1 /* 2 * Copyright (C) 2002-2003 David McCullough <davidm@snapgear.com> 3 * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com> 4 * The Silver Hammer Group, Ltd. 5 * 6 * This file provides the definitions and structures needed to 7 * support uClinux flat-format executables. 8 */ 9 #ifndef _LINUX_FLAT_H 10 #define _LINUX_FLAT_H 11 12 #include <asm/flat.h> 13 #include <uapi/linux/flat.h> 14 15 /* 16 * While it would be nice to keep this header clean, users of older 17 * tools still need this support in the kernel. So this section is 18 * purely for compatibility with old tool chains. 19 * 20 * DO NOT make changes or enhancements to the old format please, just work 21 * with the format above, except to fix bugs with old format support. 22 */ 23 24 #include <asm/byteorder.h> 25 26 #define OLD_FLAT_VERSION 0x00000002L 27 #define OLD_FLAT_RELOC_TYPE_TEXT 0 28 #define OLD_FLAT_RELOC_TYPE_DATA 1 29 #define OLD_FLAT_RELOC_TYPE_BSS 2 30 31 typedef union { 32 unsigned long value; 33 struct { 34 # if defined(mc68000) && !defined(CONFIG_COLDFIRE) 35 signed long offset : 30; 36 unsigned long type : 2; 37 # define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */ 38 # elif defined(__BIG_ENDIAN_BITFIELD) 39 unsigned long type : 2; 40 signed long offset : 30; 41 # define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */ 42 # elif defined(__LITTLE_ENDIAN_BITFIELD) 43 signed long offset : 30; 44 unsigned long type : 2; 45 # define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */ 46 # else 47 # error "Unknown bitfield order for flat files." 48 # endif 49 } reloc; 50 } flat_v2_reloc_t; 51 52 #endif /* _LINUX_FLAT_H */ 53