diff options
Diffstat (limited to 'gdb/config/m68k/tm-vx68.h')
| -rw-r--r-- | gdb/config/m68k/tm-vx68.h | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/gdb/config/m68k/tm-vx68.h b/gdb/config/m68k/tm-vx68.h index a194b94..e601bda 100644 --- a/gdb/config/m68k/tm-vx68.h +++ b/gdb/config/m68k/tm-vx68.h @@ -33,23 +33,22 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "m68k/tm-m68k.h" -/* We are guaranteed to have a zero frame pointer at bottom of stack, too. */ -#undef FRAME_CHAIN -#undef FRAME_CHAIN_VALID - /* Takes the current frame-struct pointer and returns the chain-pointer to get to the calling frame. If our current frame pointer is zero, we're at the top; else read out the saved FP from memory pointed to by the current FP. */ +#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. */ -#define FRAME_CHAIN_VALID(chain, thisframe) (chain != 0) +#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 |