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18173559a2
glibc/sysdeps/powerpc/powerpc32
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Paul E. Murphy 18173559a2 powerpc: Fix tabort usage in syscalls 
Fix usage of tabort in generated syscalls.  r0 has special meaning
when used with this instruction, thus it will not generate
persistent errors, nor return an error code.  This mitigates poor
CPU usage when performing elided critical sections.

Additionally, transactions should be aborted when entering a user
invoked syscall.  Otherwise the results of the transaction may be
undefined.

2015-08-25  Paul E. Murphy  <murphyp@linux.vnet.ibm.com>

	* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION): Use
	register other than r0 for tabort, it has special meaning.
	* sysdeps/powerpc/powerpc64/sysdep.h (ABORT_TRANSACTION): Likewise
	* sysdeps/unix.sysv/linux/powerpc/syscall.S (syscall): Abort
	transaction before starting syscall.
2015-08-25 13:45:56 -03:00
..
405 Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
440 Move powerpc ports pieces to libc. 2013-10-04 16:02:33 +00:00
464 Move powerpc ports pieces to libc. 2013-10-04 16:02:33 +00:00
476 Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
970
a2 Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
bits Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
cell Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
e500/nofpu Fix libm feupdateenv namespace (bug 17748). 2015-01-07 19:01:20 +00:00
fpu Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
power4 powerpc: Fix memchr for powerpc32. 2015-08-21 17:06:06 -03:00
power5 Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
power5+ Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
power6 Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
power6x Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
power7 Use libc_hidden_proto / libc_hidden_def with __strnlen. 2015-06-02 20:24:25 +00:00
power8 PowerPC: Adjust multiarch Implies for PowerPC32 2013-12-06 05:47:05 -06:00
__longjmp-common.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
__longjmp.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
add_n.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
addmul_1.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
backtrace.c libc-vdso.h place consolidation 2015-04-20 08:51:17 -03:00
bsd-_setjmp.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
bsd-setjmp.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
bzero.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
compat-ppc-mcount.S
configure powerpc: drop R_PPC_REL16 check 2015-02-10 06:09:22 -05:00
configure.ac powerpc: drop R_PPC_REL16 check 2015-02-10 06:09:22 -05:00
crti.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
crtn.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
dl-dtprocnum.h
dl-irel.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
dl-machine.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
dl-machine.h powerpc __tls_get_addr call optimization 2015-03-25 15:53:47 +10:30
dl-start.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
dl-trampoline.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
gprrest0.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
gprrest1.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
gprsave0.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
gprsave1.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
Implies
libgcc-compat.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
lshift.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
Makefile Move powerpc ports pieces to libc. 2013-10-04 16:02:33 +00:00
mcount.c PowerPC ugly symbol versioning 2013-10-04 10:38:28 +09:30
memset.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
mul_1.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
ppc-mcount.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
register-dump.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
rshift.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
rtld-memset.c
setjmp-common.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
setjmp.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
stackguard-macros.h
start.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
stpcpy.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strchr.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strcmp.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strcpy.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strlen.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strncmp.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
sub_n.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
submul_1.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
sysdep.h powerpc: Fix tabort usage in syscalls 2015-08-25 13:45:56 -03:00
tls-macros.h Remove HAVE_ASM_PPC_REL16 references 2015-03-23 15:33:59 +10:30
tst-audit.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
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