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Source file src/pkg/cmd/link/internal/mips/obj.go

     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@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 © 2016 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 mips
    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.ArchMIPS
    41		if objabi.GOARCH == "mipsle" {
    42			arch = sys.ArchMIPSLE
    43		}
    44	
    45		theArch := ld.Arch{
    46			Funcalign:  FuncAlign,
    47			Maxalign:   MaxAlign,
    48			Minalign:   MinAlign,
    49			Dwarfregsp: DWARFREGSP,
    50			Dwarfreglr: DWARFREGLR,
    51	
    52			Adddynrel:        adddynrel,
    53			Archinit:         archinit,
    54			Archreloc:        archreloc,
    55			Archrelocvariant: archrelocvariant,
    56			Asmb:             asmb,
    57			Asmb2:            asmb2,
    58			Elfreloc1:        elfreloc1,
    59			Elfsetupplt:      elfsetupplt,
    60			Gentext:          gentext,
    61			Machoreloc1:      machoreloc1,
    62	
    63			Linuxdynld: "/lib/ld.so.1",
    64	
    65			Freebsddynld:   "XXX",
    66			Openbsddynld:   "XXX",
    67			Netbsddynld:    "XXX",
    68			Dragonflydynld: "XXX",
    69			Solarisdynld:   "XXX",
    70		}
    71	
    72		return arch, theArch
    73	}
    74	
    75	func archinit(ctxt *ld.Link) {
    76		switch ctxt.HeadType {
    77		default:
    78			ld.Exitf("unknown -H option: %v", ctxt.HeadType)
    79		case objabi.Hlinux: /* mips elf */
    80			ld.Elfinit(ctxt)
    81			ld.HEADR = ld.ELFRESERVE
    82			if *ld.FlagTextAddr == -1 {
    83				*ld.FlagTextAddr = 0x10000 + int64(ld.HEADR)
    84			}
    85			if *ld.FlagRound == -1 {
    86				*ld.FlagRound = 0x10000
    87			}
    88		}
    89	}
    90	

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