projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 1c7a0e38 SL |
1 | /* nlist.h 4.1 83/05/03 */ |
| 2 | ||
| 3 | /* | |
| 4 | * Format of a symbol table entry; this file is included by <a.out.h> | |
| 5 | * and should be used if you aren't interested the a.out header | |
| 6 | * or relocation information. | |
| 7 | */ | |
| 8 | struct nlist { | |
| 9 | char *n_name; /* for use when in-core */ | |
| 10 | unsigned char n_type; /* type flag, i.e. N_TEXT etc; see below */ | |
| 11 | char n_other; /* unused */ | |
| 12 | short n_desc; /* see <stab.h> */ | |
| 13 | unsigned long n_value; /* value of this symbol (or sdb offset) */ | |
| 14 | }; | |
| 15 | #define n_hash n_desc /* used internally by ld */ | |
| 16 | ||
| 17 | /* | |
| 18 | * Simple values for n_type. | |
| 19 | */ | |
| 20 | #define N_UNDF 0x0 /* undefined */ | |
| 21 | #define N_ABS 0x2 /* absolute */ | |
| 22 | #define N_TEXT 0x4 /* text */ | |
| 23 | #define N_DATA 0x6 /* data */ | |
| 24 | #define N_BSS 0x8 /* bss */ | |
| 25 | #define N_COMM 0x12 /* common (internal to ld) */ | |
| 26 | #define N_FN 0x1f /* file name symbol */ | |
| 27 | ||
| 28 | #define N_EXT 01 /* external bit, or'ed in */ | |
| 29 | #define N_TYPE 0x1e /* mask for all the type bits */ | |
| 30 | ||
| 31 | /* | |
| 32 | * Sdb entries have some of the N_STAB bits set. | |
| 33 | * These are given in <stab.h> | |
| 34 | */ | |
| 35 | #define N_STAB 0xe0 /* if any of these bits set, a SDB entry */ | |
| 36 | ||
| 37 | /* | |
| 38 | * Format for namelist values. | |
| 39 | */ | |
| 40 | #define N_FORMAT "%08x" |