From: Adhemerval Zanella Date: Thu, 11 Jun 2020 19:49:40 +0000 (-0300) Subject: linux: Add fanotify_mark C implementation X-Git-Tag: glibc-2.35~305 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d150181d73d93084136a7ec3f69d8666da8519e4;p=thirdparty%2Fglibc.git linux: Add fanotify_mark C implementation Passing 64-bit arguments on syscalls.list is tricky: it requires to reimplement the expected kernel abi in each architecture. This is way to better to represent in C code where we already have macros for this (SYSCALL_LL64). Checked on x86_64-linux-gnu. --- diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index 76042a6019e..695535716a7 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -66,7 +66,8 @@ sysdep_routines += adjtimex clone umount umount2 readahead sysctl \ fxstatat fxstatat64 \ xmknod xmknodat convert_scm_timestamps \ closefrom_fallback \ - clone3 clone-internal + clone3 clone-internal \ + fanotify_mark \ CFLAGS-gethostid.c = -fexceptions CFLAGS-tee.c = -fexceptions -fasynchronous-unwind-tables diff --git a/sysdeps/unix/sysv/linux/arm/syscalls.list b/sysdeps/unix/sysv/linux/arm/syscalls.list index 10c3ae9daef..fa26876f903 100644 --- a/sysdeps/unix/sysv/linux/arm/syscalls.list +++ b/sysdeps/unix/sysv/linux/arm/syscalls.list @@ -17,8 +17,6 @@ setfsuid - setfsuid32 Ei:i setfsuid prlimit64 EXTRA prlimit64 i:iipp prlimit64 -fanotify_mark EXTRA fanotify_mark i:iiiiis fanotify_mark - personality EXTRA personality Ei:i __personality personality # proper socket implementations: diff --git a/sysdeps/unix/sysv/linux/fanotify_mark.c b/sysdeps/unix/sysv/linux/fanotify_mark.c new file mode 100644 index 00000000000..6269b2c6e0e --- /dev/null +++ b/sysdeps/unix/sysv/linux/fanotify_mark.c @@ -0,0 +1,36 @@ +/* Add, remove, or modify an fanotify mark on a filesystem object. + Linux specific syscall. + Copyright (C) 2021 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 + +int +__fanotify_mark (int fd, unsigned int flags, uint64_t mask, int dirfd, + const char *pathname) +{ + return INLINE_SYSCALL_CALL (fanotify_mark, fd, flags, SYSCALL_LL64 (mask), + dirfd, pathname); +} +#ifdef VERSION_fanotify_mark +# include +versioned_symbol (libc, __fanotify_mark, fanotify_mark, + VERSION_fanotify_mark); +#else +weak_alias (__fanotify_mark, fanotify_mark) +#endif diff --git a/sysdeps/unix/sysv/linux/generic/wordsize-32/syscalls.list b/sysdeps/unix/sysv/linux/generic/wordsize-32/syscalls.list index b775008a37c..736edbe654a 100644 --- a/sysdeps/unix/sysv/linux/generic/wordsize-32/syscalls.list +++ b/sysdeps/unix/sysv/linux/generic/wordsize-32/syscalls.list @@ -2,4 +2,3 @@ # rlimit APIs prlimit64 EXTRA prlimit64 i:iipp prlimit64 -fanotify_mark EXTRA fanotify_mark i:iiiiis fanotify_mark diff --git a/sysdeps/unix/sysv/linux/hppa/fanotify_mark.c b/sysdeps/unix/sysv/linux/hppa/fanotify_mark.c new file mode 100644 index 00000000000..ce347a42613 --- /dev/null +++ b/sysdeps/unix/sysv/linux/hppa/fanotify_mark.c @@ -0,0 +1,2 @@ +#define VERSION_fanotify_mark GLIBC_2_19 +#include diff --git a/sysdeps/unix/sysv/linux/hppa/syscalls.list b/sysdeps/unix/sysv/linux/hppa/syscalls.list index 043d884bf96..cc5305a585b 100644 --- a/sysdeps/unix/sysv/linux/hppa/syscalls.list +++ b/sysdeps/unix/sysv/linux/hppa/syscalls.list @@ -10,5 +10,4 @@ socket - socket i:iii __socket socket socketpair - socketpair i:iiif __socketpair socketpair prlimit64 EXTRA prlimit64 i:iipp __prlimit64 prlimit64@@GLIBC_2.17 -fanotify_mark EXTRA fanotify_mark i:iiiiis __fanotify_mark fanotify_mark@@GLIBC_2.19 personality EXTRA personality Ei:i __personality personality diff --git a/sysdeps/unix/sysv/linux/i386/syscalls.list b/sysdeps/unix/sysv/linux/i386/syscalls.list index 58020dfae5c..d3eaabe61b8 100644 --- a/sysdeps/unix/sysv/linux/i386/syscalls.list +++ b/sysdeps/unix/sysv/linux/i386/syscalls.list @@ -21,6 +21,4 @@ vm86 - vm86 i:ip __vm86 vm86@@GLIBC_2.3.4 prlimit64 EXTRA prlimit64 i:iipp prlimit64 -fanotify_mark EXTRA fanotify_mark i:iiiiis fanotify_mark - personality EXTRA personality Ei:i __personality personality diff --git a/sysdeps/unix/sysv/linux/m68k/syscalls.list b/sysdeps/unix/sysv/linux/m68k/syscalls.list index 55a377b8419..44c84bf626e 100644 --- a/sysdeps/unix/sysv/linux/m68k/syscalls.list +++ b/sysdeps/unix/sysv/linux/m68k/syscalls.list @@ -17,5 +17,4 @@ setfsuid - setfsuid32 Ei:i setfsuid cacheflush EXTRA cacheflush i:iiii __cacheflush cacheflush prlimit64 EXTRA prlimit64 i:iipp prlimit64 -fanotify_mark EXTRA fanotify_mark i:iiiiis fanotify_mark personality EXTRA personality Ei:i __personality personality diff --git a/sysdeps/unix/sysv/linux/microblaze/syscalls.list b/sysdeps/unix/sysv/linux/microblaze/syscalls.list index 932c9cccc8d..0abdc38bf34 100644 --- a/sysdeps/unix/sysv/linux/microblaze/syscalls.list +++ b/sysdeps/unix/sysv/linux/microblaze/syscalls.list @@ -3,5 +3,4 @@ cacheflush EXTRA cacheflush i:iiii __cacheflush cacheflush prlimit64 EXTRA prlimit64 i:iipp prlimit64 -fanotify_mark EXTRA fanotify_mark i:iiiiis fanotify_mark personality EXTRA personality Ei:i __personality personality diff --git a/sysdeps/unix/sysv/linux/mips/mips32/syscalls.list b/sysdeps/unix/sysv/linux/mips/mips32/syscalls.list index f357b5c9181..dbeb184d73b 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/syscalls.list +++ b/sysdeps/unix/sysv/linux/mips/mips32/syscalls.list @@ -1,5 +1,3 @@ # File name Caller Syscall name # args Strong name Weak names prlimit64 EXTRA prlimit64 i:iipp prlimit64 - -fanotify_mark EXTRA fanotify_mark i:iiiiis fanotify_mark diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/syscalls.list b/sysdeps/unix/sysv/linux/mips/mips64/n32/syscalls.list index 9e6a5846856..848028f1251 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/syscalls.list +++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/syscalls.list @@ -6,6 +6,4 @@ lseek64 - lseek i:iii __lseek64 __libc_lseek64 lseek64@@GLIBC_2.2 llseek@GLIBC prlimit64 EXTRA prlimit64 i:iipp prlimit64 -fanotify_mark EXTRA fanotify_mark i:iiiis fanotify_mark - personality EXTRA personality Ei:i __personality personality diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/syscalls.list b/sysdeps/unix/sysv/linux/mips/mips64/n64/syscalls.list index e4e16dfa498..84f348c8e5c 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n64/syscalls.list +++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/syscalls.list @@ -2,6 +2,4 @@ prlimit EXTRA prlimit64 i:iipp prlimit prlimit64 -fanotify_mark EXTRA fanotify_mark i:iiiis fanotify_mark - sendfile - sendfile i:iipi sendfile sendfile64 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list b/sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list index 966856e64a0..d31303250d8 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list @@ -4,4 +4,3 @@ chown - chown i:sii __chown chown@@GLIBC_2.1 lchown - lchown i:sii __lchown lchown@@GLIBC_2.0 chown@GLIBC_2.0 prlimit64 EXTRA prlimit64 i:iipp prlimit64 -fanotify_mark EXTRA fanotify_mark i:iiiiis fanotify_mark diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list b/sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list index 300b13dd016..8e9b7c4b715 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list +++ b/sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list @@ -16,5 +16,4 @@ setfsgid - setfsgid32 Ei:i setfsgid setfsuid - setfsuid32 Ei:i setfsuid prlimit64 EXTRA prlimit64 i:iipp prlimit64 -fanotify_mark EXTRA fanotify_mark i:iiiiis fanotify_mark personality EXTRA personality Ei:i __personality personality diff --git a/sysdeps/unix/sysv/linux/sh/fanotify_mark.c b/sysdeps/unix/sysv/linux/sh/fanotify_mark.c new file mode 100644 index 00000000000..3662f21b60c --- /dev/null +++ b/sysdeps/unix/sysv/linux/sh/fanotify_mark.c @@ -0,0 +1,2 @@ +#define VERSION_fanotify_mark GLIBC_2_16 +#include diff --git a/sysdeps/unix/sysv/linux/sh/syscalls.list b/sysdeps/unix/sysv/linux/sh/syscalls.list index 32badd1ee09..6ff3e8eb8ae 100644 --- a/sysdeps/unix/sysv/linux/sh/syscalls.list +++ b/sysdeps/unix/sysv/linux/sh/syscalls.list @@ -17,6 +17,4 @@ setfsuid - setfsuid32 Ei:i setfsuid prlimit64 EXTRA prlimit64 i:iipp prlimit64 -fanotify_mark EXTRA fanotify_mark i:iiiiis __fanotify_mark fanotify_mark@@GLIBC_2.16 - personality EXTRA personality Ei:i __personality personality diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list b/sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list index 0b6095ffab5..4fcae654519 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list @@ -16,4 +16,3 @@ setfsgid - setfsgid32 Ei:i setfsgid setfsuid - setfsuid32 Ei:i setfsuid prlimit64 EXTRA prlimit64 i:iipp prlimit64 -fanotify_mark EXTRA fanotify_mark i:iiiiis fanotify_mark diff --git a/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list b/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list index 68e3c60536e..8d97a323443 100644 --- a/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list +++ b/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list @@ -2,6 +2,4 @@ sendfile - sendfile i:iipi sendfile sendfile64 prlimit EXTRA prlimit64 i:iipp prlimit prlimit64 - -fanotify_mark EXTRA fanotify_mark i:iiiis fanotify_mark personality EXTRA personality i:i __personality personality