Various cleanups.

src/elf_sections.rs

@@ -45,7 +45,7 @@ impl ElfSectionsTag {
     }
 }
 
-#[derive(Clone)]
+#[derive(Clone, Debug)]
 pub struct ElfSectionIter {
     current_section: *const u8,
     remaining_sections: u32,
@@ -78,14 +78,15 @@ impl Iterator for ElfSectionIter {
     }
 }
 
+#[derive(Debug)]
 pub struct ElfSection {
     inner: *const u8,
     string_section: *const u8,
     entry_size: u32,
 }
 
 #[derive(Debug)]
-#[repr(C)]
+#[repr(C, packed)]
 struct ElfSectionInner32 {
     name_index: u32,
     typ: u32,
@@ -100,7 +101,7 @@ struct ElfSectionInner32 {
 }
 
 #[derive(Debug)]
-#[repr(C)]
+#[repr(C, packed)]
 struct ElfSectionInner64 {
     name_index: u32,
     typ: u32,

src/header.rs

@@ -1,10 +1,12 @@
-#[repr(C)]
+#[derive(Debug)]
+#[repr(C, packed)]
 pub struct Tag {
     pub typ: u32,
     pub size: u32,
     // tag specific fields
 }
 
+#[derive(Debug)]
 pub struct TagIter {
     pub current: *const Tag,
 }

src/lib.rs

@@ -1,5 +1,7 @@
 #![no_std]
 
+#![deny(missing_debug_implementations)]
+
 use core::fmt;
 
 use header::{Tag, TagIter};
@@ -33,7 +35,7 @@ pub struct BootInformation {
     inner: *const BootInformationInner,
 }
 
-#[repr(C)]
+#[repr(C, packed)]
 struct BootInformationInner {
     total_size: u32,
     _reserved: u32,

src/module.rs

@@ -1,7 +1,7 @@
 use header::{Tag, TagIter};
 
-#[repr(packed)]
 #[derive(Debug)]
+#[repr(C, packed)]
 pub struct ModuleTag {
     typ: u32,
     size: u32,
@@ -36,6 +36,7 @@ pub fn module_iter(iter: TagIter) -> ModuleIter {
     ModuleIter { iter: iter }
 }
 
+#[derive(Debug)]
 pub struct ModuleIter {
     iter: TagIter,
 }