зеркало из https://github.com/github/ruby.git
168 строки
5.2 KiB
C
168 строки
5.2 KiB
C
/**********************************************************************
|
|
|
|
insnhelper.h - helper macros to implement each instructions
|
|
|
|
$Author$
|
|
$Date$
|
|
created at: 04/01/01 15:50:34 JST
|
|
|
|
Copyright (C) 2004-2006 Koichi Sasada
|
|
|
|
**********************************************************************/
|
|
|
|
#ifndef _INSNHELPER_H_INCLUDED_
|
|
#define _INSNHELPER_H_INCLUDED_
|
|
|
|
#include "ruby/ruby.h"
|
|
#include "vm.h"
|
|
|
|
|
|
/*
|
|
* deal with control frame pointer
|
|
*/
|
|
|
|
/**********************************************************/
|
|
/* deal with stack */
|
|
/**********************************************************/
|
|
|
|
#define PUSH(x) (SET_SV(x), INC_SP(1))
|
|
#define TOPN(n) (*(GET_SP()-(n)-1))
|
|
#define POPN(n) (DEC_SP(n))
|
|
#define POP() (DEC_SP(1))
|
|
#define STACK_ADDR_FROM_TOP(n) (GET_SP()-(n))
|
|
|
|
#define GET_TOS() (tos) /* dummy */
|
|
|
|
/**********************************************************/
|
|
/* deal with registers */
|
|
/**********************************************************/
|
|
|
|
#define REG_CFP (reg_cfp)
|
|
#define REG_PC (REG_CFP->pc)
|
|
#define REG_SP (REG_CFP->sp)
|
|
#define REG_LFP (REG_CFP->lfp)
|
|
#define REG_DFP (REG_CFP->dfp)
|
|
|
|
#define RESTORE_REGS() do { \
|
|
REG_CFP = th->cfp; \
|
|
} while (0)
|
|
|
|
#define REG_A reg_a
|
|
#define REG_B reg_b
|
|
|
|
#ifdef COLLECT_USAGE_ANALYSIS
|
|
#define USAGE_ANALYSIS_REGISTER_HELPER(a, b, v) \
|
|
(USAGE_ANALYSIS_REGISTER(a, b), (v))
|
|
#else
|
|
#define USAGE_ANALYSIS_REGISTER_HELPER(a, b, v) \
|
|
(v)
|
|
#endif
|
|
|
|
/* PC */
|
|
#define GET_PC() (USAGE_ANALYSIS_REGISTER_HELPER(0, 0, REG_PC))
|
|
#define SET_PC(x) (REG_PC = (USAGE_ANALYSIS_REGISTER_HELPER(0, 1, x)))
|
|
#define GET_CURRENT_INSN() (*GET_PC())
|
|
#define GET_OPERAND(n) (GET_PC()[(n)])
|
|
#define ADD_PC(n) (SET_PC(REG_PC + (n)))
|
|
|
|
#define GET_PC_COUNT() (REG_PC - GET_ISEQ()->iseq_encoded)
|
|
|
|
#define JUMP(dst) (REG_PC += (dst))
|
|
|
|
|
|
/* FP */
|
|
#define GET_CFP() (USAGE_ANALYSIS_REGISTER_HELPER(2, 0, REG_CFP))
|
|
|
|
#define GET_LFP() (USAGE_ANALYSIS_REGISTER_HELPER(3, 0, REG_LFP))
|
|
#define SET_LFP(x) (REG_LFP = (USAGE_ANALYSIS_REGISTER_HELPER(3, 1, (x))))
|
|
#define GET_DFP() (USAGE_ANALYSIS_REGISTER_HELPER(4, 0, REG_DFP))
|
|
#define SET_DFP(x) (REG_DFP = (USAGE_ANALYSIS_REGISTER_HELPER(4, 1, (x))))
|
|
|
|
#define GET_CONTINUATION_FRAME_PTR(cfp) \
|
|
((struct continuation_frame *)((cfp) + CC_DIFF_WC()))
|
|
|
|
/* SP */
|
|
#define GET_SP() (USAGE_ANALYSIS_REGISTER_HELPER(1, 0, REG_SP))
|
|
#define SET_SP(x) (REG_SP = (USAGE_ANALYSIS_REGISTER_HELPER(1, 1, (x))))
|
|
#define INC_SP(x) (REG_SP += (USAGE_ANALYSIS_REGISTER_HELPER(1, 1, (x))))
|
|
#define DEC_SP(x) (REG_SP -= (USAGE_ANALYSIS_REGISTER_HELPER(1, 1, (x))))
|
|
#define SET_SV(x) (*GET_SP() = (x))
|
|
/* set current stack value as x */
|
|
|
|
#define GET_SP_COUNT() (REG_SP - th->stack)
|
|
|
|
/* instruction sequence C struct */
|
|
#define GET_ISEQ() (GET_CFP()->iseq)
|
|
#define CLEAR_ENV(env) (GET_ENV_CTRL(env)->is_orphan = Qundef)
|
|
|
|
|
|
/**********************************************************/
|
|
/* deal with variables */
|
|
/**********************************************************/
|
|
|
|
#define GET_CURRENT_DYNAMIC(idx) (*(GET_DFP() -(idx)))
|
|
#define GET_PREV_DFP(dfp) ((VALUE *)((dfp)[0] & ~0x03))
|
|
|
|
#define GET_GLOBAL(entry) rb_gvar_get((struct global_entry*)entry)
|
|
#define SET_GLOBAL(entry, val) rb_gvar_set((struct global_entry*)entry, val)
|
|
|
|
/**********************************************************/
|
|
/* deal with values */
|
|
/**********************************************************/
|
|
|
|
#define GET_SELF() (USAGE_ANALYSIS_REGISTER_HELPER(5, 0, GET_CFP()->self))
|
|
|
|
|
|
/**********************************************************/
|
|
/* deal with control flow 2: method/iterator */
|
|
/**********************************************************/
|
|
|
|
#define COPY_CREF(c1, c2) { \
|
|
NODE *__tmp_c2 = (c2); \
|
|
c1->nd_clss = __tmp_c2->nd_clss; \
|
|
c1->nd_visi = __tmp_c2->nd_visi; \
|
|
c1->nd_next = __tmp_c2->nd_next; \
|
|
}
|
|
|
|
/* block */
|
|
#define GET_BLOCK_PTR() \
|
|
((rb_block_t *)(GC_GUARDED_PTR_REF(GET_LFP()[0])))
|
|
|
|
#define CHECK_STACK_OVERFLOW(cfp, margin) do \
|
|
if (((VALUE *)(cfp)->sp) + (margin) >= ((VALUE *)cfp)) { \
|
|
rb_exc_raise(sysstack_error); \
|
|
} \
|
|
while (0)
|
|
|
|
/**********************************************************/
|
|
/* deal with control flow 3: exception */
|
|
/**********************************************************/
|
|
|
|
|
|
/**********************************************************/
|
|
/* others */
|
|
/**********************************************************/
|
|
|
|
/* optimize insn */
|
|
#define FIXNUM_2_P(a, b) ((a) & (b) & 1)
|
|
#define BASIC_OP_UNREDEFINED_P(op) ((ruby_vm_redefined_flag & (op)) == 0)
|
|
#define HEAP_CLASS_OF(obj) RBASIC(obj)->klass
|
|
|
|
#define CALL_METHOD(num, blockptr, flag, id, mn, recv, klass) do { \
|
|
VALUE v = vm_call_method(th, GET_CFP(), num, blockptr, flag, id, mn, recv, klass); \
|
|
if (v == Qundef) { \
|
|
RESTORE_REGS(); \
|
|
NEXT_INSN(); \
|
|
} \
|
|
else { \
|
|
val = v; \
|
|
} \
|
|
} while (0)
|
|
|
|
#define CALL_SIMPLE_METHOD(num, id, recv) do { \
|
|
VALUE klass = CLASS_OF(recv); \
|
|
CALL_METHOD(num, 0, 0, id, rb_method_node(klass, id), recv, CLASS_OF(recv)); \
|
|
} while (0)
|
|
|
|
#endif /* _INSNHELPER_H_INCLUDED_ */
|