From 73df946d56c74384511a194dd01dbe099584fd1a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:14:23 +0200 Subject: Adding upstream version 1.16.10. Signed-off-by: Daniel Baumann --- src/cmd/link/internal/amd64/obj.go | 122 +++++++++++++++++++++++++++++++++++++ 1 file changed, 122 insertions(+) create mode 100644 src/cmd/link/internal/amd64/obj.go (limited to 'src/cmd/link/internal/amd64/obj.go') diff --git a/src/cmd/link/internal/amd64/obj.go b/src/cmd/link/internal/amd64/obj.go new file mode 100644 index 0000000..d09c90e --- /dev/null +++ b/src/cmd/link/internal/amd64/obj.go @@ -0,0 +1,122 @@ +// Inferno utils/6l/obj.c +// https://bitbucket.org/inferno-os/inferno-os/src/master/utils/6l/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 amd64 + +import ( + "cmd/internal/objabi" + "cmd/internal/sys" + "cmd/link/internal/ld" +) + +func Init() (*sys.Arch, ld.Arch) { + arch := sys.ArchAMD64 + + theArch := ld.Arch{ + Funcalign: funcAlign, + Maxalign: maxAlign, + Minalign: minAlign, + Dwarfregsp: dwarfRegSP, + Dwarfreglr: dwarfRegLR, + // 0xCC is INT $3 - breakpoint instruction + CodePad: []byte{0xCC}, + + Plan9Magic: uint32(4*26*26 + 7), + Plan9_64Bit: true, + + Adddynrel: adddynrel, + Archinit: archinit, + Archreloc: archreloc, + Archrelocvariant: archrelocvariant, + Elfreloc1: elfreloc1, + ElfrelocSize: 24, + Elfsetupplt: elfsetupplt, + Gentext: gentext, + Machoreloc1: machoreloc1, + MachorelocSize: 8, + PEreloc1: pereloc1, + TLSIEtoLE: tlsIEtoLE, + + Linuxdynld: "/lib64/ld-linux-x86-64.so.2", + Freebsddynld: "/libexec/ld-elf.so.1", + Openbsddynld: "/usr/libexec/ld.so", + Netbsddynld: "/libexec/ld.elf_so", + Dragonflydynld: "/usr/libexec/ld-elf.so.2", + Solarisdynld: "/lib/amd64/ld.so.1", + } + + return arch, theArch +} + +func archinit(ctxt *ld.Link) { + switch ctxt.HeadType { + default: + ld.Exitf("unknown -H option: %v", ctxt.HeadType) + + case objabi.Hplan9: /* plan 9 */ + ld.HEADR = 32 + 8 + + if *ld.FlagTextAddr == -1 { + *ld.FlagTextAddr = 0x200000 + int64(ld.HEADR) + } + if *ld.FlagRound == -1 { + *ld.FlagRound = 0x200000 + } + + case objabi.Hdarwin: /* apple MACH */ + ld.HEADR = ld.INITIAL_MACHO_HEADR + if *ld.FlagRound == -1 { + *ld.FlagRound = 4096 + } + if *ld.FlagTextAddr == -1 { + *ld.FlagTextAddr = 0x1000000 + int64(ld.HEADR) + } + + case objabi.Hlinux, /* elf64 executable */ + objabi.Hfreebsd, /* freebsd */ + objabi.Hnetbsd, /* netbsd */ + objabi.Hopenbsd, /* openbsd */ + objabi.Hdragonfly, /* dragonfly */ + objabi.Hsolaris: /* solaris */ + ld.Elfinit(ctxt) + + ld.HEADR = ld.ELFRESERVE + if *ld.FlagTextAddr == -1 { + *ld.FlagTextAddr = (1 << 22) + int64(ld.HEADR) + } + if *ld.FlagRound == -1 { + *ld.FlagRound = 4096 + } + + case objabi.Hwindows: /* PE executable */ + // ld.HEADR, ld.FlagTextAddr, ld.FlagRound are set in ld.Peinit + return + } +} -- cgit v1.2.3