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Changed by [EMAIL PROTECTED] http://bugzilla.ximian.com/show_bug.cgi?id=80190 --- shadow/80190 2006-12-08 23:23:40.000000000 -0500 +++ shadow/80190.tmp.28962 2006-12-08 23:23:40.000000000 -0500 @@ -0,0 +1,74 @@ +Bug#: 80190 +Product: Mono: Runtime +Version: 1.2 +OS: All +OS Details: maybe all OS of x64 edition +Status: NEW +Resolution: +Severity: +Priority: Normal +Component: JIT +AssignedTo: [EMAIL PROTECTED] +ReportedBy: [EMAIL PROTECTED] +QAContact: [EMAIL PROTECTED] +TargetMilestone: --- +URL: +Cc: +Summary: Problem concerning 64bit pointer + +Description of Problem: +It's aborted when a certain code concerning the pointer is compiled by VC# + and it executed by mono in linux (x64 edition). + + +Steps to reproduce the problem: +1. Compile the following codes by csc (VisualC# 2005). + +// csc.exe /unsafe Test.cs +public class Test { + public static void Main() { + unsafe { + int n; + int* p = &n; + *p = 3; + } + } +} + +2. Execute Test.exe by mono on the Linux of x64 edition. + +Actual Results: +Thrown NullReferenceException. + +Expected Results: +Anything doesn't happen. + +How often does this happen? +Every time. + +Additional Information: +The highest 32 bits were 0 +when calling ' Console.WriteLine("{0:x16}", (long)p); ' before ' *p = 3; .' + +IL was as follows. + + .method public hidebysig static void Main() cil managed + { + .entrypoint + .maxstack 2 + .locals init (int32 V_0, + int32* V_1) + IL_0000: nop + IL_0001: nop + IL_0002: ldloca.s V_0 + IL_0004: conv.u + IL_0005: stloc.1 + IL_0006: ldloc.1 + IL_0007: ldc.i4.3 + IL_0008: stind.i4 + IL_0009: nop + IL_000a: ret + } + +I think that the cause is conv.u of amd64. +Please correct it. _______________________________________________ mono-bugs maillist - [email protected] http://lists.ximian.com/mailman/listinfo/mono-bugs
