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
|
/**********************************************************************
vm_core.h -
$Author$
created at: 04/01/01 19:41:38 JST
Copyright (C) 2004-2007 Koichi Sasada
**********************************************************************/
#ifndef RUBY_VM_CORE_H
#define RUBY_VM_CORE_H
#define RUBY_VM_THREAD_MODEL 2
#include "ruby/ruby.h"
#include "ruby/st.h"
#include "node.h"
#include "debug.h"
#include "vm_opts.h"
#include "id.h"
#include "method.h"
#include "atomic.h"
#if defined(_WIN32)
#include "thread_win32.h"
#elif defined(HAVE_PTHREAD_H)
#include "thread_pthread.h"
#else
#error "unsupported thread type"
#endif
#ifndef ENABLE_VM_OBJSPACE
#ifdef _WIN32
/*
* TODO: object space independent st_table.
* socklist needs st_table in rb_w32_sysinit(), before object space
* initialization.
* It is too early now to change st_hash_type, since it breaks binary
* compatibility.
*/
#define ENABLE_VM_OBJSPACE 0
#else
#define ENABLE_VM_OBJSPACE 1
#endif
#endif
#include <setjmp.h>
#include <signal.h>
#ifndef NSIG
# define NSIG (_SIGMAX + 1) /* For QNX */
#endif
#define RUBY_NSIG NSIG
#ifdef HAVE_STDARG_PROTOTYPES
#include <stdarg.h>
#define va_init_list(a,b) va_start((a),(b))
#else
#include <varargs.h>
#define va_init_list(a,b) va_start((a))
#endif
#if defined(SIGSEGV) && defined(HAVE_SIGALTSTACK) && defined(SA_SIGINFO) && !defined(__NetBSD__)
#define USE_SIGALTSTACK
#endif
/*****************/
/* configuration */
/*****************/
/* gcc ver. check */
#if defined(__GNUC__) && __GNUC__ >= 2
#if OPT_TOKEN_THREADED_CODE
#if OPT_DIRECT_THREADED_CODE
#undef OPT_DIRECT_THREADED_CODE
#endif
#endif
#else /* defined(__GNUC__) && __GNUC__ >= 2 */
/* disable threaded code options */
#if OPT_DIRECT_THREADED_CODE
#undef OPT_DIRECT_THREADED_CODE
#endif
#if OPT_TOKEN_THREADED_CODE
#undef OPT_TOKEN_THREADED_CODE
#endif
#endif
/* call threaded code */
#if OPT_CALL_THREADED_CODE
#if OPT_DIRECT_THREADED_CODE
#undef OPT_DIRECT_THREADED_CODE
#endif /* OPT_DIRECT_THREADED_CODE */
#if OPT_STACK_CACHING
#undef OPT_STACK_CACHING
#endif /* OPT_STACK_CACHING */
#endif /* OPT_CALL_THREADED_CODE */
/* likely */
#if __GNUC__ >= 3
#define LIKELY(x) (__builtin_expect((x), 1))
#define UNLIKELY(x) (__builtin_expect((x), 0))
#else /* __GNUC__ >= 3 */
#define LIKELY(x) (x)
#define UNLIKELY(x) (x)
#endif /* __GNUC__ >= 3 */
#if __GNUC__ >= 3
#define UNINITIALIZED_VAR(x) x = x
#else
#define UNINITIALIZED_VAR(x) x
#endif
typedef unsigned long rb_num_t;
/* iseq data type */
struct iseq_compile_data_ensure_node_stack;
typedef struct rb_compile_option_struct rb_compile_option_t;
struct iseq_inline_cache_entry {
VALUE ic_vmstat;
VALUE ic_class;
union {
VALUE value;
rb_method_entry_t *method;
long index;
} ic_value;
};
#if 1
#define GetCoreDataFromValue(obj, type, ptr) do { \
(ptr) = (type*)DATA_PTR(obj); \
} while (0)
#else
#define GetCoreDataFromValue(obj, type, ptr) Data_Get_Struct((obj), type, (ptr))
#endif
#define GetISeqPtr(obj, ptr) \
GetCoreDataFromValue((obj), rb_iseq_t, (ptr))
struct rb_iseq_struct;
struct rb_iseq_struct {
/***************/
/* static data */
/***************/
enum iseq_type {
ISEQ_TYPE_TOP,
ISEQ_TYPE_METHOD,
ISEQ_TYPE_BLOCK,
ISEQ_TYPE_CLASS,
ISEQ_TYPE_RESCUE,
ISEQ_TYPE_ENSURE,
ISEQ_TYPE_EVAL,
ISEQ_TYPE_MAIN,
ISEQ_TYPE_DEFINED_GUARD
} type; /* instruction sequence type */
VALUE name; /* String: iseq name */
VALUE filename; /* file information where this sequence from */
VALUE filepath; /* real file path or nil */
VALUE *iseq; /* iseq (insn number and operands) */
VALUE *iseq_encoded; /* encoded iseq */
unsigned long iseq_size;
VALUE mark_ary; /* Array: includes operands which should be GC marked */
VALUE coverage; /* coverage array */
unsigned short line_no;
/* insn info, must be freed */
struct iseq_insn_info_entry *insn_info_table;
size_t insn_info_size;
ID *local_table; /* must free */
int local_table_size;
/* method, class frame: sizeof(vars) + 1, block frame: sizeof(vars) */
int local_size;
struct iseq_inline_cache_entry *ic_entries;
int ic_size;
/**
* argument information
*
* def m(a1, a2, ..., aM, # mandatory
* b1=(...), b2=(...), ..., bN=(...), # optional
* *c, # rest
* d1, d2, ..., dO, # post
* &e) # block
* =>
*
* argc = M
* arg_rest = M+N+1 // or -1 if no rest arg
* arg_opts = N
* arg_opts_tbl = [ (N entries) ]
* arg_post_len = O // 0 if no post arguments
* arg_post_start = M+N+2
* arg_block = M+N + 1 + O + 1 // -1 if no block arg
* arg_simple = 0 if not simple arguments.
* = 1 if no opt, rest, post, block.
* = 2 if ambiguos block parameter ({|a|}).
* arg_size = argument size.
*/
int argc;
int arg_simple;
int arg_rest;
int arg_block;
int arg_opts;
int arg_post_len;
int arg_post_start;
int arg_size;
VALUE *arg_opt_table;
size_t stack_max; /* for stack overflow check */
/* catch table */
struct iseq_catch_table_entry *catch_table;
int catch_table_size;
/* for child iseq */
struct rb_iseq_struct *parent_iseq;
struct rb_iseq_struct *local_iseq;
/****************/
/* dynamic data */
/****************/
VALUE self;
VALUE orig; /* non-NULL if its data have origin */
/* block inlining */
/*
* NODE *node;
* void *special_block_builder;
* void *cached_special_block_builder;
* VALUE cached_special_block;
*/
/* klass/module nest information stack (cref) */
NODE *cref_stack;
VALUE klass;
/* misc */
ID defined_method_id; /* for define_method */
/* used at compile time */
struct iseq_compile_data *compile_data;
};
enum ruby_special_exceptions {
ruby_error_reenter,
ruby_error_nomemory,
ruby_error_sysstack,
ruby_error_closed_stream,
ruby_special_error_count
};
#define GetVMPtr(obj, ptr) \
GetCoreDataFromValue((obj), rb_vm_t, (ptr))
#if defined(ENABLE_VM_OBJSPACE) && ENABLE_VM_OBJSPACE
struct rb_objspace;
void rb_objspace_free(struct rb_objspace *);
#endif
typedef struct rb_vm_struct {
VALUE self;
rb_global_vm_lock_t gvl;
struct rb_thread_struct *main_thread;
struct rb_thread_struct *running_thread;
st_table *living_threads;
VALUE thgroup_default;
int running;
int inhibit_thread_creation;
int thread_abort_on_exception;
unsigned long trace_flag;
volatile int sleeper;
/* object management */
VALUE mark_object_ary;
VALUE special_exceptions[ruby_special_error_count];
/* load */
VALUE top_self;
VALUE load_path;
VALUE loaded_features;
struct st_table *loading_table;
/* signal */
struct {
VALUE cmd;
int safe;
} trap_list[RUBY_NSIG];
/* hook */
rb_event_hook_t *event_hooks;
int src_encoding_index;
VALUE verbose, debug, progname;
VALUE coverages;
struct unlinked_method_entry_list_entry *unlinked_method_entry_list;
#if defined(ENABLE_VM_OBJSPACE) && ENABLE_VM_OBJSPACE
struct rb_objspace *objspace;
#endif
/*
* @shyouhei notes that this is not for storing normal Ruby
* objects so do *NOT* mark this when you GC.
*/
struct RArray at_exit;
} rb_vm_t;
typedef struct {
VALUE *pc; /* cfp[0] */
VALUE *sp; /* cfp[1] */
VALUE *bp; /* cfp[2] */
rb_iseq_t *iseq; /* cfp[3] */
VALUE flag; /* cfp[4] */
VALUE self; /* cfp[5] / block[0] */
VALUE *lfp; /* cfp[6] / block[1] */
VALUE *dfp; /* cfp[7] / block[2] */
rb_iseq_t *block_iseq; /* cfp[8] / block[3] */
VALUE proc; /* cfp[9] / block[4] */
const rb_method_entry_t *me;/* cfp[10] */
} rb_control_frame_t;
typedef struct rb_block_struct {
VALUE self; /* share with method frame if it's only block */
VALUE *lfp; /* share with method frame if it's only block */
VALUE *dfp; /* share with method frame if it's only block */
rb_iseq_t *iseq;
VALUE proc;
} rb_block_t;
extern const rb_data_type_t ruby_thread_data_type;
#define GetThreadPtr(obj, ptr) \
TypedData_Get_Struct((obj), rb_thread_t, &ruby_thread_data_type, (ptr))
enum rb_thread_status {
THREAD_TO_KILL,
THREAD_RUNNABLE,
THREAD_STOPPED,
THREAD_STOPPED_FOREVER,
THREAD_KILLED
};
typedef RUBY_JMP_BUF rb_jmpbuf_t;
struct rb_vm_tag {
rb_jmpbuf_t buf;
VALUE tag;
VALUE retval;
struct rb_vm_tag *prev;
};
struct rb_vm_protect_tag {
struct rb_vm_protect_tag *prev;
};
struct rb_unblock_callback {
rb_unblock_function_t *func;
void *arg;
};
struct rb_mutex_struct;
#ifdef SIGSTKSZ
#define ALT_STACK_SIZE (SIGSTKSZ*2)
#else
#define ALT_STACK_SIZE (4*1024)
#endif
typedef struct rb_thread_struct {
VALUE self;
rb_vm_t *vm;
/* execution information */
VALUE *stack; /* must free, must mark */
unsigned long stack_size;
rb_control_frame_t *cfp;
int safe_level;
int raised_flag;
VALUE last_status; /* $? */
/* passing state */
int state;
int waiting_fd;
/* for rb_iterate */
const rb_block_t *passed_block;
/* for bmethod */
const rb_method_entry_t *passed_me;
/* for load(true) */
VALUE top_self;
VALUE top_wrapper;
/* eval env */
rb_block_t *base_block;
VALUE *local_lfp;
VALUE local_svar;
/* thread control */
rb_thread_id_t thread_id;
enum rb_thread_status status;
int priority;
native_thread_data_t native_thread_data;
void *blocking_region_buffer;
VALUE thgroup;
VALUE value;
VALUE errinfo;
VALUE thrown_errinfo;
rb_atomic_t interrupt_flag;
rb_thread_lock_t interrupt_lock;
struct rb_unblock_callback unblock;
VALUE locking_mutex;
struct rb_mutex_struct *keeping_mutexes;
struct rb_vm_tag *tag;
struct rb_vm_protect_tag *protect_tag;
int parse_in_eval;
int mild_compile_error;
/* storage */
st_table *local_storage;
struct rb_thread_struct *join_list_next;
struct rb_thread_struct *join_list_head;
VALUE first_proc;
VALUE first_args;
VALUE (*first_func)(ANYARGS);
/* for GC */
VALUE *machine_stack_start;
VALUE *machine_stack_end;
size_t machine_stack_maxsize;
#ifdef __ia64
VALUE *machine_register_stack_start;
VALUE *machine_register_stack_end;
size_t machine_register_stack_maxsize;
#endif
jmp_buf machine_regs;
int mark_stack_len;
/* statistics data for profiler */
VALUE stat_insn_usage;
/* tracer */
rb_event_hook_t *event_hooks;
rb_event_flag_t event_flags;
int tracing;
/* fiber */
VALUE fiber;
VALUE root_fiber;
rb_jmpbuf_t root_jmpbuf;
/* misc */
int method_missing_reason;
int abort_on_exception;
#ifdef USE_SIGALTSTACK
void *altstack;
#endif
unsigned long running_time_us;
} rb_thread_t;
/* iseq.c */
#if defined __GNUC__ && __GNUC__ >= 4
#pragma GCC visibility push(default)
#endif
VALUE rb_iseq_new(NODE*, VALUE, VALUE, VALUE, VALUE, enum iseq_type);
VALUE rb_iseq_new_top(NODE *node, VALUE name, VALUE filename, VALUE filepath, VALUE parent);
VALUE rb_iseq_new_main(NODE *node, VALUE filename, VALUE filepath);
VALUE rb_iseq_new_with_bopt(NODE*, VALUE, VALUE, VALUE, VALUE, VALUE, enum iseq_type, VALUE);
VALUE rb_iseq_new_with_opt(NODE*, VALUE, VALUE, VALUE, VALUE, VALUE, enum iseq_type, const rb_compile_option_t*);
VALUE rb_iseq_compile(VALUE src, VALUE file, VALUE line);
VALUE rb_iseq_compile_with_option(VALUE src, VALUE file, VALUE filepath, VALUE line, VALUE opt);
VALUE rb_iseq_disasm(VALUE self);
int rb_iseq_disasm_insn(VALUE str, VALUE *iseqval, size_t pos, rb_iseq_t *iseq, VALUE child);
const char *ruby_node_name(int node);
int rb_iseq_first_lineno(rb_iseq_t *iseq);
RUBY_EXTERN VALUE rb_cISeq;
RUBY_EXTERN VALUE rb_cRubyVM;
RUBY_EXTERN VALUE rb_cEnv;
RUBY_EXTERN VALUE rb_mRubyVMFrozenCore;
#if defined __GNUC__ && __GNUC__ >= 4
#pragma GCC visibility pop
#endif
/* each thread has this size stack : 128KB */
#define RUBY_VM_THREAD_STACK_SIZE (128 * 1024)
#define GetProcPtr(obj, ptr) \
GetCoreDataFromValue((obj), rb_proc_t, (ptr))
typedef struct {
rb_block_t block;
VALUE envval; /* for GC mark */
VALUE blockprocval;
int safe_level;
int is_from_method;
int is_lambda;
} rb_proc_t;
#define GetEnvPtr(obj, ptr) \
GetCoreDataFromValue((obj), rb_env_t, (ptr))
typedef struct {
VALUE *env;
int env_size;
int local_size;
VALUE prev_envval; /* for GC mark */
rb_block_t block;
} rb_env_t;
#define GetBindingPtr(obj, ptr) \
GetCoreDataFromValue((obj), rb_binding_t, (ptr))
typedef struct {
VALUE env;
VALUE filename;
unsigned short line_no;
} rb_binding_t;
/* used by compile time and send insn */
#define VM_CALL_ARGS_SPLAT_BIT (0x01 << 1)
#define VM_CALL_ARGS_BLOCKARG_BIT (0x01 << 2)
#define VM_CALL_FCALL_BIT (0x01 << 3)
#define VM_CALL_VCALL_BIT (0x01 << 4)
#define VM_CALL_TAILCALL_BIT (0x01 << 5)
#define VM_CALL_TAILRECURSION_BIT (0x01 << 6)
#define VM_CALL_SUPER_BIT (0x01 << 7)
#define VM_CALL_OPT_SEND_BIT (0x01 << 8)
enum vm_special_object_type {
VM_SPECIAL_OBJECT_VMCORE = 1,
VM_SPECIAL_OBJECT_CBASE,
VM_SPECIAL_OBJECT_CONST_BASE
};
#define VM_FRAME_MAGIC_METHOD 0x11
#define VM_FRAME_MAGIC_BLOCK 0x21
#define VM_FRAME_MAGIC_CLASS 0x31
#define VM_FRAME_MAGIC_TOP 0x41
#define VM_FRAME_MAGIC_FINISH 0x51
#define VM_FRAME_MAGIC_CFUNC 0x61
#define VM_FRAME_MAGIC_PROC 0x71
#define VM_FRAME_MAGIC_IFUNC 0x81
#define VM_FRAME_MAGIC_EVAL 0x91
#define VM_FRAME_MAGIC_LAMBDA 0xa1
#define VM_FRAME_MAGIC_MASK_BITS 8
#define VM_FRAME_MAGIC_MASK (~(~0<<VM_FRAME_MAGIC_MASK_BITS))
#define VM_FRAME_TYPE(cfp) ((cfp)->flag & VM_FRAME_MAGIC_MASK)
/* other frame flag */
#define VM_FRAME_FLAG_PASSED 0x0100
#define RUBYVM_CFUNC_FRAME_P(cfp) \
(VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_CFUNC)
/* inline cache */
typedef struct iseq_inline_cache_entry *IC;
void rb_vm_change_state(void);
typedef VALUE CDHASH;
#ifndef FUNC_FASTCALL
#define FUNC_FASTCALL(x) x
#endif
typedef rb_control_frame_t *
(FUNC_FASTCALL(*rb_insn_func_t))(rb_thread_t *, rb_control_frame_t *);
#define GC_GUARDED_PTR(p) ((VALUE)((VALUE)(p) | 0x01))
#define GC_GUARDED_PTR_REF(p) ((void *)(((VALUE)(p)) & ~0x03))
#define GC_GUARDED_PTR_P(p) (((VALUE)(p)) & 0x01)
#define RUBY_VM_PREVIOUS_CONTROL_FRAME(cfp) ((cfp)+1)
#define RUBY_VM_NEXT_CONTROL_FRAME(cfp) ((cfp)-1)
#define RUBY_VM_END_CONTROL_FRAME(th) \
((rb_control_frame_t *)((th)->stack + (th)->stack_size))
#define RUBY_VM_VALID_CONTROL_FRAME_P(cfp, ecfp) \
((void *)(ecfp) > (void *)(cfp))
#define RUBY_VM_CONTROL_FRAME_STACK_OVERFLOW_P(th, cfp) \
(!RUBY_VM_VALID_CONTROL_FRAME_P((cfp), RUBY_VM_END_CONTROL_FRAME(th)))
#define RUBY_VM_IFUNC_P(ptr) (BUILTIN_TYPE(ptr) == T_NODE)
#define RUBY_VM_NORMAL_ISEQ_P(ptr) \
((ptr) && !RUBY_VM_IFUNC_P(ptr))
#define RUBY_VM_GET_BLOCK_PTR_IN_CFP(cfp) ((rb_block_t *)(&(cfp)->self))
#define RUBY_VM_GET_CFP_FROM_BLOCK_PTR(b) \
((rb_control_frame_t *)((VALUE *)(b) - 5))
/* VM related object allocate functions */
VALUE rb_thread_alloc(VALUE klass);
VALUE rb_proc_alloc(VALUE klass);
/* for debug */
extern void rb_vmdebug_stack_dump_raw(rb_thread_t *, rb_control_frame_t *);
#define SDR() rb_vmdebug_stack_dump_raw(GET_THREAD(), GET_THREAD()->cfp)
#define SDR2(cfp) rb_vmdebug_stack_dump_raw(GET_THREAD(), (cfp))
void rb_vm_bugreport(void);
/* functions about thread/vm execution */
#if defined __GNUC__ && __GNUC__ >= 4
#pragma GCC visibility push(default)
#endif
VALUE rb_iseq_eval(VALUE iseqval);
VALUE rb_iseq_eval_main(VALUE iseqval);
#if defined __GNUC__ && __GNUC__ >= 4
#pragma GCC visibility pop
#endif
int rb_thread_method_id_and_class(rb_thread_t *th, ID *idp, VALUE *klassp);
VALUE rb_vm_invoke_proc(rb_thread_t *th, rb_proc_t *proc, VALUE self,
int argc, const VALUE *argv, const rb_block_t *blockptr);
VALUE rb_vm_make_proc(rb_thread_t *th, const rb_block_t *block, VALUE klass);
VALUE rb_vm_make_env_object(rb_thread_t *th, rb_control_frame_t *cfp);
void rb_vm_inc_const_missing_count(void);
void rb_vm_gvl_destroy(rb_vm_t *vm);
VALUE rb_vm_call(rb_thread_t *th, VALUE recv, VALUE id, int argc,
const VALUE *argv, const rb_method_entry_t *me);
void rb_unlink_method_entry(rb_method_entry_t *me);
void rb_gc_mark_unlinked_live_method_entries(void *pvm);
void rb_thread_start_timer_thread(void);
void rb_thread_stop_timer_thread(int);
void rb_thread_reset_timer_thread(void);
void rb_thread_wakeup_timer_thread(void);
int ruby_thread_has_gvl_p(void);
VALUE rb_make_backtrace(void);
typedef int rb_backtrace_iter_func(void *, VALUE, int, VALUE);
int rb_backtrace_each(rb_backtrace_iter_func *iter, void *arg);
rb_control_frame_t *rb_vm_get_ruby_level_next_cfp(rb_thread_t *th, rb_control_frame_t *cfp);
int rb_vm_get_sourceline(const rb_control_frame_t *);
VALUE rb_name_err_mesg_new(VALUE obj, VALUE mesg, VALUE recv, VALUE method);
void rb_vm_stack_to_heap(rb_thread_t *th);
void ruby_thread_init_stack(rb_thread_t *th);
NOINLINE(void rb_gc_save_machine_context(rb_thread_t *));
void rb_gc_mark_machine_stack(rb_thread_t *th);
#define sysstack_error GET_VM()->special_exceptions[ruby_error_sysstack]
/* for thread */
#if RUBY_VM_THREAD_MODEL == 2
RUBY_EXTERN rb_thread_t *ruby_current_thread;
extern rb_vm_t *ruby_current_vm;
#define GET_VM() ruby_current_vm
#define GET_THREAD() ruby_current_thread
#define rb_thread_set_current_raw(th) (void)(ruby_current_thread = (th))
#define rb_thread_set_current(th) do { \
if ((th)->vm->running_thread != (th)) { \
(th)->vm->running_thread->running_time_us = 0; \
} \
rb_thread_set_current_raw(th); \
(th)->vm->running_thread = (th); \
} while (0)
#else
#error "unsupported thread model"
#endif
#define RUBY_VM_SET_TIMER_INTERRUPT(th) ATOMIC_OR((th)->interrupt_flag, 0x01)
#define RUBY_VM_SET_INTERRUPT(th) ATOMIC_OR((th)->interrupt_flag, 0x02)
#define RUBY_VM_SET_FINALIZER_INTERRUPT(th) ATOMIC_OR((th)->interrupt_flag, 0x04)
#define RUBY_VM_INTERRUPTED(th) ((th)->interrupt_flag & 0x02)
int rb_signal_buff_size(void);
void rb_signal_exec(rb_thread_t *th, int sig);
void rb_threadptr_check_signal(rb_thread_t *mth);
void rb_threadptr_signal_raise(rb_thread_t *th, int sig);
void rb_threadptr_signal_exit(rb_thread_t *th);
void rb_threadptr_execute_interrupts(rb_thread_t *);
void rb_threadptr_interrupt(rb_thread_t *th);
void rb_threadptr_unlock_all_locking_mutexes(rb_thread_t *th);
void rb_thread_lock_unlock(rb_thread_lock_t *);
void rb_thread_lock_destroy(rb_thread_lock_t *);
#define RUBY_VM_CHECK_INTS_TH(th) do { \
if (UNLIKELY((th)->interrupt_flag)) { \
rb_threadptr_execute_interrupts(th); \
} \
} while (0)
#define RUBY_VM_CHECK_INTS() \
RUBY_VM_CHECK_INTS_TH(GET_THREAD())
/* tracer */
void
rb_threadptr_exec_event_hooks(rb_thread_t *th, rb_event_flag_t flag, VALUE self, ID id, VALUE klass);
#define EXEC_EVENT_HOOK(th, flag, self, id, klass) do { \
rb_event_flag_t wait_event__ = (th)->event_flags; \
if (UNLIKELY(wait_event__)) { \
if (wait_event__ & ((flag) | RUBY_EVENT_VM)) { \
rb_threadptr_exec_event_hooks((th), (flag), (self), (id), (klass)); \
} \
} \
} while (0)
#if defined __GNUC__ && __GNUC__ >= 4
#pragma GCC visibility push(default)
#endif
int rb_thread_check_trap_pending(void);
extern VALUE rb_get_coverages(void);
extern void rb_set_coverages(VALUE);
extern void rb_reset_coverages(void);
#if defined __GNUC__ && __GNUC__ >= 4
#pragma GCC visibility pop
#endif
#endif /* RUBY_VM_CORE_H */
|