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- /*
- * Copyright (C) 2002-2003 David McCullough <davidm@snapgear.com>
- * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>
- * The Silver Hammer Group, Ltd.
- *
- * This file provides the definitions and structures needed to
- * support uClinux flat-format executables.
- */
- #ifndef _LINUX_FLAT_H
- #define _LINUX_FLAT_H
- #define FLAT_VERSION 0x00000004L
- #ifdef CONFIG_BINFMT_SHARED_FLAT
- #define MAX_SHARED_LIBS (4)
- #else
- #define MAX_SHARED_LIBS (1)
- #endif
- /*
- * To make everything easier to port and manage cross platform
- * development, all fields are in network byte order.
- */
- struct flat_hdr {
- char magic[4];
- unsigned long rev; /* version (as above) */
- unsigned long entry; /* Offset of first executable instruction
- with text segment from beginning of file */
- unsigned long data_start; /* Offset of data segment from beginning of
- file */
- unsigned long data_end; /* Offset of end of data segment
- from beginning of file */
- unsigned long bss_end; /* Offset of end of bss segment from beginning
- of file */
- /* (It is assumed that data_end through bss_end forms the bss segment.) */
- unsigned long stack_size; /* Size of stack, in bytes */
- unsigned long reloc_start; /* Offset of relocation records from
- beginning of file */
- unsigned long reloc_count; /* Number of relocation records */
- unsigned long flags;
- unsigned long build_date; /* When the program/library was built */
- unsigned long filler[5]; /* Reservered, set to zero */
- };
- #define FLAT_FLAG_RAM 0x0001 /* load program entirely into RAM */
- #define FLAT_FLAG_GOTPIC 0x0002 /* program is PIC with GOT */
- #define FLAT_FLAG_GZIP 0x0004 /* all but the header is compressed */
- #define FLAT_FLAG_GZDATA 0x0008 /* only data/relocs are compressed (for XIP) */
- #define FLAT_FLAG_KTRACE 0x0010 /* output useful kernel trace for debugging */
- #endif /* _LINUX_FLAT_H */
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