Relocate interpreter to match libc

pkg/relocator/relocator.go

@@ -111,19 +111,43 @@ func relocateELFBinary(prefix, dest, src string) error {
 		}
 	}
 
+	var interpreter string
+	// Get the interpreter using "patchelf --print-interpreter"
+	interpOut, err := exec.Command("patchelf", "--print-interpreter", src).Output()
+	if err == nil {
+		interpreter = strings.TrimSpace(string(interpOut)) // Trim any whitespace or newlines
+
+		RelocateFile(prefix, interpreter)
+	} else {
+		interpreter = ""
+	}
+
 	// Aggregate the directories into a colon-separated rpath
 	var dirList []string
 	for dir := range dirSet {
 		dirList = append(dirList, filepath.Join(prefix, dir))
 	}
+
+	// If an interpreter was found, relocate it
+	if interpreter != "" {
+		newInterpPath := filepath.Join(prefix, interpreter)
+		if _, err := exec.Command("patchelf", "--set-interpreter", newInterpPath, dest).Output(); err != nil {
+			return fmt.Errorf("failed to update interpreter for %s: %v", dest, err)
+		}
+		fmt.Printf("Relocated interpreter from %s to %s\n", interpreter, newInterpPath)
+	}
+
 	rpath := strings.Join(dirList, ":")
 
+	if rpath != "" {
 		// Update the ELF binary's rpath using patchelf
 		if _, err := exec.Command("patchelf", "--set-rpath", rpath, dest).Output(); err != nil {
 			return fmt.Errorf("failed to update rpath for %s: %v", dest, err)
 		}
 
 		fmt.Printf("Relocated binary %s to %s with rpath: %s\n", src, dest, rpath)
+	}
+
 	return nil
 }