diff options
| -rw-r--r-- | gdb/dwarf2/index-common.c | 14 | ||||
| -rw-r--r-- | gdb/dwarf2/index-common.h | 4 |
2 files changed, 18 insertions, 0 deletions
diff --git a/gdb/dwarf2/index-common.c b/gdb/dwarf2/index-common.c index c2bb1c6..d8f9973 100644 --- a/gdb/dwarf2/index-common.c +++ b/gdb/dwarf2/index-common.c @@ -54,3 +54,17 @@ dwarf5_djb_hash (const char *str_) hash = hash * 33 + tolower (c); return hash; } + +/* See dwarf-index-common.h. */ + +uint32_t +dwarf5_djb_hash (gdb::string_view str) +{ + /* Note: tolower here ignores UTF-8, which isn't fully compliant. + See http://dwarfstd.org/ShowIssue.php?issue=161027.1. */ + + uint32_t hash = 5381; + for (char c : str) + hash = hash * 33 + tolower (c & 0xff); + return hash; +} diff --git a/gdb/dwarf2/index-common.h b/gdb/dwarf2/index-common.h index 049e1d8..cbfb88a 100644 --- a/gdb/dwarf2/index-common.h +++ b/gdb/dwarf2/index-common.h @@ -52,4 +52,8 @@ hashval_t mapped_index_string_hash (int index_version, const void *p); uint32_t dwarf5_djb_hash (const char *str_); +/* Symbol name hashing function as specified by DWARF-5. */ + +uint32_t dwarf5_djb_hash (gdb::string_view str_); + #endif /* DWARF_INDEX_COMMON_H */ |