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modpost: use generic macros for hash table implementation

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Use macros provided by hashtable.h

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada 2024-07-20 16:27:39 +09:00
parent fbaf242c95
commit 3554a45297
1 changed files with 5 additions and 13 deletions
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18
scripts/mod/modpost.c
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@ -21,6 +21,7 @@
#include <stdbool.h>
#include <errno.h>
#include <hashtable.h>
#include <list.h>
#include "modpost.h"
#include "../../include/linux/license.h"
@ -201,13 +202,8 @@ static struct module *new_module(const char *name, size_t namelen)
return mod;
}
/* A hash of all exported symbols,
* struct symbol is also used for lists of unresolved symbols */
#define SYMBOL_HASH_SIZE 1024
struct symbol {
struct symbol *next;
struct hlist_node hnode;/* link to hash table */
struct list_head list; /* link to module::exported_symbols or module::unresolved_symbols */
struct module *module;
char *namespace;
@ -220,7 +216,7 @@ struct symbol {
char name[];
};
static struct symbol *symbolhash[SYMBOL_HASH_SIZE];
static HASHTABLE_DEFINE(symbol_hashtable, 1U << 10);
/* This is based on the hash algorithm from gdbm, via tdb */
static inline unsigned int tdb_hash(const char *name)
@ -252,11 +248,7 @@ static struct symbol *alloc_symbol(const char *name)
/* For the hash of exported symbols */
static void hash_add_symbol(struct symbol *sym)
{
unsigned int hash;
hash = tdb_hash(sym->name) % SYMBOL_HASH_SIZE;
sym->next = symbolhash[hash];
symbolhash[hash] = sym;
hash_add(symbol_hashtable, &sym->hnode, tdb_hash(sym->name));
}
static void sym_add_unresolved(const char *name, struct module *mod, bool weak)
@ -277,7 +269,7 @@ static struct symbol *sym_find_with_module(const char *name, struct module *mod)
if (name[0] == '.')
name++;
for (s = symbolhash[tdb_hash(name) % SYMBOL_HASH_SIZE]; s; s = s->next) {
hash_for_each_possible(symbol_hashtable, s, hnode, tdb_hash(name)) {
if (strcmp(s->name, name) == 0 && (!mod || s->module == mod))
return s;
}