qbit/go
1
0
Fork 0
mirror of https://github.com/golang/go synced 2024-09-29 21:34:28 -06:00
Code Releases Activity

[dev.link] cmd/link: add loader.Sym equivalents to ArchSyms

Browse Source 
Populate ArchSyms with loader.Sym versions of important symbols,
so as to be able to convert the code that uses ArchSyms to the
new loader interfaces.

Change-Id: If6766f7164642a9dc2e31fcf7f9280a6e95e5d23
Reviewed-on: https://go-review.googlesource.com/c/go/+/224383
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Jeremy Faller <jeremy@golang.org>
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Than McIntosh 2020-03-18 13:26:38 -04:00
parent e14efb6865
commit dd66786029
1 changed files with 32 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
src/cmd/link/internal/ld/lib.go
View File

@ -123,27 +123,51 @@ type ArchSyms struct {
// Darwin symbols
LinkEditGOT *sym.Symbol
LinkEditPLT *sym.Symbol
// ----- loader.Sym equivalents -----
TOC2 loader.Sym
DotTOC2 []loader.Sym // for each version
GOT2 loader.Sym
PLT2 loader.Sym
GOTPLT2 loader.Sym
Tlsg2 loader.Sym
Dynamic2 loader.Sym
DynSym2 loader.Sym
DynStr2 loader.Sym
}
// setArchSyms sets up the ArchSyms structure, and must be called before
// relocations are applied.
func (ctxt *Link) setArchSyms() {
ctxt.GOT = ctxt.Syms.Lookup(".got", 0)
ctxt.PLT = ctxt.Syms.Lookup(".plt", 0)
ctxt.GOTPLT = ctxt.Syms.Lookup(".got.plt", 0)
ctxt.GOT2 = ctxt.loader.LookupOrCreateSym(".got", 0)
ctxt.GOT = ctxt.loader.Syms[ctxt.GOT2]
ctxt.PLT2 = ctxt.loader.LookupOrCreateSym(".plt", 0)
ctxt.PLT = ctxt.loader.Syms[ctxt.PLT2]
ctxt.GOTPLT2 = ctxt.loader.LookupOrCreateSym(".got.plt", 0)
ctxt.GOTPLT = ctxt.loader.Syms[ctxt.GOTPLT2]
ctxt.Dynamic = ctxt.Syms.Lookup(".dynamic", 0)
ctxt.DynSym = ctxt.Syms.Lookup(".dynsym", 0)
ctxt.DynStr = ctxt.Syms.Lookup(".dynstr", 0)
ctxt.Dynamic2 = ctxt.loader.LookupOrCreateSym(".dynamic", 0)
ctxt.Dynamic = ctxt.loader.Syms[ctxt.Dynamic2]
ctxt.DynSym2 = ctxt.loader.LookupOrCreateSym(".dynsym", 0)
ctxt.DynSym = ctxt.loader.Syms[ctxt.DynSym2]
ctxt.DynStr2 = ctxt.loader.LookupOrCreateSym(".dynstr", 0)
ctxt.DynStr = ctxt.loader.Syms[ctxt.DynStr2]
if ctxt.IsAIX() {
ctxt.TOC = ctxt.Syms.Lookup("TOC", 0)
ctxt.TOC2 = ctxt.loader.LookupOrCreateSym("TOC", 0)
ctxt.TOC = ctxt.loader.Syms[ctxt.TOC2]
ctxt.DotTOC = make([]*sym.Symbol, ctxt.Syms.MaxVersion()+1)
ctxt.DotTOC2 = make([]loader.Sym, ctxt.Syms.MaxVersion()+1)
for i := 0; i <= ctxt.Syms.MaxVersion(); i++ {
if i >= 2 && i < sym.SymVerStatic { // these versions are not used currently
continue
}
ctxt.DotTOC[i] = ctxt.Syms.Lookup(".TOC.", i)
ctxt.DotTOC2[i] = ctxt.loader.LookupOrCreateSym(".TOC.", i)
ctxt.DotTOC[i] = ctxt.loader.Syms[ctxt.DotTOC2[i]]
}
}
if ctxt.IsElf() {