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56b98bf1fb
glibc/sysdeps/unix
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Adhemerval Zanella 56b98bf1fb alpha: Use Linux generic sigaction implementation 
Alpha rt_sigaction syscall uses a slight different kernel ABI than
generic one:

arch/alpha/kernel/signal.c

 90 SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act,
 91                 struct sigaction __user *, oact,
 92                 size_t, sigsetsize, void __user *, restorer)

Similar as sparc, the syscall expects a restorer function.  However
different than sparc, alpha defines the restorer as the 5th argument
(sparc defines as the 4th).

This patch removes the arch-specific alpha sigaction implementation,
adapt the Linux generic one to different restore placements (through
STUB macro), and make alpha use the Linux generic kernel_sigaction
definition.

Checked on alpha-linux-gnu and x86_64-linux-gnu (for sanity).

	* sysdeps/unix/sysv/linux/alpha/Makefile: Update comment about
	__syscall_rt_sigaction.
	* sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h
	(kernel_sigaction): Use Linux generic defintion.
	(STUB): Define.
	(__syscall_rt_sigreturn, __syscall_sigreturn): Add prototype.
	* sysdeps/unix/sysv/linux/alpha/rt_sigaction.S
	(__syscall_rt_sigaction): Remove implementation.
	(__syscall_sigreturn, __syscall_rt_sigreturn): Define as global and
	hidden.
	* sysdeps/unix/sysv/linux/alpha/sigaction.c: Remove file.
	* sysdeps/unix/sysv/linux/alpha/sysdep.h (INLINE_SYSCALL,
	INTERNAL_SYSCALL): Remove definitions.
	* sysdeps/unix/sysv/linux/sigaction.c: Define STUB to accept both the
	action and signal set size.
	* sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c (STUB): Redefine.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c (STUB): Likewise.
2018-12-18 19:52:21 -02:00
..
alpha Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
arm Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
bsd hurd: Avoid some PLTs in libc and librt 2018-04-02 19:07:52 +00:00
i386 Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
inet Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247] 2018-05-23 15:27:24 +02:00
mips Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
powerpc Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
sh Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
sysv/linux alpha: Use Linux generic sigaction implementation 2018-12-18 19:52:21 -02:00
x86_64 Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
clock_gettime.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
clock_nanosleep.c hurd: Avoid some PLTs in libc and librt 2018-04-02 19:07:52 +00:00
clock_settime.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
confstr.h
get_child_max.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
getlogin_r.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
getlogin.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
getpagesize.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
grantpt.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
ifreq.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
Implies
make-syscalls.sh Make llseek a compat symbol (bug 18471). 2018-05-22 15:44:01 +00:00
Makefile Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
pt-fcntl.c Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251) 2018-06-26 13:22:53 -03:00
s-proto-cancel.S
s-proto.S
setxid.h
sockatmark.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
stime.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
syscall-template.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
syscall.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
syscalls.list
sysdep.h nptl: Add C11 threads thrd_* functions 2018-07-24 14:06:45 -03:00