Print kernel ELF sections

src/lib.rs

@@ -27,6 +27,15 @@ pub extern fn rust_main(multiboot_information_address: usize) {
             area.base_addr, area.length);
     }
 
+    let elf_sections_tag = boot_info.elf_sections_tag()
+        .expect("Elf-sections tag required");
+
+    println!("kernel sections:");
+    for section in elf_sections_tag.sections() {
+        println!("    addr: 0x{:x}, size: 0x{:x}, flags: 0x{:x}",
+            section.addr, section.size, section.flags);
+    }
+
     loop{}
 }