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[dev.link] cmd/link: delete some deadcode

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Change-Id: Ic4ca89ced19bf91e3d3ee10b7522d7ebe6b7c7fb
Reviewed-on: https://go-review.googlesource.com/c/go/+/234116
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Jeremy Faller <jeremy@golang.org>
This commit is contained in:
Cherry Zhang 2020-05-14 20:20:20 -04:00
parent b97212d1f1
commit 7f872be02f
3 changed files with 1 additions and 27 deletions
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21
src/cmd/link/internal/ld/dwarf.go
View File

@ -349,9 +349,6 @@ func findchild(die *dwarf.DWDie, name string) *dwarf.DWDie {
return nil return nil
} }
// Used to avoid string allocation when looking up dwarf symbols
var prefixBuf = []byte(dwarf.InfoPrefix)
// find looks up the loader symbol for the DWARF DIE generated for the // find looks up the loader symbol for the DWARF DIE generated for the
// type with the specified name. // type with the specified name.
func (d *dwctxt2) find(name string) loader.Sym { func (d *dwctxt2) find(name string) loader.Sym {
@ -1157,10 +1154,6 @@ func expandFile(fname string) string {
return expandGoroot(fname) return expandGoroot(fname)
} }
func expandFileSym(l *loader.Loader, fsym loader.Sym) string {
return expandFile(l.SymName(fsym))
}
func (d *dwctxt2) writelines(unit *sym.CompilationUnit, ls loader.Sym) { func (d *dwctxt2) writelines(unit *sym.CompilationUnit, ls loader.Sym) {
is_stmt := uint8(1) // initially = recommended default_is_stmt = 1, tracks is_stmt toggles. is_stmt := uint8(1) // initially = recommended default_is_stmt = 1, tracks is_stmt toggles.
@ -2105,20 +2098,6 @@ func (d *dwctxt2) collectlocs(units []*sym.CompilationUnit) dwarfSecInfo {
return dwarfSecInfo{syms: append([]loader.Sym{locsym}, syms...)} return dwarfSecInfo{syms: append([]loader.Sym{locsym}, syms...)}
} }
/*
* Elf.
*/
func (d *dwctxt2) dwarfaddshstrings(ctxt *Link, shstrtab loader.Sym) {
panic("not yet implemented")
}
// dwarfcompress compresses the DWARF sections. Relocations are applied
// on the fly. After this, dwarfp will contain a different (new) set of
// symbols, and sections may have been replaced.
func (d *dwctxt2) dwarfcompress(ctxt *Link) {
panic("not yet implemented")
}
// getPkgFromCUSym returns the package name for the compilation unit // getPkgFromCUSym returns the package name for the compilation unit
// represented by s. // represented by s.
// The prefix dwarf.InfoPrefix+".pkg." needs to be removed in order to get // The prefix dwarf.InfoPrefix+".pkg." needs to be removed in order to get

6
src/cmd/link/internal/ld/lib.go
View File

@ -121,9 +121,6 @@ type ArchSyms struct {
DynStr2 loader.Sym DynStr2 loader.Sym
} }
const BeforeLoadlibFull = 1
const AfterLoadlibFull = 2
// mkArchSym is a helper for setArchSyms, to set up a special symbol. // mkArchSym is a helper for setArchSyms, to set up a special symbol.
func (ctxt *Link) mkArchSym(name string, ver int, ls *loader.Sym) { func (ctxt *Link) mkArchSym(name string, ver int, ls *loader.Sym) {
*ls = ctxt.loader.LookupOrCreateSym(name, ver) *ls = ctxt.loader.LookupOrCreateSym(name, ver)
@ -136,8 +133,7 @@ func (ctxt *Link) mkArchSymVec(name string, ver int, ls []loader.Sym) {
} }
// setArchSyms sets up the ArchSyms structure, and must be called before // setArchSyms sets up the ArchSyms structure, and must be called before
// relocations are applied. This function is invoked twice, once prior // relocations are applied.
// to loadlibfull(), and once after the work of loadlibfull is complete.
func (ctxt *Link) setArchSyms() { func (ctxt *Link) setArchSyms() {
ctxt.mkArchSym(".got", 0, &ctxt.GOT2) ctxt.mkArchSym(".got", 0, &ctxt.GOT2)
ctxt.mkArchSym(".plt", 0, &ctxt.PLT2) ctxt.mkArchSym(".plt", 0, &ctxt.PLT2)

1
src/cmd/link/internal/ld/link.go
View File

@ -93,7 +93,6 @@ type Link struct {
// Elf symtab variables. // Elf symtab variables.
numelfsym int // starts at 0, 1 is reserved numelfsym int // starts at 0, 1 is reserved
elfbind int
} }
type cgodata struct { type cgodata struct {