diff options
| -rw-r--r-- | ChangeLog | 3 | ||||
| -rw-r--r-- | sysdeps/arm/dl-machine.h | 10 | ||||
| -rw-r--r-- | sysdeps/arm/dl-sysdep.h | 2 |
3 files changed, 12 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog index ecce7f3273..6f6016db43 100644 --- a/ChangeLog +++ b/ChangeLog @@ -4,6 +4,9 @@ * sysdeps/aarch64/dl-sysdep.h (DL_EXTERN_PROTECTED_DATA): Define. * sysdeps/aarch64/dl-machine.h (elf_machine_type_class): Handle ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA. + * sysdeps/arm/dl-sysdep.h (DL_EXTERN_PROTECTED_DATA): Define. + * sysdeps/arm/dl-machine.h (elf_machine_type_class): Handle + ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA. 2015-07-24 Siddhesh Poyarekar <siddhesh@redhat.com> diff --git a/sysdeps/arm/dl-machine.h b/sysdeps/arm/dl-machine.h index f901538255..6fb20bd747 100644 --- a/sysdeps/arm/dl-machine.h +++ b/sysdeps/arm/dl-machine.h @@ -224,18 +224,22 @@ _dl_start_user:\n\ TLS variable, so undefined references should not be allowed to define the value. ELF_RTYPE_CLASS_COPY iff TYPE should not be allowed to resolve to one - of the main executable's symbols, as for a COPY reloc. */ + of the main executable's symbols, as for a COPY reloc. + ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA iff TYPE describes relocation against + protected data whose address may be external due to copy relocation. */ #ifndef RTLD_BOOTSTRAP # define elf_machine_type_class(type) \ ((((type) == R_ARM_JUMP_SLOT || (type) == R_ARM_TLS_DTPMOD32 \ || (type) == R_ARM_TLS_DTPOFF32 || (type) == R_ARM_TLS_TPOFF32 \ || (type) == R_ARM_TLS_DESC) \ * ELF_RTYPE_CLASS_PLT) \ - | (((type) == R_ARM_COPY) * ELF_RTYPE_CLASS_COPY)) + | (((type) == R_ARM_COPY) * ELF_RTYPE_CLASS_COPY) \ + | (((type) == R_ARM_GLOB_DAT) * ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA)) #else #define elf_machine_type_class(type) \ ((((type) == R_ARM_JUMP_SLOT) * ELF_RTYPE_CLASS_PLT) \ - | (((type) == R_ARM_COPY) * ELF_RTYPE_CLASS_COPY)) + | (((type) == R_ARM_COPY) * ELF_RTYPE_CLASS_COPY) \ + | (((type) == R_ARM_GLOB_DAT) * ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA)) #endif /* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */ diff --git a/sysdeps/arm/dl-sysdep.h b/sysdeps/arm/dl-sysdep.h index e5657ddf3a..463ce591b2 100644 --- a/sysdeps/arm/dl-sysdep.h +++ b/sysdeps/arm/dl-sysdep.h @@ -21,3 +21,5 @@ /* _dl_argv cannot be attribute_relro, because _dl_start_user might write into it after _dl_start returns. */ #define DL_ARGV_NOT_RELRO 1 + +#define DL_EXTERN_PROTECTED_DATA |