// 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$$\n\n", pragcgobuf)
}
fmt.Fprintf(bout, "\n!\n")
externs := len(externdcl)
dumpglobls()
dumptypestructs()
// Dump extra globals.
tmp := externdcl
if externdcl != nil {
externdcl = externdcl[externs:]
}
dumpglobls()
externdcl = tmp
dumpdata()
obj.Writeobjdirect(Ctxt, bout)
if writearchive != 0 {
bout.Flush()
size := obj.Boffset(bout) - startobj
if size&1 != 0 {
obj.Bputc(bout, 0)
}
obj.Bseek(bout, startobj-ArhdrSize, 0)
formathdr(arhdr[:], "_go_.o", size)
bout.Write(arhdr[:])
}
obj.Bterm(bout)
}
func Bputname(b *obj.Biobuf, s *obj.LSym) {
obj.Bwritestring(b, s.Name)
obj.Bputc(b, 0)
}
func dumpobj() {
var err error
bout, err = obj.Bopenw(outfile)
if err != nil {
Flusherrors()
fmt.Printf("can't create %s: %v\n", outfile, err)
errorexit()
}
startobj := int64(0)
var arhdr [ArhdrSize]byte
if writearchive != 0 {
obj.Bwritestring(bout, "!<arch>\n")
arhdr = [ArhdrSize]byte{}
obj.Bwrite(bout, arhdr[:])
startobj = obj.Boffset(bout)
}
fmt.Fprintf(bout, "go object %s %s %s %s\n", obj.Getgoos(), obj.Getgoarch(), obj.Getgoversion(), obj.Expstring())
dumpexport()
if writearchive != 0 {
obj.Bflush(bout)
size := obj.Boffset(bout) - startobj
if size&1 != 0 {
obj.Bputc(bout, 0)
}
obj.Bseek(bout, startobj-ArhdrSize, 0)
formathdr(arhdr[:], "__.PKGDEF", size)
obj.Bwrite(bout, arhdr[:])
obj.Bflush(bout)
obj.Bseek(bout, startobj+size+(size&1), 0)
arhdr = [ArhdrSize]byte{}
obj.Bwrite(bout, arhdr[:])
startobj = obj.Boffset(bout)
fmt.Fprintf(bout, "go object %s %s %s %s\n", obj.Getgoos(), obj.Getgoarch(), obj.Getgoversion(), obj.Expstring())
}
if pragcgobuf != "" {
if writearchive != 0 {
// write empty export section; must be before cgo section
fmt.Fprintf(bout, "\n$$\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)
}
func (p *exporter) byte(b byte) {
obj.Bputc(p.out, b)
p.written++
}