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    Subject[PATCH 3/8] lguest: the asm offsets
    From
    Date
    This is the structure offsets required by lg.ko's switcher.S.

    Unfortunately we don't have infrastructure for private asm-offsets
    creation.

    Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
    ---
    arch/i386/kernel/asm-offsets.c | 19 +++++++++++++++++++
    1 file changed, 19 insertions(+)

    ===================================================================
    --- a/arch/i386/kernel/asm-offsets.c
    +++ b/arch/i386/kernel/asm-offsets.c
    @@ -16,6 +16,10 @@
    #include <asm/thread_info.h>
    #include <asm/elf.h>
    #include <asm/pda.h>
    +#ifdef CONFIG_LGUEST_GUEST
    +#include <linux/lguest.h>
    +#include "../../../drivers/lguest/lg.h"
    +#endif

    #define DEFINE(sym, val) \
    asm volatile("\n->" #sym " %0 " #val : : "i" (val))
    @@ -114,4 +118,19 @@ void foo(void)
    OFFSET(PARAVIRT_iret, paravirt_ops, iret);
    OFFSET(PARAVIRT_read_cr0, paravirt_ops, read_cr0);
    #endif
    +
    +#ifdef CONFIG_LGUEST_GUEST
    + BLANK();
    + OFFSET(LGUEST_DATA_irq_enabled, lguest_data, irq_enabled);
    + OFFSET(LGUEST_PAGES_host_gdt_desc, lguest_pages, state.host_gdt_desc);
    + OFFSET(LGUEST_PAGES_host_idt_desc, lguest_pages, state.host_idt_desc);
    + OFFSET(LGUEST_PAGES_host_cr3, lguest_pages, state.host_cr3);
    + OFFSET(LGUEST_PAGES_host_sp, lguest_pages, state.host_sp);
    + OFFSET(LGUEST_PAGES_guest_gdt_desc, lguest_pages,state.guest_gdt_desc);
    + OFFSET(LGUEST_PAGES_guest_idt_desc, lguest_pages,state.guest_idt_desc);
    + OFFSET(LGUEST_PAGES_guest_gdt, lguest_pages, state.guest_gdt);
    + OFFSET(LGUEST_PAGES_regs_trapnum, lguest_pages, regs.trapnum);
    + OFFSET(LGUEST_PAGES_regs_errcode, lguest_pages, regs.errcode);
    + OFFSET(LGUEST_PAGES_regs, lguest_pages, regs);
    +#endif
    }

    -
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