#define MAX_NAME_LEN 128
+static inline u32 str_hash(const char *str)
+{
+ return jhash(str, strlen(str), 0);
+}
+
struct section *find_section_by_name(struct elf *elf, const char *name)
{
struct section *sec;
- list_for_each_entry(sec, &elf->sections, list)
+ hash_for_each_possible(elf->section_name_hash, sec, name_hash, str_hash(name))
if (!strcmp(sec->name, name))
return sec;
list_add_tail(&sec->list, &elf->sections);
hash_add(elf->section_hash, &sec->hash, sec->idx);
+ hash_add(elf->section_name_hash, &sec->name_hash, str_hash(sec->name));
}
if (stats)
hash_init(elf->symbol_hash);
hash_init(elf->section_hash);
+ hash_init(elf->section_name_hash);
INIT_LIST_HEAD(&elf->sections);
elf->fd = open(name, flags);
list_add_tail(&sec->list, &elf->sections);
hash_add(elf->section_hash, &sec->hash, sec->idx);
+ hash_add(elf->section_name_hash, &sec->name_hash, str_hash(sec->name));
return sec;
}
#include <gelf.h>
#include <linux/list.h>
#include <linux/hashtable.h>
+#include <linux/jhash.h>
#ifdef LIBELF_USE_DEPRECATED
# define elf_getshdrnum elf_getshnum
struct section {
struct list_head list;
struct hlist_node hash;
+ struct hlist_node name_hash;
GElf_Shdr sh;
struct list_head symbol_list;
struct list_head rela_list;
struct list_head sections;
DECLARE_HASHTABLE(symbol_hash, 20);
DECLARE_HASHTABLE(section_hash, 16);
+ DECLARE_HASHTABLE(section_name_hash, 16);
};