From ebff9c5cfae62e84dbd0456d564bd882818dc15f Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Sat, 14 Jul 2018 05:53:05 -0700 Subject: 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. is added to set up thread-local data. Reviewed-by: Carlos O'Donell [BZ #22563] * nptl/pthread_create.c: Include . (__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. --- ChangeLog | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'ChangeLog') diff --git a/ChangeLog b/ChangeLog index 981e65ed3f..e5eead0f0f 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,22 @@ +2018-07-14 H.J. Lu + + [BZ #22563] + * nptl/pthread_create.c: Include . + (__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. + 2018-07-13 Rafal Luzynski [BZ #23208] -- cgit v1.2.3