1/* tc-ns32k.h -- Opcode table for National Semi 32k processor
2   Copyright 1987, 1992, 1993, 1994, 1995, 1997, 2000, 2002, 2005, 2007
3   Free Software Foundation, Inc.
4
5   This file is part of GAS, the GNU Assembler.
6
7   GAS is free software; you can redistribute it and/or modify
8   it under the terms of the GNU General Public License as published by
9   the Free Software Foundation; either version 3, or (at your option)
10   any later version.
11
12   GAS is distributed in the hope that it will be useful,
13   but WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   GNU General Public License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with GAS; see the file COPYING.  If not, write to the Free
19   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
20   02110-1301, USA.  */
21
22#define TC_NS32K
23
24#define TARGET_BYTES_BIG_ENDIAN	0
25
26#define TC_PCREL_ADJUST(F) md_pcrel_adjust(F)
27extern int md_pcrel_adjust (fragS *);
28
29#define NO_RELOC BFD_RELOC_NONE
30
31#define TARGET_ARCH		bfd_arch_ns32k
32
33#ifndef TARGET_FORMAT		/* Maybe defined in te-*.h.  */
34#define TARGET_FORMAT		"a.out-pc532-mach"
35#endif
36
37#define LOCAL_LABELS_FB 1
38
39#include "bit_fix.h"
40
41#ifdef SEQUENT_COMPATABILITY
42#define DEF_MODEC 20
43#define DEF_MODEL 21
44#endif
45
46#ifndef DEF_MODEC
47#define DEF_MODEC 20
48#endif
49
50#ifndef DEF_MODEL
51#define DEF_MODEL 20
52#endif
53
54#define MAX_ARGS 4
55#define ARG_LEN 50
56
57#define TC_CONS_FIX_NEW cons_fix_new_ns32k
58extern void cons_fix_new_ns32k (fragS *, int, int, expressionS *);
59
60/* The NS32x32 has a non 0 nop instruction which should be used in aligns.  */
61#define NOP_OPCODE 0xa2
62
63#define md_operand(x)
64
65extern const struct relax_type md_relax_table[];
66#define TC_GENERIC_RELAX_TABLE md_relax_table
67
68#define TC_FRAG_TYPE				\
69  struct 					\
70    { 						\
71      fragS *      fr_opcode_fragP;		\
72      unsigned int fr_opcode_offset;		\
73      char         fr_bsr;			\
74    }
75
76#define TC_FRAG_INIT(X)				\
77  do						\
78     {						\
79       frag_opcode_frag (X) = NULL;		\
80       frag_opcode_offset (X) = 0;		\
81       frag_bsr (X) = 0;			\
82     }						\
83  while (0)
84
85/* Accessor macros for things which may move around.  */
86#define frag_opcode_frag(X)   (X)->tc_frag_data.fr_opcode_fragP
87#define frag_opcode_offset(X) (X)->tc_frag_data.fr_opcode_offset
88#define frag_bsr(X)           (X)->tc_frag_data.fr_bsr
89
90#define TC_FIX_TYPE				\
91  struct					\
92    {						\
93      fragS *      opcode_fragP;		\
94      unsigned int opcode_offset;		\
95      unsigned int bsr : 1;			\
96    }
97
98/* Accessor macros for things which may move around.
99   See comments in write.h.  */
100#define fix_im_disp(X)       (X)->fx_im_disp
101#define fix_bit_fixP(X)      (X)->fx_bit_fixP
102#define fix_opcode_frag(X)   (X)->tc_fix_data.opcode_fragP
103#define fix_opcode_offset(X) (X)->tc_fix_data.opcode_offset
104#define fix_bsr(X)           (X)->tc_fix_data.bsr
105
106#define TC_INIT_FIX_DATA(X)			\
107  do						\
108     {						\
109       fix_opcode_frag(X) = NULL;		\
110       fix_opcode_offset(X) = 0;		\
111       fix_bsr(X) = 0;				\
112     }						\
113  while (0)
114
115#define TC_FIX_DATA_PRINT(FILE, FIX)					\
116  do									\
117    {									\
118      fprintf ((FILE), "opcode_frag=%ld, operand offset=%d, bsr=%d\n",	\
119	      (unsigned long) fix_opcode_frag (FIX),			\
120	      fix_opcode_offset (FIX),					\
121	      fix_bsr (FIX));						\
122    }									\
123  while (0)
124