* blockinlining.c: remove "yarv" prefix.

* array.c, numeric.c: ditto.
* insnhelper.ci, insns.def, vm_evalbody.ci: ditto.
* yarvcore.c: removed.
* yarvcore.h: renamed to core.h.
* cont.c, debug.c, error.c, process.c, signal.c : ditto.
* ext/probeprofiler/probeprofiler.c: ditto.
* id.c, id.h: added.
* inits.c: ditto.
* compile.c: rename internal functions.
* compile.h: fix debug flag.
* eval.c, object.c, vm.c: remove ruby_top_self.
  use rb_vm_top_self() instead.
* eval_intern.h, eval_load: ditto.
* gc.c: rename yarv_machine_stack_mark() to
  rb_gc_mark_machine_stack().
* insnhelper.h: remove unused macros.
* iseq.c: add iseq_compile() to create iseq object
  from source string.
* proc.c: rename a internal function.
* template/insns.inc.tmpl: remove YARV prefix.
* thread.c:
* vm.c (rb_iseq_eval): added.
* vm.c: move some functions from yarvcore.c.
* vm_dump.c: fix to remove compiler warning.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12741 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 689 insertions, 0 deletions

diff --git a/vm_core.h b/vm_core.h
new file mode 100644
index 0000000000..568b7b390e
--- /dev/null
+++ b/vm_core.h
@@ -0,0 +1,689 @@
+/**********************************************************************
+
+  vm_core.h - 
+
+  $Author$
+  $Date$
+  created at: 04/01/01 19:41:38 JST
+
+  Copyright (C) 2004-2007 Koichi Sasada
+
+**********************************************************************/
+
+#ifndef RUBY_CORE_H
+#define RUBY_CORE_H
+
+#define RUBY_VM_THREAD_MODEL 2
+
+#include <setjmp.h>
+
+#include "ruby/ruby.h"
+#include "ruby/signal.h"
+#include "ruby/st.h"
+#include "ruby/node.h"
+
+#include "debug.h"
+#include "vm_opts.h"
+#include "id.h"
+
+#if   defined(_WIN32)
+#include "thread_win32.h"
+#elif defined(HAVE_PTHREAD_H)
+#include "thread_pthread.h"
+#else
+#error "unsupported thread type"
+#endif
+
+#include <signal.h>
+
+#ifndef NSIG
+# ifdef DJGPP
+#  define NSIG SIGMAX
+# else
+#  define NSIG (_SIGMAX + 1)      /* For QNX */
+# endif
+#endif
+
+#define RUBY_NSIG NSIG
+
+/*****************/
+/* 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 */
+
+#define ISEQ_TYPE_TOP    INT2FIX(1)
+#define ISEQ_TYPE_METHOD INT2FIX(2)
+#define ISEQ_TYPE_BLOCK  INT2FIX(3)
+#define ISEQ_TYPE_CLASS  INT2FIX(4)
+#define ISEQ_TYPE_RESCUE INT2FIX(5)
+#define ISEQ_TYPE_ENSURE INT2FIX(6)
+#define ISEQ_TYPE_EVAL   INT2FIX(7)
+#define ISEQ_TYPE_DEFINED_GUARD INT2FIX(8)
+
+#define CATCH_TYPE_RESCUE INT2FIX(1)
+#define CATCH_TYPE_ENSURE INT2FIX(2)
+#define CATCH_TYPE_RETRY  INT2FIX(3)
+#define CATCH_TYPE_BREAK  INT2FIX(4)
+#define CATCH_TYPE_REDO   INT2FIX(5)
+#define CATCH_TYPE_NEXT   INT2FIX(6)
+
+struct iseq_insn_info_entry {
+    unsigned short position;
+    unsigned short line_no;
+};
+
+struct iseq_catch_table_entry {
+    VALUE type;
+    VALUE iseq;
+    unsigned long start;
+    unsigned long end;
+    unsigned long cont;
+    unsigned long sp;
+};
+
+#define INITIAL_ISEQ_COMPILE_DATA_STORAGE_BUFF_SIZE (512)
+
+struct iseq_compile_data_storage {
+    struct iseq_compile_data_storage *next;
+    unsigned long pos;
+    unsigned long size;
+    char *buff;
+};
+
+struct iseq_compile_data_ensure_node_stack;
+
+typedef struct rb_compile_option_struct {
+    int inline_const_cache;
+    int peephole_optimization;
+    int tailcall_optimization;
+    int specialized_instruction;
+    int operands_unification;
+    int instructions_unification;
+    int stack_caching;
+    int trace_instruction;
+} rb_compile_option_t;
+
+struct iseq_compile_data {
+    /* GC is needed */
+    VALUE err_info;
+    VALUE mark_ary;
+    VALUE catch_table_ary;	/* Array */
+
+    /* GC is not needed */
+    struct iseq_label_data *start_label;
+    struct iseq_label_data *end_label;
+    struct iseq_label_data *redo_label;
+    VALUE current_block;
+    VALUE loopval_popped;	/* used by NODE_BREAK */
+    VALUE ensure_node;
+    VALUE for_iseq;
+    struct iseq_compile_data_ensure_node_stack *ensure_node_stack;
+    int cached_const;
+    struct iseq_compile_data_storage *storage_head;
+    struct iseq_compile_data_storage *storage_current;
+    int last_line;
+    int flip_cnt;
+    const rb_compile_option_t *option;
+};
+
+#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)
+
+typedef struct rb_iseq_profile_struct {
+    VALUE count;
+    VALUE time_self;
+    VALUE time_cumu; /* cumulative */
+} rb_iseq_profile_t;
+
+struct rb_iseq_struct;
+
+struct rb_iseq_struct {
+    /***************/
+    /* static data */
+    /***************/
+
+    VALUE type;          /* instruction sequence type */
+    VALUE name;	         /* String: iseq name */
+    VALUE filename;      /* file information where this sequence from */
+    VALUE *iseq;         /* iseq (insn number and openrads) */
+    VALUE *iseq_encoded; /* encoded iseq */
+    unsigned long iseq_size;
+    VALUE mark_ary;	/* Array: includes operands which should be GC marked */
+
+    /* insn info, must be freed */
+    struct iseq_insn_info_entry *insn_info_table;
+    unsigned long 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; 
+
+    /**
+     * argument information
+     *
+     *  def m(a1, a2, ..., aM,                    # mandatory
+     *        b1=(...), b2=(...), ..., bN=(...),  # optinal
+     *        *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;
+
+    int 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;
+
+    /* 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 */
+    rb_iseq_profile_t profile;
+
+    /* used at compile time */
+    struct iseq_compile_data *compile_data;
+};
+
+typedef struct rb_iseq_struct rb_iseq_t;
+
+#define RUBY_EVENT_NONE     0x00
+#define RUBY_EVENT_LINE     0x01
+#define RUBY_EVENT_CLASS    0x02
+#define RUBY_EVENT_END      0x04
+#define RUBY_EVENT_CALL     0x08
+#define RUBY_EVENT_RETURN   0x10
+#define RUBY_EVENT_C_CALL   0x20
+#define RUBY_EVENT_C_RETURN 0x40
+#define RUBY_EVENT_RAISE    0x80
+#define RUBY_EVENT_ALL      0xff
+#define RUBY_EVENT_VM      0x100
+#define RUBY_EVENT_SWITCH  0x200
+
+typedef unsigned int rb_event_flag_t;
+typedef void (*rb_event_hook_func_t)(rb_event_flag_t, VALUE data, VALUE, ID, VALUE klass);
+
+typedef struct rb_event_hook_struct {
+    rb_event_flag_t flag;
+    rb_event_hook_func_t func;
+    VALUE data;
+    struct rb_event_hook_struct *next;
+} rb_event_hook_t;
+
+#define GetVMPtr(obj, ptr) \
+  GetCoreDataFromValue(obj, rb_vm_t, ptr)
+
+typedef struct rb_vm_struct {
+    VALUE self;
+
+    rb_thread_lock_t global_interpreter_lock;
+
+    struct rb_thread_struct *main_thread;
+    struct rb_thread_struct *running_thread;
+
+    st_table *living_threads;
+    VALUE thgroup_default;
+    VALUE last_status; /* $? */
+
+    int thread_abort_on_exception;
+    unsigned long trace_flag;
+
+    /* object management */
+    VALUE mark_object_ary;
+
+    /* load */
+    VALUE top_self;
+    VALUE loaded_features;
+    struct st_table *loading_table;
+    
+    /* signal */
+    rb_atomic_t signal_buff[RUBY_NSIG];
+    rb_atomic_t bufferd_signal_size;
+
+    /* hook */
+    rb_event_hook_t *event_hooks;
+} 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] */
+    ID method_id;               /* cfp[10] saved in special case */
+    VALUE method_klass;         /* cfp[11] saved in special case */
+    VALUE prof_time_self;       /* cfp[12] */
+    VALUE prof_time_chld;       /* cfp[13] */
+} rb_control_frame_t;
+
+typedef 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;
+
+#define GetThreadPtr(obj, ptr) \
+  GetCoreDataFromValue(obj, rb_thread_t, ptr)
+
+enum rb_thread_status {
+    THREAD_TO_KILL,
+    THREAD_RUNNABLE,
+    THREAD_STOPPED,
+    THREAD_KILLED,
+};
+
+typedef 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_trap_tag {
+    struct rb_vm_trap_tag *prev;
+};
+
+#define RUBY_VM_VALUE_CACHE_SIZE 0x1000
+#define USE_VALUE_CACHE 0
+
+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;
+    
+    /* passing state */
+    int state;
+
+    /* for rb_iterate */
+    rb_block_t *passed_block;
+
+    /* 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;
+
+    VALUE thgroup;
+    VALUE value;
+
+    VALUE errinfo;
+    VALUE thrown_errinfo;
+    int exec_signal;
+
+    int interrupt_flag;
+    rb_unblock_function_t *unblock_function;
+    rb_thread_lock_t interrupt_lock;
+
+    struct rb_vm_tag *tag;
+    struct rb_vm_trap_tag *trap_tag;
+
+    int parse_in_eval;
+
+    /* storage */
+    st_table *local_storage;
+#if USE_VALUE_CACHE
+    VALUE value_cache[RUBY_VM_VALUE_CACHE_SIZE + 1];
+    VALUE *value_cache_ptr;
+#endif
+
+    struct rb_thread_struct *join_list_next;
+    struct rb_thread_struct *join_list_head;
+
+    VALUE first_proc;
+    VALUE first_args;
+    VALUE (*first_func)(ANYARGS);
+    void *first_func_arg;
+
+    /* for GC */
+    VALUE *machine_stack_start;
+    VALUE *machine_stack_end;
+#ifdef __ia64
+    VALUE *machine_register_stack_start;
+    VALUE *machine_register_stack_end;
+#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;
+};
+
+/* iseq.c */
+VALUE rb_iseq_new(NODE*, VALUE, VALUE, VALUE, VALUE);
+VALUE rb_iseq_new_with_bopt(NODE*, VALUE, VALUE, VALUE, VALUE, VALUE);
+VALUE rb_iseq_new_with_opt(NODE*, VALUE, VALUE, VALUE, VALUE, const rb_compile_option_t*);
+VALUE rb_iseq_compile(VALUE src, VALUE file, VALUE line);
+VALUE ruby_iseq_disasm(VALUE self);
+VALUE ruby_iseq_disasm_insn(VALUE str, VALUE *iseqval, int pos, rb_iseq_t *iseq, VALUE child);
+const char *ruby_node_name(int node);
+
+
+/* each thread has this size stack : 128KB */
+#define RUBY_VM_THREAD_STACK_SIZE (128 * 1024)
+
+struct global_entry {
+    struct global_variable *var;
+    ID id;
+};
+
+#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_lambda;
+
+    NODE *special_cref_stack;
+} 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;
+    NODE *cref_stack;
+} 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_SEND_BIT           (0x01 << 8)
+
+/* inline (method|const) cache */
+#define NEW_INLINE_CACHE_ENTRY() NEW_WHILE(Qundef, 0, 0)
+#define ic_klass  u1.value
+#define ic_method u2.node
+#define ic_value  u2.value
+#define ic_vmstat u3.cnt
+typedef NODE *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_METHOD_NODE NODE_METHOD
+
+#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_CLASS_SPECIAL_P(ptr) (((VALUE)(ptr)) & 0x02)
+
+#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))
+
+/* defined? */
+#define DEFINED_IVAR   INT2FIX(1)
+#define DEFINED_IVAR2  INT2FIX(2)
+#define DEFINED_GVAR   INT2FIX(3)
+#define DEFINED_CVAR   INT2FIX(4)
+#define DEFINED_CONST  INT2FIX(5)
+#define DEFINED_METHOD INT2FIX(6)
+#define DEFINED_YIELD  INT2FIX(7)
+#define DEFINED_REF    INT2FIX(8)
+#define DEFINED_ZSUPER INT2FIX(9)
+#define DEFINED_FUNC   INT2FIX(10)
+
+/* VM related object allocate functions */
+/* TODO: should be static functions */
+VALUE rb_thread_alloc(VALUE klass);
+VALUE rb_proc_alloc(VALUE klass);
+
+/* for debug */
+extern void vm_stack_dump_raw(rb_thread_t *, rb_control_frame_t *);
+#define SDR() vm_stack_dump_raw(GET_THREAD(), GET_THREAD()->cfp)
+#define SDR2(cfp) vm_stack_dump_raw(GET_THREAD(), (cfp))
+void rb_vm_bugreport(void);
+
+
+/* functions about thread/vm execution */
+
+VALUE rb_iseq_eval(VALUE iseqval);
+void rb_enable_interrupt(void);
+void rb_disable_interrupt(void);
+int rb_thread_method_id_and_klass(rb_thread_t *th, ID *idp, VALUE *klassp);
+
+VALUE vm_eval_body(rb_thread_t *th);
+VALUE vm_invoke_proc(rb_thread_t *th, rb_proc_t *proc, VALUE self, int argc, VALUE *argv);
+VALUE vm_make_proc(rb_thread_t *th, rb_control_frame_t *cfp, rb_block_t *block);
+VALUE vm_make_env_object(rb_thread_t *th, rb_control_frame_t *cfp);
+VALUE vm_backtrace(rb_thread_t *, int);
+
+VALUE vm_yield(rb_thread_t *th, int argc, VALUE *argv);
+VALUE vm_call0(rb_thread_t *th, VALUE klass, VALUE recv, VALUE id, ID oid,
+	       int argc, const VALUE *argv, NODE *body, int nosuper);
+
+int vm_get_sourceline(rb_control_frame_t *);
+
+RUBY_EXTERN VALUE sysstack_error;
+
+/* for thread */
+
+#if RUBY_VM_THREAD_MODEL == 2
+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) (ruby_current_thread = th)
+#define rb_thread_set_current(th) do { \
+    rb_thread_set_current_raw(th); \
+    th->vm->running_thread = th; \
+} while (0)
+
+#else
+#error "unsupported thread model"
+#endif
+
+void rb_thread_execute_interrupts(rb_thread_t *);
+
+#define RUBY_VM_CHECK_INTS_TH(th) do { \
+  if(th->interrupt_flag){ \
+    /* TODO: trap something event */ \
+    rb_thread_execute_interrupts(th); \
+  } \
+} while (0)
+
+#define RUBY_VM_CHECK_INTS() \
+  RUBY_VM_CHECK_INTS_TH(GET_THREAD())
+
+/* tracer */
+static void inline
+exec_event_hooks(rb_event_hook_t *hook, rb_event_flag_t flag, VALUE self, ID id, VALUE klass)
+{
+    while (hook) {
+	if (flag & hook->flag) {
+	    (*hook->func)(flag, hook->data, self, id, klass);
+	}
+	hook = hook->next;
+    }
+}
+
+#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)) { \
+	    VALUE self__ = (self), klass__ = (klass); \
+	    ID id__ = (id); \
+	    if (wait_event__ & flag) { \
+		exec_event_hooks(th->event_hooks, flag, self__, id__, klass__); \
+	    } \
+	    if (wait_event__ & RUBY_EVENT_VM) { \
+		exec_event_hooks(th->vm->event_hooks, flag, self__, id__, klass__); \
+	    } \
+	} \
+    } \
+} while (0)
+
+#endif /* RUBY_CORE_H */