/* Definitions to make GDB run on a vax under 4.2bsd.
- Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc.
+ Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc.
This file is part of GDB.
#define NAMES_HAVE_UNDERSCORE
-/* Debugger information will be in DBX format. */
-
-#define READ_DBX_FORMAT
-
/* Offset from address of function to start of its code.
Zero on most machines. */
(its caller). */
/* FRAME_CHAIN takes a frame's nominal address
- 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. */
+ and produces the frame's chain-pointer. */
/* In the case of the Vax, the frame's nominal address is the FP value,
and 12 bytes later comes the saved previous FP value as a 4-byte word. */
#define FRAME_CHAIN(thisframe) \
- (outside_startup_file ((thisframe)->pc) ? \
+ (!inside_entry_file ((thisframe)->pc) ? \
read_memory_integer ((thisframe)->frame + 12, 4) :\
0)
-#define FRAME_CHAIN_VALID(chain, thisframe) \
- (chain != 0 && (outside_startup_file (FRAME_SAVED_PC (thisframe))))
-
-#define FRAME_CHAIN_COMBINE(chain, thisframe) (chain)
-
/* Define other aspects of the stack frame. */
/* A macro that tells us whether the function invocation represented