On Saturday, September 14 2019, Stefan Kangas wrote: > Sergio Durigan Junior writes: > >> On Friday, January 20 2017, Glenn Morris wrote: >> >>>> 1. configure remote system by running "gdbserver --multi localhost:" >>>> >>>> 2. on host system, run emacs, then "M-x gdb -i=mi" >>>> >>>> 3. at the gdb prompt: >>>> >>>> file >>>> target extended-remote : >>>> set remote exec-file >>>> start >>>> >>>> 4.on the remote side, note the message: >>>> >>>> "Cannot exec : No such file or directory." >>>> >>>> specifically, note the space between "" and ":", which >>>> should not be there. this is the extraneous space. >>> >>> >>> Confirmed on rhel 7. >>> >>> This seems to be due to the " " in: >>> >>> (concat gdb-continuation string " ") >>> >>> in gdb-send, which was added in bug#14847. I've cc'd the author of that change. >> >> Heh, I helped the reporter diagnose this issue, and as it turns out I >> was the culprit! >> >> Thanks for the report, I'll take a look at this later today. > > Hi Sergio, > > I see that the latest update here was in January 2017. Did you ever get > a chance to look into this issue? Wow, what a strange concept of "later today"! Sorry about that. Yeah, I had the chance to look into it, and even though I don't remember the details now, I have a patch here that seems to work for me. I'm attaching it to this message; can you check if it fixes the problem for you, please? It seems strange that the extra whitespace was added by mistake there. I'm a bit afraid that there is a case which I haven't envisioned and which requires that whitespace, but I couldn't come up with a testing scenario that triggers the error. I tested this by debugging a binary with and without arguments (i.e., "/bin/true" and "/bin/true --help"), and both worked fine. Thanks, -- Sergio GPG key ID: 237A 54B1 0287 28BF 00EF 31F4 D0EB 7628 65FC 5E36 Please send encrypted e-mail if possible http://sergiodj.net/ From cad0deb10f2dbdc7b3dd7d3c6f4347da9cb1f557 Mon Sep 17 00:00:00 2001 From: Sergio Durigan Junior Date: Sun, 15 Sep 2019 14:50:17 -0400 Subject: [PATCH] [gdb-mi.el] Don't add trailing whitespace when passing argument to GDB This fixes bug #25488. * lisp/progmodes/gdb-mi.el (gdb-send): Don't append whitespace to 'gdb-continuation'. --- lisp/progmodes/gdb-mi.el | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lisp/progmodes/gdb-mi.el b/lisp/progmodes/gdb-mi.el index 48c7dde9f51..cf54207337d 100644 --- a/lisp/progmodes/gdb-mi.el +++ b/lisp/progmodes/gdb-mi.el @@ -1827,7 +1827,7 @@ gdb-send " ")) (setq gdb-first-done-or-error t) (let ((to-send (concat "-interpreter-exec console " - (gdb-mi-quote (concat gdb-continuation string " ")) + (gdb-mi-quote (concat gdb-continuation string)) "\n"))) (if gdb-enable-debug (push (cons 'mi-send to-send) gdb-debug-log)) -- 2.20.1