On Tue, 13 Jan 2004, Vladimir Fedorov wrote: > You would have to track the 'this' > pointer from which the pointer to the field is generated and use it > instead of the field address. For stfld, ldfld instructions it should be > quite manageable since they take a 'this' pointer. For stind and stsfld > it will be more difficult.
Where/which function should i look into for 'this' ptr? compileCEE_STFLD(opcode)? since i am not familiar with /fjit code can you please give me some starting point so that i can try to figure out the rest. Thank you so much archana > > Vladimir > > This posting is provided "AS IS" with no warranties, and confers no > rights. > > > > -----Original Message----- > From: Discussion of the Rotor Shared Source CLI implementation > [mailto:[EMAIL PROTECTED] On Behalf Of Archana > Sent: Monday, January 12, 2004 10:57 PM > To: [EMAIL PROTECTED] > Subject: Re: [DOTNET-ROTOR] the write barrier > > On Mon, 12 Jan 2004, Vladimir Fedorov wrote: > > > I assume by dirty, you mean flip the bit in the card table > corresponding > > to the memory location in which a potential cross-generational pointer > > is being stored. > Correct. > > > Also when you refer to base I assume you mean the start > > of the object containing the memory location. > Yes. thats exactly what i was referring to > > > In this case you don't > > need to do anything, GC will scan the whole object to update the > > potential cross generational pointers even if the objects spans > multiple > > cards some of which are not flipped. The brick table is used to found > > the start of the first object outside the card that has been flipped. > The reason i am trying to fit in my own GC that requires the > writebarrier(objbase, value) due to the algorithm functionality. and > finding the object base at runtime would be too costly. Is there any > way to do this in compile time? > > > > > Regards, > > Archana > > > > =================================== > This list is hosted by DevelopMentor(r) http://www.develop.com > NEW! ASP.NET courses you may be interested in: > > 2 Days of ASP.NET, 29 Sept 2003, in Redmond > http://www.develop.com/courses/2daspdotnet > > Guerrilla ASP.NET, 13 Oct 2003, in Boston > http://www.develop.com/courses/gaspdotnet > > View archives and manage your subscription(s) at > http://discuss.develop.com > > =================================== > This list is hosted by DevelopMentorŪ http://www.develop.com > NEW! ASP.NET courses you may be interested in: > > 2 Days of ASP.NET, 29 Sept 2003, in Redmond > http://www.develop.com/courses/2daspdotnet > > Guerrilla ASP.NET, 13 Oct 2003, in Boston > http://www.develop.com/courses/gaspdotnet > > View archives and manage your subscription(s) at http://discuss.develop.com > -- Regards, Archana =================================== This list is hosted by DevelopMentorŪ http://www.develop.com NEW! ASP.NET courses you may be interested in: 2 Days of ASP.NET, 29 Sept 2003, in Redmond http://www.develop.com/courses/2daspdotnet Guerrilla ASP.NET, 13 Oct 2003, in Boston http://www.develop.com/courses/gaspdotnet View archives and manage your subscription(s) at http://discuss.develop.com
