[acme@quaco pahole]$ pahole elf64_hdr 
struct elf64_hdr {
	unsigned char              e_ident[16];          /*     0    16 */
	Elf64_Half                 e_type;               /*    16     2 */
	Elf64_Half                 e_machine;            /*    18     2 */
	Elf64_Word                 e_version;            /*    20     4 */
	Elf64_Addr                 e_entry;              /*    24     8 */
	Elf64_Off                  e_phoff;              /*    32     8 */
	Elf64_Off                  e_shoff;              /*    40     8 */
	Elf64_Word                 e_flags;              /*    48     4 */
	Elf64_Half                 e_ehsize;             /*    52     2 */
	Elf64_Half                 e_phentsize;          /*    54     2 */
	Elf64_Half                 e_phnum;              /*    56     2 */
	Elf64_Half                 e_shentsize;          /*    58     2 */
	Elf64_Half                 e_shnum;              /*    60     2 */
	Elf64_Half                 e_shstrndx;           /*    62     2 */

	/* size: 64, cachelines: 1, members: 14 */
};
[acme@quaco pahole]$ pahole elf64_hdr --count=1 < vmlinux 
{
	.e_ident = { 0x7f, 0x45, 0x4c, 0x46, 0x2, 0x1, 0x1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
	.e_type = 0x2,
	.e_machine = 0x3e,
	.e_version = 0x1,
	.e_entry = 0x1000000,
	.e_phoff = 0x40,
	.e_shoff = 0x2d73c868,
	.e_flags = 0,
	.e_ehsize = 0x40,
	.e_phentsize = 0x38,
	.e_phnum = 0x5,
	.e_shentsize = 0x40,
	.e_shnum = 0x50,
	.e_shstrndx = 0x4f,
},
[acme@quaco pahole]$