gdb/gdb-rhbz1350436-type-printers-error.patch

82 lines
2.4 KiB
Diff
Raw Normal View History

From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
From: Fedora GDB patches <invalid@email.com>
Date: Fri, 27 Oct 2017 21:07:50 +0200
Subject: gdb-rhbz1350436-type-printers-error.patch
;; Test 'info type-printers' Python error (RH BZ 1350436).
;;=fedoratest
Typo in Python support breaks info type-printers command
https://bugzilla.redhat.com/show_bug.cgi?id=1350436
[testsuite patch] PR python/17136: 'info type-printers' causes an exception when there are per-objfile printers
https://sourceware.org/ml/gdb-patches/2016-06/msg00455.html
diff --git a/gdb/testsuite/gdb.python/py-typeprint.cc b/gdb/testsuite/gdb.python/py-typeprint.cc
--- a/gdb/testsuite/gdb.python/py-typeprint.cc
+++ b/gdb/testsuite/gdb.python/py-typeprint.cc
@@ -31,6 +31,12 @@ templ<basic_string> s;
basic_string bs;
+class Other
+{
+};
+
+Other ovar;
+
int main()
{
return 0;
diff --git a/gdb/testsuite/gdb.python/py-typeprint.exp b/gdb/testsuite/gdb.python/py-typeprint.exp
--- a/gdb/testsuite/gdb.python/py-typeprint.exp
+++ b/gdb/testsuite/gdb.python/py-typeprint.exp
@@ -50,3 +50,7 @@ gdb_test_no_output "enable type-printer string"
gdb_test "whatis bs" "string" "whatis with enabled printer"
gdb_test "whatis s" "templ<string>"
+
+gdb_test "info type-printers" "Type printers for \[^\r\n\]*/py-typeprint:\r\n *other\r\n.*" \
+ "info type-printers for other"
+gdb_test "whatis ovar" "type = Another"
diff --git a/gdb/testsuite/gdb.python/py-typeprint.py b/gdb/testsuite/gdb.python/py-typeprint.py
--- a/gdb/testsuite/gdb.python/py-typeprint.py
+++ b/gdb/testsuite/gdb.python/py-typeprint.py
@@ -15,7 +15,7 @@
import gdb
-class Recognizer(object):
+class StringRecognizer(object):
def __init__(self):
self.enabled = True
@@ -30,6 +30,26 @@ class StringTypePrinter(object):
self.enabled = True
def instantiate(self):
- return Recognizer()
+ return StringRecognizer()
gdb.type_printers.append(StringTypePrinter())
+
+class OtherRecognizer(object):
+ def __init__(self):
+ self.enabled = True
+
+ def recognize(self, type_obj):
+ if type_obj.tag == 'Other':
+ return 'Another'
+ return None
+
+class OtherTypePrinter(object):
+ def __init__(self):
+ self.name = 'other'
+ self.enabled = True
+
+ def instantiate(self):
+ return OtherRecognizer()
+
+import gdb.types
+gdb.types.register_type_printer(gdb.objfiles()[0], OtherTypePrinter())