123413Smckusick /* 2*29024Smckusick * Copyright (c) 1982, 1986 Regents of the University of California. 323413Smckusick * All rights reserved. The Berkeley software License Agreement 423413Smckusick * specifies the terms and conditions for redistribution. 523413Smckusick * 6*29024Smckusick * @(#)exec.h 7.1 (Berkeley) 06/04/86 723413Smckusick */ 816744Ssam 916744Ssam /* 1016744Ssam * Header prepended to each a.out file. 1116744Ssam */ 1216744Ssam struct exec { 1316744Ssam long a_magic; /* magic number */ 1416744Ssam unsigned long a_text; /* size of text segment */ 1516744Ssam unsigned long a_data; /* size of initialized data */ 1616744Ssam unsigned long a_bss; /* size of uninitialized data */ 1716744Ssam unsigned long a_syms; /* size of symbol table */ 1816744Ssam unsigned long a_entry; /* entry point */ 1916744Ssam unsigned long a_trsize; /* size of text relocation */ 2016744Ssam unsigned long a_drsize; /* size of data relocation */ 2116744Ssam }; 2216744Ssam 2316744Ssam #define OMAGIC 0407 /* old impure format */ 2416744Ssam #define NMAGIC 0410 /* read-only text */ 2516744Ssam #define ZMAGIC 0413 /* demand load format */ 26