2 /* Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>
3 * The Silver Hammer Group, Ltd.
10 #define FLAT_VERSION 0x00000004L
13 * To make everything easier to port and manage cross platform
14 * development, all fields are in network byte order.
19 unsigned long rev; /* version (as above) */
20 unsigned long entry; /* Offset of first executable instruction
21 with text segment from beginning of file */
22 unsigned long data_start; /* Offset of data segment from beginning of
24 unsigned long data_end; /* Offset of end of data segment
25 from beginning of file */
26 unsigned long bss_end; /* Offset of end of bss segment from beginning
29 /* (It is assumed that data_end through bss_end forms the bss segment.) */
31 unsigned long stack_size; /* Size of stack, in bytes */
32 unsigned long reloc_start; /* Offset of relocation records from
34 unsigned long reloc_count; /* Number of relocation records */
36 unsigned long filler[6]; /* Reservered, set to zero */
39 #define FLAT_FLAG_RAM 0x0001 /* load program entirely into RAM */
40 #define FLAT_FLAG_GOTPIC 0x0002 /* program is PIC with GOT */
41 #define FLAT_FLAG_GZIP 0x0004 /* all but the header is compressed */
42 #define FLAT_FLAG_GZDATA 0x0008 /* only data/relocs are compressed (for XIP) */
45 #ifdef __KERNEL__ /* so systems without linux headers can compile the apps */
47 * While it would be nice to keep this header clean, users of older
48 * tools still need this support in the kernel. So this section is
49 * purely for compatibility with old tool chains.
51 * DO NOT make changes or enhancements to the old format please, just work
52 * with the format above, except to fix bugs with old format support.
55 #include <asm/byteorder.h>
57 #define OLD_FLAT_VERSION 0x00000002L
58 #define OLD_FLAT_RELOC_TYPE_TEXT 0
59 #define OLD_FLAT_RELOC_TYPE_DATA 1
60 #define OLD_FLAT_RELOC_TYPE_BSS 2
65 # if defined(mc68000) && !defined(CONFIG_COLDFIRE)
66 signed long offset : 30;
67 unsigned long type : 2;
68 # define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */
69 # elif defined(__BIG_ENDIAN_BITFIELD)
70 unsigned long type : 2;
71 signed long offset : 30;
72 # define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */
73 # elif defined(__LITTLE_ENDIAN_BITFIELD)
74 signed long offset : 30;
75 unsigned long type : 2;
76 # define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */
78 # error "Unknown bitfield order for flat files."
85 #endif /* _LINUX_FLAT_H */