https://bugs.llvm.org/show_bug.cgi?id=32703
Bug ID: 32703
Summary: lld with --dynamic-list breaks FreeBSD
Product: lld
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: ELF
Assignee: unassignedb...@nondot.org
Reporter: and...@fubar.geek.nz
CC: dimi...@andric.com, ema...@freebsd.org,
llvm-bugs@lists.llvm.org
When porting the sanitizers to FreeBSD/arm64 I found the tests failed to run
with the following error:
/lib/libc.so.7: Undefined symbol "__progname"
I tracked this down to the use of --dynamic-list with lld. When I remove these
arguments from the linker command line the test runs without the error.
Building with ld.bfd, but with --dynamic-list also runs correctly.
It seems the issue is lld fails to put __progname in the .dynsym section. This
comes from crt1.o, and libc expects this to be exported from the main program.
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