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diff --git a/kitten/include/arch-x86_64/dwarf2.h b/kitten/include/arch-x86_64/dwarf2.h
new file mode 100644
index 0000000..0744db7
--- /dev/null
+++ b/kitten/include/arch-x86_64/dwarf2.h
@@ -0,0 +1,51 @@
+#ifndef _DWARF2_H
+#define _DWARF2_H 1
+
+
+#ifndef __ASSEMBLY__
+#warning "asm/dwarf2.h should be only included in pure assembly files"
+#endif
+
+/* 
+   Macros for dwarf2 CFI unwind table entries.
+   See "as.info" for details on these pseudo ops. Unfortunately 
+   they are only supported in very new binutils, so define them 
+   away for older version. 
+ */
+
+#ifdef CONFIG_UNWIND_INFO
+
+#define CFI_STARTPROC .cfi_startproc
+#define CFI_ENDPROC .cfi_endproc
+#define CFI_DEF_CFA .cfi_def_cfa
+#define CFI_DEF_CFA_REGISTER .cfi_def_cfa_register
+#define CFI_DEF_CFA_OFFSET .cfi_def_cfa_offset
+#define CFI_ADJUST_CFA_OFFSET .cfi_adjust_cfa_offset
+#define CFI_OFFSET .cfi_offset
+#define CFI_REL_OFFSET .cfi_rel_offset
+#define CFI_REGISTER .cfi_register
+#define CFI_RESTORE .cfi_restore
+#define CFI_REMEMBER_STATE .cfi_remember_state
+#define CFI_RESTORE_STATE .cfi_restore_state
+#define CFI_UNDEFINED .cfi_undefined
+
+#else
+
+/* use assembler line comment character # to ignore the arguments. */
+#define CFI_STARTPROC	#
+#define CFI_ENDPROC	#
+#define CFI_DEF_CFA	#
+#define CFI_DEF_CFA_REGISTER	#
+#define CFI_DEF_CFA_OFFSET	#
+#define CFI_ADJUST_CFA_OFFSET	#
+#define CFI_OFFSET	#
+#define CFI_REL_OFFSET	#
+#define CFI_REGISTER	#
+#define CFI_RESTORE	#
+#define CFI_REMEMBER_STATE	#
+#define CFI_RESTORE_STATE	#
+#define CFI_UNDEFINED	#
+
+#endif
+
+#endif