1 2#------------------------------------------------------------------------------ 3# $File: aout,v 1.1 2013/01/09 22:37:23 christos Exp $ 4# aout: file(1) magic for a.out executable/object/etc entries that 5# handle executables on multiple platforms. 6# 7 8# 9# Little-endian 32-bit-int a.out, merged from bsdi (for BSD/OS, from 10# BSDI), netbsd, and vax (for UNIX/32V and BSD) 11# 12# XXX - is there anything we can look at to distinguish BSD/OS 386 from 13# NetBSD 386 from various VAX binaries? The BSD/OS shared library flag 14# works only for binaries using shared libraries. Grabbing the entry 15# point from the a.out header, using it to find the first code executed 16# in the program, and looking at that might help. 17# 180 lelong 0407 a.out little-endian 32-bit executable 19>16 lelong >0 not stripped 20>32 byte 0x6a (uses BSD/OS shared libs) 21 220 lelong 0410 a.out little-endian 32-bit pure executable 23>16 lelong >0 not stripped 24>32 byte 0x6a (uses BSD/OS shared libs) 25 260 lelong 0413 a.out little-endian 32-bit demand paged pure executable 27>16 lelong >0 not stripped 28>32 byte 0x6a (uses BSD/OS shared libs) 29 30# 31# Big-endian 32-bit-int a.out, merged from sun (for old 68010 SunOS a.out), 32# mips (for old 68020(!) SGI a.out), and netbsd (for old big-endian a.out). 33# 34# XXX - is there anything we can look at to distinguish old SunOS 68010 35# from old 68020 IRIX from old NetBSD? Again, I guess we could look at 36# the first instruction or instructions in the program. 37# 380 belong 0407 a.out big-endian 32-bit executable 39>16 belong >0 not stripped 40 410 belong 0410 a.out big-endian 32-bit pure executable 42>16 belong >0 not stripped 43 440 belong 0413 a.out big-endian 32-bit demand paged executable 45>16 belong >0 not stripped 46 47