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 MonoJitICallInfo
*info
= mono_find_jit_icall_by_name ((char *) p
);
1095 ref
->method
= mini_get_interp_lmf_wrapper (info
->name
, (gpointer
) info
->func
);
1096 } else if (subtype
== WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG
) {
1097 MonoMethodSignature
*sig
= decode_signature (module
, p
, &p
);
1100 ref
->method
= mini_get_gsharedvt_in_sig_wrapper (sig
);
1102 } else if (subtype
== WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG
) {
1103 MonoMethodSignature
*sig
= decode_signature (module
, p
, &p
);
1106 ref
->method
= mini_get_gsharedvt_out_sig_wrapper (sig
);
1108 } else if (subtype
== WRAPPER_SUBTYPE_AOT_INIT
) {
1109 guint32 init_type
= decode_value (p
, &p
);
1110 ref
->method
= mono_marshal_get_aot_init_wrapper ((MonoAotInitSubtype
) init_type
);
1112 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Invalid UNKNOWN wrapper subtype %d", subtype
);
1117 case MONO_WRAPPER_MANAGED_TO_MANAGED
: {
1118 int subtype
= decode_value (p
, &p
);
1120 if (subtype
== WRAPPER_SUBTYPE_ELEMENT_ADDR
) {
1121 int rank
= decode_value (p
, &p
);
1122 int elem_size
= decode_value (p
, &p
);
1124 ref
->method
= mono_marshal_get_array_address (rank
, elem_size
);
1125 } else if (subtype
== WRAPPER_SUBTYPE_STRING_CTOR
) {
1128 m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1134 g_assert (target
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_MANAGED
);
1136 info
= mono_marshal_get_wrapper_info (target
);
1137 if (info
&& info
->subtype
== subtype
&& info
->d
.string_ctor
.method
== m
)
1138 ref
->method
= target
;
1144 case MONO_WRAPPER_MANAGED_TO_NATIVE
: {
1146 int subtype
= decode_value (p
, &p
);
1149 if (subtype
== WRAPPER_SUBTYPE_ICALL_WRAPPER
) {
1152 MonoJitICallInfo
*info
= mono_find_jit_icall_by_name (name
);
1154 ref
->method
= mono_icall_get_wrapper_method (info
);
1156 m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1160 /* This should only happen when looking for an extra method */
1163 if (mono_marshal_method_from_wrapper (target
) == m
)
1164 ref
->method
= target
;
1170 case MONO_WRAPPER_CASTCLASS
: {
1171 int subtype
= decode_value (p
, &p
);
1173 if (subtype
== WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE
)
1174 ref
->method
= mono_marshal_get_castclass_with_cache ();
1175 else if (subtype
== WRAPPER_SUBTYPE_ISINST_WITH_CACHE
)
1176 ref
->method
= mono_marshal_get_isinst_with_cache ();
1178 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Invalid CASTCLASS wrapper subtype %d", subtype
);
1183 case MONO_WRAPPER_RUNTIME_INVOKE
: {
1184 int subtype
= decode_value (p
, &p
);
1189 if (subtype
== WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC
) {
1190 if (strcmp (target
->name
, "runtime_invoke_dynamic") != 0)
1192 ref
->method
= target
;
1193 } else if (subtype
== WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT
) {
1194 /* Direct wrapper */
1195 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1198 ref
->method
= mono_marshal_get_runtime_invoke (m
, FALSE
);
1199 } else if (subtype
== WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL
) {
1200 /* Virtual direct wrapper */
1201 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1204 ref
->method
= mono_marshal_get_runtime_invoke (m
, TRUE
);
1206 MonoMethodSignature
*sig
;
1208 sig
= decode_signature_with_target (module
, NULL
, p
, &p
);
1209 info
= mono_marshal_get_wrapper_info (target
);
1212 if (info
->subtype
!= subtype
) {
1216 g_assert (info
->d
.runtime_invoke
.sig
);
1217 const gboolean same_sig
= mono_metadata_signature_equal (sig
, info
->d
.runtime_invoke
.sig
);
1220 ref
->method
= target
;
1226 case MONO_WRAPPER_DELEGATE_INVOKE
:
1227 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE
:
1228 case MONO_WRAPPER_DELEGATE_END_INVOKE
: {
1229 gboolean is_inflated
= decode_value (p
, &p
);
1230 WrapperSubtype subtype
;
1234 MonoMethod
*invoke
, *wrapper
;
1236 klass
= decode_klass_ref (module
, p
, &p
, error
);
1240 switch (wrapper_type
) {
1241 case MONO_WRAPPER_DELEGATE_INVOKE
:
1242 invoke
= mono_get_delegate_invoke_internal (klass
);
1243 wrapper
= mono_marshal_get_delegate_invoke (invoke
, NULL
);
1245 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE
:
1246 invoke
= mono_get_delegate_begin_invoke_internal (klass
);
1247 wrapper
= mono_marshal_get_delegate_begin_invoke (invoke
);
1249 case MONO_WRAPPER_DELEGATE_END_INVOKE
:
1250 invoke
= mono_get_delegate_end_invoke_internal (klass
);
1251 wrapper
= mono_marshal_get_delegate_end_invoke (invoke
);
1254 g_assert_not_reached ();
1259 * Due to the way mini_get_shared_method_full () works, we could end up with
1260 * multiple copies of the same wrapper.
1262 if (wrapper
->klass
!= target
->klass
)
1264 ref
->method
= target
;
1266 ref
->method
= wrapper
;
1270 * These wrappers are associated with a signature, not with a method.
1271 * Since we can't decode them into methods, they need a target method.
1276 if (wrapper_type
== MONO_WRAPPER_DELEGATE_INVOKE
) {
1277 subtype
= (WrapperSubtype
)decode_value (p
, &p
);
1278 info
= mono_marshal_get_wrapper_info (target
);
1280 if (info
->subtype
!= subtype
)
1283 if (subtype
!= WRAPPER_SUBTYPE_NONE
)
1287 if (sig_matches_target (module
, target
, p
, &p
))
1288 ref
->method
= target
;
1294 case MONO_WRAPPER_NATIVE_TO_MANAGED
: {
1298 m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1301 klass
= decode_klass_ref (module
, p
, &p
, error
);
1304 ref
->method
= mono_marshal_get_managed_wrapper (m
, klass
, 0, error
);
1305 if (!mono_error_ok (error
))
1310 g_assert_not_reached ();
1312 } else if (image_index
== MONO_AOT_METHODREF_METHODSPEC
) {
1313 image_index
= decode_value (p
, &p
);
1314 ref
->token
= decode_value (p
, &p
);
1316 image
= load_image (module
, image_index
, error
);
1319 } else if (image_index
== MONO_AOT_METHODREF_BLOB_INDEX
) {
1320 guint32 offset
= decode_value (p
, &p
);
1324 p2
= module
->blob
+ offset
;
1325 if (!decode_method_ref_with_target (module
, ref
, target
, p2
, &p2
, error
))
1330 } else if (image_index
== MONO_AOT_METHODREF_GINST
) {
1332 MonoGenericContext ctx
;
1333 guint32 token_index
;
1336 * These methods do not have a token which resolves them, so we
1337 * resolve them immediately.
1339 klass
= decode_klass_ref (module
, p
, &p
, error
);
1343 if (target
&& target
->klass
!= klass
)
1346 image_index
= decode_value (p
, &p
);
1347 token_index
= decode_value (p
, &p
);
1348 ref
->token
= mono_metadata_make_token (MONO_TABLE_METHOD
, token_index
);
1350 image
= load_image (module
, image_index
, error
);
1354 ref
->method
= mono_get_method_checked (image
, ref
->token
, NULL
, NULL
, error
);
1358 memset (&ctx
, 0, sizeof (ctx
));
1360 if (FALSE
&& mono_class_is_ginst (klass
)) {
1361 ctx
.class_inst
= mono_class_get_generic_class (klass
)->context
.class_inst
;
1362 ctx
.method_inst
= NULL
;
1364 ref
->method
= mono_class_inflate_generic_method_full_checked (ref
->method
, klass
, &ctx
, error
);
1369 memset (&ctx
, 0, sizeof (ctx
));
1371 if (!decode_generic_context (module
, &ctx
, p
, &p
, error
))
1374 ref
->method
= mono_class_inflate_generic_method_full_checked (ref
->method
, klass
, &ctx
, error
);
1378 } else if (image_index
== MONO_AOT_METHODREF_ARRAY
) {
1382 klass
= decode_klass_ref (module
, p
, &p
, error
);
1385 method_type
= decode_value (p
, &p
);
1386 switch (method_type
) {
1388 ref
->method
= mono_class_get_method_from_name_checked (klass
, ".ctor", m_class_get_rank (klass
), 0, error
);
1389 return_val_if_nok (error
, FALSE
);
1392 ref
->method
= mono_class_get_method_from_name_checked (klass
, ".ctor", m_class_get_rank (klass
) * 2, 0, error
);
1393 return_val_if_nok (error
, FALSE
);
1396 ref
->method
= mono_class_get_method_from_name_checked (klass
, "Get", -1, 0, error
);
1397 return_val_if_nok (error
, FALSE
);
1400 ref
->method
= mono_class_get_method_from_name_checked (klass
, "Address", -1, 0, error
);
1401 return_val_if_nok (error
, FALSE
);
1404 ref
->method
= mono_class_get_method_from_name_checked (klass
, "Set", -1, 0, error
);
1405 return_val_if_nok (error
, FALSE
);
1408 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Invalid METHODREF_ARRAY method type %d", method_type
);
1412 if (image_index
== MONO_AOT_METHODREF_LARGE_IMAGE_INDEX
) {
1413 image_index
= decode_value (p
, &p
);
1414 value
= decode_value (p
, &p
);
1417 ref
->token
= MONO_TOKEN_METHOD_DEF
| (value
& 0xffffff);
1419 image
= load_image (module
, image_index
, error
);
1432 decode_method_ref (MonoAotModule
*module
, MethodRef
*ref
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
1434 return decode_method_ref_with_target (module
, ref
, NULL
, buf
, endbuf
, error
);
1438 * decode_resolve_method_ref_with_target:
1440 * Similar to decode_method_ref, but resolve and return the method itself.
1443 decode_resolve_method_ref_with_target (MonoAotModule
*module
, MonoMethod
*target
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
1449 if (!decode_method_ref_with_target (module
, &ref
, target
, buf
, endbuf
, error
))
1454 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "No image found for methodref with target");
1457 return mono_get_method_checked (ref
.image
, ref
.token
, NULL
, NULL
, error
);
1461 decode_resolve_method_ref (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
1463 return decode_resolve_method_ref_with_target (module
, NULL
, buf
, endbuf
, error
);
1466 #ifdef ENABLE_AOT_CACHE
1472 * - Add options for controlling the cache size
1473 * - Handle full cache by deleting old assemblies lru style
1474 * - Maybe add a threshold after an assembly is AOT compiled
1475 * - Add options for enabling this for specific main assemblies
1478 /* The cache directory */
1479 static char *cache_dir
;
1481 /* The number of assemblies AOTed in this run */
1482 static int cache_count
;
1484 /* Whenever to AOT in-process */
1485 static gboolean in_process
;
1488 collect_assemblies (gpointer data
, gpointer user_data
)
1490 MonoAssembly
*ass
= (MonoAssembly
*)data
;
1491 GSList
**l
= (GSList
**)user_data
;
1493 *l
= g_slist_prepend (*l
, ass
);
1496 #define SHA1_DIGEST_LENGTH 20
1499 * get_aot_config_hash:
1501 * Return a hash for all the version information an AOT module depends on.
1503 static G_GNUC_UNUSED
char*
1504 get_aot_config_hash (MonoAssembly
*assembly
)
1507 GSList
*l
, *assembly_list
= NULL
;
1510 guint8 digest
[SHA1_DIGEST_LENGTH
];
1513 build_info
= mono_get_runtime_build_info ();
1515 s
= g_string_new (build_info
);
1517 mono_assembly_foreach (collect_assemblies
, &assembly_list
);
1520 * The assembly list includes the current assembly as well, no need
1523 for (l
= assembly_list
; l
; l
= l
->next
) {
1524 MonoAssembly
*ass
= (MonoAssembly
*)l
->data
;
1526 g_string_append (s
, "_");
1527 g_string_append (s
, ass
->aname
.name
);
1528 g_string_append (s
, "_");
1529 g_string_append (s
, ass
->image
->guid
);
1532 for (i
= 0; i
< s
->len
; ++i
) {
1533 if (!isalnum (s
->str
[i
]) && s
->str
[i
] != '-')
1537 mono_sha1_get_digest ((guint8
*)s
->str
, s
->len
, digest
);
1539 digest_str
= g_malloc0 ((SHA1_DIGEST_LENGTH
* 2) + 1);
1540 for (i
= 0; i
< SHA1_DIGEST_LENGTH
; ++i
)
1541 sprintf (digest_str
+ (i
* 2), "%02x", digest
[i
]);
1543 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: file dependencies: %s, hash %s", s
->str
, digest_str
);
1545 g_string_free (s
, TRUE
);
1551 aot_cache_init (void)
1555 enable_aot_cache
= TRUE
;
1560 * aot_cache_load_module:
1562 * Load the AOT image corresponding to ASSEMBLY from the aot cache, AOTing it if neccessary.
1565 aot_cache_load_module (MonoAssembly
*assembly
, char **aot_name
)
1567 MonoAotCacheConfig
*config
;
1569 char *fname
, *tmp2
, *aot_options
, *failure_fname
;
1581 if (image_is_dynamic (assembly
->image
))
1584 /* Check in the list of assemblies enabled for aot caching */
1585 config
= mono_get_aot_cache_config ();
1589 MonoDomain
*domain
= mono_domain_get ();
1590 MonoAssembly
*entry_assembly
= domain
->entry_assembly
;
1592 // FIXME: This cannot be used for mscorlib during startup, since entry_assembly is not set yet
1593 for (l
= config
->apps
; l
; l
= l
->next
) {
1594 char *n
= (char*)l
->data
;
1596 if ((entry_assembly
&& !strcmp (entry_assembly
->aname
.name
, n
)) || (!entry_assembly
&& !strcmp (assembly
->aname
.name
, n
)))
1604 for (l
= config
->assemblies
; l
; l
= l
->next
) {
1605 char *n
= (char*)l
->data
;
1607 if (!strcmp (assembly
->aname
.name
, n
))
1617 home
= g_get_home_dir ();
1620 cache_dir
= g_strdup_printf ("%s/Library/Caches/mono/aot-cache", home
);
1621 if (!g_file_test (cache_dir
, (GFileTest
)(G_FILE_TEST_EXISTS
|G_FILE_TEST_IS_DIR
)))
1622 g_mkdir_with_parents (cache_dir
, 0777);
1626 * The same assembly can be used in multiple configurations, i.e. multiple
1627 * versions of the runtime, with multiple versions of dependent assemblies etc.
1628 * To handle this, we compute a version string containing all this information, hash it,
1629 * and use the hash as a filename suffix.
1631 hash
= get_aot_config_hash (assembly
);
1633 tmp2
= g_strdup_printf ("%s-%s%s", assembly
->image
->assembly_name
, hash
, MONO_SOLIB_EXT
);
1634 fname
= g_build_filename (cache_dir
, tmp2
, NULL
);
1638 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: loading from cache: '%s'.", fname
);
1639 module
= mono_dl_open (fname
, MONO_DL_LAZY
, NULL
);
1642 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: found in cache: '%s'.", fname
);
1646 if (mono_is_corlib_image (assembly
->image
) && !mscorlib_aot_loaded
)
1648 * Can't AOT this during startup, so we AOT it when called later from
1649 * mono_aot_get_method ().
1653 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: not found.");
1655 /* Only AOT one assembly per run to avoid slowing down execution too much */
1656 if (cache_count
> 0)
1660 /* Check for previous failure */
1661 failure_fname
= g_strdup_printf ("%s.failure", fname
);
1662 failure_file
= fopen (failure_fname
, "r");
1664 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: assembly '%s' previously failed to compile '%s' ('%s')... ", assembly
->image
->name
, fname
, failure_fname
);
1665 g_free (failure_fname
);
1668 g_free (failure_fname
);
1669 fclose (failure_file
);
1672 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: compiling assembly '%s', logfile: '%s.log'... ", assembly
->image
->name
, fname
);
1675 * We need to invoke the AOT compiler here. There are multiple approaches:
1676 * - spawn a new runtime process. This can be hard when running with mkbundle, and
1677 * its hard to make the new process load the same set of assemblies.
1678 * - doing it in-process. This exposes the current process to bugs/leaks/side effects of
1680 * - fork a new process and do the work there.
1683 aot_options
= g_strdup_printf ("outfile=%s,internal-logfile=%s.log%s%s", fname
, fname
, config
->aot_options
? "," : "", config
->aot_options
? config
->aot_options
: "");
1684 /* Maybe due this in another thread ? */
1685 res
= mono_compile_assembly (assembly
, mono_parse_default_optimizations (NULL
), aot_options
, NULL
);
1687 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: compilation failed.");
1688 failure_fname
= g_strdup_printf ("%s.failure", fname
);
1689 failure_file
= fopen (failure_fname
, "a+");
1690 fclose (failure_file
);
1691 g_free (failure_fname
);
1693 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: compilation succeeded.");
1697 * - Avoid waiting for the aot process to finish ?
1698 * (less overhead, but multiple processes could aot the same assembly at the same time)
1707 logfile_name
= g_strdup_printf ("%s/aot.log", cache_dir
);
1708 logfile
= fopen (logfile_name
, "a+");
1709 g_free (logfile_name
);
1711 dup2 (fileno (logfile
), 1);
1712 dup2 (fileno (logfile
), 2);
1714 aot_options
= g_strdup_printf ("outfile=%s", fname
);
1715 res
= mono_compile_assembly (assembly
, mono_parse_default_optimizations (NULL
), aot_options
, NULL
);
1723 waitpid (pid
, &exit_status
, 0);
1724 if (!WIFEXITED (exit_status
) && (WEXITSTATUS (exit_status
) == 0))
1725 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: failed.");
1727 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: succeeded.");
1731 module
= mono_dl_open (fname
, MONO_DL_LAZY
, NULL
);
1739 aot_cache_init (void)
1744 aot_cache_load_module (MonoAssembly
*assembly
, char **aot_name
)
1752 find_symbol (MonoDl
*module
, gpointer
*globals
, const char *name
, gpointer
*value
)
1756 guint16
*table
, *entry
;
1759 char *symbol
= (char*)name
;
1762 symbol
= g_strdup_printf ("_%s", name
);
1765 /* The first entry points to the hash */
1766 table
= (guint16
*)globals
[0];
1769 table_size
= table
[0];
1772 hash
= mono_metadata_str_hash (symbol
) % table_size
;
1774 entry
= &table
[hash
* 2];
1776 /* Search the hash for the index into the globals table */
1778 while (entry
[0] != 0) {
1779 guint32 index
= entry
[0] - 1;
1780 guint32 next
= entry
[1];
1782 //printf ("X: %s %s\n", (char*)globals [index * 2], name);
1784 if (!strcmp ((const char*)globals
[index
* 2], symbol
)) {
1785 global_index
= index
;
1790 entry
= &table
[next
* 2];
1796 if (global_index
!= -1)
1797 *value
= globals
[global_index
* 2 + 1];
1804 char *err
= mono_dl_symbol (module
, name
, value
);
1812 find_amodule_symbol (MonoAotModule
*amodule
, const char *name
, gpointer
*value
)
1814 g_assert (!(amodule
->info
.flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
));
1816 find_symbol (amodule
->sofile
, amodule
->globals
, name
, value
);
1820 mono_install_load_aot_data_hook (MonoLoadAotDataFunc load_func
, MonoFreeAotDataFunc free_func
, gpointer user_data
)
1822 aot_data_load_func
= load_func
;
1823 aot_data_free_func
= free_func
;
1824 aot_data_func_user_data
= user_data
;
1827 /* Load the separate aot data file for ASSEMBLY */
1829 open_aot_data (MonoAssembly
*assembly
, MonoAotFileInfo
*info
, void **ret_handle
)
1835 if (aot_data_load_func
) {
1836 data
= aot_data_load_func (assembly
, info
->datafile_size
, aot_data_func_user_data
, ret_handle
);
1842 * Use <assembly name>.aotdata as the default implementation if no callback is given
1844 filename
= g_strdup_printf ("%s.aotdata", assembly
->image
->name
);
1845 map
= mono_file_map_open (filename
);
1847 data
= (guint8
*)mono_file_map (info
->datafile_size
, MONO_MMAP_READ
, mono_file_map_fd (map
), 0, ret_handle
);
1854 check_usable (MonoAssembly
*assembly
, MonoAotFileInfo
*info
, guint8
*blob
, char **out_msg
)
1858 gboolean usable
= TRUE
;
1859 gboolean full_aot
, interp
, safepoints
;
1860 guint32 excluded_cpu_optimizations
;
1862 if (strcmp (assembly
->image
->guid
, (const char*)info
->assembly_guid
)) {
1863 msg
= g_strdup_printf ("doesn't match assembly");
1867 build_info
= mono_get_runtime_build_info ();
1868 if (strlen ((const char *)info
->runtime_version
) > 0 && strcmp (info
->runtime_version
, build_info
)) {
1869 msg
= g_strdup_printf ("compiled against runtime version '%s' while this runtime has version '%s'", info
->runtime_version
, build_info
);
1872 g_free (build_info
);
1874 full_aot
= info
->flags
& MONO_AOT_FILE_FLAG_FULL_AOT
;
1875 interp
= info
->flags
& MONO_AOT_FILE_FLAG_INTERP
;
1877 if (mono_aot_only
&& !full_aot
) {
1879 msg
= g_strdup_printf ("not compiled with --aot=full");
1883 if (!mono_aot_only
&& full_aot
) {
1884 msg
= g_strdup_printf ("compiled with --aot=full");
1887 if (mono_use_interpreter
&& !interp
&& !strcmp (assembly
->aname
.name
, "mscorlib")) {
1888 /* mscorlib contains necessary interpreter trampolines */
1889 msg
= g_strdup_printf ("not compiled with --aot=interp");
1892 if (mono_llvm_only
&& !(info
->flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) {
1893 msg
= g_strdup_printf ("not compiled with --aot=llvmonly");
1896 if (mono_use_llvm
&& !(info
->flags
& MONO_AOT_FILE_FLAG_WITH_LLVM
)) {
1897 /* Prefer LLVM JITted code when using --llvm */
1898 msg
= g_strdup_printf ("not compiled with --aot=llvm");
1901 if (mini_get_debug_options ()->mdb_optimizations
&& !(info
->flags
& MONO_AOT_FILE_FLAG_DEBUG
) && !full_aot
&& !interp
) {
1902 msg
= g_strdup_printf ("not compiled for debugging");
1906 mono_arch_cpu_optimizations (&excluded_cpu_optimizations
);
1907 if (info
->opts
& excluded_cpu_optimizations
) {
1908 msg
= g_strdup_printf ("compiled with unsupported CPU optimizations");
1912 if (!mono_aot_only
&& (info
->simd_opts
& ~mono_arch_cpu_enumerate_simd_versions ())) {
1913 msg
= g_strdup_printf ("compiled with unsupported SIMD extensions");
1917 if (info
->gc_name_index
!= -1) {
1918 char *gc_name
= (char*)&blob
[info
->gc_name_index
];
1919 const char *current_gc_name
= mono_gc_get_gc_name ();
1921 if (strcmp (current_gc_name
, gc_name
) != 0) {
1922 msg
= g_strdup_printf ("compiled against GC %s, while the current runtime uses GC %s.\n", gc_name
, current_gc_name
);
1927 safepoints
= info
->flags
& MONO_AOT_FILE_FLAG_SAFEPOINTS
;
1929 if (!safepoints
&& mono_threads_are_safepoints_enabled ()) {
1930 msg
= g_strdup_printf ("not compiled with safepoints");
1939 * TABLE should point to a table of call instructions. Return the address called by the INDEXth entry.
1942 get_call_table_entry (void *table
, int index
)
1944 #if defined(TARGET_ARM)
1949 ins_addr
= (guint32
*)table
+ (index
* 2);
1950 if ((guint32
) *ins_addr
== (guint32
) 0xe51ff004) { // ldr pc, =<label>
1951 return *((char **) (ins_addr
+ 1));
1954 ins_addr
= (guint32
*)table
+ index
;
1956 if ((ins
>> ARMCOND_SHIFT
) == ARMCOND_NV
) {
1958 offset
= (((int)(((ins
& 0xffffff) << 1) | ((ins
>> 24) & 0x1))) << 7) >> 7;
1959 return (char*)ins_addr
+ (offset
* 2) + 8 + 1;
1961 g_assert ((ins
>> ARMCOND_SHIFT
) == ARMCOND_AL
);
1963 offset
= (((int)ins
& 0xffffff) << 8) >> 8;
1964 return (char*)ins_addr
+ (offset
* 4) + 8;
1966 #elif defined(TARGET_ARM64)
1967 return mono_arch_get_call_target ((guint8
*)table
+ (index
* 4) + 4);
1968 #elif defined(TARGET_X86) || defined(TARGET_AMD64)
1969 /* The callee expects an ip which points after the call */
1970 return mono_arch_get_call_target ((guint8
*)table
+ (index
* 5) + 5);
1972 g_assert_not_reached ();
1980 * Initialize the shared got entries for AMODULE.
1983 init_amodule_got (MonoAotModule
*amodule
)
1987 MonoJumpInfo
*patches
;
1988 guint32 got_offsets
[128];
1992 /* These can't be initialized in load_aot_module () */
1993 if (amodule
->got_initialized
== GOT_INITIALIZED
)
1996 mono_loader_lock ();
1999 * If it is initialized some other thread did it in the meantime. If it is
2000 * initializing it means the current thread is initializing it since we are
2001 * holding the loader lock, skip it.
2003 if (amodule
->got_initialized
) {
2004 mono_loader_unlock ();
2008 amodule
->got_initialized
= GOT_INITIALIZING
;
2010 mp
= mono_mempool_new ();
2011 npatches
= amodule
->info
.nshared_got_entries
;
2012 for (i
= 0; i
< npatches
; ++i
)
2013 got_offsets
[i
] = i
;
2015 patches
= decode_patches (amodule
, mp
, npatches
, FALSE
, got_offsets
);
2017 patches
= decode_patches (amodule
, mp
, npatches
, TRUE
, got_offsets
);
2019 for (i
= 0; i
< npatches
; ++i
) {
2022 if (ji
->type
== MONO_PATCH_INFO_GC_CARD_TABLE_ADDR
&& !mono_gc_is_moving ()) {
2023 amodule
->shared_got
[i
] = NULL
;
2024 } else if (ji
->type
== MONO_PATCH_INFO_GC_NURSERY_START
&& !mono_gc_is_moving ()) {
2025 amodule
->shared_got
[i
] = NULL
;
2026 } else if (ji
->type
== MONO_PATCH_INFO_GC_NURSERY_BITS
&& !mono_gc_is_moving ()) {
2027 amodule
->shared_got
[i
] = NULL
;
2028 } else if (ji
->type
== MONO_PATCH_INFO_IMAGE
) {
2029 amodule
->shared_got
[i
] = amodule
->assembly
->image
;
2030 } else if (ji
->type
== MONO_PATCH_INFO_MSCORLIB_GOT_ADDR
) {
2031 if (mono_defaults
.corlib
) {
2032 MonoAotModule
*mscorlib_amodule
= mono_defaults
.corlib
->aot_module
;
2034 if (mscorlib_amodule
)
2035 amodule
->shared_got
[i
] = mscorlib_amodule
->got
;
2037 amodule
->shared_got
[i
] = amodule
->got
;
2039 } else if (ji
->type
== MONO_PATCH_INFO_AOT_MODULE
) {
2040 amodule
->shared_got
[i
] = amodule
;
2042 amodule
->shared_got
[i
] = mono_resolve_patch_target (NULL
, mono_get_root_domain (), NULL
, ji
, FALSE
, error
);
2043 mono_error_assert_ok (error
);
2048 for (i
= 0; i
< npatches
; ++i
)
2049 amodule
->got
[i
] = amodule
->shared_got
[i
];
2051 if (amodule
->llvm_got
) {
2052 for (i
= 0; i
< npatches
; ++i
)
2053 amodule
->llvm_got
[i
] = amodule
->shared_got
[i
];
2056 mono_mempool_destroy (mp
);
2058 mono_memory_barrier ();
2059 amodule
->got_initialized
= GOT_INITIALIZED
;
2060 mono_loader_unlock ();
2064 load_aot_module (MonoAssembly
*assembly
, gpointer user_data
)
2066 char *aot_name
, *found_aot_name
;
2067 MonoAotModule
*amodule
;
2069 gboolean usable
= TRUE
;
2070 char *version_symbol
= NULL
;
2072 gpointer
*globals
= NULL
;
2073 MonoAotFileInfo
*info
= NULL
;
2075 gboolean do_load_image
= TRUE
;
2076 int align_double
, align_int64
;
2077 guint8
*aot_data
= NULL
;
2079 if (mono_compile_aot
)
2082 if (mono_aot_mode
== MONO_AOT_MODE_NONE
)
2085 if (assembly
->image
->aot_module
)
2087 * Already loaded. This can happen because the assembly loading code might invoke
2088 * the assembly load hooks multiple times for the same assembly.
2092 if (image_is_dynamic (assembly
->image
) || mono_asmctx_get_kind (&assembly
->context
) == MONO_ASMCTX_REFONLY
|| mono_domain_get () != mono_get_root_domain ())
2097 if (container_assm_name
&& !container_amodule
) {
2098 char *local_ref
= container_assm_name
;
2099 container_assm_name
= NULL
;
2100 MonoImageOpenStatus status
= MONO_IMAGE_OK
;
2101 MonoAssemblyOpenRequest req
;
2102 gchar
*dll
= g_strdup_printf ( "%s.dll", local_ref
);
2103 mono_assembly_request_prepare (&req
.request
, sizeof (req
), MONO_ASMCTX_DEFAULT
);
2104 MonoAssembly
*assm
= mono_assembly_request_open (dll
, &req
, &status
);
2106 gchar
*exe
= g_strdup_printf ("%s.exe", local_ref
);
2107 assm
= mono_assembly_request_open (exe
, &req
, &status
);
2110 load_aot_module (assm
, NULL
);
2111 container_amodule
= assm
->image
->aot_module
;
2114 if (static_aot_modules
)
2115 info
= (MonoAotFileInfo
*)g_hash_table_lookup (static_aot_modules
, assembly
->aname
.name
);
2121 found_aot_name
= NULL
;
2124 /* Statically linked AOT module */
2125 aot_name
= g_strdup_printf ("%s", assembly
->aname
.name
);
2126 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "Found statically linked AOT module '%s'.", aot_name
);
2127 if (!(info
->flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) {
2128 globals
= (void **)info
->globals
;
2131 found_aot_name
= g_strdup (aot_name
);
2135 if (enable_aot_cache
)
2136 sofile
= aot_cache_load_module (assembly
, &aot_name
);
2138 aot_name
= g_strdup_printf ("%s%s", assembly
->image
->name
, MONO_SOLIB_EXT
);
2140 sofile
= mono_dl_open (aot_name
, MONO_DL_LAZY
, &err
);
2142 found_aot_name
= g_strdup (aot_name
);
2144 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' not found: %s", aot_name
, err
);
2149 #ifndef PLATFORM_ANDROID
2151 char *basename
= g_path_get_basename (assembly
->image
->name
);
2152 aot_name
= g_strdup_printf ("%s/mono/aot-cache/%s/%s%s", mono_assembly_getrootdir(), MONO_ARCHITECTURE
, basename
, MONO_SOLIB_EXT
);
2154 sofile
= mono_dl_open (aot_name
, MONO_DL_LAZY
, &err
);
2156 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' not found: %s", aot_name
, err
);
2165 for (l
= mono_aot_paths
; l
; l
= l
->next
) {
2166 char *path
= (char*)l
->data
;
2168 char *basename
= g_path_get_basename (assembly
->image
->name
);
2169 aot_name
= g_strdup_printf ("%s/%s%s", path
, basename
, MONO_SOLIB_EXT
);
2170 sofile
= mono_dl_open (aot_name
, MONO_DL_LAZY
, &err
);
2172 found_aot_name
= g_strdup (aot_name
);
2174 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' not found: %s", aot_name
, err
);
2184 if (mono_aot_only
&& !mono_use_interpreter
&& assembly
->image
->tables
[MONO_TABLE_METHOD
].rows
) {
2185 aot_name
= g_strdup_printf ("%s%s", assembly
->image
->name
, MONO_SOLIB_EXT
);
2186 g_error ("Failed to load AOT module '%s' in aot-only mode.\n", aot_name
);
2194 find_symbol (sofile
, globals
, "mono_aot_version", (gpointer
*) &version_symbol
);
2195 find_symbol (sofile
, globals
, "mono_aot_file_info", (gpointer
*)&info
);
2198 // Copy aotid to MonoImage
2199 memcpy(&assembly
->image
->aotid
, info
->aotid
, 16);
2201 if (version_symbol
) {
2202 /* Old file format */
2203 version
= atoi (version_symbol
);
2206 version
= info
->version
;
2209 if (version
!= MONO_AOT_FILE_VERSION
) {
2210 msg
= g_strdup_printf ("wrong file format version (expected %d got %d)", MONO_AOT_FILE_VERSION
, version
);
2216 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
) {
2217 aot_data
= open_aot_data (assembly
, info
, &handle
);
2219 blob
= aot_data
+ info
->table_offsets
[MONO_AOT_TABLE_BLOB
];
2221 blob
= (guint8
*)info
->blob
;
2224 usable
= check_usable (assembly
, info
, blob
, &msg
);
2228 if (mono_aot_only
) {
2229 g_error ("Failed to load AOT module '%s' while running in aot-only mode: %s.\n", found_aot_name
, msg
);
2231 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: module %s is unusable: %s.", found_aot_name
, msg
);
2234 g_free (found_aot_name
);
2236 mono_dl_close (sofile
);
2237 assembly
->image
->aot_module
= NULL
;
2242 align_double
= MONO_ABI_ALIGNOF (double);
2243 align_int64
= MONO_ABI_ALIGNOF (gint64
);
2244 int card_table_shift_bits
= 0;
2245 gpointer card_table_mask
= NULL
;
2246 mono_gc_get_card_table (&card_table_shift_bits
, &card_table_mask
);
2248 g_assert (info
->double_align
== align_double
);
2249 g_assert (info
->long_align
== align_int64
);
2250 g_assert (info
->generic_tramp_num
== MONO_TRAMPOLINE_NUM
);
2251 g_assert (info
->card_table_shift_bits
== card_table_shift_bits
);
2252 g_assert (info
->card_table_mask
== GPOINTER_TO_UINT (card_table_mask
));
2254 amodule
= g_new0 (MonoAotModule
, 1);
2255 amodule
->aot_name
= found_aot_name
;
2256 amodule
->assembly
= assembly
;
2258 memcpy (&amodule
->info
, info
, sizeof (*info
));
2260 amodule
->got
= (void **)amodule
->info
.jit_got
;
2261 amodule
->llvm_got
= (void **)amodule
->info
.llvm_got
;
2262 amodule
->globals
= globals
;
2263 amodule
->sofile
= sofile
;
2264 amodule
->method_to_code
= g_hash_table_new (mono_aligned_addr_hash
, NULL
);
2265 amodule
->extra_methods
= g_hash_table_new (NULL
, NULL
);
2266 amodule
->shared_got
= g_new0 (gpointer
, info
->nshared_got_entries
);
2268 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
) {
2269 for (i
= 0; i
< MONO_AOT_TABLE_NUM
; ++i
)
2270 amodule
->tables
[i
] = aot_data
+ info
->table_offsets
[i
];
2273 mono_os_mutex_init_recursive (&amodule
->mutex
);
2275 /* Read image table */
2277 guint32 table_len
, i
;
2280 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
)
2281 table
= (char *)amodule
->tables
[MONO_AOT_TABLE_IMAGE_TABLE
];
2283 table
= (char *)info
->image_table
;
2286 table_len
= *(guint32
*)table
;
2287 table
+= sizeof (guint32
);
2288 amodule
->image_table
= g_new0 (MonoImage
*, table_len
);
2289 amodule
->image_names
= g_new0 (MonoAssemblyName
, table_len
);
2290 amodule
->image_guids
= g_new0 (char*, table_len
);
2291 amodule
->image_table_len
= table_len
;
2292 for (i
= 0; i
< table_len
; ++i
) {
2293 MonoAssemblyName
*aname
= &(amodule
->image_names
[i
]);
2295 aname
->name
= g_strdup (table
);
2296 table
+= strlen (table
) + 1;
2297 amodule
->image_guids
[i
] = g_strdup (table
);
2298 table
+= strlen (table
) + 1;
2300 aname
->culture
= g_strdup (table
);
2301 table
+= strlen (table
) + 1;
2302 memcpy (aname
->public_key_token
, table
, strlen (table
) + 1);
2303 table
+= strlen (table
) + 1;
2305 table
= (char *)ALIGN_PTR_TO (table
, 8);
2306 aname
->flags
= *(guint32
*)table
;
2308 aname
->major
= *(guint32
*)table
;
2310 aname
->minor
= *(guint32
*)table
;
2312 aname
->build
= *(guint32
*)table
;
2314 aname
->revision
= *(guint32
*)table
;
2319 amodule
->jit_code_start
= (guint8
*)info
->jit_code_start
;
2320 amodule
->jit_code_end
= (guint8
*)info
->jit_code_end
;
2321 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
) {
2322 amodule
->blob
= (guint8
*)amodule
->tables
[MONO_AOT_TABLE_BLOB
];
2323 amodule
->method_info_offsets
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_METHOD_INFO_OFFSETS
];
2324 amodule
->ex_info_offsets
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_EX_INFO_OFFSETS
];
2325 amodule
->class_info_offsets
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_CLASS_INFO_OFFSETS
];
2326 amodule
->class_name_table
= (guint16
*)amodule
->tables
[MONO_AOT_TABLE_CLASS_NAME
];
2327 amodule
->extra_method_table
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_EXTRA_METHOD_TABLE
];
2328 amodule
->extra_method_info_offsets
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_EXTRA_METHOD_INFO_OFFSETS
];
2329 amodule
->got_info_offsets
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_GOT_INFO_OFFSETS
];
2330 amodule
->llvm_got_info_offsets
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_LLVM_GOT_INFO_OFFSETS
];
2331 amodule
->weak_field_indexes
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_WEAK_FIELD_INDEXES
];
2333 amodule
->blob
= (guint8
*)info
->blob
;
2334 amodule
->method_info_offsets
= (guint32
*)info
->method_info_offsets
;
2335 amodule
->ex_info_offsets
= (guint32
*)info
->ex_info_offsets
;
2336 amodule
->class_info_offsets
= (guint32
*)info
->class_info_offsets
;
2337 amodule
->class_name_table
= (guint16
*)info
->class_name_table
;
2338 amodule
->extra_method_table
= (guint32
*)info
->extra_method_table
;
2339 amodule
->extra_method_info_offsets
= (guint32
*)info
->extra_method_info_offsets
;
2340 amodule
->got_info_offsets
= (guint32
*)info
->got_info_offsets
;
2341 amodule
->llvm_got_info_offsets
= (guint32
*)info
->llvm_got_info_offsets
;
2342 amodule
->weak_field_indexes
= (guint32
*)info
->weak_field_indexes
;
2344 amodule
->unbox_trampolines
= (guint32
*)info
->unbox_trampolines
;
2345 amodule
->unbox_trampolines_end
= (guint32
*)info
->unbox_trampolines_end
;
2346 amodule
->unbox_trampoline_addresses
= (guint32
*)info
->unbox_trampoline_addresses
;
2347 amodule
->unwind_info
= (guint8
*)info
->unwind_info
;
2348 amodule
->mem_begin
= (guint8
*)amodule
->jit_code_start
;
2349 amodule
->mem_end
= (guint8
*)info
->mem_end
;
2350 amodule
->plt
= (guint8
*)info
->plt
;
2351 amodule
->plt_end
= (guint8
*)info
->plt_end
;
2352 amodule
->mono_eh_frame
= (guint8
*)info
->mono_eh_frame
;
2353 amodule
->trampolines
[MONO_AOT_TRAMP_SPECIFIC
] = (guint8
*)info
->specific_trampolines
;
2354 amodule
->trampolines
[MONO_AOT_TRAMP_STATIC_RGCTX
] = (guint8
*)info
->static_rgctx_trampolines
;
2355 amodule
->trampolines
[MONO_AOT_TRAMP_IMT
] = (guint8
*)info
->imt_trampolines
;
2356 amodule
->trampolines
[MONO_AOT_TRAMP_GSHAREDVT_ARG
] = (guint8
*)info
->gsharedvt_arg_trampolines
;
2357 amodule
->trampolines
[MONO_AOT_TRAMP_FTNPTR_ARG
] = (guint8
*)info
->ftnptr_arg_trampolines
;
2358 amodule
->trampolines
[MONO_AOT_TRAMP_UNBOX_ARBITRARY
] = (guint8
*)info
->unbox_arbitrary_trampolines
;
2360 if (mono_is_corlib_image (assembly
->image
))
2361 mscorlib_aot_module
= amodule
;
2363 /* Compute method addresses */
2364 amodule
->methods
= (void **)g_malloc0 (amodule
->info
.nmethods
* sizeof (gpointer
));
2365 for (i
= 0; i
< amodule
->info
.nmethods
; ++i
) {
2368 if (amodule
->info
.llvm_get_method
) {
2369 gpointer (*get_method
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_method
;
2371 addr
= get_method (i
);
2374 /* method_addresses () contains a table of branches, since the ios linker can update those correctly */
2375 if (!addr
&& amodule
->info
.method_addresses
) {
2376 addr
= get_call_table_entry (amodule
->info
.method_addresses
, i
);
2378 if (addr
== amodule
->info
.method_addresses
)
2382 amodule
->methods
[i
] = GINT_TO_POINTER (-1);
2384 amodule
->methods
[i
] = addr
;
2387 if (make_unreadable
) {
2388 #ifndef TARGET_WIN32
2390 guint8
*page_start
, *page_end
;
2393 addr
= amodule
->mem_begin
;
2395 len
= amodule
->mem_end
- amodule
->mem_begin
;
2397 /* Round down in both directions to avoid modifying data which is not ours */
2398 page_start
= (guint8
*) (((gssize
) (addr
)) & ~ (mono_pagesize () - 1)) + mono_pagesize ();
2399 page_end
= (guint8
*) (((gssize
) (addr
+ len
)) & ~ (mono_pagesize () - 1));
2400 if (page_end
> page_start
) {
2401 err
= mono_mprotect (page_start
, (page_end
- page_start
), MONO_MMAP_NONE
);
2402 g_assert (err
== 0);
2407 /* Compute the boundaries of LLVM code */
2408 if (info
->flags
& MONO_AOT_FILE_FLAG_WITH_LLVM
)
2409 compute_llvm_code_range (amodule
, &amodule
->llvm_code_start
, &amodule
->llvm_code_end
);
2413 if (amodule
->jit_code_start
) {
2414 aot_code_low_addr
= MIN (aot_code_low_addr
, (gsize
)amodule
->jit_code_start
);
2415 aot_code_high_addr
= MAX (aot_code_high_addr
, (gsize
)amodule
->jit_code_end
);
2417 if (amodule
->llvm_code_start
) {
2418 aot_code_low_addr
= MIN (aot_code_low_addr
, (gsize
)amodule
->llvm_code_start
);
2419 aot_code_high_addr
= MAX (aot_code_high_addr
, (gsize
)amodule
->llvm_code_end
);
2422 g_hash_table_insert (aot_modules
, assembly
, amodule
);
2425 if (amodule
->jit_code_start
)
2426 mono_jit_info_add_aot_module (assembly
->image
, amodule
->jit_code_start
, amodule
->jit_code_end
);
2427 if (amodule
->llvm_code_start
)
2428 mono_jit_info_add_aot_module (assembly
->image
, amodule
->llvm_code_start
, amodule
->llvm_code_end
);
2430 assembly
->image
->aot_module
= amodule
;
2432 if (mono_aot_only
&& !mono_llvm_only
) {
2434 find_amodule_symbol (amodule
, "specific_trampolines_page", (gpointer
*)&code
);
2435 amodule
->use_page_trampolines
= code
!= NULL
;
2436 /*g_warning ("using page trampolines: %d", amodule->use_page_trampolines);*/
2440 * Register the plt region as a single trampoline so we can unwind from this code
2442 mono_aot_tramp_info_register (
2443 mono_tramp_info_create (
2446 amodule
->plt_end
- amodule
->plt
,
2448 mono_unwind_get_cie_program ()
2454 * Since we store methoddef and classdef tokens when referring to methods/classes in
2455 * referenced assemblies, we depend on the exact versions of the referenced assemblies.
2456 * MS calls this 'hard binding'. This means we have to load all referenced assemblies
2457 * non-lazily, since we can't handle out-of-date errors later.
2458 * The cached class info also depends on the exact assemblies.
2460 if (do_load_image
) {
2461 for (i
= 0; i
< amodule
->image_table_len
; ++i
) {
2463 load_image (amodule
, i
, error
);
2464 mono_error_cleanup (error
); /* FIXME don't swallow the error */
2468 if (amodule
->out_of_date
) {
2469 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: Module %s is unusable because a dependency is out-of-date.", assembly
->image
->name
);
2471 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
);
2473 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' found.", found_aot_name
);
2478 * mono_aot_register_module:
2480 * This should be called by embedding code to register normal AOT modules statically linked
2481 * into the executable.
2483 * \param aot_info the value of the 'mono_aot_module_<ASSEMBLY_NAME>_info' global symbol from the AOT module.
2486 mono_aot_register_module (gpointer
*aot_info
)
2490 MonoAotFileInfo
*info
= (MonoAotFileInfo
*)aot_info
;
2492 g_assert (info
->version
== MONO_AOT_FILE_VERSION
);
2494 if (!(info
->flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) {
2495 globals
= (void **)info
->globals
;
2499 aname
= (char *)info
->assembly_name
;
2501 /* This could be called before startup */
2505 if (!static_aot_modules
)
2506 static_aot_modules
= g_hash_table_new (g_str_hash
, g_str_equal
);
2508 g_hash_table_insert (static_aot_modules
, aname
, info
);
2510 if (info
->flags
& MONO_AOT_FILE_FLAG_EAGER_LOAD
) {
2511 g_assert (!container_assm_name
);
2512 container_assm_name
= aname
;
2520 mono_aot_init (void)
2522 mono_os_mutex_init_recursive (&aot_mutex
);
2523 mono_os_mutex_init_recursive (&aot_page_mutex
);
2524 aot_modules
= g_hash_table_new (NULL
, NULL
);
2526 mono_install_assembly_load_hook (load_aot_module
, NULL
);
2527 mono_counters_register ("Async JIT info size", MONO_COUNTER_INT
|MONO_COUNTER_JIT
, &async_jit_info_size
);
2529 char *lastaot
= g_getenv ("MONO_LASTAOT");
2531 mono_last_aot_method
= atoi (lastaot
);
2538 mono_aot_cleanup (void)
2540 g_hash_table_destroy (aot_jit_icall_hash
);
2541 g_hash_table_destroy (aot_modules
);
2545 decode_cached_class_info (MonoAotModule
*module
, MonoCachedClassInfo
*info
, guint8
*buf
, guint8
**endbuf
)
2552 info
->vtable_size
= decode_value (buf
, &buf
);
2553 if (info
->vtable_size
== -1)
2556 flags
= decode_value (buf
, &buf
);
2557 info
->ghcimpl
= (flags
>> 0) & 0x1;
2558 info
->has_finalize
= (flags
>> 1) & 0x1;
2559 info
->has_cctor
= (flags
>> 2) & 0x1;
2560 info
->has_nested_classes
= (flags
>> 3) & 0x1;
2561 info
->blittable
= (flags
>> 4) & 0x1;
2562 info
->has_references
= (flags
>> 5) & 0x1;
2563 info
->has_static_refs
= (flags
>> 6) & 0x1;
2564 info
->no_special_static_fields
= (flags
>> 7) & 0x1;
2565 info
->is_generic_container
= (flags
>> 8) & 0x1;
2566 info
->has_weak_fields
= (flags
>> 9) & 0x1;
2568 if (info
->has_cctor
) {
2569 res
= decode_method_ref (module
, &ref
, buf
, &buf
, error
);
2570 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
2573 info
->cctor_token
= ref
.token
;
2575 if (info
->has_finalize
) {
2576 res
= decode_method_ref (module
, &ref
, buf
, &buf
, error
);
2577 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
2580 info
->finalize_image
= ref
.image
;
2581 info
->finalize_token
= ref
.token
;
2584 info
->instance_size
= decode_value (buf
, &buf
);
2585 info
->class_size
= decode_value (buf
, &buf
);
2586 info
->packing_size
= decode_value (buf
, &buf
);
2587 info
->min_align
= decode_value (buf
, &buf
);
2595 mono_aot_get_method_from_vt_slot (MonoDomain
*domain
, MonoVTable
*vtable
, int slot
, MonoError
*error
)
2598 MonoClass
*klass
= vtable
->klass
;
2599 MonoAotModule
*amodule
= m_class_get_image (klass
)->aot_module
;
2601 MonoCachedClassInfo class_info
;
2606 ERROR_DECL (inner_error
);
2610 if (MONO_CLASS_IS_INTERFACE_INTERNAL (klass
) || m_class_get_rank (klass
) || !amodule
)
2613 info
= &amodule
->blob
[mono_aot_get_offset (amodule
->class_info_offsets
, mono_metadata_token_index (m_class_get_type_token (klass
)) - 1)];
2616 err
= decode_cached_class_info (amodule
, &class_info
, p
, &p
);
2620 for (i
= 0; i
< slot
; ++i
) {
2621 decode_method_ref (amodule
, &ref
, p
, &p
, inner_error
);
2622 mono_error_cleanup (inner_error
); /* FIXME don't swallow the error */
2625 res
= decode_method_ref (amodule
, &ref
, p
, &p
, inner_error
);
2626 mono_error_cleanup (inner_error
); /* FIXME don't swallow the error */
2629 if (ref
.no_aot_trampoline
)
2632 if (mono_metadata_token_index (ref
.token
) == 0 || mono_metadata_token_table (ref
.token
) != MONO_TABLE_METHOD
)
2635 addr
= mono_aot_get_method_from_token (domain
, ref
.image
, ref
.token
, error
);
2640 mono_aot_get_cached_class_info (MonoClass
*klass
, MonoCachedClassInfo
*res
)
2642 MonoAotModule
*amodule
= m_class_get_image (klass
)->aot_module
;
2646 if (m_class_get_rank (klass
) || !m_class_get_type_token (klass
) || !amodule
)
2649 p
= (guint8
*)&amodule
->blob
[mono_aot_get_offset (amodule
->class_info_offsets
, mono_metadata_token_index (m_class_get_type_token (klass
)) - 1)];
2651 err
= decode_cached_class_info (amodule
, res
, p
, &p
);
2659 * mono_aot_get_class_from_name:
2661 * Obtains a MonoClass with a given namespace and a given name which is located in IMAGE,
2662 * using a cache stored in the AOT file.
2663 * Stores the resulting class in *KLASS if found, stores NULL otherwise.
2665 * Returns: TRUE if the klass was found/not found in the cache, FALSE if no aot file was
2669 mono_aot_get_class_from_name (MonoImage
*image
, const char *name_space
, const char *name
, MonoClass
**klass
)
2671 MonoAotModule
*amodule
= image
->aot_module
;
2672 guint16
*table
, *entry
;
2675 char full_name_buf
[1024];
2677 const char *name2
, *name_space2
;
2679 guint32 cols
[MONO_TYPEDEF_SIZE
];
2680 GHashTable
*nspace_table
;
2682 if (!amodule
|| !amodule
->class_name_table
)
2685 amodule_lock (amodule
);
2689 /* First look in the cache */
2690 if (!amodule
->name_cache
)
2691 amodule
->name_cache
= g_hash_table_new (g_str_hash
, g_str_equal
);
2692 nspace_table
= (GHashTable
*)g_hash_table_lookup (amodule
->name_cache
, name_space
);
2694 *klass
= (MonoClass
*)g_hash_table_lookup (nspace_table
, name
);
2696 amodule_unlock (amodule
);
2701 table_size
= amodule
->class_name_table
[0];
2702 table
= amodule
->class_name_table
+ 1;
2704 if (name_space
[0] == '\0')
2705 full_name
= g_strdup_printf ("%s", name
);
2707 if (strlen (name_space
) + strlen (name
) < 1000) {
2708 sprintf (full_name_buf
, "%s.%s", name_space
, name
);
2709 full_name
= full_name_buf
;
2711 full_name
= g_strdup_printf ("%s.%s", name_space
, name
);
2714 hash
= mono_metadata_str_hash (full_name
) % table_size
;
2715 if (full_name
!= full_name_buf
)
2718 entry
= &table
[hash
* 2];
2720 if (entry
[0] != 0) {
2721 t
= &image
->tables
[MONO_TABLE_TYPEDEF
];
2724 guint32 index
= entry
[0];
2725 guint32 next
= entry
[1];
2726 guint32 token
= mono_metadata_make_token (MONO_TABLE_TYPEDEF
, index
);
2728 name_table_accesses
++;
2730 mono_metadata_decode_row (t
, index
- 1, cols
, MONO_TYPEDEF_SIZE
);
2732 name2
= mono_metadata_string_heap (image
, cols
[MONO_TYPEDEF_NAME
]);
2733 name_space2
= mono_metadata_string_heap (image
, cols
[MONO_TYPEDEF_NAMESPACE
]);
2735 if (!strcmp (name
, name2
) && !strcmp (name_space
, name_space2
)) {
2737 amodule_unlock (amodule
);
2738 *klass
= mono_class_get_checked (image
, token
, error
);
2739 if (!mono_error_ok (error
))
2740 mono_error_cleanup (error
); /* FIXME don't swallow the error */
2744 amodule_lock (amodule
);
2745 nspace_table
= (GHashTable
*)g_hash_table_lookup (amodule
->name_cache
, name_space
);
2746 if (!nspace_table
) {
2747 nspace_table
= g_hash_table_new (g_str_hash
, g_str_equal
);
2748 g_hash_table_insert (amodule
->name_cache
, (char*)name_space2
, nspace_table
);
2750 g_hash_table_insert (nspace_table
, (char*)name2
, *klass
);
2751 amodule_unlock (amodule
);
2757 entry
= &table
[next
* 2];
2764 amodule_unlock (amodule
);
2770 mono_aot_get_weak_field_indexes (MonoImage
*image
)
2772 MonoAotModule
*amodule
= image
->aot_module
;
2777 /* Initialize weak field indexes from the cached copy */
2778 guint32
*indexes
= (guint32
*)amodule
->weak_field_indexes
;
2779 int len
= indexes
[0];
2780 GHashTable
*indexes_hash
= g_hash_table_new (NULL
, NULL
);
2781 for (int i
= 0; i
< len
; ++i
)
2782 g_hash_table_insert (indexes_hash
, GUINT_TO_POINTER (indexes
[i
+ 1]), GUINT_TO_POINTER (1));
2783 return indexes_hash
;
2786 /* Compute the boundaries of the LLVM code for AMODULE. */
2788 compute_llvm_code_range (MonoAotModule
*amodule
, guint8
**code_start
, guint8
**code_end
)
2791 int version
, fde_count
;
2794 if (amodule
->info
.llvm_get_method
) {
2795 gpointer (*get_method
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_method
;
2798 gsize min
= 1 << 30, max
= 0;
2801 // FIXME: This depends on emscripten allocating ftnptr ids sequentially
2802 for (int i
= 0; i
< amodule
->info
.nmethods
; ++i
) {
2805 addr
= get_method (i
);
2806 gsize val
= (gsize
)addr
;
2808 g_assert (val
> prev
);
2817 *code_start
= (guint8
*)min
;
2818 *code_end
= (guint8
*)(max
+ 1);
2824 *code_start
= (guint8
*)get_method (-1);
2825 *code_end
= (guint8
*)get_method (-2);
2827 g_assert (*code_end
> *code_start
);
2832 g_assert (amodule
->mono_eh_frame
);
2834 p
= amodule
->mono_eh_frame
;
2836 /* p points to data emitted by LLVM in DwarfException::EmitMonoEHFrame () */
2840 g_assert (version
== 3);
2843 p
= (guint8
*)ALIGN_PTR_TO (p
, 4);
2845 fde_count
= *(guint32
*)p
;
2849 if (fde_count
> 0) {
2850 *code_start
= (guint8
*)amodule
->methods
[table
[0]];
2851 *code_end
= (guint8
*)amodule
->methods
[table
[(fde_count
- 1) * 2]] + table
[fde_count
* 2];
2859 is_llvm_code (MonoAotModule
*amodule
, guint8
*code
)
2864 if ((guint8
*)code
>= amodule
->llvm_code_start
&& (guint8
*)code
< amodule
->llvm_code_end
)
2872 is_thumb_code (MonoAotModule
*amodule
, guint8
*code
)
2874 if (is_llvm_code (amodule
, code
) && (amodule
->info
.flags
& MONO_AOT_FILE_FLAG_LLVM_THUMB
))
2881 * decode_llvm_mono_eh_frame:
2883 * Decode the EH information emitted by our modified LLVM compiler and construct a
2884 * MonoJitInfo structure from it.
2885 * If JINFO is NULL, set OUT_LLVM_CLAUSES to the number of llvm level clauses.
2886 * This function is async safe when called in async context.
2889 decode_llvm_mono_eh_frame (MonoAotModule
*amodule
, MonoDomain
*domain
, MonoJitInfo
*jinfo
,
2890 guint8
*code
, guint32 code_len
,
2891 MonoJitExceptionInfo
*clauses
, int num_clauses
,
2893 int *this_reg
, int *this_offset
, int *out_llvm_clauses
)
2895 guint8
*p
, *code1
, *code2
;
2896 guint8
*fde
, *cie
, *code_start
, *code_end
;
2897 int version
, fde_count
;
2899 int i
, pos
, left
, right
;
2900 MonoJitExceptionInfo
*ei
;
2901 guint32 fde_len
, ei_len
, nested_len
, nindex
;
2902 gpointer
*type_info
;
2903 MonoLLVMFDEInfo info
;
2907 async
= mono_thread_info_is_async_context ();
2909 if (!amodule
->mono_eh_frame
) {
2911 *out_llvm_clauses
= num_clauses
;
2914 memcpy (jinfo
->clauses
, clauses
, num_clauses
* sizeof (MonoJitExceptionInfo
));
2918 g_assert (amodule
->mono_eh_frame
&& code
);
2920 p
= amodule
->mono_eh_frame
;
2922 /* p points to data emitted by LLVM in DwarfMonoException::EmitMonoEHFrame () */
2926 g_assert (version
== 3);
2928 /* func_encoding = *p; */
2930 p
= (guint8
*)ALIGN_PTR_TO (p
, 4);
2932 fde_count
= *(guint32
*)p
;
2936 /* There is +1 entry in the table */
2937 cie
= p
+ ((fde_count
+ 1) * 8);
2939 /* Binary search in the table to find the entry for code */
2943 pos
= (left
+ right
) / 2;
2945 /* The table contains method index/fde offset pairs */
2946 g_assert (table
[(pos
* 2)] != -1);
2947 code1
= (guint8
*)amodule
->methods
[table
[(pos
* 2)]];
2948 if (pos
+ 1 == fde_count
) {
2949 code2
= amodule
->llvm_code_end
;
2951 g_assert (table
[(pos
+ 1) * 2] != -1);
2952 code2
= (guint8
*)amodule
->methods
[table
[(pos
+ 1) * 2]];
2957 else if (code
>= code2
)
2963 code_start
= (guint8
*)amodule
->methods
[table
[(pos
* 2)]];
2964 if (pos
+ 1 == fde_count
) {
2965 /* The +1 entry in the table contains the length of the last method */
2966 int len
= table
[(pos
+ 1) * 2];
2967 code_end
= code_start
+ len
;
2969 code_end
= (guint8
*)amodule
->methods
[table
[(pos
+ 1) * 2]];
2972 code_len
= code_end
- code_start
;
2974 g_assert (code
>= code_start
&& code
< code_end
);
2976 if (is_thumb_code (amodule
, code_start
))
2977 /* Clear thumb flag */
2978 code_start
= (guint8
*)(((gsize
)code_start
) & ~1);
2980 fde
= amodule
->mono_eh_frame
+ table
[(pos
* 2) + 1];
2981 /* This won't overflow because there is +1 entry in the table */
2982 fde_len
= table
[(pos
* 2) + 2 + 1] - table
[(pos
* 2) + 1];
2984 /* Compute lengths */
2985 mono_unwind_decode_llvm_mono_fde (fde
, fde_len
, cie
, code_start
, &info
, NULL
, NULL
, NULL
);
2988 /* These are leaked, but the leak is bounded */
2989 ei
= mono_domain_alloc0_lock_free (domain
, info
.ex_info_len
* sizeof (MonoJitExceptionInfo
));
2990 type_info
= mono_domain_alloc0_lock_free (domain
, info
.ex_info_len
* sizeof (gpointer
));
2991 unw_info
= mono_domain_alloc0_lock_free (domain
, info
.unw_info_len
);
2993 ei
= (MonoJitExceptionInfo
*)g_malloc0 (info
.ex_info_len
* sizeof (MonoJitExceptionInfo
));
2994 type_info
= (gpointer
*)g_malloc0 (info
.ex_info_len
* sizeof (gpointer
));
2995 unw_info
= (guint8
*)g_malloc0 (info
.unw_info_len
);
2997 mono_unwind_decode_llvm_mono_fde (fde
, fde_len
, cie
, code_start
, &info
, ei
, type_info
, unw_info
);
2999 ei_len
= info
.ex_info_len
;
3000 *this_reg
= info
.this_reg
;
3001 *this_offset
= info
.this_offset
;
3004 * LLVM might represent one IL region with multiple regions.
3007 /* Count number of nested clauses */
3009 for (i
= 0; i
< ei_len
; ++i
) {
3010 /* This might be unaligned */
3011 gint32 cindex1
= read32 (type_info
[i
]);
3014 for (l
= nesting
[cindex1
]; l
; l
= l
->next
)
3019 *out_llvm_clauses
= ei_len
+ nested_len
;
3023 /* Store the unwind info addr/length in the MonoJitInfo structure itself so its async safe */
3024 MonoUnwindJitInfo
*jinfo_unwind
= mono_jit_info_get_unwind_info (jinfo
);
3025 g_assert (jinfo_unwind
);
3026 jinfo_unwind
->unw_info
= unw_info
;
3027 jinfo_unwind
->unw_info_len
= info
.unw_info_len
;
3029 for (i
= 0; i
< ei_len
; ++i
) {
3031 * clauses contains the original IL exception info saved by the AOT
3032 * compiler, we have to combine that with the information produced by LLVM
3034 /* The type_info entries contain IL clause indexes */
3035 int clause_index
= read32 (type_info
[i
]);
3036 MonoJitExceptionInfo
*jei
= &jinfo
->clauses
[i
];
3037 MonoJitExceptionInfo
*orig_jei
= &clauses
[clause_index
];
3039 g_assert (clause_index
< num_clauses
);
3040 jei
->flags
= orig_jei
->flags
;
3041 jei
->data
.catch_class
= orig_jei
->data
.catch_class
;
3043 jei
->try_start
= ei
[i
].try_start
;
3044 jei
->try_end
= ei
[i
].try_end
;
3045 jei
->handler_start
= ei
[i
].handler_start
;
3046 jei
->clause_index
= clause_index
;
3048 if (is_thumb_code (amodule
, (guint8
*)jei
->try_start
)) {
3049 jei
->try_start
= (void*)((gsize
)jei
->try_start
& ~1);
3050 jei
->try_end
= (void*)((gsize
)jei
->try_end
& ~1);
3051 /* Make sure we transition to thumb when a handler starts */
3052 jei
->handler_start
= (void*)((gsize
)jei
->handler_start
+ 1);
3056 /* See exception_cb () in mini-llvm.c as to why this is needed */
3058 for (i
= 0; i
< ei_len
; ++i
) {
3059 gint32 cindex1
= read32 (type_info
[i
]);
3062 for (l
= nesting
[cindex1
]; l
; l
= l
->next
) {
3063 gint32 nesting_cindex
= GPOINTER_TO_INT (l
->data
);
3064 MonoJitExceptionInfo
*nesting_ei
;
3065 MonoJitExceptionInfo
*nesting_clause
= &clauses
[nesting_cindex
];
3067 nesting_ei
= &jinfo
->clauses
[nindex
];
3070 memcpy (nesting_ei
, &jinfo
->clauses
[i
], sizeof (MonoJitExceptionInfo
));
3071 nesting_ei
->flags
= nesting_clause
->flags
;
3072 nesting_ei
->data
.catch_class
= nesting_clause
->data
.catch_class
;
3073 nesting_ei
->clause_index
= nesting_cindex
;
3076 g_assert (nindex
== ei_len
+ nested_len
);
3080 alloc0_jit_info_data (MonoDomain
*domain
, int size
, gboolean async_context
)
3082 #define alloc0_jit_info_data(domain, size, async_context) (g_cast (alloc0_jit_info_data ((domain), (size), (async_context))))
3087 if (async_context
) {
3088 res
= mono_domain_alloc0_lock_free (domain
, size
);
3089 mono_atomic_fetch_add_i32 (&async_jit_info_size
, size
);
3091 res
= mono_domain_alloc0 (domain
, size
);
3097 * LOCKING: Acquires the domain lock.
3098 * In async context, this is async safe.
3101 decode_exception_debug_info (MonoAotModule
*amodule
, MonoDomain
*domain
,
3102 MonoMethod
*method
, guint8
* ex_info
,
3103 guint8
*code
, guint32 code_len
)
3106 int i
, buf_len
, num_clauses
, len
;
3108 MonoJitInfoFlags flags
= JIT_INFO_NONE
;
3109 guint unwind_info
, eflags
;
3110 gboolean has_generic_jit_info
, has_dwarf_unwind_info
, has_clauses
, has_seq_points
, has_try_block_holes
, has_arch_eh_jit_info
;
3111 gboolean from_llvm
, has_gc_map
;
3113 int try_holes_info_size
, num_holes
;
3114 int this_reg
= 0, this_offset
= 0;
3117 /* Load the method info from the AOT file */
3118 async
= mono_thread_info_is_async_context ();
3121 eflags
= decode_value (p
, &p
);
3122 has_generic_jit_info
= (eflags
& 1) != 0;
3123 has_dwarf_unwind_info
= (eflags
& 2) != 0;
3124 has_clauses
= (eflags
& 4) != 0;
3125 has_seq_points
= (eflags
& 8) != 0;
3126 from_llvm
= (eflags
& 16) != 0;
3127 has_try_block_holes
= (eflags
& 32) != 0;
3128 has_gc_map
= (eflags
& 64) != 0;
3129 has_arch_eh_jit_info
= (eflags
& 128) != 0;
3131 if (has_dwarf_unwind_info
) {
3132 unwind_info
= decode_value (p
, &p
);
3133 g_assert (unwind_info
< (1 << 30));
3135 unwind_info
= decode_value (p
, &p
);
3137 if (has_generic_jit_info
)
3138 flags
|= JIT_INFO_HAS_GENERIC_JIT_INFO
;
3140 if (has_try_block_holes
) {
3141 num_holes
= decode_value (p
, &p
);
3142 flags
|= JIT_INFO_HAS_TRY_BLOCK_HOLES
;
3143 try_holes_info_size
= sizeof (MonoTryBlockHoleTableJitInfo
) + num_holes
* sizeof (MonoTryBlockHoleJitInfo
);
3145 num_holes
= try_holes_info_size
= 0;
3148 if (has_arch_eh_jit_info
) {
3149 flags
|= JIT_INFO_HAS_ARCH_EH_INFO
;
3150 /* Overwrite the original code_len which includes alignment padding */
3151 code_len
= decode_value (p
, &p
);
3154 /* Exception table */
3156 num_clauses
= decode_value (p
, &p
);
3161 MonoJitExceptionInfo
*clauses
;
3165 * Part of the info is encoded by the AOT compiler, the rest is in the .eh_frame
3169 if (num_clauses
< 16) {
3170 clauses
= g_newa (MonoJitExceptionInfo
, num_clauses
);
3171 nesting
= g_newa (GSList
*, num_clauses
);
3173 clauses
= alloc0_jit_info_data (domain
, sizeof (MonoJitExceptionInfo
) * num_clauses
, TRUE
);
3174 nesting
= alloc0_jit_info_data (domain
, sizeof (GSList
*) * num_clauses
, TRUE
);
3176 memset (clauses
, 0, sizeof (MonoJitExceptionInfo
) * num_clauses
);
3177 memset (nesting
, 0, sizeof (GSList
*) * num_clauses
);
3179 clauses
= g_new0 (MonoJitExceptionInfo
, num_clauses
);
3180 nesting
= g_new0 (GSList
*, num_clauses
);
3183 for (i
= 0; i
< num_clauses
; ++i
) {
3184 MonoJitExceptionInfo
*ei
= &clauses
[i
];
3186 ei
->flags
= decode_value (p
, &p
);
3188 if (!(ei
->flags
== MONO_EXCEPTION_CLAUSE_FILTER
|| ei
->flags
== MONO_EXCEPTION_CLAUSE_FINALLY
)) {
3189 int len
= decode_value (p
, &p
);
3195 ei
->data
.catch_class
= decode_klass_ref (amodule
, p
, &p
, error
);
3196 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3201 ei
->clause_index
= i
;
3203 ei
->try_offset
= decode_value (p
, &p
);
3204 ei
->try_len
= decode_value (p
, &p
);
3205 ei
->handler_offset
= decode_value (p
, &p
);
3206 ei
->handler_len
= decode_value (p
, &p
);
3208 /* Read the list of nesting clauses */
3210 int nesting_index
= decode_value (p
, &p
);
3211 if (nesting_index
== -1)
3215 nesting
[i
] = g_slist_prepend (nesting
[i
], GINT_TO_POINTER (nesting_index
));
3219 flags
|= JIT_INFO_HAS_UNWIND_INFO
;
3221 int num_llvm_clauses
;
3222 /* Get the length first */
3223 decode_llvm_mono_eh_frame (amodule
, domain
, NULL
, code
, code_len
, clauses
, num_clauses
, nesting
, &this_reg
, &this_offset
, &num_llvm_clauses
);
3224 len
= mono_jit_info_size (flags
, num_llvm_clauses
, num_holes
);
3225 jinfo
= (MonoJitInfo
*)alloc0_jit_info_data (domain
, len
, async
);
3226 mono_jit_info_init (jinfo
, method
, code
, code_len
, flags
, num_llvm_clauses
, num_holes
);
3228 decode_llvm_mono_eh_frame (amodule
, domain
, jinfo
, code
, code_len
, clauses
, num_clauses
, nesting
, &this_reg
, &this_offset
, NULL
);
3232 for (i
= 0; i
< num_clauses
; ++i
)
3233 g_slist_free (nesting
[i
]);
3236 jinfo
->from_llvm
= 1;
3238 len
= mono_jit_info_size (flags
, num_clauses
, num_holes
);
3239 jinfo
= (MonoJitInfo
*)alloc0_jit_info_data (domain
, len
, async
);
3240 mono_jit_info_init (jinfo
, method
, code
, code_len
, flags
, num_clauses
, num_holes
);
3242 for (i
= 0; i
< jinfo
->num_clauses
; ++i
) {
3243 MonoJitExceptionInfo
*ei
= &jinfo
->clauses
[i
];
3245 ei
->flags
= decode_value (p
, &p
);
3247 #ifdef MONO_CONTEXT_SET_LLVM_EXC_REG
3248 /* Not used for catch clauses */
3249 if (ei
->flags
!= MONO_EXCEPTION_CLAUSE_NONE
)
3250 ei
->exvar_offset
= decode_value (p
, &p
);
3252 ei
->exvar_offset
= decode_value (p
, &p
);
3255 if (ei
->flags
== MONO_EXCEPTION_CLAUSE_FILTER
|| ei
->flags
== MONO_EXCEPTION_CLAUSE_FINALLY
)
3256 ei
->data
.filter
= code
+ decode_value (p
, &p
);
3258 int len
= decode_value (p
, &p
);
3264 ei
->data
.catch_class
= decode_klass_ref (amodule
, p
, &p
, error
);
3265 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3270 ei
->try_start
= code
+ decode_value (p
, &p
);
3271 ei
->try_end
= code
+ decode_value (p
, &p
);
3272 ei
->handler_start
= code
+ decode_value (p
, &p
);
3275 jinfo
->unwind_info
= unwind_info
;
3276 jinfo
->domain_neutral
= 0;
3277 jinfo
->from_aot
= 1;
3280 if (has_try_block_holes
) {
3281 MonoTryBlockHoleTableJitInfo
*table
;
3283 g_assert (jinfo
->has_try_block_holes
);
3285 table
= mono_jit_info_get_try_block_hole_table_info (jinfo
);
3288 table
->num_holes
= (guint16
)num_holes
;
3289 for (i
= 0; i
< num_holes
; ++i
) {
3290 MonoTryBlockHoleJitInfo
*hole
= &table
->holes
[i
];
3291 hole
->clause
= decode_value (p
, &p
);
3292 hole
->length
= decode_value (p
, &p
);
3293 hole
->offset
= decode_value (p
, &p
);
3297 if (has_arch_eh_jit_info
) {
3298 MonoArchEHJitInfo
*eh_info
;
3300 g_assert (jinfo
->has_arch_eh_info
);
3302 eh_info
= mono_jit_info_get_arch_eh_info (jinfo
);
3303 eh_info
->stack_size
= decode_value (p
, &p
);
3304 eh_info
->epilog_size
= decode_value (p
, &p
);
3308 /* The rest is not needed in async mode */
3309 jinfo
->async
= TRUE
;
3310 jinfo
->d
.aot_info
= amodule
;
3315 if (has_generic_jit_info
) {
3316 MonoGenericJitInfo
*gi
;
3319 g_assert (jinfo
->has_generic_jit_info
);
3321 gi
= mono_jit_info_get_generic_jit_info (jinfo
);
3324 gi
->nlocs
= decode_value (p
, &p
);
3326 gi
->locations
= (MonoDwarfLocListEntry
*)alloc0_jit_info_data (domain
, gi
->nlocs
* sizeof (MonoDwarfLocListEntry
), async
);
3327 for (i
= 0; i
< gi
->nlocs
; ++i
) {
3328 MonoDwarfLocListEntry
*entry
= &gi
->locations
[i
];
3330 entry
->is_reg
= decode_value (p
, &p
);
3331 entry
->reg
= decode_value (p
, &p
);
3333 entry
->offset
= decode_value (p
, &p
);
3335 entry
->from
= decode_value (p
, &p
);
3336 entry
->to
= decode_value (p
, &p
);
3341 gi
->has_this
= this_reg
!= -1;
3342 gi
->this_reg
= this_reg
;
3343 gi
->this_offset
= this_offset
;
3345 gi
->has_this
= decode_value (p
, &p
);
3346 gi
->this_reg
= decode_value (p
, &p
);
3347 gi
->this_offset
= decode_value (p
, &p
);
3351 len
= decode_value (p
, &p
);
3355 jinfo
->d
.method
= decode_resolve_method_ref (amodule
, p
, &p
, error
);
3356 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3359 gi
->generic_sharing_context
= alloc0_jit_info_data (domain
, sizeof (MonoGenericSharingContext
), async
);
3360 if (decode_value (p
, &p
)) {
3362 MonoGenericSharingContext
*gsctx
= gi
->generic_sharing_context
;
3364 gsctx
->is_gsharedvt
= TRUE
;
3368 if (method
&& has_seq_points
) {
3369 MonoSeqPointInfo
*seq_points
;
3371 p
+= mono_seq_point_info_read (&seq_points
, p
, FALSE
);
3373 mono_domain_lock (domain
);
3374 /* This could be set already since this function can be called more than once for the same method */
3375 if (!g_hash_table_lookup (domain_jit_info (domain
)->seq_points
, method
))
3376 g_hash_table_insert (domain_jit_info (domain
)->seq_points
, method
, seq_points
);
3378 mono_seq_point_info_free (seq_points
);
3379 mono_domain_unlock (domain
);
3381 jinfo
->seq_points
= seq_points
;
3384 /* Load debug info */
3385 buf_len
= decode_value (p
, &p
);
3387 mono_debug_add_aot_method (domain
, method
, code
, p
, buf_len
);
3391 int map_size
= decode_value (p
, &p
);
3392 /* The GC map requires 4 bytes of alignment */
3393 while ((guint64
)(gsize
)p
% 4)
3399 if (amodule
!= m_class_get_image (jinfo
->d
.method
->klass
)->aot_module
) {
3402 ji_to_amodule
= g_hash_table_new (NULL
, NULL
);
3403 g_hash_table_insert (ji_to_amodule
, jinfo
, amodule
);
3411 amodule_contains_code_addr (MonoAotModule
*amodule
, guint8
*code
)
3413 return (code
>= amodule
->jit_code_start
&& code
<= amodule
->jit_code_end
) ||
3414 (code
>= amodule
->llvm_code_start
&& code
<= amodule
->llvm_code_end
);
3418 * mono_aot_get_unwind_info:
3420 * Return a pointer to the DWARF unwind info belonging to JI.
3423 mono_aot_get_unwind_info (MonoJitInfo
*ji
, guint32
*unwind_info_len
)
3425 MonoAotModule
*amodule
;
3427 guint8
*code
= (guint8
*)ji
->code_start
;
3430 amodule
= ji
->d
.aot_info
;
3432 amodule
= m_class_get_image (jinfo_get_method (ji
)->klass
)->aot_module
;
3434 g_assert (ji
->from_aot
);
3436 if (!amodule_contains_code_addr (amodule
, code
)) {
3437 /* ji belongs to a different aot module than amodule */
3439 g_assert (ji_to_amodule
);
3440 amodule
= (MonoAotModule
*)g_hash_table_lookup (ji_to_amodule
, ji
);
3442 g_assert (amodule_contains_code_addr (amodule
, code
));
3446 p
= amodule
->unwind_info
+ ji
->unwind_info
;
3447 *unwind_info_len
= decode_value (p
, &p
);
3452 msort_method_addresses_internal (gpointer
*array
, int *indexes
, int lo
, int hi
, gpointer
*scratch
, int *scratch_indexes
)
3454 int mid
= (lo
+ hi
) / 2;
3461 for (i
= lo
; i
< hi
; ++i
)
3462 if (array
[i
] > array
[i
+ 1])
3465 /* Already sorted */
3469 msort_method_addresses_internal (array
, indexes
, lo
, mid
, scratch
, scratch_indexes
);
3470 msort_method_addresses_internal (array
, indexes
, mid
+ 1, hi
, scratch
, scratch_indexes
);
3472 if (array
[mid
] < array
[mid
+ 1])
3478 for (i
= lo
; i
<= hi
; i
++) {
3479 if (t_lo
<= mid
&& ((t_hi
> hi
) || array
[t_lo
] < array
[t_hi
])) {
3480 scratch
[i
] = array
[t_lo
];
3481 scratch_indexes
[i
] = indexes
[t_lo
];
3484 scratch
[i
] = array
[t_hi
];
3485 scratch_indexes
[i
] = indexes
[t_hi
];
3489 for (i
= lo
; i
<= hi
; ++i
) {
3490 array
[i
] = scratch
[i
];
3491 indexes
[i
] = scratch_indexes
[i
];
3496 msort_method_addresses (gpointer
*array
, int *indexes
, int len
)
3499 int *scratch_indexes
;
3501 scratch
= g_new (gpointer
, len
);
3502 scratch_indexes
= g_new (int, len
);
3503 msort_method_addresses_internal (array
, indexes
, 0, len
- 1, scratch
, scratch_indexes
);
3505 g_free (scratch_indexes
);
3509 * mono_aot_find_jit_info:
3511 * In async context, the resulting MonoJitInfo will not have its method field set, and it will not be added
3512 * to the jit info tables.
3513 * FIXME: Large sizes in the lock free allocator
3516 mono_aot_find_jit_info (MonoDomain
*domain
, MonoImage
*image
, gpointer addr
)
3519 int pos
, left
, right
, code_len
;
3520 int method_index
, table_len
;
3522 MonoAotModule
*amodule
= image
->aot_module
;
3523 MonoMethod
*method
= NULL
;
3525 guint8
*code
, *ex_info
, *p
;
3529 guint8
*code1
, *code2
;
3536 nmethods
= amodule
->info
.nmethods
;
3538 if (domain
!= mono_get_root_domain ())
3542 if (!amodule_contains_code_addr (amodule
, (guint8
*)addr
))
3545 async
= mono_thread_info_is_async_context ();
3547 /* Compute a sorted table mapping code to method indexes. */
3548 if (!amodule
->sorted_methods
) {
3550 gpointer
*methods
= g_new0 (gpointer
, nmethods
);
3551 int *method_indexes
= g_new0 (int, nmethods
);
3552 int methods_len
= 0;
3554 for (i
= 0; i
< nmethods
; ++i
) {
3555 /* Skip the -1 entries to speed up sorting */
3556 if (amodule
->methods
[i
] == GINT_TO_POINTER (-1))
3558 methods
[methods_len
] = amodule
->methods
[i
];
3559 method_indexes
[methods_len
] = i
;
3562 /* Use a merge sort as this is mostly sorted */
3563 msort_method_addresses (methods
, method_indexes
, methods_len
);
3564 for (i
= 0; i
< methods_len
-1; ++i
)
3565 g_assert (methods
[i
] <= methods
[i
+ 1]);
3566 amodule
->sorted_methods_len
= methods_len
;
3567 if (mono_atomic_cas_ptr ((gpointer
*)&amodule
->sorted_methods
, methods
, NULL
) != NULL
)
3568 /* Somebody got in before us */
3570 if (mono_atomic_cas_ptr ((gpointer
*)&amodule
->sorted_method_indexes
, method_indexes
, NULL
) != NULL
)
3571 /* Somebody got in before us */
3572 g_free (method_indexes
);
3575 /* Binary search in the sorted_methods table */
3576 methods
= amodule
->sorted_methods
;
3577 methods_len
= amodule
->sorted_methods_len
;
3578 code
= (guint8
*)addr
;
3580 right
= methods_len
;
3582 pos
= (left
+ right
) / 2;
3584 code1
= (guint8
*)methods
[pos
];
3585 if (pos
+ 1 == methods_len
) {
3586 if (code1
>= amodule
->jit_code_start
&& code1
< amodule
->jit_code_end
)
3587 code2
= amodule
->jit_code_end
;
3589 code2
= amodule
->llvm_code_end
;
3591 code2
= (guint8
*)methods
[pos
+ 1];
3596 else if (code
>= code2
)
3602 g_assert (addr
>= methods
[pos
]);
3603 if (pos
+ 1 < methods_len
)
3604 g_assert (addr
< methods
[pos
+ 1]);
3605 method_index
= amodule
->sorted_method_indexes
[pos
];
3607 /* In async mode, jinfo is not added to the normal jit info table, so have to cache it ourselves */
3609 JitInfoMap
*table
= amodule
->async_jit_info_table
;
3613 len
= table
[0].method_index
;
3614 for (i
= 1; i
< len
; ++i
) {
3615 if (table
[i
].method_index
== method_index
)
3616 return table
[i
].jinfo
;
3621 code
= (guint8
*)amodule
->methods
[method_index
];
3622 ex_info
= &amodule
->blob
[mono_aot_get_offset (amodule
->ex_info_offsets
, method_index
)];
3624 if (pos
== methods_len
- 1) {
3625 if (code
>= amodule
->jit_code_start
&& code
< amodule
->jit_code_end
)
3626 code_len
= amodule
->jit_code_end
- code
;
3628 code_len
= amodule
->llvm_code_end
- code
;
3630 code_len
= (guint8
*)methods
[pos
+ 1] - (guint8
*)methods
[pos
];
3633 g_assert ((guint8
*)code
<= (guint8
*)addr
&& (guint8
*)addr
< (guint8
*)code
+ code_len
);
3635 /* Might be a wrapper/extra method */
3637 if (amodule
->extra_methods
) {
3638 amodule_lock (amodule
);
3639 method
= (MonoMethod
*)g_hash_table_lookup (amodule
->extra_methods
, GUINT_TO_POINTER (method_index
));
3640 amodule_unlock (amodule
);
3646 if (method_index
>= image
->tables
[MONO_TABLE_METHOD
].rows
) {
3648 * This is hit for extra methods which are called directly, so they are
3649 * not in amodule->extra_methods.
3651 table_len
= amodule
->extra_method_info_offsets
[0];
3652 table
= amodule
->extra_method_info_offsets
+ 1;
3659 pos
= ((left
+ right
) / 2);
3661 g_assert (pos
< table_len
);
3663 if (table
[pos
* 2] < method_index
)
3665 else if (table
[pos
* 2] > method_index
)
3671 p
= amodule
->blob
+ table
[(pos
* 2) + 1];
3672 method
= decode_resolve_method_ref (amodule
, p
, &p
, error
);
3673 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3675 /* Happens when a random address is passed in which matches a not-yey called wrapper encoded using its name */
3679 token
= mono_metadata_make_token (MONO_TABLE_METHOD
, method_index
+ 1);
3680 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
3682 g_error ("AOT runtime could not load method due to %s", mono_error_get_message (error
)); /* FIXME don't swallow the error */
3689 //printf ("F: %s\n", mono_method_full_name (method, TRUE));
3691 jinfo
= decode_exception_debug_info (amodule
, domain
, method
, ex_info
, code
, code_len
);
3693 g_assert ((guint8
*)addr
>= (guint8
*)jinfo
->code_start
);
3695 /* Add it to the normal JitInfo tables */
3697 JitInfoMap
*old_table
, *new_table
;
3701 * Use a simple inmutable table with linear search to cache async jit info entries.
3702 * This assumes that the number of entries is small.
3705 /* Copy the table, adding a new entry at the end */
3706 old_table
= amodule
->async_jit_info_table
;
3708 len
= old_table
[0].method_index
;
3711 new_table
= (JitInfoMap
*)alloc0_jit_info_data (domain
, (len
+ 1) * sizeof (JitInfoMap
), async
);
3713 memcpy (new_table
, old_table
, len
* sizeof (JitInfoMap
));
3714 new_table
[0].method_index
= len
+ 1;
3715 new_table
[len
].method_index
= method_index
;
3716 new_table
[len
].jinfo
= jinfo
;
3718 mono_memory_barrier ();
3719 if (mono_atomic_cas_ptr ((volatile gpointer
*)&amodule
->async_jit_info_table
, new_table
, old_table
) == old_table
)
3723 mono_jit_info_table_add (domain
, jinfo
);
3726 if ((guint8
*)addr
>= (guint8
*)jinfo
->code_start
+ jinfo
->code_size
)
3727 /* addr is in the padding between methods, see the adjustment of code_size in decode_exception_debug_info () */
3734 decode_patch (MonoAotModule
*aot_module
, MonoMemPool
*mp
, MonoJumpInfo
*ji
, guint8
*buf
, guint8
**endbuf
)
3743 case MONO_PATCH_INFO_METHOD
:
3744 case MONO_PATCH_INFO_METHOD_JUMP
:
3745 case MONO_PATCH_INFO_METHOD_FTNDESC
:
3746 case MONO_PATCH_INFO_ICALL_ADDR
:
3747 case MONO_PATCH_INFO_ICALL_ADDR_CALL
:
3748 case MONO_PATCH_INFO_METHOD_RGCTX
:
3749 case MONO_PATCH_INFO_METHOD_CODE_SLOT
: {
3753 res
= decode_method_ref (aot_module
, &ref
, p
, &p
, error
);
3754 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
3758 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
)) {
3759 ji
->data
.target
= mono_create_ftnptr (mono_domain_get (), mono_create_jit_trampoline_from_token (ref
.image
, ref
.token
));
3760 ji
->type
= MONO_PATCH_INFO_ABS
;
3764 ji
->data
.method
= ref
.method
;
3767 ji
->data
.method
= mono_get_method_checked (ref
.image
, ref
.token
, NULL
, NULL
, error
);
3768 if (!ji
->data
.method
)
3769 g_error ("AOT Runtime could not load method due to %s", mono_error_get_message (error
)); /* FIXME don't swallow the error */
3771 g_assert (ji
->data
.method
);
3772 mono_class_init_internal (ji
->data
.method
->klass
);
3776 case MONO_PATCH_INFO_JIT_ICALL
://temporary
3778 case MONO_PATCH_INFO_LDSTR_LIT
:
3779 case MONO_PATCH_INFO_JIT_ICALL_ADDR
:
3780 case MONO_PATCH_INFO_JIT_ICALL_ADDR_NOCALL
:
3782 guint32 len
= decode_value (p
, &p
);
3784 ji
->data
.name
= (char*)p
;
3788 case MONO_PATCH_INFO_METHODCONST
:
3790 ji
->data
.method
= decode_resolve_method_ref (aot_module
, p
, &p
, error
);
3791 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3792 if (!ji
->data
.method
)
3795 case MONO_PATCH_INFO_VTABLE
:
3796 case MONO_PATCH_INFO_CLASS
:
3797 case MONO_PATCH_INFO_IID
:
3798 case MONO_PATCH_INFO_ADJUSTED_IID
:
3800 ji
->data
.klass
= decode_klass_ref (aot_module
, p
, &p
, error
);
3801 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3802 if (!ji
->data
.klass
)
3805 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE
:
3806 ji
->data
.del_tramp
= (MonoDelegateClassMethodPair
*)mono_mempool_alloc0 (mp
, sizeof (MonoDelegateClassMethodPair
));
3807 ji
->data
.del_tramp
->klass
= decode_klass_ref (aot_module
, p
, &p
, error
);
3808 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3809 if (!ji
->data
.del_tramp
->klass
)
3811 if (decode_value (p
, &p
)) {
3812 ji
->data
.del_tramp
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, error
);
3813 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3814 if (!ji
->data
.del_tramp
->method
)
3817 ji
->data
.del_tramp
->is_virtual
= decode_value (p
, &p
) ? TRUE
: FALSE
;
3819 case MONO_PATCH_INFO_IMAGE
:
3820 ji
->data
.image
= load_image (aot_module
, decode_value (p
, &p
), error
);
3821 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3822 if (!ji
->data
.image
)
3825 case MONO_PATCH_INFO_FIELD
:
3826 case MONO_PATCH_INFO_SFLDA
:
3828 ji
->data
.field
= decode_field_info (aot_module
, p
, &p
);
3829 if (!ji
->data
.field
)
3832 case MONO_PATCH_INFO_SWITCH
:
3833 ji
->data
.table
= (MonoJumpInfoBBTable
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoBBTable
));
3834 ji
->data
.table
->table_size
= decode_value (p
, &p
);
3835 table
= (void **)mono_domain_alloc (mono_domain_get (), sizeof (gpointer
) * ji
->data
.table
->table_size
);
3836 ji
->data
.table
->table
= (MonoBasicBlock
**)table
;
3837 for (i
= 0; i
< ji
->data
.table
->table_size
; i
++)
3838 table
[i
] = (gpointer
)(gssize
)decode_value (p
, &p
);
3840 case MONO_PATCH_INFO_R4
: {
3843 ji
->data
.target
= mono_domain_alloc0 (mono_domain_get (), sizeof (float));
3844 val
= decode_value (p
, &p
);
3845 *(float*)ji
->data
.target
= *(float*)&val
;
3848 case MONO_PATCH_INFO_R8
: {
3852 ji
->data
.target
= mono_domain_alloc0 (mono_domain_get (), sizeof (double));
3854 val
[0] = decode_value (p
, &p
);
3855 val
[1] = decode_value (p
, &p
);
3856 v
= ((guint64
)val
[1] << 32) | ((guint64
)val
[0]);
3857 *(double*)ji
->data
.target
= *(double*)&v
;
3860 case MONO_PATCH_INFO_LDSTR
:
3861 image
= load_image (aot_module
, decode_value (p
, &p
), error
);
3862 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3865 ji
->data
.token
= mono_jump_info_token_new (mp
, image
, MONO_TOKEN_STRING
+ decode_value (p
, &p
));
3867 case MONO_PATCH_INFO_RVA
:
3868 case MONO_PATCH_INFO_DECLSEC
:
3869 case MONO_PATCH_INFO_LDTOKEN
:
3870 case MONO_PATCH_INFO_TYPE_FROM_HANDLE
:
3872 image
= load_image (aot_module
, decode_value (p
, &p
), error
);
3873 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3876 ji
->data
.token
= mono_jump_info_token_new (mp
, image
, decode_value (p
, &p
));
3878 ji
->data
.token
->has_context
= decode_value (p
, &p
);
3879 if (ji
->data
.token
->has_context
) {
3880 gboolean res
= decode_generic_context (aot_module
, &ji
->data
.token
->context
, p
, &p
, error
);
3881 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3886 case MONO_PATCH_INFO_EXC_NAME
:
3887 ji
->data
.klass
= decode_klass_ref (aot_module
, p
, &p
, error
);
3888 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3889 if (!ji
->data
.klass
)
3891 ji
->data
.name
= m_class_get_name (ji
->data
.klass
);
3893 case MONO_PATCH_INFO_METHOD_REL
:
3894 ji
->data
.offset
= decode_value (p
, &p
);
3896 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG
:
3897 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR
:
3898 case MONO_PATCH_INFO_GC_NURSERY_START
:
3899 case MONO_PATCH_INFO_GC_NURSERY_BITS
:
3900 case MONO_PATCH_INFO_PROFILER_ALLOCATION_COUNT
:
3901 case MONO_PATCH_INFO_PROFILER_CLAUSE_COUNT
:
3903 case MONO_PATCH_INFO_SPECIFIC_TRAMPOLINE_LAZY_FETCH_ADDR
:
3904 ji
->data
.uindex
= decode_value (p
, &p
);
3906 case MONO_PATCH_INFO_TRAMPOLINE_FUNC_ADDR
:
3907 case MONO_PATCH_INFO_CASTCLASS_CACHE
:
3908 ji
->data
.index
= decode_value (p
, &p
);
3910 case MONO_PATCH_INFO_JIT_ICALL_ID
:
3911 ji
->data
.jit_icall_id
= (MonoJitICallId
)decode_value (p
, &p
);
3913 case MONO_PATCH_INFO_RGCTX_FETCH
:
3914 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX
: {
3916 MonoJumpInfoRgctxEntry
*entry
;
3917 guint32 offset
, val
;
3920 offset
= decode_value (p
, &p
);
3921 val
= decode_value (p
, &p
);
3923 entry
= (MonoJumpInfoRgctxEntry
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoRgctxEntry
));
3924 p2
= aot_module
->blob
+ offset
;
3925 entry
->in_mrgctx
= ((val
& 1) > 0) ? TRUE
: FALSE
;
3926 if (entry
->in_mrgctx
)
3927 entry
->d
.method
= decode_resolve_method_ref (aot_module
, p2
, &p2
, error
);
3929 entry
->d
.klass
= decode_klass_ref (aot_module
, p2
, &p2
, error
);
3930 entry
->info_type
= (MonoRgctxInfoType
)((val
>> 1) & 0xff);
3931 entry
->data
= (MonoJumpInfo
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfo
));
3932 entry
->data
->type
= (MonoJumpInfoType
)((val
>> 9) & 0xff);
3933 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3935 res
= decode_patch (aot_module
, mp
, entry
->data
, p
, &p
);
3938 ji
->data
.rgctx_entry
= entry
;
3941 case MONO_PATCH_INFO_SEQ_POINT_INFO
:
3942 case MONO_PATCH_INFO_AOT_MODULE
:
3943 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR
:
3945 case MONO_PATCH_INFO_SIGNATURE
:
3946 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER
:
3947 ji
->data
.target
= decode_signature (aot_module
, p
, &p
);
3949 case MONO_PATCH_INFO_GSHAREDVT_CALL
: {
3950 MonoJumpInfoGSharedVtCall
*info
= (MonoJumpInfoGSharedVtCall
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoGSharedVtCall
));
3951 info
->sig
= decode_signature (aot_module
, p
, &p
);
3952 g_assert (info
->sig
);
3953 info
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, error
);
3954 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
3956 ji
->data
.target
= info
;
3959 case MONO_PATCH_INFO_GSHAREDVT_METHOD
: {
3960 MonoGSharedVtMethodInfo
*info
= (MonoGSharedVtMethodInfo
*)mono_mempool_alloc0 (mp
, sizeof (MonoGSharedVtMethodInfo
));
3963 info
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, error
);
3964 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
3966 info
->num_entries
= decode_value (p
, &p
);
3967 info
->count_entries
= info
->num_entries
;
3968 info
->entries
= (MonoRuntimeGenericContextInfoTemplate
*)mono_mempool_alloc0 (mp
, sizeof (MonoRuntimeGenericContextInfoTemplate
) * info
->num_entries
);
3969 for (i
= 0; i
< info
->num_entries
; ++i
) {
3970 MonoRuntimeGenericContextInfoTemplate
*template_
= &info
->entries
[i
];
3972 template_
->info_type
= (MonoRgctxInfoType
)decode_value (p
, &p
);
3973 switch (mini_rgctx_info_type_to_patch_info_type (template_
->info_type
)) {
3974 case MONO_PATCH_INFO_CLASS
: {
3975 MonoClass
*klass
= decode_klass_ref (aot_module
, p
, &p
, error
);
3976 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3979 template_
->data
= m_class_get_byval_arg (klass
);
3982 case MONO_PATCH_INFO_FIELD
:
3983 template_
->data
= decode_field_info (aot_module
, p
, &p
);
3984 if (!template_
->data
)
3988 g_assert_not_reached ();
3992 ji
->data
.target
= info
;
3995 case MONO_PATCH_INFO_VIRT_METHOD
: {
3996 MonoJumpInfoVirtMethod
*info
= (MonoJumpInfoVirtMethod
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoVirtMethod
));
3998 info
->klass
= decode_klass_ref (aot_module
, p
, &p
, error
);
3999 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
4001 info
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, error
);
4002 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
4004 ji
->data
.target
= info
;
4007 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG
:
4009 case MONO_PATCH_INFO_GET_TLS_TRAMP
:
4010 case MONO_PATCH_INFO_SET_TLS_TRAMP
:
4011 case MONO_PATCH_INFO_AOT_JIT_INFO
:
4012 ji
->data
.index
= decode_value (p
, &p
);
4015 g_warning ("unhandled type %d", ji
->type
);
4016 g_assert_not_reached ();
4030 * Decode a list of patches identified by the got offsets in GOT_OFFSETS. Return an array of
4031 * MonoJumpInfo structures allocated from MP.
4033 static MonoJumpInfo
*
4034 decode_patches (MonoAotModule
*amodule
, MonoMemPool
*mp
, int n_patches
, gboolean llvm
, guint32
*got_offsets
)
4036 MonoJumpInfo
*patches
;
4039 guint32
*got_info_offsets
;
4044 got
= amodule
->llvm_got
;
4045 got_info_offsets
= (guint32
*)amodule
->llvm_got_info_offsets
;
4048 got_info_offsets
= (guint32
*)amodule
->got_info_offsets
;
4051 patches
= (MonoJumpInfo
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfo
) * n_patches
);
4052 for (i
= 0; i
< n_patches
; ++i
) {
4053 guint8
*p
= amodule
->blob
+ mono_aot_get_offset (got_info_offsets
, got_offsets
[i
]);
4056 ji
->type
= (MonoJumpInfoType
)decode_value (p
, &p
);
4058 /* See load_method () for SFLDA */
4059 if (got
&& got
[got_offsets
[i
]] && ji
->type
!= MONO_PATCH_INFO_SFLDA
) {
4060 /* Already loaded */
4062 res
= decode_patch (amodule
, mp
, ji
, p
, &p
);
4071 static MonoJumpInfo
*
4072 load_patch_info (MonoAotModule
*amodule
, MonoMemPool
*mp
, int n_patches
,
4073 gboolean llvm
, guint32
**got_slots
,
4074 guint8
*buf
, guint8
**endbuf
)
4076 MonoJumpInfo
*patches
;
4082 *got_slots
= (guint32
*)g_malloc (sizeof (guint32
) * n_patches
);
4083 for (pindex
= 0; pindex
< n_patches
; ++pindex
) {
4084 (*got_slots
)[pindex
] = decode_value (p
, &p
);
4087 patches
= decode_patches (amodule
, mp
, n_patches
, llvm
, *got_slots
);
4089 g_free (*got_slots
);
4099 register_jump_target_got_slot (MonoDomain
*domain
, MonoMethod
*method
, gpointer
*got_slot
)
4102 * Jump addresses cannot be patched by the trampoline code since it
4103 * does not have access to the caller's address. Instead, we collect
4104 * the addresses of the GOT slots pointing to a method, and patch
4105 * them after the method has been compiled.
4107 MonoJitDomainInfo
*info
= domain_jit_info (domain
);
4109 MonoMethod
*shared_method
= mini_method_to_shared (method
);
4110 method
= shared_method
? shared_method
: method
;
4112 mono_domain_lock (domain
);
4113 if (!info
->jump_target_got_slot_hash
)
4114 info
->jump_target_got_slot_hash
= g_hash_table_new (NULL
, NULL
);
4115 list
= (GSList
*)g_hash_table_lookup (info
->jump_target_got_slot_hash
, method
);
4116 list
= g_slist_prepend (list
, got_slot
);
4117 g_hash_table_insert (info
->jump_target_got_slot_hash
, method
, list
);
4118 mono_domain_unlock (domain
);
4124 * Load the method identified by METHOD_INDEX from the AOT image. Return a
4125 * pointer to the native code of the method, or NULL if not found.
4126 * METHOD might not be set if the caller only has the image/token info.
4129 load_method (MonoDomain
*domain
, MonoAotModule
*amodule
, MonoImage
*image
, MonoMethod
*method
, guint32 token
, int method_index
,
4132 MonoJitInfo
*jinfo
= NULL
;
4133 guint8
*code
= NULL
, *info
;
4138 init_amodule_got (amodule
);
4140 if (domain
!= mono_get_root_domain ())
4141 /* Non shared AOT code can't be used in other appdomains */
4144 if (amodule
->out_of_date
)
4147 if (amodule
->info
.llvm_get_method
) {
4149 * Obtain the method address by calling a generated function in the LLVM module.
4151 gpointer (*get_method
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_method
;
4152 code
= (guint8
*)get_method (method_index
);
4156 if (method_index
< amodule
->info
.nmethods
)
4157 code
= (guint8
*)amodule
->methods
[method_index
];
4162 if (amodule
->methods
[method_index
] == GINT_TO_POINTER (-1)) {
4163 if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
)) {
4167 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
4171 if (!(method
->iflags
& METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL
)) {
4172 full_name
= mono_method_full_name (method
, TRUE
);
4173 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT: NOT FOUND: %s.", full_name
);
4181 info
= &amodule
->blob
[mono_aot_get_offset (amodule
->method_info_offsets
, method_index
)];
4183 if (!amodule
->methods_loaded
) {
4184 amodule_lock (amodule
);
4185 if (!amodule
->methods_loaded
) {
4188 loaded
= g_new0 (guint32
, amodule
->info
.nmethods
/ 32 + 1);
4189 mono_memory_barrier ();
4190 amodule
->methods_loaded
= loaded
;
4192 amodule_unlock (amodule
);
4195 if ((amodule
->methods_loaded
[method_index
/ 32] >> (method_index
% 32)) & 0x1)
4198 if (mini_debug_options
.aot_skip_set
&& !(method
&& method
->wrapper_type
)) {
4199 gint32 methods_aot
= mono_atomic_load_i32 (&mono_jit_stats
.methods_aot
);
4200 if (methods_aot
== mini_debug_options
.aot_skip
) {
4202 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
4207 char *name
= mono_method_full_name (method
, TRUE
);
4208 g_print ("NON AOT METHOD: %s.\n", name
);
4211 g_print ("NON AOT METHOD: %p %d\n", code
, method_index
);
4213 mini_debug_options
.aot_skip_set
= FALSE
;
4218 if (mono_last_aot_method
!= -1) {
4219 gint32 methods_aot
= mono_atomic_load_i32 (&mono_jit_stats
.methods_aot
);
4220 if (methods_aot
>= mono_last_aot_method
)
4222 else if (methods_aot
== mono_last_aot_method
- 1) {
4224 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
4229 char *name
= mono_method_full_name (method
, TRUE
);
4230 g_print ("LAST AOT METHOD: %s.\n", name
);
4233 g_print ("LAST AOT METHOD: %p %d\n", code
, method_index
);
4238 if (!(is_llvm_code (amodule
, code
) && (amodule
->info
.flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) ||
4239 (mono_llvm_only
&& method
&& method
->wrapper_type
== MONO_WRAPPER_NATIVE_TO_MANAGED
)) {
4240 res
= init_method (amodule
, method_index
, method
, NULL
, error
);
4245 if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
)) {
4249 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
4254 full_name
= mono_method_full_name (method
, TRUE
);
4257 jinfo
= mono_aot_find_jit_info (domain
, amodule
->assembly
->image
, code
);
4259 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT: FOUND method %s [%p - %p %p]", full_name
, code
, code
+ jinfo
->code_size
, info
);
4263 if (mono_llvm_only
) {
4266 info
= &amodule
->blob
[mono_aot_get_offset (amodule
->method_info_offsets
, method_index
)];
4268 guint8 flags
= decode_value (p
, &p
);
4269 /* The caller needs to looks this up, but its hard to do without constructing the full MonoJitInfo, so save it here */
4270 if (flags
& MONO_AOT_METHOD_FLAG_GSHAREDVT_VARIABLE
) {
4272 if (!code_to_method_flags
)
4273 code_to_method_flags
= g_hash_table_new (NULL
, NULL
);
4274 g_hash_table_insert (code_to_method_flags
, code
, GUINT_TO_POINTER (flags
));
4279 amodule_lock (amodule
);
4283 mono_atomic_inc_i32 (&mono_jit_stats
.methods_aot
);
4285 if (method
&& method
->wrapper_type
)
4286 g_hash_table_insert (amodule
->method_to_code
, method
, code
);
4288 /* Commit changes since methods_loaded is accessed outside the lock */
4289 mono_memory_barrier ();
4291 amodule
->methods_loaded
[method_index
/ 32] |= 1 << (method_index
% 32);
4293 amodule_unlock (amodule
);
4295 if (MONO_PROFILER_ENABLED (jit_begin
) || MONO_PROFILER_ENABLED (jit_done
)) {
4299 method
= mono_get_method_checked (amodule
->assembly
->image
, token
, NULL
, NULL
, error
);
4303 MONO_PROFILER_RAISE (jit_begin
, (method
));
4304 jinfo
= mono_jit_info_table_find (domain
, code
);
4306 MONO_PROFILER_RAISE (jit_done
, (method
, jinfo
));
4318 /** find_aot_method_in_amodule
4320 * \param code_amodule The AOT module containing the code pointer
4321 * \param method The method to find the code index for
4322 * \param hash_full The hash for the method
4325 find_aot_method_in_amodule (MonoAotModule
*code_amodule
, MonoMethod
*method
, guint32 hash_full
)
4328 guint32 table_size
, entry_size
, hash
;
4329 guint32
*table
, *entry
;
4331 static guint32 n_extra_decodes
;
4333 // The AOT module containing the MonoMethod
4334 // The reference to the metadata amodule will differ among multiple dedup methods
4335 // which mangle to the same name but live in different assemblies. This leads to
4336 // the caching breaking. The solution seems to be to cache using the "metadata" amodule.
4337 MonoAotModule
*metadata_amodule
= m_class_get_image (method
->klass
)->aot_module
;
4339 if (!metadata_amodule
|| metadata_amodule
->out_of_date
|| !code_amodule
|| code_amodule
->out_of_date
)
4342 table_size
= code_amodule
->extra_method_table
[0];
4343 hash
= hash_full
% table_size
;
4344 table
= code_amodule
->extra_method_table
+ 1;
4347 entry
= &table
[hash
* entry_size
];
4354 guint32 key
= entry
[0];
4355 guint32 value
= entry
[1];
4356 guint32 next
= entry
[entry_size
- 1];
4360 p
= code_amodule
->blob
+ key
;
4363 amodule_lock (metadata_amodule
);
4364 if (!metadata_amodule
->method_ref_to_method
)
4365 metadata_amodule
->method_ref_to_method
= g_hash_table_new (NULL
, NULL
);
4366 m
= (MonoMethod
*)g_hash_table_lookup (metadata_amodule
->method_ref_to_method
, p
);
4367 amodule_unlock (metadata_amodule
);
4369 m
= decode_resolve_method_ref_with_target (code_amodule
, method
, p
, &p
, error
);
4370 mono_error_cleanup (error
); /* FIXME don't swallow the error */
4372 * Can't catche runtime invoke wrappers since it would break
4373 * the check in decode_method_ref_with_target ().
4375 if (m
&& m
->wrapper_type
!= MONO_WRAPPER_RUNTIME_INVOKE
) {
4376 amodule_lock (metadata_amodule
);
4377 g_hash_table_insert (metadata_amodule
->method_ref_to_method
, orig_p
, m
);
4378 amodule_unlock (metadata_amodule
);
4386 /* Methods decoded needlessly */
4388 //printf ("%d %s %s %p\n", n_extra_decodes, mono_method_full_name (method, TRUE), mono_method_full_name (m, TRUE), orig_p);
4393 entry
= &table
[next
* entry_size
];
4398 if (index
!= 0xffffff)
4399 g_assert (index
< code_amodule
->info
.nmethods
);
4405 add_module_cb (gpointer key
, gpointer value
, gpointer user_data
)
4407 g_ptr_array_add ((GPtrArray
*)user_data
, value
);
4411 mono_aot_can_dedup (MonoMethod
*method
)
4414 /* Use a set of wrappers/instances which work and useful */
4415 switch (method
->wrapper_type
) {
4416 case MONO_WRAPPER_RUNTIME_INVOKE
:
4419 case MONO_WRAPPER_OTHER
: {
4420 WrapperInfo
*info
= mono_marshal_get_wrapper_info (method
);
4422 if (info
->subtype
== WRAPPER_SUBTYPE_PTR_TO_STRUCTURE
||
4423 info
->subtype
== WRAPPER_SUBTYPE_STRUCTURE_TO_PTR
||
4424 info
->subtype
== WRAPPER_SUBTYPE_INTERP_LMF
||
4425 info
->subtype
== WRAPPER_SUBTYPE_AOT_INIT
)
4433 if (method
->is_inflated
&& !mono_method_is_generic_sharable_full (method
, TRUE
, FALSE
, FALSE
) &&
4434 !mini_is_gsharedvt_signature (mono_method_signature_internal (method
)) &&
4435 !mini_is_gsharedvt_klass (method
->klass
))
4440 gboolean not_normal_gshared
= method
->is_inflated
&& !mono_method_is_generic_sharable_full (method
, TRUE
, FALSE
, FALSE
);
4441 gboolean extra_method
= (method
->wrapper_type
!= MONO_WRAPPER_NONE
) || not_normal_gshared
;
4443 return extra_method
;
4451 * Try finding METHOD in the extra_method table in all AOT images.
4452 * Return its method index, or 0xffffff if not found. Set OUT_AMODULE to the AOT
4453 * module where the method was found.
4456 find_aot_method (MonoMethod
*method
, MonoAotModule
**out_amodule
)
4461 guint32 hash
= mono_aot_method_hash (method
);
4463 /* Try the place we expect to have moved the method only
4464 * We don't probe, as that causes hard-to-debug issues when we fail
4465 * to find the method */
4466 if (container_amodule
&& mono_aot_can_dedup (method
)) {
4467 *out_amodule
= container_amodule
;
4468 index
= find_aot_method_in_amodule (container_amodule
, method
, hash
);
4472 /* Try the method's module first */
4473 *out_amodule
= m_class_get_image (method
->klass
)->aot_module
;
4474 index
= find_aot_method_in_amodule (m_class_get_image (method
->klass
)->aot_module
, method
, hash
);
4475 if (index
!= 0xffffff)
4479 * Try all other modules.
4480 * This is needed because generic instances klass->image points to the image
4481 * containing the generic definition, but the native code is generated to the
4482 * AOT image which contains the reference.
4485 /* Make a copy to avoid doing the search inside the aot lock */
4486 modules
= g_ptr_array_new ();
4488 g_hash_table_foreach (aot_modules
, add_module_cb
, modules
);
4492 for (i
= 0; i
< modules
->len
; ++i
) {
4493 MonoAotModule
*amodule
= (MonoAotModule
*)g_ptr_array_index (modules
, i
);
4495 if (amodule
!= m_class_get_image (method
->klass
)->aot_module
)
4496 index
= find_aot_method_in_amodule (amodule
, method
, hash
);
4497 if (index
!= 0xffffff) {
4498 *out_amodule
= amodule
;
4503 g_ptr_array_free (modules
, TRUE
);
4509 mono_aot_find_method_index (MonoMethod
*method
)
4511 MonoAotModule
*out_amodule
;
4512 return find_aot_method (method
, &out_amodule
);
4516 init_method (MonoAotModule
*amodule
, guint32 method_index
, MonoMethod
*method
, MonoClass
*init_class
, MonoError
*error
)
4518 MonoDomain
*domain
= mono_domain_get ();
4520 MonoClass
*klass_to_run_ctor
= NULL
;
4521 gboolean from_plt
= method
== NULL
;
4522 int pindex
, n_patches
;
4524 MonoJitInfo
*jinfo
= NULL
;
4525 guint8
*code
, *info
;
4526 MonoGenericContext
*context
;
4527 MonoGenericContext ctx
;
4529 memset (&ctx
, 0, sizeof (ctx
));
4533 code
= (guint8
*)amodule
->methods
[method_index
];
4534 info
= &amodule
->blob
[mono_aot_get_offset (amodule
->method_info_offsets
, method_index
)];
4538 guint8 flags
= decode_value (p
, &p
);
4539 if (flags
& MONO_AOT_METHOD_FLAG_HAS_CCTOR
)
4540 klass_to_run_ctor
= decode_klass_ref (amodule
, p
, &p
, error
);
4544 //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
4546 klass_to_run_ctor
= method
->klass
;
4549 if (flags
& MONO_AOT_METHOD_FLAG_HAS_CTX
) {
4550 decode_generic_context (amodule
, &ctx
, p
, &p
, error
);
4551 mono_error_assert_ok (error
);
4555 if (flags
& MONO_AOT_METHOD_FLAG_HAS_PATCHES
)
4556 n_patches
= decode_value (p
, &p
);
4561 MonoJumpInfo
*patches
;
4566 mp
= mono_mempool_new ();
4568 if ((gpointer
)code
>= amodule
->info
.jit_code_start
&& (gpointer
)code
<= amodule
->info
.jit_code_end
) {
4573 got
= amodule
->llvm_got
;
4577 patches
= load_patch_info (amodule
, mp
, n_patches
, llvm
, &got_slots
, p
, &p
);
4578 if (patches
== NULL
) {
4579 mono_mempool_destroy (mp
);
4583 for (pindex
= 0; pindex
< n_patches
; ++pindex
) {
4584 MonoJumpInfo
*ji
= &patches
[pindex
];
4588 * For SFLDA, we need to call resolve_patch_target () since the GOT slot could have
4589 * been initialized by load_method () for a static cctor before the cctor has
4590 * finished executing (#23242).
4592 if (!got
[got_slots
[pindex
]] || ji
->type
== MONO_PATCH_INFO_SFLDA
) {
4593 /* In llvm-only made, we might encounter shared methods */
4594 if (mono_llvm_only
&& ji
->type
== MONO_PATCH_INFO_METHOD
&& mono_method_check_context_used (ji
->data
.method
)) {
4596 ji
->data
.method
= mono_class_inflate_generic_method_checked (ji
->data
.method
, context
, error
);
4597 if (!mono_error_ok (error
)) {
4599 mono_mempool_destroy (mp
);
4603 /* This cannot be resolved in mono_resolve_patch_target () */
4604 if (ji
->type
== MONO_PATCH_INFO_AOT_JIT_INFO
) {
4605 // FIXME: Lookup using the index
4606 jinfo
= mono_aot_find_jit_info (domain
, amodule
->assembly
->image
, code
);
4607 ji
->type
= MONO_PATCH_INFO_ABS
;
4608 ji
->data
.target
= jinfo
;
4610 addr
= mono_resolve_patch_target (method
, domain
, code
, ji
, TRUE
, error
);
4611 if (!mono_error_ok (error
)) {
4613 mono_mempool_destroy (mp
);
4616 if (ji
->type
== MONO_PATCH_INFO_METHOD_JUMP
)
4617 addr
= mono_create_ftnptr (domain
, addr
);
4618 mono_memory_barrier ();
4619 got
[got_slots
[pindex
]] = addr
;
4620 if (ji
->type
== MONO_PATCH_INFO_METHOD_JUMP
)
4621 register_jump_target_got_slot (domain
, ji
->data
.method
, &(got
[got_slots
[pindex
]]));
4623 ji
->type
= MONO_PATCH_INFO_NONE
;
4628 mono_mempool_destroy (mp
);
4631 if (mini_get_debug_options ()->load_aot_jit_info_eagerly
)
4632 jinfo
= mono_aot_find_jit_info (domain
, amodule
->assembly
->image
, code
);
4637 MonoVTable
*vt
= mono_class_vtable_checked (domain
, init_class
, error
);
4641 inited_ok
= mono_runtime_class_init_full (vt
, error
);
4642 } else if (from_plt
&& klass_to_run_ctor
&& !mono_class_is_gtd (klass_to_run_ctor
)) {
4643 MonoVTable
*vt
= mono_class_vtable_checked (domain
, klass_to_run_ctor
, error
);
4647 inited_ok
= mono_runtime_class_init_full (vt
, error
);
4662 * mono_aot_init_llvmonly_method:
4664 * Initialize the method identified by METHOD_INDEX in llvmonly mode.
4667 mono_aot_init_llvmonly_method (gpointer aot_module
, guint32 method_index
, MonoClass
*init_class
, MonoError
*error
)
4669 MonoAotModule
*amodule
= (MonoAotModule
*)aot_module
;
4670 MonoMethod
*method
= NULL
;
4672 return init_method (amodule
, method_index
, method
, init_class
, error
);
4676 * mono_aot_get_method:
4678 * Return a pointer to the AOTed native code for METHOD if it can be found,
4680 * On platforms with function pointers, this doesn't return a function pointer.
4683 mono_aot_get_method (MonoDomain
*domain
, MonoMethod
*method
, MonoError
*error
)
4685 MonoClass
*klass
= method
->klass
;
4686 MonoMethod
*orig_method
= method
;
4687 guint32 method_index
;
4688 MonoAotModule
*amodule
= m_class_get_image (klass
)->aot_module
;
4690 gboolean cache_result
= FALSE
;
4691 ERROR_DECL (inner_error
);
4695 if (domain
!= mono_get_root_domain ())
4696 /* Non shared AOT code can't be used in other appdomains */
4699 if (enable_aot_cache
&& !amodule
&& domain
->entry_assembly
&& mono_is_corlib_image (m_class_get_image (klass
))) {
4700 /* This cannot be AOTed during startup, so do it now */
4701 if (!mscorlib_aot_loaded
) {
4702 mscorlib_aot_loaded
= TRUE
;
4703 load_aot_module (m_class_get_image (klass
)->assembly
, NULL
);
4704 amodule
= m_class_get_image (klass
)->aot_module
;
4711 if (amodule
->out_of_date
)
4714 if ((method
->iflags
& METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL
) ||
4715 (method
->flags
& METHOD_ATTRIBUTE_PINVOKE_IMPL
) ||
4716 (method
->iflags
& METHOD_IMPL_ATTRIBUTE_RUNTIME
) ||
4717 (method
->flags
& METHOD_ATTRIBUTE_ABSTRACT
))
4721 * Use the original method instead of its invoke-with-check wrapper.
4722 * This is not a problem when using full-aot, since it doesn't support
4725 if (mono_aot_only
&& method
->wrapper_type
== MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK
)
4726 return mono_aot_get_method (domain
, mono_marshal_method_from_wrapper (method
), error
);
4728 g_assert (m_class_is_inited (klass
));
4730 /* Find method index */
4731 method_index
= 0xffffff;
4733 gboolean dedupable
= mono_aot_can_dedup (method
);
4735 if (method
->is_inflated
&& !method
->wrapper_type
&& mono_method_is_generic_sharable_full (method
, TRUE
, FALSE
, FALSE
) && !dedupable
) {
4736 MonoMethod
*orig_method
= method
;
4738 * For generic methods, we store the fully shared instance in place of the
4741 method
= mono_method_get_declaring_generic_method (method
);
4742 method_index
= mono_metadata_token_index (method
->token
) - 1;
4744 if (amodule
->llvm_code_start
) {
4745 /* Needed by mono_aot_init_gshared_method_this () */
4746 /* orig_method is a random instance but it is enough to make init_method () work */
4747 amodule_lock (amodule
);
4748 g_hash_table_insert (amodule
->extra_methods
, GUINT_TO_POINTER (method_index
), orig_method
);
4749 amodule_unlock (amodule
);
4753 if (method_index
== 0xffffff && (method
->is_inflated
|| !method
->token
)) {
4754 /* This hash table is used to avoid the slower search in the extra_method_table in the AOT image */
4755 amodule_lock (amodule
);
4756 code
= (guint8
*)g_hash_table_lookup (amodule
->method_to_code
, method
);
4757 amodule_unlock (amodule
);
4761 cache_result
= TRUE
;
4762 if (method_index
== 0xffffff)
4763 method_index
= find_aot_method (method
, &amodule
);
4766 * Special case the ICollection<T> wrappers for arrays, as they cannot
4767 * be statically enumerated, and each wrapper ends up calling the same
4770 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_MANAGED
&& m_class_get_rank (method
->klass
) && strstr (method
->name
, "System.Collections.Generic")) {
4771 MonoMethod
*m
= mono_aot_get_array_helper_from_wrapper (method
);
4773 code
= (guint8
*)mono_aot_get_method (domain
, m
, inner_error
);
4774 mono_error_cleanup (inner_error
);
4780 * Special case Array.GetGenericValueImpl which is a generic icall.
4781 * Generic sharing currently can't handle it, but the icall returns data using
4782 * an out parameter, so the managed-to-native wrappers can share the same code.
4784 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_NATIVE
&& method
->klass
== mono_defaults
.array_class
&& !strcmp (method
->name
, "GetGenericValueImpl")) {
4786 MonoGenericContext ctx
;
4787 MonoType
*args
[16];
4789 if (mono_method_signature_internal (method
)->params
[1]->type
== MONO_TYPE_OBJECT
)
4790 /* Avoid recursion */
4793 m
= mono_class_get_method_from_name_checked (mono_defaults
.array_class
, "GetGenericValueImpl", 2, 0, error
);
4794 mono_error_assert_ok (error
);
4797 memset (&ctx
, 0, sizeof (ctx
));
4798 args
[0] = m_class_get_byval_arg (mono_defaults
.object_class
);
4799 ctx
.method_inst
= mono_metadata_get_generic_inst (1, args
);
4801 m
= mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m
, &ctx
, error
), TRUE
, TRUE
);
4803 g_error ("AOT runtime could not load method due to %s", mono_error_get_message (error
)); /* FIXME don't swallow the error */
4806 * Get the code for the <object> instantiation which should be emitted into
4807 * the mscorlib aot image by the AOT compiler.
4809 code
= (guint8
*)mono_aot_get_method (domain
, m
, inner_error
);
4810 mono_error_cleanup (inner_error
);
4815 const char *klass_name_space
= m_class_get_name_space (method
->klass
);
4816 const char *klass_name
= m_class_get_name (method
->klass
);
4817 /* Same for CompareExchange<T> and Exchange<T> */
4818 /* Same for Volatile.Read<T>/Write<T> */
4819 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_NATIVE
&& m_class_get_image (method
->klass
) == mono_defaults
.corlib
&&
4820 ((!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]))) ||
4821 (!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
)))) ||
4822 (!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])))))) {
4824 MonoGenericContext ctx
;
4825 MonoType
*args
[16];
4826 gpointer iter
= NULL
;
4828 while ((m
= mono_class_get_methods (method
->klass
, &iter
))) {
4829 if (mono_method_signature_internal (m
)->generic_param_count
&& !strcmp (m
->name
, method
->name
))
4834 memset (&ctx
, 0, sizeof (ctx
));
4835 args
[0] = mono_get_object_type ();
4836 ctx
.method_inst
= mono_metadata_get_generic_inst (1, args
);
4838 m
= mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m
, &ctx
, error
), TRUE
, TRUE
);
4840 g_error ("AOT runtime could not load method due to %s", mono_error_get_message (error
)); /* FIXME don't swallow the error */
4842 /* Avoid recursion */
4847 * Get the code for the <object> instantiation which should be emitted into
4848 * the mscorlib aot image by the AOT compiler.
4850 code
= (guint8
*)mono_aot_get_method (domain
, m
, inner_error
);
4851 mono_error_cleanup (inner_error
);
4856 /* For ARRAY_ACCESSOR wrappers with reference types, use the <object> instantiation saved in corlib */
4857 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_OTHER
) {
4858 WrapperInfo
*info
= mono_marshal_get_wrapper_info (method
);
4860 if (info
->subtype
== WRAPPER_SUBTYPE_ARRAY_ACCESSOR
) {
4861 MonoMethod
*array_method
= info
->d
.array_accessor
.method
;
4862 if (MONO_TYPE_IS_REFERENCE (m_class_get_byval_arg (m_class_get_element_class (array_method
->klass
)))) {
4865 if (!strcmp (array_method
->name
, "Set"))
4866 rank
= mono_method_signature_internal (array_method
)->param_count
- 1;
4867 else if (!strcmp (array_method
->name
, "Get") || !strcmp (array_method
->name
, "Address"))
4868 rank
= mono_method_signature_internal (array_method
)->param_count
;
4870 g_assert_not_reached ();
4871 MonoClass
*obj_array_class
= mono_class_create_array (mono_defaults
.object_class
, rank
);
4872 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
);
4873 mono_error_assert_ok (error
);
4876 m
= mono_marshal_get_array_accessor_wrapper (m
);
4878 code
= (guint8
*)mono_aot_get_method (domain
, m
, inner_error
);
4879 mono_error_cleanup (inner_error
);
4887 if (method_index
== 0xffffff && method
->is_inflated
&& mono_method_is_generic_sharable_full (method
, FALSE
, TRUE
, FALSE
)) {
4888 /* Partial sharing */
4891 shared
= mini_get_shared_method_full (method
, SHARE_MODE_NONE
, error
);
4892 return_val_if_nok (error
, NULL
);
4894 method_index
= find_aot_method (shared
, &amodule
);
4895 if (method_index
!= 0xffffff)
4899 if (method_index
== 0xffffff && method
->is_inflated
&& mono_method_is_generic_sharable_full (method
, FALSE
, FALSE
, TRUE
)) {
4902 /* Use the all-vt shared method since this is what was AOTed */
4903 shared
= mini_get_shared_method_full (method
, SHARE_MODE_GSHAREDVT
, error
);
4907 method_index
= find_aot_method (shared
, &amodule
);
4908 if (method_index
!= 0xffffff) {
4909 method
= mini_get_shared_method_full (method
, SHARE_MODE_GSHAREDVT
, error
);
4915 if (method_index
== 0xffffff) {
4916 if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
)) {
4919 full_name
= mono_method_full_name (method
, TRUE
);
4920 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT NOT FOUND: %s.", full_name
);
4926 if (method_index
== 0xffffff)
4929 /* Needed by find_jit_info */
4930 amodule_lock (amodule
);
4931 g_hash_table_insert (amodule
->extra_methods
, GUINT_TO_POINTER (method_index
), method
);
4932 amodule_unlock (amodule
);
4935 method_index
= mono_metadata_token_index (method
->token
) - 1;
4937 guint32 num_methods
= amodule
->info
.nmethods
- amodule
->info
.nextra_methods
;
4938 if (method_index
>= num_methods
)
4939 /* method not available in AOT image */
4943 code
= (guint8
*)load_method (domain
, amodule
, m_class_get_image (klass
), method
, method
->token
, method_index
, error
);
4946 if (code
&& cache_result
) {
4947 amodule_lock (amodule
);
4948 g_hash_table_insert (amodule
->method_to_code
, orig_method
, code
);
4949 amodule_unlock (amodule
);
4955 * Same as mono_aot_get_method, but we try to avoid loading any metadata from the
4959 mono_aot_get_method_from_token (MonoDomain
*domain
, MonoImage
*image
, guint32 token
, MonoError
*error
)
4961 MonoAotModule
*aot_module
= image
->aot_module
;
4970 method_index
= mono_metadata_token_index (token
) - 1;
4972 res
= load_method (domain
, aot_module
, image
, NULL
, token
, method_index
, error
);
4979 } IsGotEntryUserData
;
4982 check_is_got_entry (gpointer key
, gpointer value
, gpointer user_data
)
4984 IsGotEntryUserData
*data
= (IsGotEntryUserData
*)user_data
;
4985 MonoAotModule
*aot_module
= (MonoAotModule
*)value
;
4987 if (aot_module
->got
&& (data
->addr
>= (guint8
*)(aot_module
->got
)) && (data
->addr
< (guint8
*)(aot_module
->got
+ aot_module
->info
.got_size
)))
4992 mono_aot_is_got_entry (guint8
*code
, guint8
*addr
)
4994 IsGotEntryUserData user_data
;
4999 user_data
.addr
= addr
;
5000 user_data
.res
= FALSE
;
5002 g_hash_table_foreach (aot_modules
, check_is_got_entry
, &user_data
);
5005 return user_data
.res
;
5010 MonoAotModule
*module
;
5011 } FindAotModuleUserData
;
5014 find_aot_module_cb (gpointer key
, gpointer value
, gpointer user_data
)
5016 FindAotModuleUserData
*data
= (FindAotModuleUserData
*)user_data
;
5017 MonoAotModule
*aot_module
= (MonoAotModule
*)value
;
5019 if (amodule_contains_code_addr (aot_module
, data
->addr
))
5020 data
->module
= aot_module
;
5023 static inline MonoAotModule
*
5024 find_aot_module (guint8
*code
)
5026 FindAotModuleUserData user_data
;
5031 /* Reading these need no locking */
5032 if (((gsize
)code
< aot_code_low_addr
) || ((gsize
)code
> aot_code_high_addr
))
5035 user_data
.addr
= code
;
5036 user_data
.module
= NULL
;
5039 g_hash_table_foreach (aot_modules
, find_aot_module_cb
, &user_data
);
5042 return user_data
.module
;
5046 mono_aot_patch_plt_entry (guint8
*code
, guint8
*plt_entry
, gpointer
*got
, host_mgreg_t
*regs
, guint8
*addr
)
5048 MonoAotModule
*amodule
;
5051 * Since AOT code is only used in the root domain,
5052 * mono_domain_get () != mono_get_root_domain () means the calling method
5053 * is AppDomain:InvokeInDomain, so this is the same check as in
5054 * mono_method_same_domain () but without loading the metadata for the method.
5056 if (mono_domain_get () == mono_get_root_domain ()) {
5058 amodule
= find_aot_module (code
);
5062 mono_arch_patch_plt_entry (plt_entry
, got
, regs
, addr
);
5067 * mono_aot_plt_resolve:
5069 * This function is called by the entries in the PLT to resolve the actual method that
5070 * needs to be called. It returns a trampoline to the method and patches the PLT entry.
5071 * Returns NULL if the something cannot be loaded.
5074 mono_aot_plt_resolve (gpointer aot_module
, guint32 plt_info_offset
, guint8
*code
, MonoError
*error
)
5076 #ifdef MONO_ARCH_AOT_SUPPORTED
5077 guint8
*p
, *target
, *plt_entry
;
5079 MonoAotModule
*module
= (MonoAotModule
*)aot_module
;
5080 gboolean res
, no_ftnptr
= FALSE
;
5082 gboolean using_gsharedvt
= FALSE
;
5086 //printf ("DYN: %p %d\n", aot_module, plt_info_offset);
5088 p
= &module
->blob
[plt_info_offset
];
5090 ji
.type
= (MonoJumpInfoType
)decode_value (p
, &p
);
5092 mp
= mono_mempool_new ();
5093 res
= decode_patch (module
, mp
, &ji
, p
, &p
);
5096 mono_mempool_destroy (mp
);
5100 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
5101 using_gsharedvt
= TRUE
;
5105 * Avoid calling resolve_patch_target in the full-aot case if possible, since
5106 * it would create a trampoline, and we don't need that.
5107 * We could do this only if the method does not need the special handling
5108 * in mono_magic_trampoline ().
5110 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
) &&
5111 !mono_method_needs_static_rgctx_invoke (ji
.data
.method
, FALSE
) && !using_gsharedvt
) {
5112 target
= (guint8
*)mono_jit_compile_method (ji
.data
.method
, error
);
5113 if (!mono_error_ok (error
)) {
5114 mono_mempool_destroy (mp
);
5119 target
= (guint8
*)mono_resolve_patch_target (NULL
, mono_domain_get (), NULL
, &ji
, TRUE
, error
);
5120 if (!mono_error_ok (error
)) {
5121 mono_mempool_destroy (mp
);
5126 g_assert (ji
.type
!= MONO_PATCH_INFO_JIT_ICALL
); //temporary
5129 * The trampoline expects us to return a function descriptor on platforms which use
5130 * it, but resolve_patch_target returns a direct function pointer for some type of
5131 * patches, so have to translate between the two.
5132 * FIXME: Clean this up, but how ?
5134 if (ji
.type
== MONO_PATCH_INFO_ABS
|| ji
.type
== MONO_PATCH_INFO_JIT_ICALL_ID
||
5135 ji
.type
== MONO_PATCH_INFO_JIT_ICALL
//temporary
5136 || ji
.type
== MONO_PATCH_INFO_ICALL_ADDR
5137 || ji
.type
== MONO_PATCH_INFO_TRAMPOLINE_FUNC_ADDR
|| ji
.type
== MONO_PATCH_INFO_SPECIFIC_TRAMPOLINE_LAZY_FETCH_ADDR
5138 || ji
.type
== MONO_PATCH_INFO_JIT_ICALL_ADDR
|| ji
.type
== MONO_PATCH_INFO_RGCTX_FETCH
) {
5139 /* These should already have a function descriptor */
5140 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
5141 /* Our function descriptors have a 0 environment, gcc created ones don't */
5142 if (ji
.type
!= MONO_PATCH_INFO_JIT_ICALL_ID
&&
5143 ji
.type
!= MONO_PATCH_INFO_JIT_ICALL
//temporary
5144 && ji
.type
!= MONO_PATCH_INFO_JIT_ICALL_ADDR
&& ji
.type
!= MONO_PATCH_INFO_ICALL_ADDR
5145 && ji
.type
!= MONO_PATCH_INFO_TRAMPOLINE_FUNC_ADDR
&& ji
.type
!= MONO_PATCH_INFO_SPECIFIC_TRAMPOLINE_LAZY_FETCH_ADDR
)
5146 g_assert (((gpointer
*)target
) [2] == 0);
5149 } else if (!no_ftnptr
) {
5150 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
5151 g_assert (((gpointer
*)target
) [2] != 0);
5153 target
= (guint8
*)mono_create_ftnptr (mono_domain_get (), target
);
5156 mono_mempool_destroy (mp
);
5158 /* Patch the PLT entry with target which might be the actual method not a trampoline */
5159 plt_entry
= mono_aot_get_plt_entry (code
);
5160 g_assert (plt_entry
);
5161 mono_aot_patch_plt_entry (code
, plt_entry
, module
->got
, NULL
, target
);
5165 g_assert_not_reached ();
5173 * Initialize the PLT table of the AOT module. Called lazily when the first AOT
5174 * method in the module is loaded to avoid committing memory by writing to it.
5175 * LOCKING: Assumes the AMODULE lock is held.
5178 init_plt (MonoAotModule
*amodule
)
5183 if (amodule
->plt_inited
)
5186 if (amodule
->info
.plt_size
<= 1) {
5187 amodule
->plt_inited
= TRUE
;
5191 tramp
= mono_create_specific_trampoline (amodule
, MONO_TRAMPOLINE_AOT_PLT
, mono_get_root_domain (), NULL
);
5194 * Initialize the PLT entries in the GOT to point to the default targets.
5197 tramp
= mono_create_ftnptr (mono_domain_get (), tramp
);
5198 for (i
= 1; i
< amodule
->info
.plt_size
; ++i
)
5199 /* All the default entries point to the AOT trampoline */
5200 ((gpointer
*)amodule
->got
)[amodule
->info
.plt_got_offset_base
+ i
] = tramp
;
5202 amodule
->plt_inited
= TRUE
;
5206 * mono_aot_get_plt_entry:
5208 * Return the address of the PLT entry called by the code at CODE if exists.
5211 mono_aot_get_plt_entry (guint8
*code
)
5213 MonoAotModule
*amodule
= find_aot_module (code
);
5214 guint8
*target
= NULL
;
5220 if (is_thumb_code (amodule
, code
- 4))
5221 return mono_arm_get_thumb_plt_entry (code
);
5224 #ifdef MONO_ARCH_AOT_SUPPORTED
5225 target
= mono_arch_get_call_target (code
);
5227 g_assert_not_reached ();
5231 while (target
!= NULL
) {
5232 if ((target
>= (guint8
*)(amodule
->plt
)) && (target
< (guint8
*)(amodule
->plt_end
)))
5235 // Add 4 since mono_arch_get_call_target assumes we're passing
5236 // the instruction after the actual branch instruction.
5237 target
= mono_arch_get_call_target (target
+ 4);
5242 if ((target
>= (guint8
*)(amodule
->plt
)) && (target
< (guint8
*)(amodule
->plt_end
)))
5250 * mono_aot_get_plt_info_offset:
5252 * Return the PLT info offset belonging to the plt entry called by CODE.
5255 mono_aot_get_plt_info_offset (host_mgreg_t
*regs
, guint8
*code
)
5257 guint8
*plt_entry
= mono_aot_get_plt_entry (code
);
5259 g_assert (plt_entry
);
5261 /* The offset is embedded inside the code after the plt entry */
5262 #ifdef MONO_ARCH_AOT_SUPPORTED
5263 return mono_arch_get_plt_info_offset (plt_entry
, regs
, code
);
5265 g_assert_not_reached ();
5271 mono_create_ftnptr_malloc (guint8
*code
)
5273 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
5274 MonoPPCFunctionDescriptor
*ftnptr
= g_malloc0 (sizeof (MonoPPCFunctionDescriptor
));
5276 ftnptr
->code
= code
;
5287 * mono_aot_register_jit_icall:
5289 * Register a JIT icall which is called by trampolines in full-aot mode. This should
5290 * be called from mono_arch_init () during startup.
5293 mono_aot_register_jit_icall (const char *name
, gpointer addr
)
5295 /* No need for locking */
5296 if (!aot_jit_icall_hash
)
5297 aot_jit_icall_hash
= g_hash_table_new (g_str_hash
, g_str_equal
);
5298 g_hash_table_insert (aot_jit_icall_hash
, (char*)name
, addr
);
5302 * load_function_full:
5304 * Load the function named NAME from the aot image.
5307 load_function_full (MonoAotModule
*amodule
, const char *name
, MonoTrampInfo
**out_tinfo
)
5311 int n_patches
, pindex
;
5314 guint32 info_offset
;
5318 symbol
= g_strdup_printf ("%s", name
);
5319 find_amodule_symbol (amodule
, symbol
, (gpointer
*)&code
);
5322 g_error ("Symbol '%s' not found in AOT file '%s'.\n", name
, amodule
->aot_name
);
5324 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT: FOUND function '%s' in AOT file '%s'.", name
, amodule
->aot_name
);
5328 symbol
= g_strdup_printf ("%s_p", name
);
5329 find_amodule_symbol (amodule
, symbol
, (gpointer
*)&p
);
5332 /* Nothing to patch */
5335 info_offset
= *(guint32
*)p
;
5337 MonoTrampInfo
*tinfo
;
5338 guint32 code_size
, uw_info_len
, uw_offset
;
5340 /* Construct a MonoTrampInfo from the data in the AOT image */
5342 p
+= sizeof (guint32
);
5343 code_size
= *(guint32
*)p
;
5344 p
+= sizeof (guint32
);
5345 uw_offset
= *(guint32
*)p
;
5346 uw_info
= amodule
->unwind_info
+ uw_offset
;
5347 uw_info_len
= decode_value (uw_info
, &uw_info
);
5349 tinfo
= g_new0 (MonoTrampInfo
, 1);
5350 tinfo
->code
= (guint8
*)code
;
5351 tinfo
->code_size
= code_size
;
5352 tinfo
->uw_info_len
= uw_info_len
;
5354 tinfo
->uw_info
= uw_info
;
5359 p
= amodule
->blob
+ info_offset
;
5361 /* Similar to mono_aot_load_method () */
5363 n_patches
= decode_value (p
, &p
);
5366 MonoJumpInfo
*patches
;
5369 mp
= mono_mempool_new ();
5371 patches
= load_patch_info (amodule
, mp
, n_patches
, FALSE
, &got_slots
, p
, &p
);
5374 for (pindex
= 0; pindex
< n_patches
; ++pindex
) {
5375 MonoJumpInfo
*ji
= &patches
[pindex
];
5379 if (amodule
->got
[got_slots
[pindex
]])
5383 * When this code is executed, the runtime may not be initalized yet, so
5384 * resolve the patch info by hand.
5386 if (ji
->type
== MONO_PATCH_INFO_TRAMPOLINE_FUNC_ADDR
) {
5387 target
= (gpointer
)mono_get_trampoline_func ((MonoTrampolineType
)ji
->data
.index
);
5388 } else if (ji
->type
== MONO_PATCH_INFO_SPECIFIC_TRAMPOLINE_LAZY_FETCH_ADDR
) {
5389 target
= mono_create_specific_trampoline (GUINT_TO_POINTER (ji
->data
.uindex
), MONO_TRAMPOLINE_RGCTX_LAZY_FETCH
, mono_get_root_domain (), NULL
);
5390 target
= mono_create_ftnptr_malloc ((guint8
*)target
);
5391 } else if (ji
->type
== MONO_PATCH_INFO_JIT_ICALL_ADDR
) {
5392 if (!strcmp (ji
->data
.name
, "mono_get_lmf_addr")) {
5393 target
= (gpointer
)mono_get_lmf_addr
;
5394 } else if (!strcmp (ji
->data
.name
, "mono_thread_force_interruption_checkpoint_noraise")) {
5395 target
= (gpointer
)mono_thread_force_interruption_checkpoint_noraise
;
5396 } else if (!strcmp (ji
->data
.name
, "mono_exception_from_token")) {
5397 target
= (gpointer
)mono_exception_from_token
;
5398 } else if (!strcmp (ji
->data
.name
, "debugger_agent_single_step_from_context")) {
5399 target
= (gpointer
)mini_get_dbg_callbacks ()->single_step_from_context
;
5400 } else if (!strcmp (ji
->data
.name
, "debugger_agent_breakpoint_from_context")) {
5401 target
= (gpointer
)mini_get_dbg_callbacks ()->breakpoint_from_context
;
5402 } else if (!strcmp (ji
->data
.name
, "throw_exception_addr")) {
5403 target
= mono_get_throw_exception_addr ();
5404 } else if (!strcmp (ji
->data
.name
, "rethrow_preserve_exception_addr")) {
5405 target
= mono_get_rethrow_preserve_exception_addr ();
5406 } else if (strstr (ji
->data
.name
, "generic_trampoline_")) {
5407 target
= mono_aot_get_trampoline (ji
->data
.name
);
5408 } else if (aot_jit_icall_hash
&& g_hash_table_lookup (aot_jit_icall_hash
, ji
->data
.name
)) {
5409 /* Registered by mono_arch_init () */
5410 target
= g_hash_table_lookup (aot_jit_icall_hash
, ji
->data
.name
);
5412 fprintf (stderr
, "Unknown relocation '%s'\n", ji
->data
.name
);
5413 g_assert_not_reached ();
5417 /* Hopefully the code doesn't have patches which need method or
5420 target
= mono_resolve_patch_target (NULL
, NULL
, (guint8
*)code
, ji
, FALSE
, error
);
5421 mono_error_assert_ok (error
);
5425 amodule
->got
[got_slots
[pindex
]] = target
;
5430 mono_mempool_destroy (mp
);
5437 load_function (MonoAotModule
*amodule
, const char *name
)
5439 return load_function_full (amodule
, name
, NULL
);
5442 static MonoAotModule
*
5443 get_mscorlib_aot_module (void)
5446 MonoAotModule
*amodule
;
5448 image
= mono_defaults
.corlib
;
5450 amodule
= image
->aot_module
;
5452 amodule
= mscorlib_aot_module
;
5458 mono_no_trampolines (void);
5461 * Return the trampoline identified by NAME from the mscorlib AOT file.
5462 * On ppc64, this returns a function descriptor.
5465 mono_aot_get_trampoline_full (const char *name
, MonoTrampInfo
**out_tinfo
)
5467 MonoAotModule
*amodule
= get_mscorlib_aot_module ();
5469 if (mono_llvm_only
) {
5471 return (gpointer
)mono_no_trampolines
;
5474 return mono_create_ftnptr_malloc ((guint8
*)load_function_full (amodule
, name
, out_tinfo
));
5478 mono_aot_get_trampoline (const char *name
)
5480 MonoTrampInfo
*out_tinfo
;
5483 code
= mono_aot_get_trampoline_full (name
, &out_tinfo
);
5484 mono_aot_tramp_info_register (out_tinfo
, NULL
);
5490 read_unwind_info (MonoAotModule
*amodule
, MonoTrampInfo
*info
, const char *symbol_name
)
5492 gpointer symbol_addr
;
5493 guint32 uw_offset
, uw_info_len
;
5496 find_amodule_symbol (amodule
, symbol_name
, &symbol_addr
);
5501 uw_offset
= *(guint32
*)symbol_addr
;
5502 uw_info
= amodule
->unwind_info
+ uw_offset
;
5503 uw_info_len
= decode_value (uw_info
, &uw_info
);
5505 info
->uw_info_len
= uw_info_len
;
5507 info
->uw_info
= uw_info
;
5509 info
->uw_info
= NULL
;
5511 /* If successful return the address of the following data */
5512 return (guint32
*)symbol_addr
+ 1;
5516 #include <mach/mach.h>
5518 static TrampolinePage
* trampoline_pages
[MONO_AOT_TRAMP_NUM
];
5521 read_page_trampoline_uwinfo (MonoTrampInfo
*info
, int tramp_type
, gboolean is_generic
)
5523 char symbol_name
[128];
5525 if (tramp_type
== MONO_AOT_TRAMP_SPECIFIC
)
5526 sprintf (symbol_name
, "specific_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5527 else if (tramp_type
== MONO_AOT_TRAMP_STATIC_RGCTX
)
5528 sprintf (symbol_name
, "rgctx_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5529 else if (tramp_type
== MONO_AOT_TRAMP_IMT
)
5530 sprintf (symbol_name
, "imt_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5531 else if (tramp_type
== MONO_AOT_TRAMP_GSHAREDVT_ARG
)
5532 sprintf (symbol_name
, "gsharedvt_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5533 else if (tramp_type
== MONO_AOT_TRAMP_UNBOX_ARBITRARY
)
5534 sprintf (symbol_name
, "unbox_arbitrary_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5536 g_assert_not_reached ();
5538 read_unwind_info (mono_defaults
.corlib
->aot_module
, info
, symbol_name
);
5541 static unsigned char*
5542 get_new_trampoline_from_page (int tramp_type
)
5544 MonoAotModule
*amodule
;
5546 TrampolinePage
*page
;
5549 vm_address_t addr
, taddr
;
5551 vm_prot_t prot
, max_prot
;
5552 int psize
, specific_trampoline_size
;
5553 unsigned char *code
;
5555 specific_trampoline_size
= 2 * sizeof (gpointer
);
5557 mono_aot_page_lock ();
5558 page
= trampoline_pages
[tramp_type
];
5559 if (page
&& page
->trampolines
< page
->trampolines_end
) {
5560 code
= page
->trampolines
;
5561 page
->trampolines
+= specific_trampoline_size
;
5562 mono_aot_page_unlock ();
5565 mono_aot_page_unlock ();
5566 /* the trampoline template page is in the mscorlib module */
5567 image
= mono_defaults
.corlib
;
5570 psize
= MONO_AOT_TRAMP_PAGE_SIZE
;
5572 amodule
= image
->aot_module
;
5575 if (tramp_type
== MONO_AOT_TRAMP_SPECIFIC
)
5576 tpage
= load_function (amodule
, "specific_trampolines_page");
5577 else if (tramp_type
== MONO_AOT_TRAMP_STATIC_RGCTX
)
5578 tpage
= load_function (amodule
, "rgctx_trampolines_page");
5579 else if (tramp_type
== MONO_AOT_TRAMP_IMT
)
5580 tpage
= load_function (amodule
, "imt_trampolines_page");
5581 else if (tramp_type
== MONO_AOT_TRAMP_GSHAREDVT_ARG
)
5582 tpage
= load_function (amodule
, "gsharedvt_arg_trampolines_page");
5583 else if (tramp_type
== MONO_AOT_TRAMP_UNBOX_ARBITRARY
)
5584 tpage
= load_function (amodule
, "unbox_arbitrary_trampolines_page");
5586 g_error ("Incorrect tramp type for trampolines page");
5588 /*g_warning ("loaded trampolines page at %x", tpage);*/
5590 /* avoid the unlikely case of looping forever */
5593 while (page
== NULL
&& count
-- > 0) {
5594 MonoTrampInfo
*gen_info
, *sp_info
;
5597 /* allocate two contiguous pages of memory: the first page will contain the data (like a local constant pool)
5598 * while the second will contain the trampolines.
5601 ret
= vm_allocate (mach_task_self (), &addr
, psize
* 2, VM_FLAGS_ANYWHERE
);
5602 } while (ret
== KERN_ABORTED
);
5603 if (ret
!= KERN_SUCCESS
) {
5604 g_error ("Cannot allocate memory for trampolines: %d", ret
);
5607 /*g_warning ("allocated trampoline double page at %x", addr);*/
5608 /* replace the second page with a remapped trampoline page */
5609 taddr
= addr
+ psize
;
5610 vm_deallocate (mach_task_self (), taddr
, psize
);
5611 ret
= vm_remap (mach_task_self (), &taddr
, psize
, 0, FALSE
, mach_task_self(), (vm_address_t
)tpage
, FALSE
, &prot
, &max_prot
, VM_INHERIT_SHARE
);
5612 if (ret
!= KERN_SUCCESS
) {
5613 /* someone else got the page, try again */
5614 vm_deallocate (mach_task_self (), addr
, psize
);
5617 /*g_warning ("remapped trampoline page at %x", taddr);*/
5619 mono_aot_page_lock ();
5620 page
= trampoline_pages
[tramp_type
];
5621 /* some other thread already allocated, so use that to avoid wasting memory */
5622 if (page
&& page
->trampolines
< page
->trampolines_end
) {
5623 code
= page
->trampolines
;
5624 page
->trampolines
+= specific_trampoline_size
;
5625 mono_aot_page_unlock ();
5626 vm_deallocate (mach_task_self (), addr
, psize
);
5627 vm_deallocate (mach_task_self (), taddr
, psize
);
5630 page
= (TrampolinePage
*)addr
;
5631 page
->next
= trampoline_pages
[tramp_type
];
5632 trampoline_pages
[tramp_type
] = page
;
5633 page
->trampolines
= (guint8
*)(taddr
+ amodule
->info
.tramp_page_code_offsets
[tramp_type
]);
5634 page
->trampolines_end
= (guint8
*)(taddr
+ psize
- 64);
5635 code
= page
->trampolines
;
5636 page
->trampolines
+= specific_trampoline_size
;
5637 mono_aot_page_unlock ();
5639 /* Register the generic part at the beggining of the trampoline page */
5640 gen_info
= mono_tramp_info_create (NULL
, (guint8
*)taddr
, amodule
->info
.tramp_page_code_offsets
[tramp_type
], NULL
, NULL
);
5641 read_page_trampoline_uwinfo (gen_info
, tramp_type
, TRUE
);
5642 mono_aot_tramp_info_register (gen_info
, NULL
);
5645 * Registering each specific trampoline produces a lot of
5646 * MonoJitInfo structures. Jump trampolines are also registered
5649 if (tramp_type
!= MONO_AOT_TRAMP_SPECIFIC
) {
5650 /* Register the rest of the page as a single trampoline */
5651 sp_info
= mono_tramp_info_create (NULL
, code
, page
->trampolines_end
- code
, NULL
, NULL
);
5652 read_page_trampoline_uwinfo (sp_info
, tramp_type
, FALSE
);
5653 mono_aot_tramp_info_register (sp_info
, NULL
);
5657 g_error ("Cannot allocate more trampoline pages: %d", ret
);
5662 static unsigned char*
5663 get_new_trampoline_from_page (int tramp_type
)
5665 g_error ("Page trampolines not supported.");
5672 get_new_specific_trampoline_from_page (gpointer tramp
, gpointer arg
)
5677 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_SPECIFIC
);
5679 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5682 /*g_warning ("new trampoline at %p for data %p, tramp %p (stored at %p)", code, arg, tramp, data);*/
5688 get_new_rgctx_trampoline_from_page (gpointer tramp
, gpointer arg
)
5693 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_STATIC_RGCTX
);
5695 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5698 /*g_warning ("new rgctx trampoline at %p for data %p, tramp %p (stored at %p)", code, arg, tramp, data);*/
5704 get_new_imt_trampoline_from_page (gpointer arg
)
5709 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_IMT
);
5711 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5713 /*g_warning ("new imt trampoline at %p for data %p, (stored at %p)", code, arg, data);*/
5719 get_new_gsharedvt_arg_trampoline_from_page (gpointer tramp
, gpointer arg
)
5724 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_GSHAREDVT_ARG
);
5726 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5729 /*g_warning ("new rgctx trampoline at %p for data %p, tramp %p (stored at %p)", code, arg, tramp, data);*/
5734 get_new_unbox_arbitrary_trampoline_frome_page (gpointer addr
)
5739 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_UNBOX_ARBITRARY
);
5741 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5747 /* Return a given kind of trampoline */
5748 /* FIXME set unwind info for these trampolines */
5750 get_numerous_trampoline (MonoAotTrampoline tramp_type
, int n_got_slots
, MonoAotModule
**out_amodule
, guint32
*got_offset
, guint32
*out_tramp_size
)
5753 MonoAotModule
*amodule
= get_mscorlib_aot_module ();
5754 int index
, tramp_size
;
5756 /* Currently, we keep all trampolines in the mscorlib AOT image */
5757 image
= mono_defaults
.corlib
;
5759 *out_amodule
= amodule
;
5764 #define MONOTOUCH_TRAMPOLINES_ERROR ". See http://docs.xamarin.com/ios/troubleshooting for instructions on how to fix this condition."
5766 #define MONOTOUCH_TRAMPOLINES_ERROR ""
5768 if (amodule
->trampoline_index
[tramp_type
] == amodule
->info
.num_trampolines
[tramp_type
]) {
5769 g_error ("Ran out of trampolines of type %d in '%s' (limit %d)%s\n",
5770 tramp_type
, image
? image
->name
: MONO_ASSEMBLY_CORLIB_NAME
, amodule
->info
.num_trampolines
[tramp_type
], MONOTOUCH_TRAMPOLINES_ERROR
);
5772 index
= amodule
->trampoline_index
[tramp_type
] ++;
5776 *got_offset
= amodule
->info
.trampoline_got_offset_base
[tramp_type
] + (index
* n_got_slots
);
5778 tramp_size
= amodule
->info
.trampoline_size
[tramp_type
];
5781 *out_tramp_size
= tramp_size
;
5783 return amodule
->trampolines
[tramp_type
] + (index
* tramp_size
);
5787 no_specific_trampoline (void)
5789 g_assert_not_reached ();
5793 * Return a specific trampoline from the AOT file.
5796 mono_aot_create_specific_trampoline (MonoImage
*image
, gpointer arg1
, MonoTrampolineType tramp_type
, MonoDomain
*domain
, guint32
*code_len
)
5798 MonoAotModule
*amodule
;
5799 guint32 got_offset
, tramp_size
;
5800 guint8
*code
, *tramp
;
5801 static gpointer generic_trampolines
[MONO_TRAMPOLINE_NUM
];
5802 static gboolean inited
;
5803 static guint32 num_trampolines
;
5805 if (mono_llvm_only
) {
5807 return (gpointer
)no_specific_trampoline
;
5814 mono_counters_register ("Specific trampolines", MONO_COUNTER_JIT
| MONO_COUNTER_INT
, &num_trampolines
);
5823 if (!generic_trampolines
[tramp_type
]) {
5826 symbol
= mono_get_generic_trampoline_name (tramp_type
);
5827 generic_trampolines
[tramp_type
] = mono_aot_get_trampoline (symbol
);
5830 tramp
= (guint8
*)generic_trampolines
[tramp_type
];
5833 if (USE_PAGE_TRAMPOLINES
) {
5834 code
= (guint8
*)get_new_specific_trampoline_from_page (tramp
, arg1
);
5837 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_SPECIFIC
, 2, &amodule
, &got_offset
, &tramp_size
);
5839 amodule
->got
[got_offset
] = tramp
;
5840 amodule
->got
[got_offset
+ 1] = arg1
;
5844 *code_len
= tramp_size
;
5850 mono_aot_get_static_rgctx_trampoline (gpointer ctx
, gpointer addr
)
5852 MonoAotModule
*amodule
;
5856 if (USE_PAGE_TRAMPOLINES
) {
5857 code
= (guint8
*)get_new_rgctx_trampoline_from_page (addr
, ctx
);
5859 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_STATIC_RGCTX
, 2, &amodule
, &got_offset
, NULL
);
5861 amodule
->got
[got_offset
] = ctx
;
5862 amodule
->got
[got_offset
+ 1] = addr
;
5865 /* The caller expects an ftnptr */
5866 return mono_create_ftnptr (mono_domain_get (), code
);
5870 mono_aot_get_unbox_arbitrary_trampoline (gpointer addr
)
5872 MonoAotModule
*amodule
;
5876 if (USE_PAGE_TRAMPOLINES
) {
5877 code
= (guint8
*)get_new_unbox_arbitrary_trampoline_frome_page (addr
);
5879 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_UNBOX_ARBITRARY
, 1, &amodule
, &got_offset
, NULL
);
5880 amodule
->got
[got_offset
] = addr
;
5883 /* The caller expects an ftnptr */
5884 return mono_create_ftnptr (mono_domain_get (), code
);
5888 i32_idx_comparer (const void *key
, const void *member
)
5890 gint32 idx1
= GPOINTER_TO_INT (key
);
5891 gint32 idx2
= *(gint32
*)member
;
5896 i16_idx_comparer (const void *key
, const void *member
)
5898 int idx1
= GPOINTER_TO_INT (key
);
5899 int idx2
= *(gint16
*)member
;
5904 aot_is_slim_amodule (MonoAotModule
*amodule
)
5909 /* "slim" only applies to mscorlib.dll */
5910 if (strcmp (amodule
->aot_name
, "mscorlib"))
5913 guint32 f
= amodule
->info
.flags
;
5914 return (f
& MONO_AOT_FILE_FLAG_INTERP
) && !(f
& MONO_AOT_FILE_FLAG_FULL_AOT
);
5918 mono_aot_get_unbox_trampoline (MonoMethod
*method
, gpointer addr
)
5921 guint32 method_index
= mono_metadata_token_index (method
->token
) - 1;
5922 MonoAotModule
*amodule
;
5924 guint32
*ut
, *ut_end
, *entry
;
5925 int low
, high
, entry_index
= 0;
5926 MonoTrampInfo
*tinfo
;
5928 if (method
->is_inflated
&& !mono_method_is_generic_sharable_full (method
, FALSE
, FALSE
, FALSE
)) {
5929 method_index
= find_aot_method (method
, &amodule
);
5930 if (method_index
== 0xffffff && mono_method_is_generic_sharable_full (method
, FALSE
, TRUE
, FALSE
)) {
5931 MonoMethod
*shared
= mini_get_shared_method_full (method
, SHARE_MODE_NONE
, error
);
5932 mono_error_assert_ok (error
);
5933 method_index
= find_aot_method (shared
, &amodule
);
5935 if (method_index
== 0xffffff && mono_method_is_generic_sharable_full (method
, FALSE
, TRUE
, TRUE
)) {
5936 MonoMethod
*shared
= mini_get_shared_method_full (method
, SHARE_MODE_GSHAREDVT
, error
);
5937 mono_error_assert_ok (error
);
5939 method_index
= find_aot_method (shared
, &amodule
);
5942 amodule
= m_class_get_image (method
->klass
)->aot_module
;
5944 if (amodule
== NULL
|| method_index
== 0xffffff || aot_is_slim_amodule (amodule
)) {
5945 /* couldn't find unbox trampoline specifically generated for that
5946 * method. this should only happen when an unbox trampoline is needed
5947 * for `fullAOT code -> native-to-interp -> interp` transition if
5948 * (1) it's a virtual call
5949 * (2) the receiver is a value type, thus needs unboxing */
5950 g_assert (mono_use_interpreter
);
5951 return mono_aot_get_unbox_arbitrary_trampoline (addr
);
5954 if (amodule
->info
.llvm_unbox_tramp_indexes
) {
5955 int unbox_tramp_idx
;
5957 /* Search the llvm_unbox_tramp_indexes table using a binary search */
5958 if (amodule
->info
.llvm_unbox_tramp_elemsize
== sizeof (guint32
)) {
5959 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
);
5961 g_assert (*(int*)ptr
== method_index
);
5962 unbox_tramp_idx
= (guint32
*)ptr
- (guint32
*)amodule
->info
.llvm_unbox_tramp_indexes
;
5964 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
);
5966 g_assert (*(gint16
*)ptr
== method_index
);
5967 unbox_tramp_idx
= (guint16
*)ptr
- (guint16
*)amodule
->info
.llvm_unbox_tramp_indexes
;
5969 g_assert (unbox_tramp_idx
< amodule
->info
.llvm_unbox_tramp_num
);
5970 code
= ((gpointer
*)(amodule
->info
.llvm_unbox_trampolines
))[unbox_tramp_idx
];
5975 if (amodule
->info
.llvm_get_unbox_tramp
) {
5976 gpointer (*get_tramp
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_unbox_tramp
;
5977 code
= get_tramp (method_index
);
5983 ut
= amodule
->unbox_trampolines
;
5984 ut_end
= amodule
->unbox_trampolines_end
;
5986 /* Do a binary search in the sorted table */
5989 high
= (ut_end
- ut
);
5990 while (low
< high
) {
5991 entry_index
= (low
+ high
) / 2;
5992 entry
= &ut
[entry_index
];
5993 if (entry
[0] < method_index
) {
5994 low
= entry_index
+ 1;
5995 } else if (entry
[0] > method_index
) {
6002 code
= get_call_table_entry (amodule
->unbox_trampoline_addresses
, entry_index
);
6005 tinfo
= mono_tramp_info_create (NULL
, (guint8
*)code
, 0, NULL
, NULL
);
6007 gpointer
const symbol_addr
= read_unwind_info (amodule
, tinfo
, "unbox_trampoline_p");
6009 mono_tramp_info_free (tinfo
);
6013 tinfo
->code_size
= *(guint32
*)symbol_addr
;
6014 mono_aot_tramp_info_register (tinfo
, NULL
);
6016 /* The caller expects an ftnptr */
6017 return mono_create_ftnptr (mono_domain_get (), code
);
6021 mono_aot_get_lazy_fetch_trampoline (guint32 slot
)
6025 MonoAotModule
*amodule
= mono_defaults
.corlib
->aot_module
;
6026 guint32 index
= MONO_RGCTX_SLOT_INDEX (slot
);
6027 static int count
= 0;
6030 if (index
>= amodule
->info
.num_rgctx_fetch_trampolines
) {
6031 static gpointer addr
;
6035 * Use the general version of the rgctx fetch trampoline. It receives a pair of <slot, trampoline> in the rgctx arg reg.
6038 addr
= load_function (amodule
, "rgctx_fetch_trampoline_general");
6039 info
= (void **)mono_domain_alloc0 (mono_get_root_domain (), sizeof (gpointer
) * 2);
6040 info
[0] = GUINT_TO_POINTER (slot
);
6041 info
[1] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot
), MONO_TRAMPOLINE_RGCTX_LAZY_FETCH
, mono_get_root_domain (), NULL
);
6042 code
= mono_aot_get_static_rgctx_trampoline (info
, addr
);
6043 return mono_create_ftnptr (mono_domain_get (), code
);
6046 symbol
= mono_get_rgctx_fetch_trampoline_name (slot
);
6047 code
= load_function (mono_defaults
.corlib
->aot_module
, symbol
);
6049 /* The caller expects an ftnptr */
6050 return mono_create_ftnptr (mono_domain_get (), code
);
6054 no_imt_trampoline (void)
6056 g_assert_not_reached ();
6060 mono_aot_get_imt_trampoline (MonoVTable
*vtable
, MonoDomain
*domain
, MonoIMTCheckItem
**imt_entries
, int count
, gpointer fail_tramp
)
6065 int i
, index
, real_count
;
6066 MonoAotModule
*amodule
;
6069 return (gpointer
)no_imt_trampoline
;
6072 for (i
= 0; i
< count
; ++i
) {
6073 MonoIMTCheckItem
*item
= imt_entries
[i
];
6075 if (item
->is_equals
)
6079 /* Save the entries into an array */
6080 buf
= (void **)mono_domain_alloc (domain
, (real_count
+ 1) * 2 * sizeof (gpointer
));
6082 for (i
= 0; i
< count
; ++i
) {
6083 MonoIMTCheckItem
*item
= imt_entries
[i
];
6085 if (!item
->is_equals
)
6088 g_assert (item
->key
);
6090 buf
[(index
* 2)] = item
->key
;
6091 if (item
->has_target_code
) {
6092 gpointer
*p
= (gpointer
*)mono_domain_alloc (domain
, sizeof (gpointer
));
6093 *p
= item
->value
.target_code
;
6094 buf
[(index
* 2) + 1] = p
;
6096 buf
[(index
* 2) + 1] = &(vtable
->vtable
[item
->value
.vtable_slot
]);
6100 buf
[(index
* 2)] = NULL
;
6101 buf
[(index
* 2) + 1] = fail_tramp
;
6103 if (USE_PAGE_TRAMPOLINES
) {
6104 code
= get_new_imt_trampoline_from_page (buf
);
6106 code
= get_numerous_trampoline (MONO_AOT_TRAMP_IMT
, 1, &amodule
, &got_offset
, NULL
);
6108 amodule
->got
[got_offset
] = buf
;
6115 mono_aot_get_gsharedvt_arg_trampoline (gpointer arg
, gpointer addr
)
6117 MonoAotModule
*amodule
;
6121 if (USE_PAGE_TRAMPOLINES
) {
6122 code
= (guint8
*)get_new_gsharedvt_arg_trampoline_from_page (addr
, arg
);
6124 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_GSHAREDVT_ARG
, 2, &amodule
, &got_offset
, NULL
);
6126 amodule
->got
[got_offset
] = arg
;
6127 amodule
->got
[got_offset
+ 1] = addr
;
6130 /* The caller expects an ftnptr */
6131 return mono_create_ftnptr (mono_domain_get (), code
);
6134 #ifdef MONO_ARCH_HAVE_FTNPTR_ARG_TRAMPOLINE
6136 mono_aot_get_ftnptr_arg_trampoline (gpointer arg
, gpointer addr
)
6138 MonoAotModule
*amodule
;
6142 if (USE_PAGE_TRAMPOLINES
) {
6143 g_error ("FIXME: ftnptr_arg page trampolines");
6145 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_FTNPTR_ARG
, 2, &amodule
, &got_offset
, NULL
);
6147 amodule
->got
[got_offset
] = arg
;
6148 amodule
->got
[got_offset
+ 1] = addr
;
6151 /* The caller expects an ftnptr */
6152 return mono_create_ftnptr (mono_domain_get (), code
);
6158 * mono_aot_set_make_unreadable:
6160 * Set whenever to make all mmaped memory unreadable. In conjuction with a
6161 * SIGSEGV handler, this is useful to find out which pages the runtime tries to read.
6164 mono_aot_set_make_unreadable (gboolean unreadable
)
6168 make_unreadable
= unreadable
;
6170 if (make_unreadable
&& !inited
) {
6171 mono_counters_register ("AOT: pagefaults", MONO_COUNTER_JIT
| MONO_COUNTER_INT
, &n_pagefaults
);
6176 MonoAotModule
*module
;
6181 find_map (gpointer key
, gpointer value
, gpointer user_data
)
6183 MonoAotModule
*module
= (MonoAotModule
*)value
;
6184 FindMapUserData
*data
= (FindMapUserData
*)user_data
;
6187 if ((data
->ptr
>= module
->mem_begin
) && (data
->ptr
< module
->mem_end
))
6188 data
->module
= module
;
6191 static MonoAotModule
*
6192 find_module_for_addr (void *ptr
)
6194 FindMapUserData data
;
6196 if (!make_unreadable
)
6200 data
.ptr
= (guint8
*)ptr
;
6203 g_hash_table_foreach (aot_modules
, (GHFunc
)find_map
, &data
);
6210 * mono_aot_is_pagefault:
6212 * Should be called from a SIGSEGV signal handler to find out whenever @ptr is
6213 * within memory allocated by this module.
6216 mono_aot_is_pagefault (void *ptr
)
6218 if (!make_unreadable
)
6222 * Not signal safe, but SIGSEGV's are synchronous, and
6223 * this is only turned on by a MONO_DEBUG option.
6225 return find_module_for_addr (ptr
) != NULL
;
6229 * mono_aot_handle_pagefault:
6231 * Handle a pagefault caused by an unreadable page by making it readable again.
6234 mono_aot_handle_pagefault (void *ptr
)
6237 guint8
* start
= (guint8
*)ROUND_DOWN (((gssize
)ptr
), mono_pagesize ());
6241 res
= mono_mprotect (start
, mono_pagesize (), MONO_MMAP_READ
|MONO_MMAP_WRITE
|MONO_MMAP_EXEC
);
6242 g_assert (res
== 0);
6250 mono_aot_get_method_flags (guint8
*code
)
6254 if (!code_to_method_flags
)
6255 return MONO_AOT_METHOD_FLAG_NONE
;
6257 /* Not found and no FLAG_NONE are the same, but its not a problem */
6258 flags
= GPOINTER_TO_UINT (g_hash_table_lookup (code_to_method_flags
, code
));
6260 return (MonoAotMethodFlags
)flags
;
6267 mono_aot_init (void)
6272 mono_aot_cleanup (void)
6277 mono_aot_find_method_index (MonoMethod
*method
)
6279 g_assert_not_reached ();
6284 mono_aot_init_llvm_method (gpointer aot_module
, guint32 method_index
)
6289 mono_aot_init_gshared_method_this (gpointer aot_module
, guint32 method_index
, MonoObject
*this)
6294 mono_aot_init_gshared_method_mrgctx (gpointer aot_module
, guint32 method_index
, MonoMethodRuntimeGenericContext
*rgctx
)
6299 mono_aot_init_gshared_method_vtable (gpointer aot_module
, guint32 method_index
, MonoVTable
*vtable
)
6304 mono_aot_get_method (MonoDomain
*domain
,
6305 MonoMethod
*method
, MonoError
*error
)
6312 mono_aot_is_got_entry (guint8
*code
, guint8
*addr
)
6318 mono_aot_get_cached_class_info (MonoClass
*klass
, MonoCachedClassInfo
*res
)
6324 mono_aot_get_class_from_name (MonoImage
*image
, const char *name_space
, const char *name
, MonoClass
**klass
)
6330 mono_aot_find_jit_info (MonoDomain
*domain
, MonoImage
*image
, gpointer addr
)
6336 mono_aot_get_method_from_token (MonoDomain
*domain
, MonoImage
*image
, guint32 token
, MonoError
*error
)
6343 mono_aot_get_plt_entry (guint8
*code
)
6349 mono_aot_plt_resolve (gpointer aot_module
, guint32 plt_info_offset
, guint8
*code
, MonoError
*error
)
6355 mono_aot_patch_plt_entry (guint8
*code
, guint8
*plt_entry
, gpointer
*got
, host_mgreg_t
*regs
, guint8
*addr
)
6360 mono_aot_get_method_from_vt_slot (MonoDomain
*domain
, MonoVTable
*vtable
, int slot
, MonoError
*error
)
6368 mono_aot_get_plt_info_offset (host_mgreg_t
*regs
, guint8
*code
)
6370 g_assert_not_reached ();
6376 mono_aot_create_specific_trampoline (MonoImage
*image
, gpointer arg1
, MonoTrampolineType tramp_type
, MonoDomain
*domain
, guint32
*code_len
)
6378 g_assert_not_reached ();
6383 mono_aot_get_static_rgctx_trampoline (gpointer ctx
, gpointer addr
)
6385 g_assert_not_reached ();
6390 mono_aot_get_trampoline_full (const char *name
, MonoTrampInfo
**out_tinfo
)
6392 g_assert_not_reached ();
6397 mono_aot_get_trampoline (const char *name
)
6399 g_assert_not_reached ();
6404 mono_aot_get_unbox_arbitrary_trampoline (gpointer addr
)
6406 g_assert_not_reached ();
6411 mono_aot_get_unbox_trampoline (MonoMethod
*method
, gpointer addr
)
6413 g_assert_not_reached ();
6418 mono_aot_get_lazy_fetch_trampoline (guint32 slot
)
6420 g_assert_not_reached ();
6425 mono_aot_get_imt_trampoline (MonoVTable
*vtable
, MonoDomain
*domain
, MonoIMTCheckItem
**imt_entries
, int count
, gpointer fail_tramp
)
6427 g_assert_not_reached ();
6432 mono_aot_get_gsharedvt_arg_trampoline (gpointer arg
, gpointer addr
)
6434 g_assert_not_reached ();
6438 #ifdef MONO_ARCH_HAVE_FTNPTR_ARG_TRAMPOLINE
6440 mono_aot_get_ftnptr_arg_trampoline (gpointer arg
, gpointer addr
)
6442 g_assert_not_reached ();
6448 mono_aot_set_make_unreadable (gboolean unreadable
)
6453 mono_aot_is_pagefault (void *ptr
)
6459 mono_aot_handle_pagefault (void *ptr
)
6464 mono_aot_get_unwind_info (MonoJitInfo
*ji
, guint32
*unwind_info_len
)
6466 g_assert_not_reached ();
6471 mono_aot_register_jit_icall (const char *name
, gpointer addr
)
6476 mono_aot_get_weak_field_indexes (MonoImage
*image
)
6482 mono_aot_get_method_flags (guint8
*code
)
6484 return MONO_AOT_METHOD_FLAG_NONE
;