当前位置: 首页>>代码示例>>Golang>>正文


Golang Link.Plan9privates方法代码示例

本文整理汇总了Golang中github.com/TheJumpCloud/rsc/c2go/liblink.Link.Plan9privates方法的典型用法代码示例。如果您正苦于以下问题:Golang Link.Plan9privates方法的具体用法?Golang Link.Plan9privates怎么用?Golang Link.Plan9privates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github.com/TheJumpCloud/rsc/c2go/liblink.Link的用法示例。


在下文中一共展示了Link.Plan9privates方法的1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: addstacksplit

func addstacksplit(ctxt *liblink.Link, cursym *liblink.LSym) {
	var p *liblink.Prog
	var q *liblink.Prog
	var autoffset int64
	var deltasp int64
	var a int
	if ctxt.Symmorestack[0] == nil {
		ctxt.Symmorestack[0] = liblink.Linklookup(ctxt, "runtime.morestack", 0)
		ctxt.Symmorestack[1] = liblink.Linklookup(ctxt, "runtime.morestack_noctxt", 0)
	}
	if ctxt.Headtype == liblink.Hplan9 && ctxt.Plan9privates == nil {
		ctxt.Plan9privates = liblink.Linklookup(ctxt, "_privates", 0)
	}
	ctxt.Cursym = cursym
	if cursym.Text == nil || cursym.Text.Link == nil {
		return
	}
	p = cursym.Text
	autoffset = p.To.Offset
	if autoffset < 0 {
		autoffset = 0
	}
	cursym.Locals = autoffset
	cursym.Args = p.To.Offset2
	q = nil
	if p.From.Scale&liblink.NOSPLIT == 0 || (p.From.Scale&liblink.WRAPPER != 0) {
		p = liblink.Appendp(ctxt, p)
		p = load_g_cx(ctxt, p) // load g into CX
	}
	if cursym.Text.From.Scale&liblink.NOSPLIT == 0 {
		p = stacksplit(ctxt, p, autoffset, bool2int(cursym.Text.From.Scale&liblink.NEEDCTXT == 0), &q) // emit split check
	}
	if autoffset != 0 {
		p = liblink.Appendp(ctxt, p)
		p.As = AADJSP
		p.From.Typ = D_CONST
		p.From.Offset = autoffset
		p.Spadj = autoffset
	} else {
		// zero-byte stack adjustment.
		// Insert a fake non-zero adjustment so that stkcheck can
		// recognize the end of the stack-splitting prolog.
		p = liblink.Appendp(ctxt, p)
		p.As = ANOP
		p.Spadj = -ctxt.Arch.Ptrsize
		p = liblink.Appendp(ctxt, p)
		p.As = ANOP
		p.Spadj = ctxt.Arch.Ptrsize
	}
	if q != nil {
		q.Pcond = p
	}
	deltasp = autoffset
	if cursym.Text.From.Scale&liblink.WRAPPER != 0 {
		// g->panicwrap += autoffset + ctxt->arch->ptrsize;
		p = liblink.Appendp(ctxt, p)
		p.As = AADDL
		p.From.Typ = D_CONST
		p.From.Offset = autoffset + ctxt.Arch.Ptrsize
		p.To.Typ = D_INDIR + D_CX
		p.To.Offset = 2 * ctxt.Arch.Ptrsize
	}
	if ctxt.Debugzerostack != 0 && autoffset != 0 && cursym.Text.From.Scale&liblink.NOSPLIT == 0 {
		// 8l -Z means zero the stack frame on entry.
		// This slows down function calls but can help avoid
		// false positives in garbage collection.
		p = liblink.Appendp(ctxt, p)
		p.As = AMOVL
		p.From.Typ = D_SP
		p.To.Typ = D_DI
		p = liblink.Appendp(ctxt, p)
		p.As = AMOVL
		p.From.Typ = D_CONST
		p.From.Offset = autoffset / 4
		p.To.Typ = D_CX
		p = liblink.Appendp(ctxt, p)
		p.As = AMOVL
		p.From.Typ = D_CONST
		p.From.Offset = 0
		p.To.Typ = D_AX
		p = liblink.Appendp(ctxt, p)
		p.As = AREP
		p = liblink.Appendp(ctxt, p)
		p.As = ASTOSL
	}
	for ; p != nil; p = p.Link {
		a = p.From.Typ
		if a == D_AUTO {
			p.From.Offset += deltasp
		}
		if a == D_PARAM {
			p.From.Offset += deltasp + 4
		}
		a = p.To.Typ
		if a == D_AUTO {
			p.To.Offset += deltasp
		}
		if a == D_PARAM {
			p.To.Offset += deltasp + 4
		}
//.........这里部分代码省略.........
开发者ID:TheJumpCloud,项目名称:rsc,代码行数:101,代码来源:obj8.go


注:本文中的github.com/TheJumpCloud/rsc/c2go/liblink.Link.Plan9privates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。