From 8b46c09925a80623c289e346c12921bc09fd1678 Mon Sep 17 00:00:00 2001 From: Niklas Hallqvist Date: Mon, 8 Jan 1996 11:10:27 +0000 Subject: Initial GNU binutils 2.6 import --- gnu/usr.bin/binutils/gas/bit_fix.h | 51 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 gnu/usr.bin/binutils/gas/bit_fix.h (limited to 'gnu/usr.bin/binutils/gas/bit_fix.h') diff --git a/gnu/usr.bin/binutils/gas/bit_fix.h b/gnu/usr.bin/binutils/gas/bit_fix.h new file mode 100644 index 00000000000..6a729a700c6 --- /dev/null +++ b/gnu/usr.bin/binutils/gas/bit_fix.h @@ -0,0 +1,51 @@ +/* write.h + + Copyright (C) 1987, 1992 Free Software Foundation, Inc. + + This file is part of GAS, the GNU Assembler. + + GAS is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + GAS is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with GAS; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +/* The bit_fix was implemented to support machines that need variables + to be inserted in bitfields other than 1, 2 and 4 bytes. + Furthermore it gives us a possibillity to mask in bits in the symbol + when it's fixed in the objectcode and check the symbols limits. + + The or-mask is used to set the huffman bits in displacements for the + ns32k port. + The acbi, addqi, movqi, cmpqi instruction requires an assembler that + can handle bitfields. Ie handle an expression, evaluate it and insert + the result in an some bitfield. ( ex: 5 bits in a short field of a opcode) + */ + +#ifndef __bit_fix_h__ +#define __bit_fix_h__ + +struct bit_fix + { + int fx_bit_size; /* Length of bitfield */ + int fx_bit_offset; /* Bit offset to bitfield */ + long fx_bit_base; /* Where do we apply the bitfix. + If this is zero, default is assumed. */ + long fx_bit_base_adj; /* Adjustment of base */ + long fx_bit_max; /* Signextended max for bitfield */ + long fx_bit_min; /* Signextended min for bitfield */ + long fx_bit_add; /* Or mask, used for huffman prefix */ + }; +typedef struct bit_fix bit_fixS; + +#endif /* __bit_fix_h__ */ + +/* end of bit_fix.h */ -- cgit v1.2.3