GP-0 fix windows debugger testing issues

GP-0: mo'betta windoze gdb/lldb

GP-0: error in args, switch to expPrint

GP-0: gdb w/o bash (almost)

GP-0: test

GP-0: gdb commands (mostly) working

GP-0: tear down failures

GP-0: working on methods

GP-0: gdb (linux) tests running (except testDelreg)

GP-0: gdb (windows) mostly working

GP-0: tmp

GP-0: dbgeng tests clean

GP-0: gdb tests working

GP-0: ansi

GP-0: CSI G

GP-0: line endings again

GP-0: which

GP-0: dbgeng race

GP-0: assertion timeout skip finally

GP-0: windowsisms

GP-0: wtak

GP-0: review pass 1

GP-0: os -> cspec

GP-0: better lldb methods

GP-0: step out timing

GP-0: x64dbg tweaks

GP-0: TO BE REVERTED / FOR TESTING

GP-0: half a solution

GP-0: one more pass...

GP-0: one mmmore pass...

Ghidra/Debug/Debugger-agent-gdb/data/support/gdbsetuputils.ps1

@@ -26,7 +26,9 @@ function Add-Gdb-Init-Args {
 	$ArgList.Value+=("-ex", "`"python if not 'ghidragdb' in locals(): exit(253)`"")
 	$ArgList.Value+=("-ex", "`"set architecture $Env:OPT_ARCH`"")
 	$ArgList.Value+=("-ex", "`"set endian $Env:OPT_ENDIAN`"")
-	$ArgList.Value+=($Env:OPT_GDB_ARGS)
+	if ("$Env:OPT_GDB_ARGS" -ne "") {
+		$ArgList.Value+=($Env:OPT_GDB_ARGS)
+	}
 }
 
 function Add-Gdb-Image-And-Args {

Ghidra/Debug/Debugger-agent-gdb/src/main/py/src/ghidragdb/commands.py

@@ -17,6 +17,7 @@ from concurrent.futures import Future
 from contextlib import contextmanager
 import inspect
 import os.path
+import re
 import socket
 import time
 from typing import (Any, Callable, Dict, Generator, List, Optional, Sequence,
@@ -282,7 +283,7 @@ def compute_name() -> str:
     if progname is None:
         return 'gdb/noname'
     else:
-        return 'gdb/' + progname.split('/')[-1]
+        return 'gdb/' + re.split(r'(/|\\)', progname)[-1]
 
 
 def start_trace(name: str) -> None: