Showing the changes to include/uapi/linux/flat.h (1 of 578 files). Show all
Unified · Split
| @@ -0,0 +1,58 @@ | ||
| 1 | +/* | |
| 2 | + * Copyright (C) 2002-2003 David McCullough <davidm@snapgear.com> | |
| 3 | + * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com> | |
| 4 | + * The Silver Hammer Group, Ltd. | |
| 5 | + * | |
| 6 | + * This file provides the definitions and structures needed to | |
| 7 | + * support uClinux flat-format executables. | |
| 8 | + */ | |
| 9 | + | |
| 10 | +#ifndef _UAPI_LINUX_FLAT_H | |
| 11 | +#define _UAPI_LINUX_FLAT_H | |
| 12 | + | |
| 13 | + | |
| 14 | +#define FLAT_VERSION 0x00000004L | |
| 15 | + | |
| 16 | +#ifdef CONFIG_BINFMT_SHARED_FLAT | |
| 17 | +#define MAX_SHARED_LIBS (4) | |
| 18 | +#else | |
| 19 | +#define MAX_SHARED_LIBS (1) | |
| 20 | +#endif | |
| 21 | + | |
| 22 | +/* | |
| 23 | + * To make everything easier to port and manage cross platform | |
| 24 | + * development, all fields are in network byte order. | |
| 25 | + */ | |
| 26 | + | |
| 27 | +struct flat_hdr { | |
| 28 | + char magic[4]; | |
| 29 | + unsigned long rev; /* version (as above) */ | |
| 30 | + unsigned long entry; /* Offset of first executable instruction | |
| 31 | + with text segment from beginning of file */ | |
| 32 | + unsigned long data_start; /* Offset of data segment from beginning of | |
| 33 | + file */ | |
| 34 | + unsigned long data_end; /* Offset of end of data segment | |
| 35 | + from beginning of file */ | |
| 36 | + unsigned long bss_end; /* Offset of end of bss segment from beginning | |
| 37 | + of file */ | |
| 38 | + | |
| 39 | + /* (It is assumed that data_end through bss_end forms the bss segment.) */ | |
| 40 | + | |
| 41 | + unsigned long stack_size; /* Size of stack, in bytes */ | |
| 42 | + unsigned long reloc_start; /* Offset of relocation records from | |
| 43 | + beginning of file */ | |
| 44 | + unsigned long reloc_count; /* Number of relocation records */ | |
| 45 | + unsigned long flags; | |
| 46 | + unsigned long build_date; /* When the program/library was built */ | |
| 47 | + unsigned long filler[5]; /* Reservered, set to zero */ | |
| 48 | +}; | |
| 49 | + | |
| 50 | +#define FLAT_FLAG_RAM 0x0001 /* load program entirely into RAM */ | |
| 51 | +#define FLAT_FLAG_GOTPIC 0x0002 /* program is PIC with GOT */ | |
| 52 | +#define FLAT_FLAG_GZIP 0x0004 /* all but the header is compressed */ | |
| 53 | +#define FLAT_FLAG_GZDATA 0x0008 /* only data/relocs are compressed (for XIP) */ | |
| 54 | +#define FLAT_FLAG_KTRACE 0x0010 /* output useful kernel trace for debugging */ | |
| 55 | + | |
| 56 | + | |
| 57 | + | |
| 58 | +#endif /* _UAPI_LINUX_FLAT_H */ | |