[Mono-bugs] [Bug 78518][Wis] New - FieldInfo.GetValue causes runtime exception

bugzilla-daemon at bugzilla.ximian.com bugzilla-daemon at bugzilla.ximian.com
Sat May 27 14:49:24 EDT 2006

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Changed by nazgul at omega.pl.


--- shadow/78518	2006-05-27 14:49:24.000000000 -0400
+++ shadow/78518.tmp.26196	2006-05-27 14:49:24.000000000 -0400
@@ -0,0 +1,80 @@
+Bug#: 78518
+Product: Mono: Runtime
+Version: 1.0
+OS Details: 
+Status: NEW   
+Priority: Wishlist
+Component: misc
+AssignedTo: mono-bugs at ximian.com                            
+ReportedBy: nazgul at omega.pl               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+Summary: FieldInfo.GetValue causes runtime exception 
+Please fill in this template when reporting a bug, unless you know what you
+are doing.
+Description of Problem:
+FieldInfo.GetValue causes runtime exception 
+Steps to reproduce the problem:
+1. extract Tao assemblies from http://nemerle.org/~nazgul/temp/tao.tar.gz
+2. Compile and run following program (mcs t.cs /r:Tao.OpenGl.dll)
+class M {
+static void Main () {
+System.Type x = typeof (Tao.OpenGl.Gl);
+System.Reflection.FieldInfo f = x.GetField ("GL_TEXTURE_2D");
+System.Console.WriteLine ("{0}", f);
+System.Console.WriteLine ("{0}", f.GetValue (null));
+3. Run it
+Actual Results:
+Got a SIGSEGV while executing native code. This usually indicates
+a fatal error in the mono runtime or one of the native libraries 
+used by your application.
+in (wrapper managed-to-native) System.Reflection.MonoField:GetValueInternal
+(object) <0x4>
+in (wrapper managed-to-native) System.Reflection.MonoField:GetValueInternal
+(object) <0xffffff63>
+in System.Reflection.MonoField:GetValue (object) <0x2b>
+in M:Main () <0x38>
+in (wrapper runtime-invoke) System.Object:runtime_invoke_void
+(object,intptr,intptr,intptr) <0xc7f02e07>
+Native stacktrace:
+        /home/users/nemweb/local/bin/mono(mono_handle_native_sigsegv+0xbe)
+        /home/users/nemweb/local/bin/mono [0x812b6fc]
+        [0xffffe440]
+        /home/users/nemweb/local/bin/mono [0x808f352]
+        [0xffffffff]
+Expected Results:
+System.Int32 GL_TEXTURE_2D
+How often does this happen? 
+With recent svn always, it seems like a regression from a few days ago
+Additional Information:
+it works with earlier versions of mono

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