plain text document attachment (lguest64-asm-offset.patch)
This patch puts in the offsets used by Lguest64 in assembly.
Signed-off-by: Steven Rostedt <srostedt@xxxxxxxxxx>
Signed-off-by: Glauber de Oliveira Costa <glommer@xxxxxxxxx>
Cc: Chris Wright <chrisw@xxxxxxxxxxxx>
Index: work-pv/arch/x86_64/kernel/asm-offsets.c
===================================================================
--- work-pv.orig/arch/x86_64/kernel/asm-offsets.c
+++ work-pv/arch/x86_64/kernel/asm-offsets.c
@@ -18,6 +18,9 @@
#ifdef CONFIG_PARAVIRT
#include <asm/paravirt.h>
#endif
+#ifdef CONFIG_LGUEST_GUEST
+#include <asm/lguest.h>
+#endif
#define DEFINE(sym, val) \
asm volatile("\n->" #sym " %0 " #val : : "i" (val))
@@ -89,5 +92,51 @@ int main(void)
ENTRY(read_cr2);
ENTRY(swapgs);
#endif
+
+#ifdef CONFIG_LGUEST_GUEST
+#undef ENTRY
+#define ENTRY(entry) DEFINE(LGUEST_VCPU_ ##entry, offsetof(struct lguest_vcpu, entry))
+ ENTRY(vcpu);
+ ENTRY(debug);
+ ENTRY(magic);
+ ENTRY(guest_syscall);
+ ENTRY(host_stack);
+ ENTRY(host_cr3);
+ ENTRY(host_gs_a);
+ ENTRY(host_gs_d);
+ ENTRY(host_proc_gs_a);
+ ENTRY(host_proc_gs_d);
+ ENTRY(guest_gs_a);
+ ENTRY(guest_gs_d);
+ ENTRY(gdt);
+ ENTRY(idt);
+ ENTRY(host_gdt);
+ ENTRY(host_idt);
+ ENTRY(host_gdt_ptr);
+ ENTRY(gdt_table);
+ DEFINE(LGUEST_VCPU_trapnum, offsetof(struct lguest_vcpu, regs.trapnum));
+ DEFINE(LGUEST_VCPU_errcode, offsetof(struct lguest_vcpu, regs.errcode));
+ DEFINE(LGUEST_VCPU_rflags, offsetof(struct lguest_vcpu, regs.rflags));
+ DEFINE(LGUEST_VCPU_host_idt_address, offsetof(struct lguest_vcpu, host_idt.address));
+ ENTRY(regs);
+ ENTRY(nmi_regs);
+ DEFINE(LGUEST_VCPU_errcode, offsetof(struct lguest_vcpu, regs.errcode));
+ ENTRY(nmi_gs_a);
+ ENTRY(nmi_gs_d);
+ ENTRY(nmi_gs_shadow_a);
+ ENTRY(nmi_gs_shadow_d);
+ ENTRY(nmi_stack_end);
+ ENTRY(nmi_gdt);
+ ENTRY(nmi_sw);
+#undef ENTRY
+#define ENTRY(entry) DEFINE(LGUEST_DATA_##entry, offsetof(struct lguest_data, entry))
+ ENTRY(irq_enabled);
+#undef ENTRY
+#define ENTRY(entry) DEFINE(LGUEST_REGS_##entry, offsetof(struct lguest_regs, entry))
+ ENTRY(errcode);
+ ENTRY(rip);
+ ENTRY(size);
+ BLANK();
+#endif
return 0;
}
--
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