/* FRAME_CHAIN takes a FRAME
and produces the frame's chain-pointer.
- FRAME_CHAIN_COMBINE takes the chain pointer and the frame's nominal address
- and produces the nominal address of the caller frame.
-
However, if FRAME_CHAIN_VALID returns zero,
- it means the given frame is the outermost one and has no caller.
- In that case, FRAME_CHAIN_COMBINE is not used. */
+ it means the given frame is the outermost one and has no caller. */
/* On the 29k, the nominal address of a frame is the address on the
register stack of the return address (the one next to the incoming
#define FRAME_CHAIN_VALID(chain, thisframe) \
(outside_startup_file (FRAME_SAVED_PC (thisframe)))
-#define FRAME_CHAIN_COMBINE(chain, thisframe) (0)
-
/* Define other aspects of the stack frame. */
/* A macro that tells us whether the function invocation represented