diff options
| -rw-r--r-- | libc/sysdeps/linux/c6x/Makefile.arch | 3 | ||||
| -rw-r--r-- | libc/sysdeps/linux/c6x/pread_write.c | 103 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/pread_write.c | 2 | ||||
| -rw-r--r-- | libc/sysdeps/linux/mips/pread_write.c | 116 | ||||
| -rw-r--r-- | libc/sysdeps/linux/powerpc/pread_write.c | 70 | ||||
| -rw-r--r-- | libc/sysdeps/linux/sh/pread_write.c | 109 | ||||
| -rw-r--r-- | libc/sysdeps/linux/xtensa/pread_write.c | 79 |
7 files changed, 88 insertions, 394 deletions
diff --git a/libc/sysdeps/linux/c6x/Makefile.arch b/libc/sysdeps/linux/c6x/Makefile.arch index 6bb44f203..5f8aaec20 100644 --- a/libc/sysdeps/linux/c6x/Makefile.arch +++ b/libc/sysdeps/linux/c6x/Makefile.arch @@ -5,6 +5,7 @@ # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. # -CSRC := brk.c pread_write.c syscall.c prctl.c +CSRC := brk.c syscall.c prctl.c +#CSRC := SSRC := __longjmp.S bsd-_setjmp.S bsd-setjmp.S clone.S setjmp.S _vfork.S diff --git a/libc/sysdeps/linux/c6x/pread_write.c b/libc/sysdeps/linux/c6x/pread_write.c deleted file mode 100644 index f985b4374..000000000 --- a/libc/sysdeps/linux/c6x/pread_write.c +++ /dev/null @@ -1,103 +0,0 @@ -/* vi: set sw=4 ts=4: - * - * Copyright (C) 2002 by Erik Andersen <andersen@uclibc.org> - * Based in part on the files - * ./sysdeps/unix/sysv/linux/pwrite.c, - * ./sysdeps/unix/sysv/linux/pread.c, - * sysdeps/posix/pread.c - * sysdeps/posix/pwrite.c - * from GNU libc 2.2.5, but reworked considerably... - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU Library General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program 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 Library General Public License - * for more details. - * - * You should have received a copy of the GNU Library General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#define _LARGEFILE64_SOURCE -#include <features.h> -#undef __OPTIMIZE__ -/* We absolutely do _NOT_ want interfaces silently - * * * renamed under us or very bad things will happen... */ -#ifdef __USE_FILE_OFFSET64 -# undef __USE_FILE_OFFSET64 -#endif - - -#include <errno.h> -#include <sys/types.h> -#include <sys/syscall.h> -#include <unistd.h> -#include <stdint.h> - -extern __typeof(pread) __libc_pread; -extern __typeof(pwrite) __libc_pwrite; -#ifdef __UCLIBC_HAS_LFS__ -extern __typeof(pread64) __libc_pread64; -extern __typeof(pwrite64) __libc_pwrite64; -#endif - -#ifdef __NR_pread64 /* Newer kernels renamed but it's the same. */ -# ifdef __NR_pread -# error "__NR_pread and __NR_pread64 both defined???" -# endif -# define __NR_pread __NR_pread64 -#endif - -#define __NR___syscall_pread __NR_pread -static inline _syscall5(ssize_t, __syscall_pread, int, fd, void *, buf, - size_t, count, off_t, offset_hi, off_t, offset_lo); - -ssize_t __libc_pread(int fd, void *buf, size_t count, off_t offset) -{ - return(__syscall_pread(fd,buf,count,offset,offset >> 31)); -} -weak_alias (__libc_pread, pread) - -#if defined __UCLIBC_HAS_LFS__ -ssize_t __libc_pread64(int fd, void *buf, size_t count, off64_t offset) -{ - uint32_t low = offset & 0xffffffff; - uint32_t high = offset >> 32; - return(__syscall_pread(fd, buf, count, low, high)); -} -weak_alias (__libc_pread64, pread64) -#endif /* __UCLIBC_HAS_LFS__ */ - - -#ifdef __NR_pwrite64 /* Newer kernels renamed but it's the same. */ -# ifdef __NR_pwrite -# error "__NR_pwrite and __NR_pwrite64 both defined???" -# endif -# define __NR_pwrite __NR_pwrite64 -#endif - -#define __NR___syscall_pwrite __NR_pwrite -static inline _syscall5(ssize_t, __syscall_pwrite, int, fd, const void *, buf, - size_t, count, off_t, offset_hi, off_t, offset_lo); - -ssize_t __libc_pwrite(int fd, const void *buf, size_t count, off_t offset) -{ - return(__syscall_pwrite(fd,buf,count,offset,offset >> 31)); -} -weak_alias (__libc_pwrite, pwrite) - -#if defined __UCLIBC_HAS_LFS__ -ssize_t __libc_pwrite64(int fd, const void *buf, size_t count, off64_t offset) -{ - uint32_t low = offset & 0xffffffff; - uint32_t high = offset >> 32; - return(__syscall_pwrite(fd, buf, count, low, high)); -} -weak_alias (__libc_pwrite64, pwrite64) -#endif /* __UCLIBC_HAS_LFS__ */ - diff --git a/libc/sysdeps/linux/common/pread_write.c b/libc/sysdeps/linux/common/pread_write.c index 3d04bb7e5..dd5d36c86 100644 --- a/libc/sysdeps/linux/common/pread_write.c +++ b/libc/sysdeps/linux/common/pread_write.c @@ -35,6 +35,7 @@ static _syscall5(ssize_t, __syscall_pread, int, fd, void *, buf, size_t, count, off_t, offset_hi, off_t, offset_lo) # define MY_PREAD(fd, buf, count, offset) __syscall_pread(fd, buf, count, OFF_HI_LO(offset)) # define MY_PREAD64(fd, buf, count, offset) __syscall_pread(fd, buf, count, OFF64_HI_LO(offset)) +# endif #endif #ifndef MY_PWRITE @@ -44,6 +45,7 @@ static _syscall5(ssize_t, __syscall_pwrite, int, fd, const void *, buf, size_t, count, off_t, offset_hi, off_t, offset_lo) # define MY_PWRITE(fd, buf, count, offset) __syscall_pwrite(fd, buf, count, OFF_HI_LO(offset)) # define MY_PWRITE64(fd, buf, count, offset) __syscall_pwrite(fd, buf, count, OFF64_HI_LO(offset)) +# endif #endif static ssize_t __NC(pread)(int fd, void *buf, size_t count, off_t offset) diff --git a/libc/sysdeps/linux/mips/pread_write.c b/libc/sysdeps/linux/mips/pread_write.c index ea6b15f6a..b777dc47e 100644 --- a/libc/sysdeps/linux/mips/pread_write.c +++ b/libc/sysdeps/linux/mips/pread_write.c @@ -4,76 +4,39 @@ * * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ -/* - * Based in part on the files - * ./sysdeps/unix/sysv/linux/pwrite.c, - * ./sysdeps/unix/sysv/linux/pread.c, - * sysdeps/posix/pread.c - * sysdeps/posix/pwrite.c - * from GNU libc 2.2.5, but reworked considerably... - */ #include <sys/syscall.h> #include <unistd.h> -#include <stdint.h> #include <endian.h> #include <sgidefs.h> -#ifdef __NR_pread64 /* Newer kernels renamed but it's the same. */ +#ifdef __NR_pread64 # ifdef __NR_pread # error "__NR_pread and __NR_pread64 both defined???" # endif # define __NR_pread __NR_pread64 #endif -extern __typeof(pread) __libc_pread; -extern __typeof(pwrite) __libc_pwrite; -#ifdef __UCLIBC_HAS_LFS__ -extern __typeof(pread64) __libc_pread64; -extern __typeof(pwrite64) __libc_pwrite64; -#endif - -#include <bits/kernel_types.h> - - #ifdef __NR_pread - -# if _MIPS_SIM == _MIPS_SIM_ABI64 -# define __NR___libc_pread __NR_pread -_syscall4(ssize_t, __libc_pread, int, fd, void *, buf, size_t, count, off_t, offset) -weak_alias (__libc_pread, pread) -# ifdef __UCLIBC_HAS_LFS__ -# define __NR___libc_pread64 __NR_pread -_syscall4(ssize_t, __libc_pread64, int, fd, void *, buf, size_t, count, off64_t, offset) -weak_alias (__libc_pread64, pread64) -# endif /* __UCLIBC_HAS_LFS__ */ +# if _MIPS_SIM == _MIPS_SIM_ABI64 /* glibc uses it for N32 as well */ +# define __NR___syscall_pread __NR_pread +static _syscall4(ssize_t, __syscall_pread, int, fd, void *, buf, size_t, count, off_t, offset) +# define MY_PREAD(fd, buf, count, offset) \ + __syscall_pread(fd, buf, count, offset) +# define MY_PREAD64(fd, buf, count, offset) \ + __syscall_pread(fd, buf, count, offset) # else /* O32 || N32 */ # define __NR___syscall_pread __NR_pread -static __inline__ _syscall6(ssize_t, __syscall_pread, int, fd, void *, buf, - size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo) - -ssize_t __libc_pread(int fd, void *buf, size_t count, off_t offset) -{ - return(__syscall_pread(fd,buf,count,0,__LONG_LONG_PAIR(offset>>31,offset))); -} -weak_alias(__libc_pread,pread) - -# ifdef __UCLIBC_HAS_LFS__ -ssize_t __libc_pread64(int fd, void *buf, size_t count, off64_t offset) -{ - uint32_t low = offset & 0xffffffff; - uint32_t high = offset >> 32; - return(__syscall_pread(fd, buf, count, 0, __LONG_LONG_PAIR (high, low))); -} -weak_alias(__libc_pread64,pread64) -# endif /* __UCLIBC_HAS_LFS__ */ -# endif /* O32 || N32 */ - -#endif /* __NR_pread */ - -/**********************************************************************/ +static _syscall6(ssize_t, __syscall_pread, int, fd, void *, buf, + size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo) +# define MY_PREAD(fd, buf, count, offset) \ + __syscall_pread(fd, buf, count, 0, OFF_HI_LO(offset)) +# define MY_PREAD64(fd, buf, count, offset) \ + __syscall_pread(fd, buf, count, 0, OFF64_HI_LO(offset)) +# endif +#endif -#ifdef __NR_pwrite64 /* Newer kernels renamed but it's the same. */ +#ifdef __NR_pwrite64 # ifdef __NR_pwrite # error "__NR_pwrite and __NR_pwrite64 both defined???" # endif @@ -81,35 +44,22 @@ weak_alias(__libc_pread64,pread64) #endif #ifdef __NR_pwrite - -# if _MIPS_SIM == _MIPS_SIM_ABI64 -# define __NR___libc_pwrite __NR_pwrite -_syscall4(ssize_t, __libc_pwrite, int, fd, const void *, buf, size_t, count, off_t, offset) -weak_alias (__libc_pwrite, pwrite) -# ifdef __UCLIBC_HAS_LFS__ -# define __NR___libc_pwrite64 __NR_pwrite -_syscall4(ssize_t, __libc_pwrite64, int, fd, const void *, buf, size_t, count, off64_t, offset) -weak_alias (__libc_pwrite64, pwrite64) -# endif /* __UCLIBC_HAS_LFS__ */ +# if _MIPS_SIM == _MIPS_SIM_ABI64 /* glibc uses it for N32 as well */ +# define __NR___syscall_pwrite __NR_pwrite +static _syscall4(ssize_t, __syscall_pwrite, int, fd, const void *, buf, size_t, count, off_t, offset) +# define MY_PWRITE(fd, buf, count, offset) \ + __syscall_pwrite(fd, buf, count, offset) +# define MY_PWRITE64(fd, buf, count, offset) \ + __syscall_pwrite(fd, buf, count, offset) # else /* O32 || N32 */ # define __NR___syscall_pwrite __NR_pwrite -static __inline__ _syscall6(ssize_t, __syscall_pwrite, int, fd, const void *, buf, - size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo) - -ssize_t __libc_pwrite(int fd, const void *buf, size_t count, off_t offset) -{ - return(__syscall_pwrite(fd,buf,count,0,__LONG_LONG_PAIR(offset>>31,offset))); -} -weak_alias(__libc_pwrite,pwrite) +static _syscall6(ssize_t, __syscall_pwrite, int, fd, const void *, buf, + size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo) +# define MY_PWRITE(fd, buf, count, offset) \ + __syscall_pwrite(fd, buf, count, 0, OFF_HI_LO(offset)) +# define MY_PWRITE64(fd, buf, count, offset) \ + __syscall_pwrite(fd, buf, count, 0, OFF64_HI_LO(offset)) +# endif +#endif -# ifdef __UCLIBC_HAS_LFS__ -ssize_t __libc_pwrite64(int fd, const void *buf, size_t count, off64_t offset) -{ - uint32_t low = offset & 0xffffffff; - uint32_t high = offset >> 32; - return(__syscall_pwrite(fd, buf, count, 0, __LONG_LONG_PAIR (high, low))); -} -weak_alias(__libc_pwrite64,pwrite64) -# endif /* __UCLIBC_HAS_LFS__ */ -# endif /* O32 || N32 */ -#endif /* __NR_pwrite */ +#include "../common/pread_write.c" diff --git a/libc/sysdeps/linux/powerpc/pread_write.c b/libc/sysdeps/linux/powerpc/pread_write.c index 92a184c3d..5cb338622 100644 --- a/libc/sysdeps/linux/powerpc/pread_write.c +++ b/libc/sysdeps/linux/powerpc/pread_write.c @@ -1,26 +1,15 @@ -/* vi: set sw=4 ts=4: - * +/* vi: set sw=4 ts=4: */ +/* * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> * * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ -/* Based in part on the files - * ./sysdeps/unix/sysv/linux/pwrite.c, - * ./sysdeps/unix/sysv/linux/pread.c, - * sysdeps/posix/pread.c - * sysdeps/posix/pwrite.c - * from GNU libc 2.2.5, but reworked considerably... - */ #include <sys/syscall.h> #include <unistd.h> #include <endian.h> -#ifndef __UCLIBC_HAS_LFS__ -# define off64_t off_t -#endif - -#ifdef __NR_pread64 /* Newer kernels renamed but it's the same. */ +#ifdef __NR_pread64 # ifdef __NR_pread # error "__NR_pread and __NR_pread64 both defined???" # endif @@ -28,28 +17,16 @@ #endif #ifdef __NR_pread -extern __typeof(pread) __libc_pread; # define __NR___syscall_pread __NR_pread -static __inline__ _syscall6(ssize_t, __syscall_pread, int, fd, - void *, buf, size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo) - -ssize_t __libc_pread(int fd, void *buf, size_t count, off_t offset) -{ - return(__syscall_pread(fd, buf, count, 0, __LONG_LONG_PAIR(offset >> 31, offset))); -} -weak_alias(__libc_pread,pread) - -# ifdef __UCLIBC_HAS_LFS__ -extern __typeof(pread64) __libc_pread64; -ssize_t __libc_pread64(int fd, void *buf, size_t count, off64_t offset) -{ - return(__syscall_pread(fd, buf, count, 0, __LONG_LONG_PAIR(offset >> 32, offset))); -} -weak_alias(__libc_pread64,pread64) -# endif /* __UCLIBC_HAS_LFS__ */ -#endif /* __NR_pread */ +static _syscall6(ssize_t, __syscall_pread, int, fd, void *, buf, + size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo) +# define MY_PREAD(fd, buf, count, offset) \ + __syscall_pread(fd, buf, count, 0, OFF_HI_LO(offset)) +# define MY_PREAD64(fd, buf, count, offset) \ + __syscall_pread(fd, buf, count, 0, OFF64_HI_LO(offset)) +#endif -#ifdef __NR_pwrite64 /* Newer kernels renamed but it's the same. */ +#ifdef __NR_pwrite64 # ifdef __NR_pwrite # error "__NR_pwrite and __NR_pwrite64 both defined???" # endif @@ -57,23 +34,14 @@ weak_alias(__libc_pread64,pread64) #endif #ifdef __NR_pwrite -extern __typeof(pwrite) __libc_pwrite; # define __NR___syscall_pwrite __NR_pwrite -static __inline__ _syscall6(ssize_t, __syscall_pwrite, int, fd, - const void *, buf, size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo) -ssize_t __libc_pwrite(int fd, const void *buf, size_t count, off_t offset) -{ - return(__syscall_pwrite(fd, buf, count, 0, __LONG_LONG_PAIR(offset >> 31, offset))); -} -weak_alias(__libc_pwrite,pwrite) +static _syscall6(ssize_t, __syscall_pwrite, int, fd, const void *, buf, + size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo) +# define MY_PWRITE(fd, buf, count, offset) \ + __syscall_pwrite(fd, buf, count, 0, OFF_HI_LO(offset)) +# define MY_PWRITE64(fd, buf, count, offset) \ + __syscall_pwrite(fd, buf, count, 0, OFF64_HI_LO(offset)) +#endif -# ifdef __UCLIBC_HAS_LFS__ -extern __typeof(pwrite64) __libc_pwrite64; -ssize_t __libc_pwrite64(int fd, const void *buf, size_t count, off64_t offset) -{ - return(__syscall_pwrite(fd, buf, count, 0, __LONG_LONG_PAIR(offset >> 32, offset))); -} -weak_alias(__libc_pwrite64,pwrite64) -# endif /* __UCLIBC_HAS_LFS__ */ -#endif /* __NR_pwrite */ +#include "../common/pread_write.c" diff --git a/libc/sysdeps/linux/sh/pread_write.c b/libc/sysdeps/linux/sh/pread_write.c index 86feb9cce..f4453a604 100644 --- a/libc/sysdeps/linux/sh/pread_write.c +++ b/libc/sysdeps/linux/sh/pread_write.c @@ -4,28 +4,12 @@ * * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ -/* - * Based in part on the files - * ./sysdeps/unix/sysv/linux/pwrite.c, - * ./sysdeps/unix/sysv/linux/pread.c, - * sysdeps/posix/pread.c - * sysdeps/posix/pwrite.c - * from GNU libc 2.2.5, but reworked considerably... - */ #include <sys/syscall.h> #include <unistd.h> -#include <stdint.h> #include <endian.h> -#ifdef __UCLIBC_HAS_THREADS_NATIVE__ -#include <sysdep-cancel.h> -#else -#define SINGLE_THREAD_P 1 -#endif - - -#ifdef __NR_pread64 /* Newer kernels renamed but it's the same. */ +#ifdef __NR_pread64 # ifdef __NR_pread # error "__NR_pread and __NR_pread64 both defined???" # endif @@ -33,49 +17,16 @@ #endif #ifdef __NR_pread -extern __typeof(pread) __libc_pread; # define __NR___syscall_pread __NR_pread -static __inline__ _syscall6(ssize_t, __syscall_pread, int, fd, void *, buf, - size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo) - -ssize_t __libc_pread(int fd, void *buf, size_t count, off_t offset) -{ - if (SINGLE_THREAD_P) - return(__syscall_pread(fd,buf,count,0,__LONG_LONG_PAIR(offset >> 31,offset))); - -#ifdef __UCLIBC_HAS_THREADS_NATIVE__ - int oldtype = LIBC_CANCEL_ASYNC (); - ssize_t result = __syscall_pread(fd,buf,count,0,__LONG_LONG_PAIR(offset >> 31,offset)); - LIBC_CANCEL_RESET (oldtype); - return result; -#endif -} -weak_alias(__libc_pread,pread) - -# ifdef __UCLIBC_HAS_LFS__ -extern __typeof(pread64) __libc_pread64; -ssize_t __libc_pread64(int fd, void *buf, size_t count, off64_t offset) -{ - uint32_t low = offset & 0xffffffff; - uint32_t high = offset >> 32; - - if (SINGLE_THREAD_P) - return __syscall_pread(fd, buf, count, 0, __LONG_LONG_PAIR (high, low)); - -#ifdef __UCLIBC_HAS_THREADS_NATIVE__ - int oldtype = LIBC_CANCEL_ASYNC (); - ssize_t result = __syscall_pread(fd, buf, count, 0, __LONG_LONG_PAIR (high, low)); - LIBC_CANCEL_RESET (oldtype); - return result; +static _syscall6(ssize_t, __syscall_pread, int, fd, void *, buf, + size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo) +# define MY_PREAD(fd, buf, count, offset) \ + __syscall_pread(fd, buf, count, 0, OFF_HI_LO(offset)) +# define MY_PREAD64(fd, buf, count, offset) \ + __syscall_pread(fd, buf, count, 0, OFF64_HI_LO(offset)) #endif -} -weak_alias(__libc_pread64,pread64) -# endif /* __UCLIBC_HAS_LFS__ */ -#endif /* __NR_pread */ - -/**********************************************************************/ -#ifdef __NR_pwrite64 /* Newer kernels renamed but it's the same. */ +#ifdef __NR_pwrite64 # ifdef __NR_pwrite # error "__NR_pwrite and __NR_pwrite64 both defined???" # endif @@ -83,43 +34,13 @@ weak_alias(__libc_pread64,pread64) #endif #ifdef __NR_pwrite -extern __typeof(pwrite) __libc_pwrite; # define __NR___syscall_pwrite __NR_pwrite -static __inline__ _syscall6(ssize_t, __syscall_pwrite, int, fd, const void *, buf, - size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo) - -ssize_t __libc_pwrite(int fd, const void *buf, size_t count, off_t offset) -{ - if (SINGLE_THREAD_P) - return __syscall_pwrite(fd,buf,count,0,__LONG_LONG_PAIR(offset >> 31,offset)); - -#ifdef __UCLIBC_HAS_THREADS_NATIVE__ - int oldtype = LIBC_CANCEL_ASYNC (); - ssize_t result = __syscall_pwrite(fd,buf,count,0,__LONG_LONG_PAIR(offset >> 31,offset)); - LIBC_CANCEL_RESET (oldtype); - return result; +static _syscall6(ssize_t, __syscall_pwrite, int, fd, const void *, buf, + size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo) +# define MY_PWRITE(fd, buf, count, offset) \ + __syscall_pwrite(fd, buf, count, 0, OFF_HI_LO(offset)) +# define MY_PWRITE64(fd, buf, count, offset) \ + __syscall_pwrite(fd, buf, count, 0, OFF64_HI_LO(offset)) #endif -} -weak_alias(__libc_pwrite,pwrite) - -# ifdef __UCLIBC_HAS_LFS__ -extern __typeof(pwrite64) __libc_pwrite64; -ssize_t __libc_pwrite64(int fd, const void *buf, size_t count, off64_t offset) -{ - uint32_t low = offset & 0xffffffff; - uint32_t high = offset >> 32; - - if (SINGLE_THREAD_P) - return __syscall_pwrite(fd, buf, count, 0, __LONG_LONG_PAIR (high, low)); - -#ifdef __UCLIBC_HAS_THREADS_NATIVE__ - int oldtype = LIBC_CANCEL_ASYNC (); - ssize_t result = __syscall_pwrite(fd, buf, count, 0, __LONG_LONG_PAIR (high, low)); - LIBC_CANCEL_RESET (oldtype); - return result; -#endif -} -weak_alias(__libc_pwrite64,pwrite64) -# endif /* __UCLIBC_HAS_LFS__ */ -#endif /* __NR_pwrite */ +#include "../common/pread_write.c" diff --git a/libc/sysdeps/linux/xtensa/pread_write.c b/libc/sysdeps/linux/xtensa/pread_write.c index e8b39e9cf..f4453a604 100644 --- a/libc/sysdeps/linux/xtensa/pread_write.c +++ b/libc/sysdeps/linux/xtensa/pread_write.c @@ -4,30 +4,12 @@ * * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ -/* - * Based in part on the files - * ./sysdeps/unix/sysv/linux/pwrite.c, - * ./sysdeps/unix/sysv/linux/pread.c, - * sysdeps/posix/pread.c - * sysdeps/posix/pwrite.c - * from GNU libc 2.2.5, but reworked considerably... - */ #include <sys/syscall.h> #include <unistd.h> -#include <stdint.h> #include <endian.h> -extern __typeof(pread) __libc_pread; -extern __typeof(pwrite) __libc_pwrite; -#ifdef __UCLIBC_HAS_LFS__ -extern __typeof(pread64) __libc_pread64; -extern __typeof(pwrite64) __libc_pwrite64; -#endif - -#include <bits/kernel_types.h> - -#ifdef __NR_pread64 /* Newer kernels renamed but it's the same. */ +#ifdef __NR_pread64 # ifdef __NR_pread # error "__NR_pread and __NR_pread64 both defined???" # endif @@ -35,31 +17,16 @@ extern __typeof(pwrite64) __libc_pwrite64; #endif #ifdef __NR_pread - # define __NR___syscall_pread __NR_pread -/* On Xtensa, 64-bit values are aligned in even/odd register pairs. */ -static __inline__ _syscall6(ssize_t, __syscall_pread, int, fd, void *, buf, - size_t, count, int, pad, off_t, offset_hi, off_t, offset_lo) - -ssize_t __libc_pread(int fd, void *buf, size_t count, off_t offset) -{ - return __syscall_pread(fd, buf, count, 0, __LONG_LONG_PAIR(offset >> 31, offset)); -} -weak_alias(__libc_pread,pread) - -# ifdef __UCLIBC_HAS_LFS__ -ssize_t __libc_pread64(int fd, void *buf, size_t count, off64_t offset) -{ - uint32_t low = offset & 0xffffffff; - uint32_t high = offset >> 32; - return __syscall_pread(fd, buf, count, 0, __LONG_LONG_PAIR(high, low)); -} -weak_alias(__libc_pread64,pread64) -# endif /* __UCLIBC_HAS_LFS__ */ - -#endif /* __NR_pread */ +static _syscall6(ssize_t, __syscall_pread, int, fd, void *, buf, + size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo) +# define MY_PREAD(fd, buf, count, offset) \ + __syscall_pread(fd, buf, count, 0, OFF_HI_LO(offset)) +# define MY_PREAD64(fd, buf, count, offset) \ + __syscall_pread(fd, buf, count, 0, OFF64_HI_LO(offset)) +#endif -#ifdef __NR_pwrite64 /* Newer kernels renamed but it's the same. */ +#ifdef __NR_pwrite64 # ifdef __NR_pwrite # error "__NR_pwrite and __NR_pwrite64 both defined???" # endif @@ -67,25 +34,13 @@ weak_alias(__libc_pread64,pread64) #endif #ifdef __NR_pwrite - # define __NR___syscall_pwrite __NR_pwrite -/* On Xtensa, 64-bit values are aligned in even/odd register pairs. */ -static __inline__ _syscall6(ssize_t, __syscall_pwrite, int, fd, const void *, buf, - size_t, count, int, pad, off_t, offset_hi, off_t, offset_lo) - -ssize_t __libc_pwrite(int fd, const void *buf, size_t count, off_t offset) -{ - return __syscall_pwrite(fd, buf, count, 0, __LONG_LONG_PAIR(offset >> 31, offset)); -} -weak_alias(__libc_pwrite,pwrite) +static _syscall6(ssize_t, __syscall_pwrite, int, fd, const void *, buf, + size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo) +# define MY_PWRITE(fd, buf, count, offset) \ + __syscall_pwrite(fd, buf, count, 0, OFF_HI_LO(offset)) +# define MY_PWRITE64(fd, buf, count, offset) \ + __syscall_pwrite(fd, buf, count, 0, OFF64_HI_LO(offset)) +#endif -# ifdef __UCLIBC_HAS_LFS__ -ssize_t __libc_pwrite64(int fd, const void *buf, size_t count, off64_t offset) -{ - uint32_t low = offset & 0xffffffff; - uint32_t high = offset >> 32; - return __syscall_pwrite(fd, buf, count, 0, __LONG_LONG_PAIR(high, low)); -} -weak_alias(__libc_pwrite64,pwrite64) -# endif /* __UCLIBC_HAS_LFS__ */ -#endif /* __NR_pwrite */ +#include "../common/pread_write.c" |