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Re: [PATCH] Partial ILP32 support for aarch64
On Nov 24 2016, Steve Ellcey <sellcey@caviumnetworks.com> wrote:
> 2016-11-23 Andrew Pinski <andrew.pinski@caviumnetworks.com>
> Yury Norov <ynorov@caviumnetworks.com>
> Steve Ellcey <sellcey@caviumnetworks.com>
>
> * 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.
Ok.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
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