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Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 67 |
1 files changed, 67 insertions, 0 deletions
@@ -1,3 +1,70 @@ +2018-07-16 H.J. Lu <hongjiu.lu@intel.com> + + [BZ #21598] + * configure.ac: Add --enable-cet. + * configure: Regenerated. + * elf/Makefille (all-built-dso): Add a comment. + * elf/dl-load.c (filebuf): Moved before "dynamic-link.h". + Include <dl-prop.h>. + (_dl_map_object_from_fd): Call _dl_process_pt_note on PT_NOTE + segment. + * elf/dl-open.c: Include <dl-prop.h>. + (dl_open_worker): Call _dl_open_check. + * elf/rtld.c: Include <dl-prop.h>. + (dl_main): Call _rtld_process_pt_note on PT_NOTE segment. Call + _rtld_main_check. + * sysdeps/generic/dl-prop.h: New file. + * sysdeps/i386/dl-cet.c: Likewise. + * sysdeps/unix/sysv/linux/x86/cpu-features.c: Likewise. + * sysdeps/unix/sysv/linux/x86/dl-cet.h: Likewise. + * sysdeps/x86/cet-tunables.h: Likewise. + * sysdeps/x86/check-cet.awk: Likewise. + * sysdeps/x86/configure: Likewise. + * sysdeps/x86/configure.ac: Likewise. + * sysdeps/x86/dl-cet.c: Likewise. + * sysdeps/x86/dl-procruntime.c: Likewise. + * sysdeps/x86/dl-prop.h: Likewise. + * sysdeps/x86/libc-start.h: Likewise. + * sysdeps/x86/link_map.h: Likewise. + * sysdeps/i386/dl-trampoline.S (_dl_runtime_resolve): Add + _CET_ENDBR. + (_dl_runtime_profile): Likewise. + (_dl_runtime_resolve_shstk): New. + (_dl_runtime_profile_shstk): Likewise. + * sysdeps/linux/x86/Makefile (sysdep-dl-routines): Add dl-cet + if CET is enabled. + (CFLAGS-.o): Add -fcf-protection if CET is enabled. + (CFLAGS-.os): Likewise. + (CFLAGS-.op): Likewise. + (CFLAGS-.oS): Likewise. + (asm-CPPFLAGS): Add -fcf-protection -include cet.h if CET + is enabled. + (tests-special): Add $(objpfx)check-cet.out. + (cet-built-dso): New. + (+$(cet-built-dso:=.note)): Likewise. + (common-generated): Add $(cet-built-dso:$(common-objpfx)%=%.note). + ($(objpfx)check-cet.out): New. + (generated): Add check-cet.out. + * sysdeps/x86/cpu-features.c: Include <dl-cet.h> and + <cet-tunables.h>. + (TUNABLE_CALLBACK (set_x86_ibt)): New prototype. + (TUNABLE_CALLBACK (set_x86_shstk)): Likewise. + (init_cpu_features): Call get_cet_status to check CET status + and update dl_x86_feature_1 with CET status. Call + TUNABLE_CALLBACK (set_x86_ibt) and TUNABLE_CALLBACK + (set_x86_shstk). Disable and lock CET in libc.a. + * sysdeps/x86/cpu-tunables.c: Include <cet-tunables.h>. + (TUNABLE_CALLBACK (set_x86_ibt)): New function. + (TUNABLE_CALLBACK (set_x86_shstk)): Likewise. + * sysdeps/x86/sysdep.h (_CET_NOTRACK): New. + (_CET_ENDBR): Define if not defined. + (ENTRY): Add _CET_ENDBR. + * sysdeps/x86/dl-tunables.list (glibc.tune): Add x86_ibt and + x86_shstk. + * sysdeps/x86_64/dl-trampoline.h (_dl_runtime_resolve): Add + _CET_ENDBR. + (_dl_runtime_profile): Likewise. + 2018-07-16 Rogerio A. Cardoso <rcardoso@linux.vnet.ibm.com> [BZ #21895] |