gopls: Implement reference jumping between Go functions and assembly functions.

This commit modifies the addition of reference relationships in assembly files within the references file.

Updates golang/go#71754

Author: groot-guo

gopls/internal/cache/package.go

@@ -214,3 +214,7 @@ func (p *Package) ParseErrors() []scanner.ErrorList {
 func (p *Package) TypeErrors() []types.Error {
 	return p.pkg.typeErrors
 }
+
+func (p *Package) AsmFiles() []*asm.File {
+	return p.pkg.asmFiles
+}

gopls/internal/cache/xrefs/xrefs.go

@@ -117,6 +117,9 @@ func Index(files []*parsego.File, pkg *types.Package, info *types.Info, asmFiles
 	for fileIndex, af := range asmFiles {
 		for _, id := range af.Idents {
 			_, name, ok := morestrings.CutLast(id.Name, ".")
+			if !ok {
+				continue
+			}
 			if id.Kind != asm.Text {
 				continue
 			}

gopls/internal/golang/references.go

@@ -32,6 +32,8 @@ import (
 	"golang.org/x/tools/gopls/internal/cache/parsego"
 	"golang.org/x/tools/gopls/internal/file"
 	"golang.org/x/tools/gopls/internal/protocol"
+	"golang.org/x/tools/gopls/internal/util/asm"
+	"golang.org/x/tools/gopls/internal/util/morestrings"
 	"golang.org/x/tools/gopls/internal/util/safetoken"
 	"golang.org/x/tools/internal/event"
 )
@@ -609,6 +611,29 @@ func localReferences(pkg *cache.Package, targets map[types.Object]bool, correspo
 			}
 		}
 	}
+
+	for _, pgf := range pkg.AsmFiles() {
+		for _, id := range pgf.Idents {
+			_, name, ok := morestrings.CutLast(id.Name, ".")
+			if !ok {
+				continue
+			}
+			if id.Kind != asm.Text {
+				continue
+			}
+			obj := pkg.Types().Scope().Lookup(name)
+			if obj == nil {
+				continue
+			}
+			if rng, err := pgf.NodeRange(id); err == nil && matches(obj) {
+				asmLocation := protocol.Location{
+					URI:   pgf.URI,
+					Range: rng,
+				}
+				report(asmLocation, false)
+			}
+		}
+	}
 	return nil
 }