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d3ecfc599f
* config/tc-mips.c: Likewise. * config/tc-sh.c: Likewise. * config/tc-arc.c (arc_code_symbol): Remove unnecessary test.
49 lines
1.9 KiB
C
49 lines
1.9 KiB
C
/* bit_fix.h
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Copyright 1987, 1992, 2000, 2001 Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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/* The bit_fix was implemented to support machines that need variables
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to be inserted in bitfields other than 1, 2 and 4 bytes.
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Furthermore it gives us a possibillity to mask in bits in the symbol
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when it's fixed in the objectcode and check the symbols limits.
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The or-mask is used to set the huffman bits in displacements for the
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ns32k port.
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The acbi, addqi, movqi, cmpqi instruction requires an assembler that
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can handle bitfields. Ie. handle an expression, evaluate it and insert
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the result in some bitfield. (eg: 5 bits in a short field of an opcode)
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*/
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#ifndef __bit_fix_h__
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#define __bit_fix_h__
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struct bit_fix {
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int fx_bit_size; /* Length of bitfield */
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int fx_bit_offset; /* Bit offset to bitfield */
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long fx_bit_base; /* Where do we apply the bitfix.
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If this is zero, default is assumed. */
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long fx_bit_base_adj; /* Adjustment of base */
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long fx_bit_max; /* Signextended max for bitfield */
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long fx_bit_min; /* Signextended min for bitfield */
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long fx_bit_add; /* Or mask, used for huffman prefix */
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};
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typedef struct bit_fix bit_fixS;
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#endif /* __bit_fix_h__ */
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