diff options
| -rw-r--r-- | gdb/symtab.c | 2 | ||||
| -rw-r--r-- | gdbsupport/common-utils.h | 17 |
2 files changed, 18 insertions, 1 deletions
diff --git a/gdb/symtab.c b/gdb/symtab.c index f2b1a14..b344513 100644 --- a/gdb/symtab.c +++ b/gdb/symtab.c @@ -812,7 +812,7 @@ hash_demangled_name_entry (const void *data) const struct demangled_name_entry *e = (const struct demangled_name_entry *) data; - return fast_hash (e->mangled.data (), e->mangled.length ()); + return gdb::string_view_hash () (e->mangled); } /* Equality function for the demangled name hash. */ diff --git a/gdbsupport/common-utils.h b/gdbsupport/common-utils.h index 31ab1a6..97dcb9f 100644 --- a/gdbsupport/common-utils.h +++ b/gdbsupport/common-utils.h @@ -209,4 +209,21 @@ fast_hash (const void *ptr, size_t len, unsigned int start_value = 0) #endif } +namespace gdb +{ + +/* Hash type for gdb::string_view. + + Even after we switch to C++17 and dump our string_view implementation, we + might want to keep this hash implementation if it's faster than std::hash + for std::string_view. */ + +struct string_view_hash +{ + std::size_t operator() (gdb::string_view view) const + { return fast_hash (view.data (), view.length ()); } +}; + +} /* namespace gdb */ + #endif /* COMMON_COMMON_UTILS_H */ |