bits 64
segment .text
global __chkstk
__chkstk:
sub rsp, 0x10
mov [rsp], r10
mov [rsp+0x8], r11
xor r11, r11
lea r10, [rsp+0x18]
sub r10, rax
cmovb r10, r11
mov r11, gs:[0x10]
cmp r10, r11
jnb .end
and r10w, 0xf000
.loop:
lea r11, [r11-0x1000]
mov byte [r11], 0x0
jnz .loop
.end:
mov r10, [rsp]
mov r11, [rsp+0x8]
add rsp, 0x10
ret
