diff --git a/elfio/elf_types.hpp b/elfio/elf_types.hpp
index 63d025a58e165bdaeaf5319bd44e4f2962e2733a..7ea1c5ce5906b781408322a2033364db8a2fd4ab 100644
--- a/elfio/elf_types.hpp
+++ b/elfio/elf_types.hpp
@@ -314,6 +314,10 @@ typedef uint64_t Elf64_Off;
 #define EM_CEVA          245 // CEVA Processor Architecture Family
 #define EM_CEVA_X2       246 // CEVA X2 Processor Family
 #define EM_BPF           247 // Linux BPF – in-kernel virtual machine
+#define EM_GRAPHCORE_IPU 248 // Graphcore Intelligent Processing Unit
+#define EM_IMG1          249 // Imagination Technologies
+#define EM_NFP           250 // Netronome Flow Processor (P)
+#define EM_CSKY          252 // C-SKY processor family
 
 // File version
 #define EV_NONE    0
diff --git a/elfio/elfio_dynamic.hpp b/elfio/elfio_dynamic.hpp
index 42f26805bf51d40ffd0d8da386a9d6b5f84a0e73..3d35381a2fbaf8c238d233aa15cef79ff2003b6d 100644
--- a/elfio/elfio_dynamic.hpp
+++ b/elfio/elfio_dynamic.hpp
@@ -249,7 +249,7 @@ class dynamic_section_accessor_template
     S*           dynamic_section;
 };
 
-using dynamic_section_accessor = dynamic_section_accessor_template<section>;
+using dynamic_section_accessor       = dynamic_section_accessor_template<section>;
 using const_dynamic_section_accessor = dynamic_section_accessor_template<const section>;
 
 } // namespace ELFIO
diff --git a/elfio/elfio_note.hpp b/elfio/elfio_note.hpp
index 06b2817443bf1936dd16530e4d1157b4fd696975..34b1de3eb014531f0840a6bc714e500da9aab069 100644
--- a/elfio/elfio_note.hpp
+++ b/elfio/elfio_note.hpp
@@ -164,7 +164,7 @@ class note_section_accessor_template
     std::vector<Elf_Xword> note_start_positions;
 };
 
-using note_section_accessor = note_section_accessor_template<section>;
+using note_section_accessor       = note_section_accessor_template<section>;
 using const_note_section_accessor = note_section_accessor_template<const section>;
 
 } // namespace ELFIO
diff --git a/elfio/elfio_relocation.hpp b/elfio/elfio_relocation.hpp
index 238598e97ba106a825ec0af956340c7f7c8477a0..2d2b3ee377f3eeb99f8e50dfc22ec8c71ffe740e 100644
--- a/elfio/elfio_relocation.hpp
+++ b/elfio/elfio_relocation.hpp
@@ -365,7 +365,7 @@ class relocation_section_accessor_template
     S*           relocation_section;
 };
 
-using relocation_section_accessor = relocation_section_accessor_template<section>;
+using relocation_section_accessor       = relocation_section_accessor_template<section>;
 using const_relocation_section_accessor = relocation_section_accessor_template<const section>;
 
 } // namespace ELFIO
diff --git a/elfio/elfio_strings.hpp b/elfio/elfio_strings.hpp
index 552f000294fa04d62654b6de7cc4eb4f4df50b20..702d82faf6dec58e472a746f1ee1c0ee2e8b39c7 100644
--- a/elfio/elfio_strings.hpp
+++ b/elfio/elfio_strings.hpp
@@ -92,7 +92,7 @@ class string_section_accessor_template
     S* string_section;
 };
 
-using string_section_accessor = string_section_accessor_template<section>;
+using string_section_accessor       = string_section_accessor_template<section>;
 using const_string_section_accessor = string_section_accessor_template<const section>;
 
 } // namespace ELFIO