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(parent: 90ee0d8) | patch
x86_64: Use shadow stack for backtrace implementation fw/x86-shstk-backtrace
authorFlorian Weimer <fweimer@redhat.com>
Fri, 31 May 2024 10:26:43 +0000 (12:26 +0200)
committerFlorian Weimer <fweimer@redhat.com>
Fri, 31 May 2024 20:49:18 +0000 (22:49 +0200)
commitc5f7f4fc8bb857cbe07972ff1e29970b101e9995
tree3ee7b5b3127b3be0bf34b291dd0537f207b5d679tree
parent90ee0d87302810f1670a1fbcf9455b883309b1decommit | diff
x86_64: Use shadow stack for backtrace implementation

Test failures:

FAIL: debug/tst-backtrace4
FAIL: misc/tst-sigcontext-get_pc

The return address of signal handlers is not on the shadow stack.
debug/backtrace.c diff | blob | blame | history
sysdeps/generic/arch_backtrace.h [new file with mode: 0644] blob
sysdeps/unix/sysv/linux/tst-sigcontext-get_pc.c diff | blob | blame | history
sysdeps/unix/sysv/linux/x86_64/libc_sigaction.c diff | blob | blame | history
sysdeps/x86/cpu-features.c diff | blob | blame | history
sysdeps/x86_64/arch_backtrace.h [new file with mode: 0644] blob
sysdeps/x86_64/dl-cet.c diff | blob | blame | history
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