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| author | Jan Kratochvil <jan.kratochvil@redhat.com> | 2011-04-06 19:50:05 +0000 |
|---|---|---|
| committer | Jan Kratochvil <jan.kratochvil@redhat.com> | 2011-04-06 19:50:05 +0000 |
| commit | 59d7bcaf18f0f9cff495e7a1a9e08dde859fb1f2 (patch) | |
| tree | 118f98db3d708cd3040abc9be056ed0a817e9449 | |
| parent | 8c5fc8001110c72f83edccd8d3872cc868454f54 (diff) | |
| download | gdb-59d7bcaf18f0f9cff495e7a1a9e08dde859fb1f2.zip gdb-59d7bcaf18f0f9cff495e7a1a9e08dde859fb1f2.tar.gz gdb-59d7bcaf18f0f9cff495e7a1a9e08dde859fb1f2.tar.bz2 | |
gdb/
Code cleanup.
* dictionary.c (dict_hash): Use SYMBOL_HASH_NEXT.
* dwarf2read.c (mapped_index_string_hash): Refer to SYMBOL_HASH_NEXT
in the function comment, a new note on values compatibility.
* minsyms.c (msymbol_hash_iw, msymbol_hash): Use SYMBOL_HASH_NEXT.
* symtab.h (SYMBOL_HASH_NEXT): New.
| -rw-r--r-- | gdb/ChangeLog | 9 | ||||
| -rw-r--r-- | gdb/dictionary.c | 2 | ||||
| -rw-r--r-- | gdb/dwarf2read.c | 10 | ||||
| -rw-r--r-- | gdb/minsyms.c | 4 | ||||
| -rw-r--r-- | gdb/symtab.h | 6 |
5 files changed, 23 insertions, 8 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 031e53a..349e47e 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,12 @@ +2011-04-06 Jan Kratochvil <jan.kratochvil@redhat.com> + + Code cleanup. + * dictionary.c (dict_hash): Use SYMBOL_HASH_NEXT. + * dwarf2read.c (mapped_index_string_hash): Refer to SYMBOL_HASH_NEXT + in the function comment, a new note on values compatibility. + * minsyms.c (msymbol_hash_iw, msymbol_hash): Use SYMBOL_HASH_NEXT. + * symtab.h (SYMBOL_HASH_NEXT): New. + 2011-04-06 Thiago Jung Bauermann <bauerman@br.ibm.com> * ppc-linux-nat.c (check_condition): Add len output parameter. diff --git a/gdb/dictionary.c b/gdb/dictionary.c index 2981692..8142d29 100644 --- a/gdb/dictionary.c +++ b/gdb/dictionary.c @@ -826,7 +826,7 @@ dict_hash (const char *string0) } /* FALL THROUGH */ default: - hash = hash * 67 + *string - 113; + hash = SYMBOL_HASH_NEXT (hash, *string); string += 1; break; } diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c index 591e474..5086733 100644 --- a/gdb/dwarf2read.c +++ b/gdb/dwarf2read.c @@ -1962,11 +1962,11 @@ create_addrmap_from_index (struct objfile *objfile, struct mapped_index *index) do_cleanups (cleanup); } -/* The hash function for strings in the mapped index. This is the - same as the hashtab.c hash function, but we keep a separate copy to - maintain control over the implementation. This is necessary - because the hash function is tied to the format of the mapped index - file. */ +/* The hash function for strings in the mapped index. This is the same as + SYMBOL_HASH_NEXT, but we keep a separate copy to maintain control over the + implementation. This is necessary because the hash function is tied to the + format of the mapped index file. The hash values do not have to match with + SYMBOL_HASH_NEXT. */ static hashval_t mapped_index_string_hash (const void *p) diff --git a/gdb/minsyms.c b/gdb/minsyms.c index b054e3f..a2c5ebc 100644 --- a/gdb/minsyms.c +++ b/gdb/minsyms.c @@ -91,7 +91,7 @@ msymbol_hash_iw (const char *string) ++string; if (*string && *string != '(') { - hash = hash * 67 + *string - 113; + hash = SYMBOL_HASH_NEXT (hash, *string); ++string; } } @@ -106,7 +106,7 @@ msymbol_hash (const char *string) unsigned int hash = 0; for (; *string; ++string) - hash = hash * 67 + *string - 113; + hash = SYMBOL_HASH_NEXT (hash, *string); return hash; } diff --git a/gdb/symtab.h b/gdb/symtab.h index 59bbe24..4913e6c 100644 --- a/gdb/symtab.h +++ b/gdb/symtab.h @@ -1004,6 +1004,12 @@ extern unsigned int msymbol_hash_iw (const char *); extern unsigned int msymbol_hash (const char *); +/* Compute the next hash value from previous HASH and the character C. This + is only a GDB in-memory computed value with no external files compatibility + requirements. */ + +#define SYMBOL_HASH_NEXT(hash, c) ((hash) * 67 + (c) - 113) + extern struct objfile * msymbol_objfile (struct minimal_symbol *sym); extern void |