* procfs.c (proc_wait): Call print_sys_errmsg() if we get an

[deliverable/binutils-gdb.git] / gdb / tm-vx68.h

diff --git a/gdb/tm-vx68.h b/gdb/tm-vx68.h
index 81122fc39520bd6aa3b110d0b91f7ae593ab2752..bafbf28c04c688053e9e4f9449bd901c5aa7495c 100644 (file)
--- a/gdb/tm-vx68.h
+++ b/gdb/tm-vx68.h
@@ -1,5 +1,5 @@
-/* Parameters for execution on VxWorks 68k's, for GDB, the GNU debugger.
-   Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc.
+/* Target machine description for VxWorks 68k's, for GDB, the GNU debugger.
+   Copyright 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc.
    Contributed by Cygnus Support.
 
 This file is part of GDB.
@@ -22,17 +22,18 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 #define        DEFAULT_PROMPT          "(vxgdb) "
 
-/* Kludge... */
-#include "tm-sun3.h"
-
-#undef SAVED_PC_AFTER_CALL
-#define SAVED_PC_AFTER_CALL(frame) \
-       read_memory_integer (read_register (SP_REGNUM), 4)
+#define HAVE_68881
 
 /* We have more complex, useful breakpoints on the target.  */
-#undef DECR_PC_AFTER_BREAK
 #define        DECR_PC_AFTER_BREAK     0
 
+#include "tm-68k.h"
+
+/* Define this if the C compiler puts an underscore at the front
+   of external names before giving them to the linker.  */
+
+#define NAMES_HAVE_UNDERSCORE
+
 /* We are guaranteed to have a zero frame pointer at bottom of stack, too. */
 #undef FRAME_CHAIN
 #undef FRAME_CHAIN_VALID
@@ -50,3 +51,33 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
    never fetched anything), we are at the top of the stack.  */
 
 #define FRAME_CHAIN_VALID(chain, thisframe) (chain != 0)
+
+/* 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>! */
+
+#define JB_ELEMENT_SIZE 4
+
+#define JB_ONSSTACK 0
+#define JB_SIGMASK 1
+#define JB_SP 2
+#define JB_PC 3
+#define JB_PSL 4
+#define JB_D2 5
+#define JB_D3 6
+#define JB_D4 7
+#define JB_D5 8
+#define JB_D6 9
+#define JB_D7 10
+#define JB_A2 11
+#define JB_A3 12
+#define JB_A4 13
+#define JB_A5 14
+#define JB_A6 15
+
+/* Figure out where the longjmp will land.  Slurp the args out of the stack.
+   We expect the first arg to be a pointer to the jmp_buf structure from which
+   we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
+   This routine returns true on success */
+
+#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)