1 /* Disassembler code for Renesas RX.
2 Copyright (C) 2008-2017 Free Software Foundation, Inc.
3 Contributed by Red Hat.
6 This file is part of the GNU opcodes library.
8 This library is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3, or (at your option)
13 It is distributed in the hope that it will be useful, but WITHOUT
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
16 License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 MA 02110-1301, USA. */
28 #include "opcode/rx.h"
35 disassemble_info
* dis
;
40 OPCODES_SIGJMP_BUF bailout
;
44 rx_get_byte (void * vdata
)
47 RX_Data
*rx_data
= (RX_Data
*) vdata
;
50 status
= rx_data
->dis
->read_memory_func (rx_data
->pc
,
56 struct private *priv
= (struct private *) rx_data
->dis
->private_data
;
58 rx_data
->dis
->memory_error_func (status
, rx_data
->pc
,
60 OPCODES_SIGLONGJMP (priv
->bailout
, 1);
67 static char const * size_names
[RX_MAX_SIZE
] =
69 "", ".b", ".ub", ".b", ".w", ".uw", ".w", ".a", ".l", "<error>"
72 static char const * opsize_names
[RX_MAX_SIZE
] =
74 "", ".b", ".b", ".b", ".w", ".w", ".w", ".a", ".l", "<error>"
77 static char const * register_names
[] =
79 /* general registers */
80 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
81 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
82 /* control register */
83 "psw", "pc", "usp", "fpsw", NULL
, NULL
, NULL
, NULL
,
84 "bpsw", "bpc", "isp", "fintv", "intb", "extb", NULL
, NULL
,
85 "a0", "a1", NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
86 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
89 static char const * condition_names
[] =
92 "eq", "ne", "c", "nc", "gtu", "leu", "pz", "n",
93 "ge", "lt", "gt", "le", "o", "no", "<invalid>", "<invalid>"
96 static const char * flag_names
[] =
98 "c", "z", "s", "o", "", "", "", "",
99 "", "", "", "", "", "", "", "",
100 "i", "u", "", "", "", "", "", ""
101 "", "", "", "", "", "", "", "",
105 print_insn_rx (bfd_vma addr
, disassemble_info
* dis
)
109 RX_Opcode_Decoded opcode
;
113 dis
->private_data
= (PTR
) &priv
;
117 if (OPCODES_SIGSETJMP (priv
.bailout
) != 0)
123 rv
= rx_decode_opcode (addr
, &opcode
, rx_get_byte
, &rx_data
);
125 dis
->bytes_per_line
= 10;
127 #define PR (dis->fprintf_func)
128 #define PS (dis->stream)
129 #define PC(c) PR (PS, "%c", c)
131 /* Detect illegal instructions. */
132 if (opcode
.op
[0].size
== RX_Bad_Size
133 || register_names
[opcode
.op
[0].reg
] == NULL
134 || register_names
[opcode
.op
[1].reg
] == NULL
135 || register_names
[opcode
.op
[2].reg
] == NULL
)
141 rx_data
.dis
->read_memory_func (rx_data
.pc
- rv
, buf
, rv
, rx_data
.dis
);
143 for (i
= 0 ; i
< rv
; i
++)
144 PR (PS
, "0x%02x ", buf
[i
]);
148 for (s
= opcode
.syntax
; *s
; s
++)
156 RX_Opcode_Operand
* oper
;
186 PR (PS
, "%s", opsize_names
[opcode
.size
]);
192 oper
= opcode
.op
+ *s
- '0';
195 if (oper
->type
== RX_Operand_Indirect
|| oper
->type
== RX_Operand_Zero_Indirect
)
196 PR (PS
, "%s", size_names
[oper
->size
]);
201 case RX_Operand_Immediate
:
203 dis
->print_address_func (oper
->addend
, dis
);
205 || oper
->addend
> 999
206 || oper
->addend
< -999)
207 PR (PS
, "%#x", oper
->addend
);
209 PR (PS
, "%d", oper
->addend
);
211 case RX_Operand_Register
:
212 case RX_Operand_TwoReg
:
213 PR (PS
, "%s", register_names
[oper
->reg
]);
215 case RX_Operand_Indirect
:
216 PR (PS
, "%d[%s]", oper
->addend
, register_names
[oper
->reg
]);
218 case RX_Operand_Zero_Indirect
:
219 PR (PS
, "[%s]", register_names
[oper
->reg
]);
221 case RX_Operand_Postinc
:
222 PR (PS
, "[%s+]", register_names
[oper
->reg
]);
224 case RX_Operand_Predec
:
225 PR (PS
, "[-%s]", register_names
[oper
->reg
]);
227 case RX_Operand_Condition
:
228 PR (PS
, "%s", condition_names
[oper
->reg
]);
230 case RX_Operand_Flag
:
231 PR (PS
, "%s", flag_names
[oper
->reg
]);