I skimmed this email thread and someone said that disabling launch-with-shell worked around the issue. That would be in line with this OS change. Jason > On Oct 31, 2016, at 4:54 AM, Jonas Maebe wrote: > > Tristan Gingold wrote: >>> On 01 Oct 2016, at 14:08, Jonas Maebe wrote: >>> >>> Has anyone succeeded yet in getting gdb to work on macOS 10.12? Reportedly, it works when you disable SIP (which is understandable, given https://developer.apple.com/library/content/documentation/Security/Conceptual/System_Integrity_Protection_Guide/RuntimeProtections/RuntimeProtections.html ), but plain code signing no longer seems to cut it. >> >> No, I haven't tried yet. Did you investigate if lldb has updated its build instructions ? > > I finally got time to look into this. lldb's codesigning instructions > are at > https://llvm.org/svn/llvm-project/lldb/trunk/docs/code-signing.txt . > They have not been updated recently, but they do differ from gdb's. > However, the result is exactly the same: SIG113. > > I've also asked on the darwin-dev@apple list, but did not get any > replies there. > > ... > > I've now tried building lldb, and regardless of whether I use the GDB or > LLDB-style codesigning certificate to sign debugserver (lldb itself does > not need codesigning), it works. So it seems like the problem is not > necessarily related to codesigning per se. > > > Jonas