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8ee7d0767f
eval_intern.h, eval_jump.h, eval_load.c, eval_method.h, eval_safe.h, gc.c, insnhelper.h, insns.def, iseq.c, proc.c, process.c, signal.c, thread.c, thread_pthread.ci, thread_win32.ci, vm.c, vm.h, vm_dump.c, vm_evalbody.ci, vm_macro.def, yarv.h, yarvcore.h, yarvcore.c: change type and macro names: * yarv_*_t -> rb_*_t * yarv_*_struct -> rb_*_struct * yarv_tag -> rb_vm_tag * YARV_* -> RUBY_VM_* * proc.c, vm.c: move functions about env object creation from proc.c to vm.c. * proc.c, yarvcore.c: fix rb_cVM initialization place. * inits.c: change Init_ISeq() order (after Init_VM). * ruby.h, proc.c: change declaration place of rb_cEnv from proc.c to ruby.c. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11651 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
146 lines
4.6 KiB
C
146 lines
4.6 KiB
C
/**********************************************************************
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insnhelper.h - helper macros to implement each instructions
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$Author$
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$Date$
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created at: 04/01/01 15:50:34 JST
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Copyright (C) 2004-2006 Koichi Sasada
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**********************************************************************/
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#ifndef _INSNHELPER_H_INCLUDED_
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#define _INSNHELPER_H_INCLUDED_
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#include "vm.h"
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/*
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* deal with control frame pointer
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*/
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/**********************************************************/
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/* deal with stack */
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/**********************************************************/
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#define PUSH(x) (SET_SV(x), INC_SP(1))
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#define TOPN(n) (*(GET_SP()-(n)-1))
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#define POPN(n) (INC_SP(-(n)))
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#define POP() (INC_SP(-1))
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#define STACK_ADDR_FROM_TOP(n) (&GET_SP()[-(n)])
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#define GET_TOS() (tos) /* dummy */
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/**********************************************************/
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/* deal with registers */
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/**********************************************************/
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#define REG_CFP (reg_cfp)
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#define REG_PC (REG_CFP->pc)
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#define REG_SP (REG_CFP->sp)
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#define REG_LFP (REG_CFP->lfp)
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#define REG_DFP (REG_CFP->dfp)
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#define RESTORE_REGS() \
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{ \
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REG_CFP = th->cfp; \
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}
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#define REG_A reg_a
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#define REG_B reg_b
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#ifdef COLLECT_USAGE_ANALYSIS
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#define USAGE_ANALYSIS_REGISTER_HELPER(a, b, v) \
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(USAGE_ANALYSIS_REGISTER(a, b), (v))
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#else
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#define USAGE_ANALYSIS_REGISTER_HELPER(a, b, v) \
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(v)
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#endif
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/* PC */
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#define GET_PC() (USAGE_ANALYSIS_REGISTER_HELPER(0, 0, REG_PC))
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#define SET_PC(x) (REG_PC = (USAGE_ANALYSIS_REGISTER_HELPER(0, 1, x)))
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#define GET_CURRENT_INSN() (*GET_PC())
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#define GET_OPERAND(n) (GET_PC()[(n)])
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#define ADD_PC(n) (SET_PC(REG_PC + (n)))
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#define GET_PC_COUNT() (REG_PC - GET_ISEQ()->iseq_encoded)
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#define JUMP(dst) (REG_PC += (dst))
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/* FP */
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#define GET_CFP() (USAGE_ANALYSIS_REGISTER_HELPER(2, 0, REG_CFP))
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#define GET_LFP() (USAGE_ANALYSIS_REGISTER_HELPER(3, 0, REG_LFP))
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#define SET_LFP(x) (REG_LFP = (USAGE_ANALYSIS_REGISTER_HELPER(3, 1, (x))))
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#define GET_DFP() (USAGE_ANALYSIS_REGISTER_HELPER(4, 0, REG_DFP))
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#define SET_DFP(x) (REG_DFP = (USAGE_ANALYSIS_REGISTER_HELPER(4, 1, (x))))
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#define GET_CONTINUATION_FRAME_PTR(cfp) \
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((struct continuation_frame *)((cfp) + CC_DIFF_WC()))
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/* SP */
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#define GET_SP() (USAGE_ANALYSIS_REGISTER_HELPER(1, 0, REG_SP))
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#define SET_SP(x) (REG_SP = (USAGE_ANALYSIS_REGISTER_HELPER(1, 1, (x))))
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#define INC_SP(x) (REG_SP += ((VALUE)(USAGE_ANALYSIS_REGISTER_HELPER(1, 1, (VALUE)(x)))))
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#define SET_SV(x) (*GET_SP() = (x))
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/* set current stack value as x */
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#define GET_SP_COUNT() (REG_SP - th->stack)
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/* instruction sequence C struct */
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#define GET_ISEQ() (GET_CFP()->iseq)
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#define CLEAR_ENV(env) (GET_ENV_CTRL(env)->is_orphan = Qundef)
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/**********************************************************/
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/* deal with variables */
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/**********************************************************/
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#define GET_CURRENT_DYNAMIC(idx) (GET_DFP()[-idx])
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#define GET_PREV_DFP(dfp) ((VALUE *)((dfp)[0] & ~0x03))
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#define GET_GLOBAL(entry) rb_gvar_get((struct global_entry*)entry)
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#define SET_GLOBAL(entry, val) rb_gvar_set((struct global_entry*)entry, val)
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/**********************************************************/
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/* deal with values */
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/**********************************************************/
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#define GET_SELF() (USAGE_ANALYSIS_REGISTER_HELPER(5, 0, GET_CFP()->self))
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/**********************************************************/
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/* deal with control flow 2: method/iterator */
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/**********************************************************/
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#define COPY_CREF(c1, c2) { \
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NODE *__tmp_c2 = (c2); \
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c1->nd_clss = __tmp_c2->nd_clss; \
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c1->nd_visi = __tmp_c2->nd_visi; \
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c1->nd_next = __tmp_c2->nd_next; \
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}
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/* block */
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#define GET_BLOCK_PTR() \
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((rb_block_t *)(GC_GUARDED_PTR_REF(GET_LFP()[0])))
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#define CHECK_STACK_OVERFLOW(th, cfp, margin) \
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(((VALUE *)(cfp)->sp) + (margin) >= ((VALUE *)cfp))
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/**********************************************************/
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/* deal with control flow 3: exception */
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/**********************************************************/
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/**********************************************************/
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/* others */
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/**********************************************************/
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/* optimize insn */
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#define FIXNUM_2_P(a, b) ((a) & (b) & 1)
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#define BASIC_OP_UNREDEFINED_P(op) ((yarv_redefined_flag & (op)) == 0)
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#define HEAP_CLASS_OF(obj) RBASIC(obj)->klass
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#endif /* _INSNHELPER_H_INCLUDED_ */
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