struct flat_hdr { char magic[4];
__be32 rev; /* version (as above) */
__be32 entry; /* Offset of first executable instruction
with text segment from beginning of file */
__be32 data_start; /* Offset of data segment from beginning of
file */
__be32 data_end; /* Offset of end of data segment from beginning
of file */
__be32 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.) */
__be32 stack_size; /* Size of stack, in bytes */
__be32 reloc_start; /* Offset of relocation records from beginning of
file */
__be32 reloc_count; /* Number of relocation records */
__be32 flags;
__be32 build_date; /* When the program/library was built */
__u32 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 */
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