3 * mono Ahead of Time compiler
6 * Dietmar Maurer (dietmar@ximian.com)
7 * Zoltan Varga (vargaz@gmail.com)
9 * (C) 2002 Ximian, Inc.
10 * Copyright 2003-2011 Novell, Inc.
11 * Copyright 2011 Xamarin, Inc.
12 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
16 #include <sys/types.h>
22 #ifdef HAVE_SYS_MMAN_H
31 #ifdef HAVE_EXECINFO_H
38 #ifdef HAVE_SYS_WAIT_H
39 #include <sys/wait.h> /* for WIFEXITED, WEXITSTATUS */
42 #include <mono/metadata/abi-details.h>
43 #include <mono/metadata/tabledefs.h>
44 #include <mono/metadata/class.h>
45 #include <mono/metadata/object.h>
46 #include <mono/metadata/tokentype.h>
47 #include <mono/metadata/appdomain.h>
48 #include <mono/metadata/debug-helpers.h>
49 #include <mono/metadata/assembly.h>
50 #include <mono/metadata/metadata-internals.h>
51 #include <mono/metadata/marshal.h>
52 #include <mono/metadata/gc-internals.h>
53 #include <mono/metadata/threads-types.h>
54 #include <mono/metadata/mono-endian.h>
55 #include <mono/utils/mono-logger-internals.h>
56 #include <mono/utils/mono-mmap.h>
57 #include <mono/utils/mono-compiler.h>
58 #include <mono/utils/mono-counters.h>
59 #include <mono/utils/mono-digest.h>
60 #include <mono/utils/mono-threads-coop.h>
63 #include "seq-points.h"
65 #include "debugger-agent.h"
66 #include "aot-compiler.h"
67 #include "jit-icalls.h"
72 #define ENABLE_AOT_CACHE
75 /* Number of got entries shared between the JIT and LLVM GOT */
76 #define N_COMMON_GOT_ENTRIES 10
78 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
79 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
80 #define ROUND_DOWN(VALUE,SIZE) ((VALUE) & ~((SIZE) - 1))
87 typedef struct MonoAotModule
{
89 /* Pointer to the Global Offset Table */
93 GHashTable
*name_cache
;
94 GHashTable
*extra_methods
;
95 /* Maps methods to their code */
96 GHashTable
*method_to_code
;
97 /* Maps pointers into the method info to the methods themselves */
98 GHashTable
*method_ref_to_method
;
99 MonoAssemblyName
*image_names
;
101 MonoAssembly
*assembly
;
102 MonoImage
**image_table
;
103 guint32 image_table_len
;
104 gboolean out_of_date
;
106 gboolean got_initializing
;
109 guint8
*jit_code_start
;
110 guint8
*jit_code_end
;
111 guint8
*llvm_code_start
;
112 guint8
*llvm_code_end
;
116 /* Maps method indexes to their code */
118 /* Sorted array of method addresses */
119 gpointer
*sorted_methods
;
120 /* Method indexes for each method in sorted_methods */
121 int *sorted_method_indexes
;
122 /* The length of the two tables above */
123 int sorted_methods_len
;
124 guint32
*method_info_offsets
;
125 guint32
*ex_info_offsets
;
126 guint32
*class_info_offsets
;
127 guint32
*got_info_offsets
;
128 guint32
*llvm_got_info_offsets
;
129 guint32
*methods_loaded
;
130 guint16
*class_name_table
;
131 guint32
*extra_method_table
;
132 guint32
*extra_method_info_offsets
;
133 guint32
*unbox_trampolines
;
134 guint32
*unbox_trampolines_end
;
135 guint32
*unbox_trampoline_addresses
;
138 /* Points to the mono EH data created by LLVM */
139 guint8
*mono_eh_frame
;
141 /* Points to the data tables if MONO_AOT_FILE_FLAG_SEPARATE_DATA is set */
142 gpointer tables
[MONO_AOT_TABLE_NUM
];
143 /* Points to the trampolines */
144 guint8
*trampolines
[MONO_AOT_TRAMP_NUM
];
145 /* The first unused trampoline of each kind */
146 guint32 trampoline_index
[MONO_AOT_TRAMP_NUM
];
148 gboolean use_page_trampolines
;
150 MonoAotFileInfo info
;
155 JitInfoMap
*async_jit_info_table
;
161 unsigned char *trampolines
;
162 unsigned char *trampolines_end
;
165 static GHashTable
*aot_modules
;
166 #define mono_aot_lock() mono_os_mutex_lock (&aot_mutex)
167 #define mono_aot_unlock() mono_os_mutex_unlock (&aot_mutex)
168 static mono_mutex_t aot_mutex
;
171 * Maps assembly names to the mono_aot_module_<NAME>_info symbols in the
172 * AOT modules registered by mono_aot_register_module ().
174 static GHashTable
*static_aot_modules
;
177 * Maps MonoJitInfo* to the aot module they belong to, this can be different
178 * from ji->method->klass->image's aot module for generic instances.
180 static GHashTable
*ji_to_amodule
;
183 * Whenever to AOT compile loaded assemblies on demand and store them in
186 static gboolean enable_aot_cache
= FALSE
;
188 static gboolean mscorlib_aot_loaded
;
191 static gint32 mono_last_aot_method
= -1;
193 static gboolean make_unreadable
= FALSE
;
194 static guint32 name_table_accesses
= 0;
195 static guint32 n_pagefaults
= 0;
197 /* Used to speed-up find_aot_module () */
198 static gsize aot_code_low_addr
= (gssize
)-1;
199 static gsize aot_code_high_addr
= 0;
202 static gint32 async_jit_info_size
;
204 static GHashTable
*aot_jit_icall_hash
;
207 #define USE_PAGE_TRAMPOLINES ((MonoAotModule*)mono_defaults.corlib->aot_module)->use_page_trampolines
209 #define USE_PAGE_TRAMPOLINES 0
212 #define mono_aot_page_lock() mono_os_mutex_lock (&aot_page_mutex)
213 #define mono_aot_page_unlock() mono_os_mutex_unlock (&aot_page_mutex)
214 static mono_mutex_t aot_page_mutex
;
216 static MonoAotModule
*mscorlib_aot_module
;
218 /* Embedding API hooks to load the AOT data for AOT images compiled with MONO_AOT_FILE_FLAG_SEPARATE_DATA */
219 static MonoLoadAotDataFunc aot_data_load_func
;
220 static MonoFreeAotDataFunc aot_data_free_func
;
221 static gpointer aot_data_func_user_data
;
224 init_plt (MonoAotModule
*info
);
227 compute_llvm_code_range (MonoAotModule
*amodule
, guint8
**code_start
, guint8
**code_end
);
230 init_method (MonoAotModule
*amodule
, guint32 method_index
, MonoMethod
*method
, MonoClass
*init_class
, MonoGenericContext
*context
, MonoError
*error
);
233 decode_patches (MonoAotModule
*amodule
, MonoMemPool
*mp
, int n_patches
, gboolean llvm
, guint32
*got_offsets
);
236 amodule_lock (MonoAotModule
*amodule
)
238 mono_os_mutex_lock (&amodule
->mutex
);
242 amodule_unlock (MonoAotModule
*amodule
)
244 mono_os_mutex_unlock (&amodule
->mutex
);
250 * Load one of the images referenced by AMODULE. Returns NULL if the image is not
251 * found, and sets @error for what happened
254 load_image (MonoAotModule
*amodule
, int index
, MonoError
*error
)
256 MonoAssembly
*assembly
;
257 MonoImageOpenStatus status
;
259 g_assert (index
< amodule
->image_table_len
);
263 if (amodule
->image_table
[index
])
264 return amodule
->image_table
[index
];
265 if (amodule
->out_of_date
) {
266 mono_error_set_bad_image_name (error
, amodule
->aot_name
, "Image out of date");
270 assembly
= mono_assembly_load (&amodule
->image_names
[index
], amodule
->assembly
->basedir
, &status
);
272 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
);
273 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
);
274 amodule
->out_of_date
= TRUE
;
278 if (strcmp (assembly
->image
->guid
, amodule
->image_guids
[index
])) {
279 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
);
280 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
);
281 amodule
->out_of_date
= TRUE
;
285 amodule
->image_table
[index
] = assembly
->image
;
286 return assembly
->image
;
290 decode_value (guint8
*ptr
, guint8
**rptr
)
295 if ((b
& 0x80) == 0){
298 } else if ((b
& 0x40) == 0){
299 len
= ((b
& 0x3f) << 8 | ptr
[1]);
301 } else if (b
!= 0xff) {
302 len
= ((b
& 0x1f) << 24) |
309 len
= (ptr
[1] << 24) | (ptr
[2] << 16) | (ptr
[3] << 8) | ptr
[4];
315 //printf ("DECODE: %d.\n", len);
320 * mono_aot_get_offset:
322 * Decode an offset table emitted by emit_offset_table (), returning the INDEXth
326 mono_aot_get_offset (guint32
*table
, int index
)
328 int i
, group
, ngroups
, index_entry_size
;
329 int start_offset
, offset
, group_size
;
330 guint8
*data_start
, *p
;
331 guint32
*index32
= NULL
;
332 guint16
*index16
= NULL
;
334 /* noffsets = table [0]; */
335 group_size
= table
[1];
337 index_entry_size
= table
[3];
338 group
= index
/ group_size
;
340 if (index_entry_size
== 2) {
341 index16
= (guint16
*)&table
[4];
342 data_start
= (guint8
*)&index16
[ngroups
];
343 p
= data_start
+ index16
[group
];
345 index32
= (guint32
*)&table
[4];
346 data_start
= (guint8
*)&index32
[ngroups
];
347 p
= data_start
+ index32
[group
];
350 /* offset will contain the value of offsets [group * group_size] */
351 offset
= start_offset
= decode_value (p
, &p
);
352 for (i
= group
* group_size
+ 1; i
<= index
; ++i
) {
353 offset
+= decode_value (p
, &p
);
356 //printf ("Offset lookup: %d -> %d, start=%d, p=%d\n", index, offset, start_offset, table [3 + group]);
362 decode_resolve_method_ref (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
);
365 decode_klass_ref (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
);
368 decode_type (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
);
370 static MonoGenericInst
*
371 decode_generic_inst (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
374 MonoType
**type_argv
;
375 MonoGenericInst
*inst
;
379 type_argc
= decode_value (p
, &p
);
380 type_argv
= g_new0 (MonoType
*, type_argc
);
382 for (i
= 0; i
< type_argc
; ++i
) {
383 MonoClass
*pclass
= decode_klass_ref (module
, p
, &p
, error
);
388 type_argv
[i
] = &pclass
->byval_arg
;
391 inst
= mono_metadata_get_generic_inst (type_argc
, type_argv
);
400 decode_generic_context (MonoAotModule
*module
, MonoGenericContext
*ctx
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
408 argc
= decode_value (p
, &p
);
411 ctx
->class_inst
= decode_generic_inst (module
, p
, &p
, error
);
412 if (!ctx
->class_inst
)
416 argc
= decode_value (p
, &p
);
419 ctx
->method_inst
= decode_generic_inst (module
, p
, &p
, error
);
420 if (!ctx
->method_inst
)
429 decode_klass_ref (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
432 MonoClass
*klass
= NULL
, *eklass
;
433 guint32 token
, rank
, idx
;
438 reftype
= decode_value (p
, &p
);
441 mono_error_set_bad_image_name (error
, module
->aot_name
, "Decoding a null class ref");
446 case MONO_AOT_TYPEREF_TYPEDEF_INDEX
:
447 idx
= decode_value (p
, &p
);
448 image
= load_image (module
, 0, error
);
451 klass
= mono_class_get_checked (image
, MONO_TOKEN_TYPE_DEF
+ idx
, error
);
453 case MONO_AOT_TYPEREF_TYPEDEF_INDEX_IMAGE
:
454 idx
= decode_value (p
, &p
);
455 image
= load_image (module
, decode_value (p
, &p
), error
);
458 klass
= mono_class_get_checked (image
, MONO_TOKEN_TYPE_DEF
+ idx
, error
);
460 case MONO_AOT_TYPEREF_TYPESPEC_TOKEN
:
461 token
= decode_value (p
, &p
);
462 image
= module
->assembly
->image
;
464 mono_error_set_bad_image_name (error
, module
->aot_name
, "No image associated with the aot module");
467 klass
= mono_class_get_checked (image
, token
, error
);
469 case MONO_AOT_TYPEREF_GINST
: {
471 MonoGenericContext ctx
;
474 gclass
= decode_klass_ref (module
, p
, &p
, error
);
477 g_assert (mono_class_is_gtd (gclass
));
479 memset (&ctx
, 0, sizeof (ctx
));
480 ctx
.class_inst
= decode_generic_inst (module
, p
, &p
, error
);
483 type
= mono_class_inflate_generic_type_checked (&gclass
->byval_arg
, &ctx
, error
);
486 klass
= mono_class_from_mono_type (type
);
487 mono_metadata_free_type (type
);
490 case MONO_AOT_TYPEREF_VAR
: {
492 MonoGenericContainer
*container
= NULL
;
493 gboolean has_constraint
= decode_value (p
, &p
);
495 if (has_constraint
) {
496 MonoClass
*par_klass
;
497 MonoType
*gshared_constraint
;
499 gshared_constraint
= decode_type (module
, p
, &p
, error
);
500 if (!gshared_constraint
)
503 par_klass
= decode_klass_ref (module
, p
, &p
, error
);
507 t
= mini_get_shared_gparam (&par_klass
->byval_arg
, gshared_constraint
);
508 mono_metadata_free_type (gshared_constraint
);
509 klass
= mono_class_from_mono_type (t
);
511 int type
= decode_value (p
, &p
);
512 int num
= decode_value (p
, &p
);
513 gboolean is_not_anonymous
= decode_value (p
, &p
);
515 if (is_not_anonymous
) {
516 gboolean is_method
= decode_value (p
, &p
);
519 MonoMethod
*method_def
;
520 g_assert (type
== MONO_TYPE_MVAR
);
521 method_def
= decode_resolve_method_ref (module
, p
, &p
, error
);
525 container
= mono_method_get_generic_container (method_def
);
527 MonoClass
*class_def
;
528 g_assert (type
== MONO_TYPE_VAR
);
529 class_def
= decode_klass_ref (module
, p
, &p
, error
);
533 container
= mono_class_try_get_generic_container (class_def
); //FIXME is this a case for a try_get?
536 // We didn't decode is_method, so we have to infer it from type enum.
537 container
= get_anonymous_container_for_image (module
->assembly
->image
, type
== MONO_TYPE_MVAR
);
540 t
= g_new0 (MonoType
, 1);
541 t
->type
= (MonoTypeEnum
)type
;
542 if (is_not_anonymous
) {
543 t
->data
.generic_param
= mono_generic_container_get_param (container
, num
);
546 MonoGenericParam
*par
= (MonoGenericParam
*)mono_image_alloc0 (module
->assembly
->image
, sizeof (MonoGenericParamFull
));
547 par
->owner
= container
;
549 t
->data
.generic_param
= par
;
550 ((MonoGenericParamFull
*)par
)->info
.name
= make_generic_name_string (module
->assembly
->image
, num
);
552 // FIXME: Maybe use types directly to avoid
553 // the overhead of creating MonoClass-es
554 klass
= mono_class_from_mono_type (t
);
560 case MONO_AOT_TYPEREF_ARRAY
:
562 rank
= decode_value (p
, &p
);
563 eklass
= decode_klass_ref (module
, p
, &p
, error
);
566 klass
= mono_array_class_get (eklass
, rank
);
568 case MONO_AOT_TYPEREF_PTR
: {
571 t
= decode_type (module
, p
, &p
, error
);
574 klass
= mono_class_from_mono_type (t
);
578 case MONO_AOT_TYPEREF_BLOB_INDEX
: {
579 guint32 offset
= decode_value (p
, &p
);
582 p2
= module
->blob
+ offset
;
583 klass
= decode_klass_ref (module
, p2
, &p2
, error
);
587 mono_error_set_bad_image_name (error
, module
->aot_name
, "Invalid klass reftype %d", reftype
);
590 //printf ("BLA: %s\n", mono_type_full_name (&klass->byval_arg));
595 static MonoClassField
*
596 decode_field_info (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
)
599 MonoClass
*klass
= decode_klass_ref (module
, buf
, &buf
, &error
);
604 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
608 token
= MONO_TOKEN_FIELD_DEF
+ decode_value (p
, &p
);
612 return mono_class_get_field (klass
, token
);
616 * Parse a MonoType encoded by encode_type () in aot-compiler.c. Return malloc-ed
620 decode_type (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
625 t
= (MonoType
*)g_malloc0 (sizeof (MonoType
));
629 if (*p
== MONO_TYPE_PINNED
) {
632 } else if (*p
== MONO_TYPE_BYREF
) {
640 t
->type
= (MonoTypeEnum
)*p
;
645 case MONO_TYPE_BOOLEAN
:
659 case MONO_TYPE_STRING
:
660 case MONO_TYPE_OBJECT
:
661 case MONO_TYPE_TYPEDBYREF
:
663 case MONO_TYPE_VALUETYPE
:
664 case MONO_TYPE_CLASS
:
665 t
->data
.klass
= decode_klass_ref (module
, p
, &p
, error
);
669 case MONO_TYPE_SZARRAY
:
670 t
->data
.klass
= decode_klass_ref (module
, p
, &p
, error
);
676 t
->data
.type
= decode_type (module
, p
, &p
, error
);
680 case MONO_TYPE_GENERICINST
: {
682 MonoGenericContext ctx
;
686 gclass
= decode_klass_ref (module
, p
, &p
, error
);
689 g_assert (mono_class_is_gtd (gclass
));
691 memset (&ctx
, 0, sizeof (ctx
));
692 ctx
.class_inst
= decode_generic_inst (module
, p
, &p
, error
);
695 type
= mono_class_inflate_generic_type_checked (&gclass
->byval_arg
, &ctx
, error
);
698 klass
= mono_class_from_mono_type (type
);
699 t
->data
.generic_class
= mono_class_get_generic_class (klass
);
702 case MONO_TYPE_ARRAY
: {
703 MonoArrayType
*array
;
706 // FIXME: memory management
707 array
= g_new0 (MonoArrayType
, 1);
708 array
->eklass
= decode_klass_ref (module
, p
, &p
, error
);
711 array
->rank
= decode_value (p
, &p
);
712 array
->numsizes
= decode_value (p
, &p
);
715 array
->sizes
= (int *)g_malloc0 (sizeof (int) * array
->numsizes
);
716 for (i
= 0; i
< array
->numsizes
; ++i
)
717 array
->sizes
[i
] = decode_value (p
, &p
);
719 array
->numlobounds
= decode_value (p
, &p
);
720 if (array
->numlobounds
)
721 array
->lobounds
= (int *)g_malloc0 (sizeof (int) * array
->numlobounds
);
722 for (i
= 0; i
< array
->numlobounds
; ++i
)
723 array
->lobounds
[i
] = decode_value (p
, &p
);
724 t
->data
.array
= array
;
728 case MONO_TYPE_MVAR
: {
729 MonoClass
*klass
= decode_klass_ref (module
, p
, &p
, error
);
732 t
->data
.generic_param
= klass
->byval_arg
.data
.generic_param
;
736 mono_error_set_bad_image_name (error
, module
->aot_name
, "Invalid encoded type %d", t
->type
);
748 // FIXME: Error handling, memory management
750 static MonoMethodSignature
*
751 decode_signature_with_target (MonoAotModule
*module
, MonoMethodSignature
*target
, guint8
*buf
, guint8
**endbuf
)
754 MonoMethodSignature
*sig
;
756 int i
, gen_param_count
= 0, param_count
, call_conv
;
758 gboolean hasthis
, explicit_this
, has_gen_params
;
762 has_gen_params
= (flags
& 0x10) != 0;
763 hasthis
= (flags
& 0x20) != 0;
764 explicit_this
= (flags
& 0x40) != 0;
765 call_conv
= flags
& 0x0F;
768 gen_param_count
= decode_value (p
, &p
);
769 param_count
= decode_value (p
, &p
);
770 if (target
&& param_count
!= target
->param_count
)
772 sig
= (MonoMethodSignature
*)g_malloc0 (MONO_SIZEOF_METHOD_SIGNATURE
+ param_count
* sizeof (MonoType
*));
773 sig
->param_count
= param_count
;
774 sig
->sentinelpos
= -1;
775 sig
->hasthis
= hasthis
;
776 sig
->explicit_this
= explicit_this
;
777 sig
->call_convention
= call_conv
;
778 sig
->generic_param_count
= gen_param_count
;
779 sig
->ret
= decode_type (module
, p
, &p
, &error
);
782 for (i
= 0; i
< param_count
; ++i
) {
783 if (*p
== MONO_TYPE_SENTINEL
) {
784 g_assert (sig
->call_convention
== MONO_CALL_VARARG
);
785 sig
->sentinelpos
= i
;
788 sig
->params
[i
] = decode_type (module
, p
, &p
, &error
);
789 if (!sig
->params
[i
])
793 if (sig
->call_convention
== MONO_CALL_VARARG
&& sig
->sentinelpos
== -1)
794 sig
->sentinelpos
= sig
->param_count
;
800 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
805 static MonoMethodSignature
*
806 decode_signature (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
)
808 return decode_signature_with_target (module
, NULL
, buf
, endbuf
);
812 sig_matches_target (MonoAotModule
*module
, MonoMethod
*target
, guint8
*buf
, guint8
**endbuf
)
814 MonoMethodSignature
*sig
;
818 sig
= decode_signature_with_target (module
, mono_method_signature (target
), p
, &p
);
819 res
= sig
&& mono_metadata_signature_equal (mono_method_signature (target
), sig
);
825 /* Stores information returned by decode_method_ref () */
830 gboolean no_aot_trampoline
;
834 * decode_method_ref_with_target:
836 * Decode a method reference, storing the image/token into a MethodRef structure.
837 * This avoids loading metadata for the method if the caller does not need it. If the method has
838 * no token, then it is loaded from metadata and ref->method is set to the method instance.
839 * If TARGET is non-NULL, abort decoding if it can be determined that the decoded method
840 * couldn't resolve to TARGET, and return FALSE.
841 * There are some kinds of method references which only support a non-null TARGET.
842 * This means that its not possible to decode this into a method, only to check
843 * that the method reference matches a given method. This is normally not a problem
844 * as these wrappers only occur in the extra_methods table, where we already have
845 * a method we want to lookup.
847 * If there was a decoding error, we return FALSE and set @error
850 decode_method_ref_with_target (MonoAotModule
*module
, MethodRef
*ref
, MonoMethod
*target
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
852 guint32 image_index
, value
;
853 MonoImage
*image
= NULL
;
856 memset (ref
, 0, sizeof (MethodRef
));
859 value
= decode_value (p
, &p
);
860 image_index
= value
>> 24;
862 if (image_index
== MONO_AOT_METHODREF_NO_AOT_TRAMPOLINE
) {
863 ref
->no_aot_trampoline
= TRUE
;
864 value
= decode_value (p
, &p
);
865 image_index
= value
>> 24;
868 if (image_index
< MONO_AOT_METHODREF_MIN
|| image_index
== MONO_AOT_METHODREF_METHODSPEC
|| image_index
== MONO_AOT_METHODREF_GINST
) {
869 if (target
&& target
->wrapper_type
) {
874 if (image_index
== MONO_AOT_METHODREF_WRAPPER
) {
876 guint32 wrapper_type
;
878 wrapper_type
= decode_value (p
, &p
);
880 if (target
&& target
->wrapper_type
!= wrapper_type
)
884 image
= mono_defaults
.corlib
;
886 switch (wrapper_type
) {
887 #ifndef DISABLE_REMOTING
888 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK
: {
889 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
892 mono_class_init (m
->klass
);
896 ref
->method
= mono_marshal_get_remoting_invoke_with_check (m
);
899 case MONO_WRAPPER_PROXY_ISINST
: {
900 MonoClass
*klass
= decode_klass_ref (module
, p
, &p
, error
);
903 ref
->method
= mono_marshal_get_proxy_cancast (klass
);
906 case MONO_WRAPPER_LDFLD
:
907 case MONO_WRAPPER_LDFLDA
:
908 case MONO_WRAPPER_STFLD
: {
909 MonoClass
*klass
= decode_klass_ref (module
, p
, &p
, error
);
912 if (wrapper_type
== MONO_WRAPPER_LDFLD
)
913 ref
->method
= mono_marshal_get_ldfld_wrapper (&klass
->byval_arg
);
914 else if (wrapper_type
== MONO_WRAPPER_LDFLDA
)
915 ref
->method
= mono_marshal_get_ldflda_wrapper (&klass
->byval_arg
);
916 else if (wrapper_type
== MONO_WRAPPER_STFLD
)
917 ref
->method
= mono_marshal_get_stfld_wrapper (&klass
->byval_arg
);
919 mono_error_set_bad_image_name (error
, module
->aot_name
, "Unknown AOT wrapper type %d", wrapper_type
);
925 case MONO_WRAPPER_ALLOC
: {
926 int atype
= decode_value (p
, &p
);
927 ManagedAllocatorVariant variant
=
928 mono_profiler_allocations_enabled () ?
929 MANAGED_ALLOCATOR_PROFILER
: MANAGED_ALLOCATOR_REGULAR
;
931 ref
->method
= mono_gc_get_managed_allocator_by_type (atype
, variant
);
932 /* Try to fallback to the slow path version */
934 ref
->method
= mono_gc_get_managed_allocator_by_type (atype
, MANAGED_ALLOCATOR_SLOW_PATH
);
936 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");
941 case MONO_WRAPPER_WRITE_BARRIER
: {
942 ref
->method
= mono_gc_get_write_barrier ();
945 case MONO_WRAPPER_STELEMREF
: {
946 int subtype
= decode_value (p
, &p
);
948 if (subtype
== WRAPPER_SUBTYPE_NONE
) {
949 ref
->method
= mono_marshal_get_stelemref ();
950 } else if (subtype
== WRAPPER_SUBTYPE_VIRTUAL_STELEMREF
) {
953 kind
= decode_value (p
, &p
);
955 /* Can't decode this */
958 if (target
->wrapper_type
== MONO_WRAPPER_STELEMREF
) {
959 info
= mono_marshal_get_wrapper_info (target
);
962 if (info
->subtype
== subtype
&& info
->d
.virtual_stelemref
.kind
== kind
)
963 ref
->method
= target
;
970 mono_error_set_bad_image_name (error
, module
->aot_name
, "Invalid STELEMREF subtype %d", subtype
);
975 case MONO_WRAPPER_SYNCHRONIZED
: {
976 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
979 ref
->method
= mono_marshal_get_synchronized_wrapper (m
);
982 case MONO_WRAPPER_UNKNOWN
: {
983 int subtype
= decode_value (p
, &p
);
985 if (subtype
== WRAPPER_SUBTYPE_PTR_TO_STRUCTURE
|| subtype
== WRAPPER_SUBTYPE_STRUCTURE_TO_PTR
) {
986 MonoClass
*klass
= decode_klass_ref (module
, p
, &p
, error
);
992 if (klass
!= target
->klass
)
995 if (subtype
== WRAPPER_SUBTYPE_PTR_TO_STRUCTURE
) {
996 if (strcmp (target
->name
, "PtrToStructure"))
998 ref
->method
= mono_marshal_get_ptr_to_struct (klass
);
1000 if (strcmp (target
->name
, "StructureToPtr"))
1002 ref
->method
= mono_marshal_get_struct_to_ptr (klass
);
1004 } else if (subtype
== WRAPPER_SUBTYPE_SYNCHRONIZED_INNER
) {
1005 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1008 ref
->method
= mono_marshal_get_synchronized_inner_wrapper (m
);
1009 } else if (subtype
== WRAPPER_SUBTYPE_ARRAY_ACCESSOR
) {
1010 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1013 ref
->method
= mono_marshal_get_array_accessor_wrapper (m
);
1014 } else if (subtype
== WRAPPER_SUBTYPE_GSHAREDVT_IN
) {
1015 ref
->method
= mono_marshal_get_gsharedvt_in_wrapper ();
1016 } else if (subtype
== WRAPPER_SUBTYPE_GSHAREDVT_OUT
) {
1017 ref
->method
= mono_marshal_get_gsharedvt_out_wrapper ();
1018 } else if (subtype
== WRAPPER_SUBTYPE_INTERP_IN
) {
1019 ref
->method
= mini_get_interp_in_wrapper (target
->signature
);
1020 } else if (subtype
== WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG
) {
1021 MonoMethodSignature
*sig
= decode_signature (module
, p
, &p
);
1024 ref
->method
= mini_get_gsharedvt_in_sig_wrapper (sig
);
1025 } else if (subtype
== WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG
) {
1026 MonoMethodSignature
*sig
= decode_signature (module
, p
, &p
);
1029 ref
->method
= mini_get_gsharedvt_out_sig_wrapper (sig
);
1031 mono_error_set_bad_image_name (error
, module
->aot_name
, "Invalid UNKNOWN wrapper subtype %d", subtype
);
1036 case MONO_WRAPPER_MANAGED_TO_MANAGED
: {
1037 int subtype
= decode_value (p
, &p
);
1039 if (subtype
== WRAPPER_SUBTYPE_ELEMENT_ADDR
) {
1040 int rank
= decode_value (p
, &p
);
1041 int elem_size
= decode_value (p
, &p
);
1043 ref
->method
= mono_marshal_get_array_address (rank
, elem_size
);
1044 } else if (subtype
== WRAPPER_SUBTYPE_STRING_CTOR
) {
1047 m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1053 g_assert (target
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_MANAGED
);
1055 info
= mono_marshal_get_wrapper_info (target
);
1056 if (info
&& info
->subtype
== subtype
&& info
->d
.string_ctor
.method
== m
)
1057 ref
->method
= target
;
1063 case MONO_WRAPPER_MANAGED_TO_NATIVE
: {
1065 int subtype
= decode_value (p
, &p
);
1068 if (subtype
== WRAPPER_SUBTYPE_ICALL_WRAPPER
) {
1073 if (strcmp (target
->name
, name
) != 0)
1075 ref
->method
= target
;
1077 m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1081 /* This should only happen when looking for an extra method */
1084 if (mono_marshal_method_from_wrapper (target
) == m
)
1085 ref
->method
= target
;
1091 case MONO_WRAPPER_CASTCLASS
: {
1092 int subtype
= decode_value (p
, &p
);
1094 if (subtype
== WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE
)
1095 ref
->method
= mono_marshal_get_castclass_with_cache ();
1096 else if (subtype
== WRAPPER_SUBTYPE_ISINST_WITH_CACHE
)
1097 ref
->method
= mono_marshal_get_isinst_with_cache ();
1099 mono_error_set_bad_image_name (error
, module
->aot_name
, "Invalid CASTCLASS wrapper subtype %d", subtype
);
1104 case MONO_WRAPPER_RUNTIME_INVOKE
: {
1105 int subtype
= decode_value (p
, &p
);
1110 if (subtype
== WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC
) {
1111 if (strcmp (target
->name
, "runtime_invoke_dynamic") != 0)
1113 ref
->method
= target
;
1114 } else if (subtype
== WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT
) {
1115 /* Direct wrapper */
1116 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1119 ref
->method
= mono_marshal_get_runtime_invoke (m
, FALSE
);
1120 } else if (subtype
== WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL
) {
1121 /* Virtual direct wrapper */
1122 MonoMethod
*m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1125 ref
->method
= mono_marshal_get_runtime_invoke (m
, TRUE
);
1127 MonoMethodSignature
*sig
;
1129 sig
= decode_signature_with_target (module
, NULL
, p
, &p
);
1130 info
= mono_marshal_get_wrapper_info (target
);
1133 if (info
->subtype
!= subtype
)
1135 g_assert (info
->d
.runtime_invoke
.sig
);
1136 if (mono_metadata_signature_equal (sig
, info
->d
.runtime_invoke
.sig
))
1137 ref
->method
= target
;
1143 case MONO_WRAPPER_DELEGATE_INVOKE
:
1144 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE
:
1145 case MONO_WRAPPER_DELEGATE_END_INVOKE
: {
1146 gboolean is_inflated
= decode_value (p
, &p
);
1147 WrapperSubtype subtype
;
1151 MonoMethod
*invoke
, *wrapper
;
1153 klass
= decode_klass_ref (module
, p
, &p
, error
);
1157 switch (wrapper_type
) {
1158 case MONO_WRAPPER_DELEGATE_INVOKE
:
1159 invoke
= mono_get_delegate_invoke (klass
);
1160 wrapper
= mono_marshal_get_delegate_invoke (invoke
, NULL
);
1162 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE
:
1163 invoke
= mono_get_delegate_begin_invoke (klass
);
1164 wrapper
= mono_marshal_get_delegate_begin_invoke (invoke
);
1166 case MONO_WRAPPER_DELEGATE_END_INVOKE
:
1167 invoke
= mono_get_delegate_end_invoke (klass
);
1168 wrapper
= mono_marshal_get_delegate_end_invoke (invoke
);
1171 g_assert_not_reached ();
1176 * Due to the way mini_get_shared_method () works, we could end up with
1177 * multiple copies of the same wrapper.
1179 if (wrapper
->klass
!= target
->klass
)
1181 ref
->method
= target
;
1183 ref
->method
= wrapper
;
1187 * These wrappers are associated with a signature, not with a method.
1188 * Since we can't decode them into methods, they need a target method.
1193 if (wrapper_type
== MONO_WRAPPER_DELEGATE_INVOKE
) {
1194 subtype
= (WrapperSubtype
)decode_value (p
, &p
);
1195 info
= mono_marshal_get_wrapper_info (target
);
1197 if (info
->subtype
!= subtype
)
1200 if (subtype
!= WRAPPER_SUBTYPE_NONE
)
1204 if (sig_matches_target (module
, target
, p
, &p
))
1205 ref
->method
= target
;
1211 case MONO_WRAPPER_NATIVE_TO_MANAGED
: {
1215 m
= decode_resolve_method_ref (module
, p
, &p
, error
);
1218 klass
= decode_klass_ref (module
, p
, &p
, error
);
1221 ref
->method
= mono_marshal_get_managed_wrapper (m
, klass
, 0, error
);
1222 if (!mono_error_ok (error
))
1227 g_assert_not_reached ();
1229 } else if (image_index
== MONO_AOT_METHODREF_METHODSPEC
) {
1230 image_index
= decode_value (p
, &p
);
1231 ref
->token
= decode_value (p
, &p
);
1233 image
= load_image (module
, image_index
, error
);
1236 } else if (image_index
== MONO_AOT_METHODREF_GINST
) {
1238 MonoGenericContext ctx
;
1241 * These methods do not have a token which resolves them, so we
1242 * resolve them immediately.
1244 klass
= decode_klass_ref (module
, p
, &p
, error
);
1248 if (target
&& target
->klass
!= klass
)
1251 image_index
= decode_value (p
, &p
);
1252 ref
->token
= decode_value (p
, &p
);
1254 image
= load_image (module
, image_index
, error
);
1258 ref
->method
= mono_get_method_checked (image
, ref
->token
, NULL
, NULL
, error
);
1263 memset (&ctx
, 0, sizeof (ctx
));
1265 if (FALSE
&& mono_class_is_ginst (klass
)) {
1266 ctx
.class_inst
= mono_class_get_generic_class (klass
)->context
.class_inst
;
1267 ctx
.method_inst
= NULL
;
1269 ref
->method
= mono_class_inflate_generic_method_full_checked (ref
->method
, klass
, &ctx
, error
);
1274 memset (&ctx
, 0, sizeof (ctx
));
1276 if (!decode_generic_context (module
, &ctx
, p
, &p
, error
))
1279 ref
->method
= mono_class_inflate_generic_method_full_checked (ref
->method
, klass
, &ctx
, error
);
1283 } else if (image_index
== MONO_AOT_METHODREF_ARRAY
) {
1287 klass
= decode_klass_ref (module
, p
, &p
, error
);
1290 method_type
= decode_value (p
, &p
);
1291 switch (method_type
) {
1293 ref
->method
= mono_class_get_method_from_name (klass
, ".ctor", klass
->rank
);
1296 ref
->method
= mono_class_get_method_from_name (klass
, ".ctor", klass
->rank
* 2);
1299 ref
->method
= mono_class_get_method_from_name (klass
, "Get", -1);
1302 ref
->method
= mono_class_get_method_from_name (klass
, "Address", -1);
1305 ref
->method
= mono_class_get_method_from_name (klass
, "Set", -1);
1308 mono_error_set_bad_image_name (error
, module
->aot_name
, "Invalid METHODREF_ARRAY method type %d", method_type
);
1312 if (image_index
== MONO_AOT_METHODREF_LARGE_IMAGE_INDEX
) {
1313 image_index
= decode_value (p
, &p
);
1314 value
= decode_value (p
, &p
);
1317 ref
->token
= MONO_TOKEN_METHOD_DEF
| (value
& 0xffffff);
1319 image
= load_image (module
, image_index
, error
);
1332 decode_method_ref (MonoAotModule
*module
, MethodRef
*ref
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
1334 return decode_method_ref_with_target (module
, ref
, NULL
, buf
, endbuf
, error
);
1338 * decode_resolve_method_ref_with_target:
1340 * Similar to decode_method_ref, but resolve and return the method itself.
1343 decode_resolve_method_ref_with_target (MonoAotModule
*module
, MonoMethod
*target
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
1349 if (!decode_method_ref_with_target (module
, &ref
, target
, buf
, endbuf
, error
))
1354 mono_error_set_bad_image_name (error
, module
->aot_name
, "No image found for methodref with target");
1357 return mono_get_method_checked (ref
.image
, ref
.token
, NULL
, NULL
, error
);
1361 decode_resolve_method_ref (MonoAotModule
*module
, guint8
*buf
, guint8
**endbuf
, MonoError
*error
)
1363 return decode_resolve_method_ref_with_target (module
, NULL
, buf
, endbuf
, error
);
1366 #ifdef ENABLE_AOT_CACHE
1372 * - Add options for controlling the cache size
1373 * - Handle full cache by deleting old assemblies lru style
1374 * - Maybe add a threshold after an assembly is AOT compiled
1375 * - Add options for enabling this for specific main assemblies
1378 /* The cache directory */
1379 static char *cache_dir
;
1381 /* The number of assemblies AOTed in this run */
1382 static int cache_count
;
1384 /* Whenever to AOT in-process */
1385 static gboolean in_process
;
1388 collect_assemblies (gpointer data
, gpointer user_data
)
1390 MonoAssembly
*ass
= data
;
1391 GSList
**l
= user_data
;
1393 *l
= g_slist_prepend (*l
, ass
);
1396 #define SHA1_DIGEST_LENGTH 20
1399 * get_aot_config_hash:
1401 * Return a hash for all the version information an AOT module depends on.
1403 static G_GNUC_UNUSED
char*
1404 get_aot_config_hash (MonoAssembly
*assembly
)
1407 GSList
*l
, *assembly_list
= NULL
;
1410 guint8 digest
[SHA1_DIGEST_LENGTH
];
1413 build_info
= mono_get_runtime_build_info ();
1415 s
= g_string_new (build_info
);
1417 mono_assembly_foreach (collect_assemblies
, &assembly_list
);
1420 * The assembly list includes the current assembly as well, no need
1423 for (l
= assembly_list
; l
; l
= l
->next
) {
1424 MonoAssembly
*ass
= l
->data
;
1426 g_string_append (s
, "_");
1427 g_string_append (s
, ass
->aname
.name
);
1428 g_string_append (s
, "_");
1429 g_string_append (s
, ass
->image
->guid
);
1432 for (i
= 0; i
< s
->len
; ++i
) {
1433 if (!isalnum (s
->str
[i
]) && s
->str
[i
] != '-')
1437 mono_sha1_get_digest ((guint8
*)s
->str
, s
->len
, digest
);
1439 digest_str
= g_malloc0 ((SHA1_DIGEST_LENGTH
* 2) + 1);
1440 for (i
= 0; i
< SHA1_DIGEST_LENGTH
; ++i
)
1441 sprintf (digest_str
+ (i
* 2), "%02x", digest
[i
]);
1443 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: file dependencies: %s, hash %s", s
->str
, digest_str
);
1445 g_string_free (s
, TRUE
);
1451 aot_cache_init (void)
1455 enable_aot_cache
= TRUE
;
1460 * aot_cache_load_module:
1462 * Load the AOT image corresponding to ASSEMBLY from the aot cache, AOTing it if neccessary.
1465 aot_cache_load_module (MonoAssembly
*assembly
, char **aot_name
)
1467 MonoAotCacheConfig
*config
;
1469 char *fname
, *tmp2
, *aot_options
, *failure_fname
;
1481 if (image_is_dynamic (assembly
->image
))
1484 /* Check in the list of assemblies enabled for aot caching */
1485 config
= mono_get_aot_cache_config ();
1489 MonoDomain
*domain
= mono_domain_get ();
1490 MonoAssembly
*entry_assembly
= domain
->entry_assembly
;
1492 // FIXME: This cannot be used for mscorlib during startup, since entry_assembly is not set yet
1493 for (l
= config
->apps
; l
; l
= l
->next
) {
1496 if ((entry_assembly
&& !strcmp (entry_assembly
->aname
.name
, n
)) || (!entry_assembly
&& !strcmp (assembly
->aname
.name
, n
)))
1504 for (l
= config
->assemblies
; l
; l
= l
->next
) {
1507 if (!strcmp (assembly
->aname
.name
, n
))
1517 home
= g_get_home_dir ();
1520 cache_dir
= g_strdup_printf ("%s/Library/Caches/mono/aot-cache", home
);
1521 if (!g_file_test (cache_dir
, G_FILE_TEST_EXISTS
|G_FILE_TEST_IS_DIR
))
1522 g_mkdir_with_parents (cache_dir
, 0777);
1526 * The same assembly can be used in multiple configurations, i.e. multiple
1527 * versions of the runtime, with multiple versions of dependent assemblies etc.
1528 * To handle this, we compute a version string containing all this information, hash it,
1529 * and use the hash as a filename suffix.
1531 hash
= get_aot_config_hash (assembly
);
1533 tmp2
= g_strdup_printf ("%s-%s%s", assembly
->image
->assembly_name
, hash
, MONO_SOLIB_EXT
);
1534 fname
= g_build_filename (cache_dir
, tmp2
, NULL
);
1538 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: loading from cache: '%s'.", fname
);
1539 module
= mono_dl_open (fname
, MONO_DL_LAZY
, NULL
);
1542 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: found in cache: '%s'.", fname
);
1546 if (!strcmp (assembly
->aname
.name
, "mscorlib") && !mscorlib_aot_loaded
)
1548 * Can't AOT this during startup, so we AOT it when called later from
1549 * mono_aot_get_method ().
1553 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: not found.");
1555 /* Only AOT one assembly per run to avoid slowing down execution too much */
1556 if (cache_count
> 0)
1560 /* Check for previous failure */
1561 failure_fname
= g_strdup_printf ("%s.failure", fname
);
1562 failure_file
= fopen (failure_fname
, "r");
1564 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: assembly '%s' previously failed to compile '%s' ('%s')... ", assembly
->image
->name
, fname
, failure_fname
);
1565 g_free (failure_fname
);
1568 g_free (failure_fname
);
1569 fclose (failure_file
);
1572 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: compiling assembly '%s', logfile: '%s.log'... ", assembly
->image
->name
, fname
);
1575 * We need to invoke the AOT compiler here. There are multiple approaches:
1576 * - spawn a new runtime process. This can be hard when running with mkbundle, and
1577 * its hard to make the new process load the same set of assemblies.
1578 * - doing it in-process. This exposes the current process to bugs/leaks/side effects of
1580 * - fork a new process and do the work there.
1583 aot_options
= g_strdup_printf ("outfile=%s,internal-logfile=%s.log%s%s", fname
, fname
, config
->aot_options
? "," : "", config
->aot_options
? config
->aot_options
: "");
1584 /* Maybe due this in another thread ? */
1585 res
= mono_compile_assembly (assembly
, mono_parse_default_optimizations (NULL
), aot_options
);
1587 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: compilation failed.");
1588 failure_fname
= g_strdup_printf ("%s.failure", fname
);
1589 failure_file
= fopen (failure_fname
, "a+");
1590 fclose (failure_file
);
1591 g_free (failure_fname
);
1593 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: compilation succeeded.");
1597 * - Avoid waiting for the aot process to finish ?
1598 * (less overhead, but multiple processes could aot the same assembly at the same time)
1607 logfile_name
= g_strdup_printf ("%s/aot.log", cache_dir
);
1608 logfile
= fopen (logfile_name
, "a+");
1609 g_free (logfile_name
);
1611 dup2 (fileno (logfile
), 1);
1612 dup2 (fileno (logfile
), 2);
1614 aot_options
= g_strdup_printf ("outfile=%s", fname
);
1615 res
= mono_compile_assembly (assembly
, mono_parse_default_optimizations (NULL
), aot_options
);
1623 waitpid (pid
, &exit_status
, 0);
1624 if (!WIFEXITED (exit_status
) && (WEXITSTATUS (exit_status
) == 0))
1625 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: failed.");
1627 mono_trace (G_LOG_LEVEL_MESSAGE
, MONO_TRACE_AOT
, "AOT: succeeded.");
1631 module
= mono_dl_open (fname
, MONO_DL_LAZY
, NULL
);
1639 aot_cache_init (void)
1644 aot_cache_load_module (MonoAssembly
*assembly
, char **aot_name
)
1652 find_symbol (MonoDl
*module
, gpointer
*globals
, const char *name
, gpointer
*value
)
1656 guint16
*table
, *entry
;
1659 char *symbol
= (char*)name
;
1662 symbol
= g_strdup_printf ("_%s", name
);
1665 /* The first entry points to the hash */
1666 table
= (guint16
*)globals
[0];
1669 table_size
= table
[0];
1672 hash
= mono_metadata_str_hash (symbol
) % table_size
;
1674 entry
= &table
[hash
* 2];
1676 /* Search the hash for the index into the globals table */
1678 while (entry
[0] != 0) {
1679 guint32 index
= entry
[0] - 1;
1680 guint32 next
= entry
[1];
1682 //printf ("X: %s %s\n", (char*)globals [index * 2], name);
1684 if (!strcmp (globals
[index
* 2], symbol
)) {
1685 global_index
= index
;
1690 entry
= &table
[next
* 2];
1696 if (global_index
!= -1)
1697 *value
= globals
[global_index
* 2 + 1];
1704 char *err
= mono_dl_symbol (module
, name
, value
);
1712 find_amodule_symbol (MonoAotModule
*amodule
, const char *name
, gpointer
*value
)
1714 g_assert (!(amodule
->info
.flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
));
1716 find_symbol (amodule
->sofile
, amodule
->globals
, name
, value
);
1720 mono_install_load_aot_data_hook (MonoLoadAotDataFunc load_func
, MonoFreeAotDataFunc free_func
, gpointer user_data
)
1722 aot_data_load_func
= load_func
;
1723 aot_data_free_func
= free_func
;
1724 aot_data_func_user_data
= user_data
;
1727 /* Load the separate aot data file for ASSEMBLY */
1729 open_aot_data (MonoAssembly
*assembly
, MonoAotFileInfo
*info
, void **ret_handle
)
1735 if (aot_data_load_func
) {
1736 data
= aot_data_load_func (assembly
, info
->datafile_size
, aot_data_func_user_data
, ret_handle
);
1742 * Use <assembly name>.aotdata as the default implementation if no callback is given
1744 filename
= g_strdup_printf ("%s.aotdata", assembly
->image
->name
);
1745 map
= mono_file_map_open (filename
);
1747 data
= mono_file_map (info
->datafile_size
, MONO_MMAP_READ
, mono_file_map_fd (map
), 0, ret_handle
);
1754 check_usable (MonoAssembly
*assembly
, MonoAotFileInfo
*info
, guint8
*blob
, char **out_msg
)
1758 gboolean usable
= TRUE
;
1759 gboolean full_aot
, safepoints
;
1760 guint32 excluded_cpu_optimizations
;
1762 if (strcmp (assembly
->image
->guid
, info
->assembly_guid
)) {
1763 msg
= g_strdup_printf ("doesn't match assembly");
1767 build_info
= mono_get_runtime_build_info ();
1768 if (strlen ((const char *)info
->runtime_version
) > 0 && strcmp (info
->runtime_version
, build_info
)) {
1769 msg
= g_strdup_printf ("compiled against runtime version '%s' while this runtime has version '%s'", info
->runtime_version
, build_info
);
1772 g_free (build_info
);
1774 full_aot
= info
->flags
& MONO_AOT_FILE_FLAG_FULL_AOT
;
1776 if (mono_aot_only
&& !full_aot
) {
1777 msg
= g_strdup_printf ("not compiled with --aot=full");
1780 if (!mono_aot_only
&& full_aot
) {
1781 msg
= g_strdup_printf ("compiled with --aot=full");
1784 if (mono_llvm_only
&& !(info
->flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) {
1785 msg
= g_strdup_printf ("not compiled with --aot=llvmonly");
1788 if (mini_get_debug_options ()->mdb_optimizations
&& !(info
->flags
& MONO_AOT_FILE_FLAG_DEBUG
) && !full_aot
) {
1789 msg
= g_strdup_printf ("not compiled for debugging");
1793 mono_arch_cpu_optimizations (&excluded_cpu_optimizations
);
1794 if (info
->opts
& excluded_cpu_optimizations
) {
1795 msg
= g_strdup_printf ("compiled with unsupported CPU optimizations");
1799 if (!mono_aot_only
&& (info
->simd_opts
& ~mono_arch_cpu_enumerate_simd_versions ())) {
1800 msg
= g_strdup_printf ("compiled with unsupported SIMD extensions");
1804 if (info
->gc_name_index
!= -1) {
1805 char *gc_name
= (char*)&blob
[info
->gc_name_index
];
1806 const char *current_gc_name
= mono_gc_get_gc_name ();
1808 if (strcmp (current_gc_name
, gc_name
) != 0) {
1809 msg
= g_strdup_printf ("compiled against GC %s, while the current runtime uses GC %s.\n", gc_name
, current_gc_name
);
1814 safepoints
= info
->flags
& MONO_AOT_FILE_FLAG_SAFEPOINTS
;
1816 if (!safepoints
&& mono_threads_is_coop_enabled ()) {
1817 msg
= g_strdup_printf ("not compiled with safepoints");
1826 * TABLE should point to a table of call instructions. Return the address called by the INDEXth entry.
1829 get_call_table_entry (void *table
, int index
)
1831 #if defined(TARGET_ARM)
1836 ins_addr
= (guint32
*)table
+ index
;
1838 if ((ins
>> ARMCOND_SHIFT
) == ARMCOND_NV
) {
1840 offset
= (((int)(((ins
& 0xffffff) << 1) | ((ins
>> 24) & 0x1))) << 7) >> 7;
1841 return (char*)ins_addr
+ (offset
* 2) + 8 + 1;
1843 offset
= (((int)ins
& 0xffffff) << 8) >> 8;
1844 return (char*)ins_addr
+ (offset
* 4) + 8;
1846 #elif defined(TARGET_ARM64)
1847 return mono_arch_get_call_target ((guint8
*)table
+ (index
* 4) + 4);
1848 #elif defined(TARGET_X86) || defined(TARGET_AMD64)
1849 /* The callee expects an ip which points after the call */
1850 return mono_arch_get_call_target ((guint8
*)table
+ (index
* 5) + 5);
1852 g_assert_not_reached ();
1860 * Initialize the shared got entries for AMODULE.
1863 init_amodule_got (MonoAotModule
*amodule
)
1867 MonoJumpInfo
*patches
;
1868 guint32 got_offsets
[128];
1872 /* These can't be initialized in load_aot_module () */
1873 if (amodule
->shared_got
[0] || amodule
->got_initializing
)
1876 amodule
->got_initializing
= TRUE
;
1878 mp
= mono_mempool_new ();
1879 npatches
= amodule
->info
.nshared_got_entries
;
1880 for (i
= 0; i
< npatches
; ++i
)
1881 got_offsets
[i
] = i
;
1882 patches
= decode_patches (amodule
, mp
, npatches
, FALSE
, got_offsets
);
1884 for (i
= 0; i
< npatches
; ++i
) {
1887 if (ji
->type
== MONO_PATCH_INFO_GC_CARD_TABLE_ADDR
&& !mono_gc_is_moving ()) {
1888 amodule
->shared_got
[i
] = NULL
;
1889 } else if (ji
->type
== MONO_PATCH_INFO_GC_NURSERY_START
&& !mono_gc_is_moving ()) {
1890 amodule
->shared_got
[i
] = NULL
;
1891 } else if (ji
->type
== MONO_PATCH_INFO_GC_NURSERY_BITS
&& !mono_gc_is_moving ()) {
1892 amodule
->shared_got
[i
] = NULL
;
1893 } else if (ji
->type
== MONO_PATCH_INFO_IMAGE
) {
1894 amodule
->shared_got
[i
] = amodule
->assembly
->image
;
1895 } else if (ji
->type
== MONO_PATCH_INFO_MSCORLIB_GOT_ADDR
) {
1896 if (mono_defaults
.corlib
) {
1897 MonoAotModule
*mscorlib_amodule
= (MonoAotModule
*)mono_defaults
.corlib
->aot_module
;
1899 if (mscorlib_amodule
)
1900 amodule
->shared_got
[i
] = mscorlib_amodule
->got
;
1902 amodule
->shared_got
[i
] = amodule
->got
;
1904 } else if (ji
->type
== MONO_PATCH_INFO_AOT_MODULE
) {
1905 amodule
->shared_got
[i
] = amodule
;
1907 amodule
->shared_got
[i
] = mono_resolve_patch_target (NULL
, mono_get_root_domain (), NULL
, ji
, FALSE
, &error
);
1908 mono_error_assert_ok (&error
);
1913 for (i
= 0; i
< npatches
; ++i
)
1914 amodule
->got
[i
] = amodule
->shared_got
[i
];
1916 if (amodule
->llvm_got
) {
1917 for (i
= 0; i
< npatches
; ++i
)
1918 amodule
->llvm_got
[i
] = amodule
->shared_got
[i
];
1921 mono_mempool_destroy (mp
);
1925 load_aot_module (MonoAssembly
*assembly
, gpointer user_data
)
1927 char *aot_name
, *found_aot_name
;
1928 MonoAotModule
*amodule
;
1930 gboolean usable
= TRUE
;
1931 char *version_symbol
= NULL
;
1933 gpointer
*globals
= NULL
;
1934 MonoAotFileInfo
*info
= NULL
;
1936 gboolean do_load_image
= TRUE
;
1937 int align_double
, align_int64
;
1938 guint8
*aot_data
= NULL
;
1940 if (mono_compile_aot
)
1943 if (assembly
->image
->aot_module
)
1945 * Already loaded. This can happen because the assembly loading code might invoke
1946 * the assembly load hooks multiple times for the same assembly.
1950 if (image_is_dynamic (assembly
->image
) || assembly
->ref_only
|| mono_domain_get () != mono_get_root_domain ())
1954 if (static_aot_modules
)
1955 info
= (MonoAotFileInfo
*)g_hash_table_lookup (static_aot_modules
, assembly
->aname
.name
);
1962 found_aot_name
= NULL
;
1965 /* Statically linked AOT module */
1966 aot_name
= g_strdup_printf ("%s", assembly
->aname
.name
);
1967 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "Found statically linked AOT module '%s'.", aot_name
);
1968 if (!(info
->flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) {
1969 globals
= (void **)info
->globals
;
1972 found_aot_name
= g_strdup (aot_name
);
1976 if (enable_aot_cache
)
1977 sofile
= aot_cache_load_module (assembly
, &aot_name
);
1979 aot_name
= g_strdup_printf ("%s%s", assembly
->image
->name
, MONO_SOLIB_EXT
);
1981 sofile
= mono_dl_open (aot_name
, MONO_DL_LAZY
, &err
);
1983 found_aot_name
= g_strdup (aot_name
);
1985 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' not found: %s", aot_name
, err
);
1991 char *basename
= g_path_get_basename (assembly
->image
->name
);
1992 aot_name
= g_strdup_printf ("%s/mono/aot-cache/%s/%s%s", mono_assembly_getrootdir(), MONO_ARCHITECTURE
, basename
, MONO_SOLIB_EXT
);
1994 sofile
= mono_dl_open (aot_name
, MONO_DL_LAZY
, &err
);
1996 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' not found: %s", aot_name
, err
);
2004 for (l
= mono_aot_paths
; l
; l
= l
->next
) {
2005 char *path
= l
->data
;
2007 char *basename
= g_path_get_basename (assembly
->image
->name
);
2008 aot_name
= g_strdup_printf ("%s/%s%s", path
, basename
, MONO_SOLIB_EXT
);
2009 sofile
= mono_dl_open (aot_name
, MONO_DL_LAZY
, &err
);
2011 found_aot_name
= g_strdup (aot_name
);
2013 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' not found: %s", aot_name
, err
);
2023 if (mono_aot_only
&& !mono_use_interpreter
&& assembly
->image
->tables
[MONO_TABLE_METHOD
].rows
) {
2024 aot_name
= g_strdup_printf ("%s%s", assembly
->image
->name
, MONO_SOLIB_EXT
);
2025 g_error ("Failed to load AOT module '%s' in aot-only mode.\n", aot_name
);
2033 find_symbol (sofile
, globals
, "mono_aot_version", (gpointer
*) &version_symbol
);
2034 find_symbol (sofile
, globals
, "mono_aot_file_info", (gpointer
*)&info
);
2037 // Copy aotid to MonoImage
2038 memcpy(&assembly
->image
->aotid
, info
->aotid
, 16);
2040 if (version_symbol
) {
2041 /* Old file format */
2042 version
= atoi (version_symbol
);
2045 version
= info
->version
;
2048 if (version
!= MONO_AOT_FILE_VERSION
) {
2049 msg
= g_strdup_printf ("wrong file format version (expected %d got %d)", MONO_AOT_FILE_VERSION
, version
);
2055 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
) {
2056 aot_data
= open_aot_data (assembly
, info
, &handle
);
2058 blob
= aot_data
+ info
->table_offsets
[MONO_AOT_TABLE_BLOB
];
2060 blob
= (guint8
*)info
->blob
;
2063 usable
= check_usable (assembly
, info
, blob
, &msg
);
2067 if (mono_aot_only
&& !mono_use_interpreter
) {
2068 g_error ("Failed to load AOT module '%s' while running in aot-only mode: %s.\n", found_aot_name
, msg
);
2070 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: module %s is unusable: %s.", found_aot_name
, msg
);
2073 g_free (found_aot_name
);
2075 mono_dl_close (sofile
);
2076 assembly
->image
->aot_module
= NULL
;
2081 align_double
= MONO_ABI_ALIGNOF (double);
2082 align_int64
= MONO_ABI_ALIGNOF (gint64
);
2083 g_assert (info
->double_align
== align_double
);
2084 g_assert (info
->long_align
== align_int64
);
2085 g_assert (info
->generic_tramp_num
== MONO_TRAMPOLINE_NUM
);
2087 amodule
= g_new0 (MonoAotModule
, 1);
2088 amodule
->aot_name
= found_aot_name
;
2089 amodule
->assembly
= assembly
;
2091 memcpy (&amodule
->info
, info
, sizeof (*info
));
2093 amodule
->got
= (void **)amodule
->info
.jit_got
;
2094 amodule
->llvm_got
= (void **)amodule
->info
.llvm_got
;
2095 amodule
->globals
= globals
;
2096 amodule
->sofile
= sofile
;
2097 amodule
->method_to_code
= g_hash_table_new (mono_aligned_addr_hash
, NULL
);
2098 amodule
->extra_methods
= g_hash_table_new (NULL
, NULL
);
2099 amodule
->shared_got
= g_new0 (gpointer
, info
->nshared_got_entries
);
2101 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
) {
2102 for (i
= 0; i
< MONO_AOT_TABLE_NUM
; ++i
)
2103 amodule
->tables
[i
] = aot_data
+ info
->table_offsets
[i
];
2106 mono_os_mutex_init_recursive (&amodule
->mutex
);
2108 /* Read image table */
2110 guint32 table_len
, i
;
2113 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
)
2114 table
= amodule
->tables
[MONO_AOT_TABLE_IMAGE_TABLE
];
2116 table
= (char *)info
->image_table
;
2119 table_len
= *(guint32
*)table
;
2120 table
+= sizeof (guint32
);
2121 amodule
->image_table
= g_new0 (MonoImage
*, table_len
);
2122 amodule
->image_names
= g_new0 (MonoAssemblyName
, table_len
);
2123 amodule
->image_guids
= g_new0 (char*, table_len
);
2124 amodule
->image_table_len
= table_len
;
2125 for (i
= 0; i
< table_len
; ++i
) {
2126 MonoAssemblyName
*aname
= &(amodule
->image_names
[i
]);
2128 aname
->name
= g_strdup (table
);
2129 table
+= strlen (table
) + 1;
2130 amodule
->image_guids
[i
] = g_strdup (table
);
2131 table
+= strlen (table
) + 1;
2133 aname
->culture
= g_strdup (table
);
2134 table
+= strlen (table
) + 1;
2135 memcpy (aname
->public_key_token
, table
, strlen (table
) + 1);
2136 table
+= strlen (table
) + 1;
2138 table
= (char *)ALIGN_PTR_TO (table
, 8);
2139 aname
->flags
= *(guint32
*)table
;
2141 aname
->major
= *(guint32
*)table
;
2143 aname
->minor
= *(guint32
*)table
;
2145 aname
->build
= *(guint32
*)table
;
2147 aname
->revision
= *(guint32
*)table
;
2152 amodule
->jit_code_start
= (guint8
*)info
->jit_code_start
;
2153 amodule
->jit_code_end
= (guint8
*)info
->jit_code_end
;
2154 if (info
->flags
& MONO_AOT_FILE_FLAG_SEPARATE_DATA
) {
2155 amodule
->blob
= amodule
->tables
[MONO_AOT_TABLE_BLOB
];
2156 amodule
->method_info_offsets
= amodule
->tables
[MONO_AOT_TABLE_METHOD_INFO_OFFSETS
];
2157 amodule
->ex_info_offsets
= amodule
->tables
[MONO_AOT_TABLE_EX_INFO_OFFSETS
];
2158 amodule
->class_info_offsets
= amodule
->tables
[MONO_AOT_TABLE_CLASS_INFO_OFFSETS
];
2159 amodule
->class_name_table
= amodule
->tables
[MONO_AOT_TABLE_CLASS_NAME
];
2160 amodule
->extra_method_table
= amodule
->tables
[MONO_AOT_TABLE_EXTRA_METHOD_TABLE
];
2161 amodule
->extra_method_info_offsets
= amodule
->tables
[MONO_AOT_TABLE_EXTRA_METHOD_INFO_OFFSETS
];
2162 amodule
->got_info_offsets
= amodule
->tables
[MONO_AOT_TABLE_GOT_INFO_OFFSETS
];
2163 amodule
->llvm_got_info_offsets
= amodule
->tables
[MONO_AOT_TABLE_LLVM_GOT_INFO_OFFSETS
];
2165 amodule
->blob
= info
->blob
;
2166 amodule
->method_info_offsets
= (guint32
*)info
->method_info_offsets
;
2167 amodule
->ex_info_offsets
= (guint32
*)info
->ex_info_offsets
;
2168 amodule
->class_info_offsets
= (guint32
*)info
->class_info_offsets
;
2169 amodule
->class_name_table
= (guint16
*)info
->class_name_table
;
2170 amodule
->extra_method_table
= (guint32
*)info
->extra_method_table
;
2171 amodule
->extra_method_info_offsets
= (guint32
*)info
->extra_method_info_offsets
;
2172 amodule
->got_info_offsets
= info
->got_info_offsets
;
2173 amodule
->llvm_got_info_offsets
= info
->llvm_got_info_offsets
;
2175 amodule
->unbox_trampolines
= (guint32
*)info
->unbox_trampolines
;
2176 amodule
->unbox_trampolines_end
= (guint32
*)info
->unbox_trampolines_end
;
2177 amodule
->unbox_trampoline_addresses
= (guint32
*)info
->unbox_trampoline_addresses
;
2178 amodule
->unwind_info
= (guint8
*)info
->unwind_info
;
2179 amodule
->mem_begin
= amodule
->jit_code_start
;
2180 amodule
->mem_end
= (guint8
*)info
->mem_end
;
2181 amodule
->plt
= (guint8
*)info
->plt
;
2182 amodule
->plt_end
= (guint8
*)info
->plt_end
;
2183 amodule
->mono_eh_frame
= (guint8
*)info
->mono_eh_frame
;
2184 amodule
->trampolines
[MONO_AOT_TRAMP_SPECIFIC
] = (guint8
*)info
->specific_trampolines
;
2185 amodule
->trampolines
[MONO_AOT_TRAMP_STATIC_RGCTX
] = (guint8
*)info
->static_rgctx_trampolines
;
2186 amodule
->trampolines
[MONO_AOT_TRAMP_IMT
] = (guint8
*)info
->imt_trampolines
;
2187 amodule
->trampolines
[MONO_AOT_TRAMP_GSHAREDVT_ARG
] = (guint8
*)info
->gsharedvt_arg_trampolines
;
2189 if (!strcmp (assembly
->aname
.name
, "mscorlib"))
2190 mscorlib_aot_module
= amodule
;
2192 /* Compute method addresses */
2193 amodule
->methods
= (void **)g_malloc0 (amodule
->info
.nmethods
* sizeof (gpointer
));
2194 for (i
= 0; i
< amodule
->info
.nmethods
; ++i
) {
2197 if (amodule
->info
.llvm_get_method
) {
2198 gpointer (*get_method
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_method
;
2200 addr
= get_method (i
);
2203 /* method_addresses () contains a table of branches, since the ios linker can update those correctly */
2204 if (!addr
&& amodule
->info
.method_addresses
) {
2205 addr
= get_call_table_entry (amodule
->info
.method_addresses
, i
);
2207 if (addr
== amodule
->info
.method_addresses
)
2211 amodule
->methods
[i
] = GINT_TO_POINTER (-1);
2213 amodule
->methods
[i
] = addr
;
2216 if (make_unreadable
) {
2217 #ifndef TARGET_WIN32
2219 guint8
*page_start
, *page_end
;
2222 addr
= amodule
->mem_begin
;
2224 len
= amodule
->mem_end
- amodule
->mem_begin
;
2226 /* Round down in both directions to avoid modifying data which is not ours */
2227 page_start
= (guint8
*) (((gssize
) (addr
)) & ~ (mono_pagesize () - 1)) + mono_pagesize ();
2228 page_end
= (guint8
*) (((gssize
) (addr
+ len
)) & ~ (mono_pagesize () - 1));
2229 if (page_end
> page_start
) {
2230 err
= mono_mprotect (page_start
, (page_end
- page_start
), MONO_MMAP_NONE
);
2231 g_assert (err
== 0);
2236 /* Compute the boundaries of LLVM code */
2237 if (info
->flags
& MONO_AOT_FILE_FLAG_WITH_LLVM
)
2238 compute_llvm_code_range (amodule
, &amodule
->llvm_code_start
, &amodule
->llvm_code_end
);
2242 if (amodule
->jit_code_start
) {
2243 aot_code_low_addr
= MIN (aot_code_low_addr
, (gsize
)amodule
->jit_code_start
);
2244 aot_code_high_addr
= MAX (aot_code_high_addr
, (gsize
)amodule
->jit_code_end
);
2246 if (amodule
->llvm_code_start
) {
2247 aot_code_low_addr
= MIN (aot_code_low_addr
, (gsize
)amodule
->llvm_code_start
);
2248 aot_code_high_addr
= MAX (aot_code_high_addr
, (gsize
)amodule
->llvm_code_end
);
2251 g_hash_table_insert (aot_modules
, assembly
, amodule
);
2254 if (amodule
->jit_code_start
)
2255 mono_jit_info_add_aot_module (assembly
->image
, amodule
->jit_code_start
, amodule
->jit_code_end
);
2256 if (amodule
->llvm_code_start
)
2257 mono_jit_info_add_aot_module (assembly
->image
, amodule
->llvm_code_start
, amodule
->llvm_code_end
);
2259 assembly
->image
->aot_module
= amodule
;
2261 if (mono_aot_only
&& !mono_llvm_only
) {
2263 find_amodule_symbol (amodule
, "specific_trampolines_page", (gpointer
*)&code
);
2264 amodule
->use_page_trampolines
= code
!= NULL
;
2265 /*g_warning ("using page trampolines: %d", amodule->use_page_trampolines);*/
2269 * Register the plt region as a single trampoline so we can unwind from this code
2271 mono_aot_tramp_info_register (
2272 mono_tramp_info_create (
2275 amodule
->plt_end
- amodule
->plt
,
2277 mono_unwind_get_cie_program ()
2283 * Since we store methoddef and classdef tokens when referring to methods/classes in
2284 * referenced assemblies, we depend on the exact versions of the referenced assemblies.
2285 * MS calls this 'hard binding'. This means we have to load all referenced assemblies
2286 * non-lazily, since we can't handle out-of-date errors later.
2287 * The cached class info also depends on the exact assemblies.
2289 if (do_load_image
) {
2290 for (i
= 0; i
< amodule
->image_table_len
; ++i
) {
2292 load_image (amodule
, i
, &error
);
2293 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
2297 if (amodule
->out_of_date
) {
2298 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: Module %s is unusable because a dependency is out-of-date.", assembly
->image
->name
);
2300 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
);
2302 mono_trace (G_LOG_LEVEL_INFO
, MONO_TRACE_AOT
, "AOT: image '%s' found.", found_aot_name
);
2307 * mono_aot_register_module:
2309 * This should be called by embedding code to register AOT modules statically linked
2310 * into the executable. AOT_INFO should be the value of the
2311 * 'mono_aot_module_<ASSEMBLY_NAME>_info' global symbol from the AOT module.
2314 mono_aot_register_module (gpointer
*aot_info
)
2318 MonoAotFileInfo
*info
= (MonoAotFileInfo
*)aot_info
;
2320 g_assert (info
->version
== MONO_AOT_FILE_VERSION
);
2322 if (!(info
->flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) {
2323 globals
= (void **)info
->globals
;
2327 aname
= (char *)info
->assembly_name
;
2329 /* This could be called before startup */
2333 if (!static_aot_modules
)
2334 static_aot_modules
= g_hash_table_new (g_str_hash
, g_str_equal
);
2336 g_hash_table_insert (static_aot_modules
, aname
, info
);
2343 mono_aot_init (void)
2345 mono_os_mutex_init_recursive (&aot_mutex
);
2346 mono_os_mutex_init_recursive (&aot_page_mutex
);
2347 aot_modules
= g_hash_table_new (NULL
, NULL
);
2349 mono_install_assembly_load_hook (load_aot_module
, NULL
);
2350 mono_counters_register ("Async JIT info size", MONO_COUNTER_INT
|MONO_COUNTER_JIT
, &async_jit_info_size
);
2352 char *lastaot
= g_getenv ("MONO_LASTAOT");
2354 mono_last_aot_method
= atoi (lastaot
);
2361 mono_aot_cleanup (void)
2363 if (aot_jit_icall_hash
)
2364 g_hash_table_destroy (aot_jit_icall_hash
);
2366 g_hash_table_destroy (aot_modules
);
2370 decode_cached_class_info (MonoAotModule
*module
, MonoCachedClassInfo
*info
, guint8
*buf
, guint8
**endbuf
)
2377 info
->vtable_size
= decode_value (buf
, &buf
);
2378 if (info
->vtable_size
== -1)
2381 flags
= decode_value (buf
, &buf
);
2382 info
->ghcimpl
= (flags
>> 0) & 0x1;
2383 info
->has_finalize
= (flags
>> 1) & 0x1;
2384 info
->has_cctor
= (flags
>> 2) & 0x1;
2385 info
->has_nested_classes
= (flags
>> 3) & 0x1;
2386 info
->blittable
= (flags
>> 4) & 0x1;
2387 info
->has_references
= (flags
>> 5) & 0x1;
2388 info
->has_static_refs
= (flags
>> 6) & 0x1;
2389 info
->no_special_static_fields
= (flags
>> 7) & 0x1;
2390 info
->is_generic_container
= (flags
>> 8) & 0x1;
2392 if (info
->has_cctor
) {
2393 res
= decode_method_ref (module
, &ref
, buf
, &buf
, &error
);
2394 mono_error_assert_ok (&error
); /* FIXME don't swallow the error */
2397 info
->cctor_token
= ref
.token
;
2399 if (info
->has_finalize
) {
2400 res
= decode_method_ref (module
, &ref
, buf
, &buf
, &error
);
2401 mono_error_assert_ok (&error
); /* FIXME don't swallow the error */
2404 info
->finalize_image
= ref
.image
;
2405 info
->finalize_token
= ref
.token
;
2408 info
->instance_size
= decode_value (buf
, &buf
);
2409 info
->class_size
= decode_value (buf
, &buf
);
2410 info
->packing_size
= decode_value (buf
, &buf
);
2411 info
->min_align
= decode_value (buf
, &buf
);
2419 mono_aot_get_method_from_vt_slot (MonoDomain
*domain
, MonoVTable
*vtable
, int slot
, MonoError
*error
)
2422 MonoClass
*klass
= vtable
->klass
;
2423 MonoAotModule
*amodule
= (MonoAotModule
*)klass
->image
->aot_module
;
2425 MonoCachedClassInfo class_info
;
2430 MonoError inner_error
;
2434 if (MONO_CLASS_IS_INTERFACE (klass
) || klass
->rank
|| !amodule
)
2437 info
= &amodule
->blob
[mono_aot_get_offset (amodule
->class_info_offsets
, mono_metadata_token_index (klass
->type_token
) - 1)];
2440 err
= decode_cached_class_info (amodule
, &class_info
, p
, &p
);
2444 for (i
= 0; i
< slot
; ++i
) {
2445 decode_method_ref (amodule
, &ref
, p
, &p
, &inner_error
);
2446 mono_error_cleanup (&inner_error
); /* FIXME don't swallow the error */
2449 res
= decode_method_ref (amodule
, &ref
, p
, &p
, &inner_error
);
2450 mono_error_cleanup (&inner_error
); /* FIXME don't swallow the error */
2453 if (ref
.no_aot_trampoline
)
2456 if (mono_metadata_token_index (ref
.token
) == 0 || mono_metadata_token_table (ref
.token
) != MONO_TABLE_METHOD
)
2459 addr
= mono_aot_get_method_from_token (domain
, ref
.image
, ref
.token
, error
);
2464 mono_aot_get_cached_class_info (MonoClass
*klass
, MonoCachedClassInfo
*res
)
2466 MonoAotModule
*amodule
= (MonoAotModule
*)klass
->image
->aot_module
;
2470 if (klass
->rank
|| !klass
->type_token
|| !amodule
)
2473 p
= (guint8
*)&amodule
->blob
[mono_aot_get_offset (amodule
->class_info_offsets
, mono_metadata_token_index (klass
->type_token
) - 1)];
2475 err
= decode_cached_class_info (amodule
, res
, p
, &p
);
2483 * mono_aot_get_class_from_name:
2485 * Obtains a MonoClass with a given namespace and a given name which is located in IMAGE,
2486 * using a cache stored in the AOT file.
2487 * Stores the resulting class in *KLASS if found, stores NULL otherwise.
2489 * Returns: TRUE if the klass was found/not found in the cache, FALSE if no aot file was
2493 mono_aot_get_class_from_name (MonoImage
*image
, const char *name_space
, const char *name
, MonoClass
**klass
)
2495 MonoAotModule
*amodule
= (MonoAotModule
*)image
->aot_module
;
2496 guint16
*table
, *entry
;
2499 char full_name_buf
[1024];
2501 const char *name2
, *name_space2
;
2503 guint32 cols
[MONO_TYPEDEF_SIZE
];
2504 GHashTable
*nspace_table
;
2506 if (!amodule
|| !amodule
->class_name_table
)
2509 amodule_lock (amodule
);
2513 /* First look in the cache */
2514 if (!amodule
->name_cache
)
2515 amodule
->name_cache
= g_hash_table_new (g_str_hash
, g_str_equal
);
2516 nspace_table
= (GHashTable
*)g_hash_table_lookup (amodule
->name_cache
, name_space
);
2518 *klass
= (MonoClass
*)g_hash_table_lookup (nspace_table
, name
);
2520 amodule_unlock (amodule
);
2525 table_size
= amodule
->class_name_table
[0];
2526 table
= amodule
->class_name_table
+ 1;
2528 if (name_space
[0] == '\0')
2529 full_name
= g_strdup_printf ("%s", name
);
2531 if (strlen (name_space
) + strlen (name
) < 1000) {
2532 sprintf (full_name_buf
, "%s.%s", name_space
, name
);
2533 full_name
= full_name_buf
;
2535 full_name
= g_strdup_printf ("%s.%s", name_space
, name
);
2538 hash
= mono_metadata_str_hash (full_name
) % table_size
;
2539 if (full_name
!= full_name_buf
)
2542 entry
= &table
[hash
* 2];
2544 if (entry
[0] != 0) {
2545 t
= &image
->tables
[MONO_TABLE_TYPEDEF
];
2548 guint32 index
= entry
[0];
2549 guint32 next
= entry
[1];
2550 guint32 token
= mono_metadata_make_token (MONO_TABLE_TYPEDEF
, index
);
2552 name_table_accesses
++;
2554 mono_metadata_decode_row (t
, index
- 1, cols
, MONO_TYPEDEF_SIZE
);
2556 name2
= mono_metadata_string_heap (image
, cols
[MONO_TYPEDEF_NAME
]);
2557 name_space2
= mono_metadata_string_heap (image
, cols
[MONO_TYPEDEF_NAMESPACE
]);
2559 if (!strcmp (name
, name2
) && !strcmp (name_space
, name_space2
)) {
2561 amodule_unlock (amodule
);
2562 *klass
= mono_class_get_checked (image
, token
, &error
);
2563 if (!mono_error_ok (&error
))
2564 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
2568 amodule_lock (amodule
);
2569 nspace_table
= (GHashTable
*)g_hash_table_lookup (amodule
->name_cache
, name_space
);
2570 if (!nspace_table
) {
2571 nspace_table
= g_hash_table_new (g_str_hash
, g_str_equal
);
2572 g_hash_table_insert (amodule
->name_cache
, (char*)name_space2
, nspace_table
);
2574 g_hash_table_insert (nspace_table
, (char*)name2
, *klass
);
2575 amodule_unlock (amodule
);
2581 entry
= &table
[next
* 2];
2588 amodule_unlock (amodule
);
2593 /* Compute the boundaries of the LLVM code for AMODULE. */
2595 compute_llvm_code_range (MonoAotModule
*amodule
, guint8
**code_start
, guint8
**code_end
)
2598 int version
, fde_count
;
2601 if (amodule
->info
.llvm_get_method
) {
2602 gpointer (*get_method
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_method
;
2604 *code_start
= (guint8
*)get_method (-1);
2605 *code_end
= (guint8
*)get_method (-2);
2607 g_assert (*code_end
> *code_start
);
2611 g_assert (amodule
->mono_eh_frame
);
2613 p
= amodule
->mono_eh_frame
;
2615 /* p points to data emitted by LLVM in DwarfException::EmitMonoEHFrame () */
2619 g_assert (version
== 3);
2622 p
= (guint8
*)ALIGN_PTR_TO (p
, 4);
2624 fde_count
= *(guint32
*)p
;
2628 if (fde_count
> 0) {
2629 *code_start
= (guint8
*)amodule
->methods
[table
[0]];
2630 *code_end
= (guint8
*)amodule
->methods
[table
[(fde_count
- 1) * 2]] + table
[fde_count
* 2];
2638 is_llvm_code (MonoAotModule
*amodule
, guint8
*code
)
2640 if ((guint8
*)code
>= amodule
->llvm_code_start
&& (guint8
*)code
< amodule
->llvm_code_end
)
2647 is_thumb_code (MonoAotModule
*amodule
, guint8
*code
)
2649 if (is_llvm_code (amodule
, code
) && (amodule
->info
.flags
& MONO_AOT_FILE_FLAG_LLVM_THUMB
))
2656 * decode_llvm_mono_eh_frame:
2658 * Decode the EH information emitted by our modified LLVM compiler and construct a
2659 * MonoJitInfo structure from it.
2660 * If JINFO is NULL, set OUT_LLVM_CLAUSES to the number of llvm level clauses.
2661 * This function is async safe when called in async context.
2664 decode_llvm_mono_eh_frame (MonoAotModule
*amodule
, MonoDomain
*domain
, MonoJitInfo
*jinfo
,
2665 guint8
*code
, guint32 code_len
,
2666 MonoJitExceptionInfo
*clauses
, int num_clauses
,
2668 int *this_reg
, int *this_offset
, int *out_llvm_clauses
)
2670 guint8
*p
, *code1
, *code2
;
2671 guint8
*fde
, *cie
, *code_start
, *code_end
;
2672 int version
, fde_count
;
2674 int i
, pos
, left
, right
;
2675 MonoJitExceptionInfo
*ei
;
2676 guint32 fde_len
, ei_len
, nested_len
, nindex
;
2677 gpointer
*type_info
;
2678 MonoLLVMFDEInfo info
;
2682 async
= mono_thread_info_is_async_context ();
2684 if (!amodule
->mono_eh_frame
) {
2686 *out_llvm_clauses
= num_clauses
;
2689 memcpy (jinfo
->clauses
, clauses
, num_clauses
* sizeof (MonoJitExceptionInfo
));
2693 g_assert (amodule
->mono_eh_frame
&& code
);
2695 p
= amodule
->mono_eh_frame
;
2697 /* p points to data emitted by LLVM in DwarfMonoException::EmitMonoEHFrame () */
2701 g_assert (version
== 3);
2703 /* func_encoding = *p; */
2705 p
= (guint8
*)ALIGN_PTR_TO (p
, 4);
2707 fde_count
= *(guint32
*)p
;
2711 /* There is +1 entry in the table */
2712 cie
= p
+ ((fde_count
+ 1) * 8);
2714 /* Binary search in the table to find the entry for code */
2718 pos
= (left
+ right
) / 2;
2720 /* The table contains method index/fde offset pairs */
2721 g_assert (table
[(pos
* 2)] != -1);
2722 code1
= (guint8
*)amodule
->methods
[table
[(pos
* 2)]];
2723 if (pos
+ 1 == fde_count
) {
2724 code2
= amodule
->llvm_code_end
;
2726 g_assert (table
[(pos
+ 1) * 2] != -1);
2727 code2
= (guint8
*)amodule
->methods
[table
[(pos
+ 1) * 2]];
2732 else if (code
>= code2
)
2738 code_start
= (guint8
*)amodule
->methods
[table
[(pos
* 2)]];
2739 if (pos
+ 1 == fde_count
) {
2740 /* The +1 entry in the table contains the length of the last method */
2741 int len
= table
[(pos
+ 1) * 2];
2742 code_end
= code_start
+ len
;
2744 code_end
= (guint8
*)amodule
->methods
[table
[(pos
+ 1) * 2]];
2747 code_len
= code_end
- code_start
;
2749 g_assert (code
>= code_start
&& code
< code_end
);
2751 if (is_thumb_code (amodule
, code_start
))
2752 /* Clear thumb flag */
2753 code_start
= (guint8
*)(((mgreg_t
)code_start
) & ~1);
2755 fde
= amodule
->mono_eh_frame
+ table
[(pos
* 2) + 1];
2756 /* This won't overflow because there is +1 entry in the table */
2757 fde_len
= table
[(pos
* 2) + 2 + 1] - table
[(pos
* 2) + 1];
2759 /* Compute lengths */
2760 mono_unwind_decode_llvm_mono_fde (fde
, fde_len
, cie
, code_start
, &info
, NULL
, NULL
, NULL
);
2763 /* These are leaked, but the leak is bounded */
2764 ei
= mono_domain_alloc0_lock_free (domain
, info
.ex_info_len
* sizeof (MonoJitExceptionInfo
));
2765 type_info
= mono_domain_alloc0_lock_free (domain
, info
.ex_info_len
* sizeof (gpointer
));
2766 unw_info
= mono_domain_alloc0_lock_free (domain
, info
.unw_info_len
);
2768 ei
= (MonoJitExceptionInfo
*)g_malloc0 (info
.ex_info_len
* sizeof (MonoJitExceptionInfo
));
2769 type_info
= (gpointer
*)g_malloc0 (info
.ex_info_len
* sizeof (gpointer
));
2770 unw_info
= (guint8
*)g_malloc0 (info
.unw_info_len
);
2772 mono_unwind_decode_llvm_mono_fde (fde
, fde_len
, cie
, code_start
, &info
, ei
, type_info
, unw_info
);
2774 ei_len
= info
.ex_info_len
;
2775 *this_reg
= info
.this_reg
;
2776 *this_offset
= info
.this_offset
;
2779 * LLVM might represent one IL region with multiple regions.
2782 /* Count number of nested clauses */
2784 for (i
= 0; i
< ei_len
; ++i
) {
2785 /* This might be unaligned */
2786 gint32 cindex1
= read32 (type_info
[i
]);
2789 for (l
= nesting
[cindex1
]; l
; l
= l
->next
)
2794 *out_llvm_clauses
= ei_len
+ nested_len
;
2798 /* Store the unwind info addr/length in the MonoJitInfo structure itself so its async safe */
2799 MonoUnwindJitInfo
*jinfo_unwind
= mono_jit_info_get_unwind_info (jinfo
);
2800 g_assert (jinfo_unwind
);
2801 jinfo_unwind
->unw_info
= unw_info
;
2802 jinfo_unwind
->unw_info_len
= info
.unw_info_len
;
2804 for (i
= 0; i
< ei_len
; ++i
) {
2806 * clauses contains the original IL exception info saved by the AOT
2807 * compiler, we have to combine that with the information produced by LLVM
2809 /* The type_info entries contain IL clause indexes */
2810 int clause_index
= read32 (type_info
[i
]);
2811 MonoJitExceptionInfo
*jei
= &jinfo
->clauses
[i
];
2812 MonoJitExceptionInfo
*orig_jei
= &clauses
[clause_index
];
2814 g_assert (clause_index
< num_clauses
);
2815 jei
->flags
= orig_jei
->flags
;
2816 jei
->data
.catch_class
= orig_jei
->data
.catch_class
;
2818 jei
->try_start
= ei
[i
].try_start
;
2819 jei
->try_end
= ei
[i
].try_end
;
2820 jei
->handler_start
= ei
[i
].handler_start
;
2821 jei
->clause_index
= clause_index
;
2823 if (is_thumb_code (amodule
, (guint8
*)jei
->try_start
)) {
2824 jei
->try_start
= (void*)((mgreg_t
)jei
->try_start
& ~1);
2825 jei
->try_end
= (void*)((mgreg_t
)jei
->try_end
& ~1);
2826 /* Make sure we transition to thumb when a handler starts */
2827 jei
->handler_start
= (void*)((mgreg_t
)jei
->handler_start
+ 1);
2831 /* See exception_cb () in mini-llvm.c as to why this is needed */
2833 for (i
= 0; i
< ei_len
; ++i
) {
2834 gint32 cindex1
= read32 (type_info
[i
]);
2837 for (l
= nesting
[cindex1
]; l
; l
= l
->next
) {
2838 gint32 nesting_cindex
= GPOINTER_TO_INT (l
->data
);
2839 MonoJitExceptionInfo
*nesting_ei
;
2840 MonoJitExceptionInfo
*nesting_clause
= &clauses
[nesting_cindex
];
2842 nesting_ei
= &jinfo
->clauses
[nindex
];
2845 memcpy (nesting_ei
, &jinfo
->clauses
[i
], sizeof (MonoJitExceptionInfo
));
2846 nesting_ei
->flags
= nesting_clause
->flags
;
2847 nesting_ei
->data
.catch_class
= nesting_clause
->data
.catch_class
;
2848 nesting_ei
->clause_index
= nesting_cindex
;
2851 g_assert (nindex
== ei_len
+ nested_len
);
2855 alloc0_jit_info_data (MonoDomain
*domain
, int size
, gboolean async_context
)
2859 if (async_context
) {
2860 res
= mono_domain_alloc0_lock_free (domain
, size
);
2861 InterlockedExchangeAdd (&async_jit_info_size
, size
);
2863 res
= mono_domain_alloc0 (domain
, size
);
2869 * LOCKING: Acquires the domain lock.
2870 * In async context, this is async safe.
2873 decode_exception_debug_info (MonoAotModule
*amodule
, MonoDomain
*domain
,
2874 MonoMethod
*method
, guint8
* ex_info
,
2875 guint8
*code
, guint32 code_len
)
2878 int i
, buf_len
, num_clauses
, len
;
2880 MonoJitInfoFlags flags
= JIT_INFO_NONE
;
2881 guint unwind_info
, eflags
;
2882 gboolean has_generic_jit_info
, has_dwarf_unwind_info
, has_clauses
, has_seq_points
, has_try_block_holes
, has_arch_eh_jit_info
;
2883 gboolean from_llvm
, has_gc_map
;
2885 int try_holes_info_size
, num_holes
;
2886 int this_reg
= 0, this_offset
= 0;
2889 /* Load the method info from the AOT file */
2890 async
= mono_thread_info_is_async_context ();
2893 eflags
= decode_value (p
, &p
);
2894 has_generic_jit_info
= (eflags
& 1) != 0;
2895 has_dwarf_unwind_info
= (eflags
& 2) != 0;
2896 has_clauses
= (eflags
& 4) != 0;
2897 has_seq_points
= (eflags
& 8) != 0;
2898 from_llvm
= (eflags
& 16) != 0;
2899 has_try_block_holes
= (eflags
& 32) != 0;
2900 has_gc_map
= (eflags
& 64) != 0;
2901 has_arch_eh_jit_info
= (eflags
& 128) != 0;
2903 if (has_dwarf_unwind_info
) {
2904 unwind_info
= decode_value (p
, &p
);
2905 g_assert (unwind_info
< (1 << 30));
2907 unwind_info
= decode_value (p
, &p
);
2909 if (has_generic_jit_info
)
2910 flags
= (MonoJitInfoFlags
)(flags
| JIT_INFO_HAS_GENERIC_JIT_INFO
);
2912 if (has_try_block_holes
) {
2913 num_holes
= decode_value (p
, &p
);
2914 flags
= (MonoJitInfoFlags
)(flags
| JIT_INFO_HAS_TRY_BLOCK_HOLES
);
2915 try_holes_info_size
= sizeof (MonoTryBlockHoleTableJitInfo
) + num_holes
* sizeof (MonoTryBlockHoleJitInfo
);
2917 num_holes
= try_holes_info_size
= 0;
2920 if (has_arch_eh_jit_info
) {
2921 flags
= (MonoJitInfoFlags
)(flags
| JIT_INFO_HAS_ARCH_EH_INFO
);
2922 /* Overwrite the original code_len which includes alignment padding */
2923 code_len
= decode_value (p
, &p
);
2926 /* Exception table */
2928 num_clauses
= decode_value (p
, &p
);
2933 MonoJitExceptionInfo
*clauses
;
2937 * Part of the info is encoded by the AOT compiler, the rest is in the .eh_frame
2941 if (num_clauses
< 16) {
2942 clauses
= g_newa (MonoJitExceptionInfo
, num_clauses
);
2943 nesting
= g_newa (GSList
*, num_clauses
);
2945 clauses
= alloc0_jit_info_data (domain
, sizeof (MonoJitExceptionInfo
) * num_clauses
, TRUE
);
2946 nesting
= alloc0_jit_info_data (domain
, sizeof (GSList
*) * num_clauses
, TRUE
);
2948 memset (clauses
, 0, sizeof (MonoJitExceptionInfo
) * num_clauses
);
2949 memset (nesting
, 0, sizeof (GSList
*) * num_clauses
);
2951 clauses
= g_new0 (MonoJitExceptionInfo
, num_clauses
);
2952 nesting
= g_new0 (GSList
*, num_clauses
);
2955 for (i
= 0; i
< num_clauses
; ++i
) {
2956 MonoJitExceptionInfo
*ei
= &clauses
[i
];
2958 ei
->flags
= decode_value (p
, &p
);
2960 if (!(ei
->flags
== MONO_EXCEPTION_CLAUSE_FILTER
|| ei
->flags
== MONO_EXCEPTION_CLAUSE_FINALLY
)) {
2961 int len
= decode_value (p
, &p
);
2967 ei
->data
.catch_class
= decode_klass_ref (amodule
, p
, &p
, &error
);
2968 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
2973 ei
->clause_index
= i
;
2975 ei
->try_offset
= decode_value (p
, &p
);
2976 ei
->try_len
= decode_value (p
, &p
);
2977 ei
->handler_offset
= decode_value (p
, &p
);
2978 ei
->handler_len
= decode_value (p
, &p
);
2980 /* Read the list of nesting clauses */
2982 int nesting_index
= decode_value (p
, &p
);
2983 if (nesting_index
== -1)
2987 nesting
[i
] = g_slist_prepend (nesting
[i
], GINT_TO_POINTER (nesting_index
));
2991 flags
|= JIT_INFO_HAS_UNWIND_INFO
;
2993 int num_llvm_clauses
;
2994 /* Get the length first */
2995 decode_llvm_mono_eh_frame (amodule
, domain
, NULL
, code
, code_len
, clauses
, num_clauses
, nesting
, &this_reg
, &this_offset
, &num_llvm_clauses
);
2996 len
= mono_jit_info_size (flags
, num_llvm_clauses
, num_holes
);
2997 jinfo
= (MonoJitInfo
*)alloc0_jit_info_data (domain
, len
, async
);
2998 mono_jit_info_init (jinfo
, method
, code
, code_len
, flags
, num_llvm_clauses
, num_holes
);
3000 decode_llvm_mono_eh_frame (amodule
, domain
, jinfo
, code
, code_len
, clauses
, num_clauses
, nesting
, &this_reg
, &this_offset
, NULL
);
3004 for (i
= 0; i
< num_clauses
; ++i
)
3005 g_slist_free (nesting
[i
]);
3009 len
= mono_jit_info_size (flags
, num_clauses
, num_holes
);
3010 jinfo
= (MonoJitInfo
*)alloc0_jit_info_data (domain
, len
, async
);
3011 mono_jit_info_init (jinfo
, method
, code
, code_len
, flags
, num_clauses
, num_holes
);
3013 for (i
= 0; i
< jinfo
->num_clauses
; ++i
) {
3014 MonoJitExceptionInfo
*ei
= &jinfo
->clauses
[i
];
3016 ei
->flags
= decode_value (p
, &p
);
3018 #ifdef MONO_CONTEXT_SET_LLVM_EXC_REG
3019 /* Not used for catch clauses */
3020 if (ei
->flags
!= MONO_EXCEPTION_CLAUSE_NONE
)
3021 ei
->exvar_offset
= decode_value (p
, &p
);
3023 ei
->exvar_offset
= decode_value (p
, &p
);
3026 if (ei
->flags
== MONO_EXCEPTION_CLAUSE_FILTER
|| ei
->flags
== MONO_EXCEPTION_CLAUSE_FINALLY
)
3027 ei
->data
.filter
= code
+ decode_value (p
, &p
);
3029 int len
= decode_value (p
, &p
);
3035 ei
->data
.catch_class
= decode_klass_ref (amodule
, p
, &p
, &error
);
3036 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3041 ei
->try_start
= code
+ decode_value (p
, &p
);
3042 ei
->try_end
= code
+ decode_value (p
, &p
);
3043 ei
->handler_start
= code
+ decode_value (p
, &p
);
3046 jinfo
->unwind_info
= unwind_info
;
3047 jinfo
->domain_neutral
= 0;
3048 jinfo
->from_aot
= 1;
3051 if (has_try_block_holes
) {
3052 MonoTryBlockHoleTableJitInfo
*table
;
3054 g_assert (jinfo
->has_try_block_holes
);
3056 table
= mono_jit_info_get_try_block_hole_table_info (jinfo
);
3059 table
->num_holes
= (guint16
)num_holes
;
3060 for (i
= 0; i
< num_holes
; ++i
) {
3061 MonoTryBlockHoleJitInfo
*hole
= &table
->holes
[i
];
3062 hole
->clause
= decode_value (p
, &p
);
3063 hole
->length
= decode_value (p
, &p
);
3064 hole
->offset
= decode_value (p
, &p
);
3068 if (has_arch_eh_jit_info
) {
3069 MonoArchEHJitInfo
*eh_info
;
3071 g_assert (jinfo
->has_arch_eh_info
);
3073 eh_info
= mono_jit_info_get_arch_eh_info (jinfo
);
3074 eh_info
->stack_size
= decode_value (p
, &p
);
3075 eh_info
->epilog_size
= decode_value (p
, &p
);
3079 /* The rest is not needed in async mode */
3080 jinfo
->async
= TRUE
;
3081 jinfo
->d
.aot_info
= amodule
;
3086 if (has_generic_jit_info
) {
3087 MonoGenericJitInfo
*gi
;
3090 g_assert (jinfo
->has_generic_jit_info
);
3092 gi
= mono_jit_info_get_generic_jit_info (jinfo
);
3095 gi
->nlocs
= decode_value (p
, &p
);
3097 gi
->locations
= (MonoDwarfLocListEntry
*)alloc0_jit_info_data (domain
, gi
->nlocs
* sizeof (MonoDwarfLocListEntry
), async
);
3098 for (i
= 0; i
< gi
->nlocs
; ++i
) {
3099 MonoDwarfLocListEntry
*entry
= &gi
->locations
[i
];
3101 entry
->is_reg
= decode_value (p
, &p
);
3102 entry
->reg
= decode_value (p
, &p
);
3104 entry
->offset
= decode_value (p
, &p
);
3106 entry
->from
= decode_value (p
, &p
);
3107 entry
->to
= decode_value (p
, &p
);
3112 gi
->has_this
= this_reg
!= -1;
3113 gi
->this_reg
= this_reg
;
3114 gi
->this_offset
= this_offset
;
3116 gi
->has_this
= decode_value (p
, &p
);
3117 gi
->this_reg
= decode_value (p
, &p
);
3118 gi
->this_offset
= decode_value (p
, &p
);
3122 len
= decode_value (p
, &p
);
3126 jinfo
->d
.method
= decode_resolve_method_ref (amodule
, p
, &p
, &error
);
3127 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3130 gi
->generic_sharing_context
= alloc0_jit_info_data (domain
, sizeof (MonoGenericSharingContext
), async
);
3131 if (decode_value (p
, &p
)) {
3133 MonoGenericSharingContext
*gsctx
= gi
->generic_sharing_context
;
3135 gsctx
->is_gsharedvt
= TRUE
;
3139 if (method
&& has_seq_points
) {
3140 MonoSeqPointInfo
*seq_points
;
3142 p
+= mono_seq_point_info_read (&seq_points
, p
, FALSE
);
3144 mono_domain_lock (domain
);
3145 /* This could be set already since this function can be called more than once for the same method */
3146 if (!g_hash_table_lookup (domain_jit_info (domain
)->seq_points
, method
))
3147 g_hash_table_insert (domain_jit_info (domain
)->seq_points
, method
, seq_points
);
3149 mono_seq_point_info_free (seq_points
);
3150 mono_domain_unlock (domain
);
3153 /* Load debug info */
3154 buf_len
= decode_value (p
, &p
);
3156 mono_debug_add_aot_method (domain
, method
, code
, p
, buf_len
);
3160 int map_size
= decode_value (p
, &p
);
3161 /* The GC map requires 4 bytes of alignment */
3162 while ((guint64
)(gsize
)p
% 4)
3168 if (amodule
!= jinfo
->d
.method
->klass
->image
->aot_module
) {
3171 ji_to_amodule
= g_hash_table_new (NULL
, NULL
);
3172 g_hash_table_insert (ji_to_amodule
, jinfo
, amodule
);
3180 amodule_contains_code_addr (MonoAotModule
*amodule
, guint8
*code
)
3182 return (code
>= amodule
->jit_code_start
&& code
<= amodule
->jit_code_end
) ||
3183 (code
>= amodule
->llvm_code_start
&& code
<= amodule
->llvm_code_end
);
3187 * mono_aot_get_unwind_info:
3189 * Return a pointer to the DWARF unwind info belonging to JI.
3192 mono_aot_get_unwind_info (MonoJitInfo
*ji
, guint32
*unwind_info_len
)
3194 MonoAotModule
*amodule
;
3196 guint8
*code
= (guint8
*)ji
->code_start
;
3199 amodule
= (MonoAotModule
*)ji
->d
.aot_info
;
3201 amodule
= (MonoAotModule
*)jinfo_get_method (ji
)->klass
->image
->aot_module
;
3203 g_assert (ji
->from_aot
);
3205 if (!amodule_contains_code_addr (amodule
, code
)) {
3206 /* ji belongs to a different aot module than amodule */
3208 g_assert (ji_to_amodule
);
3209 amodule
= (MonoAotModule
*)g_hash_table_lookup (ji_to_amodule
, ji
);
3211 g_assert (amodule_contains_code_addr (amodule
, code
));
3215 p
= amodule
->unwind_info
+ ji
->unwind_info
;
3216 *unwind_info_len
= decode_value (p
, &p
);
3221 msort_method_addresses_internal (gpointer
*array
, int *indexes
, int lo
, int hi
, gpointer
*scratch
, int *scratch_indexes
)
3223 int mid
= (lo
+ hi
) / 2;
3230 for (i
= lo
; i
< hi
; ++i
)
3231 if (array
[i
] > array
[i
+ 1])
3234 /* Already sorted */
3238 msort_method_addresses_internal (array
, indexes
, lo
, mid
, scratch
, scratch_indexes
);
3239 msort_method_addresses_internal (array
, indexes
, mid
+ 1, hi
, scratch
, scratch_indexes
);
3241 if (array
[mid
] < array
[mid
+ 1])
3247 for (i
= lo
; i
<= hi
; i
++) {
3248 if (t_lo
<= mid
&& ((t_hi
> hi
) || array
[t_lo
] < array
[t_hi
])) {
3249 scratch
[i
] = array
[t_lo
];
3250 scratch_indexes
[i
] = indexes
[t_lo
];
3253 scratch
[i
] = array
[t_hi
];
3254 scratch_indexes
[i
] = indexes
[t_hi
];
3258 for (i
= lo
; i
<= hi
; ++i
) {
3259 array
[i
] = scratch
[i
];
3260 indexes
[i
] = scratch_indexes
[i
];
3265 msort_method_addresses (gpointer
*array
, int *indexes
, int len
)
3268 int *scratch_indexes
;
3270 scratch
= g_new (gpointer
, len
);
3271 scratch_indexes
= g_new (int, len
);
3272 msort_method_addresses_internal (array
, indexes
, 0, len
- 1, scratch
, scratch_indexes
);
3274 g_free (scratch_indexes
);
3278 * mono_aot_find_jit_info:
3280 * In async context, the resulting MonoJitInfo will not have its method field set, and it will not be added
3281 * to the jit info tables.
3282 * FIXME: Large sizes in the lock free allocator
3285 mono_aot_find_jit_info (MonoDomain
*domain
, MonoImage
*image
, gpointer addr
)
3288 int pos
, left
, right
, code_len
;
3289 int method_index
, table_len
;
3291 MonoAotModule
*amodule
= (MonoAotModule
*)image
->aot_module
;
3292 MonoMethod
*method
= NULL
;
3294 guint8
*code
, *ex_info
, *p
;
3298 guint8
*code1
, *code2
;
3305 nmethods
= amodule
->info
.nmethods
;
3307 if (domain
!= mono_get_root_domain ())
3311 if (!amodule_contains_code_addr (amodule
, (guint8
*)addr
))
3314 async
= mono_thread_info_is_async_context ();
3316 /* Compute a sorted table mapping code to method indexes. */
3317 if (!amodule
->sorted_methods
) {
3319 gpointer
*methods
= g_new0 (gpointer
, nmethods
);
3320 int *method_indexes
= g_new0 (int, nmethods
);
3321 int methods_len
= 0;
3323 for (i
= 0; i
< nmethods
; ++i
) {
3324 /* Skip the -1 entries to speed up sorting */
3325 if (amodule
->methods
[i
] == GINT_TO_POINTER (-1))
3327 methods
[methods_len
] = amodule
->methods
[i
];
3328 method_indexes
[methods_len
] = i
;
3331 /* Use a merge sort as this is mostly sorted */
3332 msort_method_addresses (methods
, method_indexes
, methods_len
);
3333 for (i
= 0; i
< methods_len
-1; ++i
)
3334 g_assert (methods
[i
] <= methods
[i
+ 1]);
3335 amodule
->sorted_methods_len
= methods_len
;
3336 if (InterlockedCompareExchangePointer ((gpointer
*)&amodule
->sorted_methods
, methods
, NULL
) != NULL
)
3337 /* Somebody got in before us */
3339 if (InterlockedCompareExchangePointer ((gpointer
*)&amodule
->sorted_method_indexes
, method_indexes
, NULL
) != NULL
)
3340 /* Somebody got in before us */
3341 g_free (method_indexes
);
3344 /* Binary search in the sorted_methods table */
3345 methods
= amodule
->sorted_methods
;
3346 methods_len
= amodule
->sorted_methods_len
;
3347 code
= (guint8
*)addr
;
3349 right
= methods_len
;
3351 pos
= (left
+ right
) / 2;
3353 code1
= (guint8
*)methods
[pos
];
3354 if (pos
+ 1 == methods_len
) {
3355 if (code1
>= amodule
->jit_code_start
&& code1
< amodule
->jit_code_end
)
3356 code2
= amodule
->jit_code_end
;
3358 code2
= amodule
->llvm_code_end
;
3360 code2
= (guint8
*)methods
[pos
+ 1];
3365 else if (code
>= code2
)
3371 g_assert (addr
>= methods
[pos
]);
3372 if (pos
+ 1 < methods_len
)
3373 g_assert (addr
< methods
[pos
+ 1]);
3374 method_index
= amodule
->sorted_method_indexes
[pos
];
3376 /* In async mode, jinfo is not added to the normal jit info table, so have to cache it ourselves */
3378 JitInfoMap
*table
= amodule
->async_jit_info_table
;
3382 len
= table
[0].method_index
;
3383 for (i
= 1; i
< len
; ++i
) {
3384 if (table
[i
].method_index
== method_index
)
3385 return table
[i
].jinfo
;
3390 code
= (guint8
*)amodule
->methods
[method_index
];
3391 ex_info
= &amodule
->blob
[mono_aot_get_offset (amodule
->ex_info_offsets
, method_index
)];
3393 if (pos
== methods_len
- 1) {
3394 if (code
>= amodule
->jit_code_start
&& code
< amodule
->jit_code_end
)
3395 code_len
= amodule
->jit_code_end
- code
;
3397 code_len
= amodule
->llvm_code_end
- code
;
3399 code_len
= (guint8
*)methods
[pos
+ 1] - (guint8
*)methods
[pos
];
3402 g_assert ((guint8
*)code
<= (guint8
*)addr
&& (guint8
*)addr
< (guint8
*)code
+ code_len
);
3404 /* Might be a wrapper/extra method */
3406 if (amodule
->extra_methods
) {
3407 amodule_lock (amodule
);
3408 method
= (MonoMethod
*)g_hash_table_lookup (amodule
->extra_methods
, GUINT_TO_POINTER (method_index
));
3409 amodule_unlock (amodule
);
3415 if (method_index
>= image
->tables
[MONO_TABLE_METHOD
].rows
) {
3417 * This is hit for extra methods which are called directly, so they are
3418 * not in amodule->extra_methods.
3420 table_len
= amodule
->extra_method_info_offsets
[0];
3421 table
= amodule
->extra_method_info_offsets
+ 1;
3428 pos
= ((left
+ right
) / 2);
3430 g_assert (pos
< table_len
);
3432 if (table
[pos
* 2] < method_index
)
3434 else if (table
[pos
* 2] > method_index
)
3440 p
= amodule
->blob
+ table
[(pos
* 2) + 1];
3441 method
= decode_resolve_method_ref (amodule
, p
, &p
, &error
);
3442 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3444 /* Happens when a random address is passed in which matches a not-yey called wrapper encoded using its name */
3448 token
= mono_metadata_make_token (MONO_TABLE_METHOD
, method_index
+ 1);
3449 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, &error
);
3451 g_error ("AOT runtime could not load method due to %s", mono_error_get_message (&error
)); /* FIXME don't swallow the error */
3458 //printf ("F: %s\n", mono_method_full_name (method, TRUE));
3460 jinfo
= decode_exception_debug_info (amodule
, domain
, method
, ex_info
, code
, code_len
);
3462 g_assert ((guint8
*)addr
>= (guint8
*)jinfo
->code_start
);
3464 /* Add it to the normal JitInfo tables */
3466 JitInfoMap
*old_table
, *new_table
;
3470 * Use a simple inmutable table with linear search to cache async jit info entries.
3471 * This assumes that the number of entries is small.
3474 /* Copy the table, adding a new entry at the end */
3475 old_table
= amodule
->async_jit_info_table
;
3477 len
= old_table
[0].method_index
;
3480 new_table
= (JitInfoMap
*)alloc0_jit_info_data (domain
, (len
+ 1) * sizeof (JitInfoMap
), async
);
3482 memcpy (new_table
, old_table
, len
* sizeof (JitInfoMap
));
3483 new_table
[0].method_index
= len
+ 1;
3484 new_table
[len
].method_index
= method_index
;
3485 new_table
[len
].jinfo
= jinfo
;
3487 mono_memory_barrier ();
3488 if (InterlockedCompareExchangePointer ((volatile gpointer
*)&amodule
->async_jit_info_table
, new_table
, old_table
) == old_table
)
3492 mono_jit_info_table_add (domain
, jinfo
);
3495 if ((guint8
*)addr
>= (guint8
*)jinfo
->code_start
+ jinfo
->code_size
)
3496 /* addr is in the padding between methods, see the adjustment of code_size in decode_exception_debug_info () */
3503 decode_patch (MonoAotModule
*aot_module
, MonoMemPool
*mp
, MonoJumpInfo
*ji
, guint8
*buf
, guint8
**endbuf
)
3512 case MONO_PATCH_INFO_METHOD
:
3513 case MONO_PATCH_INFO_METHOD_JUMP
:
3514 case MONO_PATCH_INFO_ICALL_ADDR
:
3515 case MONO_PATCH_INFO_ICALL_ADDR_CALL
:
3516 case MONO_PATCH_INFO_METHOD_RGCTX
:
3517 case MONO_PATCH_INFO_METHOD_CODE_SLOT
: {
3521 res
= decode_method_ref (aot_module
, &ref
, p
, &p
, &error
);
3522 mono_error_assert_ok (&error
); /* FIXME don't swallow the error */
3526 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
)) {
3527 ji
->data
.target
= mono_create_ftnptr (mono_domain_get (), mono_create_jit_trampoline_from_token (ref
.image
, ref
.token
));
3528 ji
->type
= MONO_PATCH_INFO_ABS
;
3532 ji
->data
.method
= ref
.method
;
3535 ji
->data
.method
= mono_get_method_checked (ref
.image
, ref
.token
, NULL
, NULL
, &error
);
3536 if (!ji
->data
.method
)
3537 g_error ("AOT Runtime could not load method due to %s", mono_error_get_message (&error
)); /* FIXME don't swallow the error */
3539 g_assert (ji
->data
.method
);
3540 mono_class_init (ji
->data
.method
->klass
);
3544 case MONO_PATCH_INFO_INTERNAL_METHOD
:
3545 case MONO_PATCH_INFO_JIT_ICALL_ADDR
:
3546 case MONO_PATCH_INFO_JIT_ICALL_ADDR_NOCALL
: {
3547 guint32 len
= decode_value (p
, &p
);
3549 ji
->data
.name
= (char*)p
;
3553 case MONO_PATCH_INFO_METHODCONST
:
3555 ji
->data
.method
= decode_resolve_method_ref (aot_module
, p
, &p
, &error
);
3556 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3557 if (!ji
->data
.method
)
3560 case MONO_PATCH_INFO_VTABLE
:
3561 case MONO_PATCH_INFO_CLASS
:
3562 case MONO_PATCH_INFO_IID
:
3563 case MONO_PATCH_INFO_ADJUSTED_IID
:
3565 ji
->data
.klass
= decode_klass_ref (aot_module
, p
, &p
, &error
);
3566 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3567 if (!ji
->data
.klass
)
3570 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE
:
3571 ji
->data
.del_tramp
= (MonoDelegateClassMethodPair
*)mono_mempool_alloc0 (mp
, sizeof (MonoDelegateClassMethodPair
));
3572 ji
->data
.del_tramp
->klass
= decode_klass_ref (aot_module
, p
, &p
, &error
);
3573 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3574 if (!ji
->data
.del_tramp
->klass
)
3576 if (decode_value (p
, &p
)) {
3577 ji
->data
.del_tramp
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, &error
);
3578 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3579 if (!ji
->data
.del_tramp
->method
)
3582 ji
->data
.del_tramp
->is_virtual
= decode_value (p
, &p
) ? TRUE
: FALSE
;
3584 case MONO_PATCH_INFO_IMAGE
:
3585 ji
->data
.image
= load_image (aot_module
, decode_value (p
, &p
), &error
);
3586 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3587 if (!ji
->data
.image
)
3590 case MONO_PATCH_INFO_FIELD
:
3591 case MONO_PATCH_INFO_SFLDA
:
3593 ji
->data
.field
= decode_field_info (aot_module
, p
, &p
);
3594 if (!ji
->data
.field
)
3597 case MONO_PATCH_INFO_SWITCH
:
3598 ji
->data
.table
= (MonoJumpInfoBBTable
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoBBTable
));
3599 ji
->data
.table
->table_size
= decode_value (p
, &p
);
3600 table
= (void **)mono_domain_alloc (mono_domain_get (), sizeof (gpointer
) * ji
->data
.table
->table_size
);
3601 ji
->data
.table
->table
= (MonoBasicBlock
**)table
;
3602 for (i
= 0; i
< ji
->data
.table
->table_size
; i
++)
3603 table
[i
] = (gpointer
)(gssize
)decode_value (p
, &p
);
3605 case MONO_PATCH_INFO_R4
: {
3608 ji
->data
.target
= mono_domain_alloc0 (mono_domain_get (), sizeof (float));
3609 val
= decode_value (p
, &p
);
3610 *(float*)ji
->data
.target
= *(float*)&val
;
3613 case MONO_PATCH_INFO_R8
: {
3617 ji
->data
.target
= mono_domain_alloc0 (mono_domain_get (), sizeof (double));
3619 val
[0] = decode_value (p
, &p
);
3620 val
[1] = decode_value (p
, &p
);
3621 v
= ((guint64
)val
[1] << 32) | ((guint64
)val
[0]);
3622 *(double*)ji
->data
.target
= *(double*)&v
;
3625 case MONO_PATCH_INFO_LDSTR
:
3626 image
= load_image (aot_module
, decode_value (p
, &p
), &error
);
3627 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3630 ji
->data
.token
= mono_jump_info_token_new (mp
, image
, MONO_TOKEN_STRING
+ decode_value (p
, &p
));
3632 case MONO_PATCH_INFO_RVA
:
3633 case MONO_PATCH_INFO_DECLSEC
:
3634 case MONO_PATCH_INFO_LDTOKEN
:
3635 case MONO_PATCH_INFO_TYPE_FROM_HANDLE
:
3637 image
= load_image (aot_module
, decode_value (p
, &p
), &error
);
3638 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3641 ji
->data
.token
= mono_jump_info_token_new (mp
, image
, decode_value (p
, &p
));
3643 ji
->data
.token
->has_context
= decode_value (p
, &p
);
3644 if (ji
->data
.token
->has_context
) {
3645 gboolean res
= decode_generic_context (aot_module
, &ji
->data
.token
->context
, p
, &p
, &error
);
3646 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3651 case MONO_PATCH_INFO_EXC_NAME
:
3652 ji
->data
.klass
= decode_klass_ref (aot_module
, p
, &p
, &error
);
3653 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3654 if (!ji
->data
.klass
)
3656 ji
->data
.name
= ji
->data
.klass
->name
;
3658 case MONO_PATCH_INFO_METHOD_REL
:
3659 ji
->data
.offset
= decode_value (p
, &p
);
3661 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG
:
3662 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR
:
3663 case MONO_PATCH_INFO_GC_NURSERY_START
:
3664 case MONO_PATCH_INFO_GC_NURSERY_BITS
:
3665 case MONO_PATCH_INFO_PROFILER_ALLOCATION_COUNT
:
3667 case MONO_PATCH_INFO_CASTCLASS_CACHE
:
3668 ji
->data
.index
= decode_value (p
, &p
);
3670 case MONO_PATCH_INFO_RGCTX_FETCH
:
3671 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX
: {
3673 MonoJumpInfoRgctxEntry
*entry
;
3674 guint32 offset
, val
;
3677 offset
= decode_value (p
, &p
);
3678 val
= decode_value (p
, &p
);
3680 entry
= (MonoJumpInfoRgctxEntry
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoRgctxEntry
));
3681 p2
= aot_module
->blob
+ offset
;
3682 entry
->method
= decode_resolve_method_ref (aot_module
, p2
, &p2
, &error
);
3683 entry
->in_mrgctx
= ((val
& 1) > 0) ? TRUE
: FALSE
;
3684 entry
->info_type
= (MonoRgctxInfoType
)((val
>> 1) & 0xff);
3685 entry
->data
= (MonoJumpInfo
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfo
));
3686 entry
->data
->type
= (MonoJumpInfoType
)((val
>> 9) & 0xff);
3687 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3689 res
= decode_patch (aot_module
, mp
, entry
->data
, p
, &p
);
3692 ji
->data
.rgctx_entry
= entry
;
3695 case MONO_PATCH_INFO_SEQ_POINT_INFO
:
3696 case MONO_PATCH_INFO_AOT_MODULE
:
3697 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR
:
3699 case MONO_PATCH_INFO_SIGNATURE
:
3700 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER
:
3701 ji
->data
.target
= decode_signature (aot_module
, p
, &p
);
3703 case MONO_PATCH_INFO_GSHAREDVT_CALL
: {
3704 MonoJumpInfoGSharedVtCall
*info
= (MonoJumpInfoGSharedVtCall
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoGSharedVtCall
));
3705 info
->sig
= decode_signature (aot_module
, p
, &p
);
3706 g_assert (info
->sig
);
3707 info
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, &error
);
3708 mono_error_assert_ok (&error
); /* FIXME don't swallow the error */
3710 ji
->data
.target
= info
;
3713 case MONO_PATCH_INFO_GSHAREDVT_METHOD
: {
3714 MonoGSharedVtMethodInfo
*info
= (MonoGSharedVtMethodInfo
*)mono_mempool_alloc0 (mp
, sizeof (MonoGSharedVtMethodInfo
));
3717 info
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, &error
);
3718 mono_error_assert_ok (&error
); /* FIXME don't swallow the error */
3720 info
->num_entries
= decode_value (p
, &p
);
3721 info
->count_entries
= info
->num_entries
;
3722 info
->entries
= (MonoRuntimeGenericContextInfoTemplate
*)mono_mempool_alloc0 (mp
, sizeof (MonoRuntimeGenericContextInfoTemplate
) * info
->num_entries
);
3723 for (i
= 0; i
< info
->num_entries
; ++i
) {
3724 MonoRuntimeGenericContextInfoTemplate
*template_
= &info
->entries
[i
];
3726 template_
->info_type
= (MonoRgctxInfoType
)decode_value (p
, &p
);
3727 switch (mini_rgctx_info_type_to_patch_info_type (template_
->info_type
)) {
3728 case MONO_PATCH_INFO_CLASS
: {
3729 MonoClass
*klass
= decode_klass_ref (aot_module
, p
, &p
, &error
);
3730 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
3733 template_
->data
= &klass
->byval_arg
;
3736 case MONO_PATCH_INFO_FIELD
:
3737 template_
->data
= decode_field_info (aot_module
, p
, &p
);
3738 if (!template_
->data
)
3742 g_assert_not_reached ();
3746 ji
->data
.target
= info
;
3749 case MONO_PATCH_INFO_LDSTR_LIT
: {
3750 int len
= decode_value (p
, &p
);
3753 s
= (char *)mono_mempool_alloc0 (mp
, len
+ 1);
3754 memcpy (s
, p
, len
+ 1);
3757 ji
->data
.target
= s
;
3760 case MONO_PATCH_INFO_VIRT_METHOD
: {
3761 MonoJumpInfoVirtMethod
*info
= (MonoJumpInfoVirtMethod
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfoVirtMethod
));
3763 info
->klass
= decode_klass_ref (aot_module
, p
, &p
, &error
);
3764 mono_error_assert_ok (&error
); /* FIXME don't swallow the error */
3766 info
->method
= decode_resolve_method_ref (aot_module
, p
, &p
, &error
);
3767 mono_error_assert_ok (&error
); /* FIXME don't swallow the error */
3769 ji
->data
.target
= info
;
3772 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG
:
3773 case MONO_PATCH_INFO_JIT_THREAD_ATTACH
:
3775 case MONO_PATCH_INFO_GET_TLS_TRAMP
:
3776 case MONO_PATCH_INFO_SET_TLS_TRAMP
:
3777 case MONO_PATCH_INFO_AOT_JIT_INFO
:
3778 ji
->data
.index
= decode_value (p
, &p
);
3781 g_warning ("unhandled type %d", ji
->type
);
3782 g_assert_not_reached ();
3796 * Decode a list of patches identified by the got offsets in GOT_OFFSETS. Return an array of
3797 * MonoJumpInfo structures allocated from MP.
3799 static MonoJumpInfo
*
3800 decode_patches (MonoAotModule
*amodule
, MonoMemPool
*mp
, int n_patches
, gboolean llvm
, guint32
*got_offsets
)
3802 MonoJumpInfo
*patches
;
3805 guint32
*got_info_offsets
;
3810 got
= amodule
->llvm_got
;
3811 got_info_offsets
= (guint32
*)amodule
->llvm_got_info_offsets
;
3814 got_info_offsets
= (guint32
*)amodule
->got_info_offsets
;
3817 patches
= (MonoJumpInfo
*)mono_mempool_alloc0 (mp
, sizeof (MonoJumpInfo
) * n_patches
);
3818 for (i
= 0; i
< n_patches
; ++i
) {
3819 guint8
*p
= amodule
->blob
+ mono_aot_get_offset (got_info_offsets
, got_offsets
[i
]);
3822 ji
->type
= (MonoJumpInfoType
)decode_value (p
, &p
);
3824 /* See load_method () for SFLDA */
3825 if (got
&& got
[got_offsets
[i
]] && ji
->type
!= MONO_PATCH_INFO_SFLDA
) {
3826 /* Already loaded */
3828 res
= decode_patch (amodule
, mp
, ji
, p
, &p
);
3837 static MonoJumpInfo
*
3838 load_patch_info (MonoAotModule
*amodule
, MonoMemPool
*mp
, int n_patches
,
3839 gboolean llvm
, guint32
**got_slots
,
3840 guint8
*buf
, guint8
**endbuf
)
3842 MonoJumpInfo
*patches
;
3848 *got_slots
= (guint32
*)g_malloc (sizeof (guint32
) * n_patches
);
3849 for (pindex
= 0; pindex
< n_patches
; ++pindex
) {
3850 (*got_slots
)[pindex
] = decode_value (p
, &p
);
3853 patches
= decode_patches (amodule
, mp
, n_patches
, llvm
, *got_slots
);
3855 g_free (*got_slots
);
3865 register_jump_target_got_slot (MonoDomain
*domain
, MonoMethod
*method
, gpointer
*got_slot
)
3868 * Jump addresses cannot be patched by the trampoline code since it
3869 * does not have access to the caller's address. Instead, we collect
3870 * the addresses of the GOT slots pointing to a method, and patch
3871 * them after the method has been compiled.
3873 MonoJitDomainInfo
*info
= domain_jit_info (domain
);
3876 mono_domain_lock (domain
);
3877 if (!info
->jump_target_got_slot_hash
)
3878 info
->jump_target_got_slot_hash
= g_hash_table_new (NULL
, NULL
);
3879 list
= (GSList
*)g_hash_table_lookup (info
->jump_target_got_slot_hash
, method
);
3880 list
= g_slist_prepend (list
, got_slot
);
3881 g_hash_table_insert (info
->jump_target_got_slot_hash
, method
, list
);
3882 mono_domain_unlock (domain
);
3888 * Load the method identified by METHOD_INDEX from the AOT image. Return a
3889 * pointer to the native code of the method, or NULL if not found.
3890 * METHOD might not be set if the caller only has the image/token info.
3893 load_method (MonoDomain
*domain
, MonoAotModule
*amodule
, MonoImage
*image
, MonoMethod
*method
, guint32 token
, int method_index
,
3896 MonoJitInfo
*jinfo
= NULL
;
3897 guint8
*code
= NULL
, *info
;
3902 init_amodule_got (amodule
);
3904 if (domain
!= mono_get_root_domain ())
3905 /* Non shared AOT code can't be used in other appdomains */
3908 if (amodule
->out_of_date
)
3911 if (amodule
->info
.llvm_get_method
) {
3913 * Obtain the method address by calling a generated function in the LLVM module.
3915 gpointer (*get_method
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_method
;
3916 code
= (guint8
*)get_method (method_index
);
3921 if (amodule
->methods
[method_index
] == GINT_TO_POINTER (-1)) {
3922 if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
)) {
3926 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
3930 if (!(method
->iflags
& METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL
)) {
3931 full_name
= mono_method_full_name (method
, TRUE
);
3932 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT: NOT FOUND: %s.", full_name
);
3938 code
= (guint8
*)amodule
->methods
[method_index
];
3941 info
= &amodule
->blob
[mono_aot_get_offset (amodule
->method_info_offsets
, method_index
)];
3943 if (!amodule
->methods_loaded
) {
3944 amodule_lock (amodule
);
3945 if (!amodule
->methods_loaded
) {
3948 loaded
= g_new0 (guint32
, amodule
->info
.nmethods
/ 32 + 1);
3949 mono_memory_barrier ();
3950 amodule
->methods_loaded
= loaded
;
3952 amodule_unlock (amodule
);
3955 if ((amodule
->methods_loaded
[method_index
/ 32] >> (method_index
% 32)) & 0x1)
3958 if (mono_last_aot_method
!= -1) {
3959 if (mono_jit_stats
.methods_aot
>= mono_last_aot_method
)
3961 else if (mono_jit_stats
.methods_aot
== mono_last_aot_method
- 1) {
3963 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
3968 char *name
= mono_method_full_name (method
, TRUE
);
3969 g_print ("LAST AOT METHOD: %s.\n", name
);
3972 g_print ("LAST AOT METHOD: %p %d\n", code
, method_index
);
3977 if (!(is_llvm_code (amodule
, code
) && (amodule
->info
.flags
& MONO_AOT_FILE_FLAG_LLVM_ONLY
)) ||
3978 (mono_llvm_only
&& method
&& method
->wrapper_type
== MONO_WRAPPER_NATIVE_TO_MANAGED
)) {
3979 res
= init_method (amodule
, method_index
, method
, NULL
, NULL
, error
);
3984 if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
)) {
3988 method
= mono_get_method_checked (image
, token
, NULL
, NULL
, error
);
3993 full_name
= mono_method_full_name (method
, TRUE
);
3996 jinfo
= mono_aot_find_jit_info (domain
, amodule
->assembly
->image
, code
);
3998 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT: FOUND method %s [%p - %p %p]", full_name
, code
, code
+ jinfo
->code_size
, info
);
4002 amodule_lock (amodule
);
4006 InterlockedIncrement (&mono_jit_stats
.methods_aot
);
4008 if (method
&& method
->wrapper_type
)
4009 g_hash_table_insert (amodule
->method_to_code
, method
, code
);
4011 /* Commit changes since methods_loaded is accessed outside the lock */
4012 mono_memory_barrier ();
4014 amodule
->methods_loaded
[method_index
/ 32] |= 1 << (method_index
% 32);
4016 amodule_unlock (amodule
);
4018 if (MONO_PROFILER_ENABLED (jit_begin
) || MONO_PROFILER_ENABLED (jit_done
)) {
4022 method
= mono_get_method_checked (amodule
->assembly
->image
, token
, NULL
, NULL
, error
);
4026 MONO_PROFILER_RAISE (jit_begin
, (method
));
4027 jinfo
= mono_jit_info_table_find (domain
, (char*)code
);
4029 MONO_PROFILER_RAISE (jit_done
, (method
, jinfo
));
4042 find_aot_method_in_amodule (MonoAotModule
*amodule
, MonoMethod
*method
, guint32 hash_full
)
4045 guint32 table_size
, entry_size
, hash
;
4046 guint32
*table
, *entry
;
4048 static guint32 n_extra_decodes
;
4050 if (!amodule
|| amodule
->out_of_date
)
4053 table_size
= amodule
->extra_method_table
[0];
4054 hash
= hash_full
% table_size
;
4055 table
= amodule
->extra_method_table
+ 1;
4058 entry
= &table
[hash
* entry_size
];
4065 guint32 key
= entry
[0];
4066 guint32 value
= entry
[1];
4067 guint32 next
= entry
[entry_size
- 1];
4071 p
= amodule
->blob
+ key
;
4074 amodule_lock (amodule
);
4075 if (!amodule
->method_ref_to_method
)
4076 amodule
->method_ref_to_method
= g_hash_table_new (NULL
, NULL
);
4077 m
= (MonoMethod
*)g_hash_table_lookup (amodule
->method_ref_to_method
, p
);
4078 amodule_unlock (amodule
);
4080 m
= decode_resolve_method_ref_with_target (amodule
, method
, p
, &p
, &error
);
4081 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
4083 * Can't catche runtime invoke wrappers since it would break
4084 * the check in decode_method_ref_with_target ().
4086 if (m
&& m
->wrapper_type
!= MONO_WRAPPER_RUNTIME_INVOKE
) {
4087 amodule_lock (amodule
);
4088 g_hash_table_insert (amodule
->method_ref_to_method
, orig_p
, m
);
4089 amodule_unlock (amodule
);
4097 /* Methods decoded needlessly */
4099 //printf ("%d %s %s %p\n", n_extra_decodes, mono_method_full_name (method, TRUE), mono_method_full_name (m, TRUE), orig_p);
4104 entry
= &table
[next
* entry_size
];
4113 add_module_cb (gpointer key
, gpointer value
, gpointer user_data
)
4115 g_ptr_array_add ((GPtrArray
*)user_data
, value
);
4121 * Try finding METHOD in the extra_method table in all AOT images.
4122 * Return its method index, or 0xffffff if not found. Set OUT_AMODULE to the AOT
4123 * module where the method was found.
4126 find_aot_method (MonoMethod
*method
, MonoAotModule
**out_amodule
)
4131 guint32 hash
= mono_aot_method_hash (method
);
4133 /* Try the method's module first */
4134 *out_amodule
= (MonoAotModule
*)method
->klass
->image
->aot_module
;
4135 index
= find_aot_method_in_amodule ((MonoAotModule
*)method
->klass
->image
->aot_module
, method
, hash
);
4136 if (index
!= 0xffffff)
4140 * Try all other modules.
4141 * This is needed because generic instances klass->image points to the image
4142 * containing the generic definition, but the native code is generated to the
4143 * AOT image which contains the reference.
4146 /* Make a copy to avoid doing the search inside the aot lock */
4147 modules
= g_ptr_array_new ();
4149 g_hash_table_foreach (aot_modules
, add_module_cb
, modules
);
4153 for (i
= 0; i
< modules
->len
; ++i
) {
4154 MonoAotModule
*amodule
= (MonoAotModule
*)g_ptr_array_index (modules
, i
);
4156 if (amodule
!= method
->klass
->image
->aot_module
)
4157 index
= find_aot_method_in_amodule (amodule
, method
, hash
);
4158 if (index
!= 0xffffff) {
4159 *out_amodule
= amodule
;
4164 g_ptr_array_free (modules
, TRUE
);
4170 mono_aot_find_method_index (MonoMethod
*method
)
4172 MonoAotModule
*out_amodule
;
4173 return find_aot_method (method
, &out_amodule
);
4177 init_method (MonoAotModule
*amodule
, guint32 method_index
, MonoMethod
*method
, MonoClass
*init_class
, MonoGenericContext
*context
, MonoError
*error
)
4179 MonoDomain
*domain
= mono_domain_get ();
4181 MonoClass
*klass_to_run_ctor
= NULL
;
4182 gboolean from_plt
= method
== NULL
;
4183 int pindex
, n_patches
;
4185 MonoJitInfo
*jinfo
= NULL
;
4186 guint8
*code
, *info
;
4190 code
= (guint8
*)amodule
->methods
[method_index
];
4191 info
= &amodule
->blob
[mono_aot_get_offset (amodule
->method_info_offsets
, method_index
)];
4195 //does the method's class has a cctor?
4196 if (decode_value (p
, &p
) == 1)
4197 klass_to_run_ctor
= decode_klass_ref (amodule
, p
, &p
, error
);
4201 //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
4203 klass_to_run_ctor
= method
->klass
;
4205 n_patches
= decode_value (p
, &p
);
4208 MonoJumpInfo
*patches
;
4213 mp
= mono_mempool_new ();
4215 if ((gpointer
)code
>= amodule
->info
.jit_code_start
&& (gpointer
)code
<= amodule
->info
.jit_code_end
) {
4220 got
= amodule
->llvm_got
;
4224 patches
= load_patch_info (amodule
, mp
, n_patches
, llvm
, &got_slots
, p
, &p
);
4225 if (patches
== NULL
) {
4226 mono_mempool_destroy (mp
);
4230 for (pindex
= 0; pindex
< n_patches
; ++pindex
) {
4231 MonoJumpInfo
*ji
= &patches
[pindex
];
4235 * For SFLDA, we need to call resolve_patch_target () since the GOT slot could have
4236 * been initialized by load_method () for a static cctor before the cctor has
4237 * finished executing (#23242).
4239 if (!got
[got_slots
[pindex
]] || ji
->type
== MONO_PATCH_INFO_SFLDA
) {
4240 /* In llvm-only made, we might encounter shared methods */
4241 if (mono_llvm_only
&& ji
->type
== MONO_PATCH_INFO_METHOD
&& mono_method_check_context_used (ji
->data
.method
)) {
4243 ji
->data
.method
= mono_class_inflate_generic_method_checked (ji
->data
.method
, context
, error
);
4244 if (!mono_error_ok (error
)) {
4246 mono_mempool_destroy (mp
);
4250 /* This cannot be resolved in mono_resolve_patch_target () */
4251 if (ji
->type
== MONO_PATCH_INFO_AOT_JIT_INFO
) {
4252 // FIXME: Lookup using the index
4253 jinfo
= mono_aot_find_jit_info (domain
, amodule
->assembly
->image
, code
);
4254 ji
->type
= MONO_PATCH_INFO_ABS
;
4255 ji
->data
.target
= jinfo
;
4257 addr
= mono_resolve_patch_target (method
, domain
, code
, ji
, TRUE
, error
);
4258 if (!mono_error_ok (error
)) {
4260 mono_mempool_destroy (mp
);
4263 if (ji
->type
== MONO_PATCH_INFO_METHOD_JUMP
)
4264 addr
= mono_create_ftnptr (domain
, addr
);
4265 mono_memory_barrier ();
4266 got
[got_slots
[pindex
]] = addr
;
4267 if (ji
->type
== MONO_PATCH_INFO_METHOD_JUMP
)
4268 register_jump_target_got_slot (domain
, ji
->data
.method
, &(got
[got_slots
[pindex
]]));
4270 ji
->type
= MONO_PATCH_INFO_NONE
;
4275 mono_mempool_destroy (mp
);
4278 if (mini_get_debug_options ()->load_aot_jit_info_eagerly
)
4279 jinfo
= mono_aot_find_jit_info (domain
, amodule
->assembly
->image
, code
);
4281 gboolean inited_ok
= TRUE
;
4283 inited_ok
= mono_runtime_class_init_full (mono_class_vtable (domain
, init_class
), error
);
4284 else if (from_plt
&& klass_to_run_ctor
&& !mono_class_is_gtd (klass_to_run_ctor
))
4285 inited_ok
= mono_runtime_class_init_full (mono_class_vtable (domain
, klass_to_run_ctor
), error
);
4299 init_llvmonly_method (MonoAotModule
*amodule
, guint32 method_index
, MonoMethod
*method
, MonoClass
*init_class
, MonoGenericContext
*context
)
4304 res
= init_method (amodule
, method_index
, method
, init_class
, context
, &error
);
4305 if (!is_ok (&error
)) {
4306 MonoException
*ex
= mono_error_convert_to_exception (&error
);
4307 /* Its okay to raise in llvmonly mode */
4309 mono_llvm_throw_exception ((MonoObject
*)ex
);
4314 mono_aot_init_llvm_method (gpointer aot_module
, guint32 method_index
)
4316 MonoAotModule
*amodule
= (MonoAotModule
*)aot_module
;
4318 init_llvmonly_method (amodule
, method_index
, NULL
, NULL
, NULL
);
4322 mono_aot_init_gshared_method_this (gpointer aot_module
, guint32 method_index
, MonoObject
*this_obj
)
4324 MonoAotModule
*amodule
= (MonoAotModule
*)aot_module
;
4326 MonoGenericContext
*context
;
4330 g_assert (this_obj
);
4331 klass
= this_obj
->vtable
->klass
;
4333 amodule_lock (amodule
);
4334 method
= (MonoMethod
*)g_hash_table_lookup (amodule
->extra_methods
, GUINT_TO_POINTER (method_index
));
4335 amodule_unlock (amodule
);
4338 context
= mono_method_get_context (method
);
4341 init_llvmonly_method (amodule
, method_index
, NULL
, klass
, context
);
4345 mono_aot_init_gshared_method_mrgctx (gpointer aot_module
, guint32 method_index
, MonoMethodRuntimeGenericContext
*rgctx
)
4347 MonoAotModule
*amodule
= (MonoAotModule
*)aot_module
;
4348 MonoGenericContext context
= { NULL
, NULL
};
4349 MonoClass
*klass
= rgctx
->class_vtable
->klass
;
4351 if (mono_class_is_ginst (klass
))
4352 context
.class_inst
= mono_class_get_generic_class (klass
)->context
.class_inst
;
4353 else if (mono_class_is_gtd (klass
))
4354 context
.class_inst
= mono_class_get_generic_container (klass
)->context
.class_inst
;
4355 context
.method_inst
= rgctx
->method_inst
;
4357 init_llvmonly_method (amodule
, method_index
, NULL
, rgctx
->class_vtable
->klass
, &context
);
4361 mono_aot_init_gshared_method_vtable (gpointer aot_module
, guint32 method_index
, MonoVTable
*vtable
)
4363 MonoAotModule
*amodule
= (MonoAotModule
*)aot_module
;
4365 MonoGenericContext
*context
;
4368 klass
= vtable
->klass
;
4370 amodule_lock (amodule
);
4371 method
= (MonoMethod
*)g_hash_table_lookup (amodule
->extra_methods
, GUINT_TO_POINTER (method_index
));
4372 amodule_unlock (amodule
);
4375 context
= mono_method_get_context (method
);
4378 init_llvmonly_method (amodule
, method_index
, NULL
, klass
, context
);
4382 * mono_aot_get_method_checked:
4384 * Return a pointer to the AOTed native code for METHOD if it can be found,
4386 * On platforms with function pointers, this doesn't return a function pointer.
4389 mono_aot_get_method_checked (MonoDomain
*domain
, MonoMethod
*method
, MonoError
*error
)
4391 MonoClass
*klass
= method
->klass
;
4392 MonoMethod
*orig_method
= method
;
4393 guint32 method_index
;
4394 MonoAotModule
*amodule
= (MonoAotModule
*)klass
->image
->aot_module
;
4396 gboolean cache_result
= FALSE
;
4397 MonoError inner_error
;
4401 if (domain
!= mono_get_root_domain ())
4402 /* Non shared AOT code can't be used in other appdomains */
4405 if (enable_aot_cache
&& !amodule
&& domain
->entry_assembly
&& klass
->image
== mono_defaults
.corlib
) {
4406 /* This cannot be AOTed during startup, so do it now */
4407 if (!mscorlib_aot_loaded
) {
4408 mscorlib_aot_loaded
= TRUE
;
4409 load_aot_module (klass
->image
->assembly
, NULL
);
4410 amodule
= (MonoAotModule
*)klass
->image
->aot_module
;
4417 if (amodule
->out_of_date
)
4420 if ((method
->iflags
& METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL
) ||
4421 (method
->flags
& METHOD_ATTRIBUTE_PINVOKE_IMPL
) ||
4422 (method
->iflags
& METHOD_IMPL_ATTRIBUTE_RUNTIME
) ||
4423 (method
->flags
& METHOD_ATTRIBUTE_ABSTRACT
))
4427 * Use the original method instead of its invoke-with-check wrapper.
4428 * This is not a problem when using full-aot, since it doesn't support
4431 if (mono_aot_only
&& method
->wrapper_type
== MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK
)
4432 return mono_aot_get_method_checked (domain
, mono_marshal_method_from_wrapper (method
), error
);
4434 g_assert (klass
->inited
);
4436 /* Find method index */
4437 method_index
= 0xffffff;
4438 if (method
->is_inflated
&& !method
->wrapper_type
&& mono_method_is_generic_sharable_full (method
, TRUE
, FALSE
, FALSE
)) {
4439 MonoMethod
*orig_method
= method
;
4441 * For generic methods, we store the fully shared instance in place of the
4444 method
= mono_method_get_declaring_generic_method (method
);
4445 method_index
= mono_metadata_token_index (method
->token
) - 1;
4447 if (mono_llvm_only
) {
4448 /* Needed by mono_aot_init_gshared_method_this () */
4449 /* orig_method is a random instance but it is enough to make init_method () work */
4450 amodule_lock (amodule
);
4451 g_hash_table_insert (amodule
->extra_methods
, GUINT_TO_POINTER (method_index
), orig_method
);
4452 amodule_unlock (amodule
);
4454 } else if (method
->is_inflated
|| !method
->token
) {
4455 /* This hash table is used to avoid the slower search in the extra_method_table in the AOT image */
4456 amodule_lock (amodule
);
4457 code
= (guint8
*)g_hash_table_lookup (amodule
->method_to_code
, method
);
4458 amodule_unlock (amodule
);
4462 cache_result
= TRUE
;
4463 method_index
= find_aot_method (method
, &amodule
);
4465 * Special case the ICollection<T> wrappers for arrays, as they cannot
4466 * be statically enumerated, and each wrapper ends up calling the same
4469 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_MANAGED
&& method
->klass
->rank
&& strstr (method
->name
, "System.Collections.Generic")) {
4470 MonoMethod
*m
= mono_aot_get_array_helper_from_wrapper (method
);
4472 code
= (guint8
*)mono_aot_get_method_checked (domain
, m
, &inner_error
);
4473 mono_error_cleanup (&inner_error
);
4479 * Special case Array.GetGenericValueImpl which is a generic icall.
4480 * Generic sharing currently can't handle it, but the icall returns data using
4481 * an out parameter, so the managed-to-native wrappers can share the same code.
4483 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_NATIVE
&& method
->klass
== mono_defaults
.array_class
&& !strcmp (method
->name
, "GetGenericValueImpl")) {
4485 MonoGenericContext ctx
;
4486 MonoType
*args
[16];
4488 if (mono_method_signature (method
)->params
[1]->type
== MONO_TYPE_OBJECT
)
4489 /* Avoid recursion */
4492 m
= mono_class_get_method_from_name (mono_defaults
.array_class
, "GetGenericValueImpl", 2);
4495 memset (&ctx
, 0, sizeof (ctx
));
4496 args
[0] = &mono_defaults
.object_class
->byval_arg
;
4497 ctx
.method_inst
= mono_metadata_get_generic_inst (1, args
);
4499 m
= mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m
, &ctx
, error
), TRUE
, TRUE
);
4501 g_error ("AOT runtime could not load method due to %s", mono_error_get_message (error
)); /* FIXME don't swallow the error */
4504 * Get the code for the <object> instantiation which should be emitted into
4505 * the mscorlib aot image by the AOT compiler.
4507 code
= (guint8
*)mono_aot_get_method_checked (domain
, m
, &inner_error
);
4508 mono_error_cleanup (&inner_error
);
4513 /* Same for CompareExchange<T> and Exchange<T> */
4514 /* Same for Volatile.Read<T>/Write<T> */
4515 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_NATIVE
&& method
->klass
->image
== mono_defaults
.corlib
&&
4516 ((!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]))) ||
4517 (!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
)))) ||
4518 (!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])))))) {
4520 MonoGenericContext ctx
;
4521 MonoType
*args
[16];
4522 gpointer iter
= NULL
;
4524 while ((m
= mono_class_get_methods (method
->klass
, &iter
))) {
4525 if (mono_method_signature (m
)->generic_param_count
&& !strcmp (m
->name
, method
->name
))
4530 memset (&ctx
, 0, sizeof (ctx
));
4531 args
[0] = &mono_defaults
.object_class
->byval_arg
;
4532 ctx
.method_inst
= mono_metadata_get_generic_inst (1, args
);
4534 m
= mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m
, &ctx
, error
), TRUE
, TRUE
);
4536 g_error ("AOT runtime could not load method due to %s", mono_error_get_message (error
)); /* FIXME don't swallow the error */
4538 /* Avoid recursion */
4543 * Get the code for the <object> instantiation which should be emitted into
4544 * the mscorlib aot image by the AOT compiler.
4546 code
= (guint8
*)mono_aot_get_method_checked (domain
, m
, &inner_error
);
4547 mono_error_cleanup (&inner_error
);
4552 /* For ARRAY_ACCESSOR wrappers with reference types, use the <object> instantiation saved in corlib */
4553 if (method_index
== 0xffffff && method
->wrapper_type
== MONO_WRAPPER_UNKNOWN
) {
4554 WrapperInfo
*info
= mono_marshal_get_wrapper_info (method
);
4556 if (info
->subtype
== WRAPPER_SUBTYPE_ARRAY_ACCESSOR
) {
4557 MonoMethod
*array_method
= info
->d
.array_accessor
.method
;
4558 if (MONO_TYPE_IS_REFERENCE (&array_method
->klass
->element_class
->byval_arg
)) {
4561 if (!strcmp (array_method
->name
, "Set"))
4562 rank
= mono_method_signature (array_method
)->param_count
- 1;
4563 else if (!strcmp (array_method
->name
, "Get") || !strcmp (array_method
->name
, "Address"))
4564 rank
= mono_method_signature (array_method
)->param_count
;
4566 g_assert_not_reached ();
4567 MonoClass
*obj_array_class
= mono_array_class_get (mono_defaults
.object_class
, rank
);
4568 MonoMethod
*m
= mono_class_get_method_from_name (obj_array_class
, array_method
->name
, mono_method_signature (array_method
)->param_count
);
4571 m
= mono_marshal_get_array_accessor_wrapper (m
);
4573 code
= (guint8
*)mono_aot_get_method_checked (domain
, m
, &inner_error
);
4574 mono_error_cleanup (&inner_error
);
4582 if (method_index
== 0xffffff && method
->is_inflated
&& mono_method_is_generic_sharable_full (method
, FALSE
, TRUE
, FALSE
)) {
4583 /* Partial sharing */
4586 shared
= mini_get_shared_method (method
);
4587 method_index
= find_aot_method (shared
, &amodule
);
4588 if (method_index
!= 0xffffff)
4592 if (method_index
== 0xffffff && method
->is_inflated
&& mono_method_is_generic_sharable_full (method
, FALSE
, FALSE
, TRUE
)) {
4595 /* Use the all-vt shared method since this is what was AOTed */
4596 shared
= mini_get_shared_method_full (method
, TRUE
, TRUE
);
4597 method_index
= find_aot_method (shared
, &amodule
);
4598 if (method_index
!= 0xffffff)
4599 method
= mini_get_shared_method_full (method
, TRUE
, FALSE
);
4602 if (method_index
== 0xffffff) {
4603 if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
)) {
4606 full_name
= mono_method_full_name (method
, TRUE
);
4607 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT NOT FOUND: %s.", full_name
);
4613 if (method_index
== 0xffffff)
4616 /* Needed by find_jit_info */
4617 amodule_lock (amodule
);
4618 g_hash_table_insert (amodule
->extra_methods
, GUINT_TO_POINTER (method_index
), method
);
4619 amodule_unlock (amodule
);
4622 method_index
= mono_metadata_token_index (method
->token
) - 1;
4625 code
= (guint8
*)load_method (domain
, amodule
, klass
->image
, method
, method
->token
, method_index
, error
);
4628 if (code
&& cache_result
) {
4629 amodule_lock (amodule
);
4630 g_hash_table_insert (amodule
->method_to_code
, orig_method
, code
);
4631 amodule_unlock (amodule
);
4637 * mono_aot_get_method:
4639 * Return a pointer to the AOTed native code for METHOD if it can be found,
4641 * On platforms with function pointers, this doesn't return a function pointer.
4644 mono_aot_get_method (MonoDomain
*domain
, MonoMethod
*method
)
4648 gpointer res
= mono_aot_get_method_checked (domain
, method
, &error
);
4649 /* This is external only, so its ok to raise here */
4650 mono_error_raise_exception (&error
); /* OK to throw, external only without a good alternative */
4655 * Same as mono_aot_get_method, but we try to avoid loading any metadata from the
4659 mono_aot_get_method_from_token (MonoDomain
*domain
, MonoImage
*image
, guint32 token
, MonoError
*error
)
4661 MonoAotModule
*aot_module
= (MonoAotModule
*)image
->aot_module
;
4670 method_index
= mono_metadata_token_index (token
) - 1;
4672 res
= load_method (domain
, aot_module
, image
, NULL
, token
, method_index
, error
);
4679 } IsGotEntryUserData
;
4682 check_is_got_entry (gpointer key
, gpointer value
, gpointer user_data
)
4684 IsGotEntryUserData
*data
= (IsGotEntryUserData
*)user_data
;
4685 MonoAotModule
*aot_module
= (MonoAotModule
*)value
;
4687 if (aot_module
->got
&& (data
->addr
>= (guint8
*)(aot_module
->got
)) && (data
->addr
< (guint8
*)(aot_module
->got
+ aot_module
->info
.got_size
)))
4692 mono_aot_is_got_entry (guint8
*code
, guint8
*addr
)
4694 IsGotEntryUserData user_data
;
4699 user_data
.addr
= addr
;
4700 user_data
.res
= FALSE
;
4702 g_hash_table_foreach (aot_modules
, check_is_got_entry
, &user_data
);
4705 return user_data
.res
;
4710 MonoAotModule
*module
;
4711 } FindAotModuleUserData
;
4714 find_aot_module_cb (gpointer key
, gpointer value
, gpointer user_data
)
4716 FindAotModuleUserData
*data
= (FindAotModuleUserData
*)user_data
;
4717 MonoAotModule
*aot_module
= (MonoAotModule
*)value
;
4719 if (amodule_contains_code_addr (aot_module
, data
->addr
))
4720 data
->module
= aot_module
;
4723 static inline MonoAotModule
*
4724 find_aot_module (guint8
*code
)
4726 FindAotModuleUserData user_data
;
4731 /* Reading these need no locking */
4732 if (((gsize
)code
< aot_code_low_addr
) || ((gsize
)code
> aot_code_high_addr
))
4735 user_data
.addr
= code
;
4736 user_data
.module
= NULL
;
4739 g_hash_table_foreach (aot_modules
, find_aot_module_cb
, &user_data
);
4742 return user_data
.module
;
4746 mono_aot_patch_plt_entry (guint8
*code
, guint8
*plt_entry
, gpointer
*got
, mgreg_t
*regs
, guint8
*addr
)
4748 MonoAotModule
*amodule
;
4751 * Since AOT code is only used in the root domain,
4752 * mono_domain_get () != mono_get_root_domain () means the calling method
4753 * is AppDomain:InvokeInDomain, so this is the same check as in
4754 * mono_method_same_domain () but without loading the metadata for the method.
4756 if (mono_domain_get () == mono_get_root_domain ()) {
4758 amodule
= find_aot_module (code
);
4762 mono_arch_patch_plt_entry (plt_entry
, got
, regs
, addr
);
4767 * mono_aot_plt_resolve:
4769 * This function is called by the entries in the PLT to resolve the actual method that
4770 * needs to be called. It returns a trampoline to the method and patches the PLT entry.
4771 * Returns NULL if the something cannot be loaded.
4774 mono_aot_plt_resolve (gpointer aot_module
, guint32 plt_info_offset
, guint8
*code
, MonoError
*error
)
4776 #ifdef MONO_ARCH_AOT_SUPPORTED
4777 guint8
*p
, *target
, *plt_entry
;
4779 MonoAotModule
*module
= (MonoAotModule
*)aot_module
;
4780 gboolean res
, no_ftnptr
= FALSE
;
4782 gboolean using_gsharedvt
= FALSE
;
4786 //printf ("DYN: %p %d\n", aot_module, plt_info_offset);
4788 p
= &module
->blob
[plt_info_offset
];
4790 ji
.type
= (MonoJumpInfoType
)decode_value (p
, &p
);
4792 mp
= mono_mempool_new ();
4793 res
= decode_patch (module
, mp
, &ji
, p
, &p
);
4796 mono_mempool_destroy (mp
);
4800 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
4801 using_gsharedvt
= TRUE
;
4805 * Avoid calling resolve_patch_target in the full-aot case if possible, since
4806 * it would create a trampoline, and we don't need that.
4807 * We could do this only if the method does not need the special handling
4808 * in mono_magic_trampoline ().
4810 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
) &&
4811 !mono_method_needs_static_rgctx_invoke (ji
.data
.method
, FALSE
) && !using_gsharedvt
) {
4812 target
= (guint8
*)mono_jit_compile_method (ji
.data
.method
, error
);
4813 if (!mono_error_ok (error
)) {
4814 mono_mempool_destroy (mp
);
4819 target
= (guint8
*)mono_resolve_patch_target (NULL
, mono_domain_get (), NULL
, &ji
, TRUE
, error
);
4820 if (!mono_error_ok (error
)) {
4821 mono_mempool_destroy (mp
);
4827 * The trampoline expects us to return a function descriptor on platforms which use
4828 * it, but resolve_patch_target returns a direct function pointer for some type of
4829 * patches, so have to translate between the two.
4830 * FIXME: Clean this up, but how ?
4832 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
) {
4833 /* These should already have a function descriptor */
4834 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
4835 /* Our function descriptors have a 0 environment, gcc created ones don't */
4836 if (ji
.type
!= MONO_PATCH_INFO_INTERNAL_METHOD
&& ji
.type
!= MONO_PATCH_INFO_JIT_ICALL_ADDR
&& ji
.type
!= MONO_PATCH_INFO_ICALL_ADDR
)
4837 g_assert (((gpointer
*)target
) [2] == 0);
4840 } else if (!no_ftnptr
) {
4841 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
4842 g_assert (((gpointer
*)target
) [2] != 0);
4844 target
= (guint8
*)mono_create_ftnptr (mono_domain_get (), target
);
4847 mono_mempool_destroy (mp
);
4849 /* Patch the PLT entry with target which might be the actual method not a trampoline */
4850 plt_entry
= mono_aot_get_plt_entry (code
);
4851 g_assert (plt_entry
);
4852 mono_aot_patch_plt_entry (code
, plt_entry
, module
->got
, NULL
, target
);
4856 g_assert_not_reached ();
4864 * Initialize the PLT table of the AOT module. Called lazily when the first AOT
4865 * method in the module is loaded to avoid committing memory by writing to it.
4866 * LOCKING: Assumes the AMODULE lock is held.
4869 init_plt (MonoAotModule
*amodule
)
4874 if (amodule
->plt_inited
)
4877 if (amodule
->info
.plt_size
<= 1) {
4878 amodule
->plt_inited
= TRUE
;
4882 tramp
= mono_create_specific_trampoline (amodule
, MONO_TRAMPOLINE_AOT_PLT
, mono_get_root_domain (), NULL
);
4885 * Initialize the PLT entries in the GOT to point to the default targets.
4888 tramp
= mono_create_ftnptr (mono_domain_get (), tramp
);
4889 for (i
= 1; i
< amodule
->info
.plt_size
; ++i
)
4890 /* All the default entries point to the AOT trampoline */
4891 ((gpointer
*)amodule
->got
)[amodule
->info
.plt_got_offset_base
+ i
] = tramp
;
4893 amodule
->plt_inited
= TRUE
;
4897 * mono_aot_get_plt_entry:
4899 * Return the address of the PLT entry called by the code at CODE if exists.
4902 mono_aot_get_plt_entry (guint8
*code
)
4904 MonoAotModule
*amodule
= find_aot_module (code
);
4905 guint8
*target
= NULL
;
4911 if (is_thumb_code (amodule
, code
- 4))
4912 return mono_arm_get_thumb_plt_entry (code
);
4915 #ifdef MONO_ARCH_AOT_SUPPORTED
4916 target
= mono_arch_get_call_target (code
);
4918 g_assert_not_reached ();
4922 while (target
!= NULL
) {
4923 if ((target
>= (guint8
*)(amodule
->plt
)) && (target
< (guint8
*)(amodule
->plt_end
)))
4926 // Add 4 since mono_arch_get_call_target assumes we're passing
4927 // the instruction after the actual branch instruction.
4928 target
= mono_arch_get_call_target (target
+ 4);
4933 if ((target
>= (guint8
*)(amodule
->plt
)) && (target
< (guint8
*)(amodule
->plt_end
)))
4941 * mono_aot_get_plt_info_offset:
4943 * Return the PLT info offset belonging to the plt entry called by CODE.
4946 mono_aot_get_plt_info_offset (mgreg_t
*regs
, guint8
*code
)
4948 guint8
*plt_entry
= mono_aot_get_plt_entry (code
);
4950 g_assert (plt_entry
);
4952 /* The offset is embedded inside the code after the plt entry */
4953 #ifdef MONO_ARCH_AOT_SUPPORTED
4954 return mono_arch_get_plt_info_offset (plt_entry
, regs
, code
);
4956 g_assert_not_reached ();
4962 mono_create_ftnptr_malloc (guint8
*code
)
4964 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
4965 MonoPPCFunctionDescriptor
*ftnptr
= g_malloc0 (sizeof (MonoPPCFunctionDescriptor
));
4967 ftnptr
->code
= code
;
4978 * mono_aot_register_jit_icall:
4980 * Register a JIT icall which is called by trampolines in full-aot mode. This should
4981 * be called from mono_arch_init () during startup.
4984 mono_aot_register_jit_icall (const char *name
, gpointer addr
)
4986 /* No need for locking */
4987 if (!aot_jit_icall_hash
)
4988 aot_jit_icall_hash
= g_hash_table_new (g_str_hash
, g_str_equal
);
4989 g_hash_table_insert (aot_jit_icall_hash
, (char*)name
, addr
);
4993 * load_function_full:
4995 * Load the function named NAME from the aot image.
4998 load_function_full (MonoAotModule
*amodule
, const char *name
, MonoTrampInfo
**out_tinfo
)
5002 int n_patches
, pindex
;
5005 guint32 info_offset
;
5009 symbol
= g_strdup_printf ("%s", name
);
5010 find_amodule_symbol (amodule
, symbol
, (gpointer
*)&code
);
5013 g_error ("Symbol '%s' not found in AOT file '%s'.\n", name
, amodule
->aot_name
);
5015 mono_trace (G_LOG_LEVEL_DEBUG
, MONO_TRACE_AOT
, "AOT: FOUND function '%s' in AOT file '%s'.", name
, amodule
->aot_name
);
5019 symbol
= g_strdup_printf ("%s_p", name
);
5020 find_amodule_symbol (amodule
, symbol
, (gpointer
*)&p
);
5023 /* Nothing to patch */
5026 info_offset
= *(guint32
*)p
;
5028 MonoTrampInfo
*tinfo
;
5029 guint32 code_size
, uw_info_len
, uw_offset
;
5031 /* Construct a MonoTrampInfo from the data in the AOT image */
5033 p
+= sizeof (guint32
);
5034 code_size
= *(guint32
*)p
;
5035 p
+= sizeof (guint32
);
5036 uw_offset
= *(guint32
*)p
;
5037 uw_info
= amodule
->unwind_info
+ uw_offset
;
5038 uw_info_len
= decode_value (uw_info
, &uw_info
);
5040 tinfo
= g_new0 (MonoTrampInfo
, 1);
5041 tinfo
->code
= (guint8
*)code
;
5042 tinfo
->code_size
= code_size
;
5043 tinfo
->uw_info_len
= uw_info_len
;
5045 tinfo
->uw_info
= uw_info
;
5050 p
= amodule
->blob
+ info_offset
;
5052 /* Similar to mono_aot_load_method () */
5054 n_patches
= decode_value (p
, &p
);
5057 MonoJumpInfo
*patches
;
5060 mp
= mono_mempool_new ();
5062 patches
= load_patch_info (amodule
, mp
, n_patches
, FALSE
, &got_slots
, p
, &p
);
5065 for (pindex
= 0; pindex
< n_patches
; ++pindex
) {
5066 MonoJumpInfo
*ji
= &patches
[pindex
];
5070 if (amodule
->got
[got_slots
[pindex
]])
5074 * When this code is executed, the runtime may not be initalized yet, so
5075 * resolve the patch info by hand.
5077 if (ji
->type
== MONO_PATCH_INFO_JIT_ICALL_ADDR
) {
5078 if (!strcmp (ji
->data
.name
, "mono_get_lmf_addr")) {
5079 target
= mono_get_lmf_addr
;
5080 } else if (!strcmp (ji
->data
.name
, "mono_thread_force_interruption_checkpoint_noraise")) {
5081 target
= mono_thread_force_interruption_checkpoint_noraise
;
5082 } else if (!strcmp (ji
->data
.name
, "mono_interruption_checkpoint_from_trampoline")) {
5083 target
= mono_interruption_checkpoint_from_trampoline
;
5084 } else if (!strcmp (ji
->data
.name
, "mono_exception_from_token")) {
5085 target
= mono_exception_from_token
;
5086 } else if (!strcmp (ji
->data
.name
, "mono_throw_exception")) {
5087 target
= mono_get_throw_exception ();
5088 } else if (strstr (ji
->data
.name
, "trampoline_func_") == ji
->data
.name
) {
5089 MonoTrampolineType tramp_type2
= (MonoTrampolineType
)atoi (ji
->data
.name
+ strlen ("trampoline_func_"));
5090 target
= (gpointer
)mono_get_trampoline_func (tramp_type2
);
5091 } else if (strstr (ji
->data
.name
, "specific_trampoline_lazy_fetch_") == ji
->data
.name
) {
5092 /* atoll is needed because the the offset is unsigned */
5096 res
= sscanf (ji
->data
.name
, "specific_trampoline_lazy_fetch_%u", &slot
);
5097 g_assert (res
== 1);
5098 target
= mono_create_specific_trampoline (GUINT_TO_POINTER (slot
), MONO_TRAMPOLINE_RGCTX_LAZY_FETCH
, mono_get_root_domain (), NULL
);
5099 target
= mono_create_ftnptr_malloc ((guint8
*)target
);
5100 } else if (!strcmp (ji
->data
.name
, "debugger_agent_single_step_from_context")) {
5101 target
= debugger_agent_single_step_from_context
;
5102 } else if (!strcmp (ji
->data
.name
, "debugger_agent_breakpoint_from_context")) {
5103 target
= debugger_agent_breakpoint_from_context
;
5104 } else if (!strcmp (ji
->data
.name
, "throw_exception_addr")) {
5105 target
= mono_get_throw_exception_addr ();
5106 } else if (strstr (ji
->data
.name
, "generic_trampoline_")) {
5107 target
= mono_aot_get_trampoline (ji
->data
.name
);
5108 } else if (aot_jit_icall_hash
&& g_hash_table_lookup (aot_jit_icall_hash
, ji
->data
.name
)) {
5109 /* Registered by mono_arch_init () */
5110 target
= g_hash_table_lookup (aot_jit_icall_hash
, ji
->data
.name
);
5112 fprintf (stderr
, "Unknown relocation '%s'\n", ji
->data
.name
);
5113 g_assert_not_reached ();
5117 /* Hopefully the code doesn't have patches which need method or
5120 target
= mono_resolve_patch_target (NULL
, NULL
, (guint8
*)code
, ji
, FALSE
, &error
);
5121 mono_error_assert_ok (&error
);
5125 amodule
->got
[got_slots
[pindex
]] = target
;
5130 mono_mempool_destroy (mp
);
5137 load_function (MonoAotModule
*amodule
, const char *name
)
5139 return load_function_full (amodule
, name
, NULL
);
5142 static MonoAotModule
*
5143 get_mscorlib_aot_module (void)
5146 MonoAotModule
*amodule
;
5148 image
= mono_defaults
.corlib
;
5150 amodule
= (MonoAotModule
*)image
->aot_module
;
5152 amodule
= mscorlib_aot_module
;
5158 no_trampolines (void)
5160 g_assert_not_reached ();
5164 * Return the trampoline identified by NAME from the mscorlib AOT file.
5165 * On ppc64, this returns a function descriptor.
5168 mono_aot_get_trampoline_full (const char *name
, MonoTrampInfo
**out_tinfo
)
5170 MonoAotModule
*amodule
= get_mscorlib_aot_module ();
5172 if (mono_llvm_only
) {
5174 return no_trampolines
;
5177 return mono_create_ftnptr_malloc ((guint8
*)load_function_full (amodule
, name
, out_tinfo
));
5181 mono_aot_get_trampoline (const char *name
)
5183 MonoTrampInfo
*out_tinfo
;
5186 code
= mono_aot_get_trampoline_full (name
, &out_tinfo
);
5187 mono_aot_tramp_info_register (out_tinfo
, NULL
);
5193 read_unwind_info (MonoAotModule
*amodule
, MonoTrampInfo
*info
, const char *symbol_name
)
5195 gpointer symbol_addr
;
5196 guint32 uw_offset
, uw_info_len
;
5199 find_amodule_symbol (amodule
, symbol_name
, &symbol_addr
);
5204 uw_offset
= *(guint32
*)symbol_addr
;
5205 uw_info
= amodule
->unwind_info
+ uw_offset
;
5206 uw_info_len
= decode_value (uw_info
, &uw_info
);
5208 info
->uw_info_len
= uw_info_len
;
5210 info
->uw_info
= uw_info
;
5212 info
->uw_info
= NULL
;
5214 /* If successful return the address of the following data */
5215 return (guint32
*)symbol_addr
+ 1;
5219 #include <mach/mach.h>
5221 static TrampolinePage
* trampoline_pages
[MONO_AOT_TRAMP_NUM
];
5224 read_page_trampoline_uwinfo (MonoTrampInfo
*info
, int tramp_type
, gboolean is_generic
)
5226 char symbol_name
[128];
5228 if (tramp_type
== MONO_AOT_TRAMP_SPECIFIC
)
5229 sprintf (symbol_name
, "specific_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5230 else if (tramp_type
== MONO_AOT_TRAMP_STATIC_RGCTX
)
5231 sprintf (symbol_name
, "rgctx_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5232 else if (tramp_type
== MONO_AOT_TRAMP_IMT
)
5233 sprintf (symbol_name
, "imt_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5234 else if (tramp_type
== MONO_AOT_TRAMP_GSHAREDVT_ARG
)
5235 sprintf (symbol_name
, "gsharedvt_trampolines_page_%s_p", is_generic
? "gen" : "sp");
5237 g_assert_not_reached ();
5239 read_unwind_info (mono_defaults
.corlib
->aot_module
, info
, symbol_name
);
5242 static unsigned char*
5243 get_new_trampoline_from_page (int tramp_type
)
5245 MonoAotModule
*amodule
;
5247 TrampolinePage
*page
;
5250 vm_address_t addr
, taddr
;
5252 vm_prot_t prot
, max_prot
;
5253 int psize
, specific_trampoline_size
;
5254 unsigned char *code
;
5256 specific_trampoline_size
= 2 * sizeof (gpointer
);
5258 mono_aot_page_lock ();
5259 page
= trampoline_pages
[tramp_type
];
5260 if (page
&& page
->trampolines
< page
->trampolines_end
) {
5261 code
= page
->trampolines
;
5262 page
->trampolines
+= specific_trampoline_size
;
5263 mono_aot_page_unlock ();
5266 mono_aot_page_unlock ();
5267 /* the trampoline template page is in the mscorlib module */
5268 image
= mono_defaults
.corlib
;
5271 psize
= MONO_AOT_TRAMP_PAGE_SIZE
;
5273 amodule
= image
->aot_module
;
5276 if (tramp_type
== MONO_AOT_TRAMP_SPECIFIC
)
5277 tpage
= load_function (amodule
, "specific_trampolines_page");
5278 else if (tramp_type
== MONO_AOT_TRAMP_STATIC_RGCTX
)
5279 tpage
= load_function (amodule
, "rgctx_trampolines_page");
5280 else if (tramp_type
== MONO_AOT_TRAMP_IMT
)
5281 tpage
= load_function (amodule
, "imt_trampolines_page");
5282 else if (tramp_type
== MONO_AOT_TRAMP_GSHAREDVT_ARG
)
5283 tpage
= load_function (amodule
, "gsharedvt_arg_trampolines_page");
5285 g_error ("Incorrect tramp type for trampolines page");
5287 /*g_warning ("loaded trampolines page at %x", tpage);*/
5289 /* avoid the unlikely case of looping forever */
5292 while (page
== NULL
&& count
-- > 0) {
5293 MonoTrampInfo
*gen_info
, *sp_info
;
5296 /* allocate two contiguous pages of memory: the first page will contain the data (like a local constant pool)
5297 * while the second will contain the trampolines.
5300 ret
= vm_allocate (mach_task_self (), &addr
, psize
* 2, VM_FLAGS_ANYWHERE
);
5301 } while (ret
== KERN_ABORTED
);
5302 if (ret
!= KERN_SUCCESS
) {
5303 g_error ("Cannot allocate memory for trampolines: %d", ret
);
5306 /*g_warning ("allocated trampoline double page at %x", addr);*/
5307 /* replace the second page with a remapped trampoline page */
5308 taddr
= addr
+ psize
;
5309 vm_deallocate (mach_task_self (), taddr
, psize
);
5310 ret
= vm_remap (mach_task_self (), &taddr
, psize
, 0, FALSE
, mach_task_self(), (vm_address_t
)tpage
, FALSE
, &prot
, &max_prot
, VM_INHERIT_SHARE
);
5311 if (ret
!= KERN_SUCCESS
) {
5312 /* someone else got the page, try again */
5313 vm_deallocate (mach_task_self (), addr
, psize
);
5316 /*g_warning ("remapped trampoline page at %x", taddr);*/
5318 mono_aot_page_lock ();
5319 page
= trampoline_pages
[tramp_type
];
5320 /* some other thread already allocated, so use that to avoid wasting memory */
5321 if (page
&& page
->trampolines
< page
->trampolines_end
) {
5322 code
= page
->trampolines
;
5323 page
->trampolines
+= specific_trampoline_size
;
5324 mono_aot_page_unlock ();
5325 vm_deallocate (mach_task_self (), addr
, psize
);
5326 vm_deallocate (mach_task_self (), taddr
, psize
);
5329 page
= (TrampolinePage
*)addr
;
5330 page
->next
= trampoline_pages
[tramp_type
];
5331 trampoline_pages
[tramp_type
] = page
;
5332 page
->trampolines
= (void*)(taddr
+ amodule
->info
.tramp_page_code_offsets
[tramp_type
]);
5333 page
->trampolines_end
= (void*)(taddr
+ psize
- 64);
5334 code
= page
->trampolines
;
5335 page
->trampolines
+= specific_trampoline_size
;
5336 mono_aot_page_unlock ();
5338 /* Register the generic part at the beggining of the trampoline page */
5339 gen_info
= mono_tramp_info_create (NULL
, (guint8
*)taddr
, amodule
->info
.tramp_page_code_offsets
[tramp_type
], NULL
, NULL
);
5340 read_page_trampoline_uwinfo (gen_info
, tramp_type
, TRUE
);
5341 mono_aot_tramp_info_register (gen_info
, NULL
);
5344 * Registering each specific trampoline produces a lot of
5345 * MonoJitInfo structures. Jump trampolines are also registered
5348 if (tramp_type
!= MONO_AOT_TRAMP_SPECIFIC
) {
5349 /* Register the rest of the page as a single trampoline */
5350 sp_info
= mono_tramp_info_create (NULL
, code
, page
->trampolines_end
- code
, NULL
, NULL
);
5351 read_page_trampoline_uwinfo (sp_info
, tramp_type
, FALSE
);
5352 mono_aot_tramp_info_register (sp_info
, NULL
);
5356 g_error ("Cannot allocate more trampoline pages: %d", ret
);
5361 static unsigned char*
5362 get_new_trampoline_from_page (int tramp_type
)
5364 g_error ("Page trampolines not supported.");
5371 get_new_specific_trampoline_from_page (gpointer tramp
, gpointer arg
)
5376 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_SPECIFIC
);
5378 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5381 /*g_warning ("new trampoline at %p for data %p, tramp %p (stored at %p)", code, arg, tramp, data);*/
5387 get_new_rgctx_trampoline_from_page (gpointer tramp
, gpointer arg
)
5392 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_STATIC_RGCTX
);
5394 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5397 /*g_warning ("new rgctx trampoline at %p for data %p, tramp %p (stored at %p)", code, arg, tramp, data);*/
5403 get_new_imt_trampoline_from_page (gpointer arg
)
5408 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_IMT
);
5410 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5412 /*g_warning ("new imt trampoline at %p for data %p, (stored at %p)", code, arg, data);*/
5418 get_new_gsharedvt_arg_trampoline_from_page (gpointer tramp
, gpointer arg
)
5423 code
= get_new_trampoline_from_page (MONO_AOT_TRAMP_GSHAREDVT_ARG
);
5425 data
= (gpointer
*)((char*)code
- MONO_AOT_TRAMP_PAGE_SIZE
);
5428 /*g_warning ("new rgctx trampoline at %p for data %p, tramp %p (stored at %p)", code, arg, tramp, data);*/
5432 /* Return a given kind of trampoline */
5433 /* FIXME set unwind info for these trampolines */
5435 get_numerous_trampoline (MonoAotTrampoline tramp_type
, int n_got_slots
, MonoAotModule
**out_amodule
, guint32
*got_offset
, guint32
*out_tramp_size
)
5438 MonoAotModule
*amodule
= get_mscorlib_aot_module ();
5439 int index
, tramp_size
;
5441 /* Currently, we keep all trampolines in the mscorlib AOT image */
5442 image
= mono_defaults
.corlib
;
5444 *out_amodule
= amodule
;
5449 #define MONOTOUCH_TRAMPOLINES_ERROR ". See http://docs.xamarin.com/ios/troubleshooting for instructions on how to fix this condition."
5451 #define MONOTOUCH_TRAMPOLINES_ERROR ""
5453 if (amodule
->trampoline_index
[tramp_type
] == amodule
->info
.num_trampolines
[tramp_type
]) {
5454 g_error ("Ran out of trampolines of type %d in '%s' (limit %d)%s\n",
5455 tramp_type
, image
? image
->name
: "mscorlib", amodule
->info
.num_trampolines
[tramp_type
], MONOTOUCH_TRAMPOLINES_ERROR
);
5457 index
= amodule
->trampoline_index
[tramp_type
] ++;
5461 *got_offset
= amodule
->info
.trampoline_got_offset_base
[tramp_type
] + (index
* n_got_slots
);
5463 tramp_size
= amodule
->info
.trampoline_size
[tramp_type
];
5466 *out_tramp_size
= tramp_size
;
5468 return amodule
->trampolines
[tramp_type
] + (index
* tramp_size
);
5472 no_specific_trampoline (void)
5474 g_assert_not_reached ();
5478 * Return a specific trampoline from the AOT file.
5481 mono_aot_create_specific_trampoline (MonoImage
*image
, gpointer arg1
, MonoTrampolineType tramp_type
, MonoDomain
*domain
, guint32
*code_len
)
5483 MonoAotModule
*amodule
;
5484 guint32 got_offset
, tramp_size
;
5485 guint8
*code
, *tramp
;
5486 static gpointer generic_trampolines
[MONO_TRAMPOLINE_NUM
];
5487 static gboolean inited
;
5488 static guint32 num_trampolines
;
5490 if (mono_llvm_only
) {
5492 return no_specific_trampoline
;
5499 mono_counters_register ("Specific trampolines", MONO_COUNTER_JIT
| MONO_COUNTER_INT
, &num_trampolines
);
5508 if (!generic_trampolines
[tramp_type
]) {
5511 symbol
= mono_get_generic_trampoline_name (tramp_type
);
5512 generic_trampolines
[tramp_type
] = mono_aot_get_trampoline (symbol
);
5516 tramp
= (guint8
*)generic_trampolines
[tramp_type
];
5519 if (USE_PAGE_TRAMPOLINES
) {
5520 code
= (guint8
*)get_new_specific_trampoline_from_page (tramp
, arg1
);
5523 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_SPECIFIC
, 2, &amodule
, &got_offset
, &tramp_size
);
5525 amodule
->got
[got_offset
] = tramp
;
5526 amodule
->got
[got_offset
+ 1] = arg1
;
5530 *code_len
= tramp_size
;
5536 mono_aot_get_static_rgctx_trampoline (gpointer ctx
, gpointer addr
)
5538 MonoAotModule
*amodule
;
5542 if (USE_PAGE_TRAMPOLINES
) {
5543 code
= (guint8
*)get_new_rgctx_trampoline_from_page (addr
, ctx
);
5545 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_STATIC_RGCTX
, 2, &amodule
, &got_offset
, NULL
);
5547 amodule
->got
[got_offset
] = ctx
;
5548 amodule
->got
[got_offset
+ 1] = addr
;
5551 /* The caller expects an ftnptr */
5552 return mono_create_ftnptr (mono_domain_get (), code
);
5556 mono_aot_get_unbox_trampoline (MonoMethod
*method
)
5558 guint32 method_index
= mono_metadata_token_index (method
->token
) - 1;
5559 MonoAotModule
*amodule
;
5561 guint32
*ut
, *ut_end
, *entry
;
5562 int low
, high
, entry_index
= 0;
5563 gpointer symbol_addr
;
5564 MonoTrampInfo
*tinfo
;
5566 if (method
->is_inflated
&& !mono_method_is_generic_sharable_full (method
, FALSE
, FALSE
, FALSE
)) {
5567 method_index
= find_aot_method (method
, &amodule
);
5568 if (method_index
== 0xffffff && mono_method_is_generic_sharable_full (method
, FALSE
, TRUE
, FALSE
)) {
5569 MonoMethod
*shared
= mini_get_shared_method_full (method
, FALSE
, FALSE
);
5570 method_index
= find_aot_method (shared
, &amodule
);
5572 if (method_index
== 0xffffff && mono_method_is_generic_sharable_full (method
, FALSE
, TRUE
, TRUE
)) {
5573 MonoMethod
*shared
= mini_get_shared_method_full (method
, TRUE
, TRUE
);
5574 method_index
= find_aot_method (shared
, &amodule
);
5576 g_assert (method_index
!= 0xffffff);
5578 amodule
= (MonoAotModule
*)method
->klass
->image
->aot_module
;
5582 if (amodule
->info
.llvm_get_unbox_tramp
) {
5583 gpointer (*get_tramp
) (int) = (gpointer (*)(int))amodule
->info
.llvm_get_unbox_tramp
;
5584 code
= get_tramp (method_index
);
5590 ut
= amodule
->unbox_trampolines
;
5591 ut_end
= amodule
->unbox_trampolines_end
;
5593 /* Do a binary search in the sorted table */
5596 high
= (ut_end
- ut
);
5597 while (low
< high
) {
5598 entry_index
= (low
+ high
) / 2;
5599 entry
= &ut
[entry_index
];
5600 if (entry
[0] < method_index
) {
5601 low
= entry_index
+ 1;
5602 } else if (entry
[0] > method_index
) {
5609 code
= get_call_table_entry (amodule
->unbox_trampoline_addresses
, entry_index
);
5612 tinfo
= mono_tramp_info_create (NULL
, (guint8
*)code
, 0, NULL
, NULL
);
5614 symbol_addr
= read_unwind_info (amodule
, tinfo
, "unbox_trampoline_p");
5616 mono_tramp_info_free (tinfo
);
5620 tinfo
->code_size
= *(guint32
*)symbol_addr
;
5621 mono_aot_tramp_info_register (tinfo
, NULL
);
5623 /* The caller expects an ftnptr */
5624 return mono_create_ftnptr (mono_domain_get (), code
);
5628 mono_aot_get_lazy_fetch_trampoline (guint32 slot
)
5632 MonoAotModule
*amodule
= (MonoAotModule
*)mono_defaults
.corlib
->aot_module
;
5633 guint32 index
= MONO_RGCTX_SLOT_INDEX (slot
);
5634 static int count
= 0;
5637 if (index
>= amodule
->info
.num_rgctx_fetch_trampolines
) {
5638 static gpointer addr
;
5642 * Use the general version of the rgctx fetch trampoline. It receives a pair of <slot, trampoline> in the rgctx arg reg.
5645 addr
= load_function (amodule
, "rgctx_fetch_trampoline_general");
5646 info
= (void **)mono_domain_alloc0 (mono_get_root_domain (), sizeof (gpointer
) * 2);
5647 info
[0] = GUINT_TO_POINTER (slot
);
5648 info
[1] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot
), MONO_TRAMPOLINE_RGCTX_LAZY_FETCH
, mono_get_root_domain (), NULL
);
5649 code
= mono_aot_get_static_rgctx_trampoline (info
, addr
);
5650 return mono_create_ftnptr (mono_domain_get (), code
);
5653 symbol
= mono_get_rgctx_fetch_trampoline_name (slot
);
5654 code
= load_function ((MonoAotModule
*)mono_defaults
.corlib
->aot_module
, symbol
);
5656 /* The caller expects an ftnptr */
5657 return mono_create_ftnptr (mono_domain_get (), code
);
5661 no_imt_trampoline (void)
5663 g_assert_not_reached ();
5667 mono_aot_get_imt_trampoline (MonoVTable
*vtable
, MonoDomain
*domain
, MonoIMTCheckItem
**imt_entries
, int count
, gpointer fail_tramp
)
5672 int i
, index
, real_count
;
5673 MonoAotModule
*amodule
;
5676 return no_imt_trampoline
;
5679 for (i
= 0; i
< count
; ++i
) {
5680 MonoIMTCheckItem
*item
= imt_entries
[i
];
5682 if (item
->is_equals
)
5686 /* Save the entries into an array */
5687 buf
= (void **)mono_domain_alloc (domain
, (real_count
+ 1) * 2 * sizeof (gpointer
));
5689 for (i
= 0; i
< count
; ++i
) {
5690 MonoIMTCheckItem
*item
= imt_entries
[i
];
5692 if (!item
->is_equals
)
5695 g_assert (item
->key
);
5697 buf
[(index
* 2)] = item
->key
;
5698 if (item
->has_target_code
) {
5699 gpointer
*p
= (gpointer
*)mono_domain_alloc (domain
, sizeof (gpointer
));
5700 *p
= item
->value
.target_code
;
5701 buf
[(index
* 2) + 1] = p
;
5703 buf
[(index
* 2) + 1] = &(vtable
->vtable
[item
->value
.vtable_slot
]);
5707 buf
[(index
* 2)] = NULL
;
5708 buf
[(index
* 2) + 1] = fail_tramp
;
5710 if (USE_PAGE_TRAMPOLINES
) {
5711 code
= get_new_imt_trampoline_from_page (buf
);
5713 code
= get_numerous_trampoline (MONO_AOT_TRAMP_IMT
, 1, &amodule
, &got_offset
, NULL
);
5715 amodule
->got
[got_offset
] = buf
;
5722 mono_aot_get_gsharedvt_arg_trampoline (gpointer arg
, gpointer addr
)
5724 MonoAotModule
*amodule
;
5728 if (USE_PAGE_TRAMPOLINES
) {
5729 code
= (guint8
*)get_new_gsharedvt_arg_trampoline_from_page (addr
, arg
);
5731 code
= (guint8
*)get_numerous_trampoline (MONO_AOT_TRAMP_GSHAREDVT_ARG
, 2, &amodule
, &got_offset
, NULL
);
5733 amodule
->got
[got_offset
] = arg
;
5734 amodule
->got
[got_offset
+ 1] = addr
;
5737 /* The caller expects an ftnptr */
5738 return mono_create_ftnptr (mono_domain_get (), code
);
5742 * mono_aot_set_make_unreadable:
5744 * Set whenever to make all mmaped memory unreadable. In conjuction with a
5745 * SIGSEGV handler, this is useful to find out which pages the runtime tries to read.
5748 mono_aot_set_make_unreadable (gboolean unreadable
)
5752 make_unreadable
= unreadable
;
5754 if (make_unreadable
&& !inited
) {
5755 mono_counters_register ("AOT: pagefaults", MONO_COUNTER_JIT
| MONO_COUNTER_INT
, &n_pagefaults
);
5760 MonoAotModule
*module
;
5765 find_map (gpointer key
, gpointer value
, gpointer user_data
)
5767 MonoAotModule
*module
= (MonoAotModule
*)value
;
5768 FindMapUserData
*data
= (FindMapUserData
*)user_data
;
5771 if ((data
->ptr
>= module
->mem_begin
) && (data
->ptr
< module
->mem_end
))
5772 data
->module
= module
;
5775 static MonoAotModule
*
5776 find_module_for_addr (void *ptr
)
5778 FindMapUserData data
;
5780 if (!make_unreadable
)
5784 data
.ptr
= (guint8
*)ptr
;
5787 g_hash_table_foreach (aot_modules
, (GHFunc
)find_map
, &data
);
5794 * mono_aot_is_pagefault:
5796 * Should be called from a SIGSEGV signal handler to find out whenever @ptr is
5797 * within memory allocated by this module.
5800 mono_aot_is_pagefault (void *ptr
)
5802 if (!make_unreadable
)
5806 * Not signal safe, but SIGSEGV's are synchronous, and
5807 * this is only turned on by a MONO_DEBUG option.
5809 return find_module_for_addr (ptr
) != NULL
;
5813 * mono_aot_handle_pagefault:
5815 * Handle a pagefault caused by an unreadable page by making it readable again.
5818 mono_aot_handle_pagefault (void *ptr
)
5820 #ifndef PLATFORM_WIN32
5821 guint8
* start
= (guint8
*)ROUND_DOWN (((gssize
)ptr
), mono_pagesize ());
5825 res
= mono_mprotect (start
, mono_pagesize (), MONO_MMAP_READ
|MONO_MMAP_WRITE
|MONO_MMAP_EXEC
);
5826 g_assert (res
== 0);
5837 mono_aot_init (void)
5842 mono_aot_cleanup (void)
5847 mono_aot_find_method_index (MonoMethod
*method
)
5849 g_assert_not_reached ();
5854 mono_aot_init_llvm_method (gpointer aot_module
, guint32 method_index
)
5859 mono_aot_init_gshared_method_this (gpointer aot_module
, guint32 method_index
, MonoObject
*this)
5864 mono_aot_init_gshared_method_mrgctx (gpointer aot_module
, guint32 method_index
, MonoMethodRuntimeGenericContext
*rgctx
)
5869 mono_aot_init_gshared_method_vtable (gpointer aot_module
, guint32 method_index
, MonoVTable
*vtable
)
5874 mono_aot_get_method (MonoDomain
*domain
, MonoMethod
*method
)
5880 mono_aot_get_method_checked (MonoDomain
*domain
,
5881 MonoMethod
*method
, MonoError
*error
)
5888 mono_aot_is_got_entry (guint8
*code
, guint8
*addr
)
5894 mono_aot_get_cached_class_info (MonoClass
*klass
, MonoCachedClassInfo
*res
)
5900 mono_aot_get_class_from_name (MonoImage
*image
, const char *name_space
, const char *name
, MonoClass
**klass
)
5906 mono_aot_find_jit_info (MonoDomain
*domain
, MonoImage
*image
, gpointer addr
)
5912 mono_aot_get_method_from_token (MonoDomain
*domain
, MonoImage
*image
, guint32 token
, MonoError
*error
)
5919 mono_aot_get_plt_entry (guint8
*code
)
5925 mono_aot_plt_resolve (gpointer aot_module
, guint32 plt_info_offset
, guint8
*code
, MonoError
*error
)
5931 mono_aot_patch_plt_entry (guint8
*code
, guint8
*plt_entry
, gpointer
*got
, mgreg_t
*regs
, guint8
*addr
)
5936 mono_aot_get_method_from_vt_slot (MonoDomain
*domain
, MonoVTable
*vtable
, int slot
, MonoError
*error
)
5944 mono_aot_get_plt_info_offset (mgreg_t
*regs
, guint8
*code
)
5946 g_assert_not_reached ();
5952 mono_aot_create_specific_trampoline (MonoImage
*image
, gpointer arg1
, MonoTrampolineType tramp_type
, MonoDomain
*domain
, guint32
*code_len
)
5954 g_assert_not_reached ();
5959 mono_aot_get_static_rgctx_trampoline (gpointer ctx
, gpointer addr
)
5961 g_assert_not_reached ();
5966 mono_aot_get_trampoline_full (const char *name
, MonoTrampInfo
**out_tinfo
)
5968 g_assert_not_reached ();
5973 mono_aot_get_trampoline (const char *name
)
5975 g_assert_not_reached ();
5980 mono_aot_get_unbox_trampoline (MonoMethod
*method
)
5982 g_assert_not_reached ();
5987 mono_aot_get_lazy_fetch_trampoline (guint32 slot
)
5989 g_assert_not_reached ();
5994 mono_aot_get_imt_trampoline (MonoVTable
*vtable
, MonoDomain
*domain
, MonoIMTCheckItem
**imt_entries
, int count
, gpointer fail_tramp
)
5996 g_assert_not_reached ();
6001 mono_aot_get_gsharedvt_arg_trampoline (gpointer arg
, gpointer addr
)
6003 g_assert_not_reached ();
6008 mono_aot_set_make_unreadable (gboolean unreadable
)
6013 mono_aot_is_pagefault (void *ptr
)
6019 mono_aot_handle_pagefault (void *ptr
)
6024 mono_aot_get_unwind_info (MonoJitInfo
*ji
, guint32
*unwind_info_len
)
6026 g_assert_not_reached ();
6031 mono_aot_register_jit_icall (const char *name
, gpointer addr
)