static int
relocate_file(linker_file_t lf)
{
elf_file_t ef = lf->priv;
const Elf_Rel *rellim;
const Elf_Rel *rel;
const Elf_Rela *relalim;
const Elf_Rela *rela;
const char *symname;
/* Perform relocations without addend if there are any: */
rel = ef->rel;
if (rel) {
rellim = (const Elf_Rel *)((const char *)ef->rel + ef->relsize);
while (rel < rellim) {
if (elf_reloc(lf, (Elf_Addr)ef->address, rel, ELF_RELOC_REL, elf_lookup)) {
symname = symbol_name(ef, rel->r_info);
kprintf("link_elf: symbol %s undefined\n", symname);
return ENOENT;
}
rel++;
}
}
/* Perform relocations with addend if there are any: */
rela = ef->rela;
if (rela) {
relalim = (const Elf_Rela *)((const char *)ef->rela + ef->relasize);
while (rela < relalim) {
if (elf_reloc(lf, (Elf_Addr)ef->address, rela, ELF_RELOC_RELA, elf_lookup)) {
symname = symbol_name(ef, rela->r_info);
kprintf("link_elf: symbol %s undefined\n", symname);
return ENOENT;
}
rela++;
}
}
/* Perform PLT relocations without addend if there are any: */
rel = ef->pltrel;
if (rel) {
rellim = (const Elf_Rel *)((const char *)ef->pltrel + ef->pltrelsize);
while (rel < rellim) {
if (elf_reloc(lf, (Elf_Addr)ef->address, rel, ELF_RELOC_REL, elf_lookup)) {
symname = symbol_name(ef, rel->r_info);
kprintf("link_elf: symbol %s undefined\n", symname);
return ENOENT;
}
rel++;
}
}
/* Perform relocations with addend if there are any: */
rela = ef->pltrela;
if (rela) {
relalim = (const Elf_Rela *)((const char *)ef->pltrela + ef->pltrelasize);
while (rela < relalim) {
symname = symbol_name(ef, rela->r_info);
if (elf_reloc(lf, (Elf_Addr)ef->address, rela, ELF_RELOC_RELA, elf_lookup)) {
kprintf("link_elf: symbol %s undefined\n", symname);
return ENOENT;
}
rela++;
}
}
return 0;
}
static int
relocate_file(elf_file_t ef)
{
const Elf_Rel *rellim;
const Elf_Rel *rel;
const Elf_Rela *relalim;
const Elf_Rela *rela;
const char *symname;
const Elf_Sym *sym;
int i;
Elf_Size symidx;
Elf_Addr base;
/* Perform relocations without addend if there are any: */
for (i = 0; i < ef->nreltab; i++) {
rel = ef->reltab[i].rel;
if (rel == NULL)
panic("lost a reltab!");
rellim = rel + ef->reltab[i].nrel;
base = findbase(ef, ef->reltab[i].sec);
if (base == 0)
panic("lost base for reltab");
for ( ; rel < rellim; rel++) {
symidx = ELF_R_SYM(rel->r_info);
if (symidx >= ef->ddbsymcnt)
continue;
sym = ef->ddbsymtab + symidx;
/* Local relocs are already done */
if (ELF_ST_BIND(sym->st_info) == STB_LOCAL)
continue;
if (elf_reloc(&ef->lf, base, rel, ELF_RELOC_REL,
elf_obj_lookup)) {
symname = symbol_name(ef, rel->r_info);
printf("link_elf_obj: symbol %s undefined\n",
symname);
return ENOENT;
}
}
}
/* Perform relocations with addend if there are any: */
for (i = 0; i < ef->nrelatab; i++) {
rela = ef->relatab[i].rela;
if (rela == NULL)
panic("lost a relatab!");
relalim = rela + ef->relatab[i].nrela;
base = findbase(ef, ef->relatab[i].sec);
if (base == 0)
panic("lost base for relatab");
for ( ; rela < relalim; rela++) {
symidx = ELF_R_SYM(rela->r_info);
if (symidx >= ef->ddbsymcnt)
continue;
sym = ef->ddbsymtab + symidx;
/* Local relocs are already done */
if (ELF_ST_BIND(sym->st_info) == STB_LOCAL)
continue;
if (elf_reloc(&ef->lf, base, rela, ELF_RELOC_RELA,
elf_obj_lookup)) {
symname = symbol_name(ef, rela->r_info);
printf("link_elf_obj: symbol %s undefined\n",
symname);
return ENOENT;
}
}
}
/*
* Only clean SHN_FBSD_CACHED for successfull return. If we
* modified symbol table for the object but found an
* unresolved symbol, there is no reason to roll back.
*/
elf_obj_cleanup_globals_cache(ef);
return 0;
}
static int
relocate_file(linker_file_t lf)
{
elf_file_t ef = lf->priv;
const Elf_Rel *rellim;
const Elf_Rel *rel;
const Elf_Rela *relalim;
const Elf_Rela *rela;
const char *symname;
const Elf_Sym *sym;
int i;
Elf_Size symidx;
Elf_Addr base;
/* Perform relocations without addend if there are any: */
for (i = 0; i < ef->nreltab; i++) {
rel = ef->reltab[i].rel;
if (rel == NULL)
panic("lost a reltab!");
rellim = rel + ef->reltab[i].nrel;
base = findbase(ef, ef->reltab[i].sec);
if (base == 0)
panic("lost base for reltab");
for ( ; rel < rellim; rel++) {
symidx = ELF_R_SYM(rel->r_info);
if (symidx >= ef->ddbsymcnt)
continue;
sym = ef->ddbsymtab + symidx;
/* Local relocs are already done */
if (ELF_ST_BIND(sym->st_info) == STB_LOCAL)
continue;
if (elf_reloc(lf, base, rel, ELF_RELOC_REL,
elf_obj_lookup)) {
symname = symbol_name(ef, rel->r_info);
kprintf("link_elf_obj_obj: symbol %s undefined\n",
symname);
return ENOENT;
}
}
}
/* Perform relocations with addend if there are any: */
for (i = 0; i < ef->nrelatab; i++) {
rela = ef->relatab[i].rela;
if (rela == NULL)
panic("lost a relatab!");
relalim = rela + ef->relatab[i].nrela;
base = findbase(ef, ef->relatab[i].sec);
if (base == 0)
panic("lost base for relatab");
for ( ; rela < relalim; rela++) {
symidx = ELF_R_SYM(rela->r_info);
if (symidx >= ef->ddbsymcnt)
continue;
sym = ef->ddbsymtab + symidx;
/* Local relocs are already done */
if (ELF_ST_BIND(sym->st_info) == STB_LOCAL)
continue;
if (elf_reloc(lf, base, rela, ELF_RELOC_RELA,
elf_obj_lookup)) {
symname = symbol_name(ef, rela->r_info);
kprintf("link_elf_obj_obj: symbol %s undefined\n",
symname);
return ENOENT;
}
}
}
return 0;
}