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xen-devel
Re: [Xen-devel] about __XEN_VIRT_START and 0x100000
On Fri, 2011-08-19 at 08:27 +0100, Lin-Bao Zhang wrote:
> my question is that , what is xen-syms-2.6.18-268.el5(readelf result
> is virtual address) used for ? it seems that useless. grub.conf
> seems don't need it.
The -syms file is purely for debuggers (e.g. to run tools like gdb on)
because it contains full debug symbols etc it is never loaded by the
boot loader or anything like that.
The actual hypervisor binary (which is stripped, i.e. has no symbols) is
encapsulated in a 32 bit ELF file for compatibility with the multiboot
standard, which does not handle 64 bit ELF files. See
xen/arch/x86/boot/mkelf32.c and the Makefile runs which use it.
Ian.
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