/********************************************************************** 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 /* * Enable check mode. * 1: enable local assertions. */ #ifndef VM_CHECK_MODE #define VM_CHECK_MODE 0 #endif /** * VM Debug Level * * debug level: * 0: no debug output * 1: show instruction name * 2: show stack frame when control stack frame is changed * 3: show stack status * 4: show register * 5: * 10: gc check */ #ifndef VMDEBUG #define VMDEBUG 0 #endif #if 0 #undef VMDEBUG #define VMDEBUG 3 #endif #include "ruby_assert.h" #if VM_CHECK_MODE > 0 #define VM_ASSERT(expr) RUBY_ASSERT_MESG_WHEN(VM_CHECK_MODE > 0, expr, #expr) #define VM_UNREACHABLE(func) rb_bug(#func ": unreachable") #else #define VM_ASSERT(expr) ((void)0) #define VM_UNREACHABLE(func) UNREACHABLE #endif #define RUBY_VM_THREAD_MODEL 2 #include "ruby/ruby.h" #include "ruby/st.h" #include "node.h" #include "vm_debug.h" #include "vm_opts.h" #include "id.h" #include "method.h" #include "ruby_atomic.h" #include "ccan/list/list.h" #include "ruby/thread_native.h" #if defined(_WIN32) #include "thread_win32.h" #elif defined(HAVE_PTHREAD_H) #include "thread_pthread.h" #endif #ifndef ENABLE_VM_OBJSPACE #ifdef _WIN32 /* * TODO: object space independent st_table. * socklist and conlist will be freed exit_handler(), after object * space destruction. */ #define ENABLE_VM_OBJSPACE 0 #else #define ENABLE_VM_OBJSPACE 1 #endif #endif #include #include #ifndef NSIG # define NSIG (_SIGMAX + 1) /* For QNX */ #endif #define RUBY_NSIG NSIG #ifdef HAVE_STDARG_PROTOTYPES #include #define va_init_list(a,b) va_start((a),(b)) #else #include #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 #ifdef __native_client__ #undef OPT_DIRECT_THREADED_CODE #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 */ typedef unsigned long rb_num_t; enum ruby_tag_type { RUBY_TAG_NONE = 0x0, RUBY_TAG_RETURN = 0x1, RUBY_TAG_BREAK = 0x2, RUBY_TAG_NEXT = 0x3, RUBY_TAG_RETRY = 0x4, RUBY_TAG_REDO = 0x5, RUBY_TAG_RAISE = 0x6, RUBY_TAG_THROW = 0x7, RUBY_TAG_FATAL = 0x8, RUBY_TAG_MASK = 0xf }; #define TAG_NONE RUBY_TAG_NONE #define TAG_RETURN RUBY_TAG_RETURN #define TAG_BREAK RUBY_TAG_BREAK #define TAG_NEXT RUBY_TAG_NEXT #define TAG_RETRY RUBY_TAG_RETRY #define TAG_REDO RUBY_TAG_REDO #define TAG_RAISE RUBY_TAG_RAISE #define TAG_THROW RUBY_TAG_THROW #define TAG_FATAL RUBY_TAG_FATAL #define TAG_MASK RUBY_TAG_MASK enum ruby_vm_throw_flags { VM_THROW_NO_ESCAPE_FLAG = 0x8000, VM_THROW_LEVEL_SHIFT = 16, VM_THROW_STATE_MASK = 0xff }; /* forward declarations */ struct rb_thread_struct; struct rb_control_frame_struct; /* iseq data type */ typedef struct rb_compile_option_struct rb_compile_option_t; struct iseq_inline_cache_entry { rb_serial_t ic_serial; const rb_cref_t *ic_cref; union { size_t index; VALUE value; } ic_value; }; union iseq_inline_storage_entry { struct { struct rb_thread_struct *running_thread; VALUE value; } once; struct iseq_inline_cache_entry cache; }; enum method_missing_reason { MISSING_NOENTRY = 0x00, MISSING_PRIVATE = 0x01, MISSING_PROTECTED = 0x02, MISSING_FCALL = 0x04, MISSING_VCALL = 0x08, MISSING_SUPER = 0x10, MISSING_MISSING = 0x20, MISSING_NONE = 0x40 }; struct rb_call_info { /* fixed at compile time */ ID mid; unsigned int flag; int orig_argc; }; struct rb_call_info_kw_arg { int keyword_len; VALUE keywords[1]; }; struct rb_call_info_with_kwarg { struct rb_call_info ci; struct rb_call_info_kw_arg *kw_arg; }; struct rb_calling_info { VALUE block_handler; VALUE recv; int argc; }; struct rb_call_cache; typedef VALUE (*vm_call_handler)(struct rb_thread_struct *th, struct rb_control_frame_struct *cfp, struct rb_calling_info *calling, const struct rb_call_info *ci, struct rb_call_cache *cc); struct rb_call_cache { /* inline cache: keys */ rb_serial_t method_state; rb_serial_t class_serial; /* inline cache: values */ const rb_callable_method_entry_t *me; vm_call_handler call; union { unsigned int index; /* used by ivar */ enum method_missing_reason method_missing_reason; /* used by method_missing */ int inc_sp; /* used by cfunc */ } aux; }; #if 1 #define CoreDataFromValue(obj, type) (type*)DATA_PTR(obj) #else #define CoreDataFromValue(obj, type) (type*)rb_data_object_get(obj) #endif #define GetCoreDataFromValue(obj, type, ptr) ((ptr) = CoreDataFromValue((obj), type)) typedef struct rb_iseq_location_struct { VALUE pathobj; /* String (path) or Array [path, realpath]. Frozen. */ VALUE base_label; /* String */ VALUE label; /* String */ VALUE first_lineno; /* TODO: may be unsigned short */ } rb_iseq_location_t; #define PATHOBJ_PATH 0 #define PATHOBJ_REALPATH 1 static inline VALUE pathobj_path(VALUE pathobj) { if (RB_TYPE_P(pathobj, T_STRING)) { return pathobj; } else { VM_ASSERT(RB_TYPE_P(pathobj, T_ARRAY)); return RARRAY_AREF(pathobj, PATHOBJ_PATH); } } static inline VALUE pathobj_realpath(VALUE pathobj) { if (RB_TYPE_P(pathobj, T_STRING)) { return pathobj; } else { VM_ASSERT(RB_TYPE_P(pathobj, T_ARRAY)); return RARRAY_AREF(pathobj, PATHOBJ_REALPATH); } } struct rb_iseq_constant_body { 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 */ unsigned int iseq_size; const VALUE *iseq_encoded; /* encoded iseq (insn addr and operands) */ /** * parameter information * * def m(a1, a2, ..., aM, # mandatory * b1=(...), b2=(...), ..., bN=(...), # optional * *c, # rest * d1, d2, ..., dO, # post * e1:(...), e2:(...), ..., eK:(...), # keyword * **f, # keyword_rest * &g) # block * => * * lead_num = M * opt_num = N * rest_start = M+N * post_start = M+N+(*1) * post_num = O * keyword_num = K * block_start = M+N+(*1)+O+K * keyword_bits = M+N+(*1)+O+K+(&1) * size = M+N+O+(*1)+K+(&1)+(**1) // parameter size. */ struct { struct { unsigned int has_lead : 1; unsigned int has_opt : 1; unsigned int has_rest : 1; unsigned int has_post : 1; unsigned int has_kw : 1; unsigned int has_kwrest : 1; unsigned int has_block : 1; unsigned int ambiguous_param0 : 1; /* {|a|} */ } flags; unsigned int size; int lead_num; int opt_num; int rest_start; int post_start; int post_num; int block_start; const VALUE *opt_table; /* (opt_num + 1) entries. */ /* opt_num and opt_table: * * def foo o1=e1, o2=e2, ..., oN=eN * #=> * # prologue code * A1: e1 * A2: e2 * ... * AN: eN * AL: body * opt_num = N * opt_table = [A1, A2, ..., AN, AL] */ const struct rb_iseq_param_keyword { int num; int required_num; int bits_start; int rest_start; const ID *table; const VALUE *default_values; } *keyword; } param; rb_iseq_location_t location; /* insn info, must be freed */ const struct iseq_line_info_entry *line_info_table; const ID *local_table; /* must free */ /* catch table */ const struct iseq_catch_table *catch_table; /* for child iseq */ const struct rb_iseq_struct *parent_iseq; struct rb_iseq_struct *local_iseq; /* local_iseq->flip_cnt can be modified */ union iseq_inline_storage_entry *is_entries; struct rb_call_info *ci_entries; /* struct rb_call_info ci_entries[ci_size]; * struct rb_call_info_with_kwarg cikw_entries[ci_kw_size]; * So that: * struct rb_call_info_with_kwarg *cikw_entries = &body->ci_entries[ci_size]; */ struct rb_call_cache *cc_entries; /* size is ci_size = ci_kw_size */ VALUE mark_ary; /* Array: includes operands which should be GC marked */ unsigned int local_table_size; unsigned int is_size; unsigned int ci_size; unsigned int ci_kw_size; unsigned int line_info_size; unsigned int stack_max; /* for stack overflow check */ }; /* T_IMEMO/iseq */ /* typedef rb_iseq_t is in method.h */ struct rb_iseq_struct { VALUE flags; VALUE reserved1; struct rb_iseq_constant_body *body; union { /* 4, 5 words */ struct iseq_compile_data *compile_data; /* used at compile time */ struct { VALUE obj; int index; } loader; } aux; }; #ifndef USE_LAZY_LOAD #define USE_LAZY_LOAD 0 #endif #if USE_LAZY_LOAD const rb_iseq_t *rb_iseq_complete(const rb_iseq_t *iseq); #endif static inline const rb_iseq_t * rb_iseq_check(const rb_iseq_t *iseq) { #if USE_LAZY_LOAD if (iseq->body == NULL) { rb_iseq_complete((rb_iseq_t *)iseq); } #endif return iseq; } enum ruby_special_exceptions { ruby_error_reenter, ruby_error_nomemory, ruby_error_sysstack, ruby_error_stackfatal, ruby_error_stream_closed, ruby_special_error_count }; enum ruby_basic_operators { BOP_PLUS, BOP_MINUS, BOP_MULT, BOP_DIV, BOP_MOD, BOP_EQ, BOP_EQQ, BOP_LT, BOP_LE, BOP_LTLT, BOP_AREF, BOP_ASET, BOP_LENGTH, BOP_SIZE, BOP_EMPTY_P, BOP_SUCC, BOP_GT, BOP_GE, BOP_NOT, BOP_NEQ, BOP_MATCH, BOP_FREEZE, BOP_UMINUS, BOP_MAX, BOP_MIN, BOP_LAST_ }; #define GetVMPtr(obj, ptr) \ GetCoreDataFromValue((obj), rb_vm_t, (ptr)) struct rb_vm_struct; typedef void rb_vm_at_exit_func(struct rb_vm_struct*); typedef struct rb_at_exit_list { rb_vm_at_exit_func *func; struct rb_at_exit_list *next; } rb_at_exit_list; struct rb_objspace; struct rb_objspace *rb_objspace_alloc(void); void rb_objspace_free(struct rb_objspace *); typedef struct rb_hook_list_struct { struct rb_event_hook_struct *hooks; rb_event_flag_t events; int need_clean; } rb_hook_list_t; typedef struct rb_vm_struct { VALUE self; rb_global_vm_lock_t gvl; rb_nativethread_lock_t thread_destruct_lock; struct rb_thread_struct *main_thread; struct rb_thread_struct *running_thread; struct list_head waiting_fds; /* <=> struct waiting_fd */ struct list_head living_threads; size_t living_thread_num; VALUE thgroup_default; unsigned int running: 1; unsigned int thread_abort_on_exception: 1; unsigned int thread_report_on_exception: 1; int trace_running; volatile int sleeper; /* object management */ VALUE mark_object_ary; const VALUE special_exceptions[ruby_special_error_count]; /* load */ VALUE top_self; VALUE load_path; VALUE load_path_snapshot; VALUE load_path_check_cache; VALUE expanded_load_path; VALUE loaded_features; VALUE loaded_features_snapshot; struct st_table *loaded_features_index; struct st_table *loading_table; /* signal */ struct { VALUE cmd[RUBY_NSIG]; unsigned char safe[RUBY_NSIG]; } trap_list; /* hook */ rb_hook_list_t event_hooks; /* relation table of ensure - rollback for callcc */ struct st_table *ensure_rollback_table; /* postponed_job */ struct rb_postponed_job_struct *postponed_job_buffer; int postponed_job_index; int src_encoding_index; VALUE verbose, debug, orig_progname, progname; VALUE coverages; int coverage_mode; VALUE defined_module_hash; struct rb_objspace *objspace; rb_at_exit_list *at_exit; VALUE *defined_strings; st_table *frozen_strings; /* params */ struct { /* size in byte */ size_t thread_vm_stack_size; size_t thread_machine_stack_size; size_t fiber_vm_stack_size; size_t fiber_machine_stack_size; } default_params; short redefined_flag[BOP_LAST_]; } rb_vm_t; /* default values */ #define RUBY_VM_SIZE_ALIGN 4096 #define RUBY_VM_THREAD_VM_STACK_SIZE ( 128 * 1024 * sizeof(VALUE)) /* 512 KB or 1024 KB */ #define RUBY_VM_THREAD_VM_STACK_SIZE_MIN ( 2 * 1024 * sizeof(VALUE)) /* 8 KB or 16 KB */ #define RUBY_VM_THREAD_MACHINE_STACK_SIZE ( 128 * 1024 * sizeof(VALUE)) /* 512 KB or 1024 KB */ #define RUBY_VM_THREAD_MACHINE_STACK_SIZE_MIN ( 16 * 1024 * sizeof(VALUE)) /* 64 KB or 128 KB */ #define RUBY_VM_FIBER_VM_STACK_SIZE ( 16 * 1024 * sizeof(VALUE)) /* 64 KB or 128 KB */ #define RUBY_VM_FIBER_VM_STACK_SIZE_MIN ( 2 * 1024 * sizeof(VALUE)) /* 8 KB or 16 KB */ #define RUBY_VM_FIBER_MACHINE_STACK_SIZE ( 64 * 1024 * sizeof(VALUE)) /* 256 KB or 512 KB */ #define RUBY_VM_FIBER_MACHINE_STACK_SIZE_MIN ( 16 * 1024 * sizeof(VALUE)) /* 64 KB or 128 KB */ /* optimize insn */ #define INTEGER_REDEFINED_OP_FLAG (1 << 0) #define FLOAT_REDEFINED_OP_FLAG (1 << 1) #define STRING_REDEFINED_OP_FLAG (1 << 2) #define ARRAY_REDEFINED_OP_FLAG (1 << 3) #define HASH_REDEFINED_OP_FLAG (1 << 4) /* #define BIGNUM_REDEFINED_OP_FLAG (1 << 5) */ #define SYMBOL_REDEFINED_OP_FLAG (1 << 6) #define TIME_REDEFINED_OP_FLAG (1 << 7) #define REGEXP_REDEFINED_OP_FLAG (1 << 8) #define NIL_REDEFINED_OP_FLAG (1 << 9) #define TRUE_REDEFINED_OP_FLAG (1 << 10) #define FALSE_REDEFINED_OP_FLAG (1 << 11) #define BASIC_OP_UNREDEFINED_P(op, klass) (LIKELY((GET_VM()->redefined_flag[(op)]&(klass)) == 0)) #ifndef VM_DEBUG_BP_CHECK #define VM_DEBUG_BP_CHECK 0 #endif #ifndef VM_DEBUG_VERIFY_METHOD_CACHE #define VM_DEBUG_VERIFY_METHOD_CACHE (VM_DEBUG_MODE != 0) #endif struct rb_captured_block { VALUE self; const VALUE *ep; union { const rb_iseq_t *iseq; const struct vm_ifunc *ifunc; VALUE val; } code; }; enum rb_block_handler_type { block_handler_type_iseq, block_handler_type_ifunc, block_handler_type_symbol, block_handler_type_proc }; enum rb_block_type { block_type_iseq, block_type_ifunc, block_type_symbol, block_type_proc }; struct rb_block { union { struct rb_captured_block captured; VALUE symbol; VALUE proc; } as; enum rb_block_type type; }; typedef struct rb_control_frame_struct { const VALUE *pc; /* cfp[0] */ VALUE *sp; /* cfp[1] */ const rb_iseq_t *iseq; /* cfp[2] */ VALUE self; /* cfp[3] / block[0] */ const VALUE *ep; /* cfp[4] / block[1] */ const void *block_code; /* cfp[5] / block[2] */ /* iseq or ifunc */ #if VM_DEBUG_BP_CHECK VALUE *bp_check; /* cfp[6] */ #endif } rb_control_frame_t; extern const rb_data_type_t ruby_threadptr_data_type; static inline struct rb_thread_struct * rb_thread_ptr(VALUE thval) { return (struct rb_thread_struct *)rb_check_typeddata(thval, &ruby_threadptr_data_type); } enum rb_thread_status { THREAD_RUNNABLE, THREAD_STOPPED, THREAD_STOPPED_FOREVER, THREAD_KILLED }; typedef RUBY_JMP_BUF rb_jmpbuf_t; /* the members which are written in TH_PUSH_TAG() should be placed at the beginning and the end, so that entire region is accessible. */ struct rb_vm_tag { VALUE tag; VALUE retval; rb_jmpbuf_t buf; struct rb_vm_tag *prev; enum ruby_tag_type state; }; STATIC_ASSERT(rb_vm_tag_buf_offset, offsetof(struct rb_vm_tag, buf) > 0); STATIC_ASSERT(rb_vm_tag_buf_end, offsetof(struct rb_vm_tag, buf) + sizeof(rb_jmpbuf_t) < sizeof(struct rb_vm_tag)); 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; typedef struct rb_thread_list_struct{ struct rb_thread_list_struct *next; struct rb_thread_struct *th; } rb_thread_list_t; typedef struct rb_ensure_entry { VALUE marker; VALUE (*e_proc)(ANYARGS); VALUE data2; } rb_ensure_entry_t; typedef struct rb_ensure_list { struct rb_ensure_list *next; struct rb_ensure_entry entry; } rb_ensure_list_t; typedef char rb_thread_id_string_t[sizeof(rb_nativethread_id_t) * 2 + 3]; typedef struct rb_fiber_struct rb_fiber_t; typedef struct rb_execution_context_struct { /* execution information */ VALUE *vm_stack; /* must free, must mark */ size_t vm_stack_size; /* size in word (byte size / sizeof(VALUE)) */ rb_control_frame_t *cfp; struct rb_vm_tag *tag; struct rb_vm_protect_tag *protect_tag; int safe_level; int raised_flag; /* temporary place of errinfo */ VALUE errinfo; /* storage (ec (fiber) local) */ st_table *local_storage; VALUE local_storage_recursive_hash; VALUE local_storage_recursive_hash_for_trace; /* eval env */ const VALUE *root_lep; VALUE root_svar; /* trace information */ struct rb_trace_arg_struct *trace_arg; /* ensure & callcc */ rb_ensure_list_t *ensure_list; rb_fiber_t *fiber; /* for GC */ struct { VALUE *stack_start; VALUE *stack_end; size_t stack_maxsize; #ifdef __ia64 VALUE *register_stack_start; VALUE *register_stack_end; size_t register_stack_maxsize; #endif jmp_buf regs; } machine; } rb_execution_context_t; typedef struct rb_thread_struct { struct list_node vmlt_node; VALUE self; rb_vm_t *vm; rb_execution_context_t ec; VALUE last_status; /* $? */ /* for rb_iterate */ VALUE passed_block_handler; /* for bmethod */ const rb_callable_method_entry_t *passed_bmethod_me; /* for cfunc */ struct rb_calling_info *calling; /* for load(true) */ VALUE top_self; VALUE top_wrapper; /* thread control */ rb_nativethread_id_t thread_id; #ifdef NON_SCALAR_THREAD_ID rb_thread_id_string_t thread_id_string; #endif enum rb_thread_status status; int to_kill; int priority; native_thread_data_t native_thread_data; void *blocking_region_buffer; VALUE thgroup; VALUE value; /* temporary place of retval on OPT_CALL_THREADED_CODE */ #if OPT_CALL_THREADED_CODE VALUE retval; #endif /* async errinfo queue */ VALUE pending_interrupt_queue; VALUE pending_interrupt_mask_stack; int pending_interrupt_queue_checked; rb_atomic_t interrupt_flag; unsigned long interrupt_mask; rb_nativethread_lock_t interrupt_lock; struct rb_unblock_callback unblock; VALUE locking_mutex; struct rb_mutex_struct *keeping_mutexes; rb_thread_list_t *join_list; VALUE first_proc; VALUE first_args; VALUE (*first_func)(ANYARGS); /* statistics data for profiler */ VALUE stat_insn_usage; /* tracer */ rb_hook_list_t event_hooks; /* fiber */ rb_fiber_t *root_fiber; rb_jmpbuf_t root_jmpbuf; /* misc */ enum method_missing_reason method_missing_reason: 8; unsigned int abort_on_exception: 1; unsigned int report_on_exception: 1; #ifdef USE_SIGALTSTACK void *altstack; #endif uint32_t running_time_us; /* 12500..800000 */ VALUE name; } rb_thread_t; typedef enum { VM_DEFINECLASS_TYPE_CLASS = 0x00, VM_DEFINECLASS_TYPE_SINGLETON_CLASS = 0x01, VM_DEFINECLASS_TYPE_MODULE = 0x02, /* 0x03..0x06 is reserved */ VM_DEFINECLASS_TYPE_MASK = 0x07 } rb_vm_defineclass_type_t; #define VM_DEFINECLASS_TYPE(x) ((rb_vm_defineclass_type_t)(x) & VM_DEFINECLASS_TYPE_MASK) #define VM_DEFINECLASS_FLAG_SCOPED 0x08 #define VM_DEFINECLASS_FLAG_HAS_SUPERCLASS 0x10 #define VM_DEFINECLASS_SCOPED_P(x) ((x) & VM_DEFINECLASS_FLAG_SCOPED) #define VM_DEFINECLASS_HAS_SUPERCLASS_P(x) \ ((x) & VM_DEFINECLASS_FLAG_HAS_SUPERCLASS) /* iseq.c */ RUBY_SYMBOL_EXPORT_BEGIN /* node -> iseq */ rb_iseq_t *rb_iseq_new (NODE *node, VALUE name, VALUE path, VALUE realpath, const rb_iseq_t *parent, enum iseq_type); rb_iseq_t *rb_iseq_new_top (NODE *node, VALUE name, VALUE path, VALUE realpath, const rb_iseq_t *parent); rb_iseq_t *rb_iseq_new_main (NODE *node, VALUE path, VALUE realpath, const rb_iseq_t *parent); rb_iseq_t *rb_iseq_new_with_opt(NODE* node, VALUE name, VALUE path, VALUE realpath, VALUE first_lineno, const rb_iseq_t *parent, enum iseq_type, const rb_compile_option_t*); /* src -> iseq */ rb_iseq_t *rb_iseq_compile(VALUE src, VALUE file, VALUE line); rb_iseq_t *rb_iseq_compile_on_base(VALUE src, VALUE file, VALUE line, const struct rb_block *base_block); rb_iseq_t *rb_iseq_compile_with_option(VALUE src, VALUE file, VALUE realpath, VALUE line, const struct rb_block *base_block, VALUE opt); VALUE rb_iseq_disasm(const rb_iseq_t *iseq); int rb_iseq_disasm_insn(VALUE str, const VALUE *iseqval, size_t pos, const rb_iseq_t *iseq, VALUE child); const char *ruby_node_name(int node); VALUE rb_iseq_coverage(const rb_iseq_t *iseq); RUBY_EXTERN VALUE rb_cISeq; RUBY_EXTERN VALUE rb_cRubyVM; RUBY_EXTERN VALUE rb_mRubyVMFrozenCore; RUBY_SYMBOL_EXPORT_END #define GetProcPtr(obj, ptr) \ GetCoreDataFromValue((obj), rb_proc_t, (ptr)) typedef struct { const struct rb_block block; int8_t safe_level; /* 0..1 */ int8_t is_from_method; /* bool */ int8_t is_lambda; /* bool */ } rb_proc_t; typedef struct { VALUE flags; /* imemo header */ const rb_iseq_t *iseq; const VALUE *ep; const VALUE *env; unsigned int env_size; } rb_env_t; extern const rb_data_type_t ruby_binding_data_type; #define GetBindingPtr(obj, ptr) \ GetCoreDataFromValue((obj), rb_binding_t, (ptr)) typedef struct { const struct rb_block block; const VALUE pathobj; unsigned short first_lineno; } rb_binding_t; /* used by compile time and send insn */ enum vm_check_match_type { VM_CHECKMATCH_TYPE_WHEN = 1, VM_CHECKMATCH_TYPE_CASE = 2, VM_CHECKMATCH_TYPE_RESCUE = 3 }; #define VM_CHECKMATCH_TYPE_MASK 0x03 #define VM_CHECKMATCH_ARRAY 0x04 enum vm_call_flag_bits { VM_CALL_ARGS_SPLAT_bit, /* m(*args) */ VM_CALL_ARGS_BLOCKARG_bit, /* m(&block) */ VM_CALL_FCALL_bit, /* m(...) */ VM_CALL_VCALL_bit, /* m */ VM_CALL_ARGS_SIMPLE_bit, /* (ci->flag & (SPLAT|BLOCKARG)) && blockiseq == NULL && ci->kw_arg == NULL */ VM_CALL_BLOCKISEQ_bit, /* has blockiseq */ VM_CALL_KWARG_bit, /* has kwarg */ VM_CALL_KW_SPLAT_bit, /* m(**opts) */ VM_CALL_TAILCALL_bit, /* located at tail position */ VM_CALL_SUPER_bit, /* super */ VM_CALL_OPT_SEND_bit, /* internal flag */ VM_CALL__END }; #define VM_CALL_ARGS_SPLAT (0x01 << VM_CALL_ARGS_SPLAT_bit) #define VM_CALL_ARGS_BLOCKARG (0x01 << VM_CALL_ARGS_BLOCKARG_bit) #define VM_CALL_FCALL (0x01 << VM_CALL_FCALL_bit) #define VM_CALL_VCALL (0x01 << VM_CALL_VCALL_bit) #define VM_CALL_ARGS_SIMPLE (0x01 << VM_CALL_ARGS_SIMPLE_bit) #define VM_CALL_BLOCKISEQ (0x01 << VM_CALL_BLOCKISEQ_bit) #define VM_CALL_KWARG (0x01 << VM_CALL_KWARG_bit) #define VM_CALL_KW_SPLAT (0x01 << VM_CALL_KW_SPLAT_bit) #define VM_CALL_TAILCALL (0x01 << VM_CALL_TAILCALL_bit) #define VM_CALL_SUPER (0x01 << VM_CALL_SUPER_bit) #define VM_CALL_OPT_SEND (0x01 << VM_CALL_OPT_SEND_bit) enum vm_special_object_type { VM_SPECIAL_OBJECT_VMCORE = 1, VM_SPECIAL_OBJECT_CBASE, VM_SPECIAL_OBJECT_CONST_BASE }; enum vm_svar_index { VM_SVAR_LASTLINE = 0, /* $_ */ VM_SVAR_BACKREF = 1, /* $~ */ VM_SVAR_EXTRA_START = 2, VM_SVAR_FLIPFLOP_START = 2 /* flipflop */ }; /* inline cache */ typedef struct iseq_inline_cache_entry *IC; typedef struct rb_call_info *CALL_INFO; typedef struct rb_call_cache *CALL_CACHE; 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 VM_TAGGED_PTR_SET(p, tag) ((VALUE)(p) | (tag)) #define VM_TAGGED_PTR_REF(v, mask) ((void *)((v) & ~mask)) #define GC_GUARDED_PTR(p) VM_TAGGED_PTR_SET((p), 0x01) #define GC_GUARDED_PTR_REF(p) VM_TAGGED_PTR_REF((p), 0x03) #define GC_GUARDED_PTR_P(p) (((VALUE)(p)) & 0x01) enum { /* Frame/Environment flag bits: * MMMM MMMM MMMM MMMM ____ __FF FFFF EEEX (LSB) * * X : tag for GC marking (It seems as Fixnum) * EEE : 3 bits Env flags * FF..: 6 bits Frame flags * MM..: 16 bits frame magic (to check frame corruption) */ /* frame types */ VM_FRAME_MAGIC_METHOD = 0x11110001, VM_FRAME_MAGIC_BLOCK = 0x22220001, VM_FRAME_MAGIC_CLASS = 0x33330001, VM_FRAME_MAGIC_TOP = 0x44440001, VM_FRAME_MAGIC_CFUNC = 0x55550001, VM_FRAME_MAGIC_IFUNC = 0x66660001, VM_FRAME_MAGIC_EVAL = 0x77770001, VM_FRAME_MAGIC_RESCUE = 0x88880001, VM_FRAME_MAGIC_DUMMY = 0x99990001, VM_FRAME_MAGIC_MASK = 0xffff0001, /* frame flag */ VM_FRAME_FLAG_PASSED = 0x0010, VM_FRAME_FLAG_FINISH = 0x0020, VM_FRAME_FLAG_BMETHOD = 0x0040, VM_FRAME_FLAG_CFRAME = 0x0080, VM_FRAME_FLAG_LAMBDA = 0x0100, /* env flag */ VM_ENV_FLAG_LOCAL = 0x0002, VM_ENV_FLAG_ESCAPED = 0x0004, VM_ENV_FLAG_WB_REQUIRED = 0x0008 }; #define VM_ENV_DATA_SIZE ( 3) #define VM_ENV_DATA_INDEX_ME_CREF (-2) /* ep[-2] */ #define VM_ENV_DATA_INDEX_SPECVAL (-1) /* ep[-1] */ #define VM_ENV_DATA_INDEX_FLAGS ( 0) /* ep[ 0] */ #define VM_ENV_DATA_INDEX_ENV ( 1) /* ep[ 1] */ #define VM_ENV_DATA_INDEX_ENV_PROC ( 2) /* ep[ 2] */ #define VM_ENV_INDEX_LAST_LVAR (-VM_ENV_DATA_SIZE) static inline void VM_FORCE_WRITE_SPECIAL_CONST(const VALUE *ptr, VALUE special_const_value); static inline void VM_ENV_FLAGS_SET(const VALUE *ep, VALUE flag) { VALUE flags = ep[VM_ENV_DATA_INDEX_FLAGS]; VM_ASSERT(FIXNUM_P(flags)); VM_FORCE_WRITE_SPECIAL_CONST(&ep[VM_ENV_DATA_INDEX_FLAGS], flags | flag); } static inline void VM_ENV_FLAGS_UNSET(const VALUE *ep, VALUE flag) { VALUE flags = ep[VM_ENV_DATA_INDEX_FLAGS]; VM_ASSERT(FIXNUM_P(flags)); VM_FORCE_WRITE_SPECIAL_CONST(&ep[VM_ENV_DATA_INDEX_FLAGS], flags & ~flag); } static inline unsigned long VM_ENV_FLAGS(const VALUE *ep, long flag) { VALUE flags = ep[VM_ENV_DATA_INDEX_FLAGS]; VM_ASSERT(FIXNUM_P(flags)); return flags & flag; } static inline unsigned long VM_FRAME_TYPE(const rb_control_frame_t *cfp) { return VM_ENV_FLAGS(cfp->ep, VM_FRAME_MAGIC_MASK); } static inline int VM_FRAME_LAMBDA_P(const rb_control_frame_t *cfp) { return VM_ENV_FLAGS(cfp->ep, VM_FRAME_FLAG_LAMBDA) != 0; } static inline int VM_FRAME_FINISHED_P(const rb_control_frame_t *cfp) { return VM_ENV_FLAGS(cfp->ep, VM_FRAME_FLAG_FINISH) != 0; } static inline int VM_FRAME_BMETHOD_P(const rb_control_frame_t *cfp) { return VM_ENV_FLAGS(cfp->ep, VM_FRAME_FLAG_BMETHOD) != 0; } static inline int rb_obj_is_iseq(VALUE iseq) { return imemo_type_p(iseq, imemo_iseq); } #if VM_CHECK_MODE > 0 #define RUBY_VM_NORMAL_ISEQ_P(iseq) rb_obj_is_iseq((VALUE)iseq) #endif static inline int VM_FRAME_CFRAME_P(const rb_control_frame_t *cfp) { int cframe_p = VM_ENV_FLAGS(cfp->ep, VM_FRAME_FLAG_CFRAME) != 0; VM_ASSERT(RUBY_VM_NORMAL_ISEQ_P(cfp->iseq) != cframe_p); return cframe_p; } static inline int VM_FRAME_RUBYFRAME_P(const rb_control_frame_t *cfp) { return !VM_FRAME_CFRAME_P(cfp); } #define RUBYVM_CFUNC_FRAME_P(cfp) \ (VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_CFUNC) #define VM_GUARDED_PREV_EP(ep) GC_GUARDED_PTR(ep) #define VM_BLOCK_HANDLER_NONE 0 static inline int VM_ENV_LOCAL_P(const VALUE *ep) { return VM_ENV_FLAGS(ep, VM_ENV_FLAG_LOCAL) ? 1 : 0; } static inline const VALUE * VM_ENV_PREV_EP(const VALUE *ep) { VM_ASSERT(VM_ENV_LOCAL_P(ep) == 0); return GC_GUARDED_PTR_REF(ep[VM_ENV_DATA_INDEX_SPECVAL]); } static inline VALUE VM_ENV_BLOCK_HANDLER(const VALUE *ep) { VM_ASSERT(VM_ENV_LOCAL_P(ep)); return ep[VM_ENV_DATA_INDEX_SPECVAL]; } #if VM_CHECK_MODE > 0 int rb_vm_ep_in_heap_p(const VALUE *ep); #endif static inline int VM_ENV_ESCAPED_P(const VALUE *ep) { VM_ASSERT(rb_vm_ep_in_heap_p(ep) == !!VM_ENV_FLAGS(ep, VM_ENV_FLAG_ESCAPED)); return VM_ENV_FLAGS(ep, VM_ENV_FLAG_ESCAPED) ? 1 : 0; } #if VM_CHECK_MODE > 0 static inline int vm_assert_env(VALUE obj) { VM_ASSERT(imemo_type_p(obj, imemo_env)); return 1; } #endif static inline VALUE VM_ENV_ENVVAL(const VALUE *ep) { VALUE envval = ep[VM_ENV_DATA_INDEX_ENV]; VM_ASSERT(VM_ENV_ESCAPED_P(ep)); VM_ASSERT(vm_assert_env(envval)); return envval; } static inline const rb_env_t * VM_ENV_ENVVAL_PTR(const VALUE *ep) { return (const rb_env_t *)VM_ENV_ENVVAL(ep); } static inline VALUE VM_ENV_PROCVAL(const VALUE *ep) { VM_ASSERT(VM_ENV_ESCAPED_P(ep)); VM_ASSERT(VM_ENV_LOCAL_P(ep)); VM_ASSERT(VM_ENV_BLOCK_HANDLER(ep) != VM_BLOCK_HANDLER_NONE); return ep[VM_ENV_DATA_INDEX_ENV_PROC]; } static inline const rb_env_t * vm_env_new(VALUE *env_ep, VALUE *env_body, unsigned int env_size, const rb_iseq_t *iseq) { rb_env_t *env = (rb_env_t *)rb_imemo_new(imemo_env, (VALUE)env_ep, (VALUE)env_body, 0, (VALUE)iseq); env->env_size = env_size; env_ep[VM_ENV_DATA_INDEX_ENV] = (VALUE)env; return env; } static inline void VM_FORCE_WRITE(const VALUE *ptr, VALUE v) { *((VALUE *)ptr) = v; } static inline void VM_FORCE_WRITE_SPECIAL_CONST(const VALUE *ptr, VALUE special_const_value) { VM_ASSERT(RB_SPECIAL_CONST_P(special_const_value)); VM_FORCE_WRITE(ptr, special_const_value); } static inline void VM_STACK_ENV_WRITE(const VALUE *ep, int index, VALUE v) { VM_ASSERT(VM_ENV_FLAGS(ep, VM_ENV_FLAG_WB_REQUIRED) == 0); VM_FORCE_WRITE(&ep[index], v); } const VALUE *rb_vm_ep_local_ep(const VALUE *ep); const VALUE *rb_vm_proc_local_ep(VALUE proc); void rb_vm_block_ep_update(VALUE obj, const struct rb_block *dst, const VALUE *ep); void rb_vm_block_copy(VALUE obj, const struct rb_block *dst, const struct rb_block *src); VALUE rb_vm_frame_block_handler(const rb_control_frame_t *cfp); #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)->ec.vm_stack + (th)->ec.vm_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))) static inline int VM_BH_ISEQ_BLOCK_P(VALUE block_handler) { if ((block_handler & 0x03) == 0x01) { #if VM_CHECK_MODE > 0 struct rb_captured_block *captured = VM_TAGGED_PTR_REF(block_handler, 0x03); VM_ASSERT(imemo_type_p(captured->code.val, imemo_iseq)); #endif return 1; } else { return 0; } } static inline VALUE VM_BH_FROM_ISEQ_BLOCK(const struct rb_captured_block *captured) { VALUE block_handler = VM_TAGGED_PTR_SET(captured, 0x01); VM_ASSERT(VM_BH_ISEQ_BLOCK_P(block_handler)); return block_handler; } static inline const struct rb_captured_block * VM_BH_TO_ISEQ_BLOCK(VALUE block_handler) { struct rb_captured_block *captured = VM_TAGGED_PTR_REF(block_handler, 0x03); VM_ASSERT(VM_BH_ISEQ_BLOCK_P(block_handler)); return captured; } static inline int VM_BH_IFUNC_P(VALUE block_handler) { if ((block_handler & 0x03) == 0x03) { #if VM_CHECK_MODE > 0 struct rb_captured_block *captured = (void *)(block_handler & ~0x03); VM_ASSERT(imemo_type_p(captured->code.val, imemo_ifunc)); #endif return 1; } else { return 0; } } static inline VALUE VM_BH_FROM_IFUNC_BLOCK(const struct rb_captured_block *captured) { VALUE block_handler = VM_TAGGED_PTR_SET(captured, 0x03); VM_ASSERT(VM_BH_IFUNC_P(block_handler)); return block_handler; } static inline const struct rb_captured_block * VM_BH_TO_IFUNC_BLOCK(VALUE block_handler) { struct rb_captured_block *captured = VM_TAGGED_PTR_REF(block_handler, 0x03); VM_ASSERT(VM_BH_IFUNC_P(block_handler)); return captured; } static inline const struct rb_captured_block * VM_BH_TO_CAPT_BLOCK(VALUE block_handler) { struct rb_captured_block *captured = VM_TAGGED_PTR_REF(block_handler, 0x03); VM_ASSERT(VM_BH_IFUNC_P(block_handler) || VM_BH_ISEQ_BLOCK_P(block_handler)); return captured; } static inline enum rb_block_handler_type vm_block_handler_type(VALUE block_handler) { if (VM_BH_ISEQ_BLOCK_P(block_handler)) { return block_handler_type_iseq; } else if (VM_BH_IFUNC_P(block_handler)) { return block_handler_type_ifunc; } else if (SYMBOL_P(block_handler)) { return block_handler_type_symbol; } else { VM_ASSERT(rb_obj_is_proc(block_handler)); return block_handler_type_proc; } } static inline void vm_block_handler_verify(VALUE block_handler) { VM_ASSERT(block_handler == VM_BLOCK_HANDLER_NONE || (vm_block_handler_type(block_handler), 1)); } static inline enum rb_block_type vm_block_type(const struct rb_block *block) { #if VM_CHECK_MODE > 0 switch (block->type) { case block_type_iseq: VM_ASSERT(imemo_type_p(block->as.captured.code.val, imemo_iseq)); break; case block_type_ifunc: VM_ASSERT(imemo_type_p(block->as.captured.code.val, imemo_ifunc)); break; case block_type_symbol: VM_ASSERT(SYMBOL_P(block->as.symbol)); break; case block_type_proc: VM_ASSERT(rb_obj_is_proc(block->as.proc)); break; } #endif return block->type; } static inline void vm_block_type_set(const struct rb_block *block, enum rb_block_type type) { struct rb_block *mb = (struct rb_block *)block; mb->type = type; } static inline const struct rb_block * vm_proc_block(VALUE procval) { VM_ASSERT(rb_obj_is_proc(procval)); return &((rb_proc_t *)RTYPEDDATA_DATA(procval))->block; } static inline const rb_iseq_t *vm_block_iseq(const struct rb_block *block); static inline const VALUE *vm_block_ep(const struct rb_block *block); static inline const rb_iseq_t * vm_proc_iseq(VALUE procval) { return vm_block_iseq(vm_proc_block(procval)); } static inline const VALUE * vm_proc_ep(VALUE procval) { return vm_block_ep(vm_proc_block(procval)); } static inline const rb_iseq_t * vm_block_iseq(const struct rb_block *block) { switch (vm_block_type(block)) { case block_type_iseq: return rb_iseq_check(block->as.captured.code.iseq); case block_type_proc: return vm_proc_iseq(block->as.proc); case block_type_ifunc: case block_type_symbol: return NULL; } VM_UNREACHABLE(vm_block_iseq); return NULL; } static inline const VALUE * vm_block_ep(const struct rb_block *block) { switch (vm_block_type(block)) { case block_type_iseq: case block_type_ifunc: return block->as.captured.ep; case block_type_proc: return vm_proc_ep(block->as.proc); case block_type_symbol: return NULL; } VM_UNREACHABLE(vm_block_ep); return NULL; } static inline VALUE vm_block_self(const struct rb_block *block) { switch (vm_block_type(block)) { case block_type_iseq: case block_type_ifunc: return block->as.captured.self; case block_type_proc: return vm_block_self(vm_proc_block(block->as.proc)); case block_type_symbol: return Qundef; } VM_UNREACHABLE(vm_block_self); return Qundef; } static inline VALUE VM_BH_TO_SYMBOL(VALUE block_handler) { VM_ASSERT(SYMBOL_P(block_handler)); return block_handler; } static inline VALUE VM_BH_FROM_SYMBOL(VALUE symbol) { VM_ASSERT(SYMBOL_P(symbol)); return symbol; } static inline VALUE VM_BH_TO_PROC(VALUE block_handler) { VM_ASSERT(rb_obj_is_proc(block_handler)); return block_handler; } static inline VALUE VM_BH_FROM_PROC(VALUE procval) { VM_ASSERT(rb_obj_is_proc(procval)); return procval; } /* VM related object allocate functions */ VALUE rb_thread_alloc(VALUE klass); VALUE rb_proc_alloc(VALUE klass); VALUE rb_binding_alloc(VALUE klass); /* for debug */ extern void rb_vmdebug_stack_dump_raw(rb_thread_t *, rb_control_frame_t *); extern void rb_vmdebug_debug_print_pre(rb_thread_t *th, rb_control_frame_t *cfp, const VALUE *_pc); extern void rb_vmdebug_debug_print_post(rb_thread_t *th, rb_control_frame_t *cfp); #define SDR() rb_vmdebug_stack_dump_raw(GET_THREAD(), GET_THREAD()->ec.cfp) #define SDR2(cfp) rb_vmdebug_stack_dump_raw(GET_THREAD(), (cfp)) void rb_vm_bugreport(const void *); NORETURN(void rb_bug_context(const void *, const char *fmt, ...)); /* functions about thread/vm execution */ RUBY_SYMBOL_EXPORT_BEGIN VALUE rb_iseq_eval(const rb_iseq_t *iseq); VALUE rb_iseq_eval_main(const rb_iseq_t *iseq); VALUE rb_iseq_path(const rb_iseq_t *iseq); VALUE rb_iseq_realpath(const rb_iseq_t *iseq); RUBY_SYMBOL_EXPORT_END VALUE rb_iseq_pathobj_new(VALUE path, VALUE realpath); void rb_iseq_pathobj_set(const rb_iseq_t *iseq, VALUE path, VALUE realpath); int rb_thread_method_id_and_class(rb_thread_t *th, ID *idp, ID *called_idp, VALUE *klassp); VALUE rb_vm_invoke_proc(rb_thread_t *th, rb_proc_t *proc, int argc, const VALUE *argv, VALUE block_handler); VALUE rb_vm_make_proc_lambda(rb_thread_t *th, const struct rb_captured_block *captured, VALUE klass, int8_t is_lambda); VALUE rb_vm_make_proc(rb_thread_t *th, const struct rb_captured_block *captured, VALUE klass); VALUE rb_vm_make_binding(rb_thread_t *th, const rb_control_frame_t *src_cfp); VALUE rb_vm_env_local_variables(const rb_env_t *env); const rb_env_t *rb_vm_env_prev_env(const rb_env_t *env); const VALUE *rb_binding_add_dynavars(VALUE bindval, rb_binding_t *bind, int dyncount, const ID *dynvars); 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_callable_method_entry_t *me); void rb_vm_pop_frame(rb_thread_t *th); void rb_thread_start_timer_thread(void); void rb_thread_stop_timer_thread(void); void rb_thread_reset_timer_thread(void); void rb_thread_wakeup_timer_thread(void); static inline void rb_vm_living_threads_init(rb_vm_t *vm) { list_head_init(&vm->waiting_fds); list_head_init(&vm->living_threads); vm->living_thread_num = 0; } static inline void rb_vm_living_threads_insert(rb_vm_t *vm, rb_thread_t *th) { list_add_tail(&vm->living_threads, &th->vmlt_node); vm->living_thread_num++; } static inline void rb_vm_living_threads_remove(rb_vm_t *vm, rb_thread_t *th) { list_del(&th->vmlt_node); vm->living_thread_num--; } typedef int rb_backtrace_iter_func(void *, VALUE, int, VALUE); rb_control_frame_t *rb_vm_get_ruby_level_next_cfp(const rb_thread_t *th, const rb_control_frame_t *cfp); rb_control_frame_t *rb_vm_get_binding_creatable_next_cfp(const rb_thread_t *th, const rb_control_frame_t *cfp); int rb_vm_get_sourceline(const rb_control_frame_t *); VALUE rb_name_err_mesg_new(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); int rb_vm_control_frame_id_and_class(const rb_control_frame_t *cfp, ID *idp, ID *called_idp, VALUE *klassp); void rb_vm_rewind_cfp(rb_thread_t *th, rb_control_frame_t *cfp); void rb_vm_register_special_exception_str(enum ruby_special_exceptions sp, VALUE exception_class, VALUE mesg); #define rb_vm_register_special_exception(sp, e, m) \ rb_vm_register_special_exception_str(sp, e, rb_usascii_str_new_static((m), (long)rb_strlen_lit(m))) void rb_gc_mark_machine_stack(const rb_execution_context_t *ec); int rb_autoloading_value(VALUE mod, ID id, VALUE* value); void rb_vm_rewrite_cref(rb_cref_t *node, VALUE old_klass, VALUE new_klass, rb_cref_t **new_cref_ptr); const rb_callable_method_entry_t *rb_vm_frame_method_entry(const rb_control_frame_t *cfp); #define sysstack_error GET_VM()->special_exceptions[ruby_error_sysstack] #define RUBY_CONST_ASSERT(expr) (1/!!(expr)) /* expr must be a compile-time constant */ #define VM_STACK_OVERFLOWED_P(cfp, sp, margin) \ (!RUBY_CONST_ASSERT(sizeof(*(sp)) == sizeof(VALUE)) || \ !RUBY_CONST_ASSERT(sizeof(*(cfp)) == sizeof(rb_control_frame_t)) || \ ((rb_control_frame_t *)((sp) + (margin)) + 1) >= (cfp)) #define WHEN_VM_STACK_OVERFLOWED(cfp, sp, margin) \ if (LIKELY(!VM_STACK_OVERFLOWED_P(cfp, sp, margin))) {(void)0;} else /* overflowed */ #define CHECK_VM_STACK_OVERFLOW0(cfp, sp, margin) \ WHEN_VM_STACK_OVERFLOWED(cfp, sp, margin) vm_stackoverflow() #define CHECK_VM_STACK_OVERFLOW(cfp, margin) \ WHEN_VM_STACK_OVERFLOWED(cfp, (cfp)->sp, margin) vm_stackoverflow() VALUE rb_catch_protect(VALUE t, rb_block_call_func *func, VALUE data, enum ruby_tag_type *stateptr); /* for thread */ #if RUBY_VM_THREAD_MODEL == 2 extern rb_thread_t *ruby_current_thread; extern rb_vm_t *ruby_current_vm; extern rb_event_flag_t ruby_vm_event_flags; #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)->running_time_us = 0; \ } \ rb_thread_set_current_raw(th); \ (th)->vm->running_thread = (th); \ } while (0) #else #error "unsupported thread model" #endif enum { TIMER_INTERRUPT_MASK = 0x01, PENDING_INTERRUPT_MASK = 0x02, POSTPONED_JOB_INTERRUPT_MASK = 0x04, TRAP_INTERRUPT_MASK = 0x08 }; #define RUBY_VM_SET_TIMER_INTERRUPT(th) ATOMIC_OR((th)->interrupt_flag, TIMER_INTERRUPT_MASK) #define RUBY_VM_SET_INTERRUPT(th) ATOMIC_OR((th)->interrupt_flag, PENDING_INTERRUPT_MASK) #define RUBY_VM_SET_POSTPONED_JOB_INTERRUPT(th) ATOMIC_OR((th)->interrupt_flag, POSTPONED_JOB_INTERRUPT_MASK) #define RUBY_VM_SET_TRAP_INTERRUPT(th) ATOMIC_OR((th)->interrupt_flag, TRAP_INTERRUPT_MASK) #define RUBY_VM_INTERRUPTED(th) ((th)->interrupt_flag & ~(th)->interrupt_mask & (PENDING_INTERRUPT_MASK|TRAP_INTERRUPT_MASK)) #define RUBY_VM_INTERRUPTED_ANY(th) ((th)->interrupt_flag & ~(th)->interrupt_mask) VALUE rb_exc_set_backtrace(VALUE exc, VALUE bt); 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 *, int); void rb_threadptr_interrupt(rb_thread_t *th); void rb_threadptr_unlock_all_locking_mutexes(rb_thread_t *th); void rb_threadptr_pending_interrupt_clear(rb_thread_t *th); void rb_threadptr_pending_interrupt_enque(rb_thread_t *th, VALUE v); int rb_threadptr_pending_interrupt_active_p(rb_thread_t *th); void rb_threadptr_error_print(rb_thread_t *volatile th, volatile VALUE errinfo); #define RUBY_VM_CHECK_INTS(th) ruby_vm_check_ints(th) static inline void ruby_vm_check_ints(rb_thread_t *th) { if (UNLIKELY(RUBY_VM_INTERRUPTED_ANY(th))) { rb_threadptr_execute_interrupts(th, 0); } } /* tracer */ struct rb_trace_arg_struct { rb_event_flag_t event; rb_thread_t *th; rb_control_frame_t *cfp; VALUE self; ID id; ID called_id; VALUE klass; VALUE data; int klass_solved; /* calc from cfp */ int lineno; VALUE path; }; void rb_threadptr_exec_event_hooks(struct rb_trace_arg_struct *trace_arg); void rb_threadptr_exec_event_hooks_and_pop_frame(struct rb_trace_arg_struct *trace_arg); #define EXEC_EVENT_HOOK_ORIG(th_, flag_, self_, id_, called_id_, klass_, data_, pop_p_) do { \ const rb_event_flag_t flag_arg_ = (flag_); \ if (UNLIKELY(ruby_vm_event_flags & (flag_arg_))) { \ /* defer evaluating the other arguments */ \ ruby_exec_event_hook_orig(th_, flag_arg_, self_, id_, called_id_, klass_, data_, pop_p_); \ } \ } while (0) static inline void ruby_exec_event_hook_orig(rb_thread_t *const th, const rb_event_flag_t flag, VALUE self, ID id, ID called_id, VALUE klass, VALUE data, int pop_p) { if ((th->event_hooks.events | th->vm->event_hooks.events) & flag) { struct rb_trace_arg_struct trace_arg; trace_arg.event = flag; trace_arg.th = th; trace_arg.cfp = th->ec.cfp; trace_arg.self = self; trace_arg.id = id; trace_arg.called_id = called_id; trace_arg.klass = klass; trace_arg.data = data; trace_arg.path = Qundef; trace_arg.klass_solved = 0; if (pop_p) rb_threadptr_exec_event_hooks_and_pop_frame(&trace_arg); else rb_threadptr_exec_event_hooks(&trace_arg); } } #define EXEC_EVENT_HOOK(th_, flag_, self_, id_, called_id_, klass_, data_) \ EXEC_EVENT_HOOK_ORIG(th_, flag_, self_, id_, called_id_, klass_, data_, 0) #define EXEC_EVENT_HOOK_AND_POP_FRAME(th_, flag_, self_, id_, called_id_, klass_, data_) \ EXEC_EVENT_HOOK_ORIG(th_, flag_, self_, id_, called_id_, klass_, data_, 1) RUBY_SYMBOL_EXPORT_BEGIN int rb_thread_check_trap_pending(void); extern VALUE rb_get_coverages(void); extern void rb_set_coverages(VALUE, int); extern void rb_reset_coverages(void); void rb_postponed_job_flush(rb_vm_t *vm); RUBY_SYMBOL_EXPORT_END #endif /* RUBY_VM_CORE_H */