https://llvm.org/bugs/show_bug.cgi?id=28179
Bug ID: 28179
Summary: [LTO] Build of FreeBSD rtld(1) fails with undefined
symbols
Product: lld
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: unassignedb...@nondot.org
Reporter: dav...@freebsd.org
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
$ sh blah.sh
undefined symbol: __stack_chk_fail
undefined symbol: __libc_sigaction in
./home/buildbot/obj/usr/home/buildbot/freebsd/tmp/usr/lib/libc_pic.a(abort.So)
$ ~/work/llvm/build-release/bin/llvm-nm -print-armap libc_pic.a |grep
__stack_chk_fail
__stack_chk_fail in stack_protector.So
---------------- T __stack_chk_fail
$ ~/work/llvm/build-release/bin/llvm-nm -print-armap libc_pic.a |grep
__libc_sigaction
U __libc_sigaction
U __libc_sigaction
U __libc_sigaction
U __libc_sigaction
U __libc_sigaction
---------------- T __libc_sigaction
U __libc_sigaction
U __libc_sigaction
Notably, __libc_sigaction doesn't show up in the armap.
It is defined in sigaction.So
sigaction.So:
U __libc_interposing
---------------- T __libc_sigaction
---------------- T __sigaction
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