Only internal linking without cgo is supported for now.
Change-Id: I772d2ba496a613c78bee7e93f29e9538e6407bdc
Reviewed-on: https://go-review.googlesource.com/31481
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
switch SysArch.Family {
default:
Exitf("unknown architecture in asmbelf: %v", SysArch.Family)
- case sys.MIPS64:
+ case sys.MIPS, sys.MIPS64:
eh.machine = EM_MIPS
case sys.ARM:
eh.machine = EM_ARM
--- /dev/null
+// Inferno utils/5l/asm.c
+// https://bitbucket.org/inferno-os/inferno-os/src/default/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 © 2016 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 mips
+
+import (
+ "cmd/internal/obj"
+ "cmd/link/internal/ld"
+ "fmt"
+ "log"
+)
+
+func gentext(ctxt *ld.Link) {
+ return
+}
+
+func adddynrel(ctxt *ld.Link, s *ld.Symbol, r *ld.Reloc) bool {
+ log.Fatalf("adddynrel not implemented")
+ return false
+}
+
+func elfreloc1(ctxt *ld.Link, r *ld.Reloc, sectoff int64) int {
+ return -1
+}
+
+func elfsetupplt(ctxt *ld.Link) {
+ return
+}
+
+func machoreloc1(s *ld.Symbol, r *ld.Reloc, sectoff int64) int {
+ return -1
+}
+
+func archreloc(ctxt *ld.Link, r *ld.Reloc, s *ld.Symbol, 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(ctxt.Syms.Lookup(".got", 0))
+ return 0
+
+ case obj.R_ADDRMIPS,
+ obj.R_ADDRMIPSU:
+ t := ld.Symaddr(r.Sym) + r.Add
+ o1 := ld.SysArch.ByteOrder.Uint32(s.P[r.Off:])
+ if r.Type == obj.R_ADDRMIPS {
+ *val = int64(o1&0xffff0000 | uint32(t)&0xffff)
+ } else {
+ *val = int64(o1&0xffff0000 | uint32((t+1<<15)>>16)&0xffff)
+ }
+ return 0
+
+ case obj.R_CALLMIPS,
+ obj.R_JMPMIPS:
+ // Low 26 bits = (S + A) >> 2
+ t := ld.Symaddr(r.Sym) + r.Add
+ o1 := ld.SysArch.ByteOrder.Uint32(s.P[r.Off:])
+ *val = int64(o1&0xfc000000 | uint32(t>>2)&^0xfc000000)
+ return 0
+ }
+
+ return -1
+}
+
+func archrelocvariant(ctxt *ld.Link, r *ld.Reloc, s *ld.Symbol, t int64) int64 {
+ return -1
+}
+
+func asmb(ctxt *ld.Link) {
+ if ctxt.Debugvlog != 0 {
+ ctxt.Logf("%5.2f asmb\n", obj.Cputime())
+ }
+
+ if ld.Iself {
+ ld.Asmbelfsetup()
+ }
+
+ sect := ld.Segtext.Sect
+ ld.Cseek(int64(sect.Vaddr - ld.Segtext.Vaddr + ld.Segtext.Fileoff))
+ ld.Codeblk(ctxt, 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(ctxt, int64(sect.Vaddr), int64(sect.Length))
+ }
+
+ if ld.Segrodata.Filelen > 0 {
+ if ctxt.Debugvlog != 0 {
+ ctxt.Logf("%5.2f rodatblk\n", obj.Cputime())
+ }
+
+ ld.Cseek(int64(ld.Segrodata.Fileoff))
+ ld.Datblk(ctxt, int64(ld.Segrodata.Vaddr), int64(ld.Segrodata.Filelen))
+ }
+
+ if ctxt.Debugvlog != 0 {
+ ctxt.Logf("%5.2f datblk\n", obj.Cputime())
+ }
+
+ ld.Cseek(int64(ld.Segdata.Fileoff))
+ ld.Datblk(ctxt, int64(ld.Segdata.Vaddr), int64(ld.Segdata.Filelen))
+
+ ld.Cseek(int64(ld.Segdwarf.Fileoff))
+ ld.Dwarfblk(ctxt, int64(ld.Segdwarf.Vaddr), int64(ld.Segdwarf.Filelen))
+
+ /* output symbol table */
+ ld.Symsize = 0
+
+ ld.Lcsize = 0
+ symo := uint32(0)
+ if !*ld.FlagS {
+ if !ld.Iself {
+ ld.Errorf(nil, "unsupported executable format")
+ }
+ if ctxt.Debugvlog != 0 {
+ ctxt.Logf("%5.2f sym\n", obj.Cputime())
+ }
+ symo = uint32(ld.Segdwarf.Fileoff + ld.Segdwarf.Filelen)
+ symo = uint32(ld.Rnd(int64(symo), int64(*ld.FlagRound)))
+
+ ld.Cseek(int64(symo))
+ if ctxt.Debugvlog != 0 {
+ ctxt.Logf("%5.2f elfsym\n", obj.Cputime())
+ }
+ ld.Asmelfsym(ctxt)
+ ld.Cflush()
+ ld.Cwrite(ld.Elfstrdat)
+
+ if ctxt.Debugvlog != 0 {
+ ctxt.Logf("%5.2f dwarf\n", obj.Cputime())
+ }
+
+ if ld.Linkmode == ld.LinkExternal {
+ ld.Elfemitreloc(ctxt)
+ }
+ }
+
+ if ctxt.Debugvlog != 0 {
+ ctxt.Logf("%5.2f header\n", obj.Cputime())
+ }
+
+ ld.Cseek(0)
+ switch ld.Headtype {
+ default:
+ ld.Errorf(nil, "unsupported operating system")
+ case obj.Hlinux:
+ ld.Asmbelf(ctxt, int64(symo))
+ }
+
+ ld.Cflush()
+ if *ld.FlagC {
+ 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
+// https://bitbucket.org/inferno-os/inferno-os/src/default/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 © 2016 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 mips
+
+// 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 © 2016 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 (
+ MaxAlign = 32 // max data alignment
+ MinAlign = 1 // min data alignment
+ FuncAlign = 4
+)
+
+/* Used by ../internal/ld/dwarf.go */
+const (
+ DWARFREGSP = 29
+ DWARFREGLR = 31
+)
--- /dev/null
+// Inferno utils/5l/obj.c
+// https://bitbucket.org/inferno-os/inferno-os/src/default/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 © 2016 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 mips
+
+import (
+ "cmd/internal/obj"
+ "cmd/internal/sys"
+ "cmd/link/internal/ld"
+ "fmt"
+)
+
+// Reading object files.
+
+func Init() {
+ if obj.GOARCH == "mipsle" {
+ ld.SysArch = sys.ArchMIPSLE
+ } else {
+ ld.SysArch = sys.ArchMIPS
+ }
+
+ ld.Thearch.Funcalign = FuncAlign
+ ld.Thearch.Maxalign = MaxAlign
+ ld.Thearch.Minalign = MinAlign
+ 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.SysArch == sys.ArchMIPSLE {
+ ld.Thearch.Lput = ld.Lputl
+ ld.Thearch.Wput = ld.Wputl
+ ld.Thearch.Vput = ld.Vputl
+ ld.Thearch.Append16 = ld.Append16l
+ ld.Thearch.Append32 = ld.Append32l
+ ld.Thearch.Append64 = ld.Append64l
+ } else {
+ ld.Thearch.Lput = ld.Lputb
+ ld.Thearch.Wput = ld.Wputb
+ ld.Thearch.Vput = ld.Vputb
+ ld.Thearch.Append16 = ld.Append16b
+ ld.Thearch.Append32 = ld.Append32b
+ ld.Thearch.Append64 = ld.Append64b
+ }
+
+ ld.Thearch.Linuxdynld = "/lib/ld.so.1"
+
+ ld.Thearch.Freebsddynld = "XXX"
+ ld.Thearch.Openbsddynld = "XXX"
+ ld.Thearch.Netbsddynld = "XXX"
+ ld.Thearch.Dragonflydynld = "XXX"
+ ld.Thearch.Solarisdynld = "XXX"
+}
+
+func archinit(ctxt *ld.Link) {
+ switch ld.Headtype {
+ default:
+ ld.Exitf("unknown -H option: %v", ld.Headtype)
+ case obj.Hlinux: /* mips elf */
+ ld.Elfinit(ctxt)
+ ld.HEADR = ld.ELFRESERVE
+ if *ld.FlagTextAddr == -1 {
+ *ld.FlagTextAddr = 0x10000 + int64(ld.HEADR)
+ }
+ if *ld.FlagDataAddr == -1 {
+ *ld.FlagDataAddr = 0
+ }
+ if *ld.FlagRound == -1 {
+ *ld.FlagRound = 0x10000
+ }
+ }
+
+ if *ld.FlagDataAddr != 0 && *ld.FlagRound != 0 {
+ fmt.Printf("warning: -D0x%x is ignored because of -R0x%x\n", uint64(*ld.FlagDataAddr), uint32(*ld.FlagRound))
+ }
+}