예제 #1
0
파일: bexport.go 프로젝트: jacobsa/go
func (p *exporter) string(s string) {
	if debugFormat {
		p.marker('s')
	}
	if p.trace {
		p.tracef("%q ", s)
	}
	p.rawInt64(int64(len(s)))
	w, err := obj.Bwritestring(p.out, s)
	p.written += w
	if w != len(s) || err != nil {
		Fatalf("write error: %v (wrote %d bytes of %d)", err, w, len(s))
	}
}
예제 #2
0
파일: obj.go 프로젝트: ronaldslc/go
func dumpobj() {
	var err error
	bout, err = obj.Bopenw(outfile)
	if err != nil {
		Flusherrors()
		fmt.Printf("can't create %s: %v\n", outfile, err)
		errorexit()
	}

	startobj := int64(0)
	var arhdr [ArhdrSize]byte
	if writearchive != 0 {
		obj.Bwritestring(bout, "!<arch>\n")
		arhdr = [ArhdrSize]byte{}
		bout.Write(arhdr[:])
		startobj = obj.Boffset(bout)
	}

	fmt.Fprintf(bout, "go object %s %s %s %s\n", obj.Getgoos(), obj.Getgoarch(), obj.Getgoversion(), obj.Expstring())
	dumpexport()

	if writearchive != 0 {
		bout.Flush()
		size := obj.Boffset(bout) - startobj
		if size&1 != 0 {
			obj.Bputc(bout, 0)
		}
		obj.Bseek(bout, startobj-ArhdrSize, 0)
		formathdr(arhdr[:], "__.PKGDEF", size)
		bout.Write(arhdr[:])
		bout.Flush()

		obj.Bseek(bout, startobj+size+(size&1), 0)
		arhdr = [ArhdrSize]byte{}
		bout.Write(arhdr[:])
		startobj = obj.Boffset(bout)
		fmt.Fprintf(bout, "go object %s %s %s %s\n", obj.Getgoos(), obj.Getgoarch(), obj.Getgoversion(), obj.Expstring())
	}

	if pragcgobuf != "" {
		if writearchive != 0 {
			// write empty export section; must be before cgo section
			fmt.Fprintf(bout, "\n$$\n\n$$\n\n")
		}

		fmt.Fprintf(bout, "\n$$  // cgo\n")
		fmt.Fprintf(bout, "%s\n$$\n\n", pragcgobuf)
	}

	fmt.Fprintf(bout, "\n!\n")

	externs := len(externdcl)

	dumpglobls()
	dumptypestructs()

	// Dump extra globals.
	tmp := externdcl

	if externdcl != nil {
		externdcl = externdcl[externs:]
	}
	dumpglobls()
	externdcl = tmp

	dumpdata()
	obj.Writeobjdirect(Ctxt, bout)

	if writearchive != 0 {
		bout.Flush()
		size := obj.Boffset(bout) - startobj
		if size&1 != 0 {
			obj.Bputc(bout, 0)
		}
		obj.Bseek(bout, startobj-ArhdrSize, 0)
		formathdr(arhdr[:], "_go_.o", size)
		bout.Write(arhdr[:])
	}

	obj.Bterm(bout)
}
예제 #3
0
파일: obj.go 프로젝트: ronaldslc/go
func Bputname(b *obj.Biobuf, s *obj.LSym) {
	obj.Bwritestring(b, s.Name)
	obj.Bputc(b, 0)
}
예제 #4
0
파일: obj.go 프로젝트: xslonepiece/goios
func dumpobj() {
	var err error
	bout, err = obj.Bopenw(outfile)
	if err != nil {
		Flusherrors()
		fmt.Printf("can't create %s: %v\n", outfile, err)
		errorexit()
	}

	startobj := int64(0)
	var arhdr [ArhdrSize]byte
	if writearchive != 0 {
		obj.Bwritestring(bout, "!<arch>\n")
		arhdr = [ArhdrSize]byte{}
		obj.Bwrite(bout, arhdr[:])
		startobj = obj.Boffset(bout)
	}

	fmt.Fprintf(bout, "go object %s %s %s %s\n", obj.Getgoos(), obj.Getgoarch(), obj.Getgoversion(), obj.Expstring())
	dumpexport()

	if writearchive != 0 {
		obj.Bflush(bout)
		size := obj.Boffset(bout) - startobj
		if size&1 != 0 {
			obj.Bputc(bout, 0)
		}
		obj.Bseek(bout, startobj-ArhdrSize, 0)
		formathdr(arhdr[:], "__.PKGDEF", size)
		obj.Bwrite(bout, arhdr[:])
		obj.Bflush(bout)

		obj.Bseek(bout, startobj+size+(size&1), 0)
		arhdr = [ArhdrSize]byte{}
		obj.Bwrite(bout, arhdr[:])
		startobj = obj.Boffset(bout)
		fmt.Fprintf(bout, "go object %s %s %s %s\n", obj.Getgoos(), obj.Getgoarch(), obj.Getgoversion(), obj.Expstring())
	}

	if pragcgobuf != "" {
		if writearchive != 0 {
			// write empty export section; must be before cgo section
			fmt.Fprintf(bout, "\n$$\n\n$$\n\n")
		}

		fmt.Fprintf(bout, "\n$$  // cgo\n")
		fmt.Fprintf(bout, "%s\n$$\n\n", pragcgobuf)
	}

	fmt.Fprintf(bout, "\n!\n")

	var externs *NodeList
	if externdcl != nil {
		externs = externdcl.End
	}

	dumpglobls()
	dumptypestructs()

	// Dump extra globals.
	tmp := externdcl

	if externs != nil {
		externdcl = externs.Next
	}
	dumpglobls()
	externdcl = tmp

	zero := Pkglookup("zerovalue", Runtimepkg)
	ggloblsym(zero, int32(zerosize), obj.DUPOK|obj.RODATA)

	dumpdata()
	obj.Writeobjdirect(Ctxt, bout)

	if writearchive != 0 {
		obj.Bflush(bout)
		size := obj.Boffset(bout) - startobj
		if size&1 != 0 {
			obj.Bputc(bout, 0)
		}
		obj.Bseek(bout, startobj-ArhdrSize, 0)
		name := fmt.Sprintf("_go_.%c", Thearch.Thechar)
		formathdr(arhdr[:], name, size)
		obj.Bwrite(bout, arhdr[:])
	}

	obj.Bterm(bout)
}