| #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 */ |