Get struct return address from v0, not a0.
as a CORE_ADDR (or an expression that can be used as one). */
/* The address is passed in a0 upon entry to the function, but when
the function exits, the compiler has copied the value to v0. This
- seems to be a convention followed by both cc and gcc. */
+ convention is specified by the System V ABI, so I think we can rely
+ on it. */
#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
(extract_address (REGBUF + REGISTER_BYTE (V0_REGNUM), \