THUNK              12 arch/x86/entry/thunk_32.S 	.macro THUNK name, func, put_ret_addr_in_eax=0
THUNK              14 arch/x86/entry/thunk_64.S 	.macro THUNK name, func, put_ret_addr_in_rdi=0
THUNK              11 arch/x86/lib/retpoline.S .macro THUNK reg