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glibc/sysdeps/unix/sysv/linux/bits
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Florian Weimer 446d22e91d Linux: Implement interfaces for memory protection keys 
This adds system call wrappers for pkey_alloc, pkey_free, pkey_mprotect,
and x86-64 implementations of pkey_get and pkey_set, which abstract over
the PKRU CPU register and hide the actual number of memory protection
keys supported by the CPU.  pkey_mprotect with a -1 key is implemented
using mprotect, so it will work even if the kernel does not support the
pkey_mprotect system call.

The system call wrapers use unsigned int instead of unsigned long for
parameters, so that no special treatment for x32 is needed.  The flags
argument is currently unused, and the access rights bit mask is limited
to two bits by the current PKRU register layout anyway.

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2017-12-05 15:20:35 +01:00
..
types Fix sigval namespace (bug 21944). 2017-08-16 20:33:59 +00:00
a.out.h Update. 2003-07-25 09:06:04 +00:00
dirent.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
epoll.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
errno.h Remove __need macros from errno.h (__need_Emath, __need_error_t). 2017-06-14 08:14:34 -04:00
eventfd.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
fcntl-linux.h Add Linux 4.13 constants to bits/fcntl-linux.h. 2017-09-08 16:20:23 +00:00
fcntl.h Update. 2000-09-01 07:14:30 +00:00
in.h Add more IPV6_* macros to sysdeps/unix/sysv/linux/bits/in.h. 2017-03-13 16:45:23 +00:00
initspin.h Update. 2000-10-15 06:50:42 +00:00
inotify.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
ioctl-types.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
ioctls.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
ipc.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
local_lim.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
mman-linux.h Linux: Introduce <bits/mman-shared.h> 2017-11-24 17:55:59 +01:00
mman-shared.h Linux: Implement interfaces for memory protection keys 2017-12-05 15:20:35 +01:00
mqueue.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
msq.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
param.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
poll.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
posix_opt.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
resource.h Define struct rusage in sys/wait.h when required (bug 21575). 2017-06-19 11:59:19 +00:00
sched.h Remove __need_schedparam and __cpu_set_t_defined. 2017-06-12 17:11:36 -04:00
sem.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
shm.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
sigaction.h Fix XPG4.2 bits/sigaction.h namespace (bug 21899). 2017-08-07 23:41:32 +00:00
sigcontext.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
sigevent-consts.h Remove __need macros from signal.h. 2017-05-20 19:04:43 -04:00
siginfo-arch.h Remove __need macros from signal.h. 2017-05-20 19:04:43 -04:00
siginfo-consts-arch.h Remove __need macros from signal.h. 2017-05-20 19:04:43 -04:00
siginfo-consts.h Linux: Implement interfaces for memory protection keys 2017-12-05 15:20:35 +01:00
signalfd.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
signum.h Factor out shared definitions from bits/signum.h. 2017-06-20 20:32:50 -04:00
sigstack.h Split up bits/sigstack.h. 2017-05-19 20:35:07 +00:00
socket.h Add MSG_ZEROCOPY from Linux 4.14 to bits/socket.h. 2017-11-15 18:41:32 +00:00
socket_type.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
ss_flags.h Split up bits/sigstack.h. 2017-05-19 20:35:07 +00:00
stat.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
statfs.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
statvfs.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
sys_errlist.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
sysctl.h Add sysctl.mk and bits/sysctl.h 2012-05-22 13:46:29 -07:00
termios.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
time.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
timerfd.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
timex.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
uio-ext.h posix: Add p{readv,writev}2 flags to generic uio-ext.h 2017-10-17 17:52:04 -02:00
uio_lim.h Remove __need_IOV_MAX and __need_FOPEN_MAX. 2017-06-14 07:51:30 -04:00
utsname.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
waitflags.h Fix waitid namespace (bug 21561). 2017-06-09 16:28:07 +00:00