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; assembles with nasm to an 70-byte ELF binary that works on x86 Linux
; is 64 bytes possible???
bits 32
org $0d470000
db $7F,"ELF" ; e_ident
dd 1 ; p_type
dd 0 ; p_offset
dd $$ ; p_vaddr
dw 2 ; e_type, p_paddr
dw 3 ; e_machine
dd entry ; e_version, p_filesz
dw (entry-$$)&0xffff ; e_entry, p_memsz
entry:
inc edi
main:
; print
or eax, strict dword 4
mov edx,esp
sub edx,ecx
inc edx
mov bl,1
int 0x80
push $00010020
mov ecx,esp
mov eax,edi
; update fibbo
add edi,esi
xchg esi,eax
mov bl,10
format:
cdq
div ebx ; SIGFPE on overflow
or edx,'0'
dec ecx
mov [ecx],dl
test eax,eax
jnz format
jmp main
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