;;; FIXME: These could be converted to DEFVARs.
(declaim (special *gc-inhibit* *need-to-collect-garbage*
- *gc-notify-stream*
*before-gc-hooks* *after-gc-hooks*
#!+x86 *pseudo-atomic-atomic*
#!+x86 *pseudo-atomic-interrupted*
(error-error "Help! "
*current-error-depth*
" nested errors. "
- "KERNEL:*MAXIMUM-ERROR-DEPTH* exceeded.")
+ "SB-KERNEL:*MAXIMUM-ERROR-DEPTH* exceeded.")
t)
(t
(/show0 "returning normally from INFINITE-ERROR-PROTECTOR")
(error-error "Help! "
*current-error-depth*
" nested errors. "
- "KERNEL:*MAXIMUM-ERROR-DEPTH* exceeded.")
+ "SB-KERNEL:*MAXIMUM-ERROR-DEPTH* exceeded.")
(progn ,@forms)
t)
(t
(let* ((csp (sap-int (sb!c::control-stack-pointer-sap)))
(initial-offset (logand csp (1- bytes-per-scrub-unit)))
(end-of-stack
- (- sb!vm::*control-stack-end* sb!c:*backend-page-size*)))
+ (- (sb!vm:fixnumize sb!vm:*control-stack-end*)
+ sb!c:*backend-page-size*)))
(labels
((scrub (ptr offset count)
(declare (type system-area-pointer ptr)
#!+stack-grows-downward-not-upward
(let* ((csp (sap-int (sb!c::control-stack-pointer-sap)))
- (end-of-stack (+ sb!vm::*control-stack-start* sb!c:*backend-page-size*))
+ (end-of-stack (+ (sb!vm:fixnumize sb!vm:*control-stack-start*)
+ sb!c:*backend-page-size*))
(initial-offset (logand csp (1- bytes-per-scrub-unit))))
(labels
((scrub (ptr offset count)
(push (pop-option) reversed-evals))
((string= option "--load")
(pop-option)
- (push (concatenate 'string "(LOAD \"" (pop-option) "\")")
- reversed-evals))
+ (push
+ ;; FIXME: see BUG 296
+ (concatenate 'string "(|LOAD| \"" (pop-option) "\")")
+ reversed-evals))
((string= option "--noprint")
(pop-option)
(setf noprint t))
((string= option "--noprogrammer")
(warn "treating deprecated --noprogrammer as --disable-debugger")
(pop-option)
- (push "(DISABLE-DEBUGGER)" reversed-evals))
+ (push "(|DISABLE-DEBUGGER|)" reversed-evals))
((string= option "--disable-debugger")
(pop-option)
- (push "(DISABLE-DEBUGGER)" reversed-evals))
+ (push "(|DISABLE-DEBUGGER|)" reversed-evals))
((string= option "--end-toplevel-options")
(pop-option)
(return))
;; (classic CMU CL error message: "You're certainly a clever child.":-)
(critically-unreachable "after TOPLEVEL-REPL"))))
-;;; halt-on-failures and prompt-on-failures modes, suitable for
-;;; noninteractive and interactive use respectively
-(defun disable-debugger ()
- (setf *debugger-hook* 'noprogrammer-debugger-hook-fun
- *debug-io* *error-output*))
-(defun enable-debugger ()
- (setf *debugger-hook* nil
- *debug-io* *query-io*))
-
;;; read-eval-print loop for the default system toplevel
(defun toplevel-repl (noprint)
(/show0 "entering TOPLEVEL-REPL")
(abort
"~@<Reduce debugger level (leaving debugger, returning to toplevel).~@:>")
(catch 'toplevel-catcher
- #!-sunos (sb!unix:unix-sigsetmask 0) ; FIXME: What is this for?
+ (sb!unix::warn-when-signals-masked)
;; in the event of a control-stack-exhausted-error, we should
;; have unwound enough stack by the time we get here that this
;; is now possible
(loop
;; (See comment preceding the definition of SCRUB-CONTROL-STACK.)
(scrub-control-stack)
+ (sb!thread::get-foreground)
(unless noprint
(funcall *repl-prompt-fun* *standard-output*)
;; (Should *REPL-PROMPT-FUN* be responsible for doing its own
(dolist (result results)
(fresh-line)
(prin1 result))))))
-
-;;; suitable value for *DEBUGGER-HOOK* for a noninteractive Unix-y program
-(defun noprogrammer-debugger-hook-fun (condition old-debugger-hook)
- (declare (ignore old-debugger-hook))
- (flet ((failure-quit (&key recklessly-p)
- (/show0 "in FAILURE-QUIT (in --disable-debugger debugger hook)")
- (quit :unix-status 1 :recklessly-p recklessly-p)))
- ;; This HANDLER-CASE is here mostly to stop output immediately
- ;; (and fall through to QUIT) when there's an I/O error. Thus,
- ;; when we're run under a shell script or something, we can die
- ;; cleanly when the script dies (and our pipes are cut), instead
- ;; of falling into ldb or something messy like that.
- (handler-case
- (progn
- (format *error-output*
- "~&~@<unhandled condition (of type ~S): ~2I~_~A~:>~2%"
- (type-of condition)
- condition)
- ;; Flush *ERROR-OUTPUT* even before the BACKTRACE, so that
- ;; even if we hit an error within BACKTRACE (e.g. a bug in
- ;; the debugger's own frame-walking code, or a bug in a user
- ;; PRINT-OBJECT method) we'll at least have the CONDITION
- ;; printed out before we die.
- (finish-output *error-output*)
- ;; (Where to truncate the BACKTRACE is of course arbitrary, but
- ;; it seems as though we should at least truncate it somewhere.)
- (sb!debug:backtrace 128 *error-output*)
- (format
- *error-output*
- "~%unhandled condition in --disable-debugger mode, quitting~%")
- (finish-output *error-output*)
- (failure-quit))
- (condition ()
- ;; We IGNORE-ERRORS here because even %PRIMITIVE PRINT can
- ;; fail when our output streams are blown away, as e.g. when
- ;; we're running under a Unix shell script and it dies somehow
- ;; (e.g. because of a SIGINT). In that case, we might as well
- ;; just give it up for a bad job, and stop trying to notify
- ;; the user of anything.
- ;;
- ;; Actually, the only way I've run across to exercise the
- ;; problem is to have more than one layer of shell script.
- ;; I have a shell script which does
- ;; time nice -10 sh make.sh "$1" 2>&1 | tee make.tmp
- ;; and the problem occurs when I interrupt this with Ctrl-C
- ;; under Linux 2.2.14-5.0 and GNU bash, version 1.14.7(1).
- ;; I haven't figured out whether it's bash, time, tee, Linux, or
- ;; what that is responsible, but that it's possible at all
- ;; means that we should IGNORE-ERRORS here. -- WHN 2001-04-24
- (ignore-errors
- (%primitive print
- "Argh! error within --disable-debugger error handling"))
- (failure-quit :recklessly-p t)))))
\f
;;; a convenient way to get into the assembly-level debugger
(defun %halt ()
projects / sbcl.git / blobdiff