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glibc/sysdeps/unix/sysv/linux/aarch64
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Richard Earnshaw bde4949b6b aarch64: Add sysv specific enabling code for memory tagging 
Add various defines and stubs for enabling MTE on AArch64 sysv-like
systems such as Linux.  The HWCAP feature bit is copied over in the
same way as other feature bits.  Similarly we add a new wrapper header
for mman.h to define the PROT_MTE flag that can be used with mmap and
related functions.

We add a new field to struct cpu_features that can be used, for
example, to check whether or not certain ifunc'd routines should be
bound to MTE-safe versions.

Finally, if we detect that MTE should be enabled (ie via the glibc
tunable); we enable MTE during startup as required.

Support in the Linux kernel was added in version 5.10.

Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
 		2020-12-21 15:25:25 +00:00
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bits aarch64: Add sysv specific enabling code for memory tagging 2020-12-21 15:25:25 +00:00
sys Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
Implies
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Makefile elf: Move vDSO setup to rtld (BZ#24967) 2020-01-03 11:22:07 -03:00
Versions
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__read_tp.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
arch-syscall.h Update syscall lists for Linux 5.10. 2020-12-16 02:08:52 +00:00
c++-types.data
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clone.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
configure
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configure.ac
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cpu-features.c aarch64: Add sysv specific enabling code for memory tagging 2020-12-21 15:25:25 +00:00
cpu-features.h aarch64: Add sysv specific enabling code for memory tagging 2020-12-21 15:25:25 +00:00
dl-cache.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-procinfo.c Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-procinfo.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-static.c Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
getcontext.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
gettimeofday.c linux: Consolidate Linux gettimeofday 2020-01-03 11:21:50 -03:00
ioctl.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
jmp_buf-macros.h
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kernel-features.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
kernel_rt_sigframe.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
ld.abilist ld.so: Do not export free/calloc/malloc/realloc functions [BZ #25486] 2020-02-15 11:01:23 +01:00
ldconfig.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
ldsodefs.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
libBrokenLocale.abilist
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libanl.abilist
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libc-__read_tp.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
libc-start.c Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
libc.abilist Remove mknod wrapper functions, move them to symbols 2020-10-09 17:02:06 -03:00
libcrypt.abilist
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libdl.abilist
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libm.abilist New exp10f version without SVID compat wrapper 2020-06-19 12:08:47 -03:00
libnsl.abilist
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libpthread.abilist nptl: Move pthread_gettattr_np into libc 2020-05-20 20:27:49 +02:00
libresolv.abilist
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librt.abilist
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libthread_db.abilist
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libutil.abilist
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localplt.data aarch64: Accept PLT calls to __getauxval within libc.so 2020-05-12 12:51:10 +02:00
makecontext.c Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
readelflib.c Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
setcontext.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
shlib-versions
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sigaction.c Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
sigcontextinfo.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
swapcontext.S aarch64: fix swapcontext for BTI 2020-07-08 15:02:37 +01:00
syscall.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
sysconf.c Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
sysdep.c Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
sysdep.h linux: Consolidate brk implementation 2020-12-10 17:42:37 -03:00
ucontext-internal.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
ucontext_i.sym
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vfork.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00