| // Derived from Inferno utils/6l/obj.c and utils/6l/span.c | |
| // https://bitbucket.org/inferno-os/inferno-os/src/default/utils/6l/obj.c | |
| // https://bitbucket.org/inferno-os/inferno-os/src/default/utils/6l/span.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 obj | |
| import ( | |
| "log" | |
| "os" | |
| "path/filepath" | |
| ) | |
| func Linknew(arch *LinkArch) *Link { | |
| ctxt := new(Link) | |
| ctxt.Hash = make(map[SymVer]*LSym) | |
| ctxt.Arch = arch | |
| ctxt.Version = HistVersion | |
| var buf string | |
| buf, _ = os.Getwd() | |
| if buf == "" { | |
| buf = "/???" | |
| } | |
| buf = filepath.ToSlash(buf) | |
| ctxt.Pathname = buf | |
| ctxt.LineHist.GOROOT = GOROOT | |
| ctxt.LineHist.Dir = ctxt.Pathname | |
| ctxt.Headtype.Set(GOOS) | |
| if ctxt.Headtype < 0 { | |
| log.Fatalf("unknown goos %s", GOOS) | |
| } | |
| ctxt.Flag_optimize = true | |
| ctxt.Framepointer_enabled = Framepointer_enabled(GOOS, arch.Name) | |
| return ctxt | |
| } | |
| func Linklookup(ctxt *Link, name string, v int) *LSym { | |
| s := ctxt.Hash[SymVer{name, v}] | |
| if s != nil { | |
| return s | |
| } | |
| s = &LSym{ | |
| Name: name, | |
| Type: 0, | |
| Version: int16(v), | |
| Size: 0, | |
| } | |
| ctxt.Hash[SymVer{name, v}] = s | |
| return s | |
| } | |
| func Linksymfmt(s *LSym) string { | |
| if s == nil { | |
| return "<nil>" | |
| } | |
| return s.Name | |
| } |