* Makefile.in (VERSION): Roll to 4.6.8.

[deliverable/binutils-gdb.git] / gdb / tm-sun4os4.h

diff --git a/gdb/tm-sun4os4.h b/gdb/tm-sun4os4.h
index 6a5ad1932834a3f7c2ba1ca0c2dc6e785bfd3d9e..6fec9218e0c57dff58d15239d2331fcca125f4f5 100644 (file)
--- a/gdb/tm-sun4os4.h
+++ b/gdb/tm-sun4os4.h
@@ -1,5 +1,5 @@
 /* Macro definitions for GDB for a Sun 4 running sunos 4.
-   Copyright (C) 1989, Free Software Foundation, Inc.
+   Copyright (C) 1989, 1992 Free Software Foundation, Inc.
 
 This file is part of GDB.
 
@@ -22,3 +22,29 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 #undef STACK_END_ADDRESS
 #define STACK_END_ADDRESS 0xf8000000
+
+/* Offsets into jmp_buf.  Not defined by Sun, but at least documented in a
+   comment in <machine/setjmp.h>! */
+
+#define JB_ELEMENT_SIZE 4      /* Size of each element in jmp_buf */
+
+#define JB_ONSSTACK 0
+#define JB_SIGMASK 1
+#define JB_SP 2
+#define JB_PC 3
+#define JB_NPC 4
+#define JB_PSR 5
+#define JB_G1 6
+#define JB_O0 7
+#define JB_WBCNT 8
+
+/* Figure out where the longjmp will land.  We expect that we have just entered
+   longjmp and haven't yet setup the stack frame, so the args are still in the
+   output regs.  %o0 (O0_REGNUM) points at 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 */
+
+extern int
+get_longjmp_target PARAMS ((CORE_ADDR *));
+
+#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)