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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
/* Conversion between ISO 8859-1 and IBM037.
This module uses the Z900 variant of the Translate One To One
instruction.
Copyright (C) 1997-2009 Free Software Foundation, Inc.
Author: Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
Based on the work by Ulrich Drepper <drepper@cygnus.com>, 1997.
Thanks to Daniel Appich who covered the relevant performance work
in his diploma thesis.
This is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <dlfcn.h>
#include <stdint.h>
// conversion table from ISO-8859-1 to IBM037
static const unsigned char table_iso8859_1_to_cp037[256]
__attribute__ ((aligned (8))) =
{
[0x00] = 0x00, [0x01] = 0x01, [0x02] = 0x02, [0x03] = 0x03,
[0x04] = 0x37, [0x05] = 0x2D, [0x06] = 0x2E, [0x07] = 0x2F,
[0x08] = 0x16, [0x09] = 0x05, [0x0A] = 0x25, [0x0B] = 0x0B,
[0x0C] = 0x0C, [0x0D] = 0x0D, [0x0E] = 0x0E, [0x0F] = 0x0F,
[0x10] = 0x10, [0x11] = 0x11, [0x12] = 0x12, [0x13] = 0x13,
[0x14] = 0x3C, [0x15] = 0x3D, [0x16] = 0x32, [0x17] = 0x26,
[0x18] = 0x18, [0x19] = 0x19, [0x1A] = 0x3F, [0x1B] = 0x27,
[0x1C] = 0x1C, [0x1D] = 0x1D, [0x1E] = 0x1E, [0x1F] = 0x1F,
[0x20] = 0x40, [0x21] = 0x5A, [0x22] = 0x7F, [0x23] = 0x7B,
[0x24] = 0x5B, [0x25] = 0x6C, [0x26] = 0x50, [0x27] = 0x7D,
[0x28] = 0x4D, [0x29] = 0x5D, [0x2A] = 0x5C, [0x2B] = 0x4E,
[0x2C] = 0x6B, [0x2D] = 0x60, [0x2E] = 0x4B, [0x2F] = 0x61,
[0x30] = 0xF0, [0x31] = 0xF1, [0x32] = 0xF2, [0x33] = 0xF3,
[0x34] = 0xF4, [0x35] = 0xF5, [0x36] = 0xF6, [0x37] = 0xF7,
[0x38] = 0xF8, [0x39] = 0xF9, [0x3A] = 0x7A, [0x3B] = 0x5E,
[0x3C] = 0x4C, [0x3D] = 0x7E, [0x3E] = 0x6E, [0x3F] = 0x6F,
[0x40] = 0x7C, [0x41] = 0xC1, [0x42] = 0xC2, [0x43] = 0xC3,
[0x44] = 0xC4, [0x45] = 0xC5, [0x46] = 0xC6, [0x47] = 0xC7,
[0x48] = 0xC8, [0x49] = 0xC9, [0x4A] = 0xD1, [0x4B] = 0xD2,
[0x4C] = 0xD3, [0x4D] = 0xD4, [0x4E] = 0xD5, [0x4F] = 0xD6,
[0x50] = 0xD7, [0x51] = 0xD8, [0x52] = 0xD9, [0x53] = 0xE2,
[0x54] = 0xE3, [0x55] = 0xE4, [0x56] = 0xE5, [0x57] = 0xE6,
[0x58] = 0xE7, [0x59] = 0xE8, [0x5A] = 0xE9, [0x5B] = 0xBA,
[0x5C] = 0xE0, [0x5D] = 0xBB, [0x5E] = 0xB0, [0x5F] = 0x6D,
[0x60] = 0x79, [0x61] = 0x81, [0x62] = 0x82, [0x63] = 0x83,
[0x64] = 0x84, [0x65] = 0x85, [0x66] = 0x86, [0x67] = 0x87,
[0x68] = 0x88, [0x69] = 0x89, [0x6A] = 0x91, [0x6B] = 0x92,
[0x6C] = 0x93, [0x6D] = 0x94, [0x6E] = 0x95, [0x6F] = 0x96,
[0x70] = 0x97, [0x71] = 0x98, [0x72] = 0x99, [0x73] = 0xA2,
[0x74] = 0xA3, [0x75] = 0xA4, [0x76] = 0xA5, [0x77] = 0xA6,
[0x78] = 0xA7, [0x79] = 0xA8, [0x7A] = 0xA9, [0x7B] = 0xC0,
[0x7C] = 0x4F, [0x7D] = 0xD0, [0x7E] = 0xA1, [0x7F] = 0x07,
[0x80] = 0x20, [0x81] = 0x21, [0x82] = 0x22, [0x83] = 0x23,
[0x84] = 0x24, [0x85] = 0x15, [0x86] = 0x06, [0x87] = 0x17,
[0x88] = 0x28, [0x89] = 0x29, [0x8A] = 0x2A, [0x8B] = 0x2B,
[0x8C] = 0x2C, [0x8D] = 0x09, [0x8E] = 0x0A, [0x8F] = 0x1B,
[0x90] = 0x30, [0x91] = 0x31, [0x92] = 0x1A, [0x93] = 0x33,
[0x94] = 0x34, [0x95] = 0x35, [0x96] = 0x36, [0x97] = 0x08,
[0x98] = 0x38, [0x99] = 0x39, [0x9A] = 0x3A, [0x9B] = 0x3B,
[0x9C] = 0x04, [0x9D] = 0x14, [0x9E] = 0x3E, [0x9F] = 0xFF,
[0xA0] = 0x41, [0xA1] = 0xAA, [0xA2] = 0x4A, [0xA3] = 0xB1,
[0xA4] = 0x9F, [0xA5] = 0xB2, [0xA6] = 0x6A, [0xA7] = 0xB5,
[0xA8] = 0xBD, [0xA9] = 0xB4, [0xAA] = 0x9A, [0xAB] = 0x8A,
[0xAC] = 0x5F, [0xAD] = 0xCA, [0xAE] = 0xAF, [0xAF] = 0xBC,
[0xB0] = 0x90, [0xB1] = 0x8F, [0xB2] = 0xEA, [0xB3] = 0xFA,
[0xB4] = 0xBE, [0xB5] = 0xA0, [0xB6] = 0xB6, [0xB7] = 0xB3,
[0xB8] = 0x9D, [0xB9] = 0xDA, [0xBA] = 0x9B, [0xBB] = 0x8B,
[0xBC] = 0xB7, [0xBD] = 0xB8, [0xBE] = 0xB9, [0xBF] = 0xAB,
[0xC0] = 0x64, [0xC1] = 0x65, [0xC2] = 0x62, [0xC3] = 0x66,
[0xC4] = 0x63, [0xC5] = 0x67, [0xC6] = 0x9E, [0xC7] = 0x68,
[0xC8] = 0x74, [0xC9] = 0x71, [0xCA] = 0x72, [0xCB] = 0x73,
[0xCC] = 0x78, [0xCD] = 0x75, [0xCE] = 0x76, [0xCF] = 0x77,
[0xD0] = 0xAC, [0xD1] = 0x69, [0xD2] = 0xED, [0xD3] = 0xEE,
[0xD4] = 0xEB, [0xD5] = 0xEF, [0xD6] = 0xEC, [0xD7] = 0xBF,
[0xD8] = 0x80, [0xD9] = 0xFD, [0xDA] = 0xFE, [0xDB] = 0xFB,
[0xDC] = 0xFC, [0xDD] = 0xAD, [0xDE] = 0xAE, [0xDF] = 0x59,
[0xE0] = 0x44, [0xE1] = 0x45, [0xE2] = 0x42, [0xE3] = 0x46,
[0xE4] = 0x43, [0xE5] = 0x47, [0xE6] = 0x9C, [0xE7] = 0x48,
[0xE8] = 0x54, [0xE9] = 0x51, [0xEA] = 0x52, [0xEB] = 0x53,
[0xEC] = 0x58, [0xED] = 0x55, [0xEE] = 0x56, [0xEF] = 0x57,
[0xF0] = 0x8C, [0xF1] = 0x49, [0xF2] = 0xCD, [0xF3] = 0xCE,
[0xF4] = 0xCB, [0xF5] = 0xCF, [0xF6] = 0xCC, [0xF7] = 0xE1,
[0xF8] = 0x70, [0xF9] = 0xDD, [0xFA] = 0xDE, [0xFB] = 0xDB,
[0xFC] = 0xDC, [0xFD] = 0x8D, [0xFE] = 0x8E, [0xFF] = 0xDF
};
// conversion table from IBM037 to ISO-8859-1
static const unsigned char table_cp037_iso8859_1[256]
__attribute__ ((aligned (8))) =
{
[0x00] = 0x00, [0x01] = 0x01, [0x02] = 0x02, [0x03] = 0x03,
[0x04] = 0x9C, [0x05] = 0x09, [0x06] = 0x86, [0x07] = 0x7F,
[0x08] = 0x97, [0x09] = 0x8D, [0x0A] = 0x8E, [0x0B] = 0x0B,
[0x0C] = 0x0C, [0x0D] = 0x0D, [0x0E] = 0x0E, [0x0F] = 0x0F,
[0x10] = 0x10, [0x11] = 0x11, [0x12] = 0x12, [0x13] = 0x13,
[0x14] = 0x9D, [0x15] = 0x85, [0x16] = 0x08, [0x17] = 0x87,
[0x18] = 0x18, [0x19] = 0x19, [0x1A] = 0x92, [0x1B] = 0x8F,
[0x1C] = 0x1C, [0x1D] = 0x1D, [0x1E] = 0x1E, [0x1F] = 0x1F,
[0x20] = 0x80, [0x21] = 0x81, [0x22] = 0x82, [0x23] = 0x83,
[0x24] = 0x84, [0x25] = 0x0A, [0x26] = 0x17, [0x27] = 0x1B,
[0x28] = 0x88, [0x29] = 0x89, [0x2A] = 0x8A, [0x2B] = 0x8B,
[0x2C] = 0x8C, [0x2D] = 0x05, [0x2E] = 0x06, [0x2F] = 0x07,
[0x30] = 0x90, [0x31] = 0x91, [0x32] = 0x16, [0x33] = 0x93,
[0x34] = 0x94, [0x35] = 0x95, [0x36] = 0x96, [0x37] = 0x04,
[0x38] = 0x98, [0x39] = 0x99, [0x3A] = 0x9A, [0x3B] = 0x9B,
[0x3C] = 0x14, [0x3D] = 0x15, [0x3E] = 0x9E, [0x3F] = 0x1A,
[0x40] = 0x20, [0x41] = 0xA0, [0x42] = 0xE2, [0x43] = 0xE4,
[0x44] = 0xE0, [0x45] = 0xE1, [0x46] = 0xE3, [0x47] = 0xE5,
[0x48] = 0xE7, [0x49] = 0xF1, [0x4A] = 0xA2, [0x4B] = 0x2E,
[0x4C] = 0x3C, [0x4D] = 0x28, [0x4E] = 0x2B, [0x4F] = 0x7C,
[0x50] = 0x26, [0x51] = 0xE9, [0x52] = 0xEA, [0x53] = 0xEB,
[0x54] = 0xE8, [0x55] = 0xED, [0x56] = 0xEE, [0x57] = 0xEF,
[0x58] = 0xEC, [0x59] = 0xDF, [0x5A] = 0x21, [0x5B] = 0x24,
[0x5C] = 0x2A, [0x5D] = 0x29, [0x5E] = 0x3B, [0x5F] = 0xAC,
[0x60] = 0x2D, [0x61] = 0x2F, [0x62] = 0xC2, [0x63] = 0xC4,
[0x64] = 0xC0, [0x65] = 0xC1, [0x66] = 0xC3, [0x67] = 0xC5,
[0x68] = 0xC7, [0x69] = 0xD1, [0x6A] = 0xA6, [0x6B] = 0x2C,
[0x6C] = 0x25, [0x6D] = 0x5F, [0x6E] = 0x3E, [0x6F] = 0x3F,
[0x70] = 0xF8, [0x71] = 0xC9, [0x72] = 0xCA, [0x73] = 0xCB,
[0x74] = 0xC8, [0x75] = 0xCD, [0x76] = 0xCE, [0x77] = 0xCF,
[0x78] = 0xCC, [0x79] = 0x60, [0x7A] = 0x3A, [0x7B] = 0x23,
[0x7C] = 0x40, [0x7D] = 0x27, [0x7E] = 0x3D, [0x7F] = 0x22,
[0x80] = 0xD8, [0x81] = 0x61, [0x82] = 0x62, [0x83] = 0x63,
[0x84] = 0x64, [0x85] = 0x65, [0x86] = 0x66, [0x87] = 0x67,
[0x88] = 0x68, [0x89] = 0x69, [0x8A] = 0xAB, [0x8B] = 0xBB,
[0x8C] = 0xF0, [0x8D] = 0xFD, [0x8E] = 0xFE, [0x8F] = 0xB1,
[0x90] = 0xB0, [0x91] = 0x6A, [0x92] = 0x6B, [0x93] = 0x6C,
[0x94] = 0x6D, [0x95] = 0x6E, [0x96] = 0x6F, [0x97] = 0x70,
[0x98] = 0x71, [0x99] = 0x72, [0x9A] = 0xAA, [0x9B] = 0xBA,
[0x9C] = 0xE6, [0x9D] = 0xB8, [0x9E] = 0xC6, [0x9F] = 0xA4,
[0xA0] = 0xB5, [0xA1] = 0x7E, [0xA2] = 0x73, [0xA3] = 0x74,
[0xA4] = 0x75, [0xA5] = 0x76, [0xA6] = 0x77, [0xA7] = 0x78,
[0xA8] = 0x79, [0xA9] = 0x7A, [0xAA] = 0xA1, [0xAB] = 0xBF,
[0xAC] = 0xD0, [0xAD] = 0xDD, [0xAE] = 0xDE, [0xAF] = 0xAE,
[0xB0] = 0x5E, [0xB1] = 0xA3, [0xB2] = 0xA5, [0xB3] = 0xB7,
[0xB4] = 0xA9, [0xB5] = 0xA7, [0xB6] = 0xB6, [0xB7] = 0xBC,
[0xB8] = 0xBD, [0xB9] = 0xBE, [0xBA] = 0x5B, [0xBB] = 0x5D,
[0xBC] = 0xAF, [0xBD] = 0xA8, [0xBE] = 0xB4, [0xBF] = 0xD7,
[0xC0] = 0x7B, [0xC1] = 0x41, [0xC2] = 0x42, [0xC3] = 0x43,
[0xC4] = 0x44, [0xC5] = 0x45, [0xC6] = 0x46, [0xC7] = 0x47,
[0xC8] = 0x48, [0xC9] = 0x49, [0xCA] = 0xAD, [0xCB] = 0xF4,
[0xCC] = 0xF6, [0xCD] = 0xF2, [0xCE] = 0xF3, [0xCF] = 0xF5,
[0xD0] = 0x7D, [0xD1] = 0x4A, [0xD2] = 0x4B, [0xD3] = 0x4C,
[0xD4] = 0x4D, [0xD5] = 0x4E, [0xD6] = 0x4F, [0xD7] = 0x50,
[0xD8] = 0x51, [0xD9] = 0x52, [0xDA] = 0xB9, [0xDB] = 0xFB,
[0xDC] = 0xFC, [0xDD] = 0xF9, [0xDE] = 0xFA, [0xDF] = 0xFF,
[0xE0] = 0x5C, [0xE1] = 0xF7, [0xE2] = 0x53, [0xE3] = 0x54,
[0xE4] = 0x55, [0xE5] = 0x56, [0xE6] = 0x57, [0xE7] = 0x58,
[0xE8] = 0x59, [0xE9] = 0x5A, [0xEA] = 0xB2, [0xEB] = 0xD4,
[0xEC] = 0xD6, [0xED] = 0xD2, [0xEE] = 0xD3, [0xEF] = 0xD5,
[0xF0] = 0x30, [0xF1] = 0x31, [0xF2] = 0x32, [0xF3] = 0x33,
[0xF4] = 0x34, [0xF5] = 0x35, [0xF6] = 0x36, [0xF7] = 0x37,
[0xF8] = 0x38, [0xF9] = 0x39, [0xFA] = 0xB3, [0xFB] = 0xDB,
[0xFC] = 0xDC, [0xFD] = 0xD9, [0xFE] = 0xDA, [0xFF] = 0x9F
};
/* Definitions used in the body of the `gconv' function. */
#define CHARSET_NAME "ISO-8859-1//"
#define FROM_LOOP iso8859_1_to_cp037_z900
#define TO_LOOP cp037_to_iso8859_1_z900
#define DEFINE_INIT 1
#define DEFINE_FINI 1
#define MIN_NEEDED_FROM 1
#define MIN_NEEDED_TO 1
/* The Z900 variant of troo forces us to always specify a test
character which ends the translation. So if we run into the
situation where the translation has been interrupted due to the
test character we translate the character by hand and jump back
into the instruction. */
#define TROO_LOOP(TABLE) \
{ \
register const unsigned char test asm ("0") = 0; \
register const unsigned char *pTable asm ("1") = TABLE; \
register unsigned char *pOutput asm ("2") = outptr; \
register uint64_t length asm ("3"); \
const unsigned char* pInput = inptr; \
uint64_t tmp; \
\
length = (inend - inptr < outend - outptr \
? inend - inptr : outend - outptr); \
\
asm volatile ("0: \n\t" \
" troo %0,%1 \n\t" \
" jz 1f \n\t" \
" jo 0b \n\t" \
" llgc %3,0(%1) \n\t" \
" la %3,0(%3,%4) \n\t" \
" mvc 0(1,%0),0(%3) \n\t" \
" aghi %1,1 \n\t" \
" aghi %0,1 \n\t" \
" aghi %2,-1 \n\t" \
" j 0b \n\t" \
"1: \n" \
\
: "+a" (pOutput), "+a" (pInput), "+d" (length), "=&a" (tmp) \
: "a" (pTable), "d" (test) \
: "cc"); \
\
inptr = pInput; \
outptr = pOutput; \
}
/* First define the conversion function from ISO 8859-1 to CP037. */
#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
#define LOOPFCT FROM_LOOP
#define BODY TROO_LOOP (table_iso8859_1_to_cp037)
#include <iconv/loop.c>
/* Next, define the conversion function from CP037 to ISO 8859-1. */
#define MIN_NEEDED_INPUT MIN_NEEDED_TO
#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM
#define LOOPFCT TO_LOOP
#define BODY TROO_LOOP (table_cp037_iso8859_1);
#include <iconv/loop.c>
/* Now define the toplevel functions. */
#include <iconv/skeleton.c>
|
