mirror of
https://github.com/42wim/matterbridge.git
synced 2024-12-27 13:42:35 +01:00
89 lines
2.7 KiB
Go
89 lines
2.7 KiB
Go
|
// 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
|
||
|
|
}
|