-
-
Notifications
You must be signed in to change notification settings - Fork 5.4k
/
julia_internal.h
1122 lines (994 loc) · 45.1 KB
/
julia_internal.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// This file is a part of Julia. License is MIT: https://julialang.org/license
#ifndef JL_INTERNAL_H
#define JL_INTERNAL_H
#include "options.h"
#include "locks.h"
#include <uv.h>
#if !defined(_MSC_VER) && !defined(__MINGW32__)
#include <unistd.h>
#include <sched.h>
#else
#define sleep(x) Sleep(1000*x)
#endif
#ifdef __has_builtin
# define jl_has_builtin(x) __has_builtin(x)
#else
# define jl_has_builtin(x) 0
#endif
#if defined(__has_feature)
#if __has_feature(address_sanitizer)
#define JL_ASAN_ENABLED // Clang flavor
#endif
#elif defined(__SANITIZE_ADDRESS__)
#define JL_ASAN_ENABLED // GCC flavor
#endif
#if defined(__has_feature)
#if __has_feature(memory_sanitizer)
#define JL_MSAN_ENABLED
#endif
#endif
// Remove when C11 is required for C code.
#ifndef static_assert
# ifndef __cplusplus
// C11 should already have `static_assert` from `<assert.h>` so there's no need
// to check C version.
# ifdef __GNUC__
# define static_assert _Static_assert
# else
# define static_assert(...)
# endif
# endif
// For C++, C++11 or MSVC is required. Both provide `static_assert`.
#endif
#ifndef alignof
# ifndef __cplusplus
# ifdef __GNUC__
# define alignof _Alignof
# else
# define alignof(...) 1
# endif
# endif
#endif
#if jl_has_builtin(__builtin_assume)
#define jl_assume(cond) (__extension__ ({ \
__typeof__(cond) cond_ = (cond); \
__builtin_assume(!!(cond_)); \
cond_; \
}))
#elif defined(_COMPILER_MICROSOFT_) && defined(__cplusplus)
template<typename T>
static inline T
jl_assume(T v)
{
__assume(!!v);
return v;
}
#elif defined(_COMPILER_INTEL_)
#define jl_assume(cond) (__extension__ ({ \
__typeof__(cond) cond_ = (cond); \
__assume(!!(cond_)); \
cond_; \
}))
#elif defined(__GNUC__)
static inline void jl_assume_(int cond)
{
if (!cond) {
__builtin_unreachable();
}
}
#define jl_assume(cond) (__extension__ ({ \
__typeof__(cond) cond_ = (cond); \
jl_assume_(!!(cond_)); \
cond_; \
}))
#else
#define jl_assume(cond) (cond)
#endif
#if defined(__GLIBC__) && defined(JULIA_HAS_IFUNC_SUPPORT)
// Make sure both the compiler and the glibc supports it.
// Only enable this on known working glibc versions.
# if (defined(_CPU_X86_) || defined(_CPU_X86_64_)) && __GLIBC_PREREQ(2, 12)
# define JL_USE_IFUNC 1
# elif (defined(_CPU_ARM_) || defined(_CPU_AARCH64_)) && __GLIBC_PREREQ(2, 18)
// This is the oldest tested version that supports ifunc.
# define JL_USE_IFUNC 1
# endif
// TODO: PPC probably supports ifunc on some glibc versions too
#endif
// Make sure JL_USE_IFUNC is always defined to catch include errors.
#ifndef JL_USE_IFUNC
# define JL_USE_IFUNC 0
#endif
// If this is detected in a backtrace of segfault, it means the functions
// that use this value must be reworked into their async form with cb arg
// provided and with JL_UV_LOCK used around the calls
static uv_loop_t *const unused_uv_loop_arg = (uv_loop_t *)0xBAD10;
extern jl_mutex_t jl_uv_mutex;
extern int jl_uv_n_waiters;
void JL_UV_LOCK(void);
#define JL_UV_UNLOCK() JL_UNLOCK(&jl_uv_mutex)
#ifdef __cplusplus
extern "C" {
#endif
#include "timing.h"
#ifdef _COMPILER_MICROSOFT_
# define jl_return_address() ((uintptr_t)_ReturnAddress())
#else
# define jl_return_address() ((uintptr_t)__builtin_return_address(0))
#endif
STATIC_INLINE uint32_t jl_int32hash_fast(uint32_t a)
{
// a = (a+0x7ed55d16) + (a<<12);
// a = (a^0xc761c23c) ^ (a>>19);
// a = (a+0x165667b1) + (a<<5);
// a = (a+0xd3a2646c) ^ (a<<9);
// a = (a+0xfd7046c5) + (a<<3);
// a = (a^0xb55a4f09) ^ (a>>16);
return a; // identity hashing seems to work well enough here
}
#define GC_CLEAN 0 // freshly allocated
#define GC_MARKED 1 // reachable and young
#define GC_OLD 2 // if it is reachable it will be marked as old
#define GC_OLD_MARKED (GC_OLD | GC_MARKED) // reachable and old
// useful constants
extern jl_methtable_t *jl_type_type_mt JL_GLOBALLY_ROOTED;
extern jl_methtable_t *jl_nonfunction_mt JL_GLOBALLY_ROOTED;
JL_DLLEXPORT extern size_t jl_world_counter;
typedef void (*tracer_cb)(jl_value_t *tracee);
void jl_call_tracer(tracer_cb callback, jl_value_t *tracee);
extern size_t jl_page_size;
extern jl_function_t *jl_typeinf_func;
extern size_t jl_typeinf_world;
JL_DLLEXPORT extern int jl_lineno;
JL_DLLEXPORT extern const char *jl_filename;
JL_DLLEXPORT jl_value_t *jl_gc_pool_alloc(jl_ptls_t ptls, int pool_offset,
int osize);
JL_DLLEXPORT jl_value_t *jl_gc_big_alloc(jl_ptls_t ptls, size_t allocsz);
int jl_gc_classify_pools(size_t sz, int *osize);
extern jl_mutex_t gc_perm_lock;
void *jl_gc_perm_alloc_nolock(size_t sz, int zero,
unsigned align, unsigned offset) JL_NOTSAFEPOINT;
void *jl_gc_perm_alloc(size_t sz, int zero,
unsigned align, unsigned offset) JL_NOTSAFEPOINT;
void jl_gc_force_mark_old(jl_ptls_t ptls, jl_value_t *v);
void gc_sweep_sysimg(void);
// pools are 16376 bytes large (GC_POOL_SZ - GC_PAGE_OFFSET)
static const int jl_gc_sizeclasses[] = {
#ifdef _P64
8,
#elif defined(_CPU_ARM_) || defined(_CPU_PPC_)
// ARM and PowerPC have max alignment of 8,
// make sure allocation of size 8 has that alignment.
4, 8,
#else
4, 8, 12,
#endif
// 16 pools at 16-byte spacing
16, 32, 48, 64, 80, 96, 112, 128,
144, 160, 176, 192, 208, 224, 240, 256,
// the following tables are computed for maximum packing efficiency via the formula:
// sz=(div(2^14-8,rng)÷16)*16; hcat(sz, (2^14-8)÷sz, 2^14-(2^14-8)÷sz.*sz)'
// rng = 60:-4:32 (8 pools)
272, 288, 304, 336, 368, 400, 448, 496,
// 60, 56, 53, 48, 44, 40, 36, 33, /pool
// 64, 256, 272, 256, 192, 384, 256, 16, bytes lost
// rng = 30:-2:16 (8 pools)
544, 576, 624, 672, 736, 816, 896, 1008,
// 30, 28, 26, 24, 22, 20, 18, 16, /pool
// 64, 256, 160, 256, 192, 64, 256, 256, bytes lost
// rng = 15:-1:8 (8 pools)
1088, 1168, 1248, 1360, 1488, 1632, 1808, 2032
// 15, 14, 13, 12, 11, 10, 9, 8, /pool
// 64, 32, 160, 64, 16, 64, 112, 128, bytes lost
};
static_assert(sizeof(jl_gc_sizeclasses) / sizeof(jl_gc_sizeclasses[0]) == JL_GC_N_POOLS, "");
STATIC_INLINE int jl_gc_alignment(size_t sz)
{
if (sz == 0)
return sizeof(void*);
#ifdef _P64
(void)sz;
return 16;
#elif defined(_CPU_ARM_) || defined(_CPU_PPC_)
return sz <= 4 ? 8 : 16;
#else
// szclass 8
if (sz <= 4)
return 8;
// szclass 12
if (sz <= 8)
return 4;
// szclass 16+
return 16;
#endif
}
JL_DLLEXPORT int jl_alignment(size_t sz);
// the following table is computed from jl_gc_sizeclasses via the formula:
// [searchsortedfirst(TABLE, i) for i = 0:16:table[end]]
static const uint8_t szclass_table[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 20, 21, 21, 22, 22, 23, 23, 23, 24, 24, 24, 25, 25, 25, 26, 26, 27, 27, 27, 28, 28, 28, 29, 29, 29, 29, 30, 30, 30, 30, 30, 31, 31, 31, 31, 31, 32, 32, 32, 32, 32, 32, 32, 33, 33, 33, 33, 33, 34, 34, 34, 34, 34, 35, 35, 35, 35, 35, 36, 36, 36, 36, 36, 36, 36, 37, 37, 37, 37, 37, 37, 37, 37, 38, 38, 38, 38, 38, 38, 38, 38, 38, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40};
static_assert(sizeof(szclass_table) == 128, "");
STATIC_INLINE uint8_t JL_CONST_FUNC jl_gc_szclass(unsigned sz)
{
assert(sz <= 2032);
uint8_t klass = szclass_table[(sz + 15) / 16];
#ifdef _P64
if (sz <= 8)
return 0;
const int N = 0;
#elif defined(_CPU_ARM_) || defined(_CPU_PPC_)
if (sz <= 8)
return (sz >= 4 ? 1 : 0);
const int N = 1;
#else
if (sz <= 12)
return (sz >= 8 ? 2 : (sz >= 4 ? 1 : 0));
const int N = 2;
#endif
return klass + N;
}
#define JL_SMALL_BYTE_ALIGNMENT 16
#define JL_CACHE_BYTE_ALIGNMENT 64
// JL_HEAP_ALIGNMENT is the maximum alignment that the GC can provide
#define JL_HEAP_ALIGNMENT JL_SMALL_BYTE_ALIGNMENT
#define GC_MAX_SZCLASS (2032-sizeof(void*))
STATIC_INLINE jl_value_t *jl_gc_alloc_(jl_ptls_t ptls, size_t sz, void *ty)
{
jl_value_t *v;
const size_t allocsz = sz + sizeof(jl_taggedvalue_t);
if (sz <= GC_MAX_SZCLASS) {
int pool_id = jl_gc_szclass(allocsz);
jl_gc_pool_t *p = &ptls->heap.norm_pools[pool_id];
int osize = jl_gc_sizeclasses[pool_id];
v = jl_gc_pool_alloc(ptls, (char*)p - (char*)ptls, osize);
}
else {
if (allocsz < sz) // overflow in adding offs, size was "negative"
jl_throw(jl_memory_exception);
v = jl_gc_big_alloc(ptls, allocsz);
}
jl_set_typeof(v, ty);
return v;
}
JL_DLLEXPORT jl_value_t *jl_gc_alloc(jl_ptls_t ptls, size_t sz, void *ty);
// On GCC, only inline when sz is constant
#ifdef __GNUC__
# define jl_gc_alloc(ptls, sz, ty) \
(__builtin_constant_p(sz) ? \
jl_gc_alloc_(ptls, sz, ty) : \
(jl_gc_alloc)(ptls, sz, ty))
#else
# define jl_gc_alloc(ptls, sz, ty) jl_gc_alloc_(ptls, sz, ty)
#endif
// jl_buff_tag must be a multiple of GC_PAGE_SZ so that it can't be
// confused for an actual type reference.
#define jl_buff_tag ((uintptr_t)0x4eadc000)
typedef void jl_gc_tracked_buffer_t; // For the benefit of the static analyzer
STATIC_INLINE jl_gc_tracked_buffer_t *jl_gc_alloc_buf(jl_ptls_t ptls, size_t sz)
{
return jl_gc_alloc(ptls, sz, (void*)jl_buff_tag);
}
STATIC_INLINE jl_value_t *jl_gc_permobj(size_t sz, void *ty)
{
const size_t allocsz = sz + sizeof(jl_taggedvalue_t);
unsigned align = (sz == 0 ? sizeof(void*) : (allocsz <= sizeof(void*) * 2 ?
sizeof(void*) * 2 : 16));
jl_taggedvalue_t *o = (jl_taggedvalue_t*)jl_gc_perm_alloc(allocsz, 0, align,
sizeof(void*) % align);
uintptr_t tag = (uintptr_t)ty;
o->header = tag | GC_OLD_MARKED;
return jl_valueof(o);
}
jl_value_t *jl_permbox8(jl_datatype_t *t, int8_t x);
jl_value_t *jl_permbox16(jl_datatype_t *t, int16_t x);
jl_value_t *jl_permbox32(jl_datatype_t *t, int32_t x);
jl_value_t *jl_permbox64(jl_datatype_t *t, int64_t x);
jl_svec_t *jl_perm_symsvec(size_t n, ...);
// Returns a int32 where the high 16 bits are a lower bound of the number of non-pointer fields
// at the beginning of the type and the low 16 bits are a lower bound on the number of non-pointer
// fields at the end of the type. This field only exists for a layout that has at least one
// pointer fields.
#define jl_datatype_layout_n_nonptr(layout) ((uint32_t*)(layout))[-1]
jl_value_t *jl_gc_realloc_string(jl_value_t *s, size_t sz);
JL_DLLEXPORT void *jl_gc_counted_malloc(size_t sz);
JL_DLLEXPORT void JL_NORETURN jl_throw_out_of_memory_error(void);
jl_code_info_t *jl_type_infer(jl_method_instance_t *li, size_t world, int force);
jl_code_instance_t *jl_compile_method_internal(jl_method_instance_t *meth JL_PROPAGATES_ROOT, size_t world);
void jl_generate_fptr(jl_code_instance_t *codeinst);
jl_code_instance_t *jl_compile_linfo(
jl_method_instance_t *li JL_PROPAGATES_ROOT,
jl_code_info_t *src JL_MAYBE_UNROOTED,
size_t world,
const jl_cgparams_t *params);
JL_DLLEXPORT jl_code_instance_t *jl_get_method_inferred(
jl_method_instance_t *mi JL_PROPAGATES_ROOT, jl_value_t *rettype,
size_t min_world, size_t max_world);
jl_method_instance_t *jl_get_unspecialized(jl_method_instance_t *method JL_PROPAGATES_ROOT);
JL_DLLEXPORT int jl_compile_hint(jl_tupletype_t *types);
jl_code_info_t *jl_code_for_interpreter(jl_method_instance_t *lam JL_PROPAGATES_ROOT);
int jl_code_requires_compiler(jl_code_info_t *src);
jl_code_info_t *jl_new_code_info_from_ast(jl_expr_t *ast);
JL_DLLEXPORT jl_code_info_t *jl_new_code_info_uninit(void);
jl_value_t *jl_argtype_with_function(jl_function_t *f, jl_value_t *types);
JL_DLLEXPORT jl_value_t *jl_apply_2va(jl_value_t *f, jl_value_t **args, uint32_t nargs);
void jl_gc_sync_total_bytes(void);
void jl_gc_track_malloced_array(jl_ptls_t ptls, jl_array_t *a) JL_NOTSAFEPOINT;
void jl_gc_count_allocd(size_t sz) JL_NOTSAFEPOINT;
void jl_gc_run_all_finalizers(jl_ptls_t ptls);
void gc_queue_binding(jl_binding_t *bnd) JL_NOTSAFEPOINT;
void gc_setmark_buf(jl_ptls_t ptls, void *buf, uint8_t, size_t) JL_NOTSAFEPOINT;
STATIC_INLINE void jl_gc_wb_binding(jl_binding_t *bnd, void *val) JL_NOTSAFEPOINT // val isa jl_value_t*
{
if (__unlikely(jl_astaggedvalue(bnd)->bits.gc == 3 &&
(jl_astaggedvalue(val)->bits.gc & 1) == 0))
gc_queue_binding(bnd);
}
STATIC_INLINE void jl_gc_wb_buf(void *parent, void *bufptr, size_t minsz) JL_NOTSAFEPOINT // parent isa jl_value_t*
{
// if parent is marked and buf is not
if (__unlikely(jl_astaggedvalue(parent)->bits.gc & 1)) {
jl_ptls_t ptls = jl_get_ptls_states();
gc_setmark_buf(ptls, bufptr, 3, minsz);
}
}
void gc_debug_print_status(void);
void gc_debug_critical_error(void);
void jl_print_gc_stats(JL_STREAM *s);
void jl_gc_reset_alloc_count(void);
int jl_assign_type_uid(void);
jl_value_t *jl_cache_type_(jl_datatype_t *type);
void jl_sort_types(jl_value_t **types, size_t length);
int jl_get_t_uid_ctr(void);
void jl_set_t_uid_ctr(int i);
uint32_t jl_get_gs_ctr(void);
void jl_set_gs_ctr(uint32_t ctr);
void JL_NORETURN jl_method_error(jl_function_t *f, jl_value_t **args, size_t na, size_t world);
jl_value_t *jl_get_exceptionf(jl_datatype_t *exception_type, const char *fmt, ...);
JL_DLLEXPORT void jl_typeassert(jl_value_t *x, jl_value_t *t);
#define JL_CALLABLE(name) \
JL_DLLEXPORT jl_value_t *name(jl_value_t *F, jl_value_t **args, uint32_t nargs)
JL_CALLABLE(jl_f_tuple);
JL_CALLABLE(jl_f_intrinsic_call);
void jl_install_default_signal_handlers(void);
void restore_signals(void);
void jl_install_thread_signal_handler(jl_ptls_t ptls);
jl_fptr_args_t jl_get_builtin_fptr(jl_value_t *b);
extern uv_loop_t *jl_io_loop;
void jl_uv_flush(uv_stream_t *stream);
typedef struct jl_typeenv_t {
jl_tvar_t *var;
jl_value_t *val;
struct jl_typeenv_t *prev;
} jl_typeenv_t;
int jl_tuple_isa(jl_value_t **child, size_t cl, jl_datatype_t *pdt);
int jl_tuple1_isa(jl_value_t *child1, jl_value_t **child, size_t cl, jl_datatype_t *pdt);
int jl_has_intersect_type_not_kind(jl_value_t *t);
int jl_subtype_invariant(jl_value_t *a, jl_value_t *b, int ta);
int jl_has_concrete_subtype(jl_value_t *typ);
jl_datatype_t *jl_inst_concrete_tupletype_v(jl_value_t **p, size_t np) JL_ALWAYS_LEAFTYPE;
jl_datatype_t *jl_inst_concrete_tupletype(jl_svec_t *p) JL_ALWAYS_LEAFTYPE;
JL_DLLEXPORT void jl_method_table_insert(jl_methtable_t *mt, jl_method_t *method, jl_tupletype_t *simpletype);
jl_datatype_t *jl_mk_builtin_func(jl_datatype_t *dt, const char *name, jl_fptr_args_t fptr) JL_GC_DISABLED;
jl_value_t *jl_type_intersection_env_s(jl_value_t *a, jl_value_t *b, jl_svec_t **penv, int *issubty);
jl_value_t *jl_type_intersection_env(jl_value_t *a, jl_value_t *b, jl_svec_t **penv);
int jl_subtype_matching(jl_value_t *a, jl_value_t *b, jl_svec_t **penv);
// specificity comparison assuming !(a <: b) and !(b <: a)
JL_DLLEXPORT int jl_type_morespecific_no_subtype(jl_value_t *a, jl_value_t *b);
jl_value_t *jl_instantiate_type_with(jl_value_t *t, jl_value_t **env, size_t n);
JL_DLLEXPORT jl_value_t *jl_instantiate_type_in_env(jl_value_t *ty, jl_unionall_t *env, jl_value_t **vals);
jl_value_t *jl_substitute_var(jl_value_t *t, jl_tvar_t *var, jl_value_t *val);
jl_svec_t *jl_outer_unionall_vars(jl_value_t *u);
int jl_count_union_components(jl_value_t *v);
jl_value_t *jl_nth_union_component(jl_value_t *v JL_PROPAGATES_ROOT, int i) JL_NOTSAFEPOINT;
int jl_find_union_component(jl_value_t *haystack, jl_value_t *needle, unsigned *nth) JL_NOTSAFEPOINT;
jl_datatype_t *jl_new_uninitialized_datatype(void);
void jl_precompute_memoized_dt(jl_datatype_t *dt);
jl_datatype_t *jl_wrap_Type(jl_value_t *t); // x -> Type{x}
jl_value_t *jl_wrap_vararg(jl_value_t *t, jl_value_t *n);
void jl_assign_bits(void *dest, jl_value_t *bits) JL_NOTSAFEPOINT;
jl_expr_t *jl_exprn(jl_sym_t *head, size_t n);
jl_function_t *jl_new_generic_function(jl_sym_t *name, jl_module_t *module);
jl_function_t *jl_new_generic_function_with_supertype(jl_sym_t *name, jl_module_t *module, jl_datatype_t *st, int iskw);
void jl_init_main_module(void);
int jl_is_submodule(jl_module_t *child, jl_module_t *parent);
jl_array_t *jl_get_loaded_modules(void);
jl_value_t *jl_toplevel_eval_flex(jl_module_t *m, jl_value_t *e, int fast, int expanded);
jl_value_t *jl_eval_global_var(jl_module_t *m JL_PROPAGATES_ROOT, jl_sym_t *e);
jl_value_t *jl_parse_eval_all(const char *fname,
const char *content, size_t contentlen,
jl_module_t *inmodule);
jl_value_t *jl_interpret_toplevel_thunk(jl_module_t *m, jl_code_info_t *src);
jl_value_t *jl_interpret_toplevel_expr_in(jl_module_t *m, jl_value_t *e,
jl_code_info_t *src,
jl_svec_t *sparam_vals);
int jl_is_toplevel_only_expr(jl_value_t *e) JL_NOTSAFEPOINT;
jl_value_t *jl_call_scm_on_ast(const char *funcname, jl_value_t *expr, jl_module_t *inmodule);
void jl_linenumber_to_lineinfo(jl_code_info_t *ci, jl_value_t *name);
jl_method_instance_t *jl_method_lookup(jl_value_t **args, size_t nargs, int cache, size_t world);
jl_value_t *jl_gf_invoke(jl_value_t *types, jl_value_t *f, jl_value_t **args, size_t nargs);
jl_method_instance_t *jl_lookup_generic(jl_value_t **args, uint32_t nargs, uint32_t callsite, size_t world) JL_ALWAYS_LEAFTYPE;
JL_DLLEXPORT jl_value_t *jl_matching_methods(jl_tupletype_t *types, int lim, int include_ambiguous,
size_t world, size_t *min_valid, size_t *max_valid);
JL_DLLEXPORT jl_datatype_t *jl_first_argument_datatype(jl_value_t *argtypes JL_PROPAGATES_ROOT) JL_NOTSAFEPOINT;
JL_DLLEXPORT jl_value_t *jl_argument_datatype(jl_value_t *argt JL_PROPAGATES_ROOT) JL_NOTSAFEPOINT;
JL_DLLEXPORT jl_methtable_t *jl_method_table_for(
jl_value_t *argtypes JL_PROPAGATES_ROOT) JL_NOTSAFEPOINT;
jl_methtable_t *jl_argument_method_table(jl_value_t *argt JL_PROPAGATES_ROOT);
jl_value_t *jl_nth_slot_type(jl_value_t *sig JL_PROPAGATES_ROOT, size_t i) JL_NOTSAFEPOINT;
void jl_compute_field_offsets(jl_datatype_t *st);
jl_array_t *jl_new_array_for_deserialization(jl_value_t *atype, uint32_t ndims, size_t *dims,
int isunboxed, int isunion, int elsz);
void jl_module_run_initializer(jl_module_t *m);
jl_binding_t *jl_get_module_binding(jl_module_t *m JL_PROPAGATES_ROOT, jl_sym_t *var) JL_NOTSAFEPOINT;
extern jl_array_t *jl_module_init_order JL_GLOBALLY_ROOTED;
extern htable_t jl_current_modules JL_GLOBALLY_ROOTED;
extern jl_array_t *jl_cfunction_list JL_GLOBALLY_ROOTED;
#ifdef JL_USE_INTEL_JITEVENTS
extern char jl_using_intel_jitevents;
#endif
#ifdef JL_USE_OPROFILE_JITEVENTS
extern char jl_using_oprofile_jitevents;
#endif
#ifdef JL_USE_PERF_JITEVENTS
extern char jl_using_perf_jitevents;
#endif
extern size_t jl_arr_xtralloc_limit;
void jl_init_types(void) JL_GC_DISABLED;
void jl_init_box_caches(void);
void jl_init_frontend(void);
void jl_init_primitives(void) JL_GC_DISABLED;
void *jl_init_llvm(void);
void jl_init_codegen(void);
void jl_init_intrinsic_functions(void);
void jl_init_intrinsic_properties(void);
void jl_init_tasks(void) JL_GC_DISABLED;
void jl_init_stack_limits(int ismaster, void **stack_hi, void **stack_lo);
void jl_init_root_task(void *stack_lo, void *stack_hi);
void jl_init_serializer(void);
void jl_gc_init(void);
void jl_init_uv(void);
void jl_init_debuginfo(void);
void jl_init_thread_heap(jl_ptls_t ptls);
void _julia_init(JL_IMAGE_SEARCH rel);
void jl_set_base_ctx(char *__stk);
extern ssize_t jl_tls_offset;
extern const int jl_tls_elf_support;
void jl_init_threading(void);
void jl_start_threads(void);
// Whether the GC is running
extern char *jl_safepoint_pages;
STATIC_INLINE int jl_addr_is_safepoint(uintptr_t addr)
{
uintptr_t safepoint_addr = (uintptr_t)jl_safepoint_pages;
return addr >= safepoint_addr && addr < safepoint_addr + jl_page_size * 3;
}
extern volatile uint32_t jl_gc_running;
// All the functions are safe to be called from within a signal handler
// provided that the thread will not be interrupted by another asynchronous
// signal.
// Initialize the safepoint
void jl_safepoint_init(void);
// Start the GC, return `1` if the thread should be running the GC.
// Otherwise, the thread will wait in this function until the GC finishes on
// another thread and return `0`.
// The caller should have saved the `gc_state` and set it to `WAITING`
// before calling this function. If the calling thread is to run the GC,
// it should also wait for the mutator threads to hit a safepoint **AFTER**
// this function returns
int jl_safepoint_start_gc(void);
// Can only be called by the thread that have got a `1` return value from
// `jl_safepoint_start_gc()`. This disables the safepoint (for GC,
// the `mprotect` may not be removed if there's pending SIGINT) and wake
// up waiting threads if there's any.
// The caller should restore `gc_state` **AFTER** calling this function.
void jl_safepoint_end_gc(void);
// Wait for the GC to finish
// This function does **NOT** modify the `gc_state` to inform the GC thread
// The caller should set it **BEFORE** calling this function.
void jl_safepoint_wait_gc(void);
// Set pending sigint and enable the mechanisms to deliver the sigint.
void jl_safepoint_enable_sigint(void);
// If the safepoint is enabled to deliver sigint, disable it
// so that the thread won't repeatedly trigger it in a sigatomic region
// while not being able to actually throw the exception.
void jl_safepoint_defer_sigint(void);
// Clear the sigint pending flag and disable the mechanism to deliver sigint.
// Return `1` if the sigint should be delivered and `0` if there's no sigint
// to be delivered.
int jl_safepoint_consume_sigint(void);
void jl_wake_libuv(void);
#if defined(JULIA_ENABLE_THREADING) && !defined(__clang_analyzer__)
jl_get_ptls_states_func jl_get_ptls_states_getter(void);
static inline void jl_set_gc_and_wait(void)
{
jl_ptls_t ptls = jl_get_ptls_states();
// reading own gc state doesn't need atomic ops since no one else
// should store to it.
int8_t state = jl_gc_state(ptls);
jl_atomic_store_release(&ptls->gc_state, JL_GC_STATE_WAITING);
jl_safepoint_wait_gc();
jl_atomic_store_release(&ptls->gc_state, state);
}
#endif
JL_DLLEXPORT jl_value_t *jl_dump_fptr_asm(uint64_t fptr, int raw_mc, const char *asm_variant, const char *debuginfo);
void jl_dump_native(const char *bc_fname, const char *unopt_bc_fname, const char *obj_fname, const char *sysimg_data, size_t sysimg_len);
int32_t jl_get_llvm_gv(jl_value_t *p) JL_NOTSAFEPOINT;
int32_t jl_assign_functionID(const char *fname);
// the first argument to jl_idtable_rehash is used to return a value
// make sure it is rooted if it is used after the function returns
JL_DLLEXPORT jl_array_t *jl_idtable_rehash(jl_array_t *a, size_t newsz);
JL_DLLEXPORT jl_methtable_t *jl_new_method_table(jl_sym_t *name, jl_module_t *module);
jl_method_instance_t *jl_get_specialization1(jl_tupletype_t *types, size_t world, size_t *min_valid, size_t *max_valid, int mt_cache);
JL_DLLEXPORT int jl_has_call_ambiguities(jl_value_t *types, jl_method_t *m);
jl_method_instance_t *jl_get_specialized(jl_method_t *m, jl_value_t *types, jl_svec_t *sp);
JL_DLLEXPORT jl_code_instance_t *jl_rettype_inferred(jl_method_instance_t *li, size_t min_world, size_t max_world);
JL_DLLEXPORT jl_value_t *jl_methtable_lookup(jl_methtable_t *mt, jl_value_t *type, size_t world);
JL_DLLEXPORT jl_method_instance_t *jl_specializations_get_linfo(
jl_method_t *m JL_PROPAGATES_ROOT, jl_value_t *type, jl_svec_t *sparams);
JL_DLLEXPORT void jl_method_instance_add_backedge(jl_method_instance_t *callee, jl_method_instance_t *caller);
JL_DLLEXPORT void jl_method_table_add_backedge(jl_methtable_t *mt, jl_value_t *typ, jl_value_t *caller);
uint32_t jl_module_next_counter(jl_module_t *m);
void jl_fptr_to_llvm(void *fptr, jl_code_instance_t *codeinst, int spec_abi);
jl_tupletype_t *arg_type_tuple(jl_value_t *arg1, jl_value_t **args, size_t nargs);
int jl_has_meta(jl_array_t *body, jl_sym_t *sym);
// backtraces
typedef struct {
char *func_name;
char *file_name;
int line;
jl_method_instance_t *linfo;
int fromC;
int inlined;
} jl_frame_t;
// Might be called from unmanaged thread
uint64_t jl_getUnwindInfo(uint64_t dwBase);
#ifdef _OS_WINDOWS_
#include <dbghelp.h>
JL_DLLEXPORT EXCEPTION_DISPOSITION __julia_personality(
PEXCEPTION_RECORD ExceptionRecord, void *EstablisherFrame, PCONTEXT ContextRecord, void *DispatcherContext);
extern HANDLE hMainThread;
typedef CONTEXT bt_context_t;
#if defined(_CPU_X86_64_)
typedef CONTEXT bt_cursor_t;
#else
typedef struct {
STACKFRAME64 stackframe;
CONTEXT context;
} bt_cursor_t;
#endif
extern volatile int jl_in_stackwalk;
#elif !defined(JL_DISABLE_LIBUNWIND)
// This gives unwind only local unwinding options ==> faster code
# define UNW_LOCAL_ONLY
# include <libunwind.h>
typedef unw_context_t bt_context_t;
typedef unw_cursor_t bt_cursor_t;
# if (!defined(SYSTEM_LIBUNWIND) || UNW_VERSION_MAJOR > 1 || \
(UNW_VERSION_MAJOR == 1 && UNW_VERSION_MINOR != 0 && UNW_VERSION_MINOR != 1))
// Enable our memory manager only for libunwind with our patch or
// on a newer release
# define JL_UNW_HAS_FORMAT_IP 1
# endif
#else
// Unwinding is disabled
typedef int bt_context_t;
typedef int bt_cursor_t;
#endif
// Special marker in backtrace data for encoding interpreter frames
#define JL_BT_INTERP_FRAME (((uintptr_t)0)-1)
size_t rec_backtrace(uintptr_t *data, size_t maxsize) JL_NOTSAFEPOINT;
size_t rec_backtrace_ctx(uintptr_t *data, size_t maxsize, bt_context_t *ctx) JL_NOTSAFEPOINT;
#ifdef LIBOSXUNWIND
size_t rec_backtrace_ctx_dwarf(uintptr_t *data, size_t maxsize, bt_context_t *ctx);
#endif
JL_DLLEXPORT void jl_get_backtrace(jl_array_t **bt, jl_array_t **bt2);
void jl_critical_error(int sig, bt_context_t *context, uintptr_t *bt_data, size_t *bt_size);
JL_DLLEXPORT void jl_raise_debugger(void);
int jl_getFunctionInfo(jl_frame_t **frames, uintptr_t pointer, int skipC, int noInline) JL_NOTSAFEPOINT;
JL_DLLEXPORT void jl_gdblookup(uintptr_t ip) JL_NOTSAFEPOINT;
// *to is NULL or malloc'd pointer, from is allowed to be NULL
STATIC_INLINE char *jl_copy_str(char **to, const char *from)
{
if (!from) {
free(*to);
*to = NULL;
return NULL;
}
size_t len = strlen(from) + 1;
*to = (char*)realloc(*to, len);
memcpy(*to, from, len);
return *to;
}
JL_DLLEXPORT int jl_is_interpreter_frame(uintptr_t ip) JL_NOTSAFEPOINT;
JL_DLLEXPORT int jl_is_enter_interpreter_frame(uintptr_t ip) JL_NOTSAFEPOINT;
JL_DLLEXPORT size_t jl_capture_interp_frame(uintptr_t *data, uintptr_t sp, uintptr_t fp, size_t space_remaining) JL_NOTSAFEPOINT;
// Exception stack: a stack of pairs of (exception,raw_backtrace).
// The stack may be traversed and accessed with the functions below.
typedef struct _jl_excstack_t {
size_t top;
size_t reserved_size;
// Pack all stack entries into a growable buffer to amortize allocation
// across repeated exception handling.
// Layout: [bt_data1... bt_size1 exc1 bt_data2... bt_size2 exc2 ..]
// uintptr_t data[]; // Access with jl_excstack_raw
} jl_excstack_t;
STATIC_INLINE uintptr_t *jl_excstack_raw(jl_excstack_t *stack) JL_NOTSAFEPOINT
{
return (uintptr_t*)(stack + 1);
}
// Exception stack access
STATIC_INLINE jl_value_t *jl_excstack_exception(jl_excstack_t *stack JL_PROPAGATES_ROOT,
size_t itr) JL_NOTSAFEPOINT
{
return (jl_value_t*)(jl_excstack_raw(stack)[itr-1]);
}
STATIC_INLINE size_t jl_excstack_bt_size(jl_excstack_t *stack, size_t itr) JL_NOTSAFEPOINT
{
return jl_excstack_raw(stack)[itr-2];
}
STATIC_INLINE uintptr_t *jl_excstack_bt_data(jl_excstack_t *stack, size_t itr) JL_NOTSAFEPOINT
{
return jl_excstack_raw(stack) + itr-2 - jl_excstack_bt_size(stack, itr);
}
// Exception stack iteration (start at itr=stack->top, stop at itr=0)
STATIC_INLINE size_t jl_excstack_next(jl_excstack_t *stack, size_t itr) JL_NOTSAFEPOINT
{
return itr-2 - jl_excstack_bt_size(stack, itr);
}
// Exception stack manipulation
void jl_reserve_excstack(jl_excstack_t **stack JL_REQUIRE_ROOTED_SLOT,
size_t reserved_size);
void jl_push_excstack(jl_excstack_t **stack JL_REQUIRE_ROOTED_SLOT JL_ROOTING_ARGUMENT,
jl_value_t *exception JL_ROOTED_ARGUMENT,
uintptr_t *bt_data, size_t bt_size);
void jl_copy_excstack(jl_excstack_t *dest, jl_excstack_t *src) JL_NOTSAFEPOINT;
// timers
// Returns time in nanosec
JL_DLLEXPORT uint64_t jl_hrtime(void);
// congruential random number generator
// for a small amount of thread-local randomness
// we could just use libc:`rand()`, but we want to ensure this is fast
STATIC_INLINE void seed_cong(uint64_t *seed)
{
*seed = rand();
}
STATIC_INLINE void unbias_cong(uint64_t max, uint64_t *unbias)
{
*unbias = UINT64_MAX - ((UINT64_MAX % max) + 1);
}
STATIC_INLINE uint64_t cong(uint64_t max, uint64_t unbias, uint64_t *seed)
{
while ((*seed = 69069 * (*seed) + 362437) > unbias)
;
return *seed % max;
}
// libuv stuff:
JL_DLLEXPORT extern void *jl_dl_handle;
JL_DLLEXPORT extern void *jl_RTLD_DEFAULT_handle;
#if defined(_OS_WINDOWS_)
JL_DLLEXPORT extern void *jl_exe_handle;
extern void *jl_ntdll_handle;
extern void *jl_kernel32_handle;
extern void *jl_crtdll_handle;
extern void *jl_winsock_handle;
#endif
void *jl_get_library(const char *f_lib);
JL_DLLEXPORT void *jl_load_and_lookup(const char *f_lib, const char *f_name,
void **hnd);
JL_DLLEXPORT jl_value_t *jl_get_cfunction_trampoline(
jl_value_t *fobj, jl_datatype_t *result, htable_t *cache, jl_svec_t *fill,
void *(*init_trampoline)(void *tramp, void **nval),
jl_unionall_t *env, jl_value_t **vals);
// Windows only
#define JL_EXE_LIBNAME ((const char*)1)
#define JL_DL_LIBNAME ((const char*)2)
const char *jl_dlfind_win32(const char *name);
// libuv wrappers:
JL_DLLEXPORT int jl_fs_rename(const char *src_path, const char *dst_path);
#ifdef SEGV_EXCEPTION
extern JL_DLLEXPORT jl_value_t *jl_segv_exception;
#endif
// -- Runtime intrinsics -- //
JL_DLLEXPORT const char *jl_intrinsic_name(int f) JL_NOTSAFEPOINT;
unsigned jl_intrinsic_nargs(int f) JL_NOTSAFEPOINT;
JL_DLLEXPORT jl_value_t *jl_bitcast(jl_value_t *ty, jl_value_t *v);
JL_DLLEXPORT jl_value_t *jl_pointerref(jl_value_t *p, jl_value_t *i, jl_value_t *align);
JL_DLLEXPORT jl_value_t *jl_pointerset(jl_value_t *p, jl_value_t *x, jl_value_t *align, jl_value_t *i);
JL_DLLEXPORT jl_value_t *jl_cglobal(jl_value_t *v, jl_value_t *ty);
JL_DLLEXPORT jl_value_t *jl_cglobal_auto(jl_value_t *v);
JL_DLLEXPORT jl_value_t *jl_neg_int(jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_add_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_sub_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_mul_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_sdiv_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_udiv_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_srem_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_urem_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_add_ptr(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_sub_ptr(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_neg_float(jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_add_float(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_sub_float(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_mul_float(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_div_float(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_rem_float(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_fma_float(jl_value_t *a, jl_value_t *b, jl_value_t *c);
JL_DLLEXPORT jl_value_t *jl_muladd_float(jl_value_t *a, jl_value_t *b, jl_value_t *c);
JL_DLLEXPORT jl_value_t *jl_eq_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_ne_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_slt_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_ult_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_sle_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_ule_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_eq_float(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_ne_float(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_lt_float(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_le_float(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_fpiseq(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_fpislt(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_not_int(jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_and_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_or_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_xor_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_shl_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_lshr_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_ashr_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_bswap_int(jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_ctpop_int(jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_ctlz_int(jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_cttz_int(jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_sext_int(jl_value_t *ty, jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_zext_int(jl_value_t *ty, jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_trunc_int(jl_value_t *ty, jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_sitofp(jl_value_t *ty, jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_uitofp(jl_value_t *ty, jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_fptoui(jl_value_t *ty, jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_fptosi(jl_value_t *ty, jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_fptrunc(jl_value_t *ty, jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_fpext(jl_value_t *ty, jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_checked_sadd_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_checked_uadd_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_checked_ssub_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_checked_usub_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_checked_smul_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_checked_umul_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_checked_sdiv_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_checked_udiv_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_checked_srem_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_checked_urem_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_ceil_llvm(jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_floor_llvm(jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_trunc_llvm(jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_rint_llvm(jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_sqrt_llvm(jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_abs_float(jl_value_t *a);
JL_DLLEXPORT jl_value_t *jl_copysign_float(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_flipsign_int(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_arraylen(jl_value_t *a);
int jl_array_store_unboxed(jl_value_t *el_type);
JL_DLLEXPORT jl_value_t *(jl_array_data_owner)(jl_array_t *a);
JL_DLLEXPORT int jl_array_isassigned(jl_array_t *a, size_t i);
JL_DLLEXPORT void jl_uv_stop(uv_loop_t* loop);
JL_DLLEXPORT uintptr_t jl_object_id_(jl_value_t *tv, jl_value_t *v) JL_NOTSAFEPOINT;
// -- synchronization utilities -- //
extern jl_mutex_t typecache_lock;
extern jl_mutex_t codegen_lock;
extern jl_mutex_t safepoint_lock;
// -- gc.c -- //
#if defined(__APPLE__) && defined(JULIA_ENABLE_THREADING)
void jl_mach_gc_end(void);
#endif
#if defined(_OS_WINDOWS_)
STATIC_INLINE void *jl_malloc_aligned(size_t sz, size_t align)
{
return _aligned_malloc(sz ? sz : 1, align);
}
STATIC_INLINE void *jl_realloc_aligned(void *p, size_t sz, size_t oldsz,
size_t align)
{
(void)oldsz;
return _aligned_realloc(p, sz ? sz : 1, align);
}
STATIC_INLINE void jl_free_aligned(void *p) JL_NOTSAFEPOINT
{
_aligned_free(p);
}
#else
STATIC_INLINE void *jl_malloc_aligned(size_t sz, size_t align)
{
#if defined(_P64) || defined(__APPLE__)
if (align <= 16)
return malloc(sz);
#endif
void *ptr;
if (posix_memalign(&ptr, align, sz))
return NULL;
return ptr;
}
STATIC_INLINE void *jl_realloc_aligned(void *d, size_t sz, size_t oldsz,
size_t align)
{
#if defined(_P64) || defined(__APPLE__)
if (align <= 16)
return realloc(d, sz);
#endif
void *b = jl_malloc_aligned(sz, align);
if (b != NULL) {
memcpy(b, d, oldsz > sz ? sz : oldsz);
free(d);
}
return b;
}
STATIC_INLINE void jl_free_aligned(void *p) JL_NOTSAFEPOINT
{
free(p);
}
#endif
// -- typemap.c -- //
// a descriptor of a jl_typemap_t that gets
// passed around as self-documentation of the parameters of the type
struct jl_typemap_info {
int8_t unsorted; // whether this should be unsorted
jl_datatype_t **jl_contains; // the type that is being put in this
};
jl_typemap_entry_t *jl_typemap_insert(jl_typemap_t **cache,
jl_value_t *parent JL_PROPAGATES_ROOT,
jl_tupletype_t *type,
jl_tupletype_t *simpletype, jl_svec_t *guardsigs,
jl_value_t *newvalue, int8_t offs,
const struct jl_typemap_info *tparams,
size_t min_world, size_t max_world,
jl_value_t **overwritten);
jl_typemap_entry_t *jl_typemap_assoc_by_type(
jl_typemap_t *ml_or_cache JL_PROPAGATES_ROOT,
jl_value_t *types, jl_svec_t **penv,
int8_t subtype, int8_t offs, size_t world, size_t max_world_mask);
jl_typemap_entry_t *jl_typemap_level_assoc_exact(jl_typemap_level_t *cache, jl_value_t *arg1, jl_value_t **args, size_t n, int8_t offs, size_t world);
jl_typemap_entry_t *jl_typemap_entry_assoc_exact(jl_typemap_entry_t *mn, jl_value_t *arg1, jl_value_t **args, size_t n, size_t world);
STATIC_INLINE jl_typemap_entry_t *jl_typemap_assoc_exact(
jl_typemap_t *ml_or_cache JL_PROPAGATES_ROOT,
jl_value_t *arg1, jl_value_t **args, size_t n, int8_t offs, size_t world)
{
// NOTE: This function is a huge performance hot spot!!
if (jl_typeof(ml_or_cache) == (jl_value_t *)jl_typemap_entry_type) {
return jl_typemap_entry_assoc_exact(
(jl_typemap_entry_t *)ml_or_cache, arg1, args, n, world);
}
else if (jl_typeof(ml_or_cache) == (jl_value_t*)jl_typemap_level_type) {
return jl_typemap_level_assoc_exact(
(jl_typemap_level_t *)ml_or_cache, arg1, args, n, offs, world);
}
return NULL;
}
typedef int (*jl_typemap_visitor_fptr)(jl_typemap_entry_t *l, void *closure);
int jl_typemap_visitor(jl_typemap_t *a, jl_typemap_visitor_fptr fptr, void *closure);
struct typemap_intersection_env;
typedef int (*jl_typemap_intersection_visitor_fptr)(jl_typemap_entry_t *l, struct typemap_intersection_env *closure);
struct typemap_intersection_env {
// input values
jl_typemap_intersection_visitor_fptr fptr; // fptr to call on a match
jl_value_t *type; // type to match
jl_value_t *va; // the tparam0 for the vararg in type, if applicable (or NULL)
// output values
jl_value_t *ti; // intersection type
jl_svec_t *env; // intersection env (initialize to null to perform intersection without an environment)
int issubty; // if `a <: b` is true in `intersect(a,b)`
};
int jl_typemap_intersection_visitor(jl_typemap_t *a, int offs, struct typemap_intersection_env *closure);
unsigned jl_special_vector_alignment(size_t nfields, jl_value_t *field_type);
void register_eh_frames(uint8_t *Addr, size_t Size);
void deregister_eh_frames(uint8_t *Addr, size_t Size);
STATIC_INLINE void *jl_get_frame_addr(void)
{
#ifdef __GNUC__
return __builtin_frame_address(0);
#else