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-rw-r--r--arch/um/include/sysdep-x86_64/kernel-offsets.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/um/include/sysdep-x86_64/kernel-offsets.h b/arch/um/include/sysdep-x86_64/kernel-offsets.h
new file mode 100644
index 00000000000..5ce93abd0b5
--- /dev/null
+++ b/arch/um/include/sysdep-x86_64/kernel-offsets.h
@@ -0,0 +1,25 @@
+#include <linux/config.h>
+#include <linux/stddef.h>
+#include <linux/sched.h>
+#include <linux/time.h>
+#include <linux/elf.h>
+#include <asm/page.h>
+
+#define DEFINE(sym, val) \
+ asm volatile("\n->" #sym " %0 " #val : : "i" (val))
+
+#define DEFINE_STR1(x) #x
+#define DEFINE_STR(sym, val) asm volatile("\n->" #sym " " DEFINE_STR1(val) " " #val: : )
+
+#define BLANK() asm volatile("\n->" : : )
+
+#define OFFSET(sym, str, mem) \
+ DEFINE(sym, offsetof(struct str, mem));
+
+void foo(void)
+{
+#ifdef CONFIG_MODE_TT
+ OFFSET(HOST_TASK_EXTERN_PID, task_struct, thread.mode.tt.extern_pid);
+#endif
+#include <common-offsets.h>
+}