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ruby/yarvcore.h

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C
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/**********************************************************************
yarvcore.h -
$Author$
$Date$
created at: 04/01/01 19:41:38 JST
Copyright (C) 2004-2006 Koichi Sasada
**********************************************************************/
#ifndef _YARVCORE_H_INCLUDED_
#define _YARVCORE_H_INCLUDED_
#define YARV_THREAD_MODEL 2
#include <setjmp.h>
#if 0 && defined(HAVE_GETCONTEXT) && defined(HAVE_SETCONTEXT)
#include <ucontext.h>
#define USE_CONTEXT
#endif
#include "ruby.h"
#include "st.h"
#include "debug.h"
#include "vm_opts.h"
#if defined(_WIN32) || defined(__CYGWIN__)
#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 */
#define YARV_AOT_COMPILED 1
#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 YARVDEBUG 0
#define CPDEBUG 0
#define VMDEBUG 0
#define GCDEBUG 0
/* classes and modules */
extern VALUE mYarvCore;
extern VALUE cYarvISeq;
extern VALUE cYarvVM;
extern VALUE cYarvThread;
extern VALUE mYarvInsns;
extern VALUE cYarvEnv;
extern VALUE cYarvProc;
extern VALUE cYarvBinding;
extern VALUE symIFUNC;
extern VALUE symCFUNC;
/* special id */
extern ID idPLUS;
extern ID idMINUS;
extern ID idMULT;
extern ID idDIV;
extern ID idMOD;
extern ID idLT;
extern ID idLTLT;
extern ID idLE;
extern ID idEq;
extern ID idEqq;
extern ID idBackquote;
extern ID idEqTilde;
extern ID idThrowState;
extern ID idAREF;
extern ID idASET;
extern ID idIntern;
extern ID idMethodMissing;
extern ID idLength;
extern ID idGets;
extern ID idSucc;
extern ID idEach;
extern ID idLambda;
extern ID idRangeEachLT;
extern ID idRangeEachLE;
extern ID idArrayEach;
extern ID idTimes;
extern ID idEnd;
extern ID idBitblt;
extern ID idAnswer;
extern ID idSvarPlaceholder;
extern unsigned long yarvGlobalStateVersion;
struct insn_info_struct {
unsigned short position;
unsigned short line_no;
};
#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 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 yarv_compile_option_struct {
int inline_const_cache;
int peephole_optimization;
int specialized_instruction;
int operands_unification;
int instructions_unification;
int stack_caching;
} yarv_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;
const yarv_compile_option_t *option;
};
#define GetISeqPtr(obj, ptr) Data_Get_Struct(obj, yarv_iseq_t, ptr)
typedef struct yarv_iseq_profile_struct {
VALUE count;
VALUE time_self;
VALUE time_cumu; /* cumulative */
} yarv_iseq_profile_t;
struct yarv_iseq_struct;
struct yarv_iseq_struct {
/* instruction sequence type */
VALUE type;
VALUE self;
VALUE name; /* String: iseq name */
VALUE *iseq; /* iseq */
VALUE *iseq_encoded;
VALUE iseq_mark_ary; /* Array: includes operands which should be GC marked */
/* sequence size */
unsigned long size;
/* insn info, must be freed */
struct insn_info_struct *insn_info_tbl;
/* insn info size, this value shows also instruction count */
unsigned int insn_info_size;
/* file information where this sequence from */
VALUE file_name;
ID *local_tbl; /* must free */
int local_size;
/* jit compiled or not */
void *jit_compiled;
void *iseq_orig;
/**
* argument information
*
* def m(a1, a2, ..., aM, b1=(...), b2=(...), ..., bN=(...), *c, &d)
* =>
*
* argc = M
* arg_rest = M+N + 1 // if no rest arguments, rest is 0
* arg_opts = N
* arg_opts_tbl = [ (N entries) ]
* arg_block = M+N + 1 (rest) + 1 (block)
* check:
* M <= num
*/
int argc;
int arg_simple;
int arg_rest;
int arg_block;
int arg_opts;
VALUE *arg_opt_tbl;
/* for stack overflow check */
int stack_max;
/* klass/module nest information stack (cref) */
NODE *cref_stack;
VALUE klass;
/* catch table */
struct catch_table_entry *catch_table;
int catch_table_size;
/* for child iseq */
struct yarv_iseq_struct *parent_iseq;
struct yarv_iseq_struct *local_iseq;
/* block inlining */
NODE *node;
void *special_block_builder;
void *cached_special_block_builder;
VALUE cached_special_block;
/* misc */
ID defined_method_id; /* for define_method */
yarv_iseq_profile_t profile;
struct iseq_compile_data *compile_data;
};
typedef struct yarv_iseq_struct yarv_iseq_t;
#define GetVMPtr(obj, ptr) \
Data_Get_Struct(obj, yarv_vm_t, ptr)
struct yarv_thread_struct;
typedef struct yarv_vm_struct {
VALUE self;
yarv_thread_lock_t global_interpreter_lock;
struct yarv_thread_struct *main_thread;
struct yarv_thread_struct *running_thread;
st_table *living_threads;
VALUE thgroup_default;
int thread_abort_on_exception;
int exit_code;
unsigned long trace_flag;
/* object management */
VALUE mark_object_ary;
int signal_buff[RUBY_NSIG];
int bufferd_signal_size;
} yarv_vm_t;
typedef struct {
VALUE *pc; // cfp[0]
VALUE *sp; // cfp[1]
VALUE *bp; // cfp[2]
yarv_iseq_t *iseq; // cfp[3]
VALUE magic; // cfp[4]
VALUE self; // cfp[5] // block[0]
VALUE *lfp; // cfp[6] // block[1]
VALUE *dfp; // cfp[7] // block[2]
yarv_iseq_t *block_iseq; // cfp[8] // block[3]
VALUE proc; // cfp[9] // block[4]
ID callee_id; // cfp[10]
ID method_id; // cfp[11] saved in special case
VALUE method_klass; // cfp[12] saved in special case
VALUE prof_time_self; // cfp[13]
VALUE prof_time_chld; // cfp[14]
VALUE dummy; // cfp[15]
} yarv_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 */
yarv_iseq_t *iseq;
VALUE proc;
} yarv_block_t;
#define GetThreadPtr(obj, ptr) \
Data_Get_Struct(obj, yarv_thread_t, ptr)
enum yarv_thread_status {
THREAD_TO_KILL,
THREAD_RUNNABLE,
THREAD_STOPPED,
THREAD_KILLED,
};
#ifdef USE_CONTEXT
typedef struct {
ucontext_t context;
volatile int status;
} rb_jmpbuf_t[1];
#else
typedef jmp_buf rb_jmpbuf_t;
#endif
struct yarv_tag {
rb_jmpbuf_t buf;
VALUE tag;
VALUE retval;
struct yarv_tag *prev;
};
typedef void yarv_interrupt_function_t(struct yarv_thread_struct *);
#define YARV_VALUE_CACHE_SIZE 0x1000
#define USE_VALUE_CACHE 1
typedef struct yarv_thread_struct
{
VALUE self;
yarv_vm_t *vm;
/* execution information */
VALUE *stack; /* must free, must mark */
unsigned long stack_size;
yarv_control_frame_t *cfp;
int safe_level;
int raised_flag;
/* passing state */
int state;
/* for rb_iterate */
yarv_block_t *passed_block;
/* passed via parse.y, eval.c (rb_scope_setup_local_tbl) */
ID *top_local_tbl;
/* eval env */
yarv_block_t *base_block;
VALUE *local_lfp;
VALUE local_svar;
/* thread control */
yarv_thread_id_t thread_id;
enum yarv_thread_status status;
int priority;
native_thread_data_t native_thread_data;
VALUE thgroup;
VALUE value;
VALUE errinfo;
VALUE throwed_errinfo;
int exec_signal;
int interrupt_flag;
yarv_interrupt_function_t *interrupt_function;
yarv_thread_lock_t interrupt_lock;
struct yarv_tag *tag;
int parse_in_eval;
/* storage */
st_table *local_storage;
#if USE_VALUE_CACHE
VALUE value_cache[YARV_VALUE_CACHE_SIZE + 1];
VALUE *value_cache_ptr;
#endif
struct yarv_thread_struct *join_list_next;
struct yarv_thread_struct *join_list_head;
VALUE first_proc;
VALUE first_args;
/* for GC */
VALUE *machine_stack_start;
VALUE *machine_stack_end;
jmp_buf machine_regs;
/* statistics data for profiler */
VALUE stat_insn_usage;
/* misc */
int method_missing_reason;
int abort_on_exception;
} yarv_thread_t;
/** node -> yarv instruction sequence object */
VALUE iseq_compile(VALUE self, NODE *node);
VALUE yarv_iseq_new(NODE *node, VALUE name, VALUE file,
VALUE parent, VALUE type);
VALUE yarv_iseq_new_with_bopt(NODE *node, VALUE name, VALUE file_name,
VALUE parent, VALUE type, VALUE bopt);
VALUE yarv_iseq_new_with_opt(NODE *node, VALUE name, VALUE file,
VALUE parent, VALUE type,
const yarv_compile_option_t *opt);
/** disassemble instruction sequence */
VALUE iseq_disasm(VALUE self);
VALUE iseq_disasm_insn(VALUE str, VALUE *iseqval, int pos,
yarv_iseq_t *iseq, VALUE child);
char *node_name(int node);
/* each thread has this size stack : 2MB */
#define YARV_THREAD_STACK_SIZE (128 * 1024)
/* from ruby 1.9 variable.c */
struct global_entry {
struct global_variable *var;
ID id;
};
#define GetProcPtr(obj, ptr) \
Data_Get_Struct(obj, yarv_proc_t, ptr)
typedef struct {
yarv_block_t block;
VALUE envval; /* for GC mark */
VALUE blockprocval;
int safe_level;
int is_lambda;
NODE *special_cref_stack;
} yarv_proc_t;
#define GetEnvPtr(obj, ptr) \
Data_Get_Struct(obj, yarv_env_t, ptr)
typedef struct {
VALUE *env;
int env_size;
int local_size;
VALUE prev_envval; /* for GC mark */
yarv_block_t block;
} yarv_env_t;
#define GetBindingPtr(obj, ptr) \
Data_Get_Struct(obj, yarv_binding_t, ptr)
typedef struct {
VALUE env;
NODE *cref_stack;
} yarv_binding_t;
/* used by compile time and send insn */
#define VM_CALL_ARGS_SPLAT_BIT 0x01
#define VM_CALL_ARGS_BLOCKARG_BIT 0x02
#define VM_CALL_FCALL_BIT 0x04
#define VM_CALL_VCALL_BIT 0x08
#define VM_CALL_TAILCALL_BIT 0x10
#define VM_CALL_TAILRECURSION_BIT 0x20
#define VM_CALL_SUPER_BIT 0x40
/* inline method 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;
typedef VALUE CDHASH;
#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 YARV_METHOD_NODE NODE_METHOD
#define YARV_PREVIOUS_CONTROL_FRAME(cfp) (cfp+1)
#define YARV_NEXT_CONTROL_FRAME(cfp) (cfp-1)
#define YARV_END_CONTROL_FRAME(th) \
((yarv_control_frame_t *)((th)->stack + (th)->stack_size))
#define YARV_VALID_CONTROL_FRAME_P(cfp, ecfp) \
((void *)(ecfp) > (void *)(cfp))
#define YARV_CONTROL_FRAME_STACK_OVERFLOW_P(th, cfp) \
(!YARV_VALID_CONTROL_FRAME_P((cfp), YARV_END_CONTROL_FRAME(th)))
#define YARV_IFUNC_P(ptr) (BUILTIN_TYPE(ptr) == T_NODE)
#define YARV_NORMAL_ISEQ_P(ptr) \
(ptr && !YARV_IFUNC_P(ptr))
#define YARV_CLASS_SPECIAL_P(ptr) (((VALUE)(ptr)) & 0x02)
#define YARV_BLOCK_PTR_P(ptr) (!YARV_CLASS_SPECIAL_P(ptr) && GC_GUARDED_PTR_REF(ptr))
#define GET_BLOCK_PTR_IN_CFP(cfp) ((yarv_block_t *)(&(cfp)->self))
#define GET_CFP_FROM_BLOCK_PTR(b) \
((yarv_control_frame_t *)((VALUE *)(b) - 5))
/* defined? */
#define DEFINED_IVAR INT2FIX(1)
#define DEFINED_GVAR INT2FIX(2)
#define DEFINED_CVAR INT2FIX(3)
#define DEFINED_CONST INT2FIX(4)
#define DEFINED_METHOD INT2FIX(5)
#define DEFINED_YIELD INT2FIX(6)
#define DEFINED_REF INT2FIX(7)
#define DEFINED_ZSUPER INT2FIX(8)
#define DEFINED_FUNC INT2FIX(9)
/* VM related object allocate functions */
/* TODO: should be static functions */
VALUE yarv_thread_alloc(VALUE klass);
VALUE yarv_env_alloc(VALUE klass);
VALUE yarv_proc_alloc(VALUE klass);
VALUE yarv_binding_alloc(VALUE klass);
/* for debug */
extern void vm_stack_dump_raw(yarv_thread_t *, yarv_control_frame_t *);
#define SDR() vm_stack_dump_raw(GET_THREAD(), GET_THREAD()->cfp)
#define SDR2(cfp) vm_stack_dump_raw(GET_THREAD(), (cfp))
/* for thread */
#include "yarv.h"
#define GVL_UNLOCK_BEGIN() do { \
yarv_thread_t *_th_stored = GET_THREAD(); \
yarv_save_machine_context(_th_stored); \
native_mutex_unlock(&_th_stored->vm->global_interpreter_lock)
#define GVL_UNLOCK_END() \
native_mutex_lock(&_th_stored->vm->global_interpreter_lock); \
yarv_set_current_running_thread(_th_stored); \
} while(0)
NOINLINE(void yarv_set_stack_end(VALUE **stack_end_p));
NOINLINE(void yarv_save_machine_context(yarv_thread_t *));
extern int rb_thread_pending;
void yarv_thread_execute_interrupts(yarv_thread_t *);
#define YARV_CHECK_INTS_TH(th) do { \
if(th->interrupt_flag){ \
/* TODO: trap something event */ \
yarv_thread_execute_interrupts(th); \
} \
} while (0)
#define YARV_CHECK_INTS() \
YARV_CHECK_INTS_TH(GET_THREAD())
#endif // _YARVCORE_H_INCLUDED_
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