diff --git a/ChangeLog b/ChangeLog index d43c932b10..21a2a133fa 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,41 @@ 2016-10-07 Adhemerval Zanella + * posix/Makefile (tests): Add tst-posix_fadvise and tst-posix_fadvise64. + * posix/tst-posix_fadvise.c: New file. + * posix/tst-posix_fadvise64.c: Likewise. + * posix/tst-posix_fadvise-common.c: Likewise. + * sysdeps/unix/sysv/linux/arm/kernel-features.h + (__ASSUME_FADVISE64_64_6ARG): Define. + * sysdeps/unix/sysv/linux/powerpc/kernel-features.h + [!__powerpc64__] (__ASSUME_FADVISE64_64_6ARG): Define. + * sysdeps/unix/sysv/linux/tile/kernel-features.h + [!LP64] (__ASSUME_FADVISE64_64_NO_ALIGN): Define. + * sysdeps/unix/sysv/linux/arm/posix_fadvise64.c: Remove file. + * sysdeps/unix/sysv/linux/generic/wordsize-32/posix_fadvise.c: Likewise. + * sysdeps/unix/sysv/linux/i386/posix_fadvise64.S: Likewise. + * sysdeps/unix/sysv/linux/mips/mips32/posix_fadvise.c: Likewise. + * sysdeps/unix/sysv/linux/mips/mips32/posix_fadvise64.c: Likewise. + * sysdeps/unix/sysv/linux/mips/mips64/n32/posix_fadvise.c: Likewise. + * sysdeps/unix/sysv/linux/mips/mips64/n32/posix_fadvise64.c: Likewise. + * sysdeps/unix/sysv/linux/mips/mips64/n64/posix_fadvise.c: Likewise. + * sysdeps/unix/sysv/linux/powerpc/powerpc32/posix_fadvise.c: Likewise. + * sysdeps/unix/sysv/linux/powerpc/powerpc32/posix_fadvise64.c: + Likewise. + * sysdeps/unix/sysv/linux/wordsize-64/posix_fadvise.c: Likewise. + * sysdeps/unix/sysv/linux/wordsize-64/posix_fadvise64.c: Likewise. + * sysdeps/unix/sysv/linux/mips/mips64/n64/posix_fadvise64.c + (SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3) [__posix_fadvise64_l64]: + Alias to __posix_fadvise64_l32. + (SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3) [__posix_fadvise64_l32]: + Add compat definition to posix_fadvise64. + (SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3) [__posix_fadvise64_l64]: + Add versioned definition to posix_fadvise64. + * sysdeps/unix/sysv/linux/posix_fadvise.c (posix_fadvise): Build iff + __OFF_T_MATCHES_OFF64_T is defined, use INTERNAL_SYSCALL_CALL, add + __ASSUME_FADVISE64_64_6ARG/__ASSUME_FADVISE64_64_NO_ALIGN support. + * sysdeps/unix/sysv/linux/posix_fadvise64.c (posix_fadvise64): Add + __ASSUME_FADVISE64_64_NO_ALIGN support and use INTERNAL_SYSCALL_CALL. + * io/Makefile (tests): Add tst-posix_fallocate and tst-posix_fallocate64. * io/tst-posix_fallocate-common.c: New file. diff --git a/posix/Makefile b/posix/Makefile index 586d45bf2a..c493f317a2 100644 --- a/posix/Makefile +++ b/posix/Makefile @@ -90,7 +90,8 @@ tests := tstgetopt testfnm runtests runptests \ bug-getopt5 tst-getopt_long1 bug-regex34 bug-regex35 \ tst-pathconf tst-getaddrinfo4 tst-rxspencer-no-utf8 \ tst-fnmatch3 bug-regex36 tst-getaddrinfo5 \ - tst-posix_spawn-fd + tst-posix_spawn-fd \ + tst-posix_fadvise tst-posix_fadvise64 xtests := bug-ga2 ifeq (yes,$(build-shared)) test-srcs := globtest diff --git a/posix/tst-posix_fadvise-common.c b/posix/tst-posix_fadvise-common.c new file mode 100644 index 0000000000..bb04c6116f --- /dev/null +++ b/posix/tst-posix_fadvise-common.c @@ -0,0 +1,103 @@ +/* Common posix_fadvise tests definitions. + Copyright (C) 2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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 + . */ + +#include +#include +#include +#include + +static void do_prepare (void); +#define PREPARE(argc, argv) do_prepare () +static int do_test (void); +#define TEST_FUNCTION do_test () + +#include + +static char *temp_filename; +static int temp_fd; +static char fifoname[] = "/tmp/tst-posix_fadvise-fifo-XXXXXX"; +static int fifofd; + +static void +do_prepare (void) +{ + temp_fd = create_temp_file ("tst-posix_fadvise.", &temp_filename); + if (temp_fd == -1) + FAIL_EXIT1 ("cannot create temporary file: %m"); + + if (mktemp (fifoname) == NULL) + FAIL_EXIT1 ("cannot generate temp file name: %m"); + add_temp_file (fifoname); + + if (mkfifo (fifoname, S_IWUSR | S_IRUSR) != 0) + FAIL_EXIT1 ("cannot create fifo: %m"); + + fifofd = open (fifoname, O_RDONLY | O_NONBLOCK); + if (fifofd == -1) + FAIL_EXIT1 ("cannot open fifo: %m"); +} + +/* Effectivelly testing posix_fadvise is hard because side effects are not + observed without checking either performance or any kernel specific + supplied information. Also, the syscall is meant to be an advisory, + so the kernel is free to use this information in any way it deems fit, + including ignoring it. + + This test check for some invalid returned operation to check argument + passing and if implementation follows POSIX error definition. */ +static int +do_test_common (void) +{ + /* Add some data to file and ensure it is written to disk. */ +#define BLK_SIZE 2048 + char buffer[BLK_SIZE] = { 0xcd }; + ssize_t ret; + + if ((ret = write (temp_fd, buffer, BLK_SIZE)) != BLK_SIZE) + FAIL_EXIT1 ("write returned %zd different than expected %d", + ret, BLK_SIZE); + + if (fsync (temp_fd) != 0) + FAIL_EXIT1 ("fsync failed"); + + /* Test passing an invalid fd. */ + if (posix_fadvise (-1, 0, 0, POSIX_FADV_NORMAL) != EBADF) + FAIL_EXIT1 ("posix_fadvise with invalid fd did not return EBADF"); + + /* Test passing an invalid operation. */ + if (posix_fadvise (temp_fd, 0, 0, -1) != EINVAL) + FAIL_EXIT1 ("posix_fadvise with invalid advise did not return EINVAL"); + + /* Test passing a FIFO fd. */ + if (posix_fadvise (fifofd, 0, 0, POSIX_FADV_NORMAL) != ESPIPE) + FAIL_EXIT1 ("posix_advise with PIPE fd did not return ESPIPE"); + + /* Default fadvise on all file starting at initial position. */ + if (posix_fadvise (temp_fd, 0, 0, POSIX_FADV_NORMAL) != 0) + FAIL_EXIT1 ("default posix_fadvise failed"); + + if (posix_fadvise (temp_fd, 0, 2 * BLK_SIZE, POSIX_FADV_NORMAL) != 0) + FAIL_EXIT1 ("posix_fadvise failed (offset = 0, len = %d) failed", + BLK_SIZE); + + if (posix_fadvise (temp_fd, 2 * BLK_SIZE, 0, POSIX_FADV_NORMAL) != 0) + FAIL_EXIT1 ("posix_fadvise failed (offset = %d, len = 0) failed", + BLK_SIZE); + + return 0; +} diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/posix_fadvise.c b/posix/tst-posix_fadvise.c similarity index 54% rename from sysdeps/unix/sysv/linux/powerpc/powerpc32/posix_fadvise.c rename to posix/tst-posix_fadvise.c index e846bf58c5..6ee0936284 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/posix_fadvise.c +++ b/posix/tst-posix_fadvise.c @@ -1,4 +1,5 @@ -/* Copyright (C) 2003-2016 Free Software Foundation, Inc. +/* Basic posix_fadvise tests. + Copyright (C) 2016 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -15,25 +16,10 @@ License along with the GNU C Library; if not, see . */ -#include -#include -#include +#include "tst-posix_fadvise-common.c" -/* Advice the system about the expected behaviour of the application with - respect to the file associated with FD. */ - -int -posix_fadvise (int fd, off_t offset, off_t len, int advise) +static int +do_test (void) { -#ifdef __NR_fadvise64 - INTERNAL_SYSCALL_DECL (err); - int ret = INTERNAL_SYSCALL (fadvise64, err, 6, fd, 0, - __LONG_LONG_PAIR (offset >> 31, offset), len, - advise); - if (INTERNAL_SYSCALL_ERROR_P (ret, err)) - return INTERNAL_SYSCALL_ERRNO (ret, err); - return 0; -#else - return ENOSYS; -#endif + return do_test_common (); } diff --git a/posix/tst-posix_fadvise64.c b/posix/tst-posix_fadvise64.c new file mode 100644 index 0000000000..391aa7911f --- /dev/null +++ b/posix/tst-posix_fadvise64.c @@ -0,0 +1,46 @@ +/* Basic posix_fadvise64 tests. + Copyright (C) 2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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 + . */ + +#define _FILE_OFFSET_BITS 64 +#include "tst-posix_fadvise-common.c" + +static int +do_test (void) +{ + int ret = do_test_common (); + if (ret == 1) + return 1; + + /* Test passing a negative length. The compat fadvise64 might use + off64_t for size argument passing, so using -1 for len without + _FILE_OFFSET_BITS might not trigger the length issue. */ + if (posix_fadvise (temp_fd, 0, -1, POSIX_FADV_NORMAL) != EINVAL) + FAIL_EXIT1 ("posix_fadvise with negative length did not return EINVAL"); + + /* Check with some offset values larger than 32-bits. */ + off_t offset = UINT32_MAX + 2048LL; + if (posix_fadvise (temp_fd, 0, offset, POSIX_FADV_NORMAL) != 0) + FAIL_EXIT1 ("posix_fadvise failed (offset = 0, len = %zd) failed", + (ssize_t)offset); + + if (posix_fadvise (temp_fd, offset, 0, POSIX_FADV_NORMAL) != 0) + FAIL_EXIT1 ("posix_fadvise failed (offset = %zd, len = 0) failed", + (ssize_t)offset); + + return 0; +} diff --git a/sysdeps/unix/sysv/linux/arm/kernel-features.h b/sysdeps/unix/sysv/linux/arm/kernel-features.h index 6ca607eee0..1ebbc36a20 100644 --- a/sysdeps/unix/sysv/linux/arm/kernel-features.h +++ b/sysdeps/unix/sysv/linux/arm/kernel-features.h @@ -27,6 +27,13 @@ # undef __ASSUME_SET_ROBUST_LIST #endif +/* ARM fadvise64_64 reorganize the syscall arguments. */ +#define __ASSUME_FADVISE64_64_6ARG 1 + /* Define this if your 32-bit syscall API requires 64-bit register pairs to start with an even-number register. */ #define __ASSUME_ALIGNED_REGISTER_PAIRS 1 + +/* ARM only has a syscall for fadvise64{_64} and it is defined with a + non-standard name. */ +#define __NR_fadvise64_64 __NR_arm_fadvise64_64 diff --git a/sysdeps/unix/sysv/linux/arm/posix_fadvise64.c b/sysdeps/unix/sysv/linux/arm/posix_fadvise64.c deleted file mode 100644 index ffb3ecd3c5..0000000000 --- a/sysdeps/unix/sysv/linux/arm/posix_fadvise64.c +++ /dev/null @@ -1,38 +0,0 @@ -/* Copyright (C) 2003-2016 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 - . */ - -#include -#include -#include - -int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise); - -/* Advice the system about the expected behaviour of the application with - respect to the file associated with FD. */ - -int -__posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise) -{ - INTERNAL_SYSCALL_DECL (err); - int ret = INTERNAL_SYSCALL (arm_fadvise64_64, err, 6, fd, advise, - __LONG_LONG_PAIR ((long)(offset >> 32), (long)offset), - __LONG_LONG_PAIR ((long)(len >> 32), (long)len)); - if (!INTERNAL_SYSCALL_ERROR_P (ret, err)) - return 0; - return INTERNAL_SYSCALL_ERRNO (ret, err); -} -weak_alias (__posix_fadvise64_l64, posix_fadvise64); diff --git a/sysdeps/unix/sysv/linux/generic/wordsize-32/posix_fadvise.c b/sysdeps/unix/sysv/linux/generic/wordsize-32/posix_fadvise.c deleted file mode 100644 index 7c93a8f375..0000000000 --- a/sysdeps/unix/sysv/linux/generic/wordsize-32/posix_fadvise.c +++ /dev/null @@ -1,37 +0,0 @@ -/* Copyright (C) 2011-2016 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Chris Metcalf , 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 - . */ - -#include -#include -#include - -/* Advice the system about the expected behaviour of the application with - respect to the file associated with FD. */ - -int -posix_fadvise (int fd, off_t offset, off_t len, int advise) -{ - INTERNAL_SYSCALL_DECL (err); - int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd, - __LONG_LONG_PAIR (offset >> 31, offset), - __LONG_LONG_PAIR (len >> 31, len), - advise); - if (INTERNAL_SYSCALL_ERROR_P (ret, err)) - return INTERNAL_SYSCALL_ERRNO (ret, err); - return 0; -} diff --git a/sysdeps/unix/sysv/linux/i386/posix_fadvise64.S b/sysdeps/unix/sysv/linux/i386/posix_fadvise64.S deleted file mode 100644 index 4b5d65cedc..0000000000 --- a/sysdeps/unix/sysv/linux/i386/posix_fadvise64.S +++ /dev/null @@ -1,92 +0,0 @@ -/* Copyright (C) 1995-2016 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 - . */ - -#include - -#define EINVAL 22 -#define ENOSYS 38 -#define EOVERFLOW 75 - -#define SVRSP 16 /* saved register space */ -#define PARMS 4+SVRSP /* space for 4 saved regs */ -#define FD PARMS -#define OFFLO FD+4 -#define OFFHI OFFLO+4 -#define LENLO OFFHI+4 -#define LENHI LENLO+4 -#define FLAGS LENHI+4 - - .text -ENTRY (__posix_fadvise64_l64) - - /* Save registers. */ - pushl %ebp - cfi_adjust_cfa_offset (4) - pushl %ebx - cfi_adjust_cfa_offset (4) - pushl %esi - cfi_adjust_cfa_offset (4) - pushl %edi - cfi_adjust_cfa_offset (4) - - movl FD(%esp), %ebx - cfi_rel_offset (ebx, 8) - movl OFFLO(%esp), %ecx - movl OFFHI(%esp), %edx - movl LENLO(%esp), %esi - cfi_rel_offset (esi, 4) - movl LENHI(%esp), %edi - cfi_rel_offset (edi, 0) - movl FLAGS(%esp), %ebp - cfi_rel_offset (ebp, 12) - - movl $SYS_ify(fadvise64_64), %eax - ENTER_KERNEL - - /* Restore registers. */ - popl %edi - cfi_adjust_cfa_offset (-4) - cfi_restore (edi) - popl %esi - cfi_adjust_cfa_offset (-4) - cfi_restore (esi) - popl %ebx - cfi_adjust_cfa_offset (-4) - cfi_restore (ebx) - popl %ebp - cfi_adjust_cfa_offset (-4) - cfi_restore (ebp) - - /* The function returns zero, or the error number. So all we - have to do is negate the value passed back from the kernel. */ - /* If 0 > %eax > -4096 there was an error. */ - negl %eax - - /* Successful; return the syscall's value. */ - ret - -END (__posix_fadvise64_l64) - - .section .text.compat, "ax" -ENTRY (__posix_fadvise64_l32) - DO_CALL (fadvise64, 5) - negl %eax - ret -PSEUDO_END_ERRVAL (__posix_fadvise64_l32) - -default_symbol_version (__posix_fadvise64_l64, posix_fadvise64, GLIBC_2.3.3) -symbol_version (__posix_fadvise64_l32, posix_fadvise64, GLIBC_2.2) diff --git a/sysdeps/unix/sysv/linux/mips/mips32/posix_fadvise.c b/sysdeps/unix/sysv/linux/mips/mips32/posix_fadvise.c deleted file mode 100644 index 705c0c75de..0000000000 --- a/sysdeps/unix/sysv/linux/mips/mips32/posix_fadvise.c +++ /dev/null @@ -1,41 +0,0 @@ -/* Copyright (C) 2007-2016 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 - . */ - -#include -#include -#include - -/* Advice the system about the expected behaviour of the application with - respect to the file associated with FD. */ - -int -posix_fadvise (int fd, off_t offset, off_t len, int advise) -{ -/* MIPS kernel only has NR_fadvise64 which acts as NR_fadvise64_64 */ -#ifdef __NR_fadvise64 - INTERNAL_SYSCALL_DECL (err); - int ret = INTERNAL_SYSCALL (fadvise64, err, 7, fd, 0, - __LONG_LONG_PAIR (offset >> 31, offset), - __LONG_LONG_PAIR (len >> 31, len), - advise); - if (INTERNAL_SYSCALL_ERROR_P (ret, err)) - return INTERNAL_SYSCALL_ERRNO (ret, err); - return 0; -#else - return ENOSYS; -#endif -} diff --git a/sysdeps/unix/sysv/linux/mips/mips32/posix_fadvise64.c b/sysdeps/unix/sysv/linux/mips/mips32/posix_fadvise64.c deleted file mode 100644 index 0ded3c3357..0000000000 --- a/sysdeps/unix/sysv/linux/mips/mips32/posix_fadvise64.c +++ /dev/null @@ -1,60 +0,0 @@ -/* Copyright (C) 2007-2016 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 - . */ - -#include -#include -#include - -/* Advice the system about the expected behaviour of the application with - respect to the file associated with FD. */ - -int -__posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise) -{ -/* MIPS kernel only has NR_fadvise64 which acts as NR_fadvise64_64 */ -#ifdef __NR_fadvise64 - INTERNAL_SYSCALL_DECL (err); - int ret = INTERNAL_SYSCALL (fadvise64, err, 7, fd, 0, - __LONG_LONG_PAIR ((long) (offset >> 32), - (long) offset), - __LONG_LONG_PAIR ((long) (len >> 32), - (long) len), - advise); - if (INTERNAL_SYSCALL_ERROR_P (ret, err)) - return INTERNAL_SYSCALL_ERRNO (ret, err); - return 0; -#else - return ENOSYS; -#endif -} - -#include - -#if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3) - -int -attribute_compat_text_section -__posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise) -{ - return __posix_fadvise64_l64 (fd, offset, len, advise); -} - -versioned_symbol (libc, __posix_fadvise64_l64, posix_fadvise64, GLIBC_2_3_3); -compat_symbol (libc, __posix_fadvise64_l32, posix_fadvise64, GLIBC_2_2); -#else -strong_alias (__posix_fadvise64_l64, posix_fadvise64); -#endif diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/posix_fadvise.c b/sysdeps/unix/sysv/linux/mips/mips64/n32/posix_fadvise.c deleted file mode 100644 index 3b1ef7e1fe..0000000000 --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/posix_fadvise.c +++ /dev/null @@ -1,37 +0,0 @@ -/* Copyright (C) 2003-2016 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 - . */ - -#include -#include -#include - -/* Advice the system about the expected behaviour of the application with - respect to the file associated with FD. */ - -int -posix_fadvise (int fd, off_t offset, off_t len, int advise) -{ -#ifdef __NR_fadvise64 - INTERNAL_SYSCALL_DECL (err); - int ret = INTERNAL_SYSCALL (fadvise64, err, 4, fd, offset, len, advise); - if (INTERNAL_SYSCALL_ERROR_P (ret, err)) - return INTERNAL_SYSCALL_ERRNO (ret, err); - return 0; -#else - return ENOSYS; -#endif -} diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/posix_fadvise64.c b/sysdeps/unix/sysv/linux/mips/mips64/n32/posix_fadvise64.c deleted file mode 100644 index e7ddc873fc..0000000000 --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/posix_fadvise64.c +++ /dev/null @@ -1,55 +0,0 @@ -/* Copyright (C) 2007-2016 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 - . */ - -#include -#include -#include - -/* Advice the system about the expected behaviour of the application with - respect to the file associated with FD. */ - -int -__posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise) -{ -/* MIPS kernel only has NR_fadvise64 which acts as NR_fadvise64_64 */ -#ifdef __NR_fadvise64 - INTERNAL_SYSCALL_DECL (err); - int ret = INTERNAL_SYSCALL (fadvise64, err, 4, fd, offset, len, advise); - if (INTERNAL_SYSCALL_ERROR_P (ret, err)) - return INTERNAL_SYSCALL_ERRNO (ret, err); - return 0; -#else - return ENOSYS; -#endif -} - -#include - -#if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3) - -int -attribute_compat_text_section -__posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise) -{ - return __posix_fadvise64_l64 (fd, offset, len, advise); -} - -versioned_symbol (libc, __posix_fadvise64_l64, posix_fadvise64, GLIBC_2_3_3); -compat_symbol (libc, __posix_fadvise64_l32, posix_fadvise64, GLIBC_2_2); -#else -strong_alias (__posix_fadvise64_l64, posix_fadvise64); -#endif diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/posix_fadvise.c b/sysdeps/unix/sysv/linux/mips/mips64/n64/posix_fadvise.c deleted file mode 100644 index 86ff6ef5b9..0000000000 --- a/sysdeps/unix/sysv/linux/mips/mips64/n64/posix_fadvise.c +++ /dev/null @@ -1,50 +0,0 @@ -/* Copyright (C) 2003-2016 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 - . */ - -#define posix_fadvise64 __no_posix_fadvise64 -#include -#include -#include -#undef posix_fadvise64 - -/* Advice the system about the expected behaviour of the application with - respect to the file associated with FD. */ - -int -posix_fadvise (int fd, off_t offset, off_t len, int advise) -{ -#ifdef __NR_fadvise64 - INTERNAL_SYSCALL_DECL (err); - int ret = INTERNAL_SYSCALL (fadvise64, err, 4, fd, offset, len, advise); - if (INTERNAL_SYSCALL_ERROR_P (ret, err)) - return INTERNAL_SYSCALL_ERRNO (ret, err); - return 0; -#else - return ENOSYS; -#endif -} - -#include - -#if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3) -strong_alias (posix_fadvise, __posix_fadvise64_l32); -compat_symbol (libc, __posix_fadvise64_l32, posix_fadvise64, GLIBC_2_2); -strong_alias (posix_fadvise, __posix_fadvise64_l64); -versioned_symbol (libc, __posix_fadvise64_l64, posix_fadvise64, GLIBC_2_3_3); -#else -weak_alias (posix_fadvise, posix_fadvise64); -#endif diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/posix_fadvise64.c b/sysdeps/unix/sysv/linux/mips/mips64/n64/posix_fadvise64.c index c9f72c4ce1..d7aab2545f 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n64/posix_fadvise64.c +++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/posix_fadvise64.c @@ -1 +1,28 @@ -/* posix_fadvise64 is in posix_fadvise.c */ +/* Copyright (C) 2003-2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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 + . */ + +#undef strong_alias +#define strong_alias(a, b) + +#include + +#if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3) +_strong_alias (__posix_fadvise64_l64, __posix_fadvise64_l32); +compat_symbol (libc, __posix_fadvise64_l32, posix_fadvise64, GLIBC_2_2); +versioned_symbol (libc, __posix_fadvise64_l64, posix_fadvise64, GLIBC_2_3_3); +#endif +_strong_alias (__posix_fadvise64_l64, posix_fadvise); diff --git a/sysdeps/unix/sysv/linux/posix_fadvise.c b/sysdeps/unix/sysv/linux/posix_fadvise.c index 093d707ccf..869a642f6d 100644 --- a/sysdeps/unix/sysv/linux/posix_fadvise.c +++ b/sysdeps/unix/sysv/linux/posix_fadvise.c @@ -22,27 +22,46 @@ /* Advice the system about the expected behaviour of the application with respect to the file associated with FD. */ +#ifndef __OFF_T_MATCHES_OFF64_T + +/* Both arm and powerpc implements fadvise64_64 with last 'advise' argument + just after 'fd' to avoid the requirement of implementing 7-arg syscalls. + ARM also defines __NR_fadvise64_64 as __NR_arm_fadvise64_64. + + tile requires __ASSUME_ALIGNED_REGISTER_PAIRS but implements the 32-bit + fadvise64_64 without the padding 0 after fd. + + s390 implements fadvice64_64 using a specific struct with arguments + packed inside. This is the only implementation handled in arch-specific + code. */ + int posix_fadvise (int fd, off_t offset, off_t len, int advise) { -#if defined(__NR_fadvise64) || defined(__NR_fadvise64_64) INTERNAL_SYSCALL_DECL (err); # ifdef __NR_fadvise64 - int ret = INTERNAL_SYSCALL (fadvise64, err, 5, fd, - __LONG_LONG_PAIR (offset >> 31, offset), len, - advise); + int ret = INTERNAL_SYSCALL_CALL (fadvise64, err, fd, + __ALIGNMENT_ARG SYSCALL_LL (offset), + len, advise); # else - int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd, - __LONG_LONG_PAIR ((long) (offset >> 31), - (long) offset), - __LONG_LONG_PAIR ((long) (len >> 31), - (long) len), - advise); +# ifdef __ASSUME_FADVISE64_64_6ARG + int ret = INTERNAL_SYSCALL_CALL (fadvise64_64, err, fd, advise, + __ALIGNMENT_ARG SYSCALL_LL (offset), + SYSCALL_LL (len)); +# else + +# ifdef __ASSUME_FADVISE64_64_NO_ALIGN +# undef __ALIGNMENT_ARG +# define __ALIGNMENT_ARG +# endif + + int ret = INTERNAL_SYSCALL_CALL (fadvise64_64, err, fd, + __ALIGNMENT_ARG SYSCALL_LL (offset), + SYSCALL_LL (len), advise); +# endif # endif if (INTERNAL_SYSCALL_ERROR_P (ret, err)) return INTERNAL_SYSCALL_ERRNO (ret, err); return 0; -#else - return ENOSYS; -#endif } +#endif /* __OFF_T_MATCHES_OFF64_T */ diff --git a/sysdeps/unix/sysv/linux/posix_fadvise64.c b/sysdeps/unix/sysv/linux/posix_fadvise64.c index 6d10558a5e..b4adb5fad6 100644 --- a/sysdeps/unix/sysv/linux/posix_fadvise64.c +++ b/sysdeps/unix/sysv/linux/posix_fadvise64.c @@ -17,10 +17,29 @@ #include #include -#include +#include int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise); -int __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise); + +/* Both arm and powerpc implements fadvise64_64 with last 'advise' argument + just after 'fd' to avoid the requirement of implementing 7-arg syscalls. + ARM also defines __NR_fadvise64_64 as __NR_arm_fadvise64_64. + + tile requires __ASSUME_ALIGNED_REGISTER_PAIRS but implements the 32-bit + fadvise64_64 without the padding 0 after fd. + + s390 implements fadvice64_64 using a specific struct with arguments + packed inside. This is the only implementation handled in arch-specific + code. */ + +#ifdef __ASSUME_FADVISE64_64_NO_ALIGN +# undef __ALIGNMENT_ARG +# define __ALIGNMENT_ARG +#endif + +#ifndef __NR_fadvise64_64 +# define __NR_fadvise64_64 __NR_fadvise64 +#endif /* Advice the system about the expected behaviour of the application with respect to the file associated with FD. */ @@ -29,20 +48,24 @@ int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise) { INTERNAL_SYSCALL_DECL (err); - int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd, - __LONG_LONG_PAIR ((long) (offset >> 32), - (long) offset), - __LONG_LONG_PAIR ((long) (len >> 32), - (long) len), - advise); +#ifdef __ASSUME_FADVISE64_64_6ARG + int ret = INTERNAL_SYSCALL_CALL (fadvise64_64, err, fd, advise, + SYSCALL_LL64 (offset), SYSCALL_LL64 (len)); +#else + int ret = INTERNAL_SYSCALL_CALL (fadvise64_64, err, fd, + __ALIGNMENT_ARG SYSCALL_LL64 (offset), + SYSCALL_LL64 (len), advise); +#endif if (!INTERNAL_SYSCALL_ERROR_P (ret, err)) return 0; return INTERNAL_SYSCALL_ERRNO (ret, err); } -#include - -#if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3) +/* The type of the len argument was changed from size_t to off_t in + POSIX.1-2003 TC1. */ +#ifndef __OFF_T_MATCHES_OFF64_T +# if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3) +int __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise); int attribute_compat_text_section @@ -53,6 +76,10 @@ __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise) versioned_symbol (libc, __posix_fadvise64_l64, posix_fadvise64, GLIBC_2_3_3); compat_symbol (libc, __posix_fadvise64_l32, posix_fadvise64, GLIBC_2_2); +# else +weak_alias (__posix_fadvise64_l64, posix_fadvise64); +# endif #else -strong_alias (__posix_fadvise64_l64, posix_fadvise64); +weak_alias (__posix_fadvise64_l64, posix_fadvise64); +strong_alias (__posix_fadvise64_l64, posix_fadvise); #endif diff --git a/sysdeps/unix/sysv/linux/powerpc/kernel-features.h b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h index 996535f224..42a53f2c1c 100644 --- a/sysdeps/unix/sysv/linux/powerpc/kernel-features.h +++ b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h @@ -46,4 +46,9 @@ # define __ASSUME_ALIGNED_REGISTER_PAIRS 1 #endif +/* powerpc compat fadvise64_64 reorganize the syscall argument. */ +#ifndef __powerpc64__ +# define __ASSUME_FADVISE64_64_6ARG 1 +#endif + #include_next diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/posix_fadvise64.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/posix_fadvise64.c deleted file mode 100644 index c26206f80a..0000000000 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/posix_fadvise64.c +++ /dev/null @@ -1,55 +0,0 @@ -/* Copyright (C) 2003-2016 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 - . */ - -#include -#include -#include - -int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise); -int __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise); - -/* Advice the system about the expected behaviour of the application with - respect to the file associated with FD. */ - -int -__posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise) -{ - INTERNAL_SYSCALL_DECL (err); - int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd, advise, - __LONG_LONG_PAIR ((long)(offset >> 32), (long)offset), - __LONG_LONG_PAIR ((long)(len >> 32), (long)len)); - if (!INTERNAL_SYSCALL_ERROR_P (ret, err)) - return 0; - return INTERNAL_SYSCALL_ERRNO (ret, err); -} - -#include - -#if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3) - -int -attribute_compat_text_section -__posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise) -{ - return __posix_fadvise64_l64 (fd, offset, len, advise); -} - -versioned_symbol (libc, __posix_fadvise64_l64, posix_fadvise64, GLIBC_2_3_3); -compat_symbol (libc, __posix_fadvise64_l32, posix_fadvise64, GLIBC_2_2); -#else -strong_alias (__posix_fadvise64_l64, posix_fadvise64); -#endif diff --git a/sysdeps/unix/sysv/linux/tile/kernel-features.h b/sysdeps/unix/sysv/linux/tile/kernel-features.h index 9425e1c5e5..ded0e43fd5 100644 --- a/sysdeps/unix/sysv/linux/tile/kernel-features.h +++ b/sysdeps/unix/sysv/linux/tile/kernel-features.h @@ -23,4 +23,5 @@ pairs to start with an even-number register. */ #ifndef _LP64 # define __ASSUME_ALIGNED_REGISTER_PAIRS 1 +# define __ASSUME_FADVISE64_64_NO_ALIGN 1 #endif diff --git a/sysdeps/unix/sysv/linux/wordsize-64/posix_fadvise.c b/sysdeps/unix/sysv/linux/wordsize-64/posix_fadvise.c deleted file mode 100644 index 137b591b78..0000000000 --- a/sysdeps/unix/sysv/linux/wordsize-64/posix_fadvise.c +++ /dev/null @@ -1,40 +0,0 @@ -/* Copyright (C) 2003-2016 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 - . */ - -#define posix_fadvise64 __no_posix_fadvise64 -#include -#include -#include -#undef posix_fadvise64 - -/* Advice the system about the expected behaviour of the application with - respect to the file associated with FD. */ - -int -posix_fadvise (int fd, off_t offset, off_t len, int advise) -{ -#ifdef __NR_fadvise64 - INTERNAL_SYSCALL_DECL (err); - int ret = INTERNAL_SYSCALL (fadvise64, err, 4, fd, offset, len, advise); - if (INTERNAL_SYSCALL_ERROR_P (ret, err)) - return INTERNAL_SYSCALL_ERRNO (ret, err); - return 0; -#else - return ENOSYS; -#endif -} -weak_alias (posix_fadvise, posix_fadvise64) diff --git a/sysdeps/unix/sysv/linux/wordsize-64/posix_fadvise64.c b/sysdeps/unix/sysv/linux/wordsize-64/posix_fadvise64.c deleted file mode 100644 index c9f72c4ce1..0000000000 --- a/sysdeps/unix/sysv/linux/wordsize-64/posix_fadvise64.c +++ /dev/null @@ -1 +0,0 @@ -/* posix_fadvise64 is in posix_fadvise.c */ diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/syscalls.list b/sysdeps/unix/sysv/linux/x86_64/x32/syscalls.list index dce4302515..a41c8ac882 100644 --- a/sysdeps/unix/sysv/linux/x86_64/x32/syscalls.list +++ b/sysdeps/unix/sysv/linux/x86_64/x32/syscalls.list @@ -3,5 +3,5 @@ fallocate - fallocate Ci:iiii fallocate fallocate64 gettimeofday - gettimeofday:__vdso_gettimeofday@LINUX_2.6 i:pP __gettimeofday gettimeofday personality EXTRA personality Ei:i __personality personality -posix_fadvise - fadvise64 Vi:iiii posix_fadvise posix_fadvise64 +posix_fadvise64 - fadvise64 Vi:iiii posix_fadvise posix_fadvise64 time - time:__vdso_time@LINUX_2.6 Ei:P time