blob: c76e267cc232843ef623075fbb54c9d0735f0c47 [file] [log] [blame]
// Inferno utils/5l/obj.c
// https://bitbucket.org/inferno-os/inferno-os/src/master/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/objabi"
"cmd/internal/sys"
"cmd/link/internal/ld"
"cmd/link/internal/loader"
"internal/buildcfg"
)
func Init() (*sys.Arch, ld.Arch) {
arch := sys.ArchMIPS
musl := "/lib/ld-musl-mips.so.1"
if buildcfg.GOARCH == "mipsle" {
arch = sys.ArchMIPSLE
musl = "/lib/ld-musl-mipsel.so.1"
}
theArch := ld.Arch{
Funcalign: FuncAlign,
Maxalign: MaxAlign,
Minalign: MinAlign,
Dwarfregsp: DWARFREGSP,
Dwarfreglr: DWARFREGLR,
Adddynrel: adddynrel,
Archinit: archinit,
Archreloc: archreloc,
Archrelocvariant: archrelocvariant,
Extreloc: extreloc,
Gentext: gentext,
Machoreloc1: machoreloc1,
ELF: ld.ELFArch{
Linuxdynld: "/lib/ld.so.1",
LinuxdynldMusl: musl,
Freebsddynld: "XXX",
Openbsddynld: "XXX",
Netbsddynld: "XXX",
Dragonflydynld: "XXX",
Solarisdynld: "XXX",
Reloc1: elfreloc1,
RelocSize: 8,
SetupPLT: elfsetupplt,
// Historically GNU ld creates a read-only
// .dynamic section.
DynamicReadOnly: true,
},
}
return arch, theArch
}
func archinit(ctxt *ld.Link) {
switch ctxt.HeadType {
default:
ld.Exitf("unknown -H option: %v", ctxt.HeadType)
case objabi.Hlinux: /* mips elf */
ld.Elfinit(ctxt)
ld.HEADR = ld.ELFRESERVE
if *ld.FlagRound == -1 {
*ld.FlagRound = 0x10000
}
if *ld.FlagTextAddr == -1 {
*ld.FlagTextAddr = ld.Rnd(0x10000, *ld.FlagRound) + int64(ld.HEADR)
}
}
}
func adddynrel(target *ld.Target, ldr *loader.Loader, syms *ld.ArchSyms, s loader.Sym, r loader.Reloc, rIdx int) bool {
ld.Exitf("adddynrel currently unimplemented for MIPS")
return false
}