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cmd/all: stop generating ADATA Progs

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The only remaining place that generated ADATA
Prog was the assembler. Stop, and delete some
now-dead code.

Passes toolstash -cmp.

Change-Id: I26578ff1b4868e98562b44f69d909c083e96f8d5
Reviewed-on: https://go-review.googlesource.com/20646
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Josh Bleecher Snyder 2016-03-13 14:24:22 -07:00
parent 7c18f8cdc3
commit 4f753e77f1
9 changed files with 21 additions and 81 deletions
Download patch file Download diff file Expand all files Collapse all files

59
src/cmd/internal/obj/data.go
View file

@ -110,65 +110,6 @@ func (s *LSym) WriteString(ctxt *Link, off, siz int64, str string) {
copy(s.P[off:off+siz], str)
}
func savedata(ctxt *Link, p *Prog) {
s := p.From.Sym
off := int32(p.From.Offset)
siz := int32(p.From3.Offset)
if off < 0 || siz < 0 || off >= 1<<30 || siz >= 100 {
log.Fatalf("savedata: bad off=%d siz=%d", off, siz)
}
if s.Type == SBSS || s.Type == STLSBSS {
ctxt.Diag("cannot supply data for BSS var")
}
Symgrow(ctxt, s, int64(off+siz))
switch p.To.Type {
default:
ctxt.Diag("bad data: %v", p)
case TYPE_FCONST:
switch siz {
default:
ctxt.Diag("unexpected %d-byte floating point constant", siz)
case 4:
flt := math.Float32bits(float32(p.To.Val.(float64)))
ctxt.Arch.ByteOrder.PutUint32(s.P[off:], flt)
case 8:
flt := math.Float64bits(p.To.Val.(float64))
ctxt.Arch.ByteOrder.PutUint64(s.P[off:], flt)
}
case TYPE_SCONST:
copy(s.P[off:off+siz], p.To.Val.(string))
case TYPE_CONST, TYPE_ADDR:
if p.To.Sym != nil || p.To.Type == TYPE_ADDR {
r := Addrel(s)
r.Off = off
r.Siz = uint8(siz)
r.Sym = p.To.Sym
r.Type = R_ADDR
r.Add = p.To.Offset
break
}
o := p.To.Offset
switch siz {
default:
ctxt.Diag("unexpected %d-byte integer constant", siz)
case 1:
s.P[off] = byte(o)
case 2:
ctxt.Arch.ByteOrder.PutUint16(s.P[off:], uint16(o))
case 4:
ctxt.Arch.ByteOrder.PutUint32(s.P[off:], uint32(o))
case 8:
ctxt.Arch.ByteOrder.PutUint64(s.P[off:], uint64(o))
}
}
}
func Addrel(s *LSym) *Reloc {
s.R = append(s.R, Reloc{})
return &s.R[len(s.R)-1]