130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#ifndef _LINUX_SOM_H 230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define _LINUX_SOM_H 330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* File format definition for SOM executables / shared libraries */ 530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* we need struct timespec */ 730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#include <linux/time.h> 830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SOM_PAGESIZE 4096 1030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 1130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* this is the SOM header */ 1230692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct som_hdr { 1330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng short system_id; /* magic number - system */ 1430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng short a_magic; /* magic number - file type */ 1530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int version_id; /* versiod ID: YYMMDDHH */ 1630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct timespec file_time; /* system clock */ 1730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int entry_space; /* space for entry point */ 1830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int entry_subspace; /* subspace for entry point */ 1930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int entry_offset; /* offset of entry point */ 2030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int aux_header_location; /* auxiliary header location */ 2130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int aux_header_size; /* auxiliary header size */ 2230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int som_length; /* length of entire SOM */ 2330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int presumed_dp; /* compiler's DP value */ 2430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int space_location; /* space dictionary location */ 2530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int space_total; /* number of space entries */ 2630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int subspace_location; /* subspace entries location */ 2730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int subspace_total; /* number of subspace entries */ 2830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int loader_fixup_location; /* MPE/iX loader fixup */ 2930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int loader_fixup_total; /* number of fixup records */ 3030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int space_strings_location; /* (sub)space names */ 3130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int space_strings_size; /* size of strings area */ 3230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int init_array_location; /* reserved */ 3330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int init_array_total; /* reserved */ 3430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int compiler_location; /* module dictionary */ 3530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int compiler_total; /* number of modules */ 3630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int symbol_location; /* symbol dictionary */ 3730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int symbol_total; /* number of symbols */ 3830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int fixup_request_location; /* fixup requests */ 3930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int fixup_request_total; /* number of fixup requests */ 4030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int symbol_strings_location;/* module & symbol names area */ 4130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int symbol_strings_size; /* size of strings area */ 4230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int unloadable_sp_location; /* unloadable spaces location */ 4330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int unloadable_sp_size; /* size of data */ 4430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int checksum; 4530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 4630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 4730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* values for system_id */ 4830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 4930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SOM_SID_PARISC_1_0 0x020b 5030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SOM_SID_PARISC_1_1 0x0210 5130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SOM_SID_PARISC_2_0 0x0214 5230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 5330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* values for a_magic */ 5430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 5530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SOM_LIB_EXEC 0x0104 5630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SOM_RELOCATABLE 0x0106 5730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SOM_EXEC_NONSHARE 0x0107 5830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SOM_EXEC_SHARE 0x0108 5930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SOM_EXEC_DEMAND 0x010B 6030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SOM_LIB_DYN 0x010D 6130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SOM_LIB_SHARE 0x010E 6230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SOM_LIB_RELOC 0x0619 6330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 6430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* values for version_id. Decimal not hex, yes. Grr. */ 6530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 6630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SOM_ID_OLD 85082112 6730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SOM_ID_NEW 87102412 6830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 6930692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct aux_id { 7030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int mandatory :1; /* the linker must understand this */ 7130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int copy :1; /* Must be copied by the linker */ 7230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int append :1; /* Must be merged by the linker */ 7330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int ignore :1; /* Discard section if unknown */ 7430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int reserved :12; 7530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int type :16; /* Header type */ 7630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int length; /* length of _following_ data */ 7730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 7830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 7930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* The Exec Auxiliary Header. Called The HP-UX Header within HP apparently. */ 8030692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct som_exec_auxhdr { 8130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct aux_id som_auxhdr; 8230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int exec_tsize; /* Text size in bytes */ 8330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int exec_tmem; /* Address to load text at */ 8430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int exec_tfile; /* Location of text in file */ 8530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int exec_dsize; /* Data size in bytes */ 8630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int exec_dmem; /* Address to load data at */ 8730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int exec_dfile; /* Location of data in file */ 8830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int exec_bsize; /* Uninitialised data (bss) */ 8930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int exec_entry; /* Address to start executing */ 9030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int exec_flags; /* loader flags */ 9130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int exec_bfill; /* initialisation value for bss */ 9230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 9330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 9430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* Oh, the things people do to avoid casts. Shame it'll break with gcc's 9530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * new aliasing rules really. 9630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 9730692c65c4174412c90e79489e98ab85c1a7412fBen Chengunion name_pt { 9830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng char * n_name; 9930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int n_strx; 10030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 10130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 10230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* The Space Dictionary */ 10330692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct space_dictionary_record { 10430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng union name_pt name; /* index to subspace name */ 10530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int is_loadable :1; /* loadable */ 10630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int is_defined :1; /* defined within file */ 10730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int is_private :1; /* not sharable */ 10830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int has_intermediate_code :1; /* contains intermediate code */ 10930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int is_tspecific :1; /* thread specific */ 11030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int reserved :11; /* for future expansion */ 11130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int sort_key :8; /* for linker */ 11230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int reserved2 :8; /* for future expansion */ 11330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 11430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int space_number; /* index */ 11530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int subspace_index; /* index into subspace dict */ 11630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int subspace_quantity; /* number of subspaces */ 11730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int loader_fix_index; /* for loader */ 11830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int loader_fix_quantity; /* for loader */ 11930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int init_pointer_index; /* data pointer array index */ 12030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int init_pointer_quantity; /* number of data pointers */ 12130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 12230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 12330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* The Subspace Dictionary */ 12430692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct subspace_dictionary_record { 12530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int space_index; 12630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int access_control_bits :7; 12730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int memory_resident :1; 12830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int dup_common :1; 12930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int is_common :1; 13030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int quadrant :2; 13130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int initially_frozen :1; 13230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int is_first :1; 13330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int code_only :1; 13430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int sort_key :8; 13530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int replicate_init :1; 13630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int continuation :1; 13730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int is_tspecific :1; 13830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int is_comdat :1; 13930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int reserved :4; 14030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 14130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int file_loc_init_value; 14230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int initialization_length; 14330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int subspace_start; 14430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int subspace_length; 14530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 14630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int reserved2 :5; 14730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int alignment :27; 14830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 14930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng union name_pt name; 15030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int fixup_request_index; 15130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int fixup_request_quantity; 15230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 15330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 15430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#endif /* _LINUX_SOM_H */ 155