Add elf.fspec

Needs union support to be implemented fully.

1 files changed, 26 insertions, 0 deletions

diff --git a/spec/elf.fspec b/spec/elf.fspec
new file mode 100644
index 0000000..d107f85
--- /dev/null
+++ b/spec/elf.fspec
@@ -0,0 +1,26 @@
+struct elf64 {
+   e_entry: u64;
+   e_phoff: u64;
+   e_shoff: u64;
+};
+
+struct elf {
+   ei_magic: u8[4] | matches('\x7fELF') str;
+   ei_class: u8 hex; // word size
+   ei_data: u8 hex; // endianess
+   ei_version: u8;
+   ei_osabi: u8;
+   ei_abi_version: u8;
+   padding: u8[7] nul;
+   e_type: u16 hex;
+   e_machine: u16 hex;
+   e_version: u32;
+   elf64: struct elf64; // fspec needs union to parse ei_class != 2 type
+   e_flags: u32 hex;
+   e_ehsz: u16;
+   e_phentsize: u16;
+   e_phnum: u16;
+   e_shentsize: u16;
+   e_shnum: u16;
+   e_shstrndx: u16;
+};