return bfin_register_name_strings[i];
}
-static void
+static enum register_status
bfin_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
int regnum, gdb_byte *buffer)
{
gdb_byte *buf = (gdb_byte *) alloca (MAX_REGISTER_SIZE);
+ enum register_status status;
if (regnum != BFIN_CC_REGNUM)
internal_error (__FILE__, __LINE__,
_("invalid register number %d"), regnum);
/* Extract the CC bit from the ASTAT register. */
- regcache_raw_read (regcache, BFIN_ASTAT_REGNUM, buf);
- buffer[1] = buffer[2] = buffer[3] = 0;
- buffer[0] = !!(buf[0] & ASTAT_CC);
+ status = regcache_raw_read (regcache, BFIN_ASTAT_REGNUM, buf);
+ if (status == REG_VALID)
+ {
+ buffer[1] = buffer[2] = buffer[3] = 0;
+ buffer[0] = !!(buf[0] & ASTAT_CC);
+ }
+ return status;
}
static void