github.com/bir3/gocompiler@v0.3.205/src/cmd/link/internal/loong64/obj.go (about)

     1  // Copyright 2022 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package loong64
     6  
     7  import (
     8  	"github.com/bir3/gocompiler/src/cmd/internal/objabi"
     9  	"github.com/bir3/gocompiler/src/cmd/internal/sys"
    10  	"github.com/bir3/gocompiler/src/cmd/link/internal/ld"
    11  )
    12  
    13  func Init() (*sys.Arch, ld.Arch) {
    14  	arch := sys.ArchLoong64
    15  
    16  	theArch := ld.Arch{
    17  		Funcalign:        funcAlign,
    18  		Maxalign:         maxAlign,
    19  		Minalign:         minAlign,
    20  		Dwarfregsp:       dwarfRegSP,
    21  		Dwarfreglr:       dwarfRegLR,
    22  		Adddynrel:        adddynrel,
    23  		Archinit:         archinit,
    24  		Archreloc:        archreloc,
    25  		Archrelocvariant: archrelocvariant,
    26  		Extreloc:         extreloc,
    27  		Elfreloc1:        elfreloc1,
    28  		ElfrelocSize:     24,
    29  		Elfsetupplt:      elfsetupplt,
    30  		Machoreloc1:      machoreloc1,
    31  		Gentext:          gentext,
    32  
    33  		Linuxdynld:     "/lib64/ld.so.1",
    34  		LinuxdynldMusl: "/lib64/ld-musl-loongarch.so.1",
    35  		Freebsddynld:   "XXX",
    36  		Openbsddynld:   "XXX",
    37  		Netbsddynld:    "XXX",
    38  		Dragonflydynld: "XXX",
    39  		Solarisdynld:   "XXX",
    40  	}
    41  
    42  	return arch, theArch
    43  }
    44  
    45  func archinit(ctxt *ld.Link) {
    46  	switch ctxt.HeadType {
    47  	default:
    48  		ld.Exitf("unknown -H option: %v", ctxt.HeadType)
    49  	case objabi.Hlinux: /* loong64 elf */
    50  		ld.Elfinit(ctxt)
    51  		ld.HEADR = ld.ELFRESERVE
    52  		if *ld.FlagTextAddr == -1 {
    53  			*ld.FlagTextAddr = 0x10000 + int64(ld.HEADR)
    54  		}
    55  		if *ld.FlagRound == -1 {
    56  			*ld.FlagRound = 0x10000
    57  		}
    58  	}
    59  }