/pkg/bootstrap/src/bootstrap/cmd/link/internal/arm64/obj.go
Go | 140 lines | 94 code | 15 blank | 31 comment | 29 complexity | 30af7cfa1cb26d9aad2966eea9bc5920 MD5 | raw file
Possible License(s): BSD-3-Clause, Apache-2.0
- // Do not edit. Bootstrap copy of /home/bnat6582/go/src/cmd/link/internal/arm64/obj.go
- //line /home/bnat6582/go/src/cmd/link/internal/arm64/obj.go:1
- // Inferno utils/5l/obj.c
- // https://bitbucket.org/inferno-os/inferno-os/src/default/utils/5l/obj.c
- //
- // Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
- // Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
- // Portions Copyright © 1997-1999 Vita Nuova Limited
- // Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
- // Portions Copyright © 2004,2006 Bruce Ellis
- // Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
- // Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
- // Portions Copyright © 2009 The Go Authors. All rights reserved.
- //
- // Permission is hereby granted, free of charge, to any person obtaining a copy
- // of this software and associated documentation files (the "Software"), to deal
- // in the Software without restriction, including without limitation the rights
- // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- // copies of the Software, and to permit persons to whom the Software is
- // furnished to do so, subject to the following conditions:
- //
- // The above copyright notice and this permission notice shall be included in
- // all copies or substantial portions of the Software.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- // THE SOFTWARE.
- package arm64
- import (
- "bootstrap/cmd/internal/objabi"
- "bootstrap/cmd/internal/sys"
- "bootstrap/cmd/link/internal/ld"
- "fmt"
- )
- func Init() {
- ld.SysArch = sys.ArchARM64
- ld.Thearch.Funcalign = funcAlign
- ld.Thearch.Maxalign = maxAlign
- ld.Thearch.Minalign = minAlign
- ld.Thearch.Dwarfregsp = dwarfRegSP
- ld.Thearch.Dwarfreglr = dwarfRegLR
- ld.Thearch.Adddynrel = adddynrel
- ld.Thearch.Archinit = archinit
- ld.Thearch.Archreloc = archreloc
- ld.Thearch.Archrelocvariant = archrelocvariant
- ld.Thearch.Asmb = asmb
- ld.Thearch.Elfreloc1 = elfreloc1
- ld.Thearch.Elfsetupplt = elfsetupplt
- ld.Thearch.Gentext = gentext
- ld.Thearch.Machoreloc1 = machoreloc1
- ld.Thearch.Lput = ld.Lputl
- ld.Thearch.Wput = ld.Wputl
- ld.Thearch.Vput = ld.Vputl
- ld.Thearch.Append16 = ld.Append16l
- ld.Thearch.Append32 = ld.Append32l
- ld.Thearch.Append64 = ld.Append64l
- ld.Thearch.Linuxdynld = "/lib/ld-linux-aarch64.so.1"
- ld.Thearch.Freebsddynld = "XXX"
- ld.Thearch.Openbsddynld = "XXX"
- ld.Thearch.Netbsddynld = "XXX"
- ld.Thearch.Dragonflydynld = "XXX"
- ld.Thearch.Solarisdynld = "XXX"
- }
- func archinit(ctxt *ld.Link) {
- switch ld.Headtype {
- default:
- ld.Exitf("unknown -H option: %v", ld.Headtype)
- case objabi.Hplan9: /* plan 9 */
- ld.HEADR = 32
- if *ld.FlagTextAddr == -1 {
- *ld.FlagTextAddr = 4096 + int64(ld.HEADR)
- }
- if *ld.FlagDataAddr == -1 {
- *ld.FlagDataAddr = 0
- }
- if *ld.FlagRound == -1 {
- *ld.FlagRound = 4096
- }
- case objabi.Hlinux: /* arm64 elf */
- ld.Elfinit(ctxt)
- ld.HEADR = ld.ELFRESERVE
- if *ld.FlagTextAddr == -1 {
- *ld.FlagTextAddr = 0x10000 + int64(ld.HEADR)
- }
- if *ld.FlagDataAddr == -1 {
- *ld.FlagDataAddr = 0
- }
- if *ld.FlagRound == -1 {
- *ld.FlagRound = 0x10000
- }
- case objabi.Hdarwin: /* apple MACH */
- *ld.FlagW = true // disable DWARF generation
- ld.Machoinit()
- ld.HEADR = ld.INITIAL_MACHO_HEADR
- if *ld.FlagTextAddr == -1 {
- *ld.FlagTextAddr = 4096 + int64(ld.HEADR)
- }
- if *ld.FlagDataAddr == -1 {
- *ld.FlagDataAddr = 0
- }
- if *ld.FlagRound == -1 {
- *ld.FlagRound = 4096
- }
- case objabi.Hnacl:
- ld.Elfinit(ctxt)
- ld.HEADR = 0x10000
- ld.Funcalign = 16
- if *ld.FlagTextAddr == -1 {
- *ld.FlagTextAddr = 0x20000
- }
- if *ld.FlagDataAddr == -1 {
- *ld.FlagDataAddr = 0
- }
- if *ld.FlagRound == -1 {
- *ld.FlagRound = 0x10000
- }
- }
- if *ld.FlagDataAddr != 0 && *ld.FlagRound != 0 {
- fmt.Printf("warning: -D0x%x is ignored because of -R0x%x\n", uint64(*ld.FlagDataAddr), uint32(*ld.FlagRound))
- }
- }