1 files changed, 52 insertions, 0 deletions

diff --git a/arch/s390/include/asm/dis.h b/arch/s390/include/asm/dis.h
new file mode 100644
index 000000000000..04a83f5773cd
--- /dev/null
+++ b/arch/s390/include/asm/dis.h
@@ -0,0 +1,52 @@
+/*
+ * 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__
+
+/* Type of operand */
+#define OPERAND_GPR     0x1     /* Operand printed as %rx */
+#define OPERAND_FPR     0x2     /* Operand printed as %fx */
+#define OPERAND_AR      0x4     /* Operand printed as %ax */
+#define OPERAND_CR      0x8     /* Operand printed as %cx */
+#define OPERAND_DISP    0x10    /* Operand printed as displacement */
+#define OPERAND_BASE    0x20    /* Operand printed as base register */
+#define OPERAND_INDEX   0x40    /* Operand printed as index register */
+#define OPERAND_PCREL   0x80    /* Operand printed as pc-relative symbol */
+#define OPERAND_SIGNED  0x100   /* Operand printed as signed value */
+#define OPERAND_LENGTH  0x200   /* Operand printed as length (+1) */
+
+
+struct s390_operand {
+        int bits;               /* The number of bits in the operand. */
+        int shift;              /* The number of bits to shift. */
+        int flags;              /* One bit syntax flags. */
+};
+
+struct s390_insn {
+        const char name[5];
+        unsigned char opfrag;
+        unsigned char format;
+};
+
+
+static inline int insn_length(unsigned char code)
+{
+        return ((((int) code + 64) >> 7) + 1) << 1;
+}
+
+void show_code(struct pt_regs *regs);
+void print_fn_code(unsigned char *code, unsigned long len);
+int insn_to_mnemonic(unsigned char *instruction, char *buf, unsigned int 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__ */