Source file src/cmd/link/internal/ppc64/obj.go
Documentation: cmd/link/internal/ppc64
1 // Inferno utils/5l/obj.c 2 // https://bitbucket.org/inferno-os/inferno-os/src/master/utils/5l/obj.c 3 // 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. 12 // 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: 19 // 20 // The above copyright notice and this permission notice shall be included in 21 // all copies or substantial portions of the Software. 22 // 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 29 // THE SOFTWARE. 30 31 package ppc64 32 33 import ( 34 "cmd/internal/objabi" 35 "cmd/internal/sys" 36 "cmd/link/internal/ld" 37 ) 38 39 func Init() (*sys.Arch, ld.Arch) { 40 arch := sys.ArchPPC64 41 if objabi.GOARCH == "ppc64le" { 42 arch = sys.ArchPPC64LE 43 } 44 45 theArch := ld.Arch{ 46 Funcalign: funcAlign, 47 Maxalign: maxAlign, 48 Minalign: minAlign, 49 Dwarfregsp: dwarfRegSP, 50 Dwarfreglr: dwarfRegLR, 51 WriteTextBlocks: true, 52 53 Adddynrel: adddynrel, 54 Archinit: archinit, 55 Archreloc: archreloc, 56 Archrelocvariant: archrelocvariant, 57 Extreloc: extreloc, 58 Elfreloc1: elfreloc1, 59 ElfrelocSize: 24, 60 Elfsetupplt: elfsetupplt, 61 Gentext: gentext, 62 Trampoline: trampoline, 63 Machoreloc1: machoreloc1, 64 Xcoffreloc1: xcoffreloc1, 65 66 // TODO(austin): ABI v1 uses /usr/lib/ld.so.1, 67 Linuxdynld: "/lib64/ld64.so.1", 68 69 Freebsddynld: "XXX", 70 Openbsddynld: "XXX", 71 Netbsddynld: "XXX", 72 Dragonflydynld: "XXX", 73 Solarisdynld: "XXX", 74 } 75 76 return arch, theArch 77 } 78 79 func archinit(ctxt *ld.Link) { 80 switch ctxt.HeadType { 81 default: 82 ld.Exitf("unknown -H option: %v", ctxt.HeadType) 83 84 case objabi.Hplan9: /* plan 9 */ 85 ld.HEADR = 32 86 87 if *ld.FlagTextAddr == -1 { 88 *ld.FlagTextAddr = 4128 89 } 90 if *ld.FlagRound == -1 { 91 *ld.FlagRound = 4096 92 } 93 94 case objabi.Hlinux: /* ppc64 elf */ 95 ld.Elfinit(ctxt) 96 ld.HEADR = ld.ELFRESERVE 97 if *ld.FlagTextAddr == -1 { 98 *ld.FlagTextAddr = 0x10000 + int64(ld.HEADR) 99 } 100 if *ld.FlagRound == -1 { 101 *ld.FlagRound = 0x10000 102 } 103 104 case objabi.Haix: 105 ld.Xcoffinit(ctxt) 106 } 107 } 108