1 /* The common simulator framework for GDB, the GNU Debugger.
2
3 Copyright 2002-2013 Free Software Foundation, Inc.
4
5 Contributed by Andrew Cagney and Red Hat.
6
7 This file is part of GDB.
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21
22
23 #ifndef N
24 #error "N must be #defined"
25 #endif
26
27 #include "symcat.h"
28
29 /* NOTE: See end of file for #undef */
30 #define unsigned_N XCONCAT2(unsigned_,N)
31 #define endian_t2h_N XCONCAT2(endian_t2h_,N)
32 #define endian_h2t_N XCONCAT2(endian_h2t_,N)
33 #define _SWAP_N XCONCAT2(_SWAP_,N)
34 #define swap_N XCONCAT2(swap_,N)
35 #define endian_h2be_N XCONCAT2(endian_h2be_,N)
36 #define endian_be2h_N XCONCAT2(endian_be2h_,N)
37 #define endian_h2le_N XCONCAT2(endian_h2le_,N)
38 #define endian_le2h_N XCONCAT2(endian_le2h_,N)
39 #define offset_N XCONCAT2(offset_,N)
40
41 /* TAGS: endian_t2h_1 endian_t2h_2 endian_t2h_4 endian_t2h_8 endian_t2h_16 */
42
43 INLINE_SIM_ENDIAN\
44 (unsigned_N)
endian_t2h_N(unsigned_N raw_in)45 endian_t2h_N(unsigned_N raw_in)
46 {
47 if (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER) {
48 return raw_in;
49 }
50 else {
51 _SWAP_N(return,raw_in);
52 }
53 }
54
55 /* TAGS: endian_h2t_1 endian_h2t_2 endian_h2t_4 endian_h2t_8 endian_h2t_16 */
56
57 INLINE_SIM_ENDIAN\
58 (unsigned_N)
endian_h2t_N(unsigned_N raw_in)59 endian_h2t_N(unsigned_N raw_in)
60 {
61 if (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER) {
62 return raw_in;
63 }
64 else {
65 _SWAP_N(return,raw_in);
66 }
67 }
68
69 /* TAGS: swap_1 swap_2 swap_4 swap_8 swap_16 */
70
71 INLINE_SIM_ENDIAN\
72 (unsigned_N)
swap_N(unsigned_N raw_in)73 swap_N(unsigned_N raw_in)
74 {
75 _SWAP_N(return,raw_in);
76 }
77
78 /* TAGS: endian_h2be_1 endian_h2be_2 endian_h2be_4 endian_h2be_8 endian_h2be_16 */
79
80 INLINE_SIM_ENDIAN\
81 (unsigned_N)
endian_h2be_N(unsigned_N raw_in)82 endian_h2be_N(unsigned_N raw_in)
83 {
84 if (CURRENT_HOST_BYTE_ORDER == BIG_ENDIAN) {
85 return raw_in;
86 }
87 else {
88 _SWAP_N(return,raw_in);
89 }
90 }
91
92 /* TAGS: endian_be2h_1 endian_be2h_2 endian_be2h_4 endian_be2h_8 endian_be2h_16 */
93
94 INLINE_SIM_ENDIAN\
95 (unsigned_N)
endian_be2h_N(unsigned_N raw_in)96 endian_be2h_N(unsigned_N raw_in)
97 {
98 if (CURRENT_HOST_BYTE_ORDER == BIG_ENDIAN) {
99 return raw_in;
100 }
101 else {
102 _SWAP_N(return,raw_in);
103 }
104 }
105
106 /* TAGS: endian_h2le_1 endian_h2le_2 endian_h2le_4 endian_h2le_8 endian_h2le_16 */
107
108 INLINE_SIM_ENDIAN\
109 (unsigned_N)
endian_h2le_N(unsigned_N raw_in)110 endian_h2le_N(unsigned_N raw_in)
111 {
112 if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) {
113 return raw_in;
114 }
115 else {
116 _SWAP_N(return,raw_in);
117 }
118 }
119
120 /* TAGS: endian_le2h_1 endian_le2h_2 endian_le2h_4 endian_le2h_8 endian_le2h_16 */
121
122 INLINE_SIM_ENDIAN\
123 (unsigned_N)
endian_le2h_N(unsigned_N raw_in)124 endian_le2h_N(unsigned_N raw_in)
125 {
126 if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) {
127 return raw_in;
128 }
129 else {
130 _SWAP_N(return,raw_in);
131 }
132 }
133
134 /* TAGS: offset_1 offset_2 offset_4 offset_8 offset_16 */
135
136 INLINE_SIM_ENDIAN\
137 (void*)
offset_N(unsigned_N * x,unsigned sizeof_word,unsigned word)138 offset_N (unsigned_N *x,
139 unsigned sizeof_word,
140 unsigned word)
141 {
142 char *in = (char*)x;
143 char *out;
144 unsigned offset = sizeof_word * word;
145 ASSERT (offset + sizeof_word <= sizeof(unsigned_N));
146 ASSERT (word < (sizeof (unsigned_N) / sizeof_word));
147 ASSERT ((sizeof (unsigned_N) % sizeof_word) == 0);
148 if (WITH_HOST_BYTE_ORDER == LITTLE_ENDIAN)
149 {
150 out = in + sizeof (unsigned_N) - offset - sizeof_word;
151 }
152 else
153 {
154 out = in + offset;
155 }
156 return out;
157 }
158
159
160 /* NOTE: See start of file for #define */
161 #undef unsigned_N
162 #undef endian_t2h_N
163 #undef endian_h2t_N
164 #undef _SWAP_N
165 #undef swap_N
166 #undef endian_h2be_N
167 #undef endian_be2h_N
168 #undef endian_h2le_N
169 #undef endian_le2h_N
170 #undef offset_N
171