| Commit message (Collapse) | Author | Age | Files | Lines |
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microblaze does not export it in libc.so nor the kernel provides the
cacheflush syscall.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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The LFS prlimit64 requires a arch-specific implementation in
syscalls.list. Instead add a generic one that handles the
required symbol alias for __RLIM_T_MATCHES_RLIM64_T.
HPPA is the only outlier which requires a different default
symbol.
Checked on x86_64-linux-gnu and with build for the affected ABIs.
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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.
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this patch add a direct call to shmget syscall if it is supported by
kernel features.
Checked on x86_64, i686, powerpc64le, aarch64, and armhf.
* sysdeps/unix/sysv/linux/alpha/syscalls.list (shmget): Remove.
* sysdeps/unix/sysv/linux/arm/syscalls.list (shmget): Likewise.
* sysdeps/unix/sysv/linux/generic/syscalls.list (shmget): Likewise.
* sysdeps/unix/sysv/linux/hppa/syscalls.list (shmget): Likewise.
* sysdeps/unix/sysv/linux/ia64/syscalls.list (shmget): Likewise.
* sysdeps/unix/sysv/linux/microblaze/syscalls.list (shmget): Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (shmget):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (shmget):
Likewise.
* sysdeps/unix/sysv/linux/x86_64/syscalls.list (shmget): Likewise.
* sysdeps/unix/sysv/linux/shmget.c (shmget): Use shmget syscall if it
is defined.
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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.
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This patch add a direct call to shmat syscall if it is supported by
kernel features.
Checked on x86_64, i686, powerpc64le, aarch64, and armhf.
* sysdeps/unix/sysv/linux/alpha/syscalls.list (shmat): Remove.
* sysdeps/unix/sysv/linux/arm/syscalls.list (shmat): Likewise.
* sysdeps/unix/sysv/linux/generic/syscalls.list (shmat): Likewise.
* sysdeps/unix/sysv/linux/hppa/syscalls.list (shmat): Likewise.
* sysdeps/unix/sysv/linux/ia64/syscalls.list (shmat): Likewise.
* sysdeps/unix/sysv/linux/microblaze/syscalls.list (shmat): Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (shmat):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (shmat):
Likewise.
* sysdeps/unix/sysv/linux/x86_64/syscalls.list (shmat): Likewise.
* sysdeps/unix/sysv/linux/alpha/kernel-features.h (__NR_shmat):
Define to __NR_osf_shmat.
* sysdeps/unix/sysv/linux/shmat.c (shmat): Use shmat syscall if it is
defined.
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This patch consolidates the semtimedop Linux implementation in only
one default file, sysdeps/unix/sysv/linux/semtimedop.c. If tries to use
the direct syscall if it is supported, otherwise will use the old ipc
multiplex mechanism.
Checked on x86_64, i686, powerpc64le, aarch64, and armhf.
* sysdeps/unix/sysv/linux/alpha/syscalls.list (semtimedop): Remove.
* sysdeps/unix/sysv/linux/arm/syscalls.list (semtimedop): Likewise.
* sysdeps/unix/sysv/linux/generic/syscalls.list (semtimedop):
Likewise.
* sysdeps/unix/sysv/linux/hppa/syscalls.list (semtimedop): Likewise.
* sysdeps/unix/sysv/linux/ia64/syscalls.list (semtimedop): Likewise.
* sysdeps/unix/sysv/linux/microblaze/syscalls.list (semtimedop):
Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (semtimedop):
Likewise.
* sysdeps/unix/sysv/linux/x86_64/syscalls.list (semtimedop): Likewise.
* sysdeps/unix/sysv/linux/m68k/semtimedop.S: Remove file.
* sysdeps/unix/sysv/linux/s390/semtimedop.c: Reorganize headers and
add a comment about s390 syscall difference from default one.
* sysdeps/unix/sysv/linux/semtimedop.c (semtimedop): Use semtimedop
syscall if it is defined.
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This patch add a direct call to semop syscall if it is supported by
kernel headers.
Checked on x86_64, i686, powerpc64le, aarch64, and armhf.
* sysdeps/unix/sysv/linux/alpha/syscalls.list (semop): Remove.
* sysdeps/unix/sysv/linux/arm/syscalls.list (semop): Likewise.
* sysdeps/unix/sysv/linux/generic/syscalls.list (semop): Likewise.
* sysdeps/unix/sysv/linux/hppa/syscalls.list (semop): Likewise.
* sysdeps/unix/sysv/linux/ia64/syscalls.list (semop): Likewise.
* sysdeps/unix/sysv/linux/microblaze/syscalls.list (semop): Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (semop):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (semop):
Likewise.
* sysdeps/unix/sysv/linux/x86_64/syscalls.list (semop): Likewise.
* sysdeps/unix/sysv/linux/semop.c (semop): Use semop syscall if it is
defined.
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This patch add a direct call to semget syscall if it is supported by
kernel features.
hecked on x86_64, i686, powerpc64le, aarch64, and armhf.
* sysdeps/unix/sysv/linux/alpha/syscalls.list (semget): Remove.
* sysdeps/unix/sysv/linux/arm/syscalls.list (semget): Likewise.
* sysdeps/unix/sysv/linux/generic/syscalls.list (semget): Likewise.
* sysdeps/unix/sysv/linux/hppa/syscalls.list (semget): Likewise.
* sysdeps/unix/sysv/linux/ia64/syscalls.list (semget): Likewise.
* sysdeps/unix/sysv/linux/microblaze/syscalls.list (semget): Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (semget):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (semget):
Likewise.
* sysdeps/unix/sysv/linux/x86_64/syscalls.list (semget): Likewise.
* sysdeps/unix/sysv/linux/semget.c (semget): Use semget syscall
if it is defined.
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This patch add a direct call to msgget syscall if it is supported by
kernel features.
hecked on x86_64, i686, powerpc64le, aarch64, and armhf.
* sysdeps/unix/sysv/linux/alpha/syscalls.list (msgget): Remove.
* sysdeps/unix/sysv/linux/arm/syscalls.list (msgget): Likewise.
* sysdeps/unix/sysv/linux/generic/syscalls.list (msgget): Likewise.
* sysdeps/unix/sysv/linux/hppa/syscalls.list (msgget): Likewise.
* sysdeps/unix/sysv/linux/ia64/syscalls.list (msgget): Likewise.
* sysdeps/unix/sysv/linux/microblaze/syscalls.list (msgget): Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (msgget):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (msgget):
Likewise.
* sysdeps/unix/sysv/linux/x86_64/syscalls.list (msgget): Likewise.
* sysdeps/unix/sysv/linux/msgget.c (msgget): Use msgget syscall if
define.
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This patch add a direct call to msgsnd syscall if it is supported by
kernel features.
hecked on x86_64, i686, powerpc64le, aarch64, and armhf.
* sysdeps/unix/sysv/linux/alpha/syscalls.list (msgsnd): Remove.
* sysdeps/unix/sysv/linux/arm/syscalls.list (msgsnd): Likewise.
* sysdeps/unix/sysv/linux/generic/syscalls.list (msgsnd): Likewise.
* sysdeps/unix/sysv/linux/hppa/syscalls.list (msgsnd): Likewise.
* sysdeps/unix/sysv/linux/ia64/syscalls.list (msgsnd): Likewise.
* sysdeps/unix/sysv/linux/microblaze/syscalls.list (msgsnd): Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (msgsnd):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (msgsnd):
Likewise.
* sysdeps/unix/sysv/linux/x86_64/syscalls.list (msgsnd): Likewise.
* sysdeps/unix/sysv/linux/msgsnd.c (__libc_msgsnd): Use msgsnd syscall
if defined.
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This patch consolidates the msgrcv Linux implementation in only
one default file, sysdeps/unix/sysv/linux/msgrcv.c. If tries to use
the direct syscall if it is supported, otherwise will use the old ipc
multiplex mechanism.
Checked on x86_64, i686, powerpc64le, aarch64, and armhf.
* sysdeps/unix/sysv/linux/alpha/syscalls.list (msgctl): Remove.
* sysdeps/unix/sysv/linux/arm/syscalls.list (msgctl): Likewise.
* sysdeps/unix/sysv/linux/generic/syscalls.list (msgctl): Likewise.
* sysdeps/unix/sysv/linux/hppa/syscalls.list (msgctl): Likewise.
* sysdeps/unix/sysv/linux/ia64/syscalls.list (msgctl): Likewise.
* sysdeps/unix/sysv/linux/microblaze/syscalls.list (msgctl): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (msgctl):
Likewise.
* sysdeps/unix/sysv/linux/x86_64/syscalls.list (msgctl): Likewise,
* sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (msgctl):
Likewise.
* sysdeps/unix/sysv/linux/msgrcv.c (__libc_msgrcv): Use msgrcv syscall
if defined.
* sysdeps/unix/sysv/linux/sparc/sparc64/msgrcv.c: Remove file.
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The personality system call, starting with linux kernel commit
v2.6.29-6609-g11d06b2a1e5658f448a308aa3beb97bacd64a940, always
successfully changes the personality if requested. The syscall
wrapper, however, still can return an error in the following cases:
- the value returned by the system call looks like an error
due to architecture limitations of 32-bit kernels;
- a personality greater than 0xffffffff is passed to the system call,
and the 64-bit kernel does not have commit
v2.6.35-rc1-372-g485d527686850d68a0e9006dd9904f19f122485e
that would truncate this value to unsigned int;
- on sparc64, the value returned by the system call looks like an error
due to sparc64 kernel sign extension bug.
The solution is three-fold:
- move generic syscalls.list personality entry to generic 64-bit
syscalls.list file;
- for each 32-bit architecture that use negated errno semantics,
add a NOERRNO personality entry to their syscalls.list file;
- for sparc64 and 32-bit architectures that use dedicated registers
to flag syscall errors, add a wrapper around personality syscall;
if the system call return value is flagged as an error, this wrapper
returns the negated "would be errno" value, otherwise it returns
the system call return value; on sparc64, it also truncates the
personality argument to unsigned int before passing it to the kernel.
[BZ #19408]
* sysdeps/unix/sysv/linux/personality.c: New file.
* sysdeps/unix/sysv/linux/sparc/sparc64/personality.c: Likewise.
* sysdeps/unix/sysv/linux/tst-personality.c: Likewise.
* sysdeps/unix/sysv/linux/Makefile [$(subdir) == misc]
(sysdep_routines): Add personality.
(tests): Add tst-personality.
* sysdeps/unix/sysv/linux/syscalls.list (personality): Move ...
* sysdeps/unix/sysv/linux/wordsize-64/syscalls.list: ... here.
* sysdeps/unix/sysv/linux/arm/syscalls.list (personality): New entry.
* sysdeps/unix/sysv/linux/hppa/syscalls.list (personality): Likewise.
* sysdeps/unix/sysv/linux/i386/syscalls.list (personality): Likewise.
* sysdeps/unix/sysv/linux/m68k/syscalls.list (personality): Likewise.
* sysdeps/unix/sysv/linux/microblaze/syscalls.list (personality):
Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/syscalls.list (personality):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list (personality):
Likewise.
* sysdeps/unix/sysv/linux/sh/syscalls.list (personality): Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/syscalls.list (personality):
Likewise.
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2014-02-17 David Holsgrove <david.holsgrove@xilinx.com>
* sysdeps/microblaze: Move directory from ports/sysdeps/microblaze.
* sysdeps/unix/sysv/linux/microblaze: Move directory from
ports/sysdeps/unix/sysv/linux/microblaze.
* README: Add missing listing for microblaze*-*-linux-gnu.
Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com>
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