From patchwork Mon Dec 12 12:33:08 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adhemerval Zanella X-Patchwork-Id: 18402 Received: (qmail 13459 invoked by alias); 12 Dec 2016 12:33:59 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 10056 invoked by uid 89); 12 Dec 2016 12:33:49 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RCVD_IN_SORBS_SPAM, SPF_PASS autolearn=no version=3.3.2 spammy=84, 2, 5 X-HELO: mail-ua0-f175.google.com X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=TzsDwBn/OYY55JDhiZ35nWjvXDtxbJsThxygnwPHO0c=; b=JINYqa6gtmnmHh70xOZo8PETas0eVmwwXvJGp4z68nTmIlOdhHseNktb1qqeaFTQW+ he8NOsU3IFhf/NSIuEqxQwsu2Ac08Xc5Ad5Hd8sRDXypa+u0yzjtFFEUZUOm2rHfzZUV xyG6Lsb5tx3Km7gBA4TLteQVWkDxV2ifljMNuu3nTFmMhS29YOjrk8eQHROz6Yywvi+Q RbAi0dg86FHrEuPS5O7niCxJTgDgRkiqJjiW7agp5ruxX0FgteOWq/JMcvd87g0sS/Dg OLtQ5jLahVV7tZaVsOvTjRDpGLD+skSlt4umII7NZBcQBDR3sqgH4ys6ZW6HYJ5ieP0a knbA== X-Gm-Message-State: AKaTC01myBlLEXqdbLcXW9Eib8vR3CV58zcnISRYVDoBLmLxmUDK+T4ARpU3vC9dpbalxMAb X-Received: by 10.176.84.8 with SMTP id n8mr36867168uaa.29.1481546013742; Mon, 12 Dec 2016 04:33:33 -0800 (PST) From: Adhemerval Zanella To: libc-alpha@sourceware.org Subject: [PATCH 15/17] Use shmdt syscall for linux implementation Date: Mon, 12 Dec 2016 10:33:08 -0200 Message-Id: <1481545990-7247-16-git-send-email-adhemerval.zanella@linaro.org> In-Reply-To: <1481545990-7247-1-git-send-email-adhemerval.zanella@linaro.org> References: <1481545990-7247-1-git-send-email-adhemerval.zanella@linaro.org> this patch add a direct call to shmdt syscall if it is supported by kernel features. hecked on x86_64, i686, powerpc64le, aarch64, and armhf. * sysdeps/unix/sysv/linux/alpha/syscalls.list (shmdt): Remove. * sysdeps/unix/sysv/linux/arm/syscalls.list (shmdt): Likewise. * sysdeps/unix/sysv/linux/generic/syscalls.list (shmdt): Likewise. * sysdeps/unix/sysv/linux/hppa/syscalls.list (shmdt): Likewise. * sysdeps/unix/sysv/linux/ia64/syscalls.list (shmdt): Likewise. * sysdeps/unix/sysv/linux/microblaze/syscalls.list (shmdt): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (shmdt): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (shmdt): Likewise. * sysdeps/unix/sysv/linux/x86_64/syscalls.list (shmdt): Likewise. * sysdeps/unix/sysv/linux/shmdt.c (shmdt): Use shmdt syscall if it is defined. --- ChangeLog | 14 ++++++++++++++ sysdeps/unix/sysv/linux/alpha/syscalls.list | 1 - sysdeps/unix/sysv/linux/arm/syscalls.list | 1 - sysdeps/unix/sysv/linux/generic/syscalls.list | 1 - sysdeps/unix/sysv/linux/hppa/syscalls.list | 1 - sysdeps/unix/sysv/linux/ia64/syscalls.list | 1 - sysdeps/unix/sysv/linux/microblaze/syscalls.list | 1 - sysdeps/unix/sysv/linux/mips/mips64/syscalls.list | 1 - sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list | 1 - sysdeps/unix/sysv/linux/shmdt.c | 12 +++++++----- sysdeps/unix/sysv/linux/x86_64/syscalls.list | 1 - 11 files changed, 21 insertions(+), 14 deletions(-) diff --git a/sysdeps/unix/sysv/linux/alpha/syscalls.list b/sysdeps/unix/sysv/linux/alpha/syscalls.list index bf9c8ad..096bf22 100644 --- a/sysdeps/unix/sysv/linux/alpha/syscalls.list +++ b/sysdeps/unix/sysv/linux/alpha/syscalls.list @@ -1,6 +1,5 @@ # File name Caller Syscall name # args Strong name Weak names -shmdt - shmdt i:s __shmdt shmdt shmget - shmget i:iii __shmget shmget sigstack - sigstack 2 sigstack diff --git a/sysdeps/unix/sysv/linux/arm/syscalls.list b/sysdeps/unix/sysv/linux/arm/syscalls.list index f50a5cf..b1ea664 100644 --- a/sysdeps/unix/sysv/linux/arm/syscalls.list +++ b/sysdeps/unix/sysv/linux/arm/syscalls.list @@ -23,7 +23,6 @@ personality EXTRA personality Ei:i __personality personality # Semaphore and shm system calls. msgctl, shmctl, and semctl have C # wrappers (to set __IPC_64). -shmdt - shmdt i:s __shmdt shmdt shmget - shmget i:iii __shmget shmget # proper socket implementations: diff --git a/sysdeps/unix/sysv/linux/generic/syscalls.list b/sysdeps/unix/sysv/linux/generic/syscalls.list index 80244c4..51ce148 100644 --- a/sysdeps/unix/sysv/linux/generic/syscalls.list +++ b/sysdeps/unix/sysv/linux/generic/syscalls.list @@ -2,7 +2,6 @@ # SysV APIs shmget - shmget i:iii __shmget shmget -shmdt - shmdt i:s __shmdt shmdt # Socket APIs socket - socket i:iii __socket socket diff --git a/sysdeps/unix/sysv/linux/hppa/syscalls.list b/sysdeps/unix/sysv/linux/hppa/syscalls.list index d755bfd..e75dd43 100644 --- a/sysdeps/unix/sysv/linux/hppa/syscalls.list +++ b/sysdeps/unix/sysv/linux/hppa/syscalls.list @@ -1,7 +1,6 @@ # File name Caller Syscall name # args Strong name Weak names # semaphore and shm system calls -shmdt - shmdt i:s __shmdt shmdt shmget - shmget i:iii __shmget shmget # proper socket implementations: diff --git a/sysdeps/unix/sysv/linux/ia64/syscalls.list b/sysdeps/unix/sysv/linux/ia64/syscalls.list index 90bd870..5ebade1 100644 --- a/sysdeps/unix/sysv/linux/ia64/syscalls.list +++ b/sysdeps/unix/sysv/linux/ia64/syscalls.list @@ -5,7 +5,6 @@ umount2 - umount 2 __umount2 umount2 getpriority - getpriority i:ii __getpriority getpriority # semaphore and shm system calls -shmdt - shmdt i:s __shmdt shmdt shmget - shmget i:iii __shmget shmget # proper socket implementations: diff --git a/sysdeps/unix/sysv/linux/microblaze/syscalls.list b/sysdeps/unix/sysv/linux/microblaze/syscalls.list index 8b844f2..7a5666f 100644 --- a/sysdeps/unix/sysv/linux/microblaze/syscalls.list +++ b/sysdeps/unix/sysv/linux/microblaze/syscalls.list @@ -8,5 +8,4 @@ personality EXTRA personality Ei:i __personality personality # Semaphore and shm system calls. msgctl, shmctl, and semctl have C # wrappers (to set __IPC_64). -shmdt - shmdt i:s __shmdt shmdt shmget - shmget i:iii __shmget shmget diff --git a/sysdeps/unix/sysv/linux/mips/mips64/syscalls.list b/sysdeps/unix/sysv/linux/mips/mips64/syscalls.list index e93c87a..e8e381b 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/syscalls.list +++ b/sysdeps/unix/sysv/linux/mips/mips64/syscalls.list @@ -2,5 +2,4 @@ # Semaphore and shm system calls. msgctl, shmctl, and semctl have C # wrappers (to set __IPC_64). -shmdt - shmdt i:s __shmdt shmdt shmget - shmget i:iii __shmget shmget diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list b/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list index 4d478ce..0ccbffa 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list +++ b/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list @@ -1,5 +1,4 @@ # File name Caller Syscall name # args Strong name Weak names # semaphore and shm system calls -shmdt - shmdt i:s __shmdt shmdt shmget - shmget i:iii __shmget shmget diff --git a/sysdeps/unix/sysv/linux/shmdt.c b/sysdeps/unix/sysv/linux/shmdt.c index 7224d6f..5f3363e 100644 --- a/sysdeps/unix/sysv/linux/shmdt.c +++ b/sysdeps/unix/sysv/linux/shmdt.c @@ -16,12 +16,10 @@ License along with the GNU C Library; if not, see . */ -#include -#include +#include #include - #include -#include +#include /* Detach shared memory segment starting at address specified by SHMADDR from the caller's data segment. */ @@ -29,5 +27,9 @@ int shmdt (const void *shmaddr) { - return INLINE_SYSCALL (ipc, 5, IPCOP_shmdt, 0, 0, 0, (void *) shmaddr); +#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS + return INLINE_SYSCALL_CALL (shmdt, shmaddr); +#else + return INLINE_SYSCALL_CALL (ipc, IPCOP_shmdt, 0, 0, 0, shmaddr); +#endif } diff --git a/sysdeps/unix/sysv/linux/x86_64/syscalls.list b/sysdeps/unix/sysv/linux/x86_64/syscalls.list index 18bd588..cb1a9f9 100644 --- a/sysdeps/unix/sysv/linux/x86_64/syscalls.list +++ b/sysdeps/unix/sysv/linux/x86_64/syscalls.list @@ -6,7 +6,6 @@ pread64 - pread64 Ci:ipii __libc_pread __libc_pread64 __pread64 pread64 __prea preadv64 - preadv Ci:ipii preadv64 preadv pwrite64 - pwrite64 Ci:ipii __libc_pwrite __libc_pwrite64 __pwrite64 pwrite64 __pwrite pwrite pwritev64 - pwritev Ci:ipii pwritev64 pwritev -shmdt - shmdt i:s __shmdt shmdt shmget - shmget i:iii __shmget shmget syscall_clock_gettime EXTRA clock_gettime Ei:ip __syscall_clock_gettime