GDBserver

### - e -

- emit_error : ax.c , ax.h
- environ : fork-inferior.c
- error_tracepoint : tracepoint.c
- eval_result_names : tracepoint.c
- exception_messages : common-exceptions.c
- exception_messages_size : common-exceptions.c
- exception_none : common-exceptions.c , common-exceptions.h
- exit_code : server.c
- exit_requested : server.c
- expr_eval_result : tracepoint.c
- extended_protocol : server.c