+/* This test script is part of GDB, the GNU debugger.
+
+ Copyright 1999-2016 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
/* Test long long expression; test printing in general.
*
* /CLO/BUILD_ENV/Exports/cc -g +e -o long_long long_long.c
* cc +e +DA2.0 -g -o long_long long_long.c
*/
-long long callee( i )
-long long i;
-{
- register long long result;
+#include <string.h>
- result = 0x12345678;
- result = result << i;
- result += 0x9abcdef0;
+enum { MAX_BYTES = 16 };
- return result;
+void
+pack (unsigned char b[MAX_BYTES], int size, int nr)
+{
+ static long long val[] = { 0x123456789abcdefLL, 01234567123456701234567LL, 12345678901234567890ULL};
+ volatile static int e = 1;
+ int i;
+ for (i = 0; i < nr; i++)
+ {
+ int offset;
+ if (*(char *)&e)
+ /* Little endian. */
+ offset = sizeof (long long) - size;
+ else
+ /* Big endian endian. */
+ offset = 0;
+ memcpy (b + size * i, (char *) val + sizeof (long long) * i + offset, size);
+ }
}
+unsigned char b[MAX_BYTES];
+unsigned char h[MAX_BYTES];
+unsigned char w[MAX_BYTES];
+unsigned char g[MAX_BYTES];
+
+unsigned char c[MAX_BYTES];
+unsigned char s[MAX_BYTES];
+unsigned char i[MAX_BYTES];
+unsigned char l[MAX_BYTES];
+unsigned char ll[MAX_BYTES];
+
int known_types()
{
- long long bin = 0, oct = 0, dec = 0, hex = 0;
+ /* A union is used here as, hopefully it has well defined packing
+ rules. */
+ struct {
+ long long bin, oct, dec, hex;
+ } val;
+ memset (&val, 0, sizeof val);
- /* Known values, filling the full 64 bits.
- */
- bin = 0x123456789abcdefLL; /* 64 bits = 16 hex digits */
- oct = 01234567123456701234567LL; /* = 21+ octal digits */
- dec = 12345678901234567890LL; /* = 19+ decimal digits */
+ /* Known values, filling the full 64 bits. */
+ val.bin = 0x123456789abcdefLL; /* 64 bits = 16 hex digits */
+ val.oct = 01234567123456701234567LL; /* = 21+ octal digits */
+ val.dec = 12345678901234567890ULL; /* = 19+ decimal digits */
- /* Stop here and look!
- */
- hex = bin - dec | oct;
+ /* Stop here and look! */
+ val.hex = val.bin - val.dec | val.oct;
+
+ return 0;
}
int main() {
- register long long x, y;
- register long long i;
-
- x = (long long) 0xfedcba9876543210LL;
- y = x++;
- x +=y;
- i = 11;
- x = callee( i );
- y += x;
+ /* Pack Byte, Half, Word and Giant arrays with byte-orderd values.
+ That way "(gdb) x" gives the same output on different
+ architectures. */
+ pack (b, 1, 2);
+ pack (h, 2, 2);
+ pack (w, 4, 2);
+ pack (g, 8, 2);
+ pack (c, sizeof (char), 2);
+ pack (s, sizeof (short), 2);
+ pack (i, sizeof (int), 2);
+ pack (l, sizeof (long), 2);
+ pack (ll, sizeof (long long), 2);
known_types();
return 0;
}
-
-
-