Merge to Cygnus 961112 + add some support (not ready) for shared libs

1 files changed, 46 insertions, 0 deletions

diff --git a/gnu/usr.bin/binutils/gdb/config/sparc/tm-spc-em.h b/gnu/usr.bin/binutils/gdb/config/sparc/tm-spc-em.h
new file mode 100644
index 00000000000..3a9b4572c53
--- /dev/null
+++ b/gnu/usr.bin/binutils/gdb/config/sparc/tm-spc-em.h
@@ -0,0 +1,46 @@
+/* Target machine definitions for GDB for an embedded SPARC.
+   Copyright 1989, 1992, 1993 Free Software Foundation, Inc.
+
+This file is part of GDB.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include "sparc/tm-sparc.h"
+
+/* 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)