Dear,
M-x dbx
dbx -c "runargs -simu; run" path-to-the-debuggee
Above workflow doesn't work on Emacs 22.1.1
I found something in gud.el, look at this.
;; Perform initializations common to all debuggers.
;; The first arg is the specified command line,
;; which starts with the program to debug.
;; The other three args specify the values to use
;; for local variables in the debugger buffer.
(defun gud-common-init (command-line massage-args marker-filter
&optional find-file)
(let* ((words (split-string command-line))
(program (car words))
(dir default-directory)
;; Extract the file name from WORDS
;; and put t in its place.
;; Later on we will put the modified file name arg back there.
(file-word (let ((w (cdr words)))
(while (and w (= ?- (aref (car w) 0)))
(setq w (cdr w)))
.
.
.
From above, variable "command-line" is converted into list. But Just "Split-String" by default separator.
In the end, because the quote in my original dbx execution, output list by split-string was
("-c" "\"runargs" "-simu;" "run\"" "path-to-the-debuggee)
instead of
("-c" "runargs -simu; run" "path-to-the-debuggee")
which is actually correct for (start-process) to be called with
Thanks Emacs Team