Pin dependency github.com/cilium/ebpf

Use same as opencontainers/runc

vendor/github.com/cilium/ebpf/linker.go

@@ -2,35 +2,23 @@ package ebpf
 
 import (
 	"github.com/cilium/ebpf/asm"
-	"github.com/cilium/ebpf/internal/btf"
-	"github.com/pkg/errors"
 )
 
 // link resolves bpf-to-bpf calls.
 //
-// Each library may contain multiple functions / labels, and is only linked
+// Each section may contain multiple functions / labels, and is only linked
 // if the program being edited references one of these functions.
 //
-// Libraries must not require linking themselves.
-func link(prog *ProgramSpec, libs []*ProgramSpec) error {
-	for _, lib := range libs {
-		insns, err := linkSection(prog.Instructions, lib.Instructions)
+// Sections must not require linking themselves.
+func link(insns asm.Instructions, sections ...asm.Instructions) (asm.Instructions, error) {
+	for _, section := range sections {
+		var err error
+		insns, err = linkSection(insns, section)
 		if err != nil {
-			return errors.Wrapf(err, "linking %s", lib.Name)
-		}
-
-		if len(insns) == len(prog.Instructions) {
-			continue
-		}
-
-		prog.Instructions = insns
-		if prog.BTF != nil && lib.BTF != nil {
-			if err := btf.ProgramAppend(prog.BTF, lib.BTF); err != nil {
-				return errors.Wrapf(err, "linking BTF of %s", lib.Name)
-			}
+			return nil, err
 		}
 	}
-	return nil
+	return insns, nil
 }
 
 func linkSection(insns, section asm.Instructions) (asm.Instructions, error) {