diff options
Diffstat (limited to 'sysdeps/arm/dl-machine.h')
| -rw-r--r-- | sysdeps/arm/dl-machine.h | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/sysdeps/arm/dl-machine.h b/sysdeps/arm/dl-machine.h index d6b0c5210e..31a92513ea 100644 --- a/sysdeps/arm/dl-machine.h +++ b/sysdeps/arm/dl-machine.h @@ -574,6 +574,32 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc, case R_ARM_ABS32: *reloc_addr = value + reloc->r_addend; break; +# ifdef RESOLVE_CONFLICT_FIND_MAP + case R_ARM_TLS_DESC: + { + struct tlsdesc volatile *td = + (struct tlsdesc volatile *) reloc_addr; + + RESOLVE_CONFLICT_FIND_MAP (map, reloc_addr); + + /* Make sure we know what's going on. */ + assert (td->entry + == (void *) (D_PTR (map, l_info[ADDRIDX (DT_TLSDESC_PLT)]) + + map->l_addr)); + assert (map->l_info[ADDRIDX (DT_TLSDESC_GOT)]); + + /* Set up the lazy resolver and store the pointer to our link + map in _GLOBAL_OFFSET_TABLE[1] now as for a prelinked + binary elf_machine_runtime_setup() is not called and hence + neither has been initialized. */ + *(Elf32_Addr *) (D_PTR (map, l_info[ADDRIDX (DT_TLSDESC_GOT)]) + + map->l_addr) + = (Elf32_Addr) &_dl_tlsdesc_lazy_resolver; + ((Elf32_Addr *) D_PTR (map, l_info[DT_PLTGOT]))[1] + = (Elf32_Addr) map; + } + break; +# endif /* RESOLVE_CONFLICT_FIND_MAP */ case R_ARM_PC24: relocate_pc24 (map, value, reloc_addr, reloc->r_addend); break; @@ -653,9 +679,11 @@ elf_machine_lazy_rel (struct link_map *map, (struct tlsdesc volatile *)reloc_addr; /* The linker must have given us the parameter we need in the - first GOT entry, and left the second one empty. We fill the - last with the resolver address */ - assert (td->entry == 0); + first GOT entry, and left the second one empty. The latter + will have been preset by the prelinker if used though. + We fill it with the resolver address. */ + assert (td->entry == 0 + || map->l_info[VALIDX (DT_GNU_PRELINKED)] != NULL); td->entry = (void*)(D_PTR (map, l_info[ADDRIDX (DT_TLSDESC_PLT)]) + map->l_addr); } |