;------------------------------------------------------------------------------ ; ; Hello, world !! for FreeBSD with JWasm's BIN format. ; Written by Ito Toshimitsu. ; ; > jwasm -q -bin -Fo=FreeBSD1. FreeBSD1.asm ; > chmod 755 FreeBSD1 ; ; How to: ; 1. file elf32.inc must be included. ; 2. Macro 'elf32_header' is to be put before start label '_start'. ; 3. Macro 'elf32_footer' is to be put before last 'end _start'. ; ; Restrictions: ; - It is only one section. ; - Start label is '_start'. ;------------------------------------------------------------------------------ .386 .model flat include elf32.inc .code elf32_header ELF_FreeBSD _start: push sizeof msg push offset msg push 1 ; stdout mov eax, 4 ; sys_write push 0 ; dummy argument int 080h xor eax, eax ; sys_exit int 080h msg db 'Hello World !!', 0ah elf32_footer end _start |