This patch introduces a new method to the Scripted Process interface,
GetCapabilities.
This returns a dictionary that contains a list of flags that the
ScriptedProcess instance supports. This can be used for instance, to
force symbol lookup, when loading dynamic libraries in the scripted process.
Differential Revision: https://reviews.llvm.org/D142059
Signed-off-by: Med Ismail Bennani <medismail.bennani@gmail.com>