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section .text
extern _MessageBoxA@16
%if __NASM_VERSION_ID__ >= 0x02030000
safeseh handler ; register handler as "safe handler"
%endif
handler:
push dword 1 ; MB_OKCANCEL
push dword caption
push dword text
push dword 0
call _MessageBoxA@16
sub eax,1 ; incidentally suits as return value
; for exception handler
ret
global _main
_main: push dword handler
push dword [fs:0]
mov dword [fs:0], esp
xor eax,eax
mov eax, dword[eax] ; cause exception
pop dword [fs:0] ; disengage exception handler
add esp, 4
ret
avx2: vzeroupper
push rbx
mov rbx, rsp
sub rsp, 0h20
vmovdqa ymm0, [rcx]
vpaddb ymm0, [rdx]
leave
ret
text: db 'OK to rethrow, CANCEL to generate core dump',0
caption:db 'SEGV',0
section .drectve info
db '/defaultlib:user32.lib /defaultlib:msvcrt.lib '
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