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path: root/src/cmd/link/internal/arm/asm.go
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Diffstat (limited to 'src/cmd/link/internal/arm/asm.go')
-rw-r--r--src/cmd/link/internal/arm/asm.go148
1 files changed, 74 insertions, 74 deletions
diff --git a/src/cmd/link/internal/arm/asm.go b/src/cmd/link/internal/arm/asm.go
index 53811c02fd..51c2613add 100644
--- a/src/cmd/link/internal/arm/asm.go
+++ b/src/cmd/link/internal/arm/asm.go
@@ -31,7 +31,7 @@
package arm
import (
- "cmd/internal/obj"
+ "cmd/internal/objabi"
"cmd/link/internal/ld"
"fmt"
"log"
@@ -63,14 +63,14 @@ func gentext(ctxt *ld.Link) {
return
}
addmoduledata := ctxt.Syms.Lookup("runtime.addmoduledata", 0)
- if addmoduledata.Type == obj.STEXT && ld.Buildmode != ld.BuildmodePlugin {
+ if addmoduledata.Type == objabi.STEXT && ld.Buildmode != ld.BuildmodePlugin {
// we're linking a module containing the runtime -> no need for
// an init function
return
}
addmoduledata.Attr |= ld.AttrReachable
initfunc := ctxt.Syms.Lookup("go.link.addmoduledata", 0)
- initfunc.Type = obj.STEXT
+ initfunc.Type = objabi.STEXT
initfunc.Attr |= ld.AttrLocal
initfunc.Attr |= ld.AttrReachable
o := func(op uint32) {
@@ -84,7 +84,7 @@ func gentext(ctxt *ld.Link) {
rel.Off = 8
rel.Siz = 4
rel.Sym = ctxt.Syms.Lookup("runtime.addmoduledata", 0)
- rel.Type = obj.R_CALLARM
+ rel.Type = objabi.R_CALLARM
rel.Add = 0xeafffffe // vomit
o(0x00000000)
@@ -92,7 +92,7 @@ func gentext(ctxt *ld.Link) {
rel.Off = 12
rel.Siz = 4
rel.Sym = ctxt.Moduledata
- rel.Type = obj.R_PCREL
+ rel.Type = objabi.R_PCREL
rel.Add = 4
if ld.Buildmode == ld.BuildmodePlugin {
@@ -102,7 +102,7 @@ func gentext(ctxt *ld.Link) {
initarray_entry := ctxt.Syms.Lookup("go.link.addmoduledatainit", 0)
initarray_entry.Attr |= ld.AttrReachable
initarray_entry.Attr |= ld.AttrLocal
- initarray_entry.Type = obj.SINITARR
+ initarray_entry.Type = objabi.SINITARR
ld.Addaddr(ctxt, initarray_entry, initfunc)
}
@@ -124,9 +124,9 @@ func adddynrel(ctxt *ld.Link, s *ld.Symbol, r *ld.Reloc) bool {
// Handle relocations found in ELF object files.
case 256 + ld.R_ARM_PLT32:
- r.Type = obj.R_CALLARM
+ r.Type = objabi.R_CALLARM
- if targ.Type == obj.SDYNIMPORT {
+ if targ.Type == objabi.SDYNIMPORT {
addpltsym(ctxt, targ)
r.Sym = ctxt.Syms.Lookup(".plt", 0)
r.Add = int64(braddoff(int32(r.Add), targ.Plt/4))
@@ -139,44 +139,44 @@ func adddynrel(ctxt *ld.Link, s *ld.Symbol, r *ld.Reloc) bool {
return false
case 256 + ld.R_ARM_GOT32: // R_ARM_GOT_BREL
- if targ.Type != obj.SDYNIMPORT {
+ if targ.Type != objabi.SDYNIMPORT {
addgotsyminternal(ctxt, targ)
} else {
addgotsym(ctxt, targ)
}
- r.Type = obj.R_CONST // write r->add during relocsym
+ r.Type = objabi.R_CONST // write r->add during relocsym
r.Sym = nil
r.Add += int64(targ.Got)
return true
case 256 + ld.R_ARM_GOT_PREL: // GOT(nil) + A - nil
- if targ.Type != obj.SDYNIMPORT {
+ if targ.Type != objabi.SDYNIMPORT {
addgotsyminternal(ctxt, targ)
} else {
addgotsym(ctxt, targ)
}
- r.Type = obj.R_PCREL
+ r.Type = objabi.R_PCREL
r.Sym = ctxt.Syms.Lookup(".got", 0)
r.Add += int64(targ.Got) + 4
return true
case 256 + ld.R_ARM_GOTOFF: // R_ARM_GOTOFF32
- r.Type = obj.R_GOTOFF
+ r.Type = objabi.R_GOTOFF
return true
case 256 + ld.R_ARM_GOTPC: // R_ARM_BASE_PREL
- r.Type = obj.R_PCREL
+ r.Type = objabi.R_PCREL
r.Sym = ctxt.Syms.Lookup(".got", 0)
r.Add += 4
return true
case 256 + ld.R_ARM_CALL:
- r.Type = obj.R_CALLARM
- if targ.Type == obj.SDYNIMPORT {
+ r.Type = objabi.R_CALLARM
+ if targ.Type == objabi.SDYNIMPORT {
addpltsym(ctxt, targ)
r.Sym = ctxt.Syms.Lookup(".plt", 0)
r.Add = int64(braddoff(int32(r.Add), targ.Plt/4))
@@ -185,16 +185,16 @@ func adddynrel(ctxt *ld.Link, s *ld.Symbol, r *ld.Reloc) bool {
return true
case 256 + ld.R_ARM_REL32: // R_ARM_REL32
- r.Type = obj.R_PCREL
+ r.Type = objabi.R_PCREL
r.Add += 4
return true
case 256 + ld.R_ARM_ABS32:
- if targ.Type == obj.SDYNIMPORT {
+ if targ.Type == objabi.SDYNIMPORT {
ld.Errorf(s, "unexpected R_ARM_ABS32 relocation for dynamic symbol %s", targ.Name)
}
- r.Type = obj.R_ADDR
+ r.Type = objabi.R_ADDR
return true
// we can just ignore this, because we are targeting ARM V5+ anyway
@@ -209,8 +209,8 @@ func adddynrel(ctxt *ld.Link, s *ld.Symbol, r *ld.Reloc) bool {
case 256 + ld.R_ARM_PC24,
256 + ld.R_ARM_JUMP24:
- r.Type = obj.R_CALLARM
- if targ.Type == obj.SDYNIMPORT {
+ r.Type = objabi.R_CALLARM
+ if targ.Type == objabi.SDYNIMPORT {
addpltsym(ctxt, targ)
r.Sym = ctxt.Syms.Lookup(".plt", 0)
r.Add = int64(braddoff(int32(r.Add), targ.Plt/4))
@@ -220,19 +220,19 @@ func adddynrel(ctxt *ld.Link, s *ld.Symbol, r *ld.Reloc) bool {
}
// Handle references to ELF symbols from our own object files.
- if targ.Type != obj.SDYNIMPORT {
+ if targ.Type != objabi.SDYNIMPORT {
return true
}
switch r.Type {
- case obj.R_CALLARM:
+ case objabi.R_CALLARM:
addpltsym(ctxt, targ)
r.Sym = ctxt.Syms.Lookup(".plt", 0)
r.Add = int64(targ.Plt)
return true
- case obj.R_ADDR:
- if s.Type != obj.SDATA {
+ case objabi.R_ADDR:
+ if s.Type != objabi.SDATA {
break
}
if ld.Iself {
@@ -240,7 +240,7 @@ func adddynrel(ctxt *ld.Link, s *ld.Symbol, r *ld.Reloc) bool {
rel := ctxt.Syms.Lookup(".rel", 0)
ld.Addaddrplus(ctxt, rel, s, int64(r.Off))
ld.Adduint32(ctxt, rel, ld.ELF32_R_INFO(uint32(targ.Dynid), ld.R_ARM_GLOB_DAT)) // we need a nil + A dynamic reloc
- r.Type = obj.R_CONST // write r->add during relocsym
+ r.Type = objabi.R_CONST // write r->add during relocsym
r.Sym = nil
return true
}
@@ -257,21 +257,21 @@ func elfreloc1(ctxt *ld.Link, r *ld.Reloc, sectoff int64) int {
default:
return -1
- case obj.R_ADDR:
+ case objabi.R_ADDR:
if r.Siz == 4 {
ld.Thearch.Lput(ld.R_ARM_ABS32 | uint32(elfsym)<<8)
} else {
return -1
}
- case obj.R_PCREL:
+ case objabi.R_PCREL:
if r.Siz == 4 {
ld.Thearch.Lput(ld.R_ARM_REL32 | uint32(elfsym)<<8)
} else {
return -1
}
- case obj.R_CALLARM:
+ case objabi.R_CALLARM:
if r.Siz == 4 {
if r.Add&0xff000000 == 0xeb000000 { // BL
ld.Thearch.Lput(ld.R_ARM_CALL | uint32(elfsym)<<8)
@@ -282,13 +282,13 @@ func elfreloc1(ctxt *ld.Link, r *ld.Reloc, sectoff int64) int {
return -1
}
- case obj.R_TLS_LE:
+ case objabi.R_TLS_LE:
ld.Thearch.Lput(ld.R_ARM_TLS_LE32 | uint32(elfsym)<<8)
- case obj.R_TLS_IE:
+ case objabi.R_TLS_IE:
ld.Thearch.Lput(ld.R_ARM_TLS_IE32 | uint32(elfsym)<<8)
- case obj.R_GOTPCREL:
+ case objabi.R_GOTPCREL:
if r.Siz == 4 {
ld.Thearch.Lput(ld.R_ARM_GOT_PREL | uint32(elfsym)<<8)
} else {
@@ -331,8 +331,8 @@ func machoreloc1(s *ld.Symbol, r *ld.Reloc, sectoff int64) int {
rs := r.Xsym
- if r.Type == obj.R_PCREL {
- if rs.Type == obj.SHOSTOBJ {
+ if r.Type == objabi.R_PCREL {
+ if rs.Type == objabi.SHOSTOBJ {
ld.Errorf(s, "pc-relative relocation of external symbol is not supported")
return -1
}
@@ -361,7 +361,7 @@ func machoreloc1(s *ld.Symbol, r *ld.Reloc, sectoff int64) int {
return 0
}
- if rs.Type == obj.SHOSTOBJ || r.Type == obj.R_CALLARM {
+ if rs.Type == objabi.SHOSTOBJ || r.Type == objabi.R_CALLARM {
if rs.Dynid < 0 {
ld.Errorf(s, "reloc %d to non-macho symbol %s type=%d", r.Type, rs.Name, rs.Type)
return -1
@@ -381,10 +381,10 @@ func machoreloc1(s *ld.Symbol, r *ld.Reloc, sectoff int64) int {
default:
return -1
- case obj.R_ADDR:
+ case objabi.R_ADDR:
v |= ld.MACHO_GENERIC_RELOC_VANILLA << 28
- case obj.R_CALLARM:
+ case objabi.R_CALLARM:
v |= 1 << 24 // pc-relative bit
v |= ld.MACHO_ARM_RELOC_BR24 << 28
}
@@ -430,7 +430,7 @@ func immrot(v uint32) uint32 {
// Convert the direct jump relocation r to refer to a trampoline if the target is too far
func trampoline(ctxt *ld.Link, r *ld.Reloc, s *ld.Symbol) {
switch r.Type {
- case obj.R_CALLARM:
+ case objabi.R_CALLARM:
// r.Add is the instruction
// low 24-bit encodes the target address
t := (ld.Symaddr(r.Sym) + int64(signext24(r.Add&0xffffff)*4) - (s.Value + int64(r.Off))) / 4
@@ -443,7 +443,7 @@ func trampoline(ctxt *ld.Link, r *ld.Reloc, s *ld.Symbol) {
for i := 0; ; i++ {
name := r.Sym.Name + fmt.Sprintf("%+d-tramp%d", offset, i)
tramp = ctxt.Syms.Lookup(name, int(r.Sym.Version))
- if tramp.Type == obj.SDYNIMPORT {
+ if tramp.Type == objabi.SDYNIMPORT {
// don't reuse trampoline defined in other module
continue
}
@@ -500,7 +500,7 @@ func gentramp(tramp, target *ld.Symbol, offset int64) {
if ld.Linkmode == ld.LinkExternal {
r := ld.Addrel(tramp)
r.Off = 8
- r.Type = obj.R_ADDR
+ r.Type = objabi.R_ADDR
r.Siz = 4
r.Sym = target
r.Add = offset
@@ -522,7 +522,7 @@ func gentramppic(tramp, target *ld.Symbol, offset int64) {
r := ld.Addrel(tramp)
r.Off = 12
- r.Type = obj.R_PCREL
+ r.Type = objabi.R_PCREL
r.Siz = 4
r.Sym = target
r.Add = offset + 4
@@ -557,7 +557,7 @@ func gentrampdyn(tramp, target *ld.Symbol, offset int64) {
r := ld.Addrel(tramp)
r.Off = 16
- r.Type = obj.R_GOTPCREL
+ r.Type = objabi.R_GOTPCREL
r.Siz = 4
r.Sym = target
r.Add = 8
@@ -571,7 +571,7 @@ func gentrampdyn(tramp, target *ld.Symbol, offset int64) {
func archreloc(ctxt *ld.Link, r *ld.Reloc, s *ld.Symbol, val *int64) int {
if ld.Linkmode == ld.LinkExternal {
switch r.Type {
- case obj.R_CALLARM:
+ case objabi.R_CALLARM:
r.Done = 0
// set up addend for eventual relocation via outer symbol.
@@ -584,7 +584,7 @@ func archreloc(ctxt *ld.Link, r *ld.Reloc, s *ld.Symbol, val *int64) int {
rs = rs.Outer
}
- if rs.Type != obj.SHOSTOBJ && rs.Type != obj.SDYNIMPORT && rs.Sect == nil {
+ if rs.Type != objabi.SHOSTOBJ && rs.Type != objabi.SDYNIMPORT && rs.Sect == nil {
ld.Errorf(s, "missing section for %s", rs.Name)
}
r.Xsym = rs
@@ -594,7 +594,7 @@ func archreloc(ctxt *ld.Link, r *ld.Reloc, s *ld.Symbol, val *int64) int {
// the section load address.
// we need to compensate that by removing the instruction's address
// from addend.
- if ld.Headtype == obj.Hdarwin {
+ if ld.Headtype == objabi.Hdarwin {
r.Xadd -= ld.Symaddr(s) + int64(r.Off)
}
@@ -610,34 +610,34 @@ func archreloc(ctxt *ld.Link, r *ld.Reloc, s *ld.Symbol, val *int64) int {
}
switch r.Type {
- case obj.R_CONST:
+ case objabi.R_CONST:
*val = r.Add
return 0
- case obj.R_GOTOFF:
+ case objabi.R_GOTOFF:
*val = ld.Symaddr(r.Sym) + r.Add - ld.Symaddr(ctxt.Syms.Lookup(".got", 0))
return 0
// The following three arch specific relocations are only for generation of
// Linux/ARM ELF's PLT entry (3 assembler instruction)
- case obj.R_PLT0: // add ip, pc, #0xXX00000
+ case objabi.R_PLT0: // add ip, pc, #0xXX00000
if ld.Symaddr(ctxt.Syms.Lookup(".got.plt", 0)) < ld.Symaddr(ctxt.Syms.Lookup(".plt", 0)) {
ld.Errorf(s, ".got.plt should be placed after .plt section.")
}
*val = 0xe28fc600 + (0xff & (int64(uint32(ld.Symaddr(r.Sym)-(ld.Symaddr(ctxt.Syms.Lookup(".plt", 0))+int64(r.Off))+r.Add)) >> 20))
return 0
- case obj.R_PLT1: // add ip, ip, #0xYY000
+ case objabi.R_PLT1: // add ip, ip, #0xYY000
*val = 0xe28cca00 + (0xff & (int64(uint32(ld.Symaddr(r.Sym)-(ld.Symaddr(ctxt.Syms.Lookup(".plt", 0))+int64(r.Off))+r.Add+4)) >> 12))
return 0
- case obj.R_PLT2: // ldr pc, [ip, #0xZZZ]!
+ case objabi.R_PLT2: // ldr pc, [ip, #0xZZZ]!
*val = 0xe5bcf000 + (0xfff & int64(uint32(ld.Symaddr(r.Sym)-(ld.Symaddr(ctxt.Syms.Lookup(".plt", 0))+int64(r.Off))+r.Add+8)))
return 0
- case obj.R_CALLARM: // bl XXXXXX or b YYYYYY
+ case objabi.R_CALLARM: // bl XXXXXX or b YYYYYY
// r.Add is the instruction
// low 24-bit encodes the target address
t := (ld.Symaddr(r.Sym) + int64(signext24(r.Add&0xffffff)*4) - (s.Value + int64(r.Off))) / 4
@@ -657,7 +657,7 @@ func archrelocvariant(ctxt *ld.Link, r *ld.Reloc, s *ld.Symbol, t int64) int64 {
return t
}
-func addpltreloc(ctxt *ld.Link, plt *ld.Symbol, got *ld.Symbol, sym *ld.Symbol, typ obj.RelocType) *ld.Reloc {
+func addpltreloc(ctxt *ld.Link, plt *ld.Symbol, got *ld.Symbol, sym *ld.Symbol, typ objabi.RelocType) *ld.Reloc {
r := ld.Addrel(plt)
r.Sym = got
r.Off = int32(plt.Size)
@@ -698,9 +698,9 @@ func addpltsym(ctxt *ld.Link, s *ld.Symbol) {
// .plt entry, this depends on the .got entry
s.Plt = int32(plt.Size)
- addpltreloc(ctxt, plt, got, s, obj.R_PLT0) // add lr, pc, #0xXX00000
- addpltreloc(ctxt, plt, got, s, obj.R_PLT1) // add lr, lr, #0xYY000
- addpltreloc(ctxt, plt, got, s, obj.R_PLT2) // ldr pc, [lr, #0xZZZ]!
+ addpltreloc(ctxt, plt, got, s, objabi.R_PLT0) // add lr, pc, #0xXX00000
+ addpltreloc(ctxt, plt, got, s, objabi.R_PLT1) // add lr, lr, #0xYY000
+ addpltreloc(ctxt, plt, got, s, objabi.R_PLT2) // ldr pc, [lr, #0xZZZ]!
// rel
ld.Addaddrplus(ctxt, rel, got, int64(s.Got))
@@ -748,7 +748,7 @@ func addgotsym(ctxt *ld.Link, s *ld.Symbol) {
func asmb(ctxt *ld.Link) {
if ctxt.Debugvlog != 0 {
- ctxt.Logf("%5.2f asmb\n", obj.Cputime())
+ ctxt.Logf("%5.2f asmb\n", ld.Cputime())
}
if ld.Iself {
@@ -765,21 +765,21 @@ func asmb(ctxt *ld.Link) {
if ld.Segrodata.Filelen > 0 {
if ctxt.Debugvlog != 0 {
- ctxt.Logf("%5.2f rodatblk\n", obj.Cputime())
+ ctxt.Logf("%5.2f rodatblk\n", ld.Cputime())
}
ld.Cseek(int64(ld.Segrodata.Fileoff))
ld.Datblk(ctxt, int64(ld.Segrodata.Vaddr), int64(ld.Segrodata.Filelen))
}
if ld.Segrelrodata.Filelen > 0 {
if ctxt.Debugvlog != 0 {
- ctxt.Logf("%5.2f relrodatblk\n", obj.Cputime())
+ ctxt.Logf("%5.2f relrodatblk\n", ld.Cputime())
}
ld.Cseek(int64(ld.Segrelrodata.Fileoff))
ld.Datblk(ctxt, int64(ld.Segrelrodata.Vaddr), int64(ld.Segrelrodata.Filelen))
}
if ctxt.Debugvlog != 0 {
- ctxt.Logf("%5.2f datblk\n", obj.Cputime())
+ ctxt.Logf("%5.2f datblk\n", ld.Cputime())
}
ld.Cseek(int64(ld.Segdata.Fileoff))
@@ -789,7 +789,7 @@ func asmb(ctxt *ld.Link) {
ld.Dwarfblk(ctxt, int64(ld.Segdwarf.Vaddr), int64(ld.Segdwarf.Filelen))
machlink := uint32(0)
- if ld.Headtype == obj.Hdarwin {
+ if ld.Headtype == objabi.Hdarwin {
machlink = uint32(ld.Domacholink(ctxt))
}
@@ -801,7 +801,7 @@ func asmb(ctxt *ld.Link) {
if !*ld.FlagS {
// TODO: rationalize
if ctxt.Debugvlog != 0 {
- ctxt.Logf("%5.2f sym\n", obj.Cputime())
+ ctxt.Logf("%5.2f sym\n", ld.Cputime())
}
switch ld.Headtype {
default:
@@ -810,10 +810,10 @@ func asmb(ctxt *ld.Link) {
symo = uint32(ld.Rnd(int64(symo), int64(*ld.FlagRound)))
}
- case obj.Hplan9:
+ case objabi.Hplan9:
symo = uint32(ld.Segdata.Fileoff + ld.Segdata.Filelen)
- case obj.Hdarwin:
+ case objabi.Hdarwin:
symo = uint32(ld.Segdwarf.Fileoff + uint64(ld.Rnd(int64(ld.Segdwarf.Filelen), int64(*ld.FlagRound))) + uint64(machlink))
}
@@ -822,7 +822,7 @@ func asmb(ctxt *ld.Link) {
default:
if ld.Iself {
if ctxt.Debugvlog != 0 {
- ctxt.Logf("%5.2f elfsym\n", obj.Cputime())
+ ctxt.Logf("%5.2f elfsym\n", ld.Cputime())
}
ld.Asmelfsym(ctxt)
ld.Cflush()
@@ -833,7 +833,7 @@ func asmb(ctxt *ld.Link) {
}
}
- case obj.Hplan9:
+ case objabi.Hplan9:
ld.Asmplan9sym(ctxt)
ld.Cflush()
@@ -847,7 +847,7 @@ func asmb(ctxt *ld.Link) {
ld.Cflush()
}
- case obj.Hdarwin:
+ case objabi.Hdarwin:
if ld.Linkmode == ld.LinkExternal {
ld.Machoemitreloc(ctxt)
}
@@ -855,12 +855,12 @@ func asmb(ctxt *ld.Link) {
}
if ctxt.Debugvlog != 0 {
- ctxt.Logf("%5.2f header\n", obj.Cputime())
+ ctxt.Logf("%5.2f header\n", ld.Cputime())
}
ld.Cseek(0)
switch ld.Headtype {
default:
- case obj.Hplan9: /* plan 9 */
+ case objabi.Hplan9: /* plan 9 */
ld.Lputb(0x647) /* magic */
ld.Lputb(uint32(ld.Segtext.Filelen)) /* sizes */
ld.Lputb(uint32(ld.Segdata.Filelen))
@@ -870,14 +870,14 @@ func asmb(ctxt *ld.Link) {
ld.Lputb(0)
ld.Lputb(uint32(ld.Lcsize))
- case obj.Hlinux,
- obj.Hfreebsd,
- obj.Hnetbsd,
- obj.Hopenbsd,
- obj.Hnacl:
+ case objabi.Hlinux,
+ objabi.Hfreebsd,
+ objabi.Hnetbsd,
+ objabi.Hopenbsd,
+ objabi.Hnacl:
ld.Asmbelf(ctxt, int64(symo))
- case obj.Hdarwin:
+ case objabi.Hdarwin:
ld.Asmbmacho(ctxt)
}
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