projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| cd4fb1b2 SM |
1 | /* Things needed for both reading and writing DWARF indices. |
| 2 | ||
| 1d506c26 | 3 | Copyright (C) 1994-2024 Free Software Foundation, Inc. |
| cd4fb1b2 SM |
4 | |
| 5 | This file is part of GDB. | |
| 6 | ||
| 7 | This program is free software; you can redistribute it and/or modify | |
| 8 | it under the terms of the GNU General Public License as published by | |
| 9 | the Free Software Foundation; either version 3 of the License, or | |
| 10 | (at your option) any later version. | |
| 11 | ||
| 12 | This program is distributed in the hope that it will be useful, | |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | GNU General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| 19 | ||
| 20 | #ifndef DWARF_INDEX_COMMON_H | |
| 21 | #define DWARF_INDEX_COMMON_H | |
| 22 | ||
| 87d6a7aa SM |
23 | /* The suffix for an index file. */ |
| 24 | #define INDEX4_SUFFIX ".gdb-index" | |
| 25 | #define INDEX5_SUFFIX ".debug_names" | |
| 26 | #define DEBUG_STR_SUFFIX ".debug_str" | |
| 27 | ||
| cd4fb1b2 SM |
28 | /* All offsets in the index are of this type. It must be |
| 29 | architecture-independent. */ | |
| 30 | typedef uint32_t offset_type; | |
| 31 | ||
| 42c2c694 | 32 | /* Unpack a 32-bit little-endian value. */ |
| cd4fb1b2 SM |
33 | |
| 34 | static inline offset_type | |
| 42c2c694 | 35 | gdb_index_unpack (const gdb_byte *value) |
| cd4fb1b2 | 36 | { |
| 42c2c694 TT |
37 | return (offset_type) extract_unsigned_integer (value, sizeof (offset_type), |
| 38 | BFD_ENDIAN_LITTLE); | |
| cd4fb1b2 SM |
39 | } |
| 40 | ||
| cd4fb1b2 SM |
41 | /* The hash function for strings in the mapped index. This is the same as |
| 42 | SYMBOL_HASH_NEXT, but we keep a separate copy to maintain control over the | |
| 43 | implementation. This is necessary because the hash function is tied to the | |
| 44 | format of the mapped index file. The hash values do not have to match with | |
| 45 | SYMBOL_HASH_NEXT. | |
| 46 | ||
| 47 | Use INT_MAX for INDEX_VERSION if you generate the current index format. */ | |
| 48 | ||
| 49 | hashval_t mapped_index_string_hash (int index_version, const void *p); | |
| 50 | ||
| 51 | /* Symbol name hashing function as specified by DWARF-5. */ | |
| 52 | ||
| 53 | uint32_t dwarf5_djb_hash (const char *str_); | |
| 54 | ||
| 4e9e4fcd TT |
55 | /* Symbol name hashing function as specified by DWARF-5. */ |
| 56 | ||
| 8082468f | 57 | uint32_t dwarf5_djb_hash (std::string_view str_); |
| 4e9e4fcd | 58 | |
| cd4fb1b2 | 59 | #endif /* DWARF_INDEX_COMMON_H */ |