1 files changed, 45 insertions, 35 deletions
diff --git a/spec/elf.fspec b/spec/elf.fspec
index 85c4fe7..2776c65 100644
--- a/spec/elf.fspec
+++ b/spec/elf.fspec
@@ -1,37 +1,47 @@
-enum {
-   CLASS_NONE,
-   CLASS_32,
-   CLASS_64
-};
-
 struct elf {
-   u8 ei_magic[4] | matches('\x7fELF') str;
-   u8 ei_class hex; // word size
-   u8 ei_data hex; // endianess
-   u8 ei_version;
-   u8 ei_osabi;
-   u8 ei_abi_version;
-   u8 padding[7] nul;
-   u16 e_type hex;
-   u16 e_machine hex;
-   u32 e_version;
-   select (ei_class) {
-      CLASS_32) struct {
-            u32 e_entry hex;
-            u32 e_phoff;
-            u32 e_shoff;
-         } elf32;
-      CLASS_64) struct {
-            u64 e_entry hex;
-            u64 e_phoff;
-            u64 e_shoff;
-         } elf64;
-   } arch;
-   u32 e_flags hex;
-   u16 e_ehsz;
-   u16 e_phentsize;
-   u16 e_phnum;
-   u16 e_shentsize;
-   u16 e_shnum;
-   u16 e_shstrndx;
+   struct {
+      u8 ei_magic[4] | matches('\x7fELF') str;
+      enum {
+         CLASS_32 = 1,
+         CLASS_64
+      } u8 ei_class hex; // word size
+      enum {
+         ENDIANESS_LE = 1,
+         ENDIANESS_BE
+      } u8 ei_data hex; // endianess
+      u8 ei_version;
+      u8 ei_osabi;
+      u8 ei_abi_version;
+      u8 padding[7] nul;
+   } header;
+
+   struct body {
+      u16 e_type hex;
+      u16 e_machine hex;
+      u32 e_version;
+      select (header.ei_class) {
+         header.CLASS_32) struct {
+               u32 e_entry hex;
+               u32 e_phoff;
+               u32 e_shoff;
+            } elf32;
+         header.CLASS_64) struct {
+               u64 e_entry hex;
+               u64 e_phoff;
+               u64 e_shoff;
+            } elf64;
+      } arch;
+      u32 e_flags hex;
+      u16 e_ehsz;
+      u16 e_phentsize;
+      u16 e_phnum;
+      u16 e_shentsize;
+      u16 e_shnum;
+      u16 e_shstrndx;
+   };
+
+   select (header.ei_class) {
+      1) struct body le | endianess('le');
+      2) struct body be | endianess('be');
+   } body;
 };