/*
Version Control
- $Id: gen.c,v 1.59 2011/03/31 23:50:24 tom Exp $
+ $Id: gen.c,v 1.60 2011/04/30 19:47:19 Nicolas.Boulenguez Exp $
--------------------------------------------------------------------------*/
/*
This program generates various record structures and constants from the
int len, /* size of the record in bytes */
int bias)
{
- const char *unused_name = "Unused";
- int long_bits = (8 * (int)sizeof(unsigned long));
- int len_bits = (8 * len);
- int i, j, n, l, cnt = 0, low, high;
+ const int len_bits = (8 * len);
+ int i, l, low, high;
int width = strlen(RES_NAME) + 3;
unsigned long a;
- unsigned long mask = 0;
assert(nap != NULL);
for (i = 0; nap[i].name != (char *)0; i++)
{
- cnt++;
l = (int)strlen(nap[i].name);
if (l > width)
width = l;
printf(" record\n");
for (i = 0; nap[i].name != (char *)0; i++)
{
- mask |= nap[i].attr;
printf(" %-*s : Boolean;\n", width, nap[i].name);
}
-
- /*
- * Compute a mask for the unused bits in this target.
- */
- mask = ~mask;
- /*
- * Bits in the biased area are unused by the target.
- */
- for (j = 0; j < bias; ++j)
- {
- mask &= (unsigned long)(~(1L << j));
- }
- /*
- * Bits past the target's size are really unused.
- */
- for (j = len_bits + bias; j < long_bits; ++j)
- {
- mask &= (unsigned long)(~(1L << j));
- }
- if (mask != 0)
- {
- printf(" %-*s : Boolean;\n", width, unused_name);
- }
printf(" end record;\n");
printf(" pragma Convention (C, %s);\n\n", name);
printf(" %-*s at 0 range %2d .. %2d;\n", width, nap[i].name,
low - bias, high - bias);
}
- if (mask != 0)
- {
- l = find_pos((char *)&mask, sizeof(mask), &low, &high);
- if (l >= 0)
- printf(" %-*s at 0 range %2d .. %2d;\n", width, unused_name,
- low - bias, high - bias);
- }
- i = 1;
- n = cnt;
printf(" end record;\n");
+ printf(" pragma Warnings (Off);");
printf(" for %s'Size use %d;\n", name, len_bits);
+ printf(" pragma Warnings (On);\n");
printf(" -- Please note: this rep. clause is generated and may be\n");
printf(" -- different on your system.");
}