mirror of https://github.com/flysand7/ciabatta.git
26 lines
480 B
NASM
26 lines
480 B
NASM
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bits 64
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segment .text
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global __chkstk
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__chkstk:
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sub rsp, 0x10
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mov [rsp], r10
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mov [rsp+0x8], r11
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xor r11, r11
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lea r10, [rsp+0x18]
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sub r10, rax
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cmovb r10, r11
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mov r11, gs:[0x10]
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cmp r10, r11
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jnb .end
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and r10w, 0xf000
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.loop:
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lea r11, [r11-0x1000]
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mov byte [r11], 0x0
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cmp r10, r11
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jnz .loop
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.end:
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mov r10, [rsp]
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mov r11, [rsp+0x8]
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add rsp, 0x10
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ret
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