diff options
Diffstat (limited to 'include/uapi/linux/a.out.h')
| -rw-r--r-- | include/uapi/linux/a.out.h | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/include/uapi/linux/a.out.h b/include/uapi/linux/a.out.h new file mode 100644 index 000000000000..7caf44c7fa51 --- /dev/null +++ b/include/uapi/linux/a.out.h | |||
| @@ -0,0 +1,274 @@ | |||
| 1 | #ifndef _UAPI__A_OUT_GNU_H__ | ||
| 2 | #define _UAPI__A_OUT_GNU_H__ | ||
| 3 | |||
| 4 | #define __GNU_EXEC_MACROS__ | ||
| 5 | |||
| 6 | #ifndef __STRUCT_EXEC_OVERRIDE__ | ||
| 7 | |||
| 8 | #include <asm/a.out.h> | ||
| 9 | |||
| 10 | #endif /* __STRUCT_EXEC_OVERRIDE__ */ | ||
| 11 | |||
| 12 | #ifndef __ASSEMBLY__ | ||
| 13 | |||
| 14 | /* these go in the N_MACHTYPE field */ | ||
| 15 | enum machine_type { | ||
| 16 | #if defined (M_OLDSUN2) | ||
| 17 | M__OLDSUN2 = M_OLDSUN2, | ||
| 18 | #else | ||
| 19 | M_OLDSUN2 = 0, | ||
| 20 | #endif | ||
| 21 | #if defined (M_68010) | ||
| 22 | M__68010 = M_68010, | ||
| 23 | #else | ||
| 24 | M_68010 = 1, | ||
| 25 | #endif | ||
| 26 | #if defined (M_68020) | ||
| 27 | M__68020 = M_68020, | ||
| 28 | #else | ||
| 29 | M_68020 = 2, | ||
| 30 | #endif | ||
| 31 | #if defined (M_SPARC) | ||
| 32 | M__SPARC = M_SPARC, | ||
| 33 | #else | ||
| 34 | M_SPARC = 3, | ||
| 35 | #endif | ||
| 36 | /* skip a bunch so we don't run into any of sun's numbers */ | ||
| 37 | M_386 = 100, | ||
| 38 | M_MIPS1 = 151, /* MIPS R3000/R3000 binary */ | ||
| 39 | M_MIPS2 = 152 /* MIPS R6000/R4000 binary */ | ||
| 40 | }; | ||
| 41 | |||
| 42 | #if !defined (N_MAGIC) | ||
| 43 | #define N_MAGIC(exec) ((exec).a_info & 0xffff) | ||
| 44 | #endif | ||
| 45 | #define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff)) | ||
| 46 | #define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff) | ||
| 47 | #define N_SET_INFO(exec, magic, type, flags) \ | ||
| 48 | ((exec).a_info = ((magic) & 0xffff) \ | ||
| 49 | | (((int)(type) & 0xff) << 16) \ | ||
| 50 | | (((flags) & 0xff) << 24)) | ||
| 51 | #define N_SET_MAGIC(exec, magic) \ | ||
| 52 | ((exec).a_info = (((exec).a_info & 0xffff0000) | ((magic) & 0xffff))) | ||
| 53 | |||
| 54 | #define N_SET_MACHTYPE(exec, machtype) \ | ||
| 55 | ((exec).a_info = \ | ||
| 56 | ((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16)) | ||
| 57 | |||
| 58 | #define N_SET_FLAGS(exec, flags) \ | ||
| 59 | ((exec).a_info = \ | ||
| 60 | ((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24)) | ||
| 61 | |||
| 62 | /* Code indicating object file or impure executable. */ | ||
| 63 | #define OMAGIC 0407 | ||
| 64 | /* Code indicating pure executable. */ | ||
| 65 | #define NMAGIC 0410 | ||
| 66 | /* Code indicating demand-paged executable. */ | ||
| 67 | #define ZMAGIC 0413 | ||
| 68 | /* This indicates a demand-paged executable with the header in the text. | ||
| 69 | The first page is unmapped to help trap NULL pointer references */ | ||
| 70 | #define QMAGIC 0314 | ||
| 71 | |||
| 72 | /* Code indicating core file. */ | ||
| 73 | #define CMAGIC 0421 | ||
| 74 | |||
| 75 | #if !defined (N_BADMAG) | ||
| 76 | #define N_BADMAG(x) (N_MAGIC(x) != OMAGIC \ | ||
| 77 | && N_MAGIC(x) != NMAGIC \ | ||
| 78 | && N_MAGIC(x) != ZMAGIC \ | ||
| 79 | && N_MAGIC(x) != QMAGIC) | ||
| 80 | #endif | ||
| 81 | |||
| 82 | #define _N_HDROFF(x) (1024 - sizeof (struct exec)) | ||
| 83 | |||
| 84 | #if !defined (N_TXTOFF) | ||
| 85 | #define N_TXTOFF(x) \ | ||
| 86 | (N_MAGIC(x) == ZMAGIC ? _N_HDROFF((x)) + sizeof (struct exec) : \ | ||
| 87 | (N_MAGIC(x) == QMAGIC ? 0 : sizeof (struct exec))) | ||
| 88 | #endif | ||
| 89 | |||
| 90 | #if !defined (N_DATOFF) | ||
| 91 | #define N_DATOFF(x) (N_TXTOFF(x) + (x).a_text) | ||
| 92 | #endif | ||
| 93 | |||
| 94 | #if !defined (N_TRELOFF) | ||
| 95 | #define N_TRELOFF(x) (N_DATOFF(x) + (x).a_data) | ||
| 96 | #endif | ||
| 97 | |||
| 98 | #if !defined (N_DRELOFF) | ||
| 99 | #define N_DRELOFF(x) (N_TRELOFF(x) + N_TRSIZE(x)) | ||
| 100 | #endif | ||
| 101 | |||
| 102 | #if !defined (N_SYMOFF) | ||
| 103 | #define N_SYMOFF(x) (N_DRELOFF(x) + N_DRSIZE(x)) | ||
| 104 | #endif | ||
| 105 | |||
| 106 | #if !defined (N_STROFF) | ||
| 107 | #define N_STROFF(x) (N_SYMOFF(x) + N_SYMSIZE(x)) | ||
| 108 | #endif | ||
| 109 | |||
| 110 | /* Address of text segment in memory after it is loaded. */ | ||
| 111 | #if !defined (N_TXTADDR) | ||
| 112 | #define N_TXTADDR(x) (N_MAGIC(x) == QMAGIC ? PAGE_SIZE : 0) | ||
| 113 | #endif | ||
| 114 | |||
| 115 | /* Address of data segment in memory after it is loaded. | ||
| 116 | Note that it is up to you to define SEGMENT_SIZE | ||
| 117 | on machines not listed here. */ | ||
| 118 | #if defined(vax) || defined(hp300) || defined(pyr) | ||
| 119 | #define SEGMENT_SIZE page_size | ||
| 120 | #endif | ||
| 121 | #ifdef sony | ||
| 122 | #define SEGMENT_SIZE 0x2000 | ||
| 123 | #endif /* Sony. */ | ||
| 124 | #ifdef is68k | ||
| 125 | #define SEGMENT_SIZE 0x20000 | ||
| 126 | #endif | ||
| 127 | #if defined(m68k) && defined(PORTAR) | ||
| 128 | #define PAGE_SIZE 0x400 | ||
| 129 | #define SEGMENT_SIZE PAGE_SIZE | ||
| 130 | #endif | ||
| 131 | |||
| 132 | #ifdef linux | ||
| 133 | #ifndef __KERNEL__ | ||
| 134 | #include <unistd.h> | ||
| 135 | #endif | ||
| 136 | #if defined(__i386__) || defined(__mc68000__) | ||
| 137 | #define SEGMENT_SIZE 1024 | ||
| 138 | #else | ||
| 139 | #ifndef SEGMENT_SIZE | ||
| 140 | #ifndef __KERNEL__ | ||
| 141 | #define SEGMENT_SIZE getpagesize() | ||
| 142 | #endif | ||
| 143 | #endif | ||
| 144 | #endif | ||
| 145 | #endif | ||
| 146 | |||
| 147 | #define _N_SEGMENT_ROUND(x) ALIGN(x, SEGMENT_SIZE) | ||
| 148 | |||
| 149 | #define _N_TXTENDADDR(x) (N_TXTADDR(x)+(x).a_text) | ||
| 150 | |||
| 151 | #ifndef N_DATADDR | ||
| 152 | #define N_DATADDR(x) \ | ||
| 153 | (N_MAGIC(x)==OMAGIC? (_N_TXTENDADDR(x)) \ | ||
| 154 | : (_N_SEGMENT_ROUND (_N_TXTENDADDR(x)))) | ||
| 155 | #endif | ||
| 156 | |||
| 157 | /* Address of bss segment in memory after it is loaded. */ | ||
| 158 | #if !defined (N_BSSADDR) | ||
| 159 | #define N_BSSADDR(x) (N_DATADDR(x) + (x).a_data) | ||
| 160 | #endif | ||
| 161 | |||
| 162 | #if !defined (N_NLIST_DECLARED) | ||
| 163 | struct nlist { | ||
| 164 | union { | ||
| 165 | char *n_name; | ||
| 166 | struct nlist *n_next; | ||
| 167 | long n_strx; | ||
| 168 | } n_un; | ||
| 169 | unsigned char n_type; | ||
| 170 | char n_other; | ||
| 171 | short n_desc; | ||
| 172 | unsigned long n_value; | ||
| 173 | }; | ||
| 174 | #endif /* no N_NLIST_DECLARED. */ | ||
| 175 | |||
| 176 | #if !defined (N_UNDF) | ||
| 177 | #define N_UNDF 0 | ||
| 178 | #endif | ||
| 179 | #if !defined (N_ABS) | ||
| 180 | #define N_ABS 2 | ||
| 181 | #endif | ||
| 182 | #if !defined (N_TEXT) | ||
| 183 | #define N_TEXT 4 | ||
| 184 | #endif | ||
| 185 | #if !defined (N_DATA) | ||
| 186 | #define N_DATA 6 | ||
| 187 | #endif | ||
| 188 | #if !defined (N_BSS) | ||
| 189 | #define N_BSS 8 | ||
| 190 | #endif | ||
| 191 | #if !defined (N_FN) | ||
| 192 | #define N_FN 15 | ||
| 193 | #endif | ||
| 194 | |||
| 195 | #if !defined (N_EXT) | ||
| 196 | #define N_EXT 1 | ||
| 197 | #endif | ||
| 198 | #if !defined (N_TYPE) | ||
| 199 | #define N_TYPE 036 | ||
| 200 | #endif | ||
| 201 | #if !defined (N_STAB) | ||
| 202 | #define N_STAB 0340 | ||
| 203 | #endif | ||
| 204 | |||
| 205 | /* The following type indicates the definition of a symbol as being | ||
| 206 | an indirect reference to another symbol. The other symbol | ||
| 207 | appears as an undefined reference, immediately following this symbol. | ||
| 208 | |||
| 209 | Indirection is asymmetrical. The other symbol's value will be used | ||
| 210 | to satisfy requests for the indirect symbol, but not vice versa. | ||
| 211 | If the other symbol does not have a definition, libraries will | ||
| 212 | be searched to find a definition. */ | ||
| 213 | #define N_INDR 0xa | ||
| 214 | |||
| 215 | /* The following symbols refer to set elements. | ||
| 216 | All the N_SET[ATDB] symbols with the same name form one set. | ||
| 217 | Space is allocated for the set in the text section, and each set | ||
| 218 | element's value is stored into one word of the space. | ||
| 219 | The first word of the space is the length of the set (number of elements). | ||
| 220 | |||
| 221 | The address of the set is made into an N_SETV symbol | ||
| 222 | whose name is the same as the name of the set. | ||
| 223 | This symbol acts like a N_DATA global symbol | ||
| 224 | in that it can satisfy undefined external references. */ | ||
| 225 | |||
| 226 | /* These appear as input to LD, in a .o file. */ | ||
| 227 | #define N_SETA 0x14 /* Absolute set element symbol */ | ||
| 228 | #define N_SETT 0x16 /* Text set element symbol */ | ||
| 229 | #define N_SETD 0x18 /* Data set element symbol */ | ||
| 230 | #define N_SETB 0x1A /* Bss set element symbol */ | ||
| 231 | |||
| 232 | /* This is output from LD. */ | ||
| 233 | #define N_SETV 0x1C /* Pointer to set vector in data area. */ | ||
| 234 | |||
| 235 | #if !defined (N_RELOCATION_INFO_DECLARED) | ||
| 236 | /* This structure describes a single relocation to be performed. | ||
| 237 | The text-relocation section of the file is a vector of these structures, | ||
| 238 | all of which apply to the text section. | ||
| 239 | Likewise, the data-relocation section applies to the data section. */ | ||
| 240 | |||
| 241 | struct relocation_info | ||
| 242 | { | ||
| 243 | /* Address (within segment) to be relocated. */ | ||
| 244 | int r_address; | ||
| 245 | /* The meaning of r_symbolnum depends on r_extern. */ | ||
| 246 | unsigned int r_symbolnum:24; | ||
| 247 | /* Nonzero means value is a pc-relative offset | ||
| 248 | and it should be relocated for changes in its own address | ||
| 249 | as well as for changes in the symbol or section specified. */ | ||
| 250 | unsigned int r_pcrel:1; | ||
| 251 | /* Length (as exponent of 2) of the field to be relocated. | ||
| 252 | Thus, a value of 2 indicates 1<<2 bytes. */ | ||
| 253 | unsigned int r_length:2; | ||
| 254 | /* 1 => relocate with value of symbol. | ||
| 255 | r_symbolnum is the index of the symbol | ||
| 256 | in file's the symbol table. | ||
| 257 | 0 => relocate with the address of a segment. | ||
| 258 | r_symbolnum is N_TEXT, N_DATA, N_BSS or N_ABS | ||
| 259 | (the N_EXT bit may be set also, but signifies nothing). */ | ||
| 260 | unsigned int r_extern:1; | ||
| 261 | /* Four bits that aren't used, but when writing an object file | ||
| 262 | it is desirable to clear them. */ | ||
| 263 | #ifdef NS32K | ||
| 264 | unsigned r_bsr:1; | ||
| 265 | unsigned r_disp:1; | ||
| 266 | unsigned r_pad:2; | ||
| 267 | #else | ||
| 268 | unsigned int r_pad:4; | ||
| 269 | #endif | ||
| 270 | }; | ||
| 271 | #endif /* no N_RELOCATION_INFO_DECLARED. */ | ||
| 272 | |||
| 273 | #endif /*__ASSEMBLY__ */ | ||
| 274 | #endif /* _UAPI__A_OUT_GNU_H__ */ | ||
