[PATCH][PR build/24805] Explicitly export symbols from gdb_proc_service

Norbert Lange
2020-01-04T20:20:40Z

Compiling GDB with '-fvisibility=hidden' will remove the
symbols that should be exported.
This patch explicitly marks them as visible.

gdb/ChangeLog

2020-01-04 Norbert Lange <nolange79@gmail.com>

PR build/24805
* gdbsupport/gdb_proc_service.h: push/pop visibility
attribute for exported functions.