summaryrefslogtreecommitdiff
path: root/module/system/vm/backtrace.scm
diff options
context:
space:
mode:
Diffstat (limited to 'module/system/vm/backtrace.scm')
-rw-r--r--module/system/vm/backtrace.scm33
1 files changed, 33 insertions, 0 deletions
diff --git a/module/system/vm/backtrace.scm b/module/system/vm/backtrace.scm
new file mode 100644
index 000000000..a6c6111e1
--- /dev/null
+++ b/module/system/vm/backtrace.scm
@@ -0,0 +1,33 @@
+;;; Guile VM backtrace
+
+;; Copyright (C) 2001 Free Software Foundation, Inc.
+
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2, or (at your option)
+;; any later version.
+;;
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with this program; see the file COPYING. If not, write to
+;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Code:
+
+(define-module (system vm backtrace)
+ :use-syntax (system base syntax)
+ :use-module (system vm core)
+ :use-module (system vm frame)
+ :use-module (ice-9 format)
+ :export (vm-backtrace))
+
+(define (vm-backtrace vm)
+ (let ((stack (vm-last-frame-stack vm)))
+ (if (null? stack)
+ (display "No backtrace available\n")
+ (for-each print-frame (reverse! stack)))))