s390/disassembler: remove insn_to_mnemonic()
insn_to_mnemonic() was introduced ages ago for KVM debugging, but is unused in the meantime. Therefore remove it. Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
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@ -44,7 +44,6 @@ struct pt_regs;
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void show_code(struct pt_regs *regs);
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void show_code(struct pt_regs *regs);
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void print_fn_code(unsigned char *code, unsigned long len);
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void print_fn_code(unsigned char *code, unsigned long len);
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int insn_to_mnemonic(unsigned char *instruction, char *buf, unsigned int len);
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struct s390_insn *find_insn(unsigned char *code);
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struct s390_insn *find_insn(unsigned char *code);
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static inline int is_known_insn(unsigned char *code)
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static inline int is_known_insn(unsigned char *code)
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@ -1961,34 +1961,6 @@ struct s390_insn *find_insn(unsigned char *code)
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return NULL;
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return NULL;
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}
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}
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/**
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* insn_to_mnemonic - decode an s390 instruction
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* @instruction: instruction to decode
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* @buf: buffer to fill with mnemonic
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* @len: length of buffer
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*
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* Decode the instruction at @instruction and store the corresponding
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* mnemonic into @buf of length @len.
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* @buf is left unchanged if the instruction could not be decoded.
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* Returns:
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* %0 on success, %-ENOENT if the instruction was not found.
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*/
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int insn_to_mnemonic(unsigned char *instruction, char *buf, unsigned int len)
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{
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struct s390_insn *insn;
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insn = find_insn(instruction);
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if (!insn)
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return -ENOENT;
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if (insn->name[0] == '\0')
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snprintf(buf, len, "%s",
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long_insn_name[(int) insn->name[1]]);
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else
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snprintf(buf, len, "%.5s", insn->name);
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return 0;
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}
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EXPORT_SYMBOL_GPL(insn_to_mnemonic);
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static int print_insn(char *buffer, unsigned char *code, unsigned long addr)
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static int print_insn(char *buffer, unsigned char *code, unsigned long addr)
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{
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{
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struct s390_insn *insn;
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struct s390_insn *insn;
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