Partial ILP32 support for aarch64.

System Internals / glibc - Steve Ellcey [caviumnetworks.com] - 28 November 2016 11:01 UTC

- sysdeps/aarch64/crti.S: Add include of sysdep.h. (call_weak_fn): Use PTR_REG to get correct reg name in ILP32.
- sysdeps/aarch64/dl-irel.h: Add include of sysdep.h. (elf_irela): Use AARCH64_R macro to get correct relocation in ILP32.
- sysdeps/aarch64/dl-machine.h: Add include of sysdep.h. (elf_machine_load_address, RTLD_START, RTLD_START_1, RTLD_START, elf_machine_type_class, ELF_MACHINE_JMP_SLOT, elf_machine_rela, elf_machine_lazy_rel): Add ifdef's for ILP32 support.
- sysdeps/aarch64/dl-tlsdesc.S (_dl_tlsdesc_return, _dl_tlsdesc_return_lazy, _dl_tlsdesc_dynamic, _dl_tlsdesc_resolve_hold): Extend pointers in ILP32, use PTR_REG to get correct reg name for ILP32.
- sysdeps/aarch64/dl-trampoline.S (ip01): New Macro. (RELA_SIZE): New Macro. (_dl_runtime_resolve, _dl_runtime_profile): Use new macros and PTR_REG to support ILP32.
- sysdeps/aarch64/jmpbuf-unwind.h (_JMPBUF_CFA_UNWINDS_ADJ): Add cast for ILP32 mode.
- sysdeps/aarch64/memcmp.S (memcmp): Extend arg pointers for ILP32 mode.
- sysdeps/aarch64/memcpy.S (memmove, memcpy): Ditto.
- sysdeps/aarch64/memset.S (__memset): Ditto.
- sysdeps/aarch64/strchr.S (strchr): Ditto.
- sysdeps/aarch64/strchrnul.S (__strchrnul): Ditto.
- sysdeps/aarch64/strcmp.S (strcmp): Ditto.
- sysdeps/aarch64/strcpy.S (strcpy): Ditto.
- sysdeps/aarch64/strlen.S (__strlen): Ditto.
- sysdeps/aarch64/strncmp.S (strncmp): Ditto.
- sysdeps/aarch64/strnlen.S (strnlen): Ditto.
- sysdeps/aarch64/strrchr.S (strrchr): Ditto.
- sysdeps/unix/sysv/linux/aarch64/clone.S: Ditto.
- sysdeps/unix/sysv/linux/aarch64/setcontext.S (__setcontext): Ditto.
- sysdeps/unix/sysv/linux/aarch64/swapcontext.S (__swapcontext): Ditto.
- sysdeps/aarch64/__longjmp.S (__longjmp): Extend pointers in ILP32, change PTR_MANGLE call to use register numbers instead of names.
- sysdeps/unix/sysv/linux/aarch64/getcontext.S (__getcontext): Ditto.
- sysdeps/aarch64/setjmp.S (__sigsetjmp): Extend arg pointers for ILP32 mode, change PTR_MANGLE calls to use register numbers.
- sysdeps/aarch64/start.S (_start): Ditto.
- sysdeps/aarch64/nptl/bits/pthreadtypes.h (__PTHREAD_RWLOCK_INT_FLAGS_SHARED): New define. (__SIZEOF_PTHREAD_ATTR_T, __SIZEOF_PTHREAD_MUTEX_T, __SIZEOF_PTHREAD_MUTEXATTR_T, __SIZEOF_PTHREAD_COND_T, __SIZEOF_PTHREAD_COND_COMPAT_T, __SIZEOF_PTHREAD_CONDATTR_T, __SIZEOF_PTHREAD_RWLOCK_T, __SIZEOF_PTHREAD_RWLOCKATTR_T, __SIZEOF_PTHREAD_BARRIER_T, __SIZEOF_PTHREAD_BARRIERATTR_T): Make defined values dependent on __ILP32__.
- sysdeps/aarch64/nptl/bits/semaphore.h (__SIZEOF_SEM_T): Change define. (sem_t): Change __align type.
- sysdeps/aarch64/sysdep.h (AARCH64_R, PTR_REG, PTR_LOG_SIZE, DELOUSE, PTR_SIZE): New Macros. (LDST_PCREL, LDST_GLOBAL) Update to use PTR_REG.
- sysdeps/unix/sysv/linux/aarch64/bits/fcntl.h (O_LARGEFILE): Set when in ILP32 mode. (F_GETLK64, F_SETLK64, F_SETLKW64): Only set in LP64 mode.
- sysdeps/unix/sysv/linux/aarch64/dl-cache.h (DL_CACHE_DEFAULT_ID): Set elf flags for ILP32. (add_system_dir): Set ILP32 library directories.
- sysdeps/unix/sysv/linux/aarch64/init-first.c (_libc_vdso_platform_setup): Set minimum kernel version for ILP32.
- sysdeps/unix/sysv/linux/aarch64/ldconfig.h (SYSDEP_KNOWN_INTERPRETER_NAMES): Add ILP32 names.
- sysdeps/unix/sysv/linux/aarch64/sigcontextinfo.h (GET_PC, SET_PC): New Macros.
- sysdeps/unix/sysv/linux/aarch64/sysdep.h: Handle ILP32 pointers.

389d1f1 Partial ILP32 support for aarch64.
ChangeLog | 69 ++++++++
sysdeps/aarch64/__longjmp.S | 6 +-
sysdeps/aarch64/crti.S | 3 +-
sysdeps/aarch64/dl-irel.h | 3 +-
sysdeps/aarch64/dl-machine.h | 199 ++++++++++++----------
sysdeps/aarch64/dl-tlsdesc.S | 55 +++---
sysdeps/aarch64/dl-trampoline.S | 18 +-
sysdeps/aarch64/jmpbuf-unwind.h | 3 +-
sysdeps/aarch64/memcmp.S | 3 +
sysdeps/aarch64/memcpy.S | 8 +
sysdeps/aarch64/memset.S | 3 +
sysdeps/aarch64/nptl/bits/pthreadtypes.h | 34 ++--
sysdeps/aarch64/nptl/bits/semaphore.h | 8 +-
sysdeps/aarch64/setjmp.S | 5 +-
sysdeps/aarch64/start.S | 20 ++-
sysdeps/aarch64/strchr.S | 1 +
sysdeps/aarch64/strchrnul.S | 1 +
sysdeps/aarch64/strcmp.S | 2 +
sysdeps/aarch64/strcpy.S | 2 +
sysdeps/aarch64/strlen.S | 2 +
sysdeps/aarch64/strncmp.S | 3 +
sysdeps/aarch64/strnlen.S | 3 +
sysdeps/aarch64/strrchr.S | 1 +
sysdeps/aarch64/sysdep.h | 39 ++++-
sysdeps/unix/sysv/linux/aarch64/bits/fcntl.h | 8 +-
sysdeps/unix/sysv/linux/aarch64/clone.S | 7 +
sysdeps/unix/sysv/linux/aarch64/dl-cache.h | 15 +-
sysdeps/unix/sysv/linux/aarch64/getcontext.S | 3 +-
sysdeps/unix/sysv/linux/aarch64/init-first.c | 12 +-
sysdeps/unix/sysv/linux/aarch64/ldconfig.h | 2 +
sysdeps/unix/sysv/linux/aarch64/setcontext.S | 1 +
sysdeps/unix/sysv/linux/aarch64/sigcontextinfo.h | 3 +-
sysdeps/unix/sysv/linux/aarch64/swapcontext.S | 1 +
sysdeps/unix/sysv/linux/aarch64/sysdep.h | 8 +-
34 files changed, 384 insertions(+), 167 deletions(-)

Upstream: sourceware.org

  • Share