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-rw-r--r--arch/s390/include/asm/dis.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/s390/include/asm/dis.h b/arch/s390/include/asm/dis.h
new file mode 100644
index 000000000..c18ed6091
--- /dev/null
+++ b/arch/s390/include/asm/dis.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Disassemble s390 instructions.
+ *
+ * Copyright IBM Corp. 2007
+ * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
+ */
+
+#ifndef __ASM_S390_DIS_H__
+#define __ASM_S390_DIS_H__
+
+#include <asm/dis-defs.h>
+
+static inline int insn_length(unsigned char code)
+{
+ return ((((int) code + 64) >> 7) + 1) << 1;
+}
+
+struct pt_regs;
+
+void show_code(struct pt_regs *regs);
+void print_fn_code(unsigned char *code, unsigned long len);
+struct s390_insn *find_insn(unsigned char *code);
+
+static inline int is_known_insn(unsigned char *code)
+{
+ return !!find_insn(code);
+}
+
+#endif /* __ASM_S390_DIS_H__ */