| // 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 ( |
| "cmd/internal/objabi" |
| "cmd/internal/sys" |
| "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)) |
| } |
| } |