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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:23:18 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:23:18 +0000
commit43a123c1ae6613b3efeed291fa552ecd909d3acf (patch)
treefd92518b7024bc74031f78a1cf9e454b65e73665 /src/cmd/internal/obj/ld.go
parentInitial commit. (diff)
downloadgolang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.tar.xz
golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.zip
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/cmd/internal/obj/ld.go')
-rw-r--r--src/cmd/internal/obj/ld.go85
1 files changed, 85 insertions, 0 deletions
diff --git a/src/cmd/internal/obj/ld.go b/src/cmd/internal/obj/ld.go
new file mode 100644
index 0000000..5d6c000
--- /dev/null
+++ b/src/cmd/internal/obj/ld.go
@@ -0,0 +1,85 @@
+// 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
+}