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[dev.link] cmd/link/internal/loader: add another symbolbuilder method

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Introduce SetAddrPlus method for use with SymbolBuilder.

Change-Id: Ieb2986b2fc1675b7a3a71c84b7219b3d564ac122
Reviewed-on: https://go-review.googlesource.com/c/go/+/227757
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Jeremy Faller <jeremy@golang.org>
This commit is contained in:
Than McIntosh 2020-04-08 07:35:58 -04:00
parent 30b0c819d1
commit 2599c175cb
1 changed files with 19 additions and 0 deletions
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19
src/cmd/link/internal/loader/symbolbuilder.go
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@ -315,6 +315,25 @@ func (sb *SymbolBuilder) SetUint(arch *sys.Arch, r int64, v uint64) int64 {
return sb.setUintXX(arch, r, v, int64(arch.PtrSize))
}
func (sb *SymbolBuilder) SetAddrPlus(arch *sys.Arch, off int64, tgt Sym, add int64) int64 {
if sb.Type() == 0 {
sb.SetType(sym.SDATA)
}
sb.setReachable()
if off+int64(arch.PtrSize) > sb.size {
sb.size = off + int64(arch.PtrSize)
sb.Grow(sb.size)
}
var r Reloc
r.Sym = tgt
r.Off = int32(off)
r.Size = uint8(arch.PtrSize)
r.Type = objabi.R_ADDR
r.Add = add
sb.AddReloc(r)
return off + int64(r.Size)
}
func (sb *SymbolBuilder) Addstring(str string) int64 {
sb.setReachable()
if sb.kind == 0 {