void FramePool::mark_inaccessible(unsigned long _base_frame_no,
unsigned long _nframes)
{
int i;
for (i = _base_frame_no; i < _base_frame_no + _nframes; i++) {
set_nth_bit(frame_vacancy_bitmap, i);
}
}
size_t
readtoken (FILE *stream,
const char *delim,
size_t n_delim,
token_buffer *tokenbuffer)
{
char *p;
int c;
size_t i, n;
word isdelim[(UCHAR_MAX + bits_per_word) / bits_per_word];
memset (isdelim, 0, sizeof isdelim);
for (i = 0; i < n_delim; i++)
{
unsigned char ch = delim[i];
set_nth_bit (ch, isdelim);
}
/* skip over any leading delimiters */
for (c = getc (stream); c >= 0 && get_nth_bit (c, isdelim); c = getc (stream))
{
/* empty */
}
p = tokenbuffer->buffer;
n = tokenbuffer->size;
i = 0;
for (;;)
{
if (c < 0 && i == 0)
return -1;
if (i == n)
p = x2nrealloc (p, &n, sizeof *p);
if (c < 0)
{
p[i] = 0;
break;
}
if (get_nth_bit (c, isdelim))
{
p[i] = 0;
break;
}
p[i++] = c;
c = getc (stream);
}
tokenbuffer->buffer = p;
tokenbuffer->size = n;
return i;
}
unsigned long FramePool::get_frame() {
// Allocate an available frame from the the bitmap,
// If successful, return its frame number. Otherwise return 0
// printf("BEGIN: FramePool searching for an available frame\n");
unsigned long i;
for (i = 0; i < num_frames; i++) {
if (get_nth_bit(frame_vacancy_bitmap, i) == 0) {
set_nth_bit(frame_vacancy_bitmap, i);
// printf("SUCCESS: FramePool found vacancy at frame <#%lu>\n", i);
return i;
}
}
Console::puts("ERROR: FramePool could not find a vacant frame\n");
return 0;
}
void ciMethodData::set_arg_returned(int i) {
set_nth_bit(_arg_returned, i);
}
void ciMethodData::set_arg_stack(int i) {
set_nth_bit(_arg_stack, i);
}
void ciMethodData::set_arg_local(int i) {
set_nth_bit(_arg_local, i);
}
