hi,Siders, Keith£¬ Hehe,I can think of some usage of 'hot-patched': virus or security daemon,binary code enhancement or some kind of transform,auto parallelize...:) But all this could be done through /dev/mem,in theory. ÔÚ 2001-09-18 09:59:00 you wrote£º >I have just the opposite requirement. I need to allow any running process >and its threads to be "hot-patched" with executable code. I know you're >thinking "why?". I can't tell you that. I can only say it's a firm >requirement, and I could use some helpful ideas. > >Keith > >-> -----Original Message----- >-> From: Zhang Fuxin [mailto:fxzhang@ict.ac.cn] >-> Sent: Tuesday, September 18, 2001 9:53 AM >-> To: han han >-> Cc: linux-mips@oss.sgi.com >-> Subject: Re: How to access kernel memory? >-> >-> >-> hi,han han£¬ >-> There are several ways.For example: >-> 1.You can create a character device , implement its mmap function >-> to map the memory block you allcated.This can be done in a little >-> kernel module.There are some sample code before. >-> 2.via /dev/mem,/dev/kmem etc >-> >-> >-> >-> >-> ÔÚ 2001-09-18 07:35:00 you wrote£º >-> >Hi, All, >-> > >-> >I allocated a block of memory in the kernel space. But >-> >I don't know how to directly access kernel space from >-> >user space. Anyone can help me? >-> > >-> >Thanks in advance. >-> > >-> >piggie >-> > >-> > >-> >__________________________________________________ >-> >Terrorist Attacks on U.S. - How can you help? >-> >Donate cash, emergency relief information >-> >http://dailynews.yahoo.com/fc/US/Emergency_Information/ >-> >-> Regards >-> Zhang Fuxin >-> fxzhang@ict.ac.cn >-> Regards Zhang Fuxin fxzhang@ict.ac.cn
