/usr/arm-linux-gnueabihf/include/linux/som.h is in linux-libc-dev-armhf-cross 3.13.0-12.32cross1.104.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | #ifndef _LINUX_SOM_H
#define _LINUX_SOM_H
/* File format definition for SOM executables / shared libraries */
/* we need struct timespec */
#include <linux/time.h>
#define SOM_PAGESIZE 4096
/* this is the SOM header */
struct som_hdr {
short system_id; /* magic number - system */
short a_magic; /* magic number - file type */
unsigned int version_id; /* versiod ID: YYMMDDHH */
struct timespec file_time; /* system clock */
unsigned int entry_space; /* space for entry point */
unsigned int entry_subspace; /* subspace for entry point */
unsigned int entry_offset; /* offset of entry point */
unsigned int aux_header_location; /* auxiliary header location */
unsigned int aux_header_size; /* auxiliary header size */
unsigned int som_length; /* length of entire SOM */
unsigned int presumed_dp; /* compiler's DP value */
unsigned int space_location; /* space dictionary location */
unsigned int space_total; /* number of space entries */
unsigned int subspace_location; /* subspace entries location */
unsigned int subspace_total; /* number of subspace entries */
unsigned int loader_fixup_location; /* MPE/iX loader fixup */
unsigned int loader_fixup_total; /* number of fixup records */
unsigned int space_strings_location; /* (sub)space names */
unsigned int space_strings_size; /* size of strings area */
unsigned int init_array_location; /* reserved */
unsigned int init_array_total; /* reserved */
unsigned int compiler_location; /* module dictionary */
unsigned int compiler_total; /* number of modules */
unsigned int symbol_location; /* symbol dictionary */
unsigned int symbol_total; /* number of symbols */
unsigned int fixup_request_location; /* fixup requests */
unsigned int fixup_request_total; /* number of fixup requests */
unsigned int symbol_strings_location;/* module & symbol names area */
unsigned int symbol_strings_size; /* size of strings area */
unsigned int unloadable_sp_location; /* unloadable spaces location */
unsigned int unloadable_sp_size; /* size of data */
unsigned int checksum;
};
/* values for system_id */
#define SOM_SID_PARISC_1_0 0x020b
#define SOM_SID_PARISC_1_1 0x0210
#define SOM_SID_PARISC_2_0 0x0214
/* values for a_magic */
#define SOM_LIB_EXEC 0x0104
#define SOM_RELOCATABLE 0x0106
#define SOM_EXEC_NONSHARE 0x0107
#define SOM_EXEC_SHARE 0x0108
#define SOM_EXEC_DEMAND 0x010B
#define SOM_LIB_DYN 0x010D
#define SOM_LIB_SHARE 0x010E
#define SOM_LIB_RELOC 0x0619
/* values for version_id. Decimal not hex, yes. Grr. */
#define SOM_ID_OLD 85082112
#define SOM_ID_NEW 87102412
struct aux_id {
unsigned int mandatory :1; /* the linker must understand this */
unsigned int copy :1; /* Must be copied by the linker */
unsigned int append :1; /* Must be merged by the linker */
unsigned int ignore :1; /* Discard section if unknown */
unsigned int reserved :12;
unsigned int type :16; /* Header type */
unsigned int length; /* length of _following_ data */
};
/* The Exec Auxiliary Header. Called The HP-UX Header within HP apparently. */
struct som_exec_auxhdr {
struct aux_id som_auxhdr;
int exec_tsize; /* Text size in bytes */
int exec_tmem; /* Address to load text at */
int exec_tfile; /* Location of text in file */
int exec_dsize; /* Data size in bytes */
int exec_dmem; /* Address to load data at */
int exec_dfile; /* Location of data in file */
int exec_bsize; /* Uninitialised data (bss) */
int exec_entry; /* Address to start executing */
int exec_flags; /* loader flags */
int exec_bfill; /* initialisation value for bss */
};
/* Oh, the things people do to avoid casts. Shame it'll break with gcc's
* new aliasing rules really.
*/
union name_pt {
char * n_name;
unsigned int n_strx;
};
/* The Space Dictionary */
struct space_dictionary_record {
union name_pt name; /* index to subspace name */
unsigned int is_loadable :1; /* loadable */
unsigned int is_defined :1; /* defined within file */
unsigned int is_private :1; /* not sharable */
unsigned int has_intermediate_code :1; /* contains intermediate code */
unsigned int is_tspecific :1; /* thread specific */
unsigned int reserved :11; /* for future expansion */
unsigned int sort_key :8; /* for linker */
unsigned int reserved2 :8; /* for future expansion */
int space_number; /* index */
int subspace_index; /* index into subspace dict */
unsigned int subspace_quantity; /* number of subspaces */
int loader_fix_index; /* for loader */
unsigned int loader_fix_quantity; /* for loader */
int init_pointer_index; /* data pointer array index */
unsigned int init_pointer_quantity; /* number of data pointers */
};
/* The Subspace Dictionary */
struct subspace_dictionary_record {
int space_index;
unsigned int access_control_bits :7;
unsigned int memory_resident :1;
unsigned int dup_common :1;
unsigned int is_common :1;
unsigned int quadrant :2;
unsigned int initially_frozen :1;
unsigned int is_first :1;
unsigned int code_only :1;
unsigned int sort_key :8;
unsigned int replicate_init :1;
unsigned int continuation :1;
unsigned int is_tspecific :1;
unsigned int is_comdat :1;
unsigned int reserved :4;
int file_loc_init_value;
unsigned int initialization_length;
unsigned int subspace_start;
unsigned int subspace_length;
unsigned int reserved2 :5;
unsigned int alignment :27;
union name_pt name;
int fixup_request_index;
unsigned int fixup_request_quantity;
};
#endif /* _LINUX_SOM_H */
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