1 // Inferno utils/5l/obj.c
2 // https://bitbucket.org/inferno-os/inferno-os/src/master/utils/5l/obj.c
4 // Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
5 // Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
6 // Portions Copyright © 1997-1999 Vita Nuova Limited
7 // Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
8 // Portions Copyright © 2004,2006 Bruce Ellis
9 // Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
10 // Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
11 // Portions Copyright © 2009 The Go Authors. All rights reserved.
13 // Permission is hereby granted, free of charge, to any person obtaining a copy
14 // of this software and associated documentation files (the "Software"), to deal
15 // in the Software without restriction, including without limitation the rights
16 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
17 // copies of the Software, and to permit persons to whom the Software is
18 // furnished to do so, subject to the following conditions:
20 // The above copyright notice and this permission notice shall be included in
21 // all copies or substantial portions of the Software.
23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
26 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
27 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
28 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
36 "cmd/link/internal/ld"
39 func Init() (*sys.Arch, ld.Arch) {
41 if objabi.GOARCH == "ppc64le" {
42 arch = sys.ArchPPC64LE
49 Dwarfregsp: dwarfRegSP,
50 Dwarfreglr: dwarfRegLR,
51 WriteTextBlocks: true,
56 Archrelocvariant: archrelocvariant,
60 Elfsetupplt: elfsetupplt,
62 Trampoline: trampoline,
63 Machoreloc1: machoreloc1,
64 Xcoffreloc1: xcoffreloc1,
66 // TODO(austin): ABI v1 uses /usr/lib/ld.so.1,
67 Linuxdynld: "/lib64/ld64.so.1",
72 Dragonflydynld: "XXX",
79 func archinit(ctxt *ld.Link) {
80 switch ctxt.HeadType {
82 ld.Exitf("unknown -H option: %v", ctxt.HeadType)
84 case objabi.Hplan9: /* plan 9 */
87 if *ld.FlagTextAddr == -1 {
88 *ld.FlagTextAddr = 4128
90 if *ld.FlagRound == -1 {
94 case objabi.Hlinux: /* ppc64 elf */
96 ld.HEADR = ld.ELFRESERVE
97 if *ld.FlagTextAddr == -1 {
98 *ld.FlagTextAddr = 0x10000 + int64(ld.HEADR)
100 if *ld.FlagRound == -1 {
101 *ld.FlagRound = 0x10000