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Ruby
1.9.3p448(2013-06-27revision41675)
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00001 /********************************************************************** 00002 00003 vm_core.h - 00004 00005 $Author: usa $ 00006 created at: 04/01/01 19:41:38 JST 00007 00008 Copyright (C) 2004-2007 Koichi Sasada 00009 00010 **********************************************************************/ 00011 00012 #ifndef RUBY_VM_CORE_H 00013 #define RUBY_VM_CORE_H 00014 00015 #define RUBY_VM_THREAD_MODEL 2 00016 00017 #include "ruby/ruby.h" 00018 #include "ruby/st.h" 00019 00020 #include "node.h" 00021 #include "debug.h" 00022 #include "vm_opts.h" 00023 #include "id.h" 00024 #include "method.h" 00025 #include "ruby_atomic.h" 00026 00027 #if defined(_WIN32) 00028 #include "thread_win32.h" 00029 #elif defined(HAVE_PTHREAD_H) 00030 #include "thread_pthread.h" 00031 #else 00032 #error "unsupported thread type" 00033 #endif 00034 00035 #ifndef ENABLE_VM_OBJSPACE 00036 #ifdef _WIN32 00037 /* 00038 * TODO: object space independent st_table. 00039 * socklist needs st_table in rb_w32_sysinit(), before object space 00040 * initialization. 00041 * It is too early now to change st_hash_type, since it breaks binary 00042 * compatibility. 00043 */ 00044 #define ENABLE_VM_OBJSPACE 0 00045 #else 00046 #define ENABLE_VM_OBJSPACE 1 00047 #endif 00048 #endif 00049 00050 #include <setjmp.h> 00051 #include <signal.h> 00052 00053 #ifndef NSIG 00054 # define NSIG (_SIGMAX + 1) /* For QNX */ 00055 #endif 00056 00057 #define RUBY_NSIG NSIG 00058 00059 #ifdef HAVE_STDARG_PROTOTYPES 00060 #include <stdarg.h> 00061 #define va_init_list(a,b) va_start((a),(b)) 00062 #else 00063 #include <varargs.h> 00064 #define va_init_list(a,b) va_start((a)) 00065 #endif 00066 00067 #if defined(SIGSEGV) && defined(HAVE_SIGALTSTACK) && defined(SA_SIGINFO) && !defined(__NetBSD__) 00068 #define USE_SIGALTSTACK 00069 #endif 00070 00071 /*****************/ 00072 /* configuration */ 00073 /*****************/ 00074 00075 /* gcc ver. check */ 00076 #if defined(__GNUC__) && __GNUC__ >= 2 00077 00078 #if OPT_TOKEN_THREADED_CODE 00079 #if OPT_DIRECT_THREADED_CODE 00080 #undef OPT_DIRECT_THREADED_CODE 00081 #endif 00082 #endif 00083 00084 #else /* defined(__GNUC__) && __GNUC__ >= 2 */ 00085 00086 /* disable threaded code options */ 00087 #if OPT_DIRECT_THREADED_CODE 00088 #undef OPT_DIRECT_THREADED_CODE 00089 #endif 00090 #if OPT_TOKEN_THREADED_CODE 00091 #undef OPT_TOKEN_THREADED_CODE 00092 #endif 00093 #endif 00094 00095 /* call threaded code */ 00096 #if OPT_CALL_THREADED_CODE 00097 #if OPT_DIRECT_THREADED_CODE 00098 #undef OPT_DIRECT_THREADED_CODE 00099 #endif /* OPT_DIRECT_THREADED_CODE */ 00100 #if OPT_STACK_CACHING 00101 #undef OPT_STACK_CACHING 00102 #endif /* OPT_STACK_CACHING */ 00103 #endif /* OPT_CALL_THREADED_CODE */ 00104 00105 /* likely */ 00106 #if __GNUC__ >= 3 00107 #define LIKELY(x) (__builtin_expect((x), 1)) 00108 #define UNLIKELY(x) (__builtin_expect((x), 0)) 00109 #else /* __GNUC__ >= 3 */ 00110 #define LIKELY(x) (x) 00111 #define UNLIKELY(x) (x) 00112 #endif /* __GNUC__ >= 3 */ 00113 00114 #if __GNUC__ >= 3 00115 #define UNINITIALIZED_VAR(x) x = x 00116 #else 00117 #define UNINITIALIZED_VAR(x) x 00118 #endif 00119 00120 typedef unsigned long rb_num_t; 00121 00122 /* iseq data type */ 00123 00124 struct iseq_compile_data_ensure_node_stack; 00125 00126 typedef struct rb_compile_option_struct rb_compile_option_t; 00127 00128 struct iseq_inline_cache_entry { 00129 VALUE ic_vmstat; 00130 VALUE ic_class; 00131 union { 00132 VALUE value; 00133 rb_method_entry_t *method; 00134 long index; 00135 } ic_value; 00136 }; 00137 00138 #if 1 00139 #define GetCoreDataFromValue(obj, type, ptr) do { \ 00140 (ptr) = (type*)DATA_PTR(obj); \ 00141 } while (0) 00142 #else 00143 #define GetCoreDataFromValue(obj, type, ptr) Data_Get_Struct((obj), type, (ptr)) 00144 #endif 00145 00146 #define GetISeqPtr(obj, ptr) \ 00147 GetCoreDataFromValue((obj), rb_iseq_t, (ptr)) 00148 00149 struct rb_iseq_struct; 00150 00151 struct rb_iseq_struct { 00152 /***************/ 00153 /* static data */ 00154 /***************/ 00155 00156 enum iseq_type { 00157 ISEQ_TYPE_TOP, 00158 ISEQ_TYPE_METHOD, 00159 ISEQ_TYPE_BLOCK, 00160 ISEQ_TYPE_CLASS, 00161 ISEQ_TYPE_RESCUE, 00162 ISEQ_TYPE_ENSURE, 00163 ISEQ_TYPE_EVAL, 00164 ISEQ_TYPE_MAIN, 00165 ISEQ_TYPE_DEFINED_GUARD 00166 } type; /* instruction sequence type */ 00167 00168 VALUE name; /* String: iseq name */ 00169 VALUE filename; /* file information where this sequence from */ 00170 VALUE filepath; /* real file path or nil */ 00171 VALUE *iseq; /* iseq (insn number and operands) */ 00172 VALUE *iseq_encoded; /* encoded iseq */ 00173 unsigned long iseq_size; 00174 VALUE mark_ary; /* Array: includes operands which should be GC marked */ 00175 VALUE coverage; /* coverage array */ 00176 unsigned short line_no; 00177 00178 /* insn info, must be freed */ 00179 struct iseq_insn_info_entry *insn_info_table; 00180 size_t insn_info_size; 00181 00182 ID *local_table; /* must free */ 00183 int local_table_size; 00184 00185 /* method, class frame: sizeof(vars) + 1, block frame: sizeof(vars) */ 00186 int local_size; 00187 00188 struct iseq_inline_cache_entry *ic_entries; 00189 int ic_size; 00190 00214 int argc; 00215 int arg_simple; 00216 int arg_rest; 00217 int arg_block; 00218 int arg_opts; 00219 int arg_post_len; 00220 int arg_post_start; 00221 int arg_size; 00222 VALUE *arg_opt_table; 00223 00224 size_t stack_max; /* for stack overflow check */ 00225 00226 /* catch table */ 00227 struct iseq_catch_table_entry *catch_table; 00228 int catch_table_size; 00229 00230 /* for child iseq */ 00231 struct rb_iseq_struct *parent_iseq; 00232 struct rb_iseq_struct *local_iseq; 00233 00234 /****************/ 00235 /* dynamic data */ 00236 /****************/ 00237 00238 VALUE self; 00239 VALUE orig; /* non-NULL if its data have origin */ 00240 00241 /* block inlining */ 00242 /* 00243 * NODE *node; 00244 * void *special_block_builder; 00245 * void *cached_special_block_builder; 00246 * VALUE cached_special_block; 00247 */ 00248 00249 /* klass/module nest information stack (cref) */ 00250 NODE *cref_stack; 00251 VALUE klass; 00252 00253 /* misc */ 00254 ID defined_method_id; /* for define_method */ 00255 rb_num_t flip_cnt; 00256 00257 /* used at compile time */ 00258 struct iseq_compile_data *compile_data; 00259 }; 00260 00261 enum ruby_special_exceptions { 00262 ruby_error_reenter, 00263 ruby_error_nomemory, 00264 ruby_error_sysstack, 00265 ruby_error_closed_stream, 00266 ruby_special_error_count 00267 }; 00268 00269 #define GetVMPtr(obj, ptr) \ 00270 GetCoreDataFromValue((obj), rb_vm_t, (ptr)) 00271 00272 #if defined(ENABLE_VM_OBJSPACE) && ENABLE_VM_OBJSPACE 00273 struct rb_objspace; 00274 void rb_objspace_free(struct rb_objspace *); 00275 #endif 00276 00277 typedef struct rb_vm_struct { 00278 VALUE self; 00279 00280 rb_global_vm_lock_t gvl; 00281 00282 struct rb_thread_struct *main_thread; 00283 struct rb_thread_struct *running_thread; 00284 00285 st_table *living_threads; 00286 VALUE thgroup_default; 00287 00288 int running; 00289 int inhibit_thread_creation; 00290 int thread_abort_on_exception; 00291 unsigned long trace_flag; 00292 volatile int sleeper; 00293 00294 /* object management */ 00295 VALUE mark_object_ary; 00296 00297 VALUE special_exceptions[ruby_special_error_count]; 00298 00299 /* load */ 00300 VALUE top_self; 00301 VALUE load_path; 00302 VALUE loaded_features; 00303 struct st_table *loading_table; 00304 00305 /* signal */ 00306 struct { 00307 VALUE cmd; 00308 int safe; 00309 } trap_list[RUBY_NSIG]; 00310 00311 /* hook */ 00312 rb_event_hook_t *event_hooks; 00313 00314 int src_encoding_index; 00315 00316 VALUE verbose, debug, progname; 00317 VALUE coverages; 00318 00319 struct unlinked_method_entry_list_entry *unlinked_method_entry_list; 00320 00321 #if defined(ENABLE_VM_OBJSPACE) && ENABLE_VM_OBJSPACE 00322 struct rb_objspace *objspace; 00323 #endif 00324 00325 /* 00326 * @shyouhei notes that this is not for storing normal Ruby 00327 * objects so do *NOT* mark this when you GC. 00328 */ 00329 struct RArray at_exit; 00330 } rb_vm_t; 00331 00332 typedef struct { 00333 VALUE *pc; /* cfp[0] */ 00334 VALUE *sp; /* cfp[1] */ 00335 VALUE *bp; /* cfp[2] */ 00336 rb_iseq_t *iseq; /* cfp[3] */ 00337 VALUE flag; /* cfp[4] */ 00338 VALUE self; /* cfp[5] / block[0] */ 00339 VALUE *lfp; /* cfp[6] / block[1] */ 00340 VALUE *dfp; /* cfp[7] / block[2] */ 00341 rb_iseq_t *block_iseq; /* cfp[8] / block[3] */ 00342 VALUE proc; /* cfp[9] / block[4] */ 00343 const rb_method_entry_t *me;/* cfp[10] */ 00344 } rb_control_frame_t; 00345 00346 typedef struct rb_block_struct { 00347 VALUE self; /* share with method frame if it's only block */ 00348 VALUE *lfp; /* share with method frame if it's only block */ 00349 VALUE *dfp; /* share with method frame if it's only block */ 00350 rb_iseq_t *iseq; 00351 VALUE proc; 00352 } rb_block_t; 00353 00354 extern const rb_data_type_t ruby_threadptr_data_type; 00355 00356 #define GetThreadPtr(obj, ptr) \ 00357 TypedData_Get_Struct((obj), rb_thread_t, &ruby_threadptr_data_type, (ptr)) 00358 00359 enum rb_thread_status { 00360 THREAD_TO_KILL, 00361 THREAD_RUNNABLE, 00362 THREAD_STOPPED, 00363 THREAD_STOPPED_FOREVER, 00364 THREAD_KILLED 00365 }; 00366 00367 typedef RUBY_JMP_BUF rb_jmpbuf_t; 00368 00369 struct rb_vm_tag { 00370 rb_jmpbuf_t buf; 00371 VALUE tag; 00372 VALUE retval; 00373 struct rb_vm_tag *prev; 00374 }; 00375 00376 struct rb_vm_protect_tag { 00377 struct rb_vm_protect_tag *prev; 00378 }; 00379 00380 struct rb_unblock_callback { 00381 rb_unblock_function_t *func; 00382 void *arg; 00383 }; 00384 00385 struct rb_mutex_struct; 00386 00387 #ifdef SIGSTKSZ 00388 #define ALT_STACK_SIZE (SIGSTKSZ*2) 00389 #else 00390 #define ALT_STACK_SIZE (4*1024) 00391 #endif 00392 00393 typedef struct rb_thread_struct { 00394 VALUE self; 00395 rb_vm_t *vm; 00396 00397 /* execution information */ 00398 VALUE *stack; /* must free, must mark */ 00399 unsigned long stack_size; 00400 rb_control_frame_t *cfp; 00401 int safe_level; 00402 int raised_flag; 00403 VALUE last_status; /* $? */ 00404 00405 /* passing state */ 00406 int state; 00407 00408 int waiting_fd; 00409 00410 /* for rb_iterate */ 00411 const rb_block_t *passed_block; 00412 00413 /* for bmethod */ 00414 const rb_method_entry_t *passed_me; 00415 00416 /* for load(true) */ 00417 VALUE top_self; 00418 VALUE top_wrapper; 00419 00420 /* eval env */ 00421 rb_block_t *base_block; 00422 00423 VALUE *local_lfp; 00424 VALUE local_svar; 00425 00426 /* thread control */ 00427 rb_thread_id_t thread_id; 00428 enum rb_thread_status status; 00429 int priority; 00430 00431 native_thread_data_t native_thread_data; 00432 void *blocking_region_buffer; 00433 00434 VALUE thgroup; 00435 VALUE value; 00436 00437 VALUE errinfo; 00438 VALUE thrown_errinfo; 00439 00440 rb_atomic_t interrupt_flag; 00441 rb_thread_lock_t interrupt_lock; 00442 struct rb_unblock_callback unblock; 00443 VALUE locking_mutex; 00444 struct rb_mutex_struct *keeping_mutexes; 00445 00446 struct rb_vm_tag *tag; 00447 struct rb_vm_protect_tag *protect_tag; 00448 00449 int parse_in_eval; 00450 int mild_compile_error; 00451 00452 /* storage */ 00453 st_table *local_storage; 00454 00455 struct rb_thread_struct *join_list_next; 00456 struct rb_thread_struct *join_list_head; 00457 00458 VALUE first_proc; 00459 VALUE first_args; 00460 VALUE (*first_func)(ANYARGS); 00461 00462 /* for GC */ 00463 VALUE *machine_stack_start; 00464 VALUE *machine_stack_end; 00465 size_t machine_stack_maxsize; 00466 #ifdef __ia64 00467 VALUE *machine_register_stack_start; 00468 VALUE *machine_register_stack_end; 00469 size_t machine_register_stack_maxsize; 00470 #endif 00471 jmp_buf machine_regs; 00472 int mark_stack_len; 00473 00474 /* statistics data for profiler */ 00475 VALUE stat_insn_usage; 00476 00477 /* tracer */ 00478 rb_event_hook_t *event_hooks; 00479 rb_event_flag_t event_flags; 00480 int tracing; 00481 00482 /* fiber */ 00483 VALUE fiber; 00484 VALUE root_fiber; 00485 rb_jmpbuf_t root_jmpbuf; 00486 00487 /* misc */ 00488 int method_missing_reason; 00489 int abort_on_exception; 00490 #ifdef USE_SIGALTSTACK 00491 void *altstack; 00492 #endif 00493 unsigned long running_time_us; 00494 } rb_thread_t; 00495 00496 /* iseq.c */ 00497 #if defined __GNUC__ && __GNUC__ >= 4 00498 #pragma GCC visibility push(default) 00499 #endif 00500 VALUE rb_iseq_new(NODE*, VALUE, VALUE, VALUE, VALUE, enum iseq_type); 00501 VALUE rb_iseq_new_top(NODE *node, VALUE name, VALUE filename, VALUE filepath, VALUE parent); 00502 VALUE rb_iseq_new_main(NODE *node, VALUE filename, VALUE filepath); 00503 VALUE rb_iseq_new_with_bopt(NODE*, VALUE, VALUE, VALUE, VALUE, VALUE, enum iseq_type, VALUE); 00504 VALUE rb_iseq_new_with_opt(NODE*, VALUE, VALUE, VALUE, VALUE, VALUE, enum iseq_type, const rb_compile_option_t*); 00505 VALUE rb_iseq_compile(VALUE src, VALUE file, VALUE line); 00506 VALUE rb_iseq_compile_with_option(VALUE src, VALUE file, VALUE filepath, VALUE line, VALUE opt); 00507 VALUE rb_iseq_disasm(VALUE self); 00508 int rb_iseq_disasm_insn(VALUE str, VALUE *iseqval, size_t pos, rb_iseq_t *iseq, VALUE child); 00509 const char *ruby_node_name(int node); 00510 int rb_iseq_first_lineno(rb_iseq_t *iseq); 00511 00512 RUBY_EXTERN VALUE rb_cISeq; 00513 RUBY_EXTERN VALUE rb_cRubyVM; 00514 RUBY_EXTERN VALUE rb_cEnv; 00515 RUBY_EXTERN VALUE rb_mRubyVMFrozenCore; 00516 #if defined __GNUC__ && __GNUC__ >= 4 00517 #pragma GCC visibility pop 00518 #endif 00519 00520 /* each thread has this size stack : 128KB */ 00521 #define RUBY_VM_THREAD_STACK_SIZE (128 * 1024) 00522 00523 #define GetProcPtr(obj, ptr) \ 00524 GetCoreDataFromValue((obj), rb_proc_t, (ptr)) 00525 00526 typedef struct { 00527 rb_block_t block; 00528 00529 VALUE envval; /* for GC mark */ 00530 VALUE blockprocval; 00531 int safe_level; 00532 int is_from_method; 00533 int is_lambda; 00534 } rb_proc_t; 00535 00536 #define GetEnvPtr(obj, ptr) \ 00537 GetCoreDataFromValue((obj), rb_env_t, (ptr)) 00538 00539 typedef struct { 00540 VALUE *env; 00541 int env_size; 00542 int local_size; 00543 VALUE prev_envval; /* for GC mark */ 00544 rb_block_t block; 00545 } rb_env_t; 00546 00547 #define GetBindingPtr(obj, ptr) \ 00548 GetCoreDataFromValue((obj), rb_binding_t, (ptr)) 00549 00550 typedef struct { 00551 VALUE env; 00552 VALUE filename; 00553 unsigned short line_no; 00554 } rb_binding_t; 00555 00556 /* used by compile time and send insn */ 00557 #define VM_CALL_ARGS_SPLAT_BIT (0x01 << 1) 00558 #define VM_CALL_ARGS_BLOCKARG_BIT (0x01 << 2) 00559 #define VM_CALL_FCALL_BIT (0x01 << 3) 00560 #define VM_CALL_VCALL_BIT (0x01 << 4) 00561 #define VM_CALL_TAILCALL_BIT (0x01 << 5) 00562 #define VM_CALL_TAILRECURSION_BIT (0x01 << 6) 00563 #define VM_CALL_SUPER_BIT (0x01 << 7) 00564 #define VM_CALL_OPT_SEND_BIT (0x01 << 8) 00565 00566 enum vm_special_object_type { 00567 VM_SPECIAL_OBJECT_VMCORE = 1, 00568 VM_SPECIAL_OBJECT_CBASE, 00569 VM_SPECIAL_OBJECT_CONST_BASE 00570 }; 00571 00572 #define VM_FRAME_MAGIC_METHOD 0x11 00573 #define VM_FRAME_MAGIC_BLOCK 0x21 00574 #define VM_FRAME_MAGIC_CLASS 0x31 00575 #define VM_FRAME_MAGIC_TOP 0x41 00576 #define VM_FRAME_MAGIC_FINISH 0x51 00577 #define VM_FRAME_MAGIC_CFUNC 0x61 00578 #define VM_FRAME_MAGIC_PROC 0x71 00579 #define VM_FRAME_MAGIC_IFUNC 0x81 00580 #define VM_FRAME_MAGIC_EVAL 0x91 00581 #define VM_FRAME_MAGIC_LAMBDA 0xa1 00582 #define VM_FRAME_MAGIC_MASK_BITS 8 00583 #define VM_FRAME_MAGIC_MASK (~(~0<<VM_FRAME_MAGIC_MASK_BITS)) 00584 00585 #define VM_FRAME_TYPE(cfp) ((cfp)->flag & VM_FRAME_MAGIC_MASK) 00586 00587 /* other frame flag */ 00588 #define VM_FRAME_FLAG_PASSED 0x0100 00589 00590 #define RUBYVM_CFUNC_FRAME_P(cfp) \ 00591 (VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_CFUNC) 00592 00593 /* inline cache */ 00594 typedef struct iseq_inline_cache_entry *IC; 00595 00596 void rb_vm_change_state(void); 00597 00598 typedef VALUE CDHASH; 00599 00600 #ifndef FUNC_FASTCALL 00601 #define FUNC_FASTCALL(x) x 00602 #endif 00603 00604 typedef rb_control_frame_t * 00605 (FUNC_FASTCALL(*rb_insn_func_t))(rb_thread_t *, rb_control_frame_t *); 00606 00607 #define GC_GUARDED_PTR(p) ((VALUE)((VALUE)(p) | 0x01)) 00608 #define GC_GUARDED_PTR_REF(p) ((void *)(((VALUE)(p)) & ~0x03)) 00609 #define GC_GUARDED_PTR_P(p) (((VALUE)(p)) & 0x01) 00610 00611 #define RUBY_VM_PREVIOUS_CONTROL_FRAME(cfp) ((cfp)+1) 00612 #define RUBY_VM_NEXT_CONTROL_FRAME(cfp) ((cfp)-1) 00613 #define RUBY_VM_END_CONTROL_FRAME(th) \ 00614 ((rb_control_frame_t *)((th)->stack + (th)->stack_size)) 00615 #define RUBY_VM_VALID_CONTROL_FRAME_P(cfp, ecfp) \ 00616 ((void *)(ecfp) > (void *)(cfp)) 00617 #define RUBY_VM_CONTROL_FRAME_STACK_OVERFLOW_P(th, cfp) \ 00618 (!RUBY_VM_VALID_CONTROL_FRAME_P((cfp), RUBY_VM_END_CONTROL_FRAME(th))) 00619 00620 #define RUBY_VM_IFUNC_P(ptr) (BUILTIN_TYPE(ptr) == T_NODE) 00621 #define RUBY_VM_NORMAL_ISEQ_P(ptr) \ 00622 ((ptr) && !RUBY_VM_IFUNC_P(ptr)) 00623 00624 #define RUBY_VM_GET_BLOCK_PTR_IN_CFP(cfp) ((rb_block_t *)(&(cfp)->self)) 00625 #define RUBY_VM_GET_CFP_FROM_BLOCK_PTR(b) \ 00626 ((rb_control_frame_t *)((VALUE *)(b) - 5)) 00627 00628 /* VM related object allocate functions */ 00629 VALUE rb_thread_alloc(VALUE klass); 00630 VALUE rb_proc_alloc(VALUE klass); 00631 00632 /* for debug */ 00633 extern void rb_vmdebug_stack_dump_raw(rb_thread_t *, rb_control_frame_t *); 00634 #define SDR() rb_vmdebug_stack_dump_raw(GET_THREAD(), GET_THREAD()->cfp) 00635 #define SDR2(cfp) rb_vmdebug_stack_dump_raw(GET_THREAD(), (cfp)) 00636 void rb_vm_bugreport(void); 00637 00638 /* functions about thread/vm execution */ 00639 #if defined __GNUC__ && __GNUC__ >= 4 00640 #pragma GCC visibility push(default) 00641 #endif 00642 VALUE rb_iseq_eval(VALUE iseqval); 00643 VALUE rb_iseq_eval_main(VALUE iseqval); 00644 void rb_enable_interrupt(void); 00645 void rb_disable_interrupt(void); 00646 #if defined __GNUC__ && __GNUC__ >= 4 00647 #pragma GCC visibility pop 00648 #endif 00649 int rb_thread_method_id_and_class(rb_thread_t *th, ID *idp, VALUE *klassp); 00650 00651 VALUE rb_vm_invoke_proc(rb_thread_t *th, rb_proc_t *proc, VALUE self, 00652 int argc, const VALUE *argv, const rb_block_t *blockptr); 00653 VALUE rb_vm_make_proc(rb_thread_t *th, const rb_block_t *block, VALUE klass); 00654 VALUE rb_vm_make_env_object(rb_thread_t *th, rb_control_frame_t *cfp); 00655 void rb_vm_rewrite_dfp_in_errinfo(rb_thread_t *th); 00656 void rb_vm_inc_const_missing_count(void); 00657 void rb_vm_gvl_destroy(rb_vm_t *vm); 00658 VALUE rb_vm_call(rb_thread_t *th, VALUE recv, VALUE id, int argc, 00659 const VALUE *argv, const rb_method_entry_t *me); 00660 void rb_unlink_method_entry(rb_method_entry_t *me); 00661 void rb_gc_mark_unlinked_live_method_entries(void *pvm); 00662 00663 void rb_thread_start_timer_thread(void); 00664 void rb_thread_stop_timer_thread(int); 00665 void rb_thread_reset_timer_thread(void); 00666 void rb_thread_wakeup_timer_thread(void); 00667 00668 int ruby_thread_has_gvl_p(void); 00669 VALUE rb_make_backtrace(void); 00670 typedef int rb_backtrace_iter_func(void *, VALUE, int, VALUE); 00671 int rb_backtrace_each(rb_backtrace_iter_func *iter, void *arg); 00672 rb_control_frame_t *rb_vm_get_ruby_level_next_cfp(rb_thread_t *th, rb_control_frame_t *cfp); 00673 int rb_vm_get_sourceline(const rb_control_frame_t *); 00674 VALUE rb_name_err_mesg_new(VALUE obj, VALUE mesg, VALUE recv, VALUE method); 00675 void rb_vm_stack_to_heap(rb_thread_t *th); 00676 void ruby_thread_init_stack(rb_thread_t *th); 00677 00678 NOINLINE(void rb_gc_save_machine_context(rb_thread_t *)); 00679 void rb_gc_mark_machine_stack(rb_thread_t *th); 00680 00681 #define sysstack_error GET_VM()->special_exceptions[ruby_error_sysstack] 00682 00683 /* for thread */ 00684 00685 #if RUBY_VM_THREAD_MODEL == 2 00686 RUBY_EXTERN rb_thread_t *ruby_current_thread; 00687 extern rb_vm_t *ruby_current_vm; 00688 00689 #define GET_VM() ruby_current_vm 00690 #define GET_THREAD() ruby_current_thread 00691 #define rb_thread_set_current_raw(th) (void)(ruby_current_thread = (th)) 00692 #define rb_thread_set_current(th) do { \ 00693 if ((th)->vm->running_thread != (th)) { \ 00694 (th)->vm->running_thread->running_time_us = 0; \ 00695 } \ 00696 rb_thread_set_current_raw(th); \ 00697 (th)->vm->running_thread = (th); \ 00698 } while (0) 00699 00700 #else 00701 #error "unsupported thread model" 00702 #endif 00703 00704 #define RUBY_VM_SET_TIMER_INTERRUPT(th) ATOMIC_OR((th)->interrupt_flag, 0x01) 00705 #define RUBY_VM_SET_INTERRUPT(th) ATOMIC_OR((th)->interrupt_flag, 0x02) 00706 #define RUBY_VM_SET_FINALIZER_INTERRUPT(th) ATOMIC_OR((th)->interrupt_flag, 0x04) 00707 #define RUBY_VM_INTERRUPTED(th) ((th)->interrupt_flag & 0x02) 00708 00709 int rb_signal_buff_size(void); 00710 void rb_signal_exec(rb_thread_t *th, int sig); 00711 void rb_threadptr_check_signal(rb_thread_t *mth); 00712 void rb_threadptr_signal_raise(rb_thread_t *th, int sig); 00713 void rb_threadptr_signal_exit(rb_thread_t *th); 00714 void rb_threadptr_execute_interrupts(rb_thread_t *); 00715 void rb_threadptr_interrupt(rb_thread_t *th); 00716 void rb_threadptr_unlock_all_locking_mutexes(rb_thread_t *th); 00717 00718 void rb_thread_lock_unlock(rb_thread_lock_t *); 00719 void rb_thread_lock_destroy(rb_thread_lock_t *); 00720 00721 #define RUBY_VM_CHECK_INTS_TH(th) do { \ 00722 if (UNLIKELY((th)->interrupt_flag)) { \ 00723 rb_threadptr_execute_interrupts(th); \ 00724 } \ 00725 } while (0) 00726 00727 #define RUBY_VM_CHECK_INTS() \ 00728 RUBY_VM_CHECK_INTS_TH(GET_THREAD()) 00729 00730 /* tracer */ 00731 void 00732 rb_threadptr_exec_event_hooks(rb_thread_t *th, rb_event_flag_t flag, VALUE self, ID id, VALUE klass, int pop_p); 00733 00734 #define EXEC_EVENT_HOOK_ORIG(th, flag, self, id, klass, pop_p) do { \ 00735 rb_event_flag_t wait_event__ = (th)->event_flags; \ 00736 if (UNLIKELY(wait_event__)) { \ 00737 if (wait_event__ & ((flag) | RUBY_EVENT_VM)) { \ 00738 rb_threadptr_exec_event_hooks((th), (flag), (self), (id), (klass), (pop_p)); \ 00739 } \ 00740 } \ 00741 } while (0) 00742 00743 #define EXEC_EVENT_HOOK(th, flag, self, id, klass) \ 00744 EXEC_EVENT_HOOK_ORIG(th, flag, self, id, klass, 0) 00745 00746 #define EXEC_EVENT_HOOK_AND_POP_FRAME(th, flag, self, id, klass) \ 00747 EXEC_EVENT_HOOK_ORIG(th, flag, self, id, klass, 1) 00748 00749 #if defined __GNUC__ && __GNUC__ >= 4 00750 #pragma GCC visibility push(default) 00751 #endif 00752 00753 int rb_thread_check_trap_pending(void); 00754 00755 extern VALUE rb_get_coverages(void); 00756 extern void rb_set_coverages(VALUE); 00757 extern void rb_reset_coverages(void); 00758 00759 #if defined __GNUC__ && __GNUC__ >= 4 00760 #pragma GCC visibility pop 00761 #endif 00762 00763 #endif /* RUBY_VM_CORE_H */ 00764
1.7.6.1