platform_build/tools/lsd/hash.c
2009-03-03 19:28:42 -08:00

29 lines
747 B
C

#include <common.h>
#include <debug.h>
#include <libelf.h>
#include <hash.h>
#include <string.h>
int hash_lookup(Elf *elf,
Elf_Data *hash,
Elf_Data *symtab,
Elf_Data *symstr,
const char *symname)
{
Elf32_Word *hash_data = (Elf32_Word *)hash->d_buf;
Elf32_Word index;
Elf32_Word nbuckets = *hash_data++;
Elf32_Word *buckets = ++hash_data;
Elf32_Word *chains = hash_data + nbuckets;
index = buckets[elf_hash(symname) % nbuckets];
while(index != STN_UNDEF &&
strcmp((char *)symstr->d_buf +
((Elf32_Sym *)symtab->d_buf)[index].st_name,
symname))
{
index = chains[index];
}
return index;
}