// byte is the bottleneck interface to write to p.out. // byte escapes b as follows (any encoding does that // hides '$'): // // '$' => '|' 'S' // '|' => '|' '|' // // Necessary so other tools can find the end of the // export data by searching for "$$". func (p *exporter) byte(b byte) { switch b { case '$': // write '$' as '|' 'S' b = 'S' fallthrough case '|': // write '|' as '|' '|' obj.Bputc(p.out, '|') p.written++ } obj.Bputc(p.out, b) p.written++ }
func dumpobj() { var err error bout, err = obj.Bopenw(outfile) if err != nil { Flusherrors() fmt.Printf("can't create %s: %v\n", outfile, err) errorexit() } startobj := int64(0) var arhdr [ArhdrSize]byte if writearchive != 0 { obj.Bwritestring(bout, "!<arch>\n") arhdr = [ArhdrSize]byte{} bout.Write(arhdr[:]) startobj = obj.Boffset(bout) } fmt.Fprintf(bout, "go object %s %s %s %s\n", obj.Getgoos(), obj.Getgoarch(), obj.Getgoversion(), obj.Expstring()) dumpexport() if writearchive != 0 { bout.Flush() size := obj.Boffset(bout) - startobj if size&1 != 0 { obj.Bputc(bout, 0) } obj.Bseek(bout, startobj-ArhdrSize, 0) formathdr(arhdr[:], "__.PKGDEF", size) bout.Write(arhdr[:]) bout.Flush() obj.Bseek(bout, startobj+size+(size&1), 0) arhdr = [ArhdrSize]byte{} bout.Write(arhdr[:]) startobj = obj.Boffset(bout) fmt.Fprintf(bout, "go object %s %s %s %s\n", obj.Getgoos(), obj.Getgoarch(), obj.Getgoversion(), obj.Expstring()) } if pragcgobuf != "" { if writearchive != 0 { // write empty export section; must be before cgo section fmt.Fprintf(bout, "\n$$\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) }
func Bputname(b *obj.Biobuf, s *obj.LSym) { obj.Bwritestring(b, s.Name) obj.Bputc(b, 0) }