diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32')
16 files changed, 745 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/Versions b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/Versions new file mode 100644 index 0000000000..cdc6022015 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/Versions @@ -0,0 +1,5 @@ +libc { + GLIBC_2.15 { + fallocate64; + } +} diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/fcntl.c b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/fcntl.c new file mode 100644 index 0000000000..20399f9310 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/fcntl.c @@ -0,0 +1,86 @@ +/* Copyright (C) 2011-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + + 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/>. */ + +#include <assert.h> +#include <errno.h> +#include <sysdep-cancel.h> /* Must come before <fcntl.h>. */ +#include <fcntl.h> +#include <stdarg.h> + +#include <sys/syscall.h> + + +static int +do_fcntl (int fd, int cmd, void *arg) +{ + if (cmd != F_GETOWN) + return INLINE_SYSCALL (fcntl64, 3, fd, cmd, arg); + + INTERNAL_SYSCALL_DECL (err); + struct f_owner_ex fex; + int res = INTERNAL_SYSCALL (fcntl64, err, 3, fd, F_GETOWN_EX, &fex); + if (!INTERNAL_SYSCALL_ERROR_P (res, err)) + return fex.type == F_OWNER_GID ? -fex.pid : fex.pid; + + __set_errno (INTERNAL_SYSCALL_ERRNO (res, err)); + return -1; +} + + +#ifndef NO_CANCELLATION +int +__fcntl_nocancel (int fd, int cmd, ...) +{ + va_list ap; + void *arg; + + va_start (ap, cmd); + arg = va_arg (ap, void *); + va_end (ap); + + return do_fcntl (fd, cmd, arg); +} +#endif + + +int +__libc_fcntl (int fd, int cmd, ...) +{ + va_list ap; + void *arg; + + va_start (ap, cmd); + arg = va_arg (ap, void *); + va_end (ap); + + if (SINGLE_THREAD_P || cmd != F_SETLKW) + return do_fcntl (fd, cmd, arg); + + int oldtype = LIBC_CANCEL_ASYNC (); + + int result = do_fcntl (fd, cmd, arg); + + LIBC_CANCEL_RESET (oldtype); + + return result; +} +libc_hidden_def (__libc_fcntl) + +weak_alias (__libc_fcntl, __fcntl) +libc_hidden_weak (__fcntl) +weak_alias (__libc_fcntl, fcntl) diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/fstatfs.c b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/fstatfs.c new file mode 100644 index 0000000000..4c0a83040d --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/fstatfs.c @@ -0,0 +1,35 @@ +/* Copyright (C) 2011-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + + 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/>. */ + +#include <errno.h> +#include <sys/statfs.h> +#include <kernel_stat.h> +#include <stddef.h> + +#if !STATFS_IS_STATFS64 +#include "overflow.h" + +/* Return information about the filesystem on which FD resides. */ +int +__fstatfs (int fd, struct statfs *buf) +{ + int rc = INLINE_SYSCALL (fstatfs64, 3, fd, sizeof (*buf), buf); + return rc ?: statfs_overflow (buf); +} +weak_alias (__fstatfs, fstatfs) +#endif diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/fxstat.c b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/fxstat.c new file mode 100644 index 0000000000..55c830731d --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/fxstat.c @@ -0,0 +1,47 @@ +/* Copyright (C) 2011-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + + 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/>. */ + +#include <errno.h> +#include <stddef.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <kernel_stat.h> + +#include <sysdep.h> +#include <sys/syscall.h> + +#if !XSTAT_IS_XSTAT64 +#include "overflow.h" + +/* Get information about the file FD in BUF. */ +int +__fxstat (int vers, int fd, struct stat *buf) +{ + if (vers == _STAT_VER_KERNEL) + { + int rc = INLINE_SYSCALL (fstat64, 2, fd, buf); + return rc ?: stat_overflow (buf); + } + + errno = EINVAL; + return -1; +} + +hidden_def (__fxstat) +weak_alias (__fxstat, _fxstat); +#endif diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/fxstat64.c b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/fxstat64.c new file mode 100644 index 0000000000..c7f128c622 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/fxstat64.c @@ -0,0 +1,36 @@ +/* __fxstat64 () implementation. + Copyright (C) 2016-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + + 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/>. */ + +/* Hide the prototypes for __fxstat and _fxstat so that GCC will not + complain about the different function signatures if they are aliased + to __fxstat64. If XSTAT_IS_XSTAT64 is set to non-zero then the stat and + stat64 structures have an identical layout but different type names. */ + +#define __fxstat __fxstat_disable +#define _fxstat _fxstat_disable + +#include <sysdeps/unix/sysv/linux/fxstat64.c> + +#undef __fxstat +#undef _fxstat +#if XSTAT_IS_XSTAT64 +weak_alias (__fxstat64, __fxstat) +weak_alias (__fxstat64, _fxstat) +hidden_ver (__fxstat64, __fxstat) +#endif diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/fxstatat.c b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/fxstatat.c new file mode 100644 index 0000000000..2c1feea6b6 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/fxstatat.c @@ -0,0 +1,46 @@ +/* Copyright (C) 2011-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + + 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/>. */ + +#include <errno.h> +#include <fcntl.h> +#include <stddef.h> +#include <stdio.h> +#include <sys/stat.h> +#include <kernel_stat.h> + +#include <sysdep.h> +#include <sys/syscall.h> + +#if !XSTAT_IS_XSTAT64 +#include "overflow.h" + +/* Get information about the file NAME in BUF. */ +int +__fxstatat (int vers, int fd, const char *file, struct stat *buf, int flag) +{ + if (vers == _STAT_VER_KERNEL) + { + int rc = INLINE_SYSCALL (fstatat64, 4, fd, file, buf, flag); + return rc ?: stat_overflow (buf); + } + + errno = EINVAL; + return -1; +} +libc_hidden_def (__fxstatat) +#endif diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/fxstatat64.c b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/fxstatat64.c new file mode 100644 index 0000000000..93fa42b686 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/fxstatat64.c @@ -0,0 +1,37 @@ +/* __fxstatat64 () implementation. + Copyright (C) 2016-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + + 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/>. */ + +/* Hide the prototype for __fxstatat so that GCC will not complain about + the different function signature if it is aliased to __fxstatat64. + If XSTAT_IS_XSTAT64 is set to non-zero then the stat and stat64 structures + have an identical layout but different type names. */ + +#define __fxstatat __fxstatat_disable + +#include <sys/stat.h> +#undef _STAT_VER_LINUX +#define _STAT_VER_LINUX _STAT_VER_KERNEL + +#include <sysdeps/unix/sysv/linux/fxstatat64.c> + +#undef __fxstatat +#if XSTAT_IS_XSTAT64 +weak_alias (__fxstatat64, __fxstatat) +libc_hidden_ver (__fxstatat64, __fxstatat) +#endif diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/getdents.c b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/getdents.c new file mode 100644 index 0000000000..9f1c991694 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/getdents.c @@ -0,0 +1,115 @@ +/* Copyright (C) 1993-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Simplified from sysdeps/unix/sysv/linux/getdents.c. + + 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/>. */ + +#include <alloca.h> +#include <assert.h> +#include <errno.h> +#include <dirent.h> +#include <stddef.h> +#include <stdint.h> +#include <string.h> +#include <unistd.h> +#include <sys/param.h> +#include <sys/types.h> + +#include <sysdep.h> +#include <sys/syscall.h> + +/* Pack the dirent64 struct down into 32-bit offset/inode fields, and + ensure that no overflow occurs. */ +ssize_t +__getdents (int fd, char *buf, size_t nbytes) +{ + union + { + struct dirent64 k; /* Kernel structure. */ + struct dirent u; + char b[1]; + } *kbuf = (void *) buf, *outp, *inp; + size_t kbytes = nbytes; + off64_t last_offset = -1; + ssize_t retval; + + const size_t size_diff = (offsetof (struct dirent64, d_name) + - offsetof (struct dirent, d_name)); + if (nbytes <= sizeof (struct dirent)) + { + kbytes = nbytes + offsetof (struct dirent64, d_name) + - offsetof (struct dirent, d_name); + kbuf = __alloca(kbytes); + } + + retval = INLINE_SYSCALL (getdents64, 3, fd, kbuf, kbytes); + if (retval == -1) + return -1; + + /* These two pointers might alias the same memory buffer. + Standard C requires that we always use the same type for them, + so we must use the union type. */ + inp = kbuf; + outp = (void *) buf; + + while (&inp->b < &kbuf->b + retval) + { + const size_t alignment = __alignof__ (struct dirent); + /* Since inp->k.d_reclen is already aligned for the kernel + structure this may compute a value that is bigger + than necessary. */ + size_t old_reclen = inp->k.d_reclen; + size_t new_reclen = ((old_reclen - size_diff + alignment - 1) + & ~(alignment - 1)); + + /* Copy the data out of the old structure into temporary space. + Then copy the name, which may overlap if BUF == KBUF. */ + const uint64_t d_ino = inp->k.d_ino; + const int64_t d_off = inp->k.d_off; + const uint8_t d_type = inp->k.d_type; + + memmove (outp->u.d_name, inp->k.d_name, + old_reclen - offsetof (struct dirent64, d_name)); + + /* Now we have copied the data from INP and access only OUTP. */ + + outp->u.d_ino = d_ino; + outp->u.d_off = d_off; + if ((sizeof (outp->u.d_ino) != sizeof (inp->k.d_ino) + && outp->u.d_ino != d_ino) + || (sizeof (outp->u.d_off) != sizeof (inp->k.d_off) + && outp->u.d_off != d_off)) + { + /* Overflow. If there was at least one entry before this one, + return them without error, otherwise signal overflow. */ + if (last_offset != -1) + { + __lseek64 (fd, last_offset, SEEK_SET); + return outp->b - buf; + } + __set_errno (EOVERFLOW); + return -1; + } + + last_offset = d_off; + outp->u.d_reclen = new_reclen; + outp->u.d_type = d_type; + + inp = (void *) inp + old_reclen; + outp = (void *) outp + new_reclen; + } + + return outp->b - buf; +} diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/lxstat.c b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/lxstat.c new file mode 100644 index 0000000000..db4f4919fc --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/lxstat.c @@ -0,0 +1,45 @@ +/* Copyright (C) 2011-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + + 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/>. */ + +#include <errno.h> +#include <stddef.h> +#include <fcntl.h> +#include <sys/stat.h> +#include <kernel_stat.h> + +#include <sysdep.h> +#include <sys/syscall.h> + +#if !XSTAT_IS_XSTAT64 +#include "overflow.h" + +/* Get information about the file NAME in BUF. */ +int +__lxstat (int vers, const char *name, struct stat *buf) +{ + if (vers == _STAT_VER_KERNEL) + { + int rc = INLINE_SYSCALL (fstatat64, 4, AT_FDCWD, name, buf, + AT_SYMLINK_NOFOLLOW); + return rc ?: stat_overflow (buf); + } + errno = EINVAL; + return -1; +} +hidden_def (__lxstat) +#endif diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/lxstat64.c b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/lxstat64.c new file mode 100644 index 0000000000..647939a74c --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/lxstat64.c @@ -0,0 +1,51 @@ +/* Copyright (C) 2011-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + + 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/>. */ + +/* Hide the prototype for __lxstat so that GCC will not complain about + the different function signature if it is aliased to __lxstat64. + If XSTAT_IS_XSTAT64 is set to non-zero then the stat and stat64 + structures have an identical layout but different type names. */ + +#define __lxstat __lxstat_disable + +#include <errno.h> +#include <stddef.h> +#include <fcntl.h> +#include <sys/stat.h> +#include <kernel_stat.h> + +#include <sysdep.h> +#include <sys/syscall.h> + +/* Get information about the file NAME in BUF. */ +int +__lxstat64 (int vers, const char *name, struct stat64 *buf) +{ + if (vers == _STAT_VER_KERNEL) + return INLINE_SYSCALL (fstatat64, 4, AT_FDCWD, name, buf, + AT_SYMLINK_NOFOLLOW); + errno = EINVAL; + return -1; +} +hidden_def (__lxstat64) + +#undef __lxstat +#if XSTAT_IS_XSTAT64 +strong_alias (__lxstat64, __lxstat) +hidden_ver (__lxstat64, __lxstat) +#endif diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/overflow.h b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/overflow.h new file mode 100644 index 0000000000..4c993ac817 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/overflow.h @@ -0,0 +1,60 @@ +/* Overflow tests for stat, statfs, and lseek functions. + Copyright (C) 2011-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + + 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/>. */ + +#include <sys/stat.h> +#include <sys/statfs.h> + +/* Test for overflows of structures where we ask the kernel to fill them + in with standard 64-bit syscalls but return them through APIs that + only expose the low 32 bits of some fields. */ + +static inline off_t lseek_overflow (loff_t res) +{ + off_t retval = (off_t) res; + if (retval == res) + return retval; + + __set_errno (EOVERFLOW); + return (off_t) -1; +} + +static inline int stat_overflow (struct stat *buf) +{ + if (buf->__st_ino_pad == 0 && buf->__st_size_pad == 0 && + buf->__st_blocks_pad == 0) + return 0; + + __set_errno (EOVERFLOW); + return -1; +} + +/* Note that f_files and f_ffree may validly be a sign-extended -1. */ +static inline int statfs_overflow (struct statfs *buf) +{ + if (buf->__f_blocks_pad == 0 && buf->__f_bfree_pad == 0 && + buf->__f_bavail_pad == 0 && + (buf->__f_files_pad == 0 || + (buf->f_files == -1U && buf->__f_files_pad == -1)) && + (buf->__f_ffree_pad == 0 || + (buf->f_ffree == -1U && buf->__f_ffree_pad == -1))) + return 0; + + __set_errno (EOVERFLOW); + return -1; +} diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/sendfile.c b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/sendfile.c new file mode 100644 index 0000000000..2c252cc2cf --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/sendfile.c @@ -0,0 +1,45 @@ +/* Copyright (C) 2011-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + + 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/>. */ + +#include <sys/sendfile.h> +#include <errno.h> + +/* Send COUNT bytes from file associated with IN_FD starting at OFFSET to + descriptor OUT_FD. */ +ssize_t +sendfile (int out_fd, int in_fd, off_t *offset, size_t count) +{ + __off64_t off64; + int rc; + + if (offset != NULL) + { + if (*offset < 0 || (off_t) (*offset + count) < 0) + { + __set_errno (EINVAL); + return -1; + } + off64 = *offset; + } + + rc = INLINE_SYSCALL (sendfile64, 4, out_fd, in_fd, + offset ? &off64 : NULL, count); + if (offset) + *offset = off64; + return rc; +} diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/statfs.c b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/statfs.c new file mode 100644 index 0000000000..11da0021d6 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/statfs.c @@ -0,0 +1,36 @@ +/* Copyright (C) 2011-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + + 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/>. */ + +#include <errno.h> +#include <sys/statfs.h> +#include <kernel_stat.h> +#include <stddef.h> + +#if !STATFS_IS_STATFS64 +#include "overflow.h" + +/* Return information about the filesystem on which FILE resides. */ +int +__statfs (const char *file, struct statfs *buf) +{ + int rc = INLINE_SYSCALL (statfs64, 3, file, sizeof (*buf), buf); + return rc ?: statfs_overflow (buf); +} +libc_hidden_def (__statfs) +weak_alias (__statfs, statfs) +#endif diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/syscalls.list b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/syscalls.list new file mode 100644 index 0000000000..b775008a37 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/syscalls.list @@ -0,0 +1,5 @@ +# File name Caller Syscall name # args Strong name Weak names + +# rlimit APIs +prlimit64 EXTRA prlimit64 i:iipp prlimit64 +fanotify_mark EXTRA fanotify_mark i:iiiiis fanotify_mark diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/xstat.c b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/xstat.c new file mode 100644 index 0000000000..91c1c9be6d --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/xstat.c @@ -0,0 +1,45 @@ +/* Copyright (C) 2011-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + + 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/>. */ + +#include <errno.h> +#include <stddef.h> +#include <fcntl.h> +#include <sys/stat.h> +#include <kernel_stat.h> + +#include <sysdep.h> +#include <sys/syscall.h> + +#if !XSTAT_IS_XSTAT64 +#include "overflow.h" + +/* Get information about the file NAME in BUF. */ +int +__xstat (int vers, const char *name, struct stat *buf) +{ + if (vers == _STAT_VER_KERNEL) + { + int rc = INLINE_SYSCALL (fstatat64, 4, AT_FDCWD, name, buf, 0); + return rc ?: stat_overflow (buf); + } + + errno = EINVAL; + return -1; +} +hidden_def (__xstat) +#endif diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/xstat64.c b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/xstat64.c new file mode 100644 index 0000000000..5ef0614eb6 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/generic/wordsize-32/xstat64.c @@ -0,0 +1,51 @@ +/* Copyright (C) 2011-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + + 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/>. */ + +/* Hide the prototype for __xstat so that GCC will not complain about + the different function signature if it is aliased to __xstat64. + If XSTAT_IS_XSTAT64 is set to non-zero then the stat and stat64 + structures have an identical layout but different type names. */ + +#define __xstat __xstat_disable + +#include <errno.h> +#include <stddef.h> +#include <fcntl.h> +#include <sys/stat.h> +#include <kernel_stat.h> + +#include <sysdep.h> +#include <sys/syscall.h> + +/* Get information about the file NAME in BUF. */ +int +__xstat64 (int vers, const char *name, struct stat64 *buf) +{ + if (vers == _STAT_VER_KERNEL) + return INLINE_SYSCALL (fstatat64, 4, AT_FDCWD, name, buf, 0); + + errno = EINVAL; + return -1; +} +hidden_def (__xstat64) + +#undef __xstat +#if XSTAT_IS_XSTAT64 +strong_alias (__xstat64, __xstat) +hidden_ver (__xstat64, __xstat) +#endif |