static void
_copy_optarg(struct ld *ld, char **dst, char *src)
{
if (*dst != NULL)
free(*dst);
if ((*dst = strdup(src)) == NULL)
ld_fatal_std(ld, "strdup");
}
struct ld_wildcard *
ld_wildcard_alloc(struct ld *ld)
{
struct ld_wildcard *lw;
if ((lw = calloc(1, sizeof(*lw))) == NULL)
ld_fatal_std(ld, "calloc");
return (lw);
}
void
ld_dynamic_load_dso_dynamic(struct ld *ld, struct ld_input *li, Elf *e,
Elf_Scn *scn, size_t strndx)
{
GElf_Shdr shdr;
GElf_Dyn dyn;
Elf_Data *d;
int elferr, i, len;
const char *name;
if (strndx == SHN_UNDEF)
return;
if (gelf_getshdr(scn, &shdr) != &shdr) {
ld_warn(ld, "%s: gelf_getshdr failed: %s", li->li_name,
elf_errmsg(-1));
return;
}
(void) elf_errno();
if ((d = elf_getdata(scn, NULL)) == NULL) {
elferr = elf_errno();
if (elferr != 0)
ld_warn(ld, "%s: elf_getdata failed: %s", li->li_name,
elf_errmsg(elferr));
return;
}
len = d->d_size / shdr.sh_entsize;
for (i = 0; i < len; i++) {
if (gelf_getdyn(d, i, &dyn) != &dyn) {
ld_warn(ld, "%s: gelf_getdyn failed: %s", li->li_name,
elf_errmsg(-1));
continue;
}
switch (dyn.d_tag) {
case DT_SONAME:
name = elf_strptr(e, strndx, dyn.d_un.d_ptr);
if (name != NULL &&
(li->li_soname = strdup(name)) == NULL)
ld_fatal_std(ld, "strdup");
break;
case DT_NEEDED:
name = elf_strptr(e, strndx, dyn.d_un.d_ptr);
if (name != NULL)
ld_path_search_dso_needed(ld, li->li_file,
name);
break;
default:
break;
}
}
}
void
i386_register(struct ld *ld)
{
struct ld_arch *i386_arch;
if ((i386_arch = calloc(1, sizeof(*i386_arch))) == NULL)
ld_fatal_std(ld, "calloc");
snprintf(i386_arch->name, sizeof(i386_arch->name), "%s", "i386");
i386_arch->script = i386_script;
i386_arch->get_max_page_size = _get_max_page_size;
i386_arch->get_common_page_size = _get_common_page_size;
i386_arch->scan_reloc = _scan_reloc;
i386_arch->process_reloc = _process_reloc;
i386_arch->is_absolute_reloc = _is_absolute_reloc;
i386_arch->is_relative_reloc = _is_relative_reloc;
i386_arch->reloc_is_64bit = 0;
i386_arch->reloc_is_rela = 0;
i386_arch->reloc_entsize = sizeof(Elf32_Rel);
HASH_ADD_STR(ld->ld_arch_list, name, i386_arch);
}