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[dev.cc] cmd/internal/obj: reconvert from liblink

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Using rsc.io/c2go repo revision 60c9302.

- Export a few symbols needed by assemblers.
- Implement Getgoroot etc directly, and add Getgoversion.
- Removes dependency on Go 1.4 go/build.
- Change magic history name <no name> to <pop>

The <pop> change requires adjustment to the liblink serializer.

Change-Id: If5fb52ac9e91d50805263070b3fc5cc05d8b7632
Reviewed-on: https://go-review.googlesource.com/3141
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
This commit is contained in:
Russ Cox 2015-01-21 12:27:36 -05:00
parent a8e5e803e6
commit 24dfaba6d1
3 changed files with 25 additions and 19 deletions
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12
src/cmd/internal/obj/obj.go
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@ -37,7 +37,7 @@ func linklinefmt(ctxt *Link, lno0 int, showAll, showFullPath bool) string {
if lno < h.Line {
break
}
if h.Name != "<no name>" {
if h.Name != "<pop>" {
if h.Offset > 0 {
// #line directive
if n > 0 && n < int(HISTSZ) {
@ -148,7 +148,7 @@ func linkgetline(ctxt *Link, line int32, f **LSym, l *int32) {
if lno < h.Line {
break
}
if h.Name != "<no name>" {
if h.Name != "<pop>" {
if h.Offset > 0 {
// #line directive
if n > 0 && n < HISTSZ {
@ -214,7 +214,7 @@ func linkgetline(ctxt *Link, line int32, f **LSym, l *int32) {
*l = lno
}
func linklinehist(ctxt *Link, lineno int, f string, offset int) {
func Linklinehist(ctxt *Link, lineno int, f string, offset int) {
var h *Hist
if false { // debug['f']
@ -247,7 +247,7 @@ func linklinehist(ctxt *Link, lineno int, f string, offset int) {
ctxt.Ehist = h
}
func linkprfile(ctxt *Link, line int) {
func Linkprfile(ctxt *Link, line int) {
l := int32(line)
var i int
var n int
@ -259,7 +259,7 @@ func linkprfile(ctxt *Link, line int) {
if l < h.Line {
break
}
if h.Name != "<no name>" {
if h.Name != "<pop>" {
if h.Offset == 0 {
if n >= 0 && n < HISTSZ {
a[n] = *h
@ -296,7 +296,7 @@ func linkprfile(ctxt *Link, line int) {
/*
* start a new Prog list.
*/
func linknewplist(ctxt *Link) *Plist {
func Linknewplist(ctxt *Link) *Plist {
var pl *Plist