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b85e4829 AC |
1 | /* The common simulator framework for GDB, the GNU Debugger. |
2 | ||
7b6bb8da | 3 | Copyright 2002, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. |
b85e4829 AC |
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 | |
4744ac1b | 11 | the Free Software Foundation; either version 3 of the License, or |
b85e4829 AC |
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 | |
4744ac1b | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
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) | |
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) | |
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) | |
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) | |
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) | |
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) | |
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) | |
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*) | |
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 |