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-rw-r--r--arch/s390/include/asm/linkage.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/s390/include/asm/linkage.h b/arch/s390/include/asm/linkage.h
new file mode 100644
index 000000000..a0a7a2c72
--- /dev/null
+++ b/arch/s390/include/asm/linkage.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_LINKAGE_H
+#define __ASM_LINKAGE_H
+
+#include <asm/asm-const.h>
+#include <linux/stringify.h>
+
+#define __ALIGN .align 4, 0x07
+#define __ALIGN_STR __stringify(__ALIGN)
+
+/*
+ * Helper macro for exception table entries
+ */
+
+#define __EX_TABLE(_section, _fault, _target) \
+ stringify_in_c(.section _section,"a";) \
+ stringify_in_c(.align 8;) \
+ stringify_in_c(.long (_fault) - .;) \
+ stringify_in_c(.long (_target) - .;) \
+ stringify_in_c(.quad 0;) \
+ stringify_in_c(.previous)
+
+#define EX_TABLE(_fault, _target) \
+ __EX_TABLE(__ex_table, _fault, _target)
+#define EX_TABLE_DMA(_fault, _target) \
+ __EX_TABLE(.dma.ex_table, _fault, _target)
+
+#endif