Add a new target setting, trap-handler-names, where a user can
specify a list of functions which should be treated as trap handlers.
This will be primarily useful to people working in non-user-level
process debugging - kernels and other standalone environments.
For most people, the trap handler functions provided by the Platform
plugin will be sufficient.

<rdar://problem/15835846>, <rdar://problem/15982682> 



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@201386 91177308-0d34-0410-b5e6-96231b3b80d8