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
;
224 #define USE_PAGE_TRAMPOLINES (mono_defaults.corlib->aot_module->use_page_trampolines)
226 #define USE_PAGE_TRAMPOLINES 0
229 #define mono_aot_page_lock() mono_os_mutex_lock (&aot_page_mutex)
230 #define mono_aot_page_unlock() mono_os_mutex_unlock (&aot_page_mutex)
231 static mono_mutex_t aot_page_mutex
;
233 static MonoAotModule
*mscorlib_aot_module
;
235 /* Embedding API hooks to load the AOT data for AOT images compiled with MONO_AOT_FILE_FLAG_SEPARATE_DATA */
236 static MonoLoadAotDataFunc aot_data_load_func
;
237 static MonoFreeAotDataFunc aot_data_free_func
;
238 static gpointer aot_data_func_user_data
;
241 init_plt (MonoAotModule
*info
);
244 compute_llvm_code_range (MonoAotModule
*amodule
, guint8
**code_start
, guint8
**code_end
);
247 init_method (MonoAotModule
*amodule
, guint32 method_index
, MonoMethod
*method
, MonoClass
*init_class
, MonoError
*error
);
250 decode_patches (MonoAotModule
*amodule
, MonoMemPool
*mp
, int n_patches
, gboolean llvm
, guint32
*got_offsets
);
253 amodule_lock (MonoAotModule
*amodule
)
255 mono_os_mutex_lock (&amodule
->mutex
);
259 amodule_unlock (MonoAotModule
*amodule
)
261 mono_os_mutex_unlock (&amodule
->mutex
);
267 * Load one of the images referenced by AMODULE. Returns NULL if the image is not
268 * found, and sets @error for what happened
271 load_image (MonoAotModule
*amodule
, int index
, MonoError
*error
)
273 MonoAssembly
*assembly
;
274 MonoImageOpenStatus status
;
276 g_assert (index
< amodule
->image_table_len
);
280 if (amodule
->image_table
[index
])
281 return amodule
->image_table
[index
];
282 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
);
283 if (amodule
->out_of_date
) {
284 mono_error_set_bad_image_by_name (error
, amodule
->aot_name
, "Image out of date");
289 * LoadFile allows loading more than one assembly with the same name.
290 * That means that just calling mono_assembly_load is unlikely to find
291 * the correct assembly (it'll just return the first one loaded). But
292 * we shouldn't hardcode the full assembly filepath into the AOT image,
293 * so it's not obvious that we can call mono_assembly_open_predicate.
295 * In the JIT, an assembly opened with LoadFile is supposed to only
296 * refer to already-loaded assemblies (or to GAC & MONO_PATH)
297 * assemblies - so nothing new should be loading. And for the
298 * LoadFile'd assembly itself, we can check if the name and guid of the
299 * current AOT module matches the wanted name and guid and just return
300 * the AOT module's assembly.
302 if (mono_asmctx_get_kind (&amodule
->assembly
->context
) == MONO_ASMCTX_INDIVIDUAL
&&
303 !strcmp (amodule
->assembly
->image
->guid
, amodule
->image_guids
[index
]) &&
304 mono_assembly_names_equal (&amodule
->image_names
[index
], &amodule
->assembly
->aname
))
305 assembly
= amodule
->assembly
;
307 assembly
= mono_assembly_load (&amodule
->image_names
[index
], amodule
->assembly
->basedir
, &status
);
309 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
);
310 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
);
311 amodule
->out_of_date
= TRUE
;
315 if (strcmp (assembly
->image
->guid
, amodule
->image_guids
[index
])) {
316 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
);
317 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
);
318 amodule
->out_of_date
= TRUE
;
322 amodule
->image_table
[index
] = assembly
->image
;
323 return assembly
->image
;
327 decode_value (guint8
*ptr
, guint8
**rptr
)
332 if ((b
& 0x80) == 0){
335 } else if ((b
& 0x40) == 0){
336 len
= ((b
& 0x3f) << 8 | ptr
[1]);
338 } else if (b
!= 0xff) {
339 len
= ((b
& 0x1f) << 24) |
346 len
= (ptr
[1] << 24) | (ptr
[2] << 16) | (ptr
[3] << 8) | ptr
[4];
352 //printf ("DECODE: %d.\n", len);
357 * mono_aot_get_offset:
359 * Decode an offset table emitted by emit_offset_table (), returning the INDEXth
363 mono_aot_get_offset (guint32
*table
, int index
)
365 int i
, group
, ngroups
, index_entry_size
;
366 int start_offset
, offset
, group_size
;
367 guint8
*data_start
, *p
;
368 guint32
*index32
= NULL
;
369 guint16
*index16
= NULL
;
371 /* noffsets = table [0]; */
372 group_size
= table
[1];
374 index_entry_size
= table
[3];
375 group
= index
/ group_size
;
377 if (index_entry_size
== 2) {
378 index16
= (guint16
*)&table
[4];
379 data_start
= (guint8
*)&index16
[ngroups
];
380 p
= data_start
+ index16
[group
];
382 index32
= (guint32
*)&table
[4];
383 data_start
= (guint8
*)&index32
[ngroups
];
384 p
= data_start
+ index32
[group
];
387 /* offset will contain the value of offsets [group * group_size] */
388 offset
= start_offset
= decode_value (p
, &p
);
389 for (i
= group
* group_size
+ 1; i
<= index
; ++i
) {
390 offset
+= decode_value (p
, &p
);
393 //printf ("Offset lookup: %d -> %d, start=%d, p=%d\n", index, offset, start_offset, table [3 + group]);
399 decode_resolve_method_ref (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
);
402 decode_klass_ref (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
);
405 decode_type (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
);
407 static MonoGenericInst
*
408 decode_generic_inst (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
411 MonoType
**type_argv
;
412 MonoGenericInst
*inst
;
416 type_argc
= decode_value (p
, &p
);
417 type_argv
= g_new0 (MonoType
*, type_argc
);
419 for (i
= 0; i
< type_argc
; ++i
) {
420 MonoClass
*pclass
= decode_klass_ref (module
, p
, &p
, error
);
425 type_argv
[i
] = m_class_get_byval_arg (pclass
);
428 inst
= mono_metadata_get_generic_inst (type_argc
, type_argv
);
437 decode_generic_context (MonoAotModule
*amodule
, MonoGenericContext
*ctx
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
441 guint32 offset
, flags
;
443 /* Either the class_inst or method_inst offset */
444 flags
= decode_value (p
, &p
);
447 offset
= decode_value (p
, &p
);
448 p2
= amodule
->blob
+ offset
;
449 ctx
->class_inst
= decode_generic_inst (amodule
, p2
, &p2
, error
);
450 if (!ctx
->class_inst
)
454 offset
= decode_value (p
, &p
);
455 p2
= amodule
->blob
+ offset
;
456 ctx
->method_inst
= decode_generic_inst (amodule
, p2
, &p2
, error
);
457 if (!ctx
->method_inst
)
466 decode_klass_ref (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
469 MonoClass
*klass
= NULL
, *eklass
;
470 guint32 token
, rank
, idx
;
475 reftype
= decode_value (p
, &p
);
478 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Decoding a null class ref");
483 case MONO_AOT_TYPEREF_TYPEDEF_INDEX
:
484 idx
= decode_value (p
, &p
);
485 image
= load_image (module
, 0, error
);
488 klass
= mono_class_get_checked (image
, MONO_TOKEN_TYPE_DEF
+ idx
, error
);
490 case MONO_AOT_TYPEREF_TYPEDEF_INDEX_IMAGE
:
491 idx
= decode_value (p
, &p
);
492 image
= load_image (module
, decode_value (p
, &p
), error
);
495 klass
= mono_class_get_checked (image
, MONO_TOKEN_TYPE_DEF
+ idx
, error
);
497 case MONO_AOT_TYPEREF_TYPESPEC_TOKEN
:
498 token
= decode_value (p
, &p
);
499 image
= module
->assembly
->image
;
501 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "No image associated with the aot module");
504 klass
= mono_class_get_checked (image
, token
, error
);
506 case MONO_AOT_TYPEREF_GINST
: {
508 MonoGenericContext ctx
;
511 gclass
= decode_klass_ref (module
, p
, &p
, error
);
514 g_assert (mono_class_is_gtd (gclass
));
516 memset (&ctx
, 0, sizeof (ctx
));
517 guint32 offset
= decode_value (p
, &p
);
518 guint8
*p2
= module
->blob
+ offset
;
519 ctx
.class_inst
= decode_generic_inst (module
, p2
, &p2
, error
);
522 type
= mono_class_inflate_generic_type_checked (m_class_get_byval_arg (gclass
), &ctx
, error
);
525 klass
= mono_class_from_mono_type_internal (type
);
526 mono_metadata_free_type (type
);
529 case MONO_AOT_TYPEREF_VAR
: {
531 MonoGenericContainer
*container
= NULL
;
532 gboolean has_constraint
= decode_value (p
, &p
);
534 if (has_constraint
) {
535 MonoClass
*par_klass
;
536 MonoType
*gshared_constraint
;
538 gshared_constraint
= decode_type (module
, p
, &p
, error
);
539 if (!gshared_constraint
)
542 par_klass
= decode_klass_ref (module
, p
, &p
, error
);
546 t
= mini_get_shared_gparam (m_class_get_byval_arg (par_klass
), gshared_constraint
);
547 mono_metadata_free_type (gshared_constraint
);
548 klass
= mono_class_from_mono_type_internal (t
);
550 int type
= decode_value (p
, &p
);
551 int num
= decode_value (p
, &p
);
552 gboolean is_not_anonymous
= decode_value (p
, &p
);
554 if (is_not_anonymous
) {
555 gboolean is_method
= decode_value (p
, &p
);
558 MonoMethod
*method_def
;
559 g_assert (type
== MONO_TYPE_MVAR
);
560 method_def
= decode_resolve_method_ref (module
, p
, &p
, error
);
564 container
= mono_method_get_generic_container (method_def
);
566 MonoClass
*class_def
;
567 g_assert (type
== MONO_TYPE_VAR
);
568 class_def
= decode_klass_ref (module
, p
, &p
, error
);
572 container
= mono_class_try_get_generic_container (class_def
); //FIXME is this a case for a try_get?
575 // We didn't decode is_method, so we have to infer it from type enum.
576 container
= mono_get_anonymous_container_for_image (module
->assembly
->image
, type
== MONO_TYPE_MVAR
);
579 t
= g_new0 (MonoType
, 1);
580 t
->type
= (MonoTypeEnum
)type
;
581 if (is_not_anonymous
) {
582 t
->data
.generic_param
= mono_generic_container_get_param (container
, num
);
585 MonoGenericParam
*par
= mono_metadata_create_anon_gparam (module
->assembly
->image
, num
, type
== MONO_TYPE_MVAR
);
586 t
->data
.generic_param
= par
;
587 // FIXME: maybe do this for all anon gparams?
588 ((MonoGenericParamFull
*)par
)->info
.name
= mono_make_generic_name_string (module
->assembly
->image
, num
);
590 // FIXME: Maybe use types directly to avoid
591 // the overhead of creating MonoClass-es
592 klass
= mono_class_from_mono_type_internal (t
);
598 case MONO_AOT_TYPEREF_ARRAY
:
600 rank
= decode_value (p
, &p
);
601 eklass
= decode_klass_ref (module
, p
, &p
, error
);
604 klass
= mono_class_create_array (eklass
, rank
);
606 case MONO_AOT_TYPEREF_PTR
: {
609 t
= decode_type (module
, p
, &p
, error
);
612 klass
= mono_class_from_mono_type_internal (t
);
616 case MONO_AOT_TYPEREF_BLOB_INDEX
: {
617 guint32 offset
= decode_value (p
, &p
);
620 p2
= module
->blob
+ offset
;
621 klass
= decode_klass_ref (module
, p2
, &p2
, error
);
625 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Invalid klass reftype %d", reftype
);
628 //printf ("BLA: %s\n", mono_type_full_name (m_class_get_byval_arg (klass)));
633 static MonoClassField
*
634 decode_field_info (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
)
637 MonoClass
*klass
= decode_klass_ref (module
, buf
, &buf
, error
);
642 mono_error_cleanup (error
); /* FIXME don't swallow the error */
646 token
= MONO_TOKEN_FIELD_DEF
+ decode_value (p
, &p
);
650 return mono_class_get_field (klass
, token
);
654 * Parse a MonoType encoded by encode_type () in aot-compiler.c. Return malloc-ed
658 decode_type (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
663 if (*p
== MONO_TYPE_CMOD_REQD
) {
666 int count
= decode_value (p
, &p
);
668 /* TODO: encode aggregate cmods differently than simple cmods and make it possible to use the more compact encoding here. */
669 t
= (MonoType
*)g_malloc0 (mono_sizeof_type_with_mods (count
, TRUE
));
670 mono_type_with_mods_init (t
, count
, TRUE
);
672 /* Try not to blow up the stack. See comment on MONO_MAX_EXPECTED_CMODS */
673 g_assert (count
< MONO_MAX_EXPECTED_CMODS
);
674 MonoAggregateModContainer
*cm
= g_alloca (mono_sizeof_aggregate_modifiers (count
));
676 for (int i
= 0; i
< count
; ++i
) {
677 MonoSingleCustomMod
*cmod
= &cm
->modifiers
[i
];
678 cmod
->required
= decode_value (p
, &p
);
679 cmod
->type
= decode_type (module
, p
, &p
, error
);
680 goto_if_nok (error
, fail
);
683 mono_type_set_amods (t
, mono_metadata_get_canonical_aggregate_modifiers (cm
));
684 for (int i
= 0; i
< count
; ++i
)
685 mono_metadata_free_type (cm
->modifiers
[i
].type
);
687 t
= (MonoType
*) g_malloc0 (MONO_SIZEOF_TYPE
);
691 if (*p
== MONO_TYPE_PINNED
) {
694 } else if (*p
== MONO_TYPE_BYREF
) {
702 t
->type
= (MonoTypeEnum
)*p
;
707 case MONO_TYPE_BOOLEAN
:
721 case MONO_TYPE_STRING
:
722 case MONO_TYPE_OBJECT
:
723 case MONO_TYPE_TYPEDBYREF
:
725 case MONO_TYPE_VALUETYPE
:
726 case MONO_TYPE_CLASS
:
727 t
->data
.klass
= decode_klass_ref (module
, p
, &p
, error
);
731 case MONO_TYPE_SZARRAY
:
732 t
->data
.klass
= decode_klass_ref (module
, p
, &p
, error
);
738 t
->data
.type
= decode_type (module
, p
, &p
, error
);
742 case MONO_TYPE_GENERICINST
: {
744 MonoGenericContext ctx
;
748 gclass
= decode_klass_ref (module
, p
, &p
, error
);
751 g_assert (mono_class_is_gtd (gclass
));
753 memset (&ctx
, 0, sizeof (ctx
));
754 ctx
.class_inst
= decode_generic_inst (module
, p
, &p
, error
);
757 type
= mono_class_inflate_generic_type_checked (m_class_get_byval_arg (gclass
), &ctx
, error
);
760 klass
= mono_class_from_mono_type_internal (type
);
761 t
->data
.generic_class
= mono_class_get_generic_class (klass
);
764 case MONO_TYPE_ARRAY
: {
765 MonoArrayType
*array
;
768 // FIXME: memory management
769 array
= g_new0 (MonoArrayType
, 1);
770 array
->eklass
= decode_klass_ref (module
, p
, &p
, error
);
773 array
->rank
= decode_value (p
, &p
);
774 array
->numsizes
= decode_value (p
, &p
);
777 array
->sizes
= (int *)g_malloc0 (sizeof (int) * array
->numsizes
);
778 for (i
= 0; i
< array
->numsizes
; ++i
)
779 array
->sizes
[i
] = decode_value (p
, &p
);
781 array
->numlobounds
= decode_value (p
, &p
);
782 if (array
->numlobounds
)
783 array
->lobounds
= (int *)g_malloc0 (sizeof (int) * array
->numlobounds
);
784 for (i
= 0; i
< array
->numlobounds
; ++i
)
785 array
->lobounds
[i
] = decode_value (p
, &p
);
786 t
->data
.array
= array
;
790 case MONO_TYPE_MVAR
: {
791 MonoClass
*klass
= decode_klass_ref (module
, p
, &p
, error
);
794 t
->data
.generic_param
= m_class_get_byval_arg (klass
)->data
.generic_param
;
798 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Invalid encoded type %d", t
->type
);
810 // FIXME: Error handling, memory management
812 static MonoMethodSignature
*
813 decode_signature_with_target (MonoAotModule
*module
, MonoMethodSignature
*target
, guint8
*buf
, guint8
**endbuf
)
816 MonoMethodSignature
*sig
;
818 int i
, gen_param_count
= 0, param_count
, call_conv
;
820 gboolean hasthis
, explicit_this
, has_gen_params
;
824 has_gen_params
= (flags
& 0x10) != 0;
825 hasthis
= (flags
& 0x20) != 0;
826 explicit_this
= (flags
& 0x40) != 0;
827 call_conv
= flags
& 0x0F;
830 gen_param_count
= decode_value (p
, &p
);
831 param_count
= decode_value (p
, &p
);
832 if (target
&& param_count
!= target
->param_count
)
834 sig
= (MonoMethodSignature
*)g_malloc0 (MONO_SIZEOF_METHOD_SIGNATURE
+ param_count
* sizeof (MonoType
*));
835 sig
->param_count
= param_count
;
836 sig
->sentinelpos
= -1;
837 sig
->hasthis
= hasthis
;
838 sig
->explicit_this
= explicit_this
;
839 sig
->call_convention
= call_conv
;
840 sig
->generic_param_count
= gen_param_count
;
841 sig
->ret
= decode_type (module
, p
, &p
, error
);
844 for (i
= 0; i
< param_count
; ++i
) {
845 if (*p
== MONO_TYPE_SENTINEL
) {
846 g_assert (sig
->call_convention
== MONO_CALL_VARARG
);
847 sig
->sentinelpos
= i
;
850 sig
->params
[i
] = decode_type (module
, p
, &p
, error
);
851 if (!sig
->params
[i
])
855 if (sig
->call_convention
== MONO_CALL_VARARG
&& sig
->sentinelpos
== -1)
856 sig
->sentinelpos
= sig
->param_count
;
862 mono_error_cleanup (error
); /* FIXME don't swallow the error */
867 static MonoMethodSignature
*
868 decode_signature (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
)
870 return decode_signature_with_target (module
, NULL
, buf
, endbuf
);
874 sig_matches_target (MonoAotModule
*module
, MonoMethod
*target
, guint8
*buf
, guint8
**endbuf
)
876 MonoMethodSignature
*sig
;
880 sig
= decode_signature_with_target (module
, mono_method_signature_internal (target
), p
, &p
);
881 res
= sig
&& mono_metadata_signature_equal (mono_method_signature_internal (target
), sig
);
887 /* Stores information returned by decode_method_ref () */
892 gboolean no_aot_trampoline
;
896 * decode_method_ref_with_target:
898 * Decode a method reference, storing the image/token into a MethodRef structure.
899 * This avoids loading metadata for the method if the caller does not need it. If the method has
900 * no token, then it is loaded from metadata and ref->method is set to the method instance.
901 * If TARGET is non-NULL, abort decoding if it can be determined that the decoded method
902 * couldn't resolve to TARGET, and return FALSE.
903 * There are some kinds of method references which only support a non-null TARGET.
904 * This means that its not possible to decode this into a method, only to check
905 * that the method reference matches a given method. This is normally not a problem
906 * as these wrappers only occur in the extra_methods table, where we already have
907 * a method we want to lookup.
909 * If there was a decoding error, we return FALSE and set @error
912 decode_method_ref_with_target (MonoAotModule
*module
, MethodRef
*ref
, MonoMethod
*target
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
914 guint32 image_index
, value
;
915 MonoImage
*image
= NULL
;
918 memset (ref
, 0, sizeof (MethodRef
));
921 value
= decode_value (p
, &p
);
922 image_index
= value
>> 24;
924 if (image_index
== MONO_AOT_METHODREF_NO_AOT_TRAMPOLINE
) {
925 ref
->no_aot_trampoline
= TRUE
;
926 value
= decode_value (p
, &p
);
927 image_index
= value
>> 24;
930 if (image_index
< MONO_AOT_METHODREF_MIN
|| image_index
== MONO_AOT_METHODREF_METHODSPEC
||
931 image_index
== MONO_AOT_METHODREF_GINST
|| image_index
== MONO_AOT_METHODREF_BLOB_INDEX
) {
932 if (target
&& target
->wrapper_type
) {
937 if (image_index
== MONO_AOT_METHODREF_WRAPPER
) {
939 guint32 wrapper_type
;
941 wrapper_type
= decode_value (p
, &p
);
943 if (target
&& target
->wrapper_type
!= wrapper_type
)
947 image
= mono_defaults
.corlib
;
949 switch (wrapper_type
) {
950 #ifndef DISABLE_REMOTING
951 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK
: {
952 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
955 mono_class_init_internal (m
->klass
);
959 ref
->method
= mono_marshal_get_remoting_invoke_with_check (m
, error
);
960 return_val_if_nok (error
, FALSE
);
964 case MONO_WRAPPER_PROXY_ISINST
: {
965 MonoClass
*klass
= decode_klass_ref (module
, p
, &p
, error
);
968 ref
->method
= mono_marshal_get_proxy_cancast (klass
);
971 case MONO_WRAPPER_LDFLD
:
972 case MONO_WRAPPER_LDFLDA
:
973 case MONO_WRAPPER_STFLD
: {
974 MonoClass
*klass
= decode_klass_ref (module
, p
, &p
, error
);
977 MonoType
*type
= m_class_get_byval_arg (klass
);
978 if (wrapper_type
== MONO_WRAPPER_LDFLD
)
979 ref
->method
= mono_marshal_get_ldfld_wrapper (type
);
980 else if (wrapper_type
== MONO_WRAPPER_LDFLDA
)
981 ref
->method
= mono_marshal_get_ldflda_wrapper (type
);
982 else if (wrapper_type
== MONO_WRAPPER_STFLD
)
983 ref
->method
= mono_marshal_get_stfld_wrapper (type
);
985 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Unknown AOT wrapper type %d", wrapper_type
);
991 case MONO_WRAPPER_ALLOC
: {
992 int atype
= decode_value (p
, &p
);
993 ManagedAllocatorVariant variant
=
994 mono_profiler_allocations_enabled () ?
995 MANAGED_ALLOCATOR_PROFILER
: MANAGED_ALLOCATOR_REGULAR
;
997 ref
->method
= mono_gc_get_managed_allocator_by_type (atype
, variant
);
998 /* Try to fallback to the slow path version */
1000 ref
->method
= mono_gc_get_managed_allocator_by_type (atype
, MANAGED_ALLOCATOR_SLOW_PATH
);
1002 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");
1007 case MONO_WRAPPER_WRITE_BARRIER
: {
1008 ref
->method
= mono_gc_get_write_barrier ();
1011 case MONO_WRAPPER_STELEMREF
: {
1012 int subtype
= decode_value (p
, &p
);
1014 if (subtype
== WRAPPER_SUBTYPE_NONE
) {
1015 ref
->method
= mono_marshal_get_stelemref ();
1016 } else if (subtype
== WRAPPER_SUBTYPE_VIRTUAL_STELEMREF
) {
1019 kind
= decode_value (p
, &p
);
1021 /* Can't decode this */
1024 if (target
->wrapper_type
== MONO_WRAPPER_STELEMREF
) {
1025 info
= mono_marshal_get_wrapper_info (target
);
1028 if (info
->subtype
== subtype
&& info
->d
.virtual_stelemref
.kind
== kind
)
1029 ref
->method
= target
;
1036 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Invalid STELEMREF subtype %d", subtype
);
1041 case MONO_WRAPPER_SYNCHRONIZED
: {
1042 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1045 ref
->method
= mono_marshal_get_synchronized_wrapper (m
);
1048 case MONO_WRAPPER_OTHER
: {
1049 int subtype
= decode_value (p
, &p
);
1051 if (subtype
== WRAPPER_SUBTYPE_PTR_TO_STRUCTURE
|| subtype
== WRAPPER_SUBTYPE_STRUCTURE_TO_PTR
) {
1052 MonoClass
*klass
= decode_klass_ref (module
, p
, &p
, error
);
1058 if (klass
!= target
->klass
)
1061 if (subtype
== WRAPPER_SUBTYPE_PTR_TO_STRUCTURE
) {
1062 if (strcmp (target
->name
, "PtrToStructure"))
1064 ref
->method
= mono_marshal_get_ptr_to_struct (klass
);
1066 if (strcmp (target
->name
, "StructureToPtr"))
1068 ref
->method
= mono_marshal_get_struct_to_ptr (klass
);
1070 } else if (subtype
== WRAPPER_SUBTYPE_SYNCHRONIZED_INNER
) {
1071 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1074 ref
->method
= mono_marshal_get_synchronized_inner_wrapper (m
);
1075 } else if (subtype
== WRAPPER_SUBTYPE_ARRAY_ACCESSOR
) {
1076 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1079 ref
->method
= mono_marshal_get_array_accessor_wrapper (m
);
1080 } else if (subtype
== WRAPPER_SUBTYPE_GSHAREDVT_IN
) {
1081 ref
->method
= mono_marshal_get_gsharedvt_in_wrapper ();
1082 } else if (subtype
== WRAPPER_SUBTYPE_GSHAREDVT_OUT
) {
1083 ref
->method
= mono_marshal_get_gsharedvt_out_wrapper ();
1084 } else if (subtype
== WRAPPER_SUBTYPE_INTERP_IN
) {
1085 MonoMethodSignature
*sig
= decode_signature (module
, p
, &p
);
1088 ref
->method
= mini_get_interp_in_wrapper (sig
);
1090 } else if (subtype
== WRAPPER_SUBTYPE_INTERP_LMF
) {
1091 MonoJitICallInfo
*info
= mono_find_jit_icall_info ((MonoJitICallId
)decode_value (p
, &p
));
1092 ref
->method
= mini_get_interp_lmf_wrapper (info
->name
, (gpointer
) info
->func
);
1093 } else if (subtype
== WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG
) {
1094 MonoMethodSignature
*sig
= decode_signature (module
, p
, &p
);
1097 ref
->method
= mini_get_gsharedvt_in_sig_wrapper (sig
);
1099 } else if (subtype
== WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG
) {
1100 MonoMethodSignature
*sig
= decode_signature (module
, p
, &p
);
1103 ref
->method
= mini_get_gsharedvt_out_sig_wrapper (sig
);
1105 } else if (subtype
== WRAPPER_SUBTYPE_AOT_INIT
) {
1106 guint32 init_type
= decode_value (p
, &p
);
1107 ref
->method
= mono_marshal_get_aot_init_wrapper ((MonoAotInitSubtype
) init_type
);
1109 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Invalid UNKNOWN wrapper subtype %d", subtype
);
1114 case MONO_WRAPPER_MANAGED_TO_MANAGED
: {
1115 int subtype
= decode_value (p
, &p
);
1117 if (subtype
== WRAPPER_SUBTYPE_ELEMENT_ADDR
) {
1118 int rank
= decode_value (p
, &p
);
1119 int elem_size
= decode_value (p
, &p
);
1121 ref
->method
= mono_marshal_get_array_address (rank
, elem_size
);
1122 } else if (subtype
== WRAPPER_SUBTYPE_STRING_CTOR
) {
1125 m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1131 g_assert (target
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_MANAGED
);
1133 info
= mono_marshal_get_wrapper_info (target
);
1134 if (info
&& info
->subtype
== subtype
&& info
->d
.string_ctor
.method
== m
)
1135 ref
->method
= target
;
1141 case MONO_WRAPPER_MANAGED_TO_NATIVE
: {
1143 int subtype
= decode_value (p
, &p
);
1145 if (subtype
== WRAPPER_SUBTYPE_ICALL_WRAPPER
) {
1146 MonoJitICallInfo
*info
= mono_find_jit_icall_info ((MonoJitICallId
)decode_value (p
, &p
));
1147 ref
->method
= mono_icall_get_wrapper_method (info
);
1149 m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1153 /* This should only happen when looking for an extra method */
1156 if (mono_marshal_method_from_wrapper (target
) == m
)
1157 ref
->method
= target
;
1163 case MONO_WRAPPER_CASTCLASS
: {
1164 int subtype
= decode_value (p
, &p
);
1166 if (subtype
== WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE
)
1167 ref
->method
= mono_marshal_get_castclass_with_cache ();
1168 else if (subtype
== WRAPPER_SUBTYPE_ISINST_WITH_CACHE
)
1169 ref
->method
= mono_marshal_get_isinst_with_cache ();
1171 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Invalid CASTCLASS wrapper subtype %d", subtype
);
1176 case MONO_WRAPPER_RUNTIME_INVOKE
: {
1177 int subtype
= decode_value (p
, &p
);
1182 if (subtype
== WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC
) {
1183 if (strcmp (target
->name
, "runtime_invoke_dynamic") != 0)
1185 ref
->method
= target
;
1186 } else if (subtype
== WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT
) {
1187 /* Direct wrapper */
1188 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1191 ref
->method
= mono_marshal_get_runtime_invoke (m
, FALSE
);
1192 } else if (subtype
== WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL
) {
1193 /* Virtual direct wrapper */
1194 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1197 ref
->method
= mono_marshal_get_runtime_invoke (m
, TRUE
);
1199 MonoMethodSignature
*sig
;
1201 sig
= decode_signature_with_target (module
, NULL
, p
, &p
);
1202 info
= mono_marshal_get_wrapper_info (target
);
1205 if (info
->subtype
!= subtype
) {
1209 g_assert (info
->d
.runtime_invoke
.sig
);
1210 const gboolean same_sig
= mono_metadata_signature_equal (sig
, info
->d
.runtime_invoke
.sig
);
1213 ref
->method
= target
;
1219 case MONO_WRAPPER_DELEGATE_INVOKE
:
1220 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE
:
1221 case MONO_WRAPPER_DELEGATE_END_INVOKE
: {
1222 gboolean is_inflated
= decode_value (p
, &p
);
1223 WrapperSubtype subtype
;
1227 MonoMethod
*invoke
, *wrapper
;
1229 klass
= decode_klass_ref (module
, p
, &p
, error
);
1233 switch (wrapper_type
) {
1234 case MONO_WRAPPER_DELEGATE_INVOKE
:
1235 invoke
= mono_get_delegate_invoke_internal (klass
);
1236 wrapper
= mono_marshal_get_delegate_invoke (invoke
, NULL
);
1238 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE
:
1239 invoke
= mono_get_delegate_begin_invoke_internal (klass
);
1240 wrapper
= mono_marshal_get_delegate_begin_invoke (invoke
);
1242 case MONO_WRAPPER_DELEGATE_END_INVOKE
:
1243 invoke
= mono_get_delegate_end_invoke_internal (klass
);
1244 wrapper
= mono_marshal_get_delegate_end_invoke (invoke
);
1247 g_assert_not_reached ();
1252 * Due to the way mini_get_shared_method_full () works, we could end up with
1253 * multiple copies of the same wrapper.
1255 if (wrapper
->klass
!= target
->klass
)
1257 ref
->method
= target
;
1259 ref
->method
= wrapper
;
1263 * These wrappers are associated with a signature, not with a method.
1264 * Since we can't decode them into methods, they need a target method.
1269 if (wrapper_type
== MONO_WRAPPER_DELEGATE_INVOKE
) {
1270 subtype
= (WrapperSubtype
)decode_value (p
, &p
);
1271 info
= mono_marshal_get_wrapper_info (target
);
1273 if (info
->subtype
!= subtype
)
1276 if (subtype
!= WRAPPER_SUBTYPE_NONE
)
1280 if (sig_matches_target (module
, target
, p
, &p
))
1281 ref
->method
= target
;
1287 case MONO_WRAPPER_NATIVE_TO_MANAGED
: {
1291 m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1294 klass
= decode_klass_ref (module
, p
, &p
, error
);
1297 ref
->method
= mono_marshal_get_managed_wrapper (m
, klass
, 0, error
);
1298 if (!mono_error_ok (error
))
1303 g_assert_not_reached ();
1305 } else if (image_index
== MONO_AOT_METHODREF_METHODSPEC
) {
1306 image_index
= decode_value (p
, &p
);
1307 ref
->token
= decode_value (p
, &p
);
1309 image
= load_image (module
, image_index
, error
);
1312 } else if (image_index
== MONO_AOT_METHODREF_BLOB_INDEX
) {
1313 guint32 offset
= decode_value (p
, &p
);
1317 p2
= module
->blob
+ offset
;
1318 if (!decode_method_ref_with_target (module
, ref
, target
, p2
, &p2
, error
))
1323 } else if (image_index
== MONO_AOT_METHODREF_GINST
) {
1325 MonoGenericContext ctx
;
1326 guint32 token_index
;
1329 * These methods do not have a token which resolves them, so we
1330 * resolve them immediately.
1332 klass
= decode_klass_ref (module
, p
, &p
, error
);
1336 if (target
&& target
->klass
!= klass
)
1339 image_index
= decode_value (p
, &p
);
1340 token_index
= decode_value (p
, &p
);
1341 ref
->token
= mono_metadata_make_token (MONO_TABLE_METHOD
, token_index
);
1343 image
= load_image (module
, image_index
, error
);
1347 ref
->method
= mono_get_method_checked (image
, ref
->token
, NULL
, NULL
, error
);
1351 memset (&ctx
, 0, sizeof (ctx
));
1353 if (FALSE
&& mono_class_is_ginst (klass
)) {
1354 ctx
.class_inst
= mono_class_get_generic_class (klass
)->context
.class_inst
;
1355 ctx
.method_inst
= NULL
;
1357 ref
->method
= mono_class_inflate_generic_method_full_checked (ref
->method
, klass
, &ctx
, error
);
1362 memset (&ctx
, 0, sizeof (ctx
));
1364 if (!decode_generic_context (module
, &ctx
, p
, &p
, error
))
1367 ref
->method
= mono_class_inflate_generic_method_full_checked (ref
->method
, klass
, &ctx
, error
);
1371 } else if (image_index
== MONO_AOT_METHODREF_ARRAY
) {
1375 klass
= decode_klass_ref (module
, p
, &p
, error
);
1378 method_type
= decode_value (p
, &p
);
1379 switch (method_type
) {
1381 ref
->method
= mono_class_get_method_from_name_checked (klass
, ".ctor", m_class_get_rank (klass
), 0, error
);
1382 return_val_if_nok (error
, FALSE
);
1385 ref
->method
= mono_class_get_method_from_name_checked (klass
, ".ctor", m_class_get_rank (klass
) * 2, 0, error
);
1386 return_val_if_nok (error
, FALSE
);
1389 ref
->method
= mono_class_get_method_from_name_checked (klass
, "Get", -1, 0, error
);
1390 return_val_if_nok (error
, FALSE
);
1393 ref
->method
= mono_class_get_method_from_name_checked (klass
, "Address", -1, 0, error
);
1394 return_val_if_nok (error
, FALSE
);
1397 ref
->method
= mono_class_get_method_from_name_checked (klass
, "Set", -1, 0, error
);
1398 return_val_if_nok (error
, FALSE
);
1401 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "Invalid METHODREF_ARRAY method type %d", method_type
);
1405 if (image_index
== MONO_AOT_METHODREF_LARGE_IMAGE_INDEX
) {
1406 image_index
= decode_value (p
, &p
);
1407 value
= decode_value (p
, &p
);
1410 ref
->token
= MONO_TOKEN_METHOD_DEF
| (value
& 0xffffff);
1412 image
= load_image (module
, image_index
, error
);
1425 decode_method_ref (MonoAotModule
*module
, MethodRef
*ref
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
1427 return decode_method_ref_with_target (module
, ref
, NULL
, buf
, endbuf
, error
);
1431 * decode_resolve_method_ref_with_target:
1433 * Similar to decode_method_ref, but resolve and return the method itself.
1436 decode_resolve_method_ref_with_target (MonoAotModule
*module
, MonoMethod
*target
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
1442 if (!decode_method_ref_with_target (module
, &ref
, target
, buf
, endbuf
, error
))
1447 mono_error_set_bad_image_by_name (error
, module
->aot_name
, "No image found for methodref with target");
1450 return mono_get_method_checked (ref
.image
, ref
.token
, NULL
, NULL
, error
);
1454 decode_resolve_method_ref (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
1456 return decode_resolve_method_ref_with_target (module
, NULL
, buf
, endbuf
, error
);
1459 #ifdef ENABLE_AOT_CACHE
1465 * - Add options for controlling the cache size
1466 * - Handle full cache by deleting old assemblies lru style
1467 * - Maybe add a threshold after an assembly is AOT compiled
1468 * - Add options for enabling this for specific main assemblies
1471 /* The cache directory */
1472 static char *cache_dir
;
1474 /* The number of assemblies AOTed in this run */
1475 static int cache_count
;
1477 /* Whenever to AOT in-process */
1478 static gboolean in_process
;
1481 collect_assemblies (gpointer data
, gpointer user_data
)
1483 MonoAssembly
*ass
= (MonoAssembly
*)data
;
1484 GSList
**l
= (GSList
**)user_data
;
1486 *l
= g_slist_prepend (*l
, ass
);
1489 #define SHA1_DIGEST_LENGTH 20
1492 * get_aot_config_hash:
1494 * Return a hash for all the version information an AOT module depends on.
1496 static G_GNUC_UNUSED
char*
1497 get_aot_config_hash (MonoAssembly
*assembly
)
1500 GSList
*l
, *assembly_list
= NULL
;
1503 guint8 digest
[SHA1_DIGEST_LENGTH
];
1506 build_info
= mono_get_runtime_build_info ();
1508 s
= g_string_new (build_info
);
1510 mono_assembly_foreach (collect_assemblies
, &assembly_list
);
1513 * The assembly list includes the current assembly as well, no need
1516 for (l
= assembly_list
; l
; l
= l
->next
) {
1517 MonoAssembly
*ass
= (MonoAssembly
*)l
->data
;
1519 g_string_append (s
, "_");
1520 g_string_append (s
, ass
->aname
.name
);
1521 g_string_append (s
, "_");
1522 g_string_append (s
, ass
->image
->guid
);
1525 for (i
= 0; i
< s
->len
; ++i
) {
1526 if (!isalnum (s
->str
[i
]) && s
->str
[i
] != '-')
1530 mono_sha1_get_digest ((guint8
*)s
->str
, s
->len
, digest
);
1532 digest_str
= g_malloc0 ((SHA1_DIGEST_LENGTH
* 2) + 1);
1533 for (i
= 0; i
< SHA1_DIGEST_LENGTH
; ++i
)
1534 sprintf (digest_str
+ (i
* 2), "%02x", digest
[i
]);
1536 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: file dependencies: %s, hash %s", s
->str
, digest_str
);
1538 g_string_free (s
, TRUE
);
1544 aot_cache_init (void)
1548 enable_aot_cache
= TRUE
;
1553 * aot_cache_load_module:
1555 * Load the AOT image corresponding to ASSEMBLY from the aot cache, AOTing it if neccessary.
1558 aot_cache_load_module (MonoAssembly
*assembly
, char **aot_name
)
1560 MonoAotCacheConfig
*config
;
1562 char *fname
, *tmp2
, *aot_options
, *failure_fname
;
1574 if (image_is_dynamic (assembly
->image
))
1577 /* Check in the list of assemblies enabled for aot caching */
1578 config
= mono_get_aot_cache_config ();
1582 MonoDomain
*domain
= mono_domain_get ();
1583 MonoAssembly
*entry_assembly
= domain
->entry_assembly
;
1585 // FIXME: This cannot be used for mscorlib during startup, since entry_assembly is not set yet
1586 for (l
= config
->apps
; l
; l
= l
->next
) {
1587 char *n
= (char*)l
->data
;
1589 if ((entry_assembly
&& !strcmp (entry_assembly
->aname
.name
, n
)) || (!entry_assembly
&& !strcmp (assembly
->aname
.name
, n
)))
1597 for (l
= config
->assemblies
; l
; l
= l
->next
) {
1598 char *n
= (char*)l
->data
;
1600 if (!strcmp (assembly
->aname
.name
, n
))
1610 home
= g_get_home_dir ();
1613 cache_dir
= g_strdup_printf ("%s/Library/Caches/mono/aot-cache", home
);
1614 if (!g_file_test (cache_dir
, (GFileTest
)(G_FILE_TEST_EXISTS
|G_FILE_TEST_IS_DIR
)))
1615 g_mkdir_with_parents (cache_dir
, 0777);
1619 * The same assembly can be used in multiple configurations, i.e. multiple
1620 * versions of the runtime, with multiple versions of dependent assemblies etc.
1621 * To handle this, we compute a version string containing all this information, hash it,
1622 * and use the hash as a filename suffix.
1624 hash
= get_aot_config_hash (assembly
);
1626 tmp2
= g_strdup_printf ("%s-%s%s", assembly
->image
->assembly_name
, hash
, MONO_SOLIB_EXT
);
1627 fname
= g_build_filename (cache_dir
, tmp2
, NULL
);
1631 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: loading from cache: '%s'.", fname
);
1632 module
= mono_dl_open (fname
, MONO_DL_LAZY
, NULL
);
1635 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: found in cache: '%s'.", fname
);
1639 if (mono_is_corlib_image (assembly
->image
) && !mscorlib_aot_loaded
)
1641 * Can't AOT this during startup, so we AOT it when called later from
1642 * mono_aot_get_method ().
1646 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: not found.");
1648 /* Only AOT one assembly per run to avoid slowing down execution too much */
1649 if (cache_count
> 0)
1653 /* Check for previous failure */
1654 failure_fname
= g_strdup_printf ("%s.failure", fname
);
1655 failure_file
= fopen (failure_fname
, "r");
1657 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: assembly '%s' previously failed to compile '%s' ('%s')... ", assembly
->image
->name
, fname
, failure_fname
);
1658 g_free (failure_fname
);
1661 g_free (failure_fname
);
1662 fclose (failure_file
);
1665 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: compiling assembly '%s', logfile: '%s.log'... ", assembly
->image
->name
, fname
);
1668 * We need to invoke the AOT compiler here. There are multiple approaches:
1669 * - spawn a new runtime process. This can be hard when running with mkbundle, and
1670 * its hard to make the new process load the same set of assemblies.
1671 * - doing it in-process. This exposes the current process to bugs/leaks/side effects of
1673 * - fork a new process and do the work there.
1676 aot_options
= g_strdup_printf ("outfile=%s,internal-logfile=%s.log%s%s", fname
, fname
, config
->aot_options
? "," : "", config
->aot_options
? config
->aot_options
: "");
1677 /* Maybe due this in another thread ? */
1678 res
= mono_compile_assembly (assembly
, mono_parse_default_optimizations (NULL
), aot_options
, NULL
);
1680 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: compilation failed.");
1681 failure_fname
= g_strdup_printf ("%s.failure", fname
);
1682 failure_file
= fopen (failure_fname
, "a+");
1683 fclose (failure_file
);
1684 g_free (failure_fname
);
1686 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: compilation succeeded.");
1690 * - Avoid waiting for the aot process to finish ?
1691 * (less overhead, but multiple processes could aot the same assembly at the same time)
1700 logfile_name
= g_strdup_printf ("%s/aot.log", cache_dir
);
1701 logfile
= fopen (logfile_name
, "a+");
1702 g_free (logfile_name
);
1704 dup2 (fileno (logfile
), 1);
1705 dup2 (fileno (logfile
), 2);
1707 aot_options
= g_strdup_printf ("outfile=%s", fname
);
1708 res
= mono_compile_assembly (assembly
, mono_parse_default_optimizations (NULL
), aot_options
, NULL
);
1716 waitpid (pid
, &exit_status
, 0);
1717 if (!WIFEXITED (exit_status
) && (WEXITSTATUS (exit_status
) == 0))
1718 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: failed.");
1720 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: succeeded.");
1724 module
= mono_dl_open (fname
, MONO_DL_LAZY
, NULL
);
1732 aot_cache_init (void)
1737 aot_cache_load_module (MonoAssembly
*assembly
, char **aot_name
)
1745 find_symbol (MonoDl
*module
, gpointer
*globals
, const char *name
, gpointer
*value
)
1749 guint16
*table
, *entry
;
1752 char *symbol
= (char*)name
;
1755 symbol
= g_strdup_printf ("_%s", name
);
1758 /* The first entry points to the hash */
1759 table
= (guint16
*)globals
[0];
1762 table_size
= table
[0];
1765 hash
= mono_metadata_str_hash (symbol
) % table_size
;
1767 entry
= &table
[hash
* 2];
1769 /* Search the hash for the index into the globals table */
1771 while (entry
[0] != 0) {
1772 guint32 index
= entry
[0] - 1;
1773 guint32 next
= entry
[1];
1775 //printf ("X: %s %s\n", (char*)globals [index * 2], name);
1777 if (!strcmp ((const char*)globals
[index
* 2], symbol
)) {
1778 global_index
= index
;
1783 entry
= &table
[next
* 2];
1789 if (global_index
!= -1)
1790 *value
= globals
[global_index
* 2 + 1];
1797 char *err
= mono_dl_symbol (module
, name
, value
);
1805 find_amodule_symbol (MonoAotModule
*amodule
, const char *name
, gpointer
*value
)
1807 g_assert (!(amodule
->info
.flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
));
1809 find_symbol (amodule
->sofile
, amodule
->globals
, name
, value
);
1813 mono_install_load_aot_data_hook (MonoLoadAotDataFunc load_func
, MonoFreeAotDataFunc free_func
, gpointer user_data
)
1815 aot_data_load_func
= load_func
;
1816 aot_data_free_func
= free_func
;
1817 aot_data_func_user_data
= user_data
;
1820 /* Load the separate aot data file for ASSEMBLY */
1822 open_aot_data (MonoAssembly
*assembly
, MonoAotFileInfo
*info
, void **ret_handle
)
1828 if (aot_data_load_func
) {
1829 data
= aot_data_load_func (assembly
, info
->datafile_size
, aot_data_func_user_data
, ret_handle
);
1835 * Use <assembly name>.aotdata as the default implementation if no callback is given
1837 filename
= g_strdup_printf ("%s.aotdata", assembly
->image
->name
);
1838 map
= mono_file_map_open (filename
);
1840 data
= (guint8
*)mono_file_map (info
->datafile_size
, MONO_MMAP_READ
, mono_file_map_fd (map
), 0, ret_handle
);
1847 check_usable (MonoAssembly
*assembly
, MonoAotFileInfo
*info
, guint8
*blob
, char **out_msg
)
1851 gboolean usable
= TRUE
;
1852 gboolean full_aot
, interp
, safepoints
;
1853 guint32 excluded_cpu_optimizations
;
1855 if (strcmp (assembly
->image
->guid
, (const char*)info
->assembly_guid
)) {
1856 msg
= g_strdup_printf ("doesn't match assembly");
1860 build_info
= mono_get_runtime_build_info ();
1861 if (strlen ((const char *)info
->runtime_version
) > 0 && strcmp (info
->runtime_version
, build_info
)) {
1862 msg
= g_strdup_printf ("compiled against runtime version '%s' while this runtime has version '%s'", info
->runtime_version
, build_info
);
1865 g_free (build_info
);
1867 full_aot
= info
->flags
& MONO_AOT_FILE_FLAG_FULL_AOT
;
1868 interp
= info
->flags
& MONO_AOT_FILE_FLAG_INTERP
;
1870 if (mono_aot_only
&& !full_aot
) {
1872 msg
= g_strdup_printf ("not compiled with --aot=full");
1876 if (!mono_aot_only
&& full_aot
) {
1877 msg
= g_strdup_printf ("compiled with --aot=full");
1880 if (mono_use_interpreter
&& !interp
&& !strcmp (assembly
->aname
.name
, "mscorlib")) {
1881 /* mscorlib contains necessary interpreter trampolines */
1882 msg
= g_strdup_printf ("not compiled with --aot=interp");
1885 if (mono_llvm_only
&& !(info
->flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) {
1886 msg
= g_strdup_printf ("not compiled with --aot=llvmonly");
1889 if (mono_use_llvm
&& !(info
->flags
& MONO_AOT_FILE_FLAG_WITH_LLVM
)) {
1890 /* Prefer LLVM JITted code when using --llvm */
1891 msg
= g_strdup_printf ("not compiled with --aot=llvm");
1894 if (mini_get_debug_options ()->mdb_optimizations
&& !(info
->flags
& MONO_AOT_FILE_FLAG_DEBUG
) && !full_aot
&& !interp
) {
1895 msg
= g_strdup_printf ("not compiled for debugging");
1899 mono_arch_cpu_optimizations (&excluded_cpu_optimizations
);
1900 if (info
->opts
& excluded_cpu_optimizations
) {
1901 msg
= g_strdup_printf ("compiled with unsupported CPU optimizations");
1905 if (!mono_aot_only
&& (info
->simd_opts
& ~mono_arch_cpu_enumerate_simd_versions ())) {
1906 msg
= g_strdup_printf ("compiled with unsupported SIMD extensions");
1910 if (info
->gc_name_index
!= -1) {
1911 char *gc_name
= (char*)&blob
[info
->gc_name_index
];
1912 const char *current_gc_name
= mono_gc_get_gc_name ();
1914 if (strcmp (current_gc_name
, gc_name
) != 0) {
1915 msg
= g_strdup_printf ("compiled against GC %s, while the current runtime uses GC %s.\n", gc_name
, current_gc_name
);
1920 safepoints
= info
->flags
& MONO_AOT_FILE_FLAG_SAFEPOINTS
;
1922 if (!safepoints
&& mono_threads_are_safepoints_enabled ()) {
1923 msg
= g_strdup_printf ("not compiled with safepoints");
1932 * TABLE should point to a table of call instructions. Return the address called by the INDEXth entry.
1935 get_call_table_entry (void *table
, int index
)
1937 #if defined(TARGET_ARM)
1942 ins_addr
= (guint32
*)table
+ (index
* 2);
1943 if ((guint32
) *ins_addr
== (guint32
) 0xe51ff004) { // ldr pc, =<label>
1944 return *((char **) (ins_addr
+ 1));
1947 ins_addr
= (guint32
*)table
+ index
;
1949 if ((ins
>> ARMCOND_SHIFT
) == ARMCOND_NV
) {
1951 offset
= (((int)(((ins
& 0xffffff) << 1) | ((ins
>> 24) & 0x1))) << 7) >> 7;
1952 return (char*)ins_addr
+ (offset
* 2) + 8 + 1;
1954 g_assert ((ins
>> ARMCOND_SHIFT
) == ARMCOND_AL
);
1956 offset
= (((int)ins
& 0xffffff) << 8) >> 8;
1957 return (char*)ins_addr
+ (offset
* 4) + 8;
1959 #elif defined(TARGET_ARM64)
1960 return mono_arch_get_call_target ((guint8
*)table
+ (index
* 4) + 4);
1961 #elif defined(TARGET_X86) || defined(TARGET_AMD64)
1962 /* The callee expects an ip which points after the call */
1963 return mono_arch_get_call_target ((guint8
*)table
+ (index
* 5) + 5);
1965 g_assert_not_reached ();
1973 * Initialize the shared got entries for AMODULE.
1976 init_amodule_got (MonoAotModule
*amodule
)
1980 MonoJumpInfo
*patches
;
1981 guint32 got_offsets
[128];
1985 /* These can't be initialized in load_aot_module () */
1986 if (amodule
->got_initialized
== GOT_INITIALIZED
)
1989 mono_loader_lock ();
1992 * If it is initialized some other thread did it in the meantime. If it is
1993 * initializing it means the current thread is initializing it since we are
1994 * holding the loader lock, skip it.
1996 if (amodule
->got_initialized
) {
1997 mono_loader_unlock ();
2001 amodule
->got_initialized
= GOT_INITIALIZING
;
2003 mp
= mono_mempool_new ();
2004 npatches
= amodule
->info
.nshared_got_entries
;
2005 for (i
= 0; i
< npatches
; ++i
)
2006 got_offsets
[i
] = i
;
2008 patches
= decode_patches (amodule
, mp
, npatches
, FALSE
, got_offsets
);
2010 patches
= decode_patches (amodule
, mp
, npatches
, TRUE
, got_offsets
);
2012 for (i
= 0; i
< npatches
; ++i
) {
2015 if (ji
->type
== MONO_PATCH_INFO_GC_CARD_TABLE_ADDR
&& !mono_gc_is_moving ()) {
2016 amodule
->shared_got
[i
] = NULL
;
2017 } else if (ji
->type
== MONO_PATCH_INFO_GC_NURSERY_START
&& !mono_gc_is_moving ()) {
2018 amodule
->shared_got
[i
] = NULL
;
2019 } else if (ji
->type
== MONO_PATCH_INFO_GC_NURSERY_BITS
&& !mono_gc_is_moving ()) {
2020 amodule
->shared_got
[i
] = NULL
;
2021 } else if (ji
->type
== MONO_PATCH_INFO_IMAGE
) {
2022 amodule
->shared_got
[i
] = amodule
->assembly
->image
;
2023 } else if (ji
->type
== MONO_PATCH_INFO_MSCORLIB_GOT_ADDR
) {
2024 if (mono_defaults
.corlib
) {
2025 MonoAotModule
*mscorlib_amodule
= mono_defaults
.corlib
->aot_module
;
2027 if (mscorlib_amodule
)
2028 amodule
->shared_got
[i
] = mscorlib_amodule
->got
;
2030 amodule
->shared_got
[i
] = amodule
->got
;
2032 } else if (ji
->type
== MONO_PATCH_INFO_AOT_MODULE
) {
2033 amodule
->shared_got
[i
] = amodule
;
2035 amodule
->shared_got
[i
] = mono_resolve_patch_target (NULL
, mono_get_root_domain (), NULL
, ji
, FALSE
, error
);
2036 mono_error_assert_ok (error
);
2041 for (i
= 0; i
< npatches
; ++i
)
2042 amodule
->got
[i
] = amodule
->shared_got
[i
];
2044 if (amodule
->llvm_got
) {
2045 for (i
= 0; i
< npatches
; ++i
)
2046 amodule
->llvm_got
[i
] = amodule
->shared_got
[i
];
2049 mono_mempool_destroy (mp
);
2051 mono_memory_barrier ();
2052 amodule
->got_initialized
= GOT_INITIALIZED
;
2053 mono_loader_unlock ();
2057 load_aot_module (MonoAssembly
*assembly
, gpointer user_data
)
2059 char *aot_name
, *found_aot_name
;
2060 MonoAotModule
*amodule
;
2062 gboolean usable
= TRUE
;
2063 char *version_symbol
= NULL
;
2065 gpointer
*globals
= NULL
;
2066 MonoAotFileInfo
*info
= NULL
;
2068 gboolean do_load_image
= TRUE
;
2069 int align_double
, align_int64
;
2070 guint8
*aot_data
= NULL
;
2072 if (mono_compile_aot
)
2075 if (mono_aot_mode
== MONO_AOT_MODE_NONE
)
2078 if (assembly
->image
->aot_module
)
2080 * Already loaded. This can happen because the assembly loading code might invoke
2081 * the assembly load hooks multiple times for the same assembly.
2085 if (image_is_dynamic (assembly
->image
) || mono_asmctx_get_kind (&assembly
->context
) == MONO_ASMCTX_REFONLY
|| mono_domain_get () != mono_get_root_domain ())
2090 if (container_assm_name
&& !container_amodule
) {
2091 char *local_ref
= container_assm_name
;
2092 container_assm_name
= NULL
;
2093 MonoImageOpenStatus status
= MONO_IMAGE_OK
;
2094 MonoAssemblyOpenRequest req
;
2095 gchar
*dll
= g_strdup_printf ( "%s.dll", local_ref
);
2096 mono_assembly_request_prepare (&req
.request
, sizeof (req
), MONO_ASMCTX_DEFAULT
);
2097 MonoAssembly
*assm
= mono_assembly_request_open (dll
, &req
, &status
);
2099 gchar
*exe
= g_strdup_printf ("%s.exe", local_ref
);
2100 assm
= mono_assembly_request_open (exe
, &req
, &status
);
2103 load_aot_module (assm
, NULL
);
2104 container_amodule
= assm
->image
->aot_module
;
2107 if (static_aot_modules
)
2108 info
= (MonoAotFileInfo
*)g_hash_table_lookup (static_aot_modules
, assembly
->aname
.name
);
2114 found_aot_name
= NULL
;
2117 /* Statically linked AOT module */
2118 aot_name
= g_strdup_printf ("%s", assembly
->aname
.name
);
2119 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "Found statically linked AOT module '%s'.", aot_name
);
2120 if (!(info
->flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) {
2121 globals
= (void **)info
->globals
;
2124 found_aot_name
= g_strdup (aot_name
);
2128 if (enable_aot_cache
)
2129 sofile
= aot_cache_load_module (assembly
, &aot_name
);
2131 aot_name
= g_strdup_printf ("%s%s", assembly
->image
->name
, MONO_SOLIB_EXT
);
2133 sofile
= mono_dl_open (aot_name
, MONO_DL_LAZY
, &err
);
2135 found_aot_name
= g_strdup (aot_name
);
2137 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' not found: %s", aot_name
, err
);
2142 #ifndef PLATFORM_ANDROID
2144 char *basename
= g_path_get_basename (assembly
->image
->name
);
2145 aot_name
= g_strdup_printf ("%s/mono/aot-cache/%s/%s%s", mono_assembly_getrootdir(), MONO_ARCHITECTURE
, basename
, MONO_SOLIB_EXT
);
2147 sofile
= mono_dl_open (aot_name
, MONO_DL_LAZY
, &err
);
2149 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' not found: %s", aot_name
, err
);
2158 for (l
= mono_aot_paths
; l
; l
= l
->next
) {
2159 char *path
= (char*)l
->data
;
2161 char *basename
= g_path_get_basename (assembly
->image
->name
);
2162 aot_name
= g_strdup_printf ("%s/%s%s", path
, basename
, MONO_SOLIB_EXT
);
2163 sofile
= mono_dl_open (aot_name
, MONO_DL_LAZY
, &err
);
2165 found_aot_name
= g_strdup (aot_name
);
2167 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' not found: %s", aot_name
, err
);
2177 if (mono_aot_only
&& !mono_use_interpreter
&& assembly
->image
->tables
[MONO_TABLE_METHOD
].rows
) {
2178 aot_name
= g_strdup_printf ("%s%s", assembly
->image
->name
, MONO_SOLIB_EXT
);
2179 g_error ("Failed to load AOT module '%s' in aot-only mode.\n", aot_name
);
2187 find_symbol (sofile
, globals
, "mono_aot_version", (gpointer
*) &version_symbol
);
2188 find_symbol (sofile
, globals
, "mono_aot_file_info", (gpointer
*)&info
);
2191 // Copy aotid to MonoImage
2192 memcpy(&assembly
->image
->aotid
, info
->aotid
, 16);
2194 if (version_symbol
) {
2195 /* Old file format */
2196 version
= atoi (version_symbol
);
2199 version
= info
->version
;
2202 if (version
!= MONO_AOT_FILE_VERSION
) {
2203 msg
= g_strdup_printf ("wrong file format version (expected %d got %d)", MONO_AOT_FILE_VERSION
, version
);
2209 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
) {
2210 aot_data
= open_aot_data (assembly
, info
, &handle
);
2212 blob
= aot_data
+ info
->table_offsets
[MONO_AOT_TABLE_BLOB
];
2214 blob
= (guint8
*)info
->blob
;
2217 usable
= check_usable (assembly
, info
, blob
, &msg
);
2221 if (mono_aot_only
) {
2222 g_error ("Failed to load AOT module '%s' while running in aot-only mode: %s.\n", found_aot_name
, msg
);
2224 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: module %s is unusable: %s.", found_aot_name
, msg
);
2227 g_free (found_aot_name
);
2229 mono_dl_close (sofile
);
2230 assembly
->image
->aot_module
= NULL
;
2235 align_double
= MONO_ABI_ALIGNOF (double);
2236 align_int64
= MONO_ABI_ALIGNOF (gint64
);
2237 int card_table_shift_bits
= 0;
2238 gpointer card_table_mask
= NULL
;
2239 mono_gc_get_card_table (&card_table_shift_bits
, &card_table_mask
);
2241 g_assert (info
->double_align
== align_double
);
2242 g_assert (info
->long_align
== align_int64
);
2243 g_assert (info
->generic_tramp_num
== MONO_TRAMPOLINE_NUM
);
2244 g_assert (info
->card_table_shift_bits
== card_table_shift_bits
);
2245 g_assert (info
->card_table_mask
== GPOINTER_TO_UINT (card_table_mask
));
2247 amodule
= g_new0 (MonoAotModule
, 1);
2248 amodule
->aot_name
= found_aot_name
;
2249 amodule
->assembly
= assembly
;
2251 memcpy (&amodule
->info
, info
, sizeof (*info
));
2253 amodule
->got
= (void **)amodule
->info
.jit_got
;
2254 amodule
->llvm_got
= (void **)amodule
->info
.llvm_got
;
2255 amodule
->globals
= globals
;
2256 amodule
->sofile
= sofile
;
2257 amodule
->method_to_code
= g_hash_table_new (mono_aligned_addr_hash
, NULL
);
2258 amodule
->extra_methods
= g_hash_table_new (NULL
, NULL
);
2259 amodule
->shared_got
= g_new0 (gpointer
, info
->nshared_got_entries
);
2261 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
) {
2262 for (i
= 0; i
< MONO_AOT_TABLE_NUM
; ++i
)
2263 amodule
->tables
[i
] = aot_data
+ info
->table_offsets
[i
];
2266 mono_os_mutex_init_recursive (&amodule
->mutex
);
2268 /* Read image table */
2270 guint32 table_len
, i
;
2273 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
)
2274 table
= (char *)amodule
->tables
[MONO_AOT_TABLE_IMAGE_TABLE
];
2276 table
= (char *)info
->image_table
;
2279 table_len
= *(guint32
*)table
;
2280 table
+= sizeof (guint32
);
2281 amodule
->image_table
= g_new0 (MonoImage
*, table_len
);
2282 amodule
->image_names
= g_new0 (MonoAssemblyName
, table_len
);
2283 amodule
->image_guids
= g_new0 (char*, table_len
);
2284 amodule
->image_table_len
= table_len
;
2285 for (i
= 0; i
< table_len
; ++i
) {
2286 MonoAssemblyName
*aname
= &(amodule
->image_names
[i
]);
2288 aname
->name
= g_strdup (table
);
2289 table
+= strlen (table
) + 1;
2290 amodule
->image_guids
[i
] = g_strdup (table
);
2291 table
+= strlen (table
) + 1;
2293 aname
->culture
= g_strdup (table
);
2294 table
+= strlen (table
) + 1;
2295 memcpy (aname
->public_key_token
, table
, strlen (table
) + 1);
2296 table
+= strlen (table
) + 1;
2298 table
= (char *)ALIGN_PTR_TO (table
, 8);
2299 aname
->flags
= *(guint32
*)table
;
2301 aname
->major
= *(guint32
*)table
;
2303 aname
->minor
= *(guint32
*)table
;
2305 aname
->build
= *(guint32
*)table
;
2307 aname
->revision
= *(guint32
*)table
;
2312 amodule
->jit_code_start
= (guint8
*)info
->jit_code_start
;
2313 amodule
->jit_code_end
= (guint8
*)info
->jit_code_end
;
2314 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
) {
2315 amodule
->blob
= (guint8
*)amodule
->tables
[MONO_AOT_TABLE_BLOB
];
2316 amodule
->method_info_offsets
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_METHOD_INFO_OFFSETS
];
2317 amodule
->ex_info_offsets
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_EX_INFO_OFFSETS
];
2318 amodule
->class_info_offsets
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_CLASS_INFO_OFFSETS
];
2319 amodule
->class_name_table
= (guint16
*)amodule
->tables
[MONO_AOT_TABLE_CLASS_NAME
];
2320 amodule
->extra_method_table
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_EXTRA_METHOD_TABLE
];
2321 amodule
->extra_method_info_offsets
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_EXTRA_METHOD_INFO_OFFSETS
];
2322 amodule
->got_info_offsets
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_GOT_INFO_OFFSETS
];
2323 amodule
->llvm_got_info_offsets
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_LLVM_GOT_INFO_OFFSETS
];
2324 amodule
->weak_field_indexes
= (guint32
*)amodule
->tables
[MONO_AOT_TABLE_WEAK_FIELD_INDEXES
];
2326 amodule
->blob
= (guint8
*)info
->blob
;
2327 amodule
->method_info_offsets
= (guint32
*)info
->method_info_offsets
;
2328 amodule
->ex_info_offsets
= (guint32
*)info
->ex_info_offsets
;
2329 amodule
->class_info_offsets
= (guint32
*)info
->class_info_offsets
;
2330 amodule
->class_name_table
= (guint16
*)info
->class_name_table
;
2331 amodule
->extra_method_table
= (guint32
*)info
->extra_method_table
;
2332 amodule
->extra_method_info_offsets
= (guint32
*)info
->extra_method_info_offsets
;
2333 amodule
->got_info_offsets
= (guint32
*)info
->got_info_offsets
;
2334 amodule
->llvm_got_info_offsets
= (guint32
*)info
->llvm_got_info_offsets
;
2335 amodule
->weak_field_indexes
= (guint32
*)info
->weak_field_indexes
;
2337 amodule
->unbox_trampolines
= (guint32
*)info
->unbox_trampolines
;
2338 amodule
->unbox_trampolines_end
= (guint32
*)info
->unbox_trampolines_end
;
2339 amodule
->unbox_trampoline_addresses
= (guint32
*)info
->unbox_trampoline_addresses
;
2340 amodule
->unwind_info
= (guint8
*)info
->unwind_info
;
2341 amodule
->mem_begin
= (guint8
*)amodule
->jit_code_start
;
2342 amodule
->mem_end
= (guint8
*)info
->mem_end
;
2343 amodule
->plt
= (guint8
*)info
->plt
;
2344 amodule
->plt_end
= (guint8
*)info
->plt_end
;
2345 amodule
->mono_eh_frame
= (guint8
*)info
->mono_eh_frame
;
2346 amodule
->trampolines
[MONO_AOT_TRAMP_SPECIFIC
] = (guint8
*)info
->specific_trampolines
;
2347 amodule
->trampolines
[MONO_AOT_TRAMP_STATIC_RGCTX
] = (guint8
*)info
->static_rgctx_trampolines
;
2348 amodule
->trampolines
[MONO_AOT_TRAMP_IMT
] = (guint8
*)info
->imt_trampolines
;
2349 amodule
->trampolines
[MONO_AOT_TRAMP_GSHAREDVT_ARG
] = (guint8
*)info
->gsharedvt_arg_trampolines
;
2350 amodule
->trampolines
[MONO_AOT_TRAMP_FTNPTR_ARG
] = (guint8
*)info
->ftnptr_arg_trampolines
;
2351 amodule
->trampolines
[MONO_AOT_TRAMP_UNBOX_ARBITRARY
] = (guint8
*)info
->unbox_arbitrary_trampolines
;
2353 if (mono_is_corlib_image (assembly
->image
))
2354 mscorlib_aot_module
= amodule
;
2356 /* Compute method addresses */
2357 amodule
->methods
= (void **)g_malloc0 (amodule
->info
.nmethods
* sizeof (gpointer
));
2358 for (i
= 0; i
< amodule
->info
.nmethods
; ++i
) {
2361 if (amodule
->info
.llvm_get_method
) {
2362 gpointer (*get_method
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_method
;
2364 addr
= get_method (i
);
2367 /* method_addresses () contains a table of branches, since the ios linker can update those correctly */
2368 if (!addr
&& amodule
->info
.method_addresses
) {
2369 addr
= get_call_table_entry (amodule
->info
.method_addresses
, i
);
2371 if (addr
== amodule
->info
.method_addresses
)
2375 amodule
->methods
[i
] = GINT_TO_POINTER (-1);
2377 amodule
->methods
[i
] = addr
;
2380 if (make_unreadable
) {
2381 #ifndef TARGET_WIN32
2383 guint8
*page_start
, *page_end
;
2386 addr
= amodule
->mem_begin
;
2388 len
= amodule
->mem_end
- amodule
->mem_begin
;
2390 /* Round down in both directions to avoid modifying data which is not ours */
2391 page_start
= (guint8
*) (((gssize
) (addr
)) & ~ (mono_pagesize () - 1)) + mono_pagesize ();
2392 page_end
= (guint8
*) (((gssize
) (addr
+ len
)) & ~ (mono_pagesize () - 1));
2393 if (page_end
> page_start
) {
2394 err
= mono_mprotect (page_start
, (page_end
- page_start
), MONO_MMAP_NONE
);
2395 g_assert (err
== 0);
2400 /* Compute the boundaries of LLVM code */
2401 if (info
->flags
& MONO_AOT_FILE_FLAG_WITH_LLVM
)
2402 compute_llvm_code_range (amodule
, &amodule
->llvm_code_start
, &amodule
->llvm_code_end
);
2406 if (amodule
->jit_code_start
) {
2407 aot_code_low_addr
= MIN (aot_code_low_addr
, (gsize
)amodule
->jit_code_start
);
2408 aot_code_high_addr
= MAX (aot_code_high_addr
, (gsize
)amodule
->jit_code_end
);
2410 if (amodule
->llvm_code_start
) {
2411 aot_code_low_addr
= MIN (aot_code_low_addr
, (gsize
)amodule
->llvm_code_start
);
2412 aot_code_high_addr
= MAX (aot_code_high_addr
, (gsize
)amodule
->llvm_code_end
);
2415 g_hash_table_insert (aot_modules
, assembly
, amodule
);
2418 if (amodule
->jit_code_start
)
2419 mono_jit_info_add_aot_module (assembly
->image
, amodule
->jit_code_start
, amodule
->jit_code_end
);
2420 if (amodule
->llvm_code_start
)
2421 mono_jit_info_add_aot_module (assembly
->image
, amodule
->llvm_code_start
, amodule
->llvm_code_end
);
2423 assembly
->image
->aot_module
= amodule
;
2425 if (mono_aot_only
&& !mono_llvm_only
) {
2427 find_amodule_symbol (amodule
, "specific_trampolines_page", (gpointer
*)&code
);
2428 amodule
->use_page_trampolines
= code
!= NULL
;
2429 /*g_warning ("using page trampolines: %d", amodule->use_page_trampolines);*/
2433 * Register the plt region as a single trampoline so we can unwind from this code
2435 mono_aot_tramp_info_register (
2436 mono_tramp_info_create (
2439 amodule
->plt_end
- amodule
->plt
,
2441 mono_unwind_get_cie_program ()
2447 * Since we store methoddef and classdef tokens when referring to methods/classes in
2448 * referenced assemblies, we depend on the exact versions of the referenced assemblies.
2449 * MS calls this 'hard binding'. This means we have to load all referenced assemblies
2450 * non-lazily, since we can't handle out-of-date errors later.
2451 * The cached class info also depends on the exact assemblies.
2453 if (do_load_image
) {
2454 for (i
= 0; i
< amodule
->image_table_len
; ++i
) {
2456 load_image (amodule
, i
, error
);
2457 mono_error_cleanup (error
); /* FIXME don't swallow the error */
2461 if (amodule
->out_of_date
) {
2462 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: Module %s is unusable because a dependency is out-of-date.", assembly
->image
->name
);
2464 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
);
2466 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' found.", found_aot_name
);
2471 * mono_aot_register_module:
2473 * This should be called by embedding code to register normal AOT modules statically linked
2474 * into the executable.
2476 * \param aot_info the value of the 'mono_aot_module_<ASSEMBLY_NAME>_info' global symbol from the AOT module.
2479 mono_aot_register_module (gpointer
*aot_info
)
2483 MonoAotFileInfo
*info
= (MonoAotFileInfo
*)aot_info
;
2485 g_assert (info
->version
== MONO_AOT_FILE_VERSION
);
2487 if (!(info
->flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) {
2488 globals
= (void **)info
->globals
;
2492 aname
= (char *)info
->assembly_name
;
2494 /* This could be called before startup */
2498 if (!static_aot_modules
)
2499 static_aot_modules
= g_hash_table_new (g_str_hash
, g_str_equal
);
2501 g_hash_table_insert (static_aot_modules
, aname
, info
);
2503 if (info
->flags
& MONO_AOT_FILE_FLAG_EAGER_LOAD
) {
2504 g_assert (!container_assm_name
);
2505 container_assm_name
= aname
;
2513 mono_aot_init (void)
2515 mono_os_mutex_init_recursive (&aot_mutex
);
2516 mono_os_mutex_init_recursive (&aot_page_mutex
);
2517 aot_modules
= g_hash_table_new (NULL
, NULL
);
2519 mono_install_assembly_load_hook (load_aot_module
, NULL
);
2520 mono_counters_register ("Async JIT info size", MONO_COUNTER_INT
|MONO_COUNTER_JIT
, &async_jit_info_size
);
2522 char *lastaot
= g_getenv ("MONO_LASTAOT");
2524 mono_last_aot_method
= atoi (lastaot
);
2531 mono_aot_cleanup (void)
2533 g_hash_table_destroy (aot_modules
);
2537 decode_cached_class_info (MonoAotModule
*module
, MonoCachedClassInfo
*info
, guint8
*buf
, guint8
**endbuf
)
2544 info
->vtable_size
= decode_value (buf
, &buf
);
2545 if (info
->vtable_size
== -1)
2548 flags
= decode_value (buf
, &buf
);
2549 info
->ghcimpl
= (flags
>> 0) & 0x1;
2550 info
->has_finalize
= (flags
>> 1) & 0x1;
2551 info
->has_cctor
= (flags
>> 2) & 0x1;
2552 info
->has_nested_classes
= (flags
>> 3) & 0x1;
2553 info
->blittable
= (flags
>> 4) & 0x1;
2554 info
->has_references
= (flags
>> 5) & 0x1;
2555 info
->has_static_refs
= (flags
>> 6) & 0x1;
2556 info
->no_special_static_fields
= (flags
>> 7) & 0x1;
2557 info
->is_generic_container
= (flags
>> 8) & 0x1;
2558 info
->has_weak_fields
= (flags
>> 9) & 0x1;
2560 if (info
->has_cctor
) {
2561 res
= decode_method_ref (module
, &ref
, buf
, &buf
, error
);
2562 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
2565 info
->cctor_token
= ref
.token
;
2567 if (info
->has_finalize
) {
2568 res
= decode_method_ref (module
, &ref
, buf
, &buf
, error
);
2569 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
2572 info
->finalize_image
= ref
.image
;
2573 info
->finalize_token
= ref
.token
;
2576 info
->instance_size
= decode_value (buf
, &buf
);
2577 info
->class_size
= decode_value (buf
, &buf
);
2578 info
->packing_size
= decode_value (buf
, &buf
);
2579 info
->min_align
= decode_value (buf
, &buf
);
2587 mono_aot_get_method_from_vt_slot (MonoDomain
*domain
, MonoVTable
*vtable
, int slot
, MonoError
*error
)
2590 MonoClass
*klass
= vtable
->klass
;
2591 MonoAotModule
*amodule
= m_class_get_image (klass
)->aot_module
;
2593 MonoCachedClassInfo class_info
;
2598 ERROR_DECL (inner_error
);
2602 if (MONO_CLASS_IS_INTERFACE_INTERNAL (klass
) || m_class_get_rank (klass
) || !amodule
)
2605 info
= &amodule
->blob
[mono_aot_get_offset (amodule
->class_info_offsets
, mono_metadata_token_index (m_class_get_type_token (klass
)) - 1)];
2608 err
= decode_cached_class_info (amodule
, &class_info
, p
, &p
);
2612 for (i
= 0; i
< slot
; ++i
) {
2613 decode_method_ref (amodule
, &ref
, p
, &p
, inner_error
);
2614 mono_error_cleanup (inner_error
); /* FIXME don't swallow the error */
2617 res
= decode_method_ref (amodule
, &ref
, p
, &p
, inner_error
);
2618 mono_error_cleanup (inner_error
); /* FIXME don't swallow the error */
2621 if (ref
.no_aot_trampoline
)
2624 if (mono_metadata_token_index (ref
.token
) == 0 || mono_metadata_token_table (ref
.token
) != MONO_TABLE_METHOD
)
2627 addr
= mono_aot_get_method_from_token (domain
, ref
.image
, ref
.token
, error
);
2632 mono_aot_get_cached_class_info (MonoClass
*klass
, MonoCachedClassInfo
*res
)
2634 MonoAotModule
*amodule
= m_class_get_image (klass
)->aot_module
;
2638 if (m_class_get_rank (klass
) || !m_class_get_type_token (klass
) || !amodule
)
2641 p
= (guint8
*)&amodule
->blob
[mono_aot_get_offset (amodule
->class_info_offsets
, mono_metadata_token_index (m_class_get_type_token (klass
)) - 1)];
2643 err
= decode_cached_class_info (amodule
, res
, p
, &p
);
2651 * mono_aot_get_class_from_name:
2653 * Obtains a MonoClass with a given namespace and a given name which is located in IMAGE,
2654 * using a cache stored in the AOT file.
2655 * Stores the resulting class in *KLASS if found, stores NULL otherwise.
2657 * Returns: TRUE if the klass was found/not found in the cache, FALSE if no aot file was
2661 mono_aot_get_class_from_name (MonoImage
*image
, const char *name_space
, const char *name
, MonoClass
**klass
)
2663 MonoAotModule
*amodule
= image
->aot_module
;
2664 guint16
*table
, *entry
;
2667 char full_name_buf
[1024];
2669 const char *name2
, *name_space2
;
2671 guint32 cols
[MONO_TYPEDEF_SIZE
];
2672 GHashTable
*nspace_table
;
2674 if (!amodule
|| !amodule
->class_name_table
)
2677 amodule_lock (amodule
);
2681 /* First look in the cache */
2682 if (!amodule
->name_cache
)
2683 amodule
->name_cache
= g_hash_table_new (g_str_hash
, g_str_equal
);
2684 nspace_table
= (GHashTable
*)g_hash_table_lookup (amodule
->name_cache
, name_space
);
2686 *klass
= (MonoClass
*)g_hash_table_lookup (nspace_table
, name
);
2688 amodule_unlock (amodule
);
2693 table_size
= amodule
->class_name_table
[0];
2694 table
= amodule
->class_name_table
+ 1;
2696 if (name_space
[0] == '\0')
2697 full_name
= g_strdup_printf ("%s", name
);
2699 if (strlen (name_space
) + strlen (name
) < 1000) {
2700 sprintf (full_name_buf
, "%s.%s", name_space
, name
);
2701 full_name
= full_name_buf
;
2703 full_name
= g_strdup_printf ("%s.%s", name_space
, name
);
2706 hash
= mono_metadata_str_hash (full_name
) % table_size
;
2707 if (full_name
!= full_name_buf
)
2710 entry
= &table
[hash
* 2];
2712 if (entry
[0] != 0) {
2713 t
= &image
->tables
[MONO_TABLE_TYPEDEF
];
2716 guint32 index
= entry
[0];
2717 guint32 next
= entry
[1];
2718 guint32 token
= mono_metadata_make_token (MONO_TABLE_TYPEDEF
, index
);
2720 name_table_accesses
++;
2722 mono_metadata_decode_row (t
, index
- 1, cols
, MONO_TYPEDEF_SIZE
);
2724 name2
= mono_metadata_string_heap (image
, cols
[MONO_TYPEDEF_NAME
]);
2725 name_space2
= mono_metadata_string_heap (image
, cols
[MONO_TYPEDEF_NAMESPACE
]);
2727 if (!strcmp (name
, name2
) && !strcmp (name_space
, name_space2
)) {
2729 amodule_unlock (amodule
);
2730 *klass
= mono_class_get_checked (image
, token
, error
);
2731 if (!mono_error_ok (error
))
2732 mono_error_cleanup (error
); /* FIXME don't swallow the error */
2736 amodule_lock (amodule
);
2737 nspace_table
= (GHashTable
*)g_hash_table_lookup (amodule
->name_cache
, name_space
);
2738 if (!nspace_table
) {
2739 nspace_table
= g_hash_table_new (g_str_hash
, g_str_equal
);
2740 g_hash_table_insert (amodule
->name_cache
, (char*)name_space2
, nspace_table
);
2742 g_hash_table_insert (nspace_table
, (char*)name2
, *klass
);
2743 amodule_unlock (amodule
);
2749 entry
= &table
[next
* 2];
2756 amodule_unlock (amodule
);
2762 mono_aot_get_weak_field_indexes (MonoImage
*image
)
2764 MonoAotModule
*amodule
= image
->aot_module
;
2769 /* Initialize weak field indexes from the cached copy */
2770 guint32
*indexes
= (guint32
*)amodule
->weak_field_indexes
;
2771 int len
= indexes
[0];
2772 GHashTable
*indexes_hash
= g_hash_table_new (NULL
, NULL
);
2773 for (int i
= 0; i
< len
; ++i
)
2774 g_hash_table_insert (indexes_hash
, GUINT_TO_POINTER (indexes
[i
+ 1]), GUINT_TO_POINTER (1));
2775 return indexes_hash
;
2778 /* Compute the boundaries of the LLVM code for AMODULE. */
2780 compute_llvm_code_range (MonoAotModule
*amodule
, guint8
**code_start
, guint8
**code_end
)
2783 int version
, fde_count
;
2786 if (amodule
->info
.llvm_get_method
) {
2787 gpointer (*get_method
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_method
;
2790 gsize min
= 1 << 30, max
= 0;
2793 // FIXME: This depends on emscripten allocating ftnptr ids sequentially
2794 for (int i
= 0; i
< amodule
->info
.nmethods
; ++i
) {
2797 addr
= get_method (i
);
2798 gsize val
= (gsize
)addr
;
2800 //g_assert (val > prev);
2809 *code_start
= (guint8
*)min
;
2810 *code_end
= (guint8
*)(max
+ 1);
2816 *code_start
= (guint8
*)get_method (-1);
2817 *code_end
= (guint8
*)get_method (-2);
2819 g_assert (*code_end
> *code_start
);
2824 g_assert (amodule
->mono_eh_frame
);
2826 p
= amodule
->mono_eh_frame
;
2828 /* p points to data emitted by LLVM in DwarfException::EmitMonoEHFrame () */
2832 g_assert (version
== 3);
2835 p
= (guint8
*)ALIGN_PTR_TO (p
, 4);
2837 fde_count
= *(guint32
*)p
;
2841 if (fde_count
> 0) {
2842 *code_start
= (guint8
*)amodule
->methods
[table
[0]];
2843 *code_end
= (guint8
*)amodule
->methods
[table
[(fde_count
- 1) * 2]] + table
[fde_count
* 2];
2851 is_llvm_code (MonoAotModule
*amodule
, guint8
*code
)
2856 if ((guint8
*)code
>= amodule
->llvm_code_start
&& (guint8
*)code
< amodule
->llvm_code_end
)
2864 is_thumb_code (MonoAotModule
*amodule
, guint8
*code
)
2866 if (is_llvm_code (amodule
, code
) && (amodule
->info
.flags
& MONO_AOT_FILE_FLAG_LLVM_THUMB
))
2873 * decode_llvm_mono_eh_frame:
2875 * Decode the EH information emitted by our modified LLVM compiler and construct a
2876 * MonoJitInfo structure from it.
2877 * If JINFO is NULL, set OUT_LLVM_CLAUSES to the number of llvm level clauses.
2878 * This function is async safe when called in async context.
2881 decode_llvm_mono_eh_frame (MonoAotModule
*amodule
, MonoDomain
*domain
, MonoJitInfo
*jinfo
,
2882 guint8
*code
, guint32 code_len
,
2883 MonoJitExceptionInfo
*clauses
, int num_clauses
,
2885 int *this_reg
, int *this_offset
, int *out_llvm_clauses
)
2887 guint8
*p
, *code1
, *code2
;
2888 guint8
*fde
, *cie
, *code_start
, *code_end
;
2889 int version
, fde_count
;
2891 int i
, pos
, left
, right
;
2892 MonoJitExceptionInfo
*ei
;
2893 guint32 fde_len
, ei_len
, nested_len
, nindex
;
2894 gpointer
*type_info
;
2895 MonoLLVMFDEInfo info
;
2899 async
= mono_thread_info_is_async_context ();
2901 if (!amodule
->mono_eh_frame
) {
2903 *out_llvm_clauses
= num_clauses
;
2906 memcpy (jinfo
->clauses
, clauses
, num_clauses
* sizeof (MonoJitExceptionInfo
));
2910 g_assert (amodule
->mono_eh_frame
&& code
);
2912 p
= amodule
->mono_eh_frame
;
2914 /* p points to data emitted by LLVM in DwarfMonoException::EmitMonoEHFrame () */
2918 g_assert (version
== 3);
2920 /* func_encoding = *p; */
2922 p
= (guint8
*)ALIGN_PTR_TO (p
, 4);
2924 fde_count
= *(guint32
*)p
;
2928 /* There is +1 entry in the table */
2929 cie
= p
+ ((fde_count
+ 1) * 8);
2931 /* Binary search in the table to find the entry for code */
2935 pos
= (left
+ right
) / 2;
2937 /* The table contains method index/fde offset pairs */
2938 g_assert (table
[(pos
* 2)] != -1);
2939 code1
= (guint8
*)amodule
->methods
[table
[(pos
* 2)]];
2940 if (pos
+ 1 == fde_count
) {
2941 code2
= amodule
->llvm_code_end
;
2943 g_assert (table
[(pos
+ 1) * 2] != -1);
2944 code2
= (guint8
*)amodule
->methods
[table
[(pos
+ 1) * 2]];
2949 else if (code
>= code2
)
2955 code_start
= (guint8
*)amodule
->methods
[table
[(pos
* 2)]];
2956 if (pos
+ 1 == fde_count
) {
2957 /* The +1 entry in the table contains the length of the last method */
2958 int len
= table
[(pos
+ 1) * 2];
2959 code_end
= code_start
+ len
;
2961 code_end
= (guint8
*)amodule
->methods
[table
[(pos
+ 1) * 2]];
2964 code_len
= code_end
- code_start
;
2966 g_assert (code
>= code_start
&& code
< code_end
);
2968 if (is_thumb_code (amodule
, code_start
))
2969 /* Clear thumb flag */
2970 code_start
= (guint8
*)(((gsize
)code_start
) & ~1);
2972 fde
= amodule
->mono_eh_frame
+ table
[(pos
* 2) + 1];
2973 /* This won't overflow because there is +1 entry in the table */
2974 fde_len
= table
[(pos
* 2) + 2 + 1] - table
[(pos
* 2) + 1];
2976 /* Compute lengths */
2977 mono_unwind_decode_llvm_mono_fde (fde
, fde_len
, cie
, code_start
, &info
, NULL
, NULL
, NULL
);
2980 /* These are leaked, but the leak is bounded */
2981 ei
= mono_domain_alloc0_lock_free (domain
, info
.ex_info_len
* sizeof (MonoJitExceptionInfo
));
2982 type_info
= mono_domain_alloc0_lock_free (domain
, info
.ex_info_len
* sizeof (gpointer
));
2983 unw_info
= mono_domain_alloc0_lock_free (domain
, info
.unw_info_len
);
2985 ei
= (MonoJitExceptionInfo
*)g_malloc0 (info
.ex_info_len
* sizeof (MonoJitExceptionInfo
));
2986 type_info
= (gpointer
*)g_malloc0 (info
.ex_info_len
* sizeof (gpointer
));
2987 unw_info
= (guint8
*)g_malloc0 (info
.unw_info_len
);
2989 mono_unwind_decode_llvm_mono_fde (fde
, fde_len
, cie
, code_start
, &info
, ei
, type_info
, unw_info
);
2991 ei_len
= info
.ex_info_len
;
2992 *this_reg
= info
.this_reg
;
2993 *this_offset
= info
.this_offset
;
2996 * LLVM might represent one IL region with multiple regions.
2999 /* Count number of nested clauses */
3001 for (i
= 0; i
< ei_len
; ++i
) {
3002 /* This might be unaligned */
3003 gint32 cindex1
= read32 (type_info
[i
]);
3006 for (l
= nesting
[cindex1
]; l
; l
= l
->next
)
3011 *out_llvm_clauses
= ei_len
+ nested_len
;
3015 /* Store the unwind info addr/length in the MonoJitInfo structure itself so its async safe */
3016 MonoUnwindJitInfo
*jinfo_unwind
= mono_jit_info_get_unwind_info (jinfo
);
3017 g_assert (jinfo_unwind
);
3018 jinfo_unwind
->unw_info
= unw_info
;
3019 jinfo_unwind
->unw_info_len
= info
.unw_info_len
;
3021 for (i
= 0; i
< ei_len
; ++i
) {
3023 * clauses contains the original IL exception info saved by the AOT
3024 * compiler, we have to combine that with the information produced by LLVM
3026 /* The type_info entries contain IL clause indexes */
3027 int clause_index
= read32 (type_info
[i
]);
3028 MonoJitExceptionInfo
*jei
= &jinfo
->clauses
[i
];
3029 MonoJitExceptionInfo
*orig_jei
= &clauses
[clause_index
];
3031 g_assert (clause_index
< num_clauses
);
3032 jei
->flags
= orig_jei
->flags
;
3033 jei
->data
.catch_class
= orig_jei
->data
.catch_class
;
3035 jei
->try_start
= ei
[i
].try_start
;
3036 jei
->try_end
= ei
[i
].try_end
;
3037 jei
->handler_start
= ei
[i
].handler_start
;
3038 jei
->clause_index
= clause_index
;
3040 if (is_thumb_code (amodule
, (guint8
*)jei
->try_start
)) {
3041 jei
->try_start
= (void*)((gsize
)jei
->try_start
& ~1);
3042 jei
->try_end
= (void*)((gsize
)jei
->try_end
& ~1);
3043 /* Make sure we transition to thumb when a handler starts */
3044 jei
->handler_start
= (void*)((gsize
)jei
->handler_start
+ 1);
3048 /* See exception_cb () in mini-llvm.c as to why this is needed */
3050 for (i
= 0; i
< ei_len
; ++i
) {
3051 gint32 cindex1
= read32 (type_info
[i
]);
3054 for (l
= nesting
[cindex1
]; l
; l
= l
->next
) {
3055 gint32 nesting_cindex
= GPOINTER_TO_INT (l
->data
);
3056 MonoJitExceptionInfo
*nesting_ei
;
3057 MonoJitExceptionInfo
*nesting_clause
= &clauses
[nesting_cindex
];
3059 nesting_ei
= &jinfo
->clauses
[nindex
];
3062 memcpy (nesting_ei
, &jinfo
->clauses
[i
], sizeof (MonoJitExceptionInfo
));
3063 nesting_ei
->flags
= nesting_clause
->flags
;
3064 nesting_ei
->data
.catch_class
= nesting_clause
->data
.catch_class
;
3065 nesting_ei
->clause_index
= nesting_cindex
;
3068 g_assert (nindex
== ei_len
+ nested_len
);
3072 alloc0_jit_info_data (MonoDomain
*domain
, int size
, gboolean async_context
)
3074 #define alloc0_jit_info_data(domain, size, async_context) (g_cast (alloc0_jit_info_data ((domain), (size), (async_context))))
3079 if (async_context
) {
3080 res
= mono_domain_alloc0_lock_free (domain
, size
);
3081 mono_atomic_fetch_add_i32 (&async_jit_info_size
, size
);
3083 res
= mono_domain_alloc0 (domain
, size
);
3089 * LOCKING: Acquires the domain lock.
3090 * In async context, this is async safe.
3093 decode_exception_debug_info (MonoAotModule
*amodule
, MonoDomain
*domain
,
3094 MonoMethod
*method
, guint8
* ex_info
,
3095 guint8
*code
, guint32 code_len
)
3098 int i
, buf_len
, num_clauses
, len
;
3100 MonoJitInfoFlags flags
= JIT_INFO_NONE
;
3101 guint unwind_info
, eflags
;
3102 gboolean has_generic_jit_info
, has_dwarf_unwind_info
, has_clauses
, has_seq_points
, has_try_block_holes
, has_arch_eh_jit_info
;
3103 gboolean from_llvm
, has_gc_map
;
3105 int try_holes_info_size
, num_holes
;
3106 int this_reg
= 0, this_offset
= 0;
3109 /* Load the method info from the AOT file */
3110 async
= mono_thread_info_is_async_context ();
3113 eflags
= decode_value (p
, &p
);
3114 has_generic_jit_info
= (eflags
& 1) != 0;
3115 has_dwarf_unwind_info
= (eflags
& 2) != 0;
3116 has_clauses
= (eflags
& 4) != 0;
3117 has_seq_points
= (eflags
& 8) != 0;
3118 from_llvm
= (eflags
& 16) != 0;
3119 has_try_block_holes
= (eflags
& 32) != 0;
3120 has_gc_map
= (eflags
& 64) != 0;
3121 has_arch_eh_jit_info
= (eflags
& 128) != 0;
3123 if (has_dwarf_unwind_info
) {
3124 unwind_info
= decode_value (p
, &p
);
3125 g_assert (unwind_info
< (1 << 30));
3127 unwind_info
= decode_value (p
, &p
);
3129 if (has_generic_jit_info
)
3130 flags
|= JIT_INFO_HAS_GENERIC_JIT_INFO
;
3132 if (has_try_block_holes
) {
3133 num_holes
= decode_value (p
, &p
);
3134 flags
|= JIT_INFO_HAS_TRY_BLOCK_HOLES
;
3135 try_holes_info_size
= sizeof (MonoTryBlockHoleTableJitInfo
) + num_holes
* sizeof (MonoTryBlockHoleJitInfo
);
3137 num_holes
= try_holes_info_size
= 0;
3140 if (has_arch_eh_jit_info
) {
3141 flags
|= JIT_INFO_HAS_ARCH_EH_INFO
;
3142 /* Overwrite the original code_len which includes alignment padding */
3143 code_len
= decode_value (p
, &p
);
3146 /* Exception table */
3148 num_clauses
= decode_value (p
, &p
);
3153 MonoJitExceptionInfo
*clauses
;
3157 * Part of the info is encoded by the AOT compiler, the rest is in the .eh_frame
3161 if (num_clauses
< 16) {
3162 clauses
= g_newa (MonoJitExceptionInfo
, num_clauses
);
3163 nesting
= g_newa (GSList
*, num_clauses
);
3165 clauses
= alloc0_jit_info_data (domain
, sizeof (MonoJitExceptionInfo
) * num_clauses
, TRUE
);
3166 nesting
= alloc0_jit_info_data (domain
, sizeof (GSList
*) * num_clauses
, TRUE
);
3168 memset (clauses
, 0, sizeof (MonoJitExceptionInfo
) * num_clauses
);
3169 memset (nesting
, 0, sizeof (GSList
*) * num_clauses
);
3171 clauses
= g_new0 (MonoJitExceptionInfo
, num_clauses
);
3172 nesting
= g_new0 (GSList
*, num_clauses
);
3175 for (i
= 0; i
< num_clauses
; ++i
) {
3176 MonoJitExceptionInfo
*ei
= &clauses
[i
];
3178 ei
->flags
= decode_value (p
, &p
);
3180 if (!(ei
->flags
== MONO_EXCEPTION_CLAUSE_FILTER
|| ei
->flags
== MONO_EXCEPTION_CLAUSE_FINALLY
)) {
3181 int len
= decode_value (p
, &p
);
3187 ei
->data
.catch_class
= decode_klass_ref (amodule
, p
, &p
, error
);
3188 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3193 ei
->clause_index
= i
;
3195 ei
->try_offset
= decode_value (p
, &p
);
3196 ei
->try_len
= decode_value (p
, &p
);
3197 ei
->handler_offset
= decode_value (p
, &p
);
3198 ei
->handler_len
= decode_value (p
, &p
);
3200 /* Read the list of nesting clauses */
3202 int nesting_index
= decode_value (p
, &p
);
3203 if (nesting_index
== -1)
3207 nesting
[i
] = g_slist_prepend (nesting
[i
], GINT_TO_POINTER (nesting_index
));
3211 flags
|= JIT_INFO_HAS_UNWIND_INFO
;
3213 int num_llvm_clauses
;
3214 /* Get the length first */
3215 decode_llvm_mono_eh_frame (amodule
, domain
, NULL
, code
, code_len
, clauses
, num_clauses
, nesting
, &this_reg
, &this_offset
, &num_llvm_clauses
);
3216 len
= mono_jit_info_size (flags
, num_llvm_clauses
, num_holes
);
3217 jinfo
= (MonoJitInfo
*)alloc0_jit_info_data (domain
, len
, async
);
3218 mono_jit_info_init (jinfo
, method
, code
, code_len
, flags
, num_llvm_clauses
, num_holes
);
3220 decode_llvm_mono_eh_frame (amodule
, domain
, jinfo
, code
, code_len
, clauses
, num_clauses
, nesting
, &this_reg
, &this_offset
, NULL
);
3224 for (i
= 0; i
< num_clauses
; ++i
)
3225 g_slist_free (nesting
[i
]);
3228 jinfo
->from_llvm
= 1;
3230 len
= mono_jit_info_size (flags
, num_clauses
, num_holes
);
3231 jinfo
= (MonoJitInfo
*)alloc0_jit_info_data (domain
, len
, async
);
3232 mono_jit_info_init (jinfo
, method
, code
, code_len
, flags
, num_clauses
, num_holes
);
3234 for (i
= 0; i
< jinfo
->num_clauses
; ++i
) {
3235 MonoJitExceptionInfo
*ei
= &jinfo
->clauses
[i
];
3237 ei
->flags
= decode_value (p
, &p
);
3239 #ifdef MONO_CONTEXT_SET_LLVM_EXC_REG
3240 /* Not used for catch clauses */
3241 if (ei
->flags
!= MONO_EXCEPTION_CLAUSE_NONE
)
3242 ei
->exvar_offset
= decode_value (p
, &p
);
3244 ei
->exvar_offset
= decode_value (p
, &p
);
3247 if (ei
->flags
== MONO_EXCEPTION_CLAUSE_FILTER
|| ei
->flags
== MONO_EXCEPTION_CLAUSE_FINALLY
)
3248 ei
->data
.filter
= code
+ decode_value (p
, &p
);
3250 int len
= decode_value (p
, &p
);
3256 ei
->data
.catch_class
= decode_klass_ref (amodule
, p
, &p
, error
);
3257 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3262 ei
->try_start
= code
+ decode_value (p
, &p
);
3263 ei
->try_end
= code
+ decode_value (p
, &p
);
3264 ei
->handler_start
= code
+ decode_value (p
, &p
);
3267 jinfo
->unwind_info
= unwind_info
;
3268 jinfo
->domain_neutral
= 0;
3269 jinfo
->from_aot
= 1;
3272 if (has_try_block_holes
) {
3273 MonoTryBlockHoleTableJitInfo
*table
;
3275 g_assert (jinfo
->has_try_block_holes
);
3277 table
= mono_jit_info_get_try_block_hole_table_info (jinfo
);
3280 table
->num_holes
= (guint16
)num_holes
;
3281 for (i
= 0; i
< num_holes
; ++i
) {
3282 MonoTryBlockHoleJitInfo
*hole
= &table
->holes
[i
];
3283 hole
->clause
= decode_value (p
, &p
);
3284 hole
->length
= decode_value (p
, &p
);
3285 hole
->offset
= decode_value (p
, &p
);
3289 if (has_arch_eh_jit_info
) {
3290 MonoArchEHJitInfo
*eh_info
;
3292 g_assert (jinfo
->has_arch_eh_info
);
3294 eh_info
= mono_jit_info_get_arch_eh_info (jinfo
);
3295 eh_info
->stack_size
= decode_value (p
, &p
);
3296 eh_info
->epilog_size
= decode_value (p
, &p
);
3300 /* The rest is not needed in async mode */
3301 jinfo
->async
= TRUE
;
3302 jinfo
->d
.aot_info
= amodule
;
3307 if (has_generic_jit_info
) {
3308 MonoGenericJitInfo
*gi
;
3311 g_assert (jinfo
->has_generic_jit_info
);
3313 gi
= mono_jit_info_get_generic_jit_info (jinfo
);
3316 gi
->nlocs
= decode_value (p
, &p
);
3318 gi
->locations
= (MonoDwarfLocListEntry
*)alloc0_jit_info_data (domain
, gi
->nlocs
* sizeof (MonoDwarfLocListEntry
), async
);
3319 for (i
= 0; i
< gi
->nlocs
; ++i
) {
3320 MonoDwarfLocListEntry
*entry
= &gi
->locations
[i
];
3322 entry
->is_reg
= decode_value (p
, &p
);
3323 entry
->reg
= decode_value (p
, &p
);
3325 entry
->offset
= decode_value (p
, &p
);
3327 entry
->from
= decode_value (p
, &p
);
3328 entry
->to
= decode_value (p
, &p
);
3333 gi
->has_this
= this_reg
!= -1;
3334 gi
->this_reg
= this_reg
;
3335 gi
->this_offset
= this_offset
;
3337 gi
->has_this
= decode_value (p
, &p
);
3338 gi
->this_reg
= decode_value (p
, &p
);
3339 gi
->this_offset
= decode_value (p
, &p
);
3343 len
= decode_value (p
, &p
);
3347 jinfo
->d
.method
= decode_resolve_method_ref (amodule
, p
, &p
, error
);
3348 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3351 gi
->generic_sharing_context
= alloc0_jit_info_data (domain
, sizeof (MonoGenericSharingContext
), async
);
3352 if (decode_value (p
, &p
)) {
3354 MonoGenericSharingContext
*gsctx
= gi
->generic_sharing_context
;
3356 gsctx
->is_gsharedvt
= TRUE
;
3360 if (method
&& has_seq_points
) {
3361 MonoSeqPointInfo
*seq_points
;
3363 p
+= mono_seq_point_info_read (&seq_points
, p
, FALSE
);
3365 mono_domain_lock (domain
);
3366 /* This could be set already since this function can be called more than once for the same method */
3367 if (!g_hash_table_lookup (domain_jit_info (domain
)->seq_points
, method
))
3368 g_hash_table_insert (domain_jit_info (domain
)->seq_points
, method
, seq_points
);
3370 mono_seq_point_info_free (seq_points
);
3371 mono_domain_unlock (domain
);
3373 jinfo
->seq_points
= seq_points
;
3376 /* Load debug info */
3377 buf_len
= decode_value (p
, &p
);
3379 mono_debug_add_aot_method (domain
, method
, code
, p
, buf_len
);
3383 int map_size
= decode_value (p
, &p
);
3384 /* The GC map requires 4 bytes of alignment */
3385 while ((guint64
)(gsize
)p
% 4)
3391 if (amodule
!= m_class_get_image (jinfo
->d
.method
->klass
)->aot_module
) {
3394 ji_to_amodule
= g_hash_table_new (NULL
, NULL
);
3395 g_hash_table_insert (ji_to_amodule
, jinfo
, amodule
);
3403 amodule_contains_code_addr (MonoAotModule
*amodule
, guint8
*code
)
3405 return (code
>= amodule
->jit_code_start
&& code
<= amodule
->jit_code_end
) ||
3406 (code
>= amodule
->llvm_code_start
&& code
<= amodule
->llvm_code_end
);
3410 * mono_aot_get_unwind_info:
3412 * Return a pointer to the DWARF unwind info belonging to JI.
3415 mono_aot_get_unwind_info (MonoJitInfo
*ji
, guint32
*unwind_info_len
)
3417 MonoAotModule
*amodule
;
3419 guint8
*code
= (guint8
*)ji
->code_start
;
3422 amodule
= ji
->d
.aot_info
;
3424 amodule
= m_class_get_image (jinfo_get_method (ji
)->klass
)->aot_module
;
3426 g_assert (ji
->from_aot
);
3428 if (!amodule_contains_code_addr (amodule
, code
)) {
3429 /* ji belongs to a different aot module than amodule */
3431 g_assert (ji_to_amodule
);
3432 amodule
= (MonoAotModule
*)g_hash_table_lookup (ji_to_amodule
, ji
);
3434 g_assert (amodule_contains_code_addr (amodule
, code
));
3438 p
= amodule
->unwind_info
+ ji
->unwind_info
;
3439 *unwind_info_len
= decode_value (p
, &p
);
3444 msort_method_addresses_internal (gpointer
*array
, int *indexes
, int lo
, int hi
, gpointer
*scratch
, int *scratch_indexes
)
3446 int mid
= (lo
+ hi
) / 2;
3453 for (i
= lo
; i
< hi
; ++i
)
3454 if (array
[i
] > array
[i
+ 1])
3457 /* Already sorted */
3461 msort_method_addresses_internal (array
, indexes
, lo
, mid
, scratch
, scratch_indexes
);
3462 msort_method_addresses_internal (array
, indexes
, mid
+ 1, hi
, scratch
, scratch_indexes
);
3464 if (array
[mid
] < array
[mid
+ 1])
3470 for (i
= lo
; i
<= hi
; i
++) {
3471 if (t_lo
<= mid
&& ((t_hi
> hi
) || array
[t_lo
] < array
[t_hi
])) {
3472 scratch
[i
] = array
[t_lo
];
3473 scratch_indexes
[i
] = indexes
[t_lo
];
3476 scratch
[i
] = array
[t_hi
];
3477 scratch_indexes
[i
] = indexes
[t_hi
];
3481 for (i
= lo
; i
<= hi
; ++i
) {
3482 array
[i
] = scratch
[i
];
3483 indexes
[i
] = scratch_indexes
[i
];
3488 msort_method_addresses (gpointer
*array
, int *indexes
, int len
)
3491 int *scratch_indexes
;
3493 scratch
= g_new (gpointer
, len
);
3494 scratch_indexes
= g_new (int, len
);
3495 msort_method_addresses_internal (array
, indexes
, 0, len
- 1, scratch
, scratch_indexes
);
3497 g_free (scratch_indexes
);
3501 * mono_aot_find_jit_info:
3503 * In async context, the resulting MonoJitInfo will not have its method field set, and it will not be added
3504 * to the jit info tables.
3505 * FIXME: Large sizes in the lock free allocator
3508 mono_aot_find_jit_info (MonoDomain
*domain
, MonoImage
*image
, gpointer addr
)
3511 int pos
, left
, right
, code_len
;
3512 int method_index
, table_len
;
3514 MonoAotModule
*amodule
= image
->aot_module
;
3515 MonoMethod
*method
= NULL
;
3517 guint8
*code
, *ex_info
, *p
;
3521 guint8
*code1
, *code2
;
3528 nmethods
= amodule
->info
.nmethods
;
3530 if (domain
!= mono_get_root_domain ())
3534 if (!amodule_contains_code_addr (amodule
, (guint8
*)addr
))
3537 async
= mono_thread_info_is_async_context ();
3539 /* Compute a sorted table mapping code to method indexes. */
3540 if (!amodule
->sorted_methods
) {
3542 gpointer
*methods
= g_new0 (gpointer
, nmethods
);
3543 int *method_indexes
= g_new0 (int, nmethods
);
3544 int methods_len
= 0;
3546 for (i
= 0; i
< nmethods
; ++i
) {
3547 /* Skip the -1 entries to speed up sorting */
3548 if (amodule
->methods
[i
] == GINT_TO_POINTER (-1))
3550 methods
[methods_len
] = amodule
->methods
[i
];
3551 method_indexes
[methods_len
] = i
;
3554 /* Use a merge sort as this is mostly sorted */
3555 msort_method_addresses (methods
, method_indexes
, methods_len
);
3556 for (i
= 0; i
< methods_len
-1; ++i
)
3557 g_assert (methods
[i
] <= methods
[i
+ 1]);
3558 amodule
->sorted_methods_len
= methods_len
;
3559 if (mono_atomic_cas_ptr ((gpointer
*)&amodule
->sorted_methods
, methods
, NULL
) != NULL
)
3560 /* Somebody got in before us */
3562 if (mono_atomic_cas_ptr ((gpointer
*)&amodule
->sorted_method_indexes
, method_indexes
, NULL
) != NULL
)
3563 /* Somebody got in before us */
3564 g_free (method_indexes
);
3567 /* Binary search in the sorted_methods table */
3568 methods
= amodule
->sorted_methods
;
3569 methods_len
= amodule
->sorted_methods_len
;
3570 code
= (guint8
*)addr
;
3572 right
= methods_len
;
3574 pos
= (left
+ right
) / 2;
3576 code1
= (guint8
*)methods
[pos
];
3577 if (pos
+ 1 == methods_len
) {
3578 if (code1
>= amodule
->jit_code_start
&& code1
< amodule
->jit_code_end
)
3579 code2
= amodule
->jit_code_end
;
3581 code2
= amodule
->llvm_code_end
;
3583 code2
= (guint8
*)methods
[pos
+ 1];
3588 else if (code
>= code2
)
3594 g_assert (addr
>= methods
[pos
]);
3595 if (pos
+ 1 < methods_len
)
3596 g_assert (addr
< methods
[pos
+ 1]);
3597 method_index
= amodule
->sorted_method_indexes
[pos
];
3599 /* In async mode, jinfo is not added to the normal jit info table, so have to cache it ourselves */
3601 JitInfoMap
*table
= amodule
->async_jit_info_table
;
3605 len
= table
[0].method_index
;
3606 for (i
= 1; i
< len
; ++i
) {
3607 if (table
[i
].method_index
== method_index
)
3608 return table
[i
].jinfo
;
3613 code
= (guint8
*)amodule
->methods
[method_index
];
3614 ex_info
= &amodule
->blob
[mono_aot_get_offset (amodule
->ex_info_offsets
, method_index
)];
3616 if (pos
== methods_len
- 1) {
3617 if (code
>= amodule
->jit_code_start
&& code
< amodule
->jit_code_end
)
3618 code_len
= amodule
->jit_code_end
- code
;
3620 code_len
= amodule
->llvm_code_end
- code
;
3622 code_len
= (guint8
*)methods
[pos
+ 1] - (guint8
*)methods
[pos
];
3625 g_assert ((guint8
*)code
<= (guint8
*)addr
&& (guint8
*)addr
< (guint8
*)code
+ code_len
);
3627 /* Might be a wrapper/extra method */
3629 if (amodule
->extra_methods
) {
3630 amodule_lock (amodule
);
3631 method
= (MonoMethod
*)g_hash_table_lookup (amodule
->extra_methods
, GUINT_TO_POINTER (method_index
));
3632 amodule_unlock (amodule
);
3638 if (method_index
>= image
->tables
[MONO_TABLE_METHOD
].rows
) {
3640 * This is hit for extra methods which are called directly, so they are
3641 * not in amodule->extra_methods.
3643 table_len
= amodule
->extra_method_info_offsets
[0];
3644 table
= amodule
->extra_method_info_offsets
+ 1;
3651 pos
= ((left
+ right
) / 2);
3653 g_assert (pos
< table_len
);
3655 if (table
[pos
* 2] < method_index
)
3657 else if (table
[pos
* 2] > method_index
)
3663 p
= amodule
->blob
+ table
[(pos
* 2) + 1];
3664 method
= decode_resolve_method_ref (amodule
, p
, &p
, error
);
3665 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3667 /* Happens when a random address is passed in which matches a not-yey called wrapper encoded using its name */
3671 token
= mono_metadata_make_token (MONO_TABLE_METHOD
, method_index
+ 1);
3672 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
3674 g_error ("AOT runtime could not load method due to %s", mono_error_get_message (error
)); /* FIXME don't swallow the error */
3681 //printf ("F: %s\n", mono_method_full_name (method, TRUE));
3683 jinfo
= decode_exception_debug_info (amodule
, domain
, method
, ex_info
, code
, code_len
);
3685 g_assert ((guint8
*)addr
>= (guint8
*)jinfo
->code_start
);
3687 /* Add it to the normal JitInfo tables */
3689 JitInfoMap
*old_table
, *new_table
;
3693 * Use a simple inmutable table with linear search to cache async jit info entries.
3694 * This assumes that the number of entries is small.
3697 /* Copy the table, adding a new entry at the end */
3698 old_table
= amodule
->async_jit_info_table
;
3700 len
= old_table
[0].method_index
;
3703 new_table
= (JitInfoMap
*)alloc0_jit_info_data (domain
, (len
+ 1) * sizeof (JitInfoMap
), async
);
3705 memcpy (new_table
, old_table
, len
* sizeof (JitInfoMap
));
3706 new_table
[0].method_index
= len
+ 1;
3707 new_table
[len
].method_index
= method_index
;
3708 new_table
[len
].jinfo
= jinfo
;
3710 mono_memory_barrier ();
3711 if (mono_atomic_cas_ptr ((volatile gpointer
*)&amodule
->async_jit_info_table
, new_table
, old_table
) == old_table
)
3715 mono_jit_info_table_add (domain
, jinfo
);
3718 if ((guint8
*)addr
>= (guint8
*)jinfo
->code_start
+ jinfo
->code_size
)
3719 /* addr is in the padding between methods, see the adjustment of code_size in decode_exception_debug_info () */
3726 decode_patch (MonoAotModule
*aot_module
, MonoMemPool
*mp
, MonoJumpInfo
*ji
, guint8
*buf
, guint8
**endbuf
)
3735 case MONO_PATCH_INFO_METHOD
:
3736 case MONO_PATCH_INFO_METHOD_JUMP
:
3737 case MONO_PATCH_INFO_METHOD_FTNDESC
:
3738 case MONO_PATCH_INFO_ICALL_ADDR
:
3739 case MONO_PATCH_INFO_ICALL_ADDR_CALL
:
3740 case MONO_PATCH_INFO_METHOD_RGCTX
:
3741 case MONO_PATCH_INFO_METHOD_CODE_SLOT
: {
3745 res
= decode_method_ref (aot_module
, &ref
, p
, &p
, error
);
3746 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
3750 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
)) {
3751 ji
->data
.target
= mono_create_ftnptr (mono_domain_get (), mono_create_jit_trampoline_from_token (ref
.image
, ref
.token
));
3752 ji
->type
= MONO_PATCH_INFO_ABS
;
3756 ji
->data
.method
= ref
.method
;
3759 ji
->data
.method
= mono_get_method_checked (ref
.image
, ref
.token
, NULL
, NULL
, error
);
3760 if (!ji
->data
.method
)
3761 g_error ("AOT Runtime could not load method due to %s", mono_error_get_message (error
)); /* FIXME don't swallow the error */
3763 g_assert (ji
->data
.method
);
3764 mono_class_init_internal (ji
->data
.method
->klass
);
3768 case MONO_PATCH_INFO_LDSTR_LIT
:
3770 guint32 len
= decode_value (p
, &p
);
3772 ji
->data
.name
= (char*)p
;
3776 case MONO_PATCH_INFO_METHODCONST
:
3778 ji
->data
.method
= decode_resolve_method_ref (aot_module
, p
, &p
, error
);
3779 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3780 if (!ji
->data
.method
)
3783 case MONO_PATCH_INFO_VTABLE
:
3784 case MONO_PATCH_INFO_CLASS
:
3785 case MONO_PATCH_INFO_IID
:
3786 case MONO_PATCH_INFO_ADJUSTED_IID
:
3788 ji
->data
.klass
= decode_klass_ref (aot_module
, p
, &p
, error
);
3789 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3790 if (!ji
->data
.klass
)
3793 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE
:
3794 ji
->data
.del_tramp
= (MonoDelegateClassMethodPair
*)mono_mempool_alloc0 (mp
, sizeof (MonoDelegateClassMethodPair
));
3795 ji
->data
.del_tramp
->klass
= decode_klass_ref (aot_module
, p
, &p
, error
);
3796 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3797 if (!ji
->data
.del_tramp
->klass
)
3799 if (decode_value (p
, &p
)) {
3800 ji
->data
.del_tramp
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, error
);
3801 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3802 if (!ji
->data
.del_tramp
->method
)
3805 ji
->data
.del_tramp
->is_virtual
= decode_value (p
, &p
) ? TRUE
: FALSE
;
3807 case MONO_PATCH_INFO_IMAGE
:
3808 ji
->data
.image
= load_image (aot_module
, decode_value (p
, &p
), error
);
3809 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3810 if (!ji
->data
.image
)
3813 case MONO_PATCH_INFO_FIELD
:
3814 case MONO_PATCH_INFO_SFLDA
:
3816 ji
->data
.field
= decode_field_info (aot_module
, p
, &p
);
3817 if (!ji
->data
.field
)
3820 case MONO_PATCH_INFO_SWITCH
:
3821 ji
->data
.table
= (MonoJumpInfoBBTable
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoBBTable
));
3822 ji
->data
.table
->table_size
= decode_value (p
, &p
);
3823 table
= (void **)mono_domain_alloc (mono_domain_get (), sizeof (gpointer
) * ji
->data
.table
->table_size
);
3824 ji
->data
.table
->table
= (MonoBasicBlock
**)table
;
3825 for (i
= 0; i
< ji
->data
.table
->table_size
; i
++)
3826 table
[i
] = (gpointer
)(gssize
)decode_value (p
, &p
);
3828 case MONO_PATCH_INFO_R4
: {
3831 ji
->data
.target
= mono_domain_alloc0 (mono_domain_get (), sizeof (float));
3832 val
= decode_value (p
, &p
);
3833 *(float*)ji
->data
.target
= *(float*)&val
;
3836 case MONO_PATCH_INFO_R8
: {
3840 ji
->data
.target
= mono_domain_alloc0 (mono_domain_get (), sizeof (double));
3842 val
[0] = decode_value (p
, &p
);
3843 val
[1] = decode_value (p
, &p
);
3844 v
= ((guint64
)val
[1] << 32) | ((guint64
)val
[0]);
3845 *(double*)ji
->data
.target
= *(double*)&v
;
3848 case MONO_PATCH_INFO_LDSTR
:
3849 image
= load_image (aot_module
, decode_value (p
, &p
), error
);
3850 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3853 ji
->data
.token
= mono_jump_info_token_new (mp
, image
, MONO_TOKEN_STRING
+ decode_value (p
, &p
));
3855 case MONO_PATCH_INFO_RVA
:
3856 case MONO_PATCH_INFO_DECLSEC
:
3857 case MONO_PATCH_INFO_LDTOKEN
:
3858 case MONO_PATCH_INFO_TYPE_FROM_HANDLE
:
3860 image
= load_image (aot_module
, decode_value (p
, &p
), error
);
3861 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3864 ji
->data
.token
= mono_jump_info_token_new (mp
, image
, decode_value (p
, &p
));
3866 ji
->data
.token
->has_context
= decode_value (p
, &p
);
3867 if (ji
->data
.token
->has_context
) {
3868 gboolean res
= decode_generic_context (aot_module
, &ji
->data
.token
->context
, p
, &p
, error
);
3869 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3874 case MONO_PATCH_INFO_EXC_NAME
:
3875 ji
->data
.klass
= decode_klass_ref (aot_module
, p
, &p
, error
);
3876 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3877 if (!ji
->data
.klass
)
3879 ji
->data
.name
= m_class_get_name (ji
->data
.klass
);
3881 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG
:
3882 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR
:
3883 case MONO_PATCH_INFO_GC_NURSERY_START
:
3884 case MONO_PATCH_INFO_GC_NURSERY_BITS
:
3885 case MONO_PATCH_INFO_PROFILER_ALLOCATION_COUNT
:
3886 case MONO_PATCH_INFO_PROFILER_CLAUSE_COUNT
:
3888 case MONO_PATCH_INFO_SPECIFIC_TRAMPOLINE_LAZY_FETCH_ADDR
:
3889 ji
->data
.uindex
= decode_value (p
, &p
);
3891 case MONO_PATCH_INFO_TRAMPOLINE_FUNC_ADDR
:
3892 case MONO_PATCH_INFO_CASTCLASS_CACHE
:
3893 ji
->data
.index
= decode_value (p
, &p
);
3895 case MONO_PATCH_INFO_JIT_ICALL_ID
:
3896 case MONO_PATCH_INFO_JIT_ICALL_ADDR
:
3897 case MONO_PATCH_INFO_JIT_ICALL_ADDR_NOCALL
:
3898 ji
->data
.jit_icall_id
= (MonoJitICallId
)decode_value (p
, &p
);
3900 case MONO_PATCH_INFO_RGCTX_FETCH
:
3901 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX
: {
3903 MonoJumpInfoRgctxEntry
*entry
;
3904 guint32 offset
, val
;
3907 offset
= decode_value (p
, &p
);
3908 val
= decode_value (p
, &p
);
3910 entry
= (MonoJumpInfoRgctxEntry
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoRgctxEntry
));
3911 p2
= aot_module
->blob
+ offset
;
3912 entry
->in_mrgctx
= ((val
& 1) > 0) ? TRUE
: FALSE
;
3913 if (entry
->in_mrgctx
)
3914 entry
->d
.method
= decode_resolve_method_ref (aot_module
, p2
, &p2
, error
);
3916 entry
->d
.klass
= decode_klass_ref (aot_module
, p2
, &p2
, error
);
3917 entry
->info_type
= (MonoRgctxInfoType
)((val
>> 1) & 0xff);
3918 entry
->data
= (MonoJumpInfo
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfo
));
3919 entry
->data
->type
= (MonoJumpInfoType
)((val
>> 9) & 0xff);
3920 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3922 res
= decode_patch (aot_module
, mp
, entry
->data
, p
, &p
);
3925 ji
->data
.rgctx_entry
= entry
;
3928 case MONO_PATCH_INFO_SEQ_POINT_INFO
:
3929 case MONO_PATCH_INFO_AOT_MODULE
:
3930 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR
:
3932 case MONO_PATCH_INFO_SIGNATURE
:
3933 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER
:
3934 ji
->data
.target
= decode_signature (aot_module
, p
, &p
);
3936 case MONO_PATCH_INFO_GSHAREDVT_CALL
: {
3937 MonoJumpInfoGSharedVtCall
*info
= (MonoJumpInfoGSharedVtCall
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoGSharedVtCall
));
3938 info
->sig
= decode_signature (aot_module
, p
, &p
);
3939 g_assert (info
->sig
);
3940 info
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, error
);
3941 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
3943 ji
->data
.target
= info
;
3946 case MONO_PATCH_INFO_GSHAREDVT_METHOD
: {
3947 MonoGSharedVtMethodInfo
*info
= (MonoGSharedVtMethodInfo
*)mono_mempool_alloc0 (mp
, sizeof (MonoGSharedVtMethodInfo
));
3950 info
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, error
);
3951 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
3953 info
->num_entries
= decode_value (p
, &p
);
3954 info
->count_entries
= info
->num_entries
;
3955 info
->entries
= (MonoRuntimeGenericContextInfoTemplate
*)mono_mempool_alloc0 (mp
, sizeof (MonoRuntimeGenericContextInfoTemplate
) * info
->num_entries
);
3956 for (i
= 0; i
< info
->num_entries
; ++i
) {
3957 MonoRuntimeGenericContextInfoTemplate
*template_
= &info
->entries
[i
];
3959 template_
->info_type
= (MonoRgctxInfoType
)decode_value (p
, &p
);
3960 switch (mini_rgctx_info_type_to_patch_info_type (template_
->info_type
)) {
3961 case MONO_PATCH_INFO_CLASS
: {
3962 MonoClass
*klass
= decode_klass_ref (aot_module
, p
, &p
, error
);
3963 mono_error_cleanup (error
); /* FIXME don't swallow the error */
3966 template_
->data
= m_class_get_byval_arg (klass
);
3969 case MONO_PATCH_INFO_FIELD
:
3970 template_
->data
= decode_field_info (aot_module
, p
, &p
);
3971 if (!template_
->data
)
3975 g_assert_not_reached ();
3979 ji
->data
.target
= info
;
3982 case MONO_PATCH_INFO_VIRT_METHOD
: {
3983 MonoJumpInfoVirtMethod
*info
= (MonoJumpInfoVirtMethod
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoVirtMethod
));
3985 info
->klass
= decode_klass_ref (aot_module
, p
, &p
, error
);
3986 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
3988 info
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, error
);
3989 mono_error_assert_ok (error
); /* FIXME don't swallow the error */
3991 ji
->data
.target
= info
;
3994 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG
:
3996 case MONO_PATCH_INFO_GET_TLS_TRAMP
:
3997 case MONO_PATCH_INFO_SET_TLS_TRAMP
:
3998 case MONO_PATCH_INFO_AOT_JIT_INFO
:
3999 ji
->data
.index
= decode_value (p
, &p
);
4002 g_warning ("unhandled type %d", ji
->type
);
4003 g_assert_not_reached ();
4017 * Decode a list of patches identified by the got offsets in GOT_OFFSETS. Return an array of
4018 * MonoJumpInfo structures allocated from MP.
4020 static MonoJumpInfo
*
4021 decode_patches (MonoAotModule
*amodule
, MonoMemPool
*mp
, int n_patches
, gboolean llvm
, guint32
*got_offsets
)
4023 MonoJumpInfo
*patches
;
4026 guint32
*got_info_offsets
;
4031 got
= amodule
->llvm_got
;
4032 got_info_offsets
= (guint32
*)amodule
->llvm_got_info_offsets
;
4035 got_info_offsets
= (guint32
*)amodule
->got_info_offsets
;
4038 patches
= (MonoJumpInfo
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfo
) * n_patches
);
4039 for (i
= 0; i
< n_patches
; ++i
) {
4040 guint8
*p
= amodule
->blob
+ mono_aot_get_offset (got_info_offsets
, got_offsets
[i
]);
4043 ji
->type
= (MonoJumpInfoType
)decode_value (p
, &p
);
4045 /* See load_method () for SFLDA */
4046 if (got
&& got
[got_offsets
[i
]] && ji
->type
!= MONO_PATCH_INFO_SFLDA
) {
4047 /* Already loaded */
4049 res
= decode_patch (amodule
, mp
, ji
, p
, &p
);
4058 static MonoJumpInfo
*
4059 load_patch_info (MonoAotModule
*amodule
, MonoMemPool
*mp
, int n_patches
,
4060 gboolean llvm
, guint32
**got_slots
,
4061 guint8
*buf
, guint8
**endbuf
)
4063 MonoJumpInfo
*patches
;
4069 *got_slots
= (guint32
*)g_malloc (sizeof (guint32
) * n_patches
);
4070 for (pindex
= 0; pindex
< n_patches
; ++pindex
) {
4071 (*got_slots
)[pindex
] = decode_value (p
, &p
);
4074 patches
= decode_patches (amodule
, mp
, n_patches
, llvm
, *got_slots
);
4076 g_free (*got_slots
);
4086 register_jump_target_got_slot (MonoDomain
*domain
, MonoMethod
*method
, gpointer
*got_slot
)
4089 * Jump addresses cannot be patched by the trampoline code since it
4090 * does not have access to the caller's address. Instead, we collect
4091 * the addresses of the GOT slots pointing to a method, and patch
4092 * them after the method has been compiled.
4094 MonoJitDomainInfo
*info
= domain_jit_info (domain
);
4096 MonoMethod
*shared_method
= mini_method_to_shared (method
);
4097 method
= shared_method
? shared_method
: method
;
4099 mono_domain_lock (domain
);
4100 if (!info
->jump_target_got_slot_hash
)
4101 info
->jump_target_got_slot_hash
= g_hash_table_new (NULL
, NULL
);
4102 list
= (GSList
*)g_hash_table_lookup (info
->jump_target_got_slot_hash
, method
);
4103 list
= g_slist_prepend (list
, got_slot
);
4104 g_hash_table_insert (info
->jump_target_got_slot_hash
, method
, list
);
4105 mono_domain_unlock (domain
);
4111 * Load the method identified by METHOD_INDEX from the AOT image. Return a
4112 * pointer to the native code of the method, or NULL if not found.
4113 * METHOD might not be set if the caller only has the image/token info.
4116 load_method (MonoDomain
*domain
, MonoAotModule
*amodule
, MonoImage
*image
, MonoMethod
*method
, guint32 token
, int method_index
,
4119 MonoJitInfo
*jinfo
= NULL
;
4120 guint8
*code
= NULL
, *info
;
4125 init_amodule_got (amodule
);
4127 if (domain
!= mono_get_root_domain ())
4128 /* Non shared AOT code can't be used in other appdomains */
4131 if (amodule
->out_of_date
)
4134 if (amodule
->info
.llvm_get_method
) {
4136 * Obtain the method address by calling a generated function in the LLVM module.
4138 gpointer (*get_method
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_method
;
4139 code
= (guint8
*)get_method (method_index
);
4143 if (method_index
< amodule
->info
.nmethods
)
4144 code
= (guint8
*)amodule
->methods
[method_index
];
4149 if (amodule
->methods
[method_index
] == GINT_TO_POINTER (-1)) {
4150 if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
)) {
4154 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
4158 if (!(method
->iflags
& METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL
)) {
4159 full_name
= mono_method_full_name (method
, TRUE
);
4160 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT: NOT FOUND: %s.", full_name
);
4168 info
= &amodule
->blob
[mono_aot_get_offset (amodule
->method_info_offsets
, method_index
)];
4170 if (!amodule
->methods_loaded
) {
4171 amodule_lock (amodule
);
4172 if (!amodule
->methods_loaded
) {
4175 loaded
= g_new0 (guint32
, amodule
->info
.nmethods
/ 32 + 1);
4176 mono_memory_barrier ();
4177 amodule
->methods_loaded
= loaded
;
4179 amodule_unlock (amodule
);
4182 if ((amodule
->methods_loaded
[method_index
/ 32] >> (method_index
% 32)) & 0x1)
4185 if (mini_debug_options
.aot_skip_set
&& !(method
&& method
->wrapper_type
)) {
4186 gint32 methods_aot
= mono_atomic_load_i32 (&mono_jit_stats
.methods_aot
);
4187 if (methods_aot
== mini_debug_options
.aot_skip
) {
4189 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
4194 char *name
= mono_method_full_name (method
, TRUE
);
4195 g_print ("NON AOT METHOD: %s.\n", name
);
4198 g_print ("NON AOT METHOD: %p %d\n", code
, method_index
);
4200 mini_debug_options
.aot_skip_set
= FALSE
;
4205 if (mono_last_aot_method
!= -1) {
4206 gint32 methods_aot
= mono_atomic_load_i32 (&mono_jit_stats
.methods_aot
);
4207 if (methods_aot
>= mono_last_aot_method
)
4209 else if (methods_aot
== mono_last_aot_method
- 1) {
4211 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
4216 char *name
= mono_method_full_name (method
, TRUE
);
4217 g_print ("LAST AOT METHOD: %s.\n", name
);
4220 g_print ("LAST AOT METHOD: %p %d\n", code
, method_index
);
4225 if (!(is_llvm_code (amodule
, code
) && (amodule
->info
.flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) ||
4226 (mono_llvm_only
&& method
&& method
->wrapper_type
== MONO_WRAPPER_NATIVE_TO_MANAGED
)) {
4227 res
= init_method (amodule
, method_index
, method
, NULL
, error
);
4232 if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
)) {
4236 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
4241 full_name
= mono_method_full_name (method
, TRUE
);
4244 jinfo
= mono_aot_find_jit_info (domain
, amodule
->assembly
->image
, code
);
4246 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT: FOUND method %s [%p - %p %p]", full_name
, code
, code
+ jinfo
->code_size
, info
);
4250 if (mono_llvm_only
) {
4253 info
= &amodule
->blob
[mono_aot_get_offset (amodule
->method_info_offsets
, method_index
)];
4255 guint8 flags
= decode_value (p
, &p
);
4256 /* The caller needs to looks this up, but its hard to do without constructing the full MonoJitInfo, so save it here */
4257 if (flags
& MONO_AOT_METHOD_FLAG_GSHAREDVT_VARIABLE
) {
4259 if (!code_to_method_flags
)
4260 code_to_method_flags
= g_hash_table_new (NULL
, NULL
);
4261 g_hash_table_insert (code_to_method_flags
, code
, GUINT_TO_POINTER (flags
));
4266 amodule_lock (amodule
);
4270 mono_atomic_inc_i32 (&mono_jit_stats
.methods_aot
);
4272 if (method
&& method
->wrapper_type
)
4273 g_hash_table_insert (amodule
->method_to_code
, method
, code
);
4275 /* Commit changes since methods_loaded is accessed outside the lock */
4276 mono_memory_barrier ();
4278 amodule
->methods_loaded
[method_index
/ 32] |= 1 << (method_index
% 32);
4280 amodule_unlock (amodule
);
4282 if (MONO_PROFILER_ENABLED (jit_begin
) || MONO_PROFILER_ENABLED (jit_done
)) {
4286 method
= mono_get_method_checked (amodule
->assembly
->image
, token
, NULL
, NULL
, error
);
4290 MONO_PROFILER_RAISE (jit_begin
, (method
));
4291 jinfo
= mono_jit_info_table_find (domain
, code
);
4293 MONO_PROFILER_RAISE (jit_done
, (method
, jinfo
));
4305 /** find_aot_method_in_amodule
4307 * \param code_amodule The AOT module containing the code pointer
4308 * \param method The method to find the code index for
4309 * \param hash_full The hash for the method
4312 find_aot_method_in_amodule (MonoAotModule
*code_amodule
, MonoMethod
*method
, guint32 hash_full
)
4315 guint32 table_size
, entry_size
, hash
;
4316 guint32
*table
, *entry
;
4318 static guint32 n_extra_decodes
;
4320 // The AOT module containing the MonoMethod
4321 // The reference to the metadata amodule will differ among multiple dedup methods
4322 // which mangle to the same name but live in different assemblies. This leads to
4323 // the caching breaking. The solution seems to be to cache using the "metadata" amodule.
4324 MonoAotModule
*metadata_amodule
= m_class_get_image (method
->klass
)->aot_module
;
4326 if (!metadata_amodule
|| metadata_amodule
->out_of_date
|| !code_amodule
|| code_amodule
->out_of_date
)
4329 table_size
= code_amodule
->extra_method_table
[0];
4330 hash
= hash_full
% table_size
;
4331 table
= code_amodule
->extra_method_table
+ 1;
4334 entry
= &table
[hash
* entry_size
];
4341 guint32 key
= entry
[0];
4342 guint32 value
= entry
[1];
4343 guint32 next
= entry
[entry_size
- 1];
4347 p
= code_amodule
->blob
+ key
;
4350 amodule_lock (metadata_amodule
);
4351 if (!metadata_amodule
->method_ref_to_method
)
4352 metadata_amodule
->method_ref_to_method
= g_hash_table_new (NULL
, NULL
);
4353 m
= (MonoMethod
*)g_hash_table_lookup (metadata_amodule
->method_ref_to_method
, p
);
4354 amodule_unlock (metadata_amodule
);
4356 m
= decode_resolve_method_ref_with_target (code_amodule
, method
, p
, &p
, error
);
4357 mono_error_cleanup (error
); /* FIXME don't swallow the error */
4359 * Can't catche runtime invoke wrappers since it would break
4360 * the check in decode_method_ref_with_target ().
4362 if (m
&& m
->wrapper_type
!= MONO_WRAPPER_RUNTIME_INVOKE
) {
4363 amodule_lock (metadata_amodule
);
4364 g_hash_table_insert (metadata_amodule
->method_ref_to_method
, orig_p
, m
);
4365 amodule_unlock (metadata_amodule
);
4373 /* Methods decoded needlessly */
4375 //printf ("%d %s %s %p\n", n_extra_decodes, mono_method_full_name (method, TRUE), mono_method_full_name (m, TRUE), orig_p);
4380 entry
= &table
[next
* entry_size
];
4385 if (index
!= 0xffffff)
4386 g_assert (index
< code_amodule
->info
.nmethods
);
4392 add_module_cb (gpointer key
, gpointer value
, gpointer user_data
)
4394 g_ptr_array_add ((GPtrArray
*)user_data
, value
);
4398 mono_aot_can_dedup (MonoMethod
*method
)
4401 /* Use a set of wrappers/instances which work and useful */
4402 switch (method
->wrapper_type
) {
4403 case MONO_WRAPPER_RUNTIME_INVOKE
:
4406 case MONO_WRAPPER_OTHER
: {
4407 WrapperInfo
*info
= mono_marshal_get_wrapper_info (method
);
4409 if (info
->subtype
== WRAPPER_SUBTYPE_PTR_TO_STRUCTURE
||
4410 info
->subtype
== WRAPPER_SUBTYPE_STRUCTURE_TO_PTR
||
4411 info
->subtype
== WRAPPER_SUBTYPE_INTERP_LMF
||
4412 info
->subtype
== WRAPPER_SUBTYPE_AOT_INIT
)
4420 if (method
->is_inflated
&& !mono_method_is_generic_sharable_full (method
, TRUE
, FALSE
, FALSE
) &&
4421 !mini_is_gsharedvt_signature (mono_method_signature_internal (method
)) &&
4422 !mini_is_gsharedvt_klass (method
->klass
))
4427 gboolean not_normal_gshared
= method
->is_inflated
&& !mono_method_is_generic_sharable_full (method
, TRUE
, FALSE
, FALSE
);
4428 gboolean extra_method
= (method
->wrapper_type
!= MONO_WRAPPER_NONE
) || not_normal_gshared
;
4430 return extra_method
;
4438 * Try finding METHOD in the extra_method table in all AOT images.
4439 * Return its method index, or 0xffffff if not found. Set OUT_AMODULE to the AOT
4440 * module where the method was found.
4443 find_aot_method (MonoMethod
*method
, MonoAotModule
**out_amodule
)
4448 guint32 hash
= mono_aot_method_hash (method
);
4450 /* Try the place we expect to have moved the method only
4451 * We don't probe, as that causes hard-to-debug issues when we fail
4452 * to find the method */
4453 if (container_amodule
&& mono_aot_can_dedup (method
)) {
4454 *out_amodule
= container_amodule
;
4455 index
= find_aot_method_in_amodule (container_amodule
, method
, hash
);
4459 /* Try the method's module first */
4460 *out_amodule
= m_class_get_image (method
->klass
)->aot_module
;
4461 index
= find_aot_method_in_amodule (m_class_get_image (method
->klass
)->aot_module
, method
, hash
);
4462 if (index
!= 0xffffff)
4466 * Try all other modules.
4467 * This is needed because generic instances klass->image points to the image
4468 * containing the generic definition, but the native code is generated to the
4469 * AOT image which contains the reference.
4472 /* Make a copy to avoid doing the search inside the aot lock */
4473 modules
= g_ptr_array_new ();
4475 g_hash_table_foreach (aot_modules
, add_module_cb
, modules
);
4479 for (i
= 0; i
< modules
->len
; ++i
) {
4480 MonoAotModule
*amodule
= (MonoAotModule
*)g_ptr_array_index (modules
, i
);
4482 if (amodule
!= m_class_get_image (method
->klass
)->aot_module
)
4483 index
= find_aot_method_in_amodule (amodule
, method
, hash
);
4484 if (index
!= 0xffffff) {
4485 *out_amodule
= amodule
;
4490 g_ptr_array_free (modules
, TRUE
);
4496 mono_aot_find_method_index (MonoMethod
*method
)
4498 MonoAotModule
*out_amodule
;
4499 return find_aot_method (method
, &out_amodule
);
4503 init_method (MonoAotModule
*amodule
, guint32 method_index
, MonoMethod
*method
, MonoClass
*init_class
, MonoError
*error
)
4505 MonoDomain
*domain
= mono_domain_get ();
4507 MonoClass
*klass_to_run_ctor
= NULL
;
4508 gboolean from_plt
= method
== NULL
;
4509 int pindex
, n_patches
;
4511 MonoJitInfo
*jinfo
= NULL
;
4512 guint8
*code
, *info
;
4513 MonoGenericContext
*context
;
4514 MonoGenericContext ctx
;
4516 memset (&ctx
, 0, sizeof (ctx
));
4520 code
= (guint8
*)amodule
->methods
[method_index
];
4521 info
= &amodule
->blob
[mono_aot_get_offset (amodule
->method_info_offsets
, method_index
)];
4525 guint8 flags
= decode_value (p
, &p
);
4526 if (flags
& MONO_AOT_METHOD_FLAG_HAS_CCTOR
)
4527 klass_to_run_ctor
= decode_klass_ref (amodule
, p
, &p
, error
);
4531 //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
4533 klass_to_run_ctor
= method
->klass
;
4536 if (flags
& MONO_AOT_METHOD_FLAG_HAS_CTX
) {
4537 decode_generic_context (amodule
, &ctx
, p
, &p
, error
);
4538 mono_error_assert_ok (error
);
4542 if (flags
& MONO_AOT_METHOD_FLAG_HAS_PATCHES
)
4543 n_patches
= decode_value (p
, &p
);
4548 MonoJumpInfo
*patches
;
4553 mp
= mono_mempool_new ();
4555 if ((gpointer
)code
>= amodule
->info
.jit_code_start
&& (gpointer
)code
<= amodule
->info
.jit_code_end
) {
4560 got
= amodule
->llvm_got
;
4564 patches
= load_patch_info (amodule
, mp
, n_patches
, llvm
, &got_slots
, p
, &p
);
4565 if (patches
== NULL
) {
4566 mono_mempool_destroy (mp
);
4570 for (pindex
= 0; pindex
< n_patches
; ++pindex
) {
4571 MonoJumpInfo
*ji
= &patches
[pindex
];
4575 * For SFLDA, we need to call resolve_patch_target () since the GOT slot could have
4576 * been initialized by load_method () for a static cctor before the cctor has
4577 * finished executing (#23242).
4579 if (!got
[got_slots
[pindex
]] || ji
->type
== MONO_PATCH_INFO_SFLDA
) {
4580 /* In llvm-only made, we might encounter shared methods */
4581 if (mono_llvm_only
&& ji
->type
== MONO_PATCH_INFO_METHOD
&& mono_method_check_context_used (ji
->data
.method
)) {
4583 ji
->data
.method
= mono_class_inflate_generic_method_checked (ji
->data
.method
, context
, error
);
4584 if (!mono_error_ok (error
)) {
4586 mono_mempool_destroy (mp
);
4590 /* This cannot be resolved in mono_resolve_patch_target () */
4591 if (ji
->type
== MONO_PATCH_INFO_AOT_JIT_INFO
) {
4592 // FIXME: Lookup using the index
4593 jinfo
= mono_aot_find_jit_info (domain
, amodule
->assembly
->image
, code
);
4594 ji
->type
= MONO_PATCH_INFO_ABS
;
4595 ji
->data
.target
= jinfo
;
4597 addr
= mono_resolve_patch_target (method
, domain
, code
, ji
, TRUE
, error
);
4598 if (!mono_error_ok (error
)) {
4600 mono_mempool_destroy (mp
);
4603 if (ji
->type
== MONO_PATCH_INFO_METHOD_JUMP
)
4604 addr
= mono_create_ftnptr (domain
, addr
);
4605 mono_memory_barrier ();
4606 got
[got_slots
[pindex
]] = addr
;
4607 if (ji
->type
== MONO_PATCH_INFO_METHOD_JUMP
)
4608 register_jump_target_got_slot (domain
, ji
->data
.method
, &(got
[got_slots
[pindex
]]));
4610 ji
->type
= MONO_PATCH_INFO_NONE
;
4615 mono_mempool_destroy (mp
);
4618 if (mini_get_debug_options ()->load_aot_jit_info_eagerly
)
4619 jinfo
= mono_aot_find_jit_info (domain
, amodule
->assembly
->image
, code
);
4624 MonoVTable
*vt
= mono_class_vtable_checked (domain
, init_class
, error
);
4628 inited_ok
= mono_runtime_class_init_full (vt
, error
);
4629 } else if (from_plt
&& klass_to_run_ctor
&& !mono_class_is_gtd (klass_to_run_ctor
)) {
4630 MonoVTable
*vt
= mono_class_vtable_checked (domain
, klass_to_run_ctor
, error
);
4634 inited_ok
= mono_runtime_class_init_full (vt
, error
);
4649 * mono_aot_init_llvmonly_method:
4651 * Initialize the method identified by METHOD_INDEX in llvmonly mode.
4654 mono_aot_init_llvmonly_method (gpointer aot_module
, guint32 method_index
, MonoClass
*init_class
, MonoError
*error
)
4656 MonoAotModule
*amodule
= (MonoAotModule
*)aot_module
;
4657 MonoMethod
*method
= NULL
;
4659 return init_method (amodule
, method_index
, method
, init_class
, error
);
4663 * mono_aot_get_method:
4665 * Return a pointer to the AOTed native code for METHOD if it can be found,
4667 * On platforms with function pointers, this doesn't return a function pointer.
4670 mono_aot_get_method (MonoDomain
*domain
, MonoMethod
*method
, MonoError
*error
)
4672 MonoClass
*klass
= method
->klass
;
4673 MonoMethod
*orig_method
= method
;
4674 guint32 method_index
;
4675 MonoAotModule
*amodule
= m_class_get_image (klass
)->aot_module
;
4677 gboolean cache_result
= FALSE
;
4678 ERROR_DECL (inner_error
);
4682 if (domain
!= mono_get_root_domain ())
4683 /* Non shared AOT code can't be used in other appdomains */
4686 if (enable_aot_cache
&& !amodule
&& domain
->entry_assembly
&& mono_is_corlib_image (m_class_get_image (klass
))) {
4687 /* This cannot be AOTed during startup, so do it now */
4688 if (!mscorlib_aot_loaded
) {
4689 mscorlib_aot_loaded
= TRUE
;
4690 load_aot_module (m_class_get_image (klass
)->assembly
, NULL
);
4691 amodule
= m_class_get_image (klass
)->aot_module
;
4698 if (amodule
->out_of_date
)
4701 if ((method
->iflags
& METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL
) ||
4702 (method
->flags
& METHOD_ATTRIBUTE_PINVOKE_IMPL
) ||
4703 (method
->iflags
& METHOD_IMPL_ATTRIBUTE_RUNTIME
) ||
4704 (method
->flags
& METHOD_ATTRIBUTE_ABSTRACT
))
4708 * Use the original method instead of its invoke-with-check wrapper.
4709 * This is not a problem when using full-aot, since it doesn't support
4712 if (mono_aot_only
&& method
->wrapper_type
== MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK
)
4713 return mono_aot_get_method (domain
, mono_marshal_method_from_wrapper (method
), error
);
4715 g_assert (m_class_is_inited (klass
));
4717 /* Find method index */
4718 method_index
= 0xffffff;
4720 gboolean dedupable
= mono_aot_can_dedup (method
);
4722 if (method
->is_inflated
&& !method
->wrapper_type
&& mono_method_is_generic_sharable_full (method
, TRUE
, FALSE
, FALSE
) && !dedupable
) {
4723 MonoMethod
*orig_method
= method
;
4725 * For generic methods, we store the fully shared instance in place of the
4728 method
= mono_method_get_declaring_generic_method (method
);
4729 method_index
= mono_metadata_token_index (method
->token
) - 1;
4731 if (amodule
->llvm_code_start
) {
4732 /* Needed by mono_aot_init_gshared_method_this () */
4733 /* orig_method is a random instance but it is enough to make init_method () work */
4734 amodule_lock (amodule
);
4735 g_hash_table_insert (amodule
->extra_methods
, GUINT_TO_POINTER (method_index
), orig_method
);
4736 amodule_unlock (amodule
);
4740 if (method_index
== 0xffffff && (method
->is_inflated
|| !method
->token
)) {
4741 /* This hash table is used to avoid the slower search in the extra_method_table in the AOT image */
4742 amodule_lock (amodule
);
4743 code
= (guint8
*)g_hash_table_lookup (amodule
->method_to_code
, method
);
4744 amodule_unlock (amodule
);
4748 cache_result
= TRUE
;
4749 if (method_index
== 0xffffff)
4750 method_index
= find_aot_method (method
, &amodule
);
4753 * Special case the ICollection<T> wrappers for arrays, as they cannot
4754 * be statically enumerated, and each wrapper ends up calling the same
4757 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_MANAGED
&& m_class_get_rank (method
->klass
) && strstr (method
->name
, "System.Collections.Generic")) {
4758 MonoMethod
*m
= mono_aot_get_array_helper_from_wrapper (method
);
4760 code
= (guint8
*)mono_aot_get_method (domain
, m
, inner_error
);
4761 mono_error_cleanup (inner_error
);
4767 * Special case Array.GetGenericValueImpl which is a generic icall.
4768 * Generic sharing currently can't handle it, but the icall returns data using
4769 * an out parameter, so the managed-to-native wrappers can share the same code.
4771 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_NATIVE
&& method
->klass
== mono_defaults
.array_class
&& !strcmp (method
->name
, "GetGenericValueImpl")) {
4773 MonoGenericContext ctx
;
4774 MonoType
*args
[16];
4776 if (mono_method_signature_internal (method
)->params
[1]->type
== MONO_TYPE_OBJECT
)
4777 /* Avoid recursion */
4780 m
= mono_class_get_method_from_name_checked (mono_defaults
.array_class
, "GetGenericValueImpl", 2, 0, error
);
4781 mono_error_assert_ok (error
);
4784 memset (&ctx
, 0, sizeof (ctx
));
4785 args
[0] = m_class_get_byval_arg (mono_defaults
.object_class
);
4786 ctx
.method_inst
= mono_metadata_get_generic_inst (1, args
);
4788 m
= mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m
, &ctx
, error
), TRUE
, TRUE
);
4790 g_error ("AOT runtime could not load method due to %s", mono_error_get_message (error
)); /* FIXME don't swallow the error */
4793 * Get the code for the <object> instantiation which should be emitted into
4794 * the mscorlib aot image by the AOT compiler.
4796 code
= (guint8
*)mono_aot_get_method (domain
, m
, inner_error
);
4797 mono_error_cleanup (inner_error
);
4802 const char *klass_name_space
= m_class_get_name_space (method
->klass
);
4803 const char *klass_name
= m_class_get_name (method
->klass
);
4804 /* Same for CompareExchange<T> and Exchange<T> */
4805 /* Same for Volatile.Read<T>/Write<T> */
4806 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_NATIVE
&& m_class_get_image (method
->klass
) == mono_defaults
.corlib
&&
4807 ((!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]))) ||
4808 (!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
)))) ||
4809 (!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])))))) {
4811 MonoGenericContext ctx
;
4812 MonoType
*args
[16];
4813 gpointer iter
= NULL
;
4815 while ((m
= mono_class_get_methods (method
->klass
, &iter
))) {
4816 if (mono_method_signature_internal (m
)->generic_param_count
&& !strcmp (m
->name
, method
->name
))
4821 memset (&ctx
, 0, sizeof (ctx
));
4822 args
[0] = mono_get_object_type ();
4823 ctx
.method_inst
= mono_metadata_get_generic_inst (1, args
);
4825 m
= mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m
, &ctx
, error
), TRUE
, TRUE
);
4827 g_error ("AOT runtime could not load method due to %s", mono_error_get_message (error
)); /* FIXME don't swallow the error */
4829 /* Avoid recursion */
4834 * Get the code for the <object> instantiation which should be emitted into
4835 * the mscorlib aot image by the AOT compiler.
4837 code
= (guint8
*)mono_aot_get_method (domain
, m
, inner_error
);
4838 mono_error_cleanup (inner_error
);
4843 /* For ARRAY_ACCESSOR wrappers with reference types, use the <object> instantiation saved in corlib */
4844 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_OTHER
) {
4845 WrapperInfo
*info
= mono_marshal_get_wrapper_info (method
);
4847 if (info
->subtype
== WRAPPER_SUBTYPE_ARRAY_ACCESSOR
) {
4848 MonoMethod
*array_method
= info
->d
.array_accessor
.method
;
4849 if (MONO_TYPE_IS_REFERENCE (m_class_get_byval_arg (m_class_get_element_class (array_method
->klass
)))) {
4852 if (!strcmp (array_method
->name
, "Set"))
4853 rank
= mono_method_signature_internal (array_method
)->param_count
- 1;
4854 else if (!strcmp (array_method
->name
, "Get") || !strcmp (array_method
->name
, "Address"))
4855 rank
= mono_method_signature_internal (array_method
)->param_count
;
4857 g_assert_not_reached ();
4858 MonoClass
*obj_array_class
= mono_class_create_array (mono_defaults
.object_class
, rank
);
4859 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
);
4860 mono_error_assert_ok (error
);
4863 m
= mono_marshal_get_array_accessor_wrapper (m
);
4865 code
= (guint8
*)mono_aot_get_method (domain
, m
, inner_error
);
4866 mono_error_cleanup (inner_error
);
4874 if (method_index
== 0xffffff && method
->is_inflated
&& mono_method_is_generic_sharable_full (method
, FALSE
, TRUE
, FALSE
)) {
4875 /* Partial sharing */
4878 shared
= mini_get_shared_method_full (method
, SHARE_MODE_NONE
, error
);
4879 return_val_if_nok (error
, NULL
);
4881 method_index
= find_aot_method (shared
, &amodule
);
4882 if (method_index
!= 0xffffff)
4886 if (method_index
== 0xffffff && method
->is_inflated
&& mono_method_is_generic_sharable_full (method
, FALSE
, FALSE
, TRUE
)) {
4889 /* Use the all-vt shared method since this is what was AOTed */
4890 shared
= mini_get_shared_method_full (method
, SHARE_MODE_GSHAREDVT
, error
);
4894 method_index
= find_aot_method (shared
, &amodule
);
4895 if (method_index
!= 0xffffff) {
4896 method
= mini_get_shared_method_full (method
, SHARE_MODE_GSHAREDVT
, error
);
4902 if (method_index
== 0xffffff) {
4903 if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
)) {
4906 full_name
= mono_method_full_name (method
, TRUE
);
4907 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT NOT FOUND: %s.", full_name
);
4913 if (method_index
== 0xffffff)
4916 /* Needed by find_jit_info */
4917 amodule_lock (amodule
);
4918 g_hash_table_insert (amodule
->extra_methods
, GUINT_TO_POINTER (method_index
), method
);
4919 amodule_unlock (amodule
);
4922 method_index
= mono_metadata_token_index (method
->token
) - 1;
4924 guint32 num_methods
= amodule
->info
.nmethods
- amodule
->info
.nextra_methods
;
4925 if (method_index
>= num_methods
)
4926 /* method not available in AOT image */
4930 code
= (guint8
*)load_method (domain
, amodule
, m_class_get_image (klass
), method
, method
->token
, method_index
, error
);
4933 if (code
&& cache_result
) {
4934 amodule_lock (amodule
);
4935 g_hash_table_insert (amodule
->method_to_code
, orig_method
, code
);
4936 amodule_unlock (amodule
);
4942 * Same as mono_aot_get_method, but we try to avoid loading any metadata from the
4946 mono_aot_get_method_from_token (MonoDomain
*domain
, MonoImage
*image
, guint32 token
, MonoError
*error
)
4948 MonoAotModule
*aot_module
= image
->aot_module
;
4957 method_index
= mono_metadata_token_index (token
) - 1;
4959 res
= load_method (domain
, aot_module
, image
, NULL
, token
, method_index
, error
);
4966 } IsGotEntryUserData
;
4969 check_is_got_entry (gpointer key
, gpointer value
, gpointer user_data
)
4971 IsGotEntryUserData
*data
= (IsGotEntryUserData
*)user_data
;
4972 MonoAotModule
*aot_module
= (MonoAotModule
*)value
;
4974 if (aot_module
->got
&& (data
->addr
>= (guint8
*)(aot_module
->got
)) && (data
->addr
< (guint8
*)(aot_module
->got
+ aot_module
->info
.got_size
)))
4979 mono_aot_is_got_entry (guint8
*code
, guint8
*addr
)
4981 IsGotEntryUserData user_data
;
4986 user_data
.addr
= addr
;
4987 user_data
.res
= FALSE
;
4989 g_hash_table_foreach (aot_modules
, check_is_got_entry
, &user_data
);
4992 return user_data
.res
;
4997 MonoAotModule
*module
;
4998 } FindAotModuleUserData
;
5001 find_aot_module_cb (gpointer key
, gpointer value
, gpointer user_data
)
5003 FindAotModuleUserData
*data
= (FindAotModuleUserData
*)user_data
;
5004 MonoAotModule
*aot_module
= (MonoAotModule
*)value
;
5006 if (amodule_contains_code_addr (aot_module
, data
->addr
))
5007 data
->module
= aot_module
;
5010 static inline MonoAotModule
*
5011 find_aot_module (guint8
*code
)
5013 FindAotModuleUserData user_data
;
5018 /* Reading these need no locking */
5019 if (((gsize
)code
< aot_code_low_addr
) || ((gsize
)code
> aot_code_high_addr
))
5022 user_data
.addr
= code
;
5023 user_data
.module
= NULL
;
5026 g_hash_table_foreach (aot_modules
, find_aot_module_cb
, &user_data
);
5029 return user_data
.module
;
5033 mono_aot_patch_plt_entry (guint8
*code
, guint8
*plt_entry
, gpointer
*got
, host_mgreg_t
*regs
, guint8
*addr
)
5035 MonoAotModule
*amodule
;
5038 * Since AOT code is only used in the root domain,
5039 * mono_domain_get () != mono_get_root_domain () means the calling method
5040 * is AppDomain:InvokeInDomain, so this is the same check as in
5041 * mono_method_same_domain () but without loading the metadata for the method.
5043 if (mono_domain_get () == mono_get_root_domain ()) {
5045 amodule
= find_aot_module (code
);
5049 mono_arch_patch_plt_entry (plt_entry
, got
, regs
, addr
);
5054 * mono_aot_plt_resolve:
5056 * This function is called by the entries in the PLT to resolve the actual method that
5057 * needs to be called. It returns a trampoline to the method and patches the PLT entry.
5058 * Returns NULL if the something cannot be loaded.
5061 mono_aot_plt_resolve (gpointer aot_module
, guint32 plt_info_offset
, guint8
*code
, MonoError
*error
)
5063 #ifdef MONO_ARCH_AOT_SUPPORTED
5064 guint8
*p
, *target
, *plt_entry
;
5066 MonoAotModule
*module
= (MonoAotModule
*)aot_module
;
5067 gboolean res
, no_ftnptr
= FALSE
;
5069 gboolean using_gsharedvt
= FALSE
;
5073 //printf ("DYN: %p %d\n", aot_module, plt_info_offset);
5075 p
= &module
->blob
[plt_info_offset
];
5077 ji
.type
= (MonoJumpInfoType
)decode_value (p
, &p
);
5079 mp
= mono_mempool_new ();
5080 res
= decode_patch (module
, mp
, &ji
, p
, &p
);
5083 mono_mempool_destroy (mp
);
5087 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
5088 using_gsharedvt
= TRUE
;
5092 * Avoid calling resolve_patch_target in the full-aot case if possible, since
5093 * it would create a trampoline, and we don't need that.
5094 * We could do this only if the method does not need the special handling
5095 * in mono_magic_trampoline ().
5097 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
) &&
5098 !mono_method_needs_static_rgctx_invoke (ji
.data
.method
, FALSE
) && !using_gsharedvt
) {
5099 target
= (guint8
*)mono_jit_compile_method (ji
.data
.method
, error
);
5100 if (!mono_error_ok (error
)) {
5101 mono_mempool_destroy (mp
);
5106 target
= (guint8
*)mono_resolve_patch_target (NULL
, mono_domain_get (), NULL
, &ji
, TRUE
, error
);
5107 if (!mono_error_ok (error
)) {
5108 mono_mempool_destroy (mp
);
5114 * The trampoline expects us to return a function descriptor on platforms which use
5115 * it, but resolve_patch_target returns a direct function pointer for some type of
5116 * patches, so have to translate between the two.
5117 * FIXME: Clean this up, but how ?
5119 if (ji
.type
== MONO_PATCH_INFO_ABS
|| ji
.type
== MONO_PATCH_INFO_JIT_ICALL_ID
5120 || ji
.type
== MONO_PATCH_INFO_ICALL_ADDR
5121 || ji
.type
== MONO_PATCH_INFO_TRAMPOLINE_FUNC_ADDR
|| ji
.type
== MONO_PATCH_INFO_SPECIFIC_TRAMPOLINE_LAZY_FETCH_ADDR
5122 || ji
.type
== MONO_PATCH_INFO_JIT_ICALL_ADDR
|| ji
.type
== MONO_PATCH_INFO_RGCTX_FETCH
) {
5123 /* These should already have a function descriptor */
5124 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
5125 /* Our function descriptors have a 0 environment, gcc created ones don't */
5126 if (ji
.type
!= MONO_PATCH_INFO_JIT_ICALL_ID
5127 && ji
.type
!= MONO_PATCH_INFO_JIT_ICALL_ADDR
&& ji
.type
!= MONO_PATCH_INFO_ICALL_ADDR
5128 && ji
.type
!= MONO_PATCH_INFO_TRAMPOLINE_FUNC_ADDR
&& ji
.type
!= MONO_PATCH_INFO_SPECIFIC_TRAMPOLINE_LAZY_FETCH_ADDR
)
5129 g_assert (((gpointer
*)target
) [2] == 0);
5132 } else if (!no_ftnptr
) {
5133 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
5134 g_assert (((gpointer
*)target
) [2] != 0);
5136 target
= (guint8
*)mono_create_ftnptr (mono_domain_get (), target
);
5139 mono_mempool_destroy (mp
);
5141 /* Patch the PLT entry with target which might be the actual method not a trampoline */
5142 plt_entry
= mono_aot_get_plt_entry (code
);
5143 g_assert (plt_entry
);
5144 mono_aot_patch_plt_entry (code
, plt_entry
, module
->got
, NULL
, target
);
5148 g_assert_not_reached ();
5156 * Initialize the PLT table of the AOT module. Called lazily when the first AOT
5157 * method in the module is loaded to avoid committing memory by writing to it.
5158 * LOCKING: Assumes the AMODULE lock is held.
5161 init_plt (MonoAotModule
*amodule
)
5166 if (amodule
->plt_inited
)
5169 if (amodule
->info
.plt_size
<= 1) {
5170 amodule
->plt_inited
= TRUE
;
5174 tramp
= mono_create_specific_trampoline (amodule
, MONO_TRAMPOLINE_AOT_PLT
, mono_get_root_domain (), NULL
);
5177 * Initialize the PLT entries in the GOT to point to the default targets.
5180 tramp
= mono_create_ftnptr (mono_domain_get (), tramp
);
5181 for (i
= 1; i
< amodule
->info
.plt_size
; ++i
)
5182 /* All the default entries point to the AOT trampoline */
5183 ((gpointer
*)amodule
->got
)[amodule
->info
.plt_got_offset_base
+ i
] = tramp
;
5185 amodule
->plt_inited
= TRUE
;
5189 * mono_aot_get_plt_entry:
5191 * Return the address of the PLT entry called by the code at CODE if exists.
5194 mono_aot_get_plt_entry (guint8
*code
)
5196 MonoAotModule
*amodule
= find_aot_module (code
);
5197 guint8
*target
= NULL
;
5203 if (is_thumb_code (amodule
, code
- 4))
5204 return mono_arm_get_thumb_plt_entry (code
);
5207 #ifdef MONO_ARCH_AOT_SUPPORTED
5208 target
= mono_arch_get_call_target (code
);
5210 g_assert_not_reached ();
5214 while (target
!= NULL
) {
5215 if ((target
>= (guint8
*)(amodule
->plt
)) && (target
< (guint8
*)(amodule
->plt_end
)))
5218 // Add 4 since mono_arch_get_call_target assumes we're passing
5219 // the instruction after the actual branch instruction.
5220 target
= mono_arch_get_call_target (target
+ 4);
5225 if ((target
>= (guint8
*)(amodule
->plt
)) && (target
< (guint8
*)(amodule
->plt_end
)))
5233 * mono_aot_get_plt_info_offset:
5235 * Return the PLT info offset belonging to the plt entry called by CODE.
5238 mono_aot_get_plt_info_offset (host_mgreg_t
*regs
, guint8
*code
)
5240 guint8
*plt_entry
= mono_aot_get_plt_entry (code
);
5242 g_assert (plt_entry
);
5244 /* The offset is embedded inside the code after the plt entry */
5245 #ifdef MONO_ARCH_AOT_SUPPORTED
5246 return mono_arch_get_plt_info_offset (plt_entry
, regs
, code
);
5248 g_assert_not_reached ();
5254 mono_create_ftnptr_malloc (guint8
*code
)
5256 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
5257 MonoPPCFunctionDescriptor
*ftnptr
= g_malloc0 (sizeof (MonoPPCFunctionDescriptor
));
5259 ftnptr
->code
= code
;
5270 * load_function_full:
5272 * Load the function named NAME from the aot image.
5275 load_function_full (MonoAotModule
*amodule
, const char *name
, MonoTrampInfo
**out_tinfo
)
5279 int n_patches
, pindex
;
5282 guint32 info_offset
;
5286 find_amodule_symbol (amodule
, name
, &code
);
5287 g_assertf (code
, "Symbol '%s' not found in AOT file '%s'.\n", name
, amodule
->aot_name
);
5289 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT: FOUND function '%s' in AOT file '%s'.", name
, amodule
->aot_name
);
5293 symbol
= g_strdup_printf ("%s_p", name
);
5294 find_amodule_symbol (amodule
, symbol
, (gpointer
*)&p
);
5297 /* Nothing to patch */
5300 info_offset
= *(guint32
*)p
;
5302 MonoTrampInfo
*tinfo
;
5303 guint32 code_size
, uw_info_len
, uw_offset
;
5305 /* Construct a MonoTrampInfo from the data in the AOT image */
5307 p
+= sizeof (guint32
);
5308 code_size
= *(guint32
*)p
;
5309 p
+= sizeof (guint32
);
5310 uw_offset
= *(guint32
*)p
;
5311 uw_info
= amodule
->unwind_info
+ uw_offset
;
5312 uw_info_len
= decode_value (uw_info
, &uw_info
);
5314 tinfo
= g_new0 (MonoTrampInfo
, 1);
5315 tinfo
->code
= (guint8
*)code
;
5316 tinfo
->code_size
= code_size
;
5317 tinfo
->uw_info_len
= uw_info_len
;
5319 tinfo
->uw_info
= uw_info
;
5324 p
= amodule
->blob
+ info_offset
;
5326 /* Similar to mono_aot_load_method () */
5328 n_patches
= decode_value (p
, &p
);
5331 MonoJumpInfo
*patches
;
5334 mp
= mono_mempool_new ();
5336 patches
= load_patch_info (amodule
, mp
, n_patches
, FALSE
, &got_slots
, p
, &p
);
5339 for (pindex
= 0; pindex
< n_patches
; ++pindex
) {
5340 MonoJumpInfo
*ji
= &patches
[pindex
];
5344 if (amodule
->got
[got_slots
[pindex
]])
5348 * When this code is executed, the runtime may not be initalized yet, so
5349 * resolve the patch info by hand.
5351 if (ji
->type
== MONO_PATCH_INFO_TRAMPOLINE_FUNC_ADDR
) {
5352 target
= (gpointer
)mono_get_trampoline_func ((MonoTrampolineType
)ji
->data
.index
);
5353 } else if (ji
->type
== MONO_PATCH_INFO_SPECIFIC_TRAMPOLINE_LAZY_FETCH_ADDR
) {
5354 target
= mono_create_specific_trampoline (GUINT_TO_POINTER (ji
->data
.uindex
), MONO_TRAMPOLINE_RGCTX_LAZY_FETCH
, mono_get_root_domain (), NULL
);
5355 target
= mono_create_ftnptr_malloc ((guint8
*)target
);
5356 } else if (ji
->type
== MONO_PATCH_INFO_JIT_ICALL_ADDR
) {
5358 const MonoJitICallId jit_icall_id
= ji
->data
.jit_icall_id
;
5359 switch (jit_icall_id
) {
5361 #undef MONO_AOT_ICALL
5362 #define MONO_AOT_ICALL(x) case MONO_JIT_ICALL_ ## x: target = (gpointer)x; break;
5364 MONO_AOT_ICALL (mono_get_lmf_addr
)
5365 MONO_AOT_ICALL (mono_thread_force_interruption_checkpoint_noraise
)
5366 MONO_AOT_ICALL (mono_exception_from_token
)
5368 case MONO_JIT_ICALL_mono_debugger_agent_single_step_from_context
:
5369 target
= (gpointer
)mini_get_dbg_callbacks ()->single_step_from_context
;
5371 case MONO_JIT_ICALL_mono_debugger_agent_breakpoint_from_context
:
5372 target
= (gpointer
)mini_get_dbg_callbacks ()->breakpoint_from_context
;
5374 case MONO_JIT_ICALL_mono_throw_exception
:
5375 target
= mono_get_throw_exception_addr ();
5377 case MONO_JIT_ICALL_mono_rethrow_preserve_exception
:
5378 target
= mono_get_rethrow_preserve_exception_addr ();
5381 case MONO_JIT_ICALL_generic_trampoline_jit
:
5382 case MONO_JIT_ICALL_generic_trampoline_jump
:
5383 case MONO_JIT_ICALL_generic_trampoline_rgctx_lazy_fetch
:
5384 case MONO_JIT_ICALL_generic_trampoline_aot
:
5385 case MONO_JIT_ICALL_generic_trampoline_aot_plt
:
5386 case MONO_JIT_ICALL_generic_trampoline_delegate
:
5387 case MONO_JIT_ICALL_generic_trampoline_generic_virtual_remoting
:
5388 case MONO_JIT_ICALL_generic_trampoline_vcall
:
5389 g_assert (0); // FIXME replace MONO_PATCH_INFO_TRAMPOLINE_FUNC_ADDR with MONO_PATCH_INFO_JIT_ICALL_ADDR.
5390 g_static_assert (MONO_TRAMPOLINE_JIT
== 0);
5391 target
= (gpointer
)mono_get_trampoline_func ((MonoTrampolineType
)(jit_icall_id
- MONO_JIT_ICALL_generic_trampoline_jit
));
5394 target
= mono_arch_load_function (jit_icall_id
);
5395 g_assertf (target
, "Unknown relocation '%p'\n", ji
->data
.target
);
5398 /* Hopefully the code doesn't have patches which need method or
5401 target
= mono_resolve_patch_target (NULL
, NULL
, (guint8
*)code
, ji
, FALSE
, error
);
5402 mono_error_assert_ok (error
);
5406 amodule
->got
[got_slots
[pindex
]] = target
;
5411 mono_mempool_destroy (mp
);
5418 load_function (MonoAotModule
*amodule
, const char *name
)
5420 return load_function_full (amodule
, name
, NULL
);
5423 static MonoAotModule
*
5424 get_mscorlib_aot_module (void)
5427 MonoAotModule
*amodule
;
5429 image
= mono_defaults
.corlib
;
5431 amodule
= image
->aot_module
;
5433 amodule
= mscorlib_aot_module
;
5439 mono_no_trampolines (void)
5441 g_assert_not_reached ();
5445 * Return the trampoline identified by NAME from the mscorlib AOT file.
5446 * On ppc64, this returns a function descriptor.
5449 mono_aot_get_trampoline_full (const char *name
, MonoTrampInfo
**out_tinfo
)
5451 MonoAotModule
*amodule
= get_mscorlib_aot_module ();
5453 if (mono_llvm_only
) {
5455 return (gpointer
)mono_no_trampolines
;
5458 return mono_create_ftnptr_malloc ((guint8
*)load_function_full (amodule
, name
, out_tinfo
));
5462 mono_aot_get_trampoline (const char *name
)
5464 MonoTrampInfo
*out_tinfo
;
5467 code
= mono_aot_get_trampoline_full (name
, &out_tinfo
);
5468 mono_aot_tramp_info_register (out_tinfo
, NULL
);
5474 read_unwind_info (MonoAotModule
*amodule
, MonoTrampInfo
*info
, const char *symbol_name
)
5476 gpointer symbol_addr
;
5477 guint32 uw_offset
, uw_info_len
;
5480 find_amodule_symbol (amodule
, symbol_name
, &symbol_addr
);
5485 uw_offset
= *(guint32
*)symbol_addr
;
5486 uw_info
= amodule
->unwind_info
+ uw_offset
;
5487 uw_info_len
= decode_value (uw_info
, &uw_info
);
5489 info
->uw_info_len
= uw_info_len
;
5491 info
->uw_info
= uw_info
;
5493 info
->uw_info
= NULL
;
5495 /* If successful return the address of the following data */
5496 return (guint32
*)symbol_addr
+ 1;
5500 #include <mach/mach.h>
5502 static TrampolinePage
* trampoline_pages
[MONO_AOT_TRAMP_NUM
];
5505 read_page_trampoline_uwinfo (MonoTrampInfo
*info
, int tramp_type
, gboolean is_generic
)
5507 char symbol_name
[128];
5509 if (tramp_type
== MONO_AOT_TRAMP_SPECIFIC
)
5510 sprintf (symbol_name
, "specific_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5511 else if (tramp_type
== MONO_AOT_TRAMP_STATIC_RGCTX
)
5512 sprintf (symbol_name
, "rgctx_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5513 else if (tramp_type
== MONO_AOT_TRAMP_IMT
)
5514 sprintf (symbol_name
, "imt_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5515 else if (tramp_type
== MONO_AOT_TRAMP_GSHAREDVT_ARG
)
5516 sprintf (symbol_name
, "gsharedvt_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5517 else if (tramp_type
== MONO_AOT_TRAMP_UNBOX_ARBITRARY
)
5518 sprintf (symbol_name
, "unbox_arbitrary_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5520 g_assert_not_reached ();
5522 read_unwind_info (mono_defaults
.corlib
->aot_module
, info
, symbol_name
);
5525 static unsigned char*
5526 get_new_trampoline_from_page (int tramp_type
)
5528 MonoAotModule
*amodule
;
5530 TrampolinePage
*page
;
5533 vm_address_t addr
, taddr
;
5535 vm_prot_t prot
, max_prot
;
5536 int psize
, specific_trampoline_size
;
5537 unsigned char *code
;
5539 specific_trampoline_size
= 2 * sizeof (gpointer
);
5541 mono_aot_page_lock ();
5542 page
= trampoline_pages
[tramp_type
];
5543 if (page
&& page
->trampolines
< page
->trampolines_end
) {
5544 code
= page
->trampolines
;
5545 page
->trampolines
+= specific_trampoline_size
;
5546 mono_aot_page_unlock ();
5549 mono_aot_page_unlock ();
5550 /* the trampoline template page is in the mscorlib module */
5551 image
= mono_defaults
.corlib
;
5554 psize
= MONO_AOT_TRAMP_PAGE_SIZE
;
5556 amodule
= image
->aot_module
;
5559 if (tramp_type
== MONO_AOT_TRAMP_SPECIFIC
)
5560 tpage
= load_function (amodule
, "specific_trampolines_page");
5561 else if (tramp_type
== MONO_AOT_TRAMP_STATIC_RGCTX
)
5562 tpage
= load_function (amodule
, "rgctx_trampolines_page");
5563 else if (tramp_type
== MONO_AOT_TRAMP_IMT
)
5564 tpage
= load_function (amodule
, "imt_trampolines_page");
5565 else if (tramp_type
== MONO_AOT_TRAMP_GSHAREDVT_ARG
)
5566 tpage
= load_function (amodule
, "gsharedvt_arg_trampolines_page");
5567 else if (tramp_type
== MONO_AOT_TRAMP_UNBOX_ARBITRARY
)
5568 tpage
= load_function (amodule
, "unbox_arbitrary_trampolines_page");
5570 g_error ("Incorrect tramp type for trampolines page");
5572 /*g_warning ("loaded trampolines page at %x", tpage);*/
5574 /* avoid the unlikely case of looping forever */
5577 while (page
== NULL
&& count
-- > 0) {
5578 MonoTrampInfo
*gen_info
, *sp_info
;
5581 /* allocate two contiguous pages of memory: the first page will contain the data (like a local constant pool)
5582 * while the second will contain the trampolines.
5585 ret
= vm_allocate (mach_task_self (), &addr
, psize
* 2, VM_FLAGS_ANYWHERE
);
5586 } while (ret
== KERN_ABORTED
);
5587 if (ret
!= KERN_SUCCESS
) {
5588 g_error ("Cannot allocate memory for trampolines: %d", ret
);
5591 /*g_warning ("allocated trampoline double page at %x", addr);*/
5592 /* replace the second page with a remapped trampoline page */
5593 taddr
= addr
+ psize
;
5594 vm_deallocate (mach_task_self (), taddr
, psize
);
5595 ret
= vm_remap (mach_task_self (), &taddr
, psize
, 0, FALSE
, mach_task_self(), (vm_address_t
)tpage
, FALSE
, &prot
, &max_prot
, VM_INHERIT_SHARE
);
5596 if (ret
!= KERN_SUCCESS
) {
5597 /* someone else got the page, try again */
5598 vm_deallocate (mach_task_self (), addr
, psize
);
5601 /*g_warning ("remapped trampoline page at %x", taddr);*/
5603 mono_aot_page_lock ();
5604 page
= trampoline_pages
[tramp_type
];
5605 /* some other thread already allocated, so use that to avoid wasting memory */
5606 if (page
&& page
->trampolines
< page
->trampolines_end
) {
5607 code
= page
->trampolines
;
5608 page
->trampolines
+= specific_trampoline_size
;
5609 mono_aot_page_unlock ();
5610 vm_deallocate (mach_task_self (), addr
, psize
);
5611 vm_deallocate (mach_task_self (), taddr
, psize
);
5614 page
= (TrampolinePage
*)addr
;
5615 page
->next
= trampoline_pages
[tramp_type
];
5616 trampoline_pages
[tramp_type
] = page
;
5617 page
->trampolines
= (guint8
*)(taddr
+ amodule
->info
.tramp_page_code_offsets
[tramp_type
]);
5618 page
->trampolines_end
= (guint8
*)(taddr
+ psize
- 64);
5619 code
= page
->trampolines
;
5620 page
->trampolines
+= specific_trampoline_size
;
5621 mono_aot_page_unlock ();
5623 /* Register the generic part at the beggining of the trampoline page */
5624 gen_info
= mono_tramp_info_create (NULL
, (guint8
*)taddr
, amodule
->info
.tramp_page_code_offsets
[tramp_type
], NULL
, NULL
);
5625 read_page_trampoline_uwinfo (gen_info
, tramp_type
, TRUE
);
5626 mono_aot_tramp_info_register (gen_info
, NULL
);
5629 * Registering each specific trampoline produces a lot of
5630 * MonoJitInfo structures. Jump trampolines are also registered
5633 if (tramp_type
!= MONO_AOT_TRAMP_SPECIFIC
) {
5634 /* Register the rest of the page as a single trampoline */
5635 sp_info
= mono_tramp_info_create (NULL
, code
, page
->trampolines_end
- code
, NULL
, NULL
);
5636 read_page_trampoline_uwinfo (sp_info
, tramp_type
, FALSE
);
5637 mono_aot_tramp_info_register (sp_info
, NULL
);
5641 g_error ("Cannot allocate more trampoline pages: %d", ret
);
5646 static unsigned char*
5647 get_new_trampoline_from_page (int tramp_type
)
5649 g_error ("Page trampolines not supported.");
5656 get_new_specific_trampoline_from_page (gpointer tramp
, gpointer arg
)
5661 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_SPECIFIC
);
5663 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5666 /*g_warning ("new trampoline at %p for data %p, tramp %p (stored at %p)", code, arg, tramp, data);*/
5672 get_new_rgctx_trampoline_from_page (gpointer tramp
, gpointer arg
)
5677 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_STATIC_RGCTX
);
5679 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5682 /*g_warning ("new rgctx trampoline at %p for data %p, tramp %p (stored at %p)", code, arg, tramp, data);*/
5688 get_new_imt_trampoline_from_page (gpointer arg
)
5693 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_IMT
);
5695 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5697 /*g_warning ("new imt trampoline at %p for data %p, (stored at %p)", code, arg, data);*/
5703 get_new_gsharedvt_arg_trampoline_from_page (gpointer tramp
, gpointer arg
)
5708 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_GSHAREDVT_ARG
);
5710 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5713 /*g_warning ("new rgctx trampoline at %p for data %p, tramp %p (stored at %p)", code, arg, tramp, data);*/
5718 get_new_unbox_arbitrary_trampoline_frome_page (gpointer addr
)
5723 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_UNBOX_ARBITRARY
);
5725 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5731 /* Return a given kind of trampoline */
5732 /* FIXME set unwind info for these trampolines */
5734 get_numerous_trampoline (MonoAotTrampoline tramp_type
, int n_got_slots
, MonoAotModule
**out_amodule
, guint32
*got_offset
, guint32
*out_tramp_size
)
5737 MonoAotModule
*amodule
= get_mscorlib_aot_module ();
5738 int index
, tramp_size
;
5740 /* Currently, we keep all trampolines in the mscorlib AOT image */
5741 image
= mono_defaults
.corlib
;
5743 *out_amodule
= amodule
;
5748 #define MONOTOUCH_TRAMPOLINES_ERROR ". See http://docs.xamarin.com/ios/troubleshooting for instructions on how to fix this condition."
5750 #define MONOTOUCH_TRAMPOLINES_ERROR ""
5752 if (amodule
->trampoline_index
[tramp_type
] == amodule
->info
.num_trampolines
[tramp_type
]) {
5753 g_error ("Ran out of trampolines of type %d in '%s' (limit %d)%s\n",
5754 tramp_type
, image
? image
->name
: MONO_ASSEMBLY_CORLIB_NAME
, amodule
->info
.num_trampolines
[tramp_type
], MONOTOUCH_TRAMPOLINES_ERROR
);
5756 index
= amodule
->trampoline_index
[tramp_type
] ++;
5760 *got_offset
= amodule
->info
.trampoline_got_offset_base
[tramp_type
] + (index
* n_got_slots
);
5762 tramp_size
= amodule
->info
.trampoline_size
[tramp_type
];
5765 *out_tramp_size
= tramp_size
;
5767 return amodule
->trampolines
[tramp_type
] + (index
* tramp_size
);
5771 no_specific_trampoline (void)
5773 g_assert_not_reached ();
5777 * Return a specific trampoline from the AOT file.
5780 mono_aot_create_specific_trampoline (MonoImage
*image
, gpointer arg1
, MonoTrampolineType tramp_type
, MonoDomain
*domain
, guint32
*code_len
)
5782 MonoAotModule
*amodule
;
5783 guint32 got_offset
, tramp_size
;
5784 guint8
*code
, *tramp
;
5785 static gpointer generic_trampolines
[MONO_TRAMPOLINE_NUM
];
5786 static gboolean inited
;
5787 static guint32 num_trampolines
;
5789 if (mono_llvm_only
) {
5791 return (gpointer
)no_specific_trampoline
;
5798 mono_counters_register ("Specific trampolines", MONO_COUNTER_JIT
| MONO_COUNTER_INT
, &num_trampolines
);
5807 if (!generic_trampolines
[tramp_type
]) {
5810 symbol
= mono_get_generic_trampoline_name (tramp_type
);
5811 generic_trampolines
[tramp_type
] = mono_aot_get_trampoline (symbol
);
5814 tramp
= (guint8
*)generic_trampolines
[tramp_type
];
5817 if (USE_PAGE_TRAMPOLINES
) {
5818 code
= (guint8
*)get_new_specific_trampoline_from_page (tramp
, arg1
);
5821 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_SPECIFIC
, 2, &amodule
, &got_offset
, &tramp_size
);
5823 amodule
->got
[got_offset
] = tramp
;
5824 amodule
->got
[got_offset
+ 1] = arg1
;
5828 *code_len
= tramp_size
;
5834 mono_aot_get_static_rgctx_trampoline (gpointer ctx
, gpointer addr
)
5836 MonoAotModule
*amodule
;
5840 if (USE_PAGE_TRAMPOLINES
) {
5841 code
= (guint8
*)get_new_rgctx_trampoline_from_page (addr
, ctx
);
5843 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_STATIC_RGCTX
, 2, &amodule
, &got_offset
, NULL
);
5845 amodule
->got
[got_offset
] = ctx
;
5846 amodule
->got
[got_offset
+ 1] = addr
;
5849 /* The caller expects an ftnptr */
5850 return mono_create_ftnptr (mono_domain_get (), code
);
5854 mono_aot_get_unbox_arbitrary_trampoline (gpointer addr
)
5856 MonoAotModule
*amodule
;
5860 if (USE_PAGE_TRAMPOLINES
) {
5861 code
= (guint8
*)get_new_unbox_arbitrary_trampoline_frome_page (addr
);
5863 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_UNBOX_ARBITRARY
, 1, &amodule
, &got_offset
, NULL
);
5864 amodule
->got
[got_offset
] = addr
;
5867 /* The caller expects an ftnptr */
5868 return mono_create_ftnptr (mono_domain_get (), code
);
5872 i32_idx_comparer (const void *key
, const void *member
)
5874 gint32 idx1
= GPOINTER_TO_INT (key
);
5875 gint32 idx2
= *(gint32
*)member
;
5880 i16_idx_comparer (const void *key
, const void *member
)
5882 int idx1
= GPOINTER_TO_INT (key
);
5883 int idx2
= *(gint16
*)member
;
5888 aot_is_slim_amodule (MonoAotModule
*amodule
)
5893 /* "slim" only applies to mscorlib.dll */
5894 if (strcmp (amodule
->aot_name
, "mscorlib"))
5897 guint32 f
= amodule
->info
.flags
;
5898 return (f
& MONO_AOT_FILE_FLAG_INTERP
) && !(f
& MONO_AOT_FILE_FLAG_FULL_AOT
);
5902 mono_aot_get_unbox_trampoline (MonoMethod
*method
, gpointer addr
)
5905 guint32 method_index
= mono_metadata_token_index (method
->token
) - 1;
5906 MonoAotModule
*amodule
;
5908 guint32
*ut
, *ut_end
, *entry
;
5909 int low
, high
, entry_index
= 0;
5910 MonoTrampInfo
*tinfo
;
5912 if (method
->is_inflated
&& !mono_method_is_generic_sharable_full (method
, FALSE
, FALSE
, FALSE
)) {
5913 method_index
= find_aot_method (method
, &amodule
);
5914 if (method_index
== 0xffffff && mono_method_is_generic_sharable_full (method
, FALSE
, TRUE
, FALSE
)) {
5915 MonoMethod
*shared
= mini_get_shared_method_full (method
, SHARE_MODE_NONE
, error
);
5916 mono_error_assert_ok (error
);
5917 method_index
= find_aot_method (shared
, &amodule
);
5919 if (method_index
== 0xffffff && mono_method_is_generic_sharable_full (method
, FALSE
, TRUE
, TRUE
)) {
5920 MonoMethod
*shared
= mini_get_shared_method_full (method
, SHARE_MODE_GSHAREDVT
, error
);
5921 mono_error_assert_ok (error
);
5923 method_index
= find_aot_method (shared
, &amodule
);
5926 amodule
= m_class_get_image (method
->klass
)->aot_module
;
5928 if (amodule
== NULL
|| method_index
== 0xffffff || aot_is_slim_amodule (amodule
)) {
5929 /* couldn't find unbox trampoline specifically generated for that
5930 * method. this should only happen when an unbox trampoline is needed
5931 * for `fullAOT code -> native-to-interp -> interp` transition if
5932 * (1) it's a virtual call
5933 * (2) the receiver is a value type, thus needs unboxing */
5934 g_assert (mono_use_interpreter
);
5935 return mono_aot_get_unbox_arbitrary_trampoline (addr
);
5938 if (amodule
->info
.llvm_unbox_tramp_indexes
) {
5939 int unbox_tramp_idx
;
5941 /* Search the llvm_unbox_tramp_indexes table using a binary search */
5942 if (amodule
->info
.llvm_unbox_tramp_elemsize
== sizeof (guint32
)) {
5943 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
);
5945 g_assert (*(int*)ptr
== method_index
);
5946 unbox_tramp_idx
= (guint32
*)ptr
- (guint32
*)amodule
->info
.llvm_unbox_tramp_indexes
;
5948 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
);
5950 g_assert (*(gint16
*)ptr
== method_index
);
5951 unbox_tramp_idx
= (guint16
*)ptr
- (guint16
*)amodule
->info
.llvm_unbox_tramp_indexes
;
5953 g_assert (unbox_tramp_idx
< amodule
->info
.llvm_unbox_tramp_num
);
5954 code
= ((gpointer
*)(amodule
->info
.llvm_unbox_trampolines
))[unbox_tramp_idx
];
5959 if (amodule
->info
.llvm_get_unbox_tramp
) {
5960 gpointer (*get_tramp
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_unbox_tramp
;
5961 code
= get_tramp (method_index
);
5967 ut
= amodule
->unbox_trampolines
;
5968 ut_end
= amodule
->unbox_trampolines_end
;
5970 /* Do a binary search in the sorted table */
5973 high
= (ut_end
- ut
);
5974 while (low
< high
) {
5975 entry_index
= (low
+ high
) / 2;
5976 entry
= &ut
[entry_index
];
5977 if (entry
[0] < method_index
) {
5978 low
= entry_index
+ 1;
5979 } else if (entry
[0] > method_index
) {
5986 code
= get_call_table_entry (amodule
->unbox_trampoline_addresses
, entry_index
);
5989 tinfo
= mono_tramp_info_create (NULL
, (guint8
*)code
, 0, NULL
, NULL
);
5991 gpointer
const symbol_addr
= read_unwind_info (amodule
, tinfo
, "unbox_trampoline_p");
5993 mono_tramp_info_free (tinfo
);
5997 tinfo
->code_size
= *(guint32
*)symbol_addr
;
5998 mono_aot_tramp_info_register (tinfo
, NULL
);
6000 /* The caller expects an ftnptr */
6001 return mono_create_ftnptr (mono_domain_get (), code
);
6005 mono_aot_get_lazy_fetch_trampoline (guint32 slot
)
6009 MonoAotModule
*amodule
= mono_defaults
.corlib
->aot_module
;
6010 guint32 index
= MONO_RGCTX_SLOT_INDEX (slot
);
6011 static int count
= 0;
6014 if (index
>= amodule
->info
.num_rgctx_fetch_trampolines
) {
6015 static gpointer addr
;
6019 * Use the general version of the rgctx fetch trampoline. It receives a pair of <slot, trampoline> in the rgctx arg reg.
6022 addr
= load_function (amodule
, "rgctx_fetch_trampoline_general");
6023 info
= (void **)mono_domain_alloc0 (mono_get_root_domain (), sizeof (gpointer
) * 2);
6024 info
[0] = GUINT_TO_POINTER (slot
);
6025 info
[1] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot
), MONO_TRAMPOLINE_RGCTX_LAZY_FETCH
, mono_get_root_domain (), NULL
);
6026 code
= mono_aot_get_static_rgctx_trampoline (info
, addr
);
6027 return mono_create_ftnptr (mono_domain_get (), code
);
6030 symbol
= mono_get_rgctx_fetch_trampoline_name (slot
);
6031 code
= load_function (mono_defaults
.corlib
->aot_module
, symbol
);
6033 /* The caller expects an ftnptr */
6034 return mono_create_ftnptr (mono_domain_get (), code
);
6038 no_imt_trampoline (void)
6040 g_assert_not_reached ();
6044 mono_aot_get_imt_trampoline (MonoVTable
*vtable
, MonoDomain
*domain
, MonoIMTCheckItem
**imt_entries
, int count
, gpointer fail_tramp
)
6049 int i
, index
, real_count
;
6050 MonoAotModule
*amodule
;
6053 return (gpointer
)no_imt_trampoline
;
6056 for (i
= 0; i
< count
; ++i
) {
6057 MonoIMTCheckItem
*item
= imt_entries
[i
];
6059 if (item
->is_equals
)
6063 /* Save the entries into an array */
6064 buf
= (void **)mono_domain_alloc (domain
, (real_count
+ 1) * 2 * sizeof (gpointer
));
6066 for (i
= 0; i
< count
; ++i
) {
6067 MonoIMTCheckItem
*item
= imt_entries
[i
];
6069 if (!item
->is_equals
)
6072 g_assert (item
->key
);
6074 buf
[(index
* 2)] = item
->key
;
6075 if (item
->has_target_code
) {
6076 gpointer
*p
= (gpointer
*)mono_domain_alloc (domain
, sizeof (gpointer
));
6077 *p
= item
->value
.target_code
;
6078 buf
[(index
* 2) + 1] = p
;
6080 buf
[(index
* 2) + 1] = &(vtable
->vtable
[item
->value
.vtable_slot
]);
6084 buf
[(index
* 2)] = NULL
;
6085 buf
[(index
* 2) + 1] = fail_tramp
;
6087 if (USE_PAGE_TRAMPOLINES
) {
6088 code
= get_new_imt_trampoline_from_page (buf
);
6090 code
= get_numerous_trampoline (MONO_AOT_TRAMP_IMT
, 1, &amodule
, &got_offset
, NULL
);
6092 amodule
->got
[got_offset
] = buf
;
6099 mono_aot_get_gsharedvt_arg_trampoline (gpointer arg
, gpointer addr
)
6101 MonoAotModule
*amodule
;
6105 if (USE_PAGE_TRAMPOLINES
) {
6106 code
= (guint8
*)get_new_gsharedvt_arg_trampoline_from_page (addr
, arg
);
6108 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_GSHAREDVT_ARG
, 2, &amodule
, &got_offset
, NULL
);
6110 amodule
->got
[got_offset
] = arg
;
6111 amodule
->got
[got_offset
+ 1] = addr
;
6114 /* The caller expects an ftnptr */
6115 return mono_create_ftnptr (mono_domain_get (), code
);
6118 #ifdef MONO_ARCH_HAVE_FTNPTR_ARG_TRAMPOLINE
6120 mono_aot_get_ftnptr_arg_trampoline (gpointer arg
, gpointer addr
)
6122 MonoAotModule
*amodule
;
6126 if (USE_PAGE_TRAMPOLINES
) {
6127 g_error ("FIXME: ftnptr_arg page trampolines");
6129 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_FTNPTR_ARG
, 2, &amodule
, &got_offset
, NULL
);
6131 amodule
->got
[got_offset
] = arg
;
6132 amodule
->got
[got_offset
+ 1] = addr
;
6135 /* The caller expects an ftnptr */
6136 return mono_create_ftnptr (mono_domain_get (), code
);
6142 * mono_aot_set_make_unreadable:
6144 * Set whenever to make all mmaped memory unreadable. In conjuction with a
6145 * SIGSEGV handler, this is useful to find out which pages the runtime tries to read.
6148 mono_aot_set_make_unreadable (gboolean unreadable
)
6152 make_unreadable
= unreadable
;
6154 if (make_unreadable
&& !inited
) {
6155 mono_counters_register ("AOT: pagefaults", MONO_COUNTER_JIT
| MONO_COUNTER_INT
, &n_pagefaults
);
6160 MonoAotModule
*module
;
6165 find_map (gpointer key
, gpointer value
, gpointer user_data
)
6167 MonoAotModule
*module
= (MonoAotModule
*)value
;
6168 FindMapUserData
*data
= (FindMapUserData
*)user_data
;
6171 if ((data
->ptr
>= module
->mem_begin
) && (data
->ptr
< module
->mem_end
))
6172 data
->module
= module
;
6175 static MonoAotModule
*
6176 find_module_for_addr (void *ptr
)
6178 FindMapUserData data
;
6180 if (!make_unreadable
)
6184 data
.ptr
= (guint8
*)ptr
;
6187 g_hash_table_foreach (aot_modules
, (GHFunc
)find_map
, &data
);
6194 * mono_aot_is_pagefault:
6196 * Should be called from a SIGSEGV signal handler to find out whenever @ptr is
6197 * within memory allocated by this module.
6200 mono_aot_is_pagefault (void *ptr
)
6202 if (!make_unreadable
)
6206 * Not signal safe, but SIGSEGV's are synchronous, and
6207 * this is only turned on by a MONO_DEBUG option.
6209 return find_module_for_addr (ptr
) != NULL
;
6213 * mono_aot_handle_pagefault:
6215 * Handle a pagefault caused by an unreadable page by making it readable again.
6218 mono_aot_handle_pagefault (void *ptr
)
6221 guint8
* start
= (guint8
*)ROUND_DOWN (((gssize
)ptr
), mono_pagesize ());
6225 res
= mono_mprotect (start
, mono_pagesize (), MONO_MMAP_READ
|MONO_MMAP_WRITE
|MONO_MMAP_EXEC
);
6226 g_assert (res
== 0);
6234 mono_aot_get_method_flags (guint8
*code
)
6238 if (!code_to_method_flags
)
6239 return MONO_AOT_METHOD_FLAG_NONE
;
6241 /* Not found and no FLAG_NONE are the same, but its not a problem */
6242 flags
= GPOINTER_TO_UINT (g_hash_table_lookup (code_to_method_flags
, code
));
6244 return (MonoAotMethodFlags
)flags
;
6251 mono_aot_init (void)
6256 mono_aot_cleanup (void)
6261 mono_aot_find_method_index (MonoMethod
*method
)
6263 g_assert_not_reached ();
6268 mono_aot_init_llvm_method (gpointer aot_module
, guint32 method_index
)
6273 mono_aot_init_gshared_method_this (gpointer aot_module
, guint32 method_index
, MonoObject
*this)
6278 mono_aot_init_gshared_method_mrgctx (gpointer aot_module
, guint32 method_index
, MonoMethodRuntimeGenericContext
*rgctx
)
6283 mono_aot_init_gshared_method_vtable (gpointer aot_module
, guint32 method_index
, MonoVTable
*vtable
)
6288 mono_aot_get_method (MonoDomain
*domain
,
6289 MonoMethod
*method
, MonoError
*error
)
6296 mono_aot_is_got_entry (guint8
*code
, guint8
*addr
)
6302 mono_aot_get_cached_class_info (MonoClass
*klass
, MonoCachedClassInfo
*res
)
6308 mono_aot_get_class_from_name (MonoImage
*image
, const char *name_space
, const char *name
, MonoClass
**klass
)
6314 mono_aot_find_jit_info (MonoDomain
*domain
, MonoImage
*image
, gpointer addr
)
6320 mono_aot_get_method_from_token (MonoDomain
*domain
, MonoImage
*image
, guint32 token
, MonoError
*error
)
6327 mono_aot_get_plt_entry (guint8
*code
)
6333 mono_aot_plt_resolve (gpointer aot_module
, guint32 plt_info_offset
, guint8
*code
, MonoError
*error
)
6339 mono_aot_patch_plt_entry (guint8
*code
, guint8
*plt_entry
, gpointer
*got
, host_mgreg_t
*regs
, guint8
*addr
)
6344 mono_aot_get_method_from_vt_slot (MonoDomain
*domain
, MonoVTable
*vtable
, int slot
, MonoError
*error
)
6352 mono_aot_get_plt_info_offset (host_mgreg_t
*regs
, guint8
*code
)
6354 g_assert_not_reached ();
6360 mono_aot_create_specific_trampoline (MonoImage
*image
, gpointer arg1
, MonoTrampolineType tramp_type
, MonoDomain
*domain
, guint32
*code_len
)
6362 g_assert_not_reached ();
6367 mono_aot_get_static_rgctx_trampoline (gpointer ctx
, gpointer addr
)
6369 g_assert_not_reached ();
6374 mono_aot_get_trampoline_full (const char *name
, MonoTrampInfo
**out_tinfo
)
6376 g_assert_not_reached ();
6381 mono_aot_get_trampoline (const char *name
)
6383 g_assert_not_reached ();
6388 mono_aot_get_unbox_arbitrary_trampoline (gpointer addr
)
6390 g_assert_not_reached ();
6395 mono_aot_get_unbox_trampoline (MonoMethod
*method
, gpointer addr
)
6397 g_assert_not_reached ();
6402 mono_aot_get_lazy_fetch_trampoline (guint32 slot
)
6404 g_assert_not_reached ();
6409 mono_aot_get_imt_trampoline (MonoVTable
*vtable
, MonoDomain
*domain
, MonoIMTCheckItem
**imt_entries
, int count
, gpointer fail_tramp
)
6411 g_assert_not_reached ();
6416 mono_aot_get_gsharedvt_arg_trampoline (gpointer arg
, gpointer addr
)
6418 g_assert_not_reached ();
6422 #ifdef MONO_ARCH_HAVE_FTNPTR_ARG_TRAMPOLINE
6424 mono_aot_get_ftnptr_arg_trampoline (gpointer arg
, gpointer addr
)
6426 g_assert_not_reached ();
6432 mono_aot_set_make_unreadable (gboolean unreadable
)
6437 mono_aot_is_pagefault (void *ptr
)
6443 mono_aot_handle_pagefault (void *ptr
)
6448 mono_aot_get_unwind_info (MonoJitInfo
*ji
, guint32
*unwind_info_len
)
6450 g_assert_not_reached ();
6455 mono_aot_get_weak_field_indexes (MonoImage
*image
)
6461 mono_aot_get_method_flags (guint8
*code
)
6463 return MONO_AOT_METHOD_FLAG_NONE
;