m88k native support

[deliverable/binutils-gdb.git] / gdb / tm-tahoe.h

diff --git a/gdb/tm-tahoe.h b/gdb/tm-tahoe.h
index e20c7f9875a7e05d8995a62a20002190278dfc78..748316a9e87e40b9e472dd86330b178ef8096b50 100644 (file)
--- a/gdb/tm-tahoe.h
+++ b/gdb/tm-tahoe.h
@@ -1,5 +1,5 @@
 /* Definitions to make GDB target for a tahoe running 4.3-Reno.
-   Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc.
+   Copyright 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc.
 
 This file is part of GDB.
 
@@ -71,11 +71,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #define TARGET_UPAGES UPAGES
 #define TARGET_NBPG NBPG
 
-/* This is the amount to subtract from u.u_ar0
-   to get the offset in the core file of the register values.  */
-
-#define KERNEL_U_ADDR (0xc0000000 - (TARGET_UPAGES * TARGET_NBPG))
-
 /* Address of end of stack space.  */
 
 #define STACK_END_ADDR (0xc0000000 - (TARGET_UPAGES * TARGET_NBPG))
@@ -208,22 +203,16 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
    (its caller).
 
    FRAME_CHAIN takes a frame's nominal address
-   and produces the frame's chain-pointer.
-
-   However, if FRAME_CHAIN_VALID returns zero,
-   it means the given frame is the outermost one and has no caller.  */
+   and produces the frame's chain-pointer. */
 
 /* In the case of the Tahoe, the frame's nominal address is the FP value,
    and it points to the old FP */
 
 #define FRAME_CHAIN(thisframe)  \
-  (outside_startup_file ((thisframe)->pc) ? \
+  (!inside_entry_file ((thisframe)->pc) ? \
    read_memory_integer ((thisframe)->frame, 4) :\
    0)
 
-#define FRAME_CHAIN_VALID(chain, thisframe) \
-  (chain != 0 && (outside_startup_file (FRAME_SAVED_PC (thisframe))))
-
 /* Define other aspects of the stack frame.  */
 
 /* Saved PC */