-
-/* Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>
- * The Silver Hammer Group, Ltd.
+/*
+ * Copyright (C) 2002-2005 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.
+ *
+ * This is Free Software, under the GNU Public Licence v2 or greater.
*
*/
#ifndef _LINUX_FLAT_H
#define _LINUX_FLAT_H
+#ifdef __KERNEL__
+#include <linux/types.h>
+#include <asm/flat.h>
+#endif
+
#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 filler[6]; /* Reservered, set to zero */
+ char magic[4];
+ uint32_t rev; /* version (as above) */
+ uint32_t entry; /* Offset of first executable instruction
+ with text segment from beginning of file */
+ uint32_t data_start; /* Offset of data segment from beginning of
+ file */
+ uint32_t data_end; /* Offset of end of data segment from beginning
+ of file */
+ uint32_t 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.) */
+
+ uint32_t stack_size; /* Size of stack, in bytes */
+ uint32_t reloc_start; /* Offset of relocation records from beginning
+ of file */
+ uint32_t reloc_count; /* Number of relocation records */
+ uint32_t flags;
+ uint32_t build_date; /* When the program/library was built */
+ uint32_t 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 */
+#define FLAT_FLAG_L1STK 0x0020 /* use a 4k stack in L1 scratch memory. */
#ifdef __KERNEL__ /* so systems without linux headers can compile the apps */
/*
#include <asm/byteorder.h>
-#define OLD_FLAT_VERSION 0x00000002L
+#define OLD_FLAT_VERSION 0x00000002L
#define OLD_FLAT_RELOC_TYPE_TEXT 0
#define OLD_FLAT_RELOC_TYPE_DATA 1
#define OLD_FLAT_RELOC_TYPE_BSS 2
typedef union {
- unsigned long value;
- struct {
+ uint32_t value;
+ struct {
# if defined(mc68000) && !defined(CONFIG_COLDFIRE)
- signed long offset : 30;
- unsigned long type : 2;
+ int32_t offset : 30;
+ uint32_t type : 2;
# define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */
# elif defined(__BIG_ENDIAN_BITFIELD)
- unsigned long type : 2;
- signed long offset : 30;
+ uint32_t type : 2;
+ int32_t offset : 30;
# define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */
# elif defined(__LITTLE_ENDIAN_BITFIELD)
- signed long offset : 30;
- unsigned long type : 2;
+ int32_t offset : 30;
+ uint32_t type : 2;
# define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */
# else
# error "Unknown bitfield order for flat files."
# endif
- } reloc;
+ } reloc;
} flat_v2_reloc_t;
-#endif
+#endif /* __KERNEL__ */
#endif /* _LINUX_FLAT_H */
+
+/* this __MUST__ be at the VERY end of the file - do NOT move!!
+ * Local Variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * end:
+ * vi: tabstop=8 shiftwidth=4 textwidth=79 noexpandtab
+ */
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