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author	Florian Weimer <fweimer@redhat.com>
	Mon, 1 Mar 2021 14:56:36 +0000 (15:56 +0100)
committer	Florian Weimer <fweimer@redhat.com>
	Mon, 1 Mar 2021 14:58:01 +0000 (15:58 +0100)
commit	9fc813e1a37d2e2d5e85a97d5ac4fc1c15d839fb
tree	62e5002b97acab6f776476c2325a37097693b0ea	tree \| snapshot
parent	764e9a0334350f52ab6953bef1db97f9b2e89ca5	commit \| diff

Implement <unwind-link.h> for dynamically loading the libgcc_s unwinder

This will be used to consolidate the libgcc_s access for backtrace
and pthread_cancel.

Unlike the existing backtrace implementations, it provides some
hardening based on pointer mangling.

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

20 files changed:

debug/backtrace.c		diff \| blob \| history
malloc/set-freeres.c		diff \| blob \| history
misc/Makefile		diff \| blob \| history
misc/Versions		diff \| blob \| history
misc/unwind-link.c	[new file with mode: 0644]	blob
sysdeps/alpha/unwind-arch.h	[new file with mode: 0644]	blob
sysdeps/arm/unwind-arch.h	[new file with mode: 0644]	blob
sysdeps/generic/unwind-arch.h		diff \| blob \| history
sysdeps/generic/unwind-link.h	[new file with mode: 0644]	blob
sysdeps/i386/unwind-arch.h	[new file with mode: 0644]	blob
sysdeps/ia64/unwind-arch.h	[new file with mode: 0644]	blob
sysdeps/m68k/m680x0/unwind-arch.h	[new file with mode: 0644]	blob
sysdeps/m68k/unwind-arch.h	[new file with mode: 0644]	blob
sysdeps/mach/hurd/fork.c		diff \| blob \| history
sysdeps/mips/unwind-arch.h	[moved from sysdeps/unix/sysv/linux/mips/unwind-arch.h with 85% similarity]	diff \| blob \| history
sysdeps/nptl/fork.c		diff \| blob \| history
sysdeps/powerpc/powerpc32/unwind-arch.h	[new file with mode: 0644]	blob
sysdeps/s390/unwind-arch.h	[new file with mode: 0644]	blob
sysdeps/sh/unwind-arch.h	[new file with mode: 0644]	blob
sysdeps/sparc/unwind-arch.h	[new file with mode: 0644]	blob

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