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| 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
|---|---|
| 2 | #ifndef _UAPI__A_OUT_GNU_H__ |
| 3 | #define _UAPI__A_OUT_GNU_H__ |
| 4 | |
| 5 | #define __GNU_EXEC_MACROS__ |
| 6 | |
| 7 | #ifndef __STRUCT_EXEC_OVERRIDE__ |
| 8 | |
| 9 | #include <asm/a.out.h> |
| 10 | |
| 11 | #endif /* __STRUCT_EXEC_OVERRIDE__ */ |
| 12 | |
| 13 | #ifndef __ASSEMBLY__ |
| 14 | |
| 15 | /* these go in the N_MACHTYPE field */ |
| 16 | enum machine_type { |
| 17 | #if defined (M_OLDSUN2) |
| 18 | M__OLDSUN2 = M_OLDSUN2, |
| 19 | #else |
| 20 | M_OLDSUN2 = 0, |
| 21 | #endif |
| 22 | #if defined (M_68010) |
| 23 | M__68010 = M_68010, |
| 24 | #else |
| 25 | M_68010 = 1, |
| 26 | #endif |
| 27 | #if defined (M_68020) |
| 28 | M__68020 = M_68020, |
| 29 | #else |
| 30 | M_68020 = 2, |
| 31 | #endif |
| 32 | #if defined (M_SPARC) |
| 33 | M__SPARC = M_SPARC, |
| 34 | #else |
| 35 | M_SPARC = 3, |
| 36 | #endif |
| 37 | /* skip a bunch so we don't run into any of sun's numbers */ |
| 38 | M_386 = 100, |
| 39 | M_MIPS1 = 151, /* MIPS R3000/R3000 binary */ |
| 40 | M_MIPS2 = 152 /* MIPS R6000/R4000 binary */ |
| 41 | }; |
| 42 | |
| 43 | #if !defined (N_MAGIC) |
| 44 | #define N_MAGIC(exec) ((exec).a_info & 0xffff) |
| 45 | #endif |
| 46 | #define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff)) |
| 47 | #define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff) |
| 48 | #define N_SET_INFO(exec, magic, type, flags) \ |
| 49 | ((exec).a_info = ((magic) & 0xffff) \ |
| 50 | | (((int)(type) & 0xff) << 16) \ |
| 51 | | (((flags) & 0xff) << 24)) |
| 52 | #define N_SET_MAGIC(exec, magic) \ |
| 53 | ((exec).a_info = (((exec).a_info & 0xffff0000) | ((magic) & 0xffff))) |
| 54 | |
| 55 | #define N_SET_MACHTYPE(exec, machtype) \ |
| 56 | ((exec).a_info = \ |
| 57 | ((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16)) |
| 58 | |
| 59 | #define N_SET_FLAGS(exec, flags) \ |
| 60 | ((exec).a_info = \ |
| 61 | ((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24)) |
| 62 | |
| 63 | /* Code indicating object file or impure executable. */ |
| 64 | #define OMAGIC 0407 |
| 65 | /* Code indicating pure executable. */ |
| 66 | #define NMAGIC 0410 |
| 67 | /* Code indicating demand-paged executable. */ |
| 68 | #define ZMAGIC 0413 |
| 69 | /* This indicates a demand-paged executable with the header in the text. |
| 70 | The first page is unmapped to help trap NULL pointer references */ |
| 71 | #define QMAGIC 0314 |
| 72 | |
| 73 | /* Code indicating core file. */ |
| 74 | #define CMAGIC 0421 |
| 75 | |
| 76 | #if !defined (N_BADMAG) |
| 77 | #define N_BADMAG(x) (N_MAGIC(x) != OMAGIC \ |
| 78 | && N_MAGIC(x) != NMAGIC \ |
| 79 | && N_MAGIC(x) != ZMAGIC \ |
| 80 | && N_MAGIC(x) != QMAGIC) |
| 81 | #endif |
| 82 | |
| 83 | #define _N_HDROFF(x) (1024 - sizeof (struct exec)) |
| 84 | |
| 85 | #if !defined (N_TXTOFF) |
| 86 | #define N_TXTOFF(x) \ |
| 87 | (N_MAGIC(x) == ZMAGIC ? _N_HDROFF((x)) + sizeof (struct exec) : \ |
| 88 | (N_MAGIC(x) == QMAGIC ? 0 : sizeof (struct exec))) |
| 89 | #endif |
| 90 | |
| 91 | #if !defined (N_DATOFF) |
| 92 | #define N_DATOFF(x) (N_TXTOFF(x) + (x).a_text) |
| 93 | #endif |
| 94 | |
| 95 | #if !defined (N_TRELOFF) |
| 96 | #define N_TRELOFF(x) (N_DATOFF(x) + (x).a_data) |
| 97 | #endif |
| 98 | |
| 99 | #if !defined (N_DRELOFF) |
| 100 | #define N_DRELOFF(x) (N_TRELOFF(x) + N_TRSIZE(x)) |
| 101 | #endif |
| 102 | |
| 103 | #if !defined (N_SYMOFF) |
| 104 | #define N_SYMOFF(x) (N_DRELOFF(x) + N_DRSIZE(x)) |
| 105 | #endif |
| 106 | |
| 107 | #if !defined (N_STROFF) |
| 108 | #define N_STROFF(x) (N_SYMOFF(x) + N_SYMSIZE(x)) |
| 109 | #endif |
| 110 | |
| 111 | /* Address of text segment in memory after it is loaded. */ |
| 112 | #if !defined (N_TXTADDR) |
| 113 | #define N_TXTADDR(x) (N_MAGIC(x) == QMAGIC ? PAGE_SIZE : 0) |
| 114 | #endif |
| 115 | |
| 116 | /* Address of data segment in memory after it is loaded. */ |
| 117 | #ifndef __KERNEL__ |
| 118 | #include <unistd.h> |
| 119 | #endif |
| 120 | #if defined(__i386__) || defined(__mc68000__) |
| 121 | #define SEGMENT_SIZE 1024 |
| 122 | #else |
| 123 | #ifndef SEGMENT_SIZE |
| 124 | #ifndef __KERNEL__ |
| 125 | #define SEGMENT_SIZE getpagesize() |
| 126 | #endif |
| 127 | #endif |
| 128 | #endif |
| 129 | |
| 130 | #define _N_SEGMENT_ROUND(x) ALIGN(x, SEGMENT_SIZE) |
| 131 | |
| 132 | #define _N_TXTENDADDR(x) (N_TXTADDR(x)+(x).a_text) |
| 133 | |
| 134 | #ifndef N_DATADDR |
| 135 | #define N_DATADDR(x) \ |
| 136 | (N_MAGIC(x)==OMAGIC? (_N_TXTENDADDR(x)) \ |
| 137 | : (_N_SEGMENT_ROUND (_N_TXTENDADDR(x)))) |
| 138 | #endif |
| 139 | |
| 140 | /* Address of bss segment in memory after it is loaded. */ |
| 141 | #if !defined (N_BSSADDR) |
| 142 | #define N_BSSADDR(x) (N_DATADDR(x) + (x).a_data) |
| 143 | #endif |
| 144 | |
| 145 | #if !defined (N_NLIST_DECLARED) |
| 146 | struct nlist { |
| 147 | union { |
| 148 | char *n_name; |
| 149 | struct nlist *n_next; |
| 150 | long n_strx; |
| 151 | } n_un; |
| 152 | unsigned char n_type; |
| 153 | char n_other; |
| 154 | short n_desc; |
| 155 | unsigned long n_value; |
| 156 | }; |
| 157 | #endif /* no N_NLIST_DECLARED. */ |
| 158 | |
| 159 | #if !defined (N_UNDF) |
| 160 | #define N_UNDF 0 |
| 161 | #endif |
| 162 | #if !defined (N_ABS) |
| 163 | #define N_ABS 2 |
| 164 | #endif |
| 165 | #if !defined (N_TEXT) |
| 166 | #define N_TEXT 4 |
| 167 | #endif |
| 168 | #if !defined (N_DATA) |
| 169 | #define N_DATA 6 |
| 170 | #endif |
| 171 | #if !defined (N_BSS) |
| 172 | #define N_BSS 8 |
| 173 | #endif |
| 174 | #if !defined (N_FN) |
| 175 | #define N_FN 15 |
| 176 | #endif |
| 177 | |
| 178 | #if !defined (N_EXT) |
| 179 | #define N_EXT 1 |
| 180 | #endif |
| 181 | #if !defined (N_TYPE) |
| 182 | #define N_TYPE 036 |
| 183 | #endif |
| 184 | #if !defined (N_STAB) |
| 185 | #define N_STAB 0340 |
| 186 | #endif |
| 187 | |
| 188 | /* The following type indicates the definition of a symbol as being |
| 189 | an indirect reference to another symbol. The other symbol |
| 190 | appears as an undefined reference, immediately following this symbol. |
| 191 | |
| 192 | Indirection is asymmetrical. The other symbol's value will be used |
| 193 | to satisfy requests for the indirect symbol, but not vice versa. |
| 194 | If the other symbol does not have a definition, libraries will |
| 195 | be searched to find a definition. */ |
| 196 | #define N_INDR 0xa |
| 197 | |
| 198 | /* The following symbols refer to set elements. |
| 199 | All the N_SET[ATDB] symbols with the same name form one set. |
| 200 | Space is allocated for the set in the text section, and each set |
| 201 | element's value is stored into one word of the space. |
| 202 | The first word of the space is the length of the set (number of elements). |
| 203 | |
| 204 | The address of the set is made into an N_SETV symbol |
| 205 | whose name is the same as the name of the set. |
| 206 | This symbol acts like a N_DATA global symbol |
| 207 | in that it can satisfy undefined external references. */ |
| 208 | |
| 209 | /* These appear as input to LD, in a .o file. */ |
| 210 | #define N_SETA 0x14 /* Absolute set element symbol */ |
| 211 | #define N_SETT 0x16 /* Text set element symbol */ |
| 212 | #define N_SETD 0x18 /* Data set element symbol */ |
| 213 | #define N_SETB 0x1A /* Bss set element symbol */ |
| 214 | |
| 215 | /* This is output from LD. */ |
| 216 | #define N_SETV 0x1C /* Pointer to set vector in data area. */ |
| 217 | |
| 218 | #if !defined (N_RELOCATION_INFO_DECLARED) |
| 219 | /* This structure describes a single relocation to be performed. |
| 220 | The text-relocation section of the file is a vector of these structures, |
| 221 | all of which apply to the text section. |
| 222 | Likewise, the data-relocation section applies to the data section. */ |
| 223 | |
| 224 | struct relocation_info |
| 225 | { |
| 226 | /* Address (within segment) to be relocated. */ |
| 227 | int r_address; |
| 228 | /* The meaning of r_symbolnum depends on r_extern. */ |
| 229 | unsigned int r_symbolnum:24; |
| 230 | /* Nonzero means value is a pc-relative offset |
| 231 | and it should be relocated for changes in its own address |
| 232 | as well as for changes in the symbol or section specified. */ |
| 233 | unsigned int r_pcrel:1; |
| 234 | /* Length (as exponent of 2) of the field to be relocated. |
| 235 | Thus, a value of 2 indicates 1<<2 bytes. */ |
| 236 | unsigned int r_length:2; |
| 237 | /* 1 => relocate with value of symbol. |
| 238 | r_symbolnum is the index of the symbol |
| 239 | in file's the symbol table. |
| 240 | 0 => relocate with the address of a segment. |
| 241 | r_symbolnum is N_TEXT, N_DATA, N_BSS or N_ABS |
| 242 | (the N_EXT bit may be set also, but signifies nothing). */ |
| 243 | unsigned int r_extern:1; |
| 244 | /* Four bits that aren't used, but when writing an object file |
| 245 | it is desirable to clear them. */ |
| 246 | unsigned int r_pad:4; |
| 247 | }; |
| 248 | #endif /* no N_RELOCATION_INFO_DECLARED. */ |
| 249 | |
| 250 | #endif /*__ASSEMBLY__ */ |
| 251 | #endif /* _UAPI__A_OUT_GNU_H__ */ |
| 252 |
Warning: This file is not a C or C++ file. It does not have highlighting.