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-rw-r--r--gdb/doc/ChangeLog5
-rw-r--r--gdb/doc/gdb.texinfo13
2 files changed, 18 insertions, 0 deletions
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 403675e..2001e0c 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,8 @@
+2011-10-27 Kevin Pouget <kevin.pouget@st.com>
+
+ * gdb.texinfo ((Frames In Python): Document
+ gdb.FRAME_UNWIND_FIRST_ERROR contant.
+
2011-10-26 Paul Koning <paul_koning@dell.com>
* gdb.texinfo (gdb.types): Document new deepitems function.
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index b451a6a..3e78832 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -23473,6 +23473,19 @@ stack corruption.
@item gdb.FRAME_UNWIND_NO_SAVED_PC
The frame unwinder did not find any saved PC, but we needed
one to unwind further.
+
+@item gdb.FRAME_UNWIND_FIRST_ERROR
+Any stop reason greater or equal to this value indicates some kind
+of error. This special value facilitates writing code that tests
+for errors in unwinding in a way that will work correctly even if
+the list of the other values is modified in future @value{GDBN}
+versions. Using it, you could write:
+@smallexample
+reason = gdb.selected_frame().unwind_stop_reason ()
+reason_str = gdb.frame_stop_reason_string (reason)
+if reason >= gdb.FRAME_UNWIND_FIRST_ERROR:
+ print "An error occured: %s" % reason_str
+@end smallexample
@end table
@end defun