Messages in this thread | | | From | (Eric W. Biederman) | Subject | Re: [RFC] ELF Relocatable x86 and x86_64 bzImages | Date | Tue, 01 Aug 2006 20:02:05 -0600 |
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"H. Peter Anvin" <hpa@zytor.com> writes:
> Vivek Goyal wrote: >> Hi Eric, >> Can't we use the x86_64 relocation approach for i386 as well? I mean keep >> the virtual address space fixed and updating the page tables. This would >> help in the sense that you don't have to change gdb if somebody decides to >> debug the relocated kernel. >> Any such tool that retrieves the symbol virtual address from vmlinux will >> be confused. >> > > I don't think this is practical given the virtual space constraints on i386 > systems.
Exactly.
Plus it is a lot of dangerous work. Processing is a lot more conservative.
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