* mips-tdep.c (mips32_decode_reg_save): Remove, unused.
(mips32_fetch_instruction): Remove, unused.
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@ -1,3 +1,8 @@
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2004-09-30 Joel Brobecker <brobecker@gnat.com>
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* mips-tdep.c (mips32_decode_reg_save): Remove, unused.
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(mips32_fetch_instruction): Remove, unused.
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2004-09-30 Joel Brobecker <brobecker@gnat.com>
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* mips-tdep.c (mips_insn16_frame_cache): Remove dead code or
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@ -945,39 +945,6 @@ after_prologue (CORE_ADDR pc)
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return 0;
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}
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/* Decode a MIPS32 instruction that saves a register in the stack, and
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set the appropriate bit in the general register mask or float register mask
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to indicate which register is saved. This is a helper function
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for mips_find_saved_regs. */
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static void
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mips32_decode_reg_save (t_inst inst, unsigned long *gen_mask,
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unsigned long *float_mask)
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{
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int reg;
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if ((inst & 0xffe00000) == 0xafa00000 /* sw reg,n($sp) */
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|| (inst & 0xffe00000) == 0xafc00000 /* sw reg,n($r30) */
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|| (inst & 0xffe00000) == 0xffa00000) /* sd reg,n($sp) */
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{
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/* It might be possible to use the instruction to
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find the offset, rather than the code below which
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is based on things being in a certain order in the
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frame, but figuring out what the instruction's offset
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is relative to might be a little tricky. */
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reg = (inst & 0x001f0000) >> 16;
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*gen_mask |= (1 << reg);
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}
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else if ((inst & 0xffe00000) == 0xe7a00000 /* swc1 freg,n($sp) */
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|| (inst & 0xffe00000) == 0xe7c00000 /* swc1 freg,n($r30) */
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|| (inst & 0xffe00000) == 0xf7a00000) /* sdc1 freg,n($sp) */
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{
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reg = ((inst & 0x001f0000) >> 16);
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*float_mask |= (1 << reg);
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}
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}
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/* Decode a MIPS16 instruction that saves a register in the stack, and
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set the appropriate bit in the general register or float register mask
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to indicate which register is saved. This is a helper function
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@ -1040,20 +1007,6 @@ mips16_fetch_instruction (CORE_ADDR addr)
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return extract_unsigned_integer (buf, instlen);
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}
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static ULONGEST
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mips32_fetch_instruction (CORE_ADDR addr)
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{
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char buf[MIPS_INSTLEN];
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int instlen;
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int status;
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instlen = MIPS_INSTLEN;
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status = deprecated_read_memory_nobpt (addr, buf, instlen);
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if (status)
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memory_error (status, addr);
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return extract_unsigned_integer (buf, instlen);
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}
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/* These the fields of 32 bit mips instructions */
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#define mips32_op(x) (x >> 26)
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#define itype_op(x) (x >> 26)
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