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glibc/sysdeps/powerpc/powerpc64
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Tulio Magno Quites Machado Filho 4612268a0a powerpc: Fix syscalls during early process initialization [BZ #22685] 
The tunables framework needs to execute syscall early in process
initialization, before the TCB is available for consumption.  This
behavior conflicts with powerpc{|64|64le}'s lock elision code, that
checks the TCB before trying to abort transactions immediately before
executing a syscall.

This patch adds a powerpc-specific implementation of __access_noerrno
that does not abort transactions before the executing syscall.

Tested on powerpc{|64|64le}.

	[BZ #22685]
	* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Renamed
	from ABORT_TRANSACTION.
	(ABORT_TRANSACTION): Redirect to ABORT_TRANSACTION_IMPL.
	* sysdeps/powerpc/powerpc64/sysdep.h (ABORT_TRANSACTION,
	ABORT_TRANSACTION_IMPL): Likewise.
	* sysdeps/unix/sysv/linux/powerpc/not-errno.h: New file.  Reuse
	Linux code, but remove the code that aborts transactions.

Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
2018-01-19 09:50:09 -02:00
..
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a2 Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
bits Define wordsize.h macros everywhere 2016-11-04 09:37:44 -07:00
cell Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
fpu Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
multiarch Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
power4 Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
power5 Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
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power9 Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
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backtrace.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
bsd-_setjmp.S
bsd-setjmp.S
bzero.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
configure powerpc64 configure message 2015-03-25 15:45:36 +10:30
configure.ac powerpc64 configure message 2015-03-25 15:45:36 +10:30
crti.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
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dl-machine.c powerpc: Fix error message during relocation overflow 2018-01-05 18:34:09 -02:00
dl-machine.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
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rtld-memset.c
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stackguard-macros.h
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submul_1.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
sysdep.h powerpc: Fix syscalls during early process initialization [BZ #22685] 2018-01-19 09:50:09 -02:00
tls-macros.h tst-tlsopt-powerpc as a shared lib 2017-08-03 15:39:21 +09:30
tst-audit.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00