cmd/compile: export the Func.Endlineno field

This CL exports the Func.Endlineno value for inlineable functions.
It is needed to grab the source code of an imported function
inlined into the function specified in $GOSSAFUNC.

See CL 126606 for details.

Updates #25904

Change-Id: I1e259e20445e4109b4621a95abb5bde1be457af1
Reviewed-on: https://go-review.googlesource.com/126605
Run-TryBot: Yury Smolsky <yury@smolsky.by>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>

diff --git a/src/cmd/compile/internal/gc/iexport.go b/src/cmd/compile/internal/gc/iexport.go
index 5ce284dc732ccc708ae1934e360363f8ccd1f3af..3007c9cabfa57e5c1956a0364067475e3e7ad8fe 100644 (file)
--- a/src/cmd/compile/internal/gc/iexport.go
+++ b/src/cmd/compile/internal/gc/iexport.go
@@ -952,6 +952,16 @@ func (w *exportWriter) funcExt(n *Node) {
                if n.Func.ExportInline() {
                        w.p.doInline(n)
                }
+
+               // Endlineno for inlined function.
+               if n.Name.Defn != nil {
+                       w.pos(n.Name.Defn.Func.Endlineno)
+               } else {
+                       // When the exported node was defined externally,
+                       // e.g. io exports atomic.(*Value).Load or bytes exports errors.New.
+                       // Keep it as we don't distinguish this case in iimport.go.
+                       w.pos(n.Func.Endlineno)
+               }
        } else {
                w.uint64(0)
        }

diff --git a/src/cmd/compile/internal/gc/iimport.go b/src/cmd/compile/internal/gc/iimport.go
index 21151b52159e1a3e3484f35a11837a3d6577bfe3..6f0fd6b6d27694593704ac86b94bbdf689030ec5 100644 (file)
--- a/src/cmd/compile/internal/gc/iimport.go
+++ b/src/cmd/compile/internal/gc/iimport.go
@@ -679,6 +679,7 @@ func (r *importReader) funcExt(n *Node) {
                n.Func.Inl = &Inline{
                        Cost: int32(u - 1),
                }
+               n.Func.Endlineno = r.pos()
        }
 }