2 * aot-runtime.c: mono Ahead of Time compiler
5 * Dietmar Maurer (dietmar@ximian.com)
6 * Zoltan Varga (vargaz@gmail.com)
8 * (C) 2002 Ximian, Inc.
9 * Copyright 2003-2011 Novell, Inc.
10 * Copyright 2011 Xamarin, Inc.
11 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
15 #include <sys/types.h>
21 #ifdef HAVE_SYS_MMAN_H
30 #ifdef HAVE_EXECINFO_H
37 #ifdef HAVE_SYS_WAIT_H
38 #include <sys/wait.h> /* for WIFEXITED, WEXITSTATUS */
41 #include <mono/metadata/abi-details.h>
42 #include <mono/metadata/tabledefs.h>
43 #include <mono/metadata/class.h>
44 #include <mono/metadata/object.h>
45 #include <mono/metadata/tokentype.h>
46 #include <mono/metadata/appdomain.h>
47 #include <mono/metadata/debug-helpers.h>
48 #include <mono/metadata/assembly.h>
49 #include <mono/metadata/metadata-internals.h>
50 #include <mono/metadata/marshal.h>
51 #include <mono/metadata/gc-internals.h>
52 #include <mono/metadata/threads-types.h>
53 #include <mono/metadata/mono-endian.h>
54 #include <mono/utils/mono-logger-internals.h>
55 #include <mono/utils/mono-mmap.h>
56 #include <mono/utils/mono-compiler.h>
57 #include <mono/utils/mono-counters.h>
58 #include <mono/utils/mono-digest.h>
59 #include <mono/utils/mono-threads-coop.h>
62 #include "seq-points.h"
64 #include "debugger-agent.h"
65 #include "aot-compiler.h"
66 #include "jit-icalls.h"
71 #define ENABLE_AOT_CACHE
74 /* Number of got entries shared between the JIT and LLVM GOT */
75 #define N_COMMON_GOT_ENTRIES 10
77 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
78 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
79 #define ROUND_DOWN(VALUE,SIZE) ((VALUE) & ~((SIZE) - 1))
86 typedef struct MonoAotModule
{
88 /* Pointer to the Global Offset Table */
92 GHashTable
*name_cache
;
93 GHashTable
*extra_methods
;
94 /* Maps methods to their code */
95 GHashTable
*method_to_code
;
96 /* Maps pointers into the method info to the methods themselves */
97 GHashTable
*method_ref_to_method
;
98 MonoAssemblyName
*image_names
;
100 MonoAssembly
*assembly
;
101 MonoImage
**image_table
;
102 guint32 image_table_len
;
103 gboolean out_of_date
;
105 gboolean got_initializing
;
108 guint8
*jit_code_start
;
109 guint8
*jit_code_end
;
110 guint8
*llvm_code_start
;
111 guint8
*llvm_code_end
;
115 /* Maps method indexes to their code */
117 /* Sorted array of method addresses */
118 gpointer
*sorted_methods
;
119 /* Method indexes for each method in sorted_methods */
120 int *sorted_method_indexes
;
121 /* The length of the two tables above */
122 int sorted_methods_len
;
123 guint32
*method_info_offsets
;
124 guint32
*ex_info_offsets
;
125 guint32
*class_info_offsets
;
126 guint32
*got_info_offsets
;
127 guint32
*llvm_got_info_offsets
;
128 guint32
*methods_loaded
;
129 guint16
*class_name_table
;
130 guint32
*extra_method_table
;
131 guint32
*extra_method_info_offsets
;
132 guint32
*unbox_trampolines
;
133 guint32
*unbox_trampolines_end
;
134 guint32
*unbox_trampoline_addresses
;
137 /* Points to the mono EH data created by LLVM */
138 guint8
*mono_eh_frame
;
140 /* Points to the data tables if MONO_AOT_FILE_FLAG_SEPARATE_DATA is set */
141 gpointer tables
[MONO_AOT_TABLE_NUM
];
142 /* Points to the trampolines */
143 guint8
*trampolines
[MONO_AOT_TRAMP_NUM
];
144 /* The first unused trampoline of each kind */
145 guint32 trampoline_index
[MONO_AOT_TRAMP_NUM
];
147 gboolean use_page_trampolines
;
149 MonoAotFileInfo info
;
154 JitInfoMap
*async_jit_info_table
;
160 unsigned char *trampolines
;
161 unsigned char *trampolines_end
;
164 static GHashTable
*aot_modules
;
165 #define mono_aot_lock() mono_os_mutex_lock (&aot_mutex)
166 #define mono_aot_unlock() mono_os_mutex_unlock (&aot_mutex)
167 static mono_mutex_t aot_mutex
;
170 * Maps assembly names to the mono_aot_module_<NAME>_info symbols in the
171 * AOT modules registered by mono_aot_register_module ().
173 static GHashTable
*static_aot_modules
;
176 * Maps MonoJitInfo* to the aot module they belong to, this can be different
177 * from ji->method->klass->image's aot module for generic instances.
179 static GHashTable
*ji_to_amodule
;
182 * Whenever to AOT compile loaded assemblies on demand and store them in
185 static gboolean enable_aot_cache
= FALSE
;
187 static gboolean mscorlib_aot_loaded
;
190 static gint32 mono_last_aot_method
= -1;
192 static gboolean make_unreadable
= FALSE
;
193 static guint32 name_table_accesses
= 0;
194 static guint32 n_pagefaults
= 0;
196 /* Used to speed-up find_aot_module () */
197 static gsize aot_code_low_addr
= (gssize
)-1;
198 static gsize aot_code_high_addr
= 0;
201 static gint32 async_jit_info_size
;
203 static GHashTable
*aot_jit_icall_hash
;
206 #define USE_PAGE_TRAMPOLINES ((MonoAotModule*)mono_defaults.corlib->aot_module)->use_page_trampolines
208 #define USE_PAGE_TRAMPOLINES 0
211 #define mono_aot_page_lock() mono_os_mutex_lock (&aot_page_mutex)
212 #define mono_aot_page_unlock() mono_os_mutex_unlock (&aot_page_mutex)
213 static mono_mutex_t aot_page_mutex
;
215 static MonoAotModule
*mscorlib_aot_module
;
217 /* Embedding API hooks to load the AOT data for AOT images compiled with MONO_AOT_FILE_FLAG_SEPARATE_DATA */
218 static MonoLoadAotDataFunc aot_data_load_func
;
219 static MonoFreeAotDataFunc aot_data_free_func
;
220 static gpointer aot_data_func_user_data
;
223 init_plt (MonoAotModule
*info
);
226 compute_llvm_code_range (MonoAotModule
*amodule
, guint8
**code_start
, guint8
**code_end
);
229 init_method (MonoAotModule
*amodule
, guint32 method_index
, MonoMethod
*method
, MonoClass
*init_class
, MonoGenericContext
*context
, MonoError
*error
);
232 decode_patches (MonoAotModule
*amodule
, MonoMemPool
*mp
, int n_patches
, gboolean llvm
, guint32
*got_offsets
);
235 amodule_lock (MonoAotModule
*amodule
)
237 mono_os_mutex_lock (&amodule
->mutex
);
241 amodule_unlock (MonoAotModule
*amodule
)
243 mono_os_mutex_unlock (&amodule
->mutex
);
249 * Load one of the images referenced by AMODULE. Returns NULL if the image is not
250 * found, and sets @error for what happened
253 load_image (MonoAotModule
*amodule
, int index
, MonoError
*error
)
255 MonoAssembly
*assembly
;
256 MonoImageOpenStatus status
;
258 g_assert (index
< amodule
->image_table_len
);
260 mono_error_init (error
);
262 if (amodule
->image_table
[index
])
263 return amodule
->image_table
[index
];
264 if (amodule
->out_of_date
) {
265 mono_error_set_bad_image_name (error
, amodule
->aot_name
, "Image out of date");
269 assembly
= mono_assembly_load (&amodule
->image_names
[index
], amodule
->assembly
->basedir
, &status
);
271 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
);
272 mono_error_set_bad_image_name (error
, amodule
->aot_name
, "module is unusable because dependency %s is not found (error %d).\n", amodule
->image_names
[index
].name
, status
);
273 amodule
->out_of_date
= TRUE
;
277 if (strcmp (assembly
->image
->guid
, amodule
->image_guids
[index
])) {
278 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
);
279 mono_error_set_bad_image_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
);
280 amodule
->out_of_date
= TRUE
;
284 amodule
->image_table
[index
] = assembly
->image
;
285 return assembly
->image
;
289 decode_value (guint8
*ptr
, guint8
**rptr
)
294 if ((b
& 0x80) == 0){
297 } else if ((b
& 0x40) == 0){
298 len
= ((b
& 0x3f) << 8 | ptr
[1]);
300 } else if (b
!= 0xff) {
301 len
= ((b
& 0x1f) << 24) |
308 len
= (ptr
[1] << 24) | (ptr
[2] << 16) | (ptr
[3] << 8) | ptr
[4];
314 //printf ("DECODE: %d.\n", len);
319 * mono_aot_get_offset:
321 * Decode an offset table emitted by emit_offset_table (), returning the INDEXth
325 mono_aot_get_offset (guint32
*table
, int index
)
327 int i
, group
, ngroups
, index_entry_size
;
328 int start_offset
, offset
, group_size
;
329 guint8
*data_start
, *p
;
330 guint32
*index32
= NULL
;
331 guint16
*index16
= NULL
;
333 /* noffsets = table [0]; */
334 group_size
= table
[1];
336 index_entry_size
= table
[3];
337 group
= index
/ group_size
;
339 if (index_entry_size
== 2) {
340 index16
= (guint16
*)&table
[4];
341 data_start
= (guint8
*)&index16
[ngroups
];
342 p
= data_start
+ index16
[group
];
344 index32
= (guint32
*)&table
[4];
345 data_start
= (guint8
*)&index32
[ngroups
];
346 p
= data_start
+ index32
[group
];
349 /* offset will contain the value of offsets [group * group_size] */
350 offset
= start_offset
= decode_value (p
, &p
);
351 for (i
= group
* group_size
+ 1; i
<= index
; ++i
) {
352 offset
+= decode_value (p
, &p
);
355 //printf ("Offset lookup: %d -> %d, start=%d, p=%d\n", index, offset, start_offset, table [3 + group]);
361 decode_resolve_method_ref (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
);
364 decode_klass_ref (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
);
367 decode_type (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
);
369 static MonoGenericInst
*
370 decode_generic_inst (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
373 MonoType
**type_argv
;
374 MonoGenericInst
*inst
;
377 mono_error_init (error
);
378 type_argc
= decode_value (p
, &p
);
379 type_argv
= g_new0 (MonoType
*, type_argc
);
381 for (i
= 0; i
< type_argc
; ++i
) {
382 MonoClass
*pclass
= decode_klass_ref (module
, p
, &p
, error
);
387 type_argv
[i
] = &pclass
->byval_arg
;
390 inst
= mono_metadata_get_generic_inst (type_argc
, type_argv
);
399 decode_generic_context (MonoAotModule
*module
, MonoGenericContext
*ctx
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
404 mono_error_init (error
);
407 argc
= decode_value (p
, &p
);
410 ctx
->class_inst
= decode_generic_inst (module
, p
, &p
, error
);
411 if (!ctx
->class_inst
)
415 argc
= decode_value (p
, &p
);
418 ctx
->method_inst
= decode_generic_inst (module
, p
, &p
, error
);
419 if (!ctx
->method_inst
)
428 decode_klass_ref (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
431 MonoClass
*klass
= NULL
, *eklass
;
432 guint32 token
, rank
, idx
;
436 mono_error_init (error
);
437 reftype
= decode_value (p
, &p
);
440 mono_error_set_bad_image_name (error
, module
->aot_name
, "Decoding a null class ref");
445 case MONO_AOT_TYPEREF_TYPEDEF_INDEX
:
446 idx
= decode_value (p
, &p
);
447 image
= load_image (module
, 0, error
);
450 klass
= mono_class_get_checked (image
, MONO_TOKEN_TYPE_DEF
+ idx
, error
);
452 case MONO_AOT_TYPEREF_TYPEDEF_INDEX_IMAGE
:
453 idx
= decode_value (p
, &p
);
454 image
= load_image (module
, decode_value (p
, &p
), error
);
457 klass
= mono_class_get_checked (image
, MONO_TOKEN_TYPE_DEF
+ idx
, error
);
459 case MONO_AOT_TYPEREF_TYPESPEC_TOKEN
:
460 token
= decode_value (p
, &p
);
461 image
= module
->assembly
->image
;
463 mono_error_set_bad_image_name (error
, module
->aot_name
, "No image associated with the aot module");
466 klass
= mono_class_get_checked (image
, token
, error
);
468 case MONO_AOT_TYPEREF_GINST
: {
470 MonoGenericContext ctx
;
473 gclass
= decode_klass_ref (module
, p
, &p
, error
);
476 g_assert (mono_class_is_gtd (gclass
));
478 memset (&ctx
, 0, sizeof (ctx
));
479 ctx
.class_inst
= decode_generic_inst (module
, p
, &p
, error
);
482 type
= mono_class_inflate_generic_type_checked (&gclass
->byval_arg
, &ctx
, error
);
485 klass
= mono_class_from_mono_type (type
);
486 mono_metadata_free_type (type
);
489 case MONO_AOT_TYPEREF_VAR
: {
491 MonoGenericContainer
*container
= NULL
;
492 gboolean has_constraint
= decode_value (p
, &p
);
494 if (has_constraint
) {
495 MonoClass
*par_klass
;
496 MonoType
*gshared_constraint
;
498 gshared_constraint
= decode_type (module
, p
, &p
, error
);
499 if (!gshared_constraint
)
502 par_klass
= decode_klass_ref (module
, p
, &p
, error
);
506 t
= mini_get_shared_gparam (&par_klass
->byval_arg
, gshared_constraint
);
507 klass
= mono_class_from_mono_type (t
);
509 int type
= decode_value (p
, &p
);
510 int num
= decode_value (p
, &p
);
511 gboolean is_not_anonymous
= decode_value (p
, &p
);
513 if (is_not_anonymous
) {
514 gboolean is_method
= decode_value (p
, &p
);
517 MonoMethod
*method_def
;
518 g_assert (type
== MONO_TYPE_MVAR
);
519 method_def
= decode_resolve_method_ref (module
, p
, &p
, error
);
523 container
= mono_method_get_generic_container (method_def
);
525 MonoClass
*class_def
;
526 g_assert (type
== MONO_TYPE_VAR
);
527 class_def
= decode_klass_ref (module
, p
, &p
, error
);
531 container
= mono_class_try_get_generic_container (class_def
); //FIXME is this a case for a try_get?
534 // We didn't decode is_method, so we have to infer it from type enum.
535 container
= get_anonymous_container_for_image (module
->assembly
->image
, type
== MONO_TYPE_MVAR
);
538 t
= g_new0 (MonoType
, 1);
539 t
->type
= (MonoTypeEnum
)type
;
540 if (is_not_anonymous
) {
541 t
->data
.generic_param
= mono_generic_container_get_param (container
, num
);
544 MonoGenericParam
*par
= (MonoGenericParam
*)mono_image_alloc0 (module
->assembly
->image
, sizeof (MonoGenericParamFull
));
545 par
->owner
= container
;
547 t
->data
.generic_param
= par
;
548 ((MonoGenericParamFull
*)par
)->info
.name
= make_generic_name_string (module
->assembly
->image
, num
);
550 // FIXME: Maybe use types directly to avoid
551 // the overhead of creating MonoClass-es
552 klass
= mono_class_from_mono_type (t
);
558 case MONO_AOT_TYPEREF_ARRAY
:
560 rank
= decode_value (p
, &p
);
561 eklass
= decode_klass_ref (module
, p
, &p
, error
);
564 klass
= mono_array_class_get (eklass
, rank
);
566 case MONO_AOT_TYPEREF_PTR
: {
569 t
= decode_type (module
, p
, &p
, error
);
572 klass
= mono_class_from_mono_type (t
);
576 case MONO_AOT_TYPEREF_BLOB_INDEX
: {
577 guint32 offset
= decode_value (p
, &p
);
580 p2
= module
->blob
+ offset
;
581 klass
= decode_klass_ref (module
, p2
, &p2
, error
);
585 mono_error_set_bad_image_name (error
, module
->aot_name
, "Invalid klass reftype %d", reftype
);
588 //printf ("BLA: %s\n", mono_type_full_name (&klass->byval_arg));
593 static MonoClassField
*
594 decode_field_info (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
)
597 MonoClass
*klass
= decode_klass_ref (module
, buf
, &buf
, &error
);
602 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
606 token
= MONO_TOKEN_FIELD_DEF
+ decode_value (p
, &p
);
610 return mono_class_get_field (klass
, token
);
614 * Parse a MonoType encoded by encode_type () in aot-compiler.c. Return malloc-ed
618 decode_type (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
623 t
= (MonoType
*)g_malloc0 (sizeof (MonoType
));
624 mono_error_init (error
);
627 if (*p
== MONO_TYPE_PINNED
) {
630 } else if (*p
== MONO_TYPE_BYREF
) {
638 t
->type
= (MonoTypeEnum
)*p
;
643 case MONO_TYPE_BOOLEAN
:
657 case MONO_TYPE_STRING
:
658 case MONO_TYPE_OBJECT
:
659 case MONO_TYPE_TYPEDBYREF
:
661 case MONO_TYPE_VALUETYPE
:
662 case MONO_TYPE_CLASS
:
663 t
->data
.klass
= decode_klass_ref (module
, p
, &p
, error
);
667 case MONO_TYPE_SZARRAY
:
668 t
->data
.klass
= decode_klass_ref (module
, p
, &p
, error
);
674 t
->data
.type
= decode_type (module
, p
, &p
, error
);
678 case MONO_TYPE_GENERICINST
: {
680 MonoGenericContext ctx
;
684 gclass
= decode_klass_ref (module
, p
, &p
, error
);
687 g_assert (mono_class_is_gtd (gclass
));
689 memset (&ctx
, 0, sizeof (ctx
));
690 ctx
.class_inst
= decode_generic_inst (module
, p
, &p
, error
);
693 type
= mono_class_inflate_generic_type_checked (&gclass
->byval_arg
, &ctx
, error
);
696 klass
= mono_class_from_mono_type (type
);
697 t
->data
.generic_class
= mono_class_get_generic_class (klass
);
700 case MONO_TYPE_ARRAY
: {
701 MonoArrayType
*array
;
704 // FIXME: memory management
705 array
= g_new0 (MonoArrayType
, 1);
706 array
->eklass
= decode_klass_ref (module
, p
, &p
, error
);
709 array
->rank
= decode_value (p
, &p
);
710 array
->numsizes
= decode_value (p
, &p
);
713 array
->sizes
= (int *)g_malloc0 (sizeof (int) * array
->numsizes
);
714 for (i
= 0; i
< array
->numsizes
; ++i
)
715 array
->sizes
[i
] = decode_value (p
, &p
);
717 array
->numlobounds
= decode_value (p
, &p
);
718 if (array
->numlobounds
)
719 array
->lobounds
= (int *)g_malloc0 (sizeof (int) * array
->numlobounds
);
720 for (i
= 0; i
< array
->numlobounds
; ++i
)
721 array
->lobounds
[i
] = decode_value (p
, &p
);
722 t
->data
.array
= array
;
726 case MONO_TYPE_MVAR
: {
727 MonoClass
*klass
= decode_klass_ref (module
, p
, &p
, error
);
730 t
->data
.generic_param
= klass
->byval_arg
.data
.generic_param
;
734 mono_error_set_bad_image_name (error
, module
->aot_name
, "Invalid encoded type %d", t
->type
);
746 // FIXME: Error handling, memory management
748 static MonoMethodSignature
*
749 decode_signature_with_target (MonoAotModule
*module
, MonoMethodSignature
*target
, guint8
*buf
, guint8
**endbuf
)
752 MonoMethodSignature
*sig
;
754 int i
, gen_param_count
= 0, param_count
, call_conv
;
756 gboolean hasthis
, explicit_this
, has_gen_params
;
760 has_gen_params
= (flags
& 0x10) != 0;
761 hasthis
= (flags
& 0x20) != 0;
762 explicit_this
= (flags
& 0x40) != 0;
763 call_conv
= flags
& 0x0F;
766 gen_param_count
= decode_value (p
, &p
);
767 param_count
= decode_value (p
, &p
);
768 if (target
&& param_count
!= target
->param_count
)
770 sig
= (MonoMethodSignature
*)g_malloc0 (MONO_SIZEOF_METHOD_SIGNATURE
+ param_count
* sizeof (MonoType
*));
771 sig
->param_count
= param_count
;
772 sig
->sentinelpos
= -1;
773 sig
->hasthis
= hasthis
;
774 sig
->explicit_this
= explicit_this
;
775 sig
->call_convention
= call_conv
;
776 sig
->generic_param_count
= gen_param_count
;
777 sig
->ret
= decode_type (module
, p
, &p
, &error
);
780 for (i
= 0; i
< param_count
; ++i
) {
781 if (*p
== MONO_TYPE_SENTINEL
) {
782 g_assert (sig
->call_convention
== MONO_CALL_VARARG
);
783 sig
->sentinelpos
= i
;
786 sig
->params
[i
] = decode_type (module
, p
, &p
, &error
);
787 if (!sig
->params
[i
])
791 if (sig
->call_convention
== MONO_CALL_VARARG
&& sig
->sentinelpos
== -1)
792 sig
->sentinelpos
= sig
->param_count
;
798 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
803 static MonoMethodSignature
*
804 decode_signature (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
)
806 return decode_signature_with_target (module
, NULL
, buf
, endbuf
);
810 sig_matches_target (MonoAotModule
*module
, MonoMethod
*target
, guint8
*buf
, guint8
**endbuf
)
812 MonoMethodSignature
*sig
;
816 sig
= decode_signature_with_target (module
, mono_method_signature (target
), p
, &p
);
817 res
= sig
&& mono_metadata_signature_equal (mono_method_signature (target
), sig
);
823 /* Stores information returned by decode_method_ref () */
828 gboolean no_aot_trampoline
;
832 * decode_method_ref_with_target:
834 * Decode a method reference, storing the image/token into a MethodRef structure.
835 * This avoids loading metadata for the method if the caller does not need it. If the method has
836 * no token, then it is loaded from metadata and ref->method is set to the method instance.
837 * If TARGET is non-NULL, abort decoding if it can be determined that the decoded method
838 * couldn't resolve to TARGET, and return FALSE.
839 * There are some kinds of method references which only support a non-null TARGET.
840 * This means that its not possible to decode this into a method, only to check
841 * that the method reference matches a given method. This is normally not a problem
842 * as these wrappers only occur in the extra_methods table, where we already have
843 * a method we want to lookup.
845 * If there was a decoding error, we return FALSE and set @error
848 decode_method_ref_with_target (MonoAotModule
*module
, MethodRef
*ref
, MonoMethod
*target
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
850 guint32 image_index
, value
;
851 MonoImage
*image
= NULL
;
854 memset (ref
, 0, sizeof (MethodRef
));
855 mono_error_init (error
);
857 value
= decode_value (p
, &p
);
858 image_index
= value
>> 24;
860 if (image_index
== MONO_AOT_METHODREF_NO_AOT_TRAMPOLINE
) {
861 ref
->no_aot_trampoline
= TRUE
;
862 value
= decode_value (p
, &p
);
863 image_index
= value
>> 24;
866 if (image_index
< MONO_AOT_METHODREF_MIN
|| image_index
== MONO_AOT_METHODREF_METHODSPEC
|| image_index
== MONO_AOT_METHODREF_GINST
) {
867 if (target
&& target
->wrapper_type
) {
872 if (image_index
== MONO_AOT_METHODREF_WRAPPER
) {
874 guint32 wrapper_type
;
876 wrapper_type
= decode_value (p
, &p
);
878 if (target
&& target
->wrapper_type
!= wrapper_type
)
882 image
= mono_defaults
.corlib
;
884 switch (wrapper_type
) {
885 #ifndef DISABLE_REMOTING
886 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK
: {
887 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
890 mono_class_init (m
->klass
);
894 ref
->method
= mono_marshal_get_remoting_invoke_with_check (m
);
897 case MONO_WRAPPER_PROXY_ISINST
: {
898 MonoClass
*klass
= decode_klass_ref (module
, p
, &p
, error
);
901 ref
->method
= mono_marshal_get_proxy_cancast (klass
);
904 case MONO_WRAPPER_LDFLD
:
905 case MONO_WRAPPER_LDFLDA
:
906 case MONO_WRAPPER_STFLD
: {
907 MonoClass
*klass
= decode_klass_ref (module
, p
, &p
, error
);
910 if (wrapper_type
== MONO_WRAPPER_LDFLD
)
911 ref
->method
= mono_marshal_get_ldfld_wrapper (&klass
->byval_arg
);
912 else if (wrapper_type
== MONO_WRAPPER_LDFLDA
)
913 ref
->method
= mono_marshal_get_ldflda_wrapper (&klass
->byval_arg
);
914 else if (wrapper_type
== MONO_WRAPPER_STFLD
)
915 ref
->method
= mono_marshal_get_stfld_wrapper (&klass
->byval_arg
);
917 mono_error_set_bad_image_name (error
, module
->aot_name
, "Unknown AOT wrapper type %d", wrapper_type
);
923 case MONO_WRAPPER_ALLOC
: {
924 int atype
= decode_value (p
, &p
);
925 ManagedAllocatorVariant variant
=
926 mono_profiler_get_events () & MONO_PROFILE_ALLOCATIONS
?
927 MANAGED_ALLOCATOR_SLOW_PATH
: MANAGED_ALLOCATOR_REGULAR
;
929 ref
->method
= mono_gc_get_managed_allocator_by_type (atype
, variant
);
930 /* Try to fallback to the slow path version */
931 if (!ref
->method
&& variant
== MANAGED_ALLOCATOR_REGULAR
)
932 ref
->method
= mono_gc_get_managed_allocator_by_type (atype
, MANAGED_ALLOCATOR_SLOW_PATH
);
934 mono_error_set_bad_image_name (error
, module
->aot_name
, "Error: No managed allocator, but we need one for AOT.\nAre you using non-standard GC options?\n");
939 case MONO_WRAPPER_WRITE_BARRIER
: {
940 ref
->method
= mono_gc_get_write_barrier ();
943 case MONO_WRAPPER_STELEMREF
: {
944 int subtype
= decode_value (p
, &p
);
946 if (subtype
== WRAPPER_SUBTYPE_NONE
) {
947 ref
->method
= mono_marshal_get_stelemref ();
948 } else if (subtype
== WRAPPER_SUBTYPE_VIRTUAL_STELEMREF
) {
951 kind
= decode_value (p
, &p
);
953 /* Can't decode this */
956 if (target
->wrapper_type
== MONO_WRAPPER_STELEMREF
) {
957 info
= mono_marshal_get_wrapper_info (target
);
960 if (info
->subtype
== subtype
&& info
->d
.virtual_stelemref
.kind
== kind
)
961 ref
->method
= target
;
968 mono_error_set_bad_image_name (error
, module
->aot_name
, "Invalid STELEMREF subtype %d", subtype
);
973 case MONO_WRAPPER_SYNCHRONIZED
: {
974 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
977 ref
->method
= mono_marshal_get_synchronized_wrapper (m
);
980 case MONO_WRAPPER_UNKNOWN
: {
981 int subtype
= decode_value (p
, &p
);
983 if (subtype
== WRAPPER_SUBTYPE_PTR_TO_STRUCTURE
|| subtype
== WRAPPER_SUBTYPE_STRUCTURE_TO_PTR
) {
984 MonoClass
*klass
= decode_klass_ref (module
, p
, &p
, error
);
990 if (klass
!= target
->klass
)
993 if (subtype
== WRAPPER_SUBTYPE_PTR_TO_STRUCTURE
) {
994 if (strcmp (target
->name
, "PtrToStructure"))
996 ref
->method
= mono_marshal_get_ptr_to_struct (klass
);
998 if (strcmp (target
->name
, "StructureToPtr"))
1000 ref
->method
= mono_marshal_get_struct_to_ptr (klass
);
1002 } else if (subtype
== WRAPPER_SUBTYPE_SYNCHRONIZED_INNER
) {
1003 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1006 ref
->method
= mono_marshal_get_synchronized_inner_wrapper (m
);
1007 } else if (subtype
== WRAPPER_SUBTYPE_ARRAY_ACCESSOR
) {
1008 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1011 ref
->method
= mono_marshal_get_array_accessor_wrapper (m
);
1012 } else if (subtype
== WRAPPER_SUBTYPE_GSHAREDVT_IN
) {
1013 ref
->method
= mono_marshal_get_gsharedvt_in_wrapper ();
1014 } else if (subtype
== WRAPPER_SUBTYPE_GSHAREDVT_OUT
) {
1015 ref
->method
= mono_marshal_get_gsharedvt_out_wrapper ();
1016 } else if (subtype
== WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG
) {
1017 MonoMethodSignature
*sig
= decode_signature (module
, p
, &p
);
1020 ref
->method
= mini_get_gsharedvt_in_sig_wrapper (sig
);
1021 } else if (subtype
== WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG
) {
1022 MonoMethodSignature
*sig
= decode_signature (module
, p
, &p
);
1025 ref
->method
= mini_get_gsharedvt_out_sig_wrapper (sig
);
1027 mono_error_set_bad_image_name (error
, module
->aot_name
, "Invalid UNKNOWN wrapper subtype %d", subtype
);
1032 case MONO_WRAPPER_MANAGED_TO_MANAGED
: {
1033 int subtype
= decode_value (p
, &p
);
1035 if (subtype
== WRAPPER_SUBTYPE_ELEMENT_ADDR
) {
1036 int rank
= decode_value (p
, &p
);
1037 int elem_size
= decode_value (p
, &p
);
1039 ref
->method
= mono_marshal_get_array_address (rank
, elem_size
);
1040 } else if (subtype
== WRAPPER_SUBTYPE_STRING_CTOR
) {
1043 m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1049 g_assert (target
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_MANAGED
);
1051 info
= mono_marshal_get_wrapper_info (target
);
1052 if (info
&& info
->subtype
== subtype
&& info
->d
.string_ctor
.method
== m
)
1053 ref
->method
= target
;
1059 case MONO_WRAPPER_MANAGED_TO_NATIVE
: {
1061 int subtype
= decode_value (p
, &p
);
1064 if (subtype
== WRAPPER_SUBTYPE_ICALL_WRAPPER
) {
1069 if (strcmp (target
->name
, name
) != 0)
1071 ref
->method
= target
;
1073 m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1077 /* This should only happen when looking for an extra method */
1080 if (mono_marshal_method_from_wrapper (target
) == m
)
1081 ref
->method
= target
;
1087 case MONO_WRAPPER_CASTCLASS
: {
1088 int subtype
= decode_value (p
, &p
);
1090 if (subtype
== WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE
)
1091 ref
->method
= mono_marshal_get_castclass_with_cache ();
1092 else if (subtype
== WRAPPER_SUBTYPE_ISINST_WITH_CACHE
)
1093 ref
->method
= mono_marshal_get_isinst_with_cache ();
1095 mono_error_set_bad_image_name (error
, module
->aot_name
, "Invalid CASTCLASS wrapper subtype %d", subtype
);
1100 case MONO_WRAPPER_RUNTIME_INVOKE
: {
1101 int subtype
= decode_value (p
, &p
);
1106 if (subtype
== WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC
) {
1107 if (strcmp (target
->name
, "runtime_invoke_dynamic") != 0)
1109 ref
->method
= target
;
1110 } else if (subtype
== WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT
) {
1111 /* Direct wrapper */
1112 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1115 ref
->method
= mono_marshal_get_runtime_invoke (m
, FALSE
);
1116 } else if (subtype
== WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL
) {
1117 /* Virtual direct wrapper */
1118 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1121 ref
->method
= mono_marshal_get_runtime_invoke (m
, TRUE
);
1123 MonoMethodSignature
*sig
;
1125 sig
= decode_signature_with_target (module
, NULL
, p
, &p
);
1126 info
= mono_marshal_get_wrapper_info (target
);
1129 if (info
->subtype
!= subtype
)
1131 g_assert (info
->d
.runtime_invoke
.sig
);
1132 if (mono_metadata_signature_equal (sig
, info
->d
.runtime_invoke
.sig
))
1133 ref
->method
= target
;
1139 case MONO_WRAPPER_DELEGATE_INVOKE
:
1140 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE
:
1141 case MONO_WRAPPER_DELEGATE_END_INVOKE
: {
1142 gboolean is_inflated
= decode_value (p
, &p
);
1143 WrapperSubtype subtype
;
1147 MonoMethod
*invoke
, *wrapper
;
1149 klass
= decode_klass_ref (module
, p
, &p
, error
);
1153 switch (wrapper_type
) {
1154 case MONO_WRAPPER_DELEGATE_INVOKE
:
1155 invoke
= mono_get_delegate_invoke (klass
);
1156 wrapper
= mono_marshal_get_delegate_invoke (invoke
, NULL
);
1158 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE
:
1159 invoke
= mono_get_delegate_begin_invoke (klass
);
1160 wrapper
= mono_marshal_get_delegate_begin_invoke (invoke
);
1162 case MONO_WRAPPER_DELEGATE_END_INVOKE
:
1163 invoke
= mono_get_delegate_end_invoke (klass
);
1164 wrapper
= mono_marshal_get_delegate_end_invoke (invoke
);
1167 g_assert_not_reached ();
1172 * Due to the way mini_get_shared_method () works, we could end up with
1173 * multiple copies of the same wrapper.
1175 if (wrapper
->klass
!= target
->klass
)
1177 ref
->method
= target
;
1179 ref
->method
= wrapper
;
1183 * These wrappers are associated with a signature, not with a method.
1184 * Since we can't decode them into methods, they need a target method.
1189 if (wrapper_type
== MONO_WRAPPER_DELEGATE_INVOKE
) {
1190 subtype
= (WrapperSubtype
)decode_value (p
, &p
);
1191 info
= mono_marshal_get_wrapper_info (target
);
1193 if (info
->subtype
!= subtype
)
1196 if (subtype
!= WRAPPER_SUBTYPE_NONE
)
1200 if (sig_matches_target (module
, target
, p
, &p
))
1201 ref
->method
= target
;
1207 case MONO_WRAPPER_NATIVE_TO_MANAGED
: {
1211 m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1214 klass
= decode_klass_ref (module
, p
, &p
, error
);
1217 ref
->method
= mono_marshal_get_managed_wrapper (m
, klass
, 0);
1221 g_assert_not_reached ();
1223 } else if (image_index
== MONO_AOT_METHODREF_METHODSPEC
) {
1224 image_index
= decode_value (p
, &p
);
1225 ref
->token
= decode_value (p
, &p
);
1227 image
= load_image (module
, image_index
, error
);
1230 } else if (image_index
== MONO_AOT_METHODREF_GINST
) {
1232 MonoGenericContext ctx
;
1235 * These methods do not have a token which resolves them, so we
1236 * resolve them immediately.
1238 klass
= decode_klass_ref (module
, p
, &p
, error
);
1242 if (target
&& target
->klass
!= klass
)
1245 image_index
= decode_value (p
, &p
);
1246 ref
->token
= decode_value (p
, &p
);
1248 image
= load_image (module
, image_index
, error
);
1252 ref
->method
= mono_get_method_checked (image
, ref
->token
, NULL
, NULL
, error
);
1257 memset (&ctx
, 0, sizeof (ctx
));
1259 if (FALSE
&& mono_class_is_ginst (klass
)) {
1260 ctx
.class_inst
= mono_class_get_generic_class (klass
)->context
.class_inst
;
1261 ctx
.method_inst
= NULL
;
1263 ref
->method
= mono_class_inflate_generic_method_full_checked (ref
->method
, klass
, &ctx
, error
);
1268 memset (&ctx
, 0, sizeof (ctx
));
1270 if (!decode_generic_context (module
, &ctx
, p
, &p
, error
))
1273 ref
->method
= mono_class_inflate_generic_method_full_checked (ref
->method
, klass
, &ctx
, error
);
1277 } else if (image_index
== MONO_AOT_METHODREF_ARRAY
) {
1281 klass
= decode_klass_ref (module
, p
, &p
, error
);
1284 method_type
= decode_value (p
, &p
);
1285 switch (method_type
) {
1287 ref
->method
= mono_class_get_method_from_name (klass
, ".ctor", klass
->rank
);
1290 ref
->method
= mono_class_get_method_from_name (klass
, ".ctor", klass
->rank
* 2);
1293 ref
->method
= mono_class_get_method_from_name (klass
, "Get", -1);
1296 ref
->method
= mono_class_get_method_from_name (klass
, "Address", -1);
1299 ref
->method
= mono_class_get_method_from_name (klass
, "Set", -1);
1302 mono_error_set_bad_image_name (error
, module
->aot_name
, "Invalid METHODREF_ARRAY method type %d", method_type
);
1306 if (image_index
== MONO_AOT_METHODREF_LARGE_IMAGE_INDEX
) {
1307 image_index
= decode_value (p
, &p
);
1308 value
= decode_value (p
, &p
);
1311 ref
->token
= MONO_TOKEN_METHOD_DEF
| (value
& 0xffffff);
1313 image
= load_image (module
, image_index
, error
);
1326 decode_method_ref (MonoAotModule
*module
, MethodRef
*ref
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
1328 return decode_method_ref_with_target (module
, ref
, NULL
, buf
, endbuf
, error
);
1332 * decode_resolve_method_ref_with_target:
1334 * Similar to decode_method_ref, but resolve and return the method itself.
1337 decode_resolve_method_ref_with_target (MonoAotModule
*module
, MonoMethod
*target
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
1341 mono_error_init (error
);
1343 if (!decode_method_ref_with_target (module
, &ref
, target
, buf
, endbuf
, error
))
1348 mono_error_set_bad_image_name (error
, module
->aot_name
, "No image found for methodref with target");
1351 return mono_get_method_checked (ref
.image
, ref
.token
, NULL
, NULL
, error
);
1355 decode_resolve_method_ref (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
1357 return decode_resolve_method_ref_with_target (module
, NULL
, buf
, endbuf
, error
);
1360 #ifdef ENABLE_AOT_CACHE
1366 * - Add options for controlling the cache size
1367 * - Handle full cache by deleting old assemblies lru style
1368 * - Maybe add a threshold after an assembly is AOT compiled
1369 * - Add options for enabling this for specific main assemblies
1372 /* The cache directory */
1373 static char *cache_dir
;
1375 /* The number of assemblies AOTed in this run */
1376 static int cache_count
;
1378 /* Whenever to AOT in-process */
1379 static gboolean in_process
;
1382 collect_assemblies (gpointer data
, gpointer user_data
)
1384 MonoAssembly
*ass
= data
;
1385 GSList
**l
= user_data
;
1387 *l
= g_slist_prepend (*l
, ass
);
1390 #define SHA1_DIGEST_LENGTH 20
1393 * get_aot_config_hash:
1395 * Return a hash for all the version information an AOT module depends on.
1397 static G_GNUC_UNUSED
char*
1398 get_aot_config_hash (MonoAssembly
*assembly
)
1401 GSList
*l
, *assembly_list
= NULL
;
1404 guint8 digest
[SHA1_DIGEST_LENGTH
];
1407 build_info
= mono_get_runtime_build_info ();
1409 s
= g_string_new (build_info
);
1411 mono_assembly_foreach (collect_assemblies
, &assembly_list
);
1414 * The assembly list includes the current assembly as well, no need
1417 for (l
= assembly_list
; l
; l
= l
->next
) {
1418 MonoAssembly
*ass
= l
->data
;
1420 g_string_append (s
, "_");
1421 g_string_append (s
, ass
->aname
.name
);
1422 g_string_append (s
, "_");
1423 g_string_append (s
, ass
->image
->guid
);
1426 for (i
= 0; i
< s
->len
; ++i
) {
1427 if (!isalnum (s
->str
[i
]) && s
->str
[i
] != '-')
1431 mono_sha1_get_digest ((guint8
*)s
->str
, s
->len
, digest
);
1433 digest_str
= g_malloc0 ((SHA1_DIGEST_LENGTH
* 2) + 1);
1434 for (i
= 0; i
< SHA1_DIGEST_LENGTH
; ++i
)
1435 sprintf (digest_str
+ (i
* 2), "%02x", digest
[i
]);
1437 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: file dependencies: %s, hash %s", s
->str
, digest_str
);
1439 g_string_free (s
, TRUE
);
1445 aot_cache_init (void)
1449 enable_aot_cache
= TRUE
;
1454 * aot_cache_load_module:
1456 * Load the AOT image corresponding to ASSEMBLY from the aot cache, AOTing it if neccessary.
1459 aot_cache_load_module (MonoAssembly
*assembly
, char **aot_name
)
1461 MonoAotCacheConfig
*config
;
1463 char *fname
, *tmp2
, *aot_options
, *failure_fname
;
1475 if (image_is_dynamic (assembly
->image
))
1478 /* Check in the list of assemblies enabled for aot caching */
1479 config
= mono_get_aot_cache_config ();
1483 MonoDomain
*domain
= mono_domain_get ();
1484 MonoAssembly
*entry_assembly
= domain
->entry_assembly
;
1486 // FIXME: This cannot be used for mscorlib during startup, since entry_assembly is not set yet
1487 for (l
= config
->apps
; l
; l
= l
->next
) {
1490 if ((entry_assembly
&& !strcmp (entry_assembly
->aname
.name
, n
)) || (!entry_assembly
&& !strcmp (assembly
->aname
.name
, n
)))
1498 for (l
= config
->assemblies
; l
; l
= l
->next
) {
1501 if (!strcmp (assembly
->aname
.name
, n
))
1511 home
= g_get_home_dir ();
1514 cache_dir
= g_strdup_printf ("%s/Library/Caches/mono/aot-cache", home
);
1515 if (!g_file_test (cache_dir
, G_FILE_TEST_EXISTS
|G_FILE_TEST_IS_DIR
))
1516 g_mkdir_with_parents (cache_dir
, 0777);
1520 * The same assembly can be used in multiple configurations, i.e. multiple
1521 * versions of the runtime, with multiple versions of dependent assemblies etc.
1522 * To handle this, we compute a version string containing all this information, hash it,
1523 * and use the hash as a filename suffix.
1525 hash
= get_aot_config_hash (assembly
);
1527 tmp2
= g_strdup_printf ("%s-%s%s", assembly
->image
->assembly_name
, hash
, MONO_SOLIB_EXT
);
1528 fname
= g_build_filename (cache_dir
, tmp2
, NULL
);
1532 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: loading from cache: '%s'.", fname
);
1533 module
= mono_dl_open (fname
, MONO_DL_LAZY
, NULL
);
1536 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: found in cache: '%s'.", fname
);
1540 if (!strcmp (assembly
->aname
.name
, "mscorlib") && !mscorlib_aot_loaded
)
1542 * Can't AOT this during startup, so we AOT it when called later from
1543 * mono_aot_get_method ().
1547 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: not found.");
1549 /* Only AOT one assembly per run to avoid slowing down execution too much */
1550 if (cache_count
> 0)
1554 /* Check for previous failure */
1555 failure_fname
= g_strdup_printf ("%s.failure", fname
);
1556 failure_file
= fopen (failure_fname
, "r");
1558 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: assembly '%s' previously failed to compile '%s' ('%s')... ", assembly
->image
->name
, fname
, failure_fname
);
1559 g_free (failure_fname
);
1562 g_free (failure_fname
);
1563 fclose (failure_file
);
1566 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: compiling assembly '%s', logfile: '%s.log'... ", assembly
->image
->name
, fname
);
1569 * We need to invoke the AOT compiler here. There are multiple approaches:
1570 * - spawn a new runtime process. This can be hard when running with mkbundle, and
1571 * its hard to make the new process load the same set of assemblies.
1572 * - doing it in-process. This exposes the current process to bugs/leaks/side effects of
1574 * - fork a new process and do the work there.
1577 aot_options
= g_strdup_printf ("outfile=%s,internal-logfile=%s.log%s%s", fname
, fname
, config
->aot_options
? "," : "", config
->aot_options
? config
->aot_options
: "");
1578 /* Maybe due this in another thread ? */
1579 res
= mono_compile_assembly (assembly
, mono_parse_default_optimizations (NULL
), aot_options
);
1581 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: compilation failed.");
1582 failure_fname
= g_strdup_printf ("%s.failure", fname
);
1583 failure_file
= fopen (failure_fname
, "a+");
1584 fclose (failure_file
);
1585 g_free (failure_fname
);
1587 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: compilation succeeded.");
1591 * - Avoid waiting for the aot process to finish ?
1592 * (less overhead, but multiple processes could aot the same assembly at the same time)
1601 logfile_name
= g_strdup_printf ("%s/aot.log", cache_dir
);
1602 logfile
= fopen (logfile_name
, "a+");
1603 g_free (logfile_name
);
1605 dup2 (fileno (logfile
), 1);
1606 dup2 (fileno (logfile
), 2);
1608 aot_options
= g_strdup_printf ("outfile=%s", fname
);
1609 res
= mono_compile_assembly (assembly
, mono_parse_default_optimizations (NULL
), aot_options
);
1617 waitpid (pid
, &exit_status
, 0);
1618 if (!WIFEXITED (exit_status
) && (WEXITSTATUS (exit_status
) == 0))
1619 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: failed.");
1621 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: succeeded.");
1625 module
= mono_dl_open (fname
, MONO_DL_LAZY
, NULL
);
1633 aot_cache_init (void)
1638 aot_cache_load_module (MonoAssembly
*assembly
, char **aot_name
)
1646 find_symbol (MonoDl
*module
, gpointer
*globals
, const char *name
, gpointer
*value
)
1650 guint16
*table
, *entry
;
1653 char *symbol
= (char*)name
;
1656 symbol
= g_strdup_printf ("_%s", name
);
1659 /* The first entry points to the hash */
1660 table
= (guint16
*)globals
[0];
1663 table_size
= table
[0];
1666 hash
= mono_metadata_str_hash (symbol
) % table_size
;
1668 entry
= &table
[hash
* 2];
1670 /* Search the hash for the index into the globals table */
1672 while (entry
[0] != 0) {
1673 guint32 index
= entry
[0] - 1;
1674 guint32 next
= entry
[1];
1676 //printf ("X: %s %s\n", (char*)globals [index * 2], name);
1678 if (!strcmp (globals
[index
* 2], symbol
)) {
1679 global_index
= index
;
1684 entry
= &table
[next
* 2];
1690 if (global_index
!= -1)
1691 *value
= globals
[global_index
* 2 + 1];
1698 char *err
= mono_dl_symbol (module
, name
, value
);
1706 find_amodule_symbol (MonoAotModule
*amodule
, const char *name
, gpointer
*value
)
1708 g_assert (!(amodule
->info
.flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
));
1710 find_symbol (amodule
->sofile
, amodule
->globals
, name
, value
);
1714 mono_install_load_aot_data_hook (MonoLoadAotDataFunc load_func
, MonoFreeAotDataFunc free_func
, gpointer user_data
)
1716 aot_data_load_func
= load_func
;
1717 aot_data_free_func
= free_func
;
1718 aot_data_func_user_data
= user_data
;
1721 /* Load the separate aot data file for ASSEMBLY */
1723 open_aot_data (MonoAssembly
*assembly
, MonoAotFileInfo
*info
, void **ret_handle
)
1729 if (aot_data_load_func
) {
1730 data
= aot_data_load_func (assembly
, info
->datafile_size
, aot_data_func_user_data
, ret_handle
);
1736 * Use <assembly name>.aotdata as the default implementation if no callback is given
1738 filename
= g_strdup_printf ("%s.aotdata", assembly
->image
->name
);
1739 map
= mono_file_map_open (filename
);
1741 data
= mono_file_map (info
->datafile_size
, MONO_MMAP_READ
, mono_file_map_fd (map
), 0, ret_handle
);
1748 check_usable (MonoAssembly
*assembly
, MonoAotFileInfo
*info
, guint8
*blob
, char **out_msg
)
1752 gboolean usable
= TRUE
;
1753 gboolean full_aot
, safepoints
;
1754 guint32 excluded_cpu_optimizations
;
1756 if (strcmp (assembly
->image
->guid
, info
->assembly_guid
)) {
1757 msg
= g_strdup_printf ("doesn't match assembly");
1761 build_info
= mono_get_runtime_build_info ();
1762 if (strlen ((const char *)info
->runtime_version
) > 0 && strcmp (info
->runtime_version
, build_info
)) {
1763 msg
= g_strdup_printf ("compiled against runtime version '%s' while this runtime has version '%s'", info
->runtime_version
, build_info
);
1766 g_free (build_info
);
1768 full_aot
= info
->flags
& MONO_AOT_FILE_FLAG_FULL_AOT
;
1770 if (mono_aot_only
&& !full_aot
) {
1771 msg
= g_strdup_printf ("not compiled with --aot=full");
1774 if (!mono_aot_only
&& full_aot
) {
1775 msg
= g_strdup_printf ("compiled with --aot=full");
1778 if (mono_llvm_only
&& !(info
->flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) {
1779 msg
= g_strdup_printf ("not compiled with --aot=llvmonly");
1782 if (mini_get_debug_options ()->mdb_optimizations
&& !(info
->flags
& MONO_AOT_FILE_FLAG_DEBUG
) && !full_aot
) {
1783 msg
= g_strdup_printf ("not compiled for debugging");
1787 mono_arch_cpu_optimizations (&excluded_cpu_optimizations
);
1788 if (info
->opts
& excluded_cpu_optimizations
) {
1789 msg
= g_strdup_printf ("compiled with unsupported CPU optimizations");
1793 if (!mono_aot_only
&& (info
->simd_opts
& ~mono_arch_cpu_enumerate_simd_versions ())) {
1794 msg
= g_strdup_printf ("compiled with unsupported SIMD extensions");
1798 if (info
->gc_name_index
!= -1) {
1799 char *gc_name
= (char*)&blob
[info
->gc_name_index
];
1800 const char *current_gc_name
= mono_gc_get_gc_name ();
1802 if (strcmp (current_gc_name
, gc_name
) != 0) {
1803 msg
= g_strdup_printf ("compiled against GC %s, while the current runtime uses GC %s.\n", gc_name
, current_gc_name
);
1808 safepoints
= info
->flags
& MONO_AOT_FILE_FLAG_SAFEPOINTS
;
1810 if (!safepoints
&& mono_threads_is_coop_enabled ()) {
1811 msg
= g_strdup_printf ("not compiled with safepoints");
1820 * TABLE should point to a table of call instructions. Return the address called by the INDEXth entry.
1823 get_call_table_entry (void *table
, int index
)
1825 #if defined(TARGET_ARM)
1830 ins_addr
= (guint32
*)table
+ index
;
1832 if ((ins
>> ARMCOND_SHIFT
) == ARMCOND_NV
) {
1834 offset
= (((int)(((ins
& 0xffffff) << 1) | ((ins
>> 24) & 0x1))) << 7) >> 7;
1835 return (char*)ins_addr
+ (offset
* 2) + 8 + 1;
1837 offset
= (((int)ins
& 0xffffff) << 8) >> 8;
1838 return (char*)ins_addr
+ (offset
* 4) + 8;
1840 #elif defined(TARGET_ARM64)
1841 return mono_arch_get_call_target ((guint8
*)table
+ (index
* 4) + 4);
1842 #elif defined(TARGET_X86) || defined(TARGET_AMD64)
1843 /* The callee expects an ip which points after the call */
1844 return mono_arch_get_call_target ((guint8
*)table
+ (index
* 5) + 5);
1846 g_assert_not_reached ();
1854 * Initialize the shared got entries for AMODULE.
1857 init_amodule_got (MonoAotModule
*amodule
)
1861 MonoJumpInfo
*patches
;
1862 guint32 got_offsets
[128];
1866 /* These can't be initialized in load_aot_module () */
1867 if (amodule
->shared_got
[0] || amodule
->got_initializing
)
1870 amodule
->got_initializing
= TRUE
;
1872 mp
= mono_mempool_new ();
1873 npatches
= amodule
->info
.nshared_got_entries
;
1874 for (i
= 0; i
< npatches
; ++i
)
1875 got_offsets
[i
] = i
;
1876 patches
= decode_patches (amodule
, mp
, npatches
, FALSE
, got_offsets
);
1878 for (i
= 0; i
< npatches
; ++i
) {
1881 if (ji
->type
== MONO_PATCH_INFO_GC_CARD_TABLE_ADDR
&& !mono_gc_is_moving ()) {
1882 amodule
->shared_got
[i
] = NULL
;
1883 } else if (ji
->type
== MONO_PATCH_INFO_GC_NURSERY_START
&& !mono_gc_is_moving ()) {
1884 amodule
->shared_got
[i
] = NULL
;
1885 } else if (ji
->type
== MONO_PATCH_INFO_GC_NURSERY_BITS
&& !mono_gc_is_moving ()) {
1886 amodule
->shared_got
[i
] = NULL
;
1887 } else if (ji
->type
== MONO_PATCH_INFO_IMAGE
) {
1888 amodule
->shared_got
[i
] = amodule
->assembly
->image
;
1889 } else if (ji
->type
== MONO_PATCH_INFO_MSCORLIB_GOT_ADDR
) {
1890 if (mono_defaults
.corlib
) {
1891 MonoAotModule
*mscorlib_amodule
= (MonoAotModule
*)mono_defaults
.corlib
->aot_module
;
1893 if (mscorlib_amodule
)
1894 amodule
->shared_got
[i
] = mscorlib_amodule
->got
;
1896 amodule
->shared_got
[i
] = amodule
->got
;
1898 } else if (ji
->type
== MONO_PATCH_INFO_AOT_MODULE
) {
1899 amodule
->shared_got
[i
] = amodule
;
1901 amodule
->shared_got
[i
] = mono_resolve_patch_target (NULL
, mono_get_root_domain (), NULL
, ji
, FALSE
, &error
);
1902 mono_error_assert_ok (&error
);
1907 for (i
= 0; i
< npatches
; ++i
)
1908 amodule
->got
[i
] = amodule
->shared_got
[i
];
1910 if (amodule
->llvm_got
) {
1911 for (i
= 0; i
< npatches
; ++i
)
1912 amodule
->llvm_got
[i
] = amodule
->shared_got
[i
];
1915 mono_mempool_destroy (mp
);
1919 load_aot_module (MonoAssembly
*assembly
, gpointer user_data
)
1921 char *aot_name
, *found_aot_name
;
1922 MonoAotModule
*amodule
;
1924 gboolean usable
= TRUE
;
1925 char *version_symbol
= NULL
;
1927 gpointer
*globals
= NULL
;
1928 MonoAotFileInfo
*info
= NULL
;
1930 gboolean do_load_image
= TRUE
;
1931 int align_double
, align_int64
;
1932 guint8
*aot_data
= NULL
;
1934 if (mono_compile_aot
)
1937 if (assembly
->image
->aot_module
)
1939 * Already loaded. This can happen because the assembly loading code might invoke
1940 * the assembly load hooks multiple times for the same assembly.
1944 if (image_is_dynamic (assembly
->image
) || assembly
->ref_only
)
1948 if (static_aot_modules
)
1949 info
= (MonoAotFileInfo
*)g_hash_table_lookup (static_aot_modules
, assembly
->aname
.name
);
1956 found_aot_name
= NULL
;
1959 /* Statically linked AOT module */
1960 aot_name
= g_strdup_printf ("%s", assembly
->aname
.name
);
1961 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "Found statically linked AOT module '%s'.", aot_name
);
1962 if (!(info
->flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) {
1963 globals
= (void **)info
->globals
;
1969 if (enable_aot_cache
)
1970 sofile
= aot_cache_load_module (assembly
, &aot_name
);
1972 aot_name
= g_strdup_printf ("%s%s", assembly
->image
->name
, MONO_SOLIB_EXT
);
1974 sofile
= mono_dl_open (aot_name
, MONO_DL_LAZY
, &err
);
1976 found_aot_name
= g_strdup (aot_name
);
1978 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' not found: %s", aot_name
, err
);
1984 char *basename
= g_path_get_basename (assembly
->image
->name
);
1985 aot_name
= g_strdup_printf ("%s/mono/aot-cache/%s/%s%s", mono_assembly_getrootdir(), MONO_ARCHITECTURE
, basename
, MONO_SOLIB_EXT
);
1987 sofile
= mono_dl_open (aot_name
, MONO_DL_LAZY
, &err
);
1989 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' not found: %s", aot_name
, err
);
1996 for (l
= mono_aot_paths
; l
; l
= l
->next
) {
1997 char *path
= l
->data
;
1999 char *basename
= g_path_get_basename (assembly
->image
->name
);
2000 aot_name
= g_strdup_printf ("%s/%s%s", path
, basename
, MONO_SOLIB_EXT
);
2001 sofile
= mono_dl_open (aot_name
, MONO_DL_LAZY
, &err
);
2003 found_aot_name
= g_strdup (aot_name
);
2005 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' not found: %s", aot_name
, err
);
2015 if (mono_aot_only
&& assembly
->image
->tables
[MONO_TABLE_METHOD
].rows
) {
2016 aot_name
= g_strdup_printf ("%s%s", assembly
->image
->name
, MONO_SOLIB_EXT
);
2017 g_error ("Failed to load AOT module '%s' in aot-only mode.\n", aot_name
);
2025 find_symbol (sofile
, globals
, "mono_aot_version", (gpointer
*) &version_symbol
);
2026 find_symbol (sofile
, globals
, "mono_aot_file_info", (gpointer
*)&info
);
2029 // Copy aotid to MonoImage
2030 memcpy(&assembly
->image
->aotid
, info
->aotid
, 16);
2032 if (version_symbol
) {
2033 /* Old file format */
2034 version
= atoi (version_symbol
);
2037 version
= info
->version
;
2040 if (version
!= MONO_AOT_FILE_VERSION
) {
2041 msg
= g_strdup_printf ("wrong file format version (expected %d got %d)", MONO_AOT_FILE_VERSION
, version
);
2047 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
) {
2048 aot_data
= open_aot_data (assembly
, info
, &handle
);
2050 blob
= aot_data
+ info
->table_offsets
[MONO_AOT_TABLE_BLOB
];
2052 blob
= (guint8
*)info
->blob
;
2055 usable
= check_usable (assembly
, info
, blob
, &msg
);
2059 if (mono_aot_only
) {
2060 g_error ("Failed to load AOT module '%s' while running in aot-only mode: %s.\n", aot_name
, msg
);
2062 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: module %s is unusable: %s.", aot_name
, msg
);
2067 mono_dl_close (sofile
);
2068 assembly
->image
->aot_module
= NULL
;
2073 align_double
= MONO_ABI_ALIGNOF (double);
2074 align_int64
= MONO_ABI_ALIGNOF (gint64
);
2075 g_assert (info
->double_align
== align_double
);
2076 g_assert (info
->long_align
== align_int64
);
2077 g_assert (info
->generic_tramp_num
== MONO_TRAMPOLINE_NUM
);
2079 amodule
= g_new0 (MonoAotModule
, 1);
2080 amodule
->aot_name
= aot_name
;
2081 amodule
->assembly
= assembly
;
2083 memcpy (&amodule
->info
, info
, sizeof (*info
));
2085 amodule
->got
= (void **)amodule
->info
.jit_got
;
2086 amodule
->llvm_got
= (void **)amodule
->info
.llvm_got
;
2087 amodule
->globals
= globals
;
2088 amodule
->sofile
= sofile
;
2089 amodule
->method_to_code
= g_hash_table_new (mono_aligned_addr_hash
, NULL
);
2090 amodule
->extra_methods
= g_hash_table_new (NULL
, NULL
);
2091 amodule
->shared_got
= g_new0 (gpointer
, info
->nshared_got_entries
);
2093 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
) {
2094 for (i
= 0; i
< MONO_AOT_TABLE_NUM
; ++i
)
2095 amodule
->tables
[i
] = aot_data
+ info
->table_offsets
[i
];
2098 mono_os_mutex_init_recursive (&amodule
->mutex
);
2100 /* Read image table */
2102 guint32 table_len
, i
;
2105 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
)
2106 table
= amodule
->tables
[MONO_AOT_TABLE_IMAGE_TABLE
];
2108 table
= (char *)info
->image_table
;
2111 table_len
= *(guint32
*)table
;
2112 table
+= sizeof (guint32
);
2113 amodule
->image_table
= g_new0 (MonoImage
*, table_len
);
2114 amodule
->image_names
= g_new0 (MonoAssemblyName
, table_len
);
2115 amodule
->image_guids
= g_new0 (char*, table_len
);
2116 amodule
->image_table_len
= table_len
;
2117 for (i
= 0; i
< table_len
; ++i
) {
2118 MonoAssemblyName
*aname
= &(amodule
->image_names
[i
]);
2120 aname
->name
= g_strdup (table
);
2121 table
+= strlen (table
) + 1;
2122 amodule
->image_guids
[i
] = g_strdup (table
);
2123 table
+= strlen (table
) + 1;
2125 aname
->culture
= g_strdup (table
);
2126 table
+= strlen (table
) + 1;
2127 memcpy (aname
->public_key_token
, table
, strlen (table
) + 1);
2128 table
+= strlen (table
) + 1;
2130 table
= (char *)ALIGN_PTR_TO (table
, 8);
2131 aname
->flags
= *(guint32
*)table
;
2133 aname
->major
= *(guint32
*)table
;
2135 aname
->minor
= *(guint32
*)table
;
2137 aname
->build
= *(guint32
*)table
;
2139 aname
->revision
= *(guint32
*)table
;
2144 amodule
->jit_code_start
= (guint8
*)info
->jit_code_start
;
2145 amodule
->jit_code_end
= (guint8
*)info
->jit_code_end
;
2146 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
) {
2147 amodule
->blob
= amodule
->tables
[MONO_AOT_TABLE_BLOB
];
2148 amodule
->method_info_offsets
= amodule
->tables
[MONO_AOT_TABLE_METHOD_INFO_OFFSETS
];
2149 amodule
->ex_info_offsets
= amodule
->tables
[MONO_AOT_TABLE_EX_INFO_OFFSETS
];
2150 amodule
->class_info_offsets
= amodule
->tables
[MONO_AOT_TABLE_CLASS_INFO_OFFSETS
];
2151 amodule
->class_name_table
= amodule
->tables
[MONO_AOT_TABLE_CLASS_NAME
];
2152 amodule
->extra_method_table
= amodule
->tables
[MONO_AOT_TABLE_EXTRA_METHOD_TABLE
];
2153 amodule
->extra_method_info_offsets
= amodule
->tables
[MONO_AOT_TABLE_EXTRA_METHOD_INFO_OFFSETS
];
2154 amodule
->got_info_offsets
= amodule
->tables
[MONO_AOT_TABLE_GOT_INFO_OFFSETS
];
2155 amodule
->llvm_got_info_offsets
= amodule
->tables
[MONO_AOT_TABLE_LLVM_GOT_INFO_OFFSETS
];
2157 amodule
->blob
= info
->blob
;
2158 amodule
->method_info_offsets
= (guint32
*)info
->method_info_offsets
;
2159 amodule
->ex_info_offsets
= (guint32
*)info
->ex_info_offsets
;
2160 amodule
->class_info_offsets
= (guint32
*)info
->class_info_offsets
;
2161 amodule
->class_name_table
= (guint16
*)info
->class_name_table
;
2162 amodule
->extra_method_table
= (guint32
*)info
->extra_method_table
;
2163 amodule
->extra_method_info_offsets
= (guint32
*)info
->extra_method_info_offsets
;
2164 amodule
->got_info_offsets
= info
->got_info_offsets
;
2165 amodule
->llvm_got_info_offsets
= info
->llvm_got_info_offsets
;
2167 amodule
->unbox_trampolines
= (guint32
*)info
->unbox_trampolines
;
2168 amodule
->unbox_trampolines_end
= (guint32
*)info
->unbox_trampolines_end
;
2169 amodule
->unbox_trampoline_addresses
= (guint32
*)info
->unbox_trampoline_addresses
;
2170 amodule
->unwind_info
= (guint8
*)info
->unwind_info
;
2171 amodule
->mem_begin
= amodule
->jit_code_start
;
2172 amodule
->mem_end
= (guint8
*)info
->mem_end
;
2173 amodule
->plt
= (guint8
*)info
->plt
;
2174 amodule
->plt_end
= (guint8
*)info
->plt_end
;
2175 amodule
->mono_eh_frame
= (guint8
*)info
->mono_eh_frame
;
2176 amodule
->trampolines
[MONO_AOT_TRAMP_SPECIFIC
] = (guint8
*)info
->specific_trampolines
;
2177 amodule
->trampolines
[MONO_AOT_TRAMP_STATIC_RGCTX
] = (guint8
*)info
->static_rgctx_trampolines
;
2178 amodule
->trampolines
[MONO_AOT_TRAMP_IMT
] = (guint8
*)info
->imt_trampolines
;
2179 amodule
->trampolines
[MONO_AOT_TRAMP_GSHAREDVT_ARG
] = (guint8
*)info
->gsharedvt_arg_trampolines
;
2181 if (!strcmp (assembly
->aname
.name
, "mscorlib"))
2182 mscorlib_aot_module
= amodule
;
2184 /* Compute method addresses */
2185 amodule
->methods
= (void **)g_malloc0 (amodule
->info
.nmethods
* sizeof (gpointer
));
2186 for (i
= 0; i
< amodule
->info
.nmethods
; ++i
) {
2189 if (amodule
->info
.llvm_get_method
) {
2190 gpointer (*get_method
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_method
;
2192 addr
= get_method (i
);
2195 /* method_addresses () contains a table of branches, since the ios linker can update those correctly */
2196 if (!addr
&& amodule
->info
.method_addresses
) {
2197 addr
= get_call_table_entry (amodule
->info
.method_addresses
, i
);
2199 if (addr
== amodule
->info
.method_addresses
)
2203 amodule
->methods
[i
] = GINT_TO_POINTER (-1);
2205 amodule
->methods
[i
] = addr
;
2208 if (make_unreadable
) {
2209 #ifndef TARGET_WIN32
2211 guint8
*page_start
, *page_end
;
2214 addr
= amodule
->mem_begin
;
2216 len
= amodule
->mem_end
- amodule
->mem_begin
;
2218 /* Round down in both directions to avoid modifying data which is not ours */
2219 page_start
= (guint8
*) (((gssize
) (addr
)) & ~ (mono_pagesize () - 1)) + mono_pagesize ();
2220 page_end
= (guint8
*) (((gssize
) (addr
+ len
)) & ~ (mono_pagesize () - 1));
2221 if (page_end
> page_start
) {
2222 err
= mono_mprotect (page_start
, (page_end
- page_start
), MONO_MMAP_NONE
);
2223 g_assert (err
== 0);
2228 /* Compute the boundaries of LLVM code */
2229 if (info
->flags
& MONO_AOT_FILE_FLAG_WITH_LLVM
)
2230 compute_llvm_code_range (amodule
, &amodule
->llvm_code_start
, &amodule
->llvm_code_end
);
2234 if (amodule
->jit_code_start
) {
2235 aot_code_low_addr
= MIN (aot_code_low_addr
, (gsize
)amodule
->jit_code_start
);
2236 aot_code_high_addr
= MAX (aot_code_high_addr
, (gsize
)amodule
->jit_code_end
);
2238 if (amodule
->llvm_code_start
) {
2239 aot_code_low_addr
= MIN (aot_code_low_addr
, (gsize
)amodule
->llvm_code_start
);
2240 aot_code_high_addr
= MAX (aot_code_high_addr
, (gsize
)amodule
->llvm_code_end
);
2243 g_hash_table_insert (aot_modules
, assembly
, amodule
);
2246 if (amodule
->jit_code_start
)
2247 mono_jit_info_add_aot_module (assembly
->image
, amodule
->jit_code_start
, amodule
->jit_code_end
);
2248 if (amodule
->llvm_code_start
)
2249 mono_jit_info_add_aot_module (assembly
->image
, amodule
->llvm_code_start
, amodule
->llvm_code_end
);
2251 assembly
->image
->aot_module
= amodule
;
2253 if (mono_aot_only
&& !mono_llvm_only
) {
2255 find_amodule_symbol (amodule
, "specific_trampolines_page", (gpointer
*)&code
);
2256 amodule
->use_page_trampolines
= code
!= NULL
;
2257 /*g_warning ("using page trampolines: %d", amodule->use_page_trampolines);*/
2261 * Register the plt region as a single trampoline so we can unwind from this code
2263 mono_tramp_info_register (
2264 mono_tramp_info_create (
2267 amodule
->plt_end
- amodule
->plt
,
2269 mono_unwind_get_cie_program ()
2275 * Since we store methoddef and classdef tokens when referring to methods/classes in
2276 * referenced assemblies, we depend on the exact versions of the referenced assemblies.
2277 * MS calls this 'hard binding'. This means we have to load all referenced assemblies
2278 * non-lazily, since we can't handle out-of-date errors later.
2279 * The cached class info also depends on the exact assemblies.
2281 #if defined(__native_client__)
2282 /* TODO: Don't 'load_image' on mscorlib due to a */
2283 /* recursive loading problem. This should be */
2284 /* removed if mscorlib is loaded from disk. */
2285 if (strncmp(assembly
->aname
.name
, "mscorlib", 8)) {
2286 do_load_image
= TRUE
;
2288 do_load_image
= FALSE
;
2291 if (do_load_image
) {
2292 for (i
= 0; i
< amodule
->image_table_len
; ++i
) {
2294 load_image (amodule
, i
, &error
);
2295 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
2299 if (amodule
->out_of_date
) {
2300 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: Module %s is unusable because a dependency is out-of-date.", assembly
->image
->name
);
2302 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
);
2304 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' found.", found_aot_name
);
2306 g_free (found_aot_name
);
2310 * mono_aot_register_module:
2312 * This should be called by embedding code to register AOT modules statically linked
2313 * into the executable. AOT_INFO should be the value of the
2314 * 'mono_aot_module_<ASSEMBLY_NAME>_info' global symbol from the AOT module.
2317 mono_aot_register_module (gpointer
*aot_info
)
2321 MonoAotFileInfo
*info
= (MonoAotFileInfo
*)aot_info
;
2323 g_assert (info
->version
== MONO_AOT_FILE_VERSION
);
2325 if (!(info
->flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) {
2326 globals
= (void **)info
->globals
;
2330 aname
= (char *)info
->assembly_name
;
2332 /* This could be called before startup */
2336 if (!static_aot_modules
)
2337 static_aot_modules
= g_hash_table_new (g_str_hash
, g_str_equal
);
2339 g_hash_table_insert (static_aot_modules
, aname
, info
);
2346 mono_aot_init (void)
2348 mono_os_mutex_init_recursive (&aot_mutex
);
2349 mono_os_mutex_init_recursive (&aot_page_mutex
);
2350 aot_modules
= g_hash_table_new (NULL
, NULL
);
2352 #ifndef __native_client__
2353 mono_install_assembly_load_hook (load_aot_module
, NULL
);
2355 mono_counters_register ("Async JIT info size", MONO_COUNTER_INT
|MONO_COUNTER_JIT
, &async_jit_info_size
);
2357 if (g_getenv ("MONO_LASTAOT"))
2358 mono_last_aot_method
= atoi (g_getenv ("MONO_LASTAOT"));
2363 mono_aot_cleanup (void)
2365 if (aot_jit_icall_hash
)
2366 g_hash_table_destroy (aot_jit_icall_hash
);
2368 g_hash_table_destroy (aot_modules
);
2372 decode_cached_class_info (MonoAotModule
*module
, MonoCachedClassInfo
*info
, guint8
*buf
, guint8
**endbuf
)
2379 info
->vtable_size
= decode_value (buf
, &buf
);
2380 if (info
->vtable_size
== -1)
2383 flags
= decode_value (buf
, &buf
);
2384 info
->ghcimpl
= (flags
>> 0) & 0x1;
2385 info
->has_finalize
= (flags
>> 1) & 0x1;
2386 info
->has_cctor
= (flags
>> 2) & 0x1;
2387 info
->has_nested_classes
= (flags
>> 3) & 0x1;
2388 info
->blittable
= (flags
>> 4) & 0x1;
2389 info
->has_references
= (flags
>> 5) & 0x1;
2390 info
->has_static_refs
= (flags
>> 6) & 0x1;
2391 info
->no_special_static_fields
= (flags
>> 7) & 0x1;
2392 info
->is_generic_container
= (flags
>> 8) & 0x1;
2394 if (info
->has_cctor
) {
2395 res
= decode_method_ref (module
, &ref
, buf
, &buf
, &error
);
2396 mono_error_assert_ok (&error
); /* FIXME don't swallow the error */
2399 info
->cctor_token
= ref
.token
;
2401 if (info
->has_finalize
) {
2402 res
= decode_method_ref (module
, &ref
, buf
, &buf
, &error
);
2403 mono_error_assert_ok (&error
); /* FIXME don't swallow the error */
2406 info
->finalize_image
= ref
.image
;
2407 info
->finalize_token
= ref
.token
;
2410 info
->instance_size
= decode_value (buf
, &buf
);
2411 info
->class_size
= decode_value (buf
, &buf
);
2412 info
->packing_size
= decode_value (buf
, &buf
);
2413 info
->min_align
= decode_value (buf
, &buf
);
2421 mono_aot_get_method_from_vt_slot (MonoDomain
*domain
, MonoVTable
*vtable
, int slot
, MonoError
*error
)
2424 MonoClass
*klass
= vtable
->klass
;
2425 MonoAotModule
*amodule
= (MonoAotModule
*)klass
->image
->aot_module
;
2427 MonoCachedClassInfo class_info
;
2432 MonoError inner_error
;
2434 mono_error_init (error
);
2436 if (MONO_CLASS_IS_INTERFACE (klass
) || klass
->rank
|| !amodule
)
2439 info
= &amodule
->blob
[mono_aot_get_offset (amodule
->class_info_offsets
, mono_metadata_token_index (klass
->type_token
) - 1)];
2442 err
= decode_cached_class_info (amodule
, &class_info
, p
, &p
);
2446 for (i
= 0; i
< slot
; ++i
) {
2447 decode_method_ref (amodule
, &ref
, p
, &p
, &inner_error
);
2448 mono_error_cleanup (&inner_error
); /* FIXME don't swallow the error */
2451 res
= decode_method_ref (amodule
, &ref
, p
, &p
, &inner_error
);
2452 mono_error_cleanup (&inner_error
); /* FIXME don't swallow the error */
2455 if (ref
.no_aot_trampoline
)
2458 if (mono_metadata_token_index (ref
.token
) == 0 || mono_metadata_token_table (ref
.token
) != MONO_TABLE_METHOD
)
2461 addr
= mono_aot_get_method_from_token (domain
, ref
.image
, ref
.token
, error
);
2466 mono_aot_get_cached_class_info (MonoClass
*klass
, MonoCachedClassInfo
*res
)
2468 MonoAotModule
*amodule
= (MonoAotModule
*)klass
->image
->aot_module
;
2472 if (klass
->rank
|| !klass
->type_token
|| !amodule
)
2475 p
= (guint8
*)&amodule
->blob
[mono_aot_get_offset (amodule
->class_info_offsets
, mono_metadata_token_index (klass
->type_token
) - 1)];
2477 err
= decode_cached_class_info (amodule
, res
, p
, &p
);
2485 * mono_aot_get_class_from_name:
2487 * Obtains a MonoClass with a given namespace and a given name which is located in IMAGE,
2488 * using a cache stored in the AOT file.
2489 * Stores the resulting class in *KLASS if found, stores NULL otherwise.
2491 * Returns: TRUE if the klass was found/not found in the cache, FALSE if no aot file was
2495 mono_aot_get_class_from_name (MonoImage
*image
, const char *name_space
, const char *name
, MonoClass
**klass
)
2497 MonoAotModule
*amodule
= (MonoAotModule
*)image
->aot_module
;
2498 guint16
*table
, *entry
;
2501 char full_name_buf
[1024];
2503 const char *name2
, *name_space2
;
2505 guint32 cols
[MONO_TYPEDEF_SIZE
];
2506 GHashTable
*nspace_table
;
2508 if (!amodule
|| !amodule
->class_name_table
)
2511 amodule_lock (amodule
);
2515 /* First look in the cache */
2516 if (!amodule
->name_cache
)
2517 amodule
->name_cache
= g_hash_table_new (g_str_hash
, g_str_equal
);
2518 nspace_table
= (GHashTable
*)g_hash_table_lookup (amodule
->name_cache
, name_space
);
2520 *klass
= (MonoClass
*)g_hash_table_lookup (nspace_table
, name
);
2522 amodule_unlock (amodule
);
2527 table_size
= amodule
->class_name_table
[0];
2528 table
= amodule
->class_name_table
+ 1;
2530 if (name_space
[0] == '\0')
2531 full_name
= g_strdup_printf ("%s", name
);
2533 if (strlen (name_space
) + strlen (name
) < 1000) {
2534 sprintf (full_name_buf
, "%s.%s", name_space
, name
);
2535 full_name
= full_name_buf
;
2537 full_name
= g_strdup_printf ("%s.%s", name_space
, name
);
2540 hash
= mono_metadata_str_hash (full_name
) % table_size
;
2541 if (full_name
!= full_name_buf
)
2544 entry
= &table
[hash
* 2];
2546 if (entry
[0] != 0) {
2547 t
= &image
->tables
[MONO_TABLE_TYPEDEF
];
2550 guint32 index
= entry
[0];
2551 guint32 next
= entry
[1];
2552 guint32 token
= mono_metadata_make_token (MONO_TABLE_TYPEDEF
, index
);
2554 name_table_accesses
++;
2556 mono_metadata_decode_row (t
, index
- 1, cols
, MONO_TYPEDEF_SIZE
);
2558 name2
= mono_metadata_string_heap (image
, cols
[MONO_TYPEDEF_NAME
]);
2559 name_space2
= mono_metadata_string_heap (image
, cols
[MONO_TYPEDEF_NAMESPACE
]);
2561 if (!strcmp (name
, name2
) && !strcmp (name_space
, name_space2
)) {
2563 amodule_unlock (amodule
);
2564 *klass
= mono_class_get_checked (image
, token
, &error
);
2565 if (!mono_error_ok (&error
))
2566 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
2570 amodule_lock (amodule
);
2571 nspace_table
= (GHashTable
*)g_hash_table_lookup (amodule
->name_cache
, name_space
);
2572 if (!nspace_table
) {
2573 nspace_table
= g_hash_table_new (g_str_hash
, g_str_equal
);
2574 g_hash_table_insert (amodule
->name_cache
, (char*)name_space2
, nspace_table
);
2576 g_hash_table_insert (nspace_table
, (char*)name2
, *klass
);
2577 amodule_unlock (amodule
);
2583 entry
= &table
[next
* 2];
2590 amodule_unlock (amodule
);
2595 /* Compute the boundaries of the LLVM code for AMODULE. */
2597 compute_llvm_code_range (MonoAotModule
*amodule
, guint8
**code_start
, guint8
**code_end
)
2600 int version
, fde_count
;
2603 if (amodule
->info
.llvm_get_method
) {
2604 gpointer (*get_method
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_method
;
2606 *code_start
= (guint8
*)get_method (-1);
2607 *code_end
= (guint8
*)get_method (-2);
2609 g_assert (*code_end
> *code_start
);
2613 g_assert (amodule
->mono_eh_frame
);
2615 p
= amodule
->mono_eh_frame
;
2617 /* p points to data emitted by LLVM in DwarfException::EmitMonoEHFrame () */
2621 g_assert (version
== 3);
2624 p
= (guint8
*)ALIGN_PTR_TO (p
, 4);
2626 fde_count
= *(guint32
*)p
;
2630 if (fde_count
> 0) {
2631 *code_start
= (guint8
*)amodule
->methods
[table
[0]];
2632 *code_end
= (guint8
*)amodule
->methods
[table
[(fde_count
- 1) * 2]] + table
[fde_count
* 2];
2640 is_llvm_code (MonoAotModule
*amodule
, guint8
*code
)
2642 if ((guint8
*)code
>= amodule
->llvm_code_start
&& (guint8
*)code
< amodule
->llvm_code_end
)
2649 is_thumb_code (MonoAotModule
*amodule
, guint8
*code
)
2651 if (is_llvm_code (amodule
, code
) && (amodule
->info
.flags
& MONO_AOT_FILE_FLAG_LLVM_THUMB
))
2658 * decode_llvm_mono_eh_frame:
2660 * Decode the EH information emitted by our modified LLVM compiler and construct a
2661 * MonoJitInfo structure from it.
2662 * LOCKING: Acquires the domain lock.
2665 decode_llvm_mono_eh_frame (MonoAotModule
*amodule
, MonoDomain
*domain
,
2666 MonoMethod
*method
, guint8
*code
, guint32 code_len
,
2667 MonoJitExceptionInfo
*clauses
, int num_clauses
,
2668 MonoJitInfoFlags flags
,
2670 int *this_reg
, int *this_offset
)
2672 guint8
*p
, *code1
, *code2
;
2673 guint8
*fde
, *cie
, *code_start
, *code_end
;
2674 int version
, fde_count
;
2676 int i
, pos
, left
, right
;
2677 MonoJitExceptionInfo
*ei
;
2678 guint32 fde_len
, ei_len
, nested_len
, nindex
;
2679 gpointer
*type_info
;
2681 MonoLLVMFDEInfo info
;
2683 if (!amodule
->mono_eh_frame
) {
2684 jinfo
= (MonoJitInfo
*)mono_domain_alloc0_lock_free (domain
, mono_jit_info_size (flags
, num_clauses
, 0));
2685 mono_jit_info_init (jinfo
, method
, code
, code_len
, flags
, num_clauses
, 0);
2686 memcpy (jinfo
->clauses
, clauses
, num_clauses
* sizeof (MonoJitExceptionInfo
));
2690 g_assert (amodule
->mono_eh_frame
&& code
);
2692 p
= amodule
->mono_eh_frame
;
2694 /* p points to data emitted by LLVM in DwarfMonoException::EmitMonoEHFrame () */
2698 g_assert (version
== 3);
2700 /* func_encoding = *p; */
2702 p
= (guint8
*)ALIGN_PTR_TO (p
, 4);
2704 fde_count
= *(guint32
*)p
;
2708 /* There is +1 entry in the table */
2709 cie
= p
+ ((fde_count
+ 1) * 8);
2711 /* Binary search in the table to find the entry for code */
2715 pos
= (left
+ right
) / 2;
2717 /* The table contains method index/fde offset pairs */
2718 g_assert (table
[(pos
* 2)] != -1);
2719 code1
= (guint8
*)amodule
->methods
[table
[(pos
* 2)]];
2720 if (pos
+ 1 == fde_count
) {
2721 code2
= amodule
->llvm_code_end
;
2723 g_assert (table
[(pos
+ 1) * 2] != -1);
2724 code2
= (guint8
*)amodule
->methods
[table
[(pos
+ 1) * 2]];
2729 else if (code
>= code2
)
2735 code_start
= (guint8
*)amodule
->methods
[table
[(pos
* 2)]];
2736 if (pos
+ 1 == fde_count
) {
2737 /* The +1 entry in the table contains the length of the last method */
2738 int len
= table
[(pos
+ 1) * 2];
2739 code_end
= code_start
+ len
;
2741 code_end
= (guint8
*)amodule
->methods
[table
[(pos
+ 1) * 2]];
2744 code_len
= code_end
- code_start
;
2746 g_assert (code
>= code_start
&& code
< code_end
);
2748 if (is_thumb_code (amodule
, code_start
))
2749 /* Clear thumb flag */
2750 code_start
= (guint8
*)(((mgreg_t
)code_start
) & ~1);
2752 fde
= amodule
->mono_eh_frame
+ table
[(pos
* 2) + 1];
2753 /* This won't overflow because there is +1 entry in the table */
2754 fde_len
= table
[(pos
* 2) + 2 + 1] - table
[(pos
* 2) + 1];
2756 mono_unwind_decode_llvm_mono_fde (fde
, fde_len
, cie
, code_start
, &info
);
2758 ei_len
= info
.ex_info_len
;
2759 type_info
= info
.type_info
;
2760 *this_reg
= info
.this_reg
;
2761 *this_offset
= info
.this_offset
;
2763 /* Count number of nested clauses */
2765 for (i
= 0; i
< ei_len
; ++i
) {
2766 /* This might be unaligned */
2767 gint32 cindex1
= read32 (type_info
[i
]);
2770 for (l
= nesting
[cindex1
]; l
; l
= l
->next
)
2775 * LLVM might represent one IL region with multiple regions, so have to
2776 * allocate a new JI.
2779 (MonoJitInfo
*)mono_domain_alloc0_lock_free (domain
, mono_jit_info_size (flags
, ei_len
+ nested_len
, 0));
2780 mono_jit_info_init (jinfo
, method
, code
, code_len
, flags
, ei_len
+ nested_len
, 0);
2782 jinfo
->unwind_info
= mono_cache_unwind_info (info
.unw_info
, info
.unw_info_len
);
2783 /* This signals that unwind_info points to a normal cached unwind info */
2784 jinfo
->from_aot
= 0;
2785 jinfo
->from_llvm
= 1;
2787 for (i
= 0; i
< ei_len
; ++i
) {
2789 * clauses contains the original IL exception info saved by the AOT
2790 * compiler, we have to combine that with the information produced by LLVM
2792 /* The type_info entries contain IL clause indexes */
2793 int clause_index
= read32 (type_info
[i
]);
2794 MonoJitExceptionInfo
*jei
= &jinfo
->clauses
[i
];
2795 MonoJitExceptionInfo
*orig_jei
= &clauses
[clause_index
];
2797 g_assert (clause_index
< num_clauses
);
2798 jei
->flags
= orig_jei
->flags
;
2799 jei
->data
.catch_class
= orig_jei
->data
.catch_class
;
2801 jei
->try_start
= ei
[i
].try_start
;
2802 jei
->try_end
= ei
[i
].try_end
;
2803 jei
->handler_start
= ei
[i
].handler_start
;
2804 jei
->clause_index
= clause_index
;
2806 if (is_thumb_code (amodule
, (guint8
*)jei
->try_start
)) {
2807 jei
->try_start
= (void*)((mgreg_t
)jei
->try_start
& ~1);
2808 jei
->try_end
= (void*)((mgreg_t
)jei
->try_end
& ~1);
2809 /* Make sure we transition to thumb when a handler starts */
2810 jei
->handler_start
= (void*)((mgreg_t
)jei
->handler_start
+ 1);
2814 /* See exception_cb () in mini-llvm.c as to why this is needed */
2816 for (i
= 0; i
< ei_len
; ++i
) {
2817 gint32 cindex1
= read32 (type_info
[i
]);
2820 for (l
= nesting
[cindex1
]; l
; l
= l
->next
) {
2821 gint32 nesting_cindex
= GPOINTER_TO_INT (l
->data
);
2822 MonoJitExceptionInfo
*nesting_ei
;
2823 MonoJitExceptionInfo
*nesting_clause
= &clauses
[nesting_cindex
];
2825 nesting_ei
= &jinfo
->clauses
[nindex
];
2828 memcpy (nesting_ei
, &jinfo
->clauses
[i
], sizeof (MonoJitExceptionInfo
));
2829 nesting_ei
->flags
= nesting_clause
->flags
;
2830 nesting_ei
->data
.catch_class
= nesting_clause
->data
.catch_class
;
2831 nesting_ei
->clause_index
= nesting_cindex
;
2834 g_assert (nindex
== ei_len
+ nested_len
);
2840 alloc0_jit_info_data (MonoDomain
*domain
, int size
, gboolean async_context
)
2844 if (async_context
) {
2845 res
= mono_domain_alloc0_lock_free (domain
, size
);
2846 InterlockedExchangeAdd (&async_jit_info_size
, size
);
2848 res
= mono_domain_alloc0 (domain
, size
);
2854 * LOCKING: Acquires the domain lock.
2855 * In async context, this is async safe.
2858 decode_exception_debug_info (MonoAotModule
*amodule
, MonoDomain
*domain
,
2859 MonoMethod
*method
, guint8
* ex_info
,
2860 guint8
*code
, guint32 code_len
)
2863 int i
, buf_len
, num_clauses
, len
;
2865 MonoJitInfoFlags flags
= JIT_INFO_NONE
;
2866 guint unwind_info
, eflags
;
2867 gboolean has_generic_jit_info
, has_dwarf_unwind_info
, has_clauses
, has_seq_points
, has_try_block_holes
, has_arch_eh_jit_info
;
2868 gboolean from_llvm
, has_gc_map
;
2870 int try_holes_info_size
, num_holes
;
2871 int this_reg
= 0, this_offset
= 0;
2874 /* Load the method info from the AOT file */
2875 async
= mono_thread_info_is_async_context ();
2878 eflags
= decode_value (p
, &p
);
2879 has_generic_jit_info
= (eflags
& 1) != 0;
2880 has_dwarf_unwind_info
= (eflags
& 2) != 0;
2881 has_clauses
= (eflags
& 4) != 0;
2882 has_seq_points
= (eflags
& 8) != 0;
2883 from_llvm
= (eflags
& 16) != 0;
2884 has_try_block_holes
= (eflags
& 32) != 0;
2885 has_gc_map
= (eflags
& 64) != 0;
2886 has_arch_eh_jit_info
= (eflags
& 128) != 0;
2888 if (has_dwarf_unwind_info
) {
2889 unwind_info
= decode_value (p
, &p
);
2890 g_assert (unwind_info
< (1 << 30));
2892 unwind_info
= decode_value (p
, &p
);
2894 if (has_generic_jit_info
)
2895 flags
= (MonoJitInfoFlags
)(flags
| JIT_INFO_HAS_GENERIC_JIT_INFO
);
2897 if (has_try_block_holes
) {
2898 num_holes
= decode_value (p
, &p
);
2899 flags
= (MonoJitInfoFlags
)(flags
| JIT_INFO_HAS_TRY_BLOCK_HOLES
);
2900 try_holes_info_size
= sizeof (MonoTryBlockHoleTableJitInfo
) + num_holes
* sizeof (MonoTryBlockHoleJitInfo
);
2902 num_holes
= try_holes_info_size
= 0;
2905 if (has_arch_eh_jit_info
) {
2906 flags
= (MonoJitInfoFlags
)(flags
| JIT_INFO_HAS_ARCH_EH_INFO
);
2907 /* Overwrite the original code_len which includes alignment padding */
2908 code_len
= decode_value (p
, &p
);
2911 /* Exception table */
2913 num_clauses
= decode_value (p
, &p
);
2918 MonoJitExceptionInfo
*clauses
;
2925 * Part of the info is encoded by the AOT compiler, the rest is in the .eh_frame
2928 clauses
= g_new0 (MonoJitExceptionInfo
, num_clauses
);
2929 nesting
= g_new0 (GSList
*, num_clauses
);
2931 for (i
= 0; i
< num_clauses
; ++i
) {
2932 MonoJitExceptionInfo
*ei
= &clauses
[i
];
2934 ei
->flags
= decode_value (p
, &p
);
2936 if (decode_value (p
, &p
)) {
2937 ei
->data
.catch_class
= decode_klass_ref (amodule
, p
, &p
, &error
);
2938 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
2941 ei
->clause_index
= i
;
2943 ei
->try_offset
= decode_value (p
, &p
);
2944 ei
->try_len
= decode_value (p
, &p
);
2945 ei
->handler_offset
= decode_value (p
, &p
);
2946 ei
->handler_len
= decode_value (p
, &p
);
2948 /* Read the list of nesting clauses */
2950 int nesting_index
= decode_value (p
, &p
);
2951 if (nesting_index
== -1)
2953 nesting
[i
] = g_slist_prepend (nesting
[i
], GINT_TO_POINTER (nesting_index
));
2957 jinfo
= decode_llvm_mono_eh_frame (amodule
, domain
, method
, code
, code_len
, clauses
, num_clauses
, flags
, nesting
, &this_reg
, &this_offset
);
2960 for (i
= 0; i
< num_clauses
; ++i
)
2961 g_slist_free (nesting
[i
]);
2964 len
= mono_jit_info_size (flags
, num_clauses
, num_holes
);
2965 jinfo
= (MonoJitInfo
*)alloc0_jit_info_data (domain
, len
, async
);
2966 mono_jit_info_init (jinfo
, method
, code
, code_len
, flags
, num_clauses
, num_holes
);
2968 for (i
= 0; i
< jinfo
->num_clauses
; ++i
) {
2969 MonoJitExceptionInfo
*ei
= &jinfo
->clauses
[i
];
2971 ei
->flags
= decode_value (p
, &p
);
2973 #ifdef MONO_CONTEXT_SET_LLVM_EXC_REG
2974 /* Not used for catch clauses */
2975 if (ei
->flags
!= MONO_EXCEPTION_CLAUSE_NONE
)
2976 ei
->exvar_offset
= decode_value (p
, &p
);
2978 ei
->exvar_offset
= decode_value (p
, &p
);
2981 if (ei
->flags
== MONO_EXCEPTION_CLAUSE_FILTER
|| ei
->flags
== MONO_EXCEPTION_CLAUSE_FINALLY
)
2982 ei
->data
.filter
= code
+ decode_value (p
, &p
);
2984 int len
= decode_value (p
, &p
);
2990 ei
->data
.catch_class
= decode_klass_ref (amodule
, p
, &p
, &error
);
2991 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
2996 ei
->try_start
= code
+ decode_value (p
, &p
);
2997 ei
->try_end
= code
+ decode_value (p
, &p
);
2998 ei
->handler_start
= code
+ decode_value (p
, &p
);
3001 jinfo
->unwind_info
= unwind_info
;
3002 jinfo
->domain_neutral
= 0;
3003 jinfo
->from_aot
= 1;
3006 if (has_try_block_holes
) {
3007 MonoTryBlockHoleTableJitInfo
*table
;
3009 g_assert (jinfo
->has_try_block_holes
);
3011 table
= mono_jit_info_get_try_block_hole_table_info (jinfo
);
3014 table
->num_holes
= (guint16
)num_holes
;
3015 for (i
= 0; i
< num_holes
; ++i
) {
3016 MonoTryBlockHoleJitInfo
*hole
= &table
->holes
[i
];
3017 hole
->clause
= decode_value (p
, &p
);
3018 hole
->length
= decode_value (p
, &p
);
3019 hole
->offset
= decode_value (p
, &p
);
3023 if (has_arch_eh_jit_info
) {
3024 MonoArchEHJitInfo
*eh_info
;
3026 g_assert (jinfo
->has_arch_eh_info
);
3028 eh_info
= mono_jit_info_get_arch_eh_info (jinfo
);
3029 eh_info
->stack_size
= decode_value (p
, &p
);
3030 eh_info
->epilog_size
= decode_value (p
, &p
);
3034 /* The rest is not needed in async mode */
3035 jinfo
->async
= TRUE
;
3036 jinfo
->d
.aot_info
= amodule
;
3041 if (has_generic_jit_info
) {
3042 MonoGenericJitInfo
*gi
;
3045 g_assert (jinfo
->has_generic_jit_info
);
3047 gi
= mono_jit_info_get_generic_jit_info (jinfo
);
3050 gi
->nlocs
= decode_value (p
, &p
);
3052 gi
->locations
= (MonoDwarfLocListEntry
*)alloc0_jit_info_data (domain
, gi
->nlocs
* sizeof (MonoDwarfLocListEntry
), async
);
3053 for (i
= 0; i
< gi
->nlocs
; ++i
) {
3054 MonoDwarfLocListEntry
*entry
= &gi
->locations
[i
];
3056 entry
->is_reg
= decode_value (p
, &p
);
3057 entry
->reg
= decode_value (p
, &p
);
3059 entry
->offset
= decode_value (p
, &p
);
3061 entry
->from
= decode_value (p
, &p
);
3062 entry
->to
= decode_value (p
, &p
);
3067 gi
->has_this
= this_reg
!= -1;
3068 gi
->this_reg
= this_reg
;
3069 gi
->this_offset
= this_offset
;
3071 gi
->has_this
= decode_value (p
, &p
);
3072 gi
->this_reg
= decode_value (p
, &p
);
3073 gi
->this_offset
= decode_value (p
, &p
);
3077 len
= decode_value (p
, &p
);
3081 jinfo
->d
.method
= decode_resolve_method_ref (amodule
, p
, &p
, &error
);
3082 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3085 gi
->generic_sharing_context
= alloc0_jit_info_data (domain
, sizeof (MonoGenericSharingContext
), async
);
3086 if (decode_value (p
, &p
)) {
3088 MonoGenericSharingContext
*gsctx
= gi
->generic_sharing_context
;
3090 gsctx
->is_gsharedvt
= TRUE
;
3094 if (method
&& has_seq_points
) {
3095 MonoSeqPointInfo
*seq_points
;
3097 p
+= mono_seq_point_info_read (&seq_points
, p
, FALSE
);
3099 mono_domain_lock (domain
);
3100 /* This could be set already since this function can be called more than once for the same method */
3101 if (!g_hash_table_lookup (domain_jit_info (domain
)->seq_points
, method
))
3102 g_hash_table_insert (domain_jit_info (domain
)->seq_points
, method
, seq_points
);
3104 mono_seq_point_info_free (seq_points
);
3105 mono_domain_unlock (domain
);
3108 /* Load debug info */
3109 buf_len
= decode_value (p
, &p
);
3111 mono_debug_add_aot_method (domain
, method
, code
, p
, buf_len
);
3115 int map_size
= decode_value (p
, &p
);
3116 /* The GC map requires 4 bytes of alignment */
3117 while ((guint64
)(gsize
)p
% 4)
3123 if (amodule
!= jinfo
->d
.method
->klass
->image
->aot_module
) {
3126 ji_to_amodule
= g_hash_table_new (NULL
, NULL
);
3127 g_hash_table_insert (ji_to_amodule
, jinfo
, amodule
);
3135 amodule_contains_code_addr (MonoAotModule
*amodule
, guint8
*code
)
3137 return (code
>= amodule
->jit_code_start
&& code
<= amodule
->jit_code_end
) ||
3138 (code
>= amodule
->llvm_code_start
&& code
<= amodule
->llvm_code_end
);
3142 * mono_aot_get_unwind_info:
3144 * Return a pointer to the DWARF unwind info belonging to JI.
3147 mono_aot_get_unwind_info (MonoJitInfo
*ji
, guint32
*unwind_info_len
)
3149 MonoAotModule
*amodule
;
3151 guint8
*code
= (guint8
*)ji
->code_start
;
3154 amodule
= (MonoAotModule
*)ji
->d
.aot_info
;
3156 amodule
= (MonoAotModule
*)jinfo_get_method (ji
)->klass
->image
->aot_module
;
3158 g_assert (ji
->from_aot
);
3160 if (!amodule_contains_code_addr (amodule
, code
)) {
3161 /* ji belongs to a different aot module than amodule */
3163 g_assert (ji_to_amodule
);
3164 amodule
= (MonoAotModule
*)g_hash_table_lookup (ji_to_amodule
, ji
);
3166 g_assert (amodule_contains_code_addr (amodule
, code
));
3170 p
= amodule
->unwind_info
+ ji
->unwind_info
;
3171 *unwind_info_len
= decode_value (p
, &p
);
3176 msort_method_addresses_internal (gpointer
*array
, int *indexes
, int lo
, int hi
, gpointer
*scratch
, int *scratch_indexes
)
3178 int mid
= (lo
+ hi
) / 2;
3185 for (i
= lo
; i
< hi
; ++i
)
3186 if (array
[i
] > array
[i
+ 1])
3189 /* Already sorted */
3193 msort_method_addresses_internal (array
, indexes
, lo
, mid
, scratch
, scratch_indexes
);
3194 msort_method_addresses_internal (array
, indexes
, mid
+ 1, hi
, scratch
, scratch_indexes
);
3196 if (array
[mid
] < array
[mid
+ 1])
3202 for (i
= lo
; i
<= hi
; i
++) {
3203 if (t_lo
<= mid
&& ((t_hi
> hi
) || array
[t_lo
] < array
[t_hi
])) {
3204 scratch
[i
] = array
[t_lo
];
3205 scratch_indexes
[i
] = indexes
[t_lo
];
3208 scratch
[i
] = array
[t_hi
];
3209 scratch_indexes
[i
] = indexes
[t_hi
];
3213 for (i
= lo
; i
<= hi
; ++i
) {
3214 array
[i
] = scratch
[i
];
3215 indexes
[i
] = scratch_indexes
[i
];
3220 msort_method_addresses (gpointer
*array
, int *indexes
, int len
)
3223 int *scratch_indexes
;
3225 scratch
= g_new (gpointer
, len
);
3226 scratch_indexes
= g_new (int, len
);
3227 msort_method_addresses_internal (array
, indexes
, 0, len
- 1, scratch
, scratch_indexes
);
3229 g_free (scratch_indexes
);
3233 * mono_aot_find_jit_info:
3235 * In async context, the resulting MonoJitInfo will not have its method field set, and it will not be added
3236 * to the jit info tables.
3237 * FIXME: Large sizes in the lock free allocator
3240 mono_aot_find_jit_info (MonoDomain
*domain
, MonoImage
*image
, gpointer addr
)
3243 int pos
, left
, right
, code_len
;
3244 int method_index
, table_len
;
3246 MonoAotModule
*amodule
= (MonoAotModule
*)image
->aot_module
;
3247 MonoMethod
*method
= NULL
;
3249 guint8
*code
, *ex_info
, *p
;
3253 guint8
*code1
, *code2
;
3260 nmethods
= amodule
->info
.nmethods
;
3262 if (domain
!= mono_get_root_domain ())
3266 if (!amodule_contains_code_addr (amodule
, (guint8
*)addr
))
3269 async
= mono_thread_info_is_async_context ();
3271 /* Compute a sorted table mapping code to method indexes. */
3272 if (!amodule
->sorted_methods
) {
3274 gpointer
*methods
= g_new0 (gpointer
, nmethods
);
3275 int *method_indexes
= g_new0 (int, nmethods
);
3276 int methods_len
= 0;
3278 for (i
= 0; i
< nmethods
; ++i
) {
3279 /* Skip the -1 entries to speed up sorting */
3280 if (amodule
->methods
[i
] == GINT_TO_POINTER (-1))
3282 methods
[methods_len
] = amodule
->methods
[i
];
3283 method_indexes
[methods_len
] = i
;
3286 /* Use a merge sort as this is mostly sorted */
3287 msort_method_addresses (methods
, method_indexes
, methods_len
);
3288 for (i
= 0; i
< methods_len
-1; ++i
)
3289 g_assert (methods
[i
] <= methods
[i
+ 1]);
3290 amodule
->sorted_methods_len
= methods_len
;
3291 if (InterlockedCompareExchangePointer ((gpointer
*)&amodule
->sorted_methods
, methods
, NULL
) != NULL
)
3292 /* Somebody got in before us */
3294 if (InterlockedCompareExchangePointer ((gpointer
*)&amodule
->sorted_method_indexes
, method_indexes
, NULL
) != NULL
)
3295 /* Somebody got in before us */
3296 g_free (method_indexes
);
3299 /* Binary search in the sorted_methods table */
3300 methods
= amodule
->sorted_methods
;
3301 methods_len
= amodule
->sorted_methods_len
;
3302 code
= (guint8
*)addr
;
3304 right
= methods_len
;
3306 pos
= (left
+ right
) / 2;
3308 code1
= (guint8
*)methods
[pos
];
3309 if (pos
+ 1 == methods_len
) {
3310 if (code1
>= amodule
->jit_code_start
&& code1
< amodule
->jit_code_end
)
3311 code2
= amodule
->jit_code_end
;
3313 code2
= amodule
->llvm_code_end
;
3315 code2
= (guint8
*)methods
[pos
+ 1];
3320 else if (code
>= code2
)
3326 g_assert (addr
>= methods
[pos
]);
3327 if (pos
+ 1 < methods_len
)
3328 g_assert (addr
< methods
[pos
+ 1]);
3329 method_index
= amodule
->sorted_method_indexes
[pos
];
3331 /* In async mode, jinfo is not added to the normal jit info table, so have to cache it ourselves */
3333 JitInfoMap
*table
= amodule
->async_jit_info_table
;
3337 len
= table
[0].method_index
;
3338 for (i
= 1; i
< len
; ++i
) {
3339 if (table
[i
].method_index
== method_index
)
3340 return table
[i
].jinfo
;
3345 code
= (guint8
*)amodule
->methods
[method_index
];
3346 ex_info
= &amodule
->blob
[mono_aot_get_offset (amodule
->ex_info_offsets
, method_index
)];
3348 if (pos
== methods_len
- 1) {
3349 if (code
>= amodule
->jit_code_start
&& code
< amodule
->jit_code_end
)
3350 code_len
= amodule
->jit_code_end
- code
;
3352 code_len
= amodule
->llvm_code_end
- code
;
3354 code_len
= (guint8
*)methods
[pos
+ 1] - (guint8
*)methods
[pos
];
3357 g_assert ((guint8
*)code
<= (guint8
*)addr
&& (guint8
*)addr
< (guint8
*)code
+ code_len
);
3359 /* Might be a wrapper/extra method */
3361 if (amodule
->extra_methods
) {
3362 amodule_lock (amodule
);
3363 method
= (MonoMethod
*)g_hash_table_lookup (amodule
->extra_methods
, GUINT_TO_POINTER (method_index
));
3364 amodule_unlock (amodule
);
3370 if (method_index
>= image
->tables
[MONO_TABLE_METHOD
].rows
) {
3372 * This is hit for extra methods which are called directly, so they are
3373 * not in amodule->extra_methods.
3375 table_len
= amodule
->extra_method_info_offsets
[0];
3376 table
= amodule
->extra_method_info_offsets
+ 1;
3383 pos
= ((left
+ right
) / 2);
3385 g_assert (pos
< table_len
);
3387 if (table
[pos
* 2] < method_index
)
3389 else if (table
[pos
* 2] > method_index
)
3395 p
= amodule
->blob
+ table
[(pos
* 2) + 1];
3396 method
= decode_resolve_method_ref (amodule
, p
, &p
, &error
);
3397 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3399 /* Happens when a random address is passed in which matches a not-yey called wrapper encoded using its name */
3403 token
= mono_metadata_make_token (MONO_TABLE_METHOD
, method_index
+ 1);
3404 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, &error
);
3406 g_error ("AOT runtime could not load method due to %s", mono_error_get_message (&error
)); /* FIXME don't swallow the error */
3413 //printf ("F: %s\n", mono_method_full_name (method, TRUE));
3415 jinfo
= decode_exception_debug_info (amodule
, domain
, method
, ex_info
, code
, code_len
);
3417 g_assert ((guint8
*)addr
>= (guint8
*)jinfo
->code_start
);
3419 /* Add it to the normal JitInfo tables */
3421 JitInfoMap
*old_table
, *new_table
;
3425 * Use a simple inmutable table with linear search to cache async jit info entries.
3426 * This assumes that the number of entries is small.
3429 /* Copy the table, adding a new entry at the end */
3430 old_table
= amodule
->async_jit_info_table
;
3432 len
= old_table
[0].method_index
;
3435 new_table
= (JitInfoMap
*)alloc0_jit_info_data (domain
, (len
+ 1) * sizeof (JitInfoMap
), async
);
3437 memcpy (new_table
, old_table
, len
* sizeof (JitInfoMap
));
3438 new_table
[0].method_index
= len
+ 1;
3439 new_table
[len
].method_index
= method_index
;
3440 new_table
[len
].jinfo
= jinfo
;
3442 mono_memory_barrier ();
3443 if (InterlockedCompareExchangePointer ((volatile gpointer
*)&amodule
->async_jit_info_table
, new_table
, old_table
) == old_table
)
3447 mono_jit_info_table_add (domain
, jinfo
);
3450 if ((guint8
*)addr
>= (guint8
*)jinfo
->code_start
+ jinfo
->code_size
)
3451 /* addr is in the padding between methods, see the adjustment of code_size in decode_exception_debug_info () */
3458 decode_patch (MonoAotModule
*aot_module
, MonoMemPool
*mp
, MonoJumpInfo
*ji
, guint8
*buf
, guint8
**endbuf
)
3467 case MONO_PATCH_INFO_METHOD
:
3468 case MONO_PATCH_INFO_METHOD_JUMP
:
3469 case MONO_PATCH_INFO_ICALL_ADDR
:
3470 case MONO_PATCH_INFO_ICALL_ADDR_CALL
:
3471 case MONO_PATCH_INFO_METHOD_RGCTX
:
3472 case MONO_PATCH_INFO_METHOD_CODE_SLOT
: {
3476 res
= decode_method_ref (aot_module
, &ref
, p
, &p
, &error
);
3477 mono_error_assert_ok (&error
); /* FIXME don't swallow the error */
3481 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
)) {
3482 ji
->data
.target
= mono_create_ftnptr (mono_domain_get (), mono_create_jit_trampoline_from_token (ref
.image
, ref
.token
));
3483 ji
->type
= MONO_PATCH_INFO_ABS
;
3487 ji
->data
.method
= ref
.method
;
3490 ji
->data
.method
= mono_get_method_checked (ref
.image
, ref
.token
, NULL
, NULL
, &error
);
3491 if (!ji
->data
.method
)
3492 g_error ("AOT Runtime could not load method due to %s", mono_error_get_message (&error
)); /* FIXME don't swallow the error */
3494 g_assert (ji
->data
.method
);
3495 mono_class_init (ji
->data
.method
->klass
);
3499 case MONO_PATCH_INFO_INTERNAL_METHOD
:
3500 case MONO_PATCH_INFO_JIT_ICALL_ADDR
: {
3501 guint32 len
= decode_value (p
, &p
);
3503 ji
->data
.name
= (char*)p
;
3507 case MONO_PATCH_INFO_METHODCONST
:
3509 ji
->data
.method
= decode_resolve_method_ref (aot_module
, p
, &p
, &error
);
3510 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3511 if (!ji
->data
.method
)
3514 case MONO_PATCH_INFO_VTABLE
:
3515 case MONO_PATCH_INFO_CLASS
:
3516 case MONO_PATCH_INFO_IID
:
3517 case MONO_PATCH_INFO_ADJUSTED_IID
:
3519 ji
->data
.klass
= decode_klass_ref (aot_module
, p
, &p
, &error
);
3520 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3521 if (!ji
->data
.klass
)
3524 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE
:
3525 ji
->data
.del_tramp
= (MonoDelegateClassMethodPair
*)mono_mempool_alloc0 (mp
, sizeof (MonoDelegateClassMethodPair
));
3526 ji
->data
.del_tramp
->klass
= decode_klass_ref (aot_module
, p
, &p
, &error
);
3527 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3528 if (!ji
->data
.del_tramp
->klass
)
3530 if (decode_value (p
, &p
)) {
3531 ji
->data
.del_tramp
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, &error
);
3532 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3533 if (!ji
->data
.del_tramp
->method
)
3536 ji
->data
.del_tramp
->is_virtual
= decode_value (p
, &p
) ? TRUE
: FALSE
;
3538 case MONO_PATCH_INFO_IMAGE
:
3539 ji
->data
.image
= load_image (aot_module
, decode_value (p
, &p
), &error
);
3540 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3541 if (!ji
->data
.image
)
3544 case MONO_PATCH_INFO_FIELD
:
3545 case MONO_PATCH_INFO_SFLDA
:
3547 ji
->data
.field
= decode_field_info (aot_module
, p
, &p
);
3548 if (!ji
->data
.field
)
3551 case MONO_PATCH_INFO_SWITCH
:
3552 ji
->data
.table
= (MonoJumpInfoBBTable
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoBBTable
));
3553 ji
->data
.table
->table_size
= decode_value (p
, &p
);
3554 table
= (void **)mono_domain_alloc (mono_domain_get (), sizeof (gpointer
) * ji
->data
.table
->table_size
);
3555 ji
->data
.table
->table
= (MonoBasicBlock
**)table
;
3556 for (i
= 0; i
< ji
->data
.table
->table_size
; i
++)
3557 table
[i
] = (gpointer
)(gssize
)decode_value (p
, &p
);
3559 case MONO_PATCH_INFO_R4
: {
3562 ji
->data
.target
= mono_domain_alloc0 (mono_domain_get (), sizeof (float));
3563 val
= decode_value (p
, &p
);
3564 *(float*)ji
->data
.target
= *(float*)&val
;
3567 case MONO_PATCH_INFO_R8
: {
3571 ji
->data
.target
= mono_domain_alloc0 (mono_domain_get (), sizeof (double));
3573 val
[0] = decode_value (p
, &p
);
3574 val
[1] = decode_value (p
, &p
);
3575 v
= ((guint64
)val
[1] << 32) | ((guint64
)val
[0]);
3576 *(double*)ji
->data
.target
= *(double*)&v
;
3579 case MONO_PATCH_INFO_LDSTR
:
3580 image
= load_image (aot_module
, decode_value (p
, &p
), &error
);
3581 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3584 ji
->data
.token
= mono_jump_info_token_new (mp
, image
, MONO_TOKEN_STRING
+ decode_value (p
, &p
));
3586 case MONO_PATCH_INFO_RVA
:
3587 case MONO_PATCH_INFO_DECLSEC
:
3588 case MONO_PATCH_INFO_LDTOKEN
:
3589 case MONO_PATCH_INFO_TYPE_FROM_HANDLE
:
3591 image
= load_image (aot_module
, decode_value (p
, &p
), &error
);
3592 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3595 ji
->data
.token
= mono_jump_info_token_new (mp
, image
, decode_value (p
, &p
));
3597 ji
->data
.token
->has_context
= decode_value (p
, &p
);
3598 if (ji
->data
.token
->has_context
) {
3599 gboolean res
= decode_generic_context (aot_module
, &ji
->data
.token
->context
, p
, &p
, &error
);
3600 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3605 case MONO_PATCH_INFO_EXC_NAME
:
3606 ji
->data
.klass
= decode_klass_ref (aot_module
, p
, &p
, &error
);
3607 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3608 if (!ji
->data
.klass
)
3610 ji
->data
.name
= ji
->data
.klass
->name
;
3612 case MONO_PATCH_INFO_METHOD_REL
:
3613 ji
->data
.offset
= decode_value (p
, &p
);
3615 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG
:
3616 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR
:
3617 case MONO_PATCH_INFO_GC_NURSERY_START
:
3618 case MONO_PATCH_INFO_GC_NURSERY_BITS
:
3620 case MONO_PATCH_INFO_CASTCLASS_CACHE
:
3621 ji
->data
.index
= decode_value (p
, &p
);
3623 case MONO_PATCH_INFO_RGCTX_FETCH
:
3624 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX
: {
3626 MonoJumpInfoRgctxEntry
*entry
;
3627 guint32 offset
, val
;
3630 offset
= decode_value (p
, &p
);
3631 val
= decode_value (p
, &p
);
3633 entry
= (MonoJumpInfoRgctxEntry
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoRgctxEntry
));
3634 p2
= aot_module
->blob
+ offset
;
3635 entry
->method
= decode_resolve_method_ref (aot_module
, p2
, &p2
, &error
);
3636 entry
->in_mrgctx
= ((val
& 1) > 0) ? TRUE
: FALSE
;
3637 entry
->info_type
= (MonoRgctxInfoType
)((val
>> 1) & 0xff);
3638 entry
->data
= (MonoJumpInfo
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfo
));
3639 entry
->data
->type
= (MonoJumpInfoType
)((val
>> 9) & 0xff);
3640 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3642 res
= decode_patch (aot_module
, mp
, entry
->data
, p
, &p
);
3645 ji
->data
.rgctx_entry
= entry
;
3648 case MONO_PATCH_INFO_SEQ_POINT_INFO
:
3649 case MONO_PATCH_INFO_AOT_MODULE
:
3650 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR
:
3652 case MONO_PATCH_INFO_SIGNATURE
:
3653 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER
:
3654 ji
->data
.target
= decode_signature (aot_module
, p
, &p
);
3656 case MONO_PATCH_INFO_GSHAREDVT_CALL
: {
3657 MonoJumpInfoGSharedVtCall
*info
= (MonoJumpInfoGSharedVtCall
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoGSharedVtCall
));
3658 info
->sig
= decode_signature (aot_module
, p
, &p
);
3659 g_assert (info
->sig
);
3660 info
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, &error
);
3661 mono_error_assert_ok (&error
); /* FIXME don't swallow the error */
3663 ji
->data
.target
= info
;
3666 case MONO_PATCH_INFO_GSHAREDVT_METHOD
: {
3667 MonoGSharedVtMethodInfo
*info
= (MonoGSharedVtMethodInfo
*)mono_mempool_alloc0 (mp
, sizeof (MonoGSharedVtMethodInfo
));
3670 info
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, &error
);
3671 mono_error_assert_ok (&error
); /* FIXME don't swallow the error */
3673 info
->num_entries
= decode_value (p
, &p
);
3674 info
->count_entries
= info
->num_entries
;
3675 info
->entries
= (MonoRuntimeGenericContextInfoTemplate
*)mono_mempool_alloc0 (mp
, sizeof (MonoRuntimeGenericContextInfoTemplate
) * info
->num_entries
);
3676 for (i
= 0; i
< info
->num_entries
; ++i
) {
3677 MonoRuntimeGenericContextInfoTemplate
*template_
= &info
->entries
[i
];
3679 template_
->info_type
= (MonoRgctxInfoType
)decode_value (p
, &p
);
3680 switch (mini_rgctx_info_type_to_patch_info_type (template_
->info_type
)) {
3681 case MONO_PATCH_INFO_CLASS
: {
3682 MonoClass
*klass
= decode_klass_ref (aot_module
, p
, &p
, &error
);
3683 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3686 template_
->data
= &klass
->byval_arg
;
3689 case MONO_PATCH_INFO_FIELD
:
3690 template_
->data
= decode_field_info (aot_module
, p
, &p
);
3691 if (!template_
->data
)
3695 g_assert_not_reached ();
3699 ji
->data
.target
= info
;
3702 case MONO_PATCH_INFO_LDSTR_LIT
: {
3703 int len
= decode_value (p
, &p
);
3706 s
= (char *)mono_mempool_alloc0 (mp
, len
+ 1);
3707 memcpy (s
, p
, len
+ 1);
3710 ji
->data
.target
= s
;
3713 case MONO_PATCH_INFO_VIRT_METHOD
: {
3714 MonoJumpInfoVirtMethod
*info
= (MonoJumpInfoVirtMethod
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoVirtMethod
));
3716 info
->klass
= decode_klass_ref (aot_module
, p
, &p
, &error
);
3717 mono_error_assert_ok (&error
); /* FIXME don't swallow the error */
3719 info
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, &error
);
3720 mono_error_assert_ok (&error
); /* FIXME don't swallow the error */
3722 ji
->data
.target
= info
;
3725 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG
:
3726 case MONO_PATCH_INFO_JIT_THREAD_ATTACH
:
3728 case MONO_PATCH_INFO_GET_TLS_TRAMP
:
3729 case MONO_PATCH_INFO_SET_TLS_TRAMP
:
3730 case MONO_PATCH_INFO_AOT_JIT_INFO
:
3731 ji
->data
.index
= decode_value (p
, &p
);
3734 g_warning ("unhandled type %d", ji
->type
);
3735 g_assert_not_reached ();
3749 * Decode a list of patches identified by the got offsets in GOT_OFFSETS. Return an array of
3750 * MonoJumpInfo structures allocated from MP.
3752 static MonoJumpInfo
*
3753 decode_patches (MonoAotModule
*amodule
, MonoMemPool
*mp
, int n_patches
, gboolean llvm
, guint32
*got_offsets
)
3755 MonoJumpInfo
*patches
;
3758 guint32
*got_info_offsets
;
3763 got
= amodule
->llvm_got
;
3764 got_info_offsets
= (guint32
*)amodule
->llvm_got_info_offsets
;
3767 got_info_offsets
= (guint32
*)amodule
->got_info_offsets
;
3770 patches
= (MonoJumpInfo
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfo
) * n_patches
);
3771 for (i
= 0; i
< n_patches
; ++i
) {
3772 guint8
*p
= amodule
->blob
+ mono_aot_get_offset (got_info_offsets
, got_offsets
[i
]);
3775 ji
->type
= (MonoJumpInfoType
)decode_value (p
, &p
);
3777 /* See load_method () for SFLDA */
3778 if (got
&& got
[got_offsets
[i
]] && ji
->type
!= MONO_PATCH_INFO_SFLDA
) {
3779 /* Already loaded */
3781 res
= decode_patch (amodule
, mp
, ji
, p
, &p
);
3790 static MonoJumpInfo
*
3791 load_patch_info (MonoAotModule
*amodule
, MonoMemPool
*mp
, int n_patches
,
3792 gboolean llvm
, guint32
**got_slots
,
3793 guint8
*buf
, guint8
**endbuf
)
3795 MonoJumpInfo
*patches
;
3801 *got_slots
= (guint32
*)g_malloc (sizeof (guint32
) * n_patches
);
3802 for (pindex
= 0; pindex
< n_patches
; ++pindex
) {
3803 (*got_slots
)[pindex
] = decode_value (p
, &p
);
3806 patches
= decode_patches (amodule
, mp
, n_patches
, llvm
, *got_slots
);
3808 g_free (*got_slots
);
3818 register_jump_target_got_slot (MonoDomain
*domain
, MonoMethod
*method
, gpointer
*got_slot
)
3821 * Jump addresses cannot be patched by the trampoline code since it
3822 * does not have access to the caller's address. Instead, we collect
3823 * the addresses of the GOT slots pointing to a method, and patch
3824 * them after the method has been compiled.
3826 MonoJitDomainInfo
*info
= domain_jit_info (domain
);
3829 mono_domain_lock (domain
);
3830 if (!info
->jump_target_got_slot_hash
)
3831 info
->jump_target_got_slot_hash
= g_hash_table_new (NULL
, NULL
);
3832 list
= (GSList
*)g_hash_table_lookup (info
->jump_target_got_slot_hash
, method
);
3833 list
= g_slist_prepend (list
, got_slot
);
3834 g_hash_table_insert (info
->jump_target_got_slot_hash
, method
, list
);
3835 mono_domain_unlock (domain
);
3841 * Load the method identified by METHOD_INDEX from the AOT image. Return a
3842 * pointer to the native code of the method, or NULL if not found.
3843 * METHOD might not be set if the caller only has the image/token info.
3846 load_method (MonoDomain
*domain
, MonoAotModule
*amodule
, MonoImage
*image
, MonoMethod
*method
, guint32 token
, int method_index
,
3849 MonoJitInfo
*jinfo
= NULL
;
3850 guint8
*code
= NULL
, *info
;
3853 mono_error_init (error
);
3855 init_amodule_got (amodule
);
3857 if (mono_profiler_get_events () & MONO_PROFILE_ENTER_LEAVE
) {
3859 /* The caller cannot handle this */
3860 g_assert_not_reached ();
3864 if (domain
!= mono_get_root_domain ())
3865 /* Non shared AOT code can't be used in other appdomains */
3868 if (amodule
->out_of_date
)
3871 if (amodule
->info
.llvm_get_method
) {
3873 * Obtain the method address by calling a generated function in the LLVM module.
3875 gpointer (*get_method
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_method
;
3876 code
= (guint8
*)get_method (method_index
);
3881 if (amodule
->methods
[method_index
] == GINT_TO_POINTER (-1)) {
3882 if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
)) {
3886 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
3890 full_name
= mono_method_full_name (method
, TRUE
);
3891 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT: NOT FOUND: %s.", full_name
);
3896 code
= (guint8
*)amodule
->methods
[method_index
];
3899 info
= &amodule
->blob
[mono_aot_get_offset (amodule
->method_info_offsets
, method_index
)];
3901 if (!amodule
->methods_loaded
) {
3902 amodule_lock (amodule
);
3903 if (!amodule
->methods_loaded
) {
3906 loaded
= g_new0 (guint32
, amodule
->info
.nmethods
/ 32 + 1);
3907 mono_memory_barrier ();
3908 amodule
->methods_loaded
= loaded
;
3910 amodule_unlock (amodule
);
3913 if ((amodule
->methods_loaded
[method_index
/ 32] >> (method_index
% 32)) & 0x1)
3916 if (mono_last_aot_method
!= -1) {
3917 if (mono_jit_stats
.methods_aot
>= mono_last_aot_method
)
3919 else if (mono_jit_stats
.methods_aot
== mono_last_aot_method
- 1) {
3921 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
3926 char *name
= mono_method_full_name (method
, TRUE
);
3927 g_print ("LAST AOT METHOD: %s.\n", name
);
3930 g_print ("LAST AOT METHOD: %p %d\n", code
, method_index
);
3935 if (!(is_llvm_code (amodule
, code
) && (amodule
->info
.flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) ||
3936 (mono_llvm_only
&& method
&& method
->wrapper_type
== MONO_WRAPPER_NATIVE_TO_MANAGED
)) {
3937 res
= init_method (amodule
, method_index
, method
, NULL
, NULL
, error
);
3942 if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
)) {
3946 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
3951 full_name
= mono_method_full_name (method
, TRUE
);
3954 jinfo
= mono_aot_find_jit_info (domain
, amodule
->assembly
->image
, code
);
3956 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT: FOUND method %s [%p - %p %p]", full_name
, code
, code
+ jinfo
->code_size
, info
);
3960 amodule_lock (amodule
);
3962 InterlockedIncrement (&mono_jit_stats
.methods_aot
);
3964 amodule
->methods_loaded
[method_index
/ 32] |= 1 << (method_index
% 32);
3968 if (method
&& method
->wrapper_type
)
3969 g_hash_table_insert (amodule
->method_to_code
, method
, code
);
3971 amodule_unlock (amodule
);
3973 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION
) {
3977 method
= mono_get_method_checked (amodule
->assembly
->image
, token
, NULL
, NULL
, error
);
3981 mono_profiler_method_jit (method
);
3982 jinfo
= mono_jit_info_table_find (domain
, (char*)code
);
3984 mono_profiler_method_end_jit (method
, jinfo
, MONO_PROFILE_OK
);
3997 find_aot_method_in_amodule (MonoAotModule
*amodule
, MonoMethod
*method
, guint32 hash_full
)
4000 guint32 table_size
, entry_size
, hash
;
4001 guint32
*table
, *entry
;
4003 static guint32 n_extra_decodes
;
4005 if (!amodule
|| amodule
->out_of_date
)
4008 table_size
= amodule
->extra_method_table
[0];
4009 hash
= hash_full
% table_size
;
4010 table
= amodule
->extra_method_table
+ 1;
4013 entry
= &table
[hash
* entry_size
];
4020 guint32 key
= entry
[0];
4021 guint32 value
= entry
[1];
4022 guint32 next
= entry
[entry_size
- 1];
4026 p
= amodule
->blob
+ key
;
4029 amodule_lock (amodule
);
4030 if (!amodule
->method_ref_to_method
)
4031 amodule
->method_ref_to_method
= g_hash_table_new (NULL
, NULL
);
4032 m
= (MonoMethod
*)g_hash_table_lookup (amodule
->method_ref_to_method
, p
);
4033 amodule_unlock (amodule
);
4035 m
= decode_resolve_method_ref_with_target (amodule
, method
, p
, &p
, &error
);
4036 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
4038 * Can't catche runtime invoke wrappers since it would break
4039 * the check in decode_method_ref_with_target ().
4041 if (m
&& m
->wrapper_type
!= MONO_WRAPPER_RUNTIME_INVOKE
) {
4042 amodule_lock (amodule
);
4043 g_hash_table_insert (amodule
->method_ref_to_method
, orig_p
, m
);
4044 amodule_unlock (amodule
);
4052 /* Methods decoded needlessly */
4054 //printf ("%d %s %s %p\n", n_extra_decodes, mono_method_full_name (method, TRUE), mono_method_full_name (m, TRUE), orig_p);
4059 entry
= &table
[next
* entry_size
];
4068 add_module_cb (gpointer key
, gpointer value
, gpointer user_data
)
4070 g_ptr_array_add ((GPtrArray
*)user_data
, value
);
4076 * Try finding METHOD in the extra_method table in all AOT images.
4077 * Return its method index, or 0xffffff if not found. Set OUT_AMODULE to the AOT
4078 * module where the method was found.
4081 find_aot_method (MonoMethod
*method
, MonoAotModule
**out_amodule
)
4086 guint32 hash
= mono_aot_method_hash (method
);
4088 /* Try the method's module first */
4089 *out_amodule
= (MonoAotModule
*)method
->klass
->image
->aot_module
;
4090 index
= find_aot_method_in_amodule ((MonoAotModule
*)method
->klass
->image
->aot_module
, method
, hash
);
4091 if (index
!= 0xffffff)
4095 * Try all other modules.
4096 * This is needed because generic instances klass->image points to the image
4097 * containing the generic definition, but the native code is generated to the
4098 * AOT image which contains the reference.
4101 /* Make a copy to avoid doing the search inside the aot lock */
4102 modules
= g_ptr_array_new ();
4104 g_hash_table_foreach (aot_modules
, add_module_cb
, modules
);
4108 for (i
= 0; i
< modules
->len
; ++i
) {
4109 MonoAotModule
*amodule
= (MonoAotModule
*)g_ptr_array_index (modules
, i
);
4111 if (amodule
!= method
->klass
->image
->aot_module
)
4112 index
= find_aot_method_in_amodule (amodule
, method
, hash
);
4113 if (index
!= 0xffffff) {
4114 *out_amodule
= amodule
;
4119 g_ptr_array_free (modules
, TRUE
);
4125 mono_aot_find_method_index (MonoMethod
*method
)
4127 MonoAotModule
*out_amodule
;
4128 return find_aot_method (method
, &out_amodule
);
4132 init_method (MonoAotModule
*amodule
, guint32 method_index
, MonoMethod
*method
, MonoClass
*init_class
, MonoGenericContext
*context
, MonoError
*error
)
4134 MonoDomain
*domain
= mono_domain_get ();
4136 MonoClass
*klass_to_run_ctor
= NULL
;
4137 gboolean from_plt
= method
== NULL
;
4138 int pindex
, n_patches
;
4140 MonoJitInfo
*jinfo
= NULL
;
4141 guint8
*code
, *info
;
4143 mono_error_init (error
);
4145 code
= (guint8
*)amodule
->methods
[method_index
];
4146 info
= &amodule
->blob
[mono_aot_get_offset (amodule
->method_info_offsets
, method_index
)];
4150 //does the method's class has a cctor?
4151 if (decode_value (p
, &p
) == 1)
4152 klass_to_run_ctor
= decode_klass_ref (amodule
, p
, &p
, error
);
4156 //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
4158 klass_to_run_ctor
= method
->klass
;
4160 n_patches
= decode_value (p
, &p
);
4163 MonoJumpInfo
*patches
;
4168 mp
= mono_mempool_new ();
4170 if ((gpointer
)code
>= amodule
->info
.jit_code_start
&& (gpointer
)code
<= amodule
->info
.jit_code_end
) {
4175 got
= amodule
->llvm_got
;
4179 patches
= load_patch_info (amodule
, mp
, n_patches
, llvm
, &got_slots
, p
, &p
);
4180 if (patches
== NULL
) {
4181 mono_mempool_destroy (mp
);
4185 for (pindex
= 0; pindex
< n_patches
; ++pindex
) {
4186 MonoJumpInfo
*ji
= &patches
[pindex
];
4190 * For SFLDA, we need to call resolve_patch_target () since the GOT slot could have
4191 * been initialized by load_method () for a static cctor before the cctor has
4192 * finished executing (#23242).
4194 if (!got
[got_slots
[pindex
]] || ji
->type
== MONO_PATCH_INFO_SFLDA
) {
4195 /* In llvm-only made, we might encounter shared methods */
4196 if (mono_llvm_only
&& ji
->type
== MONO_PATCH_INFO_METHOD
&& mono_method_check_context_used (ji
->data
.method
)) {
4198 ji
->data
.method
= mono_class_inflate_generic_method_checked (ji
->data
.method
, context
, error
);
4199 if (!mono_error_ok (error
)) {
4201 mono_mempool_destroy (mp
);
4205 /* This cannot be resolved in mono_resolve_patch_target () */
4206 if (ji
->type
== MONO_PATCH_INFO_AOT_JIT_INFO
) {
4207 // FIXME: Lookup using the index
4208 jinfo
= mono_aot_find_jit_info (domain
, amodule
->assembly
->image
, code
);
4209 ji
->type
= MONO_PATCH_INFO_ABS
;
4210 ji
->data
.target
= jinfo
;
4212 addr
= mono_resolve_patch_target (method
, domain
, code
, ji
, TRUE
, error
);
4213 if (!mono_error_ok (error
)) {
4215 mono_mempool_destroy (mp
);
4218 if (ji
->type
== MONO_PATCH_INFO_METHOD_JUMP
)
4219 addr
= mono_create_ftnptr (domain
, addr
);
4220 mono_memory_barrier ();
4221 got
[got_slots
[pindex
]] = addr
;
4222 if (ji
->type
== MONO_PATCH_INFO_METHOD_JUMP
)
4223 register_jump_target_got_slot (domain
, ji
->data
.method
, &(got
[got_slots
[pindex
]]));
4225 ji
->type
= MONO_PATCH_INFO_NONE
;
4230 mono_mempool_destroy (mp
);
4233 if (mini_get_debug_options ()->load_aot_jit_info_eagerly
)
4234 jinfo
= mono_aot_find_jit_info (domain
, amodule
->assembly
->image
, code
);
4236 gboolean inited_ok
= TRUE
;
4238 inited_ok
= mono_runtime_class_init_full (mono_class_vtable (domain
, init_class
), error
);
4239 else if (from_plt
&& klass_to_run_ctor
&& !mono_class_is_gtd (klass_to_run_ctor
))
4240 inited_ok
= mono_runtime_class_init_full (mono_class_vtable (domain
, klass_to_run_ctor
), error
);
4254 init_llvmonly_method (MonoAotModule
*amodule
, guint32 method_index
, MonoMethod
*method
, MonoClass
*init_class
, MonoGenericContext
*context
)
4259 res
= init_method (amodule
, method_index
, method
, init_class
, context
, &error
);
4260 if (!is_ok (&error
)) {
4261 MonoException
*ex
= mono_error_convert_to_exception (&error
);
4262 /* Its okay to raise in llvmonly mode */
4264 mono_llvm_throw_exception ((MonoObject
*)ex
);
4269 mono_aot_init_llvm_method (gpointer aot_module
, guint32 method_index
)
4271 MonoAotModule
*amodule
= (MonoAotModule
*)aot_module
;
4273 init_llvmonly_method (amodule
, method_index
, NULL
, NULL
, NULL
);
4277 mono_aot_init_gshared_method_this (gpointer aot_module
, guint32 method_index
, MonoObject
*this_obj
)
4279 MonoAotModule
*amodule
= (MonoAotModule
*)aot_module
;
4281 MonoGenericContext
*context
;
4285 g_assert (this_obj
);
4286 klass
= this_obj
->vtable
->klass
;
4288 amodule_lock (amodule
);
4289 method
= (MonoMethod
*)g_hash_table_lookup (amodule
->extra_methods
, GUINT_TO_POINTER (method_index
));
4290 amodule_unlock (amodule
);
4293 context
= mono_method_get_context (method
);
4296 init_llvmonly_method (amodule
, method_index
, NULL
, klass
, context
);
4300 mono_aot_init_gshared_method_mrgctx (gpointer aot_module
, guint32 method_index
, MonoMethodRuntimeGenericContext
*rgctx
)
4302 MonoAotModule
*amodule
= (MonoAotModule
*)aot_module
;
4303 MonoGenericContext context
= { NULL
, NULL
};
4304 MonoClass
*klass
= rgctx
->class_vtable
->klass
;
4306 if (mono_class_is_ginst (klass
))
4307 context
.class_inst
= mono_class_get_generic_class (klass
)->context
.class_inst
;
4308 else if (mono_class_is_gtd (klass
))
4309 context
.class_inst
= mono_class_get_generic_container (klass
)->context
.class_inst
;
4310 context
.method_inst
= rgctx
->method_inst
;
4312 init_llvmonly_method (amodule
, method_index
, NULL
, rgctx
->class_vtable
->klass
, &context
);
4316 mono_aot_init_gshared_method_vtable (gpointer aot_module
, guint32 method_index
, MonoVTable
*vtable
)
4318 MonoAotModule
*amodule
= (MonoAotModule
*)aot_module
;
4320 MonoGenericContext
*context
;
4323 klass
= vtable
->klass
;
4325 amodule_lock (amodule
);
4326 method
= (MonoMethod
*)g_hash_table_lookup (amodule
->extra_methods
, GUINT_TO_POINTER (method_index
));
4327 amodule_unlock (amodule
);
4330 context
= mono_method_get_context (method
);
4333 init_llvmonly_method (amodule
, method_index
, NULL
, klass
, context
);
4337 * mono_aot_get_method_checked:
4339 * Return a pointer to the AOTed native code for METHOD if it can be found,
4341 * On platforms with function pointers, this doesn't return a function pointer.
4344 mono_aot_get_method_checked (MonoDomain
*domain
, MonoMethod
*method
, MonoError
*error
)
4346 MonoClass
*klass
= method
->klass
;
4347 MonoMethod
*orig_method
= method
;
4348 guint32 method_index
;
4349 MonoAotModule
*amodule
= (MonoAotModule
*)klass
->image
->aot_module
;
4351 gboolean cache_result
= FALSE
;
4352 MonoError inner_error
;
4354 mono_error_init (error
);
4356 if (domain
!= mono_get_root_domain ())
4357 /* Non shared AOT code can't be used in other appdomains */
4360 if (enable_aot_cache
&& !amodule
&& domain
->entry_assembly
&& klass
->image
== mono_defaults
.corlib
) {
4361 /* This cannot be AOTed during startup, so do it now */
4362 if (!mscorlib_aot_loaded
) {
4363 mscorlib_aot_loaded
= TRUE
;
4364 load_aot_module (klass
->image
->assembly
, NULL
);
4365 amodule
= (MonoAotModule
*)klass
->image
->aot_module
;
4372 if (amodule
->out_of_date
)
4375 if ((method
->iflags
& METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL
) ||
4376 (method
->flags
& METHOD_ATTRIBUTE_PINVOKE_IMPL
) ||
4377 (method
->iflags
& METHOD_IMPL_ATTRIBUTE_RUNTIME
) ||
4378 (method
->flags
& METHOD_ATTRIBUTE_ABSTRACT
))
4382 * Use the original method instead of its invoke-with-check wrapper.
4383 * This is not a problem when using full-aot, since it doesn't support
4386 if (mono_aot_only
&& method
->wrapper_type
== MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK
)
4387 return mono_aot_get_method_checked (domain
, mono_marshal_method_from_wrapper (method
), error
);
4389 g_assert (klass
->inited
);
4391 /* Find method index */
4392 method_index
= 0xffffff;
4393 if (method
->is_inflated
&& !method
->wrapper_type
&& mono_method_is_generic_sharable_full (method
, TRUE
, FALSE
, FALSE
)) {
4394 MonoMethod
*orig_method
= method
;
4396 * For generic methods, we store the fully shared instance in place of the
4399 method
= mono_method_get_declaring_generic_method (method
);
4400 method_index
= mono_metadata_token_index (method
->token
) - 1;
4402 if (mono_llvm_only
) {
4403 /* Needed by mono_aot_init_gshared_method_this () */
4404 /* orig_method is a random instance but it is enough to make init_method () work */
4405 amodule_lock (amodule
);
4406 g_hash_table_insert (amodule
->extra_methods
, GUINT_TO_POINTER (method_index
), orig_method
);
4407 amodule_unlock (amodule
);
4409 } else if (method
->is_inflated
|| !method
->token
) {
4410 /* This hash table is used to avoid the slower search in the extra_method_table in the AOT image */
4411 amodule_lock (amodule
);
4412 code
= (guint8
*)g_hash_table_lookup (amodule
->method_to_code
, method
);
4413 amodule_unlock (amodule
);
4417 cache_result
= TRUE
;
4418 method_index
= find_aot_method (method
, &amodule
);
4420 * Special case the ICollection<T> wrappers for arrays, as they cannot
4421 * be statically enumerated, and each wrapper ends up calling the same
4424 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_MANAGED
&& method
->klass
->rank
&& strstr (method
->name
, "System.Collections.Generic")) {
4425 MonoMethod
*m
= mono_aot_get_array_helper_from_wrapper (method
);
4427 code
= (guint8
*)mono_aot_get_method_checked (domain
, m
, &inner_error
);
4428 mono_error_cleanup (&inner_error
);
4434 * Special case Array.GetGenericValueImpl which is a generic icall.
4435 * Generic sharing currently can't handle it, but the icall returns data using
4436 * an out parameter, so the managed-to-native wrappers can share the same code.
4438 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_NATIVE
&& method
->klass
== mono_defaults
.array_class
&& !strcmp (method
->name
, "GetGenericValueImpl")) {
4440 MonoGenericContext ctx
;
4441 MonoType
*args
[16];
4443 if (mono_method_signature (method
)->params
[1]->type
== MONO_TYPE_OBJECT
)
4444 /* Avoid recursion */
4447 m
= mono_class_get_method_from_name (mono_defaults
.array_class
, "GetGenericValueImpl", 2);
4450 memset (&ctx
, 0, sizeof (ctx
));
4451 args
[0] = &mono_defaults
.object_class
->byval_arg
;
4452 ctx
.method_inst
= mono_metadata_get_generic_inst (1, args
);
4454 m
= mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m
, &ctx
, error
), TRUE
, TRUE
);
4456 g_error ("AOT runtime could not load method due to %s", mono_error_get_message (error
)); /* FIXME don't swallow the error */
4459 * Get the code for the <object> instantiation which should be emitted into
4460 * the mscorlib aot image by the AOT compiler.
4462 code
= (guint8
*)mono_aot_get_method_checked (domain
, m
, &inner_error
);
4463 mono_error_cleanup (&inner_error
);
4468 /* Same for CompareExchange<T> and Exchange<T> */
4469 /* Same for Volatile.Read<T>/Write<T> */
4470 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_NATIVE
&& method
->klass
->image
== mono_defaults
.corlib
&&
4471 ((!strcmp (method
->klass
->name_space
, "System.Threading") && !strcmp (method
->klass
->name
, "Interlocked") && (!strcmp (method
->name
, "CompareExchange") || !strcmp (method
->name
, "Exchange")) && MONO_TYPE_IS_REFERENCE (mini_type_get_underlying_type (mono_method_signature (method
)->params
[1]))) ||
4472 (!strcmp (method
->klass
->name_space
, "System.Threading") && !strcmp (method
->klass
->name
, "Volatile") && (!strcmp (method
->name
, "Read") && MONO_TYPE_IS_REFERENCE (mini_type_get_underlying_type (mono_method_signature (method
)->ret
)))) ||
4473 (!strcmp (method
->klass
->name_space
, "System.Threading") && !strcmp (method
->klass
->name
, "Volatile") && (!strcmp (method
->name
, "Write") && MONO_TYPE_IS_REFERENCE (mini_type_get_underlying_type (mono_method_signature (method
)->params
[1])))))) {
4475 MonoGenericContext ctx
;
4476 MonoType
*args
[16];
4477 gpointer iter
= NULL
;
4479 while ((m
= mono_class_get_methods (method
->klass
, &iter
))) {
4480 if (mono_method_signature (m
)->generic_param_count
&& !strcmp (m
->name
, method
->name
))
4485 memset (&ctx
, 0, sizeof (ctx
));
4486 args
[0] = &mono_defaults
.object_class
->byval_arg
;
4487 ctx
.method_inst
= mono_metadata_get_generic_inst (1, args
);
4489 m
= mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m
, &ctx
, error
), TRUE
, TRUE
);
4491 g_error ("AOT runtime could not load method due to %s", mono_error_get_message (error
)); /* FIXME don't swallow the error */
4493 /* Avoid recursion */
4498 * Get the code for the <object> instantiation which should be emitted into
4499 * the mscorlib aot image by the AOT compiler.
4501 code
= (guint8
*)mono_aot_get_method_checked (domain
, m
, &inner_error
);
4502 mono_error_cleanup (&inner_error
);
4507 /* For ARRAY_ACCESSOR wrappers with reference types, use the <object> instantiation saved in corlib */
4508 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_UNKNOWN
) {
4509 WrapperInfo
*info
= mono_marshal_get_wrapper_info (method
);
4511 if (info
->subtype
== WRAPPER_SUBTYPE_ARRAY_ACCESSOR
) {
4512 MonoMethod
*array_method
= info
->d
.array_accessor
.method
;
4513 if (MONO_TYPE_IS_REFERENCE (&array_method
->klass
->element_class
->byval_arg
)) {
4516 if (!strcmp (array_method
->name
, "Set"))
4517 rank
= mono_method_signature (array_method
)->param_count
- 1;
4518 else if (!strcmp (array_method
->name
, "Get") || !strcmp (array_method
->name
, "Address"))
4519 rank
= mono_method_signature (array_method
)->param_count
;
4521 g_assert_not_reached ();
4522 MonoClass
*obj_array_class
= mono_array_class_get (mono_defaults
.object_class
, rank
);
4523 MonoMethod
*m
= mono_class_get_method_from_name (obj_array_class
, array_method
->name
, mono_method_signature (array_method
)->param_count
);
4526 m
= mono_marshal_get_array_accessor_wrapper (m
);
4528 code
= (guint8
*)mono_aot_get_method_checked (domain
, m
, &inner_error
);
4529 mono_error_cleanup (&inner_error
);
4537 if (method_index
== 0xffffff && method
->is_inflated
&& mono_method_is_generic_sharable_full (method
, FALSE
, TRUE
, FALSE
)) {
4538 /* Partial sharing */
4541 shared
= mini_get_shared_method (method
);
4542 method_index
= find_aot_method (shared
, &amodule
);
4543 if (method_index
!= 0xffffff)
4547 if (method_index
== 0xffffff && method
->is_inflated
&& mono_method_is_generic_sharable_full (method
, FALSE
, FALSE
, TRUE
)) {
4550 /* Use the all-vt shared method since this is what was AOTed */
4551 shared
= mini_get_shared_method_full (method
, TRUE
, TRUE
);
4552 method_index
= find_aot_method (shared
, &amodule
);
4553 if (method_index
!= 0xffffff)
4554 method
= mini_get_shared_method_full (method
, TRUE
, FALSE
);
4557 if (method_index
== 0xffffff) {
4558 if (mono_aot_only
&& mono_trace_is_traced (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
)) {
4561 full_name
= mono_method_full_name (method
, TRUE
);
4562 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT NOT FOUND: %s.", full_name
);
4568 if (method_index
== 0xffffff)
4571 /* Needed by find_jit_info */
4572 amodule_lock (amodule
);
4573 g_hash_table_insert (amodule
->extra_methods
, GUINT_TO_POINTER (method_index
), method
);
4574 amodule_unlock (amodule
);
4577 method_index
= mono_metadata_token_index (method
->token
) - 1;
4580 code
= (guint8
*)load_method (domain
, amodule
, klass
->image
, method
, method
->token
, method_index
, error
);
4583 if (code
&& cache_result
) {
4584 amodule_lock (amodule
);
4585 g_hash_table_insert (amodule
->method_to_code
, orig_method
, code
);
4586 amodule_unlock (amodule
);
4592 * mono_aot_get_method:
4594 * Return a pointer to the AOTed native code for METHOD if it can be found,
4596 * On platforms with function pointers, this doesn't return a function pointer.
4599 mono_aot_get_method (MonoDomain
*domain
, MonoMethod
*method
)
4603 gpointer res
= mono_aot_get_method_checked (domain
, method
, &error
);
4604 /* This is external only, so its ok to raise here */
4605 mono_error_raise_exception (&error
); /* OK to throw, external only without a good alternative */
4610 * Same as mono_aot_get_method, but we try to avoid loading any metadata from the
4614 mono_aot_get_method_from_token (MonoDomain
*domain
, MonoImage
*image
, guint32 token
, MonoError
*error
)
4616 MonoAotModule
*aot_module
= (MonoAotModule
*)image
->aot_module
;
4620 mono_error_init (error
);
4625 method_index
= mono_metadata_token_index (token
) - 1;
4627 res
= load_method (domain
, aot_module
, image
, NULL
, token
, method_index
, error
);
4634 } IsGotEntryUserData
;
4637 check_is_got_entry (gpointer key
, gpointer value
, gpointer user_data
)
4639 IsGotEntryUserData
*data
= (IsGotEntryUserData
*)user_data
;
4640 MonoAotModule
*aot_module
= (MonoAotModule
*)value
;
4642 if (aot_module
->got
&& (data
->addr
>= (guint8
*)(aot_module
->got
)) && (data
->addr
< (guint8
*)(aot_module
->got
+ aot_module
->info
.got_size
)))
4647 mono_aot_is_got_entry (guint8
*code
, guint8
*addr
)
4649 IsGotEntryUserData user_data
;
4654 user_data
.addr
= addr
;
4655 user_data
.res
= FALSE
;
4657 g_hash_table_foreach (aot_modules
, check_is_got_entry
, &user_data
);
4660 return user_data
.res
;
4665 MonoAotModule
*module
;
4666 } FindAotModuleUserData
;
4669 find_aot_module_cb (gpointer key
, gpointer value
, gpointer user_data
)
4671 FindAotModuleUserData
*data
= (FindAotModuleUserData
*)user_data
;
4672 MonoAotModule
*aot_module
= (MonoAotModule
*)value
;
4674 if (amodule_contains_code_addr (aot_module
, data
->addr
))
4675 data
->module
= aot_module
;
4678 static inline MonoAotModule
*
4679 find_aot_module (guint8
*code
)
4681 FindAotModuleUserData user_data
;
4686 /* Reading these need no locking */
4687 if (((gsize
)code
< aot_code_low_addr
) || ((gsize
)code
> aot_code_high_addr
))
4690 user_data
.addr
= code
;
4691 user_data
.module
= NULL
;
4694 g_hash_table_foreach (aot_modules
, find_aot_module_cb
, &user_data
);
4697 return user_data
.module
;
4701 mono_aot_patch_plt_entry (guint8
*code
, guint8
*plt_entry
, gpointer
*got
, mgreg_t
*regs
, guint8
*addr
)
4703 MonoAotModule
*amodule
;
4706 * Since AOT code is only used in the root domain,
4707 * mono_domain_get () != mono_get_root_domain () means the calling method
4708 * is AppDomain:InvokeInDomain, so this is the same check as in
4709 * mono_method_same_domain () but without loading the metadata for the method.
4711 if (mono_domain_get () == mono_get_root_domain ()) {
4713 amodule
= find_aot_module (code
);
4717 mono_arch_patch_plt_entry (plt_entry
, got
, regs
, addr
);
4722 * mono_aot_plt_resolve:
4724 * This function is called by the entries in the PLT to resolve the actual method that
4725 * needs to be called. It returns a trampoline to the method and patches the PLT entry.
4726 * Returns NULL if the something cannot be loaded.
4729 mono_aot_plt_resolve (gpointer aot_module
, guint32 plt_info_offset
, guint8
*code
, MonoError
*error
)
4731 #ifdef MONO_ARCH_AOT_SUPPORTED
4732 guint8
*p
, *target
, *plt_entry
;
4734 MonoAotModule
*module
= (MonoAotModule
*)aot_module
;
4735 gboolean res
, no_ftnptr
= FALSE
;
4737 gboolean using_gsharedvt
= FALSE
;
4739 mono_error_init (error
);
4741 //printf ("DYN: %p %d\n", aot_module, plt_info_offset);
4743 p
= &module
->blob
[plt_info_offset
];
4745 ji
.type
= (MonoJumpInfoType
)decode_value (p
, &p
);
4747 mp
= mono_mempool_new ();
4748 res
= decode_patch (module
, mp
, &ji
, p
, &p
);
4751 mono_mempool_destroy (mp
);
4755 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
4756 using_gsharedvt
= TRUE
;
4760 * Avoid calling resolve_patch_target in the full-aot case if possible, since
4761 * it would create a trampoline, and we don't need that.
4762 * We could do this only if the method does not need the special handling
4763 * in mono_magic_trampoline ().
4765 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
) &&
4766 !mono_method_needs_static_rgctx_invoke (ji
.data
.method
, FALSE
) && !using_gsharedvt
) {
4767 target
= (guint8
*)mono_jit_compile_method (ji
.data
.method
, error
);
4768 if (!mono_error_ok (error
)) {
4769 mono_mempool_destroy (mp
);
4774 target
= (guint8
*)mono_resolve_patch_target (NULL
, mono_domain_get (), NULL
, &ji
, TRUE
, error
);
4775 if (!mono_error_ok (error
)) {
4776 mono_mempool_destroy (mp
);
4782 * The trampoline expects us to return a function descriptor on platforms which use
4783 * it, but resolve_patch_target returns a direct function pointer for some type of
4784 * patches, so have to translate between the two.
4785 * FIXME: Clean this up, but how ?
4787 if (ji
.type
== MONO_PATCH_INFO_ABS
|| ji
.type
== MONO_PATCH_INFO_INTERNAL_METHOD
|| ji
.type
== MONO_PATCH_INFO_ICALL_ADDR
|| ji
.type
== MONO_PATCH_INFO_JIT_ICALL_ADDR
|| ji
.type
== MONO_PATCH_INFO_RGCTX_FETCH
) {
4788 /* These should already have a function descriptor */
4789 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
4790 /* Our function descriptors have a 0 environment, gcc created ones don't */
4791 if (ji
.type
!= MONO_PATCH_INFO_INTERNAL_METHOD
&& ji
.type
!= MONO_PATCH_INFO_JIT_ICALL_ADDR
&& ji
.type
!= MONO_PATCH_INFO_ICALL_ADDR
)
4792 g_assert (((gpointer
*)target
) [2] == 0);
4795 } else if (!no_ftnptr
) {
4796 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
4797 g_assert (((gpointer
*)target
) [2] != 0);
4799 target
= (guint8
*)mono_create_ftnptr (mono_domain_get (), target
);
4802 mono_mempool_destroy (mp
);
4804 /* Patch the PLT entry with target which might be the actual method not a trampoline */
4805 plt_entry
= mono_aot_get_plt_entry (code
);
4806 g_assert (plt_entry
);
4807 mono_aot_patch_plt_entry (code
, plt_entry
, module
->got
, NULL
, target
);
4811 g_assert_not_reached ();
4819 * Initialize the PLT table of the AOT module. Called lazily when the first AOT
4820 * method in the module is loaded to avoid committing memory by writing to it.
4821 * LOCKING: Assumes the AMODULE lock is held.
4824 init_plt (MonoAotModule
*amodule
)
4829 if (amodule
->plt_inited
)
4832 if (amodule
->info
.plt_size
<= 1) {
4833 amodule
->plt_inited
= TRUE
;
4837 tramp
= mono_create_specific_trampoline (amodule
, MONO_TRAMPOLINE_AOT_PLT
, mono_get_root_domain (), NULL
);
4840 * Initialize the PLT entries in the GOT to point to the default targets.
4843 tramp
= mono_create_ftnptr (mono_domain_get (), tramp
);
4844 for (i
= 1; i
< amodule
->info
.plt_size
; ++i
)
4845 /* All the default entries point to the AOT trampoline */
4846 ((gpointer
*)amodule
->got
)[amodule
->info
.plt_got_offset_base
+ i
] = tramp
;
4848 amodule
->plt_inited
= TRUE
;
4852 * mono_aot_get_plt_entry:
4854 * Return the address of the PLT entry called by the code at CODE if exists.
4857 mono_aot_get_plt_entry (guint8
*code
)
4859 MonoAotModule
*amodule
= find_aot_module (code
);
4860 guint8
*target
= NULL
;
4866 if (is_thumb_code (amodule
, code
- 4))
4867 return mono_arm_get_thumb_plt_entry (code
);
4870 #ifdef MONO_ARCH_AOT_SUPPORTED
4871 target
= mono_arch_get_call_target (code
);
4873 g_assert_not_reached ();
4877 while (target
!= NULL
) {
4878 if ((target
>= (guint8
*)(amodule
->plt
)) && (target
< (guint8
*)(amodule
->plt_end
)))
4881 // Add 4 since mono_arch_get_call_target assumes we're passing
4882 // the instruction after the actual branch instruction.
4883 target
= mono_arch_get_call_target (target
+ 4);
4888 if ((target
>= (guint8
*)(amodule
->plt
)) && (target
< (guint8
*)(amodule
->plt_end
)))
4896 * mono_aot_get_plt_info_offset:
4898 * Return the PLT info offset belonging to the plt entry called by CODE.
4901 mono_aot_get_plt_info_offset (mgreg_t
*regs
, guint8
*code
)
4903 guint8
*plt_entry
= mono_aot_get_plt_entry (code
);
4905 g_assert (plt_entry
);
4907 /* The offset is embedded inside the code after the plt entry */
4908 #ifdef MONO_ARCH_AOT_SUPPORTED
4909 return mono_arch_get_plt_info_offset (plt_entry
, regs
, code
);
4911 g_assert_not_reached ();
4917 mono_create_ftnptr_malloc (guint8
*code
)
4919 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
4920 MonoPPCFunctionDescriptor
*ftnptr
= g_malloc0 (sizeof (MonoPPCFunctionDescriptor
));
4922 ftnptr
->code
= code
;
4933 * mono_aot_register_jit_icall:
4935 * Register a JIT icall which is called by trampolines in full-aot mode. This should
4936 * be called from mono_arch_init () during startup.
4939 mono_aot_register_jit_icall (const char *name
, gpointer addr
)
4941 /* No need for locking */
4942 if (!aot_jit_icall_hash
)
4943 aot_jit_icall_hash
= g_hash_table_new (g_str_hash
, g_str_equal
);
4944 g_hash_table_insert (aot_jit_icall_hash
, (char*)name
, addr
);
4948 * load_function_full:
4950 * Load the function named NAME from the aot image.
4953 load_function_full (MonoAotModule
*amodule
, const char *name
, MonoTrampInfo
**out_tinfo
)
4957 int n_patches
, pindex
;
4960 guint32 info_offset
;
4964 symbol
= g_strdup_printf ("%s", name
);
4965 find_amodule_symbol (amodule
, symbol
, (gpointer
*)&code
);
4968 g_error ("Symbol '%s' not found in AOT file '%s'.\n", name
, amodule
->aot_name
);
4970 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT: FOUND function '%s' in AOT file '%s'.", name
, amodule
->aot_name
);
4974 symbol
= g_strdup_printf ("%s_p", name
);
4975 find_amodule_symbol (amodule
, symbol
, (gpointer
*)&p
);
4978 /* Nothing to patch */
4981 info_offset
= *(guint32
*)p
;
4983 MonoTrampInfo
*tinfo
;
4984 guint32 code_size
, uw_info_len
, uw_offset
;
4986 /* Construct a MonoTrampInfo from the data in the AOT image */
4988 p
+= sizeof (guint32
);
4989 code_size
= *(guint32
*)p
;
4990 p
+= sizeof (guint32
);
4991 uw_offset
= *(guint32
*)p
;
4992 uw_info
= amodule
->unwind_info
+ uw_offset
;
4993 uw_info_len
= decode_value (uw_info
, &uw_info
);
4995 tinfo
= g_new0 (MonoTrampInfo
, 1);
4996 tinfo
->code
= (guint8
*)code
;
4997 tinfo
->code_size
= code_size
;
4998 tinfo
->uw_info_len
= uw_info_len
;
5000 tinfo
->uw_info
= uw_info
;
5005 p
= amodule
->blob
+ info_offset
;
5007 /* Similar to mono_aot_load_method () */
5009 n_patches
= decode_value (p
, &p
);
5012 MonoJumpInfo
*patches
;
5015 mp
= mono_mempool_new ();
5017 patches
= load_patch_info (amodule
, mp
, n_patches
, FALSE
, &got_slots
, p
, &p
);
5020 for (pindex
= 0; pindex
< n_patches
; ++pindex
) {
5021 MonoJumpInfo
*ji
= &patches
[pindex
];
5025 if (amodule
->got
[got_slots
[pindex
]])
5029 * When this code is executed, the runtime may not be initalized yet, so
5030 * resolve the patch info by hand.
5032 if (ji
->type
== MONO_PATCH_INFO_JIT_ICALL_ADDR
) {
5033 if (!strcmp (ji
->data
.name
, "mono_get_lmf_addr")) {
5034 target
= mono_get_lmf_addr
;
5035 } else if (!strcmp (ji
->data
.name
, "mono_thread_force_interruption_checkpoint_noraise")) {
5036 target
= mono_thread_force_interruption_checkpoint_noraise
;
5037 } else if (!strcmp (ji
->data
.name
, "mono_interruption_checkpoint_from_trampoline")) {
5038 target
= mono_interruption_checkpoint_from_trampoline
;
5039 } else if (!strcmp (ji
->data
.name
, "mono_exception_from_token")) {
5040 target
= mono_exception_from_token
;
5041 } else if (!strcmp (ji
->data
.name
, "mono_throw_exception")) {
5042 target
= mono_get_throw_exception ();
5043 } else if (strstr (ji
->data
.name
, "trampoline_func_") == ji
->data
.name
) {
5044 MonoTrampolineType tramp_type2
= (MonoTrampolineType
)atoi (ji
->data
.name
+ strlen ("trampoline_func_"));
5045 target
= (gpointer
)mono_get_trampoline_func (tramp_type2
);
5046 } else if (strstr (ji
->data
.name
, "specific_trampoline_lazy_fetch_") == ji
->data
.name
) {
5047 /* atoll is needed because the the offset is unsigned */
5051 res
= sscanf (ji
->data
.name
, "specific_trampoline_lazy_fetch_%u", &slot
);
5052 g_assert (res
== 1);
5053 target
= mono_create_specific_trampoline (GUINT_TO_POINTER (slot
), MONO_TRAMPOLINE_RGCTX_LAZY_FETCH
, mono_get_root_domain (), NULL
);
5054 target
= mono_create_ftnptr_malloc ((guint8
*)target
);
5055 } else if (!strcmp (ji
->data
.name
, "debugger_agent_single_step_from_context")) {
5056 target
= debugger_agent_single_step_from_context
;
5057 } else if (!strcmp (ji
->data
.name
, "debugger_agent_breakpoint_from_context")) {
5058 target
= debugger_agent_breakpoint_from_context
;
5059 } else if (!strcmp (ji
->data
.name
, "throw_exception_addr")) {
5060 target
= mono_get_throw_exception_addr ();
5061 } else if (strstr (ji
->data
.name
, "generic_trampoline_")) {
5062 target
= mono_aot_get_trampoline (ji
->data
.name
);
5063 } else if (aot_jit_icall_hash
&& g_hash_table_lookup (aot_jit_icall_hash
, ji
->data
.name
)) {
5064 /* Registered by mono_arch_init () */
5065 target
= g_hash_table_lookup (aot_jit_icall_hash
, ji
->data
.name
);
5067 fprintf (stderr
, "Unknown relocation '%s'\n", ji
->data
.name
);
5068 g_assert_not_reached ();
5072 /* Hopefully the code doesn't have patches which need method or
5075 target
= mono_resolve_patch_target (NULL
, NULL
, (guint8
*)code
, ji
, FALSE
, &error
);
5076 mono_error_assert_ok (&error
);
5080 amodule
->got
[got_slots
[pindex
]] = target
;
5085 mono_mempool_destroy (mp
);
5092 load_function (MonoAotModule
*amodule
, const char *name
)
5094 return load_function_full (amodule
, name
, NULL
);
5097 static MonoAotModule
*
5098 get_mscorlib_aot_module (void)
5101 MonoAotModule
*amodule
;
5103 image
= mono_defaults
.corlib
;
5105 amodule
= (MonoAotModule
*)image
->aot_module
;
5107 amodule
= mscorlib_aot_module
;
5113 no_trampolines (void)
5115 g_assert_not_reached ();
5119 * Return the trampoline identified by NAME from the mscorlib AOT file.
5120 * On ppc64, this returns a function descriptor.
5123 mono_aot_get_trampoline_full (const char *name
, MonoTrampInfo
**out_tinfo
)
5125 MonoAotModule
*amodule
= get_mscorlib_aot_module ();
5127 if (mono_llvm_only
) {
5129 return no_trampolines
;
5132 return mono_create_ftnptr_malloc ((guint8
*)load_function_full (amodule
, name
, out_tinfo
));
5136 mono_aot_get_trampoline (const char *name
)
5138 MonoTrampInfo
*out_tinfo
;
5141 code
= mono_aot_get_trampoline_full (name
, &out_tinfo
);
5142 mono_tramp_info_register (out_tinfo
, NULL
);
5148 read_unwind_info (MonoAotModule
*amodule
, MonoTrampInfo
*info
, const char *symbol_name
)
5150 gpointer symbol_addr
;
5151 guint32 uw_offset
, uw_info_len
;
5154 find_amodule_symbol (amodule
, symbol_name
, &symbol_addr
);
5159 uw_offset
= *(guint32
*)symbol_addr
;
5160 uw_info
= amodule
->unwind_info
+ uw_offset
;
5161 uw_info_len
= decode_value (uw_info
, &uw_info
);
5163 info
->uw_info_len
= uw_info_len
;
5165 info
->uw_info
= uw_info
;
5167 info
->uw_info
= NULL
;
5169 /* If successful return the address of the following data */
5170 return (guint32
*)symbol_addr
+ 1;
5174 #include <mach/mach.h>
5176 static TrampolinePage
* trampoline_pages
[MONO_AOT_TRAMP_NUM
];
5179 read_page_trampoline_uwinfo (MonoTrampInfo
*info
, int tramp_type
, gboolean is_generic
)
5181 char symbol_name
[128];
5183 if (tramp_type
== MONO_AOT_TRAMP_SPECIFIC
)
5184 sprintf (symbol_name
, "specific_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5185 else if (tramp_type
== MONO_AOT_TRAMP_STATIC_RGCTX
)
5186 sprintf (symbol_name
, "rgctx_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5187 else if (tramp_type
== MONO_AOT_TRAMP_IMT
)
5188 sprintf (symbol_name
, "imt_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5189 else if (tramp_type
== MONO_AOT_TRAMP_GSHAREDVT_ARG
)
5190 sprintf (symbol_name
, "gsharedvt_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5192 g_assert_not_reached ();
5194 read_unwind_info (mono_defaults
.corlib
->aot_module
, info
, symbol_name
);
5197 static unsigned char*
5198 get_new_trampoline_from_page (int tramp_type
)
5200 MonoAotModule
*amodule
;
5202 TrampolinePage
*page
;
5205 vm_address_t addr
, taddr
;
5207 vm_prot_t prot
, max_prot
;
5208 int psize
, specific_trampoline_size
;
5209 unsigned char *code
;
5211 specific_trampoline_size
= 2 * sizeof (gpointer
);
5213 mono_aot_page_lock ();
5214 page
= trampoline_pages
[tramp_type
];
5215 if (page
&& page
->trampolines
< page
->trampolines_end
) {
5216 code
= page
->trampolines
;
5217 page
->trampolines
+= specific_trampoline_size
;
5218 mono_aot_page_unlock ();
5221 mono_aot_page_unlock ();
5222 /* the trampoline template page is in the mscorlib module */
5223 image
= mono_defaults
.corlib
;
5226 psize
= MONO_AOT_TRAMP_PAGE_SIZE
;
5228 amodule
= image
->aot_module
;
5231 if (tramp_type
== MONO_AOT_TRAMP_SPECIFIC
)
5232 tpage
= load_function (amodule
, "specific_trampolines_page");
5233 else if (tramp_type
== MONO_AOT_TRAMP_STATIC_RGCTX
)
5234 tpage
= load_function (amodule
, "rgctx_trampolines_page");
5235 else if (tramp_type
== MONO_AOT_TRAMP_IMT
)
5236 tpage
= load_function (amodule
, "imt_trampolines_page");
5237 else if (tramp_type
== MONO_AOT_TRAMP_GSHAREDVT_ARG
)
5238 tpage
= load_function (amodule
, "gsharedvt_arg_trampolines_page");
5240 g_error ("Incorrect tramp type for trampolines page");
5242 /*g_warning ("loaded trampolines page at %x", tpage);*/
5244 /* avoid the unlikely case of looping forever */
5247 while (page
== NULL
&& count
-- > 0) {
5248 MonoTrampInfo
*gen_info
, *sp_info
;
5251 /* allocate two contiguous pages of memory: the first page will contain the data (like a local constant pool)
5252 * while the second will contain the trampolines.
5255 ret
= vm_allocate (mach_task_self (), &addr
, psize
* 2, VM_FLAGS_ANYWHERE
);
5256 } while (ret
== KERN_ABORTED
);
5257 if (ret
!= KERN_SUCCESS
) {
5258 g_error ("Cannot allocate memory for trampolines: %d", ret
);
5261 /*g_warning ("allocated trampoline double page at %x", addr);*/
5262 /* replace the second page with a remapped trampoline page */
5263 taddr
= addr
+ psize
;
5264 vm_deallocate (mach_task_self (), taddr
, psize
);
5265 ret
= vm_remap (mach_task_self (), &taddr
, psize
, 0, FALSE
, mach_task_self(), (vm_address_t
)tpage
, FALSE
, &prot
, &max_prot
, VM_INHERIT_SHARE
);
5266 if (ret
!= KERN_SUCCESS
) {
5267 /* someone else got the page, try again */
5268 vm_deallocate (mach_task_self (), addr
, psize
);
5271 /*g_warning ("remapped trampoline page at %x", taddr);*/
5273 mono_aot_page_lock ();
5274 page
= trampoline_pages
[tramp_type
];
5275 /* some other thread already allocated, so use that to avoid wasting memory */
5276 if (page
&& page
->trampolines
< page
->trampolines_end
) {
5277 code
= page
->trampolines
;
5278 page
->trampolines
+= specific_trampoline_size
;
5279 mono_aot_page_unlock ();
5280 vm_deallocate (mach_task_self (), addr
, psize
);
5281 vm_deallocate (mach_task_self (), taddr
, psize
);
5284 page
= (TrampolinePage
*)addr
;
5285 page
->next
= trampoline_pages
[tramp_type
];
5286 trampoline_pages
[tramp_type
] = page
;
5287 page
->trampolines
= (void*)(taddr
+ amodule
->info
.tramp_page_code_offsets
[tramp_type
]);
5288 page
->trampolines_end
= (void*)(taddr
+ psize
- 64);
5289 code
= page
->trampolines
;
5290 page
->trampolines
+= specific_trampoline_size
;
5291 mono_aot_page_unlock ();
5293 /* Register the generic part at the beggining of the trampoline page */
5294 gen_info
= mono_tramp_info_create (NULL
, (guint8
*)taddr
, amodule
->info
.tramp_page_code_offsets
[tramp_type
], NULL
, NULL
);
5295 read_page_trampoline_uwinfo (gen_info
, tramp_type
, TRUE
);
5296 mono_tramp_info_register (gen_info
, NULL
);
5299 * Registering each specific trampoline produces a lot of
5300 * MonoJitInfo structures. Jump trampolines are also registered
5303 if (tramp_type
!= MONO_AOT_TRAMP_SPECIFIC
) {
5304 /* Register the rest of the page as a single trampoline */
5305 sp_info
= mono_tramp_info_create (NULL
, code
, page
->trampolines_end
- code
, NULL
, NULL
);
5306 read_page_trampoline_uwinfo (sp_info
, tramp_type
, FALSE
);
5307 mono_tramp_info_register (sp_info
, NULL
);
5311 g_error ("Cannot allocate more trampoline pages: %d", ret
);
5316 static unsigned char*
5317 get_new_trampoline_from_page (int tramp_type
)
5319 g_error ("Page trampolines not supported.");
5326 get_new_specific_trampoline_from_page (gpointer tramp
, gpointer arg
)
5331 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_SPECIFIC
);
5333 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5336 /*g_warning ("new trampoline at %p for data %p, tramp %p (stored at %p)", code, arg, tramp, data);*/
5342 get_new_rgctx_trampoline_from_page (gpointer tramp
, gpointer arg
)
5347 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_STATIC_RGCTX
);
5349 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5352 /*g_warning ("new rgctx trampoline at %p for data %p, tramp %p (stored at %p)", code, arg, tramp, data);*/
5358 get_new_imt_trampoline_from_page (gpointer arg
)
5363 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_IMT
);
5365 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5367 /*g_warning ("new imt trampoline at %p for data %p, (stored at %p)", code, arg, data);*/
5373 get_new_gsharedvt_arg_trampoline_from_page (gpointer tramp
, gpointer arg
)
5378 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_GSHAREDVT_ARG
);
5380 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5383 /*g_warning ("new rgctx trampoline at %p for data %p, tramp %p (stored at %p)", code, arg, tramp, data);*/
5387 /* Return a given kind of trampoline */
5388 /* FIXME set unwind info for these trampolines */
5390 get_numerous_trampoline (MonoAotTrampoline tramp_type
, int n_got_slots
, MonoAotModule
**out_amodule
, guint32
*got_offset
, guint32
*out_tramp_size
)
5393 MonoAotModule
*amodule
= get_mscorlib_aot_module ();
5394 int index
, tramp_size
;
5396 /* Currently, we keep all trampolines in the mscorlib AOT image */
5397 image
= mono_defaults
.corlib
;
5399 *out_amodule
= amodule
;
5404 #define MONOTOUCH_TRAMPOLINES_ERROR ". See http://docs.xamarin.com/ios/troubleshooting for instructions on how to fix this condition."
5406 #define MONOTOUCH_TRAMPOLINES_ERROR ""
5408 if (amodule
->trampoline_index
[tramp_type
] == amodule
->info
.num_trampolines
[tramp_type
]) {
5409 g_error ("Ran out of trampolines of type %d in '%s' (limit %d)%s\n",
5410 tramp_type
, image
? image
->name
: "mscorlib", amodule
->info
.num_trampolines
[tramp_type
], MONOTOUCH_TRAMPOLINES_ERROR
);
5412 index
= amodule
->trampoline_index
[tramp_type
] ++;
5416 *got_offset
= amodule
->info
.trampoline_got_offset_base
[tramp_type
] + (index
* n_got_slots
);
5418 tramp_size
= amodule
->info
.trampoline_size
[tramp_type
];
5421 *out_tramp_size
= tramp_size
;
5423 return amodule
->trampolines
[tramp_type
] + (index
* tramp_size
);
5427 no_specific_trampoline (void)
5429 g_assert_not_reached ();
5433 * Return a specific trampoline from the AOT file.
5436 mono_aot_create_specific_trampoline (MonoImage
*image
, gpointer arg1
, MonoTrampolineType tramp_type
, MonoDomain
*domain
, guint32
*code_len
)
5438 MonoAotModule
*amodule
;
5439 guint32 got_offset
, tramp_size
;
5440 guint8
*code
, *tramp
;
5441 static gpointer generic_trampolines
[MONO_TRAMPOLINE_NUM
];
5442 static gboolean inited
;
5443 static guint32 num_trampolines
;
5445 if (mono_llvm_only
) {
5447 return no_specific_trampoline
;
5454 mono_counters_register ("Specific trampolines", MONO_COUNTER_JIT
| MONO_COUNTER_INT
, &num_trampolines
);
5463 if (!generic_trampolines
[tramp_type
]) {
5466 symbol
= mono_get_generic_trampoline_name (tramp_type
);
5467 generic_trampolines
[tramp_type
] = mono_aot_get_trampoline (symbol
);
5471 tramp
= (guint8
*)generic_trampolines
[tramp_type
];
5474 if (USE_PAGE_TRAMPOLINES
) {
5475 code
= (guint8
*)get_new_specific_trampoline_from_page (tramp
, arg1
);
5478 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_SPECIFIC
, 2, &amodule
, &got_offset
, &tramp_size
);
5480 amodule
->got
[got_offset
] = tramp
;
5481 amodule
->got
[got_offset
+ 1] = arg1
;
5485 *code_len
= tramp_size
;
5491 mono_aot_get_static_rgctx_trampoline (gpointer ctx
, gpointer addr
)
5493 MonoAotModule
*amodule
;
5497 if (USE_PAGE_TRAMPOLINES
) {
5498 code
= (guint8
*)get_new_rgctx_trampoline_from_page (addr
, ctx
);
5500 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_STATIC_RGCTX
, 2, &amodule
, &got_offset
, NULL
);
5502 amodule
->got
[got_offset
] = ctx
;
5503 amodule
->got
[got_offset
+ 1] = addr
;
5506 /* The caller expects an ftnptr */
5507 return mono_create_ftnptr (mono_domain_get (), code
);
5511 mono_aot_get_unbox_trampoline (MonoMethod
*method
)
5513 guint32 method_index
= mono_metadata_token_index (method
->token
) - 1;
5514 MonoAotModule
*amodule
;
5516 guint32
*ut
, *ut_end
, *entry
;
5517 int low
, high
, entry_index
= 0;
5518 gpointer symbol_addr
;
5519 MonoTrampInfo
*tinfo
;
5521 if (method
->is_inflated
&& !mono_method_is_generic_sharable_full (method
, FALSE
, FALSE
, FALSE
)) {
5522 method_index
= find_aot_method (method
, &amodule
);
5523 if (method_index
== 0xffffff && mono_method_is_generic_sharable_full (method
, FALSE
, TRUE
, FALSE
)) {
5524 MonoMethod
*shared
= mini_get_shared_method_full (method
, FALSE
, FALSE
);
5525 method_index
= find_aot_method (shared
, &amodule
);
5527 if (method_index
== 0xffffff && mono_method_is_generic_sharable_full (method
, FALSE
, TRUE
, TRUE
)) {
5528 MonoMethod
*shared
= mini_get_shared_method_full (method
, TRUE
, TRUE
);
5529 method_index
= find_aot_method (shared
, &amodule
);
5531 g_assert (method_index
!= 0xffffff);
5533 amodule
= (MonoAotModule
*)method
->klass
->image
->aot_module
;
5537 if (amodule
->info
.llvm_get_unbox_tramp
) {
5538 gpointer (*get_tramp
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_unbox_tramp
;
5539 code
= get_tramp (method_index
);
5545 ut
= amodule
->unbox_trampolines
;
5546 ut_end
= amodule
->unbox_trampolines_end
;
5548 /* Do a binary search in the sorted table */
5551 high
= (ut_end
- ut
);
5552 while (low
< high
) {
5553 entry_index
= (low
+ high
) / 2;
5554 entry
= &ut
[entry_index
];
5555 if (entry
[0] < method_index
) {
5556 low
= entry_index
+ 1;
5557 } else if (entry
[0] > method_index
) {
5564 code
= get_call_table_entry (amodule
->unbox_trampoline_addresses
, entry_index
);
5567 tinfo
= mono_tramp_info_create (NULL
, (guint8
*)code
, 0, NULL
, NULL
);
5569 symbol_addr
= read_unwind_info (amodule
, tinfo
, "unbox_trampoline_p");
5571 mono_tramp_info_free (tinfo
);
5575 tinfo
->code_size
= *(guint32
*)symbol_addr
;
5576 mono_tramp_info_register (tinfo
, NULL
);
5578 /* The caller expects an ftnptr */
5579 return mono_create_ftnptr (mono_domain_get (), code
);
5583 mono_aot_get_lazy_fetch_trampoline (guint32 slot
)
5587 MonoAotModule
*amodule
= (MonoAotModule
*)mono_defaults
.corlib
->aot_module
;
5588 guint32 index
= MONO_RGCTX_SLOT_INDEX (slot
);
5589 static int count
= 0;
5592 if (index
>= amodule
->info
.num_rgctx_fetch_trampolines
) {
5593 static gpointer addr
;
5597 * Use the general version of the rgctx fetch trampoline. It receives a pair of <slot, trampoline> in the rgctx arg reg.
5600 addr
= load_function (amodule
, "rgctx_fetch_trampoline_general");
5601 info
= (void **)mono_domain_alloc0 (mono_get_root_domain (), sizeof (gpointer
) * 2);
5602 info
[0] = GUINT_TO_POINTER (slot
);
5603 info
[1] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot
), MONO_TRAMPOLINE_RGCTX_LAZY_FETCH
, mono_get_root_domain (), NULL
);
5604 code
= mono_aot_get_static_rgctx_trampoline (info
, addr
);
5605 return mono_create_ftnptr (mono_domain_get (), code
);
5608 symbol
= mono_get_rgctx_fetch_trampoline_name (slot
);
5609 code
= load_function ((MonoAotModule
*)mono_defaults
.corlib
->aot_module
, symbol
);
5611 /* The caller expects an ftnptr */
5612 return mono_create_ftnptr (mono_domain_get (), code
);
5616 no_imt_trampoline (void)
5618 g_assert_not_reached ();
5622 mono_aot_get_imt_trampoline (MonoVTable
*vtable
, MonoDomain
*domain
, MonoIMTCheckItem
**imt_entries
, int count
, gpointer fail_tramp
)
5627 int i
, index
, real_count
;
5628 MonoAotModule
*amodule
;
5631 return no_imt_trampoline
;
5634 for (i
= 0; i
< count
; ++i
) {
5635 MonoIMTCheckItem
*item
= imt_entries
[i
];
5637 if (item
->is_equals
)
5641 /* Save the entries into an array */
5642 buf
= (void **)mono_domain_alloc (domain
, (real_count
+ 1) * 2 * sizeof (gpointer
));
5644 for (i
= 0; i
< count
; ++i
) {
5645 MonoIMTCheckItem
*item
= imt_entries
[i
];
5647 if (!item
->is_equals
)
5650 g_assert (item
->key
);
5652 buf
[(index
* 2)] = item
->key
;
5653 if (item
->has_target_code
) {
5654 gpointer
*p
= (gpointer
*)mono_domain_alloc (domain
, sizeof (gpointer
));
5655 *p
= item
->value
.target_code
;
5656 buf
[(index
* 2) + 1] = p
;
5658 buf
[(index
* 2) + 1] = &(vtable
->vtable
[item
->value
.vtable_slot
]);
5662 buf
[(index
* 2)] = NULL
;
5663 buf
[(index
* 2) + 1] = fail_tramp
;
5665 if (USE_PAGE_TRAMPOLINES
) {
5666 code
= get_new_imt_trampoline_from_page (buf
);
5668 code
= get_numerous_trampoline (MONO_AOT_TRAMP_IMT
, 1, &amodule
, &got_offset
, NULL
);
5670 amodule
->got
[got_offset
] = buf
;
5677 mono_aot_get_gsharedvt_arg_trampoline (gpointer arg
, gpointer addr
)
5679 MonoAotModule
*amodule
;
5683 if (USE_PAGE_TRAMPOLINES
) {
5684 code
= (guint8
*)get_new_gsharedvt_arg_trampoline_from_page (addr
, arg
);
5686 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_GSHAREDVT_ARG
, 2, &amodule
, &got_offset
, NULL
);
5688 amodule
->got
[got_offset
] = arg
;
5689 amodule
->got
[got_offset
+ 1] = addr
;
5692 /* The caller expects an ftnptr */
5693 return mono_create_ftnptr (mono_domain_get (), code
);
5697 * mono_aot_set_make_unreadable:
5699 * Set whenever to make all mmaped memory unreadable. In conjuction with a
5700 * SIGSEGV handler, this is useful to find out which pages the runtime tries to read.
5703 mono_aot_set_make_unreadable (gboolean unreadable
)
5707 make_unreadable
= unreadable
;
5709 if (make_unreadable
&& !inited
) {
5710 mono_counters_register ("AOT: pagefaults", MONO_COUNTER_JIT
| MONO_COUNTER_INT
, &n_pagefaults
);
5715 MonoAotModule
*module
;
5720 find_map (gpointer key
, gpointer value
, gpointer user_data
)
5722 MonoAotModule
*module
= (MonoAotModule
*)value
;
5723 FindMapUserData
*data
= (FindMapUserData
*)user_data
;
5726 if ((data
->ptr
>= module
->mem_begin
) && (data
->ptr
< module
->mem_end
))
5727 data
->module
= module
;
5730 static MonoAotModule
*
5731 find_module_for_addr (void *ptr
)
5733 FindMapUserData data
;
5735 if (!make_unreadable
)
5739 data
.ptr
= (guint8
*)ptr
;
5742 g_hash_table_foreach (aot_modules
, (GHFunc
)find_map
, &data
);
5749 * mono_aot_is_pagefault:
5751 * Should be called from a SIGSEGV signal handler to find out whenever @ptr is
5752 * within memory allocated by this module.
5755 mono_aot_is_pagefault (void *ptr
)
5757 if (!make_unreadable
)
5761 * Not signal safe, but SIGSEGV's are synchronous, and
5762 * this is only turned on by a MONO_DEBUG option.
5764 return find_module_for_addr (ptr
) != NULL
;
5768 * mono_aot_handle_pagefault:
5770 * Handle a pagefault caused by an unreadable page by making it readable again.
5773 mono_aot_handle_pagefault (void *ptr
)
5775 #ifndef PLATFORM_WIN32
5776 guint8
* start
= (guint8
*)ROUND_DOWN (((gssize
)ptr
), mono_pagesize ());
5780 res
= mono_mprotect (start
, mono_pagesize (), MONO_MMAP_READ
|MONO_MMAP_WRITE
|MONO_MMAP_EXEC
);
5781 g_assert (res
== 0);
5792 mono_aot_init (void)
5797 mono_aot_cleanup (void)
5802 mono_aot_find_method_index (MonoMethod
*method
)
5804 g_assert_not_reached ();
5809 mono_aot_init_llvm_method (gpointer aot_module
, guint32 method_index
)
5814 mono_aot_init_gshared_method_this (gpointer aot_module
, guint32 method_index
, MonoObject
*this)
5819 mono_aot_init_gshared_method_mrgctx (gpointer aot_module
, guint32 method_index
, MonoMethodRuntimeGenericContext
*rgctx
)
5824 mono_aot_init_gshared_method_vtable (gpointer aot_module
, guint32 method_index
, MonoVTable
*vtable
)
5829 mono_aot_get_method (MonoDomain
*domain
, MonoMethod
*method
)
5835 mono_aot_get_method_checked (MonoDomain
*domain
,
5836 MonoMethod
*method
, MonoError
*error
)
5838 mono_error_init (error
);
5843 mono_aot_is_got_entry (guint8
*code
, guint8
*addr
)
5849 mono_aot_get_cached_class_info (MonoClass
*klass
, MonoCachedClassInfo
*res
)
5855 mono_aot_get_class_from_name (MonoImage
*image
, const char *name_space
, const char *name
, MonoClass
**klass
)
5861 mono_aot_find_jit_info (MonoDomain
*domain
, MonoImage
*image
, gpointer addr
)
5867 mono_aot_get_method_from_token (MonoDomain
*domain
, MonoImage
*image
, guint32 token
, MonoError
*error
)
5869 mono_error_init (error
);
5874 mono_aot_get_plt_entry (guint8
*code
)
5880 mono_aot_plt_resolve (gpointer aot_module
, guint32 plt_info_offset
, guint8
*code
, MonoError
*error
)
5886 mono_aot_patch_plt_entry (guint8
*code
, guint8
*plt_entry
, gpointer
*got
, mgreg_t
*regs
, guint8
*addr
)
5891 mono_aot_get_method_from_vt_slot (MonoDomain
*domain
, MonoVTable
*vtable
, int slot
, MonoError
*error
)
5893 mono_error_init (error
);
5899 mono_aot_get_plt_info_offset (mgreg_t
*regs
, guint8
*code
)
5901 g_assert_not_reached ();
5907 mono_aot_create_specific_trampoline (MonoImage
*image
, gpointer arg1
, MonoTrampolineType tramp_type
, MonoDomain
*domain
, guint32
*code_len
)
5909 g_assert_not_reached ();
5914 mono_aot_get_static_rgctx_trampoline (gpointer ctx
, gpointer addr
)
5916 g_assert_not_reached ();
5921 mono_aot_get_trampoline_full (const char *name
, MonoTrampInfo
**out_tinfo
)
5923 g_assert_not_reached ();
5928 mono_aot_get_trampoline (const char *name
)
5930 g_assert_not_reached ();
5935 mono_aot_get_unbox_trampoline (MonoMethod
*method
)
5937 g_assert_not_reached ();
5942 mono_aot_get_lazy_fetch_trampoline (guint32 slot
)
5944 g_assert_not_reached ();
5949 mono_aot_get_imt_trampoline (MonoVTable
*vtable
, MonoDomain
*domain
, MonoIMTCheckItem
**imt_entries
, int count
, gpointer fail_tramp
)
5951 g_assert_not_reached ();
5956 mono_aot_get_gsharedvt_arg_trampoline (gpointer arg
, gpointer addr
)
5958 g_assert_not_reached ();
5963 mono_aot_set_make_unreadable (gboolean unreadable
)
5968 mono_aot_is_pagefault (void *ptr
)
5974 mono_aot_handle_pagefault (void *ptr
)
5979 mono_aot_get_unwind_info (MonoJitInfo
*ji
, guint32
*unwind_info_len
)
5981 g_assert_not_reached ();
5986 mono_aot_register_jit_icall (const char *name
, gpointer addr
)