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      1 // Inferno utils/5l/obj.c
      2 // https://bitbucket.org/inferno-os/inferno-os/src/default/utils/5l/obj.c
      3 //
      4 //	Copyright  1994-1999 Lucent Technologies Inc.  All rights reserved.
      5 //	Portions Copyright  1995-1997 C H Forsyth (forsyth (a] 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 (a] 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 s390x
     32 
     33 import (
     34 	"cmd/internal/obj"
     35 	"cmd/internal/sys"
     36 	"cmd/link/internal/ld"
     37 	"fmt"
     38 )
     39 
     40 func Init() {
     41 	ld.SysArch = sys.ArchS390X
     42 
     43 	ld.Thearch.Funcalign = funcAlign
     44 	ld.Thearch.Maxalign = maxAlign
     45 	ld.Thearch.Minalign = minAlign
     46 	ld.Thearch.Dwarfregsp = dwarfRegSP
     47 	ld.Thearch.Dwarfreglr = dwarfRegLR
     48 
     49 	ld.Thearch.Adddynrel = adddynrel
     50 	ld.Thearch.Archinit = archinit
     51 	ld.Thearch.Archreloc = archreloc
     52 	ld.Thearch.Archrelocvariant = archrelocvariant
     53 	ld.Thearch.Asmb = asmb // in asm.go
     54 	ld.Thearch.Elfreloc1 = elfreloc1
     55 	ld.Thearch.Elfsetupplt = elfsetupplt
     56 	ld.Thearch.Gentext = gentext
     57 	ld.Thearch.Machoreloc1 = machoreloc1
     58 	ld.Thearch.Lput = ld.Lputb
     59 	ld.Thearch.Wput = ld.Wputb
     60 	ld.Thearch.Vput = ld.Vputb
     61 	ld.Thearch.Append16 = ld.Append16b
     62 	ld.Thearch.Append32 = ld.Append32b
     63 	ld.Thearch.Append64 = ld.Append64b
     64 
     65 	ld.Thearch.Linuxdynld = "/lib64/ld64.so.1"
     66 
     67 	// not relevant for s390x
     68 	ld.Thearch.Freebsddynld = "XXX"
     69 	ld.Thearch.Openbsddynld = "XXX"
     70 	ld.Thearch.Netbsddynld = "XXX"
     71 	ld.Thearch.Dragonflydynld = "XXX"
     72 	ld.Thearch.Solarisdynld = "XXX"
     73 }
     74 
     75 func archinit(ctxt *ld.Link) {
     76 	switch ld.Headtype {
     77 	default:
     78 		ld.Exitf("unknown -H option: %v", ld.Headtype)
     79 
     80 	case obj.Hlinux: // s390x ELF
     81 		ld.Elfinit(ctxt)
     82 		ld.HEADR = ld.ELFRESERVE
     83 		if *ld.FlagTextAddr == -1 {
     84 			*ld.FlagTextAddr = 0x10000 + int64(ld.HEADR)
     85 		}
     86 		if *ld.FlagDataAddr == -1 {
     87 			*ld.FlagDataAddr = 0
     88 		}
     89 		if *ld.FlagRound == -1 {
     90 			*ld.FlagRound = 0x10000
     91 		}
     92 	}
     93 
     94 	if *ld.FlagDataAddr != 0 && *ld.FlagRound != 0 {
     95 		fmt.Printf("warning: -D0x%x is ignored because of -R0x%x\n", uint64(*ld.FlagDataAddr), uint32(*ld.FlagRound))
     96 	}
     97 }
     98