PR10461: Match C++ scopes for namespaces and classes

The function spec for dwarf probes now supports scopes, so you can limit
the probes to specific namespaces or classes.  Multiple scopes can be
specified, and they will be matched progressively outward.

    probe process("foo").function("std::vector<*>::*") { ... }
    probe process("foo").function("::global_function") { ... }

* dwflpp.cxx (dwflpp::get_parent_scope): New, finds the containing
  scopes of the specified DIE.
  (dwflpp::function_scope_matches): New, checks that the scopes
  containing the function all match the given scope patterns.
* tapsets.cxx (dwarf_query::parse_function_spec): Rewrite, now handles
  multiple scope separators too.
  (query_dwarf_func): Check that the functions scopes match.

0 files changed, 0 insertions, 0 deletions