+/* Wrapper around REGCACHE->cooked_write. Places the LEN bytes of DATA
+ into a buffer that is at least as big as the register REGNUM, padding
+ out the DATA with either 0x00, or 0xff. For floating point registers
+ 0xff is used, for everyone else 0x00 is used. */
+
+static void
+riscv_regcache_cooked_write (int regnum, const gdb_byte *data, int len,
+ struct regcache *regcache, int flen)
+{
+ gdb_byte tmp [sizeof (ULONGEST)];
+
+ /* FP values in FP registers must be NaN-boxed. */
+ if (riscv_is_fp_regno_p (regnum) && len < flen)
+ memset (tmp, -1, sizeof (tmp));
+ else
+ memset (tmp, 0, sizeof (tmp));
+ memcpy (tmp, data, len);
+ regcache->cooked_write (regnum, tmp);
+}
+