OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [gdb/] [testsuite/] [gdb.base/] [long_long.c] - Blame information for rev 862

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 227 jeremybenn
/* This test script is part of GDB, the GNU debugger.
2
 
3
   Copyright 1999, 2004,
4
   Free Software Foundation, Inc.
5
 
6
   This program is free software; you can redistribute it and/or modify
7
   it under the terms of the GNU General Public License as published by
8
   the Free Software Foundation; either version 3 of the License, or
9
   (at your option) any later version.
10
 
11
   This program is distributed in the hope that it will be useful,
12
   but WITHOUT ANY WARRANTY; without even the implied warranty of
13
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
   GNU General Public License for more details.
15
 
16
   You should have received a copy of the GNU General Public License
17
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
18
   */
19
 
20
/* Test long long expression; test printing in general.
21
 *
22
 * /CLO/BUILD_ENV/Exports/cc -g +e -o long_long long_long.c
23
 *
24
 * or
25
 *
26
 * cc +e +DA2.0 -g -o long_long long_long.c
27
 */
28
 
29
#include <string.h>
30
 
31
enum { MAX_BYTES = 16 };
32
 
33
void
34
pack (unsigned char b[MAX_BYTES], int size, int nr)
35
{
36
  static long long val[] = { 0x123456789abcdefLL, 01234567123456701234567LL, 12345678901234567890ULL};
37
  volatile static int e = 1;
38
  int i;
39
  for (i = 0; i < nr; i++)
40
    {
41
      int offset;
42
      if (*(char *)&e)
43
        /* Little endian.  */
44
        offset = sizeof (long long) - size;
45
      else
46
        /* Big endian endian.  */
47
        offset = 0;
48
      memcpy (b + size * i, (char *) val + sizeof (long long) * i + offset, size);
49
    }
50
}
51
 
52
unsigned char b[MAX_BYTES];
53
unsigned char h[MAX_BYTES];
54
unsigned char w[MAX_BYTES];
55
unsigned char g[MAX_BYTES];
56
 
57
unsigned char c[MAX_BYTES];
58
unsigned char s[MAX_BYTES];
59
unsigned char i[MAX_BYTES];
60
unsigned char l[MAX_BYTES];
61
unsigned char ll[MAX_BYTES];
62
 
63
int known_types()
64
{
65
  /* A union is used here as, hopefully it has well defined packing
66
     rules.  */
67
  struct {
68
    long long bin, oct, dec, hex;
69
  } val;
70
  memset (&val, 0, sizeof val);
71
 
72
  /* Known values, filling the full 64 bits.  */
73
  val.bin = 0x123456789abcdefLL; /* 64 bits = 16 hex digits */
74
  val.oct = 01234567123456701234567LL; /*  = 21+ octal digits */
75
  val.dec = 12345678901234567890ULL;    /*  = 19+ decimal digits */
76
 
77
  /* Stop here and look!  */
78
  val.hex = val.bin - val.dec | val.oct;
79
 
80
  return 0;
81
}
82
 
83
int main() {
84
 
85
   /* Pack Byte, Half, Word and Giant arrays with byte-orderd values.
86
      That way "(gdb) x" gives the same output on different
87
      architectures.  */
88
   pack (b, 1, 2);
89
   pack (h, 2, 2);
90
   pack (w, 4, 2);
91
   pack (g, 8, 2);
92
   pack (c, sizeof (char), 2);
93
   pack (s, sizeof (short), 2);
94
   pack (i, sizeof (int), 2);
95
   pack (l, sizeof (long), 2);
96
   pack (ll, sizeof (long long), 2);
97
 
98
   known_types();
99
 
100
   return 0;
101
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.