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authorH.J. Lu <hjl.tools@gmail.com>2018-07-14 05:53:05 -0700
committerH.J. Lu <hjl.tools@gmail.com>2018-07-14 05:56:46 -0700
commitebff9c5cfae62e84dbd0456d564bd882818dc15f (patch)
treebf8bb50ca20fe7cd8adbac896707bd02975ea1ff /string/strcasecmp.c
parent0a83bad2aae6807a108d5bb3eb3389060702265b (diff)
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x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
feature_1 has X86_FEATURE_1_IBT and X86_FEATURE_1_SHSTK bits for CET
run-time control.

CET_ENABLED, IBT_ENABLED and SHSTK_ENABLED are defined to 1 or 0 to
indicate that if CET, IBT and SHSTK are enabled.

<tls-setup.h> is added to set up thread-local data.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>

	[BZ #22563]
	* nptl/pthread_create.c: Include <tls-setup.h>.
	(__pthread_create_2_1): Call tls_setup_tcbhead.
	* sysdeps/generic/tls-setup.h: New file.
	* sysdeps/x86/nptl/tls-setup.h: Likewise.
	* sysdeps/i386/nptl/tcb-offsets.sym (FEATURE_1_OFFSET): New.
	* sysdeps/x86_64/nptl/tcb-offsets.sym (FEATURE_1_OFFSET):
	Likewise.
	* sysdeps/i386/nptl/tls.h (tcbhead_t): Rename __glibc_reserved1
	to feature_1.
	* sysdeps/x86_64/nptl/tls.h (tcbhead_t): Likewise.
	* sysdeps/x86/sysdep.h (X86_FEATURE_1_IBT): New.
	(X86_FEATURE_1_SHSTK): Likewise.
	(CET_ENABLED): Likewise.
	(IBT_ENABLED): Likewise.
	(SHSTK_ENABLED): Likewise.
Diffstat (limited to 'string/strcasecmp.c')
0 files changed, 0 insertions, 0 deletions