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| author | Tom Tromey <tom@tromey.com> | 2019-03-01 19:55:46 -0700 |
|---|---|---|
| committer | Tom Tromey <tom@tromey.com> | 2019-03-15 16:02:08 -0600 |
| commit | 1b7a07cba0aa096c2eb66895ef339aa5143e9995 (patch) | |
| tree | 817c4e8fe6ceb3e62133833a2c40cf58e4f5f629 /gdb/objfiles.h | |
| parent | 3db066bcd5bac9a8d6be85ea4cfa8f52dbdcc600 (diff) | |
| download | gdb-1b7a07cba0aa096c2eb66895ef339aa5143e9995.zip gdb-1b7a07cba0aa096c2eb66895ef339aa5143e9995.tar.gz gdb-1b7a07cba0aa096c2eb66895ef339aa5143e9995.tar.bz2 | |
Use bitset for demangled_hash_languages
I noticed that objfile_per_bfd_storage::demangled_hash_languages is a
std::vector, which seemed quite large for something that,
fundamentally, can be represented as a bitset. This patch
reimplements it as a std::bitset.
gdb/ChangeLog
2019-03-15 Tom Tromey <tom@tromey.com>
* objfiles.h (struct objfile_per_bfd_storage)
<demangled_hash_languages>: Now a bitset.
* minsyms.c (add_minsym_to_demangled_hash_table): Update.
(lookup_minimal_symbol): Update.
Diffstat (limited to 'gdb/objfiles.h')
| -rw-r--r-- | gdb/objfiles.h | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/gdb/objfiles.h b/gdb/objfiles.h index c5ce9ee..47df002 100644 --- a/gdb/objfiles.h +++ b/gdb/objfiles.h @@ -28,6 +28,7 @@ #include "registry.h" #include "gdb_bfd.h" #include "psymtab.h" +#include <bitset> #include <vector> #include "common/next-iterator.h" #include "common/safe-iterator.h" @@ -313,10 +314,8 @@ struct objfile_per_bfd_storage minimal_symbol *msymbol_demangled_hash[MINIMAL_SYMBOL_HASH_SIZE] {}; /* All the different languages of symbols found in the demangled - hash table. A flat/vector-based map is more efficient than a map - or hash table here, since this will only usually contain zero or - one entries. */ - std::vector<enum language> demangled_hash_languages; + hash table. */ + std::bitset<nr_languages> demangled_hash_languages; }; /* Master structure for keeping track of each file from which |