diff options
| -rw-r--r-- | ChangeLog | 16 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/pread.c | 3 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/pread64.c | 3 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/pwrite.c | 3 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/pwrite64.c | 3 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sh/kernel-features.h | 5 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sh/pread.c | 23 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sh/pread64.c | 23 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sh/pwrite.c | 23 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sh/pwrite64.c | 23 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sysdep.h | 10 |
11 files changed, 35 insertions, 100 deletions
@@ -1,3 +1,19 @@ +2016-10-24 Adhemerval Zanella <adhemerval.zanella@linaro.org> + + * sysdeps/unix/sysv/linux/pread.c (__libc_pread): Use SYSCALL_LL_PRW. + * sysdeps/unix/sysv/linux/pwrite.c (__libc_pwrite): Likewise. + * sysdeps/unix/sysv/linux/pread64.c (__libc_pread64): Use + SYSCALL_LL64_PRW. + * sysdeps/unix/sysv/linux/pwrite64.c (__libc_pwrite64): Likewise. + * sysdeps/unix/sysv/linux/sh/kernel-features.h: Define + __ASSUME_PRW_DUMMY_ARG. + * sysdeps/unix/sysv/linux/sh/pread.c: Remove file. + * sysdeps/unix/sysv/linux/sh/pread64.c: Likewise. + * sysdeps/unix/sysv/linux/sh/pwrite.c: Likewise. + * sysdeps/unix/sysv/linux/sh/pwrite64.c: Likewise. + * sysdeps/unix/sysv/linux/sysdep.h: Define SYSCALL_LL_PRW and + SYSCALL_LL_PRW64 based on __ASSUME_PRW_DUMMY_ARG. + 2016-10-24 Steve Ellcey <sellcey@caviumnetworks.com> * sysdeps/unix/sysv/linux/tst-setgetname.c: Increase buffer size. diff --git a/sysdeps/unix/sysv/linux/pread.c b/sysdeps/unix/sysv/linux/pread.c index 1bcff64..46d974d 100644 --- a/sysdeps/unix/sysv/linux/pread.c +++ b/sysdeps/unix/sysv/linux/pread.c @@ -28,8 +28,7 @@ ssize_t __libc_pread (int fd, void *buf, size_t count, off_t offset) { - return SYSCALL_CANCEL (pread, fd, buf, count, - __ALIGNMENT_ARG SYSCALL_LL (offset)); + return SYSCALL_CANCEL (pread, fd, buf, count, SYSCALL_LL_PRW (offset)); } strong_alias (__libc_pread, __pread) diff --git a/sysdeps/unix/sysv/linux/pread64.c b/sysdeps/unix/sysv/linux/pread64.c index 58c6aeb..f51beae 100644 --- a/sysdeps/unix/sysv/linux/pread64.c +++ b/sysdeps/unix/sysv/linux/pread64.c @@ -26,8 +26,7 @@ ssize_t __libc_pread64 (int fd, void *buf, size_t count, off64_t offset) { - return SYSCALL_CANCEL (pread64, fd, buf, count, - __ALIGNMENT_ARG SYSCALL_LL64 (offset)); + return SYSCALL_CANCEL (pread64, fd, buf, count, SYSCALL_LL64_PRW (offset)); } weak_alias (__libc_pread64, __pread64) diff --git a/sysdeps/unix/sysv/linux/pwrite.c b/sysdeps/unix/sysv/linux/pwrite.c index 9c502be..1371df8 100644 --- a/sysdeps/unix/sysv/linux/pwrite.c +++ b/sysdeps/unix/sysv/linux/pwrite.c @@ -28,8 +28,7 @@ ssize_t __libc_pwrite (int fd, const void *buf, size_t count, off_t offset) { - return SYSCALL_CANCEL (pwrite, fd, buf, count, - __ALIGNMENT_ARG SYSCALL_LL (offset)); + return SYSCALL_CANCEL (pwrite, fd, buf, count, SYSCALL_LL_PRW (offset)); } strong_alias (__libc_pwrite, __pwrite) diff --git a/sysdeps/unix/sysv/linux/pwrite64.c b/sysdeps/unix/sysv/linux/pwrite64.c index b49e6bc..22f1f05 100644 --- a/sysdeps/unix/sysv/linux/pwrite64.c +++ b/sysdeps/unix/sysv/linux/pwrite64.c @@ -26,8 +26,7 @@ ssize_t __libc_pwrite64 (int fd, const void *buf, size_t count, off64_t offset) { - return SYSCALL_CANCEL (pwrite64, fd, buf, count, - __ALIGNMENT_ARG SYSCALL_LL64 (offset)); + return SYSCALL_CANCEL (pwrite64, fd, buf, count, SYSCALL_LL64_PRW (offset)); } weak_alias (__libc_pwrite64, __pwrite64) libc_hidden_weak (__pwrite64) diff --git a/sysdeps/unix/sysv/linux/sh/kernel-features.h b/sysdeps/unix/sysv/linux/sh/kernel-features.h index ad05fc3..c5240fa 100644 --- a/sysdeps/unix/sysv/linux/sh/kernel-features.h +++ b/sysdeps/unix/sysv/linux/sh/kernel-features.h @@ -44,3 +44,8 @@ /* SH does not have a 64-bit inode field. */ #undef __ASSUME_ST_INO_64_BIT + +/* SH4 ABI does not really require argument alignment for 64-bits, but + the kernel interface for p{read,write}64 adds a dummy long argument + before the offset. */ +#define __ASSUME_PRW_DUMMY_ARG 1 diff --git a/sysdeps/unix/sysv/linux/sh/pread.c b/sysdeps/unix/sysv/linux/sh/pread.c deleted file mode 100644 index d3f99f3..0000000 --- a/sysdeps/unix/sysv/linux/sh/pread.c +++ /dev/null @@ -1,23 +0,0 @@ -/* Copyright (C) 1997-2016 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -/* SH4 ABI does not really require argument alignment for 64-bits, but - the kernel interface for pread adds a dummy long argument before the - offset. */ -#define __ALIGNMENT_ARG -#include <sysdeps/unix/sysv/linux/pread.c> diff --git a/sysdeps/unix/sysv/linux/sh/pread64.c b/sysdeps/unix/sysv/linux/sh/pread64.c deleted file mode 100644 index b2e8a25..0000000 --- a/sysdeps/unix/sysv/linux/sh/pread64.c +++ /dev/null @@ -1,23 +0,0 @@ -/* Copyright (C) 1997-2016 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -/* SH4 ABI does not really require argument alignment for 64-bits, but - the kernel interface for pread adds a dummy long argument before the - offset. */ -#define __ALIGNMENT_ARG -#include <sysdeps/unix/sysv/linux/pread64.c> diff --git a/sysdeps/unix/sysv/linux/sh/pwrite.c b/sysdeps/unix/sysv/linux/sh/pwrite.c deleted file mode 100644 index 391ed5e..0000000 --- a/sysdeps/unix/sysv/linux/sh/pwrite.c +++ /dev/null @@ -1,23 +0,0 @@ -/* Copyright (C) 1997-2016 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -/* SH4 ABI does not really require argument alignment for 64-bits, but - the kernel interface for pwrite adds a dummy long argument before the - offset. */ -#define __ALIGNMENT_ARG -#include <sysdeps/unix/sysv/linux/pwrite.c> diff --git a/sysdeps/unix/sysv/linux/sh/pwrite64.c b/sysdeps/unix/sysv/linux/sh/pwrite64.c deleted file mode 100644 index 683a5d9..0000000 --- a/sysdeps/unix/sysv/linux/sh/pwrite64.c +++ /dev/null @@ -1,23 +0,0 @@ -/* Copyright (C) 1997-2016 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ralf Baechle <ralf@gnu.org>, 1998. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -/* SH4 ABI does not really require argument alignment for 64-bits, but - the kernel interface for pread adds a dummy long argument before the - offset. */ -#define __ALIGNMENT_ARG -#include <sysdeps/unix/sysv/linux/pwrite64.c> diff --git a/sysdeps/unix/sysv/linux/sysdep.h b/sysdeps/unix/sysv/linux/sysdep.h index a469f57..e3ecd56 100644 --- a/sysdeps/unix/sysv/linux/sysdep.h +++ b/sysdeps/unix/sysv/linux/sysdep.h @@ -48,6 +48,16 @@ __LONG_LONG_PAIR ((long) ((val) >> 32), (long) ((val) & 0xffffffff)) #endif +/* Provide a common macro to pass 64-bit value on pread and pwrite + syscalls. */ +#ifdef __ASSUME_PRW_DUMMY_ARG +# define SYSCALL_LL_PRW(val) 0, SYSCALL_LL (val) +# define SYSCALL_LL64_PRW(val) 0, SYSCALL_LL64 (val) +#else +# define SYSCALL_LL_PRW(val) __ALIGNMENT_ARG SYSCALL_LL (val) +# define SYSCALL_LL64_PRW(val) __ALIGNMENT_ARG SYSCALL_LL64 (val) +#endif + /* Provide a macro to pass the off{64}_t argument on p{readv,writev}{64}. */ #define LO_HI_LONG(val) \ (long) (val), \ |