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cmd/link: remove Cursym

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Change-Id: I58253a6cd2d77a9319c0783afb0d92cd5a88a7f7
Reviewed-on: https://go-review.googlesource.com/29370
Run-TryBot: David Crawshaw <crawshaw@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Michael Hudson-Doyle <michael.hudson@canonical.com>
This commit is contained in:
David Crawshaw 2016-09-17 10:01:17 -04:00
parent 5a597e2d29
commit 1d3fae461c
13 changed files with 16 additions and 40 deletions
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1
src/cmd/link/internal/amd64/asm.go
View file

@ -98,7 +98,6 @@ func gentext(ctxt *ld.Link) {
func adddynrel(ctxt *ld.Link, s *ld.Symbol, r *ld.Reloc) bool {
targ := r.Sym
ctxt.Cursym = s
switch r.Type {
default:

2
src/cmd/link/internal/arm/asm.go
View file

@ -114,7 +114,6 @@ func braddoff(a int32, b int32) int32 {
func adddynrel(ctxt *ld.Link, s *ld.Symbol, r *ld.Reloc) bool {
targ := r.Sym
ctxt.Cursym = s
switch r.Type {
default:
@ -691,7 +690,6 @@ func asmb(ctxt *ld.Link) {
}
}
ctxt.Cursym = nil
if ctxt.Debugvlog != 0 {
ctxt.Logf("%5.2f header\n", obj.Cputime())
}

1
src/cmd/link/internal/arm64/asm.go
View file

@ -499,7 +499,6 @@ func asmb(ctxt *ld.Link) {
}
}
ctxt.Cursym = nil
if ctxt.Debugvlog != 0 {
ctxt.Logf("%5.2f header\n", obj.Cputime())
}

12
src/cmd/link/internal/ld/data.go
View file

@ -323,7 +323,6 @@ func relocsym(ctxt *Link, s *Symbol) {
var fl int32
var o int64
ctxt.Cursym = s
for ri := int32(0); ri < int32(len(s.R)); ri++ {
r = &s.R[ri]
r.Done = 1
@ -549,7 +548,7 @@ func relocsym(ctxt *Link, s *Symbol) {
// r->sym can be null when CALL $(constant) is transformed from absolute PC to relative PC call.
case obj.R_CALL, obj.R_GOTPCREL, obj.R_PCREL:
if Linkmode == LinkExternal && r.Sym != nil && r.Sym.Type != obj.SCONST && (r.Sym.Sect != ctxt.Cursym.Sect || r.Type == obj.R_GOTPCREL) {
if Linkmode == LinkExternal && r.Sym != nil && r.Sym.Type != obj.SCONST && (r.Sym.Sect != s.Sect || r.Type == obj.R_GOTPCREL) {
r.Done = 0
// set up addend for eventual relocation via outer symbol.
@ -580,7 +579,7 @@ func relocsym(ctxt *Link, s *Symbol) {
o -= int64(r.Off) // relative to section offset, not symbol
} else if SysArch.Family == sys.ARM {
// see ../arm/asm.go:/machoreloc1
o += Symaddr(rs) - int64(ctxt.Cursym.Value) - int64(r.Off)
o += Symaddr(rs) - int64(s.Value) - int64(r.Off)
} else {
o += int64(r.Siz)
}
@ -622,7 +621,6 @@ func relocsym(ctxt *Link, s *Symbol) {
}
switch siz {
default:
ctxt.Cursym = s
Errorf(s, "bad reloc size %#x for %s", uint32(siz), r.Sym.Name)
fallthrough
@ -842,7 +840,6 @@ func blk(ctxt *Link, syms []*Symbol, addr, size int64, pad []byte) {
if s.Value >= eaddr {
break
}
ctxt.Cursym = s
if s.Value < addr {
Errorf(s, "phase error: addr=%#x but sym=%#x type=%d", addr, s.Value, s.Type)
errorexit()
@ -1904,9 +1901,6 @@ func (ctxt *Link) textaddress() {
for sub := sym; sub != nil; sub = sub.Sub {
sub.Value += int64(va)
}
if sym.Size == 0 && sym.Sub != nil {
ctxt.Cursym = sym
}
if sym.Size < MINFUNC {
va += MINFUNC // spacing required for findfunctab
} else {
@ -2060,7 +2054,6 @@ func (ctxt *Link) address() {
)
for _, s := range datap {
ctxt.Cursym = s
if s.Sect != nil {
s.Value += int64(s.Sect.Vaddr)
}
@ -2070,7 +2063,6 @@ func (ctxt *Link) address() {
}
for _, sym := range dwarfp {
ctxt.Cursym = sym
if sym.Sect != nil {
sym.Value += int64(sym.Sect.Vaddr)
}

6
src/cmd/link/internal/ld/dwarf.go
View file

@ -999,8 +999,7 @@ func writelines(ctxt *Link, syms []*Symbol) ([]*Symbol, []*Symbol) {
var pcfile Pciter
var pcline Pciter
for _, ctxt.Cursym = range ctxt.Textp {
s := ctxt.Cursym
for _, s := range ctxt.Textp {
epc = s.Value + s.Size
epcs = s
@ -1152,8 +1151,7 @@ func writeframes(ctxt *Link, syms []*Symbol) []*Symbol {
var deltaBuf []byte
var pcsp Pciter
for _, ctxt.Cursym = range ctxt.Textp {
s := ctxt.Cursym
for _, s := range ctxt.Textp {
if s.FuncInfo == nil {
continue
}

2
src/cmd/link/internal/ld/elf.go
View file

@ -1759,8 +1759,6 @@ func elfrelocsect(ctxt *Link, sect *Section, syms []*Symbol) {
if sym.Value >= int64(eaddr) {
break
}
ctxt.Cursym = sym
for ri := 0; ri < len(sym.R); ri++ {
r := &sym.R[ri]
if r.Done != 0 {

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

@ -189,7 +189,6 @@ type Link struct {
Shlibs []Shlib
Tlsoffset int
Cursym *Symbol
Version int
Textp []*Symbol
Filesyms []*Symbol

24
src/cmd/link/internal/ld/pcln.go
View file

@ -243,24 +243,24 @@ func (ctxt *Link) pclntab() {
nfunc = 0
var last *Symbol
for _, ctxt.Cursym = range ctxt.Textp {
last = ctxt.Cursym
if container(ctxt.Cursym) != 0 {
for _, s := range ctxt.Textp {
last = s
if container(s) != 0 {
continue
}
pcln := ctxt.Cursym.FuncInfo
pcln := s.FuncInfo
if pcln == nil {
pcln = &pclntabZpcln
}
if pclntabFirstFunc == nil {
pclntabFirstFunc = ctxt.Cursym
pclntabFirstFunc = s
}
funcstart := int32(len(ftab.P))
funcstart += int32(-len(ftab.P)) & (int32(SysArch.PtrSize) - 1)
setaddr(ctxt, ftab, 8+int64(SysArch.PtrSize)+int64(nfunc)*2*int64(SysArch.PtrSize), ctxt.Cursym)
setaddr(ctxt, ftab, 8+int64(SysArch.PtrSize)+int64(nfunc)*2*int64(SysArch.PtrSize), s)
setuintxx(ctxt, ftab, 8+int64(SysArch.PtrSize)+int64(nfunc)*2*int64(SysArch.PtrSize)+int64(SysArch.PtrSize), uint64(funcstart), int64(SysArch.PtrSize))
// fixed size of struct, checked below
@ -273,16 +273,16 @@ func (ctxt *Link) pclntab() {
Symgrow(ctxt, ftab, int64(end))
// entry uintptr
off = int32(setaddr(ctxt, ftab, int64(off), ctxt.Cursym))
off = int32(setaddr(ctxt, ftab, int64(off), s))
// name int32
off = int32(setuint32(ctxt, ftab, int64(off), uint32(ftabaddstring(ctxt, ftab, ctxt.Cursym.Name))))
off = int32(setuint32(ctxt, ftab, int64(off), uint32(ftabaddstring(ctxt, ftab, s.Name))))
// args int32
// TODO: Move into funcinfo.
args := uint32(0)
if ctxt.Cursym.FuncInfo != nil {
args = uint32(ctxt.Cursym.FuncInfo.Args)
if s.FuncInfo != nil {
args = uint32(s.FuncInfo.Args)
}
off = int32(setuint32(ctxt, ftab, int64(off), args))
@ -300,7 +300,7 @@ func (ctxt *Link) pclntab() {
var it Pciter
for pciterinit(ctxt, &it, &pcln.Pcfile); it.done == 0; pciternext(&it) {
if it.value < 1 || it.value > int32(len(ctxt.Filesyms)) {
Errorf(ctxt.Cursym, "bad file number in pcfile: %d not in range [1, %d]\n", it.value, len(ctxt.Filesyms))
Errorf(s, "bad file number in pcfile: %d not in range [1, %d]\n", it.value, len(ctxt.Filesyms))
errorexit()
}
}
@ -339,7 +339,7 @@ func (ctxt *Link) pclntab() {
}
if off != end {
Errorf(ctxt.Cursym, "bad math in functab: funcstart=%d off=%d but end=%d (npcdata=%d nfuncdata=%d ptrsize=%d)", funcstart, off, end, len(pcln.Pcdata), len(pcln.Funcdata), SysArch.PtrSize)
Errorf(s, "bad math in functab: funcstart=%d off=%d but end=%d (npcdata=%d nfuncdata=%d ptrsize=%d)", funcstart, off, end, len(pcln.Pcdata), len(pcln.Funcdata), SysArch.PtrSize)
errorexit()
}

2
src/cmd/link/internal/ld/pe.go
View file

@ -790,8 +790,6 @@ func perelocsect(ctxt *Link, sect *Section, syms []*Symbol) int {
if sym.Value >= int64(eaddr) {
break
}
ctxt.Cursym = sym
for ri := 0; ri < len(sym.R); ri++ {
r := &sym.R[ri]
if r.Done != 0 {

1
src/cmd/link/internal/mips64/asm.go
View file

@ -278,7 +278,6 @@ func asmb(ctxt *ld.Link) {
}
}
ctxt.Cursym = nil
if ctxt.Debugvlog != 0 {
ctxt.Logf("%5.2f header\n", obj.Cputime())
}

2
src/cmd/link/internal/ppc64/asm.go
View file

@ -242,7 +242,6 @@ func gencallstub(ctxt *ld.Link, abicase int, stub *ld.Symbol, targ *ld.Symbol) {
func adddynrel(ctxt *ld.Link, s *ld.Symbol, r *ld.Reloc) bool {
targ := r.Sym
ctxt.Cursym = s
switch r.Type {
default:
@ -898,7 +897,6 @@ func asmb(ctxt *ld.Link) {
}
}
ctxt.Cursym = nil
if ctxt.Debugvlog != 0 {
ctxt.Logf("%5.2f header\n", obj.Cputime())
}

1
src/cmd/link/internal/s390x/asm.go
View file

@ -575,7 +575,6 @@ func asmb(ctxt *ld.Link) {
}
}
ctxt.Cursym = nil
if ctxt.Debugvlog != 0 {
ctxt.Logf("%5.2f header\n", obj.Cputime())
}

1
src/cmd/link/internal/x86/asm.go
View file

@ -164,7 +164,6 @@ func gentext(ctxt *ld.Link) {
func adddynrel(ctxt *ld.Link, s *ld.Symbol, r *ld.Reloc) bool {
targ := r.Sym
ctxt.Cursym = s
switch r.Type {
default: