER_CASTCLASS
: {
1172 int subtype
= decode_value (p
, &p
);
1174 if (subtype
== WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE
)
1175 ref
->method
= mono_marshal_get_castclass_with_cache ();
1176 else if (subtype
== WRAPPER_SUBTYPE_ISINST_WITH_CACHE
)
1177 ref
->method
= mono_marshal_get_isinst_with_cache ();
1179 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Invalid CASTCLASS wrapper subtype %d", subtype
);
1184 case MONO_WRAPPER_RUNTIME_INVOKE
: {
1185 int subtype
= decode_value (p
, &p
);
1190 if (subtype
== WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC
) {
1191 if (strcmp (target
->name
, "runtime_invoke_dynamic") != 0)
1193 ref
->method
= target
;
1194 } else if (subtype
== WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT
) {
1195 /* Direct wrapper */
1196 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1199 ref
->method
= mono_marshal_get_runtime_invoke (m
, FALSE
);
1200 } else if (subtype
== WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL
) {
1201 /* Virtual direct wrapper */
1202 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1205 ref
->method
= mono_marshal_get_runtime_invoke (m
, TRUE
);
1207 MonoMethodSignature
*sig
;
1209 sig
= decode_signature_with_target (module
, NULL
, p
, &p
);
1210 info
= mono_marshal_get_wrapper_info (target
);
1213 if (info
->subtype
!= subtype
) {
1217 g_assert (info
->d
.runtime_invoke
.sig
);
1218 const gboolean same_sig
= mono_metadata_signature_equal (sig
, info
->d
.runtime_invoke
.sig
);
1221 ref
->method
= target
;
1227 case MONO_WRAPPER_DELEGATE_INVOKE
:
1228 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE
:
1229 case MONO_WRAPPER_DELEGATE_END_INVOKE
: {
1230 gboolean is_inflated
= decode_value (p
, &p
);
1231 WrapperSubtype subtype
;
1235 MonoMethod
*invoke
, *wrapper
;
1237 klass
= decode_klass_ref (module
, p
, &p
, error
);
1241 switch (wrapper_type
) {
1242 case MONO_WRAPPER_DELEGATE_INVOKE
:
1243 invoke
= mono_get_delegate_invoke_internal (klass
);
1244 wrapper
= mono_marshal_get_delegate_invoke (invoke
, NULL
);
1246 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE
:
1247 invoke
= mono_get_delegate_begin_invoke_internal (klass
);
1248 wrapper
= mono_marshal_get_delegate_begin_invoke (invoke
);
1250 case MONO_WRAPPER_DELEGATE_END_INVOKE
:
1251 invoke
= mono_get_delegate_end_invoke_internal (klass
);
1252 wrapper
= mono_marshal_get_delegate_end_invoke (invoke
);
1255 g_assert_not_reached ();
1260 * Due to the way mini_get_shared_method_full () works, we could end up with
1261 * multiple copies of the same wrapper.
1263 if (wrapper
->klass
!= target
->klass
)
1265 ref
->method
= target
;
1267 ref
->method
= wrapper
;
1271 * These wrappers are associated with a signature, not with a method.
1272 * Since we can't decode them into methods, they need a target method.
1277 if (wrapper_type
== MONO_WRAPPER_DELEGATE_INVOKE
) {
1278 subtype
= (WrapperSubtype
)decode_value (p
, &p
);
1279 info
= mono_marshal_get_wrapper_info (target
);
1281 if (info
->subtype
!= subtype
)
1284 if (subtype
!= WRAPPER_SUBTYPE_NONE
)
1288 if (sig_matches_target (module
, target
, p
, &p
))
1289 ref
->method
= target
;
1295 case MONO_WRAPPER_NATIVE_TO_MANAGED
: {
1299 m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1302 klass
= decode_klass_ref (module
, p
, &p
, error
);
1305 ref
->method
= mono_marshal_get_managed_wrapper (m
, klass
, 0, error
);
1306 if (!mono_error_ok (error
))
1311 g_assert_not_reached ();
1313 } else if (image_index
== MONO_AOT_METHODREF_METHODSPEC
) {
1314 image_index
= decode_value (p
, &p
);
1315 ref
->token
= decode_value (p
, &p
);
1317 image
= load_image (module
, image_index
, error
);
1320 } else if (image_index
== MONO_AOT_METHODREF_BLOB_INDEX
) {
1321 guint32 offset
= decode_value (p
, &p
);
1325 p2
= module
->blob
+ offset
;
1326 if (!decode_method_ref_with_target (module
, ref
, target
, p2
, &p2
, error
))
1331 } else if (image_index
== MONO_AOT_METHODREF_GINST
) {
1333 MonoGenericContext ctx
;
1334 guint32 token_index
;
1337 * These methods do not have a token which resolves them, so we
1338 * resolve them immediately.
1340 klass
= decode_klass_ref (module
, p
, &p
, error
);
1344 if (target
&& target
->klass
!= klass
)
1347 image_index
= decode_value (p
, &p
);
1348 token_index
= decode_value (p
, &p
);
1349 ref
->token
= mono_metadata_make_token (MONO_TABLE_METHOD
, token_index
);
1351 image
= load_image (module
, image_index
, error
);
1355 ref
->method
= mono_get_method_checked (image
, ref
->token
, NULL
, NULL
, error
);
1359 memset (&ctx
, 0, sizeof (ctx
));
1361 if (FALSE
&& mono_class_is_ginst (klass
)) {
1362 ctx
.class_inst
= mono_class_get_generic_class (klass
)->context
.class_inst
;
1363 ctx
.method_inst
= NULL
;
1365 ref
->method
= mono_class_inflate_generic_method_full_checked (ref
->method
, klass
, &ctx
, error
);
1370 memset (&ctx
, 0, sizeof (ctx
));
1372 if (!decode_generic_context (module
, &ctx
, p
, &p
, error
))
1375 ref
->method
= mono_class_inflate_generic_method_full_checked (ref
->method
, klass
, &ctx
, error
);
1379 } else if (image_index
== MONO_AOT_METHODREF_ARRAY
) {
1383 klass
= decode_klass_ref (module
, p
, &p
, error
);
1386 method_type
= decode_value (p
, &p
);
1387 switch (method_type
) {
1389 ref
->method
= mono_class_get_method_from_name_checked (klass
, ".ctor", m_class_get_rank (klass
), 0, error
);
1390 return_val_if_nok (error
, FALSE
);
1393 ref
->method
= mono_class_get_method_from_name_checked (klass
, ".ctor", m_class_get_rank (klass
) * 2, 0, error
);
1394 return_val_if_nok (error
, FALSE
);
1397 ref
->method
= mono_class_get_method_from_name_checked (klass
, "Get", -1, 0, error
);
1398 return_val_if_nok (error
, FALSE
);
1401 ref
->method
= mono_class_get_method_from_name_checked (klass
, "Address", -1, 0, error
);
1402 return_val_if_nok (error
, FALSE
);
1405 ref
->method
= mono_class_get_method_from_name_checked (klass
, "Set", -1, 0, error
);
1406 return_val_if_nok (error
, FALSE
);
1409 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Invalid METHODREF_ARRAY method type %d", method_type
);
1413 if (image_index
== MONO_AOT_METHODREF_LARGE_IMAGE_INDEX
) {
1414 image_index
= decode_value (p
, &p
);
1415 value
= decode_value (p
, &p
);
1418 ref
->token
= MONO_TOKEN_METHOD_DEF
| (value
& 0xffffff);
1420 image
= load_image (module
, image_index
, error
);
1433 decode_method_ref (MonoAotModule
*module
, MethodRef
*ref
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
1435 return decode_method_ref_with_target (module
, ref
, NULL
, buf
, endbuf
, error
);
1439 * decode_resolve_method_ref_with_target:
1441 * Similar to decode_method_ref, but resolve and return the method itself.
1444 decode_resolve_method_ref_with_target (MonoAotModule
*module
, MonoMethod
*target
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
1450 if (!decode_method_ref_with_target (module
, &ref
, target
, buf
, endbuf
, error
))
1455 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "No image found for methodref with target");
1458 return mono_get_method_checked (ref
.image
, ref
.token
, NULL
, NULL
, error
);
1462 decode_resolve_method_ref (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
1464 return decode_resolve_method_ref_with_target (module
, NULL
, buf
, endbuf
, error
);
1467 #ifdef ENABLE_AOT_CACHE
1473 * - Add options for controlling the cache size
1474 * - Handle full cache by deleting old assemblies lru style
1475 * - Maybe add a threshold after an assembly is AOT compiled
1476 * - Add options for enabling this for specific main assemblies
1479 /* The cache directory */
1480 static char *cache_dir
;
1482 /* The number of assemblies AOTed in this run */
1483 static int cache_count
;
1485 /* Whenever to AOT in-process */
1486 static gboolean in_process
;
1489 collect_assemblies (gpointer data
, gpointer user_data
)
1491 MonoAssembly
*ass
= (MonoAssembly
*)data
;
1492 GSList
**l
= (GSList
**)user_data
;
1494 *l
= g_slist_prepend (*l
, ass
);
1497 #define SHA1_DIGEST_LENGTH 20
1500 * get_aot_config_hash:
1502 * Return a hash for all the version information an AOT module depends on.
1504 static G_GNUC_UNUSED
char*
1505 get_aot_config_hash (MonoAssembly
*assembly
)
1508 GSList
*l
, *assembly_list
= NULL
;
1511 guint8 digest
[SHA1_DIGEST_LENGTH
];
1514 build_info
= mono_get_runtime_build_info ();
1516 s
= g_string_new (build_info
);
1518 mono_assembly_foreach (collect_assemblies
, &assembly_list
);
1521 * The assembly list includes the current assembly as well, no need
1524 for (l
= assembly_list
; l
; l
= l
->next
) {
1525 MonoAssembly
*ass
= (MonoAssembly
*)l
->data
;
1527 g_string_append (s
, "_");
1528 g_string_append (s
, ass
->aname
.name
);
1529 g_string_append (s
, "_");
1530 g_string_append (s
, ass
->image
->guid
);
1533 for (i
= 0; i
< s
->len
; ++i
) {
1534 if (!isalnum (s
->str
[i
]) && s
->str
[i
] != '-')
1538 mono_sha1_get_digest ((guint8
*)s
->str
, s
->len
, digest
);
1540 digest_str
= g_malloc0 ((SHA1_DIGEST_LENGTH
* 2) + 1);
1541 for (i
= 0; i
< SHA1_DIGEST_LENGTH
; ++i
)
1542 sprintf (digest_str
+ (i
* 2), "%02x", digest
[i
]);
1544 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: file dependencies: %s, hash %s", s
->str
, digest_str
);
1546 g_string_free (s
, TRUE
);
1552 aot_cache_init (void)
1556 enable_aot_cache
= TRUE
;
1561 * aot_cache_load_module:
1563 * Load the AOT image corresponding to ASSEMBLY from the aot cache, AOTing it if neccessary.
1566 aot_cache_load_module (MonoAssembly
*assembly
, char **aot_name
)
1568 MonoAotCacheConfig
*config
;
1570 char *fname
, *tmp2
, *aot_options
, *failure_fname
;
1582 if (image_is_dynamic (assembly
->image
))
1585 /* Check in the list of assemblies enabled for aot caching */
1586 config
= mono_get_aot_cache_config ();
1590 MonoDomain
*domain
= mono_domain_get ();
1591 MonoAssembly
*entry_assembly
= domain
->entry_assembly
;
1593 // FIXME: This cannot be used for mscorlib during startup, since entry_assembly is not set yet
1594 for (l
= config
->apps
; l
; l
= l
->next
) {
1595 char *n
= (char*)l
->data
;
1597 if ((entry_assembly
&& !strcmp (entry_assembly
->aname
.name
, n
)) || (!entry_assembly
&& !strcmp (assembly
->aname
.name
, n
)))
1605 for (l
= config
->assemblies
; l
; l
= l
->next
) {
1606 char *n
= (char*)l
->data
;
1608 if (!strcmp (assembly
->aname
.name
, n
))
1618 home
= g_get_home_dir ();
1621 cache_dir
= g_strdup_printf ("%s/Library/Caches/mono/aot-cache", home
);
1622 if (!g_file_test (cache_dir
, (GFileTest
)(G_FILE_TEST_EXISTS
|G_FILE_TEST_IS_DIR
)))
1623 g_mkdir_with_parents (cache_dir
, 0777);
1627 * The same assembly can be used in multiple configurations, i.e. multiple
1628 * versions of the runtime, with multiple versions of dependent assemblies etc.
1629 * To handle this, we compute a version string containing all this information, hash it,
1630 * and use the hash as a filename suffix.
1632 hash
= get_aot_config_hash (assembly
);
1634 tmp2
= g_strdup_printf ("%s-%s%s", assembly
->image
->assembly_name
, hash
, MONO_SOLIB_EXT
);
1635 fname
= g_build_filename (cache_dir
, tmp2
, NULL
);
1639 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: loading from cache: '%s'.", fname
);
1640 module
= mono_dl_open (fname
, MONO_DL_LAZY
, NULL
);
1643 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: found in cache: '%s'.", fname
);
1647 if (mono_is_corlib_image (assembly
->image
) && !mscorlib_aot_loaded
)
1649 * Can't AOT this during startup, so we AOT it when called later from
1650 * mono_aot_get_method ().
1654 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: not found.");
1656 /* Only AOT one assembly per run to avoid slowing down execution too much */
1657 if (cache_count
> 0)
1661 /* Check for previous failure */
1662 failure_fname
= g_strdup_printf ("%s.failure", fname
);
1663 failure_file
= fopen (failure_fname
, "r");
1665 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: assembly '%s' previously failed to compile '%s' ('%s')... ", assembly
->image
->name
, fname
, failure_fname
);
1666 g_free (failure_fname
);
1669 g_free (failure_fname
);
1670 fclose (failure_file
);
1673 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: compiling assembly '%s', logfile: '%s.log'... ", assembly
->image
->name
, fname
);
1676 * We need to invoke the AOT compiler here. There are multiple approaches:
1677 * - spawn a new runtime process. This can be hard when running with mkbundle, and
1678 * its hard to make the new process load the same set of assemblies.
1679 * - doing it in-process. This exposes the current process to bugs/leaks/side effects of
1681 * - fork a new process and do the work there.
1684 aot_options
= g_strdup_printf ("outfile=%s,internal-logfile=%s.log%s%s", fname
, fname
, config
->aot_options
? "," : "", config
->aot_options
? config
->aot_options
: "");
1685 /* Maybe due this in another thread ? */
1686 res
= mono_compile_assembly (assembly
, mono_parse_default_optimizations (NULL
), aot_options
, NULL
);
1688 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: compilation failed.");
1689 failure_fname
= g_strdup_printf ("%s.failure", fname
);
1690 failure_file
= fopen (failure_fname
, "a+");
1691 fclose (failure_file
);
1692 g_free (failure_fname
);
1694 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: compilation succeeded.");
1698 * - Avoid waiting for the aot process to finish ?
1699 * (less overhead, but multiple processes could aot the same assembly at the same time)
1708 logfile_name
= g_strdup_printf ("%s/aot.log", cache_dir
);
1709 logfile
= fopen (logfile_name
, "a+");
1710 g_free (logfile_name
);
1712 dup2 (fileno (logfile
), 1);
1713 dup2 (fileno (logfile
), 2);
1715 aot_options
= g_strdup_printf ("outfile=%s", fname
);
1716 res
= mono_compile_assembly (assembly
, mono_parse_default_optimizations (NULL
), aot_options
, NULL
);
1724 waitpid (pid
, &exit_status
, 0);
1725 if (!WIFEXITED (exit_status
) && (WEXITSTATUS (exit_status
) == 0))
1726 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: failed.");
1728 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: succeeded.");
1732 module
= mono_dl_open (fname
, MONO_DL_LAZY
, NULL
);
1740 aot_cache_init (void)
1745 aot_cache_load_module (MonoAssembly
*assembly
, char **aot_name
)
1753 find_symbol (MonoDl
*module
, gpointer
*globals
, const char *name
, gpointer
*value
)
1757 guint16
*table
, *entry
;
1760 char *symbol
= (char*)name
;
1763 symbol
= g_strdup_printf ("_%s", name
);
1766 /* The first entry points to the hash */
1767 table
= (guint16
*)globals
[0];
1770 table_size
= table
[0];
1773 hash
= mono_metadata_str_hash (symbol
) % table_size
;
1775 entry
= &table
[hash
* 2];
1777 /* Search the hash for the index into the globals table */
1779 while (entry
[0] != 0) {
1780 guint32 index
= entry
[0] - 1;
1781 guint32 next
= entry
[1];
1783 //printf ("X: %s %s\n", (char*)globals [index * 2], name);
1785 if (!strcmp ((const char*)globals
[index
* 2], symbol
)) {
1786 global_index
= index
;
1791 entry
= &table
[next
* 2];
1797 if (global_index
!= -1)
1798 *value
= globals
[global_index
* 2 + 1];
1805 char *err
= mono_dl_symbol (module
, name
, value
);
1813 find_amodule_symbol (MonoAotModule
*amodule
, const char *name
, gpointer
*value
)
1815 g_assert (!(amodule
->info
.flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
));
1817 find_symbol (amodule
->sofile
, amodule
->globals
, name
, value
);
1821 mono_install_load_aot_data_hook (MonoLoadAotDataFunc load_func
, MonoFreeAotDataFunc free_func
, gpointer user_data
)
1823 aot_data_load_func
= load_func
;
1824 aot_data_free_func
= free_func
;
1825 aot_data_func_user_data
= user_data
;
1828 /* Load the separate aot data file for ASSEMBLY */
1830 open_aot_data (MonoAssembly
*assembly
, MonoAotFileInfo
*info
, void **ret_handle
)
1836 if (aot_data_load_func
) {
1837 data
= aot_data_load_func (assembly
, info
->datafile_size
, aot_data_func_user_data
, ret_handle
);
1843 * Use <assembly name>.aotdata as the default implementation if no callback is given
1845 filename
= g_strdup_printf ("%s.aotdata", assembly
->image
->name
);
1846 map
= mono_file_map_open (filename
);
1848 data
= (guint8
*)mono_file_map (info
->datafile_size
, MONO_MMAP_READ
, mono_file_map_fd (map
), 0, ret_handle
);
1855 check_usable (MonoAssembly
*assembly
, MonoAotFileInfo
*info
, guint8
*blob
, char **out_msg
)
1859 gboolean usable
= TRUE
;
1860 gboolean full_aot
, interp
, safepoints
;
1861 guint32 excluded_cpu_optimizations
;
1863 if (strcmp (assembly
->image
->guid
, (const char*)info
->assembly_guid
)) {
1864 msg
= g_strdup_printf ("doesn't match assembly");
1868 build_info
= mono_get_runtime_build_info ();
1869 if (strlen ((const char *)info
->runtime_version
) > 0 && strcmp (info
->runtime_version
, build_info
)) {
1870 msg
= g_strdup_printf ("compiled against runtime version '%s' while this runtime has version '%s'", info
->runtime_version
, build_info
);
1873 g_free (build_info
);
1875 full_aot
= info
->flags
& MONO_AOT_FILE_FLAG_FULL_AOT
;
1876 interp
= info
->flags
& MONO_AOT_FILE_FLAG_INTERP
;
1878 if (mono_aot_only
&& !full_aot
) {
1880 msg
= g_strdup_printf ("not compiled with --aot=full");
1884 if (!mono_aot_only
&& full_aot
) {
1885 msg
= g_strdup_printf ("compiled with --aot=full");
1888 if (mono_use_interpreter
&& !interp
&& !strcmp (assembly
->aname
.name
, "mscorlib")) {
1889 /* mscorlib contains necessary interpreter trampolines */
1890 msg
= g_strdup_printf ("not compiled with --aot=interp");
1893 if (mono_llvm_only
&& !(info
->flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) {
1894 msg
= g_strdup_printf ("not compiled with --aot=llvmonly");
1897 if (mono_use_llvm
&& !(info
->flags
& MONO_AOT_FILE_FLAG_WITH_LLVM
)) {
1898 /* Prefer LLVM JITted code when using --llvm */
1899 msg
= g_strdup_printf ("not compiled with --aot=llvm");
1902 if (mini_get_debug_options ()->mdb_optimizations
&& !(info
->flags
& MONO_AOT_FILE_FLAG_DEBUG
) && !full_aot
&& !interp
) {
1903 msg
= g_strdup_printf ("not compiled for debugging");
1907 mono_arch_cpu_optimizations (&excluded_cpu_optimizations
);
1908 if (info
->opts
& excluded_cpu_optimizations
) {
1909 msg
= g_strdup_printf ("compiled with unsupported CPU optimizations");
1913 if (!mono_aot_only
&& (info
->simd_opts
& ~mono_arch_cpu_enumerate_simd_versions ())) {
1914 msg
= g_strdup_printf ("compiled with unsupported SIMD extensions");
1918 if (info
->gc_name_index
!= -1) {
1919 char *gc_name
= (char*)&blob
[info
->gc_name_index
];
1920 const char *current_gc_name
= mono_gc_get_gc_name ();
1922 if (strcmp (current_gc_name
, gc_name
) != 0) {
1923 msg
= g_strdup_printf ("compiled against GC %s, while the current runtime uses GC %s.\n", gc_name
, current_gc_name
);
1928 safepoints
= info
->flags
& MONO_AOT_FILE_FLAG_SAFEPOINTS
;
1930 if (!safepoints
&& mono_threads_are_safepoints_enabled ()) {
1931 msg
= g_strdup_printf ("not compiled with safepoints");
1940 * TABLE should point to a table of call instructions. Return the address called by the INDEXth entry.
1943 get_call_table_entry (void *table
, int index
)
1945 #if defined(TARGET_ARM)
1950 ins_addr
= (guint32
*)table
+ (index
* 2);
1951 if ((guint32
) *ins_addr
== (guint32
) 0xe51ff004) { // ldr pc, =<label>
1952 return *((char **) (ins_addr
+ 1));
1955 ins_addr
= (guint32
*)table
+ index
;
1957 if ((ins
>> ARMCOND_SHIFT
) == ARMCOND_NV
) {
1959 offset
= (((int)(((ins
& 0xffffff) << 1) | ((ins
>> 24) & 0x1))) << 7) >> 7;
1960 return (char*)ins_addr
+ (offset
* 2) + 8 + 1;
1962 g_assert ((ins
>> ARMCOND_SHIFT
) == ARMCOND_AL
);
1964 offset
= (((int)ins
& 0xffffff) << 8) >> 8;
1965 return (char*)ins_addr
+ (offset
* 4) + 8;
1967 #elif defined(TARGET_ARM64)
1968 return mono_arch_get_call_target ((guint8
*)table
+ (index
* 4) + 4);
1969 #elif defined(TARGET_X86) || defined(TARGET_AMD64)
1970 /* The callee expects an ip which points after the call */
1971 return mono_arch_get_call_target ((guint8
*)table
+ (index
* 5) + 5);
1973 g_assert_not_reached ();
1981 * Initialize the shared got entries for AMODULE.
1984 init_amodule_got (MonoAotModule
*amodule
)
1988 MonoJumpInfo
*patches
;
1989 guint32 got_offsets
[128];
1993 /* These can't be initialized in load_aot_module () */
1994 if (amodule
->got_initialized
== GOT_INITIALIZED
)
1997 mono_loader_lock ();
2000 * If it is initialized some other thread did it in the meantime. If it is
2001 * initializing it means the current thread is initializing it since we are
2002 * holding the loader lock, skip it.
2004 if (amodule
->got_initialized
) {
2005 mono_loader_unlock ();
2009 amodule
->got_initialized
= GOT_INITIALIZING
;
2011 mp
= mono_mempool_new ();
2012 npatches
= amodule
->info
.nshared_got_entries
;
2013 for (i
= 0; i
< npatches
; ++i
)
2014 got_offsets
[i
] = i
;
2016 patches
= decode_patches (amodule
, mp
, npatches
, FALSE
, got_offsets
);
2018 patches
= decode_patches (amodule
, mp
, npatches
, TRUE
, got_offsets
);
2020 for (i
= 0; i
< npatches
; ++i
) {
2023 if (ji
->type
== MONO_PATCH_INFO_GC_CARD_TABLE_ADDR
&& !mono_gc_is_moving ()) {
2024 amodule
->shared_got
[i
] = NULL
;
2025 } else if (ji
->type
== MONO_PATCH_INFO_GC_NURSERY_START
&& !mono_gc_is_moving ()) {
2026 amodule
->shared_got
[i
] = NULL
;
2027 } else if (ji
->type
== MONO_PATCH_INFO_GC_NURSERY_BITS
&& !mono_gc_is_moving ()) {
2028 amodule
->shared_got
[i
] = NULL
;
2029 } else if (ji
->type
== MONO_PATCH_INFO_IMAGE
) {
2030 amodule
->shared_got
[i
] = amodule
->assembly
->image
;
2031 } else if (ji
->type
== MONO_PATCH_INFO_MSCORLIB_GOT_ADDR
) {
2032 if (mono_defaults
.corlib
) {
2033 MonoAotModule
*mscorlib_amodule
= mono_defaults
.corlib
->aot_module
;
2035 if (mscorlib_amodule
)
2036 amodule
->shared_got
[i
] = mscorlib_amodule
->got
;
2038 amodule
->shared_got
[i
] = amodule
->got
;
2040 } else if (ji
->type
== MONO_PATCH_INFO_AOT_MODULE
) {
2041 amodule
->shared_got
[i
] = amodule
;
2043 amodule
->shared_got
[i
] = mono_resolve_patch_target (NULL
, mono_get_root_domain (), NULL
, ji
, FALSE
, error
);
2044 mono_error_assert_ok (error
);
2049 for (i
= 0; i
< npatches
; ++i
)
2050 amodule
->got
[i
] = amodule
->shared_got
[i
];
2052 if (amodule
->llvm_got
) {
2053 for (i
= 0; i
< npatches
; ++i
)
2054 amodule
->llvm_got
[i
] = amodule
->shared_got
[i
];
2057 mono_mempool_destroy (mp
);
2059 mono_memory_barrier ();
2060 amodule
->got_initialized
= GOT_INITIALIZED
;
2061 mono_loader_unlock ();
2065 load_aot_module (MonoAssembly
*assembly
, gpointer user_data
)
2067 char *aot_name
, *found_aot_name
;
2068 MonoAotModule
*amodule
;
2070 gboolean usable
= TRUE
;
2071 char *version_symbol
= NULL
;
2073 gpointer
*globals
= NULL
;
2074 MonoAotFileInfo
*info
= NULL
;
2076 gboolean do_load_image
= TRUE
;
2077 int align_double
, align_int64
;
2078 guint8
*aot_data
= NULL
;
2080 if (mono_compile_aot
)
2083 if (mono_aot_mode
== MONO_AOT_MODE_NONE
)
2086 if (assembly
->image
->aot_module
)
2088 * Already loaded. This can happen because the assembly loading code might invoke
2089 * the assembly load hooks multiple times for the same assembly.
2093 if (image_is_dynamic (assembly
->image
) || mono_asmctx_get_kind (&assembly
->context
) == MONO_ASMCTX_REFONLY
|| mono_domain_get () != mono_get_root_domain ())
2098 if (container_assm_name
&& !container_amodule
) {
2099 char *local_ref
= container_assm_name
;
2100 container_assm_name
= NULL
;
2101 MonoImageOpenStatus status
= MONO_IMAGE_OK
;
2102 MonoAssemblyOpenRequest req
;
2103 gchar
*dll
= g_strdup_printf ( "%s.dll", local_ref
);
2104 mono_assembly_request_prepare (&req
.request
, sizeof (req
), MONO_ASMCTX_DEFAULT
);
2105 MonoAssembly
*assm
= mono_assembly_request_open (dll
, &req
, &status
);
2107 gchar
*exe
= g_strdup_printf ("%s.exe", local_ref
);
2108 assm
= mono_assembly_request_open (exe
, &req
, &status
);
2111 load_aot_module (assm
, NULL
);
2112 container_amodule
= assm
->image
->aot_module
;
2115 if (static_aot_modules
)
2116 info
= (MonoAotFileInfo
*)g_hash_table_lookup (static_aot_modules
, assembly
->aname
.name
);
2122 found_aot_name
= NULL
;
2125 /* Statically linked AOT module */
2126 aot_name
= g_strdup_printf ("%s", assembly
->aname
.name
);
2127 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "Found statically linked AOT module '%s'.", aot_name
);
2128 if (!(info
->flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) {
2129 globals
= (void **)info
->globals
;
2132 found_aot_name
= g_strdup (aot_name
);
2136 if (enable_aot_cache
)
2137 sofile
= aot_cache_load_module (assembly
, &aot_name
);
2139 aot_name
= g_strdup_printf ("%s%s", assembly
->image
->name
, MONO_SOLIB_EXT
);
2141 sofile
= mono_dl_open (aot_name
, MONO_DL_LAZY
, &err
);
2143 found_aot_name
= g_strdup (aot_name
);
2145 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' not found: %s", aot_name
, err
);
2150 #ifndef PLATFORM_ANDROID
2152 char *basename
= g_path_get_basename (assembly
->image
->name
);
2153 aot_name
= g_strdup_printf ("%s/mono/aot-cache/%s/%s%s", mono_assembly_getrootdir(), MONO_ARCHITECTURE
, basename
, MONO_SOLIB_EXT
);
2155 sofile
= mono_dl_open (aot_name
, MONO_DL_LAZY
, &err
);
2157 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' not found: %s", aot_name
, err
);
2166 for (l
= mono_aot_paths
; l
; l
= l
->next
) {
2167 char *path
= (char*)l
->data
;
2169 char *basename
= g_path_get_basename (assembly
->image
->name
);
2170 aot_name
= g_strdup_printf ("%s/%s%s", path
, basename
, MONO_SOLIB_EXT
);
2171 sofile
= mono_dl_open (aot_name
, MONO_DL_LAZY
, &err
);
2173 found_aot_name
= g_strdup (aot_name
);
2175 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' not found: %s", aot_name
, err
);
2185 if (mono_aot_only
&& !mono_use_interpreter
&& assembly
->image
->tables
[MONO_TABLE_METHOD
].rows
) {
2186 aot_name
= g_strdup_printf ("%s%s", assembly
->image
->name
, MONO_SOLIB_EXT
);
2187 g_error ("Failed to load AOT module '%s' in aot-only mode.\n", aot_name
);
2195 find_symbol (sofile
, globals
, "mono_aot_version", (gpointer
*) &version_symbol
);
2196 find_symbol (sofile
, globals
, "mono_aot_file_info", (gpointer
*)&info
);
2199 // Copy aotid to MonoImage
2200 memcpy(&assembly
->image
->aotid
, info
->aotid
, 16);
2202 if (version_symbol
) {
2203 /* Old file format */
2204 version
= atoi (version_symbol
);
2207 version
= info
->version
;
2210 if (version
!= MONO_AOT_FILE_VERSION
) {
2211 msg
= g_strdup_printf ("wrong file format version (expected %d got %d)", MONO_AOT_FILE_VERSION
, version
);
2217 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
) {
2218 aot_data
= open_aot_data (assembly
, info
, &handle
);
2220 blob
= aot_data
+ info
->table_offsets
[MONO_AOT_TABLE_BLOB
];
2222 blob
= (guint8
*)info
->blob
;
2225 usable
= check_usable (assembly
, info
, blob
, &msg
);
2229 if (mono_aot_only
) {
2230 g_error ("Failed to load AOT module '%s' while running in aot-only mode: %s.\n", found_aot_name
, msg
);
2232 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: module %s is unusable: %s.", found_aot_name
, msg
);
2235 g_free (found_aot_name
);
2237 mono_dl_close (sofile
);
2238 assembly
->image
->aot_module
= NULL
;
2243 align_double
= MONO_ABI_ALIGNOF (double);
2244 align_int64
= MONO_ABI_ALIGNOF (gint64
);
2245 int card_table_shift_bits
= 0;
2246 gpointer card_table_mask
= NULL
;
2247 mono_gc_get_card_table (&card_table_shift_bits
, &card_table_mask
);
2249 g_assert (info
->double_align
== align_double
);
2250 g_assert (info
->long_align
== align_int64
);
2251 g_assert (info
->generic_tramp_num
== MONO_TRAMPOLINE_NUM
);
2252 g_assert (info
->card_table_shift_bits
== card_table_shift_bits
);
2253 g_assert (info
->card_table_mask
== GPOINTER_TO_UINT (card_table_mask
));
2255 amodule
= g_new0 (MonoAotModule
, 1);
2256 amodule
->aot_name
= found_aot_name
;
2257 amodule
->assembly
= assembly
;
2259 memcpy (&amodule
->info
, info
, sizeof (*info
));
2261 amodule
->got
= (void **)amodule
->info
.jit_got
;
2262 amodule
->llvm_got
= (void **)amodule
->info
.llvm_got
;
2263 amodule
->globals
= globals
;
2264 amodule
->sofile
= sofile
;
2265 amodule
->method_to_code
= g_hash_table_new (mono_aligned_addr_hash
, NULL
);
2266 amodule
->extra_methods
= g_hash_table_new (NULL
, NULL
);
2267 amodule
->shared_got
= g_new0 (gpointer
, info
->nshared_got_entries
);
2269 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
) {
2270 for (i
= 0; i
< MONO_AOT_TABLE_NUM
; ++i
)
2271 amodule
->tables
[i
] = aot_data
+ info
->table_offsets
[i
];
2274 mono_os_mutex_init_recursive (&amodule
->mutex
);
2276 /* Read image table */
2278 guint32 table_len
, i
;
2281 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
)
2282 table
= (char *)amodule
->tables
[MONO_AOT_TABLE_IMAGE_TABLE
];
2284 table
= (char *)info
->image_table
;
2287 table_len
= *(guint32
*)table
;
2288 table
+= sizeof (guint32
);
2289 amodule
->image_table
= g_new0 (MonoImage
*, table_len
);
2290 amodule
->image_names
= g_new0 (MonoAssemblyName
, table_len
);
2291 amodule
->image_guids
= g_new0 (char*, table_len
);
2292 amodule
->image_table_len
= table_len
;
2293 for (i
= 0; i
< table_len
; ++i
) {
2294 MonoAssemblyName
*aname
= &(amodule
->image_names
[i
]);
2296 aname
->name
= g_strdup (table
);
2297 table
+= strlen (table
) + 1;
2298 amodule
->image_guids
[i
] = g_strdup (table
);
2299 table
+= strlen (table
) + 1;
2301 aname
->culture
= g_strdup (table
);
2302 table
+= strlen (table
) + 1;
2303 memcpy (aname
->public_key_token
, table
, strlen (table
) + 1);
2304 table
+= strlen (table
) + 1;
2306 table
= (char *)ALIGN_PTR_TO (table
, 8);
2307 aname
->flags
= *(guint32
*)table
;
2309 aname
->major
= *(guint32
*)table
;
2311 aname
->minor
= *(guint32
*)table
;
2313 aname
->build
= *(guint32
*)table
;
2315 aname
->revision
= *(guint32
*)table
;
2320 amodule
->jit_code_start
= (guint8
*)info
->jit_code_start
;
2321 amodule
->jit_code_end
= (guint8
*)info
->jit_code_end
;
2322 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
) {
2323 amodule
->blob
= (guint8
*)amodule
->tables
[MONO_AOT_TABLE_BLOB
];
2324 amodule
->method_info_offsets
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_METHOD_INFO_OFFSETS
];
2325 amodule
->ex_info_offsets
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_EX_INFO_OFFSETS
];
2326 amodule
->class_info_offsets
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_CLASS_INFO_OFFSETS
];
2327 amodule
->class_name_table
= (guint16
*)amodule
->tables
[MONO_AOT_TABLE_CLASS_NAME
];
2328 amodule
->extra_method_table
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_EXTRA_METHOD_TABLE
];
2329 amodule
->extra_method_info_offsets
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_EXTRA_METHOD_INFO_OFFSETS
];
2330 amodule
->got_info_offsets
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_GOT_INFO_OFFSETS
];
2331 amodule
->llvm_got_info_offsets
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_LLVM_GOT_INFO_OFFSETS
];
2332 amodule
->weak_field_indexes
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_WEAK_FIELD_INDEXES
];
2334 amodule
->blob
= (guint8
*)info
->blob
;
2335 amodule
->method_info_offsets
= (guint32
*)info
->method_info_offsets
;
2336 amodule
->ex_info_offsets
= (guint32
*)info
->ex_info_offsets
;
2337 amodule
->class_info_offsets
= (guint32
*)info
->class_info_offsets
;
2338 amodule
->class_name_table
= (guint16
*)info
->class_name_table
;
2339 amodule
->extra_method_table
= (guint32
*)info
->extra_method_table
;
2340 amodule
->extra_method_info_offsets
= (guint32
*)info
->extra_method_info_offsets
;
2341 amodule
->got_info_offsets
= (guint32
*)info
->got_info_offsets
;
2342 amodule
->llvm_got_info_offsets
= (guint32
*)info
->llvm_got_info_offsets
;
2343 amodule
->weak_field_indexes
= (guint32
*)info
->weak_field_indexes
;
2345 amodule
->unbox_trampolines
= (guint32
*)info
->unbox_trampolines
;
2346 amodule
->unbox_trampolines_end
= (guint32
*)info
->unbox_trampolines_end
;
2347 amodule
->unbox_trampoline_addresses
= (guint32
*)info
->unbox_trampoline_addresses
;
2348 amodule
->unwind_info
= (guint8
*)info
->unwind_info
;
2349 amodule
->mem_begin
= (guint8
*)amodule
->jit_code_start
;
2350 amodule
->mem_end
= (guint8
*)info
->mem_end
;
2351 amodule
->plt
= (guint8
*)info
->plt
;
2352 amodule
->plt_end
= (guint8
*)info
->plt_end
;
2353 amodule
->mono_eh_frame
= (guint8
*)info
->mono_eh_frame
;
2354 amodule
->trampolines
[MONO_AOT_TRAMP_SPECIFIC
] = (guint8
*)info
->specific_trampolines
;
2355 amodule
->trampolines
[MONO_AOT_TRAMP_STATIC_RGCTX
] = (guint8
*)info
->static_rgctx_trampolines
;
2356 amodule
->trampolines
[MONO_AOT_TRAMP_IMT
] = (guint8
*)info
->imt_trampolines
;
2357 amodule
->trampolines
[MONO_AOT_TRAMP_GSHAREDVT_ARG
] = (guint8
*)info
->gsharedvt_arg_trampolines
;
2358 amodule
->trampolines
[MONO_AOT_TRAMP_FTNPTR_ARG
] = (guint8
*)info
->ftnptr_arg_trampolines
;
2359 amodule
->trampolines
[MONO_AOT_TRAMP_UNBOX_ARBITRARY
] = (guint8
*)info
->unbox_arbitrary_trampolines
;
2361 if (mono_is_corlib_image (assembly
->image
))
2362 mscorlib_aot_module
= amodule
;
2364 /* Compute method addresses */
2365 amodule
->methods
= (void **)g_malloc0 (amodule
->info
.nmethods
* sizeof (gpointer
));
2366 for (i
= 0; i
< amodule
->info
.nmethods
; ++i
) {
2369 if (amodule
->info
.llvm_get_method
) {
2370 gpointer (*get_method
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_method
;
2372 addr
= get_method (i
);
2375 /* method_addresses () contains a table of branches, since the ios linker can update those correctly */
2376 if (!addr
&& amodule
->info
.method_addresses
) {
2377 addr
= get_call_table_entry (amodule
->info
.method_addresses
, i
);
2379 if (addr
== amodule
->info
.method_addresses
)
2383 amodule
->methods
[i
] = GINT_TO_POINTER (-1);
2385 amodule
->methods
[i
] = addr
;
2388 if (make_unreadable
) {
2389 #ifndef TARGET_WIN32
2391 guint8
*page_start
, *page_end
;
2394 addr
= amodule
->mem_begin
;
2396 len
= amodule
->mem_end
- amodule
->mem_begin
;
2398 /* Round down in both directions to avoid modifying data which is not ours */
2399 page_start
= (guint8
*) (((gssize
) (addr
)) & ~ (mono_pagesize () - 1)) + mono_pagesize ();
2400 page_end
= (guint8
*) (((gssize
) (addr
+ len
)) & ~ (mono_pagesize () - 1));
2401 if (page_end
> page_start
) {
2402 err
= mono_mprotect (page_start
, (page_end
- page_start
), MONO_MMAP_NONE
);
2403 g_assert (err
== 0);
2408 /* Compute the boundaries of LLVM code */
2409 if (info
->flags
& MONO_AOT_FILE_FLAG_WITH_LLVM
)
2410 compute_llvm_code_range (amodule
, &amodule
->llvm_code_start
, &amodule
->llvm_code_end
);
2414 if (amodule
->jit_code_start
) {
2415 aot_code_low_addr
= MIN (aot_code_low_addr
, (gsize
)amodule
->jit_code_start
);
2416 aot_code_high_addr
= MAX (aot_code_high_addr
, (gsize
)amodule
->jit_code_end
);
2418 if (amodule
->llvm_code_start
) {
2419 aot_code_low_addr
= MIN (aot_code_low_addr
, (gsize
)amodule
->llvm_code_start
);
2420 aot_code_high_addr
= MAX (aot_code_high_addr
, (gsize
)amodule
->llvm_code_end
);
2423 g_hash_table_insert (aot_modules
, assembly
, amodule
);
2426 if (amodule
->jit_code_start
)
2427 mono_jit_info_add_aot_module (assembly
->image
, amodule
->jit_code_start
, amodule
->jit_code_end
);
2428 if (amodule
->llvm_code_start
)
2429 mono_jit_info_add_aot_module (assembly
->image
, amodule
->llvm_code_start
, amodule
->llvm_code_end
);
2431 assembly
->image
->aot_module
= amodule
;
2433 if (mono_aot_only
&& !mono_llvm_only
) {
2435 find_amodule_symbol (amodule
, "specific_trampolines_page", (gpointer
*)&code
);
2436 amodule
->use_page_trampolines
= code
!= NULL
;
2437 /*g_warning ("using page trampolines: %d", amodule->use_page_trampolines);*/
2441 * Register the plt region as a single trampoline so we can unwind from this code
2443 mono_aot_tramp_info_register (
2444 mono_tramp_info_create (
2447 amodule
->plt_end
- amodule
->plt
,
2449 mono_unwind_get_cie_program ()
2455 * Since we store methoddef and classdef tokens when referring to methods/classes in
2456 * referenced assemblies, we depend on the exact versions of the referenced assemblies.
2457 * MS calls this 'hard binding'. This means we have to load all referenced assemblies
2458 * non-lazily, since we can't handle out-of-date errors later.
2459 * The cached class info also depends on the exact assemblies.
2461 if (do_load_image
) {
2462 for (i
= 0; i
< amodule
->image_table_len
; ++i
) {
2464 load_image (amodule
, i
, error
);
2465 mono_error_cleanup (error
); /* FIXME don't swallow the error */
2469 if (amodule
->out_of_date
) {
2470 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: Module %s is unusable because a dependency is out-of-date.", assembly
->image
->name
);
2472 g_error ("Failed to load AOT module '%s' while running in aot-only mode because a dependency cannot be found or it is out of date.\n", found_aot_name
);
2474 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' found.", found_aot_name
);
2479 * mono_aot_register_module:
2481 * This should be called by embedding code to register normal AOT modules statically linked
2482 * into the executable.
2484 * \param aot_info the value of the 'mono_aot_module_<ASSEMBLY_NAME>_info' global symbol from the AOT module.
2487 mono_aot_register_module (gpointer
*aot_info
)
2491 MonoAotFileInfo
*info
= (MonoAotFileInfo
*)aot_info
;
2493 g_assert (info
->version
== MONO_AOT_FILE_VERSION
);
2495 if (!(info
->flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) {
2496 globals
= (void **)info
->globals
;
2500 aname
= (char *)info
->assembly_name
;
2502 /* This could be called before startup */
2506 if (!static_aot_modules
)
2507 static_aot_modules
= g_hash_table_new (g_str_hash
, g_str_equal
);
2509 g_hash_table_insert (static_aot_modules
, aname
, info
);
2511 if (info
->flags
& MONO_AOT_FILE_FLAG_EAGER_LOAD
) {
2512 g_assert (!container_assm_name
);
2513 container_assm_name
= aname
;
2521 mono_aot_init (void)
2523 mono_os_mutex_init_recursive (&aot_mutex
);
2524 mono_os_mutex_init_recursive (&aot_page_mutex
);
2525 aot_modules
= g_hash_table_new (NULL
, NULL
);
2527 mono_install_assembly_load_hook (load_aot_module
, NULL
);
2528 mono_counters_register ("Async JIT info size", MONO_COUNTER_INT
|MONO_COUNTER_JIT
, &async_jit_info_size
);
2530 char *lastaot
= g_getenv ("MONO_LASTAOT");
2532 mono_last_aot_method
= atoi (lastaot
);
2539 mono_aot_cleanup (void)
2541 g_hash_table_destroy (aot_jit_icall_hash
);
2542 g_hash_table_destroy (aot_modules
);
2546 decode_cached_class_info (MonoAotModule
*module
, MonoCachedClassInfo
*info
, guint8
*buf
, guint8
**endbuf
)
2553 info
->vtable_size
= decode_value (buf
, &buf
);
2554 if (info
->vtable_size
== -1)
2557 flags
= decode_value (buf
, &buf
);
2558 info
->ghcimpl
= (flags
>> 0) & 0x1;
2559 info
->has_finalize
= (flags
>> 1) & 0x1;
2560 info
->has_cctor
= (flags
>> 2) & 0x1;
2561 info
->has_nested_classes
= (flags
>> 3) & 0x1;
2562 info
->blittable
= (flags
>> 4) & 0x1;
2563 info
->has_references
= (flags
>> 5) & 0x1;
2564 info
->has_static_refs
= (flags
>> 6) & 0x1;
2565 info
->no_special_static_fields
= (flags
>> 7) & 0x1;
2566 info
->is_generic_container
= (flags
>> 8) & 0x1;
2567 info
->has_weak_fields
= (flags
>> 9) & 0x1;
2569 if (info
->has_cctor
) {
2570 res
= decode_method_ref (module
, &ref
, buf
, &buf
, error
);
2571 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
2574 info
->cctor_token
= ref
.token
;
2576 if (info
->has_finalize
) {
2577 res
= decode_method_ref (module
, &ref
, buf
, &buf
, error
);
2578 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
2581 info
->finalize_image
= ref
.image
;
2582 info
->finalize_token
= ref
.token
;
2585 info
->instance_size
= decode_value (buf
, &buf
);
2586 info
->class_size
= decode_value (buf
, &buf
);
2587 info
->packing_size
= decode_value (buf
, &buf
);
2588 info
->min_align
= decode_value (buf
, &buf
);
2596 mono_aot_get_method_from_vt_slot (MonoDomain
*domain
, MonoVTable
*vtable
, int slot
, MonoError
*error
)
2599 MonoClass
*klass
= vtable
->klass
;
2600 MonoAotModule
*amodule
= m_class_get_image (klass
)->aot_module
;
2602 MonoCachedClassInfo class_info
;
2607 ERROR_DECL (inner_error
);
2611 if (MONO_CLASS_IS_INTERFACE_INTERNAL (klass
) || m_class_get_rank (klass
) || !amodule
)
2614 info
= &amodule
->blob
[mono_aot_get_offset (amodule
->class_info_offsets
, mono_metadata_token_index (m_class_get_type_token (klass
)) - 1)];
2617 err
= decode_cached_class_info (amodule
, &class_info
, p
, &p
);
2621 for (i
= 0; i
< slot
; ++i
) {
2622 decode_method_ref (amodule
, &ref
, p
, &p
, inner_error
);
2623 mono_error_cleanup (inner_error
); /* FIXME don't swallow the error */
2626 res
= decode_method_ref (amodule
, &ref
, p
, &p
, inner_error
);
2627 mono_error_cleanup (inner_error
); /* FIXME don't swallow the error */
2630 if (ref
.no_aot_trampoline
)
2633 if (mono_metadata_token_index (ref
.token
) == 0 || mono_metadata_token_table (ref
.token
) != MONO_TABLE_METHOD
)
2636 addr
= mono_aot_get_method_from_token (domain
, ref
.image
, ref
.token
, error
);
2641 mono_aot_get_cached_class_info (MonoClass
*klass
, MonoCachedClassInfo
*res
)
2643 MonoAotModule
*amodule
= m_class_get_image (klass
)->aot_module
;
2647 if (m_class_get_rank (klass
) || !m_class_get_type_token (klass
) || !amodule
)
2650 p
= (guint8
*)&amodule
->blob
[mono_aot_get_offset (amodule
->class_info_offsets
, mono_metadata_token_index (m_class_get_type_token (klass
)) - 1)];
2652 err
= decode_cached_class_info (amodule
, res
, p
, &p
);
2660 * mono_aot_get_class_from_name:
2662 * Obtains a MonoClass with a given namespace and a given name which is located in IMAGE,
2663 * using a cache stored in the AOT file.
2664 * Stores the resulting class in *KLASS if found, stores NULL otherwise.
2666 * Returns: TRUE if the klass was found/not found in the cache, FALSE if no aot file was
2670 mono_aot_get_class_from_name (MonoImage
*image
, const char *name_space
, const char *name
, MonoClass
**klass
)
2672 MonoAotModule
*amodule
= image
->aot_module
;
2673 guint16
*table
, *entry
;
2676 char full_name_buf
[1024];
2678 const char *name2
, *name_space2
;
2680 guint32 cols
[MONO_TYPEDEF_SIZE
];
2681 GHashTable
*nspace_table
;
2683 if (!amodule
|| !amodule
->class_name_table
)
2686 amodule_lock (amodule
);
2690 /* First look in the cache */
2691 if (!amodule
->name_cache
)
2692 amodule
->name_cache
= g_hash_table_new (g_str_hash
, g_str_equal
);
2693 nspace_table
= (GHashTable
*)g_hash_table_lookup (amodule
->name_cache
, name_space
);
2695 *klass
= (MonoClass
*)g_hash_table_lookup (nspace_table
, name
);
2697 amodule_unlock (amodule
);
2702 table_size
= amodule
->class_name_table
[0];
2703 table
= amodule
->class_name_table
+ 1;
2705 if (name_space
[0] == '\0')
2706 full_name
= g_strdup_printf ("%s", name
);
2708 if (strlen (name_space
) + strlen (name
) < 1000) {
2709 sprintf (full_name_buf
, "%s.%s", name_space
, name
);
2710 full_name
= full_name_buf
;
2712 full_name
= g_strdup_printf ("%s.%s", name_space
, name
);
2715 hash
= mono_metadata_str_hash (full_name
) % table_size
;
2716 if (full_name
!= full_name_buf
)
2719 entry
= &table
[hash
* 2];
2721 if (entry
[0] != 0) {
2722 t
= &image
->tables
[MONO_TABLE_TYPEDEF
];
2725 guint32 index
= entry
[0];
2726 guint32 next
= entry
[1];
2727 guint32 token
= mono_metadata_make_token (MONO_TABLE_TYPEDEF
, index
);
2729 name_table_accesses
++;
2731 mono_metadata_decode_row (t
, index
- 1, cols
, MONO_TYPEDEF_SIZE
);
2733 name2
= mono_metadata_string_heap (image
, cols
[MONO_TYPEDEF_NAME
]);
2734 name_space2
= mono_metadata_string_heap (image
, cols
[MONO_TYPEDEF_NAMESPACE
]);
2736 if (!strcmp (name
, name2
) && !strcmp (name_space
, name_space2
)) {
2738 amodule_unlock (amodule
);
2739 *klass
= mono_class_get_checked (image
, token
, error
);
2740 if (!mono_error_ok (error
))
2741 mono_error_cleanup (error
); /* FIXME don't swallow the error */
2745 amodule_lock (amodule
);
2746 nspace_table
= (GHashTable
*)g_hash_table_lookup (amodule
->name_cache
, name_space
);
2747 if (!nspace_table
) {
2748 nspace_table
= g_hash_table_new (g_str_hash
, g_str_equal
);
2749 g_hash_table_insert (amodule
->name_cache
, (char*)name_space2
, nspace_table
);
2751 g_hash_table_insert (nspace_table
, (char*)name2
, *klass
);
2752 amodule_unlock (amodule
);
2758 entry
= &table
[next
* 2];
2765 amodule_unlock (amodule
);
2771 mono_aot_get_weak_field_indexes (MonoImage
*image
)
2773 MonoAotModule
*amodule
= image
->aot_module
;
2778 /* Initialize weak field indexes from the cached copy */
2779 guint32
*indexes
= (guint32
*)amodule
->weak_field_indexes
;
2780 int len
= indexes
[0];
2781 GHashTable
*indexes_hash
= g_hash_table_new (NULL
, NULL
);
2782 for (int i
= 0; i
< len
; ++i
)
2783 g_hash_table_insert (indexes_hash
, GUINT_TO_POINTER (indexes
[i
+ 1]), GUINT_TO_POINTER (1));
2784 return indexes_hash
;
2787 /* Compute the boundaries of the LLVM code for AMODULE. */
2789 compute_llvm_code_range (MonoAotModule
*amodule
, guint8
**code_start
, guint8
**code_end
)
2792 int version
, fde_count
;
2795 if (amodule
->info
.llvm_get_method
) {
2796 gpointer (*get_method
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_method
;
2799 gsize min
= 1 << 30, max
= 0;
2802 // FIXME: This depends on emscripten allocating ftnptr ids sequentially
2803 for (int i
= 0; i
< amodule
->info
.nmethods
; ++i
) {
2806 addr
= get_method (i
);
2807 gsize val
= (gsize
)addr
;
2809 g_assert (val
> prev
);
2818 *code_start
= (guint8
*)min
;
2819 *code_end
= (guint8
*)(max
+ 1);
2825 *code_start
= (guint8
*)get_method (-1);
2826 *code_end
= (guint8
*)get_method (-2);
2828 g_assert (*code_end
> *code_start
);
2833 g_assert (amodule
->mono_eh_frame
);
2835 p
= amodule
->mono_eh_frame
;
2837 /* p points to data emitted by LLVM in DwarfException::EmitMonoEHFrame () */
2841 g_assert (version
== 3);
2844 p
= (guint8
*)ALIGN_PTR_TO (p
, 4);
2846 fde_count
= *(guint32
*)p
;
2850 if (fde_count
> 0) {
2851 *code_start
= (guint8
*)amodule
->methods
[table
[0]];
2852 *code_end
= (guint8
*)amodule
->methods
[table
[(fde_count
- 1) * 2]] + table
[fde_count
* 2];
2860 is_llvm_code (MonoAotModule
*amodule
, guint8
*code
)
2865 if ((guint8
*)code
>= amodule
->llvm_code_start
&& (guint8
*)code
< amodule
->llvm_code_end
)
2873 is_thumb_code (MonoAotModule
*amodule
, guint8
*code
)
2875 if (is_llvm_code (amodule
, code
) && (amodule
->info
.flags
& MONO_AOT_FILE_FLAG_LLVM_THUMB
))
2882 * decode_llvm_mono_eh_frame:
2884 * Decode the EH information emitted by our modified LLVM compiler and construct a
2885 * MonoJitInfo structure from it.
2886 * If JINFO is NULL, set OUT_LLVM_CLAUSES to the number of llvm level clauses.
2887 * This function is async safe when called in async context.
2890 decode_llvm_mono_eh_frame (MonoAotModule
*amodule
, MonoDomain
*domain
, MonoJitInfo
*jinfo
,
2891 guint8
*code
, guint32 code_len
,
2892 MonoJitExceptionInfo
*clauses
, int num_clauses
,
2894 int *this_reg
, int *this_offset
, int *out_llvm_clauses
)
2896 guint8
*p
, *code1
, *code2
;
2897 guint8
*fde
, *cie
, *code_start
, *code_end
;
2898 int version
, fde_count
;
2900 int i
, pos
, left
, right
;
2901 MonoJitExceptionInfo
*ei
;
2902 guint32 fde_len
, ei_len
, nested_len
, nindex
;
2903 gpointer
*type_info
;
2904 MonoLLVMFDEInfo info
;
2908 async
= mono_thread_info_is_async_context ();
2910 if (!amodule
->mono_eh_frame
) {
2912 *out_llvm_clauses
= num_clauses
;
2915 memcpy (jinfo
->clauses
, clauses
, num_clauses
* sizeof (MonoJitExceptionInfo
));
2919 g_assert (amodule
->mono_eh_frame
&& code
);
2921 p
= amodule
->mono_eh_frame
;
2923 /* p points to data emitted by LLVM in DwarfMonoException::EmitMonoEHFrame () */
2927 g_assert (version
== 3);
2929 /* func_encoding = *p; */
2931 p
= (guint8
*)ALIGN_PTR_TO (p
, 4);
2933 fde_count
= *(guint32
*)p
;
2937 /* There is +1 entry in the table */
2938 cie
= p
+ ((fde_count
+ 1) * 8);
2940 /* Binary search in the table to find the entry for code */
2944 pos
= (left
+ right
) / 2;
2946 /* The table contains method index/fde offset pairs */
2947 g_assert (table
[(pos
* 2)] != -1);
2948 code1
= (guint8
*)amodule
->methods
[table
[(pos
* 2)]];
2949 if (pos
+ 1 == fde_count
) {
2950 code2
= amodule
->llvm_code_end
;
2952 g_assert (table
[(pos
+ 1) * 2] != -1);
2953 code2
= (guint8
*)amodule
->methods
[table
[(pos
+ 1) * 2]];
2958 else if (code
>= code2
)
2964 code_start
= (guint8
*)amodule
->methods
[table
[(pos
* 2)]];
2965 if (pos
+ 1 == fde_count
) {
2966 /* The +1 entry in the table contains the length of the last method */
2967 int len
= table
[(pos
+ 1) * 2];
2968 code_end
= code_start
+ len
;
2970 code_end
= (guint8
*)amodule
->methods
[table
[(pos
+ 1) * 2]];
2973 code_len
= code_end
- code_start
;
2975 g_assert (code
>= code_start
&& code
< code_end
);
2977 if (is_thumb_code (amodule
, code_start
))
2978 /* Clear thumb flag */
2979 code_start
= (guint8
*)(((gsize
)code_start
) & ~1);
2981 fde
= amodule
->mono_eh_frame
+ table
[(pos
* 2) + 1];
2982 /* This won't overflow because there is +1 entry in the table */
2983 fde_len
= table
[(pos
* 2) + 2 + 1] - table
[(pos
* 2) + 1];
2985 /* Compute lengths */
2986 mono_unwind_decode_llvm_mono_fde (fde
, fde_len
, cie
, code_start
, &info
, NULL
, NULL
, NULL
);
2989 /* These are leaked, but the leak is bounded */
2990 ei
= mono_domain_alloc0_lock_free (domain
, info
.ex_info_len
* sizeof (MonoJitExceptionInfo
));
2991 type_info
= mono_domain_alloc0_lock_free (domain
, info
.ex_info_len
* sizeof (gpointer
));
2992 unw_info
= mono_domain_alloc0_lock_free (domain
, info
.unw_info_len
);
2994 ei
= (MonoJitExceptionInfo
*)g_malloc0 (info
.ex_info_len
* sizeof (MonoJitExceptionInfo
));
2995 type_info
= (gpointer
*)g_malloc0 (info
.ex_info_len
* sizeof (gpointer
));
2996 unw_info
= (guint8
*)g_malloc0 (info
.unw_info_len
);
2998 mono_unwind_decode_llvm_mono_fde (fde
, fde_len
, cie
, code_start
, &info
, ei
, type_info
, unw_info
);
3000 ei_len
= info
.ex_info_len
;
3001 *this_reg
= info
.this_reg
;
3002 *this_offset
= info
.this_offset
;
3005 * LLVM might represent one IL region with multiple regions.
3008 /* Count number of nested clauses */
3010 for (i
= 0; i
< ei_len
; ++i
) {
3011 /* This might be unaligned */
3012 gint32 cindex1
= read32 (type_info
[i
]);
3015 for (l
= nesting
[cindex1
]; l
; l
= l
->next
)
3020 *out_llvm_clauses
= ei_len
+ nested_len
;
3024 /* Store the unwind info addr/length in the MonoJitInfo structure itself so its async safe */
3025 MonoUnwindJitInfo
*jinfo_unwind
= mono_jit_info_get_unwind_info (jinfo
);
3026 g_assert (jinfo_unwind
);
3027 jinfo_unwind
->unw_info
= unw_info
;
3028 jinfo_unwind
->unw_info_len
= info
.unw_info_len
;
3030 for (i
= 0; i
< ei_len
; ++i
) {
3032 * clauses contains the original IL exception info saved by the AOT
3033 * compiler, we have to combine that with the information produced by LLVM
3035 /* The type_info entries contain IL clause indexes */
3036 int clause_index
= read32 (type_info
[i
]);
3037 MonoJitExceptionInfo
*jei
= &jinfo
->clauses
[i
];
3038 MonoJitExceptionInfo
*orig_jei
= &clauses
[clause_index
];
3040 g_assert (clause_index
< num_clauses
);
3041 jei
->flags
= orig_jei
->flags
;
3042 jei
->data
.catch_class
= orig_jei
->data
.catch_class
;
3044 jei
->try_start
= ei
[i
].try_start
;
3045 jei
->try_end
= ei
[i
].try_end
;
3046 jei
->handler_start
= ei
[i
].handler_start
;
3047 jei
->clause_index
= clause_index
;
3049 if (is_thumb_code (amodule
, (guint8
*)jei
->try_start
)) {
3050 jei
->try_start
= (void*)((gsize
)jei
->try_start
& ~1);
3051 jei
->try_end
= (void*)((gsize
)jei
->try_end
& ~1);
3052 /* Make sure we transition to thumb when a handler starts */
3053 jei
->handler_start
= (void*)((gsize
)jei
->handler_start
+ 1);
3057 /* See exception_cb () in mini-llvm.c as to why this is needed */
3059 for (i
= 0; i
< ei_len
; ++i
) {
3060 gint32 cindex1
= read32 (type_info
[i
]);
3063 for (l
= nesting
[cindex1
]; l
; l
= l
->next
) {
3064 gint32 nesting_cindex
= GPOINTER_TO_INT (l
->data
);
3065 MonoJitExceptionInfo
*nesting_ei
;
3066 MonoJitExceptionInfo
*nesting_clause
= &clauses
[nesting_cindex
];
3068 nesting_ei
= &jinfo
->clauses
[nindex
];
3071 memcpy (nesting_ei
, &jinfo
->clauses
[i
], sizeof (MonoJitExceptionInfo
));
3072 nesting_ei
->flags
= nesting_clause
->flags
;
3073 nesting_ei
->data
.catch_class
= nesting_clause
->data
.catch_class
;
3074 nesting_ei
->clause_index
= nesting_cindex
;
3077 g_assert (nindex
== ei_len
+ nested_len
);
3081 alloc0_jit_info_data (MonoDomain
*domain
, int size
, gboolean async_context
)
3083 #define alloc0_jit_info_data(domain, size, async_context) (g_cast (alloc0_jit_info_data ((domain), (size), (async_context))))
3088 if (async_context
) {
3089 res
= mono_domain_alloc0_lock_free (domain
, size
);
3090 mono_atomic_fetch_add_i32 (&async_jit_info_size
, size
);
3092 res
= mono_domain_alloc0 (domain
, size
);
3098 * LOCKING: Acquires the domain lock.
3099 * In async context, this is async safe.
3102 decode_exception_debug_info (MonoAotModule
*amodule
, MonoDomain
*domain
,
3103 MonoMethod
*method
, guint8
* ex_info
,
3104 guint8
*code
, guint32 code_len
)
3107 int i
, buf_len
, num_clauses
, len
;
3109 MonoJitInfoFlags flags
= JIT_INFO_NONE
;
3110 guint unwind_info
, eflags
;
3111 gboolean has_generic_jit_info
, has_dwarf_unwind_info
, has_clauses
, has_seq_points
, has_try_block_holes
, has_arch_eh_jit_info
;
3112 gboolean from_llvm
, has_gc_map
;
3114 int try_holes_info_size
, num_holes
;
3115 int this_reg
= 0, this_offset
= 0;
3118 /* Load the method info from the AOT file */
3119 async
= mono_thread_info_is_async_context ();
3122 eflags
= decode_value (p
, &p
);
3123 has_generic_jit_info
= (eflags
& 1) != 0;
3124 has_dwarf_unwind_info
= (eflags
& 2) != 0;
3125 has_clauses
= (eflags
& 4) != 0;
3126 has_seq_points
= (eflags
& 8) != 0;
3127 from_llvm
= (eflags
& 16) != 0;
3128 has_try_block_holes
= (eflags
& 32) != 0;
3129 has_gc_map
= (eflags
& 64) != 0;
3130 has_arch_eh_jit_info
= (eflags
& 128) != 0;
3132 if (has_dwarf_unwind_info
) {
3133 unwind_info
= decode_value (p
, &p
);
3134 g_assert (unwind_info
< (1 << 30));
3136 unwind_info
= decode_value (p
, &p
);
3138 if (has_generic_jit_info
)
3139 flags
|= JIT_INFO_HAS_GENERIC_JIT_INFO
;
3141 if (has_try_block_holes
) {
3142 num_holes
= decode_value (p
, &p
);
3143 flags
|= JIT_INFO_HAS_TRY_BLOCK_HOLES
;
3144 try_holes_info_size
= sizeof (MonoTryBlockHoleTableJitInfo
) + num_holes
* sizeof (MonoTryBlockHoleJitInfo
);
3146 num_holes
= try_holes_info_size
= 0;
3149 if (has_arch_eh_jit_info
) {
3150 flags
|= JIT_INFO_HAS_ARCH_EH_INFO
;
3151 /* Overwrite the original code_len which includes alignment padding */
3152 code_len
= decode_value (p
, &p
);
3155 /* Exception table */
3157 num_clauses
= decode_value (p
, &p
);
3162 MonoJitExceptionInfo
*clauses
;
3166 * Part of the info is encoded by the AOT compiler, the rest is in the .eh_frame
3170 if (num_clauses
< 16) {
3171 clauses
= g_newa (MonoJitExceptionInfo
, num_clauses
);
3172 nesting
= g_newa (GSList
*, num_clauses
);
3174 clauses
= alloc0_jit_info_data (domain
, sizeof (MonoJitExceptionInfo
) * num_clauses
, TRUE
);
3175 nesting
= alloc0_jit_info_data (domain
, sizeof (GSList
*) * num_clauses
, TRUE
);
3177 memset (clauses
, 0, sizeof (MonoJitExceptionInfo
) * num_clauses
);
3178 memset (nesting
, 0, sizeof (GSList
*) * num_clauses
);
3180 clauses
= g_new0 (MonoJitExceptionInfo
, num_clauses
);
3181 nesting
= g_new0 (GSList
*, num_clauses
);
3184 for (i
= 0; i
< num_clauses
; ++i
) {
3185 MonoJitExceptionInfo
*ei
= &clauses
[i
];
3187 ei
->flags
= decode_value (p
, &p
);
3189 if (!(ei
->flags
== MONO_EXCEPTION_CLAUSE_FILTER
|| ei
->flags
== MONO_EXCEPTION_CLAUSE_FINALLY
)) {
3190 int len
= decode_value (p
, &p
);
3196 ei
->data
.catch_class
= decode_klass_ref (amodule
, p
, &p
, error
);
3197 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3202 ei
->clause_index
= i
;
3204 ei
->try_offset
= decode_value (p
, &p
);
3205 ei
->try_len
= decode_value (p
, &p
);
3206 ei
->handler_offset
= decode_value (p
, &p
);
3207 ei
->handler_len
= decode_value (p
, &p
);
3209 /* Read the list of nesting clauses */
3211 int nesting_index
= decode_value (p
, &p
);
3212 if (nesting_index
== -1)
3216 nesting
[i
] = g_slist_prepend (nesting
[i
], GINT_TO_POINTER (nesting_index
));
3220 flags
|= JIT_INFO_HAS_UNWIND_INFO
;
3222 int num_llvm_clauses
;
3223 /* Get the length first */
3224 decode_llvm_mono_eh_frame (amodule
, domain
, NULL
, code
, code_len
, clauses
, num_clauses
, nesting
, &this_reg
, &this_offset
, &num_llvm_clauses
);
3225 len
= mono_jit_info_size (flags
, num_llvm_clauses
, num_holes
);
3226 jinfo
= (MonoJitInfo
*)alloc0_jit_info_data (domain
, len
, async
);
3227 mono_jit_info_init (jinfo
, method
, code
, code_len
, flags
, num_llvm_clauses
, num_holes
);
3229 decode_llvm_mono_eh_frame (amodule
, domain
, jinfo
, code
, code_len
, clauses
, num_clauses
, nesting
, &this_reg
, &this_offset
, NULL
);
3233 for (i
= 0; i
< num_clauses
; ++i
)
3234 g_slist_free (nesting
[i
]);
3237 jinfo
->from_llvm
= 1;
3239 len
= mono_jit_info_size (flags
, num_clauses
, num_holes
);
3240 jinfo
= (MonoJitInfo
*)alloc0_jit_info_data (domain
, len
, async
);
3241 mono_jit_info_init (jinfo
, method
, code
, code_len
, flags
, num_clauses
, num_holes
);
3243 for (i
= 0; i
< jinfo
->num_clauses
; ++i
) {
3244 MonoJitExceptionInfo
*ei
= &jinfo
->clauses
[i
];
3246 ei
->flags
= decode_value (p
, &p
);
3248 #ifdef MONO_CONTEXT_SET_LLVM_EXC_REG
3249 /* Not used for catch clauses */
3250 if (ei
->flags
!= MONO_EXCEPTION_CLAUSE_NONE
)
3251 ei
->exvar_offset
= decode_value (p
, &p
);
3253 ei
->exvar_offset
= decode_value (p
, &p
);
3256 if (ei
->flags
== MONO_EXCEPTION_CLAUSE_FILTER
|| ei
->flags
== MONO_EXCEPTION_CLAUSE_FINALLY
)
3257 ei
->data
.filter
= code
+ decode_value (p
, &p
);
3259 int len
= decode_value (p
, &p
);
3265 ei
->data
.catch_class
= decode_klass_ref (amodule
, p
, &p
, error
);
3266 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3271 ei
->try_start
= code
+ decode_value (p
, &p
);
3272 ei
->try_end
= code
+ decode_value (p
, &p
);
3273 ei
->handler_start
= code
+ decode_value (p
, &p
);
3276 jinfo
->unwind_info
= unwind_info
;
3277 jinfo
->domain_neutral
= 0;
3278 jinfo
->from_aot
= 1;
3281 if (has_try_block_holes
) {
3282 MonoTryBlockHoleTableJitInfo
*table
;
3284 g_assert (jinfo
->has_try_block_holes
);
3286 table
= mono_jit_info_get_try_block_hole_table_info (jinfo
);
3289 table
->num_holes
= (guint16
)num_holes
;
3290 for (i
= 0; i
< num_holes
; ++i
) {
3291 MonoTryBlockHoleJitInfo
*hole
= &table
->holes
[i
];
3292 hole
->clause
= decode_value (p
, &p
);
3293 hole
->length
= decode_value (p
, &p
);
3294 hole
->offset
= decode_value (p
, &p
);
3298 if (has_arch_eh_jit_info
) {
3299 MonoArchEHJitInfo
*eh_info
;
3301 g_assert (jinfo
->has_arch_eh_info
);
3303 eh_info
= mono_jit_info_get_arch_eh_info (jinfo
);
3304 eh_info
->stack_size
= decode_value (p
, &p
);
3305 eh_info
->epilog_size
= decode_value (p
, &p
);
3309 /* The rest is not needed in async mode */
3310 jinfo
->async
= TRUE
;
3311 jinfo
->d
.aot_info
= amodule
;
3316 if (has_generic_jit_info
) {
3317 MonoGenericJitInfo
*gi
;
3320 g_assert (jinfo
->has_generic_jit_info
);
3322 gi
= mono_jit_info_get_generic_jit_info (jinfo
);
3325 gi
->nlocs
= decode_value (p
, &p
);
3327 gi
->locations
= (MonoDwarfLocListEntry
*)alloc0_jit_info_data (domain
, gi
->nlocs
* sizeof (MonoDwarfLocListEntry
), async
);
3328 for (i
= 0; i
< gi
->nlocs
; ++i
) {
3329 MonoDwarfLocListEntry
*entry
= &gi
->locations
[i
];
3331 entry
->is_reg
= decode_value (p
, &p
);
3332 entry
->reg
= decode_value (p
, &p
);
3334 entry
->offset
= decode_value (p
, &p
);
3336 entry
->from
= decode_value (p
, &p
);
3337 entry
->to
= decode_value (p
, &p
);
3342 gi
->has_this
= this_reg
!= -1;
3343 gi
->this_reg
= this_reg
;
3344 gi
->this_offset
= this_offset
;
3346 gi
->has_this
= decode_value (p
, &p
);
3347 gi
->this_reg
= decode_value (p
, &p
);
3348 gi
->this_offset
= decode_value (p
, &p
);
3352 len
= decode_value (p
, &p
);
3356 jinfo
->d
.method
= decode_resolve_method_ref (amodule
, p
, &p
, error
);
3357 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3360 gi
->generic_sharing_context
= alloc0_jit_info_data (domain
, sizeof (MonoGenericSharingContext
), async
);
3361 if (decode_value (p
, &p
)) {
3363 MonoGenericSharingContext
*gsctx
= gi
->generic_sharing_context
;
3365 gsctx
->is_gsharedvt
= TRUE
;
3369 if (method
&& has_seq_points
) {
3370 MonoSeqPointInfo
*seq_points
;
3372 p
+= mono_seq_point_info_read (&seq_points
, p
, FALSE
);
3374 mono_domain_lock (domain
);
3375 /* This could be set already since this function can be called more than once for the same method */
3376 if (!g_hash_table_lookup (domain_jit_info (domain
)->seq_points
, method
))
3377 g_hash_table_insert (domain_jit_info (domain
)->seq_points
, method
, seq_points
);
3379 mono_seq_point_info_free (seq_points
);
3380 mono_domain_unlock (domain
);
3382 jinfo
->seq_points
= seq_points
;
3385 /* Load debug info */
3386 buf_len
= decode_value (p
, &p
);
3388 mono_debug_add_aot_method (domain
, method
, code
, p
, buf_len
);
3392 int map_size
= decode_value (p
, &p
);
3393 /* The GC map requires 4 bytes of alignment */
3394 while ((guint64
)(gsize
)p
% 4)
3400 if (amodule
!= m_class_get_image (jinfo
->d
.method
->klass
)->aot_module
) {
3403 ji_to_amodule
= g_hash_table_new (NULL
, NULL
);
3404 g_hash_table_insert (ji_to_amodule
, jinfo
, amodule
);
3412 amodule_contains_code_addr (MonoAotModule
*amodule
, guint8
*code
)
3414 return (code
>= amodule
->jit_code_start
&& code
<= amodule
->jit_code_end
) ||
3415 (code
>= amodule
->llvm_code_start
&& code
<= amodule
->llvm_code_end
);
3419 * mono_aot_get_unwind_info:
3421 * Return a pointer to the DWARF unwind info belonging to JI.
3424 mono_aot_get_unwind_info (MonoJitInfo
*ji
, guint32
*unwind_info_len
)
3426 MonoAotModule
*amodule
;
3428 guint8
*code
= (guint8
*)ji
->code_start
;
3431 amodule
= ji
->d
.aot_info
;
3433 amodule
= m_class_get_image (jinfo_get_method (ji
)->klass
)->aot_module
;
3435 g_assert (ji
->from_aot
);
3437 if (!amodule_contains_code_addr (amodule
, code
)) {
3438 /* ji belongs to a different aot module than amodule */
3440 g_assert (ji_to_amodule
);
3441 amodule
= (MonoAotModule
*)g_hash_table_lookup (ji_to_amodule
, ji
);
3443 g_assert (amodule_contains_code_addr (amodule
, code
));
3447 p
= amodule
->unwind_info
+ ji
->unwind_info
;
3448 *unwind_info_len
= decode_value (p
, &p
);
3453 msort_method_addresses_internal (gpointer
*array
, int *indexes
, int lo
, int hi
, gpointer
*scratch
, int *scratch_indexes
)
3455 int mid
= (lo
+ hi
) / 2;
3462 for (i
= lo
; i
< hi
; ++i
)
3463 if (array
[i
] > array
[i
+ 1])
3466 /* Already sorted */
3470 msort_method_addresses_internal (array
, indexes
, lo
, mid
, scratch
, scratch_indexes
);
3471 msort_method_addresses_internal (array
, indexes
, mid
+ 1, hi
, scratch
, scratch_indexes
);
3473 if (array
[mid
] < array
[mid
+ 1])
3479 for (i
= lo
; i
<= hi
; i
++) {
3480 if (t_lo
<= mid
&& ((t_hi
> hi
) || array
[t_lo
] < array
[t_hi
])) {
3481 scratch
[i
] = array
[t_lo
];
3482 scratch_indexes
[i
] = indexes
[t_lo
];
3485 scratch
[i
] = array
[t_hi
];
3486 scratch_indexes
[i
] = indexes
[t_hi
];
3490 for (i
= lo
; i
<= hi
; ++i
) {
3491 array
[i
] = scratch
[i
];
3492 indexes
[i
] = scratch_indexes
[i
];
3497 msort_method_addresses (gpointer
*array
, int *indexes
, int len
)
3500 int *scratch_indexes
;
3502 scratch
= g_new (gpointer
, len
);
3503 scratch_indexes
= g_new (int, len
);
3504 msort_method_addresses_internal (array
, indexes
, 0, len
- 1, scratch
, scratch_indexes
);
3506 g_free (scratch_indexes
);
3510 * mono_aot_find_jit_info:
3512 * In async context, the resulting MonoJitInfo will not have its method field set, and it will not be added
3513 * to the jit info tables.
3514 * FIXME: Large sizes in the lock free allocator
3517 mono_aot_find_jit_info (MonoDomain
*domain
, MonoImage
*image
, gpointer addr
)
3520 int pos
, left
, right
, code_len
;
3521 int method_index
, table_len
;
3523 MonoAotModule
*amodule
= image
->aot_module
;
3524 MonoMethod
*method
= NULL
;
3526 guint8
*code
, *ex_info
, *p
;
3530 guint8
*code1
, *code2
;
3537 nmethods
= amodule
->info
.nmethods
;
3539 if (domain
!= mono_get_root_domain ())
3543 if (!amodule_contains_code_addr (amodule
, (guint8
*)addr
))
3546 async
= mono_thread_info_is_async_context ();
3548 /* Compute a sorted table mapping code to method indexes. */
3549 if (!amodule
->sorted_methods
) {
3551 gpointer
*methods
= g_new0 (gpointer
, nmethods
);
3552 int *method_indexes
= g_new0 (int, nmethods
);
3553 int methods_len
= 0;
3555 for (i
= 0; i
< nmethods
; ++i
) {
3556 /* Skip the -1 entries to speed up sorting */
3557 if (amodule
->methods
[i
] == GINT_TO_POINTER (-1))
3559 methods
[methods_len
] = amodule
->methods
[i
];
3560 method_indexes
[methods_len
] = i
;
3563 /* Use a merge sort as this is mostly sorted */
3564 msort_method_addresses (methods
, method_indexes
, methods_len
);
3565 for (i
= 0; i
< methods_len
-1; ++i
)
3566 g_assert (methods
[i
] <= methods
[i
+ 1]);
3567 amodule
->sorted_methods_len
= methods_len
;
3568 if (mono_atomic_cas_ptr ((gpointer
*)&amodule
->sorted_methods
, methods
, NULL
) != NULL
)
3569 /* Somebody got in before us */
3571 if (mono_atomic_cas_ptr ((gpointer
*)&amodule
->sorted_method_indexes
, method_indexes
, NULL
) != NULL
)
3572 /* Somebody got in before us */
3573 g_free (method_indexes
);
3576 /* Binary search in the sorted_methods table */
3577 methods
= amodule
->sorted_methods
;
3578 methods_len
= amodule
->sorted_methods_len
;
3579 code
= (guint8
*)addr
;
3581 right
= methods_len
;
3583 pos
= (left
+ right
) / 2;
3585 code1
= (guint8
*)methods
[pos
];
3586 if (pos
+ 1 == methods_len
) {
3587 if (code1
>= amodule
->jit_code_start
&& code1
< amodule
->jit_code_end
)
3588 code2
= amodule
->jit_code_end
;
3590 code2
= amodule
->llvm_code_end
;
3592 code2
= (guint8
*)methods
[pos
+ 1];
3597 else if (code
>= code2
)
3603 g_assert (addr
>= methods
[pos
]);
3604 if (pos
+ 1 < methods_len
)
3605 g_assert (addr
< methods
[pos
+ 1]);
3606 method_index
= amodule
->sorted_method_indexes
[pos
];
3608 /* In async mode, jinfo is not added to the normal jit info table, so have to cache it ourselves */
3610 JitInfoMap
*table
= amodule
->async_jit_info_table
;
3614 len
= table
[0].method_index
;
3615 for (i
= 1; i
< len
; ++i
) {
3616 if (table
[i
].method_index
== method_index
)
3617 return table
[i
].jinfo
;
3622 code
= (guint8
*)amodule
->methods
[method_index
];
3623 ex_info
= &amodule
->blob
[mono_aot_get_offset (amodule
->ex_info_offsets
, method_index
)];
3625 if (pos
== methods_len
- 1) {
3626 if (code
>= amodule
->jit_code_start
&& code
< amodule
->jit_code_end
)
3627 code_len
= amodule
->jit_code_end
- code
;
3629 code_len
= amodule
->llvm_code_end
- code
;
3631 code_len
= (guint8
*)methods
[pos
+ 1] - (guint8
*)methods
[pos
];
3634 g_assert ((guint8
*)code
<= (guint8
*)addr
&& (guint8
*)addr
< (guint8
*)code
+ code_len
);
3636 /* Might be a wrapper/extra method */
3638 if (amodule
->extra_methods
) {
3639 amodule_lock (amodule
);
3640 method
= (MonoMethod
*)g_hash_table_lookup (amodule
->extra_methods
, GUINT_TO_POINTER (method_index
));
3641 amodule_unlock (amodule
);
3647 if (method_index
>= image
->tables
[MONO_TABLE_METHOD
].rows
) {
3649 * This is hit for extra methods which are called directly, so they are
3650 * not in amodule->extra_methods.
3652 table_len
= amodule
->extra_method_info_offsets
[0];
3653 table
= amodule
->extra_method_info_offsets
+ 1;
3660 pos
= ((left
+ right
) / 2);
3662 g_assert (pos
< table_len
);
3664 if (table
[pos
* 2] < method_index
)
3666 else if (table
[pos
* 2] > method_index
)
3672 p
= amodule
->blob
+ table
[(pos
* 2) + 1];
3673 method
= decode_resolve_method_ref (amodule
, p
, &p
, error
);
3674 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3676 /* Happens when a random address is passed in which matches a not-yey called wrapper encoded using its name */
3680 token
= mono_metadata_make_token (MONO_TABLE_METHOD
, method_index
+ 1);
3681 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
3683 g_error ("AOT runtime could not load method due to %s", mono_error_get_message (error
)); /* FIXME don't swallow the error */
3690 //printf ("F: %s\n", mono_method_full_name (method, TRUE));
3692 jinfo
= decode_exception_debug_info (amodule
, domain
, method
, ex_info
, code
, code_len
);
3694 g_assert ((guint8
*)addr
>= (guint8
*)jinfo
->code_start
);
3696 /* Add it to the normal JitInfo tables */
3698 JitInfoMap
*old_table
, *new_table
;
3702 * Use a simple inmutable table with linear search to cache async jit info entries.
3703 * This assumes that the number of entries is small.
3706 /* Copy the table, adding a new entry at the end */
3707 old_table
= amodule
->async_jit_info_table
;
3709 len
= old_table
[0].method_index
;
3712 new_table
= (JitInfoMap
*)alloc0_jit_info_data (domain
, (len
+ 1) * sizeof (JitInfoMap
), async
);
3714 memcpy (new_table
, old_table
, len
* sizeof (JitInfoMap
));
3715 new_table
[0].method_index
= len
+ 1;
3716 new_table
[len
].method_index
= method_index
;
3717 new_table
[len
].jinfo
= jinfo
;
3719 mono_memory_barrier ();
3720 if (mono_atomic_cas_ptr ((volatile gpointer
*)&amodule
->async_jit_info_table
, new_table
, old_table
) == old_table
)
3724 mono_jit_info_table_add (domain
, jinfo
);
3727 if ((guint8
*)addr
>= (guint8
*)jinfo
->code_start
+ jinfo
->code_size
)
3728 /* addr is in the padding between methods, see the adjustment of code_size in decode_exception_debug_info () */
3735 decode_patch (MonoAotModule
*aot_module
, MonoMemPool
*mp
, MonoJumpInfo
*ji
, guint8
*buf
, guint8
**endbuf
)
3744 case MONO_PATCH_INFO_METHOD
:
3745 case MONO_PATCH_INFO_METHOD_JUMP
:
3746 case MONO_PATCH_INFO_METHOD_FTNDESC
:
3747 case MONO_PATCH_INFO_ICALL_ADDR
:
3748 case MONO_PATCH_INFO_ICALL_ADDR_CALL
:
3749 case MONO_PATCH_INFO_METHOD_RGCTX
:
3750 case MONO_PATCH_INFO_METHOD_CODE_SLOT
: {
3754 res
= decode_method_ref (aot_module
, &ref
, p
, &p
, error
);
3755 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
3759 if (!ref
.method
&& !mono_aot_only
&& !ref
.no_aot_trampoline
&& (ji
->type
== MONO_PATCH_INFO_METHOD
) && (mono_metadata_token_table (ref
.token
) == MONO_TABLE_METHOD
)) {
3760 ji
->data
.target
= mono_create_ftnptr (mono_domain_get (), mono_create_jit_trampoline_from_token (ref
.image
, ref
.token
));
3761 ji
->type
= MONO_PATCH_INFO_ABS
;
3765 ji
->data
.method
= ref
.method
;
3768 ji
->data
.method
= mono_get_method_checked (ref
.image
, ref
.token
, NULL
, NULL
, error
);
3769 if (!ji
->data
.method
)
3770 g_error ("AOT Runtime could not load method due to %s", mono_error_get_message (error
)); /* FIXME don't swallow the error */
3772 g_assert (ji
->data
.method
);
3773 mono_class_init_internal (ji
->data
.method
->klass
);
3777 case MONO_PATCH_INFO_LDSTR_LIT
:
3778 case MONO_PATCH_INFO_JIT_ICALL_ADDR
:
3779 case MONO_PATCH_INFO_JIT_ICALL_ADDR_NOCALL
:
3781 guint32 len
= decode_value (p
, &p
);
3783 ji
->data
.name
= (char*)p
;
3787 case MONO_PATCH_INFO_METHODCONST
:
3789 ji
->data
.method
= decode_resolve_method_ref (aot_module
, p
, &p
, error
);
3790 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3791 if (!ji
->data
.method
)
3794 case MONO_PATCH_INFO_VTABLE
:
3795 case MONO_PATCH_INFO_CLASS
:
3796 case MONO_PATCH_INFO_IID
:
3797 case MONO_PATCH_INFO_ADJUSTED_IID
:
3799 ji
->data
.klass
= decode_klass_ref (aot_module
, p
, &p
, error
);
3800 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3801 if (!ji
->data
.klass
)
3804 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE
:
3805 ji
->data
.del_tramp
= (MonoDelegateClassMethodPair
*)mono_mempool_alloc0 (mp
, sizeof (MonoDelegateClassMethodPair
));
3806 ji
->data
.del_tramp
->klass
= decode_klass_ref (aot_module
, p
, &p
, error
);
3807 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3808 if (!ji
->data
.del_tramp
->klass
)
3810 if (decode_value (p
, &p
)) {
3811 ji
->data
.del_tramp
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, error
);
3812 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3813 if (!ji
->data
.del_tramp
->method
)
3816 ji
->data
.del_tramp
->is_virtual
= decode_value (p
, &p
) ? TRUE
: FALSE
;
3818 case MONO_PATCH_INFO_IMAGE
:
3819 ji
->data
.image
= load_image (aot_module
, decode_value (p
, &p
), error
);
3820 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3821 if (!ji
->data
.image
)
3824 case MONO_PATCH_INFO_FIELD
:
3825 case MONO_PATCH_INFO_SFLDA
:
3827 ji
->data
.field
= decode_field_info (aot_module
, p
, &p
);
3828 if (!ji
->data
.field
)
3831 case MONO_PATCH_INFO_SWITCH
:
3832 ji
->data
.table
= (MonoJumpInfoBBTable
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoBBTable
));
3833 ji
->data
.table
->table_size
= decode_value (p
, &p
);
3834 table
= (void **)mono_domain_alloc (mono_domain_get (), sizeof (gpointer
) * ji
->data
.table
->table_size
);
3835 ji
->data
.table
->table
= (MonoBasicBlock
**)table
;
3836 for (i
= 0; i
< ji
->data
.table
->table_size
; i
++)
3837 table
[i
] = (gpointer
)(gssize
)decode_value (p
, &p
);
3839 case MONO_PATCH_INFO_R4
: {
3842 ji
->data
.target
= mono_domain_alloc0 (mono_domain_get (), sizeof (float));
3843 val
= decode_value (p
, &p
);
3844 *(float*)ji
->data
.target
= *(float*)&val
;
3847 case MONO_PATCH_INFO_R8
: {
3851 ji
->data
.target
= mono_domain_alloc0 (mono_domain_get (), sizeof (double));
3853 val
[0] = decode_value (p
, &p
);
3854 val
[1] = decode_value (p
, &p
);
3855 v
= ((guint64
)val
[1] << 32) | ((guint64
)val
[0]);
3856 *(double*)ji
->data
.target
= *(double*)&v
;
3859 case MONO_PATCH_INFO_LDSTR
:
3860 image
= load_image (aot_module
, decode_value (p
, &p
), error
);
3861 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3864 ji
->data
.token
= mono_jump_info_token_new (mp
, image
, MONO_TOKEN_STRING
+ decode_value (p
, &p
));
3866 case MONO_PATCH_INFO_RVA
:
3867 case MONO_PATCH_INFO_DECLSEC
:
3868 case MONO_PATCH_INFO_LDTOKEN
:
3869 case MONO_PATCH_INFO_TYPE_FROM_HANDLE
:
3871 image
= load_image (aot_module
, decode_value (p
, &p
), error
);
3872 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3875 ji
->data
.token
= mono_jump_info_token_new (mp
, image
, decode_value (p
, &p
));
3877 ji
->data
.token
->has_context
= decode_value (p
, &p
);
3878 if (ji
->data
.token
->has_context
) {
3879 gboolean res
= decode_generic_context (aot_module
, &ji
->data
.token
->context
, p
, &p
, error
);
3880 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3885 case MONO_PATCH_INFO_EXC_NAME
:
3886 ji
->data
.klass
= decode_klass_ref (aot_module
, p
, &p
, error
);
3887 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3888 if (!ji
->data
.klass
)
3890 ji
->data
.name
= m_class_get_name (ji
->data
.klass
);
3892 case MONO_PATCH_INFO_METHOD_REL
:
3893 ji
->data
.offset
= decode_value (p
, &p
);
3895 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG
:
3896 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR
:
3897 case MONO_PATCH_INFO_GC_NURSERY_START
:
3898 case MONO_PATCH_INFO_GC_NURSERY_BITS
:
3899 case MONO_PATCH_INFO_PROFILER_ALLOCATION_COUNT
:
3900 case MONO_PATCH_INFO_PROFILER_CLAUSE_COUNT
:
3902 case MONO_PATCH_INFO_SPECIFIC_TRAMPOLINE_LAZY_FETCH_ADDR
:
3903 ji
->data
.uindex
= decode_value (p
, &p
);
3905 case MONO_PATCH_INFO_TRAMPOLINE_FUNC_ADDR
:
3906 case MONO_PATCH_INFO_CASTCLASS_CACHE
:
3907 ji
->data
.index
= decode_value (p
, &p
);
3909 case MONO_PATCH_INFO_JIT_ICALL_ID
:
3910 ji
->data
.jit_icall_id
= (MonoJitICallId
)decode_value (p
, &p
);
3912 case MONO_PATCH_INFO_RGCTX_FETCH
:
3913 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX
: {
3915 MonoJumpInfoRgctxEntry
*entry
;
3916 guint32 offset
, val
;
3919 offset
= decode_value (p
, &p
);
3920 val
= decode_value (p
, &p
);
3922 entry
= (MonoJumpInfoRgctxEntry
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoRgctxEntry
));
3923 p2
= aot_module
->blob
+ offset
;
3924 entry
->in_mrgctx
= ((val
& 1) > 0) ? TRUE
: FALSE
;
3925 if (entry
->in_mrgctx
)
3926 entry
->d
.method
= decode_resolve_method_ref (aot_module
, p2
, &p2
, error
);
3928 entry
->d
.klass
= decode_klass_ref (aot_module
, p2
, &p2
, error
);
3929 entry
->info_type
= (MonoRgctxInfoType
)((val
>> 1) & 0xff);
3930 entry
->data
= (MonoJumpInfo
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfo
));
3931 entry
->data
->type
= (MonoJumpInfoType
)((val
>> 9) & 0xff);
3932 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3934 res
= decode_patch (aot_module
, mp
, entry
->data
, p
, &p
);
3937 ji
->data
.rgctx_entry
= entry
;
3940 case MONO_PATCH_INFO_SEQ_POINT_INFO
:
3941 case MONO_PATCH_INFO_AOT_MODULE
:
3942 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR
:
3944 case MONO_PATCH_INFO_SIGNATURE
:
3945 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER
:
3946 ji
->data
.target
= decode_signature (aot_module
, p
, &p
);
3948 case MONO_PATCH_INFO_GSHAREDVT_CALL
: {
3949 MonoJumpInfoGSharedVtCall
*info
= (MonoJumpInfoGSharedVtCall
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoGSharedVtCall
));
3950 info
->sig
= decode_signature (aot_module
, p
, &p
);
3951 g_assert (info
->sig
);
3952 info
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, error
);
3953 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
3955 ji
->data
.target
= info
;
3958 case MONO_PATCH_INFO_GSHAREDVT_METHOD
: {
3959 MonoGSharedVtMethodInfo
*info
= (MonoGSharedVtMethodInfo
*)mono_mempool_alloc0 (mp
, sizeof (MonoGSharedVtMethodInfo
));
3962 info
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, error
);
3963 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
3965 info
->num_entries
= decode_value (p
, &p
);
3966 info
->count_entries
= info
->num_entries
;
3967 info
->entries
= (MonoRuntimeGenericContextInfoTemplate
*)mono_mempool_alloc0 (mp
, sizeof (MonoRuntimeGenericContextInfoTemplate
) * info
->num_entries
);
3968 for (i
= 0; i
< info
->num_entries
; ++i
) {
3969 MonoRuntimeGenericContextInfoTemplate
*template_
= &info
->entries
[i
];
3971 template_
->info_type
= (MonoRgctxInfoType
)decode_value (p
, &p
);
3972 switch (mini_rgctx_info_type_to_patch_info_type (template_
->info_type
)) {
3973 case MONO_PATCH_INFO_CLASS
: {
3974 MonoClass
*klass
= decode_klass_ref (aot_module
, p
, &p
, error
);
3975 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3978 template_
->data
= m_class_get_byval_arg (klass
);
3981 case MONO_PATCH_INFO_FIELD
:
3982 template_
->data
= decode_field_info (aot_module
, p
, &p
);
3983 if (!template_
->data
)
3987 g_assert_not_reached ();
3991 ji
->data
.target
= info
;
3994 case MONO_PATCH_INFO_VIRT_METHOD
: {
3995 MonoJumpInfoVirtMethod
*info
= (MonoJumpInfoVirtMethod
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoVirtMethod
));
3997 info
->klass
= decode_klass_ref (aot_module
, p
, &p
, error
);
3998 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
4000 info
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, error
);
4001 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
4003 ji
->data
.target
= info
;
4006 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG
:
4008 case MONO_PATCH_INFO_GET_TLS_TRAMP
:
4009 case MONO_PATCH_INFO_SET_TLS_TRAMP
:
4010 case MONO_PATCH_INFO_AOT_JIT_INFO
:
4011 ji
->data
.index
= decode_value (p
, &p
);
4014 g_warning ("unhandled type %d", ji
->type
);
4015 g_assert_not_reached ();
4029 * Decode a list of patches identified by the got offsets in GOT_OFFSETS. Return an array of
4030 * MonoJumpInfo structures allocated from MP.
4032 static MonoJumpInfo
*
4033 decode_patches (MonoAotModule
*amodule
, MonoMemPool
*mp
, int n_patches
, gboolean llvm
, guint32
*got_offsets
)
4035 MonoJumpInfo
*patches
;
4038 guint32
*got_info_offsets
;
4043 got
= amodule
->llvm_got
;
4044 got_info_offsets
= (guint32
*)amodule
->llvm_got_info_offsets
;
4047 got_info_offsets
= (guint32
*)amodule
->got_info_offsets
;
4050 patches
= (MonoJumpInfo
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfo
) * n_patches
);
4051 for (i
= 0; i
< n_patches
; ++i
) {
4052 guint8
*p
= amodule
->blob
+ mono_aot_get_offset (got_info_offsets
, got_offsets
[i
]);
4055 ji
->type
= (MonoJumpInfoType
)decode_value (p
, &p
);
4057 /* See load_method () for SFLDA */
4058 if (got
&& got
[got_offsets
[i
]] && ji
->type
!= MONO_PATCH_INFO_SFLDA
) {
4059 /* Already loaded */
4061 res
= decode_patch (amodule
, mp
, ji
, p
, &p
);
4070 static MonoJumpInfo
*
4071 load_patch_info (MonoAotModule
*amodule
, MonoMemPool
*mp
, int n_patches
,
4072 gboolean llvm
, guint32
**got_slots
,
4073 guint8
*buf
, guint8
**endbuf
)
4075 MonoJumpInfo
*patches
;
4081 *got_slots
= (guint32
*)g_malloc (sizeof (guint32
) * n_patches
);
4082 for (pindex
= 0; pindex
< n_patches
; ++pindex
) {
4083 (*got_slots
)[pindex
] = decode_value (p
, &p
);
4086 patches
= decode_patches (amodule
, mp
, n_patches
, llvm
, *got_slots
);
4088 g_free (*got_slots
);
4098 register_jump_target_got_slot (MonoDomain
*domain
, MonoMethod
*method
, gpointer
*got_slot
)
4101 * Jump addresses cannot be patched by the trampoline code since it
4102 * does not have access to the caller's address. Instead, we collect
4103 * the addresses of the GOT slots pointing to a method, and patch
4104 * them after the method has been compiled.
4106 MonoJitDomainInfo
*info
= domain_jit_info (domain
);
4108 MonoMethod
*shared_method
= mini_method_to_shared (method
);
4109 method
= shared_method
? shared_method
: method
;
4111 mono_domain_lock (domain
);
4112 if (!info
->jump_target_got_slot_hash
)
4113 info
->jump_target_got_slot_hash
= g_hash_table_new (NULL
, NULL
);
4114 list
= (GSList
*)g_hash_table_lookup (info
->jump_target_got_slot_hash
, method
);
4115 list
= g_slist_prepend (list
, got_slot
);
4116 g_hash_table_insert (info
->jump_target_got_slot_hash
, method
, list
);
4117 mono_domain_unlock (domain
);
4123 * Load the method identified by METHOD_INDEX from the AOT image. Return a
4124 * pointer to the native code of the method, or NULL if not found.
4125 * METHOD might not be set if the caller only has the image/token info.
4128 load_method (MonoDomain
*domain
, MonoAotModule
*amodule
, MonoImage
*image
, MonoMethod
*method
, guint32 token
, int method_index
,
4131 MonoJitInfo
*jinfo
= NULL
;
4132 guint8
*code
= NULL
, *info
;
4137 init_amodule_got (amodule
);
4139 if (domain
!= mono_get_root_domain ())
4140 /* Non shared AOT code can't be used in other appdomains */
4143 if (amodule
->out_of_date
)
4146 if (amodule
->info
.llvm_get_method
) {
4148 * Obtain the method address by calling a generated function in the LLVM module.
4150 gpointer (*get_method
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_method
;
4151 code
= (guint8
*)get_method (method_index
);
4155 if (method_index
< amodule
->info
.nmethods
)
4156 code
= (guint8
*)amodule
->methods
[method_index
];
4161 if (amodule
->methods
[method_index
] == GINT_TO_POINTER (-1)) {
4162 if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
)) {
4166 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
4170 if (!(method
->iflags
& METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL
)) {
4171 full_name
= mono_method_full_name (method
, TRUE
);
4172 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT: NOT FOUND: %s.", full_name
);
4180 info
= &amodule
->blob
[mono_aot_get_offset (amodule
->method_info_offsets
, method_index
)];
4182 if (!amodule
->methods_loaded
) {
4183 amodule_lock (amodule
);
4184 if (!amodule
->methods_loaded
) {
4187 loaded
= g_new0 (guint32
, amodule
->info
.nmethods
/ 32 + 1);
4188 mono_memory_barrier ();
4189 amodule
->methods_loaded
= loaded
;
4191 amodule_unlock (amodule
);
4194 if ((amodule
->methods_loaded
[method_index
/ 32] >> (method_index
% 32)) & 0x1)
4197 if (mini_debug_options
.aot_skip_set
&& !(method
&& method
->wrapper_type
)) {
4198 gint32 methods_aot
= mono_atomic_load_i32 (&mono_jit_stats
.methods_aot
);
4199 if (methods_aot
== mini_debug_options
.aot_skip
) {
4201 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
4206 char *name
= mono_method_full_name (method
, TRUE
);
4207 g_print ("NON AOT METHOD: %s.\n", name
);
4210 g_print ("NON AOT METHOD: %p %d\n", code
, method_index
);
4212 mini_debug_options
.aot_skip_set
= FALSE
;
4217 if (mono_last_aot_method
!= -1) {
4218 gint32 methods_aot
= mono_atomic_load_i32 (&mono_jit_stats
.methods_aot
);
4219 if (methods_aot
>= mono_last_aot_method
)
4221 else if (methods_aot
== mono_last_aot_method
- 1) {
4223 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
4228 char *name
= mono_method_full_name (method
, TRUE
);
4229 g_print ("LAST AOT METHOD: %s.\n", name
);
4232 g_print ("LAST AOT METHOD: %p %d\n", code
, method_index
);
4237 if (!(is_llvm_code (amodule
, code
) && (amodule
->info
.flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) ||
4238 (mono_llvm_only
&& method
&& method
->wrapper_type
== MONO_WRAPPER_NATIVE_TO_MANAGED
)) {
4239 res
= init_method (amodule
, method_index
, method
, NULL
, error
);
4244 if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
)) {
4248 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
4253 full_name
= mono_method_full_name (method
, TRUE
);
4256 jinfo
= mono_aot_find_jit_info (domain
, amodule
->assembly
->image
, code
);
4258 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT: FOUND method %s [%p - %p %p]", full_name
, code
, code
+ jinfo
->code_size
, info
);
4262 if (mono_llvm_only
) {
4265 info
= &amodule
->blob
[mono_aot_get_offset (amodule
->method_info_offsets
, method_index
)];
4267 guint8 flags
= decode_value (p
, &p
);
4268 /* The caller needs to looks this up, but its hard to do without constructing the full MonoJitInfo, so save it here */
4269 if (flags
& MONO_AOT_METHOD_FLAG_GSHAREDVT_VARIABLE
) {
4271 if (!code_to_method_flags
)
4272 code_to_method_flags
= g_hash_table_new (NULL
, NULL
);
4273 g_hash_table_insert (code_to_method_flags
, code
, GUINT_TO_POINTER (flags
));
4278 amodule_lock (amodule
);
4282 mono_atomic_inc_i32 (&mono_jit_stats
.methods_aot
);
4284 if (method
&& method
->wrapper_type
)
4285 g_hash_table_insert (amodule
->method_to_code
, method
, code
);
4287 /* Commit changes since methods_loaded is accessed outside the lock */
4288 mono_memory_barrier ();
4290 amodule
->methods_loaded
[method_index
/ 32] |= 1 << (method_index
% 32);
4292 amodule_unlock (amodule
);
4294 if (MONO_PROFILER_ENABLED (jit_begin
) || MONO_PROFILER_ENABLED (jit_done
)) {
4298 method
= mono_get_method_checked (amodule
->assembly
->image
, token
, NULL
, NULL
, error
);
4302 MONO_PROFILER_RAISE (jit_begin
, (method
));
4303 jinfo
= mono_jit_info_table_find (domain
, code
);
4305 MONO_PROFILER_RAISE (jit_done
, (method
, jinfo
));
4317 /** find_aot_method_in_amodule
4319 * \param code_amodule The AOT module containing the code pointer
4320 * \param method The method to find the code index for
4321 * \param hash_full The hash for the method
4324 find_aot_method_in_amodule (MonoAotModule
*code_amodule
, MonoMethod
*method
, guint32 hash_full
)
4327 guint32 table_size
, entry_size
, hash
;
4328 guint32
*table
, *entry
;
4330 static guint32 n_extra_decodes
;
4332 // The AOT module containing the MonoMethod
4333 // The reference to the metadata amodule will differ among multiple dedup methods
4334 // which mangle to the same name but live in different assemblies. This leads to
4335 // the caching breaking. The solution seems to be to cache using the "metadata" amodule.
4336 MonoAotModule
*metadata_amodule
= m_class_get_image (method
->klass
)->aot_module
;
4338 if (!metadata_amodule
|| metadata_amodule
->out_of_date
|| !code_amodule
|| code_amodule
->out_of_date
)
4341 table_size
= code_amodule
->extra_method_table
[0];
4342 hash
= hash_full
% table_size
;
4343 table
= code_amodule
->extra_method_table
+ 1;
4346 entry
= &table
[hash
* entry_size
];
4353 guint32 key
= entry
[0];
4354 guint32 value
= entry
[1];
4355 guint32 next
= entry
[entry_size
- 1];
4359 p
= code_amodule
->blob
+ key
;
4362 amodule_lock (metadata_amodule
);
4363 if (!metadata_amodule
->method_ref_to_method
)
4364 metadata_amodule
->method_ref_to_method
= g_hash_table_new (NULL
, NULL
);
4365 m
= (MonoMethod
*)g_hash_table_lookup (metadata_amodule
->method_ref_to_method
, p
);
4366 amodule_unlock (metadata_amodule
);
4368 m
= decode_resolve_method_ref_with_target (code_amodule
, method
, p
, &p
, error
);
4369 mono_error_cleanup (error
); /* FIXME don't swallow the error */
4371 * Can't catche runtime invoke wrappers since it would break
4372 * the check in decode_method_ref_with_target ().
4374 if (m
&& m
->wrapper_type
!= MONO_WRAPPER_RUNTIME_INVOKE
) {
4375 amodule_lock (metadata_amodule
);
4376 g_hash_table_insert (metadata_amodule
->method_ref_to_method
, orig_p
, m
);
4377 amodule_unlock (metadata_amodule
);
4385 /* Methods decoded needlessly */
4387 //printf ("%d %s %s %p\n", n_extra_decodes, mono_method_full_name (method, TRUE), mono_method_full_name (m, TRUE), orig_p);
4392 entry
= &table
[next
* entry_size
];
4397 if (index
!= 0xffffff)
4398 g_assert (index
< code_amodule
->info
.nmethods
);
4404 add_module_cb (gpointer key
, gpointer value
, gpointer user_data
)
4406 g_ptr_array_add ((GPtrArray
*)user_data
, value
);
4410 mono_aot_can_dedup (MonoMethod
*method
)
4413 /* Use a set of wrappers/instances which work and useful */
4414 switch (method
->wrapper_type
) {
4415 case MONO_WRAPPER_RUNTIME_INVOKE
:
4418 case MONO_WRAPPER_OTHER
: {
4419 WrapperInfo
*info
= mono_marshal_get_wrapper_info (method
);
4421 if (info
->subtype
== WRAPPER_SUBTYPE_PTR_TO_STRUCTURE
||
4422 info
->subtype
== WRAPPER_SUBTYPE_STRUCTURE_TO_PTR
||
4423 info
->subtype
== WRAPPER_SUBTYPE_INTERP_LMF
||
4424 info
->subtype
== WRAPPER_SUBTYPE_AOT_INIT
)
4432 if (method
->is_inflated
&& !mono_method_is_generic_sharable_full (method
, TRUE
, FALSE
, FALSE
) &&
4433 !mini_is_gsharedvt_signature (mono_method_signature_internal (method
)) &&
4434 !mini_is_gsharedvt_klass (method
->klass
))
4439 gboolean not_normal_gshared
= method
->is_inflated
&& !mono_method_is_generic_sharable_full (method
, TRUE
, FALSE
, FALSE
);
4440 gboolean extra_method
= (method
->wrapper_type
!= MONO_WRAPPER_NONE
) || not_normal_gshared
;
4442 return extra_method
;
4450 * Try finding METHOD in the extra_method table in all AOT images.
4451 * Return its method index, or 0xffffff if not found. Set OUT_AMODULE to the AOT
4452 * module where the method was found.
4455 find_aot_method (MonoMethod
*method
, MonoAotModule
**out_amodule
)
4460 guint32 hash
= mono_aot_method_hash (method
);
4462 /* Try the place we expect to have moved the method only
4463 * We don't probe, as that causes hard-to-debug issues when we fail
4464 * to find the method */
4465 if (container_amodule
&& mono_aot_can_dedup (method
)) {
4466 *out_amodule
= container_amodule
;
4467 index
= find_aot_method_in_amodule (container_amodule
, method
, hash
);
4471 /* Try the method's module first */
4472 *out_amodule
= m_class_get_image (method
->klass
)->aot_module
;
4473 index
= find_aot_method_in_amodule (m_class_get_image (method
->klass
)->aot_module
, method
, hash
);
4474 if (index
!= 0xffffff)
4478 * Try all other modules.
4479 * This is needed because generic instances klass->image points to the image
4480 * containing the generic definition, but the native code is generated to the
4481 * AOT image which contains the reference.
4484 /* Make a copy to avoid doing the search inside the aot lock */
4485 modules
= g_ptr_array_new ();
4487 g_hash_table_foreach (aot_modules
, add_module_cb
, modules
);
4491 for (i
= 0; i
< modules
->len
; ++i
) {
4492 MonoAotModule
*amodule
= (MonoAotModule
*)g_ptr_array_index (modules
, i
);
4494 if (amodule
!= m_class_get_image (method
->klass
)->aot_module
)
4495 index
= find_aot_method_in_amodule (amodule
, method
, hash
);
4496 if (index
!= 0xffffff) {
4497 *out_amodule
= amodule
;
4502 g_ptr_array_free (modules
, TRUE
);
4508 mono_aot_find_method_index (MonoMethod
*method
)
4510 MonoAotModule
*out_amodule
;
4511 return find_aot_method (method
, &out_amodule
);
4515 init_method (MonoAotModule
*amodule
, guint32 method_index
, MonoMethod
*method
, MonoClass
*init_class
, MonoError
*error
)
4517 MonoDomain
*domain
= mono_domain_get ();
4519 MonoClass
*klass_to_run_ctor
= NULL
;
4520 gboolean from_plt
= method
== NULL
;
4521 int pindex
, n_patches
;
4523 MonoJitInfo
*jinfo
= NULL
;
4524 guint8
*code
, *info
;
4525 MonoGenericContext
*context
;
4526 MonoGenericContext ctx
;
4528 memset (&ctx
, 0, sizeof (ctx
));
4532 code
= (guint8
*)amodule
->methods
[method_index
];
4533 info
= &amodule
->blob
[mono_aot_get_offset (amodule
->method_info_offsets
, method_index
)];
4537 guint8 flags
= decode_value (p
, &p
);
4538 if (flags
& MONO_AOT_METHOD_FLAG_HAS_CCTOR
)
4539 klass_to_run_ctor
= decode_klass_ref (amodule
, p
, &p
, error
);
4543 //FIXME old code would use the class from @method if not null and ignore the one encoded. I don't know if we need to honor that -- @kumpera
4545 klass_to_run_ctor
= method
->klass
;
4548 if (flags
& MONO_AOT_METHOD_FLAG_HAS_CTX
) {
4549 decode_generic_context (amodule
, &ctx
, p
, &p
, error
);
4550 mono_error_assert_ok (error
);
4554 if (flags
& MONO_AOT_METHOD_FLAG_HAS_PATCHES
)
4555 n_patches
= decode_value (p
, &p
);
4560 MonoJumpInfo
*patches
;
4565 mp
= mono_mempool_new ();
4567 if ((gpointer
)code
>= amodule
->info
.jit_code_start
&& (gpointer
)code
<= amodule
->info
.jit_code_end
) {
4572 got
= amodule
->llvm_got
;
4576 patches
= load_patch_info (amodule
, mp
, n_patches
, llvm
, &got_slots
, p
, &p
);
4577 if (patches
== NULL
) {
4578 mono_mempool_destroy (mp
);
4582 for (pindex
= 0; pindex
< n_patches
; ++pindex
) {
4583 MonoJumpInfo
*ji
= &patches
[pindex
];
4587 * For SFLDA, we need to call resolve_patch_target () since the GOT slot could have
4588 * been initialized by load_method () for a static cctor before the cctor has
4589 * finished executing (#23242).
4591 if (!got
[got_slots
[pindex
]] || ji
->type
== MONO_PATCH_INFO_SFLDA
) {
4592 /* In llvm-only made, we might encounter shared methods */
4593 if (mono_llvm_only
&& ji
->type
== MONO_PATCH_INFO_METHOD
&& mono_method_check_context_used (ji
->data
.method
)) {
4595 ji
->data
.method
= mono_class_inflate_generic_method_checked (ji
->data
.method
, context
, error
);
4596 if (!mono_error_ok (error
)) {
4598 mono_mempool_destroy (mp
);
4602 /* This cannot be resolved in mono_resolve_patch_target () */
4603 if (ji
->type
== MONO_PATCH_INFO_AOT_JIT_INFO
) {
4604 // FIXME: Lookup using the index
4605 jinfo
= mono_aot_find_jit_info (domain
, amodule
->assembly
->image
, code
);
4606 ji
->type
= MONO_PATCH_INFO_ABS
;
4607 ji
->data
.target
= jinfo
;
4609 addr
= mono_resolve_patch_target (method
, domain
, code
, ji
, TRUE
, error
);
4610 if (!mono_error_ok (error
)) {
4612 mono_mempool_destroy (mp
);
4615 if (ji
->type
== MONO_PATCH_INFO_METHOD_JUMP
)
4616 addr
= mono_create_ftnptr (domain
, addr
);
4617 mono_memory_barrier ();
4618 got
[got_slots
[pindex
]] = addr
;
4619 if (ji
->type
== MONO_PATCH_INFO_METHOD_JUMP
)
4620 register_jump_target_got_slot (domain
, ji
->data
.method
, &(got
[got_slots
[pindex
]]));
4622 ji
->type
= MONO_PATCH_INFO_NONE
;
4627 mono_mempool_destroy (mp
);
4630 if (mini_get_debug_options ()->load_aot_jit_info_eagerly
)
4631 jinfo
= mono_aot_find_jit_info (domain
, amodule
->assembly
->image
, code
);
4636 MonoVTable
*vt
= mono_class_vtable_checked (domain
, init_class
, error
);
4640 inited_ok
= mono_runtime_class_init_full (vt
, error
);
4641 } else if (from_plt
&& klass_to_run_ctor
&& !mono_class_is_gtd (klass_to_run_ctor
)) {
4642 MonoVTable
*vt
= mono_class_vtable_checked (domain
, klass_to_run_ctor
, error
);
4646 inited_ok
= mono_runtime_class_init_full (vt
, error
);
4661 * mono_aot_init_llvmonly_method:
4663 * Initialize the method identified by METHOD_INDEX in llvmonly mode.
4666 mono_aot_init_llvmonly_method (gpointer aot_module
, guint32 method_index
, MonoClass
*init_class
, MonoError
*error
)
4668 MonoAotModule
*amodule
= (MonoAotModule
*)aot_module
;
4669 MonoMethod
*method
= NULL
;
4671 return init_method (amodule
, method_index
, method
, init_class
, error
);
4675 * mono_aot_get_method:
4677 * Return a pointer to the AOTed native code for METHOD if it can be found,
4679 * On platforms with function pointers, this doesn't return a function pointer.
4682 mono_aot_get_method (MonoDomain
*domain
, MonoMethod
*method
, MonoError
*error
)
4684 MonoClass
*klass
= method
->klass
;
4685 MonoMethod
*orig_method
= method
;
4686 guint32 method_index
;
4687 MonoAotModule
*amodule
= m_class_get_image (klass
)->aot_module
;
4689 gboolean cache_result
= FALSE
;
4690 ERROR_DECL (inner_error
);
4694 if (domain
!= mono_get_root_domain ())
4695 /* Non shared AOT code can't be used in other appdomains */
4698 if (enable_aot_cache
&& !amodule
&& domain
->entry_assembly
&& mono_is_corlib_image (m_class_get_image (klass
))) {
4699 /* This cannot be AOTed during startup, so do it now */
4700 if (!mscorlib_aot_loaded
) {
4701 mscorlib_aot_loaded
= TRUE
;
4702 load_aot_module (m_class_get_image (klass
)->assembly
, NULL
);
4703 amodule
= m_class_get_image (klass
)->aot_module
;
4710 if (amodule
->out_of_date
)
4713 if ((method
->iflags
& METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL
) ||
4714 (method
->flags
& METHOD_ATTRIBUTE_PINVOKE_IMPL
) ||
4715 (method
->iflags
& METHOD_IMPL_ATTRIBUTE_RUNTIME
) ||
4716 (method
->flags
& METHOD_ATTRIBUTE_ABSTRACT
))
4720 * Use the original method instead of its invoke-with-check wrapper.
4721 * This is not a problem when using full-aot, since it doesn't support
4724 if (mono_aot_only
&& method
->wrapper_type
== MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK
)
4725 return mono_aot_get_method (domain
, mono_marshal_method_from_wrapper (method
), error
);
4727 g_assert (m_class_is_inited (klass
));
4729 /* Find method index */
4730 method_index
= 0xffffff;
4732 gboolean dedupable
= mono_aot_can_dedup (method
);
4734 if (method
->is_inflated
&& !method
->wrapper_type
&& mono_method_is_generic_sharable_full (method
, TRUE
, FALSE
, FALSE
) && !dedupable
) {
4735 MonoMethod
*orig_method
= method
;
4737 * For generic methods, we store the fully shared instance in place of the
4740 method
= mono_method_get_declaring_generic_method (method
);
4741 method_index
= mono_metadata_token_index (method
->token
) - 1;
4743 if (amodule
->llvm_code_start
) {
4744 /* Needed by mono_aot_init_gshared_method_this () */
4745 /* orig_method is a random instance but it is enough to make init_method () work */
4746 amodule_lock (amodule
);
4747 g_hash_table_insert (amodule
->extra_methods
, GUINT_TO_POINTER (method_index
), orig_method
);
4748 amodule_unlock (amodule
);
4752 if (method_index
== 0xffffff && (method
->is_inflated
|| !method
->token
)) {
4753 /* This hash table is used to avoid the slower search in the extra_method_table in the AOT image */
4754 amodule_lock (amodule
);
4755 code
= (guint8
*)g_hash_table_lookup (amodule
->method_to_code
, method
);
4756 amodule_unlock (amodule
);
4760 cache_result
= TRUE
;
4761 if (method_index
== 0xffffff)
4762 method_index
= find_aot_method (method
, &amodule
);
4765 * Special case the ICollection<T> wrappers for arrays, as they cannot
4766 * be statically enumerated, and each wrapper ends up calling the same
4769 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_MANAGED
&& m_class_get_rank (method
->klass
) && strstr (method
->name
, "System.Collections.Generic")) {
4770 MonoMethod
*m
= mono_aot_get_array_helper_from_wrapper (method
);
4772 code
= (guint8
*)mono_aot_get_method (domain
, m
, inner_error
);
4773 mono_error_cleanup (inner_error
);
4779 * Special case Array.GetGenericValueImpl which is a generic icall.
4780 * Generic sharing currently can't handle it, but the icall returns data using
4781 * an out parameter, so the managed-to-native wrappers can share the same code.
4783 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_NATIVE
&& method
->klass
== mono_defaults
.array_class
&& !strcmp (method
->name
, "GetGenericValueImpl")) {
4785 MonoGenericContext ctx
;
4786 MonoType
*args
[16];
4788 if (mono_method_signature_internal (method
)->params
[1]->type
== MONO_TYPE_OBJECT
)
4789 /* Avoid recursion */
4792 m
= mono_class_get_method_from_name_checked (mono_defaults
.array_class
, "GetGenericValueImpl", 2, 0, error
);
4793 mono_error_assert_ok (error
);
4796 memset (&ctx
, 0, sizeof (ctx
));
4797 args
[0] = m_class_get_byval_arg (mono_defaults
.object_class
);
4798 ctx
.method_inst
= mono_metadata_get_generic_inst (1, args
);
4800 m
= mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m
, &ctx
, error
), TRUE
, TRUE
);
4802 g_error ("AOT runtime could not load method due to %s", mono_error_get_message (error
)); /* FIXME don't swallow the error */
4805 * Get the code for the <object> instantiation which should be emitted into
4806 * the mscorlib aot image by the AOT compiler.
4808 code
= (guint8
*)mono_aot_get_method (domain
, m
, inner_error
);
4809 mono_error_cleanup (inner_error
);
4814 const char *klass_name_space
= m_class_get_name_space (method
->klass
);
4815 const char *klass_name
= m_class_get_name (method
->klass
);
4816 /* Same for CompareExchange<T> and Exchange<T> */
4817 /* Same for Volatile.Read<T>/Write<T> */
4818 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_NATIVE
&& m_class_get_image (method
->klass
) == mono_defaults
.corlib
&&
4819 ((!strcmp (klass_name_space
, "System.Threading") && !strcmp (klass_name
, "Interlocked") && (!strcmp (method
->name
, "CompareExchange") || !strcmp (method
->name
, "Exchange")) && MONO_TYPE_IS_REFERENCE (mini_type_get_underlying_type (mono_method_signature_internal (method
)->params
[1]))) ||
4820 (!strcmp (klass_name_space
, "System.Threading") && !strcmp (klass_name
, "Volatile") && (!strcmp (method
->name
, "Read") && MONO_TYPE_IS_REFERENCE (mini_type_get_underlying_type (mono_method_signature_internal (method
)->ret
)))) ||
4821 (!strcmp (klass_name_space
, "System.Threading") && !strcmp (klass_name
, "Volatile") && (!strcmp (method
->name
, "Write") && MONO_TYPE_IS_REFERENCE (mini_type_get_underlying_type (mono_method_signature_internal (method
)->params
[1])))))) {
4823 MonoGenericContext ctx
;
4824 MonoType
*args
[16];
4825 gpointer iter
= NULL
;
4827 while ((m
= mono_class_get_methods (method
->klass
, &iter
))) {
4828 if (mono_method_signature_internal (m
)->generic_param_count
&& !strcmp (m
->name
, method
->name
))
4833 memset (&ctx
, 0, sizeof (ctx
));
4834 args
[0] = mono_get_object_type ();
4835 ctx
.method_inst
= mono_metadata_get_generic_inst (1, args
);
4837 m
= mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m
, &ctx
, error
), TRUE
, TRUE
);
4839 g_error ("AOT runtime could not load method due to %s", mono_error_get_message (error
)); /* FIXME don't swallow the error */
4841 /* Avoid recursion */
4846 * Get the code for the <object> instantiation which should be emitted into
4847 * the mscorlib aot image by the AOT compiler.
4849 code
= (guint8
*)mono_aot_get_method (domain
, m
, inner_error
);
4850 mono_error_cleanup (inner_error
);
4855 /* For ARRAY_ACCESSOR wrappers with reference types, use the <object> instantiation saved in corlib */
4856 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_OTHER
) {
4857 WrapperInfo
*info
= mono_marshal_get_wrapper_info (method
);
4859 if (info
->subtype
== WRAPPER_SUBTYPE_ARRAY_ACCESSOR
) {
4860 MonoMethod
*array_method
= info
->d
.array_accessor
.method
;
4861 if (MONO_TYPE_IS_REFERENCE (m_class_get_byval_arg (m_class_get_element_class (array_method
->klass
)))) {
4864 if (!strcmp (array_method
->name
, "Set"))
4865 rank
= mono_method_signature_internal (array_method
)->param_count
- 1;
4866 else if (!strcmp (array_method
->name
, "Get") || !strcmp (array_method
->name
, "Address"))
4867 rank
= mono_method_signature_internal (array_method
)->param_count
;
4869 g_assert_not_reached ();
4870 MonoClass
*obj_array_class
= mono_class_create_array (mono_defaults
.object_class
, rank
);
4871 MonoMethod
*m
= mono_class_get_method_from_name_checked (obj_array_class
, array_method
->name
, mono_method_signature_internal (array_method
)->param_count
, 0, error
);
4872 mono_error_assert_ok (error
);
4875 m
= mono_marshal_get_array_accessor_wrapper (m
);
4877 code
= (guint8
*)mono_aot_get_method (domain
, m
, inner_error
);
4878 mono_error_cleanup (inner_error
);
4886 if (method_index
== 0xffffff && method
->is_inflated
&& mono_method_is_generic_sharable_full (method
, FALSE
, TRUE
, FALSE
)) {
4887 /* Partial sharing */
4890 shared
= mini_get_shared_method_full (method
, SHARE_MODE_NONE
, error
);
4891 return_val_if_nok (error
, NULL
);
4893 method_index
= find_aot_method (shared
, &amodule
);
4894 if (method_index
!= 0xffffff)
4898 if (method_index
== 0xffffff && method
->is_inflated
&& mono_method_is_generic_sharable_full (method
, FALSE
, FALSE
, TRUE
)) {
4901 /* Use the all-vt shared method since this is what was AOTed */
4902 shared
= mini_get_shared_method_full (method
, SHARE_MODE_GSHAREDVT
, error
);
4906 method_index
= find_aot_method (shared
, &amodule
);
4907 if (method_index
!= 0xffffff) {
4908 method
= mini_get_shared_method_full (method
, SHARE_MODE_GSHAREDVT
, error
);
4914 if (method_index
== 0xffffff) {
4915 if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
)) {
4918 full_name
= mono_method_full_name (method
, TRUE
);
4919 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT NOT FOUND: %s.", full_name
);
4925 if (method_index
== 0xffffff)
4928 /* Needed by find_jit_info */
4929 amodule_lock (amodule
);
4930 g_hash_table_insert (amodule
->extra_methods
, GUINT_TO_POINTER (method_index
), method
);
4931 amodule_unlock (amodule
);
4934 method_index
= mono_metadata_token_index (method
->token
) - 1;
4936 guint32 num_methods
= amodule
->info
.nmethods
- amodule
->info
.nextra_methods
;
4937 if (method_index
>= num_methods
)
4938 /* method not available in AOT image */
4942 code
= (guint8
*)load_method (domain
, amodule
, m_class_get_image (klass
), method
, method
->token
, method_index
, error
);
4945 if (code
&& cache_result
) {
4946 amodule_lock (amodule
);
4947 g_hash_table_insert (amodule
->method_to_code
, orig_method
, code
);
4948 amodule_unlock (amodule
);
4954 * Same as mono_aot_get_method, but we try to avoid loading any metadata from the
4958 mono_aot_get_method_from_token (MonoDomain
*domain
, MonoImage
*image
, guint32 token
, MonoError
*error
)
4960 MonoAotModule
*aot_module
= image
->aot_module
;
4969 method_index
= mono_metadata_token_index (token
) - 1;
4971 res
= load_method (domain
, aot_module
, image
, NULL
, token
, method_index
, error
);
4978 } IsGotEntryUserData
;
4981 check_is_got_entry (gpointer key
, gpointer value
, gpointer user_data
)
4983 IsGotEntryUserData
*data
= (IsGotEntryUserData
*)user_data
;
4984 MonoAotModule
*aot_module
= (MonoAotModule
*)value
;
4986 if (aot_module
->got
&& (data
->addr
>= (guint8
*)(aot_module
->got
)) && (data
->addr
< (guint8
*)(aot_module
->got
+ aot_module
->info
.got_size
)))
4991 mono_aot_is_got_entry (guint8
*code
, guint8
*addr
)
4993 IsGotEntryUserData user_data
;
4998 user_data
.addr
= addr
;
4999 user_data
.res
= FALSE
;
5001 g_hash_table_foreach (aot_modules
, check_is_got_entry
, &user_data
);
5004 return user_data
.res
;
5009 MonoAotModule
*module
;
5010 } FindAotModuleUserData
;
5013 find_aot_module_cb (gpointer key
, gpointer value
, gpointer user_data
)
5015 FindAotModuleUserData
*data
= (FindAotModuleUserData
*)user_data
;
5016 MonoAotModule
*aot_module
= (MonoAotModule
*)value
;
5018 if (amodule_contains_code_addr (aot_module
, data
->addr
))
5019 data
->module
= aot_module
;
5022 static inline MonoAotModule
*
5023 find_aot_module (guint8
*code
)
5025 FindAotModuleUserData user_data
;
5030 /* Reading these need no locking */
5031 if (((gsize
)code
< aot_code_low_addr
) || ((gsize
)code
> aot_code_high_addr
))
5034 user_data
.addr
= code
;
5035 user_data
.module
= NULL
;
5038 g_hash_table_foreach (aot_modules
, find_aot_module_cb
, &user_data
);
5041 return user_data
.module
;
5045 mono_aot_patch_plt_entry (guint8
*code
, guint8
*plt_entry
, gpointer
*got
, host_mgreg_t
*regs
, guint8
*addr
)
5047 MonoAotModule
*amodule
;
5050 * Since AOT code is only used in the root domain,
5051 * mono_domain_get () != mono_get_root_domain () means the calling method
5052 * is AppDomain:InvokeInDomain, so this is the same check as in
5053 * mono_method_same_domain () but without loading the metadata for the method.
5055 if (mono_domain_get () == mono_get_root_domain ()) {
5057 amodule
= find_aot_module (code
);
5061 mono_arch_patch_plt_entry (plt_entry
, got
, regs
, addr
);
5066 * mono_aot_plt_resolve:
5068 * This function is called by the entries in the PLT to resolve the actual method that
5069 * needs to be called. It returns a trampoline to the method and patches the PLT entry.
5070 * Returns NULL if the something cannot be loaded.
5073 mono_aot_plt_resolve (gpointer aot_module
, guint32 plt_info_offset
, guint8
*code
, MonoError
*error
)
5075 #ifdef MONO_ARCH_AOT_SUPPORTED
5076 guint8
*p
, *target
, *plt_entry
;
5078 MonoAotModule
*module
= (MonoAotModule
*)aot_module
;
5079 gboolean res
, no_ftnptr
= FALSE
;
5081 gboolean using_gsharedvt
= FALSE
;
5085 //printf ("DYN: %p %d\n", aot_module, plt_info_offset);
5087 p
= &module
->blob
[plt_info_offset
];
5089 ji
.type
= (MonoJumpInfoType
)decode_value (p
, &p
);
5091 mp
= mono_mempool_new ();
5092 res
= decode_patch (module
, mp
, &ji
, p
, &p
);
5095 mono_mempool_destroy (mp
);
5099 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
5100 using_gsharedvt
= TRUE
;
5104 * Avoid calling resolve_patch_target in the full-aot case if possible, since
5105 * it would create a trampoline, and we don't need that.
5106 * We could do this only if the method does not need the special handling
5107 * in mono_magic_trampoline ().
5109 if (mono_aot_only
&& ji
.type
== MONO_PATCH_INFO_METHOD
&& !ji
.data
.method
->is_generic
&& !mono_method_check_context_used (ji
.data
.method
) && !(ji
.data
.method
->iflags
& METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED
) &&
5110 !mono_method_needs_static_rgctx_invoke (ji
.data
.method
, FALSE
) && !using_gsharedvt
) {
5111 target
= (guint8
*)mono_jit_compile_method (ji
.data
.method
, error
);
5112 if (!mono_error_ok (error
)) {
5113 mono_mempool_destroy (mp
);
5118 target
= (guint8
*)mono_resolve_patch_target (NULL
, mono_domain_get (), NULL
, &ji
, TRUE
, error
);
5119 if (!mono_error_ok (error
)) {
5120 mono_mempool_destroy (mp
);
5126 * The trampoline expects us to return a function descriptor on platforms which use
5127 * it, but resolve_patch_target returns a direct function pointer for some type of
5128 * patches, so have to translate between the two.
5129 * FIXME: Clean this up, but how ?
5131 if (ji
.type
== MONO_PATCH_INFO_ABS
|| ji
.type
== MONO_PATCH_INFO_JIT_ICALL_ID
5132 || ji
.type
== MONO_PATCH_INFO_ICALL_ADDR
5133 || ji
.type
== MONO_PATCH_INFO_TRAMPOLINE_FUNC_ADDR
|| ji
.type
== MONO_PATCH_INFO_SPECIFIC_TRAMPOLINE_LAZY_FETCH_ADDR
5134 || ji
.type
== MONO_PATCH_INFO_JIT_ICALL_ADDR
|| ji
.type
== MONO_PATCH_INFO_RGCTX_FETCH
) {
5135 /* These should already have a function descriptor */
5136 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
5137 /* Our function descriptors have a 0 environment, gcc created ones don't */
5138 if (ji
.type
!= MONO_PATCH_INFO_JIT_ICALL_ID
5139 && ji
.type
!= MONO_PATCH_INFO_JIT_ICALL_ADDR
&& ji
.type
!= MONO_PATCH_INFO_ICALL_ADDR
5140 && ji
.type
!= MONO_PATCH_INFO_TRAMPOLINE_FUNC_ADDR
&& ji
.type
!= MONO_PATCH_INFO_SPECIFIC_TRAMPOLINE_LAZY_FETCH_ADDR
)
5141 g_assert (((gpointer
*)target
) [2] == 0);
5144 } else if (!no_ftnptr
) {
5145 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
5146 g_assert (((gpointer
*)target
) [2] != 0);
5148 target
= (guint8
*)mono_create_ftnptr (mono_domain_get (), target
);
5151 mono_mempool_destroy (mp
);
5153 /* Patch the PLT entry with target which might be the actual method not a trampoline */
5154 plt_entry
= mono_aot_get_plt_entry (code
);
5155 g_assert (plt_entry
);
5156 mono_aot_patch_plt_entry (code
, plt_entry
, module
->got
, NULL
, target
);
5160 g_assert_not_reached ();
5168 * Initialize the PLT table of the AOT module. Called lazily when the first AOT
5169 * method in the module is loaded to avoid committing memory by writing to it.
5170 * LOCKING: Assumes the AMODULE lock is held.
5173 init_plt (MonoAotModule
*amodule
)
5178 if (amodule
->plt_inited
)
5181 if (amodule
->info
.plt_size
<= 1) {
5182 amodule
->plt_inited
= TRUE
;
5186 tramp
= mono_create_specific_trampoline (amodule
, MONO_TRAMPOLINE_AOT_PLT
, mono_get_root_domain (), NULL
);
5189 * Initialize the PLT entries in the GOT to point to the default targets.
5192 tramp
= mono_create_ftnptr (mono_domain_get (), tramp
);
5193 for (i
= 1; i
< amodule
->info
.plt_size
; ++i
)
5194 /* All the default entries point to the AOT trampoline */
5195 ((gpointer
*)amodule
->got
)[amodule
->info
.plt_got_offset_base
+ i
] = tramp
;
5197 amodule
->plt_inited
= TRUE
;
5201 * mono_aot_get_plt_entry:
5203 * Return the address of the PLT entry called by the code at CODE if exists.
5206 mono_aot_get_plt_entry (guint8
*code
)
5208 MonoAotModule
*amodule
= find_aot_module (code
);
5209 guint8
*target
= NULL
;
5215 if (is_thumb_code (amodule
, code
- 4))
5216 return mono_arm_get_thumb_plt_entry (code
);
5219 #ifdef MONO_ARCH_AOT_SUPPORTED
5220 target
= mono_arch_get_call_target (code
);
5222 g_assert_not_reached ();
5226 while (target
!= NULL
) {
5227 if ((target
>= (guint8
*)(amodule
->plt
)) && (target
< (guint8
*)(amodule
->plt_end
)))
5230 // Add 4 since mono_arch_get_call_target assumes we're passing
5231 // the instruction after the actual branch instruction.
5232 target
= mono_arch_get_call_target (target
+ 4);
5237 if ((target
>= (guint8
*)(amodule
->plt
)) && (target
< (guint8
*)(amodule
->plt_end
)))
5245 * mono_aot_get_plt_info_offset:
5247 * Return the PLT info offset belonging to the plt entry called by CODE.
5250 mono_aot_get_plt_info_offset (host_mgreg_t
*regs
, guint8
*code
)
5252 guint8
*plt_entry
= mono_aot_get_plt_entry (code
);
5254 g_assert (plt_entry
);
5256 /* The offset is embedded inside the code after the plt entry */
5257 #ifdef MONO_ARCH_AOT_SUPPORTED
5258 return mono_arch_get_plt_info_offset (plt_entry
, regs
, code
);
5260 g_assert_not_reached ();
5266 mono_create_ftnptr_malloc (guint8
*code
)
5268 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
5269 MonoPPCFunctionDescriptor
*ftnptr
= g_malloc0 (sizeof (MonoPPCFunctionDescriptor
));
5271 ftnptr
->code
= code
;
5282 * mono_aot_register_jit_icall:
5284 * Register a JIT icall which is called by trampolines in full-aot mode. This should
5285 * be called from mono_arch_init () during startup.
5288 mono_aot_register_jit_icall (const char *name
, gpointer addr
)
5290 /* No need for locking */
5291 if (!aot_jit_icall_hash
)
5292 aot_jit_icall_hash
= g_hash_table_new (g_str_hash
, g_str_equal
);
5293 g_hash_table_insert (aot_jit_icall_hash
, (char*)name
, addr
);
5297 * load_function_full:
5299 * Load the function named NAME from the aot image.
5302 load_function_full (MonoAotModule
*amodule
, const char *name
, MonoTrampInfo
**out_tinfo
)
5306 int n_patches
, pindex
;
5309 guint32 info_offset
;
5313 find_amodule_symbol (amodule
, name
, &code
);
5314 g_assertf (code
, "Symbol '%s' not found in AOT file '%s'.\n", name
, amodule
->aot_name
);
5316 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT: FOUND function '%s' in AOT file '%s'.", name
, amodule
->aot_name
);
5320 symbol
= g_strdup_printf ("%s_p", name
);
5321 find_amodule_symbol (amodule
, symbol
, (gpointer
*)&p
);
5324 /* Nothing to patch */
5327 info_offset
= *(guint32
*)p
;
5329 MonoTrampInfo
*tinfo
;
5330 guint32 code_size
, uw_info_len
, uw_offset
;
5332 /* Construct a MonoTrampInfo from the data in the AOT image */
5334 p
+= sizeof (guint32
);
5335 code_size
= *(guint32
*)p
;
5336 p
+= sizeof (guint32
);
5337 uw_offset
= *(guint32
*)p
;
5338 uw_info
= amodule
->unwind_info
+ uw_offset
;
5339 uw_info_len
= decode_value (uw_info
, &uw_info
);
5341 tinfo
= g_new0 (MonoTrampInfo
, 1);
5342 tinfo
->code
= (guint8
*)code
;
5343 tinfo
->code_size
= code_size
;
5344 tinfo
->uw_info_len
= uw_info_len
;
5346 tinfo
->uw_info
= uw_info
;
5351 p
= amodule
->blob
+ info_offset
;
5353 /* Similar to mono_aot_load_method () */
5355 n_patches
= decode_value (p
, &p
);
5358 MonoJumpInfo
*patches
;
5361 mp
= mono_mempool_new ();
5363 patches
= load_patch_info (amodule
, mp
, n_patches
, FALSE
, &got_slots
, p
, &p
);
5366 for (pindex
= 0; pindex
< n_patches
; ++pindex
) {
5367 MonoJumpInfo
*ji
= &patches
[pindex
];
5371 if (amodule
->got
[got_slots
[pindex
]])
5375 * When this code is executed, the runtime may not be initalized yet, so
5376 * resolve the patch info by hand.
5378 if (ji
->type
== MONO_PATCH_INFO_TRAMPOLINE_FUNC_ADDR
) {
5379 target
= (gpointer
)mono_get_trampoline_func ((MonoTrampolineType
)ji
->data
.index
);
5380 } else if (ji
->type
== MONO_PATCH_INFO_SPECIFIC_TRAMPOLINE_LAZY_FETCH_ADDR
) {
5381 target
= mono_create_specific_trampoline (GUINT_TO_POINTER (ji
->data
.uindex
), MONO_TRAMPOLINE_RGCTX_LAZY_FETCH
, mono_get_root_domain (), NULL
);
5382 target
= mono_create_ftnptr_malloc ((guint8
*)target
);
5383 } else if (ji
->type
== MONO_PATCH_INFO_JIT_ICALL_ADDR
) {
5384 if (!strcmp (ji
->data
.name
, "mono_get_lmf_addr")) {
5385 target
= (gpointer
)mono_get_lmf_addr
;
5386 } else if (!strcmp (ji
->data
.name
, "mono_thread_force_interruption_checkpoint_noraise")) {
5387 target
= (gpointer
)mono_thread_force_interruption_checkpoint_noraise
;
5388 } else if (!strcmp (ji
->data
.name
, "mono_exception_from_token")) {
5389 target
= (gpointer
)mono_exception_from_token
;
5390 } else if (!strcmp (ji
->data
.name
, "debugger_agent_single_step_from_context")) {
5391 target
= (gpointer
)mini_get_dbg_callbacks ()->single_step_from_context
;
5392 } else if (!strcmp (ji
->data
.name
, "debugger_agent_breakpoint_from_context")) {
5393 target
= (gpointer
)mini_get_dbg_callbacks ()->breakpoint_from_context
;
5394 } else if (!strcmp (ji
->data
.name
, "throw_exception_addr")) {
5395 target
= mono_get_throw_exception_addr ();
5396 } else if (!strcmp (ji
->data
.name
, "rethrow_preserve_exception_addr")) {
5397 target
= mono_get_rethrow_preserve_exception_addr ();
5398 } else if (strstr (ji
->data
.name
, "generic_trampoline_")) {
5399 target
= mono_aot_get_trampoline (ji
->data
.name
);
5400 } else if (aot_jit_icall_hash
&& g_hash_table_lookup (aot_jit_icall_hash
, ji
->data
.name
)) {
5401 /* Registered by mono_arch_init () */
5402 target
= g_hash_table_lookup (aot_jit_icall_hash
, ji
->data
.name
);
5404 fprintf (stderr
, "Unknown relocation '%s'\n", ji
->data
.name
);
5405 g_assert_not_reached ();
5409 /* Hopefully the code doesn't have patches which need method or
5412 target
= mono_resolve_patch_target (NULL
, NULL
, (guint8
*)code
, ji
, FALSE
, error
);
5413 mono_error_assert_ok (error
);
5417 amodule
->got
[got_slots
[pindex
]] = target
;
5422 mono_mempool_destroy (mp
);
5429 load_function (MonoAotModule
*amodule
, const char *name
)
5431 return load_function_full (amodule
, name
, NULL
);
5434 static MonoAotModule
*
5435 get_mscorlib_aot_module (void)
5438 MonoAotModule
*amodule
;
5440 image
= mono_defaults
.corlib
;
5442 amodule
= image
->aot_module
;
5444 amodule
= mscorlib_aot_module
;
5450 mono_no_trampolines (void);
5453 * Return the trampoline identified by NAME from the mscorlib AOT file.
5454 * On ppc64, this returns a function descriptor.
5457 mono_aot_get_trampoline_full (const char *name
, MonoTrampInfo
**out_tinfo
)
5459 MonoAotModule
*amodule
= get_mscorlib_aot_module ();
5461 if (mono_llvm_only
) {
5463 return (gpointer
)mono_no_trampolines
;
5466 return mono_create_ftnptr_malloc ((guint8
*)load_function_full (amodule
, name
, out_tinfo
));
5470 mono_aot_get_trampoline (const char *name
)
5472 MonoTrampInfo
*out_tinfo
;
5475 code
= mono_aot_get_trampoline_full (name
, &out_tinfo
);
5476 mono_aot_tramp_info_register (out_tinfo
, NULL
);
5482 read_unwind_info (MonoAotModule
*amodule
, MonoTrampInfo
*info
, const char *symbol_name
)
5484 gpointer symbol_addr
;
5485 guint32 uw_offset
, uw_info_len
;
5488 find_amodule_symbol (amodule
, symbol_name
, &symbol_addr
);
5493 uw_offset
= *(guint32
*)symbol_addr
;
5494 uw_info
= amodule
->unwind_info
+ uw_offset
;
5495 uw_info_len
= decode_value (uw_info
, &uw_info
);
5497 info
->uw_info_len
= uw_info_len
;
5499 info
->uw_info
= uw_info
;
5501 info
->uw_info
= NULL
;
5503 /* If successful return the address of the following data */
5504 return (guint32
*)symbol_addr
+ 1;
5508 #include <mach/mach.h>
5510 static TrampolinePage
* trampoline_pages
[MONO_AOT_TRAMP_NUM
];
5513 read_page_trampoline_uwinfo (MonoTrampInfo
*info
, int tramp_type
, gboolean is_generic
)
5515 char symbol_name
[128];
5517 if (tramp_type
== MONO_AOT_TRAMP_SPECIFIC
)
5518 sprintf (symbol_name
, "specific_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5519 else if (tramp_type
== MONO_AOT_TRAMP_STATIC_RGCTX
)
5520 sprintf (symbol_name
, "rgctx_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5521 else if (tramp_type
== MONO_AOT_TRAMP_IMT
)
5522 sprintf (symbol_name
, "imt_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5523 else if (tramp_type
== MONO_AOT_TRAMP_GSHAREDVT_ARG
)
5524 sprintf (symbol_name
, "gsharedvt_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5525 else if (tramp_type
== MONO_AOT_TRAMP_UNBOX_ARBITRARY
)
5526 sprintf (symbol_name
, "unbox_arbitrary_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5528 g_assert_not_reached ();
5530 read_unwind_info (mono_defaults
.corlib
->aot_module
, info
, symbol_name
);
5533 static unsigned char*
5534 get_new_trampoline_from_page (int tramp_type
)
5536 MonoAotModule
*amodule
;
5538 TrampolinePage
*page
;
5541 vm_address_t addr
, taddr
;
5543 vm_prot_t prot
, max_prot
;
5544 int psize
, specific_trampoline_size
;
5545 unsigned char *code
;
5547 specific_trampoline_size
= 2 * sizeof (gpointer
);
5549 mono_aot_page_lock ();
5550 page
= trampoline_pages
[tramp_type
];
5551 if (page
&& page
->trampolines
< page
->trampolines_end
) {
5552 code
= page
->trampolines
;
5553 page
->trampolines
+= specific_trampoline_size
;
5554 mono_aot_page_unlock ();
5557 mono_aot_page_unlock ();
5558 /* the trampoline template page is in the mscorlib module */
5559 image
= mono_defaults
.corlib
;
5562 psize
= MONO_AOT_TRAMP_PAGE_SIZE
;
5564 amodule
= image
->aot_module
;
5567 if (tramp_type
== MONO_AOT_TRAMP_SPECIFIC
)
5568 tpage
= load_function (amodule
, "specific_trampolines_page");
5569 else if (tramp_type
== MONO_AOT_TRAMP_STATIC_RGCTX
)
5570 tpage
= load_function (amodule
, "rgctx_trampolines_page");
5571 else if (tramp_type
== MONO_AOT_TRAMP_IMT
)
5572 tpage
= load_function (amodule
, "imt_trampolines_page");
5573 else if (tramp_type
== MONO_AOT_TRAMP_GSHAREDVT_ARG
)
5574 tpage
= load_function (amodule
, "gsharedvt_arg_trampolines_page");
5575 else if (tramp_type
== MONO_AOT_TRAMP_UNBOX_ARBITRARY
)
5576 tpage
= load_function (amodule
, "unbox_arbitrary_trampolines_page");
5578 g_error ("Incorrect tramp type for trampolines page");
5580 /*g_warning ("loaded trampolines page at %x", tpage);*/
5582 /* avoid the unlikely case of looping forever */
5585 while (page
== NULL
&& count
-- > 0) {
5586 MonoTrampInfo
*gen_info
, *sp_info
;
5589 /* allocate two contiguous pages of memory: the first page will contain the data (like a local constant pool)
5590 * while the second will contain the trampolines.
5593 ret
= vm_allocate (mach_task_self (), &addr
, psize
* 2, VM_FLAGS_ANYWHERE
);
5594 } while (ret
== KERN_ABORTED
);
5595 if (ret
!= KERN_SUCCESS
) {
5596 g_error ("Cannot allocate memory for trampolines: %d", ret
);
5599 /*g_warning ("allocated trampoline double page at %x", addr);*/
5600 /* replace the second page with a remapped trampoline page */
5601 taddr
= addr
+ psize
;
5602 vm_deallocate (mach_task_self (), taddr
, psize
);
5603 ret
= vm_remap (mach_task_self (), &taddr
, psize
, 0, FALSE
, mach_task_self(), (vm_address_t
)tpage
, FALSE
, &prot
, &max_prot
, VM_INHERIT_SHARE
);
5604 if (ret
!= KERN_SUCCESS
) {
5605 /* someone else got the page, try again */
5606 vm_deallocate (mach_task_self (), addr
, psize
);
5609 /*g_warning ("remapped trampoline page at %x", taddr);*/
5611 mono_aot_page_lock ();
5612 page
= trampoline_pages
[tramp_type
];
5613 /* some other thread already allocated, so use that to avoid wasting memory */
5614 if (page
&& page
->trampolines
< page
->trampolines_end
) {
5615 code
= page
->trampolines
;
5616 page
->trampolines
+= specific_trampoline_size
;
5617 mono_aot_page_unlock ();
5618 vm_deallocate (mach_task_self (), addr
, psize
);
5619 vm_deallocate (mach_task_self (), taddr
, psize
);
5622 page
= (TrampolinePage
*)addr
;
5623 page
->next
= trampoline_pages
[tramp_type
];
5624 trampoline_pages
[tramp_type
] = page
;
5625 page
->trampolines
= (guint8
*)(taddr
+ amodule
->info
.tramp_page_code_offsets
[tramp_type
]);
5626 page
->trampolines_end
= (guint8
*)(taddr
+ psize
- 64);
5627 code
= page
->trampolines
;
5628 page
->trampolines
+= specific_trampoline_size
;
5629 mono_aot_page_unlock ();
5631 /* Register the generic part at the beggining of the trampoline page */
5632 gen_info
= mono_tramp_info_create (NULL
, (guint8
*)taddr
, amodule
->info
.tramp_page_code_offsets
[tramp_type
], NULL
, NULL
);
5633 read_page_trampoline_uwinfo (gen_info
, tramp_type
, TRUE
);
5634 mono_aot_tramp_info_register (gen_info
, NULL
);
5637 * Registering each specific trampoline produces a lot of
5638 * MonoJitInfo structures. Jump trampolines are also registered
5641 if (tramp_type
!= MONO_AOT_TRAMP_SPECIFIC
) {
5642 /* Register the rest of the page as a single trampoline */
5643 sp_info
= mono_tramp_info_create (NULL
, code
, page
->trampolines_end
- code
, NULL
, NULL
);
5644 read_page_trampoline_uwinfo (sp_info
, tramp_type
, FALSE
);
5645 mono_aot_tramp_info_register (sp_info
, NULL
);
5649 g_error ("Cannot allocate more trampoline pages: %d", ret
);
5654 static unsigned char*
5655 get_new_trampoline_from_page (int tramp_type
)
5657 g_error ("Page trampolines not supported.");
5664 get_new_specific_trampoline_from_page (gpointer tramp
, gpointer arg
)
5669 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_SPECIFIC
);
5671 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5674 /*g_warning ("new trampoline at %p for data %p, tramp %p (stored at %p)", code, arg, tramp, data);*/
5680 get_new_rgctx_trampoline_from_page (gpointer tramp
, gpointer arg
)
5685 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_STATIC_RGCTX
);
5687 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5690 /*g_warning ("new rgctx trampoline at %p for data %p, tramp %p (stored at %p)", code, arg, tramp, data);*/
5696 get_new_imt_trampoline_from_page (gpointer arg
)
5701 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_IMT
);
5703 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5705 /*g_warning ("new imt trampoline at %p for data %p, (stored at %p)", code, arg, data);*/
5711 get_new_gsharedvt_arg_trampoline_from_page (gpointer tramp
, gpointer arg
)
5716 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_GSHAREDVT_ARG
);
5718 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5721 /*g_warning ("new rgctx trampoline at %p for data %p, tramp %p (stored at %p)", code, arg, tramp, data);*/
5726 get_new_unbox_arbitrary_trampoline_frome_page (gpointer addr
)
5731 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_UNBOX_ARBITRARY
);
5733 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5739 /* Return a given kind of trampoline */
5740 /* FIXME set unwind info for these trampolines */
5742 get_numerous_trampoline (MonoAotTrampoline tramp_type
, int n_got_slots
, MonoAotModule
**out_amodule
, guint32
*got_offset
, guint32
*out_tramp_size
)
5745 MonoAotModule
*amodule
= get_mscorlib_aot_module ();
5746 int index
, tramp_size
;
5748 /* Currently, we keep all trampolines in the mscorlib AOT image */
5749 image
= mono_defaults
.corlib
;
5751 *out_amodule
= amodule
;
5756 #define MONOTOUCH_TRAMPOLINES_ERROR ". See http://docs.xamarin.com/ios/troubleshooting for instructions on how to fix this condition."
5758 #define MONOTOUCH_TRAMPOLINES_ERROR ""
5760 if (amodule
->trampoline_index
[tramp_type
] == amodule
->info
.num_trampolines
[tramp_type
]) {
5761 g_error ("Ran out of trampolines of type %d in '%s' (limit %d)%s\n",
5762 tramp_type
, image
? image
->name
: MONO_ASSEMBLY_CORLIB_NAME
, amodule
->info
.num_trampolines
[tramp_type
], MONOTOUCH_TRAMPOLINES_ERROR
);
5764 index
= amodule
->trampoline_index
[tramp_type
] ++;
5768 *got_offset
= amodule
->info
.trampoline_got_offset_base
[tramp_type
] + (index
* n_got_slots
);
5770 tramp_size
= amodule
->info
.trampoline_size
[tramp_type
];
5773 *out_tramp_size
= tramp_size
;
5775 return amodule
->trampolines
[tramp_type
] + (index
* tramp_size
);
5779 no_specific_trampoline (void)
5781 g_assert_not_reached ();
5785 * Return a specific trampoline from the AOT file.
5788 mono_aot_create_specific_trampoline (MonoImage
*image
, gpointer arg1
, MonoTrampolineType tramp_type
, MonoDomain
*domain
, guint32
*code_len
)
5790 MonoAotModule
*amodule
;
5791 guint32 got_offset
, tramp_size
;
5792 guint8
*code
, *tramp
;
5793 static gpointer generic_trampolines
[MONO_TRAMPOLINE_NUM
];
5794 static gboolean inited
;
5795 static guint32 num_trampolines
;
5797 if (mono_llvm_only
) {
5799 return (gpointer
)no_specific_trampoline
;
5806 mono_counters_register ("Specific trampolines", MONO_COUNTER_JIT
| MONO_COUNTER_INT
, &num_trampolines
);
5815 if (!generic_trampolines
[tramp_type
]) {
5818 symbol
= mono_get_generic_trampoline_name (tramp_type
);
5819 generic_trampolines
[tramp_type
] = mono_aot_get_trampoline (symbol
);
5822 tramp
= (guint8
*)generic_trampolines
[tramp_type
];
5825 if (USE_PAGE_TRAMPOLINES
) {
5826 code
= (guint8
*)get_new_specific_trampoline_from_page (tramp
, arg1
);
5829 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_SPECIFIC
, 2, &amodule
, &got_offset
, &tramp_size
);
5831 amodule
->got
[got_offset
] = tramp
;
5832 amodule
->got
[got_offset
+ 1] = arg1
;
5836 *code_len
= tramp_size
;
5842 mono_aot_get_static_rgctx_trampoline (gpointer ctx
, gpointer addr
)
5844 MonoAotModule
*amodule
;
5848 if (USE_PAGE_TRAMPOLINES
) {
5849 code
= (guint8
*)get_new_rgctx_trampoline_from_page (addr
, ctx
);
5851 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_STATIC_RGCTX
, 2, &amodule
, &got_offset
, NULL
);
5853 amodule
->got
[got_offset
] = ctx
;
5854 amodule
->got
[got_offset
+ 1] = addr
;
5857 /* The caller expects an ftnptr */
5858 return mono_create_ftnptr (mono_domain_get (), code
);
5862 mono_aot_get_unbox_arbitrary_trampoline (gpointer addr
)
5864 MonoAotModule
*amodule
;
5868 if (USE_PAGE_TRAMPOLINES
) {
5869 code
= (guint8
*)get_new_unbox_arbitrary_trampoline_frome_page (addr
);
5871 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_UNBOX_ARBITRARY
, 1, &amodule
, &got_offset
, NULL
);
5872 amodule
->got
[got_offset
] = addr
;
5875 /* The caller expects an ftnptr */
5876 return mono_create_ftnptr (mono_domain_get (), code
);
5880 i32_idx_comparer (const void *key
, const void *member
)
5882 gint32 idx1
= GPOINTER_TO_INT (key
);
5883 gint32 idx2
= *(gint32
*)member
;
5888 i16_idx_comparer (const void *key
, const void *member
)
5890 int idx1
= GPOINTER_TO_INT (key
);
5891 int idx2
= *(gint16
*)member
;
5896 aot_is_slim_amodule (MonoAotModule
*amodule
)
5901 /* "slim" only applies to mscorlib.dll */
5902 if (strcmp (amodule
->aot_name
, "mscorlib"))
5905 guint32 f
= amodule
->info
.flags
;
5906 return (f
& MONO_AOT_FILE_FLAG_INTERP
) && !(f
& MONO_AOT_FILE_FLAG_FULL_AOT
);
5910 mono_aot_get_unbox_trampoline (MonoMethod
*method
, gpointer addr
)
5913 guint32 method_index
= mono_metadata_token_index (method
->token
) - 1;
5914 MonoAotModule
*amodule
;
5916 guint32
*ut
, *ut_end
, *entry
;
5917 int low
, high
, entry_index
= 0;
5918 MonoTrampInfo
*tinfo
;
5920 if (method
->is_inflated
&& !mono_method_is_generic_sharable_full (method
, FALSE
, FALSE
, FALSE
)) {
5921 method_index
= find_aot_method (method
, &amodule
);
5922 if (method_index
== 0xffffff && mono_method_is_generic_sharable_full (method
, FALSE
, TRUE
, FALSE
)) {
5923 MonoMethod
*shared
= mini_get_shared_method_full (method
, SHARE_MODE_NONE
, error
);
5924 mono_error_assert_ok (error
);
5925 method_index
= find_aot_method (shared
, &amodule
);
5927 if (method_index
== 0xffffff && mono_method_is_generic_sharable_full (method
, FALSE
, TRUE
, TRUE
)) {
5928 MonoMethod
*shared
= mini_get_shared_method_full (method
, SHARE_MODE_GSHAREDVT
, error
);
5929 mono_error_assert_ok (error
);
5931 method_index
= find_aot_method (shared
, &amodule
);
5934 amodule
= m_class_get_image (method
->klass
)->aot_module
;
5936 if (amodule
== NULL
|| method_index
== 0xffffff || aot_is_slim_amodule (amodule
)) {
5937 /* couldn't find unbox trampoline specifically generated for that
5938 * method. this should only happen when an unbox trampoline is needed
5939 * for `fullAOT code -> native-to-interp -> interp` transition if
5940 * (1) it's a virtual call
5941 * (2) the receiver is a value type, thus needs unboxing */
5942 g_assert (mono_use_interpreter
);
5943 return mono_aot_get_unbox_arbitrary_trampoline (addr
);
5946 if (amodule
->info
.llvm_unbox_tramp_indexes
) {
5947 int unbox_tramp_idx
;
5949 /* Search the llvm_unbox_tramp_indexes table using a binary search */
5950 if (amodule
->info
.llvm_unbox_tramp_elemsize
== sizeof (guint32
)) {
5951 void *ptr
= mono_binary_search (GINT_TO_POINTER (method_index
), amodule
->info
.llvm_unbox_tramp_indexes
, amodule
->info
.llvm_unbox_tramp_num
, amodule
->info
.llvm_unbox_tramp_elemsize
, i32_idx_comparer
);
5953 g_assert (*(int*)ptr
== method_index
);
5954 unbox_tramp_idx
= (guint32
*)ptr
- (guint32
*)amodule
->info
.llvm_unbox_tramp_indexes
;
5956 void *ptr
= mono_binary_search (GINT_TO_POINTER (method_index
), amodule
->info
.llvm_unbox_tramp_indexes
, amodule
->info
.llvm_unbox_tramp_num
, amodule
->info
.llvm_unbox_tramp_elemsize
, i16_idx_comparer
);
5958 g_assert (*(gint16
*)ptr
== method_index
);
5959 unbox_tramp_idx
= (guint16
*)ptr
- (guint16
*)amodule
->info
.llvm_unbox_tramp_indexes
;
5961 g_assert (unbox_tramp_idx
< amodule
->info
.llvm_unbox_tramp_num
);
5962 code
= ((gpointer
*)(amodule
->info
.llvm_unbox_trampolines
))[unbox_tramp_idx
];
5967 if (amodule
->info
.llvm_get_unbox_tramp
) {
5968 gpointer (*get_tramp
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_unbox_tramp
;
5969 code
= get_tramp (method_index
);
5975 ut
= amodule
->unbox_trampolines
;
5976 ut_end
= amodule
->unbox_trampolines_end
;
5978 /* Do a binary search in the sorted table */
5981 high
= (ut_end
- ut
);
5982 while (low
< high
) {
5983 entry_index
= (low
+ high
) / 2;
5984 entry
= &ut
[entry_index
];
5985 if (entry
[0] < method_index
) {
5986 low
= entry_index
+ 1;
5987 } else if (entry
[0] > method_index
) {
5994 code
= get_call_table_entry (amodule
->unbox_trampoline_addresses
, entry_index
);
5997 tinfo
= mono_tramp_info_create (NULL
, (guint8
*)code
, 0, NULL
, NULL
);
5999 gpointer
const symbol_addr
= read_unwind_info (amodule
, tinfo
, "unbox_trampoline_p");
6001 mono_tramp_info_free (tinfo
);
6005 tinfo
->code_size
= *(guint32
*)symbol_addr
;
6006 mono_aot_tramp_info_register (tinfo
, NULL
);
6008 /* The caller expects an ftnptr */
6009 return mono_create_ftnptr (mono_domain_get (), code
);
6013 mono_aot_get_lazy_fetch_trampoline (guint32 slot
)
6017 MonoAotModule
*amodule
= mono_defaults
.corlib
->aot_module
;
6018 guint32 index
= MONO_RGCTX_SLOT_INDEX (slot
);
6019 static int count
= 0;
6022 if (index
>= amodule
->info
.num_rgctx_fetch_trampolines
) {
6023 static gpointer addr
;
6027 * Use the general version of the rgctx fetch trampoline. It receives a pair of <slot, trampoline> in the rgctx arg reg.
6030 addr
= load_function (amodule
, "rgctx_fetch_trampoline_general");
6031 info
= (void **)mono_domain_alloc0 (mono_get_root_domain (), sizeof (gpointer
) * 2);
6032 info
[0] = GUINT_TO_POINTER (slot
);
6033 info
[1] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot
), MONO_TRAMPOLINE_RGCTX_LAZY_FETCH
, mono_get_root_domain (), NULL
);
6034 code
= mono_aot_get_static_rgctx_trampoline (info
, addr
);
6035 return mono_create_ftnptr (mono_domain_get (), code
);
6038 symbol
= mono_get_rgctx_fetch_trampoline_name (slot
);
6039 code
= load_function (mono_defaults
.corlib
->aot_module
, symbol
);
6041 /* The caller expects an ftnptr */
6042 return mono_create_ftnptr (mono_domain_get (), code
);
6046 no_imt_trampoline (void)
6048 g_assert_not_reached ();
6052 mono_aot_get_imt_trampoline (MonoVTable
*vtable
, MonoDomain
*domain
, MonoIMTCheckItem
**imt_entries
, int count
, gpointer fail_tramp
)
6057 int i
, index
, real_count
;
6058 MonoAotModule
*amodule
;
6061 return (gpointer
)no_imt_trampoline
;
6064 for (i
= 0; i
< count
; ++i
) {
6065 MonoIMTCheckItem
*item
= imt_entries
[i
];
6067 if (item
->is_equals
)
6071 /* Save the entries into an array */
6072 buf
= (void **)mono_domain_alloc (domain
, (real_count
+ 1) * 2 * sizeof (gpointer
));
6074 for (i
= 0; i
< count
; ++i
) {
6075 MonoIMTCheckItem
*item
= imt_entries
[i
];
6077 if (!item
->is_equals
)
6080 g_assert (item
->key
);
6082 buf
[(index
* 2)] = item
->key
;
6083 if (item
->has_target_code
) {
6084 gpointer
*p
= (gpointer
*)mono_domain_alloc (domain
, sizeof (gpointer
));
6085 *p
= item
->value
.target_code
;
6086 buf
[(index
* 2) + 1] = p
;
6088 buf
[(index
* 2) + 1] = &(vtable
->vtable
[item
->value
.vtable_slot
]);
6092 buf
[(index
* 2)] = NULL
;
6093 buf
[(index
* 2) + 1] = fail_tramp
;
6095 if (USE_PAGE_TRAMPOLINES
) {
6096 code
= get_new_imt_trampoline_from_page (buf
);
6098 code
= get_numerous_trampoline (MONO_AOT_TRAMP_IMT
, 1, &amodule
, &got_offset
, NULL
);
6100 amodule
->got
[got_offset
] = buf
;
6107 mono_aot_get_gsharedvt_arg_trampoline (gpointer arg
, gpointer addr
)
6109 MonoAotModule
*amodule
;
6113 if (USE_PAGE_TRAMPOLINES
) {
6114 code
= (guint8
*)get_new_gsharedvt_arg_trampoline_from_page (addr
, arg
);
6116 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_GSHAREDVT_ARG
, 2, &amodule
, &got_offset
, NULL
);
6118 amodule
->got
[got_offset
] = arg
;
6119 amodule
->got
[got_offset
+ 1] = addr
;
6122 /* The caller expects an ftnptr */
6123 return mono_create_ftnptr (mono_domain_get (), code
);
6126 #ifdef MONO_ARCH_HAVE_FTNPTR_ARG_TRAMPOLINE
6128 mono_aot_get_ftnptr_arg_trampoline (gpointer arg
, gpointer addr
)
6130 MonoAotModule
*amodule
;
6134 if (USE_PAGE_TRAMPOLINES
) {
6135 g_error ("FIXME: ftnptr_arg page trampolines");
6137 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_FTNPTR_ARG
, 2, &amodule
, &got_offset
, NULL
);
6139 amodule
->got
[got_offset
] = arg
;
6140 amodule
->got
[got_offset
+ 1] = addr
;
6143 /* The caller expects an ftnptr */
6144 return mono_create_ftnptr (mono_domain_get (), code
);
6150 * mono_aot_set_make_unreadable:
6152 * Set whenever to make all mmaped memory unreadable. In conjuction with a
6153 * SIGSEGV handler, this is useful to find out which pages the runtime tries to read.
6156 mono_aot_set_make_unreadable (gboolean unreadable
)
6160 make_unreadable
= unreadable
;
6162 if (make_unreadable
&& !inited
) {
6163 mono_counters_register ("AOT: pagefaults", MONO_COUNTER_JIT
| MONO_COUNTER_INT
, &n_pagefaults
);
6168 MonoAotModule
*module
;
6173 find_map (gpointer key
, gpointer value
, gpointer user_data
)
6175 MonoAotModule
*module
= (MonoAotModule
*)value
;
6176 FindMapUserData
*data
= (FindMapUserData
*)user_data
;
6179 if ((data
->ptr
>= module
->mem_begin
) && (data
->ptr
< module
->mem_end
))
6180 data
->module
= module
;
6183 static MonoAotModule
*
6184 find_module_for_addr (void *ptr
)
6186 FindMapUserData data
;
6188 if (!make_unreadable
)
6192 data
.ptr
= (guint8
*)ptr
;
6195 g_hash_table_foreach (aot_modules
, (GHFunc
)find_map
, &data
);
6202 * mono_aot_is_pagefault:
6204 * Should be called from a SIGSEGV signal handler to find out whenever @ptr is
6205 * within memory allocated by this module.
6208 mono_aot_is_pagefault (void *ptr
)
6210 if (!make_unreadable
)
6214 * Not signal safe, but SIGSEGV's are synchronous, and
6215 * this is only turned on by a MONO_DEBUG option.
6217 return find_module_for_addr (ptr
) != NULL
;
6221 * mono_aot_handle_pagefault:
6223 * Handle a pagefault caused by an unreadable page by making it readable again.
6226 mono_aot_handle_pagefault (void *ptr
)
6229 guint8
* start
= (guint8
*)ROUND_DOWN (((gssize
)ptr
), mono_pagesize ());
6233 res
= mono_mprotect (start
, mono_pagesize (), MONO_MMAP_READ
|MONO_MMAP_WRITE
|MONO_MMAP_EXEC
);
6234 g_assert (res
== 0);
6242 mono_aot_get_method_flags (guint8
*code
)
6246 if (!code_to_method_flags
)
6247 return MONO_AOT_METHOD_FLAG_NONE
;
6249 /* Not found and no FLAG_NONE are the same, but its not a problem */
6250 flags
= GPOINTER_TO_UINT (g_hash_table_lookup (code_to_method_flags
, code
));
6252 return (MonoAotMethodFlags
)flags
;
6259 mono_aot_init (void)
6264 mono_aot_cleanup (void)
6269 mono_aot_find_method_index (MonoMethod
*method
)
6271 g_assert_not_reached ();
6276 mono_aot_init_llvm_method (gpointer aot_module
, guint32 method_index
)
6281 mono_aot_init_gshared_method_this (gpointer aot_module
, guint32 method_index
, MonoObject
*this)
6286 mono_aot_init_gshared_method_mrgctx (gpointer aot_module
, guint32 method_index
, MonoMethodRuntimeGenericContext
*rgctx
)
6291 mono_aot_init_gshared_method_vtable (gpointer aot_module
, guint32 method_index
, MonoVTable
*vtable
)
6296 mono_aot_get_method (MonoDomain
*domain
,
6297 MonoMethod
*method
, MonoError
*error
)
6304 mono_aot_is_got_entry (guint8
*code
, guint8
*addr
)
6310 mono_aot_get_cached_class_info (MonoClass
*klass
, MonoCachedClassInfo
*res
)
6316 mono_aot_get_class_from_name (MonoImage
*image
, const char *name_space
, const char *name
, MonoClass
**klass
)
6322 mono_aot_find_jit_info (MonoDomain
*domain
, MonoImage
*image
, gpointer addr
)
6328 mono_aot_get_method_from_token (MonoDomain
*domain
, MonoImage
*image
, guint32 token
, MonoError
*error
)
6335 mono_aot_get_plt_entry (guint8
*code
)
6341 mono_aot_plt_resolve (gpointer aot_module
, guint32 plt_info_offset
, guint8
*code
, MonoError
*error
)
6347 mono_aot_patch_plt_entry (guint8
*code
, guint8
*plt_entry
, gpointer
*got
, host_mgreg_t
*regs
, guint8
*addr
)
6352 mono_aot_get_method_from_vt_slot (MonoDomain
*domain
, MonoVTable
*vtable
, int slot
, MonoError
*error
)
6360 mono_aot_get_plt_info_offset (host_mgreg_t
*regs
, guint8
*code
)
6362 g_assert_not_reached ();
6368 mono_aot_create_specific_trampoline (MonoImage
*image
, gpointer arg1
, MonoTrampolineType tramp_type
, MonoDomain
*domain
, guint32
*code_len
)
6370 g_assert_not_reached ();
6375 mono_aot_get_static_rgctx_trampoline (gpointer ctx
, gpointer addr
)
6377 g_assert_not_reached ();
6382 mono_aot_get_trampoline_full (const char *name
, MonoTrampInfo
**out_tinfo
)
6384 g_assert_not_reached ();
6389 mono_aot_get_trampoline (const char *name
)
6391 g_assert_not_reached ();
6396 mono_aot_get_unbox_arbitrary_trampoline (gpointer addr
)
6398 g_assert_not_reached ();
6403 mono_aot_get_unbox_trampoline (MonoMethod
*method
, gpointer addr
)
6405 g_assert_not_reached ();
6410 mono_aot_get_lazy_fetch_trampoline (guint32 slot
)
6412 g_assert_not_reached ();
6417 mono_aot_get_imt_trampoline (MonoVTable
*vtable
, MonoDomain
*domain
, MonoIMTCheckItem
**imt_entries
, int count
, gpointer fail_tramp
)
6419 g_assert_not_reached ();
6424 mono_aot_get_gsharedvt_arg_trampoline (gpointer arg
, gpointer addr
)
6426 g_assert_not_reached ();
6430 #ifdef MONO_ARCH_HAVE_FTNPTR_ARG_TRAMPOLINE
6432 mono_aot_get_ftnptr_arg_trampoline (gpointer arg
, gpointer addr
)
6434 g_assert_not_reached ();
6440 mono_aot_set_make_unreadable (gboolean unreadable
)
6445 mono_aot_is_pagefault (void *ptr
)
6451 mono_aot_handle_pagefault (void *ptr
)
6456 mono_aot_get_unwind_info (MonoJitInfo
*ji
, guint32
*unwind_info_len
)
6458 g_assert_not_reached ();
6463 mono_aot_register_jit_icall (const char *name
, gpointer addr
)
6468 mono_aot_get_weak_field_indexes (MonoImage
*image
)
6474 mono_aot_get_method_flags (guint8
*code
)
6476 return MONO_AOT_METHOD_FLAG_NONE
;