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Improved display of register lists.
This commit is contained in:
opcodes
@ -1,3 +1,9 @@
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start-sanitize-v850e
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Fri Sep 12 11:43:54 1997 Nick Clifton <nickc@cygnus.com>
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* v850-dis.c (disassemble): Improved display of register lists.
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start-sanitize-v850e
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Thu Sep 11 17:35:10 1997 Doug Evans <dje@canuck.cygnus.com>
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Thu Sep 11 17:35:10 1997 Doug Evans <dje@canuck.cygnus.com>
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* sparc-opc.c (sparc_opcodes): Fix assembler args to
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* sparc-opc.c (sparc_opcodes): Fix assembler args to
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@ -166,7 +166,10 @@ disassemble (memaddr, info, insn)
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/* end-sanitize-v850eq */
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/* end-sanitize-v850eq */
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int * regs;
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int * regs;
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int i;
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int i;
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int shown_one = false;
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unsigned long int mask = 0;
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int pc = false;
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int sr = false;
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switch (operand->shift)
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switch (operand->shift)
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{
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{
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@ -180,27 +183,63 @@ disassemble (memaddr, info, insn)
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abort();
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abort();
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}
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}
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info->fprintf_func (info->stream, "{");
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for (i = 0; i < 32; i++)
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for (i = 0; i < 32; i++)
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{
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{
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if (value & (1 << i))
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if (value & (1 << i))
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{
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{
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switch (regs[ i ])
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{
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default: mask |= (1 << regs[ i ]); break;
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/* start-sanitize-v850eq */
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case 0: fprintf (stderr, "unknown pop reg: %d\n", i ); abort();
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case -1: pc = true; break;
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case -2: sr = true; break;
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/* end-sanitize-v850eq */
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}
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}
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}
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info->fprintf_func (info->stream, "{");
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if (mask || pc || sr)
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{
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if (mask)
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{
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unsigned int bit;
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int shown_one = false;
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for (bit = 0; bit < 32; bit++)
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if (mask & (1 << bit))
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{
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unsigned long int first = bit;
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unsigned long int last;
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if (shown_one)
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if (shown_one)
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info->fprintf_func (info->stream, ", ");
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info->fprintf_func (info->stream, ", ");
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else
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else
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shown_one = true;
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shown_one = true;
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switch (regs[ i ])
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info->fprintf_func (info->stream, v850_reg_names[first]);
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for (bit++; bit < 32; bit++)
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if ((mask & (1 << bit)) == 0)
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break;
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last = bit;
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if (last > first + 1)
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{
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{
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default: info->fprintf_func (info->stream, "%s", v850_reg_names[regs[ i ]]); break;
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info->fprintf_func (info->stream, " - %s", v850_reg_names[ last - 1 ]);
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/* start-sanitize-v850eq */
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case 0: fprintf (stderr, "unknown pop reg: %d\n", i ); abort();
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case -1: info->fprintf_func (info->stream, "PC "); break;
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case -2: info->fprintf_func (info->stream, "SR"); break;
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/* end-sanitize-v850eq */
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}
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}
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}
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}
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}
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}
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if (pc)
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info->fprintf_func (info->stream, "%sPC", mask ? ", " : "");
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if (sr)
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info->fprintf_func (info->stream, "%sSR", (mask || pc) ? ", " : "");
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}
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info->fprintf_func (info->stream, "}");
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info->fprintf_func (info->stream, "}");
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}
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}
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break;
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break;
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