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Golang Prog.Lineno方法代码示例

本文整理汇总了Golang中rsc/io/tmp/slowgc/liblink.Prog.Lineno方法的典型用法代码示例。如果您正苦于以下问题：Golang Prog.Lineno方法的具体用法？Golang Prog.Lineno怎么用？Golang Prog.Lineno使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类rsc/io/tmp/slowgc/liblink.Prog的用法示例。


在下文中一共展示了Prog.Lineno方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: readprog

func readprog(b *bufio.Reader, p *liblink.Prog) {
	if !undef[p] {
		panic("double-def")
	}
	delete(undef, p)
	p.Pc = rdint(b)
	p.Lineno = int32(rdint(b))
	p.Link = rdprog(b)
	p.As = int16(rdint(b))
	p.Reg = uint8(rdint(b))
	p.Scond = uint8(rdint(b))
	p.Width = int8(rdint(b))
	readaddr(b, &p.From)
	readaddr(b, &p.To)
}
开发者ID:rsc，项目名称:tmp，代码行数:15，代码来源:main.go

示例2: addstacksplit


//.........这里部分代码省略.........
				p.To.Sym = nil
				p = q2
			}

		case AADD:
			if p.From.Type_ == D_CONST && p.From.Reg == NREG && p.To.Type_ == D_REG && p.To.Reg == REGSP {
				p.Spadj = int32(-p.From.Offset)
			}

		case ASUB:
			if p.From.Type_ == D_CONST && p.From.Reg == NREG && p.To.Type_ == D_REG && p.To.Reg == REGSP {
				p.Spadj = int32(p.From.Offset)
			}

		case ADIV,
			ADIVU,
			AMOD,
			AMODU:
			if ctxt.Debugdivmod != 0 {
				break
			}
			if p.From.Type_ != D_REG {
				break
			}
			if p.To.Type_ != D_REG {
				break
			}
			q1 = p

			/* MOV a,4(SP) */
			p = liblink.Appendp(ctxt, p)

			p.As = AMOVW
			p.Lineno = q1.Lineno
			p.From.Type_ = D_REG
			p.From.Reg = q1.From.Reg
			p.To.Type_ = D_OREG
			p.To.Reg = REGSP
			p.To.Offset = 4

			/* MOV b,REGTMP */
			p = liblink.Appendp(ctxt, p)

			p.As = AMOVW
			p.Lineno = q1.Lineno
			p.From.Type_ = D_REG
			p.From.Reg = int8(q1.Reg)
			if q1.Reg == NREG {
				p.From.Reg = q1.To.Reg
			}
			p.To.Type_ = D_REG
			p.To.Reg = REGTMP
			p.To.Offset = 0

			/* CALL appropriate */
			p = liblink.Appendp(ctxt, p)

			p.As = ABL
			p.Lineno = q1.Lineno
			p.To.Type_ = D_BRANCH
			switch o {
			case ADIV:
				p.To.Sym = ctxt.Sym_div

			case ADIVU:
				p.To.Sym = ctxt.Sym_divu
开发者ID:rsc，项目名称:tmp，代码行数:67，代码来源:obj5.go

示例3: softfloat

func softfloat(ctxt *liblink.Link, cursym *liblink.LSym) {
	var p *liblink.Prog
	var next *liblink.Prog
	var symsfloat *liblink.LSym
	var wasfloat int

	if ctxt.Goarm > 5 {
		return
	}

	symsfloat = liblink.Linklookup(ctxt, "_sfloat", 0)

	wasfloat = 0
	for p = cursym.Text; p != nil; p = p.Link {
		if p.Pcond != nil {
			p.Pcond.Mark |= LABEL
		}
	}
	for p = cursym.Text; p != nil; p = p.Link {
		switch p.As {
		case AMOVW:
			if p.To.Type_ == D_FREG || p.From.Type_ == D_FREG {
				goto soft
			}
			goto notsoft

		case AMOVWD,
			AMOVWF,
			AMOVDW,
			AMOVFW,
			AMOVFD,
			AMOVDF,
			AMOVF,
			AMOVD,
			ACMPF,
			ACMPD,
			AADDF,
			AADDD,
			ASUBF,
			ASUBD,
			AMULF,
			AMULD,
			ADIVF,
			ADIVD,
			ASQRTF,
			ASQRTD,
			AABSF,
			AABSD:
			goto soft

		default:
			goto notsoft
		}

	soft:
		if !(wasfloat != 0) || (p.Mark&LABEL != 0) {
			next = ctxt.Arch.Prg()
			*next = *p

			// BL _sfloat(SB)
			*p = zprg5

			p.Link = next
			p.As = ABL
			p.To.Type_ = D_BRANCH
			p.To.Sym = symsfloat
			p.Lineno = next.Lineno

			p = next
			wasfloat = 1
		}

		continue

	notsoft:
		wasfloat = 0
	}
}
开发者ID:rsc，项目名称:tmp，代码行数:78，代码来源:obj5.go

示例4: xfol

func xfol(ctxt *liblink.Link, p *liblink.Prog, last **liblink.Prog) {
	var q *liblink.Prog
	var r *liblink.Prog
	var a int
	var i int

loop:
	if p == nil {
		return
	}
	a = int(p.As)
	if a == AB {
		q = p.Pcond
		if q != nil && q.As != ATEXT {
			p.Mark |= FOLL
			p = q
			if !(p.Mark&FOLL != 0) {
				goto loop
			}
		}
	}

	if p.Mark&FOLL != 0 {
		i = 0
		q = p
		for ; i < 4; (func() { i++; q = q.Link })() {
			if q == *last || q == nil {
				break
			}
			a = int(q.As)
			if a == ANOP {
				i--
				continue
			}

			if a == AB || (a == ARET && q.Scond == C_SCOND_NONE) || a == ARFE || a == AUNDEF {
				goto copy
			}
			if q.Pcond == nil || (q.Pcond.Mark&FOLL != 0) {
				continue
			}
			if a != ABEQ && a != ABNE {
				continue
			}

		copy:
			for {
				r = ctxt.Arch.Prg()
				*r = *p
				if !(r.Mark&FOLL != 0) {
					fmt.Printf("can't happen 1\n")
				}
				r.Mark |= FOLL
				if p != q {
					p = p.Link
					(*last).Link = r
					*last = r
					continue
				}

				(*last).Link = r
				*last = r
				if a == AB || (a == ARET && q.Scond == C_SCOND_NONE) || a == ARFE || a == AUNDEF {
					return
				}
				r.As = ABNE
				if a == ABNE {
					r.As = ABEQ
				}
				r.Pcond = p.Link
				r.Link = p.Pcond
				if !(r.Link.Mark&FOLL != 0) {
					xfol(ctxt, r.Link, last)
				}
				if !(r.Pcond.Mark&FOLL != 0) {
					fmt.Printf("can't happen 2\n")
				}
				return
			}
		}

		a = AB
		q = ctxt.Arch.Prg()
		q.As = int16(a)
		q.Lineno = p.Lineno
		q.To.Type_ = D_BRANCH
		q.To.Offset = p.Pc
		q.Pcond = p
		p = q
	}

	p.Mark |= FOLL
	(*last).Link = p
	*last = p
	if a == AB || (a == ARET && p.Scond == C_SCOND_NONE) || a == ARFE || a == AUNDEF {
		return
	}

	if p.Pcond != nil {
		if a != ABL && a != ABX && p.Link != nil {
//.........这里部分代码省略.........
开发者ID:rsc，项目名称:tmp，代码行数:101，代码来源:obj5.go

示例5: xfol

func xfol(ctxt *liblink.Link, p *liblink.Prog, last **liblink.Prog) {
	var q *liblink.Prog
	var r *liblink.Prog
	var a int
	var b int
	var i int

loop:
	if p == nil {
		return
	}
	a = int(p.As)
	if a == ABR {
		q = p.Pcond
		if (p.Mark&NOSCHED != 0) || q != nil && (q.Mark&NOSCHED != 0) {
			p.Mark |= FOLL
			(*last).Link = p
			*last = p
			p = p.Link
			xfol(ctxt, p, last)
			p = q
			if p != nil && !(p.Mark&FOLL != 0) {
				goto loop
			}
			return
		}

		if q != nil {
			p.Mark |= FOLL
			p = q
			if !(p.Mark&FOLL != 0) {
				goto loop
			}
		}
	}

	if p.Mark&FOLL != 0 {
		i = 0
		q = p
		for ; i < 4; (func() { i++; q = q.Link })() {
			if q == *last || (q.Mark&NOSCHED != 0) {
				break
			}
			b = 0 /* set */
			a = int(q.As)
			if a == ANOP {
				i--
				continue
			}

			if a == ABR || a == ARETURN || a == ARFI || a == ARFCI || a == ARFID || a == AHRFID {
				goto copy
			}
			if !(q.Pcond != nil) || (q.Pcond.Mark&FOLL != 0) {
				continue
			}
			b = relinv(a)
			if !(b != 0) {
				continue
			}

		copy:
			for {
				r = ctxt.Arch.Prg()
				*r = *p
				if !(r.Mark&FOLL != 0) {
					fmt.Printf("cant happen 1\n")
				}
				r.Mark |= FOLL
				if p != q {
					p = p.Link
					(*last).Link = r
					*last = r
					continue
				}

				(*last).Link = r
				*last = r
				if a == ABR || a == ARETURN || a == ARFI || a == ARFCI || a == ARFID || a == AHRFID {
					return
				}
				r.As = int16(b)
				r.Pcond = p.Link
				r.Link = p.Pcond
				if !(r.Link.Mark&FOLL != 0) {
					xfol(ctxt, r.Link, last)
				}
				if !(r.Pcond.Mark&FOLL != 0) {
					fmt.Printf("cant happen 2\n")
				}
				return
			}
		}

		a = ABR
		q = ctxt.Arch.Prg()
		q.As = int16(a)
		q.Lineno = p.Lineno
		q.To.Type_ = D_BRANCH
		q.To.Offset = p.Pc
//.........这里部分代码省略.........
开发者ID:rsc，项目名称:tmp，代码行数:101，代码来源:obj9.go

示例6: addstacksplit


//.........这里部分代码省略.........
	}

	autosize = 0
	for p = cursym.Text; p != nil; p = p.Link {
		o = int(p.As)
		switch o {
		case ATEXT:
			mov = AMOVD
			aoffset = 0
			autosize = int32(textstksiz + 8)
			if (p.Mark&LEAF != 0) && autosize <= 8 {
				autosize = 0
			} else if autosize&4 != 0 {
				autosize += 4
			}
			p.To.Offset = int64(uint64(p.To.Offset)&(0xffffffff<<32) | uint64(uint32(autosize-8)))

			if !(p.Reg&liblink.NOSPLIT != 0) {
				p = stacksplit(ctxt, p, autosize, bool2int(!(cursym.Text.Reg&liblink.NEEDCTXT != 0))) // emit split check
			}

			q = p

			if autosize != 0 {
				/* use MOVDU to adjust R1 when saving R31, if autosize is small */
				if !(cursym.Text.Mark&LEAF != 0) && autosize >= -BIG && autosize <= BIG {

					mov = AMOVDU
					aoffset = int(-autosize)
				} else {

					q = liblink.Appendp(ctxt, p)
					q.As = AADD
					q.Lineno = p.Lineno
					q.From.Type_ = D_CONST
					q.From.Offset = int64(-autosize)
					q.To.Type_ = D_REG
					q.To.Reg = REGSP
					q.Spadj = +autosize
				}
			} else if !(cursym.Text.Mark&LEAF != 0) {
				if ctxt.Debugvlog != 0 {
					fmt.Fprintf(ctxt.Bso, "save suppressed in: %s\n", cursym.Name)
					liblink.Bflush(ctxt.Bso)
				}

				cursym.Text.Mark |= LEAF
			}

			if cursym.Text.Mark&LEAF != 0 {
				cursym.Leaf = 1
				break
			}

			q = liblink.Appendp(ctxt, q)
			q.As = AMOVD
			q.Lineno = p.Lineno
			q.From.Type_ = D_SPR
			q.From.Offset = D_LR
			q.To.Type_ = D_REG
			q.To.Reg = REGTMP

			q = liblink.Appendp(ctxt, q)
			q.As = int16(mov)
			q.Lineno = p.Lineno
			q.From.Type_ = D_REG
开发者ID:rsc，项目名称:tmp，代码行数:67，代码来源:obj9.go

示例7: xfol

func xfol(ctxt *liblink.Link, p *liblink.Prog, last **liblink.Prog) {
	var q *liblink.Prog
	var i int
	var a int

loop:
	if p == nil {
		return
	}
	if p.As == AJMP {
		q = p.Pcond
		if q != nil && q.As != ATEXT {
			/* mark instruction as done and continue layout at target of jump */
			p.Mark = 1

			p = q
			if p.Mark == 0 {
				goto loop
			}
		}
	}

	if p.Mark != 0 {
		/*
		 * p goes here, but already used it elsewhere.
		 * copy up to 4 instructions or else branch to other copy.
		 */
		i = 0
		q = p
		for ; i < 4; (func() { i++; q = q.Link })() {

			if q == nil {
				break
			}
			if q == *last {
				break
			}
			a = int(q.As)
			if a == ANOP {
				i--
				continue
			}

			if nofollow(a) != 0 || pushpop(a) != 0 {
				break // NOTE(rsc): arm does goto copy
			}
			if q.Pcond == nil || q.Pcond.Mark != 0 {
				continue
			}
			if a == ACALL || a == ALOOP {
				continue
			}
			for {
				if p.As == ANOP {
					p = p.Link
					continue
				}

				q = liblink.Copyp(ctxt, p)
				p = p.Link
				q.Mark = 1
				(*last).Link = q
				*last = q
				if int(q.As) != a || q.Pcond == nil || q.Pcond.Mark != 0 {
					continue
				}

				q.As = int16(relinv(int(q.As)))
				p = q.Pcond
				q.Pcond = q.Link
				q.Link = p
				xfol(ctxt, q.Link, last)
				p = q.Link
				if p.Mark != 0 {
					return
				}
				goto loop
				/* */
			}
		}
		q = ctxt.Arch.Prg()
		q.As = AJMP
		q.Lineno = p.Lineno
		q.To.Type_ = D_BRANCH
		q.To.Offset = p.Pc
		q.Pcond = p
		p = q
	}

	/* emit p */
	p.Mark = 1

	(*last).Link = p
	*last = p
	a = int(p.As)

	/* continue loop with what comes after p */
	if nofollow(a) != 0 {

		return
//.........这里部分代码省略.........
开发者ID:rsc，项目名称:tmp，代码行数:101，代码来源:obj8.go

示例8: addstacksplit


//.........这里部分代码省略.........
			if a == ACALL || a == ALOOP {
				continue
			}
			for {
				if p.As == ANOP {
					p = p.Link
					continue
				}

				q = liblink.Copyp(ctxt, p)
				p = p.Link
				q.Mark = 1
				(*last).Link = q
				*last = q
				if int(q.As) != a || q.Pcond == nil || q.Pcond.Mark != 0 {
					continue
				}

				q.As = int16(relinv(int(q.As)))
				p = q.Pcond
				q.Pcond = q.Link
				q.Link = p
				xfol(ctxt, q.Link, last)
				p = q.Link
				if p.Mark != 0 {
					return
				}
				goto loop
				/* */
			}
		}
		q = ctxt.Arch.Prg()
		q.As = AJMP
		q.Lineno = p.Lineno
		q.To.Type_ = D_BRANCH
		q.To.Offset = p.Pc
		q.Pcond = p
		p = q
	}

	/* emit p */
	p.Mark = 1

	(*last).Link = p
	*last = p
	a = int(p.As)

	/* continue loop with what comes after p */
	if nofollow(a) != 0 {

		return
	}
	if p.Pcond != nil && a != ACALL {
		/*
		 * some kind of conditional branch.
		 * recurse to follow one path.
		 * continue loop on the other.
		 */
		q = liblink.Brchain(ctxt, p.Pcond)
		if q != nil {

			p.Pcond = q
		}
		q = liblink.Brchain(ctxt, p.Link)
		if q != nil {
			p.Link = q
开发者ID:rsc，项目名称:tmp，代码行数:67，代码来源:obj6.go


注：本文中的rsc/io/tmp/slowgc/liblink.Prog.Lineno方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。