This is the mail archive of the libc-alpha@sourceware.org mailing list for the glibc project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

[RFC2 PATCH 00/23] ARM64: support ILP32


This series enables aarch64 port with ilp32 mode.

ABI details:
 - types are taken from AARCH32, next types turned to 64-bit,
   as modern requirement for new APIs tells:
	ino_t      is  u64 type
	off_t      is  s64 type
	blkcnt_t   is  s64 type
	fsblkcnt_t is  u64 type
	fsfilcnt_t is  u64 type
 - 64-bit arguments are passed in syscall as register pair,
   as kernel internally clears top halves for all input regs;
 - standard syscall table is used;
 - 32-bit time_t is used. AARCH64/ILP32 is waiting for general
   fix of Y2038 problem just like other 32-bit arches;
 - stat{64}, statfs{64} structures are of the identical layout
   with LP64. Corresponding syscalls are taken from 64-bit code
 - struct utmp, utmpx layouts are the same.

v1: https://sourceware.org/ml/libc-alpha/2016-06/msg00730.html
v2:
 - rebased on master;
 - dropped unneeded/unrelated patches;
 - pread family platform implementation removed;
 - addressed v1 comments (I'm really sorry if I missed something,
   there are a lot of them, and I am really thankfull for detailed review);

Tested with LTP. Regressions are like this:
abort01                        FAIL       2
kill11                         FAIL       2
mmap16                         FAIL       6
open12                         FAIL       2
rename11                       FAIL       2
rmdir02                        FAIL       2
umount2_01                     FAIL       2
umount2_02                     FAIL       2
umount2_03                     FAIL       2
utime06                        FAIL       2

It's better than v1, and there are ~5 additional regressions comparing to
aarch64, all are related to filesystem.

Andrew Pinski (17):
  [AARCH64] define word size for lp64 and ilp32
  [AARCH64] Add header guards to sysdep.h headers.
  Add dynamic ILP32 AARCH64 relocations to elf.h
  [AARCH64] Add PTR_REG, PTR_LOG_SIZE, and PTR_SIZE.  Use it in
    LDST_PCREL and LDST_GLOBAL.
  [AARCH64] Use PTR_REG in crti.S.
  [AARCH64] Use PTR_REG/PTR_SIZE/PTR_SIZE_LOG in dl-tlsesc.S
  [AARCH64] Use PTR_* macros in dl-trampoline.S
  [AARCH64] Use PTR_* in start.S
  [AARCH64] Use PTR_REG in getcontext.S.
  [AARCH64] Detect ILP32 in configure scripts.
  [AARCH64] Add ILP32 support to elf_machine_load_address.
  [AARCH64] Add ILP32 to makefiles
  [AARCH64] Add support to ldconfig for ILP32 and libilp32
  [AARCH64] Add ILP32 ld.so to the known interpreter names.
  [AARCH64] Add ldd-rewrite.sed so that ilp32 ld.so can be found
  [AARCH64] Make lp64 and ilp32 directories.
  [AARCH64] Fix ILP32 warning

Yury Norov (6):
  [AARCH64] ILP32: introduce syscalls that pass off_t
  [AARCH64] ILP32: support stat syscall family
  [AARCH64] delouse input arguments in system functions
  [AARCH64] Make __SIZEOF_SEM_T 16 for ILP32
  off_t: fix register pair calculation for 64-bit case
  [AARCH64] Take utmp{,x}.h from s390 port

 elf/cache.c                                        |   3 +
 sysdeps/aarch64/Implies                            |   6 -
 sysdeps/aarch64/__longjmp.S                        |   6 +-
 sysdeps/aarch64/bits/wordsize.h                    |  25 +++
 sysdeps/aarch64/configure                          |  15 +-
 sysdeps/aarch64/configure.ac                       |  11 +-
 sysdeps/aarch64/crti.S                             |   3 +-
 sysdeps/aarch64/dl-irel.h                          |   3 +-
 sysdeps/aarch64/dl-machine.h                       | 199 ++++++++++++---------
 sysdeps/aarch64/dl-tlsdesc.S                       |  56 +++---
 sysdeps/aarch64/dl-trampoline.S                    |  18 +-
 sysdeps/aarch64/ilp32/Implies                      |   6 +
 sysdeps/aarch64/jmpbuf-unwind.h                    |   2 +-
 sysdeps/aarch64/lp64/Implies                       |   7 +
 sysdeps/aarch64/memcmp.S                           |   3 +
 sysdeps/aarch64/memcpy.S                           |   8 +
 sysdeps/aarch64/memset.S                           |   3 +
 sysdeps/aarch64/nptl/bits/semaphore.h              |   4 +
 sysdeps/aarch64/preconfigure                       |  11 +-
 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/generic/ldconfig.h                         |   1 +
 sysdeps/generic/stdint.h                           |   9 +-
 sysdeps/unix/sysv/linux/aarch64/Implies            |   2 -
 sysdeps/unix/sysv/linux/aarch64/Makefile           |  16 +-
 sysdeps/unix/sysv/linux/aarch64/bits/fcntl.h       |   6 +-
 sysdeps/unix/sysv/linux/aarch64/bits/stat.h        | 195 ++++++++++++++++++++
 sysdeps/unix/sysv/linux/aarch64/bits/statfs.h      |  64 +++++++
 sysdeps/unix/sysv/linux/aarch64/bits/typesizes.h   |  86 +++++++++
 sysdeps/unix/sysv/linux/aarch64/bits/utmp.h        |   1 +
 sysdeps/unix/sysv/linux/aarch64/bits/utmpx.h       |   1 +
 sysdeps/unix/sysv/linux/aarch64/clone.S            |   7 +
 sysdeps/unix/sysv/linux/aarch64/configure          |  24 ++-
 sysdeps/unix/sysv/linux/aarch64/configure.ac       |  11 +-
 sysdeps/unix/sysv/linux/aarch64/dl-cache.h         |  13 +-
 sysdeps/unix/sysv/linux/aarch64/getcontext.S       |   3 +-
 sysdeps/unix/sysv/linux/aarch64/ilp32/Implies      |   4 +
 .../unix/sysv/linux/aarch64/ilp32/dl-fxstatat64.c  |   7 +
 sysdeps/unix/sysv/linux/aarch64/ilp32/dl-xstat64.c |   6 +
 sysdeps/unix/sysv/linux/aarch64/ilp32/fstatfs.c    |  29 +++
 sysdeps/unix/sysv/linux/aarch64/ilp32/fstatfs64.c  |  29 +++
 sysdeps/unix/sysv/linux/aarch64/ilp32/ftruncate.c  |   1 +
 .../unix/sysv/linux/aarch64/ilp32/ftruncate64.c    |   4 +
 sysdeps/unix/sysv/linux/aarch64/ilp32/fxstat.c     |  51 ++++++
 sysdeps/unix/sysv/linux/aarch64/ilp32/fxstat64.c   |  44 +++++
 sysdeps/unix/sysv/linux/aarch64/ilp32/fxstatat.c   |  48 +++++
 sysdeps/unix/sysv/linux/aarch64/ilp32/fxstatat64.c |  52 ++++++
 sysdeps/unix/sysv/linux/aarch64/ilp32/getdents.c   |  77 ++++++++
 sysdeps/unix/sysv/linux/aarch64/ilp32/getdents64.c |   1 +
 sysdeps/unix/sysv/linux/aarch64/ilp32/lseek.c      |  36 ++++
 sysdeps/unix/sysv/linux/aarch64/ilp32/lxstat.c     |  47 +++++
 sysdeps/unix/sysv/linux/aarch64/ilp32/lxstat64.c   |  47 +++++
 sysdeps/unix/sysv/linux/aarch64/ilp32/mmap.c       |   1 +
 sysdeps/unix/sysv/linux/aarch64/ilp32/mmap64.c     |   1 +
 sysdeps/unix/sysv/linux/aarch64/ilp32/msgctl.c     |  32 ++++
 .../unix/sysv/linux/aarch64/ilp32/posix_fadvise.c  |   1 +
 .../sysv/linux/aarch64/ilp32/posix_fadvise64.c     |   2 +
 sysdeps/unix/sysv/linux/aarch64/ilp32/readahead.c  |   1 +
 sysdeps/unix/sysv/linux/aarch64/ilp32/readdir64.c  |   1 +
 sysdeps/unix/sysv/linux/aarch64/ilp32/semctl.c     |  53 ++++++
 .../unix/sysv/linux/aarch64/ilp32/shlib-versions   |   7 +
 sysdeps/unix/sysv/linux/aarch64/ilp32/shmctl.c     |  32 ++++
 sysdeps/unix/sysv/linux/aarch64/ilp32/statfs.c     |  30 ++++
 sysdeps/unix/sysv/linux/aarch64/ilp32/statfs64.c   |  29 +++
 .../unix/sysv/linux/aarch64/ilp32/syscalls.list    |   0
 sysdeps/unix/sysv/linux/aarch64/ilp32/truncate.c   |   1 +
 sysdeps/unix/sysv/linux/aarch64/ilp32/truncate64.c |   4 +
 sysdeps/unix/sysv/linux/aarch64/ilp32/xstat.c      |  47 +++++
 sysdeps/unix/sysv/linux/aarch64/ilp32/xstat64.c    |  47 +++++
 sysdeps/unix/sysv/linux/aarch64/ioctl.S            |  31 ----
 sysdeps/unix/sysv/linux/aarch64/kernel-features.h  |  27 +++
 sysdeps/unix/sysv/linux/aarch64/ldconfig.h         |   2 +
 sysdeps/unix/sysv/linux/aarch64/ldd-rewrite.sed    |   1 +
 sysdeps/unix/sysv/linux/aarch64/lp64/Implies       |   4 +
 sysdeps/unix/sysv/linux/aarch64/lp64/ioctl.S       |  31 ++++
 sysdeps/unix/sysv/linux/aarch64/lp64/mmap.c        |  34 ++++
 .../unix/sysv/linux/aarch64/lp64/shlib-versions    |   7 +
 sysdeps/unix/sysv/linux/aarch64/mmap.c             |  34 ----
 sysdeps/unix/sysv/linux/aarch64/setcontext.S       |   1 +
 sysdeps/unix/sysv/linux/aarch64/shlib-versions     |   7 -
 sysdeps/unix/sysv/linux/aarch64/sigcontextinfo.h   |   2 +-
 sysdeps/unix/sysv/linux/aarch64/swapcontext.S      |   1 +
 sysdeps/unix/sysv/linux/aarch64/sysdep.h           |   8 +-
 sysdeps/unix/sysv/linux/arm/readelflib.c           |   4 +-
 sysdeps/unix/sysv/linux/fallocate.c                |   4 +
 sysdeps/unix/sysv/linux/fallocate64.c              |   4 +
 sysdeps/unix/sysv/linux/generic/brk.c              |   2 +-
 sysdeps/unix/sysv/linux/posix_fadvise.c            |   4 +
 sysdeps/unix/sysv/linux/posix_fadvise64.c          |   4 +
 sysdeps/unix/sysv/linux/posix_fallocate.c          |   4 +
 sysdeps/unix/sysv/linux/posix_fallocate64.c        |   4 +
 100 files changed, 1649 insertions(+), 250 deletions(-)
 delete mode 100644 sysdeps/aarch64/Implies
 create mode 100644 sysdeps/aarch64/bits/wordsize.h
 mode change 100644 => 100755 sysdeps/aarch64/configure
 create mode 100644 sysdeps/aarch64/ilp32/Implies
 create mode 100644 sysdeps/aarch64/lp64/Implies
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/bits/stat.h
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/bits/statfs.h
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/bits/typesizes.h
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/bits/utmp.h
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/bits/utmpx.h
 mode change 100644 => 100755 sysdeps/unix/sysv/linux/aarch64/configure
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/Implies
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/dl-fxstatat64.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/dl-xstat64.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/fstatfs.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/fstatfs64.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/ftruncate.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/ftruncate64.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/fxstat.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/fxstat64.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/fxstatat.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/fxstatat64.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/getdents.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/getdents64.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/lseek.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/lxstat.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/lxstat64.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/mmap.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/mmap64.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/msgctl.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/posix_fadvise.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/posix_fadvise64.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/readahead.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/readdir64.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/semctl.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/shlib-versions
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/shmctl.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/statfs.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/statfs64.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/syscalls.list
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/truncate.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/truncate64.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/xstat.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ilp32/xstat64.c
 delete mode 100644 sysdeps/unix/sysv/linux/aarch64/ioctl.S
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/kernel-features.h
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/ldd-rewrite.sed
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/lp64/Implies
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/lp64/ioctl.S
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/lp64/mmap.c
 create mode 100644 sysdeps/unix/sysv/linux/aarch64/lp64/shlib-versions
 delete mode 100644 sysdeps/unix/sysv/linux/aarch64/mmap.c
 delete mode 100644 sysdeps/unix/sysv/linux/aarch64/shlib-versions

-- 
2.7.4


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]