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-rw-r--r--gdb/psymtab.c59
1 files changed, 55 insertions, 4 deletions
diff --git a/gdb/psymtab.c b/gdb/psymtab.c
index 2520046..a5d2f98 100644
--- a/gdb/psymtab.c
+++ b/gdb/psymtab.c
@@ -37,6 +37,11 @@
#define DEV_TTY "/dev/tty"
#endif
+struct psymbol_bcache
+{
+ struct bcache *bcache;
+};
+
/* A fast way to get from a psymtab to its symtab (after the first time). */
#define PSYMTAB_TO_SYMTAB(pst) \
((pst) -> symtab != NULL ? (pst) -> symtab : psymtab_to_symtab (pst))
@@ -1275,7 +1280,7 @@ start_psymtab_common (struct objfile *objfile,
and name. These are the values which are set by
add_psymbol_to_bcache. */
-unsigned long
+static unsigned long
psymbol_hash (const void *addr, int length)
{
unsigned long h = 0;
@@ -1297,7 +1302,7 @@ psymbol_hash (const void *addr, int length)
For the comparison this function uses a symbols value,
language, domain, class and name. */
-int
+static int
psymbol_compare (const void *addr1, const void *addr2, int length)
{
struct partial_symbol *sym1 = (struct partial_symbol *) addr1;
@@ -1311,6 +1316,51 @@ psymbol_compare (const void *addr1, const void *addr2, int length)
&& sym1->ginfo.name == sym2->ginfo.name);
}
+/* Initialize a partial symbol bcache. */
+
+struct psymbol_bcache *
+psymbol_bcache_init (void)
+{
+ struct psymbol_bcache *bcache = XCALLOC (1, struct psymbol_bcache);
+ bcache->bcache = bcache_xmalloc (psymbol_hash, psymbol_compare);
+ return bcache;
+}
+
+/* Free a partial symbol bcache. */
+void
+psymbol_bcache_free (struct psymbol_bcache *bcache)
+{
+ if (bcache == NULL)
+ return;
+
+ bcache_xfree (bcache->bcache);
+ xfree (bcache);
+}
+
+/* Return the internal bcache of the psymbol_bcache BCACHE*/
+
+struct bcache *
+psymbol_bcache_get_bcache (struct psymbol_bcache *bcache)
+{
+ return bcache->bcache;
+}
+
+/* Find a copy of the SYM in BCACHE. If BCACHE has never seen this
+ symbol before, add a copy to BCACHE. In either case, return a pointer
+ to BCACHE's copy of the symbol. If optional ADDED is not NULL, return
+ 1 in case of new entry or 0 if returning an old entry. */
+
+static const struct partial_symbol *
+psymbol_bcache_full (struct partial_symbol *sym,
+ struct psymbol_bcache *bcache,
+ int *added)
+{
+ return bcache_full (sym,
+ sizeof (struct partial_symbol),
+ bcache->bcache,
+ added);
+}
+
/* Helper function, initialises partial symbol structure and stashes
it into objfile's bcache. Note that our caching mechanism will
use all fields of struct partial_symbol to determine hash value of the
@@ -1345,8 +1395,9 @@ add_psymbol_to_bcache (char *name, int namelength, int copy_name,
SYMBOL_SET_NAMES (&psymbol, name, namelength, copy_name, objfile);
/* Stash the partial symbol away in the cache */
- return bcache_full (&psymbol, sizeof (struct partial_symbol),
- objfile->psymbol_cache, added);
+ return psymbol_bcache_full (&psymbol,
+ objfile->psymbol_cache,
+ added);
}
/* Helper function, adds partial symbol to the given partial symbol