mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-30 07:32:45 +00:00
86 lines
2.6 KiB
Go
86 lines
2.6 KiB
Go
|
// Derived from Inferno utils/6l/obj.c and utils/6l/span.c
|
||
|
|
// https://bitbucket.org/inferno-os/inferno-os/src/master/utils/6l/obj.c
|
||
|
|
// https://bitbucket.org/inferno-os/inferno-os/src/master/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
|
||
|
|
|
||
|
|
/*
|
||
|
|
* add library to library list.
|
||
|
|
* srcref: src file referring to package
|
||
|
|
* objref: object file referring to package
|
||
|
|
* file: object file, e.g., /home/rsc/go/pkg/container/vector.a
|
||
|
|
* pkg: package import path, e.g. container/vector
|
||
|
|
*/
|
||
|
|
|
||
|
|
const (
|
||
|
|
LOG = 5
|
||
|
|
)
|
||
|
|
|
||
|
|
func mkfwd(sym *LSym) {
|
||
|
|
var dwn [LOG]int32
|
||
|
|
var cnt [LOG]int32
|
||
|
|
var lst [LOG]*Prog
|
||
|
|
|
||
|
|
for i := 0; i < LOG; i++ {
|
||
|
|
if i == 0 {
|
||
|
|
cnt[i] = 1
|
||
|
|
} else {
|
||
|
|
cnt[i] = LOG * cnt[i-1]
|
||
|
|
}
|
||
|
|
dwn[i] = 1
|
||
|
|
lst[i] = nil
|
||
|
|
}
|
||
|
|
|
||
|
|
i := 0
|
||
|
|
for p := sym.Func.Text; p != nil && p.Link != nil; p = p.Link {
|
||
|
|
i--
|
||
|
|
if i < 0 {
|
||
|
|
i = LOG - 1
|
||
|
|
}
|
||
|
|
p.Forwd = nil
|
||
|
|
dwn[i]--
|
||
|
|
if dwn[i] <= 0 {
|
||
|
|
dwn[i] = cnt[i]
|
||
|
|
if lst[i] != nil {
|
||
|
|
lst[i].Forwd = p
|
||
|
|
}
|
||
|
|
lst[i] = p
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func Appendp(q *Prog, newprog ProgAlloc) *Prog {
|
||
|
|
p := newprog()
|
||
|
|
p.Link = q.Link
|
||
|
|
q.Link = p
|
||
|
|
p.Pos = q.Pos
|
||
|
|
return p
|
||
|
|
}
|