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glibc/sysdeps/powerpc
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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
..
bits 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
nofpu Fix powerpc-nofpu fmaxmagl, fminmagl spurious "invalid" exception (bug 22691). 2018-01-10 00:38:12 +00:00
nptl 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+/fpu Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
power6 Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
power7/fpu Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
powerpc32 powerpc: Fix syscalls during early process initialization [BZ #22685] 2018-01-19 09:50:09 -02:00
powerpc64 powerpc: Fix syscalls during early process initialization [BZ #22685] 2018-01-19 09:50:09 -02:00
powerpc64le Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
soft-fp soft-fp: support after-rounding tininess detection. 2014-02-12 18:27:12 +00:00
sys/platform Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
abort-instr.h
atomic-machine.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
cpu-features.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
cpu-features.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dl-procinfo.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dl-procinfo.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dl-tls.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dl-tls.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dl-tunables.list Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
ffs.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
fpu_control.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
gccframe.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
hwcapinfo.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
hwcapinfo.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
ifunc-sel.h Do not stack-protect ifunc resolvers [BZ #7065] 2016-12-26 10:08:41 +01:00
Implies PowerPC: unify math_ldbl.h implementations 2013-03-08 11:07:15 -03:00
jmpbuf-offsets.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
jmpbuf-unwind.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
ldsodefs.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
libc-tls.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
locale-defines.sym powerpc: strcasestr optmization for power8 2016-04-22 19:23:13 +05:30
longjmp.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
machine-gmon.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
Makefile tst-tlsopt-powerpc as a shared lib 2017-08-03 15:39:21 +09:30
math-tests.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
memusage.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
mod-tlsopt-powerpc.c tst-tlsopt-powerpc as a shared lib 2017-08-03 15:39:21 +09:30
mp_clz_tab.c
novmx-longjmp.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
novmx-sigjmp.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
novmxsetjmp.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
preconfigure Remove --with-fp / --without-fp. 2017-12-12 13:56:47 +00:00
rtld-global-offsets.sym PowerPC: Define AT_HWCAP2 bits and AT_HWCAP2 handling for POWER8. 2013-06-28 16:52:49 -05:00
sched_cpucount.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
sigjmp.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
sotruss-lib.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
stackinfo.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
sysdep.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
test-arith.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
test-arithf.c
test-get_hwcap-static.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
test-get_hwcap.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
test-gettimebase.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tls-macros.h Split tls-macros.h in sysdeps directories. 2012-07-19 17:04:04 -03:00
tst-set_ppr.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-stack-align.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-tlsifunc-static.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-tlsifunc.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-tlsopt-powerpc.c tst-tlsopt-powerpc as a shared lib 2017-08-03 15:39:21 +09:30
Versions Add femode_t functions. 2016-09-07 16:40:09 +00:00