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[dev.link] cmd/link: remove non-streaming external relocation code

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Now we support streaming external relocations everywhere.

Change-Id: I8d107c8239fe979bd5410e6a7f3fe471ac3e8b35
Reviewed-on: https://go-review.googlesource.com/c/go/+/244764
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Jeremy Faller <jeremy@golang.org>
This commit is contained in:
Cherry Zhang 2020-07-24 01:33:15 -04:00
parent 4c544ddaea
commit 4b3cfcee58
15 changed files with 59 additions and 236 deletions
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30
src/cmd/link/internal/loader/loader.go
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@ -238,8 +238,6 @@ type Loader struct {
align []uint8 // symbol 2^N alignment, indexed by global index
extRelocs [][]ExtReloc // symbol's external relocations
itablink map[Sym]struct{} // itablink[j] defined if j is go.itablink.*
deferReturnTramp map[Sym]bool // whether the symbol is a trampoline of a deferreturn call
@ -1241,16 +1239,6 @@ func (l *Loader) FreeData(i Sym) {
}
}
// SetExtRelocs sets the external relocations of the i-th symbol. i is global index.
func (l *Loader) SetExtRelocs(i Sym, relocs []ExtReloc) {
l.extRelocs[i] = relocs
}
// InitExtRelocs initialize the slice used to store external relocations.
func (l *Loader) InitExtRelocs() {
l.extRelocs = make([][]ExtReloc, l.NSym())
}
// SymAlign returns the alignment for a symbol.
func (l *Loader) SymAlign(i Sym) int32 {
if int(i) >= len(l.align) {
@ -1878,24 +1866,6 @@ func (l *Loader) relocs(r *oReader, li uint32) Relocs {
}
}
// ExtRelocs returns the external relocations of the i-th symbol.
func (l *Loader) ExtRelocs(i Sym) ExtRelocs {
return ExtRelocs{l.Relocs(i), l.extRelocs[i]}
}
// ExtRelocs represents the set of external relocations of a symbol.
type ExtRelocs struct {
rs Relocs
es []ExtReloc
}
func (ers ExtRelocs) Count() int { return len(ers.es) }
func (ers ExtRelocs) At(j int) ExtRelocView {
i := ers.es[j].Idx
return ExtRelocView{ers.rs.At2(i), ers.es[j]}
}
// RelocByOff implements sort.Interface for sorting relocations by offset.
type RelocByOff []Reloc