Only internal linking without cgo is supported for now.
Change-Id: Ie6074a8ff3ec13605b72028f2d60758034f87185
Reviewed-on: https://go-review.googlesource.com/14444
Reviewed-by: Minux Ma <minux@golang.org>
Ptrsize: 8,
Regsize: 8,
}
+
+var Linkmips64 = LinkArch{
+ ByteOrder: binary.BigEndian,
+ Name: "mips64",
+ Thechar: '0',
+ Minlc: 4,
+ Ptrsize: 8,
+ Regsize: 8,
+}
+
+var Linkmips64le = LinkArch{
+ ByteOrder: binary.LittleEndian,
+ Name: "mips64le",
+ Thechar: '0',
+ Minlc: 4,
+ Ptrsize: 8,
+ Regsize: 8,
+}
elfstrdbg[ElfStrGDBScripts] = Addstring(shstrtab, ".debug_gdb_scripts")
if Linkmode == LinkExternal {
switch Thearch.Thechar {
- case '6', '7', '9':
+ case '0', '6', '7', '9':
elfstrdbg[ElfStrRelDebugInfo] = Addstring(shstrtab, ".rela.debug_info")
elfstrdbg[ElfStrRelDebugAranges] = Addstring(shstrtab, ".rela.debug_aranges")
elfstrdbg[ElfStrRelDebugLine] = Addstring(shstrtab, ".rela.debug_line")
func dwarfaddelfrelocheader(elfstr int, shdata *ElfShdr, off int64, size int64) {
sh := newElfShdr(elfstrdbg[elfstr])
switch Thearch.Thechar {
- case '6', '7', '9':
+ case '0', '6', '7', '9':
sh.type_ = SHT_RELA
default:
sh.type_ = SHT_REL
}
fallthrough
- case '6', '7':
+ case '0', '6', '7':
+ if Thearch.Thechar == '0' {
+ ehdr.flags = 0x20000000 /* MIPS 3 */
+ }
elf64 = true
ehdr.phoff = ELF64HDRSIZE /* Must be be ELF64HDRSIZE: first PHdr must follow ELF header */
}
switch Thearch.Thechar {
- case '6', '7', '9':
+ case '0', '6', '7', '9':
sy := Linklookup(Ctxt, ".rela.plt", 0)
if sy.Size > 0 {
Elfwritedynent(s, DT_PLTREL, DT_RELA)
var prefix string
var typ int
switch Thearch.Thechar {
- case '6', '7', '9':
+ case '0', '6', '7', '9':
prefix = ".rela"
typ = SHT_RELA
default:
Debug['d'] = 1
switch Thearch.Thechar {
- case '6', '7', '9':
+ case '0', '6', '7', '9':
Addstring(shstrtab, ".rela.text")
Addstring(shstrtab, ".rela.rodata")
Addstring(shstrtab, ".rela"+relro_prefix+".typelink")
if hasinitarr {
Addstring(shstrtab, ".init_array")
switch Thearch.Thechar {
- case '6', '7', '9':
+ case '0', '6', '7', '9':
Addstring(shstrtab, ".rela.init_array")
default:
Addstring(shstrtab, ".rel.init_array")
Addstring(shstrtab, ".dynsym")
Addstring(shstrtab, ".dynstr")
switch Thearch.Thechar {
- case '6', '7', '9':
+ case '0', '6', '7', '9':
Addstring(shstrtab, ".rela")
Addstring(shstrtab, ".rela.plt")
default:
s.Type = obj.SELFROSECT
s.Reachable = true
switch Thearch.Thechar {
- case '6', '7', '9':
+ case '0', '6', '7', '9':
s.Size += ELF64SYMSIZE
default:
s.Size += ELF32SYMSIZE
/* relocation table */
switch Thearch.Thechar {
- case '6', '7', '9':
+ case '0', '6', '7', '9':
s = Linklookup(Ctxt, ".rela", 0)
default:
s = Linklookup(Ctxt, ".rel", 0)
Thearch.Elfsetupplt()
switch Thearch.Thechar {
- case '6', '7', '9':
+ case '0', '6', '7', '9':
s = Linklookup(Ctxt, ".rela.plt", 0)
default:
s = Linklookup(Ctxt, ".rel.plt", 0)
elfwritedynentsym(s, DT_SYMTAB, Linklookup(Ctxt, ".dynsym", 0))
switch Thearch.Thechar {
- case '6', '7', '9':
+ case '0', '6', '7', '9':
Elfwritedynent(s, DT_SYMENT, ELF64SYMSIZE)
default:
Elfwritedynent(s, DT_SYMENT, ELF32SYMSIZE)
elfwritedynentsym(s, DT_STRTAB, Linklookup(Ctxt, ".dynstr", 0))
elfwritedynentsymsize(s, DT_STRSZ, Linklookup(Ctxt, ".dynstr", 0))
switch Thearch.Thechar {
- case '6', '7', '9':
+ case '0', '6', '7', '9':
elfwritedynentsym(s, DT_RELA, Linklookup(Ctxt, ".rela", 0))
elfwritedynentsymsize(s, DT_RELASZ, Linklookup(Ctxt, ".rela", 0))
Elfwritedynent(s, DT_RELAENT, ELF64RELASIZE)
switch Thearch.Thechar {
default:
Exitf("unknown architecture in asmbelf: %v", Thearch.Thechar)
+ case '0':
+ eh.machine = EM_MIPS
case '5':
eh.machine = EM_ARM
case '6':
Diag("%s: elf %s unimplemented", pn, Thestring)
return
+ case '0':
+ if elfobj.machine != ElfMachMips || hdr.Ident[4] != ElfClass64 {
+ Diag("%s: elf object but not mips64", pn)
+ return
+ }
+
case '5':
if e != binary.LittleEndian || elfobj.machine != ElfMachArm || hdr.Ident[4] != ElfClass32 {
Diag("%s: elf object but not arm", pn)
r = &s.R[ri]
switch r.Type {
// Direct call.
- case obj.R_CALL, obj.R_CALLARM, obj.R_CALLARM64, obj.R_CALLPOWER:
+ case obj.R_CALL, obj.R_CALLARM, obj.R_CALLARM64, obj.R_CALLPOWER, obj.R_CALLMIPS:
ch.limit = int(int32(limit) - pcsp.value - int32(callsize()))
ch.sym = r.Sym
if stkcheck(&ch, depth+1) < 0 {
if r.Sym == nil {
continue
}
- if (r.Type == obj.R_CALL || r.Type == obj.R_CALLARM || r.Type == obj.R_CALLPOWER) && r.Sym.Type == obj.STEXT {
+ if (r.Type == obj.R_CALL || r.Type == obj.R_CALLARM || r.Type == obj.R_CALLPOWER || r.Type == obj.R_CALLMIPS) && r.Sym.Type == obj.STEXT {
fmt.Fprintf(&Bso, "%s calls %s\n", s.Name, r.Sym.Name)
}
}
func putelfsyment(off int, addr int64, size int64, info int, shndx int, other int) {
switch Thearch.Thechar {
- case '6', '7', '9':
+ case '0', '6', '7', '9':
Thearch.Lput(uint32(off))
Cput(uint8(info))
Cput(uint8(other))
--- /dev/null
+// Inferno utils/5l/asm.c
+// http://code.google.com/p/inferno-os/source/browse/utils/5l/asm.c
+//
+// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
+// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
+// Portions Copyright © 1997-1999 Vita Nuova Limited
+// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
+// Portions Copyright © 2004,2006 Bruce Ellis
+// Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
+// Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
+// Portions Copyright © 2009 The Go Authors. All rights reserved.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+package mips64
+
+import (
+ "cmd/internal/obj"
+ "cmd/link/internal/ld"
+ "encoding/binary"
+ "fmt"
+ "log"
+)
+
+func gentext() {}
+
+func adddynrela(rel *ld.LSym, s *ld.LSym, r *ld.Reloc) {
+ log.Fatalf("adddynrela not implemented")
+}
+
+func adddynrel(s *ld.LSym, r *ld.Reloc) {
+ log.Fatalf("adddynrel not implemented")
+}
+
+func elfreloc1(r *ld.Reloc, sectoff int64) int {
+ return -1
+}
+
+func elfsetupplt() {
+ return
+}
+
+func machoreloc1(r *ld.Reloc, sectoff int64) int {
+ return -1
+}
+
+func archreloc(r *ld.Reloc, s *ld.LSym, val *int64) int {
+ if ld.Linkmode == ld.LinkExternal {
+ return -1
+ }
+
+ switch r.Type {
+ case obj.R_CONST:
+ *val = r.Add
+ return 0
+
+ case obj.R_GOTOFF:
+ *val = ld.Symaddr(r.Sym) + r.Add - ld.Symaddr(ld.Linklookup(ld.Ctxt, ".got", 0))
+ return 0
+
+ case obj.R_ADDRMIPS:
+ t := ld.Symaddr(r.Sym) + r.Add
+ if t >= 1<<32 || t < -1<<32 {
+ ld.Diag("program too large, address relocation = %v", t)
+ }
+
+ // the first instruction is always at the lower address, this is endian neutral;
+ // but note that o1 and o2 should still use the target endian.
+ o1 := ld.Thelinkarch.ByteOrder.Uint32(s.P[r.Off:])
+ o2 := ld.Thelinkarch.ByteOrder.Uint32(s.P[r.Off+4:])
+ o1 = o1&0xffff0000 | uint32(t>>16)&0xffff
+ o2 = o2&0xffff0000 | uint32(t)&0xffff
+
+ // when laid out, the instruction order must always be o1, o2.
+ if ld.Ctxt.Arch.ByteOrder == binary.BigEndian {
+ *val = int64(o1)<<32 | int64(o2)
+ } else {
+ *val = int64(o2)<<32 | int64(o1)
+ }
+ return 0
+
+ case obj.R_CALLMIPS,
+ obj.R_JMPMIPS:
+ // Low 26 bits = (S + A) >> 2
+ t := ld.Symaddr(r.Sym) + r.Add
+ o1 := ld.Thelinkarch.ByteOrder.Uint32(s.P[r.Off:])
+ *val = int64(o1&0xfc000000 | uint32(t>>2)&^0xfc000000)
+ return 0
+ }
+
+ return -1
+}
+
+func archrelocvariant(r *ld.Reloc, s *ld.LSym, t int64) int64 {
+ return -1
+}
+
+func asmb() {
+ if ld.Debug['v'] != 0 {
+ fmt.Fprintf(&ld.Bso, "%5.2f asmb\n", obj.Cputime())
+ }
+ ld.Bso.Flush()
+
+ if ld.Iself {
+ ld.Asmbelfsetup()
+ }
+
+ sect := ld.Segtext.Sect
+ ld.Cseek(int64(sect.Vaddr - ld.Segtext.Vaddr + ld.Segtext.Fileoff))
+ ld.Codeblk(int64(sect.Vaddr), int64(sect.Length))
+ for sect = sect.Next; sect != nil; sect = sect.Next {
+ ld.Cseek(int64(sect.Vaddr - ld.Segtext.Vaddr + ld.Segtext.Fileoff))
+ ld.Datblk(int64(sect.Vaddr), int64(sect.Length))
+ }
+
+ if ld.Segrodata.Filelen > 0 {
+ if ld.Debug['v'] != 0 {
+ fmt.Fprintf(&ld.Bso, "%5.2f rodatblk\n", obj.Cputime())
+ }
+ ld.Bso.Flush()
+
+ ld.Cseek(int64(ld.Segrodata.Fileoff))
+ ld.Datblk(int64(ld.Segrodata.Vaddr), int64(ld.Segrodata.Filelen))
+ }
+
+ if ld.Debug['v'] != 0 {
+ fmt.Fprintf(&ld.Bso, "%5.2f datblk\n", obj.Cputime())
+ }
+ ld.Bso.Flush()
+
+ ld.Cseek(int64(ld.Segdata.Fileoff))
+ ld.Datblk(int64(ld.Segdata.Vaddr), int64(ld.Segdata.Filelen))
+
+ /* output symbol table */
+ ld.Symsize = 0
+
+ ld.Lcsize = 0
+ symo := uint32(0)
+ if ld.Debug['s'] == 0 {
+ // TODO: rationalize
+ if ld.Debug['v'] != 0 {
+ fmt.Fprintf(&ld.Bso, "%5.2f sym\n", obj.Cputime())
+ }
+ ld.Bso.Flush()
+ switch ld.HEADTYPE {
+ default:
+ if ld.Iself {
+ symo = uint32(ld.Segdata.Fileoff + ld.Segdata.Filelen)
+ symo = uint32(ld.Rnd(int64(symo), int64(ld.INITRND)))
+ }
+
+ case obj.Hplan9:
+ symo = uint32(ld.Segdata.Fileoff + ld.Segdata.Filelen)
+ }
+
+ ld.Cseek(int64(symo))
+ switch ld.HEADTYPE {
+ default:
+ if ld.Iself {
+ if ld.Debug['v'] != 0 {
+ fmt.Fprintf(&ld.Bso, "%5.2f elfsym\n", obj.Cputime())
+ }
+ ld.Asmelfsym()
+ ld.Cflush()
+ ld.Cwrite(ld.Elfstrdat)
+
+ if ld.Debug['v'] != 0 {
+ fmt.Fprintf(&ld.Bso, "%5.2f dwarf\n", obj.Cputime())
+ }
+ ld.Dwarfemitdebugsections()
+
+ if ld.Linkmode == ld.LinkExternal {
+ ld.Elfemitreloc()
+ }
+ }
+
+ case obj.Hplan9:
+ ld.Asmplan9sym()
+ ld.Cflush()
+
+ sym := ld.Linklookup(ld.Ctxt, "pclntab", 0)
+ if sym != nil {
+ ld.Lcsize = int32(len(sym.P))
+ for i := 0; int32(i) < ld.Lcsize; i++ {
+ ld.Cput(uint8(sym.P[i]))
+ }
+
+ ld.Cflush()
+ }
+ }
+ }
+
+ ld.Ctxt.Cursym = nil
+ if ld.Debug['v'] != 0 {
+ fmt.Fprintf(&ld.Bso, "%5.2f header\n", obj.Cputime())
+ }
+ ld.Bso.Flush()
+ ld.Cseek(0)
+ switch ld.HEADTYPE {
+ default:
+ case obj.Hplan9: /* plan 9 */
+ magic := uint32(4*18*18 + 7)
+ if ld.Thestring == "mips64le" {
+ magic = uint32(4*26*26 + 7)
+ }
+ ld.Thearch.Lput(uint32(magic)) /* magic */
+ ld.Thearch.Lput(uint32(ld.Segtext.Filelen)) /* sizes */
+ ld.Thearch.Lput(uint32(ld.Segdata.Filelen))
+ ld.Thearch.Lput(uint32(ld.Segdata.Length - ld.Segdata.Filelen))
+ ld.Thearch.Lput(uint32(ld.Symsize)) /* nsyms */
+ ld.Thearch.Lput(uint32(ld.Entryvalue())) /* va of entry */
+ ld.Thearch.Lput(0)
+ ld.Thearch.Lput(uint32(ld.Lcsize))
+
+ case obj.Hlinux,
+ obj.Hfreebsd,
+ obj.Hnetbsd,
+ obj.Hopenbsd,
+ obj.Hnacl:
+ ld.Asmbelf(int64(symo))
+ }
+
+ ld.Cflush()
+ if ld.Debug['c'] != 0 {
+ fmt.Printf("textsize=%d\n", ld.Segtext.Filelen)
+ fmt.Printf("datsize=%d\n", ld.Segdata.Filelen)
+ fmt.Printf("bsssize=%d\n", ld.Segdata.Length-ld.Segdata.Filelen)
+ fmt.Printf("symsize=%d\n", ld.Symsize)
+ fmt.Printf("lcsize=%d\n", ld.Lcsize)
+ fmt.Printf("total=%d\n", ld.Segtext.Filelen+ld.Segdata.Length+uint64(ld.Symsize)+uint64(ld.Lcsize))
+ }
+}
--- /dev/null
+// Inferno utils/5l/asm.c
+// http://code.google.com/p/inferno-os/source/browse/utils/5l/asm.c
+//
+// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
+// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
+// Portions Copyright © 1997-1999 Vita Nuova Limited
+// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
+// Portions Copyright © 2004,2006 Bruce Ellis
+// Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
+// Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
+// Portions Copyright © 2009 The Go Authors. All rights reserved.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+package mips64
+
+// Writing object files.
+
+// cmd/9l/l.h from Vita Nuova.
+//
+// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
+// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
+// Portions Copyright © 1997-1999 Vita Nuova Limited
+// Portions Copyright © 2000-2008 Vita Nuova Holdings Limited (www.vitanuova.com)
+// Portions Copyright © 2004,2006 Bruce Ellis
+// Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
+// Revisions Copyright © 2000-2008 Lucent Technologies Inc. and others
+// Portions Copyright © 2009 The Go Authors. All rights reserved.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+const (
+ thechar = '0'
+ MaxAlign = 32 // max data alignment
+ FuncAlign = 8
+ MINLC = 4
+)
+
+/* Used by ../internal/ld/dwarf.go */
+const (
+ DWARFREGSP = 29
+ DWARFREGLR = 31
+)
--- /dev/null
+// Inferno utils/5l/obj.c
+// http://code.google.com/p/inferno-os/source/browse/utils/5l/obj.c
+//
+// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
+// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
+// Portions Copyright © 1997-1999 Vita Nuova Limited
+// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
+// Portions Copyright © 2004,2006 Bruce Ellis
+// Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
+// Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
+// Portions Copyright © 2009 The Go Authors. All rights reserved.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+package mips64
+
+import (
+ "cmd/internal/obj"
+ "cmd/link/internal/ld"
+ "fmt"
+ "log"
+)
+
+// Reading object files.
+
+func Main() {
+ linkarchinit()
+ ld.Ldmain()
+}
+
+func linkarchinit() {
+ ld.Thestring = obj.Getgoarch()
+ if ld.Thestring == "mips64le" {
+ ld.Thelinkarch = &ld.Linkmips64le
+ } else {
+ ld.Thelinkarch = &ld.Linkmips64
+ }
+
+ ld.Thearch.Thechar = thechar
+ ld.Thearch.Ptrsize = ld.Thelinkarch.Ptrsize
+ ld.Thearch.Intsize = ld.Thelinkarch.Ptrsize
+ ld.Thearch.Regsize = ld.Thelinkarch.Regsize
+ ld.Thearch.Funcalign = FuncAlign
+ ld.Thearch.Maxalign = MaxAlign
+ ld.Thearch.Minlc = MINLC
+ ld.Thearch.Dwarfregsp = DWARFREGSP
+ ld.Thearch.Dwarfreglr = DWARFREGLR
+
+ ld.Thearch.Adddynrel = adddynrel
+ ld.Thearch.Archinit = archinit
+ ld.Thearch.Archreloc = archreloc
+ ld.Thearch.Archrelocvariant = archrelocvariant
+ ld.Thearch.Asmb = asmb
+ ld.Thearch.Elfreloc1 = elfreloc1
+ ld.Thearch.Elfsetupplt = elfsetupplt
+ ld.Thearch.Gentext = gentext
+ ld.Thearch.Machoreloc1 = machoreloc1
+ if ld.Thelinkarch == &ld.Linkmips64le {
+ ld.Thearch.Lput = ld.Lputl
+ ld.Thearch.Wput = ld.Wputl
+ ld.Thearch.Vput = ld.Vputl
+ } else {
+ ld.Thearch.Lput = ld.Lputb
+ ld.Thearch.Wput = ld.Wputb
+ ld.Thearch.Vput = ld.Vputb
+ }
+
+ ld.Thearch.Linuxdynld = "/lib64/ld64.so.1"
+
+ ld.Thearch.Freebsddynld = "XXX"
+ ld.Thearch.Openbsddynld = "XXX"
+ ld.Thearch.Netbsddynld = "XXX"
+ ld.Thearch.Dragonflydynld = "XXX"
+ ld.Thearch.Solarisdynld = "XXX"
+}
+
+func archinit() {
+ // getgoextlinkenabled is based on GO_EXTLINK_ENABLED when
+ // Go was built; see ../../make.bash.
+ if ld.Linkmode == ld.LinkAuto && obj.Getgoextlinkenabled() == "0" {
+ ld.Linkmode = ld.LinkInternal
+ }
+
+ switch ld.HEADTYPE {
+ default:
+ if ld.Linkmode == ld.LinkAuto {
+ ld.Linkmode = ld.LinkInternal
+ }
+ if ld.Linkmode == ld.LinkExternal && obj.Getgoextlinkenabled() != "1" {
+ log.Fatalf("cannot use -linkmode=external with -H %s", ld.Headstr(int(ld.HEADTYPE)))
+ }
+ }
+
+ switch ld.HEADTYPE {
+ default:
+ ld.Exitf("unknown -H option: %v", ld.HEADTYPE)
+
+ case obj.Hplan9: /* plan 9 */
+ ld.HEADR = 32
+
+ if ld.INITTEXT == -1 {
+ ld.INITTEXT = 16*1024 + int64(ld.HEADR)
+ }
+ if ld.INITDAT == -1 {
+ ld.INITDAT = 0
+ }
+ if ld.INITRND == -1 {
+ ld.INITRND = 16 * 1024
+ }
+
+ case obj.Hlinux: /* mips64 elf */
+ ld.Elfinit()
+ ld.HEADR = ld.ELFRESERVE
+ if ld.INITTEXT == -1 {
+ ld.INITTEXT = 0x10000 + int64(ld.HEADR)
+ }
+ if ld.INITDAT == -1 {
+ ld.INITDAT = 0
+ }
+ if ld.INITRND == -1 {
+ ld.INITRND = 0x10000
+ }
+
+ case obj.Hnacl:
+ ld.Elfinit()
+ ld.HEADR = 0x10000
+ ld.Funcalign = 16
+ if ld.INITTEXT == -1 {
+ ld.INITTEXT = 0x20000
+ }
+ if ld.INITDAT == -1 {
+ ld.INITDAT = 0
+ }
+ if ld.INITRND == -1 {
+ ld.INITRND = 0x10000
+ }
+ }
+
+ if ld.INITDAT != 0 && ld.INITRND != 0 {
+ fmt.Printf("warning: -D0x%x is ignored because of -R0x%x\n", uint64(ld.INITDAT), uint32(ld.INITRND))
+ }
+}
"cmd/link/internal/amd64"
"cmd/link/internal/arm"
"cmd/link/internal/arm64"
+ "cmd/link/internal/mips64"
"cmd/link/internal/ppc64"
"cmd/link/internal/x86"
"fmt"
arm.Main()
case "arm64":
arm64.Main()
+ case "mips64", "mips64le":
+ mips64.Main()
case "ppc64", "ppc64le":
ppc64.Main()
}