/* Target machine description for VxWorks m68k's, for GDB, the GNU debugger.
- Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1996, 1998, 1999, 2000
+ Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1996, 1998, 1999, 2000,
+ 2002, 2003
Free Software Foundation, Inc.
Contributed by Cygnus Support.
#undef FRAME_CHAIN
#define FRAME_CHAIN(thisframe) ((thisframe)->frame? read_memory_integer ((thisframe)->frame, 4): 0)
-/* If the chain pointer is zero (either because the saved value fetched
- by FRAME_CHAIN was zero, or because the current FP was zero so FRAME_CHAIN
- never fetched anything), we are at the top of the stack. */
-/* We are guaranteed to have a zero frame pointer at bottom of stack, too. */
-
-#undef FRAME_CHAIN_VALID
-#define FRAME_CHAIN_VALID(chain, thisframe) nonnull_frame_chain_valid (chain, thisframe)
-
/* FIXME, Longjmp information stolen from Sun-3 config. Dunno if right. */
/* Offsets (in target ints) into jmp_buf. Not defined by Sun, but at least
documented in a comment in <machine/setjmp.h>! */