func main() {
switch build.Default.GOARCH {
case "amd64":
arch = &amd64.Linkamd64
case "amd64p32":
arch = &amd64.Linkamd64p32
case "386":
arch = &x86.Link386
case "arm":
arch = &arm.Linkarm
}
if len(os.Args) == 3 {
input()
return
}
f, err := os.Create("x.6")
if err != nil {
log.Fatal(err)
}
ctxt := liblink.Linknew(arch)
ctxt.Debugasm = 1
ctxt.Bso = liblink.Binitw(os.Stdout)
defer liblink.Bflush(ctxt.Bso)
ctxt.Diag = log.Fatalf
obuf := liblink.Binitw(f)
liblink.Bprint(obuf, "go object %s %s %s\n", liblink.Getgoos(), liblink.Getgoarch(), liblink.Getgoversion())
liblink.Bprint(obuf, "!\n")
p1 := &liblink.Prog{
Ctxt: ctxt,
As: amd64.ATEXT,
Lineno: 1,
From: liblink.Addr{
Typ: amd64.D_EXTERN,
Index: amd64.D_NONE,
Sym: liblink.Linklookup(ctxt, "main.Main", 0),
Scale: 0,
},
To: liblink.Addr{
Typ: amd64.D_CONST,
Index: amd64.D_NONE,
},
}
p2 := &liblink.Prog{
Ctxt: ctxt,
As: amd64.ARET,
From: liblink.Addr{
Typ: amd64.D_NONE,
Index: amd64.D_NONE,
},
To: liblink.Addr{
Typ: amd64.D_NONE,
Index: amd64.D_NONE,
},
}
p3 := &liblink.Prog{
Ctxt: ctxt,
As: amd64.ATEXT,
Lineno: 1,
From: liblink.Addr{
Typ: amd64.D_EXTERN,
Index: amd64.D_NONE,
Sym: liblink.Linklookup(ctxt, "main.Init", 0),
Scale: 0,
},
To: liblink.Addr{
Typ: amd64.D_CONST,
Index: amd64.D_NONE,
},
}
p4 := &liblink.Prog{
Ctxt: ctxt,
As: amd64.ARET,
From: liblink.Addr{
Typ: amd64.D_NONE,
Index: amd64.D_NONE,
},
To: liblink.Addr{
Typ: amd64.D_NONE,
Index: amd64.D_NONE,
},
}
pl := liblink.Linknewplist(ctxt)
pl.Firstpc = p1
p1.Link = p2
p2.Link = p3
p3.Link = p4
liblink.Writeobj(ctxt, obuf)
liblink.Bflush(obuf)
}
func input() {
ctxt = liblink.Linknew(arch)
//ctxt.Debugasm = 1
ctxt.Bso = liblink.Binitw(os.Stdout)
defer liblink.Bflush(ctxt.Bso)
ctxt.Diag = log.Fatalf
f, err := os.Open(os.Args[1])
if err != nil {
log.Fatal(err)
}
b := bufio.NewReader(f)
if rdstring(b) != "ctxt" {
log.Fatal("invalid input - missing ctxt")
}
name := rdstring(b)
if name != ctxt.Arch.Name {
log.Fatalf("bad arch %s - want %s", name, ctxt.Arch.Name)
}
ctxt.Goarm = int(rdint(b))
ctxt.Debugasm = int(rdint(b))
ctxt.Trimpath = rdstring(b)
ctxt.Plist = rdplist(b)
ctxt.Plast = rdplist(b)
ctxt.Hist = rdhist(b)
ctxt.Ehist = rdhist(b)
for {
i := rdint(b)
if i < 0 {
break
}
ctxt.Hash[i] = rdsym(b)
}
last := "ctxt"
Loop:
for {
s := rdstring(b)
switch s {
default:
log.Fatalf("unexpected input after %s: %v", s, last)
case "end":
break Loop
case "plist":
readplist(b, rdplist(b))
case "sym":
readsym(b, rdsym(b))
case "prog":
readprog(b, rdprog(b))
case "hist":
readhist(b, rdhist(b))
}
last = s
}
if len(undef) > 0 {
panic("missing definitions")
}
ff, err := os.Create(os.Args[2])
obuf := liblink.Binitw(ff)
liblink.Writeobj(ctxt, obuf)
liblink.Bflush(obuf)
}