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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2002-10-31 19:44:22 -0800
committerLinus Torvalds <torvalds@home.transmeta.com>2002-10-31 19:44:22 -0800
commitda11bc892fb88a66e4fe151a76eb0a82762116c9 (patch)
tree1c9f3825795cd869e33490389638c6d39283c440 /include/linux/flat.h
parentbe3e0ada7b264efa8714b1ff6203c2c29fcc61c5 (diff)
[PATCH] UCLINUX (forgot one) - header file for binfmt_flat
Diffstat (limited to 'include/linux/flat.h')
-rw-r--r--include/linux/flat.h83
1 files changed, 83 insertions, 0 deletions
diff --git a/include/linux/flat.h b/include/linux/flat.h
new file mode 100644
index 000000000000..6870eacdaaae
--- /dev/null
+++ b/include/linux/flat.h
@@ -0,0 +1,83 @@
+
+/* Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>
+ * The Silver Hammer Group, Ltd.
+ * Copyright (C) 2002 David McCullough <davidm@snapgear.com>
+ */
+
+#ifndef _LINUX_FLAT_H
+#define _LINUX_FLAT_H
+
+#define FLAT_VERSION 0x00000004L
+
+/*
+ * 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) */
+
+
+/*
+ * While it would be nice to keep this header clean, users of older
+ * tools still need this support in the kernel. So this section is
+ * purely for compatibility with old tool chains.
+ *
+ * DO NOT make changes or enhancements to the old format please, just work
+ * with the format above, except to fix bugs with old format support.
+ */
+
+#include <asm/byteorder.h>
+
+#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 {
+# if defined(mc68000) && !defined(CONFIG_COLDFIRE)
+ signed long offset : 30;
+ unsigned long 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;
+# define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */
+# elif defined(__LITTLE_ENDIAN_BITFIELD)
+ signed long offset : 30;
+ unsigned long type : 2;
+# define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */
+# else
+# error "Unknown bitfield order for flat files."
+# endif
+ } reloc;
+} flat_v2_reloc_t;
+
+#endif /* _LINUX_FLAT_H */