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authorDavid Carlton <carlton@bactrian.org>2003-06-11 22:27:17 +0000
committerDavid Carlton <carlton@bactrian.org>2003-06-11 22:27:17 +0000
commit526e70c05f9132dc0a15af67943d2ecf9120660e (patch)
tree45a01e57386fa45d0b48c6a524a250ff68fb22b5 /gdb/symtab.c
parent33c081509ef98f9ea2702cb8e6150e0bbf277ab2 (diff)
downloadbinutils-gdb-526e70c05f9132dc0a15af67943d2ecf9120660e.tar.gz
2003-06-11 David Carlton <carlton@bactrian.org>
* block.h (BLOCK_SHOULD_SORT): Delete. * symtab.c (lookup_block_symbol): Don't worry about sorted linear blocks. * ada-lang.c (ada_add_block_symbols): Ditto. * symfile.c (sort_block_syms): Delete. (sort_symtab_syms): Ditto. * symfile.h: Delete sort_symtabs_syms and sort_block_syms declarations. * coffread.c (coff_symfile_read): Don't call sort_symtab_syms. * dbxread.c (dbx_psymtab_to_symtab_1): Ditto. * dwarf2read.c (psymtab_to_symtab_1): Ditto. * dwarfread.c (psymtab_to_symtab_1): Ditto. * hpread.c (hpread_psymtab_to_symtab_1): Ditto. * mdebugread.c (psymtab_to_symtab_1): Ditto. * xcoffread.c (xcoff_psymtab_to_symtab_1): Ditto.
Diffstat (limited to 'gdb/symtab.c')
-rw-r--r--gdb/symtab.c101
1 files changed, 8 insertions, 93 deletions
diff --git a/gdb/symtab.c b/gdb/symtab.c
index 1e1b5def91b..b580c2d620b 100644
--- a/gdb/symtab.c
+++ b/gdb/symtab.c
@@ -1636,7 +1636,6 @@ lookup_block_symbol (register const struct block *block, const char *name,
register int bot, top, inc;
register struct symbol *sym;
register struct symbol *sym_found = NULL;
- register int do_linear_search = 1;
if (BLOCK_HASHTABLE (block))
{
@@ -1653,98 +1652,13 @@ lookup_block_symbol (register const struct block *block, const char *name,
}
return NULL;
}
-
- /* If the blocks's symbols were sorted, start with a binary search. */
-
- if (BLOCK_SHOULD_SORT (block))
- {
- /* Reset the linear search flag so if the binary search fails, we
- won't do the linear search once unless we find some reason to
- do so */
-
- do_linear_search = 0;
- top = BLOCK_NSYMS (block);
- bot = 0;
-
- /* Advance BOT to not far before the first symbol whose name is NAME. */
-
- while (1)
- {
- inc = (top - bot + 1);
- /* No need to keep binary searching for the last few bits worth. */
- if (inc < 4)
- {
- break;
- }
- inc = (inc >> 1) + bot;
- sym = BLOCK_SYM (block, inc);
- if (!do_linear_search && (SYMBOL_LANGUAGE (sym) == language_java))
- {
- do_linear_search = 1;
- }
- if (SYMBOL_NATURAL_NAME (sym)[0] < name[0])
- {
- bot = inc;
- }
- else if (SYMBOL_NATURAL_NAME (sym)[0] > name[0])
- {
- top = inc;
- }
- else if (strcmp (SYMBOL_NATURAL_NAME (sym), name) < 0)
- {
- bot = inc;
- }
- else
- {
- top = inc;
- }
- }
-
- /* Now scan forward until we run out of symbols, find one whose
- name is greater than NAME, or find one we want. If there is
- more than one symbol with the right name and domain, we
- return the first one; I believe it is now impossible for us
- to encounter two symbols with the same name and domain
- here, because blocks containing argument symbols are no
- longer sorted. The exception is for C++, where multiple functions
- (cloned constructors / destructors, in particular) can have
- the same demangled name. So if we have a particular
- mangled name to match, try to do so. */
-
- top = BLOCK_NSYMS (block);
- while (bot < top)
- {
- sym = BLOCK_SYM (block, bot);
- if (SYMBOL_DOMAIN (sym) == domain
- && (linkage_name
- ? strcmp (DEPRECATED_SYMBOL_NAME (sym), linkage_name) == 0
- : SYMBOL_MATCHES_NATURAL_NAME (sym, name)))
- {
- return sym;
- }
- if (SYMBOL_PRINT_NAME (sym)[0] > name[0])
- {
- break;
- }
- bot++;
- }
- }
-
- /* Here if block isn't sorted, or we fail to find a match during the
- binary search above. If during the binary search above, we find a
- symbol which is a Java symbol, then we have re-enabled the linear
- search flag which was reset when starting the binary search.
-
- This loop is equivalent to the loop above, but hacked greatly for speed.
-
- Note that parameter symbols do not always show up last in the
- list; this loop makes sure to take anything else other than
- parameter symbols first; it only uses parameter symbols as a
- last resort. Note that this only takes up extra computation
- time on a match. */
-
- if (do_linear_search)
+ else
{
+ /* Note that parameter symbols do not always show up last in the
+ list; this loop makes sure to take anything else other than
+ parameter symbols first; it only uses parameter symbols as a
+ last resort. Note that this only takes up extra computation
+ time on a match. */
top = BLOCK_NSYMS (block);
bot = 0;
while (bot < top)
@@ -1792,8 +1706,9 @@ lookup_block_symbol (register const struct block *block, const char *name,
}
bot++;
}
+
+ return (sym_found); /* Will be NULL if not found. */
}
- return (sym_found); /* Will be NULL if not found. */
}
/* Given a main symbol SYM and ADDR, search through the alias