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|
local fmt = require("elf.fmt")
local M = {}
---@alias Magic [integer, integer, integer, integer]
---@class Header
---@field magic Magic
---@field class Class
---@field data Endian
---@field ident_version integer
---@field osabi Osabi
---@field abiversion integer
---@field type Type
---@field machine Machine
---@field version integer
---@field entry integer
---@field phoff integer
---@field shoff integer
---@field flags integer
---@field ehsize integer
---@field phentsize? integer
---@field phnum? integer
---@field shentsize integer
---@field shnum integer
---@field shstrndx integer
---@param hdr Header
---@return string
---@nodiscard
function M.pack(hdr)
return string.pack("BBBBBBBBBxxxxxxx" ..
fmt.endian(hdr.data) ..
"I2I2I4" ..
string.rep(fmt.word(hdr.class), 3) ..
"I4I2I2I2I2I2I2",
hdr.magic[1], hdr.magic[2], hdr.magic[3], hdr.magic[4],
hdr.class,
hdr.data,
hdr.ident_version,
hdr.osabi,
hdr.abiversion,
hdr.type,
hdr.machine,
hdr.version,
hdr.entry,
hdr.phoff,
hdr.shoff,
hdr.flags,
hdr.ehsize,
hdr.phentsize,
hdr.phnum,
hdr.shentsize,
hdr.shnum,
hdr.shstrndx)
end
return M
|
