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// Inferno utils/6l/obj.c
// https://bitbucket.org/inferno-os/inferno-os/src/master/utils/6l/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 amd64
import (
"cmd/internal/objabi"
"cmd/internal/sys"
"cmd/link/internal/ld"
)
func Init() (*sys.Arch, ld.Arch) {
arch := sys.ArchAMD64
theArch := ld.Arch{
Funcalign: funcAlign,
Maxalign: maxAlign,
Minalign: minAlign,
Dwarfregsp: dwarfRegSP,
Dwarfreglr: dwarfRegLR,
// 0xCC is INT $3 - breakpoint instruction
CodePad: []byte{0xCC},
Plan9Magic: uint32(4*26*26 + 7),
Plan9_64Bit: true,
Adddynrel: adddynrel,
Archinit: archinit,
Archreloc: archreloc,
Archrelocvariant: archrelocvariant,
Elfreloc1: elfreloc1,
ElfrelocSize: 24,
Elfsetupplt: elfsetupplt,
Gentext: gentext,
Machoreloc1: machoreloc1,
MachorelocSize: 8,
PEreloc1: pereloc1,
TLSIEtoLE: tlsIEtoLE,
Linuxdynld: "/lib64/ld-linux-x86-64.so.2",
Freebsddynld: "/libexec/ld-elf.so.1",
Openbsddynld: "/usr/libexec/ld.so",
Netbsddynld: "/libexec/ld.elf_so",
Dragonflydynld: "/usr/libexec/ld-elf.so.2",
Solarisdynld: "/lib/amd64/ld.so.1",
}
return arch, theArch
}
func archinit(ctxt *ld.Link) {
switch ctxt.HeadType {
default:
ld.Exitf("unknown -H option: %v", ctxt.HeadType)
case objabi.Hplan9: /* plan 9 */
ld.HEADR = 32 + 8
if *ld.FlagTextAddr == -1 {
*ld.FlagTextAddr = 0x200000 + int64(ld.HEADR)
}
if *ld.FlagRound == -1 {
*ld.FlagRound = 0x200000
}
case objabi.Hdarwin: /* apple MACH */
ld.HEADR = ld.INITIAL_MACHO_HEADR
if *ld.FlagRound == -1 {
*ld.FlagRound = 4096
}
if *ld.FlagTextAddr == -1 {
*ld.FlagTextAddr = 0x1000000 + int64(ld.HEADR)
}
case objabi.Hlinux, /* elf64 executable */
objabi.Hfreebsd, /* freebsd */
objabi.Hnetbsd, /* netbsd */
objabi.Hopenbsd, /* openbsd */
objabi.Hdragonfly, /* dragonfly */
objabi.Hsolaris: /* solaris */
ld.Elfinit(ctxt)
ld.HEADR = ld.ELFRESERVE
if *ld.FlagTextAddr == -1 {
*ld.FlagTextAddr = (1 << 22) + int64(ld.HEADR)
}
if *ld.FlagRound == -1 {
*ld.FlagRound = 4096
}
case objabi.Hwindows: /* PE executable */
// ld.HEADR, ld.FlagTextAddr, ld.FlagRound are set in ld.Peinit
return
}
}
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