1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/* s390.h -- Header file for S390 opcode table
Copyright (C) 2000-2014 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
This file is part of BFD, the Binary File Descriptor library.
This program 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 3 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
#ifndef S390_H
#define S390_H
/* List of instruction sets variations. */
enum s390_opcode_mode_val
{
S390_OPCODE_ESA = 0,
S390_OPCODE_ZARCH
};
enum s390_opcode_cpu_val
{
S390_OPCODE_G5 = 0,
S390_OPCODE_G6,
S390_OPCODE_Z900,
S390_OPCODE_Z990,
S390_OPCODE_Z9_109,
S390_OPCODE_Z9_EC,
S390_OPCODE_Z10,
S390_OPCODE_Z196,
S390_OPCODE_ZEC12,
S390_OPCODE_MAXCPU
};
/* The opcode table is an array of struct s390_opcode. */
struct s390_opcode
{
/* The opcode name. */
const char * name;
/* The opcode itself. Those bits which will be filled in with
operands are zeroes. */
unsigned char opcode[6];
/* The opcode mask. This is used by the disassembler. This is a
mask containing ones indicating those bits which must match the
opcode field, and zeroes indicating those bits which need not
match (and are presumably filled in by operands). */
unsigned char mask[6];
/* The opcode length in bytes. */
int oplen;
/* An array of operand codes. Each code is an index into the
operand table. They appear in the order which the operands must
appear in assembly code, and are terminated by a zero. */
unsigned char operands[6];
/* Bitmask of execution modes this opcode is available for. */
unsigned int modes;
/* First cpu this opcode is available for. */
enum s390_opcode_cpu_val min_cpu;
};
/* The table itself is sorted by major opcode number, and is otherwise
in the order in which the disassembler should consider
instructions. */
extern const struct s390_opcode s390_opcodes[];
extern const int s390_num_opcodes;
/* A opcode format table for the .insn pseudo mnemonic. */
extern const struct s390_opcode s390_opformats[];
extern const int s390_num_opformats;
/* Values defined for the flags field of a struct powerpc_opcode. */
/* The operands table is an array of struct s390_operand. */
struct s390_operand
{
/* The number of bits in the operand. */
int bits;
/* How far the operand is left shifted in the instruction. */
int shift;
/* One bit syntax flags. */
unsigned long flags;
};
/* Elements in the table are retrieved by indexing with values from
the operands field of the powerpc_opcodes table. */
extern const struct s390_operand s390_operands[];
/* Values defined for the flags field of a struct s390_operand. */
/* This operand names a register. The disassembler uses this to print
register names with a leading 'r'. */
#define S390_OPERAND_GPR 0x1
/* This operand names a floating point register. The disassembler
prints these with a leading 'f'. */
#define S390_OPERAND_FPR 0x2
/* This operand names an access register. The disassembler
prints these with a leading 'a'. */
#define S390_OPERAND_AR 0x4
/* This operand names a control register. The disassembler
prints these with a leading 'c'. */
#define S390_OPERAND_CR 0x8
/* This operand is a displacement. */
#define S390_OPERAND_DISP 0x10
/* This operand names a base register. */
#define S390_OPERAND_BASE 0x20
/* This operand names an index register, it can be skipped. */
#define S390_OPERAND_INDEX 0x40
/* This operand is a relative branch displacement. The disassembler
prints these symbolically if possible. */
#define S390_OPERAND_PCREL 0x80
/* This operand takes signed values. */
#define S390_OPERAND_SIGNED 0x100
/* This operand is a length. */
#define S390_OPERAND_LENGTH 0x200
/* This operand is optional. Only a single operand at the end of
the instruction may be optional. */
#define S390_OPERAND_OPTIONAL 0x400
/* The operand needs to be a valid GP or FP register pair. */
#define S390_OPERAND_REG_PAIR 0x800
#endif /* S390_H */
|
