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-rw-r--r--arch/s390/include/asm/dwarf.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/s390/include/asm/dwarf.h b/arch/s390/include/asm/dwarf.h
new file mode 100644
index 000000000000..dffdb81e534f
--- /dev/null
+++ b/arch/s390/include/asm/dwarf.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_S390_DWARF_H
+#define _ASM_S390_DWARF_H
+
+#ifdef __ASSEMBLY__
+
+#ifndef BUILD_VDSO
+ /*
+ * Emit CFI data in .debug_frame sections and not in .eh_frame
+ * sections. The .eh_frame CFI is used for runtime unwind
+ * information that is not being used. Hence, vmlinux.lds.S
+ * can discard the .eh_frame sections.
+ */
+ .cfi_sections .debug_frame
+#else
+ /*
+ * For vDSO, emit CFI data in both, .eh_frame and .debug_frame
+ * sections.
+ */
+ .cfi_sections .eh_frame, .debug_frame
+#endif
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_S390_DWARF_H */